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
;
2609 switch (wdev
->iftype
) {
2610 case NL80211_IFTYPE_AP
:
2611 if (wdev
->ssid_len
&&
2612 nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2613 goto nla_put_failure
;
2615 case NL80211_IFTYPE_STATION
:
2616 case NL80211_IFTYPE_P2P_CLIENT
:
2617 case NL80211_IFTYPE_ADHOC
: {
2619 if (!wdev
->current_bss
)
2621 ssid_ie
= ieee80211_bss_get_ie(&wdev
->current_bss
->pub
,
2625 if (nla_put(msg
, NL80211_ATTR_SSID
, ssid_ie
[1], ssid_ie
+ 2))
2626 goto nla_put_failure
;
2635 genlmsg_end(msg
, hdr
);
2639 genlmsg_cancel(msg
, hdr
);
2643 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2647 int wp_start
= cb
->args
[0];
2648 int if_start
= cb
->args
[1];
2649 int filter_wiphy
= -1;
2650 struct cfg80211_registered_device
*rdev
;
2651 struct wireless_dev
*wdev
;
2656 struct nl80211_dump_wiphy_state state
= {
2660 ret
= nl80211_dump_wiphy_parse(skb
, cb
, &state
);
2664 filter_wiphy
= state
.filter_wiphy
;
2667 * if filtering, set cb->args[2] to +1 since 0 is the default
2668 * value needed to determine that parsing is necessary.
2670 if (filter_wiphy
>= 0)
2671 cb
->args
[2] = filter_wiphy
+ 1;
2674 } else if (cb
->args
[2] > 0) {
2675 filter_wiphy
= cb
->args
[2] - 1;
2678 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2679 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2681 if (wp_idx
< wp_start
) {
2686 if (filter_wiphy
>= 0 && filter_wiphy
!= rdev
->wiphy_idx
)
2691 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
2692 if (if_idx
< if_start
) {
2696 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2697 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2698 rdev
, wdev
, false) < 0) {
2707 cb
->args
[0] = wp_idx
;
2708 cb
->args
[1] = if_idx
;
2717 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2719 struct sk_buff
*msg
;
2720 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2721 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2723 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2727 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2728 rdev
, wdev
, false) < 0) {
2733 return genlmsg_reply(msg
, info
);
2736 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2737 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2738 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2739 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2740 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2741 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2742 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2745 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2747 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2755 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
, nla
,
2756 mntr_flags_policy
, NULL
))
2759 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2761 *mntrflags
|= (1<<flag
);
2763 *mntrflags
|= MONITOR_FLAG_CHANGED
;
2768 static int nl80211_parse_mon_options(struct cfg80211_registered_device
*rdev
,
2769 enum nl80211_iftype type
,
2770 struct genl_info
*info
,
2771 struct vif_params
*params
)
2773 bool change
= false;
2776 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2777 if (type
!= NL80211_IFTYPE_MONITOR
)
2780 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2788 if (params
->flags
& MONITOR_FLAG_ACTIVE
&&
2789 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2792 if (info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]) {
2793 const u8
*mumimo_groups
;
2794 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2796 if (type
!= NL80211_IFTYPE_MONITOR
)
2799 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2803 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]);
2805 /* bits 0 and 63 are reserved and must be zero */
2806 if ((mumimo_groups
[0] & BIT(0)) ||
2807 (mumimo_groups
[VHT_MUMIMO_GROUPS_DATA_LEN
- 1] & BIT(7)))
2810 params
->vht_mumimo_groups
= mumimo_groups
;
2814 if (info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]) {
2815 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2817 if (type
!= NL80211_IFTYPE_MONITOR
)
2820 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2823 params
->vht_mumimo_follow_addr
=
2824 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]);
2828 return change
? 1 : 0;
2831 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2832 struct net_device
*netdev
, u8 use_4addr
,
2833 enum nl80211_iftype iftype
)
2836 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2842 case NL80211_IFTYPE_AP_VLAN
:
2843 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2846 case NL80211_IFTYPE_STATION
:
2847 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2857 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2859 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2860 struct vif_params params
;
2862 enum nl80211_iftype otype
, ntype
;
2863 struct net_device
*dev
= info
->user_ptr
[1];
2864 bool change
= false;
2866 memset(¶ms
, 0, sizeof(params
));
2868 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2870 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2871 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2874 if (ntype
> NL80211_IFTYPE_MAX
)
2878 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2879 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2881 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2883 if (netif_running(dev
))
2887 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2888 IEEE80211_MAX_MESH_ID_LEN
);
2889 wdev
->mesh_id_up_len
=
2890 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2891 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2892 wdev
->mesh_id_up_len
);
2896 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2897 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2899 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2903 params
.use_4addr
= -1;
2906 err
= nl80211_parse_mon_options(rdev
, ntype
, info
, ¶ms
);
2913 err
= cfg80211_change_iface(rdev
, dev
, ntype
, ¶ms
);
2917 if (!err
&& params
.use_4addr
!= -1)
2918 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2923 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2925 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2926 struct vif_params params
;
2927 struct wireless_dev
*wdev
;
2928 struct sk_buff
*msg
;
2930 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2932 /* to avoid failing a new interface creation due to pending removal */
2933 cfg80211_destroy_ifaces(rdev
);
2935 memset(¶ms
, 0, sizeof(params
));
2937 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2940 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2941 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2942 if (type
> NL80211_IFTYPE_MAX
)
2946 if (!rdev
->ops
->add_virtual_intf
||
2947 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2950 if ((type
== NL80211_IFTYPE_P2P_DEVICE
|| type
== NL80211_IFTYPE_NAN
||
2951 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2952 info
->attrs
[NL80211_ATTR_MAC
]) {
2953 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2955 if (!is_valid_ether_addr(params
.macaddr
))
2956 return -EADDRNOTAVAIL
;
2959 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2960 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2961 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2966 err
= nl80211_parse_mon_options(rdev
, type
, info
, ¶ms
);
2970 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2974 wdev
= rdev_add_virtual_intf(rdev
,
2975 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2976 NET_NAME_USER
, type
, ¶ms
);
2977 if (WARN_ON(!wdev
)) {
2980 } else if (IS_ERR(wdev
)) {
2982 return PTR_ERR(wdev
);
2985 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2986 wdev
->owner_nlportid
= info
->snd_portid
;
2989 case NL80211_IFTYPE_MESH_POINT
:
2990 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2993 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2994 IEEE80211_MAX_MESH_ID_LEN
);
2995 wdev
->mesh_id_up_len
=
2996 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2997 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2998 wdev
->mesh_id_up_len
);
3001 case NL80211_IFTYPE_NAN
:
3002 case NL80211_IFTYPE_P2P_DEVICE
:
3004 * P2P Device and NAN do not have a netdev, so don't go
3005 * through the netdev notifier and must be added here
3007 mutex_init(&wdev
->mtx
);
3008 INIT_LIST_HEAD(&wdev
->event_list
);
3009 spin_lock_init(&wdev
->event_lock
);
3010 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
3011 spin_lock_init(&wdev
->mgmt_registrations_lock
);
3013 wdev
->identifier
= ++rdev
->wdev_id
;
3014 list_add_rcu(&wdev
->list
, &rdev
->wiphy
.wdev_list
);
3015 rdev
->devlist_generation
++;
3021 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3022 rdev
, wdev
, false) < 0) {
3028 * For wdevs which have no associated netdev object (e.g. of type
3029 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
3030 * For all other types, the event will be generated from the
3034 nl80211_notify_iface(rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
);
3036 return genlmsg_reply(msg
, info
);
3039 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3041 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3042 struct wireless_dev
*wdev
= info
->user_ptr
[1];
3044 if (!rdev
->ops
->del_virtual_intf
)
3048 * If we remove a wireless device without a netdev then clear
3049 * user_ptr[1] so that nl80211_post_doit won't dereference it
3050 * to check if it needs to do dev_put(). Otherwise it crashes
3051 * since the wdev has been freed, unlike with a netdev where
3052 * we need the dev_put() for the netdev to really be freed.
3055 info
->user_ptr
[1] = NULL
;
3057 return rdev_del_virtual_intf(rdev
, wdev
);
3060 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
3062 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3063 struct net_device
*dev
= info
->user_ptr
[1];
3066 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
3069 if (!rdev
->ops
->set_noack_map
)
3072 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
3074 return rdev_set_noack_map(rdev
, dev
, noack_map
);
3077 struct get_key_cookie
{
3078 struct sk_buff
*msg
;
3083 static void get_key_callback(void *c
, struct key_params
*params
)
3086 struct get_key_cookie
*cookie
= c
;
3089 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
3090 params
->key_len
, params
->key
)) ||
3092 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
3093 params
->seq_len
, params
->seq
)) ||
3095 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
3097 goto nla_put_failure
;
3099 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
3101 goto nla_put_failure
;
3104 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
3105 params
->key_len
, params
->key
)) ||
3107 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
3108 params
->seq_len
, params
->seq
)) ||
3110 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
3112 goto nla_put_failure
;
3114 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
3115 goto nla_put_failure
;
3117 nla_nest_end(cookie
->msg
, key
);
3124 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
3126 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3128 struct net_device
*dev
= info
->user_ptr
[1];
3130 const u8
*mac_addr
= NULL
;
3132 struct get_key_cookie cookie
= {
3136 struct sk_buff
*msg
;
3138 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
3139 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
3144 if (info
->attrs
[NL80211_ATTR_MAC
])
3145 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3147 pairwise
= !!mac_addr
;
3148 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
3149 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
3151 if (kt
>= NUM_NL80211_KEYTYPES
)
3153 if (kt
!= NL80211_KEYTYPE_GROUP
&&
3154 kt
!= NL80211_KEYTYPE_PAIRWISE
)
3156 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
3159 if (!rdev
->ops
->get_key
)
3162 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3165 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3169 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3170 NL80211_CMD_NEW_KEY
);
3172 goto nla_put_failure
;
3175 cookie
.idx
= key_idx
;
3177 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3178 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3179 goto nla_put_failure
;
3181 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3182 goto nla_put_failure
;
3184 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3191 goto nla_put_failure
;
3193 genlmsg_end(msg
, hdr
);
3194 return genlmsg_reply(msg
, info
);
3203 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3205 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3206 struct key_parse key
;
3208 struct net_device
*dev
= info
->user_ptr
[1];
3210 err
= nl80211_parse_key(info
, &key
);
3217 /* only support setting default key */
3218 if (!key
.def
&& !key
.defmgmt
)
3221 wdev_lock(dev
->ieee80211_ptr
);
3224 if (!rdev
->ops
->set_default_key
) {
3229 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3233 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3234 key
.def_uni
, key
.def_multi
);
3239 #ifdef CONFIG_CFG80211_WEXT
3240 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3243 if (key
.def_uni
|| !key
.def_multi
) {
3248 if (!rdev
->ops
->set_default_mgmt_key
) {
3253 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3257 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3261 #ifdef CONFIG_CFG80211_WEXT
3262 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3267 wdev_unlock(dev
->ieee80211_ptr
);
3272 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3274 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3276 struct net_device
*dev
= info
->user_ptr
[1];
3277 struct key_parse key
;
3278 const u8
*mac_addr
= NULL
;
3280 err
= nl80211_parse_key(info
, &key
);
3287 if (info
->attrs
[NL80211_ATTR_MAC
])
3288 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3290 if (key
.type
== -1) {
3292 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3294 key
.type
= NL80211_KEYTYPE_GROUP
;
3298 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3299 key
.type
!= NL80211_KEYTYPE_GROUP
)
3302 if (!rdev
->ops
->add_key
)
3305 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3306 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3310 wdev_lock(dev
->ieee80211_ptr
);
3311 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3313 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3314 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3316 wdev_unlock(dev
->ieee80211_ptr
);
3321 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3323 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3325 struct net_device
*dev
= info
->user_ptr
[1];
3326 u8
*mac_addr
= NULL
;
3327 struct key_parse key
;
3329 err
= nl80211_parse_key(info
, &key
);
3333 if (info
->attrs
[NL80211_ATTR_MAC
])
3334 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3336 if (key
.type
== -1) {
3338 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3340 key
.type
= NL80211_KEYTYPE_GROUP
;
3344 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3345 key
.type
!= NL80211_KEYTYPE_GROUP
)
3348 if (!rdev
->ops
->del_key
)
3351 wdev_lock(dev
->ieee80211_ptr
);
3352 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3354 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3355 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3359 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3360 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3363 #ifdef CONFIG_CFG80211_WEXT
3365 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3366 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3367 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3368 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3371 wdev_unlock(dev
->ieee80211_ptr
);
3376 /* This function returns an error or the number of nested attributes */
3377 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3379 struct nlattr
*attr
;
3380 int n_entries
= 0, tmp
;
3382 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3383 if (nla_len(attr
) != ETH_ALEN
)
3393 * This function parses ACL information and allocates memory for ACL data.
3394 * On successful return, the calling function is responsible to free the
3395 * ACL buffer returned by this function.
3397 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3398 struct genl_info
*info
)
3400 enum nl80211_acl_policy acl_policy
;
3401 struct nlattr
*attr
;
3402 struct cfg80211_acl_data
*acl
;
3403 int i
= 0, n_entries
, tmp
;
3405 if (!wiphy
->max_acl_mac_addrs
)
3406 return ERR_PTR(-EOPNOTSUPP
);
3408 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3409 return ERR_PTR(-EINVAL
);
3411 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3412 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3413 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3414 return ERR_PTR(-EINVAL
);
3416 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3417 return ERR_PTR(-EINVAL
);
3419 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3421 return ERR_PTR(n_entries
);
3423 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3424 return ERR_PTR(-ENOTSUPP
);
3426 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3429 return ERR_PTR(-ENOMEM
);
3431 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3432 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3436 acl
->n_acl_entries
= n_entries
;
3437 acl
->acl_policy
= acl_policy
;
3442 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3444 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3445 struct net_device
*dev
= info
->user_ptr
[1];
3446 struct cfg80211_acl_data
*acl
;
3449 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3450 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3453 if (!dev
->ieee80211_ptr
->beacon_interval
)
3456 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3458 return PTR_ERR(acl
);
3460 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3467 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
3468 u8
*rates
, u8 rates_len
)
3473 for (i
= 0; i
< rates_len
; i
++) {
3474 int rate
= (rates
[i
] & 0x7f) * 5;
3477 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
3478 struct ieee80211_rate
*srate
=
3479 &sband
->bitrates
[ridx
];
3480 if (rate
== srate
->bitrate
) {
3485 if (ridx
== sband
->n_bitrates
)
3486 return 0; /* rate not found */
3492 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
3493 u8
*rates
, u8 rates_len
,
3494 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
3498 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3500 for (i
= 0; i
< rates_len
; i
++) {
3503 ridx
= rates
[i
] / 8;
3504 rbit
= BIT(rates
[i
] % 8);
3506 /* check validity */
3507 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
3510 /* check availability */
3511 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
3520 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
3524 switch (vht_mcs_map
) {
3525 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
3527 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
3530 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
3533 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
3543 static void vht_build_mcs_mask(u16 vht_mcs_map
,
3544 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
3548 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
3549 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
3554 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
3555 struct nl80211_txrate_vht
*txrate
,
3556 u16 mcs
[NL80211_VHT_NSS_MAX
])
3558 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3559 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
3562 if (!sband
->vht_cap
.vht_supported
)
3565 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
3567 /* Build vht_mcs_mask from VHT capabilities */
3568 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
3570 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3571 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
3572 mcs
[i
] = txrate
->mcs
[i
];
3580 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
3581 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
3582 .len
= NL80211_MAX_SUPP_RATES
},
3583 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
3584 .len
= NL80211_MAX_SUPP_HT_RATES
},
3585 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
3586 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
3589 static int nl80211_parse_tx_bitrate_mask(struct genl_info
*info
,
3590 struct cfg80211_bitrate_mask
*mask
)
3592 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
3593 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3595 struct nlattr
*tx_rates
;
3596 struct ieee80211_supported_band
*sband
;
3599 memset(mask
, 0, sizeof(*mask
));
3600 /* Default to all rates enabled */
3601 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
3602 sband
= rdev
->wiphy
.bands
[i
];
3607 mask
->control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
3608 memcpy(mask
->control
[i
].ht_mcs
,
3609 sband
->ht_cap
.mcs
.rx_mask
,
3610 sizeof(mask
->control
[i
].ht_mcs
));
3612 if (!sband
->vht_cap
.vht_supported
)
3615 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3616 vht_build_mcs_mask(vht_tx_mcs_map
, mask
->control
[i
].vht_mcs
);
3619 /* if no rates are given set it back to the defaults */
3620 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
3623 /* The nested attribute uses enum nl80211_band as the index. This maps
3624 * directly to the enum nl80211_band values used in cfg80211.
3626 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
3627 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
3628 enum nl80211_band band
= nla_type(tx_rates
);
3631 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
3633 sband
= rdev
->wiphy
.bands
[band
];
3636 err
= nla_parse_nested(tb
, NL80211_TXRATE_MAX
, tx_rates
,
3637 nl80211_txattr_policy
, info
->extack
);
3640 if (tb
[NL80211_TXRATE_LEGACY
]) {
3641 mask
->control
[band
].legacy
= rateset_to_mask(
3643 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
3644 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
3645 if ((mask
->control
[band
].legacy
== 0) &&
3646 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
3649 if (tb
[NL80211_TXRATE_HT
]) {
3650 if (!ht_rateset_to_mask(
3652 nla_data(tb
[NL80211_TXRATE_HT
]),
3653 nla_len(tb
[NL80211_TXRATE_HT
]),
3654 mask
->control
[band
].ht_mcs
))
3657 if (tb
[NL80211_TXRATE_VHT
]) {
3658 if (!vht_set_mcs_mask(
3660 nla_data(tb
[NL80211_TXRATE_VHT
]),
3661 mask
->control
[band
].vht_mcs
))
3664 if (tb
[NL80211_TXRATE_GI
]) {
3665 mask
->control
[band
].gi
=
3666 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
3667 if (mask
->control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
3671 if (mask
->control
[band
].legacy
== 0) {
3672 /* don't allow empty legacy rates if HT or VHT
3673 * are not even supported.
3675 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
3676 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
3679 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
3680 if (mask
->control
[band
].ht_mcs
[i
])
3683 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
3684 if (mask
->control
[band
].vht_mcs
[i
])
3687 /* legacy and mcs rates may not be both empty */
3696 static int validate_beacon_tx_rate(struct cfg80211_registered_device
*rdev
,
3697 enum nl80211_band band
,
3698 struct cfg80211_bitrate_mask
*beacon_rate
)
3700 u32 count_ht
, count_vht
, i
;
3701 u32 rate
= beacon_rate
->control
[band
].legacy
;
3703 /* Allow only one rate */
3704 if (hweight32(rate
) > 1)
3708 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
3709 if (hweight8(beacon_rate
->control
[band
].ht_mcs
[i
]) > 1) {
3711 } else if (beacon_rate
->control
[band
].ht_mcs
[i
]) {
3716 if (count_ht
&& rate
)
3721 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3722 if (hweight16(beacon_rate
->control
[band
].vht_mcs
[i
]) > 1) {
3724 } else if (beacon_rate
->control
[band
].vht_mcs
[i
]) {
3729 if (count_vht
&& rate
)
3733 if ((count_ht
&& count_vht
) || (!rate
&& !count_ht
&& !count_vht
))
3737 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3738 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY
))
3741 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3742 NL80211_EXT_FEATURE_BEACON_RATE_HT
))
3745 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3746 NL80211_EXT_FEATURE_BEACON_RATE_VHT
))
3752 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3753 struct cfg80211_beacon_data
*bcn
)
3755 bool haveinfo
= false;
3757 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3758 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3759 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3760 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3763 memset(bcn
, 0, sizeof(*bcn
));
3765 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3766 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3767 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3773 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3774 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3775 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3782 if (attrs
[NL80211_ATTR_IE
]) {
3783 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3784 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3787 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3788 bcn
->proberesp_ies
=
3789 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3790 bcn
->proberesp_ies_len
=
3791 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3794 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3795 bcn
->assocresp_ies
=
3796 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3797 bcn
->assocresp_ies_len
=
3798 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3801 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3802 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3803 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3809 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings
*params
,
3817 for (i
= 0; i
< rates
[1]; i
++) {
3818 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_HT_PHY
)
3819 params
->ht_required
= true;
3820 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY
)
3821 params
->vht_required
= true;
3826 * Since the nl80211 API didn't include, from the beginning, attributes about
3827 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
3828 * benefit of drivers that rebuild IEs in the firmware.
3830 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings
*params
)
3832 const struct cfg80211_beacon_data
*bcn
= ¶ms
->beacon
;
3833 size_t ies_len
= bcn
->tail_len
;
3834 const u8
*ies
= bcn
->tail
;
3838 rates
= cfg80211_find_ie(WLAN_EID_SUPP_RATES
, ies
, ies_len
);
3839 nl80211_check_ap_rate_selectors(params
, rates
);
3841 rates
= cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES
, ies
, ies_len
);
3842 nl80211_check_ap_rate_selectors(params
, rates
);
3844 cap
= cfg80211_find_ie(WLAN_EID_HT_CAPABILITY
, ies
, ies_len
);
3845 if (cap
&& cap
[1] >= sizeof(*params
->ht_cap
))
3846 params
->ht_cap
= (void *)(cap
+ 2);
3847 cap
= cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY
, ies
, ies_len
);
3848 if (cap
&& cap
[1] >= sizeof(*params
->vht_cap
))
3849 params
->vht_cap
= (void *)(cap
+ 2);
3852 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3853 struct cfg80211_ap_settings
*params
)
3855 struct wireless_dev
*wdev
;
3858 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3859 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3860 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3863 if (!wdev
->preset_chandef
.chan
)
3866 params
->chandef
= wdev
->preset_chandef
;
3874 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3875 enum nl80211_auth_type auth_type
,
3876 enum nl80211_commands cmd
)
3878 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3882 case NL80211_CMD_AUTHENTICATE
:
3883 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3884 auth_type
== NL80211_AUTHTYPE_SAE
)
3886 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
3887 NL80211_EXT_FEATURE_FILS_STA
) &&
3888 (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3889 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3890 auth_type
== NL80211_AUTHTYPE_FILS_PK
))
3893 case NL80211_CMD_CONNECT
:
3894 /* SAE not supported yet */
3895 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3897 /* FILS with SK PFS or PK not supported yet */
3898 if (auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3899 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3901 if (!wiphy_ext_feature_isset(
3903 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
3904 auth_type
== NL80211_AUTHTYPE_FILS_SK
)
3907 case NL80211_CMD_START_AP
:
3908 /* SAE not supported yet */
3909 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3911 /* FILS not supported yet */
3912 if (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3913 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3914 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3922 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3924 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3925 struct net_device
*dev
= info
->user_ptr
[1];
3926 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3927 struct cfg80211_ap_settings params
;
3930 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3931 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3934 if (!rdev
->ops
->start_ap
)
3937 if (wdev
->beacon_interval
)
3940 memset(¶ms
, 0, sizeof(params
));
3942 /* these are required for START_AP */
3943 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3944 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3945 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3948 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3952 params
.beacon_interval
=
3953 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3954 params
.dtim_period
=
3955 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3957 err
= cfg80211_validate_beacon_int(rdev
, dev
->ieee80211_ptr
->iftype
,
3958 params
.beacon_interval
);
3963 * In theory, some of these attributes should be required here
3964 * but since they were not used when the command was originally
3965 * added, keep them optional for old user space programs to let
3966 * them continue to work with drivers that do not need the
3967 * additional information -- drivers must check!
