2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
6 * Copyright 2015-2017 Intel Deutschland GmbH
10 #include <linux/module.h>
11 #include <linux/err.h>
12 #include <linux/slab.h>
13 #include <linux/list.h>
14 #include <linux/if_ether.h>
15 #include <linux/ieee80211.h>
16 #include <linux/nl80211.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/netlink.h>
19 #include <linux/etherdevice.h>
20 #include <net/net_namespace.h>
21 #include <net/genetlink.h>
22 #include <net/cfg80211.h>
24 #include <net/inet_connection_sock.h>
30 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
31 struct genl_info
*info
,
32 struct cfg80211_crypto_settings
*settings
,
35 /* the netlink family */
36 static struct genl_family nl80211_fam
;
38 /* multicast groups */
39 enum nl80211_multicast_groups
{
42 NL80211_MCGRP_REGULATORY
,
46 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
49 static const struct genl_multicast_group nl80211_mcgrps
[] = {
50 [NL80211_MCGRP_CONFIG
] = { .name
= NL80211_MULTICAST_GROUP_CONFIG
},
51 [NL80211_MCGRP_SCAN
] = { .name
= NL80211_MULTICAST_GROUP_SCAN
},
52 [NL80211_MCGRP_REGULATORY
] = { .name
= NL80211_MULTICAST_GROUP_REG
},
53 [NL80211_MCGRP_MLME
] = { .name
= NL80211_MULTICAST_GROUP_MLME
},
54 [NL80211_MCGRP_VENDOR
] = { .name
= NL80211_MULTICAST_GROUP_VENDOR
},
55 [NL80211_MCGRP_NAN
] = { .name
= NL80211_MULTICAST_GROUP_NAN
},
56 #ifdef CONFIG_NL80211_TESTMODE
57 [NL80211_MCGRP_TESTMODE
] = { .name
= NL80211_MULTICAST_GROUP_TESTMODE
}
61 /* returns ERR_PTR values */
62 static struct wireless_dev
*
63 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
65 struct cfg80211_registered_device
*rdev
;
66 struct wireless_dev
*result
= NULL
;
67 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
68 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
75 if (!have_ifidx
&& !have_wdev_id
)
76 return ERR_PTR(-EINVAL
);
79 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
81 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
82 wiphy_idx
= wdev_id
>> 32;
85 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
86 struct wireless_dev
*wdev
;
88 if (wiphy_net(&rdev
->wiphy
) != netns
)
91 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
94 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
95 if (have_ifidx
&& wdev
->netdev
&&
96 wdev
->netdev
->ifindex
== ifidx
) {
100 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
112 return ERR_PTR(-ENODEV
);
115 static struct cfg80211_registered_device
*
116 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
118 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
119 struct net_device
*netdev
;
123 if (!attrs
[NL80211_ATTR_WIPHY
] &&
124 !attrs
[NL80211_ATTR_IFINDEX
] &&
125 !attrs
[NL80211_ATTR_WDEV
])
126 return ERR_PTR(-EINVAL
);
128 if (attrs
[NL80211_ATTR_WIPHY
])
129 rdev
= cfg80211_rdev_by_wiphy_idx(
130 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
132 if (attrs
[NL80211_ATTR_WDEV
]) {
133 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
134 struct wireless_dev
*wdev
;
137 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
139 /* make sure wdev exists */
140 list_for_each_entry(wdev
, &tmp
->wiphy
.wdev_list
, list
) {
141 if (wdev
->identifier
!= (u32
)wdev_id
)
150 if (rdev
&& tmp
!= rdev
)
151 return ERR_PTR(-EINVAL
);
156 if (attrs
[NL80211_ATTR_IFINDEX
]) {
157 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
159 netdev
= __dev_get_by_index(netns
, ifindex
);
161 if (netdev
->ieee80211_ptr
)
163 netdev
->ieee80211_ptr
->wiphy
);
167 /* not wireless device -- return error */
169 return ERR_PTR(-EINVAL
);
171 /* mismatch -- return error */
172 if (rdev
&& tmp
!= rdev
)
173 return ERR_PTR(-EINVAL
);
180 return ERR_PTR(-ENODEV
);
182 if (netns
!= wiphy_net(&rdev
->wiphy
))
183 return ERR_PTR(-ENODEV
);
189 * This function returns a pointer to the driver
190 * that the genl_info item that is passed refers to.
192 * The result of this can be a PTR_ERR and hence must
193 * be checked with IS_ERR() for errors.
195 static struct cfg80211_registered_device
*
196 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
198 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
201 /* policy for the attributes */
202 static const struct nla_policy nl80211_policy
[NUM_NL80211_ATTR
] = {
203 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
204 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
206 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
208 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
209 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
210 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
211 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
212 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
214 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
215 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
216 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
217 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
218 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
219 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
221 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
225 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
226 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
228 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
229 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
230 .len
= WLAN_MAX_KEY_LEN
},
231 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
232 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
233 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
234 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
235 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
237 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
238 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
239 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
240 .len
= IEEE80211_MAX_DATA_LEN
},
241 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
242 .len
= IEEE80211_MAX_DATA_LEN
},
243 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
244 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
245 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
246 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
247 .len
= NL80211_MAX_SUPP_RATES
},
248 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
249 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
250 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
251 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
252 .len
= IEEE80211_MAX_MESH_ID_LEN
},
253 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
255 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
256 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
258 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
259 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
260 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
261 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
262 .len
= NL80211_MAX_SUPP_RATES
},
263 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
265 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
266 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
268 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
270 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
271 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
272 .len
= IEEE80211_MAX_DATA_LEN
},
273 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
274 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
276 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
277 .len
= IEEE80211_MAX_SSID_LEN
},
278 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
279 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
280 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
281 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
282 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
283 [NL80211_ATTR_STA_FLAGS2
] = {
284 .len
= sizeof(struct nl80211_sta_flag_update
),
286 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
287 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
288 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
289 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
290 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
291 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
292 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
293 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
294 [NL80211_ATTR_PMKID
] = { .len
= WLAN_PMKID_LEN
},
295 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
296 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
297 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
298 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
299 .len
= IEEE80211_MAX_DATA_LEN
},
300 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
301 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
302 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
303 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
304 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
305 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
306 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
307 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
308 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
309 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
310 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
311 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
312 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
313 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
314 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
315 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
316 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
317 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
318 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
319 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
320 .len
= IEEE80211_MAX_DATA_LEN
},
321 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
322 .len
= IEEE80211_MAX_DATA_LEN
},
323 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
324 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
325 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
326 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
327 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
328 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
329 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
330 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
331 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
332 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
333 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
334 .len
= IEEE80211_MAX_DATA_LEN
},
335 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
336 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
337 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
338 .len
= NL80211_HT_CAPABILITY_LEN
340 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
341 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
342 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
343 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
344 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
345 [NL80211_ATTR_AUTH_DATA
] = { .type
= NLA_BINARY
, },
346 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
347 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
348 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
349 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
350 [NL80211_ATTR_LOCAL_MESH_POWER_MODE
] = {. type
= NLA_U32
},
351 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
352 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
353 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
355 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
356 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
357 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
358 .len
= NL80211_VHT_CAPABILITY_LEN
,
360 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
361 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
362 .len
= IEEE80211_MAX_DATA_LEN
},
363 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
364 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
365 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
366 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
367 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
368 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
369 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
370 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
371 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
372 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
373 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
374 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
375 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
376 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
377 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
378 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
379 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
380 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
381 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
382 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
383 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
384 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
385 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
386 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
387 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
388 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
389 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG
] = { .type
= NLA_FLAG
},
390 [NL80211_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
391 [NL80211_ATTR_SCHED_SCAN_DELAY
] = { .type
= NLA_U32
},
392 [NL80211_ATTR_REG_INDOOR
] = { .type
= NLA_FLAG
},
393 [NL80211_ATTR_PBSS
] = { .type
= NLA_FLAG
},
394 [NL80211_ATTR_BSS_SELECT
] = { .type
= NLA_NESTED
},
395 [NL80211_ATTR_STA_SUPPORT_P2P_PS
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_MU_MIMO_GROUP_DATA
] = {
397 .len
= VHT_MUMIMO_GROUPS_DATA_LEN
399 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
] = { .len
= ETH_ALEN
},
400 [NL80211_ATTR_NAN_MASTER_PREF
] = { .type
= NLA_U8
},
401 [NL80211_ATTR_BANDS
] = { .type
= NLA_U32
},
402 [NL80211_ATTR_NAN_FUNC
] = { .type
= NLA_NESTED
},
403 [NL80211_ATTR_FILS_KEK
] = { .type
= NLA_BINARY
,
404 .len
= FILS_MAX_KEK_LEN
},
405 [NL80211_ATTR_FILS_NONCES
] = { .len
= 2 * FILS_NONCE_LEN
},
406 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
] = { .type
= NLA_FLAG
, },
407 [NL80211_ATTR_BSSID
] = { .len
= ETH_ALEN
},
408 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] = { .type
= NLA_S8
},
409 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
] = {
410 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
412 [NL80211_ATTR_TIMEOUT_REASON
] = { .type
= NLA_U32
},
413 [NL80211_ATTR_FILS_ERP_USERNAME
] = { .type
= NLA_BINARY
,
414 .len
= FILS_ERP_MAX_USERNAME_LEN
},
415 [NL80211_ATTR_FILS_ERP_REALM
] = { .type
= NLA_BINARY
,
416 .len
= FILS_ERP_MAX_REALM_LEN
},
417 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] = { .type
= NLA_U16
},
418 [NL80211_ATTR_FILS_ERP_RRK
] = { .type
= NLA_BINARY
,
419 .len
= FILS_ERP_MAX_RRK_LEN
},
420 [NL80211_ATTR_FILS_CACHE_ID
] = { .len
= 2 },
421 [NL80211_ATTR_PMK
] = { .type
= NLA_BINARY
, .len
= PMK_MAX_LEN
},
422 [NL80211_ATTR_SCHED_SCAN_MULTI
] = { .type
= NLA_FLAG
},
425 /* policy for the key attributes */
426 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
427 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
428 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
429 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
430 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
431 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
432 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
433 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
434 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
437 /* policy for the key default flags */
438 static const struct nla_policy
439 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
440 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
441 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
445 /* policy for WoWLAN attributes */
446 static const struct nla_policy
447 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
448 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
449 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
450 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
451 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
452 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
453 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
454 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
455 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
456 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
457 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
460 static const struct nla_policy
461 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
462 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
463 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
464 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
465 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
466 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
467 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
468 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
469 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
471 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
472 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
474 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
475 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
476 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
478 #endif /* CONFIG_PM */
480 /* policy for coalesce rule attributes */
481 static const struct nla_policy
482 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
483 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
484 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
485 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
488 /* policy for GTK rekey offload attributes */
489 static const struct nla_policy
490 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
491 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
492 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
493 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
496 static const struct nla_policy
497 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
498 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
499 .len
= IEEE80211_MAX_SSID_LEN
},
500 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
] = { .len
= ETH_ALEN
},
501 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
504 static const struct nla_policy
505 nl80211_plan_policy
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1] = {
506 [NL80211_SCHED_SCAN_PLAN_INTERVAL
] = { .type
= NLA_U32
},
507 [NL80211_SCHED_SCAN_PLAN_ITERATIONS
] = { .type
= NLA_U32
},
510 static const struct nla_policy
511 nl80211_bss_select_policy
[NL80211_BSS_SELECT_ATTR_MAX
+ 1] = {
512 [NL80211_BSS_SELECT_ATTR_RSSI
] = { .type
= NLA_FLAG
},
513 [NL80211_BSS_SELECT_ATTR_BAND_PREF
] = { .type
= NLA_U32
},
514 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
] = {
515 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
519 /* policy for NAN function attributes */
520 static const struct nla_policy
521 nl80211_nan_func_policy
[NL80211_NAN_FUNC_ATTR_MAX
+ 1] = {
522 [NL80211_NAN_FUNC_TYPE
] = { .type
= NLA_U8
},
523 [NL80211_NAN_FUNC_SERVICE_ID
] = {
524 .len
= NL80211_NAN_FUNC_SERVICE_ID_LEN
},
525 [NL80211_NAN_FUNC_PUBLISH_TYPE
] = { .type
= NLA_U8
},
526 [NL80211_NAN_FUNC_PUBLISH_BCAST
] = { .type
= NLA_FLAG
},
527 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
] = { .type
= NLA_FLAG
},
528 [NL80211_NAN_FUNC_FOLLOW_UP_ID
] = { .type
= NLA_U8
},
529 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
] = { .type
= NLA_U8
},
530 [NL80211_NAN_FUNC_FOLLOW_UP_DEST
] = { .len
= ETH_ALEN
},
531 [NL80211_NAN_FUNC_CLOSE_RANGE
] = { .type
= NLA_FLAG
},
532 [NL80211_NAN_FUNC_TTL
] = { .type
= NLA_U32
},
533 [NL80211_NAN_FUNC_SERVICE_INFO
] = { .type
= NLA_BINARY
,
534 .len
= NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN
},
535 [NL80211_NAN_FUNC_SRF
] = { .type
= NLA_NESTED
},
536 [NL80211_NAN_FUNC_RX_MATCH_FILTER
] = { .type
= NLA_NESTED
},
537 [NL80211_NAN_FUNC_TX_MATCH_FILTER
] = { .type
= NLA_NESTED
},
538 [NL80211_NAN_FUNC_INSTANCE_ID
] = { .type
= NLA_U8
},
539 [NL80211_NAN_FUNC_TERM_REASON
] = { .type
= NLA_U8
},
542 /* policy for Service Response Filter attributes */
543 static const struct nla_policy
544 nl80211_nan_srf_policy
[NL80211_NAN_SRF_ATTR_MAX
+ 1] = {
545 [NL80211_NAN_SRF_INCLUDE
] = { .type
= NLA_FLAG
},
546 [NL80211_NAN_SRF_BF
] = { .type
= NLA_BINARY
,
547 .len
= NL80211_NAN_FUNC_SRF_MAX_LEN
},
548 [NL80211_NAN_SRF_BF_IDX
] = { .type
= NLA_U8
},
549 [NL80211_NAN_SRF_MAC_ADDRS
] = { .type
= NLA_NESTED
},
552 /* policy for packet pattern attributes */
553 static const struct nla_policy
554 nl80211_packet_pattern_policy
[MAX_NL80211_PKTPAT
+ 1] = {
555 [NL80211_PKTPAT_MASK
] = { .type
= NLA_BINARY
, },
556 [NL80211_PKTPAT_PATTERN
] = { .type
= NLA_BINARY
, },
557 [NL80211_PKTPAT_OFFSET
] = { .type
= NLA_U32
},
560 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
561 struct netlink_callback
*cb
,
562 struct cfg80211_registered_device
**rdev
,
563 struct wireless_dev
**wdev
)
568 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
569 genl_family_attrbuf(&nl80211_fam
),
570 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
574 *wdev
= __cfg80211_wdev_from_attrs(
576 genl_family_attrbuf(&nl80211_fam
));
578 return PTR_ERR(*wdev
);
579 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
580 /* 0 is the first index - add 1 to parse only once */
581 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
582 cb
->args
[1] = (*wdev
)->identifier
;
584 /* subtract the 1 again here */
585 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
586 struct wireless_dev
*tmp
;
590 *rdev
= wiphy_to_rdev(wiphy
);
593 list_for_each_entry(tmp
, &(*rdev
)->wiphy
.wdev_list
, list
) {
594 if (tmp
->identifier
== cb
->args
[1]) {
608 static bool is_valid_ie_attr(const struct nlattr
*attr
)
616 pos
= nla_data(attr
);
637 /* message building helper */
638 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
641 /* since there is no private header just add the generic one */
642 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
645 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
646 struct ieee80211_channel
*chan
,
649 /* Some channels must be completely excluded from the
650 * list to protect old user-space tools from breaking
652 if (!large
&& chan
->flags
&
653 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
656 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
658 goto nla_put_failure
;
660 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
661 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
662 goto nla_put_failure
;
663 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
664 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
665 goto nla_put_failure
;
666 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
667 goto nla_put_failure
;
669 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
670 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
671 goto nla_put_failure
;
675 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
677 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
679 goto nla_put_failure
;
680 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
682 goto nla_put_failure
;
684 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
686 goto nla_put_failure
;
691 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
692 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
693 goto nla_put_failure
;
694 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
695 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
696 goto nla_put_failure
;
697 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
698 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
699 goto nla_put_failure
;
700 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
701 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
702 goto nla_put_failure
;
703 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
704 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
705 goto nla_put_failure
;
706 if ((chan
->flags
& IEEE80211_CHAN_IR_CONCURRENT
) &&
707 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_IR_CONCURRENT
))
708 goto nla_put_failure
;
709 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
710 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
711 goto nla_put_failure
;
712 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
713 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
714 goto nla_put_failure
;
717 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
718 DBM_TO_MBM(chan
->max_power
)))
719 goto nla_put_failure
;
727 /* netlink command implementations */
734 bool def_uni
, def_multi
;
737 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
739 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
740 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
741 nl80211_key_policy
, NULL
);
745 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
746 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
755 if (tb
[NL80211_KEY_IDX
])
756 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
758 if (tb
[NL80211_KEY_DATA
]) {
759 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
760 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
763 if (tb
[NL80211_KEY_SEQ
]) {
764 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
765 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
768 if (tb
[NL80211_KEY_CIPHER
])
769 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
771 if (tb
[NL80211_KEY_TYPE
]) {
772 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
773 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
777 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
778 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
780 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
781 tb
[NL80211_KEY_DEFAULT_TYPES
],
782 nl80211_key_default_policy
, NULL
);
786 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
787 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
793 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
795 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
796 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
797 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
800 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
801 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
802 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
805 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
806 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
808 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
809 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
811 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
812 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
821 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
822 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
823 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
827 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
828 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
829 int err
= nla_parse_nested(kdt
,
830 NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
831 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
832 nl80211_key_default_policy
,
837 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
838 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
844 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
848 memset(k
, 0, sizeof(*k
));
852 if (info
->attrs
[NL80211_ATTR_KEY
])
853 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
855 err
= nl80211_parse_key_old(info
, k
);
860 if (k
->def
&& k
->defmgmt
)
864 if (k
->def_uni
|| !k
->def_multi
)
870 if (k
->idx
< 4 || k
->idx
> 5)
873 if (k
->idx
< 0 || k
->idx
> 3)
876 if (k
->idx
< 0 || k
->idx
> 5)
884 static struct cfg80211_cached_keys
*
885 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
886 struct nlattr
*keys
, bool *no_ht
)
888 struct key_parse parse
;
890 struct cfg80211_cached_keys
*result
;
891 int rem
, err
, def
= 0;
892 bool have_key
= false;
894 nla_for_each_nested(key
, keys
, rem
) {
902 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
904 return ERR_PTR(-ENOMEM
);
908 nla_for_each_nested(key
, keys
, rem
) {
909 memset(&parse
, 0, sizeof(parse
));
912 err
= nl80211_parse_key_new(key
, &parse
);
918 if (parse
.idx
< 0 || parse
.idx
> 3)
924 result
->def
= parse
.idx
;
925 if (!parse
.def_uni
|| !parse
.def_multi
)
927 } else if (parse
.defmgmt
)
929 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
930 parse
.idx
, false, NULL
);
933 if (parse
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
&&
934 parse
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
) {
938 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
939 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
940 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
941 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
943 /* must be WEP key if we got here */
948 if (result
->def
< 0) {
959 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
961 ASSERT_WDEV_LOCK(wdev
);
963 switch (wdev
->iftype
) {
964 case NL80211_IFTYPE_AP
:
965 case NL80211_IFTYPE_AP_VLAN
:
966 case NL80211_IFTYPE_P2P_GO
:
967 case NL80211_IFTYPE_MESH_POINT
:
969 case NL80211_IFTYPE_ADHOC
:
970 case NL80211_IFTYPE_STATION
:
971 case NL80211_IFTYPE_P2P_CLIENT
:
972 if (!wdev
->current_bss
)
975 case NL80211_IFTYPE_UNSPECIFIED
:
976 case NL80211_IFTYPE_OCB
:
977 case NL80211_IFTYPE_MONITOR
:
978 case NL80211_IFTYPE_NAN
:
979 case NL80211_IFTYPE_P2P_DEVICE
:
980 case NL80211_IFTYPE_WDS
:
981 case NUM_NL80211_IFTYPES
:
988 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
991 struct ieee80211_channel
*chan
;
995 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
996 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
1001 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
1003 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
1007 goto nla_put_failure
;
1011 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
1012 goto nla_put_failure
;
1017 nla_nest_end(msg
, nl_modes
);
1024 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
1025 struct sk_buff
*msg
,
1028 struct nlattr
*nl_combis
;
1031 nl_combis
= nla_nest_start(msg
,
1032 NL80211_ATTR_INTERFACE_COMBINATIONS
);
1034 goto nla_put_failure
;
1036 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
1037 const struct ieee80211_iface_combination
*c
;
1038 struct nlattr
*nl_combi
, *nl_limits
;
1040 c
= &wiphy
->iface_combinations
[i
];
1042 nl_combi
= nla_nest_start(msg
, i
+ 1);
1044 goto nla_put_failure
;
1046 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
1048 goto nla_put_failure
;
1050 for (j
= 0; j
< c
->n_limits
; j
++) {
1051 struct nlattr
*nl_limit
;
1053 nl_limit
= nla_nest_start(msg
, j
+ 1);
1055 goto nla_put_failure
;
1056 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
1058 goto nla_put_failure
;
1059 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
1060 c
->limits
[j
].types
))
1061 goto nla_put_failure
;
1062 nla_nest_end(msg
, nl_limit
);
1065 nla_nest_end(msg
, nl_limits
);
1067 if (c
->beacon_int_infra_match
&&
1068 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
1069 goto nla_put_failure
;
1070 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
1071 c
->num_different_channels
) ||
1072 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
1074 goto nla_put_failure
;
1076 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
1077 c
->radar_detect_widths
) ||
1078 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
1079 c
->radar_detect_regions
)))
1080 goto nla_put_failure
;
1081 if (c
->beacon_int_min_gcd
&&
1082 nla_put_u32(msg
, NL80211_IFACE_COMB_BI_MIN_GCD
,
1083 c
->beacon_int_min_gcd
))
1084 goto nla_put_failure
;
1086 nla_nest_end(msg
, nl_combi
);
1089 nla_nest_end(msg
, nl_combis
);
1097 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1098 struct sk_buff
*msg
)
1100 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1101 struct nlattr
*nl_tcp
;
1106 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1110 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1111 tcp
->data_payload_max
))
1114 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1115 tcp
->data_payload_max
))
1118 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1121 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1122 sizeof(*tcp
->tok
), tcp
->tok
))
1125 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1126 tcp
->data_interval_max
))
1129 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1130 tcp
->wake_payload_max
))
1133 nla_nest_end(msg
, nl_tcp
);
1137 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1138 struct cfg80211_registered_device
*rdev
,
1141 struct nlattr
*nl_wowlan
;
1143 if (!rdev
->wiphy
.wowlan
)
1146 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1150 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1151 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1152 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1153 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1154 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1155 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1156 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1157 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1158 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1159 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1160 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1161 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1162 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1163 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1164 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1165 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1168 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1169 struct nl80211_pattern_support pat
= {
1170 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1171 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1172 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1173 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1176 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1181 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1182 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1183 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1186 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1189 nla_nest_end(msg
, nl_wowlan
);
1195 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1196 struct cfg80211_registered_device
*rdev
)
1198 struct nl80211_coalesce_rule_support rule
;
1200 if (!rdev
->wiphy
.coalesce
)
1203 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1204 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1205 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1206 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1207 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1208 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1210 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1216 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1217 struct ieee80211_supported_band
*sband
)
1219 struct nlattr
*nl_rates
, *nl_rate
;
1220 struct ieee80211_rate
*rate
;
1224 if (sband
->ht_cap
.ht_supported
&&
1225 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1226 sizeof(sband
->ht_cap
.mcs
),
1227 &sband
->ht_cap
.mcs
) ||
1228 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1229 sband
->ht_cap
.cap
) ||
1230 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1231 sband
->ht_cap
.ampdu_factor
) ||
1232 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1233 sband
->ht_cap
.ampdu_density
)))
1237 if (sband
->vht_cap
.vht_supported
&&
1238 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1239 sizeof(sband
->vht_cap
.vht_mcs
),
1240 &sband
->vht_cap
.vht_mcs
) ||
1241 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1242 sband
->vht_cap
.cap
)))
1246 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1250 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1251 nl_rate
= nla_nest_start(msg
, i
);
1255 rate
= &sband
->bitrates
[i
];
1256 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1259 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1261 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1264 nla_nest_end(msg
, nl_rate
);
1267 nla_nest_end(msg
, nl_rates
);
1273 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1274 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1277 struct nlattr
*nl_ftypes
, *nl_ifs
;
1278 enum nl80211_iftype ift
;
1284 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1288 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1289 nl_ftypes
= nla_nest_start(msg
, ift
);
1293 stypes
= mgmt_stypes
[ift
].tx
;
1296 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1297 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1302 nla_nest_end(msg
, nl_ftypes
);
1305 nla_nest_end(msg
, nl_ifs
);
1307 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1311 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1312 nl_ftypes
= nla_nest_start(msg
, ift
);
1316 stypes
= mgmt_stypes
[ift
].rx
;
1319 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1320 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1325 nla_nest_end(msg
, nl_ftypes
);
1327 nla_nest_end(msg
, nl_ifs
);
1332 #define CMD(op, n) \
1334 if (rdev->ops->op) { \
1336 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1337 goto nla_put_failure; \
1341 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device
*rdev
,
1342 struct sk_buff
*msg
)
1347 * do *NOT* add anything into this function, new things need to be
1348 * advertised only to new versions of userspace that can deal with
1349 * the split (and they can't possibly care about new features...
1351 CMD(add_virtual_intf
, NEW_INTERFACE
);
1352 CMD(change_virtual_intf
, SET_INTERFACE
);
1353 CMD(add_key
, NEW_KEY
);
1354 CMD(start_ap
, START_AP
);
1355 CMD(add_station
, NEW_STATION
);
1356 CMD(add_mpath
, NEW_MPATH
);
1357 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1358 CMD(change_bss
, SET_BSS
);
1359 CMD(auth
, AUTHENTICATE
);
1360 CMD(assoc
, ASSOCIATE
);
1361 CMD(deauth
, DEAUTHENTICATE
);
1362 CMD(disassoc
, DISASSOCIATE
);
1363 CMD(join_ibss
, JOIN_IBSS
);
1364 CMD(join_mesh
, JOIN_MESH
);
1365 CMD(set_pmksa
, SET_PMKSA
);
1366 CMD(del_pmksa
, DEL_PMKSA
);
1367 CMD(flush_pmksa
, FLUSH_PMKSA
);
1368 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1369 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1370 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1371 CMD(mgmt_tx
, FRAME
);
1372 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1373 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1375 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1376 goto nla_put_failure
;
1378 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1379 rdev
->ops
->join_mesh
) {
1381 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1382 goto nla_put_failure
;
1384 CMD(set_wds_peer
, SET_WDS_PEER
);
1385 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1386 CMD(tdls_mgmt
, TDLS_MGMT
);
1387 CMD(tdls_oper
, TDLS_OPER
);
1389 if (rdev
->wiphy
.max_sched_scan_reqs
)
1390 CMD(sched_scan_start
, START_SCHED_SCAN
);
1391 CMD(probe_client
, PROBE_CLIENT
);
1392 CMD(set_noack_map
, SET_NOACK_MAP
);
1393 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1395 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1396 goto nla_put_failure
;
1398 CMD(start_p2p_device
, START_P2P_DEVICE
);
1399 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1400 #ifdef CONFIG_NL80211_TESTMODE
1401 CMD(testmode_cmd
, TESTMODE
);
1404 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1406 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1407 goto nla_put_failure
;
1410 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1412 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1413 goto nla_put_failure
;
1421 struct nl80211_dump_wiphy_state
{
1424 long split_start
, band_start
, chan_start
, capa_start
;
1428 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1429 enum nl80211_commands cmd
,
1430 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1431 int flags
, struct nl80211_dump_wiphy_state
*state
)
1434 struct nlattr
*nl_bands
, *nl_band
;
1435 struct nlattr
*nl_freqs
, *nl_freq
;
1436 struct nlattr
*nl_cmds
;
1437 enum nl80211_band band
;
1438 struct ieee80211_channel
*chan
;
1440 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1441 rdev
->wiphy
.mgmt_stypes
;
1444 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1448 if (WARN_ON(!state
))
1451 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1452 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1453 wiphy_name(&rdev
->wiphy
)) ||
1454 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1455 cfg80211_rdev_list_generation
))
1456 goto nla_put_failure
;
1458 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1461 switch (state
->split_start
) {
1463 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1464 rdev
->wiphy
.retry_short
) ||
1465 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1466 rdev
->wiphy
.retry_long
) ||
1467 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1468 rdev
->wiphy
.frag_threshold
) ||
1469 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1470 rdev
->wiphy
.rts_threshold
) ||
1471 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1472 rdev
->wiphy
.coverage_class
) ||
1473 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1474 rdev
->wiphy
.max_scan_ssids
) ||
1475 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1476 rdev
->wiphy
.max_sched_scan_ssids
) ||
1477 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1478 rdev
->wiphy
.max_scan_ie_len
) ||
1479 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1480 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1481 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1482 rdev
->wiphy
.max_match_sets
) ||
1483 nla_put_u32(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
,
1484 rdev
->wiphy
.max_sched_scan_plans
) ||
1485 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
,
1486 rdev
->wiphy
.max_sched_scan_plan_interval
) ||
1487 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
,
1488 rdev
->wiphy
.max_sched_scan_plan_iterations
))
1489 goto nla_put_failure
;
1491 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1492 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1493 goto nla_put_failure
;
1494 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1495 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1496 goto nla_put_failure
;
1497 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1498 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1499 goto nla_put_failure
;
1500 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1501 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1502 goto nla_put_failure
;
1503 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1504 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1505 goto nla_put_failure
;
1506 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1507 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1508 goto nla_put_failure
;
1509 state
->split_start
++;
1513 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1514 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1515 rdev
->wiphy
.cipher_suites
))
1516 goto nla_put_failure
;
1518 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1519 rdev
->wiphy
.max_num_pmkids
))
1520 goto nla_put_failure
;
1522 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1523 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1524 goto nla_put_failure
;
1526 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1527 rdev
->wiphy
.available_antennas_tx
) ||
1528 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1529 rdev
->wiphy
.available_antennas_rx
))
1530 goto nla_put_failure
;
1532 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1533 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1534 rdev
->wiphy
.probe_resp_offload
))
1535 goto nla_put_failure
;
1537 if ((rdev
->wiphy
.available_antennas_tx
||
1538 rdev
->wiphy
.available_antennas_rx
) &&
1539 rdev
->ops
->get_antenna
) {
1540 u32 tx_ant
= 0, rx_ant
= 0;
1543 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1545 if (nla_put_u32(msg
,
1546 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1549 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1551 goto nla_put_failure
;
1555 state
->split_start
++;
1559 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1560 rdev
->wiphy
.interface_modes
))
1561 goto nla_put_failure
;
1562 state
->split_start
++;
1566 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1568 goto nla_put_failure
;
1570 for (band
= state
->band_start
;
1571 band
< NUM_NL80211_BANDS
; band
++) {
1572 struct ieee80211_supported_band
*sband
;
1574 sband
= rdev
->wiphy
.bands
[band
];
1579 nl_band
= nla_nest_start(msg
, band
);
1581 goto nla_put_failure
;
1583 switch (state
->chan_start
) {
1585 if (nl80211_send_band_rateinfo(msg
, sband
))
1586 goto nla_put_failure
;
1587 state
->chan_start
++;
1591 /* add frequencies */
1592 nl_freqs
= nla_nest_start(
1593 msg
, NL80211_BAND_ATTR_FREQS
);
1595 goto nla_put_failure
;
1597 for (i
= state
->chan_start
- 1;
1598 i
< sband
->n_channels
;
1600 nl_freq
= nla_nest_start(msg
, i
);
1602 goto nla_put_failure
;
1604 chan
= &sband
->channels
[i
];
1606 if (nl80211_msg_put_channel(
1609 goto nla_put_failure
;
1611 nla_nest_end(msg
, nl_freq
);
1615 if (i
< sband
->n_channels
)
1616 state
->chan_start
= i
+ 2;
1618 state
->chan_start
= 0;
1619 nla_nest_end(msg
, nl_freqs
);
1622 nla_nest_end(msg
, nl_band
);
1625 /* start again here */
1626 if (state
->chan_start
)
1631 nla_nest_end(msg
, nl_bands
);
1633 if (band
< NUM_NL80211_BANDS
)
1634 state
->band_start
= band
+ 1;
1636 state
->band_start
= 0;
1638 /* if bands & channels are done, continue outside */
1639 if (state
->band_start
== 0 && state
->chan_start
== 0)
1640 state
->split_start
++;
1644 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1646 goto nla_put_failure
;
1648 i
= nl80211_add_commands_unsplit(rdev
, msg
);
1650 goto nla_put_failure
;
1652 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1653 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1654 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1655 CMD(channel_switch
, CHANNEL_SWITCH
);
1656 CMD(set_qos_map
, SET_QOS_MAP
);
1657 if (rdev
->wiphy
.features
&
1658 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1659 CMD(add_tx_ts
, ADD_TX_TS
);
1660 CMD(set_multicast_to_unicast
, SET_MULTICAST_TO_UNICAST
);
1661 CMD(update_connect_params
, UPDATE_CONNECT_PARAMS
);
1665 nla_nest_end(msg
, nl_cmds
);
1666 state
->split_start
++;
1670 if (rdev
->ops
->remain_on_channel
&&
1671 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1673 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1674 rdev
->wiphy
.max_remain_on_channel_duration
))
1675 goto nla_put_failure
;
1677 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1678 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1679 goto nla_put_failure
;
1681 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1682 goto nla_put_failure
;
1683 state
->split_start
++;
1688 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1689 goto nla_put_failure
;
1690 state
->split_start
++;
1694 state
->split_start
++;
1697 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1698 rdev
->wiphy
.software_iftypes
))
1699 goto nla_put_failure
;
1701 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1703 goto nla_put_failure
;
1705 state
->split_start
++;
1709 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1710 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1711 rdev
->wiphy
.ap_sme_capa
))
1712 goto nla_put_failure
;
1714 features
= rdev
->wiphy
.features
;
1716 * We can only add the per-channel limit information if the
1717 * dump is split, otherwise it makes it too big. Therefore
1718 * only advertise it in that case.
1721 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1722 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1723 goto nla_put_failure
;
1725 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1726 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1727 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1728 rdev
->wiphy
.ht_capa_mod_mask
))
1729 goto nla_put_failure
;
1731 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1732 rdev
->wiphy
.max_acl_mac_addrs
&&
1733 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1734 rdev
->wiphy
.max_acl_mac_addrs
))
1735 goto nla_put_failure
;
1738 * Any information below this point is only available to
1739 * applications that can deal with it being split. This
1740 * helps ensure that newly added capabilities don't break
1741 * older tools by overrunning their buffers.
1743 * We still increment split_start so that in the split
1744 * case we'll continue with more data in the next round,
1745 * but break unconditionally so unsplit data stops here.