3969 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3970 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3972 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3973 if (params
.ssid_len
== 0 ||
3974 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3978 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3979 params
.hidden_ssid
= nla_get_u32(
3980 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3981 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3982 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3983 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3987 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3989 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3990 params
.auth_type
= nla_get_u32(
3991 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3992 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3993 NL80211_CMD_START_AP
))
3996 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3998 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3999 NL80211_MAX_NR_CIPHER_SUITES
);
4003 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
4004 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
4006 params
.inactivity_timeout
= nla_get_u16(
4007 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
4010 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4011 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4013 params
.p2p_ctwindow
=
4014 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4015 if (params
.p2p_ctwindow
> 127)
4017 if (params
.p2p_ctwindow
!= 0 &&
4018 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4022 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4025 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4027 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4030 params
.p2p_opp_ps
= tmp
;
4031 if (params
.p2p_opp_ps
!= 0 &&
4032 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4036 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4037 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
4040 } else if (wdev
->preset_chandef
.chan
) {
4041 params
.chandef
= wdev
->preset_chandef
;
4042 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
4045 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
4049 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
4050 err
= nl80211_parse_tx_bitrate_mask(info
, ¶ms
.beacon_rate
);
4054 err
= validate_beacon_tx_rate(rdev
, params
.chandef
.chan
->band
,
4055 ¶ms
.beacon_rate
);
4060 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
4062 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
4063 switch (params
.smps_mode
) {
4064 case NL80211_SMPS_OFF
:
4066 case NL80211_SMPS_STATIC
:
4067 if (!(rdev
->wiphy
.features
&
4068 NL80211_FEATURE_STATIC_SMPS
))
4071 case NL80211_SMPS_DYNAMIC
:
4072 if (!(rdev
->wiphy
.features
&
4073 NL80211_FEATURE_DYNAMIC_SMPS
))
4080 params
.smps_mode
= NL80211_SMPS_OFF
;
4083 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
4084 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
4087 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
4088 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
4089 if (IS_ERR(params
.acl
))
4090 return PTR_ERR(params
.acl
);
4093 nl80211_calculate_ap_params(¶ms
);
4096 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
4098 wdev
->preset_chandef
= params
.chandef
;
4099 wdev
->beacon_interval
= params
.beacon_interval
;
4100 wdev
->chandef
= params
.chandef
;
4101 wdev
->ssid_len
= params
.ssid_len
;
4102 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
4111 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
4113 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4114 struct net_device
*dev
= info
->user_ptr
[1];
4115 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4116 struct cfg80211_beacon_data params
;
4119 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4120 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4123 if (!rdev
->ops
->change_beacon
)
4126 if (!wdev
->beacon_interval
)
4129 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
4134 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
4140 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
4142 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4143 struct net_device
*dev
= info
->user_ptr
[1];
4145 return cfg80211_stop_ap(rdev
, dev
, false);
4148 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
4149 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
4150 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
4151 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
4152 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
4153 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
4154 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
4157 static int parse_station_flags(struct genl_info
*info
,
4158 enum nl80211_iftype iftype
,
4159 struct station_parameters
*params
)
4161 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
4166 * Try parsing the new attribute first so userspace
4167 * can specify both for older kernels.
4169 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
4171 struct nl80211_sta_flag_update
*sta_flags
;
4173 sta_flags
= nla_data(nla
);
4174 params
->sta_flags_mask
= sta_flags
->mask
;
4175 params
->sta_flags_set
= sta_flags
->set
;
4176 params
->sta_flags_set
&= params
->sta_flags_mask
;
4177 if ((params
->sta_flags_mask
|
4178 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
4183 /* if present, parse the old attribute */
4185 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
4189 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
, nla
,
4190 sta_flags_policy
, info
->extack
))
4194 * Only allow certain flags for interface types so that
4195 * other attributes are silently ignored. Remember that
4196 * this is backward compatibility code with old userspace
4197 * and shouldn't be hit in other cases anyway.
4200 case NL80211_IFTYPE_AP
:
4201 case NL80211_IFTYPE_AP_VLAN
:
4202 case NL80211_IFTYPE_P2P_GO
:
4203 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4204 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4205 BIT(NL80211_STA_FLAG_WME
) |
4206 BIT(NL80211_STA_FLAG_MFP
);
4208 case NL80211_IFTYPE_P2P_CLIENT
:
4209 case NL80211_IFTYPE_STATION
:
4210 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4211 BIT(NL80211_STA_FLAG_TDLS_PEER
);
4213 case NL80211_IFTYPE_MESH_POINT
:
4214 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4215 BIT(NL80211_STA_FLAG_MFP
) |
4216 BIT(NL80211_STA_FLAG_AUTHORIZED
);
4221 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
4223 params
->sta_flags_set
|= (1<<flag
);
4225 /* no longer support new API additions in old API */
4226 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
4234 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
4237 struct nlattr
*rate
;
4240 enum nl80211_rate_info rate_flg
;
4242 rate
= nla_nest_start(msg
, attr
);
4246 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4247 bitrate
= cfg80211_calculate_bitrate(info
);
4248 /* report 16-bit bitrate only if we can */
4249 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
4251 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
4253 if (bitrate_compat
> 0 &&
4254 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
4258 case RATE_INFO_BW_5
:
4259 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
4261 case RATE_INFO_BW_10
:
4262 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
4267 case RATE_INFO_BW_20
:
4270 case RATE_INFO_BW_40
:
4271 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
4273 case RATE_INFO_BW_80
:
4274 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
4276 case RATE_INFO_BW_160
:
4277 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
4281 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
4284 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
4285 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
4287 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4288 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4290 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
4291 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
4293 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
4295 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4296 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4300 nla_nest_end(msg
, rate
);
4304 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
4313 attr
= nla_nest_start(msg
, id
);
4317 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
4318 if (!(mask
& BIT(i
)))
4321 if (nla_put_u8(msg
, i
, signal
[i
]))
4325 nla_nest_end(msg
, attr
);
4330 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
4332 struct cfg80211_registered_device
*rdev
,
4333 struct net_device
*dev
,
4334 const u8
*mac_addr
, struct station_info
*sinfo
)
4337 struct nlattr
*sinfoattr
, *bss_param
;
4339 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
4343 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4344 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
4345 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
4346 goto nla_put_failure
;
4348 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
4350 goto nla_put_failure
;
4352 #define PUT_SINFO(attr, memb, type) do { \
4353 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4354 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4355 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4357 goto nla_put_failure; \
4359 #define PUT_SINFO_U64(attr, memb) do { \
4360 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4361 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4362 sinfo->memb, NL80211_STA_INFO_PAD)) \
4363 goto nla_put_failure; \
4366 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
4367 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
4369 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
4370 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
4371 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
4372 (u32
)sinfo
->rx_bytes
))
4373 goto nla_put_failure
;
4375 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
4376 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
4377 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
4378 (u32
)sinfo
->tx_bytes
))
4379 goto nla_put_failure
;
4381 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
4382 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
4383 PUT_SINFO(LLID
, llid
, u16
);
4384 PUT_SINFO(PLID
, plid
, u16
);
4385 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
4386 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
4388 switch (rdev
->wiphy
.signal_type
) {
4389 case CFG80211_SIGNAL_TYPE_MBM
:
4390 PUT_SINFO(SIGNAL
, signal
, u8
);
4391 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
4396 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
4397 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4398 sinfo
->chain_signal
,
4399 NL80211_STA_INFO_CHAIN_SIGNAL
))
4400 goto nla_put_failure
;
4402 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
4403 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4404 sinfo
->chain_signal_avg
,
4405 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
4406 goto nla_put_failure
;
4408 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
4409 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
4410 NL80211_STA_INFO_TX_BITRATE
))
4411 goto nla_put_failure
;
4413 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
4414 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
4415 NL80211_STA_INFO_RX_BITRATE
))
4416 goto nla_put_failure
;
4419 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
4420 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
4421 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
4422 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
4423 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
4424 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
4425 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
4426 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
4427 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
4429 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
4430 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
4432 goto nla_put_failure
;
4434 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
4435 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
4436 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
4437 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
4438 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
4439 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
4440 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
4441 sinfo
->bss_param
.dtim_period
) ||
4442 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
4443 sinfo
->bss_param
.beacon_interval
))
4444 goto nla_put_failure
;
4446 nla_nest_end(msg
, bss_param
);
4448 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
4449 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
4450 sizeof(struct nl80211_sta_flag_update
),
4452 goto nla_put_failure
;
4454 PUT_SINFO_U64(T_OFFSET
, t_offset
);
4455 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
4456 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
4457 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
4460 #undef PUT_SINFO_U64
4462 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
4463 struct nlattr
*tidsattr
;
4466 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
4468 goto nla_put_failure
;
4470 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
4471 struct cfg80211_tid_stats
*tidstats
;
4472 struct nlattr
*tidattr
;
4474 tidstats
= &sinfo
->pertid
[tid
];
4476 if (!tidstats
->filled
)
4479 tidattr
= nla_nest_start(msg
, tid
+ 1);
4481 goto nla_put_failure
;
4483 #define PUT_TIDVAL_U64(attr, memb) do { \
4484 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4485 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4486 tidstats->memb, NL80211_TID_STATS_PAD)) \
4487 goto nla_put_failure; \
4490 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
4491 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
4492 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
4493 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
4495 #undef PUT_TIDVAL_U64
4496 nla_nest_end(msg
, tidattr
);
4499 nla_nest_end(msg
, tidsattr
);
4502 nla_nest_end(msg
, sinfoattr
);
4504 if (sinfo
->assoc_req_ies_len
&&
4505 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
4506 sinfo
->assoc_req_ies
))
4507 goto nla_put_failure
;
4509 genlmsg_end(msg
, hdr
);
4513 genlmsg_cancel(msg
, hdr
);
4517 static int nl80211_dump_station(struct sk_buff
*skb
,
4518 struct netlink_callback
*cb
)
4520 struct station_info sinfo
;
4521 struct cfg80211_registered_device
*rdev
;
4522 struct wireless_dev
*wdev
;
4523 u8 mac_addr
[ETH_ALEN
];
4524 int sta_idx
= cb
->args
[2];
4528 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4532 if (!wdev
->netdev
) {
4537 if (!rdev
->ops
->dump_station
) {
4543 memset(&sinfo
, 0, sizeof(sinfo
));
4544 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
4551 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
4552 NETLINK_CB(cb
->skb
).portid
,
4553 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4554 rdev
, wdev
->netdev
, mac_addr
,
4562 cb
->args
[2] = sta_idx
;
4570 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
4572 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4573 struct net_device
*dev
= info
->user_ptr
[1];
4574 struct station_info sinfo
;
4575 struct sk_buff
*msg
;
4576 u8
*mac_addr
= NULL
;
4579 memset(&sinfo
, 0, sizeof(sinfo
));
4581 if (!info
->attrs
[NL80211_ATTR_MAC
])
4584 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4586 if (!rdev
->ops
->get_station
)
4589 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
4593 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4597 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4598 info
->snd_portid
, info
->snd_seq
, 0,
4599 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4604 return genlmsg_reply(msg
, info
);
4607 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4608 struct station_parameters
*params
,
4609 enum cfg80211_station_type statype
)
4611 if (params
->listen_interval
!= -1 &&
4612 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4615 if (params
->support_p2p_ps
!= -1 &&
4616 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4620 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4621 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4624 /* When you run into this, adjust the code below for the new flag */
4625 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4628 case CFG80211_STA_MESH_PEER_KERNEL
:
4629 case CFG80211_STA_MESH_PEER_USER
:
4631 * No ignoring the TDLS flag here -- the userspace mesh
4632 * code doesn't have the bug of including TDLS in the
4635 if (params
->sta_flags_mask
&
4636 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4637 BIT(NL80211_STA_FLAG_MFP
) |
4638 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4641 case CFG80211_STA_TDLS_PEER_SETUP
:
4642 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4643 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4645 /* ignore since it can't change */
4646 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4649 /* disallow mesh-specific things */
4650 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4652 if (params
->local_pm
)
4654 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4658 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4659 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4660 /* TDLS can't be set, ... */
4661 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4664 * ... but don't bother the driver with it. This works around
4665 * a hostapd/wpa_supplicant issue -- it always includes the
4666 * TLDS_PEER flag in the mask even for AP mode.
4668 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4671 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4672 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4673 /* reject other things that can't change */
4674 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4676 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4678 if (params
->supported_rates
)
4680 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4684 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4685 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4691 case CFG80211_STA_AP_MLME_CLIENT
:
4692 /* Use this only for authorizing/unauthorizing a station */
4693 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4696 case CFG80211_STA_AP_CLIENT
:
4697 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4698 /* accept only the listed bits */
4699 if (params
->sta_flags_mask
&
4700 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4701 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4702 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4703 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4704 BIT(NL80211_STA_FLAG_WME
) |
4705 BIT(NL80211_STA_FLAG_MFP
)))
4708 /* but authenticated/associated only if driver handles it */
4709 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4710 params
->sta_flags_mask
&
4711 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4712 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4715 case CFG80211_STA_IBSS
:
4716 case CFG80211_STA_AP_STA
:
4717 /* reject any changes other than AUTHORIZED */
4718 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4721 case CFG80211_STA_TDLS_PEER_SETUP
:
4722 /* reject any changes other than AUTHORIZED or WME */
4723 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4724 BIT(NL80211_STA_FLAG_WME
)))
4726 /* force (at least) rates when authorizing */
4727 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4728 !params
->supported_rates
)
4731 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4732 /* reject any changes */
4734 case CFG80211_STA_MESH_PEER_KERNEL
:
4735 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4738 case CFG80211_STA_MESH_PEER_USER
:
4739 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4740 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4746 * Older kernel versions ignored this attribute entirely, so don't
4747 * reject attempts to update it but mark it as unused instead so the
4748 * driver won't look at the data.
4750 if (statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
&&
4751 statype
!= CFG80211_STA_TDLS_PEER_SETUP
)
4752 params
->opmode_notif_used
= false;
4756 EXPORT_SYMBOL(cfg80211_check_station_change
);
4759 * Get vlan interface making sure it is running and on the right wiphy.
4761 static struct net_device
*get_vlan(struct genl_info
*info
,
4762 struct cfg80211_registered_device
*rdev
)
4764 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4765 struct net_device
*v
;
4771 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4773 return ERR_PTR(-ENODEV
);
4775 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4780 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4781 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4782 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4787 if (!netif_running(v
)) {
4795 return ERR_PTR(ret
);
4798 static const struct nla_policy
4799 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4800 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4801 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4804 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4805 struct station_parameters
*params
)
4807 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4811 /* parse WME attributes if present */
4812 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4815 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4816 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4817 nl80211_sta_wme_policy
, info
->extack
);
4821 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4822 params
->uapsd_queues
= nla_get_u8(
4823 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4824 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4827 if (tb
[NL80211_STA_WME_MAX_SP
])
4828 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4830 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4833 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4838 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4839 struct station_parameters
*params
)
4841 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4842 params
->supported_channels
=
4843 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4844 params
->supported_channels_len
=
4845 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4847 * Need to include at least one (first channel, number of
4848 * channels) tuple for each subband, and must have proper
4849 * tuples for the rest of the data as well.
4851 if (params
->supported_channels_len
< 2)
4853 if (params
->supported_channels_len
% 2)
4857 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4858 params
->supported_oper_classes
=
4859 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4860 params
->supported_oper_classes_len
=
4861 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4863 * The value of the Length field of the Supported Operating
4864 * Classes element is between 2 and 253.
4866 if (params
->supported_oper_classes_len
< 2 ||
4867 params
->supported_oper_classes_len
> 253)
4873 static int nl80211_set_station_tdls(struct genl_info
*info
,
4874 struct station_parameters
*params
)
4877 /* Dummy STA entry gets updated once the peer capabilities are known */
4878 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4879 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4880 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4882 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4883 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4885 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4887 err
= nl80211_parse_sta_channel_info(info
, params
);
4891 return nl80211_parse_sta_wme(info
, params
);
4894 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4896 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4897 struct net_device
*dev
= info
->user_ptr
[1];
4898 struct station_parameters params
;
4902 memset(¶ms
, 0, sizeof(params
));
4904 if (!rdev
->ops
->change_station
)
4908 * AID and listen_interval properties can be set only for unassociated
4909 * station. Include these parameters here and will check them in
4910 * cfg80211_check_station_change().
4912 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4913 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4915 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4916 params
.listen_interval
=
4917 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4919 params
.listen_interval
= -1;
4921 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4924 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4925 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4928 params
.support_p2p_ps
= tmp
;
4930 params
.support_p2p_ps
= -1;
4933 if (!info
->attrs
[NL80211_ATTR_MAC
])
4936 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4938 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4939 params
.supported_rates
=
4940 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4941 params
.supported_rates_len
=
4942 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4945 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4947 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4948 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4951 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4953 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4954 params
.ext_capab_len
=
4955 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4958 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4961 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4962 params
.plink_action
=
4963 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4964 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4968 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4969 params
.plink_state
=
4970 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4971 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4973 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]) {
4974 params
.peer_aid
= nla_get_u16(
4975 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
4976 if (params
.peer_aid
> IEEE80211_MAX_AID
)
4979 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4982 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4983 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4984 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4986 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4987 pm
> NL80211_MESH_POWER_MAX
)
4990 params
.local_pm
= pm
;
4993 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4994 params
.opmode_notif_used
= true;
4995 params
.opmode_notif
=
4996 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4999 /* Include parameters for TDLS peer (will check later) */
5000 err
= nl80211_set_station_tdls(info
, ¶ms
);
5004 params
.vlan
= get_vlan(info
, rdev
);
5005 if (IS_ERR(params
.vlan
))
5006 return PTR_ERR(params
.vlan
);
5008 switch (dev
->ieee80211_ptr
->iftype
) {
5009 case NL80211_IFTYPE_AP
:
5010 case NL80211_IFTYPE_AP_VLAN
:
5011 case NL80211_IFTYPE_P2P_GO
:
5012 case NL80211_IFTYPE_P2P_CLIENT
:
5013 case NL80211_IFTYPE_STATION
:
5014 case NL80211_IFTYPE_ADHOC
:
5015 case NL80211_IFTYPE_MESH_POINT
:
5022 /* driver will call cfg80211_check_station_change() */
5023 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
5027 dev_put(params
.vlan
);
5032 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
5034 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5036 struct net_device
*dev
= info
->user_ptr
[1];
5037 struct station_parameters params
;
5038 u8
*mac_addr
= NULL
;
5039 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5040 BIT(NL80211_STA_FLAG_ASSOCIATED
);
5042 memset(¶ms
, 0, sizeof(params
));
5044 if (!rdev
->ops
->add_station
)
5047 if (!info
->attrs
[NL80211_ATTR_MAC
])
5050 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
5053 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
5056 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
5057 !info
->attrs
[NL80211_ATTR_PEER_AID
])
5060 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5061 params
.supported_rates
=
5062 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5063 params
.supported_rates_len
=
5064 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5065 params
.listen_interval
=
5066 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
5068 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
5071 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
5072 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
5075 params
.support_p2p_ps
= tmp
;
5078 * if not specified, assume it's supported for P2P GO interface,
5079 * and is NOT supported for AP interface
5081 params
.support_p2p_ps
=
5082 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
5085 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
5086 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
5088 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
5089 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
5092 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
5094 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
5095 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
5098 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
5100 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5101 params
.ext_capab_len
=
5102 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5105 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
5107 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5109 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
5111 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
5113 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
5114 params
.opmode_notif_used
= true;
5115 params
.opmode_notif
=
5116 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5119 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
5120 params
.plink_action
=
5121 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
5122 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
5126 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
5130 err
= nl80211_parse_sta_wme(info
, ¶ms
);
5134 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
5137 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5138 * as userspace might just pass through the capabilities from the IEs
5139 * directly, rather than enforcing this restriction and returning an
5140 * error in this case.
5142 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
5143 params
.ht_capa
= NULL
;
5144 params
.vht_capa
= NULL
;
5147 /* When you run into this, adjust the code below for the new flag */
5148 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
5150 switch (dev
->ieee80211_ptr
->iftype
) {
5151 case NL80211_IFTYPE_AP
:
5152 case NL80211_IFTYPE_AP_VLAN
:
5153 case NL80211_IFTYPE_P2P_GO
:
5154 /* ignore WME attributes if iface/sta is not capable */
5155 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
5156 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
5157 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5159 /* TDLS peers cannot be added */
5160 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5161 info
->attrs
[NL80211_ATTR_PEER_AID
])
5163 /* but don't bother the driver with it */
5164 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5166 /* allow authenticated/associated only if driver handles it */
5167 if (!(rdev
->wiphy
.features
&
5168 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
5169 params
.sta_flags_mask
& auth_assoc
)
5172 /* Older userspace, or userspace wanting to be compatible with
5173 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5174 * and assoc flags in the mask, but assumes the station will be
5175 * added as associated anyway since this was the required driver
5176 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5178 * In order to not bother drivers with this quirk in the API
5179 * set the flags in both the mask and set for new stations in
5182 if (!(params
.sta_flags_mask
& auth_assoc
)) {
5183 params
.sta_flags_mask
|= auth_assoc
;
5184 params
.sta_flags_set
|= auth_assoc
;
5187 /* must be last in here for error handling */
5188 params
.vlan
= get_vlan(info
, rdev
);
5189 if (IS_ERR(params
.vlan
))
5190 return PTR_ERR(params
.vlan
);
5192 case NL80211_IFTYPE_MESH_POINT
:
5193 /* ignore uAPSD data */
5194 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5196 /* associated is disallowed */
5197 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
5199 /* TDLS peers cannot be added */
5200 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5201 info
->attrs
[NL80211_ATTR_PEER_AID
])
5204 case NL80211_IFTYPE_STATION
:
5205 case NL80211_IFTYPE_P2P_CLIENT
:
5206 /* ignore uAPSD data */
5207 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5209 /* these are disallowed */
5210 if (params
.sta_flags_mask
&
5211 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
5212 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
5214 /* Only TDLS peers can be added */
5215 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
5217 /* Can only add if TDLS ... */
5218 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
5220 /* ... with external setup is supported */
5221 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
5224 * Older wpa_supplicant versions always mark the TDLS peer
5225 * as authorized, but it shouldn't yet be.