1747 state
->split_start
++;
1750 if (rdev
->wiphy
.extended_capabilities
&&
1751 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1752 rdev
->wiphy
.extended_capabilities_len
,
1753 rdev
->wiphy
.extended_capabilities
) ||
1754 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1755 rdev
->wiphy
.extended_capabilities_len
,
1756 rdev
->wiphy
.extended_capabilities_mask
)))
1757 goto nla_put_failure
;
1759 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1760 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1761 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1762 rdev
->wiphy
.vht_capa_mod_mask
))
1763 goto nla_put_failure
;
1765 state
->split_start
++;
1768 if (nl80211_send_coalesce(msg
, rdev
))
1769 goto nla_put_failure
;
1771 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1772 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1773 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1774 goto nla_put_failure
;
1776 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1777 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1778 rdev
->wiphy
.max_ap_assoc_sta
))
1779 goto nla_put_failure
;
1781 state
->split_start
++;
1784 if (rdev
->wiphy
.n_vendor_commands
) {
1785 const struct nl80211_vendor_cmd_info
*info
;
1786 struct nlattr
*nested
;
1788 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1790 goto nla_put_failure
;
1792 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1793 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1794 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1795 goto nla_put_failure
;
1797 nla_nest_end(msg
, nested
);
1800 if (rdev
->wiphy
.n_vendor_events
) {
1801 const struct nl80211_vendor_cmd_info
*info
;
1802 struct nlattr
*nested
;
1804 nested
= nla_nest_start(msg
,
1805 NL80211_ATTR_VENDOR_EVENTS
);
1807 goto nla_put_failure
;
1809 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1810 info
= &rdev
->wiphy
.vendor_events
[i
];
1811 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1812 goto nla_put_failure
;
1814 nla_nest_end(msg
, nested
);
1816 state
->split_start
++;
1819 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1820 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1821 rdev
->wiphy
.max_num_csa_counters
))
1822 goto nla_put_failure
;
1824 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1825 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1826 goto nla_put_failure
;
1828 if (rdev
->wiphy
.max_sched_scan_reqs
&&
1829 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_MAX_REQS
,
1830 rdev
->wiphy
.max_sched_scan_reqs
))
1831 goto nla_put_failure
;
1833 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1834 sizeof(rdev
->wiphy
.ext_features
),
1835 rdev
->wiphy
.ext_features
))
1836 goto nla_put_failure
;
1838 if (rdev
->wiphy
.bss_select_support
) {
1839 struct nlattr
*nested
;
1840 u32 bss_select_support
= rdev
->wiphy
.bss_select_support
;
1842 nested
= nla_nest_start(msg
, NL80211_ATTR_BSS_SELECT
);
1844 goto nla_put_failure
;
1847 while (bss_select_support
) {
1848 if ((bss_select_support
& 1) &&
1849 nla_put_flag(msg
, i
))
1850 goto nla_put_failure
;
1852 bss_select_support
>>= 1;
1854 nla_nest_end(msg
, nested
);
1857 state
->split_start
++;
1860 if (rdev
->wiphy
.num_iftype_ext_capab
&&
1861 rdev
->wiphy
.iftype_ext_capab
) {
1862 struct nlattr
*nested_ext_capab
, *nested
;
1864 nested
= nla_nest_start(msg
,
1865 NL80211_ATTR_IFTYPE_EXT_CAPA
);
1867 goto nla_put_failure
;
1869 for (i
= state
->capa_start
;
1870 i
< rdev
->wiphy
.num_iftype_ext_capab
; i
++) {
1871 const struct wiphy_iftype_ext_capab
*capab
;
1873 capab
= &rdev
->wiphy
.iftype_ext_capab
[i
];
1875 nested_ext_capab
= nla_nest_start(msg
, i
);
1876 if (!nested_ext_capab
||
1877 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
,
1879 nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1880 capab
->extended_capabilities_len
,
1881 capab
->extended_capabilities
) ||
1882 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1883 capab
->extended_capabilities_len
,
1884 capab
->extended_capabilities_mask
))
1885 goto nla_put_failure
;
1887 nla_nest_end(msg
, nested_ext_capab
);
1891 nla_nest_end(msg
, nested
);
1892 if (i
< rdev
->wiphy
.num_iftype_ext_capab
) {
1893 state
->capa_start
= i
+ 1;
1898 if (nla_put_u32(msg
, NL80211_ATTR_BANDS
,
1899 rdev
->wiphy
.nan_supported_bands
))
1900 goto nla_put_failure
;
1903 state
->split_start
= 0;
1907 genlmsg_end(msg
, hdr
);
1911 genlmsg_cancel(msg
, hdr
);
1915 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1916 struct netlink_callback
*cb
,
1917 struct nl80211_dump_wiphy_state
*state
)
1919 struct nlattr
**tb
= genl_family_attrbuf(&nl80211_fam
);
1920 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, tb
,
1921 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
1922 /* ignore parse errors for backward compatibility */
1926 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1927 if (tb
[NL80211_ATTR_WIPHY
])
1928 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1929 if (tb
[NL80211_ATTR_WDEV
])
1930 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1931 if (tb
[NL80211_ATTR_IFINDEX
]) {
1932 struct net_device
*netdev
;
1933 struct cfg80211_registered_device
*rdev
;
1934 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1936 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1939 if (netdev
->ieee80211_ptr
) {
1940 rdev
= wiphy_to_rdev(
1941 netdev
->ieee80211_ptr
->wiphy
);
1942 state
->filter_wiphy
= rdev
->wiphy_idx
;
1949 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1952 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1953 struct cfg80211_registered_device
*rdev
;
1957 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1962 state
->filter_wiphy
= -1;
1963 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1969 cb
->args
[0] = (long)state
;
1972 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1973 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1975 if (++idx
<= state
->start
)
1977 if (state
->filter_wiphy
!= -1 &&
1978 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1980 /* attempt to fit multiple wiphy data chunks into the skb */
1982 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1984 NETLINK_CB(cb
->skb
).portid
,
1986 NLM_F_MULTI
, state
);
1989 * If sending the wiphy data didn't fit (ENOBUFS
1990 * or EMSGSIZE returned), this SKB is still
1991 * empty (so it's not too big because another
1992 * wiphy dataset is already in the skb) and
1993 * we've not tried to adjust the dump allocation
1994 * yet ... then adjust the alloc size to be
1995 * bigger, and return 1 but with the empty skb.
1996 * This results in an empty message being RX'ed
1997 * in userspace, but that is ignored.
1999 * We can then retry with the larger buffer.
2001 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
2002 !skb
->len
&& !state
->split
&&
2003 cb
->min_dump_alloc
< 4096) {
2004 cb
->min_dump_alloc
= 4096;
2005 state
->split_start
= 0;
2012 } while (state
->split_start
> 0);
2022 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
2024 kfree((void *)cb
->args
[0]);
2028 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2030 struct sk_buff
*msg
;
2031 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2032 struct nl80211_dump_wiphy_state state
= {};
2034 msg
= nlmsg_new(4096, GFP_KERNEL
);
2038 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
2039 info
->snd_portid
, info
->snd_seq
, 0,
2045 return genlmsg_reply(msg
, info
);
2048 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
2049 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
2050 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
2051 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
2052 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
2053 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
2056 static int parse_txq_params(struct nlattr
*tb
[],
2057 struct ieee80211_txq_params
*txq_params
)
2059 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
2060 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
2061 !tb
[NL80211_TXQ_ATTR_AIFS
])
2064 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
2065 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
2066 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
2067 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
2068 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
2070 if (txq_params
->ac
>= NL80211_NUM_ACS
)
2076 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
2079 * You can only set the channel explicitly for WDS interfaces,
2080 * all others have their channel managed via their respective
2081 * "establish a connection" command (connect, join, ...)
2083 * For AP/GO and mesh mode, the channel can be set with the
2084 * channel userspace API, but is only stored and passed to the
2085 * low-level driver when the AP starts or the mesh is joined.
2086 * This is for backward compatibility, userspace can also give
2087 * the channel in the start-ap or join-mesh commands instead.
2089 * Monitors are special as they are normally slaved to
2090 * whatever else is going on, so they have their own special
2091 * operation to set the monitor channel if possible.
2094 wdev
->iftype
== NL80211_IFTYPE_AP
||
2095 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
2096 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
2097 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
2100 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
2101 struct genl_info
*info
,
2102 struct cfg80211_chan_def
*chandef
)
2106 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
2109 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
2111 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
2112 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
2113 chandef
->center_freq1
= control_freq
;
2114 chandef
->center_freq2
= 0;
2116 /* Primary channel not allowed */
2117 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
2120 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
2121 enum nl80211_channel_type chantype
;
2123 chantype
= nla_get_u32(
2124 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
2127 case NL80211_CHAN_NO_HT
:
2128 case NL80211_CHAN_HT20
:
2129 case NL80211_CHAN_HT40PLUS
:
2130 case NL80211_CHAN_HT40MINUS
:
2131 cfg80211_chandef_create(chandef
, chandef
->chan
,
2133 /* user input for center_freq is incorrect */
2134 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
] &&
2135 chandef
->center_freq1
!= nla_get_u32(
2136 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]))
2138 /* center_freq2 must be zero */
2139 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
] &&
2140 nla_get_u32(info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]))
2146 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
2148 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
2149 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
2150 chandef
->center_freq1
=
2152 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
2153 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
2154 chandef
->center_freq2
=
2156 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
2159 if (!cfg80211_chandef_valid(chandef
))
2162 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
2163 IEEE80211_CHAN_DISABLED
))
2166 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
2167 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
2168 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
2174 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
2175 struct net_device
*dev
,
2176 struct genl_info
*info
)
2178 struct cfg80211_chan_def chandef
;
2180 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
2181 struct wireless_dev
*wdev
= NULL
;
2184 wdev
= dev
->ieee80211_ptr
;
2185 if (!nl80211_can_set_dev_channel(wdev
))
2188 iftype
= wdev
->iftype
;
2190 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2195 case NL80211_IFTYPE_AP
:
2196 case NL80211_IFTYPE_P2P_GO
:
2197 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2202 if (wdev
->beacon_interval
) {
2203 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2204 !(rdev
->wiphy
.features
&
2205 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2210 /* Only allow dynamic channel width changes */
2211 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2215 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2219 wdev
->preset_chandef
= chandef
;
2222 case NL80211_IFTYPE_MESH_POINT
:
2223 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2225 case NL80211_IFTYPE_MONITOR
:
2226 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2235 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2237 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2238 struct net_device
*netdev
= info
->user_ptr
[1];
2240 return __nl80211_set_channel(rdev
, netdev
, info
);
2243 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2245 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2246 struct net_device
*dev
= info
->user_ptr
[1];
2247 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2250 if (!info
->attrs
[NL80211_ATTR_MAC
])
2253 if (netif_running(dev
))
2256 if (!rdev
->ops
->set_wds_peer
)
2259 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2262 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2263 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2266 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2268 struct cfg80211_registered_device
*rdev
;
2269 struct net_device
*netdev
= NULL
;
2270 struct wireless_dev
*wdev
;
2271 int result
= 0, rem_txq_params
= 0;
2272 struct nlattr
*nl_txq_params
;
2274 u8 retry_short
= 0, retry_long
= 0;
2275 u32 frag_threshold
= 0, rts_threshold
= 0;
2276 u8 coverage_class
= 0;
2281 * Try to find the wiphy and netdev. Normally this
2282 * function shouldn't need the netdev, but this is
2283 * done for backward compatibility -- previously
2284 * setting the channel was done per wiphy, but now
2285 * it is per netdev. Previous userland like hostapd
2286 * also passed a netdev to set_wiphy, so that it is
2287 * possible to let that go to the right netdev!
2290 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2291 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2293 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2294 if (netdev
&& netdev
->ieee80211_ptr
)
2295 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2301 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2304 return PTR_ERR(rdev
);
2309 wdev
= netdev
->ieee80211_ptr
;
2312 * end workaround code, by now the rdev is available
2313 * and locked, and wdev may or may not be NULL.
2316 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2317 result
= cfg80211_dev_rename(
2318 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2323 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2324 struct ieee80211_txq_params txq_params
;
2325 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2327 if (!rdev
->ops
->set_txq_params
)
2333 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2334 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2337 if (!netif_running(netdev
))
2340 nla_for_each_nested(nl_txq_params
,
2341 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2343 result
= nla_parse_nested(tb
, NL80211_TXQ_ATTR_MAX
,
2349 result
= parse_txq_params(tb
, &txq_params
);
2353 result
= rdev_set_txq_params(rdev
, netdev
,
2360 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2361 result
= __nl80211_set_channel(
2363 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2369 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2370 struct wireless_dev
*txp_wdev
= wdev
;
2371 enum nl80211_tx_power_setting type
;
2374 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2377 if (!rdev
->ops
->set_tx_power
)
2380 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2381 type
= nla_get_u32(info
->attrs
[idx
]);
2383 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2384 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2387 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2388 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2389 mbm
= nla_get_u32(info
->attrs
[idx
]);
2392 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2397 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2398 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2401 if ((!rdev
->wiphy
.available_antennas_tx
&&
2402 !rdev
->wiphy
.available_antennas_rx
) ||
2403 !rdev
->ops
->set_antenna
)
2406 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2407 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2409 /* reject antenna configurations which don't match the
2410 * available antenna masks, except for the "all" mask */
2411 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2412 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2415 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2416 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2418 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2425 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2426 retry_short
= nla_get_u8(
2427 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2428 if (retry_short
== 0)
2431 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2434 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2435 retry_long
= nla_get_u8(
2436 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2437 if (retry_long
== 0)
2440 changed
|= WIPHY_PARAM_RETRY_LONG
;
2443 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2444 frag_threshold
= nla_get_u32(
2445 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2446 if (frag_threshold
< 256)
2449 if (frag_threshold
!= (u32
) -1) {
2451 * Fragments (apart from the last one) are required to
2452 * have even length. Make the fragmentation code
2453 * simpler by stripping LSB should someone try to use
2454 * odd threshold value.
2456 frag_threshold
&= ~0x1;
2458 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2461 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2462 rts_threshold
= nla_get_u32(
2463 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2464 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2467 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2468 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2471 coverage_class
= nla_get_u8(
2472 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2473 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2476 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2477 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2480 changed
|= WIPHY_PARAM_DYN_ACK
;
2484 u8 old_retry_short
, old_retry_long
;
2485 u32 old_frag_threshold
, old_rts_threshold
;
2486 u8 old_coverage_class
;
2488 if (!rdev
->ops
->set_wiphy_params
)
2491 old_retry_short
= rdev
->wiphy
.retry_short
;
2492 old_retry_long
= rdev
->wiphy
.retry_long
;
2493 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2494 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2495 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2497 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2498 rdev
->wiphy
.retry_short
= retry_short
;
2499 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2500 rdev
->wiphy
.retry_long
= retry_long
;
2501 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2502 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2503 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2504 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2505 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2506 rdev
->wiphy
.coverage_class
= coverage_class
;
2508 result
= rdev_set_wiphy_params(rdev
, changed
);
2510 rdev
->wiphy
.retry_short
= old_retry_short
;
2511 rdev
->wiphy
.retry_long
= old_retry_long
;
2512 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2513 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2514 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2521 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2523 return (u64
)wdev
->identifier
|
2524 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2527 static int nl80211_send_chandef(struct sk_buff
*msg
,
2528 const struct cfg80211_chan_def
*chandef
)
2530 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2533 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2534 chandef
->chan
->center_freq
))
2536 switch (chandef
->width
) {
2537 case NL80211_CHAN_WIDTH_20_NOHT
:
2538 case NL80211_CHAN_WIDTH_20
:
2539 case NL80211_CHAN_WIDTH_40
:
2540 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2541 cfg80211_get_chandef_type(chandef
)))
2547 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2549 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2551 if (chandef
->center_freq2
&&
2552 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2557 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2558 struct cfg80211_registered_device
*rdev
,
2559 struct wireless_dev
*wdev
, bool removal
)
2561 struct net_device
*dev
= wdev
->netdev
;
2562 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2566 cmd
= NL80211_CMD_DEL_INTERFACE
;
2568 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2573 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2574 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2575 goto nla_put_failure
;
2577 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2578 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2579 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
2580 NL80211_ATTR_PAD
) ||
2581 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2582 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2583 rdev
->devlist_generation
^
2584 (cfg80211_rdev_list_generation
<< 2)))
2585 goto nla_put_failure
;
2587 if (rdev
->ops
->get_channel
) {
2589 struct cfg80211_chan_def chandef
;
2591 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2593 if (nl80211_send_chandef(msg
, &chandef
))
2594 goto nla_put_failure
;
2598 if (rdev
->ops
->get_tx_power
) {
2601 ret
= rdev_get_tx_power(rdev
, wdev
, &dbm
);
2603 nla_put_u32(msg
, NL80211_ATTR_WIPHY_TX_POWER_LEVEL
,
2605 goto nla_put_failure
;
2608 if (wdev
->ssid_len
) {
2609 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2610 goto nla_put_failure
;
2613 genlmsg_end(msg
, hdr
);
2617 genlmsg_cancel(msg
, hdr
);
2621 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2625 int wp_start
= cb
->args
[0];
2626 int if_start
= cb
->args
[1];
2627 int filter_wiphy
= -1;
2628 struct cfg80211_registered_device
*rdev
;
2629 struct wireless_dev
*wdev
;
2634 struct nl80211_dump_wiphy_state state
= {
2638 ret
= nl80211_dump_wiphy_parse(skb
, cb
, &state
);
2642 filter_wiphy
= state
.filter_wiphy
;
2645 * if filtering, set cb->args[2] to +1 since 0 is the default
2646 * value needed to determine that parsing is necessary.
2648 if (filter_wiphy
>= 0)
2649 cb
->args
[2] = filter_wiphy
+ 1;
2652 } else if (cb
->args
[2] > 0) {
2653 filter_wiphy
= cb
->args
[2] - 1;
2656 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2657 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2659 if (wp_idx
< wp_start
) {
2664 if (filter_wiphy
>= 0 && filter_wiphy
!= rdev
->wiphy_idx
)
2669 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
2670 if (if_idx
< if_start
) {
2674 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2675 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2676 rdev
, wdev
, false) < 0) {
2685 cb
->args
[0] = wp_idx
;
2686 cb
->args
[1] = if_idx
;
2695 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2697 struct sk_buff
*msg
;
2698 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2699 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2701 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2705 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2706 rdev
, wdev
, false) < 0) {
2711 return genlmsg_reply(msg
, info
);
2714 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2715 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2716 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2717 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2718 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2719 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2720 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2723 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2725 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2733 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
, nla
,
2734 mntr_flags_policy
, NULL
))
2737 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2739 *mntrflags
|= (1<<flag
);
2741 *mntrflags
|= MONITOR_FLAG_CHANGED
;
2746 static int nl80211_parse_mon_options(struct cfg80211_registered_device
*rdev
,
2747 enum nl80211_iftype type
,
2748 struct genl_info
*info
,
2749 struct vif_params
*params
)
2751 bool change
= false;
2754 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2755 if (type
!= NL80211_IFTYPE_MONITOR
)
2758 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2766 if (params
->flags
& MONITOR_FLAG_ACTIVE
&&
2767 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2770 if (info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]) {
2771 const u8
*mumimo_groups
;
2772 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2774 if (type
!= NL80211_IFTYPE_MONITOR
)
2777 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2781 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]);
2783 /* bits 0 and 63 are reserved and must be zero */
2784 if ((mumimo_groups
[0] & BIT(0)) ||
2785 (mumimo_groups
[VHT_MUMIMO_GROUPS_DATA_LEN
- 1] & BIT(7)))
2788 params
->vht_mumimo_groups
= mumimo_groups
;
2792 if (info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]) {
2793 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2795 if (type
!= NL80211_IFTYPE_MONITOR
)
2798 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2801 params
->vht_mumimo_follow_addr
=
2802 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]);
2806 return change
? 1 : 0;
2809 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2810 struct net_device
*netdev
, u8 use_4addr
,
2811 enum nl80211_iftype iftype
)
2814 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2820 case NL80211_IFTYPE_AP_VLAN
:
2821 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2824 case NL80211_IFTYPE_STATION
:
2825 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2835 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2837 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2838 struct vif_params params
;
2840 enum nl80211_iftype otype
, ntype
;
2841 struct net_device
*dev
= info
->user_ptr
[1];
2842 bool change
= false;
2844 memset(¶ms
, 0, sizeof(params
));
2846 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2848 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2849 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2852 if (ntype
> NL80211_IFTYPE_MAX
)
2856 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2857 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2859 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2861 if (netif_running(dev
))
2865 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2866 IEEE80211_MAX_MESH_ID_LEN
);
2867 wdev
->mesh_id_up_len
=
2868 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2869 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2870 wdev
->mesh_id_up_len
);
2874 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2875 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2877 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2881 params
.use_4addr
= -1;
2884 err
= nl80211_parse_mon_options(rdev
, ntype
, info
, ¶ms
);
2891 err
= cfg80211_change_iface(rdev
, dev
, ntype
, ¶ms
);
2895 if (!err
&& params
.use_4addr
!= -1)
2896 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2901 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2903 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2904 struct vif_params params
;
2905 struct wireless_dev
*wdev
;
2906 struct sk_buff
*msg
;
2908 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2910 /* to avoid failing a new interface creation due to pending removal */
2911 cfg80211_destroy_ifaces(rdev
);
2913 memset(¶ms
, 0, sizeof(params
));
2915 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2918 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2919 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2920 if (type
> NL80211_IFTYPE_MAX
)
2924 if (!rdev
->ops
->add_virtual_intf
||
2925 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2928 if ((type
== NL80211_IFTYPE_P2P_DEVICE
|| type
== NL80211_IFTYPE_NAN
||
2929 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2930 info
->attrs
[NL80211_ATTR_MAC
]) {
2931 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2933 if (!is_valid_ether_addr(params
.macaddr
))
2934 return -EADDRNOTAVAIL
;
2937 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2938 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2939 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2944 err
= nl80211_parse_mon_options(rdev
, type
, info
, ¶ms
);
2948 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2952 wdev
= rdev_add_virtual_intf(rdev
,
2953 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2954 NET_NAME_USER
, type
, ¶ms
);
2955 if (WARN_ON(!wdev
)) {
2958 } else if (IS_ERR(wdev
)) {
2960 return PTR_ERR(wdev
);
2963 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2964 wdev
->owner_nlportid
= info
->snd_portid
;
2967 case NL80211_IFTYPE_MESH_POINT
:
2968 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2971 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2972 IEEE80211_MAX_MESH_ID_LEN
);
2973 wdev
->mesh_id_up_len
=
2974 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2975 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2976 wdev
->mesh_id_up_len
);
2979 case NL80211_IFTYPE_NAN
:
2980 case NL80211_IFTYPE_P2P_DEVICE
:
2982 * P2P Device and NAN do not have a netdev, so don't go
2983 * through the netdev notifier and must be added here
2985 mutex_init(&wdev
->mtx
);
2986 INIT_LIST_HEAD(&wdev
->event_list
);
2987 spin_lock_init(&wdev
->event_lock
);
2988 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2989 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2991 wdev
->identifier
= ++rdev
->wdev_id
;
2992 list_add_rcu(&wdev
->list
, &rdev
->wiphy
.wdev_list
);
2993 rdev
->devlist_generation
++;
2999 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3000 rdev
, wdev
, false) < 0) {
3006 * For wdevs which have no associated netdev object (e.g. of type
3007 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
3008 * For all other types, the event will be generated from the
3012 nl80211_notify_iface(rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
);
3014 return genlmsg_reply(msg
, info
);
3017 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3019 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3020 struct wireless_dev
*wdev
= info
->user_ptr
[1];
3022 if (!rdev
->ops
->del_virtual_intf
)
3026 * If we remove a wireless device without a netdev then clear
3027 * user_ptr[1] so that nl80211_post_doit won't dereference it
3028 * to check if it needs to do dev_put(). Otherwise it crashes
3029 * since the wdev has been freed, unlike with a netdev where
3030 * we need the dev_put() for the netdev to really be freed.
3033 info
->user_ptr
[1] = NULL
;
3035 return rdev_del_virtual_intf(rdev
, wdev
);
3038 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
3040 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3041 struct net_device
*dev
= info
->user_ptr
[1];
3044 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
3047 if (!rdev
->ops
->set_noack_map
)
3050 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
3052 return rdev_set_noack_map(rdev
, dev
, noack_map
);
3055 struct get_key_cookie
{
3056 struct sk_buff
*msg
;
3061 static void get_key_callback(void *c
, struct key_params
*params
)
3064 struct get_key_cookie
*cookie
= c
;
3067 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
3068 params
->key_len
, params
->key
)) ||
3070 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
3071 params
->seq_len
, params
->seq
)) ||
3073 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
3075 goto nla_put_failure
;
3077 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
3079 goto nla_put_failure
;
3082 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
3083 params
->key_len
, params
->key
)) ||
3085 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
3086 params
->seq_len
, params
->seq
)) ||
3088 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
3090 goto nla_put_failure
;
3092 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
3093 goto nla_put_failure
;
3095 nla_nest_end(cookie
->msg
, key
);
3102 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
3104 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3106 struct net_device
*dev
= info
->user_ptr
[1];
3108 const u8
*mac_addr
= NULL
;
3110 struct get_key_cookie cookie
= {
3114 struct sk_buff
*msg
;
3116 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
3117 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
3122 if (info
->attrs
[NL80211_ATTR_MAC
])
3123 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3125 pairwise
= !!mac_addr
;
3126 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
3127 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
3129 if (kt
>= NUM_NL80211_KEYTYPES
)
3131 if (kt
!= NL80211_KEYTYPE_GROUP
&&
3132 kt
!= NL80211_KEYTYPE_PAIRWISE
)
3134 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
3137 if (!rdev
->ops
->get_key
)
3140 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3143 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3147 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3148 NL80211_CMD_NEW_KEY
);
3150 goto nla_put_failure
;
3153 cookie
.idx
= key_idx
;
3155 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3156 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3157 goto nla_put_failure
;
3159 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3160 goto nla_put_failure
;
3162 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3169 goto nla_put_failure
;
3171 genlmsg_end(msg
, hdr
);
3172 return genlmsg_reply(msg
, info
);
3181 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3183 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3184 struct key_parse key
;
3186 struct net_device
*dev
= info
->user_ptr
[1];
3188 err
= nl80211_parse_key(info
, &key
);
3195 /* only support setting default key */
3196 if (!key
.def
&& !key
.defmgmt
)
3199 wdev_lock(dev
->ieee80211_ptr
);
3202 if (!rdev
->ops
->set_default_key
) {
3207 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3211 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3212 key
.def_uni
, key
.def_multi
);
3217 #ifdef CONFIG_CFG80211_WEXT
3218 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3221 if (key
.def_uni
|| !key
.def_multi
) {
3226 if (!rdev
->ops
->set_default_mgmt_key
) {
3231 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3235 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3239 #ifdef CONFIG_CFG80211_WEXT
3240 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3245 wdev_unlock(dev
->ieee80211_ptr
);
3250 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3252 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3254 struct net_device
*dev
= info
->user_ptr
[1];
3255 struct key_parse key
;
3256 const u8
*mac_addr
= NULL
;
3258 err
= nl80211_parse_key(info
, &key
);
3265 if (info
->attrs
[NL80211_ATTR_MAC
])
3266 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3268 if (key
.type
== -1) {
3270 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3272 key
.type
= NL80211_KEYTYPE_GROUP
;
3276 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3277 key
.type
!= NL80211_KEYTYPE_GROUP
)
3280 if (!rdev
->ops
->add_key
)
3283 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3284 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3288 wdev_lock(dev
->ieee80211_ptr
);
3289 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3291 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3292 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3294 wdev_unlock(dev
->ieee80211_ptr
);
3299 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3301 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3303 struct net_device
*dev
= info
->user_ptr
[1];
3304 u8
*mac_addr
= NULL
;
3305 struct key_parse key
;
3307 err
= nl80211_parse_key(info
, &key
);
3311 if (info
->attrs
[NL80211_ATTR_MAC
])
3312 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3314 if (key
.type
== -1) {
3316 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3318 key
.type
= NL80211_KEYTYPE_GROUP
;
3322 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3323 key
.type
!= NL80211_KEYTYPE_GROUP
)
3326 if (!rdev
->ops
->del_key
)
3329 wdev_lock(dev
->ieee80211_ptr
);
3330 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3332 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3333 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3337 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3338 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3341 #ifdef CONFIG_CFG80211_WEXT
3343 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3344 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3345 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3346 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3349 wdev_unlock(dev
->ieee80211_ptr
);
3354 /* This function returns an error or the number of nested attributes */
3355 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3357 struct nlattr
*attr
;
3358 int n_entries
= 0, tmp
;
3360 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3361 if (nla_len(attr
) != ETH_ALEN
)
3371 * This function parses ACL information and allocates memory for ACL data.
3372 * On successful return, the calling function is responsible to free the
3373 * ACL buffer returned by this function.
3375 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3376 struct genl_info
*info
)
3378 enum nl80211_acl_policy acl_policy
;
3379 struct nlattr
*attr
;
3380 struct cfg80211_acl_data
*acl
;
3381 int i
= 0, n_entries
, tmp
;
3383 if (!wiphy
->max_acl_mac_addrs
)
3384 return ERR_PTR(-EOPNOTSUPP
);
3386 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3387 return ERR_PTR(-EINVAL
);
3389 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3390 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3391 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3392 return ERR_PTR(-EINVAL
);
3394 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3395 return ERR_PTR(-EINVAL
);
3397 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3399 return ERR_PTR(n_entries
);
3401 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3402 return ERR_PTR(-ENOTSUPP
);
3404 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3407 return ERR_PTR(-ENOMEM
);
3409 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3410 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3414 acl
->n_acl_entries
= n_entries
;
3415 acl
->acl_policy
= acl_policy
;
3420 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3422 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3423 struct net_device
*dev
= info
->user_ptr
[1];
3424 struct cfg80211_acl_data
*acl
;
3427 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3428 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3431 if (!dev
->ieee80211_ptr
->beacon_interval
)
3434 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3436 return PTR_ERR(acl
);
3438 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3445 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
3446 u8
*rates
, u8 rates_len
)
3451 for (i
= 0; i
< rates_len
; i
++) {
3452 int rate
= (rates
[i
] & 0x7f) * 5;
3455 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
3456 struct ieee80211_rate
*srate
=
3457 &sband
->bitrates
[ridx
];
3458 if (rate
== srate
->bitrate
) {
3463 if (ridx
== sband
->n_bitrates
)
3464 return 0; /* rate not found */
3470 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
3471 u8
*rates
, u8 rates_len
,
3472 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
3476 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3478 for (i
= 0; i
< rates_len
; i
++) {
3481 ridx
= rates
[i
] / 8;
3482 rbit
= BIT(rates
[i
] % 8);
3484 /* check validity */
3485 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
3488 /* check availability */
3489 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
3498 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
3502 switch (vht_mcs_map
) {
3503 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
3505 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
3508 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
3511 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
3521 static void vht_build_mcs_mask(u16 vht_mcs_map
,
3522 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
3526 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
3527 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
3532 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
3533 struct nl80211_txrate_vht
*txrate
,
3534 u16 mcs
[NL80211_VHT_NSS_MAX
])
3536 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3537 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
3540 if (!sband
->vht_cap
.vht_supported
)
3543 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
3545 /* Build vht_mcs_mask from VHT capabilities */
3546 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
3548 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3549 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
3550 mcs
[i
] = txrate
->mcs
[i
];
3558 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
3559 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
3560 .len
= NL80211_MAX_SUPP_RATES
},
3561 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
3562 .len
= NL80211_MAX_SUPP_HT_RATES
},
3563 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
3564 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
3567 static int nl80211_parse_tx_bitrate_mask(struct genl_info
*info
,
3568 struct cfg80211_bitrate_mask
*mask
)
3570 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
3571 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3573 struct nlattr
*tx_rates
;
3574 struct ieee80211_supported_band
*sband
;
3577 memset(mask
, 0, sizeof(*mask
));
3578 /* Default to all rates enabled */
3579 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
3580 sband
= rdev
->wiphy
.bands
[i
];
3585 mask
->control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
3586 memcpy(mask
->control
[i
].ht_mcs
,
3587 sband
->ht_cap
.mcs
.rx_mask
,
3588 sizeof(mask
->control
[i
].ht_mcs
));
3590 if (!sband
->vht_cap
.vht_supported
)
3593 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3594 vht_build_mcs_mask(vht_tx_mcs_map
, mask
->control
[i
].vht_mcs
);
3597 /* if no rates are given set it back to the defaults */
3598 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
3601 /* The nested attribute uses enum nl80211_band as the index. This maps
3602 * directly to the enum nl80211_band values used in cfg80211.
3604 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
3605 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
3606 enum nl80211_band band
= nla_type(tx_rates
);
3609 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
3611 sband
= rdev
->wiphy
.bands
[band
];
3614 err
= nla_parse_nested(tb
, NL80211_TXRATE_MAX
, tx_rates
,
3615 nl80211_txattr_policy
, info
->extack
);
3618 if (tb
[NL80211_TXRATE_LEGACY
]) {
3619 mask
->control
[band
].legacy
= rateset_to_mask(
3621 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
3622 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
3623 if ((mask
->control
[band
].legacy
== 0) &&
3624 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
3627 if (tb
[NL80211_TXRATE_HT
]) {
3628 if (!ht_rateset_to_mask(
3630 nla_data(tb
[NL80211_TXRATE_HT
]),
3631 nla_len(tb
[NL80211_TXRATE_HT
]),
3632 mask
->control
[band
].ht_mcs
))
3635 if (tb
[NL80211_TXRATE_VHT
]) {
3636 if (!vht_set_mcs_mask(
3638 nla_data(tb
[NL80211_TXRATE_VHT
]),
3639 mask
->control
[band
].vht_mcs
))
3642 if (tb
[NL80211_TXRATE_GI
]) {
3643 mask
->control
[band
].gi
=
3644 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
3645 if (mask
->control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
3649 if (mask
->control
[band
].legacy
== 0) {
3650 /* don't allow empty legacy rates if HT or VHT
3651 * are not even supported.
3653 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
3654 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
3657 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
3658 if (mask
->control
[band
].ht_mcs
[i
])
3661 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
3662 if (mask
->control
[band
].vht_mcs
[i
])
3665 /* legacy and mcs rates may not be both empty */
3674 static int validate_beacon_tx_rate(struct cfg80211_registered_device
*rdev
,
3675 enum nl80211_band band
,
3676 struct cfg80211_bitrate_mask
*beacon_rate
)
3678 u32 count_ht
, count_vht
, i
;
3679 u32 rate
= beacon_rate
->control
[band
].legacy
;
3681 /* Allow only one rate */
3682 if (hweight32(rate
) > 1)
3686 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
3687 if (hweight8(beacon_rate
->control
[band
].ht_mcs
[i
]) > 1) {
3689 } else if (beacon_rate
->control
[band
].ht_mcs
[i
]) {
3694 if (count_ht
&& rate
)
3699 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3700 if (hweight16(beacon_rate
->control
[band
].vht_mcs
[i
]) > 1) {
3702 } else if (beacon_rate
->control
[band
].vht_mcs
[i
]) {
3707 if (count_vht
&& rate
)
3711 if ((count_ht
&& count_vht
) || (!rate
&& !count_ht
&& !count_vht
))
3715 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3716 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY
))
3719 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3720 NL80211_EXT_FEATURE_BEACON_RATE_HT
))
3723 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3724 NL80211_EXT_FEATURE_BEACON_RATE_VHT
))
3730 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3731 struct cfg80211_beacon_data
*bcn
)
3733 bool haveinfo
= false;
3735 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3736 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3737 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3738 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3741 memset(bcn
, 0, sizeof(*bcn
));
3743 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3744 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3745 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3751 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3752 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3753 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3760 if (attrs
[NL80211_ATTR_IE
]) {
3761 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3762 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3765 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3766 bcn
->proberesp_ies
=
3767 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3768 bcn
->proberesp_ies_len
=
3769 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3772 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3773 bcn
->assocresp_ies
=
3774 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3775 bcn
->assocresp_ies_len
=
3776 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3779 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3780 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3781 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3787 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings
*params
,
3795 for (i
= 0; i
< rates
[1]; i
++) {
3796 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_HT_PHY
)
3797 params
->ht_required
= true;
3798 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY
)
3799 params
->vht_required
= true;
3804 * Since the nl80211 API didn't include, from the beginning, attributes about
3805 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
3806 * benefit of drivers that rebuild IEs in the firmware.