5227 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
5233 /* be aware of params.vlan when changing code here */
5235 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
5238 dev_put(params
.vlan
);
5242 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
5244 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5245 struct net_device
*dev
= info
->user_ptr
[1];
5246 struct station_del_parameters params
;
5248 memset(¶ms
, 0, sizeof(params
));
5250 if (info
->attrs
[NL80211_ATTR_MAC
])
5251 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5253 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5254 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5255 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5256 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5259 if (!rdev
->ops
->del_station
)
5262 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
5264 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
5265 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
5266 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
5269 /* Default to Deauthentication frame */
5270 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
5273 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
5274 params
.reason_code
=
5275 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5276 if (params
.reason_code
== 0)
5277 return -EINVAL
; /* 0 is reserved */
5279 /* Default to reason code 2 */
5280 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
5283 return rdev_del_station(rdev
, dev
, ¶ms
);
5286 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5287 int flags
, struct net_device
*dev
,
5288 u8
*dst
, u8
*next_hop
,
5289 struct mpath_info
*pinfo
)
5292 struct nlattr
*pinfoattr
;
5294 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
5298 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5299 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
5300 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
5301 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
5302 goto nla_put_failure
;
5304 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
5306 goto nla_put_failure
;
5307 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
5308 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
5310 goto nla_put_failure
;
5311 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
5312 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
5313 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
5314 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
5316 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
5317 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
5319 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
5320 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
5322 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
5323 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
5324 pinfo
->discovery_timeout
)) ||
5325 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
5326 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
5327 pinfo
->discovery_retries
)))
5328 goto nla_put_failure
;
5330 nla_nest_end(msg
, pinfoattr
);
5332 genlmsg_end(msg
, hdr
);
5336 genlmsg_cancel(msg
, hdr
);
5340 static int nl80211_dump_mpath(struct sk_buff
*skb
,
5341 struct netlink_callback
*cb
)
5343 struct mpath_info pinfo
;
5344 struct cfg80211_registered_device
*rdev
;
5345 struct wireless_dev
*wdev
;
5347 u8 next_hop
[ETH_ALEN
];
5348 int path_idx
= cb
->args
[2];
5352 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5356 if (!rdev
->ops
->dump_mpath
) {
5361 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5367 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
5374 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5375 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5376 wdev
->netdev
, dst
, next_hop
,
5384 cb
->args
[2] = path_idx
;
5391 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5393 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5395 struct net_device
*dev
= info
->user_ptr
[1];
5396 struct mpath_info pinfo
;
5397 struct sk_buff
*msg
;
5399 u8 next_hop
[ETH_ALEN
];
5401 memset(&pinfo
, 0, sizeof(pinfo
));
5403 if (!info
->attrs
[NL80211_ATTR_MAC
])
5406 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5408 if (!rdev
->ops
->get_mpath
)
5411 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5414 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
5418 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5422 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5423 dev
, dst
, next_hop
, &pinfo
) < 0) {
5428 return genlmsg_reply(msg
, info
);
5431 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5433 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5434 struct net_device
*dev
= info
->user_ptr
[1];
5436 u8
*next_hop
= NULL
;
5438 if (!info
->attrs
[NL80211_ATTR_MAC
])
5441 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5444 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5445 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5447 if (!rdev
->ops
->change_mpath
)
5450 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5453 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
5456 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5458 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5459 struct net_device
*dev
= info
->user_ptr
[1];
5461 u8
*next_hop
= NULL
;
5463 if (!info
->attrs
[NL80211_ATTR_MAC
])
5466 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5469 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5470 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5472 if (!rdev
->ops
->add_mpath
)
5475 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5478 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
5481 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5483 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5484 struct net_device
*dev
= info
->user_ptr
[1];
5487 if (info
->attrs
[NL80211_ATTR_MAC
])
5488 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5490 if (!rdev
->ops
->del_mpath
)
5493 return rdev_del_mpath(rdev
, dev
, dst
);
5496 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
5498 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5500 struct net_device
*dev
= info
->user_ptr
[1];
5501 struct mpath_info pinfo
;
5502 struct sk_buff
*msg
;
5506 memset(&pinfo
, 0, sizeof(pinfo
));
5508 if (!info
->attrs
[NL80211_ATTR_MAC
])
5511 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5513 if (!rdev
->ops
->get_mpp
)
5516 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5519 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
5523 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5527 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5528 dev
, dst
, mpp
, &pinfo
) < 0) {
5533 return genlmsg_reply(msg
, info
);
5536 static int nl80211_dump_mpp(struct sk_buff
*skb
,
5537 struct netlink_callback
*cb
)
5539 struct mpath_info pinfo
;
5540 struct cfg80211_registered_device
*rdev
;
5541 struct wireless_dev
*wdev
;
5544 int path_idx
= cb
->args
[2];
5548 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5552 if (!rdev
->ops
->dump_mpp
) {
5557 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5563 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
5570 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5571 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5572 wdev
->netdev
, dst
, mpp
,
5580 cb
->args
[2] = path_idx
;
5587 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
5589 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5590 struct net_device
*dev
= info
->user_ptr
[1];
5591 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5592 struct bss_parameters params
;
5595 memset(¶ms
, 0, sizeof(params
));
5596 /* default to not changing parameters */
5597 params
.use_cts_prot
= -1;
5598 params
.use_short_preamble
= -1;
5599 params
.use_short_slot_time
= -1;
5600 params
.ap_isolate
= -1;
5601 params
.ht_opmode
= -1;
5602 params
.p2p_ctwindow
= -1;
5603 params
.p2p_opp_ps
= -1;
5605 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
5606 params
.use_cts_prot
=
5607 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
5608 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
5609 params
.use_short_preamble
=
5610 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
5611 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
5612 params
.use_short_slot_time
=
5613 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
5614 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5615 params
.basic_rates
=
5616 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5617 params
.basic_rates_len
=
5618 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5620 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5621 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5622 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5624 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5626 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5627 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5629 params
.p2p_ctwindow
=
5630 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5631 if (params
.p2p_ctwindow
< 0)
5633 if (params
.p2p_ctwindow
!= 0 &&
5634 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5638 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5641 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5643 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5646 params
.p2p_opp_ps
= tmp
;
5647 if (params
.p2p_opp_ps
&&
5648 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5652 if (!rdev
->ops
->change_bss
)
5655 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5656 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5660 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5666 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5670 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5674 * You should only get this when cfg80211 hasn't yet initialized
5675 * completely when built-in to the kernel right between the time
5676 * window between nl80211_init() and regulatory_init(), if that is
5679 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5680 return -EINPROGRESS
;
5682 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5683 user_reg_hint_type
=
5684 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5686 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5688 switch (user_reg_hint_type
) {
5689 case NL80211_USER_REG_HINT_USER
:
5690 case NL80211_USER_REG_HINT_CELL_BASE
:
5691 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5694 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5695 return regulatory_hint_user(data
, user_reg_hint_type
);
5696 case NL80211_USER_REG_HINT_INDOOR
:
5697 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5698 owner_nlportid
= info
->snd_portid
;
5699 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5705 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5711 static int nl80211_reload_regdb(struct sk_buff
*skb
, struct genl_info
*info
)
5713 return reg_reload_regdb();
5716 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5717 struct genl_info
*info
)
5719 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5720 struct net_device
*dev
= info
->user_ptr
[1];
5721 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5722 struct mesh_config cur_params
;
5725 struct nlattr
*pinfoattr
;
5726 struct sk_buff
*msg
;
5728 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5731 if (!rdev
->ops
->get_mesh_config
)
5735 /* If not connected, get default parameters */
5736 if (!wdev
->mesh_id_len
)
5737 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5739 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5745 /* Draw up a netlink message to send back */
5746 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5749 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5750 NL80211_CMD_GET_MESH_CONFIG
);
5753 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5755 goto nla_put_failure
;
5756 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5757 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5758 cur_params
.dot11MeshRetryTimeout
) ||
5759 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5760 cur_params
.dot11MeshConfirmTimeout
) ||
5761 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5762 cur_params
.dot11MeshHoldingTimeout
) ||
5763 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5764 cur_params
.dot11MeshMaxPeerLinks
) ||
5765 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5766 cur_params
.dot11MeshMaxRetries
) ||
5767 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5768 cur_params
.dot11MeshTTL
) ||
5769 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5770 cur_params
.element_ttl
) ||
5771 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5772 cur_params
.auto_open_plinks
) ||
5773 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5774 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5775 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5776 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5777 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5778 cur_params
.path_refresh_time
) ||
5779 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5780 cur_params
.min_discovery_timeout
) ||
5781 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5782 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5783 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5784 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5785 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5786 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5787 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5788 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5789 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5790 cur_params
.dot11MeshHWMPRootMode
) ||
5791 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5792 cur_params
.dot11MeshHWMPRannInterval
) ||
5793 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5794 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5795 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5796 cur_params
.dot11MeshForwarding
) ||
5797 nla_put_s32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5798 cur_params
.rssi_threshold
) ||
5799 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5800 cur_params
.ht_opmode
) ||
5801 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5802 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5803 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5804 cur_params
.dot11MeshHWMProotInterval
) ||
5805 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5806 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5807 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5808 cur_params
.power_mode
) ||
5809 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5810 cur_params
.dot11MeshAwakeWindowDuration
) ||
5811 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5812 cur_params
.plink_timeout
))
5813 goto nla_put_failure
;
5814 nla_nest_end(msg
, pinfoattr
);
5815 genlmsg_end(msg
, hdr
);
5816 return genlmsg_reply(msg
, info
);
5819 genlmsg_cancel(msg
, hdr
);
5825 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5826 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5827 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5828 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5829 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5830 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5831 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5832 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5833 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5834 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5835 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5836 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5837 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5838 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5839 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5840 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5841 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5842 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5843 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5844 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5845 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5846 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5847 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5848 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5849 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5850 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5851 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5852 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5853 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5856 static const struct nla_policy
5857 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5858 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5859 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5860 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5861 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5862 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5863 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5864 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5865 .len
= IEEE80211_MAX_DATA_LEN
},
5866 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5869 static int nl80211_check_bool(const struct nlattr
*nla
, u8 min
, u8 max
, bool *out
)
5871 u8 val
= nla_get_u8(nla
);
5872 if (val
< min
|| val
> max
)
5878 static int nl80211_check_u8(const struct nlattr
*nla
, u8 min
, u8 max
, u8
*out
)
5880 u8 val
= nla_get_u8(nla
);
5881 if (val
< min
|| val
> max
)
5887 static int nl80211_check_u16(const struct nlattr
*nla
, u16 min
, u16 max
, u16
*out
)
5889 u16 val
= nla_get_u16(nla
);
5890 if (val
< min
|| val
> max
)
5896 static int nl80211_check_u32(const struct nlattr
*nla
, u32 min
, u32 max
, u32
*out
)
5898 u32 val
= nla_get_u32(nla
);
5899 if (val
< min
|| val
> max
)
5905 static int nl80211_check_s32(const struct nlattr
*nla
, s32 min
, s32 max
, s32
*out
)
5907 s32 val
= nla_get_s32(nla
);
5908 if (val
< min
|| val
> max
)
5914 static int nl80211_check_power_mode(const struct nlattr
*nla
,
5915 enum nl80211_mesh_power_mode min
,
5916 enum nl80211_mesh_power_mode max
,
5917 enum nl80211_mesh_power_mode
*out
)
5919 u32 val
= nla_get_u32(nla
);
5920 if (val
< min
|| val
> max
)
5926 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5927 struct mesh_config
*cfg
,
5930 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5934 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5937 if (fn(tb[attr], min, max, &cfg->param)) \
5939 mask |= (1 << (attr - 1)); \
5943 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5945 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5946 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5947 nl80211_meshconf_params_policy
, info
->extack
))
5950 /* This makes sure that there aren't more than 32 mesh config
5951 * parameters (otherwise our bitfield scheme would not work.) */
5952 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5954 /* Fill in the params struct */
5955 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5956 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5958 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5959 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5961 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5962 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5964 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5965 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5967 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5968 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5970 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5971 mask
, NL80211_MESHCONF_TTL
, nl80211_check_u8
);
5972 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5973 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5975 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5976 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5977 nl80211_check_bool
);
5978 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5980 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5982 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5983 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5985 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5986 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5988 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5989 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5991 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5993 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5995 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5997 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5999 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
6001 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
6003 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6004 dot11MeshHWMPnetDiameterTraversalTime
,
6006 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
6008 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
6009 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
6011 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
6012 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
6014 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6015 dot11MeshGateAnnouncementProtocol
, 0, 1,
6016 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
6017 nl80211_check_bool
);
6018 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
6019 mask
, NL80211_MESHCONF_FORWARDING
,
6020 nl80211_check_bool
);
6021 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
6022 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
6025 * Check HT operation mode based on
6026 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
6028 if (tb
[NL80211_MESHCONF_HT_OPMODE
]) {
6029 ht_opmode
= nla_get_u16(tb
[NL80211_MESHCONF_HT_OPMODE
]);
6031 if (ht_opmode
& ~(IEEE80211_HT_OP_MODE_PROTECTION
|
6032 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
|
6033 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6036 if ((ht_opmode
& IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
) &&
6037 (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6040 switch (ht_opmode
& IEEE80211_HT_OP_MODE_PROTECTION
) {
6041 case IEEE80211_HT_OP_MODE_PROTECTION_NONE
:
6042 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
6043 if (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
)
6046 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER
:
6047 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
6048 if (!(ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6052 cfg
->ht_opmode
= ht_opmode
;
6053 mask
|= (1 << (NL80211_MESHCONF_HT_OPMODE
- 1));
6055 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
6057 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
6059 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
6060 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
6062 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6063 dot11MeshHWMPconfirmationInterval
,
6065 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
6067 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
6068 NL80211_MESH_POWER_ACTIVE
,
6069 NL80211_MESH_POWER_MAX
,
6070 mask
, NL80211_MESHCONF_POWER_MODE
,
6071 nl80211_check_power_mode
);
6072 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
6074 NL80211_MESHCONF_AWAKE_WINDOW
, nl80211_check_u16
);
6075 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
6076 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
6083 #undef FILL_IN_MESH_PARAM_IF_SET
6086 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
6087 struct mesh_setup
*setup
)
6089 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6090 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
6092 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
6094 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
6095 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
6096 nl80211_mesh_setup_params_policy
, info
->extack
))
6099 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
6100 setup
->sync_method
=
6101 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
6102 IEEE80211_SYNC_METHOD_VENDOR
:
6103 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
6105 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
6106 setup
->path_sel_proto
=
6107 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
6108 IEEE80211_PATH_PROTOCOL_VENDOR
:
6109 IEEE80211_PATH_PROTOCOL_HWMP
;
6111 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
6112 setup
->path_metric
=
6113 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
6114 IEEE80211_PATH_METRIC_VENDOR
:
6115 IEEE80211_PATH_METRIC_AIRTIME
;
6117 if (tb
[NL80211_MESH_SETUP_IE
]) {
6118 struct nlattr
*ieattr
=
6119 tb
[NL80211_MESH_SETUP_IE
];
6120 if (!is_valid_ie_attr(ieattr
))
6122 setup
->ie
= nla_data(ieattr
);
6123 setup
->ie_len
= nla_len(ieattr
);
6125 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
6126 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
6128 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
6129 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
6130 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
6131 if (setup
->is_secure
)
6132 setup
->user_mpm
= true;
6134 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
6135 if (!setup
->user_mpm
)
6138 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
6144 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
6145 struct genl_info
*info
)
6147 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6148 struct net_device
*dev
= info
->user_ptr
[1];
6149 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6150 struct mesh_config cfg
;
6154 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6157 if (!rdev
->ops
->update_mesh_config
)
6160 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
6165 if (!wdev
->mesh_id_len
)
6169 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
6176 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
6177 struct sk_buff
*msg
)
6179 struct nlattr
*nl_reg_rules
;
6182 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
6183 (regdom
->dfs_region
&&
6184 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
6185 goto nla_put_failure
;
6187 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
6189 goto nla_put_failure
;
6191 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
6192 struct nlattr
*nl_reg_rule
;
6193 const struct ieee80211_reg_rule
*reg_rule
;
6194 const struct ieee80211_freq_range
*freq_range
;
6195 const struct ieee80211_power_rule
*power_rule
;
6196 unsigned int max_bandwidth_khz
;
6198 reg_rule
= ®dom
->reg_rules
[i
];
6199 freq_range
= ®_rule
->freq_range
;
6200 power_rule
= ®_rule
->power_rule
;
6202 nl_reg_rule
= nla_nest_start(msg
, i
);
6204 goto nla_put_failure
;
6206 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
6207 if (!max_bandwidth_khz
)
6208 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
6211 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
6213 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
6214 freq_range
->start_freq_khz
) ||
6215 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
6216 freq_range
->end_freq_khz
) ||
6217 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
6218 max_bandwidth_khz
) ||
6219 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
6220 power_rule
->max_antenna_gain
) ||
6221 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
6222 power_rule
->max_eirp
) ||
6223 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
6224 reg_rule
->dfs_cac_ms
))
6225 goto nla_put_failure
;
6227 nla_nest_end(msg
, nl_reg_rule
);
6230 nla_nest_end(msg
, nl_reg_rules
);
6237 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
6239 const struct ieee80211_regdomain
*regdom
= NULL
;
6240 struct cfg80211_registered_device
*rdev
;
6241 struct wiphy
*wiphy
= NULL
;
6242 struct sk_buff
*msg
;
6245 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6249 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6250 NL80211_CMD_GET_REG
);
6254 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
6257 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6260 return PTR_ERR(rdev
);
6263 wiphy
= &rdev
->wiphy
;
6264 self_managed
= wiphy
->regulatory_flags
&
6265 REGULATORY_WIPHY_SELF_MANAGED
;
6266 regdom
= get_wiphy_regdom(wiphy
);
6268 /* a self-managed-reg device must have a private regdom */
6269 if (WARN_ON(!regdom
&& self_managed
)) {
6275 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6276 goto nla_put_failure
;
6279 if (!wiphy
&& reg_last_request_cell_base() &&
6280 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6281 NL80211_USER_REG_HINT_CELL_BASE
))
6282 goto nla_put_failure
;
6287 regdom
= rcu_dereference(cfg80211_regdomain
);
6289 if (nl80211_put_regdom(regdom
, msg
))
6290 goto nla_put_failure_rcu
;
6294 genlmsg_end(msg
, hdr
);
6295 return genlmsg_reply(msg
, info
);
6297 nla_put_failure_rcu
:
6300 genlmsg_cancel(msg
, hdr
);
6306 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6307 u32 seq
, int flags
, struct wiphy
*wiphy
,
6308 const struct ieee80211_regdomain
*regdom
)
6310 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6311 NL80211_CMD_GET_REG
);
6316 genl_dump_check_consistent(cb
, hdr
);
6318 if (nl80211_put_regdom(regdom
, msg
))
6319 goto nla_put_failure
;
6321 if (!wiphy
&& reg_last_request_cell_base() &&
6322 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6323 NL80211_USER_REG_HINT_CELL_BASE
))
6324 goto nla_put_failure
;
6327 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6328 goto nla_put_failure
;
6330 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
6331 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
6332 goto nla_put_failure
;
6334 genlmsg_end(msg
, hdr
);
6338 genlmsg_cancel(msg
, hdr
);
6342 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
6343 struct netlink_callback
*cb
)
6345 const struct ieee80211_regdomain
*regdom
= NULL
;
6346 struct cfg80211_registered_device
*rdev
;
6347 int err
, reg_idx
, start
= cb
->args
[2];
6351 if (cfg80211_regdomain
&& start
== 0) {
6352 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6354 rtnl_dereference(cfg80211_regdomain
));
6359 /* the global regdom is idx 0 */
6361 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
6362 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
6366 if (++reg_idx
<= start
)
6369 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6370 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
6377 cb
->args
[2] = reg_idx
;
6384 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6385 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
6386 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
6387 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
6388 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
6389 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
6390 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
6391 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
6392 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
6395 static int parse_reg_rule(struct nlattr
*tb
[],
6396 struct ieee80211_reg_rule
*reg_rule
)
6398 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
6399 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
6401 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
6403 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
6405 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
6407 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
6409 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
6412 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
6414 freq_range
->start_freq_khz
=
6415 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
6416 freq_range
->end_freq_khz
=
6417 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
6418 freq_range
->max_bandwidth_khz
=
6419 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
6421 power_rule
->max_eirp
=
6422 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
6424 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
6425 power_rule
->max_antenna_gain
=
6426 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
6428 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
6429 reg_rule
->dfs_cac_ms
=
6430 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
6435 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
6437 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
6438 struct nlattr
*nl_reg_rule
;
6440 int rem_reg_rules
, r
;
6441 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
6442 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
6443 struct ieee80211_regdomain
*rd
;
6445 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
6448 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
6451 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
6453 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
6454 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
6456 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6459 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
6463 if (!reg_is_valid_request(alpha2
))
6466 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
6467 num_rules
* sizeof(struct ieee80211_reg_rule
);
6469 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
6473 rd
->n_reg_rules
= num_rules
;
6474 rd
->alpha2
[0] = alpha2
[0];
6475 rd
->alpha2
[1] = alpha2
[1];
6478 * Disable DFS master mode if the DFS region was
6479 * not supported or known on this kernel.
6481 if (reg_supported_dfs_region(dfs_region
))
6482 rd
->dfs_region
= dfs_region
;
6484 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6486 r
= nla_parse_nested(tb
, NL80211_REG_RULE_ATTR_MAX
,
6487 nl_reg_rule
, reg_rule_policy
,
6491 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
6497 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
6503 /* set_regdom takes ownership of rd */
6504 return set_regdom(rd
, REGD_SOURCE_CRDA
);
6509 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6511 static int validate_scan_freqs(struct nlattr
*freqs
)
6513 struct nlattr
*attr1
, *attr2
;
6514 int n_channels
= 0, tmp1
, tmp2
;
6516 nla_for_each_nested(attr1
, freqs
, tmp1
)
6517 if (nla_len(attr1
) != sizeof(u32
))
6520 nla_for_each_nested(attr1
, freqs
, tmp1
) {
6523 * Some hardware has a limited channel list for
6524 * scanning, and it is pretty much nonsensical
6525 * to scan for a channel twice, so disallow that
6526 * and don't require drivers to check that the
6527 * channel list they get isn't longer than what
6528 * they can scan, as long as they can scan all
6529 * the channels they registered at once.
6531 nla_for_each_nested(attr2
, freqs
, tmp2
)
6532 if (attr1
!= attr2
&&
6533 nla_get_u32(attr1
) == nla_get_u32(attr2
))
6540 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
6542 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
6545 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
6546 struct cfg80211_bss_selection
*bss_select
)
6548 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
6549 struct nlattr
*nest
;
6554 /* only process one nested attribute */
6555 nest
= nla_data(nla
);
6556 if (!nla_ok(nest
, nla_len(nest
)))
6559 err
= nla_parse_nested(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nest
,
6560 nl80211_bss_select_policy
, NULL
);
6564 /* only one attribute may be given */
6565 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
6573 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
6575 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
6576 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
6578 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
6579 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
6580 bss_select
->param
.band_pref
=
6581 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
6582 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
6586 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
6587 struct nl80211_bss_select_rssi_adjust
*adj_param
;
6589 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
6590 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
6591 bss_select
->param
.adjust
.band
= adj_param
->band
;
6592 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
6593 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
6597 /* user-space did not provide behaviour attribute */
6598 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
6601 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
6607 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
6608 u8
*mac_addr
, u8
*mac_addr_mask
)
6612 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
6613 eth_zero_addr(mac_addr
);
6614 eth_zero_addr(mac_addr_mask
);
6616 mac_addr_mask
[0] = 0x3;
6621 /* need both or none */
6622 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
6625 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
6626 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
6628 /* don't allow or configure an mcast address */
6629 if (!is_multicast_ether_addr(mac_addr_mask
) ||
6630 is_multicast_ether_addr(mac_addr
))
6634 * allow users to pass a MAC address that has bits set outside
6635 * of the mask, but don't bother drivers with having to deal
6638 for (i
= 0; i
< ETH_ALEN
; i
++)
6639 mac_addr
[i
] &= mac_addr_mask
[i
];
6644 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev
*wdev
)
6646 ASSERT_WDEV_LOCK(wdev
);
6648 if (!cfg80211_beaconing_iface_active(wdev
))
6651 if (!(wdev
->chandef
.chan
->flags
& IEEE80211_CHAN_RADAR
))
6654 return regulatory_pre_cac_allowed(wdev
->wiphy
);
6658 nl80211_check_scan_flags(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6659 void *request
, struct nlattr
**attrs
,
6662 u8
*mac_addr
, *mac_addr_mask
;
6664 enum nl80211_feature_flags randomness_flag
;
6666 if (!attrs
[NL80211_ATTR_SCAN_FLAGS
])
6669 if (is_sched_scan
) {
6670 struct cfg80211_sched_scan_request
*req
= request
;
6672 randomness_flag
= wdev
?
6673 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
:
6674 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6675 flags
= &req
->flags
;
6676 mac_addr
= req
->mac_addr
;
6677 mac_addr_mask
= req
->mac_addr_mask
;
6679 struct cfg80211_scan_request
*req
= request
;
6681 randomness_flag
= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
;
6682 flags
= &req
->flags
;
6683 mac_addr
= req
->mac_addr
;
6684 mac_addr_mask
= req
->mac_addr_mask
;
6687 *flags
= nla_get_u32(attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6689 if ((*flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6690 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
))
6693 if (*flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6696 if (!(wiphy
->features
& randomness_flag
) ||
6697 (wdev
&& wdev
->current_bss
))
6700 err
= nl80211_parse_random_mac(attrs
, mac_addr
, mac_addr_mask
);
6705 if ((*flags
& NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME
) &&
6706 !wiphy_ext_feature_isset(wiphy
,
6707 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME
))
6710 if ((*flags
& NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP
) &&
6711 !wiphy_ext_feature_isset(wiphy
,
6712 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP
))
6715 if ((*flags
& NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
) &&
6716 !wiphy_ext_feature_isset(wiphy
,
6717 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
))
6720 if ((*flags
& NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE
) &&
6721 !wiphy_ext_feature_isset(wiphy
,
6722 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE
))
6728 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6730 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6731 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6732 struct cfg80211_scan_request
*request
;
6733 struct nlattr
*attr
;
6734 struct wiphy
*wiphy
;
6735 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
6738 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6741 wiphy
= &rdev
->wiphy
;
6743 if (wdev
->iftype
== NL80211_IFTYPE_NAN
)
6746 if (!rdev
->ops
->scan
)
6749 if (rdev
->scan_req
|| rdev
->scan_msg
) {
6754 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6755 n_channels
= validate_scan_freqs(
6756 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6762 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6765 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
6766 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
6769 if (n_ssids
> wiphy
->max_scan_ssids
) {
6774 if (info
->attrs
[NL80211_ATTR_IE
])
6775 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6779 if (ie_len
> wiphy
->max_scan_ie_len
) {
6784 request
= kzalloc(sizeof(*request
)
6785 + sizeof(*request
->ssids
) * n_ssids
6786 + sizeof(*request
->channels
) * n_channels
6787 + ie_len
, GFP_KERNEL
);
6794 request
->ssids
= (void *)&request
->channels
[n_channels
];
6795 request
->n_ssids
= n_ssids
;
6798 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6800 request
->ie
= (void *)(request
->channels
+ n_channels
);
6804 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6805 /* user specified, bail out if channel not found */
6806 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6807 struct ieee80211_channel
*chan
;
6809 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6816 /* ignore disabled channels */
6817 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6820 request
->channels
[i
] = chan
;
6824 enum nl80211_band band
;
6827 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6830 if (!wiphy
->bands
[band
])
6832 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6833 struct ieee80211_channel
*chan
;
6835 chan
= &wiphy
->bands
[band
]->channels
[j
];
6837 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6840 request
->channels
[i
] = chan
;
6851 request
->n_channels
= i
;
6854 if (!cfg80211_off_channel_oper_allowed(wdev
)) {
6855 struct ieee80211_channel
*chan
;
6857 if (request
->n_channels
!= 1) {
6863 chan
= request
->channels
[0];
6864 if (chan
->center_freq
!= wdev
->chandef
.chan
->center_freq
) {
6874 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6875 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6879 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6880 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6885 if (info
->attrs
[NL80211_ATTR_IE
]) {
6886 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6887 memcpy((void *)request
->ie
,
6888 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6892 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6893 if (wiphy
->bands
[i
])
6895 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6897 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6898 nla_for_each_nested(attr
,
6899 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6901 enum nl80211_band band
= nla_type(attr
);
6903 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6908 if (!wiphy
->bands
[band
])
6911 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6914 &request
->rates
[band
]);
6920 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
6921 if (!wiphy_ext_feature_isset(wiphy
,
6922 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
6928 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
6929 request
->duration_mandatory
=
6930 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
6933 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, info
->attrs
,
6939 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6941 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6942 * BSSID to scan for. This was problematic because that same attribute
6943 * was already used for another purpose (local random MAC address). The
6944 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6945 * compatibility with older userspace components, also use the
6946 * NL80211_ATTR_MAC value here if it can be determined to be used for
6947 * the specific BSSID use case instead of the random MAC address
6948 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6950 if (info
->attrs
[NL80211_ATTR_BSSID
])
6951 memcpy(request
->bssid
,
6952 nla_data(info
->attrs
[NL80211_ATTR_BSSID
]), ETH_ALEN
);
6953 else if (!(request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) &&
6954 info
->attrs
[NL80211_ATTR_MAC
])
6955 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6958 eth_broadcast_addr(request
->bssid
);
6960 request
->wdev
= wdev
;
6961 request
->wiphy
= &rdev
->wiphy
;
6962 request
->scan_start
= jiffies
;
6964 rdev
->scan_req
= request
;
6965 err
= rdev_scan(rdev
, request
);
6968 nl80211_send_scan_start(rdev
, wdev
);
6970 dev_hold(wdev
->netdev
);
6973 rdev
->scan_req
= NULL
;
6981 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6983 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6984 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6986 if (!rdev
->ops
->abort_scan
)
6992 if (!rdev
->scan_req
)
6995 rdev_abort_scan(rdev
, wdev
);
7000 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
7001 struct cfg80211_sched_scan_request
*request
,
7002 struct nlattr
**attrs
)
7004 int tmp
, err
, i
= 0;
7005 struct nlattr
*attr
;
7007 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7011 * If scan plans are not specified,
7012 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7013 * case one scan plan will be set with the specified scan
7014 * interval and infinite number of iterations.
7016 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
7020 request
->scan_plans
[0].interval
=
7021 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
7022 if (!request
->scan_plans
[0].interval
)
7025 if (request
->scan_plans
[0].interval
>
7026 wiphy
->max_sched_scan_plan_interval
)
7027 request
->scan_plans
[0].interval
=
7028 wiphy
->max_sched_scan_plan_interval
;
7033 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
7034 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
7036 if (WARN_ON(i
>= n_plans
))
7039 err
= nla_parse_nested(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
7040 attr
, nl80211_plan_policy
, NULL
);
7044 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
7047 request
->scan_plans
[i
].interval
=
7048 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
7049 if (!request
->scan_plans
[i
].interval
||
7050 request
->scan_plans
[i
].interval
>
7051 wiphy
->max_sched_scan_plan_interval
)
7054 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
7055 request
->scan_plans
[i
].iterations
=
7056 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
7057 if (!request
->scan_plans
[i
].iterations
||
7058 (request
->scan_plans
[i
].iterations
>
7059 wiphy
->max_sched_scan_plan_iterations
))
7061 } else if (i
< n_plans
- 1) {
7063 * All scan plans but the last one must specify
7064 * a finite number of iterations
7073 * The last scan plan must not specify the number of
7074 * iterations, it is supposed to run infinitely
7076 if (request
->scan_plans
[n_plans
- 1].iterations
)
7082 static struct cfg80211_sched_scan_request
*
7083 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
7084 struct nlattr
**attrs
, int max_match_sets
)
7086 struct cfg80211_sched_scan_request
*request
;
7087 struct nlattr
*attr
;
7088 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
7089 enum nl80211_band band
;
7091 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
7092 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
7094 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
7095 return ERR_PTR(-EINVAL
);
7097 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7098 n_channels
= validate_scan_freqs(
7099 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
7101 return ERR_PTR(-EINVAL
);
7103 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
7106 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
7107 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7111 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
7112 return ERR_PTR(-EINVAL
);
7115 * First, count the number of 'real' matchsets. Due to an issue with
7116 * the old implementation, matchsets containing only the RSSI attribute
7117 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7118 * RSSI for all matchsets, rather than their own matchset for reporting
7119 * all APs with a strong RSSI. This is needed to be compatible with
7120 * older userspace that treated a matchset with only the RSSI as the
7121 * global RSSI for all other matchsets - if there are other matchsets.
7123 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7124 nla_for_each_nested(attr
,
7125 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7127 struct nlattr
*rssi
;
7129 err
= nla_parse_nested(tb
,
7130 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7131 attr
, nl80211_match_policy
,
7134 return ERR_PTR(err
);
7136 /* SSID and BSSID are mutually exclusive */
7137 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] &&
7138 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
])
7139 return ERR_PTR(-EINVAL
);
7141 /* add other standalone attributes here */
7142 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] ||
7143 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
]) {
7147 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7149 default_match_rssi
= nla_get_s32(rssi
);
7153 /* However, if there's no other matchset, add the RSSI one */
7154 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
7157 if (n_match_sets
> max_match_sets
)
7158 return ERR_PTR(-EINVAL
);
7160 if (attrs
[NL80211_ATTR_IE
])
7161 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
7165 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
7166 return ERR_PTR(-EINVAL
);
7168 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7170 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7171 * each scan plan already specifies its own interval
7173 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7174 return ERR_PTR(-EINVAL
);
7176 nla_for_each_nested(attr
,
7177 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
7181 * The scan interval attribute is kept for backward
7182 * compatibility. If no scan plans are specified and sched scan
7183 * interval is specified, one scan plan will be set with this
7184 * scan interval and infinite number of iterations.
7186 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7187 return ERR_PTR(-EINVAL
);
7192 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
7193 return ERR_PTR(-EINVAL
);
7195 if (!wiphy_ext_feature_isset(
7196 wiphy
, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI
) &&
7197 (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] ||
7198 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]))
7199 return ERR_PTR(-EINVAL
);
7201 request
= kzalloc(sizeof(*request
)
7202 + sizeof(*request
->ssids
) * n_ssids
7203 + sizeof(*request
->match_sets
) * n_match_sets
7204 + sizeof(*request
->scan_plans
) * n_plans
7205 + sizeof(*request
->channels
) * n_channels
7206 + ie_len
, GFP_KERNEL
);
7208 return ERR_PTR(-ENOMEM
);
7211 request
->ssids
= (void *)&request
->channels
[n_channels
];
7212 request
->n_ssids
= n_ssids
;
7215 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
7217 request
->ie
= (void *)(request
->channels
+ n_channels
);
7222 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
7224 request
->match_sets
=
7225 (void *)(request
->ssids
+ n_ssids
);
7227 request
->match_sets
=
7228 (void *)(request
->channels
+ n_channels
);
7230 request
->n_match_sets
= n_match_sets
;
7233 request
->scan_plans
= (void *)(request
->match_sets
+
7235 else if (request
->ie
)
7236 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
7238 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
7240 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
7242 request
->n_scan_plans
= n_plans
;
7245 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7246 /* user specified, bail out if channel not found */
7247 nla_for_each_nested(attr
,
7248 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
7250 struct ieee80211_channel
*chan
;
7252 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
7259 /* ignore disabled channels */
7260 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7263 request
->channels
[i
] = chan
;
7268 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7271 if (!wiphy
->bands
[band
])
7273 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
7274 struct ieee80211_channel
*chan
;
7276 chan
= &wiphy
->bands
[band
]->channels
[j
];
7278 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7281 request
->channels
[i
] = chan
;
7292 request
->n_channels
= i
;
7296 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7298 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
7302 request
->ssids
[i
].ssid_len
= nla_len(attr
);
7303 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
7310 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7311 nla_for_each_nested(attr
,
7312 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7314 struct nlattr
*ssid
, *bssid
, *rssi
;
7316 err
= nla_parse_nested(tb
,
7317 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7318 attr
, nl80211_match_policy
,
7322 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
7323 bssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
];
7324 if (ssid
|| bssid
) {
7325 if (WARN_ON(i
>= n_match_sets
)) {
7326 /* this indicates a programming error,
7327 * the loop above should have verified
7335 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
7339 memcpy(request
->match_sets
[i
].ssid
.ssid
,
7340 nla_data(ssid
), nla_len(ssid
));
7341 request
->match_sets
[i
].ssid
.ssid_len
=
7345 if (nla_len(bssid
) != ETH_ALEN
) {
7349 memcpy(request
->match_sets
[i
].bssid
,
7350 nla_data(bssid
), ETH_ALEN
);
7353 /* special attribute - old implementation w/a */
7354 request
->match_sets
[i
].rssi_thold
=
7356 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7358 request
->match_sets
[i
].rssi_thold
=
7364 /* there was no other matchset, so the RSSI one is alone */
7365 if (i
== 0 && n_match_sets
)
7366 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
7368 request
->min_rssi_thold
= INT_MAX
;
7369 for (i
= 0; i
< n_match_sets
; i
++)
7370 request
->min_rssi_thold
=
7371 min(request
->match_sets
[i
].rssi_thold
,
7372 request
->min_rssi_thold
);
7374 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
7378 request
->ie_len
= ie_len
;
7379 memcpy((void *)request
->ie
,
7380 nla_data(attrs
[NL80211_ATTR_IE
]),
7384 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, attrs
, true);
7388 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
7390 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
7392 if (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]) {
7393 request
->relative_rssi
= nla_get_s8(
7394 attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]);
7395 request
->relative_rssi_set
= true;
7398 if (request
->relative_rssi_set
&&
7399 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]) {
7400 struct nl80211_bss_select_rssi_adjust
*rssi_adjust
;
7402 rssi_adjust
= nla_data(
7403 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]);
7404 request
->rssi_adjust
.band
= rssi_adjust
->band
;
7405 request
->rssi_adjust
.delta
= rssi_adjust
->delta
;
7406 if (!is_band_valid(wiphy
, request
->rssi_adjust
.band
)) {
7412 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
7416 request
->scan_start
= jiffies
;
7422 return ERR_PTR(err
);
7425 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
7426 struct genl_info
*info
)
7428 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7429 struct net_device
*dev
= info
->user_ptr
[1];
7430 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7431 struct cfg80211_sched_scan_request
*sched_scan_req
;
7435 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_start
)
7438 want_multi
= info
->attrs
[NL80211_ATTR_SCHED_SCAN_MULTI
];
7439 err
= cfg80211_sched_scan_req_possible(rdev
, want_multi
);
7443 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
7445 rdev
->wiphy
.max_match_sets
);
7447 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
7451 /* leave request id zero for legacy request
7452 * or if driver does not support multi-scheduled scan
7454 if (want_multi
&& rdev
->wiphy
.max_sched_scan_reqs
> 1) {
7455 while (!sched_scan_req
->reqid
)
7456 sched_scan_req
->reqid
= rdev
->wiphy
.cookie_counter
++;
7459 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
7463 sched_scan_req
->dev
= dev
;
7464 sched_scan_req
->wiphy
= &rdev
->wiphy
;
7466 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
7467 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
7469 cfg80211_add_sched_scan_req(rdev
, sched_scan_req
);
7471 nl80211_send_sched_scan(sched_scan_req
, NL80211_CMD_START_SCHED_SCAN
);
7475 kfree(sched_scan_req
);
7480 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
7481 struct genl_info
*info
)
7483 struct cfg80211_sched_scan_request
*req
;
7484 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7487 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_stop
)
7490 if (info
->attrs
[NL80211_ATTR_COOKIE
]) {
7491 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7492 return __cfg80211_stop_sched_scan(rdev
, cookie
, false);
7495 req
= list_first_or_null_rcu(&rdev
->sched_scan_req_list
,
7496 struct cfg80211_sched_scan_request
,
7498 if (!req
|| req
->reqid
||
7499 (req
->owner_nlportid
&&
7500 req
->owner_nlportid
!= info
->snd_portid
))
7503 return cfg80211_stop_sched_scan_req(rdev
, req
, false);
7506 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
7507 struct genl_info
*info
)
7509 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7510 struct net_device
*dev
= info
->user_ptr
[1];
7511 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7512 struct cfg80211_chan_def chandef
;
7513 enum nl80211_dfs_regions dfs_region
;
7514 unsigned int cac_time_ms
;
7517 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
7518 if (dfs_region
== NL80211_DFS_UNSET
)
7521 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7525 if (netif_carrier_ok(dev
))
7528 if (wdev
->cac_started
)
7531 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
7539 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
7542 if (!rdev
->ops
->start_radar_detection
)
7545 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
7546 if (WARN_ON(!cac_time_ms
))
7547 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
7549 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
7551 wdev
->chandef
= chandef
;
7552 wdev
->cac_started
= true;
7553 wdev
->cac_start_time
= jiffies
;
7554 wdev
->cac_time_ms
= cac_time_ms
;
7559 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
7561 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7562 struct net_device
*dev
= info
->user_ptr
[1];
7563 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7564 struct cfg80211_csa_settings params
;
7565 /* csa_attrs is defined static to avoid waste of stack size - this
7566 * function is called under RTNL lock, so this should not be a problem.
7568 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
7570 bool need_new_beacon
= false;
7571 bool need_handle_dfs_flag
= true;
7575 if (!rdev
->ops
->channel_switch
||
7576 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
7579 switch (dev
->ieee80211_ptr
->iftype
) {
7580 case NL80211_IFTYPE_AP
:
7581 case NL80211_IFTYPE_P2P_GO
:
7582 need_new_beacon
= true;
7583 /* For all modes except AP the handle_dfs flag needs to be
7584 * supplied to tell the kernel that userspace will handle radar
7585 * events when they happen. Otherwise a switch to a channel
7586 * requiring DFS will be rejected.
7588 need_handle_dfs_flag
= false;
7590 /* useless if AP is not running */
7591 if (!wdev
->beacon_interval
)
7594 case NL80211_IFTYPE_ADHOC
:
7595 if (!wdev
->ssid_len
)
7598 case NL80211_IFTYPE_MESH_POINT
:
7599 if (!wdev
->mesh_id_len
)
7606 memset(¶ms
, 0, sizeof(params
));
7608 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7609 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
7612 /* only important for AP, IBSS and mesh create IEs internally */
7613 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
7616 /* Even though the attribute is u32, the specification says
7617 * u8, so let's make sure we don't overflow.
7619 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
7623 params
.count
= cs_count
;
7625 if (!need_new_beacon
)
7628 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
7632 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
7633 info
->attrs
[NL80211_ATTR_CSA_IES
],
7634 nl80211_policy
, info
->extack
);
7638 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
7642 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
7645 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7646 if (!len
|| (len
% sizeof(u16
)))
7649 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
7650 if (rdev
->wiphy
.max_num_csa_counters
&&
7651 (params
.n_counter_offsets_beacon
>
7652 rdev
->wiphy
.max_num_csa_counters
))
7655 params
.counter_offsets_beacon
=
7656 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7658 /* sanity checks - counters should fit and be the same */
7659 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
7660 u16 offset
= params
.counter_offsets_beacon
[i
];
7662 if (offset
>= params
.beacon_csa
.tail_len
)
7665 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
7669 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
7670 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7671 if (!len
|| (len
% sizeof(u16
)))
7674 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
7675 if (rdev
->wiphy
.max_num_csa_counters
&&
7676 (params
.n_counter_offsets_presp
>
7677 rdev
->wiphy
.max_num_csa_counters
))
7680 params
.counter_offsets_presp
=
7681 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7683 /* sanity checks - counters should fit and be the same */
7684 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
7685 u16 offset
= params
.counter_offsets_presp
[i
];
7687 if (offset
>= params
.beacon_csa
.probe_resp_len
)
7690 if (params
.beacon_csa
.probe_resp
[offset
] !=
7697 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
7701 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
7705 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
7712 params
.radar_required
= true;
7713 if (need_handle_dfs_flag
&&
7714 !nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
])) {
7719 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
7720 params
.block_tx
= true;
7723 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
7729 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
7731 struct cfg80211_registered_device
*rdev
,
7732 struct wireless_dev
*wdev
,
7733 struct cfg80211_internal_bss
*intbss
)
7735 struct cfg80211_bss
*res
= &intbss
->pub
;
7736 const struct cfg80211_bss_ies
*ies
;
7740 ASSERT_WDEV_LOCK(wdev
);
7742 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
7743 NL80211_CMD_NEW_SCAN_RESULTS
);
7747 genl_dump_check_consistent(cb
, hdr
);
7749 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
7750 goto nla_put_failure
;
7752 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
7753 goto nla_put_failure
;
7754 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
7756 goto nla_put_failure
;
7758 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
7760 goto nla_put_failure
;
7761 if ((!is_zero_ether_addr(res
->bssid
) &&
7762 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
7763 goto nla_put_failure
;
7766 /* indicate whether we have probe response data or not */
7767 if (rcu_access_pointer(res
->proberesp_ies
) &&
7768 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
7769 goto fail_unlock_rcu
;
7771 /* this pointer prefers to be pointed to probe response data
7772 * but is always valid
7774 ies
= rcu_dereference(res
->ies
);
7776 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
7778 goto fail_unlock_rcu
;
7779 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
7780 ies
->len
, ies
->data
))
7781 goto fail_unlock_rcu
;
7784 /* and this pointer is always (unless driver didn't know) beacon data */
7785 ies
= rcu_dereference(res
->beacon_ies
);
7786 if (ies
&& ies
->from_beacon
) {
7787 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
7789 goto fail_unlock_rcu
;
7790 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
7791 ies
->len
, ies
->data
))
7792 goto fail_unlock_rcu
;
7796 if (res
->beacon_interval
&&
7797 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
7798 goto nla_put_failure
;
7799 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
7800 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
7801 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
7802 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
7803 jiffies_to_msecs(jiffies
- intbss
->ts
)))
7804 goto nla_put_failure
;
7806 if (intbss
->parent_tsf
&&
7807 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
7808 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
7809 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
7810 intbss
->parent_bssid
)))
7811 goto nla_put_failure
;
7813 if (intbss
->ts_boottime
&&
7814 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
7815 intbss
->ts_boottime
, NL80211_BSS_PAD
))
7816 goto nla_put_failure
;
7818 switch (rdev
->wiphy
.signal_type
) {
7819 case CFG80211_SIGNAL_TYPE_MBM
:
7820 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
7821 goto nla_put_failure
;
7823 case CFG80211_SIGNAL_TYPE_UNSPEC
:
7824 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
7825 goto nla_put_failure
;
7831 switch (wdev
->iftype
) {
7832 case NL80211_IFTYPE_P2P_CLIENT
:
7833 case NL80211_IFTYPE_STATION
:
7834 if (intbss
== wdev
->current_bss
&&
7835 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7836 NL80211_BSS_STATUS_ASSOCIATED
))
7837 goto nla_put_failure
;
7839 case NL80211_IFTYPE_ADHOC
:
7840 if (intbss
== wdev
->current_bss
&&
7841 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7842 NL80211_BSS_STATUS_IBSS_JOINED
))
7843 goto nla_put_failure
;
7849 nla_nest_end(msg
, bss
);
7851 genlmsg_end(msg
, hdr
);
7857 genlmsg_cancel(msg
, hdr
);
7861 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7863 struct cfg80211_registered_device
*rdev
;
7864 struct cfg80211_internal_bss
*scan
;
7865 struct wireless_dev
*wdev
;
7866 int start
= cb
->args
[2], idx
= 0;
7870 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7877 spin_lock_bh(&rdev
->bss_lock
);
7878 cfg80211_bss_expire(rdev
);
7880 cb
->seq
= rdev
->bss_generation
;
7882 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7885 if (nl80211_send_bss(skb
, cb
,
7886 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7887 rdev
, wdev
, scan
) < 0) {
7893 spin_unlock_bh(&rdev
->bss_lock
);
7902 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7903 int flags
, struct net_device
*dev
,
7904 bool allow_radio_stats
,
7905 struct survey_info
*survey
)
7908 struct nlattr
*infoattr
;
7910 /* skip radio stats if userspace didn't request them */
7911 if (!survey
->channel
&& !allow_radio_stats
)
7914 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7915 NL80211_CMD_NEW_SURVEY_RESULTS
);
7919 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7920 goto nla_put_failure
;
7922 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7924 goto nla_put_failure
;
7926 if (survey
->channel
&&
7927 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7928 survey
->channel
->center_freq
))
7929 goto nla_put_failure
;
7931 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7932 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7933 goto nla_put_failure
;
7934 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7935 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7936 goto nla_put_failure
;
7937 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7938 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7939 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7940 goto nla_put_failure
;
7941 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7942 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7943 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7944 goto nla_put_failure
;
7945 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7946 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7947 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7948 goto nla_put_failure
;
7949 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7950 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7951 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7952 goto nla_put_failure
;
7953 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7954 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7955 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7956 goto nla_put_failure
;
7957 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7958 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7959 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7960 goto nla_put_failure
;
7962 nla_nest_end(msg
, infoattr
);
7964 genlmsg_end(msg
, hdr
);
7968 genlmsg_cancel(msg
, hdr
);
7972 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7974 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
7975 struct survey_info survey
;
7976 struct cfg80211_registered_device
*rdev
;
7977 struct wireless_dev
*wdev
;
7978 int survey_idx
= cb
->args
[2];
7983 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7987 /* prepare_wdev_dump parsed the attributes */
7988 radio_stats
= attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7990 if (!wdev
->netdev
) {
7995 if (!rdev
->ops
->dump_survey
) {
8001 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
8007 /* don't send disabled channels, but do send non-channel data */
8008 if (survey
.channel
&&
8009 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
8014 if (nl80211_send_survey(skb
,
8015 NETLINK_CB(cb
->skb
).portid
,
8016 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8017 wdev
->netdev
, radio_stats
, &survey
) < 0)
8023 cb
->args
[2] = survey_idx
;
8030 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
8032 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
8033 NL80211_WPA_VERSION_2
));
8036 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8038 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8039 struct net_device
*dev
= info
->user_ptr
[1];
8040 struct ieee80211_channel
*chan
;
8041 const u8
*bssid
, *ssid
, *ie
= NULL
, *auth_data
= NULL
;
8042 int err
, ssid_len
, ie_len
= 0, auth_data_len
= 0;
8043 enum nl80211_auth_type auth_type
;
8044 struct key_parse key
;
8045 bool local_state_change
;
8047 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8050 if (!info
->attrs
[NL80211_ATTR_MAC
])
8053 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
8056 if (!info
->attrs
[NL80211_ATTR_SSID
])
8059 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8062 err
= nl80211_parse_key(info
, &key
);
8067 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
8069 if (!key
.p
.key
|| !key
.p
.key_len
)
8071 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
8072 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
8073 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
8074 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
8087 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
8088 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
8097 if (!rdev
->ops
->auth
)
8100 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8101 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8104 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8105 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8106 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8110 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8111 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8113 if (info
->attrs
[NL80211_ATTR_IE
]) {
8114 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8115 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8118 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8119 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
8122 if ((auth_type
== NL80211_AUTHTYPE_SAE
||
8123 auth_type
== NL80211_AUTHTYPE_FILS_SK
||
8124 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
8125 auth_type
== NL80211_AUTHTYPE_FILS_PK
) &&
8126 !info
->attrs
[NL80211_ATTR_AUTH_DATA
])
8129 if (info
->attrs
[NL80211_ATTR_AUTH_DATA
]) {
8130 if (auth_type
!= NL80211_AUTHTYPE_SAE
&&
8131 auth_type
!= NL80211_AUTHTYPE_FILS_SK
&&
8132 auth_type
!= NL80211_AUTHTYPE_FILS_SK_PFS
&&
8133 auth_type
!= NL80211_AUTHTYPE_FILS_PK
)
8135 auth_data
= nla_data(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8136 auth_data_len
= nla_len(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8137 /* need to include at least Auth Transaction and Status Code */
8138 if (auth_data_len
< 4)
8142 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8145 * Since we no longer track auth state, ignore
8146 * requests to only change local state.