3808 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings
*params
)
3810 const struct cfg80211_beacon_data
*bcn
= ¶ms
->beacon
;
3811 size_t ies_len
= bcn
->tail_len
;
3812 const u8
*ies
= bcn
->tail
;
3816 rates
= cfg80211_find_ie(WLAN_EID_SUPP_RATES
, ies
, ies_len
);
3817 nl80211_check_ap_rate_selectors(params
, rates
);
3819 rates
= cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES
, ies
, ies_len
);
3820 nl80211_check_ap_rate_selectors(params
, rates
);
3822 cap
= cfg80211_find_ie(WLAN_EID_HT_CAPABILITY
, ies
, ies_len
);
3823 if (cap
&& cap
[1] >= sizeof(*params
->ht_cap
))
3824 params
->ht_cap
= (void *)(cap
+ 2);
3825 cap
= cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY
, ies
, ies_len
);
3826 if (cap
&& cap
[1] >= sizeof(*params
->vht_cap
))
3827 params
->vht_cap
= (void *)(cap
+ 2);
3830 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3831 struct cfg80211_ap_settings
*params
)
3833 struct wireless_dev
*wdev
;
3836 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3837 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3838 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3841 if (!wdev
->preset_chandef
.chan
)
3844 params
->chandef
= wdev
->preset_chandef
;
3852 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3853 enum nl80211_auth_type auth_type
,
3854 enum nl80211_commands cmd
)
3856 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3860 case NL80211_CMD_AUTHENTICATE
:
3861 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3862 auth_type
== NL80211_AUTHTYPE_SAE
)
3864 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
3865 NL80211_EXT_FEATURE_FILS_STA
) &&
3866 (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3867 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3868 auth_type
== NL80211_AUTHTYPE_FILS_PK
))
3871 case NL80211_CMD_CONNECT
:
3872 /* SAE not supported yet */
3873 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3875 /* FILS with SK PFS or PK not supported yet */
3876 if (auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3877 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3879 if (!wiphy_ext_feature_isset(
3881 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
3882 auth_type
== NL80211_AUTHTYPE_FILS_SK
)
3885 case NL80211_CMD_START_AP
:
3886 /* SAE not supported yet */
3887 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3889 /* FILS not supported yet */
3890 if (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3891 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3892 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3900 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3902 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3903 struct net_device
*dev
= info
->user_ptr
[1];
3904 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3905 struct cfg80211_ap_settings params
;
3908 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3909 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3912 if (!rdev
->ops
->start_ap
)
3915 if (wdev
->beacon_interval
)
3918 memset(¶ms
, 0, sizeof(params
));
3920 /* these are required for START_AP */
3921 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3922 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3923 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3926 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3930 params
.beacon_interval
=
3931 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3932 params
.dtim_period
=
3933 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3935 err
= cfg80211_validate_beacon_int(rdev
, dev
->ieee80211_ptr
->iftype
,
3936 params
.beacon_interval
);
3941 * In theory, some of these attributes should be required here
3942 * but since they were not used when the command was originally
3943 * added, keep them optional for old user space programs to let
3944 * them continue to work with drivers that do not need the
3945 * additional information -- drivers must check!
3947 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3948 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3950 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3951 if (params
.ssid_len
== 0 ||
3952 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3956 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3957 params
.hidden_ssid
= nla_get_u32(
3958 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3959 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3960 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3961 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3965 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3967 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3968 params
.auth_type
= nla_get_u32(
3969 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3970 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3971 NL80211_CMD_START_AP
))
3974 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3976 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3977 NL80211_MAX_NR_CIPHER_SUITES
);
3981 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3982 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3984 params
.inactivity_timeout
= nla_get_u16(
3985 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3988 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3989 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3991 params
.p2p_ctwindow
=
3992 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3993 if (params
.p2p_ctwindow
> 127)
3995 if (params
.p2p_ctwindow
!= 0 &&
3996 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4000 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4003 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4005 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4008 params
.p2p_opp_ps
= tmp
;
4009 if (params
.p2p_opp_ps
!= 0 &&
4010 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4014 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4015 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
4018 } else if (wdev
->preset_chandef
.chan
) {
4019 params
.chandef
= wdev
->preset_chandef
;
4020 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
4023 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
4027 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
4028 err
= nl80211_parse_tx_bitrate_mask(info
, ¶ms
.beacon_rate
);
4032 err
= validate_beacon_tx_rate(rdev
, params
.chandef
.chan
->band
,
4033 ¶ms
.beacon_rate
);
4038 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
4040 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
4041 switch (params
.smps_mode
) {
4042 case NL80211_SMPS_OFF
:
4044 case NL80211_SMPS_STATIC
:
4045 if (!(rdev
->wiphy
.features
&
4046 NL80211_FEATURE_STATIC_SMPS
))
4049 case NL80211_SMPS_DYNAMIC
:
4050 if (!(rdev
->wiphy
.features
&
4051 NL80211_FEATURE_DYNAMIC_SMPS
))
4058 params
.smps_mode
= NL80211_SMPS_OFF
;
4061 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
4062 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
4065 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
4066 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
4067 if (IS_ERR(params
.acl
))
4068 return PTR_ERR(params
.acl
);
4071 nl80211_calculate_ap_params(¶ms
);
4074 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
4076 wdev
->preset_chandef
= params
.chandef
;
4077 wdev
->beacon_interval
= params
.beacon_interval
;
4078 wdev
->chandef
= params
.chandef
;
4079 wdev
->ssid_len
= params
.ssid_len
;
4080 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
4089 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
4091 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4092 struct net_device
*dev
= info
->user_ptr
[1];
4093 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4094 struct cfg80211_beacon_data params
;
4097 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4098 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4101 if (!rdev
->ops
->change_beacon
)
4104 if (!wdev
->beacon_interval
)
4107 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
4112 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
4118 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
4120 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4121 struct net_device
*dev
= info
->user_ptr
[1];
4123 return cfg80211_stop_ap(rdev
, dev
, false);
4126 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
4127 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
4128 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
4129 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
4130 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
4131 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
4132 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
4135 static int parse_station_flags(struct genl_info
*info
,
4136 enum nl80211_iftype iftype
,
4137 struct station_parameters
*params
)
4139 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
4144 * Try parsing the new attribute first so userspace
4145 * can specify both for older kernels.
4147 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
4149 struct nl80211_sta_flag_update
*sta_flags
;
4151 sta_flags
= nla_data(nla
);
4152 params
->sta_flags_mask
= sta_flags
->mask
;
4153 params
->sta_flags_set
= sta_flags
->set
;
4154 params
->sta_flags_set
&= params
->sta_flags_mask
;
4155 if ((params
->sta_flags_mask
|
4156 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
4161 /* if present, parse the old attribute */
4163 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
4167 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
, nla
,
4168 sta_flags_policy
, info
->extack
))
4172 * Only allow certain flags for interface types so that
4173 * other attributes are silently ignored. Remember that
4174 * this is backward compatibility code with old userspace
4175 * and shouldn't be hit in other cases anyway.
4178 case NL80211_IFTYPE_AP
:
4179 case NL80211_IFTYPE_AP_VLAN
:
4180 case NL80211_IFTYPE_P2P_GO
:
4181 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4182 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4183 BIT(NL80211_STA_FLAG_WME
) |
4184 BIT(NL80211_STA_FLAG_MFP
);
4186 case NL80211_IFTYPE_P2P_CLIENT
:
4187 case NL80211_IFTYPE_STATION
:
4188 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4189 BIT(NL80211_STA_FLAG_TDLS_PEER
);
4191 case NL80211_IFTYPE_MESH_POINT
:
4192 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4193 BIT(NL80211_STA_FLAG_MFP
) |
4194 BIT(NL80211_STA_FLAG_AUTHORIZED
);
4199 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
4201 params
->sta_flags_set
|= (1<<flag
);
4203 /* no longer support new API additions in old API */
4204 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
4212 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
4215 struct nlattr
*rate
;
4218 enum nl80211_rate_info rate_flg
;
4220 rate
= nla_nest_start(msg
, attr
);
4224 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4225 bitrate
= cfg80211_calculate_bitrate(info
);
4226 /* report 16-bit bitrate only if we can */
4227 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
4229 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
4231 if (bitrate_compat
> 0 &&
4232 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
4236 case RATE_INFO_BW_5
:
4237 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
4239 case RATE_INFO_BW_10
:
4240 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
4245 case RATE_INFO_BW_20
:
4248 case RATE_INFO_BW_40
:
4249 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
4251 case RATE_INFO_BW_80
:
4252 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
4254 case RATE_INFO_BW_160
:
4255 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
4259 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
4262 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
4263 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
4265 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4266 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4268 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
4269 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
4271 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
4273 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4274 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4278 nla_nest_end(msg
, rate
);
4282 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
4291 attr
= nla_nest_start(msg
, id
);
4295 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
4296 if (!(mask
& BIT(i
)))
4299 if (nla_put_u8(msg
, i
, signal
[i
]))
4303 nla_nest_end(msg
, attr
);
4308 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
4310 struct cfg80211_registered_device
*rdev
,
4311 struct net_device
*dev
,
4312 const u8
*mac_addr
, struct station_info
*sinfo
)
4315 struct nlattr
*sinfoattr
, *bss_param
;
4317 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
4321 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4322 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
4323 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
4324 goto nla_put_failure
;
4326 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
4328 goto nla_put_failure
;
4330 #define PUT_SINFO(attr, memb, type) do { \
4331 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4332 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4333 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4335 goto nla_put_failure; \
4337 #define PUT_SINFO_U64(attr, memb) do { \
4338 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4339 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4340 sinfo->memb, NL80211_STA_INFO_PAD)) \
4341 goto nla_put_failure; \
4344 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
4345 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
4347 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
4348 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
4349 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
4350 (u32
)sinfo
->rx_bytes
))
4351 goto nla_put_failure
;
4353 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
4354 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
4355 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
4356 (u32
)sinfo
->tx_bytes
))
4357 goto nla_put_failure
;
4359 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
4360 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
4361 PUT_SINFO(LLID
, llid
, u16
);
4362 PUT_SINFO(PLID
, plid
, u16
);
4363 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
4364 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
4366 switch (rdev
->wiphy
.signal_type
) {
4367 case CFG80211_SIGNAL_TYPE_MBM
:
4368 PUT_SINFO(SIGNAL
, signal
, u8
);
4369 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
4374 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
4375 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4376 sinfo
->chain_signal
,
4377 NL80211_STA_INFO_CHAIN_SIGNAL
))
4378 goto nla_put_failure
;
4380 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
4381 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4382 sinfo
->chain_signal_avg
,
4383 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
4384 goto nla_put_failure
;
4386 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
4387 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
4388 NL80211_STA_INFO_TX_BITRATE
))
4389 goto nla_put_failure
;
4391 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
4392 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
4393 NL80211_STA_INFO_RX_BITRATE
))
4394 goto nla_put_failure
;
4397 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
4398 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
4399 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
4400 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
4401 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
4402 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
4403 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
4404 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
4405 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
4407 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
4408 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
4410 goto nla_put_failure
;
4412 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
4413 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
4414 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
4415 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
4416 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
4417 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
4418 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
4419 sinfo
->bss_param
.dtim_period
) ||
4420 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
4421 sinfo
->bss_param
.beacon_interval
))
4422 goto nla_put_failure
;
4424 nla_nest_end(msg
, bss_param
);
4426 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
4427 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
4428 sizeof(struct nl80211_sta_flag_update
),
4430 goto nla_put_failure
;
4432 PUT_SINFO_U64(T_OFFSET
, t_offset
);
4433 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
4434 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
4435 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
4438 #undef PUT_SINFO_U64
4440 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
4441 struct nlattr
*tidsattr
;
4444 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
4446 goto nla_put_failure
;
4448 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
4449 struct cfg80211_tid_stats
*tidstats
;
4450 struct nlattr
*tidattr
;
4452 tidstats
= &sinfo
->pertid
[tid
];
4454 if (!tidstats
->filled
)
4457 tidattr
= nla_nest_start(msg
, tid
+ 1);
4459 goto nla_put_failure
;
4461 #define PUT_TIDVAL_U64(attr, memb) do { \
4462 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4463 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4464 tidstats->memb, NL80211_TID_STATS_PAD)) \
4465 goto nla_put_failure; \
4468 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
4469 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
4470 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
4471 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
4473 #undef PUT_TIDVAL_U64
4474 nla_nest_end(msg
, tidattr
);
4477 nla_nest_end(msg
, tidsattr
);
4480 nla_nest_end(msg
, sinfoattr
);
4482 if (sinfo
->assoc_req_ies_len
&&
4483 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
4484 sinfo
->assoc_req_ies
))
4485 goto nla_put_failure
;
4487 genlmsg_end(msg
, hdr
);
4491 genlmsg_cancel(msg
, hdr
);
4495 static int nl80211_dump_station(struct sk_buff
*skb
,
4496 struct netlink_callback
*cb
)
4498 struct station_info sinfo
;
4499 struct cfg80211_registered_device
*rdev
;
4500 struct wireless_dev
*wdev
;
4501 u8 mac_addr
[ETH_ALEN
];
4502 int sta_idx
= cb
->args
[2];
4506 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4510 if (!wdev
->netdev
) {
4515 if (!rdev
->ops
->dump_station
) {
4521 memset(&sinfo
, 0, sizeof(sinfo
));
4522 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
4529 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
4530 NETLINK_CB(cb
->skb
).portid
,
4531 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4532 rdev
, wdev
->netdev
, mac_addr
,
4540 cb
->args
[2] = sta_idx
;
4548 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
4550 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4551 struct net_device
*dev
= info
->user_ptr
[1];
4552 struct station_info sinfo
;
4553 struct sk_buff
*msg
;
4554 u8
*mac_addr
= NULL
;
4557 memset(&sinfo
, 0, sizeof(sinfo
));
4559 if (!info
->attrs
[NL80211_ATTR_MAC
])
4562 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4564 if (!rdev
->ops
->get_station
)
4567 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
4571 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4575 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4576 info
->snd_portid
, info
->snd_seq
, 0,
4577 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4582 return genlmsg_reply(msg
, info
);
4585 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4586 struct station_parameters
*params
,
4587 enum cfg80211_station_type statype
)
4589 if (params
->listen_interval
!= -1 &&
4590 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4593 if (params
->support_p2p_ps
!= -1 &&
4594 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4598 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4599 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4602 /* When you run into this, adjust the code below for the new flag */
4603 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4606 case CFG80211_STA_MESH_PEER_KERNEL
:
4607 case CFG80211_STA_MESH_PEER_USER
:
4609 * No ignoring the TDLS flag here -- the userspace mesh
4610 * code doesn't have the bug of including TDLS in the
4613 if (params
->sta_flags_mask
&
4614 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4615 BIT(NL80211_STA_FLAG_MFP
) |
4616 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4619 case CFG80211_STA_TDLS_PEER_SETUP
:
4620 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4621 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4623 /* ignore since it can't change */
4624 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4627 /* disallow mesh-specific things */
4628 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4630 if (params
->local_pm
)
4632 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4636 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4637 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4638 /* TDLS can't be set, ... */
4639 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4642 * ... but don't bother the driver with it. This works around
4643 * a hostapd/wpa_supplicant issue -- it always includes the
4644 * TLDS_PEER flag in the mask even for AP mode.
4646 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4649 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4650 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4651 /* reject other things that can't change */
4652 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4654 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4656 if (params
->supported_rates
)
4658 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4662 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4663 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4669 case CFG80211_STA_AP_MLME_CLIENT
:
4670 /* Use this only for authorizing/unauthorizing a station */
4671 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4674 case CFG80211_STA_AP_CLIENT
:
4675 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4676 /* accept only the listed bits */
4677 if (params
->sta_flags_mask
&
4678 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4679 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4680 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4681 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4682 BIT(NL80211_STA_FLAG_WME
) |
4683 BIT(NL80211_STA_FLAG_MFP
)))
4686 /* but authenticated/associated only if driver handles it */
4687 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4688 params
->sta_flags_mask
&
4689 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4690 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4693 case CFG80211_STA_IBSS
:
4694 case CFG80211_STA_AP_STA
:
4695 /* reject any changes other than AUTHORIZED */
4696 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4699 case CFG80211_STA_TDLS_PEER_SETUP
:
4700 /* reject any changes other than AUTHORIZED or WME */
4701 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4702 BIT(NL80211_STA_FLAG_WME
)))
4704 /* force (at least) rates when authorizing */
4705 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4706 !params
->supported_rates
)
4709 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4710 /* reject any changes */
4712 case CFG80211_STA_MESH_PEER_KERNEL
:
4713 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4716 case CFG80211_STA_MESH_PEER_USER
:
4717 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4718 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4724 * Older kernel versions ignored this attribute entirely, so don't
4725 * reject attempts to update it but mark it as unused instead so the
4726 * driver won't look at the data.
4728 if (statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
&&
4729 statype
!= CFG80211_STA_TDLS_PEER_SETUP
)
4730 params
->opmode_notif_used
= false;
4734 EXPORT_SYMBOL(cfg80211_check_station_change
);
4737 * Get vlan interface making sure it is running and on the right wiphy.
4739 static struct net_device
*get_vlan(struct genl_info
*info
,
4740 struct cfg80211_registered_device
*rdev
)
4742 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4743 struct net_device
*v
;
4749 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4751 return ERR_PTR(-ENODEV
);
4753 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4758 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4759 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4760 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4765 if (!netif_running(v
)) {
4773 return ERR_PTR(ret
);
4776 static const struct nla_policy
4777 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4778 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4779 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4782 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4783 struct station_parameters
*params
)
4785 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4789 /* parse WME attributes if present */
4790 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4793 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4794 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4795 nl80211_sta_wme_policy
, info
->extack
);
4799 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4800 params
->uapsd_queues
= nla_get_u8(
4801 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4802 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4805 if (tb
[NL80211_STA_WME_MAX_SP
])
4806 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4808 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4811 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4816 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4817 struct station_parameters
*params
)
4819 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4820 params
->supported_channels
=
4821 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4822 params
->supported_channels_len
=
4823 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4825 * Need to include at least one (first channel, number of
4826 * channels) tuple for each subband, and must have proper
4827 * tuples for the rest of the data as well.
4829 if (params
->supported_channels_len
< 2)
4831 if (params
->supported_channels_len
% 2)
4835 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4836 params
->supported_oper_classes
=
4837 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4838 params
->supported_oper_classes_len
=
4839 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4841 * The value of the Length field of the Supported Operating
4842 * Classes element is between 2 and 253.
4844 if (params
->supported_oper_classes_len
< 2 ||
4845 params
->supported_oper_classes_len
> 253)
4851 static int nl80211_set_station_tdls(struct genl_info
*info
,
4852 struct station_parameters
*params
)
4855 /* Dummy STA entry gets updated once the peer capabilities are known */
4856 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4857 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4858 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4860 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4861 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4863 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4865 err
= nl80211_parse_sta_channel_info(info
, params
);
4869 return nl80211_parse_sta_wme(info
, params
);
4872 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4874 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4875 struct net_device
*dev
= info
->user_ptr
[1];
4876 struct station_parameters params
;
4880 memset(¶ms
, 0, sizeof(params
));
4882 if (!rdev
->ops
->change_station
)
4886 * AID and listen_interval properties can be set only for unassociated
4887 * station. Include these parameters here and will check them in
4888 * cfg80211_check_station_change().
4890 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4891 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4893 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4894 params
.listen_interval
=
4895 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4897 params
.listen_interval
= -1;
4899 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4902 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4903 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4906 params
.support_p2p_ps
= tmp
;
4908 params
.support_p2p_ps
= -1;
4911 if (!info
->attrs
[NL80211_ATTR_MAC
])
4914 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4916 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4917 params
.supported_rates
=
4918 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4919 params
.supported_rates_len
=
4920 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4923 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4925 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4926 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4929 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4931 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4932 params
.ext_capab_len
=
4933 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4936 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4939 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4940 params
.plink_action
=
4941 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4942 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4946 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4947 params
.plink_state
=
4948 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4949 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4951 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]) {
4952 params
.peer_aid
= nla_get_u16(
4953 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
4954 if (params
.peer_aid
> IEEE80211_MAX_AID
)
4957 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4960 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4961 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4962 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4964 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4965 pm
> NL80211_MESH_POWER_MAX
)
4968 params
.local_pm
= pm
;
4971 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4972 params
.opmode_notif_used
= true;
4973 params
.opmode_notif
=
4974 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4977 /* Include parameters for TDLS peer (will check later) */
4978 err
= nl80211_set_station_tdls(info
, ¶ms
);
4982 params
.vlan
= get_vlan(info
, rdev
);
4983 if (IS_ERR(params
.vlan
))
4984 return PTR_ERR(params
.vlan
);
4986 switch (dev
->ieee80211_ptr
->iftype
) {
4987 case NL80211_IFTYPE_AP
:
4988 case NL80211_IFTYPE_AP_VLAN
:
4989 case NL80211_IFTYPE_P2P_GO
:
4990 case NL80211_IFTYPE_P2P_CLIENT
:
4991 case NL80211_IFTYPE_STATION
:
4992 case NL80211_IFTYPE_ADHOC
:
4993 case NL80211_IFTYPE_MESH_POINT
:
5000 /* driver will call cfg80211_check_station_change() */
5001 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
5005 dev_put(params
.vlan
);
5010 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
5012 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5014 struct net_device
*dev
= info
->user_ptr
[1];
5015 struct station_parameters params
;
5016 u8
*mac_addr
= NULL
;
5017 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5018 BIT(NL80211_STA_FLAG_ASSOCIATED
);
5020 memset(¶ms
, 0, sizeof(params
));
5022 if (!rdev
->ops
->add_station
)
5025 if (!info
->attrs
[NL80211_ATTR_MAC
])
5028 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
5031 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
5034 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
5035 !info
->attrs
[NL80211_ATTR_PEER_AID
])
5038 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5039 params
.supported_rates
=
5040 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5041 params
.supported_rates_len
=
5042 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5043 params
.listen_interval
=
5044 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
5046 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
5049 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
5050 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
5053 params
.support_p2p_ps
= tmp
;
5056 * if not specified, assume it's supported for P2P GO interface,
5057 * and is NOT supported for AP interface
5059 params
.support_p2p_ps
=
5060 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
5063 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
5064 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
5066 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
5067 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
5070 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
5072 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
5073 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
5076 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
5078 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5079 params
.ext_capab_len
=
5080 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5083 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
5085 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5087 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
5089 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
5091 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
5092 params
.opmode_notif_used
= true;
5093 params
.opmode_notif
=
5094 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5097 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
5098 params
.plink_action
=
5099 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
5100 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
5104 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
5108 err
= nl80211_parse_sta_wme(info
, ¶ms
);
5112 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
5115 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5116 * as userspace might just pass through the capabilities from the IEs
5117 * directly, rather than enforcing this restriction and returning an
5118 * error in this case.
5120 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
5121 params
.ht_capa
= NULL
;
5122 params
.vht_capa
= NULL
;
5125 /* When you run into this, adjust the code below for the new flag */
5126 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
5128 switch (dev
->ieee80211_ptr
->iftype
) {
5129 case NL80211_IFTYPE_AP
:
5130 case NL80211_IFTYPE_AP_VLAN
:
5131 case NL80211_IFTYPE_P2P_GO
:
5132 /* ignore WME attributes if iface/sta is not capable */
5133 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
5134 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
5135 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5137 /* TDLS peers cannot be added */
5138 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5139 info
->attrs
[NL80211_ATTR_PEER_AID
])
5141 /* but don't bother the driver with it */
5142 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5144 /* allow authenticated/associated only if driver handles it */
5145 if (!(rdev
->wiphy
.features
&
5146 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
5147 params
.sta_flags_mask
& auth_assoc
)
5150 /* Older userspace, or userspace wanting to be compatible with
5151 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5152 * and assoc flags in the mask, but assumes the station will be
5153 * added as associated anyway since this was the required driver
5154 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5156 * In order to not bother drivers with this quirk in the API
5157 * set the flags in both the mask and set for new stations in
5160 if (!(params
.sta_flags_mask
& auth_assoc
)) {
5161 params
.sta_flags_mask
|= auth_assoc
;
5162 params
.sta_flags_set
|= auth_assoc
;
5165 /* must be last in here for error handling */
5166 params
.vlan
= get_vlan(info
, rdev
);
5167 if (IS_ERR(params
.vlan
))
5168 return PTR_ERR(params
.vlan
);
5170 case NL80211_IFTYPE_MESH_POINT
:
5171 /* ignore uAPSD data */
5172 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5174 /* associated is disallowed */
5175 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
5177 /* TDLS peers cannot be added */
5178 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5179 info
->attrs
[NL80211_ATTR_PEER_AID
])
5182 case NL80211_IFTYPE_STATION
:
5183 case NL80211_IFTYPE_P2P_CLIENT
:
5184 /* ignore uAPSD data */
5185 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5187 /* these are disallowed */
5188 if (params
.sta_flags_mask
&
5189 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
5190 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
5192 /* Only TDLS peers can be added */
5193 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
5195 /* Can only add if TDLS ... */
5196 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
5198 /* ... with external setup is supported */
5199 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
5202 * Older wpa_supplicant versions always mark the TDLS peer
5203 * as authorized, but it shouldn't yet be.
5205 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
5211 /* be aware of params.vlan when changing code here */
5213 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
5216 dev_put(params
.vlan
);
5220 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
5222 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5223 struct net_device
*dev
= info
->user_ptr
[1];
5224 struct station_del_parameters params
;
5226 memset(¶ms
, 0, sizeof(params
));
5228 if (info
->attrs
[NL80211_ATTR_MAC
])
5229 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5231 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5232 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5233 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5234 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5237 if (!rdev
->ops
->del_station
)
5240 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
5242 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
5243 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
5244 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
5247 /* Default to Deauthentication frame */
5248 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
5251 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
5252 params
.reason_code
=
5253 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5254 if (params
.reason_code
== 0)
5255 return -EINVAL
; /* 0 is reserved */
5257 /* Default to reason code 2 */
5258 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
5261 return rdev_del_station(rdev
, dev
, ¶ms
);
5264 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5265 int flags
, struct net_device
*dev
,
5266 u8
*dst
, u8
*next_hop
,
5267 struct mpath_info
*pinfo
)
5270 struct nlattr
*pinfoattr
;
5272 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
5276 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5277 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
5278 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
5279 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
5280 goto nla_put_failure
;
5282 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
5284 goto nla_put_failure
;
5285 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
5286 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
5288 goto nla_put_failure
;
5289 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
5290 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
5291 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
5292 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
5294 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
5295 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
5297 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
5298 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
5300 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
5301 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
5302 pinfo
->discovery_timeout
)) ||
5303 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
5304 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
5305 pinfo
->discovery_retries
)))
5306 goto nla_put_failure
;
5308 nla_nest_end(msg
, pinfoattr
);
5310 genlmsg_end(msg
, hdr
);
5314 genlmsg_cancel(msg
, hdr
);
5318 static int nl80211_dump_mpath(struct sk_buff
*skb
,
5319 struct netlink_callback
*cb
)
5321 struct mpath_info pinfo
;
5322 struct cfg80211_registered_device
*rdev
;
5323 struct wireless_dev
*wdev
;
5325 u8 next_hop
[ETH_ALEN
];
5326 int path_idx
= cb
->args
[2];
5330 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5334 if (!rdev
->ops
->dump_mpath
) {
5339 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5345 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
5352 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5353 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5354 wdev
->netdev
, dst
, next_hop
,
5362 cb
->args
[2] = path_idx
;
5369 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5371 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5373 struct net_device
*dev
= info
->user_ptr
[1];
5374 struct mpath_info pinfo
;
5375 struct sk_buff
*msg
;
5377 u8 next_hop
[ETH_ALEN
];
5379 memset(&pinfo
, 0, sizeof(pinfo
));
5381 if (!info
->attrs
[NL80211_ATTR_MAC
])
5384 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5386 if (!rdev
->ops
->get_mpath
)
5389 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5392 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
5396 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5400 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5401 dev
, dst
, next_hop
, &pinfo
) < 0) {
5406 return genlmsg_reply(msg
, info
);
5409 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5411 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5412 struct net_device
*dev
= info
->user_ptr
[1];
5414 u8
*next_hop
= NULL
;
5416 if (!info
->attrs
[NL80211_ATTR_MAC
])
5419 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5422 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5423 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5425 if (!rdev
->ops
->change_mpath
)
5428 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5431 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
5434 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5436 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5437 struct net_device
*dev
= info
->user_ptr
[1];
5439 u8
*next_hop
= NULL
;
5441 if (!info
->attrs
[NL80211_ATTR_MAC
])
5444 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5447 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5448 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5450 if (!rdev
->ops
->add_mpath
)
5453 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5456 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
5459 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5461 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5462 struct net_device
*dev
= info
->user_ptr
[1];
5465 if (info
->attrs
[NL80211_ATTR_MAC
])
5466 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5468 if (!rdev
->ops
->del_mpath
)
5471 return rdev_del_mpath(rdev
, dev
, dst
);
5474 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
5476 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5478 struct net_device
*dev
= info
->user_ptr
[1];
5479 struct mpath_info pinfo
;
5480 struct sk_buff
*msg
;
5484 memset(&pinfo
, 0, sizeof(pinfo
));
5486 if (!info
->attrs
[NL80211_ATTR_MAC
])
5489 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5491 if (!rdev
->ops
->get_mpp
)
5494 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5497 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
5501 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5505 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5506 dev
, dst
, mpp
, &pinfo
) < 0) {
5511 return genlmsg_reply(msg
, info
);
5514 static int nl80211_dump_mpp(struct sk_buff
*skb
,
5515 struct netlink_callback
*cb
)
5517 struct mpath_info pinfo
;
5518 struct cfg80211_registered_device
*rdev
;
5519 struct wireless_dev
*wdev
;
5522 int path_idx
= cb
->args
[2];
5526 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5530 if (!rdev
->ops
->dump_mpp
) {
5535 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5541 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
5548 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5549 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5550 wdev
->netdev
, dst
, mpp
,
5558 cb
->args
[2] = path_idx
;
5565 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
5567 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5568 struct net_device
*dev
= info
->user_ptr
[1];
5569 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5570 struct bss_parameters params
;
5573 memset(¶ms
, 0, sizeof(params
));
5574 /* default to not changing parameters */
5575 params
.use_cts_prot
= -1;
5576 params
.use_short_preamble
= -1;
5577 params
.use_short_slot_time
= -1;
5578 params
.ap_isolate
= -1;
5579 params
.ht_opmode
= -1;
5580 params
.p2p_ctwindow
= -1;
5581 params
.p2p_opp_ps
= -1;
5583 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
5584 params
.use_cts_prot
=
5585 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
5586 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
5587 params
.use_short_preamble
=
5588 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
5589 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
5590 params
.use_short_slot_time
=
5591 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
5592 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5593 params
.basic_rates
=
5594 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5595 params
.basic_rates_len
=
5596 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5598 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5599 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5600 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5602 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5604 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5605 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5607 params
.p2p_ctwindow
=
5608 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5609 if (params
.p2p_ctwindow
< 0)
5611 if (params
.p2p_ctwindow
!= 0 &&
5612 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5616 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5619 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5621 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5624 params
.p2p_opp_ps
= tmp
;
5625 if (params
.p2p_opp_ps
&&
5626 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5630 if (!rdev
->ops
->change_bss
)
5633 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5634 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5638 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5644 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5648 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5652 * You should only get this when cfg80211 hasn't yet initialized
5653 * completely when built-in to the kernel right between the time
5654 * window between nl80211_init() and regulatory_init(), if that is
5657 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5658 return -EINPROGRESS
;
5660 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5661 user_reg_hint_type
=
5662 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5664 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5666 switch (user_reg_hint_type
) {
5667 case NL80211_USER_REG_HINT_USER
:
5668 case NL80211_USER_REG_HINT_CELL_BASE
:
5669 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5672 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5673 return regulatory_hint_user(data
, user_reg_hint_type
);
5674 case NL80211_USER_REG_HINT_INDOOR
:
5675 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5676 owner_nlportid
= info
->snd_portid
;
5677 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5683 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5689 static int nl80211_reload_regdb(struct sk_buff
*skb
, struct genl_info
*info
)
5691 return reg_reload_regdb();
5694 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5695 struct genl_info
*info
)
5697 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5698 struct net_device
*dev
= info
->user_ptr
[1];
5699 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5700 struct mesh_config cur_params
;
5703 struct nlattr
*pinfoattr
;
5704 struct sk_buff
*msg
;
5706 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5709 if (!rdev
->ops
->get_mesh_config
)
5713 /* If not connected, get default parameters */
5714 if (!wdev
->mesh_id_len
)
5715 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5717 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5723 /* Draw up a netlink message to send back */
5724 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5727 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5728 NL80211_CMD_GET_MESH_CONFIG
);
5731 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5733 goto nla_put_failure
;
5734 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5735 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5736 cur_params
.dot11MeshRetryTimeout
) ||
5737 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5738 cur_params
.dot11MeshConfirmTimeout
) ||
5739 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5740 cur_params
.dot11MeshHoldingTimeout
) ||
5741 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5742 cur_params
.dot11MeshMaxPeerLinks
) ||
5743 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5744 cur_params
.dot11MeshMaxRetries
) ||
5745 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5746 cur_params
.dot11MeshTTL
) ||
5747 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5748 cur_params
.element_ttl
) ||
5749 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5750 cur_params
.auto_open_plinks
) ||
5751 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5752 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5753 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5754 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5755 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5756 cur_params
.path_refresh_time
) ||
5757 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5758 cur_params
.min_discovery_timeout
) ||
5759 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5760 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5761 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5762 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5763 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5764 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5765 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5766 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5767 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5768 cur_params
.dot11MeshHWMPRootMode
) ||
5769 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5770 cur_params
.dot11MeshHWMPRannInterval
) ||
5771 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5772 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5773 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5774 cur_params
.dot11MeshForwarding
) ||
5775 nla_put_s32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5776 cur_params
.rssi_threshold
) ||
5777 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5778 cur_params
.ht_opmode
) ||
5779 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5780 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5781 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5782 cur_params
.dot11MeshHWMProotInterval
) ||
5783 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5784 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5785 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5786 cur_params
.power_mode
) ||
5787 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5788 cur_params
.dot11MeshAwakeWindowDuration
) ||
5789 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5790 cur_params
.plink_timeout
))
5791 goto nla_put_failure
;
5792 nla_nest_end(msg
, pinfoattr
);
5793 genlmsg_end(msg
, hdr
);
5794 return genlmsg_reply(msg
, info
);
5797 genlmsg_cancel(msg
, hdr
);
5803 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5804 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5805 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5806 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5807 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5808 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5809 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5810 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5811 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5812 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5813 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5814 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5815 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5816 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5817 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5818 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5819 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5820 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5821 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5822 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5823 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5824 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5825 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5826 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5827 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5828 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5829 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5830 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5831 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5834 static const struct nla_policy
5835 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5836 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5837 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5838 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5839 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5840 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5841 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5842 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5843 .len
= IEEE80211_MAX_DATA_LEN
},
5844 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5847 static int nl80211_check_bool(const struct nlattr
*nla
, u8 min
, u8 max
, bool *out
)
5849 u8 val
= nla_get_u8(nla
);
5850 if (val
< min
|| val
> max
)
5856 static int nl80211_check_u8(const struct nlattr
*nla
, u8 min
, u8 max
, u8
*out
)
5858 u8 val
= nla_get_u8(nla
);
5859 if (val
< min
|| val
> max
)
5865 static int nl80211_check_u16(const struct nlattr
*nla
, u16 min
, u16 max
, u16
*out
)
5867 u16 val
= nla_get_u16(nla
);
5868 if (val
< min
|| val
> max
)
5874 static int nl80211_check_u32(const struct nlattr
*nla
, u32 min
, u32 max
, u32
*out
)
5876 u32 val
= nla_get_u32(nla
);
5877 if (val
< min
|| val
> max
)
5883 static int nl80211_check_s32(const struct nlattr
*nla
, s32 min
, s32 max
, s32
*out
)
5885 s32 val
= nla_get_s32(nla
);
5886 if (val
< min
|| val
> max
)
5892 static int nl80211_check_power_mode(const struct nlattr
*nla
,
5893 enum nl80211_mesh_power_mode min
,
5894 enum nl80211_mesh_power_mode max
,
5895 enum nl80211_mesh_power_mode
*out
)
5897 u32 val
= nla_get_u32(nla
);
5898 if (val
< min
|| val
> max
)
5904 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5905 struct mesh_config
*cfg
,
5908 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5912 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5915 if (fn(tb[attr], min, max, &cfg->param)) \
5917 mask |= (1 << (attr - 1)); \
5921 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5923 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5924 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5925 nl80211_meshconf_params_policy
, info
->extack
))
5928 /* This makes sure that there aren't more than 32 mesh config
5929 * parameters (otherwise our bitfield scheme would not work.) */
5930 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5932 /* Fill in the params struct */
5933 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5934 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5936 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5937 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5939 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5940 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5942 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5943 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5945 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5946 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5948 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5949 mask
, NL80211_MESHCONF_TTL
, nl80211_check_u8
);
5950 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5951 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5953 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5954 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5955 nl80211_check_bool
);
5956 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5958 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5960 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5961 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5963 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5964 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5966 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5967 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5969 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5971 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5973 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5975 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5977 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5979 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5981 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5982 dot11MeshHWMPnetDiameterTraversalTime
,
5984 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5986 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5987 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5989 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5990 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5992 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5993 dot11MeshGateAnnouncementProtocol
, 0, 1,
5994 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5995 nl80211_check_bool
);
5996 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5997 mask
, NL80211_MESHCONF_FORWARDING
,
5998 nl80211_check_bool
);
5999 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
6000 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
6003 * Check HT operation mode based on
6004 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
6006 if (tb
[NL80211_MESHCONF_HT_OPMODE
]) {
6007 ht_opmode
= nla_get_u16(tb
[NL80211_MESHCONF_HT_OPMODE
]);
6009 if (ht_opmode
& ~(IEEE80211_HT_OP_MODE_PROTECTION
|
6010 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
|
6011 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6014 if ((ht_opmode
& IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
) &&
6015 (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6018 switch (ht_opmode
& IEEE80211_HT_OP_MODE_PROTECTION
) {
6019 case IEEE80211_HT_OP_MODE_PROTECTION_NONE
:
6020 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
6021 if (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
)
6024 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER
:
6025 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
6026 if (!(ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6030 cfg
->ht_opmode
= ht_opmode
;
6031 mask
|= (1 << (NL80211_MESHCONF_HT_OPMODE
- 1));
6033 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
6035 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
6037 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
6038 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
6040 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6041 dot11MeshHWMPconfirmationInterval
,
6043 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
6045 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
6046 NL80211_MESH_POWER_ACTIVE
,
6047 NL80211_MESH_POWER_MAX
,
6048 mask
, NL80211_MESHCONF_POWER_MODE
,
6049 nl80211_check_power_mode
);
6050 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
6052 NL80211_MESHCONF_AWAKE_WINDOW
, nl80211_check_u16
);
6053 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
6054 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
6061 #undef FILL_IN_MESH_PARAM_IF_SET
6064 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
6065 struct mesh_setup
*setup
)
6067 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6068 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
6070 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
6072 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
6073 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
6074 nl80211_mesh_setup_params_policy
, info
->extack
))
6077 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
6078 setup
->sync_method
=
6079 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
6080 IEEE80211_SYNC_METHOD_VENDOR
:
6081 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
6083 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
6084 setup
->path_sel_proto
=
6085 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
6086 IEEE80211_PATH_PROTOCOL_VENDOR
:
6087 IEEE80211_PATH_PROTOCOL_HWMP
;
6089 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
6090 setup
->path_metric
=
6091 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
6092 IEEE80211_PATH_METRIC_VENDOR
:
6093 IEEE80211_PATH_METRIC_AIRTIME
;
6095 if (tb
[NL80211_MESH_SETUP_IE
]) {
6096 struct nlattr
*ieattr
=
6097 tb
[NL80211_MESH_SETUP_IE
];
6098 if (!is_valid_ie_attr(ieattr
))
6100 setup
->ie
= nla_data(ieattr
);
6101 setup
->ie_len
= nla_len(ieattr
);
6103 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
6104 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
6106 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
6107 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
6108 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
6109 if (setup
->is_secure
)
6110 setup
->user_mpm
= true;
6112 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
6113 if (!setup
->user_mpm
)
6116 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
6122 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
6123 struct genl_info
*info
)
6125 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6126 struct net_device
*dev
= info
->user_ptr
[1];
6127 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6128 struct mesh_config cfg
;
6132 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6135 if (!rdev
->ops
->update_mesh_config
)
6138 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
6143 if (!wdev
->mesh_id_len
)
6147 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
6154 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
6155 struct sk_buff
*msg
)
6157 struct nlattr
*nl_reg_rules
;
6160 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
6161 (regdom
->dfs_region
&&
6162 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
6163 goto nla_put_failure
;
6165 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
6167 goto nla_put_failure
;
6169 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
6170 struct nlattr
*nl_reg_rule
;
6171 const struct ieee80211_reg_rule
*reg_rule
;
6172 const struct ieee80211_freq_range
*freq_range
;
6173 const struct ieee80211_power_rule
*power_rule
;
6174 unsigned int max_bandwidth_khz
;
6176 reg_rule
= ®dom
->reg_rules
[i
];
6177 freq_range
= ®_rule
->freq_range
;
6178 power_rule
= ®_rule
->power_rule
;
6180 nl_reg_rule
= nla_nest_start(msg
, i
);
6182 goto nla_put_failure
;
6184 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
6185 if (!max_bandwidth_khz
)
6186 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
6189 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
6191 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
6192 freq_range
->start_freq_khz
) ||
6193 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
6194 freq_range
->end_freq_khz
) ||
6195 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
6196 max_bandwidth_khz
) ||
6197 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
6198 power_rule
->max_antenna_gain
) ||
6199 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
6200 power_rule
->max_eirp
) ||
6201 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
6202 reg_rule
->dfs_cac_ms
))
6203 goto nla_put_failure
;
6205 nla_nest_end(msg
, nl_reg_rule
);
6208 nla_nest_end(msg
, nl_reg_rules
);
6215 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
6217 const struct ieee80211_regdomain
*regdom
= NULL
;
6218 struct cfg80211_registered_device
*rdev
;
6219 struct wiphy
*wiphy
= NULL
;
6220 struct sk_buff
*msg
;
6223 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6227 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6228 NL80211_CMD_GET_REG
);
6232 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
6235 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6238 return PTR_ERR(rdev
);
6241 wiphy
= &rdev
->wiphy
;
6242 self_managed
= wiphy
->regulatory_flags
&
6243 REGULATORY_WIPHY_SELF_MANAGED
;
6244 regdom
= get_wiphy_regdom(wiphy
);
6246 /* a self-managed-reg device must have a private regdom */
6247 if (WARN_ON(!regdom
&& self_managed
)) {
6253 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6254 goto nla_put_failure
;
6257 if (!wiphy
&& reg_last_request_cell_base() &&
6258 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6259 NL80211_USER_REG_HINT_CELL_BASE
))
6260 goto nla_put_failure
;
6265 regdom
= rcu_dereference(cfg80211_regdomain
);
6267 if (nl80211_put_regdom(regdom
, msg
))
6268 goto nla_put_failure_rcu
;
6272 genlmsg_end(msg
, hdr
);
6273 return genlmsg_reply(msg
, info
);
6275 nla_put_failure_rcu
:
6278 genlmsg_cancel(msg
, hdr
);
6284 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6285 u32 seq
, int flags
, struct wiphy
*wiphy
,
6286 const struct ieee80211_regdomain
*regdom
)
6288 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6289 NL80211_CMD_GET_REG
);
6294 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6296 if (nl80211_put_regdom(regdom
, msg
))
6297 goto nla_put_failure
;
6299 if (!wiphy
&& reg_last_request_cell_base() &&
6300 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6301 NL80211_USER_REG_HINT_CELL_BASE
))
6302 goto nla_put_failure
;
6305 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6306 goto nla_put_failure
;
6308 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
6309 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
6310 goto nla_put_failure
;
6312 genlmsg_end(msg
, hdr
);
6316 genlmsg_cancel(msg
, hdr
);
6320 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
6321 struct netlink_callback
*cb
)
6323 const struct ieee80211_regdomain
*regdom
= NULL
;
6324 struct cfg80211_registered_device
*rdev
;
6325 int err
, reg_idx
, start
= cb
->args
[2];
6329 if (cfg80211_regdomain
&& start
== 0) {
6330 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6332 rtnl_dereference(cfg80211_regdomain
));
6337 /* the global regdom is idx 0 */
6339 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
6340 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
6344 if (++reg_idx
<= start
)
6347 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6348 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
6355 cb
->args
[2] = reg_idx
;
6362 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6363 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
6364 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
6365 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
6366 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
6367 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
6368 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
6369 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
6370 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
6373 static int parse_reg_rule(struct nlattr
*tb
[],
6374 struct ieee80211_reg_rule
*reg_rule
)
6376 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
6377 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
6379 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
6381 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
6383 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
6385 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
6387 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
6390 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
6392 freq_range
->start_freq_khz
=
6393 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
6394 freq_range
->end_freq_khz
=
6395 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
6396 freq_range
->max_bandwidth_khz
=
6397 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
6399 power_rule
->max_eirp
=
6400 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
6402 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
6403 power_rule
->max_antenna_gain
=
6404 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
6406 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
6407 reg_rule
->dfs_cac_ms
=
6408 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
6413 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
6415 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
6416 struct nlattr
*nl_reg_rule
;
6418 int rem_reg_rules
, r
;
6419 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
6420 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
6421 struct ieee80211_regdomain
*rd
;
6423 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
6426 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
6429 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
6431 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
6432 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
6434 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6437 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
6441 if (!reg_is_valid_request(alpha2
))
6444 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
6445 num_rules
* sizeof(struct ieee80211_reg_rule
);
6447 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
6451 rd
->n_reg_rules
= num_rules
;
6452 rd
->alpha2
[0] = alpha2
[0];
6453 rd
->alpha2
[1] = alpha2
[1];
6456 * Disable DFS master mode if the DFS region was
6457 * not supported or known on this kernel.