8148 if (local_state_change
)
8151 wdev_lock(dev
->ieee80211_ptr
);
8152 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
8153 ssid
, ssid_len
, ie
, ie_len
,
8154 key
.p
.key
, key
.p
.key_len
, key
.idx
,
8155 auth_data
, auth_data_len
);
8156 wdev_unlock(dev
->ieee80211_ptr
);
8160 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
8161 struct genl_info
*info
,
8162 struct cfg80211_crypto_settings
*settings
,
8165 memset(settings
, 0, sizeof(*settings
));
8167 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
8169 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
8172 proto
= nla_get_u16(
8173 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
8174 settings
->control_port_ethertype
= cpu_to_be16(proto
);
8175 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
8178 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
8179 settings
->control_port_no_encrypt
= true;
8181 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
8183 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
8187 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8188 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8189 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
8191 if (len
% sizeof(u32
))
8194 if (settings
->n_ciphers_pairwise
> cipher_limit
)
8197 memcpy(settings
->ciphers_pairwise
, data
, len
);
8199 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
8200 if (!cfg80211_supported_cipher_suite(
8202 settings
->ciphers_pairwise
[i
]))
8206 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
8207 settings
->cipher_group
=
8208 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
8209 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
8210 settings
->cipher_group
))
8214 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
8215 settings
->wpa_versions
=
8216 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
8217 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
8221 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
8225 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8226 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8227 settings
->n_akm_suites
= len
/ sizeof(u32
);
8229 if (len
% sizeof(u32
))
8232 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
8235 memcpy(settings
->akm_suites
, data
, len
);
8238 if (info
->attrs
[NL80211_ATTR_PMK
]) {
8239 if (nla_len(info
->attrs
[NL80211_ATTR_PMK
]) != WLAN_PMK_LEN
)
8241 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8242 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK
))
8244 settings
->psk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
8250 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
8252 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8253 struct net_device
*dev
= info
->user_ptr
[1];
8254 struct ieee80211_channel
*chan
;
8255 struct cfg80211_assoc_request req
= {};
8256 const u8
*bssid
, *ssid
;
8257 int err
, ssid_len
= 0;
8259 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8262 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
8263 !info
->attrs
[NL80211_ATTR_SSID
] ||
8264 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8267 if (!rdev
->ops
->assoc
)
8270 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8271 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8274 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8276 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8277 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8281 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8282 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8284 if (info
->attrs
[NL80211_ATTR_IE
]) {
8285 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8286 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8289 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8290 enum nl80211_mfp mfp
=
8291 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8292 if (mfp
== NL80211_MFP_REQUIRED
)
8294 else if (mfp
!= NL80211_MFP_NO
)
8298 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8299 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8301 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8302 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
8304 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8305 memcpy(&req
.ht_capa_mask
,
8306 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8307 sizeof(req
.ht_capa_mask
));
8309 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8310 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8312 memcpy(&req
.ht_capa
,
8313 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8314 sizeof(req
.ht_capa
));
8317 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8318 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8320 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8321 memcpy(&req
.vht_capa_mask
,
8322 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8323 sizeof(req
.vht_capa_mask
));
8325 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8326 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8328 memcpy(&req
.vht_capa
,
8329 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8330 sizeof(req
.vht_capa
));
8333 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8334 if (!((rdev
->wiphy
.features
&
8335 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8336 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8337 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8338 NL80211_EXT_FEATURE_RRM
))
8340 req
.flags
|= ASSOC_REQ_USE_RRM
;
8343 if (info
->attrs
[NL80211_ATTR_FILS_KEK
]) {
8344 req
.fils_kek
= nla_data(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8345 req
.fils_kek_len
= nla_len(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8346 if (!info
->attrs
[NL80211_ATTR_FILS_NONCES
])
8349 nla_data(info
->attrs
[NL80211_ATTR_FILS_NONCES
]);
8352 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
8354 wdev_lock(dev
->ieee80211_ptr
);
8356 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
8357 ssid
, ssid_len
, &req
);
8359 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
8360 dev
->ieee80211_ptr
->conn_owner_nlportid
=
8362 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
8366 wdev_unlock(dev
->ieee80211_ptr
);
8372 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8374 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8375 struct net_device
*dev
= info
->user_ptr
[1];
8376 const u8
*ie
= NULL
, *bssid
;
8377 int ie_len
= 0, err
;
8379 bool local_state_change
;
8381 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8384 if (!info
->attrs
[NL80211_ATTR_MAC
])
8387 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8390 if (!rdev
->ops
->deauth
)
8393 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8394 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8397 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8399 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8400 if (reason_code
== 0) {
8401 /* Reason Code 0 is reserved */
8405 if (info
->attrs
[NL80211_ATTR_IE
]) {
8406 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8407 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8410 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8412 wdev_lock(dev
->ieee80211_ptr
);
8413 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8414 local_state_change
);
8415 wdev_unlock(dev
->ieee80211_ptr
);
8419 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
8421 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8422 struct net_device
*dev
= info
->user_ptr
[1];
8423 const u8
*ie
= NULL
, *bssid
;
8424 int ie_len
= 0, err
;
8426 bool local_state_change
;
8428 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8431 if (!info
->attrs
[NL80211_ATTR_MAC
])
8434 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8437 if (!rdev
->ops
->disassoc
)
8440 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8441 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8444 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8446 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8447 if (reason_code
== 0) {
8448 /* Reason Code 0 is reserved */
8452 if (info
->attrs
[NL80211_ATTR_IE
]) {
8453 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8454 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8457 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8459 wdev_lock(dev
->ieee80211_ptr
);
8460 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8461 local_state_change
);
8462 wdev_unlock(dev
->ieee80211_ptr
);
8467 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
8468 int mcast_rate
[NUM_NL80211_BANDS
],
8471 struct wiphy
*wiphy
= &rdev
->wiphy
;
8475 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
8476 struct ieee80211_supported_band
*sband
;
8478 sband
= wiphy
->bands
[band
];
8482 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
8483 if (sband
->bitrates
[i
].bitrate
== rateval
) {
8484 mcast_rate
[band
] = i
+ 1;
8494 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8496 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8497 struct net_device
*dev
= info
->user_ptr
[1];
8498 struct cfg80211_ibss_params ibss
;
8499 struct wiphy
*wiphy
;
8500 struct cfg80211_cached_keys
*connkeys
= NULL
;
8503 memset(&ibss
, 0, sizeof(ibss
));
8505 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8508 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8509 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8512 ibss
.beacon_interval
= 100;
8514 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
])
8515 ibss
.beacon_interval
=
8516 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8518 err
= cfg80211_validate_beacon_int(rdev
, NL80211_IFTYPE_ADHOC
,
8519 ibss
.beacon_interval
);
8523 if (!rdev
->ops
->join_ibss
)
8526 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8529 wiphy
= &rdev
->wiphy
;
8531 if (info
->attrs
[NL80211_ATTR_MAC
]) {
8532 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8534 if (!is_valid_ether_addr(ibss
.bssid
))
8537 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8538 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8540 if (info
->attrs
[NL80211_ATTR_IE
]) {
8541 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8542 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8545 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
8549 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
8550 NL80211_IFTYPE_ADHOC
))
8553 switch (ibss
.chandef
.width
) {
8554 case NL80211_CHAN_WIDTH_5
:
8555 case NL80211_CHAN_WIDTH_10
:
8556 case NL80211_CHAN_WIDTH_20_NOHT
:
8558 case NL80211_CHAN_WIDTH_20
:
8559 case NL80211_CHAN_WIDTH_40
:
8560 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8563 case NL80211_CHAN_WIDTH_80
:
8564 case NL80211_CHAN_WIDTH_80P80
:
8565 case NL80211_CHAN_WIDTH_160
:
8566 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8568 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8569 NL80211_EXT_FEATURE_VHT_IBSS
))
8576 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
8577 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
8579 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8581 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8583 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8584 struct ieee80211_supported_band
*sband
=
8585 wiphy
->bands
[ibss
.chandef
.chan
->band
];
8587 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8593 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8594 memcpy(&ibss
.ht_capa_mask
,
8595 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8596 sizeof(ibss
.ht_capa_mask
));
8598 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8599 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8601 memcpy(&ibss
.ht_capa
,
8602 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8603 sizeof(ibss
.ht_capa
));
8606 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8607 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
8608 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8611 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8614 connkeys
= nl80211_parse_connkeys(rdev
,
8615 info
->attrs
[NL80211_ATTR_KEYS
],
8617 if (IS_ERR(connkeys
))
8618 return PTR_ERR(connkeys
);
8620 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
8628 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
8630 ibss
.userspace_handles_dfs
=
8631 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
8633 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
8639 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8641 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8642 struct net_device
*dev
= info
->user_ptr
[1];
8644 if (!rdev
->ops
->leave_ibss
)
8647 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8650 return cfg80211_leave_ibss(rdev
, dev
, false);
8653 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
8655 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8656 struct net_device
*dev
= info
->user_ptr
[1];
8657 int mcast_rate
[NUM_NL80211_BANDS
];
8661 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
8662 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
8663 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
8666 if (!rdev
->ops
->set_mcast_rate
)
8669 memset(mcast_rate
, 0, sizeof(mcast_rate
));
8671 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
8674 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
8675 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
8678 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
8683 static struct sk_buff
*
8684 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
8685 struct wireless_dev
*wdev
, int approxlen
,
8686 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
8687 enum nl80211_attrs attr
,
8688 const struct nl80211_vendor_cmd_info
*info
,
8691 struct sk_buff
*skb
;
8693 struct nlattr
*data
;
8695 skb
= nlmsg_new(approxlen
+ 100, gfp
);
8699 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
8705 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
8706 goto nla_put_failure
;
8709 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
8711 goto nla_put_failure
;
8712 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
8714 goto nla_put_failure
;
8718 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
8719 wdev_id(wdev
), NL80211_ATTR_PAD
))
8720 goto nla_put_failure
;
8722 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
8723 wdev
->netdev
->ifindex
))
8724 goto nla_put_failure
;
8727 data
= nla_nest_start(skb
, attr
);
8729 goto nla_put_failure
;
8731 ((void **)skb
->cb
)[0] = rdev
;
8732 ((void **)skb
->cb
)[1] = hdr
;
8733 ((void **)skb
->cb
)[2] = data
;
8742 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
8743 struct wireless_dev
*wdev
,
8744 enum nl80211_commands cmd
,
8745 enum nl80211_attrs attr
,
8746 int vendor_event_idx
,
8747 int approxlen
, gfp_t gfp
)
8749 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
8750 const struct nl80211_vendor_cmd_info
*info
;
8753 case NL80211_CMD_TESTMODE
:
8754 if (WARN_ON(vendor_event_idx
!= -1))
8758 case NL80211_CMD_VENDOR
:
8759 if (WARN_ON(vendor_event_idx
< 0 ||
8760 vendor_event_idx
>= wiphy
->n_vendor_events
))
8762 info
= &wiphy
->vendor_events
[vendor_event_idx
];
8769 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
8770 cmd
, attr
, info
, gfp
);
8772 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
8774 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
8776 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8777 void *hdr
= ((void **)skb
->cb
)[1];
8778 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8779 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
8781 /* clear CB data for netlink core to own from now on */
8782 memset(skb
->cb
, 0, sizeof(skb
->cb
));
8784 nla_nest_end(skb
, data
);
8785 genlmsg_end(skb
, hdr
);
8787 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
8788 mcgrp
= NL80211_MCGRP_VENDOR
;
8790 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
8793 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
8795 #ifdef CONFIG_NL80211_TESTMODE
8796 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
8798 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8799 struct wireless_dev
*wdev
=
8800 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8803 if (!rdev
->ops
->testmode_cmd
)
8807 err
= PTR_ERR(wdev
);
8811 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8815 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
8818 rdev
->cur_cmd_info
= info
;
8819 err
= rdev_testmode_cmd(rdev
, wdev
,
8820 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
8821 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
8822 rdev
->cur_cmd_info
= NULL
;
8827 static int nl80211_testmode_dump(struct sk_buff
*skb
,
8828 struct netlink_callback
*cb
)
8830 struct cfg80211_registered_device
*rdev
;
8840 * 0 is a valid index, but not valid for args[0],
8841 * so we need to offset by 1.
8843 phy_idx
= cb
->args
[0] - 1;
8845 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
8851 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
8853 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
8854 attrbuf
, nl80211_fam
.maxattr
,
8855 nl80211_policy
, NULL
);
8859 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
8861 err
= PTR_ERR(rdev
);
8864 phy_idx
= rdev
->wiphy_idx
;
8866 if (attrbuf
[NL80211_ATTR_TESTDATA
])
8867 cb
->args
[1] = (long)attrbuf
[NL80211_ATTR_TESTDATA
];
8871 data
= nla_data((void *)cb
->args
[1]);
8872 data_len
= nla_len((void *)cb
->args
[1]);
8875 if (!rdev
->ops
->testmode_dump
) {
8881 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
8882 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8883 NL80211_CMD_TESTMODE
);
8884 struct nlattr
*tmdata
;
8889 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
8890 genlmsg_cancel(skb
, hdr
);
8894 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
8896 genlmsg_cancel(skb
, hdr
);
8899 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
8900 nla_nest_end(skb
, tmdata
);
8902 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
8903 genlmsg_cancel(skb
, hdr
);
8906 genlmsg_cancel(skb
, hdr
);
8910 genlmsg_end(skb
, hdr
);
8915 cb
->args
[0] = phy_idx
+ 1;
8922 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8924 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8925 struct net_device
*dev
= info
->user_ptr
[1];
8926 struct cfg80211_connect_params connect
;
8927 struct wiphy
*wiphy
;
8928 struct cfg80211_cached_keys
*connkeys
= NULL
;
8931 memset(&connect
, 0, sizeof(connect
));
8933 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8936 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8937 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8940 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8942 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8943 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8944 NL80211_CMD_CONNECT
))
8947 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8949 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8951 if (info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
] &&
8952 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8953 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
8955 connect
.want_1x
= info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
];
8957 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8958 NL80211_MAX_NR_CIPHER_SUITES
);
8962 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8963 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8966 wiphy
= &rdev
->wiphy
;
8968 connect
.bg_scan_period
= -1;
8969 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8970 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8971 connect
.bg_scan_period
=
8972 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8975 if (info
->attrs
[NL80211_ATTR_MAC
])
8976 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8977 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8978 connect
.bssid_hint
=
8979 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8980 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8981 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8983 if (info
->attrs
[NL80211_ATTR_IE
]) {
8984 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8985 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8988 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8989 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8990 if (connect
.mfp
== NL80211_MFP_OPTIONAL
&&
8991 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8992 NL80211_EXT_FEATURE_MFP_OPTIONAL
))
8995 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
8996 connect
.mfp
!= NL80211_MFP_NO
&&
8997 connect
.mfp
!= NL80211_MFP_OPTIONAL
)
9000 connect
.mfp
= NL80211_MFP_NO
;
9003 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
9004 connect
.prev_bssid
=
9005 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
9007 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9008 connect
.channel
= nl80211_get_valid_chan(
9009 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
9010 if (!connect
.channel
)
9012 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
9013 connect
.channel_hint
= nl80211_get_valid_chan(
9014 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
9015 if (!connect
.channel_hint
)
9019 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
9020 connkeys
= nl80211_parse_connkeys(rdev
,
9021 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
9022 if (IS_ERR(connkeys
))
9023 return PTR_ERR(connkeys
);
9026 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
9027 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
9029 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
9030 memcpy(&connect
.ht_capa_mask
,
9031 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
9032 sizeof(connect
.ht_capa_mask
));
9034 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
9035 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
9039 memcpy(&connect
.ht_capa
,
9040 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
9041 sizeof(connect
.ht_capa
));
9044 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
9045 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
9047 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
9048 memcpy(&connect
.vht_capa_mask
,
9049 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
9050 sizeof(connect
.vht_capa_mask
));
9052 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
9053 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
9057 memcpy(&connect
.vht_capa
,
9058 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
9059 sizeof(connect
.vht_capa
));
9062 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
9063 if (!((rdev
->wiphy
.features
&
9064 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
9065 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
9066 !wiphy_ext_feature_isset(&rdev
->wiphy
,
9067 NL80211_EXT_FEATURE_RRM
)) {
9071 connect
.flags
|= ASSOC_REQ_USE_RRM
;
9074 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
9075 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
9080 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
9081 /* bss selection makes no sense if bssid is set */
9082 if (connect
.bssid
) {
9087 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
9088 wiphy
, &connect
.bss_select
);
9095 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
9096 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
9097 info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] &&
9098 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] &&
9099 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] &&
9100 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9101 connect
.fils_erp_username
=
9102 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9103 connect
.fils_erp_username_len
=
9104 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9105 connect
.fils_erp_realm
=
9106 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9107 connect
.fils_erp_realm_len
=
9108 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9109 connect
.fils_erp_next_seq_num
=
9111 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
]);
9112 connect
.fils_erp_rrk
=
9113 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9114 connect
.fils_erp_rrk_len
=
9115 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9116 } else if (info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] ||
9117 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] ||
9118 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] ||
9119 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9124 wdev_lock(dev
->ieee80211_ptr
);
9126 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
9127 connect
.prev_bssid
);
9131 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
9132 dev
->ieee80211_ptr
->conn_owner_nlportid
= info
->snd_portid
;
9134 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
9135 connect
.bssid
, ETH_ALEN
);
9137 memset(dev
->ieee80211_ptr
->disconnect_bssid
,
9141 wdev_unlock(dev
->ieee80211_ptr
);
9146 static int nl80211_update_connect_params(struct sk_buff
*skb
,
9147 struct genl_info
*info
)
9149 struct cfg80211_connect_params connect
= {};
9150 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9151 struct net_device
*dev
= info
->user_ptr
[1];
9152 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9156 if (!rdev
->ops
->update_connect_params
)
9159 if (info
->attrs
[NL80211_ATTR_IE
]) {
9160 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9162 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9163 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9164 changed
|= UPDATE_ASSOC_IES
;
9167 wdev_lock(dev
->ieee80211_ptr
);
9168 if (!wdev
->current_bss
)
9171 ret
= rdev_update_connect_params(rdev
, dev
, &connect
, changed
);
9172 wdev_unlock(dev
->ieee80211_ptr
);
9177 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
9179 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9180 struct net_device
*dev
= info
->user_ptr
[1];
9184 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
9185 reason
= WLAN_REASON_DEAUTH_LEAVING
;
9187 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
9192 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9193 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9196 wdev_lock(dev
->ieee80211_ptr
);
9197 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
9198 wdev_unlock(dev
->ieee80211_ptr
);
9202 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
9204 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9208 if (info
->attrs
[NL80211_ATTR_PID
]) {
9209 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
9211 net
= get_net_ns_by_pid(pid
);
9212 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
9213 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
9215 net
= get_net_ns_by_fd(fd
);
9221 return PTR_ERR(net
);
9225 /* check if anything to do */
9226 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
9227 err
= cfg80211_switch_netns(rdev
, net
);
9233 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9235 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9236 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
9237 struct cfg80211_pmksa
*pmksa
) = NULL
;
9238 struct net_device
*dev
= info
->user_ptr
[1];
9239 struct cfg80211_pmksa pmksa
;
9241 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
9243 if (!info
->attrs
[NL80211_ATTR_PMKID
])
9246 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
9248 if (info
->attrs
[NL80211_ATTR_MAC
]) {
9249 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9250 } else if (info
->attrs
[NL80211_ATTR_SSID
] &&
9251 info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
] &&
9252 (info
->genlhdr
->cmd
== NL80211_CMD_DEL_PMKSA
||
9253 info
->attrs
[NL80211_ATTR_PMK
])) {
9254 pmksa
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
9255 pmksa
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
9257 nla_data(info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
]);
9261 if (info
->attrs
[NL80211_ATTR_PMK
]) {
9262 pmksa
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
9263 pmksa
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
9266 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9267 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9270 switch (info
->genlhdr
->cmd
) {
9271 case NL80211_CMD_SET_PMKSA
:
9272 rdev_ops
= rdev
->ops
->set_pmksa
;
9274 case NL80211_CMD_DEL_PMKSA
:
9275 rdev_ops
= rdev
->ops
->del_pmksa
;
9285 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
9288 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9290 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9291 struct net_device
*dev
= info
->user_ptr
[1];
9293 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9294 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9297 if (!rdev
->ops
->flush_pmksa
)
9300 return rdev_flush_pmksa(rdev
, dev
);
9303 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9305 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9306 struct net_device
*dev
= info
->user_ptr
[1];
9307 u8 action_code
, dialog_token
;
9308 u32 peer_capability
= 0;
9313 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9314 !rdev
->ops
->tdls_mgmt
)
9317 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
9318 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
9319 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
9320 !info
->attrs
[NL80211_ATTR_IE
] ||
9321 !info
->attrs
[NL80211_ATTR_MAC
])
9324 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9325 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
9326 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
9327 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
9328 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
9329 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
9331 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
9333 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
9334 dialog_token
, status_code
, peer_capability
,
9336 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
9337 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
9340 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
9342 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9343 struct net_device
*dev
= info
->user_ptr
[1];
9344 enum nl80211_tdls_operation operation
;
9347 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9348 !rdev
->ops
->tdls_oper
)
9351 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
9352 !info
->attrs
[NL80211_ATTR_MAC
])
9355 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
9356 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9358 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
9361 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
9362 struct genl_info
*info
)
9364 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9365 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9366 struct cfg80211_chan_def chandef
;
9367 const struct cfg80211_chan_def
*compat_chandef
;
9368 struct sk_buff
*msg
;
9374 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
9375 !info
->attrs
[NL80211_ATTR_DURATION
])
9378 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9380 if (!rdev
->ops
->remain_on_channel
||
9381 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
9385 * We should be on that channel for at least a minimum amount of
9386 * time (10ms) but no longer than the driver supports.
9388 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9389 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
9392 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9397 if (!cfg80211_off_channel_oper_allowed(wdev
) &&
9398 !cfg80211_chandef_identical(&wdev
->chandef
, &chandef
)) {
9399 compat_chandef
= cfg80211_chandef_compatible(&wdev
->chandef
,
9401 if (compat_chandef
!= &chandef
) {
9408 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9412 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9413 NL80211_CMD_REMAIN_ON_CHANNEL
);
9419 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
9425 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9427 goto nla_put_failure
;
9429 genlmsg_end(msg
, hdr
);
9431 return genlmsg_reply(msg
, info
);
9440 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
9441 struct genl_info
*info
)
9443 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9444 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9447 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9450 if (!rdev
->ops
->cancel_remain_on_channel
)
9453 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9455 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
9458 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
9459 struct genl_info
*info
)
9461 struct cfg80211_bitrate_mask mask
;
9462 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9463 struct net_device
*dev
= info
->user_ptr
[1];
9466 if (!rdev
->ops
->set_bitrate_mask
)
9469 err
= nl80211_parse_tx_bitrate_mask(info
, &mask
);
9473 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
9476 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9478 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9479 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9480 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
9482 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
9485 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
9486 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
9488 switch (wdev
->iftype
) {
9489 case NL80211_IFTYPE_STATION
:
9490 case NL80211_IFTYPE_ADHOC
:
9491 case NL80211_IFTYPE_P2P_CLIENT
:
9492 case NL80211_IFTYPE_AP
:
9493 case NL80211_IFTYPE_AP_VLAN
:
9494 case NL80211_IFTYPE_MESH_POINT
:
9495 case NL80211_IFTYPE_P2P_GO
:
9496 case NL80211_IFTYPE_P2P_DEVICE
:
9498 case NL80211_IFTYPE_NAN
:
9503 /* not much point in registering if we can't reply */
9504 if (!rdev
->ops
->mgmt_tx
)
9507 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
9508 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
9509 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
9512 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9514 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9515 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9516 struct cfg80211_chan_def chandef
;
9520 struct sk_buff
*msg
= NULL
;
9521 struct cfg80211_mgmt_tx_params params
= {
9522 .dont_wait_for_ack
=
9523 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
9526 if (!info
->attrs
[NL80211_ATTR_FRAME
])
9529 if (!rdev
->ops
->mgmt_tx
)
9532 switch (wdev
->iftype
) {
9533 case NL80211_IFTYPE_P2P_DEVICE
:
9534 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
9536 case NL80211_IFTYPE_STATION
:
9537 case NL80211_IFTYPE_ADHOC
:
9538 case NL80211_IFTYPE_P2P_CLIENT
:
9539 case NL80211_IFTYPE_AP
:
9540 case NL80211_IFTYPE_AP_VLAN
:
9541 case NL80211_IFTYPE_MESH_POINT
:
9542 case NL80211_IFTYPE_P2P_GO
:
9544 case NL80211_IFTYPE_NAN
:
9549 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
9550 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9552 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9555 * We should wait on the channel for at least a minimum amount
9556 * of time (10ms) but no longer than the driver supports.