6459 if (reg_supported_dfs_region(dfs_region
))
6460 rd
->dfs_region
= dfs_region
;
6462 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6464 r
= nla_parse_nested(tb
, NL80211_REG_RULE_ATTR_MAX
,
6465 nl_reg_rule
, reg_rule_policy
,
6469 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
6475 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
6481 /* set_regdom takes ownership of rd */
6482 return set_regdom(rd
, REGD_SOURCE_CRDA
);
6487 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6489 static int validate_scan_freqs(struct nlattr
*freqs
)
6491 struct nlattr
*attr1
, *attr2
;
6492 int n_channels
= 0, tmp1
, tmp2
;
6494 nla_for_each_nested(attr1
, freqs
, tmp1
)
6495 if (nla_len(attr1
) != sizeof(u32
))
6498 nla_for_each_nested(attr1
, freqs
, tmp1
) {
6501 * Some hardware has a limited channel list for
6502 * scanning, and it is pretty much nonsensical
6503 * to scan for a channel twice, so disallow that
6504 * and don't require drivers to check that the
6505 * channel list they get isn't longer than what
6506 * they can scan, as long as they can scan all
6507 * the channels they registered at once.
6509 nla_for_each_nested(attr2
, freqs
, tmp2
)
6510 if (attr1
!= attr2
&&
6511 nla_get_u32(attr1
) == nla_get_u32(attr2
))
6518 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
6520 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
6523 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
6524 struct cfg80211_bss_selection
*bss_select
)
6526 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
6527 struct nlattr
*nest
;
6532 /* only process one nested attribute */
6533 nest
= nla_data(nla
);
6534 if (!nla_ok(nest
, nla_len(nest
)))
6537 err
= nla_parse_nested(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nest
,
6538 nl80211_bss_select_policy
, NULL
);
6542 /* only one attribute may be given */
6543 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
6551 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
6553 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
6554 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
6556 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
6557 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
6558 bss_select
->param
.band_pref
=
6559 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
6560 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
6564 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
6565 struct nl80211_bss_select_rssi_adjust
*adj_param
;
6567 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
6568 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
6569 bss_select
->param
.adjust
.band
= adj_param
->band
;
6570 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
6571 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
6575 /* user-space did not provide behaviour attribute */
6576 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
6579 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
6585 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
6586 u8
*mac_addr
, u8
*mac_addr_mask
)
6590 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
6591 eth_zero_addr(mac_addr
);
6592 eth_zero_addr(mac_addr_mask
);
6594 mac_addr_mask
[0] = 0x3;
6599 /* need both or none */
6600 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
6603 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
6604 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
6606 /* don't allow or configure an mcast address */
6607 if (!is_multicast_ether_addr(mac_addr_mask
) ||
6608 is_multicast_ether_addr(mac_addr
))
6612 * allow users to pass a MAC address that has bits set outside
6613 * of the mask, but don't bother drivers with having to deal
6616 for (i
= 0; i
< ETH_ALEN
; i
++)
6617 mac_addr
[i
] &= mac_addr_mask
[i
];
6622 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev
*wdev
)
6624 ASSERT_WDEV_LOCK(wdev
);
6626 if (!cfg80211_beaconing_iface_active(wdev
))
6629 if (!(wdev
->chandef
.chan
->flags
& IEEE80211_CHAN_RADAR
))
6632 return regulatory_pre_cac_allowed(wdev
->wiphy
);
6636 nl80211_check_scan_flags(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6637 void *request
, struct nlattr
**attrs
,
6640 u8
*mac_addr
, *mac_addr_mask
;
6642 enum nl80211_feature_flags randomness_flag
;
6644 if (!attrs
[NL80211_ATTR_SCAN_FLAGS
])
6647 if (is_sched_scan
) {
6648 struct cfg80211_sched_scan_request
*req
= request
;
6650 randomness_flag
= wdev
?
6651 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
:
6652 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6653 flags
= &req
->flags
;
6654 mac_addr
= req
->mac_addr
;
6655 mac_addr_mask
= req
->mac_addr_mask
;
6657 struct cfg80211_scan_request
*req
= request
;
6659 randomness_flag
= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
;
6660 flags
= &req
->flags
;
6661 mac_addr
= req
->mac_addr
;
6662 mac_addr_mask
= req
->mac_addr_mask
;
6665 *flags
= nla_get_u32(attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6667 if ((*flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6668 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
))
6671 if (*flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6674 if (!(wiphy
->features
& randomness_flag
) ||
6675 (wdev
&& wdev
->current_bss
))
6678 err
= nl80211_parse_random_mac(attrs
, mac_addr
, mac_addr_mask
);
6683 if ((*flags
& NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME
) &&
6684 !wiphy_ext_feature_isset(wiphy
,
6685 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME
))
6688 if ((*flags
& NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP
) &&
6689 !wiphy_ext_feature_isset(wiphy
,
6690 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP
))
6693 if ((*flags
& NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
) &&
6694 !wiphy_ext_feature_isset(wiphy
,
6695 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
))
6698 if ((*flags
& NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE
) &&
6699 !wiphy_ext_feature_isset(wiphy
,
6700 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE
))
6706 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6708 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6709 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6710 struct cfg80211_scan_request
*request
;
6711 struct nlattr
*attr
;
6712 struct wiphy
*wiphy
;
6713 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
6716 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6719 wiphy
= &rdev
->wiphy
;
6721 if (wdev
->iftype
== NL80211_IFTYPE_NAN
)
6724 if (!rdev
->ops
->scan
)
6727 if (rdev
->scan_req
|| rdev
->scan_msg
) {
6732 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6733 n_channels
= validate_scan_freqs(
6734 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6740 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6743 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
6744 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
6747 if (n_ssids
> wiphy
->max_scan_ssids
) {
6752 if (info
->attrs
[NL80211_ATTR_IE
])
6753 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6757 if (ie_len
> wiphy
->max_scan_ie_len
) {
6762 request
= kzalloc(sizeof(*request
)
6763 + sizeof(*request
->ssids
) * n_ssids
6764 + sizeof(*request
->channels
) * n_channels
6765 + ie_len
, GFP_KERNEL
);
6772 request
->ssids
= (void *)&request
->channels
[n_channels
];
6773 request
->n_ssids
= n_ssids
;
6776 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6778 request
->ie
= (void *)(request
->channels
+ n_channels
);
6782 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6783 /* user specified, bail out if channel not found */
6784 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6785 struct ieee80211_channel
*chan
;
6787 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6794 /* ignore disabled channels */
6795 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6798 request
->channels
[i
] = chan
;
6802 enum nl80211_band band
;
6805 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6808 if (!wiphy
->bands
[band
])
6810 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6811 struct ieee80211_channel
*chan
;
6813 chan
= &wiphy
->bands
[band
]->channels
[j
];
6815 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6818 request
->channels
[i
] = chan
;
6829 request
->n_channels
= i
;
6832 if (!cfg80211_off_channel_oper_allowed(wdev
)) {
6833 struct ieee80211_channel
*chan
;
6835 if (request
->n_channels
!= 1) {
6841 chan
= request
->channels
[0];
6842 if (chan
->center_freq
!= wdev
->chandef
.chan
->center_freq
) {
6852 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6853 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6857 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6858 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6863 if (info
->attrs
[NL80211_ATTR_IE
]) {
6864 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6865 memcpy((void *)request
->ie
,
6866 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6870 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6871 if (wiphy
->bands
[i
])
6873 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6875 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6876 nla_for_each_nested(attr
,
6877 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6879 enum nl80211_band band
= nla_type(attr
);
6881 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6886 if (!wiphy
->bands
[band
])
6889 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6892 &request
->rates
[band
]);
6898 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
6899 if (!wiphy_ext_feature_isset(wiphy
,
6900 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
6906 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
6907 request
->duration_mandatory
=
6908 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
6911 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, info
->attrs
,
6917 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6919 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6920 * BSSID to scan for. This was problematic because that same attribute
6921 * was already used for another purpose (local random MAC address). The
6922 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6923 * compatibility with older userspace components, also use the
6924 * NL80211_ATTR_MAC value here if it can be determined to be used for
6925 * the specific BSSID use case instead of the random MAC address
6926 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6928 if (info
->attrs
[NL80211_ATTR_BSSID
])
6929 memcpy(request
->bssid
,
6930 nla_data(info
->attrs
[NL80211_ATTR_BSSID
]), ETH_ALEN
);
6931 else if (!(request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) &&
6932 info
->attrs
[NL80211_ATTR_MAC
])
6933 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6936 eth_broadcast_addr(request
->bssid
);
6938 request
->wdev
= wdev
;
6939 request
->wiphy
= &rdev
->wiphy
;
6940 request
->scan_start
= jiffies
;
6942 rdev
->scan_req
= request
;
6943 err
= rdev_scan(rdev
, request
);
6946 nl80211_send_scan_start(rdev
, wdev
);
6948 dev_hold(wdev
->netdev
);
6951 rdev
->scan_req
= NULL
;
6959 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6961 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6962 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6964 if (!rdev
->ops
->abort_scan
)
6970 if (!rdev
->scan_req
)
6973 rdev_abort_scan(rdev
, wdev
);
6978 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
6979 struct cfg80211_sched_scan_request
*request
,
6980 struct nlattr
**attrs
)
6982 int tmp
, err
, i
= 0;
6983 struct nlattr
*attr
;
6985 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6989 * If scan plans are not specified,
6990 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
6991 * case one scan plan will be set with the specified scan
6992 * interval and infinite number of iterations.
6994 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
6998 request
->scan_plans
[0].interval
=
6999 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
7000 if (!request
->scan_plans
[0].interval
)
7003 if (request
->scan_plans
[0].interval
>
7004 wiphy
->max_sched_scan_plan_interval
)
7005 request
->scan_plans
[0].interval
=
7006 wiphy
->max_sched_scan_plan_interval
;
7011 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
7012 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
7014 if (WARN_ON(i
>= n_plans
))
7017 err
= nla_parse_nested(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
7018 attr
, nl80211_plan_policy
, NULL
);
7022 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
7025 request
->scan_plans
[i
].interval
=
7026 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
7027 if (!request
->scan_plans
[i
].interval
||
7028 request
->scan_plans
[i
].interval
>
7029 wiphy
->max_sched_scan_plan_interval
)
7032 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
7033 request
->scan_plans
[i
].iterations
=
7034 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
7035 if (!request
->scan_plans
[i
].iterations
||
7036 (request
->scan_plans
[i
].iterations
>
7037 wiphy
->max_sched_scan_plan_iterations
))
7039 } else if (i
< n_plans
- 1) {
7041 * All scan plans but the last one must specify
7042 * a finite number of iterations
7051 * The last scan plan must not specify the number of
7052 * iterations, it is supposed to run infinitely
7054 if (request
->scan_plans
[n_plans
- 1].iterations
)
7060 static struct cfg80211_sched_scan_request
*
7061 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
7062 struct nlattr
**attrs
, int max_match_sets
)
7064 struct cfg80211_sched_scan_request
*request
;
7065 struct nlattr
*attr
;
7066 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
7067 enum nl80211_band band
;
7069 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
7070 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
7072 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
7073 return ERR_PTR(-EINVAL
);
7075 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7076 n_channels
= validate_scan_freqs(
7077 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
7079 return ERR_PTR(-EINVAL
);
7081 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
7084 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
7085 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7089 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
7090 return ERR_PTR(-EINVAL
);
7093 * First, count the number of 'real' matchsets. Due to an issue with
7094 * the old implementation, matchsets containing only the RSSI attribute
7095 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7096 * RSSI for all matchsets, rather than their own matchset for reporting
7097 * all APs with a strong RSSI. This is needed to be compatible with
7098 * older userspace that treated a matchset with only the RSSI as the
7099 * global RSSI for all other matchsets - if there are other matchsets.
7101 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7102 nla_for_each_nested(attr
,
7103 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7105 struct nlattr
*rssi
;
7107 err
= nla_parse_nested(tb
,
7108 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7109 attr
, nl80211_match_policy
,
7112 return ERR_PTR(err
);
7114 /* SSID and BSSID are mutually exclusive */
7115 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] &&
7116 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
])
7117 return ERR_PTR(-EINVAL
);
7119 /* add other standalone attributes here */
7120 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] ||
7121 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
]) {
7125 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7127 default_match_rssi
= nla_get_s32(rssi
);
7131 /* However, if there's no other matchset, add the RSSI one */
7132 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
7135 if (n_match_sets
> max_match_sets
)
7136 return ERR_PTR(-EINVAL
);
7138 if (attrs
[NL80211_ATTR_IE
])
7139 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
7143 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
7144 return ERR_PTR(-EINVAL
);
7146 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7148 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7149 * each scan plan already specifies its own interval
7151 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7152 return ERR_PTR(-EINVAL
);
7154 nla_for_each_nested(attr
,
7155 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
7159 * The scan interval attribute is kept for backward
7160 * compatibility. If no scan plans are specified and sched scan
7161 * interval is specified, one scan plan will be set with this
7162 * scan interval and infinite number of iterations.
7164 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7165 return ERR_PTR(-EINVAL
);
7170 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
7171 return ERR_PTR(-EINVAL
);
7173 if (!wiphy_ext_feature_isset(
7174 wiphy
, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI
) &&
7175 (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] ||
7176 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]))
7177 return ERR_PTR(-EINVAL
);
7179 request
= kzalloc(sizeof(*request
)
7180 + sizeof(*request
->ssids
) * n_ssids
7181 + sizeof(*request
->match_sets
) * n_match_sets
7182 + sizeof(*request
->scan_plans
) * n_plans
7183 + sizeof(*request
->channels
) * n_channels
7184 + ie_len
, GFP_KERNEL
);
7186 return ERR_PTR(-ENOMEM
);
7189 request
->ssids
= (void *)&request
->channels
[n_channels
];
7190 request
->n_ssids
= n_ssids
;
7193 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
7195 request
->ie
= (void *)(request
->channels
+ n_channels
);
7200 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
7202 request
->match_sets
=
7203 (void *)(request
->ssids
+ n_ssids
);
7205 request
->match_sets
=
7206 (void *)(request
->channels
+ n_channels
);
7208 request
->n_match_sets
= n_match_sets
;
7211 request
->scan_plans
= (void *)(request
->match_sets
+
7213 else if (request
->ie
)
7214 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
7216 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
7218 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
7220 request
->n_scan_plans
= n_plans
;
7223 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7224 /* user specified, bail out if channel not found */
7225 nla_for_each_nested(attr
,
7226 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
7228 struct ieee80211_channel
*chan
;
7230 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
7237 /* ignore disabled channels */
7238 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7241 request
->channels
[i
] = chan
;
7246 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7249 if (!wiphy
->bands
[band
])
7251 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
7252 struct ieee80211_channel
*chan
;
7254 chan
= &wiphy
->bands
[band
]->channels
[j
];
7256 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7259 request
->channels
[i
] = chan
;
7270 request
->n_channels
= i
;
7274 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7276 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
7280 request
->ssids
[i
].ssid_len
= nla_len(attr
);
7281 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
7288 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7289 nla_for_each_nested(attr
,
7290 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7292 struct nlattr
*ssid
, *bssid
, *rssi
;
7294 err
= nla_parse_nested(tb
,
7295 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7296 attr
, nl80211_match_policy
,
7300 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
7301 bssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
];
7302 if (ssid
|| bssid
) {
7303 if (WARN_ON(i
>= n_match_sets
)) {
7304 /* this indicates a programming error,
7305 * the loop above should have verified
7313 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
7317 memcpy(request
->match_sets
[i
].ssid
.ssid
,
7318 nla_data(ssid
), nla_len(ssid
));
7319 request
->match_sets
[i
].ssid
.ssid_len
=
7323 if (nla_len(bssid
) != ETH_ALEN
) {
7327 memcpy(request
->match_sets
[i
].bssid
,
7328 nla_data(bssid
), ETH_ALEN
);
7331 /* special attribute - old implementation w/a */
7332 request
->match_sets
[i
].rssi_thold
=
7334 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7336 request
->match_sets
[i
].rssi_thold
=
7342 /* there was no other matchset, so the RSSI one is alone */
7343 if (i
== 0 && n_match_sets
)
7344 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
7346 request
->min_rssi_thold
= INT_MAX
;
7347 for (i
= 0; i
< n_match_sets
; i
++)
7348 request
->min_rssi_thold
=
7349 min(request
->match_sets
[i
].rssi_thold
,
7350 request
->min_rssi_thold
);
7352 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
7356 request
->ie_len
= ie_len
;
7357 memcpy((void *)request
->ie
,
7358 nla_data(attrs
[NL80211_ATTR_IE
]),
7362 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, attrs
, true);
7366 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
7368 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
7370 if (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]) {
7371 request
->relative_rssi
= nla_get_s8(
7372 attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]);
7373 request
->relative_rssi_set
= true;
7376 if (request
->relative_rssi_set
&&
7377 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]) {
7378 struct nl80211_bss_select_rssi_adjust
*rssi_adjust
;
7380 rssi_adjust
= nla_data(
7381 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]);
7382 request
->rssi_adjust
.band
= rssi_adjust
->band
;
7383 request
->rssi_adjust
.delta
= rssi_adjust
->delta
;
7384 if (!is_band_valid(wiphy
, request
->rssi_adjust
.band
)) {
7390 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
7394 request
->scan_start
= jiffies
;
7400 return ERR_PTR(err
);
7403 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
7404 struct genl_info
*info
)
7406 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7407 struct net_device
*dev
= info
->user_ptr
[1];
7408 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7409 struct cfg80211_sched_scan_request
*sched_scan_req
;
7413 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_start
)
7416 want_multi
= info
->attrs
[NL80211_ATTR_SCHED_SCAN_MULTI
];
7417 err
= cfg80211_sched_scan_req_possible(rdev
, want_multi
);
7421 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
7423 rdev
->wiphy
.max_match_sets
);
7425 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
7429 /* leave request id zero for legacy request
7430 * or if driver does not support multi-scheduled scan
7432 if (want_multi
&& rdev
->wiphy
.max_sched_scan_reqs
> 1) {
7433 while (!sched_scan_req
->reqid
)
7434 sched_scan_req
->reqid
= rdev
->wiphy
.cookie_counter
++;
7437 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
7441 sched_scan_req
->dev
= dev
;
7442 sched_scan_req
->wiphy
= &rdev
->wiphy
;
7444 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
7445 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
7447 cfg80211_add_sched_scan_req(rdev
, sched_scan_req
);
7449 nl80211_send_sched_scan(sched_scan_req
, NL80211_CMD_START_SCHED_SCAN
);
7453 kfree(sched_scan_req
);
7458 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
7459 struct genl_info
*info
)
7461 struct cfg80211_sched_scan_request
*req
;
7462 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7465 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_stop
)
7468 if (info
->attrs
[NL80211_ATTR_COOKIE
]) {
7469 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7470 return __cfg80211_stop_sched_scan(rdev
, cookie
, false);
7473 req
= list_first_or_null_rcu(&rdev
->sched_scan_req_list
,
7474 struct cfg80211_sched_scan_request
,
7476 if (!req
|| req
->reqid
||
7477 (req
->owner_nlportid
&&
7478 req
->owner_nlportid
!= info
->snd_portid
))
7481 return cfg80211_stop_sched_scan_req(rdev
, req
, false);
7484 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
7485 struct genl_info
*info
)
7487 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7488 struct net_device
*dev
= info
->user_ptr
[1];
7489 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7490 struct cfg80211_chan_def chandef
;
7491 enum nl80211_dfs_regions dfs_region
;
7492 unsigned int cac_time_ms
;
7495 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
7496 if (dfs_region
== NL80211_DFS_UNSET
)
7499 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7503 if (netif_carrier_ok(dev
))
7506 if (wdev
->cac_started
)
7509 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
7517 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
7520 if (!rdev
->ops
->start_radar_detection
)
7523 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
7524 if (WARN_ON(!cac_time_ms
))
7525 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
7527 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
7529 wdev
->chandef
= chandef
;
7530 wdev
->cac_started
= true;
7531 wdev
->cac_start_time
= jiffies
;
7532 wdev
->cac_time_ms
= cac_time_ms
;
7537 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
7539 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7540 struct net_device
*dev
= info
->user_ptr
[1];
7541 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7542 struct cfg80211_csa_settings params
;
7543 /* csa_attrs is defined static to avoid waste of stack size - this
7544 * function is called under RTNL lock, so this should not be a problem.
7546 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
7548 bool need_new_beacon
= false;
7549 bool need_handle_dfs_flag
= true;
7553 if (!rdev
->ops
->channel_switch
||
7554 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
7557 switch (dev
->ieee80211_ptr
->iftype
) {
7558 case NL80211_IFTYPE_AP
:
7559 case NL80211_IFTYPE_P2P_GO
:
7560 need_new_beacon
= true;
7561 /* For all modes except AP the handle_dfs flag needs to be
7562 * supplied to tell the kernel that userspace will handle radar
7563 * events when they happen. Otherwise a switch to a channel
7564 * requiring DFS will be rejected.
7566 need_handle_dfs_flag
= false;
7568 /* useless if AP is not running */
7569 if (!wdev
->beacon_interval
)
7572 case NL80211_IFTYPE_ADHOC
:
7573 if (!wdev
->ssid_len
)
7576 case NL80211_IFTYPE_MESH_POINT
:
7577 if (!wdev
->mesh_id_len
)
7584 memset(¶ms
, 0, sizeof(params
));
7586 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7587 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
7590 /* only important for AP, IBSS and mesh create IEs internally */
7591 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
7594 /* Even though the attribute is u32, the specification says
7595 * u8, so let's make sure we don't overflow.
7597 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
7601 params
.count
= cs_count
;
7603 if (!need_new_beacon
)
7606 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
7610 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
7611 info
->attrs
[NL80211_ATTR_CSA_IES
],
7612 nl80211_policy
, info
->extack
);
7616 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
7620 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
7623 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7624 if (!len
|| (len
% sizeof(u16
)))
7627 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
7628 if (rdev
->wiphy
.max_num_csa_counters
&&
7629 (params
.n_counter_offsets_beacon
>
7630 rdev
->wiphy
.max_num_csa_counters
))
7633 params
.counter_offsets_beacon
=
7634 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7636 /* sanity checks - counters should fit and be the same */
7637 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
7638 u16 offset
= params
.counter_offsets_beacon
[i
];
7640 if (offset
>= params
.beacon_csa
.tail_len
)
7643 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
7647 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
7648 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7649 if (!len
|| (len
% sizeof(u16
)))
7652 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
7653 if (rdev
->wiphy
.max_num_csa_counters
&&
7654 (params
.n_counter_offsets_presp
>
7655 rdev
->wiphy
.max_num_csa_counters
))
7658 params
.counter_offsets_presp
=
7659 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7661 /* sanity checks - counters should fit and be the same */
7662 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
7663 u16 offset
= params
.counter_offsets_presp
[i
];
7665 if (offset
>= params
.beacon_csa
.probe_resp_len
)
7668 if (params
.beacon_csa
.probe_resp
[offset
] !=
7675 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
7679 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
7683 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
7690 params
.radar_required
= true;
7691 if (need_handle_dfs_flag
&&
7692 !nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
])) {
7697 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
7698 params
.block_tx
= true;
7701 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
7707 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
7709 struct cfg80211_registered_device
*rdev
,
7710 struct wireless_dev
*wdev
,
7711 struct cfg80211_internal_bss
*intbss
)
7713 struct cfg80211_bss
*res
= &intbss
->pub
;
7714 const struct cfg80211_bss_ies
*ies
;
7718 ASSERT_WDEV_LOCK(wdev
);
7720 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
7721 NL80211_CMD_NEW_SCAN_RESULTS
);
7725 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
7727 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
7728 goto nla_put_failure
;
7730 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
7731 goto nla_put_failure
;
7732 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
7734 goto nla_put_failure
;
7736 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
7738 goto nla_put_failure
;
7739 if ((!is_zero_ether_addr(res
->bssid
) &&
7740 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
7741 goto nla_put_failure
;
7744 /* indicate whether we have probe response data or not */
7745 if (rcu_access_pointer(res
->proberesp_ies
) &&
7746 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
7747 goto fail_unlock_rcu
;
7749 /* this pointer prefers to be pointed to probe response data
7750 * but is always valid
7752 ies
= rcu_dereference(res
->ies
);
7754 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
7756 goto fail_unlock_rcu
;
7757 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
7758 ies
->len
, ies
->data
))
7759 goto fail_unlock_rcu
;
7762 /* and this pointer is always (unless driver didn't know) beacon data */
7763 ies
= rcu_dereference(res
->beacon_ies
);
7764 if (ies
&& ies
->from_beacon
) {
7765 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
7767 goto fail_unlock_rcu
;
7768 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
7769 ies
->len
, ies
->data
))
7770 goto fail_unlock_rcu
;
7774 if (res
->beacon_interval
&&
7775 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
7776 goto nla_put_failure
;
7777 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
7778 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
7779 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
7780 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
7781 jiffies_to_msecs(jiffies
- intbss
->ts
)))
7782 goto nla_put_failure
;
7784 if (intbss
->parent_tsf
&&
7785 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
7786 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
7787 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
7788 intbss
->parent_bssid
)))
7789 goto nla_put_failure
;
7791 if (intbss
->ts_boottime
&&
7792 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
7793 intbss
->ts_boottime
, NL80211_BSS_PAD
))
7794 goto nla_put_failure
;
7796 switch (rdev
->wiphy
.signal_type
) {
7797 case CFG80211_SIGNAL_TYPE_MBM
:
7798 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
7799 goto nla_put_failure
;
7801 case CFG80211_SIGNAL_TYPE_UNSPEC
:
7802 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
7803 goto nla_put_failure
;
7809 switch (wdev
->iftype
) {
7810 case NL80211_IFTYPE_P2P_CLIENT
:
7811 case NL80211_IFTYPE_STATION
:
7812 if (intbss
== wdev
->current_bss
&&
7813 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7814 NL80211_BSS_STATUS_ASSOCIATED
))
7815 goto nla_put_failure
;
7817 case NL80211_IFTYPE_ADHOC
:
7818 if (intbss
== wdev
->current_bss
&&
7819 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7820 NL80211_BSS_STATUS_IBSS_JOINED
))
7821 goto nla_put_failure
;
7827 nla_nest_end(msg
, bss
);
7829 genlmsg_end(msg
, hdr
);
7835 genlmsg_cancel(msg
, hdr
);
7839 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7841 struct cfg80211_registered_device
*rdev
;
7842 struct cfg80211_internal_bss
*scan
;
7843 struct wireless_dev
*wdev
;
7844 int start
= cb
->args
[2], idx
= 0;
7848 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7855 spin_lock_bh(&rdev
->bss_lock
);
7856 cfg80211_bss_expire(rdev
);
7858 cb
->seq
= rdev
->bss_generation
;
7860 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7863 if (nl80211_send_bss(skb
, cb
,
7864 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7865 rdev
, wdev
, scan
) < 0) {
7871 spin_unlock_bh(&rdev
->bss_lock
);
7880 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7881 int flags
, struct net_device
*dev
,
7882 bool allow_radio_stats
,
7883 struct survey_info
*survey
)
7886 struct nlattr
*infoattr
;
7888 /* skip radio stats if userspace didn't request them */
7889 if (!survey
->channel
&& !allow_radio_stats
)
7892 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7893 NL80211_CMD_NEW_SURVEY_RESULTS
);
7897 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7898 goto nla_put_failure
;
7900 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7902 goto nla_put_failure
;
7904 if (survey
->channel
&&
7905 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7906 survey
->channel
->center_freq
))
7907 goto nla_put_failure
;
7909 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7910 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7911 goto nla_put_failure
;
7912 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7913 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7914 goto nla_put_failure
;
7915 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7916 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7917 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7918 goto nla_put_failure
;
7919 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7920 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7921 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7922 goto nla_put_failure
;
7923 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7924 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7925 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7926 goto nla_put_failure
;
7927 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7928 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7929 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7930 goto nla_put_failure
;
7931 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7932 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7933 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7934 goto nla_put_failure
;
7935 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7936 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7937 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7938 goto nla_put_failure
;
7940 nla_nest_end(msg
, infoattr
);
7942 genlmsg_end(msg
, hdr
);
7946 genlmsg_cancel(msg
, hdr
);
7950 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7952 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
7953 struct survey_info survey
;
7954 struct cfg80211_registered_device
*rdev
;
7955 struct wireless_dev
*wdev
;
7956 int survey_idx
= cb
->args
[2];
7961 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7965 /* prepare_wdev_dump parsed the attributes */
7966 radio_stats
= attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7968 if (!wdev
->netdev
) {
7973 if (!rdev
->ops
->dump_survey
) {
7979 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
7985 /* don't send disabled channels, but do send non-channel data */
7986 if (survey
.channel
&&
7987 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
7992 if (nl80211_send_survey(skb
,
7993 NETLINK_CB(cb
->skb
).portid
,
7994 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7995 wdev
->netdev
, radio_stats
, &survey
) < 0)
8001 cb
->args
[2] = survey_idx
;
8008 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
8010 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
8011 NL80211_WPA_VERSION_2
));
8014 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8016 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8017 struct net_device
*dev
= info
->user_ptr
[1];
8018 struct ieee80211_channel
*chan
;
8019 const u8
*bssid
, *ssid
, *ie
= NULL
, *auth_data
= NULL
;
8020 int err
, ssid_len
, ie_len
= 0, auth_data_len
= 0;
8021 enum nl80211_auth_type auth_type
;
8022 struct key_parse key
;
8023 bool local_state_change
;
8025 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8028 if (!info
->attrs
[NL80211_ATTR_MAC
])
8031 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
8034 if (!info
->attrs
[NL80211_ATTR_SSID
])
8037 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8040 err
= nl80211_parse_key(info
, &key
);
8045 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
8047 if (!key
.p
.key
|| !key
.p
.key_len
)
8049 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
8050 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
8051 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
8052 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
8065 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
8066 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
8075 if (!rdev
->ops
->auth
)
8078 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8079 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8082 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8083 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8084 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8088 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8089 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8091 if (info
->attrs
[NL80211_ATTR_IE
]) {
8092 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8093 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8096 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8097 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
8100 if ((auth_type
== NL80211_AUTHTYPE_SAE
||
8101 auth_type
== NL80211_AUTHTYPE_FILS_SK
||
8102 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
8103 auth_type
== NL80211_AUTHTYPE_FILS_PK
) &&
8104 !info
->attrs
[NL80211_ATTR_AUTH_DATA
])
8107 if (info
->attrs
[NL80211_ATTR_AUTH_DATA
]) {
8108 if (auth_type
!= NL80211_AUTHTYPE_SAE
&&
8109 auth_type
!= NL80211_AUTHTYPE_FILS_SK
&&
8110 auth_type
!= NL80211_AUTHTYPE_FILS_SK_PFS
&&
8111 auth_type
!= NL80211_AUTHTYPE_FILS_PK
)
8113 auth_data
= nla_data(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8114 auth_data_len
= nla_len(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8115 /* need to include at least Auth Transaction and Status Code */
8116 if (auth_data_len
< 4)
8120 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8123 * Since we no longer track auth state, ignore
8124 * requests to only change local state.
8126 if (local_state_change
)
8129 wdev_lock(dev
->ieee80211_ptr
);
8130 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
8131 ssid
, ssid_len
, ie
, ie_len
,
8132 key
.p
.key
, key
.p
.key_len
, key
.idx
,
8133 auth_data
, auth_data_len
);
8134 wdev_unlock(dev
->ieee80211_ptr
);
8138 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
8139 struct genl_info
*info
,
8140 struct cfg80211_crypto_settings
*settings
,
8143 memset(settings
, 0, sizeof(*settings
));
8145 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
8147 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
8150 proto
= nla_get_u16(
8151 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
8152 settings
->control_port_ethertype
= cpu_to_be16(proto
);
8153 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
8156 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
8157 settings
->control_port_no_encrypt
= true;
8159 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
8161 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
8165 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8166 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8167 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
8169 if (len
% sizeof(u32
))
8172 if (settings
->n_ciphers_pairwise
> cipher_limit
)
8175 memcpy(settings
->ciphers_pairwise
, data
, len
);
8177 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
8178 if (!cfg80211_supported_cipher_suite(
8180 settings
->ciphers_pairwise
[i
]))
8184 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
8185 settings
->cipher_group
=
8186 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
8187 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
8188 settings
->cipher_group
))
8192 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
8193 settings
->wpa_versions
=
8194 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
8195 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
8199 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
8203 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8204 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8205 settings
->n_akm_suites
= len
/ sizeof(u32
);
8207 if (len
% sizeof(u32
))
8210 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
8213 memcpy(settings
->akm_suites
, data
, len
);
8216 if (info
->attrs
[NL80211_ATTR_PMK
]) {
8217 if (nla_len(info
->attrs
[NL80211_ATTR_PMK
]) != WLAN_PMK_LEN
)
8219 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8220 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK
))
8222 settings
->psk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
8228 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
8230 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8231 struct net_device
*dev
= info
->user_ptr
[1];
8232 struct ieee80211_channel
*chan
;
8233 struct cfg80211_assoc_request req
= {};
8234 const u8
*bssid
, *ssid
;
8235 int err
, ssid_len
= 0;
8237 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8240 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
8241 !info
->attrs
[NL80211_ATTR_SSID
] ||
8242 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8245 if (!rdev
->ops
->assoc
)
8248 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8249 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8252 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8254 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8255 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8259 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8260 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8262 if (info
->attrs
[NL80211_ATTR_IE
]) {
8263 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8264 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8267 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8268 enum nl80211_mfp mfp
=
8269 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8270 if (mfp
== NL80211_MFP_REQUIRED
)
8272 else if (mfp
!= NL80211_MFP_NO
)
8276 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8277 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8279 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8280 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
8282 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8283 memcpy(&req
.ht_capa_mask
,
8284 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8285 sizeof(req
.ht_capa_mask
));
8287 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8288 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8290 memcpy(&req
.ht_capa
,
8291 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8292 sizeof(req
.ht_capa
));
8295 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8296 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8298 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8299 memcpy(&req
.vht_capa_mask
,
8300 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8301 sizeof(req
.vht_capa_mask
));
8303 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8304 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8306 memcpy(&req
.vht_capa
,
8307 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8308 sizeof(req
.vht_capa
));
8311 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8312 if (!((rdev
->wiphy
.features
&
8313 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8314 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8315 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8316 NL80211_EXT_FEATURE_RRM
))
8318 req
.flags
|= ASSOC_REQ_USE_RRM
;
8321 if (info
->attrs
[NL80211_ATTR_FILS_KEK
]) {
8322 req
.fils_kek
= nla_data(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8323 req
.fils_kek_len
= nla_len(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8324 if (!info
->attrs
[NL80211_ATTR_FILS_NONCES
])
8327 nla_data(info
->attrs
[NL80211_ATTR_FILS_NONCES
]);
8330 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
8332 wdev_lock(dev
->ieee80211_ptr
);
8334 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
8335 ssid
, ssid_len
, &req
);
8337 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
8338 dev
->ieee80211_ptr
->conn_owner_nlportid
=
8340 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
8344 wdev_unlock(dev
->ieee80211_ptr
);
8350 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8352 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8353 struct net_device
*dev
= info
->user_ptr
[1];
8354 const u8
*ie
= NULL
, *bssid
;
8355 int ie_len
= 0, err
;
8357 bool local_state_change
;
8359 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8362 if (!info
->attrs
[NL80211_ATTR_MAC
])
8365 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8368 if (!rdev
->ops
->deauth
)
8371 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8372 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8375 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8377 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8378 if (reason_code
== 0) {
8379 /* Reason Code 0 is reserved */
8383 if (info
->attrs
[NL80211_ATTR_IE
]) {
8384 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8385 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8388 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8390 wdev_lock(dev
->ieee80211_ptr
);
8391 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8392 local_state_change
);
8393 wdev_unlock(dev
->ieee80211_ptr
);
8397 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
8399 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8400 struct net_device
*dev
= info
->user_ptr
[1];
8401 const u8
*ie
= NULL
, *bssid
;
8402 int ie_len
= 0, err
;
8404 bool local_state_change
;
8406 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8409 if (!info
->attrs
[NL80211_ATTR_MAC
])
8412 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8415 if (!rdev
->ops
->disassoc
)
8418 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8419 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8422 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8424 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8425 if (reason_code
== 0) {
8426 /* Reason Code 0 is reserved */
8430 if (info
->attrs
[NL80211_ATTR_IE
]) {
8431 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8432 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8435 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8437 wdev_lock(dev
->ieee80211_ptr
);
8438 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8439 local_state_change
);
8440 wdev_unlock(dev
->ieee80211_ptr
);
8445 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
8446 int mcast_rate
[NUM_NL80211_BANDS
],
8449 struct wiphy
*wiphy
= &rdev
->wiphy
;
8453 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
8454 struct ieee80211_supported_band
*sband
;
8456 sband
= wiphy
->bands
[band
];
8460 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
8461 if (sband
->bitrates
[i
].bitrate
== rateval
) {
8462 mcast_rate
[band
] = i
+ 1;
8472 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8474 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8475 struct net_device
*dev
= info
->user_ptr
[1];
8476 struct cfg80211_ibss_params ibss
;
8477 struct wiphy
*wiphy
;
8478 struct cfg80211_cached_keys
*connkeys
= NULL
;
8481 memset(&ibss
, 0, sizeof(ibss
));
8483 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8486 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8487 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8490 ibss
.beacon_interval
= 100;
8492 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
])
8493 ibss
.beacon_interval
=
8494 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8496 err
= cfg80211_validate_beacon_int(rdev
, NL80211_IFTYPE_ADHOC
,
8497 ibss
.beacon_interval
);
8501 if (!rdev
->ops
->join_ibss
)
8504 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8507 wiphy
= &rdev
->wiphy
;
8509 if (info
->attrs
[NL80211_ATTR_MAC
]) {
8510 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8512 if (!is_valid_ether_addr(ibss
.bssid
))
8515 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8516 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8518 if (info
->attrs
[NL80211_ATTR_IE
]) {
8519 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8520 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8523 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
8527 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
8528 NL80211_IFTYPE_ADHOC
))
8531 switch (ibss
.chandef
.width
) {
8532 case NL80211_CHAN_WIDTH_5
:
8533 case NL80211_CHAN_WIDTH_10
:
8534 case NL80211_CHAN_WIDTH_20_NOHT
:
8536 case NL80211_CHAN_WIDTH_20
:
8537 case NL80211_CHAN_WIDTH_40
:
8538 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8541 case NL80211_CHAN_WIDTH_80
:
8542 case NL80211_CHAN_WIDTH_80P80
:
8543 case NL80211_CHAN_WIDTH_160
:
8544 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8546 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8547 NL80211_EXT_FEATURE_VHT_IBSS
))
8554 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
8555 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
8557 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8559 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8561 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8562 struct ieee80211_supported_band
*sband
=
8563 wiphy
->bands
[ibss
.chandef
.chan
->band
];
8565 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8571 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8572 memcpy(&ibss
.ht_capa_mask
,
8573 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8574 sizeof(ibss
.ht_capa_mask
));
8576 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8577 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8579 memcpy(&ibss
.ht_capa
,
8580 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8581 sizeof(ibss
.ht_capa
));
8584 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8585 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
8586 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8589 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8592 connkeys
= nl80211_parse_connkeys(rdev
,
8593 info
->attrs
[NL80211_ATTR_KEYS
],
8595 if (IS_ERR(connkeys
))
8596 return PTR_ERR(connkeys
);
8598 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
8606 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
8608 ibss
.userspace_handles_dfs
=
8609 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
8611 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
8617 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8619 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8620 struct net_device
*dev
= info
->user_ptr
[1];
8622 if (!rdev
->ops
->leave_ibss
)
8625 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8628 return cfg80211_leave_ibss(rdev
, dev
, false);
8631 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
8633 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8634 struct net_device
*dev
= info
->user_ptr
[1];
8635 int mcast_rate
[NUM_NL80211_BANDS
];
8639 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
8640 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
8641 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
8644 if (!rdev
->ops
->set_mcast_rate
)
8647 memset(mcast_rate
, 0, sizeof(mcast_rate
));
8649 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
8652 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
8653 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
8656 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
8661 static struct sk_buff
*
8662 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
8663 struct wireless_dev
*wdev
, int approxlen
,
8664 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
8665 enum nl80211_attrs attr
,
8666 const struct nl80211_vendor_cmd_info
*info
,
8669 struct sk_buff
*skb
;
8671 struct nlattr
*data
;
8673 skb
= nlmsg_new(approxlen
+ 100, gfp
);
8677 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
8683 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
8684 goto nla_put_failure
;
8687 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
8689 goto nla_put_failure
;
8690 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
8692 goto nla_put_failure
;
8696 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
8697 wdev_id(wdev
), NL80211_ATTR_PAD
))
8698 goto nla_put_failure
;
8700 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
8701 wdev
->netdev
->ifindex
))
8702 goto nla_put_failure
;
8705 data
= nla_nest_start(skb
, attr
);
8707 goto nla_put_failure
;
8709 ((void **)skb
->cb
)[0] = rdev
;
8710 ((void **)skb
->cb
)[1] = hdr
;
8711 ((void **)skb
->cb
)[2] = data
;
8720 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
8721 struct wireless_dev
*wdev
,
8722 enum nl80211_commands cmd
,
8723 enum nl80211_attrs attr
,
8724 int vendor_event_idx
,
8725 int approxlen
, gfp_t gfp
)
8727 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
8728 const struct nl80211_vendor_cmd_info
*info
;
8731 case NL80211_CMD_TESTMODE
:
8732 if (WARN_ON(vendor_event_idx
!= -1))
8736 case NL80211_CMD_VENDOR
:
8737 if (WARN_ON(vendor_event_idx
< 0 ||
8738 vendor_event_idx
>= wiphy
->n_vendor_events
))
8740 info
= &wiphy
->vendor_events
[vendor_event_idx
];
8747 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
8748 cmd
, attr
, info
, gfp
);
8750 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
8752 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
8754 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8755 void *hdr
= ((void **)skb
->cb
)[1];
8756 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8757 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
8759 /* clear CB data for netlink core to own from now on */
8760 memset(skb
->cb
, 0, sizeof(skb
->cb
));
8762 nla_nest_end(skb
, data
);
8763 genlmsg_end(skb
, hdr
);
8765 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
8766 mcgrp
= NL80211_MCGRP_VENDOR
;
8768 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
8771 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
8773 #ifdef CONFIG_NL80211_TESTMODE
8774 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
8776 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8777 struct wireless_dev
*wdev
=
8778 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8781 if (!rdev
->ops
->testmode_cmd
)
8785 err
= PTR_ERR(wdev
);
8789 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8793 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
8796 rdev
->cur_cmd_info
= info
;
8797 err
= rdev_testmode_cmd(rdev
, wdev
,
8798 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
8799 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
8800 rdev
->cur_cmd_info
= NULL
;
8805 static int nl80211_testmode_dump(struct sk_buff
*skb
,
8806 struct netlink_callback
*cb
)
8808 struct cfg80211_registered_device
*rdev
;
8818 * 0 is a valid index, but not valid for args[0],
8819 * so we need to offset by 1.
8821 phy_idx
= cb
->args
[0] - 1;
8823 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
8829 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
8831 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
8832 attrbuf
, nl80211_fam
.maxattr
,
8833 nl80211_policy
, NULL
);
8837 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
8839 err
= PTR_ERR(rdev
);
8842 phy_idx
= rdev
->wiphy_idx
;
8844 if (attrbuf
[NL80211_ATTR_TESTDATA
])
8845 cb
->args
[1] = (long)attrbuf
[NL80211_ATTR_TESTDATA
];
8849 data
= nla_data((void *)cb
->args
[1]);
8850 data_len
= nla_len((void *)cb
->args
[1]);
8853 if (!rdev
->ops
->testmode_dump
) {
8859 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
8860 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8861 NL80211_CMD_TESTMODE
);
8862 struct nlattr
*tmdata
;
8867 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
8868 genlmsg_cancel(skb
, hdr
);
8872 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
8874 genlmsg_cancel(skb
, hdr
);
8877 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
8878 nla_nest_end(skb
, tmdata
);
8880 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
8881 genlmsg_cancel(skb
, hdr
);
8884 genlmsg_cancel(skb
, hdr
);
8888 genlmsg_end(skb
, hdr
);
8893 cb
->args
[0] = phy_idx
+ 1;
8900 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8902 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8903 struct net_device
*dev
= info
->user_ptr
[1];
8904 struct cfg80211_connect_params connect
;
8905 struct wiphy
*wiphy
;
8906 struct cfg80211_cached_keys
*connkeys
= NULL
;
8909 memset(&connect
, 0, sizeof(connect
));
8911 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8914 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8915 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8918 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8920 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8921 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8922 NL80211_CMD_CONNECT
))
8925 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8927 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8929 if (info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
] &&
8930 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8931 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
8933 connect
.want_1x
= info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
];
8935 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8936 NL80211_MAX_NR_CIPHER_SUITES
);
8940 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8941 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8944 wiphy
= &rdev
->wiphy
;
8946 connect
.bg_scan_period
= -1;
8947 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8948 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8949 connect
.bg_scan_period
=
8950 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8953 if (info
->attrs
[NL80211_ATTR_MAC
])
8954 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8955 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8956 connect
.bssid_hint
=
8957 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8958 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8959 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8961 if (info
->attrs
[NL80211_ATTR_IE
]) {
8962 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8963 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8966 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8967 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8968 if (connect
.mfp
== NL80211_MFP_OPTIONAL
&&
8969 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8970 NL80211_EXT_FEATURE_MFP_OPTIONAL
))
8973 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
8974 connect
.mfp
!= NL80211_MFP_NO
&&
8975 connect
.mfp
!= NL80211_MFP_OPTIONAL
)
8978 connect
.mfp
= NL80211_MFP_NO
;
8981 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8982 connect
.prev_bssid
=
8983 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8985 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8986 connect
.channel
= nl80211_get_valid_chan(
8987 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8988 if (!connect
.channel
)
8990 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
8991 connect
.channel_hint
= nl80211_get_valid_chan(
8992 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
8993 if (!connect
.channel_hint
)
8997 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8998 connkeys
= nl80211_parse_connkeys(rdev
,
8999 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
9000 if (IS_ERR(connkeys
))
9001 return PTR_ERR(connkeys
);
9004 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
9005 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
9007 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
9008 memcpy(&connect
.ht_capa_mask
,
9009 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
9010 sizeof(connect
.ht_capa_mask
));
9012 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
9013 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
9017 memcpy(&connect
.ht_capa
,
9018 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
9019 sizeof(connect
.ht_capa
));
9022 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
9023 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
9025 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
9026 memcpy(&connect
.vht_capa_mask
,
9027 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
9028 sizeof(connect
.vht_capa_mask
));
9030 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
9031 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
9035 memcpy(&connect
.vht_capa
,
9036 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
9037 sizeof(connect
.vht_capa
));
9040 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
9041 if (!((rdev
->wiphy
.features
&
9042 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
9043 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
9044 !wiphy_ext_feature_isset(&rdev
->wiphy
,
9045 NL80211_EXT_FEATURE_RRM
)) {
9049 connect
.flags
|= ASSOC_REQ_USE_RRM
;
9052 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
9053 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
9058 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
9059 /* bss selection makes no sense if bssid is set */
9060 if (connect
.bssid
) {
9065 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
9066 wiphy
, &connect
.bss_select
);
9073 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
9074 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
9075 info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] &&
9076 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] &&
9077 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] &&
9078 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9079 connect
.fils_erp_username
=
9080 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9081 connect
.fils_erp_username_len
=
9082 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9083 connect
.fils_erp_realm
=
9084 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9085 connect
.fils_erp_realm_len
=
9086 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9087 connect
.fils_erp_next_seq_num
=
9089 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
]);
9090 connect
.fils_erp_rrk
=
9091 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9092 connect
.fils_erp_rrk_len
=
9093 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9094 } else if (info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] ||
9095 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] ||
9096 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] ||
9097 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9102 wdev_lock(dev
->ieee80211_ptr
);
9104 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
9105 connect
.prev_bssid
);
9109 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
9110 dev
->ieee80211_ptr
->conn_owner_nlportid
= info
->snd_portid
;
9112 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
9113 connect
.bssid
, ETH_ALEN
);
9115 memset(dev
->ieee80211_ptr
->disconnect_bssid
,
9119 wdev_unlock(dev
->ieee80211_ptr
);
9124 static int nl80211_update_connect_params(struct sk_buff
*skb
,
9125 struct genl_info
*info
)
9127 struct cfg80211_connect_params connect
= {};
9128 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9129 struct net_device
*dev
= info
->user_ptr
[1];
9130 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9134 if (!rdev
->ops
->update_connect_params
)
9137 if (info
->attrs
[NL80211_ATTR_IE
]) {
9138 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9140 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9141 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9142 changed
|= UPDATE_ASSOC_IES
;
9145 wdev_lock(dev
->ieee80211_ptr
);
9146 if (!wdev
->current_bss
)
9149 ret
= rdev_update_connect_params(rdev
, dev
, &connect
, changed
);
9150 wdev_unlock(dev
->ieee80211_ptr
);
9155 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
9157 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9158 struct net_device
*dev
= info
->user_ptr
[1];
9162 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
9163 reason
= WLAN_REASON_DEAUTH_LEAVING
;
9165 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
9170 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9171 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9174 wdev_lock(dev
->ieee80211_ptr
);
9175 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
9176 wdev_unlock(dev
->ieee80211_ptr
);
9180 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
9182 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9186 if (info
->attrs
[NL80211_ATTR_PID
]) {
9187 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
9189 net
= get_net_ns_by_pid(pid
);
9190 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
9191 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
9193 net
= get_net_ns_by_fd(fd
);
9199 return PTR_ERR(net
);
9203 /* check if anything to do */
9204 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
9205 err
= cfg80211_switch_netns(rdev
, net
);
9211 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9213 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9214 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
9215 struct cfg80211_pmksa
*pmksa
) = NULL
;
9216 struct net_device
*dev
= info
->user_ptr
[1];
9217 struct cfg80211_pmksa pmksa
;
9219 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
9221 if (!info
->attrs
[NL80211_ATTR_PMKID
])
9224 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
9226 if (info
->attrs
[NL80211_ATTR_MAC
]) {
9227 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9228 } else if (info
->attrs
[NL80211_ATTR_SSID
] &&
9229 info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
] &&
9230 (info
->genlhdr
->cmd
== NL80211_CMD_DEL_PMKSA
||
9231 info
->attrs
[NL80211_ATTR_PMK
])) {
9232 pmksa
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
9233 pmksa
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
9235 nla_data(info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
]);
9239 if (info
->attrs
[NL80211_ATTR_PMK
]) {
9240 pmksa
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
9241 pmksa
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
9244 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9245 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9248 switch (info
->genlhdr
->cmd
) {
9249 case NL80211_CMD_SET_PMKSA
:
9250 rdev_ops
= rdev
->ops
->set_pmksa
;
9252 case NL80211_CMD_DEL_PMKSA
:
9253 rdev_ops
= rdev
->ops
->del_pmksa
;
9263 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
9266 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9268 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9269 struct net_device
*dev
= info
->user_ptr
[1];
9271 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9272 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9275 if (!rdev
->ops
->flush_pmksa
)
9278 return rdev_flush_pmksa(rdev
, dev
);
9281 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9283 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9284 struct net_device
*dev
= info
->user_ptr
[1];
9285 u8 action_code
, dialog_token
;
9286 u32 peer_capability
= 0;
9291 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9292 !rdev
->ops
->tdls_mgmt
)
9295 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
9296 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
9297 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
9298 !info
->attrs
[NL80211_ATTR_IE
] ||
9299 !info
->attrs
[NL80211_ATTR_MAC
])
9302 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9303 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
9304 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
9305 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
9306 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
9307 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
9309 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
9311 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
9312 dialog_token
, status_code
, peer_capability
,
9314 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
9315 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
9318 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
9320 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9321 struct net_device
*dev
= info
->user_ptr
[1];
9322 enum nl80211_tdls_operation operation
;
9325 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9326 !rdev
->ops
->tdls_oper
)
9329 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
9330 !info
->attrs
[NL80211_ATTR_MAC
])
9333 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
9334 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9336 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
9339 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
9340 struct genl_info
*info
)
9342 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9343 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9344 struct cfg80211_chan_def chandef
;
9345 const struct cfg80211_chan_def
*compat_chandef
;
9346 struct sk_buff
*msg
;
9352 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
9353 !info
->attrs
[NL80211_ATTR_DURATION
])
9356 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9358 if (!rdev
->ops
->remain_on_channel
||
9359 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
9363 * We should be on that channel for at least a minimum amount of
9364 * time (10ms) but no longer than the driver supports.
9366 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9367 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
9370 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9375 if (!cfg80211_off_channel_oper_allowed(wdev
) &&
9376 !cfg80211_chandef_identical(&wdev
->chandef
, &chandef
)) {
9377 compat_chandef
= cfg80211_chandef_compatible(&wdev
->chandef
,
9379 if (compat_chandef
!= &chandef
) {
9386 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9390 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9391 NL80211_CMD_REMAIN_ON_CHANNEL
);
9397 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
9403 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9405 goto nla_put_failure
;
9407 genlmsg_end(msg
, hdr
);
9409 return genlmsg_reply(msg
, info
);
9418 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
9419 struct genl_info
*info
)
9421 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9422 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9425 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9428 if (!rdev
->ops
->cancel_remain_on_channel
)
9431 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9433 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
9436 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
9437 struct genl_info
*info
)
9439 struct cfg80211_bitrate_mask mask
;
9440 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9441 struct net_device
*dev
= info
->user_ptr
[1];
9444 if (!rdev
->ops
->set_bitrate_mask
)
9447 err
= nl80211_parse_tx_bitrate_mask(info
, &mask
);
9451 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
9454 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9456 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9457 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9458 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
9460 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
9463 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
9464 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
9466 switch (wdev
->iftype
) {
9467 case NL80211_IFTYPE_STATION
:
9468 case NL80211_IFTYPE_ADHOC
:
9469 case NL80211_IFTYPE_P2P_CLIENT
:
9470 case NL80211_IFTYPE_AP
:
9471 case NL80211_IFTYPE_AP_VLAN
:
9472 case NL80211_IFTYPE_MESH_POINT
:
9473 case NL80211_IFTYPE_P2P_GO
:
9474 case NL80211_IFTYPE_P2P_DEVICE
:
9476 case NL80211_IFTYPE_NAN
:
9481 /* not much point in registering if we can't reply */
9482 if (!rdev
->ops
->mgmt_tx
)
9485 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
9486 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
9487 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
9490 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9492 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9493 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9494 struct cfg80211_chan_def chandef
;
9498 struct sk_buff
*msg
= NULL
;
9499 struct cfg80211_mgmt_tx_params params
= {
9500 .dont_wait_for_ack
=
9501 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
9504 if (!info
->attrs
[NL80211_ATTR_FRAME
])
9507 if (!rdev
->ops
->mgmt_tx
)
9510 switch (wdev
->iftype
) {
9511 case NL80211_IFTYPE_P2P_DEVICE
:
9512 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
9514 case NL80211_IFTYPE_STATION
:
9515 case NL80211_IFTYPE_ADHOC
:
9516 case NL80211_IFTYPE_P2P_CLIENT
:
9517 case NL80211_IFTYPE_AP
:
9518 case NL80211_IFTYPE_AP_VLAN
:
9519 case NL80211_IFTYPE_MESH_POINT
:
9520 case NL80211_IFTYPE_P2P_GO
:
9522 case NL80211_IFTYPE_NAN
:
9527 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
9528 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9530 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9533 * We should wait on the channel for at least a minimum amount
9534 * of time (10ms) but no longer than the driver supports.