9558 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9559 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
9563 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
9565 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9568 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
9570 /* get the channel if any has been specified, otherwise pass NULL to
9571 * the driver. The latter will use the current one
9573 chandef
.chan
= NULL
;
9574 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9575 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9580 if (!chandef
.chan
&& params
.offchan
)
9584 if (params
.offchan
&& !cfg80211_off_channel_oper_allowed(wdev
)) {
9590 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
9591 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
9593 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
9594 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9597 if (len
% sizeof(u16
))
9600 params
.n_csa_offsets
= len
/ sizeof(u16
);
9601 params
.csa_offsets
=
9602 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9604 /* check that all the offsets fit the frame */
9605 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
9606 if (params
.csa_offsets
[i
] >= params
.len
)
9611 if (!params
.dont_wait_for_ack
) {
9612 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9616 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9624 params
.chan
= chandef
.chan
;
9625 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
9630 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9632 goto nla_put_failure
;
9634 genlmsg_end(msg
, hdr
);
9635 return genlmsg_reply(msg
, info
);
9647 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
9649 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9650 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9653 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9656 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
9659 switch (wdev
->iftype
) {
9660 case NL80211_IFTYPE_STATION
:
9661 case NL80211_IFTYPE_ADHOC
:
9662 case NL80211_IFTYPE_P2P_CLIENT
:
9663 case NL80211_IFTYPE_AP
:
9664 case NL80211_IFTYPE_AP_VLAN
:
9665 case NL80211_IFTYPE_P2P_GO
:
9666 case NL80211_IFTYPE_P2P_DEVICE
:
9668 case NL80211_IFTYPE_NAN
:
9673 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9675 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
9678 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9680 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9681 struct wireless_dev
*wdev
;
9682 struct net_device
*dev
= info
->user_ptr
[1];
9687 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
9690 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
9692 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
9695 wdev
= dev
->ieee80211_ptr
;
9697 if (!rdev
->ops
->set_power_mgmt
)
9700 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
9702 if (state
== wdev
->ps
)
9705 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
9711 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9713 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9714 enum nl80211_ps_state ps_state
;
9715 struct wireless_dev
*wdev
;
9716 struct net_device
*dev
= info
->user_ptr
[1];
9717 struct sk_buff
*msg
;
9721 wdev
= dev
->ieee80211_ptr
;
9723 if (!rdev
->ops
->set_power_mgmt
)
9726 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9730 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9731 NL80211_CMD_GET_POWER_SAVE
);
9738 ps_state
= NL80211_PS_ENABLED
;
9740 ps_state
= NL80211_PS_DISABLED
;
9742 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
9743 goto nla_put_failure
;
9745 genlmsg_end(msg
, hdr
);
9746 return genlmsg_reply(msg
, info
);
9755 static const struct nla_policy
9756 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
9757 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_BINARY
},
9758 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
9759 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
9760 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
9761 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
9762 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
9763 [NL80211_ATTR_CQM_RSSI_LEVEL
] = { .type
= NLA_S32
},
9766 static int nl80211_set_cqm_txe(struct genl_info
*info
,
9767 u32 rate
, u32 pkts
, u32 intvl
)
9769 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9770 struct net_device
*dev
= info
->user_ptr
[1];
9771 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9773 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
9776 if (!rdev
->ops
->set_cqm_txe_config
)
9779 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9780 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9783 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
9786 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device
*rdev
,
9787 struct net_device
*dev
)
9789 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9790 s32 last
, low
, high
;
9795 /* RSSI reporting disabled? */
9796 if (!wdev
->cqm_config
)
9797 return rdev_set_cqm_rssi_range_config(rdev
, dev
, 0, 0);
9800 * Obtain current RSSI value if possible, if not and no RSSI threshold
9801 * event has been received yet, we should receive an event after a
9802 * connection is established and enough beacons received to calculate
9805 if (!wdev
->cqm_config
->last_rssi_event_value
&& wdev
->current_bss
&&
9806 rdev
->ops
->get_station
) {
9807 struct station_info sinfo
;
9810 mac_addr
= wdev
->current_bss
->pub
.bssid
;
9812 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
9816 if (sinfo
.filled
& BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
))
9817 wdev
->cqm_config
->last_rssi_event_value
=
9818 (s8
) sinfo
.rx_beacon_signal_avg
;
9821 last
= wdev
->cqm_config
->last_rssi_event_value
;
9822 hyst
= wdev
->cqm_config
->rssi_hyst
;
9823 n
= wdev
->cqm_config
->n_rssi_thresholds
;
9825 for (i
= 0; i
< n
; i
++)
9826 if (last
< wdev
->cqm_config
->rssi_thresholds
[i
])
9830 (wdev
->cqm_config
->rssi_thresholds
[i
- 1] - hyst
) : S32_MIN
;
9832 (wdev
->cqm_config
->rssi_thresholds
[i
] + hyst
- 1) : S32_MAX
;
9834 return rdev_set_cqm_rssi_range_config(rdev
, dev
, low
, high
);
9837 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
9838 const s32
*thresholds
, int n_thresholds
,
9841 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9842 struct net_device
*dev
= info
->user_ptr
[1];
9843 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9847 /* Check all values negative and sorted */
9848 for (i
= 0; i
< n_thresholds
; i
++) {
9849 if (thresholds
[i
] > 0 || thresholds
[i
] <= prev
)
9852 prev
= thresholds
[i
];
9855 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9856 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9860 cfg80211_cqm_config_free(wdev
);
9863 if (n_thresholds
<= 1 && rdev
->ops
->set_cqm_rssi_config
) {
9864 if (n_thresholds
== 0 || thresholds
[0] == 0) /* Disabling */
9865 return rdev_set_cqm_rssi_config(rdev
, dev
, 0, 0);
9867 return rdev_set_cqm_rssi_config(rdev
, dev
,
9868 thresholds
[0], hysteresis
);
9871 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
9872 NL80211_EXT_FEATURE_CQM_RSSI_LIST
))
9875 if (n_thresholds
== 1 && thresholds
[0] == 0) /* Disabling */
9880 struct cfg80211_cqm_config
*cqm_config
;
9882 cqm_config
= kzalloc(sizeof(struct cfg80211_cqm_config
) +
9883 n_thresholds
* sizeof(s32
), GFP_KERNEL
);
9889 cqm_config
->rssi_hyst
= hysteresis
;
9890 cqm_config
->n_rssi_thresholds
= n_thresholds
;
9891 memcpy(cqm_config
->rssi_thresholds
, thresholds
,
9892 n_thresholds
* sizeof(s32
));
9894 wdev
->cqm_config
= cqm_config
;
9897 err
= cfg80211_cqm_rssi_update(rdev
, dev
);
9905 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
9907 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
9911 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
9915 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
9916 nl80211_attr_cqm_policy
, info
->extack
);
9920 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9921 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9922 const s32
*thresholds
=
9923 nla_data(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9924 int len
= nla_len(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9925 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9930 return nl80211_set_cqm_rssi(info
, thresholds
, len
/ 4,
9934 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9935 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9936 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9937 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9938 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9939 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9941 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9947 static int nl80211_join_ocb(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 ocb_setup setup
= {};
9954 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9958 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9961 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9963 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9964 struct net_device
*dev
= info
->user_ptr
[1];
9966 return cfg80211_leave_ocb(rdev
, dev
);
9969 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9971 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9972 struct net_device
*dev
= info
->user_ptr
[1];
9973 struct mesh_config cfg
;
9974 struct mesh_setup setup
;
9977 /* start with default */
9978 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9979 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9981 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9982 /* and parse parameters if given */
9983 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9988 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9989 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9992 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9993 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9995 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9996 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
9997 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
10000 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
10001 setup
.beacon_interval
=
10002 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
10004 err
= cfg80211_validate_beacon_int(rdev
,
10005 NL80211_IFTYPE_MESH_POINT
,
10006 setup
.beacon_interval
);
10011 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
10012 setup
.dtim_period
=
10013 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
10014 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
10018 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
10019 /* parse additional setup parameters if given */
10020 err
= nl80211_parse_mesh_setup(info
, &setup
);
10025 if (setup
.user_mpm
)
10026 cfg
.auto_open_plinks
= false;
10028 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
10029 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
10033 /* cfg80211_join_mesh() will sort it out */
10034 setup
.chandef
.chan
= NULL
;
10037 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
10038 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10040 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10041 struct ieee80211_supported_band
*sband
;
10043 if (!setup
.chandef
.chan
)
10046 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
10048 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
10049 &setup
.basic_rates
);
10054 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
10055 err
= nl80211_parse_tx_bitrate_mask(info
, &setup
.beacon_rate
);
10059 if (!setup
.chandef
.chan
)
10062 err
= validate_beacon_tx_rate(rdev
, setup
.chandef
.chan
->band
,
10063 &setup
.beacon_rate
);
10068 setup
.userspace_handles_dfs
=
10069 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
10071 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
10074 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
10076 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10077 struct net_device
*dev
= info
->user_ptr
[1];
10079 return cfg80211_leave_mesh(rdev
, dev
);
10083 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
10084 struct cfg80211_registered_device
*rdev
)
10086 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
10087 struct nlattr
*nl_pats
, *nl_pat
;
10090 if (!wowlan
->n_patterns
)
10093 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
10097 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
10098 nl_pat
= nla_nest_start(msg
, i
+ 1);
10101 pat_len
= wowlan
->patterns
[i
].pattern_len
;
10102 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
10103 wowlan
->patterns
[i
].mask
) ||
10104 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10105 wowlan
->patterns
[i
].pattern
) ||
10106 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10107 wowlan
->patterns
[i
].pkt_offset
))
10109 nla_nest_end(msg
, nl_pat
);
10111 nla_nest_end(msg
, nl_pats
);
10116 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
10117 struct cfg80211_wowlan_tcp
*tcp
)
10119 struct nlattr
*nl_tcp
;
10124 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
10128 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
10129 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
10130 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
10131 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
10132 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
10133 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
10134 tcp
->payload_len
, tcp
->payload
) ||
10135 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
10136 tcp
->data_interval
) ||
10137 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
10138 tcp
->wake_len
, tcp
->wake_data
) ||
10139 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
10140 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
10143 if (tcp
->payload_seq
.len
&&
10144 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
10145 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
10148 if (tcp
->payload_tok
.len
&&
10149 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
10150 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
10151 &tcp
->payload_tok
))
10154 nla_nest_end(msg
, nl_tcp
);
10159 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
10160 struct cfg80211_sched_scan_request
*req
)
10162 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
10168 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
10172 if (req
->n_scan_plans
== 1 &&
10173 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
10174 req
->scan_plans
[0].interval
* 1000))
10177 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
10180 if (req
->relative_rssi_set
) {
10181 struct nl80211_bss_select_rssi_adjust rssi_adjust
;
10183 if (nla_put_s8(msg
, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
,
10184 req
->relative_rssi
))
10187 rssi_adjust
.band
= req
->rssi_adjust
.band
;
10188 rssi_adjust
.delta
= req
->rssi_adjust
.delta
;
10189 if (nla_put(msg
, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
,
10190 sizeof(rssi_adjust
), &rssi_adjust
))
10194 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10198 for (i
= 0; i
< req
->n_channels
; i
++) {
10199 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10203 nla_nest_end(msg
, freqs
);
10205 if (req
->n_match_sets
) {
10206 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
10210 for (i
= 0; i
< req
->n_match_sets
; i
++) {
10211 match
= nla_nest_start(msg
, i
);
10215 if (nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
10216 req
->match_sets
[i
].ssid
.ssid_len
,
10217 req
->match_sets
[i
].ssid
.ssid
))
10219 nla_nest_end(msg
, match
);
10221 nla_nest_end(msg
, matches
);
10224 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
10228 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
10229 scan_plan
= nla_nest_start(msg
, i
+ 1);
10234 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
10235 req
->scan_plans
[i
].interval
) ||
10236 (req
->scan_plans
[i
].iterations
&&
10237 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
10238 req
->scan_plans
[i
].iterations
)))
10240 nla_nest_end(msg
, scan_plan
);
10242 nla_nest_end(msg
, scan_plans
);
10244 nla_nest_end(msg
, nd
);
10249 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10251 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10252 struct sk_buff
*msg
;
10254 u32 size
= NLMSG_DEFAULT_SIZE
;
10256 if (!rdev
->wiphy
.wowlan
)
10257 return -EOPNOTSUPP
;
10259 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
10260 /* adjust size to have room for all the data */
10261 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
10262 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
10263 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
10264 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
10267 msg
= nlmsg_new(size
, GFP_KERNEL
);
10271 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10272 NL80211_CMD_GET_WOWLAN
);
10274 goto nla_put_failure
;
10276 if (rdev
->wiphy
.wowlan_config
) {
10277 struct nlattr
*nl_wowlan
;
10279 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
10281 goto nla_put_failure
;
10283 if ((rdev
->wiphy
.wowlan_config
->any
&&
10284 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
10285 (rdev
->wiphy
.wowlan_config
->disconnect
&&
10286 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
10287 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
10288 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
10289 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
10290 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
10291 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
10292 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
10293 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
10294 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
10295 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
10296 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
10297 goto nla_put_failure
;
10299 if (nl80211_send_wowlan_patterns(msg
, rdev
))
10300 goto nla_put_failure
;
10302 if (nl80211_send_wowlan_tcp(msg
,
10303 rdev
->wiphy
.wowlan_config
->tcp
))
10304 goto nla_put_failure
;
10306 if (nl80211_send_wowlan_nd(
10308 rdev
->wiphy
.wowlan_config
->nd_config
))
10309 goto nla_put_failure
;
10311 nla_nest_end(msg
, nl_wowlan
);
10314 genlmsg_end(msg
, hdr
);
10315 return genlmsg_reply(msg
, info
);
10322 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
10323 struct nlattr
*attr
,
10324 struct cfg80211_wowlan
*trig
)
10326 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
10327 struct cfg80211_wowlan_tcp
*cfg
;
10328 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
10329 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
10331 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
10334 if (!rdev
->wiphy
.wowlan
->tcp
)
10337 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TCP
, attr
,
10338 nl80211_wowlan_tcp_policy
, NULL
);
10342 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
10343 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
10344 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
10345 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
10346 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
10347 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
10348 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
10349 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
10352 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
10353 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
10356 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
10357 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
10358 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
10361 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
10362 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
10365 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
10366 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
10369 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
10370 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10372 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10373 tokens_size
= tokln
- sizeof(*tok
);
10375 if (!tok
->len
|| tokens_size
% tok
->len
)
10377 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
10379 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
10381 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
10383 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
10385 if (tok
->offset
+ tok
->len
> data_size
)
10389 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
10390 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
10391 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
10393 if (seq
->len
== 0 || seq
->len
> 4)
10395 if (seq
->len
+ seq
->offset
> data_size
)
10399 size
= sizeof(*cfg
);
10401 size
+= wake_size
+ wake_mask_size
;
10402 size
+= tokens_size
;
10404 cfg
= kzalloc(size
, GFP_KERNEL
);
10407 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
10408 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
10409 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
10411 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
10412 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
10416 /* allocate a socket and port for it and use it */
10417 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
10418 IPPROTO_TCP
, &cfg
->sock
, 1);
10423 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
10424 sock_release(cfg
->sock
);
10426 return -EADDRINUSE
;
10428 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
10434 cfg
->src_port
= port
;
10437 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
10438 cfg
->payload_len
= data_size
;
10439 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
10440 memcpy((void *)cfg
->payload
,
10441 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
10444 cfg
->payload_seq
= *seq
;
10445 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
10446 cfg
->wake_len
= wake_size
;
10447 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
10448 memcpy((void *)cfg
->wake_data
,
10449 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
10451 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
10452 data_size
+ wake_size
;
10453 memcpy((void *)cfg
->wake_mask
,
10454 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
10457 cfg
->tokens_size
= tokens_size
;
10458 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
10466 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
10467 const struct wiphy_wowlan_support
*wowlan
,
10468 struct nlattr
*attr
,
10469 struct cfg80211_wowlan
*trig
)
10471 struct nlattr
**tb
;
10474 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
10478 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
10483 err
= nla_parse_nested(tb
, NL80211_ATTR_MAX
, attr
, nl80211_policy
,
10488 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
,
10489 wowlan
->max_nd_match_sets
);
10490 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
10492 trig
->nd_config
= NULL
;
10499 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10501 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10502 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
10503 struct cfg80211_wowlan new_triggers
= {};
10504 struct cfg80211_wowlan
*ntrig
;
10505 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
10507 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
10508 bool regular
= false;
10511 return -EOPNOTSUPP
;
10513 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
10514 cfg80211_rdev_free_wowlan(rdev
);
10515 rdev
->wiphy
.wowlan_config
= NULL
;
10519 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TRIG
,
10520 info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
],
10521 nl80211_wowlan_policy
, info
->extack
);
10525 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
10526 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
10528 new_triggers
.any
= true;
10531 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
10532 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
10534 new_triggers
.disconnect
= true;
10538 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
10539 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
10541 new_triggers
.magic_pkt
= true;
10545 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
10548 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
10549 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
10551 new_triggers
.gtk_rekey_failure
= true;
10555 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
10556 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
10558 new_triggers
.eap_identity_req
= true;
10562 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
10563 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
10565 new_triggers
.four_way_handshake
= true;
10569 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
10570 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
10572 new_triggers
.rfkill_release
= true;
10576 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
10577 struct nlattr
*pat
;
10578 int n_patterns
= 0;
10579 int rem
, pat_len
, mask_len
, pkt_offset
;
10580 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10584 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10587 if (n_patterns
> wowlan
->n_patterns
)
10590 new_triggers
.patterns
= kcalloc(n_patterns
,
10591 sizeof(new_triggers
.patterns
[0]),
10593 if (!new_triggers
.patterns
)
10596 new_triggers
.n_patterns
= n_patterns
;
10599 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10603 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10604 nl80211_packet_pattern_policy
,
10607 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10608 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10610 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10611 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10612 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10614 if (pat_len
> wowlan
->pattern_max_len
||
10615 pat_len
< wowlan
->pattern_min_len
)
10618 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10621 pkt_offset
= nla_get_u32(
10622 pat_tb
[NL80211_PKTPAT_OFFSET
]);
10623 if (pkt_offset
> wowlan
->max_pkt_offset
)
10625 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
10627 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10632 new_triggers
.patterns
[i
].mask
= mask_pat
;
10633 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10635 mask_pat
+= mask_len
;
10636 new_triggers
.patterns
[i
].pattern
= mask_pat
;
10637 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
10639 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10645 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
10647 err
= nl80211_parse_wowlan_tcp(
10648 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
10654 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
10656 err
= nl80211_parse_wowlan_nd(
10657 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
10663 /* The 'any' trigger means the device continues operating more or less
10664 * as in its normal operation mode and wakes up the host on most of the
10665 * normal interrupts (like packet RX, ...)
10666 * It therefore makes little sense to combine with the more constrained
10667 * wakeup trigger modes.