9536 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9537 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
9541 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
9543 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9546 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
9548 /* get the channel if any has been specified, otherwise pass NULL to
9549 * the driver. The latter will use the current one
9551 chandef
.chan
= NULL
;
9552 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9553 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9558 if (!chandef
.chan
&& params
.offchan
)
9562 if (params
.offchan
&& !cfg80211_off_channel_oper_allowed(wdev
)) {
9568 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
9569 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
9571 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
9572 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9575 if (len
% sizeof(u16
))
9578 params
.n_csa_offsets
= len
/ sizeof(u16
);
9579 params
.csa_offsets
=
9580 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9582 /* check that all the offsets fit the frame */
9583 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
9584 if (params
.csa_offsets
[i
] >= params
.len
)
9589 if (!params
.dont_wait_for_ack
) {
9590 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9594 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9602 params
.chan
= chandef
.chan
;
9603 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
9608 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9610 goto nla_put_failure
;
9612 genlmsg_end(msg
, hdr
);
9613 return genlmsg_reply(msg
, info
);
9625 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
9627 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9628 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9631 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9634 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
9637 switch (wdev
->iftype
) {
9638 case NL80211_IFTYPE_STATION
:
9639 case NL80211_IFTYPE_ADHOC
:
9640 case NL80211_IFTYPE_P2P_CLIENT
:
9641 case NL80211_IFTYPE_AP
:
9642 case NL80211_IFTYPE_AP_VLAN
:
9643 case NL80211_IFTYPE_P2P_GO
:
9644 case NL80211_IFTYPE_P2P_DEVICE
:
9646 case NL80211_IFTYPE_NAN
:
9651 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9653 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
9656 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9658 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9659 struct wireless_dev
*wdev
;
9660 struct net_device
*dev
= info
->user_ptr
[1];
9665 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
9668 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
9670 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
9673 wdev
= dev
->ieee80211_ptr
;
9675 if (!rdev
->ops
->set_power_mgmt
)
9678 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
9680 if (state
== wdev
->ps
)
9683 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
9689 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9691 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9692 enum nl80211_ps_state ps_state
;
9693 struct wireless_dev
*wdev
;
9694 struct net_device
*dev
= info
->user_ptr
[1];
9695 struct sk_buff
*msg
;
9699 wdev
= dev
->ieee80211_ptr
;
9701 if (!rdev
->ops
->set_power_mgmt
)
9704 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9708 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9709 NL80211_CMD_GET_POWER_SAVE
);
9716 ps_state
= NL80211_PS_ENABLED
;
9718 ps_state
= NL80211_PS_DISABLED
;
9720 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
9721 goto nla_put_failure
;
9723 genlmsg_end(msg
, hdr
);
9724 return genlmsg_reply(msg
, info
);
9733 static const struct nla_policy
9734 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
9735 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_BINARY
},
9736 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
9737 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
9738 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
9739 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
9740 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
9741 [NL80211_ATTR_CQM_RSSI_LEVEL
] = { .type
= NLA_S32
},
9744 static int nl80211_set_cqm_txe(struct genl_info
*info
,
9745 u32 rate
, u32 pkts
, u32 intvl
)
9747 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9748 struct net_device
*dev
= info
->user_ptr
[1];
9749 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9751 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
9754 if (!rdev
->ops
->set_cqm_txe_config
)
9757 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9758 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9761 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
9764 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device
*rdev
,
9765 struct net_device
*dev
)
9767 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9768 s32 last
, low
, high
;
9773 /* RSSI reporting disabled? */
9774 if (!wdev
->cqm_config
)
9775 return rdev_set_cqm_rssi_range_config(rdev
, dev
, 0, 0);
9778 * Obtain current RSSI value if possible, if not and no RSSI threshold
9779 * event has been received yet, we should receive an event after a
9780 * connection is established and enough beacons received to calculate
9783 if (!wdev
->cqm_config
->last_rssi_event_value
&& wdev
->current_bss
&&
9784 rdev
->ops
->get_station
) {
9785 struct station_info sinfo
;
9788 mac_addr
= wdev
->current_bss
->pub
.bssid
;
9790 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
9794 if (sinfo
.filled
& BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
))
9795 wdev
->cqm_config
->last_rssi_event_value
=
9796 (s8
) sinfo
.rx_beacon_signal_avg
;
9799 last
= wdev
->cqm_config
->last_rssi_event_value
;
9800 hyst
= wdev
->cqm_config
->rssi_hyst
;
9801 n
= wdev
->cqm_config
->n_rssi_thresholds
;
9803 for (i
= 0; i
< n
; i
++)
9804 if (last
< wdev
->cqm_config
->rssi_thresholds
[i
])
9808 (wdev
->cqm_config
->rssi_thresholds
[i
- 1] - hyst
) : S32_MIN
;
9810 (wdev
->cqm_config
->rssi_thresholds
[i
] + hyst
- 1) : S32_MAX
;
9812 return rdev_set_cqm_rssi_range_config(rdev
, dev
, low
, high
);
9815 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
9816 const s32
*thresholds
, int n_thresholds
,
9819 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9820 struct net_device
*dev
= info
->user_ptr
[1];
9821 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9825 /* Check all values negative and sorted */
9826 for (i
= 0; i
< n_thresholds
; i
++) {
9827 if (thresholds
[i
] > 0 || thresholds
[i
] <= prev
)
9830 prev
= thresholds
[i
];
9833 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9834 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9838 cfg80211_cqm_config_free(wdev
);
9841 if (n_thresholds
<= 1 && rdev
->ops
->set_cqm_rssi_config
) {
9842 if (n_thresholds
== 0 || thresholds
[0] == 0) /* Disabling */
9843 return rdev_set_cqm_rssi_config(rdev
, dev
, 0, 0);
9845 return rdev_set_cqm_rssi_config(rdev
, dev
,
9846 thresholds
[0], hysteresis
);
9849 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
9850 NL80211_EXT_FEATURE_CQM_RSSI_LIST
))
9853 if (n_thresholds
== 1 && thresholds
[0] == 0) /* Disabling */
9858 struct cfg80211_cqm_config
*cqm_config
;
9860 cqm_config
= kzalloc(sizeof(struct cfg80211_cqm_config
) +
9861 n_thresholds
* sizeof(s32
), GFP_KERNEL
);
9867 cqm_config
->rssi_hyst
= hysteresis
;
9868 cqm_config
->n_rssi_thresholds
= n_thresholds
;
9869 memcpy(cqm_config
->rssi_thresholds
, thresholds
,
9870 n_thresholds
* sizeof(s32
));
9872 wdev
->cqm_config
= cqm_config
;
9875 err
= cfg80211_cqm_rssi_update(rdev
, dev
);
9883 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
9885 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
9889 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
9893 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
9894 nl80211_attr_cqm_policy
, info
->extack
);
9898 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9899 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9900 const s32
*thresholds
=
9901 nla_data(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9902 int len
= nla_len(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9903 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9908 return nl80211_set_cqm_rssi(info
, thresholds
, len
/ 4,
9912 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9913 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9914 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9915 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9916 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9917 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9919 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9925 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9927 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9928 struct net_device
*dev
= info
->user_ptr
[1];
9929 struct ocb_setup setup
= {};
9932 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9936 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9939 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9941 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9942 struct net_device
*dev
= info
->user_ptr
[1];
9944 return cfg80211_leave_ocb(rdev
, dev
);
9947 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9949 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9950 struct net_device
*dev
= info
->user_ptr
[1];
9951 struct mesh_config cfg
;
9952 struct mesh_setup setup
;
9955 /* start with default */
9956 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9957 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9959 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9960 /* and parse parameters if given */
9961 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9966 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9967 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9970 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9971 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9973 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9974 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
9975 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
9978 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
9979 setup
.beacon_interval
=
9980 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
9982 err
= cfg80211_validate_beacon_int(rdev
,
9983 NL80211_IFTYPE_MESH_POINT
,
9984 setup
.beacon_interval
);
9989 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
9991 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
9992 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
9996 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
9997 /* parse additional setup parameters if given */
9998 err
= nl80211_parse_mesh_setup(info
, &setup
);
10003 if (setup
.user_mpm
)
10004 cfg
.auto_open_plinks
= false;
10006 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
10007 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
10011 /* cfg80211_join_mesh() will sort it out */
10012 setup
.chandef
.chan
= NULL
;
10015 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
10016 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10018 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10019 struct ieee80211_supported_band
*sband
;
10021 if (!setup
.chandef
.chan
)
10024 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
10026 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
10027 &setup
.basic_rates
);
10032 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
10033 err
= nl80211_parse_tx_bitrate_mask(info
, &setup
.beacon_rate
);
10037 if (!setup
.chandef
.chan
)
10040 err
= validate_beacon_tx_rate(rdev
, setup
.chandef
.chan
->band
,
10041 &setup
.beacon_rate
);
10046 setup
.userspace_handles_dfs
=
10047 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
10049 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
10052 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
10054 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10055 struct net_device
*dev
= info
->user_ptr
[1];
10057 return cfg80211_leave_mesh(rdev
, dev
);
10061 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
10062 struct cfg80211_registered_device
*rdev
)
10064 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
10065 struct nlattr
*nl_pats
, *nl_pat
;
10068 if (!wowlan
->n_patterns
)
10071 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
10075 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
10076 nl_pat
= nla_nest_start(msg
, i
+ 1);
10079 pat_len
= wowlan
->patterns
[i
].pattern_len
;
10080 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
10081 wowlan
->patterns
[i
].mask
) ||
10082 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10083 wowlan
->patterns
[i
].pattern
) ||
10084 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10085 wowlan
->patterns
[i
].pkt_offset
))
10087 nla_nest_end(msg
, nl_pat
);
10089 nla_nest_end(msg
, nl_pats
);
10094 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
10095 struct cfg80211_wowlan_tcp
*tcp
)
10097 struct nlattr
*nl_tcp
;
10102 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
10106 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
10107 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
10108 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
10109 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
10110 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
10111 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
10112 tcp
->payload_len
, tcp
->payload
) ||
10113 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
10114 tcp
->data_interval
) ||
10115 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
10116 tcp
->wake_len
, tcp
->wake_data
) ||
10117 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
10118 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
10121 if (tcp
->payload_seq
.len
&&
10122 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
10123 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
10126 if (tcp
->payload_tok
.len
&&
10127 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
10128 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
10129 &tcp
->payload_tok
))
10132 nla_nest_end(msg
, nl_tcp
);
10137 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
10138 struct cfg80211_sched_scan_request
*req
)
10140 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
10146 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
10150 if (req
->n_scan_plans
== 1 &&
10151 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
10152 req
->scan_plans
[0].interval
* 1000))
10155 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
10158 if (req
->relative_rssi_set
) {
10159 struct nl80211_bss_select_rssi_adjust rssi_adjust
;
10161 if (nla_put_s8(msg
, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
,
10162 req
->relative_rssi
))
10165 rssi_adjust
.band
= req
->rssi_adjust
.band
;
10166 rssi_adjust
.delta
= req
->rssi_adjust
.delta
;
10167 if (nla_put(msg
, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
,
10168 sizeof(rssi_adjust
), &rssi_adjust
))
10172 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10176 for (i
= 0; i
< req
->n_channels
; i
++) {
10177 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10181 nla_nest_end(msg
, freqs
);
10183 if (req
->n_match_sets
) {
10184 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
10188 for (i
= 0; i
< req
->n_match_sets
; i
++) {
10189 match
= nla_nest_start(msg
, i
);
10193 if (nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
10194 req
->match_sets
[i
].ssid
.ssid_len
,
10195 req
->match_sets
[i
].ssid
.ssid
))
10197 nla_nest_end(msg
, match
);
10199 nla_nest_end(msg
, matches
);
10202 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
10206 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
10207 scan_plan
= nla_nest_start(msg
, i
+ 1);
10212 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
10213 req
->scan_plans
[i
].interval
) ||
10214 (req
->scan_plans
[i
].iterations
&&
10215 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
10216 req
->scan_plans
[i
].iterations
)))
10218 nla_nest_end(msg
, scan_plan
);
10220 nla_nest_end(msg
, scan_plans
);
10222 nla_nest_end(msg
, nd
);
10227 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10229 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10230 struct sk_buff
*msg
;
10232 u32 size
= NLMSG_DEFAULT_SIZE
;
10234 if (!rdev
->wiphy
.wowlan
)
10235 return -EOPNOTSUPP
;
10237 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
10238 /* adjust size to have room for all the data */
10239 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
10240 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
10241 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
10242 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
10245 msg
= nlmsg_new(size
, GFP_KERNEL
);
10249 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10250 NL80211_CMD_GET_WOWLAN
);
10252 goto nla_put_failure
;
10254 if (rdev
->wiphy
.wowlan_config
) {
10255 struct nlattr
*nl_wowlan
;
10257 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
10259 goto nla_put_failure
;
10261 if ((rdev
->wiphy
.wowlan_config
->any
&&
10262 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
10263 (rdev
->wiphy
.wowlan_config
->disconnect
&&
10264 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
10265 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
10266 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
10267 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
10268 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
10269 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
10270 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
10271 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
10272 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
10273 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
10274 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
10275 goto nla_put_failure
;
10277 if (nl80211_send_wowlan_patterns(msg
, rdev
))
10278 goto nla_put_failure
;
10280 if (nl80211_send_wowlan_tcp(msg
,
10281 rdev
->wiphy
.wowlan_config
->tcp
))
10282 goto nla_put_failure
;
10284 if (nl80211_send_wowlan_nd(
10286 rdev
->wiphy
.wowlan_config
->nd_config
))
10287 goto nla_put_failure
;
10289 nla_nest_end(msg
, nl_wowlan
);
10292 genlmsg_end(msg
, hdr
);
10293 return genlmsg_reply(msg
, info
);
10300 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
10301 struct nlattr
*attr
,
10302 struct cfg80211_wowlan
*trig
)
10304 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
10305 struct cfg80211_wowlan_tcp
*cfg
;
10306 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
10307 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
10309 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
10312 if (!rdev
->wiphy
.wowlan
->tcp
)
10315 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TCP
, attr
,
10316 nl80211_wowlan_tcp_policy
, NULL
);
10320 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
10321 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
10322 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
10323 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
10324 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
10325 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
10326 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
10327 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
10330 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
10331 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
10334 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
10335 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
10336 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
10339 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
10340 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
10343 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
10344 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
10347 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
10348 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10350 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10351 tokens_size
= tokln
- sizeof(*tok
);
10353 if (!tok
->len
|| tokens_size
% tok
->len
)
10355 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
10357 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
10359 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
10361 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
10363 if (tok
->offset
+ tok
->len
> data_size
)
10367 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
10368 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
10369 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
10371 if (seq
->len
== 0 || seq
->len
> 4)
10373 if (seq
->len
+ seq
->offset
> data_size
)
10377 size
= sizeof(*cfg
);
10379 size
+= wake_size
+ wake_mask_size
;
10380 size
+= tokens_size
;
10382 cfg
= kzalloc(size
, GFP_KERNEL
);
10385 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
10386 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
10387 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
10389 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
10390 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
10394 /* allocate a socket and port for it and use it */
10395 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
10396 IPPROTO_TCP
, &cfg
->sock
, 1);
10401 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
10402 sock_release(cfg
->sock
);
10404 return -EADDRINUSE
;
10406 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
10412 cfg
->src_port
= port
;
10415 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
10416 cfg
->payload_len
= data_size
;
10417 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
10418 memcpy((void *)cfg
->payload
,
10419 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
10422 cfg
->payload_seq
= *seq
;
10423 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
10424 cfg
->wake_len
= wake_size
;
10425 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
10426 memcpy((void *)cfg
->wake_data
,
10427 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
10429 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
10430 data_size
+ wake_size
;
10431 memcpy((void *)cfg
->wake_mask
,
10432 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
10435 cfg
->tokens_size
= tokens_size
;
10436 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
10444 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
10445 const struct wiphy_wowlan_support
*wowlan
,
10446 struct nlattr
*attr
,
10447 struct cfg80211_wowlan
*trig
)
10449 struct nlattr
**tb
;
10452 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
10456 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
10461 err
= nla_parse_nested(tb
, NL80211_ATTR_MAX
, attr
, nl80211_policy
,
10466 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
,
10467 wowlan
->max_nd_match_sets
);
10468 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
10470 trig
->nd_config
= NULL
;
10477 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10479 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10480 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
10481 struct cfg80211_wowlan new_triggers
= {};
10482 struct cfg80211_wowlan
*ntrig
;
10483 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
10485 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
10486 bool regular
= false;
10489 return -EOPNOTSUPP
;
10491 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
10492 cfg80211_rdev_free_wowlan(rdev
);
10493 rdev
->wiphy
.wowlan_config
= NULL
;
10497 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TRIG
,
10498 info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
],
10499 nl80211_wowlan_policy
, info
->extack
);
10503 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
10504 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
10506 new_triggers
.any
= true;
10509 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
10510 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
10512 new_triggers
.disconnect
= true;
10516 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
10517 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
10519 new_triggers
.magic_pkt
= true;
10523 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
10526 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
10527 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
10529 new_triggers
.gtk_rekey_failure
= true;
10533 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
10534 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
10536 new_triggers
.eap_identity_req
= true;
10540 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
10541 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
10543 new_triggers
.four_way_handshake
= true;
10547 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
10548 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
10550 new_triggers
.rfkill_release
= true;
10554 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
10555 struct nlattr
*pat
;
10556 int n_patterns
= 0;
10557 int rem
, pat_len
, mask_len
, pkt_offset
;
10558 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10562 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10565 if (n_patterns
> wowlan
->n_patterns
)
10568 new_triggers
.patterns
= kcalloc(n_patterns
,
10569 sizeof(new_triggers
.patterns
[0]),
10571 if (!new_triggers
.patterns
)
10574 new_triggers
.n_patterns
= n_patterns
;
10577 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10581 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10582 nl80211_packet_pattern_policy
,
10585 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10586 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10588 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10589 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10590 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10592 if (pat_len
> wowlan
->pattern_max_len
||
10593 pat_len
< wowlan
->pattern_min_len
)
10596 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10599 pkt_offset
= nla_get_u32(
10600 pat_tb
[NL80211_PKTPAT_OFFSET
]);
10601 if (pkt_offset
> wowlan
->max_pkt_offset
)
10603 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
10605 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10610 new_triggers
.patterns
[i
].mask
= mask_pat
;
10611 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10613 mask_pat
+= mask_len
;
10614 new_triggers
.patterns
[i
].pattern
= mask_pat
;
10615 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
10617 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10623 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
10625 err
= nl80211_parse_wowlan_tcp(
10626 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
10632 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
10634 err
= nl80211_parse_wowlan_nd(
10635 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
10641 /* The 'any' trigger means the device continues operating more or less
10642 * as in its normal operation mode and wakes up the host on most of the
10643 * normal interrupts (like packet RX, ...)
10644 * It therefore makes little sense to combine with the more constrained
10645 * wakeup trigger modes.
10647 if (new_triggers
.any
&& regular
) {
10652 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
10657 cfg80211_rdev_free_wowlan(rdev
);
10658 rdev
->wiphy
.wowlan_config
= ntrig
;
10661 if (rdev
->ops
->set_wakeup
&&
10662 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
10663 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
10667 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
10668 kfree(new_triggers
.patterns
[i
].mask
);
10669 kfree(new_triggers
.patterns
);
10670 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
10671 sock_release(new_triggers
.tcp
->sock
);
10672 kfree(new_triggers
.tcp
);
10673 kfree(new_triggers
.nd_config
);
10678 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
10679 struct cfg80211_registered_device
*rdev
)
10681 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
10683 struct cfg80211_coalesce_rules
*rule
;
10685 if (!rdev
->coalesce
->n_rules
)
10688 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
10692 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
10693 nl_rule
= nla_nest_start(msg
, i
+ 1);
10697 rule
= &rdev
->coalesce
->rules
[i
];
10698 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
10702 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
10706 nl_pats
= nla_nest_start(msg
,
10707 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
10711 for (j
= 0; j
< rule
->n_patterns
; j
++) {
10712 nl_pat
= nla_nest_start(msg
, j
+ 1);
10715 pat_len
= rule
->patterns
[j
].pattern_len
;
10716 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
10717 DIV_ROUND_UP(pat_len
, 8),
10718 rule
->patterns
[j
].mask
) ||
10719 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10720 rule
->patterns
[j
].pattern
) ||
10721 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10722 rule
->patterns
[j
].pkt_offset
))
10724 nla_nest_end(msg
, nl_pat
);
10726 nla_nest_end(msg
, nl_pats
);
10727 nla_nest_end(msg
, nl_rule
);
10729 nla_nest_end(msg
, nl_rules
);
10734 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10736 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10737 struct sk_buff
*msg
;
10740 if (!rdev
->wiphy
.coalesce
)
10741 return -EOPNOTSUPP
;
10743 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10747 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10748 NL80211_CMD_GET_COALESCE
);
10750 goto nla_put_failure
;
10752 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
10753 goto nla_put_failure
;
10755 genlmsg_end(msg
, hdr
);
10756 return genlmsg_reply(msg
, info
);
10763 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
10765 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
10767 struct cfg80211_coalesce_rules
*rule
;
10772 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
10773 rule
= &coalesce
->rules
[i
];
10774 for (j
= 0; j
< rule
->n_patterns
; j
++)
10775 kfree(rule
->patterns
[j
].mask
);
10776 kfree(rule
->patterns
);
10778 kfree(coalesce
->rules
);
10780 rdev
->coalesce
= NULL
;
10783 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
10784 struct nlattr
*rule
,
10785 struct cfg80211_coalesce_rules
*new_rule
)
10788 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10789 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
10790 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
10791 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10793 err
= nla_parse_nested(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, rule
,
10794 nl80211_coalesce_policy
, NULL
);
10798 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
10800 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
10801 if (new_rule
->delay
> coalesce
->max_delay
)
10804 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
10805 new_rule
->condition
=
10806 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
10807 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
10808 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
10811 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
10814 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10817 if (n_patterns
> coalesce
->n_patterns
)
10820 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
10822 if (!new_rule
->patterns
)
10825 new_rule
->n_patterns
= n_patterns
;
10828 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10832 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10833 nl80211_packet_pattern_policy
, NULL
);
10834 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10835 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10837 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10838 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10839 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10841 if (pat_len
> coalesce
->pattern_max_len
||
10842 pat_len
< coalesce
->pattern_min_len
)
10845 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10848 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
10849 if (pkt_offset
> coalesce
->max_pkt_offset
)
10851 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
10853 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10857 new_rule
->patterns
[i
].mask
= mask_pat
;
10858 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10861 mask_pat
+= mask_len
;
10862 new_rule
->patterns
[i
].pattern
= mask_pat
;
10863 new_rule
->patterns
[i
].pattern_len
= pat_len
;
10864 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10872 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10874 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10875 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10876 struct cfg80211_coalesce new_coalesce
= {};
10877 struct cfg80211_coalesce
*n_coalesce
;
10878 int err
, rem_rule
, n_rules
= 0, i
, j
;
10879 struct nlattr
*rule
;
10880 struct cfg80211_coalesce_rules
*tmp_rule
;
10882 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
10883 return -EOPNOTSUPP
;
10885 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
10886 cfg80211_rdev_free_coalesce(rdev
);
10887 rdev_set_coalesce(rdev
, NULL
);
10891 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10894 if (n_rules
> coalesce
->n_rules
)
10897 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
10899 if (!new_coalesce
.rules
)
10902 new_coalesce
.n_rules
= n_rules
;
10905 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10907 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
10908 &new_coalesce
.rules
[i
]);
10915 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
10919 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
10924 cfg80211_rdev_free_coalesce(rdev
);
10925 rdev
->coalesce
= n_coalesce
;
10929 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
10930 tmp_rule
= &new_coalesce
.rules
[i
];
10931 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
10932 kfree(tmp_rule
->patterns
[j
].mask
);
10933 kfree(tmp_rule
->patterns
);
10935 kfree(new_coalesce
.rules
);
10940 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
10942 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10943 struct net_device
*dev
= info
->user_ptr
[1];
10944 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10945 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
10946 struct cfg80211_gtk_rekey_data rekey_data
;
10949 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10952 err
= nla_parse_nested(tb
, MAX_NL80211_REKEY_DATA
,
10953 info
->attrs
[NL80211_ATTR_REKEY_DATA
],
10954 nl80211_rekey_policy
, info
->extack
);
10958 if (!tb
[NL80211_REKEY_DATA_REPLAY_CTR
] || !tb
[NL80211_REKEY_DATA_KEK
] ||
10959 !tb
[NL80211_REKEY_DATA_KCK
])
10961 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10963 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10965 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10968 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10969 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10970 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
10973 if (!wdev
->current_bss
) {
10978 if (!rdev
->ops
->set_rekey_data
) {
10983 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
10989 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
10990 struct genl_info
*info
)
10992 struct net_device
*dev
= info
->user_ptr
[1];
10993 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10995 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10996 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10999 if (wdev
->ap_unexpected_nlportid
)
11002 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
11006 static int nl80211_probe_client(struct sk_buff
*skb
,
11007 struct genl_info
*info
)
11009 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11010 struct net_device
*dev
= info
->user_ptr
[1];
11011 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11012 struct sk_buff
*msg
;
11018 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11019 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11020 return -EOPNOTSUPP
;
11022 if (!info
->attrs
[NL80211_ATTR_MAC
])
11025 if (!rdev
->ops
->probe_client
)
11026 return -EOPNOTSUPP
;
11028 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11032 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11033 NL80211_CMD_PROBE_CLIENT
);
11039 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11041 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
11045 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11047 goto nla_put_failure
;
11049 genlmsg_end(msg
, hdr
);
11051 return genlmsg_reply(msg
, info
);
11060 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
11062 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11063 struct cfg80211_beacon_registration
*reg
, *nreg
;
11066 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
11067 return -EOPNOTSUPP
;
11069 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
11073 /* First, check if already registered. */
11074 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11075 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11076 if (reg
->nlportid
== info
->snd_portid
) {
11081 /* Add it to the list */
11082 nreg
->nlportid
= info
->snd_portid
;
11083 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
11085 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11089 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11094 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11096 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11097 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11100 if (!rdev
->ops
->start_p2p_device
)
11101 return -EOPNOTSUPP
;
11103 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11104 return -EOPNOTSUPP
;
11106 if (wdev_running(wdev
))
11109 if (rfkill_blocked(rdev
->rfkill
))
11112 err
= rdev_start_p2p_device(rdev
, wdev
);
11116 wdev
->is_running
= true;
11122 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11124 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11125 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11127 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11128 return -EOPNOTSUPP
;
11130 if (!rdev
->ops
->stop_p2p_device
)
11131 return -EOPNOTSUPP
;
11133 cfg80211_stop_p2p_device(rdev
, wdev
);
11138 static int nl80211_start_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11140 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11141 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11142 struct cfg80211_nan_conf conf
= {};
11145 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11146 return -EOPNOTSUPP
;
11148 if (wdev_running(wdev
))
11151 if (rfkill_blocked(rdev
->rfkill
))
11154 if (!info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
])
11158 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11159 if (!conf
.master_pref
)
11162 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11163 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11165 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11166 return -EOPNOTSUPP
;
11168 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11171 conf
.bands
= bands
;
11174 err
= rdev_start_nan(rdev
, wdev
, &conf
);
11178 wdev
->is_running
= true;
11184 static int nl80211_stop_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11186 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11187 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11189 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11190 return -EOPNOTSUPP
;
11192 cfg80211_stop_nan(rdev
, wdev
);
11197 static int validate_nan_filter(struct nlattr
*filter_attr
)
11199 struct nlattr
*attr
;
11200 int len
= 0, n_entries
= 0, rem
;
11202 nla_for_each_nested(attr
, filter_attr
, rem
) {
11203 len
+= nla_len(attr
);
11213 static int handle_nan_filter(struct nlattr
*attr_filter
,
11214 struct cfg80211_nan_func
*func
,
11217 struct nlattr
*attr
;
11218 int n_entries
, rem
, i
;
11219 struct cfg80211_nan_func_filter
*filter
;
11221 n_entries
= validate_nan_filter(attr_filter
);
11225 BUILD_BUG_ON(sizeof(*func
->rx_filters
) != sizeof(*func
->tx_filters
));
11227 filter
= kcalloc(n_entries
, sizeof(*func
->rx_filters
), GFP_KERNEL
);
11232 nla_for_each_nested(attr
, attr_filter
, rem
) {
11233 filter
[i
].filter
= nla_memdup(attr
, GFP_KERNEL
);
11234 filter
[i
].len
= nla_len(attr
);
11238 func
->num_tx_filters
= n_entries
;
11239 func
->tx_filters
= filter
;
11241 func
->num_rx_filters
= n_entries
;
11242 func
->rx_filters
= filter
;
11248 static int nl80211_nan_add_func(struct sk_buff
*skb
,
11249 struct genl_info
*info
)
11251 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11252 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11253 struct nlattr
*tb
[NUM_NL80211_NAN_FUNC_ATTR
], *func_attr
;
11254 struct cfg80211_nan_func
*func
;
11255 struct sk_buff
*msg
= NULL
;
11259 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11260 return -EOPNOTSUPP
;
11262 if (!wdev_running(wdev
))
11265 if (!info
->attrs
[NL80211_ATTR_NAN_FUNC
])
11268 err
= nla_parse_nested(tb
, NL80211_NAN_FUNC_ATTR_MAX
,
11269 info
->attrs
[NL80211_ATTR_NAN_FUNC
],
11270 nl80211_nan_func_policy
, info
->extack
);
11274 func
= kzalloc(sizeof(*func
), GFP_KERNEL
);
11278 func
->cookie
= wdev
->wiphy
->cookie_counter
++;
11280 if (!tb
[NL80211_NAN_FUNC_TYPE
] ||
11281 nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]) > NL80211_NAN_FUNC_MAX_TYPE
) {
11287 func
->type
= nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]);
11289 if (!tb
[NL80211_NAN_FUNC_SERVICE_ID
]) {
11294 memcpy(func
->service_id
, nla_data(tb
[NL80211_NAN_FUNC_SERVICE_ID
]),
11295 sizeof(func
->service_id
));
11297 func
->close_range
=
11298 nla_get_flag(tb
[NL80211_NAN_FUNC_CLOSE_RANGE
]);
11300 if (tb
[NL80211_NAN_FUNC_SERVICE_INFO
]) {
11301 func
->serv_spec_info_len
=
11302 nla_len(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]);
11303 func
->serv_spec_info
=
11304 kmemdup(nla_data(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]),
11305 func
->serv_spec_info_len
,
11307 if (!func
->serv_spec_info
) {
11313 if (tb
[NL80211_NAN_FUNC_TTL
])
11314 func
->ttl
= nla_get_u32(tb
[NL80211_NAN_FUNC_TTL
]);
11316 switch (func
->type
) {
11317 case NL80211_NAN_FUNC_PUBLISH
:
11318 if (!tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]) {
11323 func
->publish_type
=
11324 nla_get_u8(tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]);
11325 func
->publish_bcast
=
11326 nla_get_flag(tb
[NL80211_NAN_FUNC_PUBLISH_BCAST
]);
11328 if ((!(func
->publish_type
& NL80211_NAN_SOLICITED_PUBLISH
)) &&
11329 func
->publish_bcast
) {
11334 case NL80211_NAN_FUNC_SUBSCRIBE
:
11335 func
->subscribe_active
=
11336 nla_get_flag(tb
[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
]);
11338 case NL80211_NAN_FUNC_FOLLOW_UP
:
11339 if (!tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
] ||
11340 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]) {
11345 func
->followup_id
=
11346 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
]);
11347 func
->followup_reqid
=
11348 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]);
11349 memcpy(func
->followup_dest
.addr
,
11350 nla_data(tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]),
11351 sizeof(func
->followup_dest
.addr
));
11362 if (tb
[NL80211_NAN_FUNC_SRF
]) {
11363 struct nlattr
*srf_tb
[NUM_NL80211_NAN_SRF_ATTR
];
11365 err
= nla_parse_nested(srf_tb
, NL80211_NAN_SRF_ATTR_MAX
,
11366 tb
[NL80211_NAN_FUNC_SRF
],
11367 nl80211_nan_srf_policy
, info
->extack
);
11371 func
->srf_include
=
11372 nla_get_flag(srf_tb
[NL80211_NAN_SRF_INCLUDE
]);
11374 if (srf_tb
[NL80211_NAN_SRF_BF
]) {
11375 if (srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
] ||
11376 !srf_tb
[NL80211_NAN_SRF_BF_IDX
]) {
11382 nla_len(srf_tb
[NL80211_NAN_SRF_BF
]);
11384 kmemdup(nla_data(srf_tb
[NL80211_NAN_SRF_BF
]),
11385 func
->srf_bf_len
, GFP_KERNEL
);
11386 if (!func
->srf_bf
) {
11392 nla_get_u8(srf_tb
[NL80211_NAN_SRF_BF_IDX
]);
11394 struct nlattr
*attr
, *mac_attr
=
11395 srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
];
11396 int n_entries
, rem
, i
= 0;
11403 n_entries
= validate_acl_mac_addrs(mac_attr
);
11404 if (n_entries
<= 0) {
11409 func
->srf_num_macs
= n_entries
;
11411 kzalloc(sizeof(*func
->srf_macs
) * n_entries
,
11413 if (!func
->srf_macs
) {
11418 nla_for_each_nested(attr
, mac_attr
, rem
)
11419 memcpy(func
->srf_macs
[i
++].addr
, nla_data(attr
),
11420 sizeof(*func
->srf_macs
));
11424 if (tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
]) {
11425 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
],
11431 if (tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
]) {
11432 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
],
11438 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11444 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11445 NL80211_CMD_ADD_NAN_FUNCTION
);
11446 /* This can't really happen - we just allocated 4KB */
11447 if (WARN_ON(!hdr
)) {
11452 err
= rdev_add_nan_func(rdev
, wdev
, func
);
11455 cfg80211_free_nan_func(func
);
11460 /* propagate the instance id and cookie to userspace */
11461 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, func
->cookie
,
11463 goto nla_put_failure
;
11465 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11467 goto nla_put_failure
;
11469 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
,
11470 func
->instance_id
))
11471 goto nla_put_failure
;
11473 nla_nest_end(msg
, func_attr
);
11475 genlmsg_end(msg
, hdr
);
11476 return genlmsg_reply(msg
, info
);
11483 static int nl80211_nan_del_func(struct sk_buff
*skb
,
11484 struct genl_info
*info
)
11486 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11487 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11490 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11491 return -EOPNOTSUPP
;
11493 if (!wdev_running(wdev
))
11496 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
11499 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
11501 rdev_del_nan_func(rdev
, wdev
, cookie
);
11506 static int nl80211_nan_change_config(struct sk_buff
*skb
,
11507 struct genl_info
*info
)
11509 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11510 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11511 struct cfg80211_nan_conf conf
= {};
11514 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11515 return -EOPNOTSUPP
;
11517 if (!wdev_running(wdev
))
11520 if (info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]) {
11522 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11523 if (conf
.master_pref
<= 1 || conf
.master_pref
== 255)
11526 changed
|= CFG80211_NAN_CONF_CHANGED_PREF
;
11529 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11530 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11532 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11533 return -EOPNOTSUPP
;
11535 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11538 conf
.bands
= bands
;
11539 changed
|= CFG80211_NAN_CONF_CHANGED_BANDS
;
11545 return rdev_nan_change_conf(rdev
, wdev
, &conf
, changed
);
11548 void cfg80211_nan_match(struct wireless_dev
*wdev
,
11549 struct cfg80211_nan_match_params
*match
, gfp_t gfp
)
11551 struct wiphy
*wiphy
= wdev
->wiphy
;
11552 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11553 struct nlattr
*match_attr
, *local_func_attr
, *peer_func_attr
;
11554 struct sk_buff
*msg
;
11557 if (WARN_ON(!match
->inst_id
|| !match
->peer_inst_id
|| !match
->addr
))
11560 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11564 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NAN_MATCH
);
11570 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11571 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11572 wdev
->netdev
->ifindex
)) ||
11573 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11575 goto nla_put_failure
;
11577 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, match
->cookie
,
11578 NL80211_ATTR_PAD
) ||
11579 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, match
->addr
))
11580 goto nla_put_failure
;
11582 match_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_MATCH
);
11584 goto nla_put_failure
;
11586 local_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_LOCAL
);
11587 if (!local_func_attr
)
11588 goto nla_put_failure
;
11590 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->inst_id
))
11591 goto nla_put_failure
;
11593 nla_nest_end(msg
, local_func_attr
);
11595 peer_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_PEER
);
11596 if (!peer_func_attr
)
11597 goto nla_put_failure
;
11599 if (nla_put_u8(msg
, NL80211_NAN_FUNC_TYPE
, match
->type
) ||
11600 nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->peer_inst_id
))
11601 goto nla_put_failure
;
11603 if (match
->info
&& match
->info_len
&&
11604 nla_put(msg
, NL80211_NAN_FUNC_SERVICE_INFO
, match
->info_len
,
11606 goto nla_put_failure
;
11608 nla_nest_end(msg
, peer_func_attr
);
11609 nla_nest_end(msg
, match_attr
);
11610 genlmsg_end(msg
, hdr
);
11612 if (!wdev
->owner_nlportid
)
11613 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11614 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11616 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11617 wdev
->owner_nlportid
);
11624 EXPORT_SYMBOL(cfg80211_nan_match
);
11626 void cfg80211_nan_func_terminated(struct wireless_dev
*wdev
,
11628 enum nl80211_nan_func_term_reason reason
,
11629 u64 cookie
, gfp_t gfp
)
11631 struct wiphy
*wiphy
= wdev
->wiphy
;
11632 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11633 struct sk_buff
*msg
;
11634 struct nlattr
*func_attr
;
11637 if (WARN_ON(!inst_id
))
11640 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11644 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION
);
11650 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11651 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11652 wdev
->netdev
->ifindex
)) ||
11653 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11655 goto nla_put_failure
;
11657 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11659 goto nla_put_failure
;
11661 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11663 goto nla_put_failure
;
11665 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, inst_id
) ||
11666 nla_put_u8(msg
, NL80211_NAN_FUNC_TERM_REASON
, reason
))
11667 goto nla_put_failure
;
11669 nla_nest_end(msg
, func_attr
);
11670 genlmsg_end(msg
, hdr
);
11672 if (!wdev
->owner_nlportid
)
11673 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11674 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11676 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11677 wdev
->owner_nlportid
);
11684 EXPORT_SYMBOL(cfg80211_nan_func_terminated
);
11686 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
11687 struct genl_info
*info
)
11690 struct sk_buff
*msg
;
11692 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11696 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11697 NL80211_CMD_GET_PROTOCOL_FEATURES
);
11699 goto nla_put_failure
;
11701 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
11702 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
11703 goto nla_put_failure
;
11705 genlmsg_end(msg
, hdr
);
11706 return genlmsg_reply(msg
, info
);
11713 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
11715 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11716 struct cfg80211_update_ft_ies_params ft_params
;
11717 struct net_device
*dev
= info
->user_ptr
[1];
11719 if (!rdev
->ops
->update_ft_ies
)
11720 return -EOPNOTSUPP
;
11722 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
11723 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
11726 memset(&ft_params
, 0, sizeof(ft_params
));
11727 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
11728 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
11729 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
11731 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
11734 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
11735 struct genl_info
*info
)
11737 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11738 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11739 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
11743 if (!rdev
->ops
->crit_proto_start
)
11744 return -EOPNOTSUPP
;
11746 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
11749 if (rdev
->crit_proto_nlportid
)
11752 /* determine protocol if provided */
11753 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
11754 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
11756 if (proto
>= NUM_NL80211_CRIT_PROTO
)
11759 /* timeout must be provided */
11760 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
11764 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
11766 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
11769 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
11771 rdev
->crit_proto_nlportid
= info
->snd_portid
;
11776 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
11777 struct genl_info
*info
)
11779 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11780 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11782 if (!rdev
->ops
->crit_proto_stop
)
11783 return -EOPNOTSUPP
;
11785 if (rdev
->crit_proto_nlportid
) {
11786 rdev
->crit_proto_nlportid
= 0;
11787 rdev_crit_proto_stop(rdev
, wdev
);
11792 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
11794 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11795 struct wireless_dev
*wdev
=
11796 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
11800 if (!rdev
->wiphy
.vendor_commands
)
11801 return -EOPNOTSUPP
;
11803 if (IS_ERR(wdev
)) {
11804 err
= PTR_ERR(wdev
);
11805 if (err
!= -EINVAL
)
11808 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
11812 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
11813 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
11816 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
11817 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
11818 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
11819 const struct wiphy_vendor_command
*vcmd
;
11823 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
11825 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11828 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11829 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11832 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11836 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11837 if (!wdev_running(wdev
))
11842 return -EOPNOTSUPP
;
11847 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
11848 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11849 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11852 rdev
->cur_cmd_info
= info
;
11853 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
11855 rdev
->cur_cmd_info
= NULL
;
11859 return -EOPNOTSUPP
;
11862 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
11863 struct netlink_callback
*cb
,
11864 struct cfg80211_registered_device
**rdev
,
11865 struct wireless_dev
**wdev
)
11867 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
11873 unsigned int data_len
= 0;
11876 /* subtract the 1 again here */
11877 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
11878 struct wireless_dev
*tmp
;
11882 *rdev
= wiphy_to_rdev(wiphy
);
11886 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
11887 if (tmp
->identifier
== cb
->args
[1] - 1) {
11894 /* keep rtnl locked in successful case */
11898 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, attrbuf
,
11899 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
11903 if (!attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
11904 !attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
])
11907 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11911 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11913 return PTR_ERR(*rdev
);
11915 vid
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_ID
]);
11916 subcmd
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
11918 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
11919 const struct wiphy_vendor_command
*vcmd
;
11921 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
11923 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11927 return -EOPNOTSUPP
;
11934 return -EOPNOTSUPP
;
11936 if (attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
11937 data
= nla_data(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11938 data_len
= nla_len(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11941 /* 0 is the first index - add 1 to parse only once */
11942 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
11943 /* add 1 to know if it was NULL */
11944 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
11945 cb
->args
[2] = vcmd_idx
;
11946 cb
->args
[3] = (unsigned long)data
;
11947 cb
->args
[4] = data_len
;
11949 /* keep rtnl locked in successful case */
11953 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
11954 struct netlink_callback
*cb
)
11956 struct cfg80211_registered_device
*rdev
;
11957 struct wireless_dev
*wdev
;
11958 unsigned int vcmd_idx
;
11959 const struct wiphy_vendor_command
*vcmd
;
11963 struct nlattr
*vendor_data
;
11966 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
11970 vcmd_idx
= cb
->args
[2];
11971 data
= (void *)cb
->args
[3];
11972 data_len
= cb
->args
[4];
11973 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
11975 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11976 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11981 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11987 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11988 if (!wdev_running(wdev
)) {
11996 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
11997 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
11998 NL80211_CMD_VENDOR
);
12002 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12003 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
12005 NL80211_ATTR_PAD
))) {
12006 genlmsg_cancel(skb
, hdr
);
12010 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
12011 if (!vendor_data
) {
12012 genlmsg_cancel(skb
, hdr
);
12016 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
12017 (unsigned long *)&cb
->args
[5]);
12018 nla_nest_end(skb
, vendor_data
);
12020 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
12021 genlmsg_cancel(skb
, hdr
);
12024 genlmsg_cancel(skb
, hdr
);
12028 genlmsg_end(skb
, hdr
);
12037 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
12038 enum nl80211_commands cmd
,
12039 enum nl80211_attrs attr
,
12042 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12044 if (WARN_ON(!rdev
->cur_cmd_info
))
12047 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
12048 rdev
->cur_cmd_info
->snd_portid
,
12049 rdev
->cur_cmd_info
->snd_seq
,
12050 cmd
, attr
, NULL
, GFP_KERNEL
);
12052 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
12054 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
12056 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
12057 void *hdr
= ((void **)skb
->cb
)[1];
12058 struct nlattr
*data
= ((void **)skb
->cb
)[2];
12060 /* clear CB data for netlink core to own from now on */
12061 memset(skb
->cb
, 0, sizeof(skb
->cb
));
12063 if (WARN_ON(!rdev
->cur_cmd_info
)) {
12068 nla_nest_end(skb
, data
);
12069 genlmsg_end(skb
, hdr
);
12070 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
12072 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
12074 static int nl80211_set_qos_map(struct sk_buff
*skb
,
12075 struct genl_info
*info
)
12077 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12078 struct cfg80211_qos_map
*qos_map
= NULL
;
12079 struct net_device
*dev
= info
->user_ptr
[1];
12080 u8
*pos
, len
, num_des
, des_len
, des
;
12083 if (!rdev
->ops
->set_qos_map
)
12084 return -EOPNOTSUPP
;
12086 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
12087 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12088 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12090 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
12091 len
> IEEE80211_QOS_MAP_LEN_MAX
)
12094 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
12098 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
12100 des_len
= num_des
*
12101 sizeof(struct cfg80211_dscp_exception
);
12102 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
12103 qos_map
->num_des
= num_des
;
12104 for (des
= 0; des
< num_des
; des
++) {
12105 if (qos_map
->dscp_exception
[des
].up
> 7) {
12112 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
12115 wdev_lock(dev
->ieee80211_ptr
);
12116 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
12118 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
12119 wdev_unlock(dev
->ieee80211_ptr
);
12125 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12127 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12128 struct net_device
*dev
= info
->user_ptr
[1];
12129 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12132 u16 admitted_time
= 0;
12135 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
12136 return -EOPNOTSUPP
;
12138 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
12139 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
12142 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12143 if (tsid
>= IEEE80211_NUM_TIDS
)
12146 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
12147 if (up
>= IEEE80211_NUM_UPS
)
12150 /* WMM uses TIDs 0-7 even for TSPEC */
12151 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
12152 /* TODO: handle 802.11 TSPEC/admission control
12153 * need more attributes for that (e.g. BA session requirement);
12154 * change the WMM adminssion test above to allow both then
12159 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12161 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
12163 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
12164 if (!admitted_time
)
12169 switch (wdev
->iftype
) {
12170 case NL80211_IFTYPE_STATION
:
12171 case NL80211_IFTYPE_P2P_CLIENT
:
12172 if (wdev
->current_bss
)
12181 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
12188 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12190 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12191 struct net_device
*dev
= info
->user_ptr
[1];
12192 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12197 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
12200 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12201 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12204 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
12210 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
12211 struct genl_info
*info
)
12213 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12214 struct net_device
*dev
= info
->user_ptr
[1];
12215 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12216 struct cfg80211_chan_def chandef
= {};
12221 if (!rdev
->ops
->tdls_channel_switch
||
12222 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12223 return -EOPNOTSUPP
;
12225 switch (dev
->ieee80211_ptr
->iftype
) {
12226 case NL80211_IFTYPE_STATION
:
12227 case NL80211_IFTYPE_P2P_CLIENT
:
12230 return -EOPNOTSUPP
;
12233 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
12234 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
12237 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
12242 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
12243 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
12244 * specification is not defined for them.