10669 if (new_triggers
.any
&& regular
) {
10674 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
10679 cfg80211_rdev_free_wowlan(rdev
);
10680 rdev
->wiphy
.wowlan_config
= ntrig
;
10683 if (rdev
->ops
->set_wakeup
&&
10684 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
10685 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
10689 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
10690 kfree(new_triggers
.patterns
[i
].mask
);
10691 kfree(new_triggers
.patterns
);
10692 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
10693 sock_release(new_triggers
.tcp
->sock
);
10694 kfree(new_triggers
.tcp
);
10695 kfree(new_triggers
.nd_config
);
10700 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
10701 struct cfg80211_registered_device
*rdev
)
10703 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
10705 struct cfg80211_coalesce_rules
*rule
;
10707 if (!rdev
->coalesce
->n_rules
)
10710 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
10714 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
10715 nl_rule
= nla_nest_start(msg
, i
+ 1);
10719 rule
= &rdev
->coalesce
->rules
[i
];
10720 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
10724 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
10728 nl_pats
= nla_nest_start(msg
,
10729 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
10733 for (j
= 0; j
< rule
->n_patterns
; j
++) {
10734 nl_pat
= nla_nest_start(msg
, j
+ 1);
10737 pat_len
= rule
->patterns
[j
].pattern_len
;
10738 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
10739 DIV_ROUND_UP(pat_len
, 8),
10740 rule
->patterns
[j
].mask
) ||
10741 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10742 rule
->patterns
[j
].pattern
) ||
10743 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10744 rule
->patterns
[j
].pkt_offset
))
10746 nla_nest_end(msg
, nl_pat
);
10748 nla_nest_end(msg
, nl_pats
);
10749 nla_nest_end(msg
, nl_rule
);
10751 nla_nest_end(msg
, nl_rules
);
10756 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10758 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10759 struct sk_buff
*msg
;
10762 if (!rdev
->wiphy
.coalesce
)
10763 return -EOPNOTSUPP
;
10765 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10769 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10770 NL80211_CMD_GET_COALESCE
);
10772 goto nla_put_failure
;
10774 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
10775 goto nla_put_failure
;
10777 genlmsg_end(msg
, hdr
);
10778 return genlmsg_reply(msg
, info
);
10785 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
10787 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
10789 struct cfg80211_coalesce_rules
*rule
;
10794 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
10795 rule
= &coalesce
->rules
[i
];
10796 for (j
= 0; j
< rule
->n_patterns
; j
++)
10797 kfree(rule
->patterns
[j
].mask
);
10798 kfree(rule
->patterns
);
10800 kfree(coalesce
->rules
);
10802 rdev
->coalesce
= NULL
;
10805 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
10806 struct nlattr
*rule
,
10807 struct cfg80211_coalesce_rules
*new_rule
)
10810 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10811 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
10812 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
10813 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10815 err
= nla_parse_nested(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, rule
,
10816 nl80211_coalesce_policy
, NULL
);
10820 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
10822 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
10823 if (new_rule
->delay
> coalesce
->max_delay
)
10826 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
10827 new_rule
->condition
=
10828 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
10829 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
10830 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
10833 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
10836 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10839 if (n_patterns
> coalesce
->n_patterns
)
10842 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
10844 if (!new_rule
->patterns
)
10847 new_rule
->n_patterns
= n_patterns
;
10850 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10854 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10855 nl80211_packet_pattern_policy
, NULL
);
10856 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10857 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10859 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10860 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10861 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10863 if (pat_len
> coalesce
->pattern_max_len
||
10864 pat_len
< coalesce
->pattern_min_len
)
10867 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10870 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
10871 if (pkt_offset
> coalesce
->max_pkt_offset
)
10873 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
10875 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10879 new_rule
->patterns
[i
].mask
= mask_pat
;
10880 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10883 mask_pat
+= mask_len
;
10884 new_rule
->patterns
[i
].pattern
= mask_pat
;
10885 new_rule
->patterns
[i
].pattern_len
= pat_len
;
10886 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10894 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10896 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10897 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10898 struct cfg80211_coalesce new_coalesce
= {};
10899 struct cfg80211_coalesce
*n_coalesce
;
10900 int err
, rem_rule
, n_rules
= 0, i
, j
;
10901 struct nlattr
*rule
;
10902 struct cfg80211_coalesce_rules
*tmp_rule
;
10904 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
10905 return -EOPNOTSUPP
;
10907 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
10908 cfg80211_rdev_free_coalesce(rdev
);
10909 rdev_set_coalesce(rdev
, NULL
);
10913 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10916 if (n_rules
> coalesce
->n_rules
)
10919 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
10921 if (!new_coalesce
.rules
)
10924 new_coalesce
.n_rules
= n_rules
;
10927 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10929 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
10930 &new_coalesce
.rules
[i
]);
10937 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
10941 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
10946 cfg80211_rdev_free_coalesce(rdev
);
10947 rdev
->coalesce
= n_coalesce
;
10951 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
10952 tmp_rule
= &new_coalesce
.rules
[i
];
10953 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
10954 kfree(tmp_rule
->patterns
[j
].mask
);
10955 kfree(tmp_rule
->patterns
);
10957 kfree(new_coalesce
.rules
);
10962 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
10964 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10965 struct net_device
*dev
= info
->user_ptr
[1];
10966 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10967 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
10968 struct cfg80211_gtk_rekey_data rekey_data
;
10971 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10974 err
= nla_parse_nested(tb
, MAX_NL80211_REKEY_DATA
,
10975 info
->attrs
[NL80211_ATTR_REKEY_DATA
],
10976 nl80211_rekey_policy
, info
->extack
);
10980 if (!tb
[NL80211_REKEY_DATA_REPLAY_CTR
] || !tb
[NL80211_REKEY_DATA_KEK
] ||
10981 !tb
[NL80211_REKEY_DATA_KCK
])
10983 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10985 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10987 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10990 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10991 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10992 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
10995 if (!wdev
->current_bss
) {
11000 if (!rdev
->ops
->set_rekey_data
) {
11005 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
11011 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
11012 struct genl_info
*info
)
11014 struct net_device
*dev
= info
->user_ptr
[1];
11015 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11017 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11018 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11021 if (wdev
->ap_unexpected_nlportid
)
11024 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
11028 static int nl80211_probe_client(struct sk_buff
*skb
,
11029 struct genl_info
*info
)
11031 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11032 struct net_device
*dev
= info
->user_ptr
[1];
11033 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11034 struct sk_buff
*msg
;
11040 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11041 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11042 return -EOPNOTSUPP
;
11044 if (!info
->attrs
[NL80211_ATTR_MAC
])
11047 if (!rdev
->ops
->probe_client
)
11048 return -EOPNOTSUPP
;
11050 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11054 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11055 NL80211_CMD_PROBE_CLIENT
);
11061 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11063 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
11067 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11069 goto nla_put_failure
;
11071 genlmsg_end(msg
, hdr
);
11073 return genlmsg_reply(msg
, info
);
11082 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
11084 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11085 struct cfg80211_beacon_registration
*reg
, *nreg
;
11088 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
11089 return -EOPNOTSUPP
;
11091 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
11095 /* First, check if already registered. */
11096 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11097 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11098 if (reg
->nlportid
== info
->snd_portid
) {
11103 /* Add it to the list */
11104 nreg
->nlportid
= info
->snd_portid
;
11105 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
11107 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11111 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11116 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11118 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11119 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11122 if (!rdev
->ops
->start_p2p_device
)
11123 return -EOPNOTSUPP
;
11125 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11126 return -EOPNOTSUPP
;
11128 if (wdev_running(wdev
))
11131 if (rfkill_blocked(rdev
->rfkill
))
11134 err
= rdev_start_p2p_device(rdev
, wdev
);
11138 wdev
->is_running
= true;
11144 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11146 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11147 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11149 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11150 return -EOPNOTSUPP
;
11152 if (!rdev
->ops
->stop_p2p_device
)
11153 return -EOPNOTSUPP
;
11155 cfg80211_stop_p2p_device(rdev
, wdev
);
11160 static int nl80211_start_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11162 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11163 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11164 struct cfg80211_nan_conf conf
= {};
11167 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11168 return -EOPNOTSUPP
;
11170 if (wdev_running(wdev
))
11173 if (rfkill_blocked(rdev
->rfkill
))
11176 if (!info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
])
11180 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11181 if (!conf
.master_pref
)
11184 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11185 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11187 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11188 return -EOPNOTSUPP
;
11190 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11193 conf
.bands
= bands
;
11196 err
= rdev_start_nan(rdev
, wdev
, &conf
);
11200 wdev
->is_running
= true;
11206 static int nl80211_stop_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11208 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11209 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11211 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11212 return -EOPNOTSUPP
;
11214 cfg80211_stop_nan(rdev
, wdev
);
11219 static int validate_nan_filter(struct nlattr
*filter_attr
)
11221 struct nlattr
*attr
;
11222 int len
= 0, n_entries
= 0, rem
;
11224 nla_for_each_nested(attr
, filter_attr
, rem
) {
11225 len
+= nla_len(attr
);
11235 static int handle_nan_filter(struct nlattr
*attr_filter
,
11236 struct cfg80211_nan_func
*func
,
11239 struct nlattr
*attr
;
11240 int n_entries
, rem
, i
;
11241 struct cfg80211_nan_func_filter
*filter
;
11243 n_entries
= validate_nan_filter(attr_filter
);
11247 BUILD_BUG_ON(sizeof(*func
->rx_filters
) != sizeof(*func
->tx_filters
));
11249 filter
= kcalloc(n_entries
, sizeof(*func
->rx_filters
), GFP_KERNEL
);
11254 nla_for_each_nested(attr
, attr_filter
, rem
) {
11255 filter
[i
].filter
= nla_memdup(attr
, GFP_KERNEL
);
11256 filter
[i
].len
= nla_len(attr
);
11260 func
->num_tx_filters
= n_entries
;
11261 func
->tx_filters
= filter
;
11263 func
->num_rx_filters
= n_entries
;
11264 func
->rx_filters
= filter
;
11270 static int nl80211_nan_add_func(struct sk_buff
*skb
,
11271 struct genl_info
*info
)
11273 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11274 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11275 struct nlattr
*tb
[NUM_NL80211_NAN_FUNC_ATTR
], *func_attr
;
11276 struct cfg80211_nan_func
*func
;
11277 struct sk_buff
*msg
= NULL
;
11281 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11282 return -EOPNOTSUPP
;
11284 if (!wdev_running(wdev
))
11287 if (!info
->attrs
[NL80211_ATTR_NAN_FUNC
])
11290 err
= nla_parse_nested(tb
, NL80211_NAN_FUNC_ATTR_MAX
,
11291 info
->attrs
[NL80211_ATTR_NAN_FUNC
],
11292 nl80211_nan_func_policy
, info
->extack
);
11296 func
= kzalloc(sizeof(*func
), GFP_KERNEL
);
11300 func
->cookie
= wdev
->wiphy
->cookie_counter
++;
11302 if (!tb
[NL80211_NAN_FUNC_TYPE
] ||
11303 nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]) > NL80211_NAN_FUNC_MAX_TYPE
) {
11309 func
->type
= nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]);
11311 if (!tb
[NL80211_NAN_FUNC_SERVICE_ID
]) {
11316 memcpy(func
->service_id
, nla_data(tb
[NL80211_NAN_FUNC_SERVICE_ID
]),
11317 sizeof(func
->service_id
));
11319 func
->close_range
=
11320 nla_get_flag(tb
[NL80211_NAN_FUNC_CLOSE_RANGE
]);
11322 if (tb
[NL80211_NAN_FUNC_SERVICE_INFO
]) {
11323 func
->serv_spec_info_len
=
11324 nla_len(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]);
11325 func
->serv_spec_info
=
11326 kmemdup(nla_data(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]),
11327 func
->serv_spec_info_len
,
11329 if (!func
->serv_spec_info
) {
11335 if (tb
[NL80211_NAN_FUNC_TTL
])
11336 func
->ttl
= nla_get_u32(tb
[NL80211_NAN_FUNC_TTL
]);
11338 switch (func
->type
) {
11339 case NL80211_NAN_FUNC_PUBLISH
:
11340 if (!tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]) {
11345 func
->publish_type
=
11346 nla_get_u8(tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]);
11347 func
->publish_bcast
=
11348 nla_get_flag(tb
[NL80211_NAN_FUNC_PUBLISH_BCAST
]);
11350 if ((!(func
->publish_type
& NL80211_NAN_SOLICITED_PUBLISH
)) &&
11351 func
->publish_bcast
) {
11356 case NL80211_NAN_FUNC_SUBSCRIBE
:
11357 func
->subscribe_active
=
11358 nla_get_flag(tb
[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
]);
11360 case NL80211_NAN_FUNC_FOLLOW_UP
:
11361 if (!tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
] ||
11362 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]) {
11367 func
->followup_id
=
11368 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
]);
11369 func
->followup_reqid
=
11370 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]);
11371 memcpy(func
->followup_dest
.addr
,
11372 nla_data(tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]),
11373 sizeof(func
->followup_dest
.addr
));
11384 if (tb
[NL80211_NAN_FUNC_SRF
]) {
11385 struct nlattr
*srf_tb
[NUM_NL80211_NAN_SRF_ATTR
];
11387 err
= nla_parse_nested(srf_tb
, NL80211_NAN_SRF_ATTR_MAX
,
11388 tb
[NL80211_NAN_FUNC_SRF
],
11389 nl80211_nan_srf_policy
, info
->extack
);
11393 func
->srf_include
=
11394 nla_get_flag(srf_tb
[NL80211_NAN_SRF_INCLUDE
]);
11396 if (srf_tb
[NL80211_NAN_SRF_BF
]) {
11397 if (srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
] ||
11398 !srf_tb
[NL80211_NAN_SRF_BF_IDX
]) {
11404 nla_len(srf_tb
[NL80211_NAN_SRF_BF
]);
11406 kmemdup(nla_data(srf_tb
[NL80211_NAN_SRF_BF
]),
11407 func
->srf_bf_len
, GFP_KERNEL
);
11408 if (!func
->srf_bf
) {
11414 nla_get_u8(srf_tb
[NL80211_NAN_SRF_BF_IDX
]);
11416 struct nlattr
*attr
, *mac_attr
=
11417 srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
];
11418 int n_entries
, rem
, i
= 0;
11425 n_entries
= validate_acl_mac_addrs(mac_attr
);
11426 if (n_entries
<= 0) {
11431 func
->srf_num_macs
= n_entries
;
11433 kzalloc(sizeof(*func
->srf_macs
) * n_entries
,
11435 if (!func
->srf_macs
) {
11440 nla_for_each_nested(attr
, mac_attr
, rem
)
11441 memcpy(func
->srf_macs
[i
++].addr
, nla_data(attr
),
11442 sizeof(*func
->srf_macs
));
11446 if (tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
]) {
11447 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
],
11453 if (tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
]) {
11454 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
],
11460 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11466 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11467 NL80211_CMD_ADD_NAN_FUNCTION
);
11468 /* This can't really happen - we just allocated 4KB */
11469 if (WARN_ON(!hdr
)) {
11474 err
= rdev_add_nan_func(rdev
, wdev
, func
);
11477 cfg80211_free_nan_func(func
);
11482 /* propagate the instance id and cookie to userspace */
11483 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, func
->cookie
,
11485 goto nla_put_failure
;
11487 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11489 goto nla_put_failure
;
11491 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
,
11492 func
->instance_id
))
11493 goto nla_put_failure
;
11495 nla_nest_end(msg
, func_attr
);
11497 genlmsg_end(msg
, hdr
);
11498 return genlmsg_reply(msg
, info
);
11505 static int nl80211_nan_del_func(struct sk_buff
*skb
,
11506 struct genl_info
*info
)
11508 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11509 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11512 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11513 return -EOPNOTSUPP
;
11515 if (!wdev_running(wdev
))
11518 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
11521 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
11523 rdev_del_nan_func(rdev
, wdev
, cookie
);
11528 static int nl80211_nan_change_config(struct sk_buff
*skb
,
11529 struct genl_info
*info
)
11531 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11532 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11533 struct cfg80211_nan_conf conf
= {};
11536 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11537 return -EOPNOTSUPP
;
11539 if (!wdev_running(wdev
))
11542 if (info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]) {
11544 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11545 if (conf
.master_pref
<= 1 || conf
.master_pref
== 255)
11548 changed
|= CFG80211_NAN_CONF_CHANGED_PREF
;
11551 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11552 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11554 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11555 return -EOPNOTSUPP
;
11557 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11560 conf
.bands
= bands
;
11561 changed
|= CFG80211_NAN_CONF_CHANGED_BANDS
;
11567 return rdev_nan_change_conf(rdev
, wdev
, &conf
, changed
);
11570 void cfg80211_nan_match(struct wireless_dev
*wdev
,
11571 struct cfg80211_nan_match_params
*match
, gfp_t gfp
)
11573 struct wiphy
*wiphy
= wdev
->wiphy
;
11574 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11575 struct nlattr
*match_attr
, *local_func_attr
, *peer_func_attr
;
11576 struct sk_buff
*msg
;
11579 if (WARN_ON(!match
->inst_id
|| !match
->peer_inst_id
|| !match
->addr
))
11582 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11586 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NAN_MATCH
);
11592 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11593 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11594 wdev
->netdev
->ifindex
)) ||
11595 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11597 goto nla_put_failure
;
11599 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, match
->cookie
,
11600 NL80211_ATTR_PAD
) ||
11601 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, match
->addr
))
11602 goto nla_put_failure
;
11604 match_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_MATCH
);
11606 goto nla_put_failure
;
11608 local_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_LOCAL
);
11609 if (!local_func_attr
)
11610 goto nla_put_failure
;
11612 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->inst_id
))
11613 goto nla_put_failure
;
11615 nla_nest_end(msg
, local_func_attr
);
11617 peer_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_PEER
);
11618 if (!peer_func_attr
)
11619 goto nla_put_failure
;
11621 if (nla_put_u8(msg
, NL80211_NAN_FUNC_TYPE
, match
->type
) ||
11622 nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->peer_inst_id
))
11623 goto nla_put_failure
;
11625 if (match
->info
&& match
->info_len
&&
11626 nla_put(msg
, NL80211_NAN_FUNC_SERVICE_INFO
, match
->info_len
,
11628 goto nla_put_failure
;
11630 nla_nest_end(msg
, peer_func_attr
);
11631 nla_nest_end(msg
, match_attr
);
11632 genlmsg_end(msg
, hdr
);
11634 if (!wdev
->owner_nlportid
)
11635 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11636 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11638 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11639 wdev
->owner_nlportid
);
11646 EXPORT_SYMBOL(cfg80211_nan_match
);
11648 void cfg80211_nan_func_terminated(struct wireless_dev
*wdev
,
11650 enum nl80211_nan_func_term_reason reason
,
11651 u64 cookie
, gfp_t gfp
)
11653 struct wiphy
*wiphy
= wdev
->wiphy
;
11654 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11655 struct sk_buff
*msg
;
11656 struct nlattr
*func_attr
;
11659 if (WARN_ON(!inst_id
))
11662 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11666 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION
);
11672 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11673 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11674 wdev
->netdev
->ifindex
)) ||
11675 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11677 goto nla_put_failure
;
11679 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11681 goto nla_put_failure
;
11683 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11685 goto nla_put_failure
;
11687 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, inst_id
) ||
11688 nla_put_u8(msg
, NL80211_NAN_FUNC_TERM_REASON
, reason
))
11689 goto nla_put_failure
;
11691 nla_nest_end(msg
, func_attr
);
11692 genlmsg_end(msg
, hdr
);
11694 if (!wdev
->owner_nlportid
)
11695 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11696 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11698 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11699 wdev
->owner_nlportid
);
11706 EXPORT_SYMBOL(cfg80211_nan_func_terminated
);
11708 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
11709 struct genl_info
*info
)
11712 struct sk_buff
*msg
;
11714 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11718 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11719 NL80211_CMD_GET_PROTOCOL_FEATURES
);
11721 goto nla_put_failure
;
11723 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
11724 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
11725 goto nla_put_failure
;
11727 genlmsg_end(msg
, hdr
);
11728 return genlmsg_reply(msg
, info
);
11735 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
11737 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11738 struct cfg80211_update_ft_ies_params ft_params
;
11739 struct net_device
*dev
= info
->user_ptr
[1];
11741 if (!rdev
->ops
->update_ft_ies
)
11742 return -EOPNOTSUPP
;
11744 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
11745 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
11748 memset(&ft_params
, 0, sizeof(ft_params
));
11749 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
11750 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
11751 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
11753 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
11756 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
11757 struct genl_info
*info
)
11759 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11760 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11761 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
11765 if (!rdev
->ops
->crit_proto_start
)
11766 return -EOPNOTSUPP
;
11768 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
11771 if (rdev
->crit_proto_nlportid
)
11774 /* determine protocol if provided */
11775 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
11776 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
11778 if (proto
>= NUM_NL80211_CRIT_PROTO
)
11781 /* timeout must be provided */
11782 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
11786 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
11788 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
11791 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
11793 rdev
->crit_proto_nlportid
= info
->snd_portid
;
11798 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
11799 struct genl_info
*info
)
11801 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11802 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11804 if (!rdev
->ops
->crit_proto_stop
)
11805 return -EOPNOTSUPP
;
11807 if (rdev
->crit_proto_nlportid
) {
11808 rdev
->crit_proto_nlportid
= 0;
11809 rdev_crit_proto_stop(rdev
, wdev
);
11814 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
11816 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11817 struct wireless_dev
*wdev
=
11818 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
11822 if (!rdev
->wiphy
.vendor_commands
)
11823 return -EOPNOTSUPP
;
11825 if (IS_ERR(wdev
)) {
11826 err
= PTR_ERR(wdev
);
11827 if (err
!= -EINVAL
)
11830 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
11834 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
11835 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
11838 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
11839 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
11840 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
11841 const struct wiphy_vendor_command
*vcmd
;
11845 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
11847 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11850 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11851 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11854 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11858 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11859 if (!wdev_running(wdev
))
11864 return -EOPNOTSUPP
;
11869 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
11870 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11871 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11874 rdev
->cur_cmd_info
= info
;
11875 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
11877 rdev
->cur_cmd_info
= NULL
;
11881 return -EOPNOTSUPP
;
11884 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
11885 struct netlink_callback
*cb
,
11886 struct cfg80211_registered_device
**rdev
,
11887 struct wireless_dev
**wdev
)
11889 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
11895 unsigned int data_len
= 0;
11898 /* subtract the 1 again here */
11899 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
11900 struct wireless_dev
*tmp
;
11904 *rdev
= wiphy_to_rdev(wiphy
);
11908 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
11909 if (tmp
->identifier
== cb
->args
[1] - 1) {
11916 /* keep rtnl locked in successful case */
11920 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, attrbuf
,
11921 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
11925 if (!attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
11926 !attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
])
11929 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11933 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11935 return PTR_ERR(*rdev
);
11937 vid
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_ID
]);
11938 subcmd
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
11940 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
11941 const struct wiphy_vendor_command
*vcmd
;
11943 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
11945 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11949 return -EOPNOTSUPP
;
11956 return -EOPNOTSUPP
;
11958 if (attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
11959 data
= nla_data(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11960 data_len
= nla_len(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11963 /* 0 is the first index - add 1 to parse only once */
11964 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
11965 /* add 1 to know if it was NULL */
11966 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
11967 cb
->args
[2] = vcmd_idx
;
11968 cb
->args
[3] = (unsigned long)data
;
11969 cb
->args
[4] = data_len
;
11971 /* keep rtnl locked in successful case */
11975 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
11976 struct netlink_callback
*cb
)
11978 struct cfg80211_registered_device
*rdev
;
11979 struct wireless_dev
*wdev
;
11980 unsigned int vcmd_idx
;
11981 const struct wiphy_vendor_command
*vcmd
;
11985 struct nlattr
*vendor_data
;
11988 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
11992 vcmd_idx
= cb
->args
[2];
11993 data
= (void *)cb
->args
[3];
11994 data_len
= cb
->args
[4];
11995 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
11997 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11998 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
12003 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
12009 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
12010 if (!wdev_running(wdev
)) {
12018 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
12019 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
12020 NL80211_CMD_VENDOR
);
12024 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12025 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
12027 NL80211_ATTR_PAD
))) {
12028 genlmsg_cancel(skb
, hdr
);
12032 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
12033 if (!vendor_data
) {
12034 genlmsg_cancel(skb
, hdr
);
12038 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
12039 (unsigned long *)&cb
->args
[5]);
12040 nla_nest_end(skb
, vendor_data
);
12042 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
12043 genlmsg_cancel(skb
, hdr
);
12046 genlmsg_cancel(skb
, hdr
);
12050 genlmsg_end(skb
, hdr
);
12059 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
12060 enum nl80211_commands cmd
,
12061 enum nl80211_attrs attr
,
12064 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12066 if (WARN_ON(!rdev
->cur_cmd_info
))
12069 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
12070 rdev
->cur_cmd_info
->snd_portid
,
12071 rdev
->cur_cmd_info
->snd_seq
,
12072 cmd
, attr
, NULL
, GFP_KERNEL
);
12074 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
12076 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
12078 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
12079 void *hdr
= ((void **)skb
->cb
)[1];
12080 struct nlattr
*data
= ((void **)skb
->cb
)[2];
12082 /* clear CB data for netlink core to own from now on */
12083 memset(skb
->cb
, 0, sizeof(skb
->cb
));
12085 if (WARN_ON(!rdev
->cur_cmd_info
)) {
12090 nla_nest_end(skb
, data
);
12091 genlmsg_end(skb
, hdr
);
12092 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
12094 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
12096 static int nl80211_set_qos_map(struct sk_buff
*skb
,
12097 struct genl_info
*info
)
12099 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12100 struct cfg80211_qos_map
*qos_map
= NULL
;
12101 struct net_device
*dev
= info
->user_ptr
[1];
12102 u8
*pos
, len
, num_des
, des_len
, des
;
12105 if (!rdev
->ops
->set_qos_map
)
12106 return -EOPNOTSUPP
;
12108 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
12109 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12110 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12112 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
12113 len
> IEEE80211_QOS_MAP_LEN_MAX
)
12116 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
12120 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
12122 des_len
= num_des
*
12123 sizeof(struct cfg80211_dscp_exception
);
12124 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
12125 qos_map
->num_des
= num_des
;
12126 for (des
= 0; des
< num_des
; des
++) {
12127 if (qos_map
->dscp_exception
[des
].up
> 7) {
12134 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
12137 wdev_lock(dev
->ieee80211_ptr
);
12138 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
12140 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
12141 wdev_unlock(dev
->ieee80211_ptr
);
12147 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12149 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12150 struct net_device
*dev
= info
->user_ptr
[1];
12151 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12154 u16 admitted_time
= 0;
12157 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
12158 return -EOPNOTSUPP
;
12160 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
12161 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
12164 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12165 if (tsid
>= IEEE80211_NUM_TIDS
)
12168 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
12169 if (up
>= IEEE80211_NUM_UPS
)
12172 /* WMM uses TIDs 0-7 even for TSPEC */
12173 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
12174 /* TODO: handle 802.11 TSPEC/admission control
12175 * need more attributes for that (e.g. BA session requirement);
12176 * change the WMM adminssion test above to allow both then
12181 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12183 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
12185 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
12186 if (!admitted_time
)
12191 switch (wdev
->iftype
) {
12192 case NL80211_IFTYPE_STATION
:
12193 case NL80211_IFTYPE_P2P_CLIENT
:
12194 if (wdev
->current_bss
)
12203 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
12210 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12212 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12213 struct net_device
*dev
= info
->user_ptr
[1];
12214 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12219 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
12222 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12223 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12226 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
12232 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
12233 struct genl_info
*info
)
12235 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12236 struct net_device
*dev
= info
->user_ptr
[1];
12237 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12238 struct cfg80211_chan_def chandef
= {};
12243 if (!rdev
->ops
->tdls_channel_switch
||
12244 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12245 return -EOPNOTSUPP
;
12247 switch (dev
->ieee80211_ptr
->iftype
) {
12248 case NL80211_IFTYPE_STATION
:
12249 case NL80211_IFTYPE_P2P_CLIENT
:
12252 return -EOPNOTSUPP
;
12255 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
12256 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
12259 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
12264 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
12265 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
12266 * specification is not defined for them.
12268 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
12269 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
12270 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
12273 /* we will be active on the TDLS link */
12274 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
12278 /* don't allow switching to DFS channels */
12279 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
12282 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12283 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
12286 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
12292 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
12293 struct genl_info
*info
)
12295 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12296 struct net_device
*dev
= info
->user_ptr
[1];
12297 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12300 if (!rdev
->ops
->tdls_channel_switch
||
12301 !rdev
->ops
->tdls_cancel_channel_switch
||
12302 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12303 return -EOPNOTSUPP
;
12305 switch (dev
->ieee80211_ptr
->iftype
) {
12306 case NL80211_IFTYPE_STATION
:
12307 case NL80211_IFTYPE_P2P_CLIENT
:
12310 return -EOPNOTSUPP
;
12313 if (!info
->attrs
[NL80211_ATTR_MAC
])
12316 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12319 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
12325 static int nl80211_set_multicast_to_unicast(struct sk_buff
*skb
,
12326 struct genl_info
*info
)
12328 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12329 struct net_device
*dev
= info
->user_ptr
[1];
12330 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12331 const struct nlattr
*nla
;
12334 if (!rdev
->ops
->set_multicast_to_unicast
)
12335 return -EOPNOTSUPP
;
12337 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12338 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
12339 return -EOPNOTSUPP
;
12341 nla
= info
->attrs
[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
];
12342 enabled
= nla_get_flag(nla
);
12344 return rdev_set_multicast_to_unicast(rdev
, dev
, enabled
);
12347 static int nl80211_set_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12349 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12350 struct net_device
*dev
= info
->user_ptr
[1];
12351 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12352 struct cfg80211_pmk_conf pmk_conf
= {};
12355 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12356 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12357 return -EOPNOTSUPP
;
12359 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12360 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12361 return -EOPNOTSUPP
;
12363 if (!info
->attrs
[NL80211_ATTR_MAC
] || !info
->attrs
[NL80211_ATTR_PMK
])
12367 if (!wdev
->current_bss
) {
12372 pmk_conf
.aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12373 if (memcmp(pmk_conf
.aa
, wdev
->current_bss
->pub
.bssid
, ETH_ALEN
)) {
12378 pmk_conf
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
12379 pmk_conf
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
12380 if (pmk_conf
.pmk_len
!= WLAN_PMK_LEN
&&
12381 pmk_conf
.pmk_len
!= WLAN_PMK_LEN_SUITE_B_192
) {
12386 if (info
->attrs
[NL80211_ATTR_PMKR0_NAME
]) {
12387 int r0_name_len
= nla_len(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12389 if (r0_name_len
!= WLAN_PMK_NAME_LEN
) {
12394 pmk_conf
.pmk_r0_name
=
12395 nla_data(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12398 ret
= rdev_set_pmk(rdev
, dev
, &pmk_conf
);
12404 static int nl80211_del_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12406 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12407 struct net_device
*dev
= info
->user_ptr
[1];
12408 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12412 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12413 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12414 return -EOPNOTSUPP
;
12416 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12417 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12418 return -EOPNOTSUPP
;
12420 if (!info
->attrs
[NL80211_ATTR_MAC
])
12424 aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12425 ret
= rdev_del_pmk(rdev
, dev
, aa
);
12431 #define NL80211_FLAG_NEED_WIPHY 0x01
12432 #define NL80211_FLAG_NEED_NETDEV 0x02
12433 #define NL80211_FLAG_NEED_RTNL 0x04
12434 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
12435 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
12436 NL80211_FLAG_CHECK_NETDEV_UP)
12437 #define NL80211_FLAG_NEED_WDEV 0x10
12438 /* If a netdev is associated, it must be UP, P2P must be started */
12439 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
12440 NL80211_FLAG_CHECK_NETDEV_UP)
12441 #define NL80211_FLAG_CLEAR_SKB 0x20
12443 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12444 struct genl_info
*info
)
12446 struct cfg80211_registered_device
*rdev
;
12447 struct wireless_dev
*wdev
;
12448 struct net_device
*dev
;
12449 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
12454 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
12455 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
12456 if (IS_ERR(rdev
)) {
12459 return PTR_ERR(rdev
);
12461 info
->user_ptr
[0] = rdev
;
12462 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
12463 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12466 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
12468 if (IS_ERR(wdev
)) {
12471 return PTR_ERR(wdev
);
12474 dev
= wdev
->netdev
;
12475 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12477 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
12484 info
->user_ptr
[1] = dev
;
12486 info
->user_ptr
[1] = wdev
;
12489 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
12490 !wdev_running(wdev
)) {
12499 info
->user_ptr
[0] = rdev
;
12505 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12506 struct genl_info
*info
)
12508 if (info
->user_ptr
[1]) {
12509 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12510 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12513 dev_put(wdev
->netdev
);
12515 dev_put(info
->user_ptr
[1]);
12519 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
12522 /* If needed, clear the netlink message payload from the SKB
12523 * as it might contain key data that shouldn't stick around on
12524 * the heap after the SKB is freed. The netlink message header
12525 * is still needed for further processing, so leave it intact.