12246 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
12247 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
12248 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
12251 /* we will be active on the TDLS link */
12252 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
12256 /* don't allow switching to DFS channels */
12257 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
12260 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12261 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
12264 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
12270 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
12271 struct genl_info
*info
)
12273 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12274 struct net_device
*dev
= info
->user_ptr
[1];
12275 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12278 if (!rdev
->ops
->tdls_channel_switch
||
12279 !rdev
->ops
->tdls_cancel_channel_switch
||
12280 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12281 return -EOPNOTSUPP
;
12283 switch (dev
->ieee80211_ptr
->iftype
) {
12284 case NL80211_IFTYPE_STATION
:
12285 case NL80211_IFTYPE_P2P_CLIENT
:
12288 return -EOPNOTSUPP
;
12291 if (!info
->attrs
[NL80211_ATTR_MAC
])
12294 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12297 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
12303 static int nl80211_set_multicast_to_unicast(struct sk_buff
*skb
,
12304 struct genl_info
*info
)
12306 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12307 struct net_device
*dev
= info
->user_ptr
[1];
12308 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12309 const struct nlattr
*nla
;
12312 if (!rdev
->ops
->set_multicast_to_unicast
)
12313 return -EOPNOTSUPP
;
12315 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12316 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
12317 return -EOPNOTSUPP
;
12319 nla
= info
->attrs
[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
];
12320 enabled
= nla_get_flag(nla
);
12322 return rdev_set_multicast_to_unicast(rdev
, dev
, enabled
);
12325 static int nl80211_set_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12327 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12328 struct net_device
*dev
= info
->user_ptr
[1];
12329 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12330 struct cfg80211_pmk_conf pmk_conf
= {};
12333 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12334 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12335 return -EOPNOTSUPP
;
12337 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12338 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12339 return -EOPNOTSUPP
;
12341 if (!info
->attrs
[NL80211_ATTR_MAC
] || !info
->attrs
[NL80211_ATTR_PMK
])
12345 if (!wdev
->current_bss
) {
12350 pmk_conf
.aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12351 if (memcmp(pmk_conf
.aa
, wdev
->current_bss
->pub
.bssid
, ETH_ALEN
)) {
12356 pmk_conf
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
12357 pmk_conf
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
12358 if (pmk_conf
.pmk_len
!= WLAN_PMK_LEN
&&
12359 pmk_conf
.pmk_len
!= WLAN_PMK_LEN_SUITE_B_192
) {
12364 if (info
->attrs
[NL80211_ATTR_PMKR0_NAME
]) {
12365 int r0_name_len
= nla_len(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12367 if (r0_name_len
!= WLAN_PMK_NAME_LEN
) {
12372 pmk_conf
.pmk_r0_name
=
12373 nla_data(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12376 ret
= rdev_set_pmk(rdev
, dev
, &pmk_conf
);
12382 static int nl80211_del_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12384 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12385 struct net_device
*dev
= info
->user_ptr
[1];
12386 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12390 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12391 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12392 return -EOPNOTSUPP
;
12394 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12395 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12396 return -EOPNOTSUPP
;
12398 if (!info
->attrs
[NL80211_ATTR_MAC
])
12402 aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12403 ret
= rdev_del_pmk(rdev
, dev
, aa
);
12409 #define NL80211_FLAG_NEED_WIPHY 0x01
12410 #define NL80211_FLAG_NEED_NETDEV 0x02
12411 #define NL80211_FLAG_NEED_RTNL 0x04
12412 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
12413 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
12414 NL80211_FLAG_CHECK_NETDEV_UP)
12415 #define NL80211_FLAG_NEED_WDEV 0x10
12416 /* If a netdev is associated, it must be UP, P2P must be started */
12417 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
12418 NL80211_FLAG_CHECK_NETDEV_UP)
12419 #define NL80211_FLAG_CLEAR_SKB 0x20
12421 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12422 struct genl_info
*info
)
12424 struct cfg80211_registered_device
*rdev
;
12425 struct wireless_dev
*wdev
;
12426 struct net_device
*dev
;
12427 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
12432 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
12433 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
12434 if (IS_ERR(rdev
)) {
12437 return PTR_ERR(rdev
);
12439 info
->user_ptr
[0] = rdev
;
12440 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
12441 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12444 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
12446 if (IS_ERR(wdev
)) {
12449 return PTR_ERR(wdev
);
12452 dev
= wdev
->netdev
;
12453 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12455 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
12462 info
->user_ptr
[1] = dev
;
12464 info
->user_ptr
[1] = wdev
;
12467 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
12468 !wdev_running(wdev
)) {
12477 info
->user_ptr
[0] = rdev
;
12483 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12484 struct genl_info
*info
)
12486 if (info
->user_ptr
[1]) {
12487 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12488 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12491 dev_put(wdev
->netdev
);
12493 dev_put(info
->user_ptr
[1]);
12497 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
12500 /* If needed, clear the netlink message payload from the SKB
12501 * as it might contain key data that shouldn't stick around on
12502 * the heap after the SKB is freed. The netlink message header
12503 * is still needed for further processing, so leave it intact.
12505 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
12506 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
12508 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
12512 static const struct genl_ops nl80211_ops
[] = {
12514 .cmd
= NL80211_CMD_GET_WIPHY
,
12515 .doit
= nl80211_get_wiphy
,
12516 .dumpit
= nl80211_dump_wiphy
,
12517 .done
= nl80211_dump_wiphy_done
,
12518 .policy
= nl80211_policy
,
12519 /* can be retrieved by unprivileged users */
12520 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12521 NL80211_FLAG_NEED_RTNL
,
12524 .cmd
= NL80211_CMD_SET_WIPHY
,
12525 .doit
= nl80211_set_wiphy
,
12526 .policy
= nl80211_policy
,
12527 .flags
= GENL_UNS_ADMIN_PERM
,
12528 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12531 .cmd
= NL80211_CMD_GET_INTERFACE
,
12532 .doit
= nl80211_get_interface
,
12533 .dumpit
= nl80211_dump_interface
,
12534 .policy
= nl80211_policy
,
12535 /* can be retrieved by unprivileged users */
12536 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12537 NL80211_FLAG_NEED_RTNL
,
12540 .cmd
= NL80211_CMD_SET_INTERFACE
,
12541 .doit
= nl80211_set_interface
,
12542 .policy
= nl80211_policy
,
12543 .flags
= GENL_UNS_ADMIN_PERM
,
12544 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12545 NL80211_FLAG_NEED_RTNL
,
12548 .cmd
= NL80211_CMD_NEW_INTERFACE
,
12549 .doit
= nl80211_new_interface
,
12550 .policy
= nl80211_policy
,
12551 .flags
= GENL_UNS_ADMIN_PERM
,
12552 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12553 NL80211_FLAG_NEED_RTNL
,
12556 .cmd
= NL80211_CMD_DEL_INTERFACE
,
12557 .doit
= nl80211_del_interface
,
12558 .policy
= nl80211_policy
,
12559 .flags
= GENL_UNS_ADMIN_PERM
,
12560 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12561 NL80211_FLAG_NEED_RTNL
,
12564 .cmd
= NL80211_CMD_GET_KEY
,
12565 .doit
= nl80211_get_key
,
12566 .policy
= nl80211_policy
,
12567 .flags
= GENL_UNS_ADMIN_PERM
,
12568 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12569 NL80211_FLAG_NEED_RTNL
,
12572 .cmd
= NL80211_CMD_SET_KEY
,
12573 .doit
= nl80211_set_key
,
12574 .policy
= nl80211_policy
,
12575 .flags
= GENL_UNS_ADMIN_PERM
,
12576 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12577 NL80211_FLAG_NEED_RTNL
|
12578 NL80211_FLAG_CLEAR_SKB
,
12581 .cmd
= NL80211_CMD_NEW_KEY
,
12582 .doit
= nl80211_new_key
,
12583 .policy
= nl80211_policy
,
12584 .flags
= GENL_UNS_ADMIN_PERM
,
12585 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12586 NL80211_FLAG_NEED_RTNL
|
12587 NL80211_FLAG_CLEAR_SKB
,
12590 .cmd
= NL80211_CMD_DEL_KEY
,
12591 .doit
= nl80211_del_key
,
12592 .policy
= nl80211_policy
,
12593 .flags
= GENL_UNS_ADMIN_PERM
,
12594 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12595 NL80211_FLAG_NEED_RTNL
,
12598 .cmd
= NL80211_CMD_SET_BEACON
,
12599 .policy
= nl80211_policy
,
12600 .flags
= GENL_UNS_ADMIN_PERM
,
12601 .doit
= nl80211_set_beacon
,
12602 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12603 NL80211_FLAG_NEED_RTNL
,
12606 .cmd
= NL80211_CMD_START_AP
,
12607 .policy
= nl80211_policy
,
12608 .flags
= GENL_UNS_ADMIN_PERM
,
12609 .doit
= nl80211_start_ap
,
12610 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12611 NL80211_FLAG_NEED_RTNL
,
12614 .cmd
= NL80211_CMD_STOP_AP
,
12615 .policy
= nl80211_policy
,
12616 .flags
= GENL_UNS_ADMIN_PERM
,
12617 .doit
= nl80211_stop_ap
,
12618 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12619 NL80211_FLAG_NEED_RTNL
,
12622 .cmd
= NL80211_CMD_GET_STATION
,
12623 .doit
= nl80211_get_station
,
12624 .dumpit
= nl80211_dump_station
,
12625 .policy
= nl80211_policy
,
12626 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12627 NL80211_FLAG_NEED_RTNL
,
12630 .cmd
= NL80211_CMD_SET_STATION
,
12631 .doit
= nl80211_set_station
,
12632 .policy
= nl80211_policy
,
12633 .flags
= GENL_UNS_ADMIN_PERM
,
12634 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12635 NL80211_FLAG_NEED_RTNL
,
12638 .cmd
= NL80211_CMD_NEW_STATION
,
12639 .doit
= nl80211_new_station
,
12640 .policy
= nl80211_policy
,
12641 .flags
= GENL_UNS_ADMIN_PERM
,
12642 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12643 NL80211_FLAG_NEED_RTNL
,
12646 .cmd
= NL80211_CMD_DEL_STATION
,
12647 .doit
= nl80211_del_station
,
12648 .policy
= nl80211_policy
,
12649 .flags
= GENL_UNS_ADMIN_PERM
,
12650 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12651 NL80211_FLAG_NEED_RTNL
,
12654 .cmd
= NL80211_CMD_GET_MPATH
,
12655 .doit
= nl80211_get_mpath
,
12656 .dumpit
= nl80211_dump_mpath
,
12657 .policy
= nl80211_policy
,
12658 .flags
= GENL_UNS_ADMIN_PERM
,
12659 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12660 NL80211_FLAG_NEED_RTNL
,
12663 .cmd
= NL80211_CMD_GET_MPP
,
12664 .doit
= nl80211_get_mpp
,
12665 .dumpit
= nl80211_dump_mpp
,
12666 .policy
= nl80211_policy
,
12667 .flags
= GENL_UNS_ADMIN_PERM
,
12668 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12669 NL80211_FLAG_NEED_RTNL
,
12672 .cmd
= NL80211_CMD_SET_MPATH
,
12673 .doit
= nl80211_set_mpath
,
12674 .policy
= nl80211_policy
,
12675 .flags
= GENL_UNS_ADMIN_PERM
,
12676 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12677 NL80211_FLAG_NEED_RTNL
,
12680 .cmd
= NL80211_CMD_NEW_MPATH
,
12681 .doit
= nl80211_new_mpath
,
12682 .policy
= nl80211_policy
,
12683 .flags
= GENL_UNS_ADMIN_PERM
,
12684 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12685 NL80211_FLAG_NEED_RTNL
,
12688 .cmd
= NL80211_CMD_DEL_MPATH
,
12689 .doit
= nl80211_del_mpath
,
12690 .policy
= nl80211_policy
,
12691 .flags
= GENL_UNS_ADMIN_PERM
,
12692 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12693 NL80211_FLAG_NEED_RTNL
,
12696 .cmd
= NL80211_CMD_SET_BSS
,
12697 .doit
= nl80211_set_bss
,
12698 .policy
= nl80211_policy
,
12699 .flags
= GENL_UNS_ADMIN_PERM
,
12700 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12701 NL80211_FLAG_NEED_RTNL
,
12704 .cmd
= NL80211_CMD_GET_REG
,
12705 .doit
= nl80211_get_reg_do
,
12706 .dumpit
= nl80211_get_reg_dump
,
12707 .policy
= nl80211_policy
,
12708 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12709 /* can be retrieved by unprivileged users */
12711 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12713 .cmd
= NL80211_CMD_SET_REG
,
12714 .doit
= nl80211_set_reg
,
12715 .policy
= nl80211_policy
,
12716 .flags
= GENL_ADMIN_PERM
,
12717 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12721 .cmd
= NL80211_CMD_REQ_SET_REG
,
12722 .doit
= nl80211_req_set_reg
,
12723 .policy
= nl80211_policy
,
12724 .flags
= GENL_ADMIN_PERM
,
12727 .cmd
= NL80211_CMD_RELOAD_REGDB
,
12728 .doit
= nl80211_reload_regdb
,
12729 .policy
= nl80211_policy
,
12730 .flags
= GENL_ADMIN_PERM
,
12733 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
12734 .doit
= nl80211_get_mesh_config
,
12735 .policy
= nl80211_policy
,
12736 /* can be retrieved by unprivileged users */
12737 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12738 NL80211_FLAG_NEED_RTNL
,
12741 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
12742 .doit
= nl80211_update_mesh_config
,
12743 .policy
= nl80211_policy
,
12744 .flags
= GENL_UNS_ADMIN_PERM
,
12745 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12746 NL80211_FLAG_NEED_RTNL
,
12749 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
12750 .doit
= nl80211_trigger_scan
,
12751 .policy
= nl80211_policy
,
12752 .flags
= GENL_UNS_ADMIN_PERM
,
12753 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12754 NL80211_FLAG_NEED_RTNL
,
12757 .cmd
= NL80211_CMD_ABORT_SCAN
,
12758 .doit
= nl80211_abort_scan
,
12759 .policy
= nl80211_policy
,
12760 .flags
= GENL_UNS_ADMIN_PERM
,
12761 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12762 NL80211_FLAG_NEED_RTNL
,
12765 .cmd
= NL80211_CMD_GET_SCAN
,
12766 .policy
= nl80211_policy
,
12767 .dumpit
= nl80211_dump_scan
,
12770 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
12771 .doit
= nl80211_start_sched_scan
,
12772 .policy
= nl80211_policy
,
12773 .flags
= GENL_UNS_ADMIN_PERM
,
12774 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12775 NL80211_FLAG_NEED_RTNL
,
12778 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
12779 .doit
= nl80211_stop_sched_scan
,
12780 .policy
= nl80211_policy
,
12781 .flags
= GENL_UNS_ADMIN_PERM
,
12782 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12783 NL80211_FLAG_NEED_RTNL
,
12786 .cmd
= NL80211_CMD_AUTHENTICATE
,
12787 .doit
= nl80211_authenticate
,
12788 .policy
= nl80211_policy
,
12789 .flags
= GENL_UNS_ADMIN_PERM
,
12790 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12791 NL80211_FLAG_NEED_RTNL
|
12792 NL80211_FLAG_CLEAR_SKB
,
12795 .cmd
= NL80211_CMD_ASSOCIATE
,
12796 .doit
= nl80211_associate
,
12797 .policy
= nl80211_policy
,
12798 .flags
= GENL_UNS_ADMIN_PERM
,
12799 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12800 NL80211_FLAG_NEED_RTNL
,
12803 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
12804 .doit
= nl80211_deauthenticate
,
12805 .policy
= nl80211_policy
,
12806 .flags
= GENL_UNS_ADMIN_PERM
,
12807 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12808 NL80211_FLAG_NEED_RTNL
,
12811 .cmd
= NL80211_CMD_DISASSOCIATE
,
12812 .doit
= nl80211_disassociate
,
12813 .policy
= nl80211_policy
,
12814 .flags
= GENL_UNS_ADMIN_PERM
,
12815 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12816 NL80211_FLAG_NEED_RTNL
,
12819 .cmd
= NL80211_CMD_JOIN_IBSS
,
12820 .doit
= nl80211_join_ibss
,
12821 .policy
= nl80211_policy
,
12822 .flags
= GENL_UNS_ADMIN_PERM
,
12823 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12824 NL80211_FLAG_NEED_RTNL
,
12827 .cmd
= NL80211_CMD_LEAVE_IBSS
,
12828 .doit
= nl80211_leave_ibss
,
12829 .policy
= nl80211_policy
,
12830 .flags
= GENL_UNS_ADMIN_PERM
,
12831 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12832 NL80211_FLAG_NEED_RTNL
,
12834 #ifdef CONFIG_NL80211_TESTMODE
12836 .cmd
= NL80211_CMD_TESTMODE
,
12837 .doit
= nl80211_testmode_do
,
12838 .dumpit
= nl80211_testmode_dump
,
12839 .policy
= nl80211_policy
,
12840 .flags
= GENL_UNS_ADMIN_PERM
,
12841 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12842 NL80211_FLAG_NEED_RTNL
,
12846 .cmd
= NL80211_CMD_CONNECT
,
12847 .doit
= nl80211_connect
,
12848 .policy
= nl80211_policy
,
12849 .flags
= GENL_UNS_ADMIN_PERM
,
12850 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12851 NL80211_FLAG_NEED_RTNL
,
12854 .cmd
= NL80211_CMD_UPDATE_CONNECT_PARAMS
,
12855 .doit
= nl80211_update_connect_params
,
12856 .policy
= nl80211_policy
,
12857 .flags
= GENL_ADMIN_PERM
,
12858 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12859 NL80211_FLAG_NEED_RTNL
,
12862 .cmd
= NL80211_CMD_DISCONNECT
,
12863 .doit
= nl80211_disconnect
,
12864 .policy
= nl80211_policy
,
12865 .flags
= GENL_UNS_ADMIN_PERM
,
12866 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12867 NL80211_FLAG_NEED_RTNL
,
12870 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
12871 .doit
= nl80211_wiphy_netns
,
12872 .policy
= nl80211_policy
,
12873 .flags
= GENL_UNS_ADMIN_PERM
,
12874 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12875 NL80211_FLAG_NEED_RTNL
,
12878 .cmd
= NL80211_CMD_GET_SURVEY
,
12879 .policy
= nl80211_policy
,
12880 .dumpit
= nl80211_dump_survey
,
12883 .cmd
= NL80211_CMD_SET_PMKSA
,
12884 .doit
= nl80211_setdel_pmksa
,
12885 .policy
= nl80211_policy
,
12886 .flags
= GENL_UNS_ADMIN_PERM
,
12887 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12888 NL80211_FLAG_NEED_RTNL
,
12891 .cmd
= NL80211_CMD_DEL_PMKSA
,
12892 .doit
= nl80211_setdel_pmksa
,
12893 .policy
= nl80211_policy
,
12894 .flags
= GENL_UNS_ADMIN_PERM
,
12895 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12896 NL80211_FLAG_NEED_RTNL
,
12899 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
12900 .doit
= nl80211_flush_pmksa
,
12901 .policy
= nl80211_policy
,
12902 .flags
= GENL_UNS_ADMIN_PERM
,
12903 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12904 NL80211_FLAG_NEED_RTNL
,
12907 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
12908 .doit
= nl80211_remain_on_channel
,
12909 .policy
= nl80211_policy
,
12910 .flags
= GENL_UNS_ADMIN_PERM
,
12911 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12912 NL80211_FLAG_NEED_RTNL
,
12915 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12916 .doit
= nl80211_cancel_remain_on_channel
,
12917 .policy
= nl80211_policy
,
12918 .flags
= GENL_UNS_ADMIN_PERM
,
12919 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12920 NL80211_FLAG_NEED_RTNL
,
12923 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
12924 .doit
= nl80211_set_tx_bitrate_mask
,
12925 .policy
= nl80211_policy
,
12926 .flags
= GENL_UNS_ADMIN_PERM
,
12927 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12928 NL80211_FLAG_NEED_RTNL
,
12931 .cmd
= NL80211_CMD_REGISTER_FRAME
,
12932 .doit
= nl80211_register_mgmt
,
12933 .policy
= nl80211_policy
,
12934 .flags
= GENL_UNS_ADMIN_PERM
,
12935 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12936 NL80211_FLAG_NEED_RTNL
,
12939 .cmd
= NL80211_CMD_FRAME
,
12940 .doit
= nl80211_tx_mgmt
,
12941 .policy
= nl80211_policy
,
12942 .flags
= GENL_UNS_ADMIN_PERM
,
12943 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12944 NL80211_FLAG_NEED_RTNL
,
12947 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
12948 .doit
= nl80211_tx_mgmt_cancel_wait
,
12949 .policy
= nl80211_policy
,
12950 .flags
= GENL_UNS_ADMIN_PERM
,
12951 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12952 NL80211_FLAG_NEED_RTNL
,
12955 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
12956 .doit
= nl80211_set_power_save
,
12957 .policy
= nl80211_policy
,
12958 .flags
= GENL_UNS_ADMIN_PERM
,
12959 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12960 NL80211_FLAG_NEED_RTNL
,
12963 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
12964 .doit
= nl80211_get_power_save
,
12965 .policy
= nl80211_policy
,
12966 /* can be retrieved by unprivileged users */
12967 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12968 NL80211_FLAG_NEED_RTNL
,
12971 .cmd
= NL80211_CMD_SET_CQM
,
12972 .doit
= nl80211_set_cqm
,
12973 .policy
= nl80211_policy
,
12974 .flags
= GENL_UNS_ADMIN_PERM
,
12975 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12976 NL80211_FLAG_NEED_RTNL
,
12979 .cmd
= NL80211_CMD_SET_CHANNEL
,
12980 .doit
= nl80211_set_channel
,
12981 .policy
= nl80211_policy
,
12982 .flags
= GENL_UNS_ADMIN_PERM
,
12983 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12984 NL80211_FLAG_NEED_RTNL
,
12987 .cmd
= NL80211_CMD_SET_WDS_PEER
,
12988 .doit
= nl80211_set_wds_peer
,
12989 .policy
= nl80211_policy
,
12990 .flags
= GENL_UNS_ADMIN_PERM
,
12991 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12992 NL80211_FLAG_NEED_RTNL
,
12995 .cmd
= NL80211_CMD_JOIN_MESH
,
12996 .doit
= nl80211_join_mesh
,
12997 .policy
= nl80211_policy
,
12998 .flags
= GENL_UNS_ADMIN_PERM
,
12999 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13000 NL80211_FLAG_NEED_RTNL
,
13003 .cmd
= NL80211_CMD_LEAVE_MESH
,
13004 .doit
= nl80211_leave_mesh
,
13005 .policy
= nl80211_policy
,
13006 .flags
= GENL_UNS_ADMIN_PERM
,
13007 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13008 NL80211_FLAG_NEED_RTNL
,
13011 .cmd
= NL80211_CMD_JOIN_OCB
,
13012 .doit
= nl80211_join_ocb
,
13013 .policy
= nl80211_policy
,
13014 .flags
= GENL_UNS_ADMIN_PERM
,
13015 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13016 NL80211_FLAG_NEED_RTNL
,
13019 .cmd
= NL80211_CMD_LEAVE_OCB
,
13020 .doit
= nl80211_leave_ocb
,
13021 .policy
= nl80211_policy
,
13022 .flags
= GENL_UNS_ADMIN_PERM
,
13023 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13024 NL80211_FLAG_NEED_RTNL
,
13028 .cmd
= NL80211_CMD_GET_WOWLAN
,
13029 .doit
= nl80211_get_wowlan
,
13030 .policy
= nl80211_policy
,
13031 /* can be retrieved by unprivileged users */
13032 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13033 NL80211_FLAG_NEED_RTNL
,
13036 .cmd
= NL80211_CMD_SET_WOWLAN
,
13037 .doit
= nl80211_set_wowlan
,
13038 .policy
= nl80211_policy
,
13039 .flags
= GENL_UNS_ADMIN_PERM
,
13040 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13041 NL80211_FLAG_NEED_RTNL
,
13045 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
13046 .doit
= nl80211_set_rekey_data
,
13047 .policy
= nl80211_policy
,
13048 .flags
= GENL_UNS_ADMIN_PERM
,
13049 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13050 NL80211_FLAG_NEED_RTNL
|
13051 NL80211_FLAG_CLEAR_SKB
,
13054 .cmd
= NL80211_CMD_TDLS_MGMT
,
13055 .doit
= nl80211_tdls_mgmt
,
13056 .policy
= nl80211_policy
,
13057 .flags
= GENL_UNS_ADMIN_PERM
,
13058 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13059 NL80211_FLAG_NEED_RTNL
,
13062 .cmd
= NL80211_CMD_TDLS_OPER
,
13063 .doit
= nl80211_tdls_oper
,
13064 .policy
= nl80211_policy
,
13065 .flags
= GENL_UNS_ADMIN_PERM
,
13066 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13067 NL80211_FLAG_NEED_RTNL
,
13070 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
13071 .doit
= nl80211_register_unexpected_frame
,
13072 .policy
= nl80211_policy
,
13073 .flags
= GENL_UNS_ADMIN_PERM
,
13074 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13075 NL80211_FLAG_NEED_RTNL
,
13078 .cmd
= NL80211_CMD_PROBE_CLIENT
,
13079 .doit
= nl80211_probe_client
,
13080 .policy
= nl80211_policy
,
13081 .flags
= GENL_UNS_ADMIN_PERM
,
13082 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13083 NL80211_FLAG_NEED_RTNL
,
13086 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
13087 .doit
= nl80211_register_beacons
,
13088 .policy
= nl80211_policy
,
13089 .flags
= GENL_UNS_ADMIN_PERM
,
13090 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13091 NL80211_FLAG_NEED_RTNL
,
13094 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
13095 .doit
= nl80211_set_noack_map
,
13096 .policy
= nl80211_policy
,
13097 .flags
= GENL_UNS_ADMIN_PERM
,
13098 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13099 NL80211_FLAG_NEED_RTNL
,
13102 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
13103 .doit
= nl80211_start_p2p_device
,
13104 .policy
= nl80211_policy
,
13105 .flags
= GENL_UNS_ADMIN_PERM
,
13106 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13107 NL80211_FLAG_NEED_RTNL
,
13110 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
13111 .doit
= nl80211_stop_p2p_device
,
13112 .policy
= nl80211_policy
,
13113 .flags
= GENL_UNS_ADMIN_PERM
,
13114 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13115 NL80211_FLAG_NEED_RTNL
,
13118 .cmd
= NL80211_CMD_START_NAN
,
13119 .doit
= nl80211_start_nan
,
13120 .policy
= nl80211_policy
,
13121 .flags
= GENL_ADMIN_PERM
,
13122 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13123 NL80211_FLAG_NEED_RTNL
,
13126 .cmd
= NL80211_CMD_STOP_NAN
,
13127 .doit
= nl80211_stop_nan
,
13128 .policy
= nl80211_policy
,
13129 .flags
= GENL_ADMIN_PERM
,
13130 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13131 NL80211_FLAG_NEED_RTNL
,
13134 .cmd
= NL80211_CMD_ADD_NAN_FUNCTION
,
13135 .doit
= nl80211_nan_add_func
,
13136 .policy
= nl80211_policy
,
13137 .flags
= GENL_ADMIN_PERM
,
13138 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13139 NL80211_FLAG_NEED_RTNL
,
13142 .cmd
= NL80211_CMD_DEL_NAN_FUNCTION
,
13143 .doit
= nl80211_nan_del_func
,
13144 .policy
= nl80211_policy
,
13145 .flags
= GENL_ADMIN_PERM
,
13146 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13147 NL80211_FLAG_NEED_RTNL
,
13150 .cmd
= NL80211_CMD_CHANGE_NAN_CONFIG
,
13151 .doit
= nl80211_nan_change_config
,
13152 .policy
= nl80211_policy
,
13153 .flags
= GENL_ADMIN_PERM
,
13154 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13155 NL80211_FLAG_NEED_RTNL
,
13158 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
13159 .doit
= nl80211_set_mcast_rate
,
13160 .policy
= nl80211_policy
,
13161 .flags
= GENL_UNS_ADMIN_PERM
,
13162 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13163 NL80211_FLAG_NEED_RTNL
,
13166 .cmd
= NL80211_CMD_SET_MAC_ACL
,
13167 .doit
= nl80211_set_mac_acl
,
13168 .policy
= nl80211_policy
,
13169 .flags
= GENL_UNS_ADMIN_PERM
,
13170 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13171 NL80211_FLAG_NEED_RTNL
,
13174 .cmd
= NL80211_CMD_RADAR_DETECT
,
13175 .doit
= nl80211_start_radar_detection
,
13176 .policy
= nl80211_policy
,
13177 .flags
= GENL_UNS_ADMIN_PERM
,
13178 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13179 NL80211_FLAG_NEED_RTNL
,
13182 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
13183 .doit
= nl80211_get_protocol_features
,
13184 .policy
= nl80211_policy
,
13187 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
13188 .doit
= nl80211_update_ft_ies
,
13189 .policy
= nl80211_policy
,
13190 .flags
= GENL_UNS_ADMIN_PERM
,
13191 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13192 NL80211_FLAG_NEED_RTNL
,
13195 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
13196 .doit
= nl80211_crit_protocol_start
,
13197 .policy
= nl80211_policy
,
13198 .flags
= GENL_UNS_ADMIN_PERM
,
13199 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13200 NL80211_FLAG_NEED_RTNL
,
13203 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
13204 .doit
= nl80211_crit_protocol_stop
,
13205 .policy
= nl80211_policy
,
13206 .flags
= GENL_UNS_ADMIN_PERM
,
13207 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13208 NL80211_FLAG_NEED_RTNL
,
13211 .cmd
= NL80211_CMD_GET_COALESCE
,
13212 .doit
= nl80211_get_coalesce
,
13213 .policy
= nl80211_policy
,
13214 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13215 NL80211_FLAG_NEED_RTNL
,
13218 .cmd
= NL80211_CMD_SET_COALESCE
,
13219 .doit
= nl80211_set_coalesce
,
13220 .policy
= nl80211_policy
,
13221 .flags
= GENL_UNS_ADMIN_PERM
,
13222 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13223 NL80211_FLAG_NEED_RTNL
,
13226 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
13227 .doit
= nl80211_channel_switch
,
13228 .policy
= nl80211_policy
,
13229 .flags
= GENL_UNS_ADMIN_PERM
,
13230 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13231 NL80211_FLAG_NEED_RTNL
,
13234 .cmd
= NL80211_CMD_VENDOR
,
13235 .doit
= nl80211_vendor_cmd
,
13236 .dumpit
= nl80211_vendor_cmd_dump
,
13237 .policy
= nl80211_policy
,
13238 .flags
= GENL_UNS_ADMIN_PERM
,
13239 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13240 NL80211_FLAG_NEED_RTNL
,
13243 .cmd
= NL80211_CMD_SET_QOS_MAP
,
13244 .doit
= nl80211_set_qos_map
,
13245 .policy
= nl80211_policy
,
13246 .flags
= GENL_UNS_ADMIN_PERM
,
13247 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13248 NL80211_FLAG_NEED_RTNL
,
13251 .cmd
= NL80211_CMD_ADD_TX_TS
,
13252 .doit
= nl80211_add_tx_ts
,
13253 .policy
= nl80211_policy
,
13254 .flags
= GENL_UNS_ADMIN_PERM
,
13255 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13256 NL80211_FLAG_NEED_RTNL
,
13259 .cmd
= NL80211_CMD_DEL_TX_TS
,
13260 .doit
= nl80211_del_tx_ts
,
13261 .policy
= nl80211_policy
,
13262 .flags
= GENL_UNS_ADMIN_PERM
,
13263 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13264 NL80211_FLAG_NEED_RTNL
,
13267 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
13268 .doit
= nl80211_tdls_channel_switch
,
13269 .policy
= nl80211_policy
,
13270 .flags
= GENL_UNS_ADMIN_PERM
,
13271 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13272 NL80211_FLAG_NEED_RTNL
,
13275 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
13276 .doit
= nl80211_tdls_cancel_channel_switch
,
13277 .policy
= nl80211_policy
,
13278 .flags
= GENL_UNS_ADMIN_PERM
,
13279 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13280 NL80211_FLAG_NEED_RTNL
,
13283 .cmd
= NL80211_CMD_SET_MULTICAST_TO_UNICAST
,
13284 .doit
= nl80211_set_multicast_to_unicast
,
13285 .policy
= nl80211_policy
,
13286 .flags
= GENL_UNS_ADMIN_PERM
,
13287 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13288 NL80211_FLAG_NEED_RTNL
,
13291 .cmd
= NL80211_CMD_SET_PMK
,
13292 .doit
= nl80211_set_pmk
,
13293 .policy
= nl80211_policy
,
13294 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13295 NL80211_FLAG_NEED_RTNL
,
13298 .cmd
= NL80211_CMD_DEL_PMK
,
13299 .doit
= nl80211_del_pmk
,
13300 .policy
= nl80211_policy
,
13301 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13302 NL80211_FLAG_NEED_RTNL
,
13307 static struct genl_family nl80211_fam __ro_after_init
= {
13308 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
13309 .hdrsize
= 0, /* no private header */
13310 .version
= 1, /* no particular meaning now */
13311 .maxattr
= NL80211_ATTR_MAX
,
13313 .pre_doit
= nl80211_pre_doit
,
13314 .post_doit
= nl80211_post_doit
,
13315 .module
= THIS_MODULE
,
13316 .ops
= nl80211_ops
,
13317 .n_ops
= ARRAY_SIZE(nl80211_ops
),
13318 .mcgrps
= nl80211_mcgrps
,
13319 .n_mcgrps
= ARRAY_SIZE(nl80211_mcgrps
),
13322 /* notification functions */
13324 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
13325 enum nl80211_commands cmd
)
13327 struct sk_buff
*msg
;
13328 struct nl80211_dump_wiphy_state state
= {};
13330 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
13331 cmd
!= NL80211_CMD_DEL_WIPHY
);
13333 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13337 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
13342 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13343 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13346 void nl80211_notify_iface(struct cfg80211_registered_device
*rdev
,
13347 struct wireless_dev
*wdev
,
13348 enum nl80211_commands cmd
)
13350 struct sk_buff
*msg
;
13352 WARN_ON(cmd
!= NL80211_CMD_NEW_INTERFACE
&&
13353 cmd
!= NL80211_CMD_DEL_INTERFACE
);
13355 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13359 if (nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
,
13360 cmd
== NL80211_CMD_DEL_INTERFACE
) < 0) {
13365 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13366 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13369 static int nl80211_add_scan_req(struct sk_buff
*msg
,
13370 struct cfg80211_registered_device
*rdev
)
13372 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
13373 struct nlattr
*nest
;
13379 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
13381 goto nla_put_failure
;
13382 for (i
= 0; i
< req
->n_ssids
; i
++) {
13383 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
13384 goto nla_put_failure
;
13386 nla_nest_end(msg
, nest
);
13388 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13390 goto nla_put_failure
;
13391 for (i
= 0; i
< req
->n_channels
; i
++) {
13392 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
13393 goto nla_put_failure
;
13395 nla_nest_end(msg
, nest
);
13398 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
13399 goto nla_put_failure
;
13402 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
13403 goto nla_put_failure
;
13405 if (req
->info
.scan_start_tsf
&&
13406 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
13407 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
13408 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
13409 req
->info
.tsf_bssid
)))
13410 goto nla_put_failure
;
13417 static int nl80211_prep_scan_msg(struct sk_buff
*msg
,
13418 struct cfg80211_registered_device
*rdev
,
13419 struct wireless_dev
*wdev
,
13420 u32 portid
, u32 seq
, int flags
,
13425 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
13429 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13430 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13431 wdev
->netdev
->ifindex
)) ||
13432 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13434 goto nla_put_failure
;
13436 /* ignore errors and send incomplete event anyway */
13437 nl80211_add_scan_req(msg
, rdev
);
13439 genlmsg_end(msg
, hdr
);
13443 genlmsg_cancel(msg
, hdr
);
13448 nl80211_prep_sched_scan_msg(struct sk_buff
*msg
,
13449 struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13453 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13457 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
,
13458 wiphy_to_rdev(req
->wiphy
)->wiphy_idx
) ||
13459 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, req
->dev
->ifindex
) ||
13460 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, req
->reqid
,
13462 goto nla_put_failure
;
13464 genlmsg_end(msg
, hdr
);
13468 genlmsg_cancel(msg
, hdr
);
13472 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
13473 struct wireless_dev
*wdev
)
13475 struct sk_buff
*msg
;
13477 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13481 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13482 NL80211_CMD_TRIGGER_SCAN
) < 0) {
13487 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13488 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13491 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
13492 struct wireless_dev
*wdev
, bool aborted
)
13494 struct sk_buff
*msg
;
13496 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13500 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13501 aborted
? NL80211_CMD_SCAN_ABORTED
:
13502 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
13510 /* send message created by nl80211_build_scan_msg() */
13511 void nl80211_send_scan_msg(struct cfg80211_registered_device
*rdev
,
13512 struct sk_buff
*msg
)
13517 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13518 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13521 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13523 struct sk_buff
*msg
;
13525 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13529 if (nl80211_prep_sched_scan_msg(msg
, req
, cmd
) < 0) {
13534 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(req
->wiphy
), msg
, 0,
13535 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13538 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
13539 struct regulatory_request
*request
)
13541 /* Userspace can always count this one always being set */
13542 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
13543 goto nla_put_failure
;
13545 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
13546 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13547 NL80211_REGDOM_TYPE_WORLD
))
13548 goto nla_put_failure
;
13549 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
13550 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13551 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
13552 goto nla_put_failure
;
13553 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
13554 request
->intersect
) {
13555 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13556 NL80211_REGDOM_TYPE_INTERSECTION
))
13557 goto nla_put_failure
;
13559 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13560 NL80211_REGDOM_TYPE_COUNTRY
) ||
13561 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
13563 goto nla_put_failure
;
13566 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
13567 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
13570 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
13571 goto nla_put_failure
;
13574 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
13575 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
13576 goto nla_put_failure
;
13586 * This can happen on global regulatory changes or device specific settings
13587 * based on custom regulatory domains.
13589 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
13590 struct regulatory_request
*request
)
13592 struct sk_buff
*msg
;
13595 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13599 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
13605 if (nl80211_reg_change_event_fill(msg
, request
) == false)
13606 goto nla_put_failure
;
13608 genlmsg_end(msg
, hdr
);
13611 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
13612 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
13618 genlmsg_cancel(msg
, hdr
);
13622 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
13623 struct net_device
*netdev
,
13624 const u8
*buf
, size_t len
,
13625 enum nl80211_commands cmd
, gfp_t gfp
,
13628 struct sk_buff
*msg
;
13631 msg
= nlmsg_new(100 + len
, gfp
);
13635 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13641 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13642 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13643 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
13644 goto nla_put_failure
;
13646 if (uapsd_queues
>= 0) {
13647 struct nlattr
*nla_wmm
=
13648 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
13650 goto nla_put_failure
;
13652 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
13654 goto nla_put_failure
;
13656 nla_nest_end(msg
, nla_wmm
);
13659 genlmsg_end(msg
, hdr
);
13661 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13662 NL80211_MCGRP_MLME
, gfp
);
13666 genlmsg_cancel(msg
, hdr
);
13670 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
13671 struct net_device
*netdev
, const u8
*buf
,
13672 size_t len
, gfp_t gfp
)
13674 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13675 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
13678 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
13679 struct net_device
*netdev
, const u8
*buf
,
13680 size_t len
, gfp_t gfp
, int uapsd_queues
)
13682 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13683 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
13686 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
13687 struct net_device
*netdev
, const u8
*buf
,
13688 size_t len
, gfp_t gfp
)
13690 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13691 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
13694 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
13695 struct net_device
*netdev
, const u8
*buf
,
13696 size_t len
, gfp_t gfp
)
13698 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13699 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
13702 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
13705 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13706 struct wiphy
*wiphy
= wdev
->wiphy
;
13707 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13708 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
13711 if (WARN_ON(len
< 2))
13714 if (ieee80211_is_deauth(mgmt
->frame_control
))
13715 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
13717 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
13719 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
13720 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
13722 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
13724 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
13725 struct net_device
*netdev
, int cmd
,
13726 const u8
*addr
, gfp_t gfp
)
13728 struct sk_buff
*msg
;
13731 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13735 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13741 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13742 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13743 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13744 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
13745 goto nla_put_failure
;
13747 genlmsg_end(msg
, hdr
);
13749 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13750 NL80211_MCGRP_MLME
, gfp
);
13754 genlmsg_cancel(msg
, hdr
);
13758 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
13759 struct net_device
*netdev
, const u8
*addr
,
13762 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
13766 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
13767 struct net_device
*netdev
, const u8
*addr
,
13770 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
13774 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
13775 struct net_device
*netdev
,
13776 struct cfg80211_connect_resp_params
*cr
,
13779 struct sk_buff
*msg
;
13782 msg
= nlmsg_new(100 + cr
->req_ie_len
+ cr
->resp_ie_len
+
13783 cr
->fils_kek_len
+ cr
->pmk_len
+
13784 (cr
->pmkid
? WLAN_PMKID_LEN
: 0), gfp
);
13788 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
13794 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13795 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13797 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, cr
->bssid
)) ||
13798 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
13799 cr
->status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
13802 (nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13803 nla_put_u32(msg
, NL80211_ATTR_TIMEOUT_REASON
,
13804 cr
->timeout_reason
))) ||
13806 nla_put(msg
, NL80211_ATTR_REQ_IE
, cr
->req_ie_len
, cr
->req_ie
)) ||
13808 nla_put(msg
, NL80211_ATTR_RESP_IE
, cr
->resp_ie_len
,
13810 (cr
->update_erp_next_seq_num
&&
13811 nla_put_u16(msg
, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
,
13812 cr
->fils_erp_next_seq_num
)) ||
13813 (cr
->status
== WLAN_STATUS_SUCCESS
&&
13815 nla_put(msg
, NL80211_ATTR_FILS_KEK
, cr
->fils_kek_len
,
13818 nla_put(msg
, NL80211_ATTR_PMK
, cr
->pmk_len
, cr
->pmk
)) ||
13820 nla_put(msg
, NL80211_ATTR_PMKID
, WLAN_PMKID_LEN
, cr
->pmkid
)))))
13821 goto nla_put_failure
;
13823 genlmsg_end(msg
, hdr
);
13825 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13826 NL80211_MCGRP_MLME
, gfp
);
13830 genlmsg_cancel(msg
, hdr
);
13834 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
13835 struct net_device
*netdev
,
13836 struct cfg80211_roam_info
*info
, gfp_t gfp
)
13838 struct sk_buff
*msg
;
13840 const u8
*bssid
= info
->bss
? info
->bss
->bssid
: info
->bssid
;
13842 msg
= nlmsg_new(100 + info
->req_ie_len
+ info
->resp_ie_len
, gfp
);
13846 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
13852 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13853 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13854 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
13856 nla_put(msg
, NL80211_ATTR_REQ_IE
, info
->req_ie_len
,
13859 nla_put(msg
, NL80211_ATTR_RESP_IE
, info
->resp_ie_len
,
13861 goto nla_put_failure
;
13863 genlmsg_end(msg
, hdr
);
13865 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13866 NL80211_MCGRP_MLME
, gfp
);
13870 genlmsg_cancel(msg
, hdr
);
13874 void nl80211_send_port_authorized(struct cfg80211_registered_device
*rdev
,
13875 struct net_device
*netdev
, const u8
*bssid
)
13877 struct sk_buff
*msg
;
13880 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13884 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED
);
13890 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13891 goto nla_put_failure
;
13893 genlmsg_end(msg
, hdr
);
13895 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13896 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13900 genlmsg_cancel(msg
, hdr
);
13904 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
13905 struct net_device
*netdev
, u16 reason
,
13906 const u8
*ie
, size_t ie_len
, bool from_ap
)
13908 struct sk_buff
*msg
;
13911 msg
= nlmsg_new(100 + ie_len
, GFP_KERNEL
);
13915 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
13921 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13922 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13923 (from_ap
&& reason
&&
13924 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
13926 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
13927 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
13928 goto nla_put_failure
;
13930 genlmsg_end(msg
, hdr
);
13932 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13933 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13937 genlmsg_cancel(msg
, hdr
);
13941 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
13942 struct net_device
*netdev
, const u8
*bssid
,
13945 struct sk_buff
*msg
;
13948 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13952 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
13958 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13959 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13960 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13961 goto nla_put_failure
;
13963 genlmsg_end(msg
, hdr
);
13965 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13966 NL80211_MCGRP_MLME
, gfp
);
13970 genlmsg_cancel(msg
, hdr
);
13974 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
13975 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
13977 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13978 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13979 struct sk_buff
*msg
;
13982 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
13985 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
13987 msg
= nlmsg_new(100 + ie_len
, gfp
);
13991 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
13997 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13998 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13999 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14001 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
14002 goto nla_put_failure
;
14004 genlmsg_end(msg
, hdr
);
14006 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14007 NL80211_MCGRP_MLME
, gfp
);
14011 genlmsg_cancel(msg
, hdr
);
14014 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
14016 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
14017 struct net_device
*netdev
, const u8
*addr
,
14018 enum nl80211_key_type key_type
, int key_id
,
14019 const u8
*tsc
, gfp_t gfp
)
14021 struct sk_buff
*msg
;
14024 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14028 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
14034 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14035 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14036 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
14037 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
14039 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
14040 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
14041 goto nla_put_failure
;
14043 genlmsg_end(msg
, hdr
);
14045 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14046 NL80211_MCGRP_MLME
, gfp
);
14050 genlmsg_cancel(msg
, hdr
);
14054 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
14055 struct ieee80211_channel
*channel_before
,
14056 struct ieee80211_channel
*channel_after
)
14058 struct sk_buff
*msg
;
14060 struct nlattr
*nl_freq
;
14062 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
14066 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
14073 * Since we are applying the beacon hint to a wiphy we know its
14074 * wiphy_idx is valid
14076 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
14077 goto nla_put_failure
;
14080 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
14082 goto nla_put_failure
;
14083 if (nl80211_msg_put_channel(msg
, channel_before
, false))
14084 goto nla_put_failure
;
14085 nla_nest_end(msg
, nl_freq
);
14088 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
14090 goto nla_put_failure
;
14091 if (nl80211_msg_put_channel(msg
, channel_after
, false))
14092 goto nla_put_failure
;
14093 nla_nest_end(msg
, nl_freq
);
14095 genlmsg_end(msg
, hdr
);
14098 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
14099 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
14105 genlmsg_cancel(msg
, hdr
);
14109 static void nl80211_send_remain_on_chan_event(
14110 int cmd
, struct cfg80211_registered_device
*rdev
,
14111 struct wireless_dev
*wdev
, u64 cookie
,
14112 struct ieee80211_channel
*chan
,
14113 unsigned int duration
, gfp_t gfp
)
14115 struct sk_buff
*msg
;
14118 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14122 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14128 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14129 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14130 wdev
->netdev
->ifindex
)) ||
14131 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14132 NL80211_ATTR_PAD
) ||
14133 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
14134 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
14135 NL80211_CHAN_NO_HT
) ||
14136 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14138 goto nla_put_failure
;
14140 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
14141 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
14142 goto nla_put_failure
;
14144 genlmsg_end(msg
, hdr
);
14146 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14147 NL80211_MCGRP_MLME
, gfp
);
14151 genlmsg_cancel(msg
, hdr
);
14155 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
14156 struct ieee80211_channel
*chan
,
14157 unsigned int duration
, gfp_t gfp
)
14159 struct wiphy
*wiphy
= wdev
->wiphy
;
14160 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14162 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
14163 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
14164 rdev
, wdev
, cookie
, chan
,
14167 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
14169 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
14170 struct ieee80211_channel
*chan
,
14173 struct wiphy
*wiphy
= wdev
->wiphy
;
14174 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14176 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
14177 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
14178 rdev
, wdev
, cookie
, chan
, 0, gfp
);
14180 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
14182 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
14183 struct station_info
*sinfo
, gfp_t gfp
)
14185 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14186 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14187 struct sk_buff
*msg
;
14189 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
14191 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14195 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
14196 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14201 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14202 NL80211_MCGRP_MLME
, gfp
);
14204 EXPORT_SYMBOL(cfg80211_new_sta
);
14206 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
14207 struct station_info
*sinfo
, gfp_t gfp
)
14209 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14210 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14211 struct sk_buff
*msg
;
14212 struct station_info empty_sinfo
= {};
14215 sinfo
= &empty_sinfo
;
14217 trace_cfg80211_del_sta(dev
, mac_addr
);
14219 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14223 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
14224 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14229 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14230 NL80211_MCGRP_MLME
, gfp
);
14232 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
14234 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
14235 enum nl80211_connect_failed_reason reason
,
14238 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14239 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14240 struct sk_buff
*msg
;
14243 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
14247 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
14253 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14254 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
14255 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
14256 goto nla_put_failure
;
14258 genlmsg_end(msg
, hdr
);
14260 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14261 NL80211_MCGRP_MLME
, gfp
);
14265 genlmsg_cancel(msg
, hdr
);
14268 EXPORT_SYMBOL(cfg80211_conn_failed
);
14270 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
14271 const u8
*addr
, gfp_t gfp
)
14273 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14274 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14275 struct sk_buff
*msg
;
14277 u32 nlportid
= READ_ONCE(wdev
->ap_unexpected_nlportid
);
14282 msg
= nlmsg_new(100, gfp
);
14286 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14292 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14293 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14294 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
14295 goto nla_put_failure
;
14297 genlmsg_end(msg
, hdr
);
14298 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14302 genlmsg_cancel(msg
, hdr
);
14307 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
14308 const u8
*addr
, gfp_t gfp
)
14310 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14313 trace_cfg80211_rx_spurious_frame(dev
, addr
);
14315 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14316 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
14317 trace_cfg80211_return_bool(false);
14320 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
14322 trace_cfg80211_return_bool(ret
);
14325 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
14327 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
14328 const u8
*addr
, gfp_t gfp
)
14330 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14333 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
14335 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14336 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
14337 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
14338 trace_cfg80211_return_bool(false);
14341 ret
= __nl80211_unexpected_frame(dev
,
14342 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
14344 trace_cfg80211_return_bool(ret
);
14347 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
14349 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
14350 struct wireless_dev
*wdev
, u32 nlportid
,
14351 int freq
, int sig_dbm
,
14352 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
14354 struct net_device
*netdev
= wdev
->netdev
;
14355 struct sk_buff
*msg
;
14358 msg
= nlmsg_new(100 + len
, gfp
);
14362 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14368 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14369 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14370 netdev
->ifindex
)) ||
14371 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14372 NL80211_ATTR_PAD
) ||
14373 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
14375 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14376 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14378 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
14379 goto nla_put_failure
;
14381 genlmsg_end(msg
, hdr
);
14383 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14386 genlmsg_cancel(msg
, hdr
);
14391 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
14392 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
14394 struct wiphy
*wiphy
= wdev
->wiphy
;
14395 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14396 struct net_device
*netdev
= wdev
->netdev
;
14397 struct sk_buff
*msg
;
14400 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
14402 msg
= nlmsg_new(100 + len
, gfp
);
14406 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
14412 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14413 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14414 netdev
->ifindex
)) ||
14415 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14416 NL80211_ATTR_PAD
) ||
14417 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14418 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14419 NL80211_ATTR_PAD
) ||
14420 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14421 goto nla_put_failure
;
14423 genlmsg_end(msg
, hdr
);
14425 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14426 NL80211_MCGRP_MLME
, gfp
);
14430 genlmsg_cancel(msg
, hdr
);
14433 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
14435 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
14436 const char *mac
, gfp_t gfp
)
14438 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14439 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14440 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14446 cb
= (void **)msg
->cb
;
14448 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
14454 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14455 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
14456 goto nla_put_failure
;
14458 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
14459 goto nla_put_failure
;
14461 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
14463 goto nla_put_failure
;
14473 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
14475 void **cb
= (void **)msg
->cb
;
14476 struct cfg80211_registered_device
*rdev
= cb
[2];
14478 nla_nest_end(msg
, cb
[1]);
14479 genlmsg_end(msg
, cb
[0]);
14481 memset(msg
->cb
, 0, sizeof(msg
->cb
));
14483 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14484 NL80211_MCGRP_MLME
, gfp
);
14487 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
14488 enum nl80211_cqm_rssi_threshold_event rssi_event
,
14489 s32 rssi_level
, gfp_t gfp
)
14491 struct sk_buff
*msg
;
14492 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14493 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14495 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
, rssi_level
);
14497 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
14498 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
14501 if (wdev
->cqm_config
) {
14502 wdev
->cqm_config
->last_rssi_event_value
= rssi_level
;
14504 cfg80211_cqm_rssi_update(rdev
, dev
);
14506 if (rssi_level
== 0)
14507 rssi_level
= wdev
->cqm_config
->last_rssi_event_value
;
14510 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14514 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
14516 goto nla_put_failure
;
14518 if (rssi_level
&& nla_put_s32(msg
, NL80211_ATTR_CQM_RSSI_LEVEL
,
14520 goto nla_put_failure
;
14522 cfg80211_send_cqm(msg
, gfp
);
14529 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
14531 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
14532 const u8
*peer
, u32 num_packets
,
14533 u32 rate
, u32 intvl
, gfp_t gfp
)
14535 struct sk_buff
*msg
;
14537 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14541 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
14542 goto nla_put_failure
;
14544 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
14545 goto nla_put_failure
;
14547 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
14548 goto nla_put_failure
;
14550 cfg80211_send_cqm(msg
, gfp
);
14556 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
14558 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
14559 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
14561 struct sk_buff
*msg
;
14563 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
14565 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14569 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
14570 goto nla_put_failure
;
14572 cfg80211_send_cqm(msg
, gfp
);
14578 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
14580 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
14582 struct sk_buff
*msg
;
14584 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14588 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
14589 goto nla_put_failure
;
14591 cfg80211_send_cqm(msg
, gfp
);
14597 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
14599 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
14600 struct net_device
*netdev
, const u8
*bssid
,
14601 const u8
*replay_ctr
, gfp_t gfp
)
14603 struct sk_buff
*msg
;
14604 struct nlattr
*rekey_attr
;
14607 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14611 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
14617 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14618 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14619 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
14620 goto nla_put_failure
;
14622 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
14624 goto nla_put_failure
;
14626 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
14627 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
14628 goto nla_put_failure
;
14630 nla_nest_end(msg
, rekey_attr
);
14632 genlmsg_end(msg
, hdr
);
14634 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14635 NL80211_MCGRP_MLME
, gfp
);
14639 genlmsg_cancel(msg
, hdr
);
14643 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
14644 const u8
*replay_ctr
, gfp_t gfp
)
14646 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14647 struct wiphy
*wiphy
= wdev
->wiphy
;
14648 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14650 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
14651 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
14653 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
14656 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
14657 struct net_device
*netdev
, int index
,
14658 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14660 struct sk_buff
*msg
;
14661 struct nlattr
*attr
;
14664 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14668 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
14674 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14675 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14676 goto nla_put_failure
;
14678 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
14680 goto nla_put_failure
;
14682 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
14683 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
14685 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
14686 goto nla_put_failure
;
14688 nla_nest_end(msg
, attr
);
14690 genlmsg_end(msg
, hdr
);
14692 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14693 NL80211_MCGRP_MLME
, gfp
);
14697 genlmsg_cancel(msg
, hdr
);
14701 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
14702 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14704 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14705 struct wiphy
*wiphy
= wdev
->wiphy
;
14706 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14708 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
14709 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
14711 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
14713 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
14714 struct net_device
*netdev
,
14715 struct cfg80211_chan_def
*chandef
,
14717 enum nl80211_commands notif
,
14720 struct sk_buff
*msg
;
14723 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14727 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
14733 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14734 goto nla_put_failure
;
14736 if (nl80211_send_chandef(msg
, chandef
))
14737 goto nla_put_failure
;
14739 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
14740 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
14741 goto nla_put_failure
;
14743 genlmsg_end(msg
, hdr
);
14745 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14746 NL80211_MCGRP_MLME
, gfp
);
14750 genlmsg_cancel(msg
, hdr
);
14754 void cfg80211_ch_switch_notify(struct net_device
*dev
,
14755 struct cfg80211_chan_def
*chandef
)
14757 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14758 struct wiphy
*wiphy
= wdev
->wiphy
;
14759 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14761 ASSERT_WDEV_LOCK(wdev
);
14763 trace_cfg80211_ch_switch_notify(dev
, chandef
);
14765 wdev
->chandef
= *chandef
;
14766 wdev
->preset_chandef
= *chandef
;
14767 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14768 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
14770 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
14772 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
14773 struct cfg80211_chan_def
*chandef
,
14776 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14777 struct wiphy
*wiphy
= wdev
->wiphy
;
14778 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14780 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
14782 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14783 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
14785 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
14788 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
14789 const struct cfg80211_chan_def
*chandef
,
14790 enum nl80211_radar_event event
,
14791 struct net_device
*netdev
, gfp_t gfp
)
14793 struct sk_buff
*msg
;
14796 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14800 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
14806 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
14807 goto nla_put_failure
;
14809 /* NOP and radar events don't need a netdev parameter */
14811 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
14813 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14814 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14816 goto nla_put_failure
;
14819 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
14820 goto nla_put_failure
;
14822 if (nl80211_send_chandef(msg
, chandef
))
14823 goto nla_put_failure
;
14825 genlmsg_end(msg
, hdr
);
14827 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14828 NL80211_MCGRP_MLME
, gfp
);
14832 genlmsg_cancel(msg
, hdr
);
14836 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
14837 u64 cookie
, bool acked
, gfp_t gfp
)
14839 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14840 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14841 struct sk_buff
*msg
;
14844 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
14846 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14851 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
14857 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14858 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14859 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14860 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14861 NL80211_ATTR_PAD
) ||
14862 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14863 goto nla_put_failure
;
14865 genlmsg_end(msg
, hdr
);
14867 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14868 NL80211_MCGRP_MLME
, gfp
);
14872 genlmsg_cancel(msg
, hdr
);
14875 EXPORT_SYMBOL(cfg80211_probe_status
);
14877 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
14878 const u8
*frame
, size_t len
,
14879 int freq
, int sig_dbm
)
14881 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14882 struct sk_buff
*msg
;
14884 struct cfg80211_beacon_registration
*reg
;
14886 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
14888 spin_lock_bh(&rdev
->beacon_registrations_lock
);
14889 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
14890 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
14892 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14896 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14898 goto nla_put_failure
;
14900 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14902 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
14904 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14905 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
14906 goto nla_put_failure
;
14908 genlmsg_end(msg
, hdr
);
14910 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
14912 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14916 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14918 genlmsg_cancel(msg
, hdr
);
14921 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
14924 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
14925 struct cfg80211_wowlan_wakeup
*wakeup
)
14927 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
14928 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
14931 nl_results
= nla_nest_start(
14932 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
14936 for (i
= 0; i
< nd
->n_matches
; i
++) {
14937 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
14939 nl_match
= nla_nest_start(msg
, i
);
14943 /* The SSID attribute is optional in nl80211, but for
14944 * simplicity reasons it's always present in the
14945 * cfg80211 structure. If a driver can't pass the
14946 * SSID, that needs to be changed. A zero length SSID
14947 * is still a valid SSID (wildcard), so it cannot be
14948 * used for this purpose.
14950 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
14951 match
->ssid
.ssid
)) {
14952 nla_nest_cancel(msg
, nl_match
);
14956 if (match
->n_channels
) {
14957 nl_freqs
= nla_nest_start(
14958 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
14960 nla_nest_cancel(msg
, nl_match
);
14964 for (j
= 0; j
< match
->n_channels
; j
++) {
14965 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
14966 nla_nest_cancel(msg
, nl_freqs
);
14967 nla_nest_cancel(msg
, nl_match
);
14972 nla_nest_end(msg
, nl_freqs
);
14975 nla_nest_end(msg
, nl_match
);
14979 nla_nest_end(msg
, nl_results
);
14983 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
14984 struct cfg80211_wowlan_wakeup
*wakeup
,
14987 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14988 struct sk_buff
*msg
;
14992 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
14995 size
+= wakeup
->packet_present_len
;
14997 msg
= nlmsg_new(size
, gfp
);
15001 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
15005 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15006 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15010 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
15011 wdev
->netdev
->ifindex
))
15015 struct nlattr
*reasons
;
15017 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
15021 if (wakeup
->disconnect
&&
15022 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
15024 if (wakeup
->magic_pkt
&&
15025 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
15027 if (wakeup
->gtk_rekey_failure
&&
15028 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
15030 if (wakeup
->eap_identity_req
&&
15031 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
15033 if (wakeup
->four_way_handshake
&&
15034 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
15036 if (wakeup
->rfkill_release
&&
15037 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
15040 if (wakeup
->pattern_idx
>= 0 &&
15041 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
15042 wakeup
->pattern_idx
))
15045 if (wakeup
->tcp_match
&&
15046 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
15049 if (wakeup
->tcp_connlost
&&
15050 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
15053 if (wakeup
->tcp_nomoretokens
&&
15055 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
15058 if (wakeup
->packet
) {
15059 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
15060 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
15062 if (!wakeup
->packet_80211
) {
15064 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
15066 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
15069 if (wakeup
->packet_len
&&
15070 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
15073 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
15078 if (wakeup
->net_detect
&&
15079 cfg80211_net_detect_results(msg
, wakeup
))
15082 nla_nest_end(msg
, reasons
);
15085 genlmsg_end(msg
, hdr
);
15087 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15088 NL80211_MCGRP_MLME
, gfp
);
15094 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
15097 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
15098 enum nl80211_tdls_operation oper
,
15099 u16 reason_code
, gfp_t gfp
)
15101 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15102 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15103 struct sk_buff
*msg
;
15106 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
15109 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15113 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
15119 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15120 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15121 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
15122 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
15123 (reason_code
> 0 &&
15124 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
15125 goto nla_put_failure
;
15127 genlmsg_end(msg
, hdr
);
15129 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15130 NL80211_MCGRP_MLME
, gfp
);
15134 genlmsg_cancel(msg
, hdr
);
15137 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
15139 static int nl80211_netlink_notify(struct notifier_block
* nb
,
15140 unsigned long state
,
15143 struct netlink_notify
*notify
= _notify
;
15144 struct cfg80211_registered_device
*rdev
;
15145 struct wireless_dev
*wdev
;
15146 struct cfg80211_beacon_registration
*reg
, *tmp
;
15148 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
15149 return NOTIFY_DONE
;
15153 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
15154 struct cfg80211_sched_scan_request
*sched_scan_req
;
15156 list_for_each_entry_rcu(sched_scan_req
,
15157 &rdev
->sched_scan_req_list
,
15159 if (sched_scan_req
->owner_nlportid
== notify
->portid
) {
15160 sched_scan_req
->nl_owner_dead
= true;
15161 schedule_work(&rdev
->sched_scan_stop_wk
);
15165 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
15166 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
15168 if (wdev
->owner_nlportid
== notify
->portid
) {
15169 wdev
->nl_owner_dead
= true;
15170 schedule_work(&rdev
->destroy_work
);
15171 } else if (wdev
->conn_owner_nlportid
== notify
->portid
) {
15172 schedule_work(&wdev
->disconnect_wk
);
15176 spin_lock_bh(&rdev
->beacon_registrations_lock
);
15177 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
15179 if (reg
->nlportid
== notify
->portid
) {
15180 list_del(®
->list
);
15185 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
15191 * It is possible that the user space process that is controlling the
15192 * indoor setting disappeared, so notify the regulatory core.
15194 regulatory_netlink_notify(notify
->portid
);
15198 static struct notifier_block nl80211_netlink_notifier
= {
15199 .notifier_call
= nl80211_netlink_notify
,
15202 void cfg80211_ft_event(struct net_device
*netdev
,
15203 struct cfg80211_ft_event_params
*ft_event
)
15205 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
15206 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15207 struct sk_buff
*msg
;
15210 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
15212 if (!ft_event
->target_ap
)
15215 msg
= nlmsg_new(100 + ft_event
->ric_ies_len
, GFP_KERNEL
);
15219 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
15223 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15224 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
15225 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
15228 if (ft_event
->ies
&&
15229 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
15231 if (ft_event
->ric_ies
&&
15232 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
15233 ft_event
->ric_ies
))
15236 genlmsg_end(msg
, hdr
);
15238 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15239 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15244 EXPORT_SYMBOL(cfg80211_ft_event
);
15246 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
15248 struct cfg80211_registered_device
*rdev
;
15249 struct sk_buff
*msg
;
15253 rdev
= wiphy_to_rdev(wdev
->wiphy
);
15254 if (!rdev
->crit_proto_nlportid
)
15257 nlportid
= rdev
->crit_proto_nlportid
;
15258 rdev
->crit_proto_nlportid
= 0;
15260 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15264 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
15266 goto nla_put_failure
;
15268 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15269 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15271 goto nla_put_failure
;
15273 genlmsg_end(msg
, hdr
);
15275 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
15280 genlmsg_cancel(msg
, hdr
);
15283 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
15285 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
15287 struct wiphy
*wiphy
= wdev
->wiphy
;
15288 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15289 struct sk_buff
*msg
;
15292 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
15296 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
15300 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15301 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
15302 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15306 genlmsg_end(msg
, hdr
);
15308 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
15309 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15315 /* initialisation/exit functions */
15317 int __init
nl80211_init(void)
15321 err
= genl_register_family(&nl80211_fam
);
15325 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
15331 genl_unregister_family(&nl80211_fam
);
15335 void nl80211_exit(void)
15337 netlink_unregister_notifier(&nl80211_netlink_notifier
);
15338 genl_unregister_family(&nl80211_fam
);