12527 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
12528 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
12530 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
12534 static const struct genl_ops nl80211_ops
[] = {
12536 .cmd
= NL80211_CMD_GET_WIPHY
,
12537 .doit
= nl80211_get_wiphy
,
12538 .dumpit
= nl80211_dump_wiphy
,
12539 .done
= nl80211_dump_wiphy_done
,
12540 .policy
= nl80211_policy
,
12541 /* can be retrieved by unprivileged users */
12542 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12543 NL80211_FLAG_NEED_RTNL
,
12546 .cmd
= NL80211_CMD_SET_WIPHY
,
12547 .doit
= nl80211_set_wiphy
,
12548 .policy
= nl80211_policy
,
12549 .flags
= GENL_UNS_ADMIN_PERM
,
12550 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12553 .cmd
= NL80211_CMD_GET_INTERFACE
,
12554 .doit
= nl80211_get_interface
,
12555 .dumpit
= nl80211_dump_interface
,
12556 .policy
= nl80211_policy
,
12557 /* can be retrieved by unprivileged users */
12558 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12559 NL80211_FLAG_NEED_RTNL
,
12562 .cmd
= NL80211_CMD_SET_INTERFACE
,
12563 .doit
= nl80211_set_interface
,
12564 .policy
= nl80211_policy
,
12565 .flags
= GENL_UNS_ADMIN_PERM
,
12566 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12567 NL80211_FLAG_NEED_RTNL
,
12570 .cmd
= NL80211_CMD_NEW_INTERFACE
,
12571 .doit
= nl80211_new_interface
,
12572 .policy
= nl80211_policy
,
12573 .flags
= GENL_UNS_ADMIN_PERM
,
12574 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12575 NL80211_FLAG_NEED_RTNL
,
12578 .cmd
= NL80211_CMD_DEL_INTERFACE
,
12579 .doit
= nl80211_del_interface
,
12580 .policy
= nl80211_policy
,
12581 .flags
= GENL_UNS_ADMIN_PERM
,
12582 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12583 NL80211_FLAG_NEED_RTNL
,
12586 .cmd
= NL80211_CMD_GET_KEY
,
12587 .doit
= nl80211_get_key
,
12588 .policy
= nl80211_policy
,
12589 .flags
= GENL_UNS_ADMIN_PERM
,
12590 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12591 NL80211_FLAG_NEED_RTNL
,
12594 .cmd
= NL80211_CMD_SET_KEY
,
12595 .doit
= nl80211_set_key
,
12596 .policy
= nl80211_policy
,
12597 .flags
= GENL_UNS_ADMIN_PERM
,
12598 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12599 NL80211_FLAG_NEED_RTNL
|
12600 NL80211_FLAG_CLEAR_SKB
,
12603 .cmd
= NL80211_CMD_NEW_KEY
,
12604 .doit
= nl80211_new_key
,
12605 .policy
= nl80211_policy
,
12606 .flags
= GENL_UNS_ADMIN_PERM
,
12607 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12608 NL80211_FLAG_NEED_RTNL
|
12609 NL80211_FLAG_CLEAR_SKB
,
12612 .cmd
= NL80211_CMD_DEL_KEY
,
12613 .doit
= nl80211_del_key
,
12614 .policy
= nl80211_policy
,
12615 .flags
= GENL_UNS_ADMIN_PERM
,
12616 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12617 NL80211_FLAG_NEED_RTNL
,
12620 .cmd
= NL80211_CMD_SET_BEACON
,
12621 .policy
= nl80211_policy
,
12622 .flags
= GENL_UNS_ADMIN_PERM
,
12623 .doit
= nl80211_set_beacon
,
12624 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12625 NL80211_FLAG_NEED_RTNL
,
12628 .cmd
= NL80211_CMD_START_AP
,
12629 .policy
= nl80211_policy
,
12630 .flags
= GENL_UNS_ADMIN_PERM
,
12631 .doit
= nl80211_start_ap
,
12632 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12633 NL80211_FLAG_NEED_RTNL
,
12636 .cmd
= NL80211_CMD_STOP_AP
,
12637 .policy
= nl80211_policy
,
12638 .flags
= GENL_UNS_ADMIN_PERM
,
12639 .doit
= nl80211_stop_ap
,
12640 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12641 NL80211_FLAG_NEED_RTNL
,
12644 .cmd
= NL80211_CMD_GET_STATION
,
12645 .doit
= nl80211_get_station
,
12646 .dumpit
= nl80211_dump_station
,
12647 .policy
= nl80211_policy
,
12648 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12649 NL80211_FLAG_NEED_RTNL
,
12652 .cmd
= NL80211_CMD_SET_STATION
,
12653 .doit
= nl80211_set_station
,
12654 .policy
= nl80211_policy
,
12655 .flags
= GENL_UNS_ADMIN_PERM
,
12656 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12657 NL80211_FLAG_NEED_RTNL
,
12660 .cmd
= NL80211_CMD_NEW_STATION
,
12661 .doit
= nl80211_new_station
,
12662 .policy
= nl80211_policy
,
12663 .flags
= GENL_UNS_ADMIN_PERM
,
12664 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12665 NL80211_FLAG_NEED_RTNL
,
12668 .cmd
= NL80211_CMD_DEL_STATION
,
12669 .doit
= nl80211_del_station
,
12670 .policy
= nl80211_policy
,
12671 .flags
= GENL_UNS_ADMIN_PERM
,
12672 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12673 NL80211_FLAG_NEED_RTNL
,
12676 .cmd
= NL80211_CMD_GET_MPATH
,
12677 .doit
= nl80211_get_mpath
,
12678 .dumpit
= nl80211_dump_mpath
,
12679 .policy
= nl80211_policy
,
12680 .flags
= GENL_UNS_ADMIN_PERM
,
12681 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12682 NL80211_FLAG_NEED_RTNL
,
12685 .cmd
= NL80211_CMD_GET_MPP
,
12686 .doit
= nl80211_get_mpp
,
12687 .dumpit
= nl80211_dump_mpp
,
12688 .policy
= nl80211_policy
,
12689 .flags
= GENL_UNS_ADMIN_PERM
,
12690 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12691 NL80211_FLAG_NEED_RTNL
,
12694 .cmd
= NL80211_CMD_SET_MPATH
,
12695 .doit
= nl80211_set_mpath
,
12696 .policy
= nl80211_policy
,
12697 .flags
= GENL_UNS_ADMIN_PERM
,
12698 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12699 NL80211_FLAG_NEED_RTNL
,
12702 .cmd
= NL80211_CMD_NEW_MPATH
,
12703 .doit
= nl80211_new_mpath
,
12704 .policy
= nl80211_policy
,
12705 .flags
= GENL_UNS_ADMIN_PERM
,
12706 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12707 NL80211_FLAG_NEED_RTNL
,
12710 .cmd
= NL80211_CMD_DEL_MPATH
,
12711 .doit
= nl80211_del_mpath
,
12712 .policy
= nl80211_policy
,
12713 .flags
= GENL_UNS_ADMIN_PERM
,
12714 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12715 NL80211_FLAG_NEED_RTNL
,
12718 .cmd
= NL80211_CMD_SET_BSS
,
12719 .doit
= nl80211_set_bss
,
12720 .policy
= nl80211_policy
,
12721 .flags
= GENL_UNS_ADMIN_PERM
,
12722 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12723 NL80211_FLAG_NEED_RTNL
,
12726 .cmd
= NL80211_CMD_GET_REG
,
12727 .doit
= nl80211_get_reg_do
,
12728 .dumpit
= nl80211_get_reg_dump
,
12729 .policy
= nl80211_policy
,
12730 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12731 /* can be retrieved by unprivileged users */
12733 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12735 .cmd
= NL80211_CMD_SET_REG
,
12736 .doit
= nl80211_set_reg
,
12737 .policy
= nl80211_policy
,
12738 .flags
= GENL_ADMIN_PERM
,
12739 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12743 .cmd
= NL80211_CMD_REQ_SET_REG
,
12744 .doit
= nl80211_req_set_reg
,
12745 .policy
= nl80211_policy
,
12746 .flags
= GENL_ADMIN_PERM
,
12749 .cmd
= NL80211_CMD_RELOAD_REGDB
,
12750 .doit
= nl80211_reload_regdb
,
12751 .policy
= nl80211_policy
,
12752 .flags
= GENL_ADMIN_PERM
,
12755 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
12756 .doit
= nl80211_get_mesh_config
,
12757 .policy
= nl80211_policy
,
12758 /* can be retrieved by unprivileged users */
12759 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12760 NL80211_FLAG_NEED_RTNL
,
12763 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
12764 .doit
= nl80211_update_mesh_config
,
12765 .policy
= nl80211_policy
,
12766 .flags
= GENL_UNS_ADMIN_PERM
,
12767 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12768 NL80211_FLAG_NEED_RTNL
,
12771 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
12772 .doit
= nl80211_trigger_scan
,
12773 .policy
= nl80211_policy
,
12774 .flags
= GENL_UNS_ADMIN_PERM
,
12775 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12776 NL80211_FLAG_NEED_RTNL
,
12779 .cmd
= NL80211_CMD_ABORT_SCAN
,
12780 .doit
= nl80211_abort_scan
,
12781 .policy
= nl80211_policy
,
12782 .flags
= GENL_UNS_ADMIN_PERM
,
12783 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12784 NL80211_FLAG_NEED_RTNL
,
12787 .cmd
= NL80211_CMD_GET_SCAN
,
12788 .policy
= nl80211_policy
,
12789 .dumpit
= nl80211_dump_scan
,
12792 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
12793 .doit
= nl80211_start_sched_scan
,
12794 .policy
= nl80211_policy
,
12795 .flags
= GENL_UNS_ADMIN_PERM
,
12796 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12797 NL80211_FLAG_NEED_RTNL
,
12800 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
12801 .doit
= nl80211_stop_sched_scan
,
12802 .policy
= nl80211_policy
,
12803 .flags
= GENL_UNS_ADMIN_PERM
,
12804 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12805 NL80211_FLAG_NEED_RTNL
,
12808 .cmd
= NL80211_CMD_AUTHENTICATE
,
12809 .doit
= nl80211_authenticate
,
12810 .policy
= nl80211_policy
,
12811 .flags
= GENL_UNS_ADMIN_PERM
,
12812 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12813 NL80211_FLAG_NEED_RTNL
|
12814 NL80211_FLAG_CLEAR_SKB
,
12817 .cmd
= NL80211_CMD_ASSOCIATE
,
12818 .doit
= nl80211_associate
,
12819 .policy
= nl80211_policy
,
12820 .flags
= GENL_UNS_ADMIN_PERM
,
12821 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12822 NL80211_FLAG_NEED_RTNL
,
12825 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
12826 .doit
= nl80211_deauthenticate
,
12827 .policy
= nl80211_policy
,
12828 .flags
= GENL_UNS_ADMIN_PERM
,
12829 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12830 NL80211_FLAG_NEED_RTNL
,
12833 .cmd
= NL80211_CMD_DISASSOCIATE
,
12834 .doit
= nl80211_disassociate
,
12835 .policy
= nl80211_policy
,
12836 .flags
= GENL_UNS_ADMIN_PERM
,
12837 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12838 NL80211_FLAG_NEED_RTNL
,
12841 .cmd
= NL80211_CMD_JOIN_IBSS
,
12842 .doit
= nl80211_join_ibss
,
12843 .policy
= nl80211_policy
,
12844 .flags
= GENL_UNS_ADMIN_PERM
,
12845 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12846 NL80211_FLAG_NEED_RTNL
,
12849 .cmd
= NL80211_CMD_LEAVE_IBSS
,
12850 .doit
= nl80211_leave_ibss
,
12851 .policy
= nl80211_policy
,
12852 .flags
= GENL_UNS_ADMIN_PERM
,
12853 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12854 NL80211_FLAG_NEED_RTNL
,
12856 #ifdef CONFIG_NL80211_TESTMODE
12858 .cmd
= NL80211_CMD_TESTMODE
,
12859 .doit
= nl80211_testmode_do
,
12860 .dumpit
= nl80211_testmode_dump
,
12861 .policy
= nl80211_policy
,
12862 .flags
= GENL_UNS_ADMIN_PERM
,
12863 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12864 NL80211_FLAG_NEED_RTNL
,
12868 .cmd
= NL80211_CMD_CONNECT
,
12869 .doit
= nl80211_connect
,
12870 .policy
= nl80211_policy
,
12871 .flags
= GENL_UNS_ADMIN_PERM
,
12872 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12873 NL80211_FLAG_NEED_RTNL
,
12876 .cmd
= NL80211_CMD_UPDATE_CONNECT_PARAMS
,
12877 .doit
= nl80211_update_connect_params
,
12878 .policy
= nl80211_policy
,
12879 .flags
= GENL_ADMIN_PERM
,
12880 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12881 NL80211_FLAG_NEED_RTNL
,
12884 .cmd
= NL80211_CMD_DISCONNECT
,
12885 .doit
= nl80211_disconnect
,
12886 .policy
= nl80211_policy
,
12887 .flags
= GENL_UNS_ADMIN_PERM
,
12888 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12889 NL80211_FLAG_NEED_RTNL
,
12892 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
12893 .doit
= nl80211_wiphy_netns
,
12894 .policy
= nl80211_policy
,
12895 .flags
= GENL_UNS_ADMIN_PERM
,
12896 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12897 NL80211_FLAG_NEED_RTNL
,
12900 .cmd
= NL80211_CMD_GET_SURVEY
,
12901 .policy
= nl80211_policy
,
12902 .dumpit
= nl80211_dump_survey
,
12905 .cmd
= NL80211_CMD_SET_PMKSA
,
12906 .doit
= nl80211_setdel_pmksa
,
12907 .policy
= nl80211_policy
,
12908 .flags
= GENL_UNS_ADMIN_PERM
,
12909 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12910 NL80211_FLAG_NEED_RTNL
,
12913 .cmd
= NL80211_CMD_DEL_PMKSA
,
12914 .doit
= nl80211_setdel_pmksa
,
12915 .policy
= nl80211_policy
,
12916 .flags
= GENL_UNS_ADMIN_PERM
,
12917 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12918 NL80211_FLAG_NEED_RTNL
,
12921 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
12922 .doit
= nl80211_flush_pmksa
,
12923 .policy
= nl80211_policy
,
12924 .flags
= GENL_UNS_ADMIN_PERM
,
12925 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12926 NL80211_FLAG_NEED_RTNL
,
12929 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
12930 .doit
= nl80211_remain_on_channel
,
12931 .policy
= nl80211_policy
,
12932 .flags
= GENL_UNS_ADMIN_PERM
,
12933 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12934 NL80211_FLAG_NEED_RTNL
,
12937 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12938 .doit
= nl80211_cancel_remain_on_channel
,
12939 .policy
= nl80211_policy
,
12940 .flags
= GENL_UNS_ADMIN_PERM
,
12941 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12942 NL80211_FLAG_NEED_RTNL
,
12945 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
12946 .doit
= nl80211_set_tx_bitrate_mask
,
12947 .policy
= nl80211_policy
,
12948 .flags
= GENL_UNS_ADMIN_PERM
,
12949 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12950 NL80211_FLAG_NEED_RTNL
,
12953 .cmd
= NL80211_CMD_REGISTER_FRAME
,
12954 .doit
= nl80211_register_mgmt
,
12955 .policy
= nl80211_policy
,
12956 .flags
= GENL_UNS_ADMIN_PERM
,
12957 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12958 NL80211_FLAG_NEED_RTNL
,
12961 .cmd
= NL80211_CMD_FRAME
,
12962 .doit
= nl80211_tx_mgmt
,
12963 .policy
= nl80211_policy
,
12964 .flags
= GENL_UNS_ADMIN_PERM
,
12965 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12966 NL80211_FLAG_NEED_RTNL
,
12969 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
12970 .doit
= nl80211_tx_mgmt_cancel_wait
,
12971 .policy
= nl80211_policy
,
12972 .flags
= GENL_UNS_ADMIN_PERM
,
12973 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12974 NL80211_FLAG_NEED_RTNL
,
12977 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
12978 .doit
= nl80211_set_power_save
,
12979 .policy
= nl80211_policy
,
12980 .flags
= GENL_UNS_ADMIN_PERM
,
12981 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12982 NL80211_FLAG_NEED_RTNL
,
12985 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
12986 .doit
= nl80211_get_power_save
,
12987 .policy
= nl80211_policy
,
12988 /* can be retrieved by unprivileged users */
12989 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12990 NL80211_FLAG_NEED_RTNL
,
12993 .cmd
= NL80211_CMD_SET_CQM
,
12994 .doit
= nl80211_set_cqm
,
12995 .policy
= nl80211_policy
,
12996 .flags
= GENL_UNS_ADMIN_PERM
,
12997 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12998 NL80211_FLAG_NEED_RTNL
,
13001 .cmd
= NL80211_CMD_SET_CHANNEL
,
13002 .doit
= nl80211_set_channel
,
13003 .policy
= nl80211_policy
,
13004 .flags
= GENL_UNS_ADMIN_PERM
,
13005 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13006 NL80211_FLAG_NEED_RTNL
,
13009 .cmd
= NL80211_CMD_SET_WDS_PEER
,
13010 .doit
= nl80211_set_wds_peer
,
13011 .policy
= nl80211_policy
,
13012 .flags
= GENL_UNS_ADMIN_PERM
,
13013 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13014 NL80211_FLAG_NEED_RTNL
,
13017 .cmd
= NL80211_CMD_JOIN_MESH
,
13018 .doit
= nl80211_join_mesh
,
13019 .policy
= nl80211_policy
,
13020 .flags
= GENL_UNS_ADMIN_PERM
,
13021 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13022 NL80211_FLAG_NEED_RTNL
,
13025 .cmd
= NL80211_CMD_LEAVE_MESH
,
13026 .doit
= nl80211_leave_mesh
,
13027 .policy
= nl80211_policy
,
13028 .flags
= GENL_UNS_ADMIN_PERM
,
13029 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13030 NL80211_FLAG_NEED_RTNL
,
13033 .cmd
= NL80211_CMD_JOIN_OCB
,
13034 .doit
= nl80211_join_ocb
,
13035 .policy
= nl80211_policy
,
13036 .flags
= GENL_UNS_ADMIN_PERM
,
13037 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13038 NL80211_FLAG_NEED_RTNL
,
13041 .cmd
= NL80211_CMD_LEAVE_OCB
,
13042 .doit
= nl80211_leave_ocb
,
13043 .policy
= nl80211_policy
,
13044 .flags
= GENL_UNS_ADMIN_PERM
,
13045 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13046 NL80211_FLAG_NEED_RTNL
,
13050 .cmd
= NL80211_CMD_GET_WOWLAN
,
13051 .doit
= nl80211_get_wowlan
,
13052 .policy
= nl80211_policy
,
13053 /* can be retrieved by unprivileged users */
13054 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13055 NL80211_FLAG_NEED_RTNL
,
13058 .cmd
= NL80211_CMD_SET_WOWLAN
,
13059 .doit
= nl80211_set_wowlan
,
13060 .policy
= nl80211_policy
,
13061 .flags
= GENL_UNS_ADMIN_PERM
,
13062 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13063 NL80211_FLAG_NEED_RTNL
,
13067 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
13068 .doit
= nl80211_set_rekey_data
,
13069 .policy
= nl80211_policy
,
13070 .flags
= GENL_UNS_ADMIN_PERM
,
13071 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13072 NL80211_FLAG_NEED_RTNL
|
13073 NL80211_FLAG_CLEAR_SKB
,
13076 .cmd
= NL80211_CMD_TDLS_MGMT
,
13077 .doit
= nl80211_tdls_mgmt
,
13078 .policy
= nl80211_policy
,
13079 .flags
= GENL_UNS_ADMIN_PERM
,
13080 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13081 NL80211_FLAG_NEED_RTNL
,
13084 .cmd
= NL80211_CMD_TDLS_OPER
,
13085 .doit
= nl80211_tdls_oper
,
13086 .policy
= nl80211_policy
,
13087 .flags
= GENL_UNS_ADMIN_PERM
,
13088 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13089 NL80211_FLAG_NEED_RTNL
,
13092 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
13093 .doit
= nl80211_register_unexpected_frame
,
13094 .policy
= nl80211_policy
,
13095 .flags
= GENL_UNS_ADMIN_PERM
,
13096 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13097 NL80211_FLAG_NEED_RTNL
,
13100 .cmd
= NL80211_CMD_PROBE_CLIENT
,
13101 .doit
= nl80211_probe_client
,
13102 .policy
= nl80211_policy
,
13103 .flags
= GENL_UNS_ADMIN_PERM
,
13104 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13105 NL80211_FLAG_NEED_RTNL
,
13108 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
13109 .doit
= nl80211_register_beacons
,
13110 .policy
= nl80211_policy
,
13111 .flags
= GENL_UNS_ADMIN_PERM
,
13112 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13113 NL80211_FLAG_NEED_RTNL
,
13116 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
13117 .doit
= nl80211_set_noack_map
,
13118 .policy
= nl80211_policy
,
13119 .flags
= GENL_UNS_ADMIN_PERM
,
13120 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13121 NL80211_FLAG_NEED_RTNL
,
13124 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
13125 .doit
= nl80211_start_p2p_device
,
13126 .policy
= nl80211_policy
,
13127 .flags
= GENL_UNS_ADMIN_PERM
,
13128 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13129 NL80211_FLAG_NEED_RTNL
,
13132 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
13133 .doit
= nl80211_stop_p2p_device
,
13134 .policy
= nl80211_policy
,
13135 .flags
= GENL_UNS_ADMIN_PERM
,
13136 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13137 NL80211_FLAG_NEED_RTNL
,
13140 .cmd
= NL80211_CMD_START_NAN
,
13141 .doit
= nl80211_start_nan
,
13142 .policy
= nl80211_policy
,
13143 .flags
= GENL_ADMIN_PERM
,
13144 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13145 NL80211_FLAG_NEED_RTNL
,
13148 .cmd
= NL80211_CMD_STOP_NAN
,
13149 .doit
= nl80211_stop_nan
,
13150 .policy
= nl80211_policy
,
13151 .flags
= GENL_ADMIN_PERM
,
13152 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13153 NL80211_FLAG_NEED_RTNL
,
13156 .cmd
= NL80211_CMD_ADD_NAN_FUNCTION
,
13157 .doit
= nl80211_nan_add_func
,
13158 .policy
= nl80211_policy
,
13159 .flags
= GENL_ADMIN_PERM
,
13160 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13161 NL80211_FLAG_NEED_RTNL
,
13164 .cmd
= NL80211_CMD_DEL_NAN_FUNCTION
,
13165 .doit
= nl80211_nan_del_func
,
13166 .policy
= nl80211_policy
,
13167 .flags
= GENL_ADMIN_PERM
,
13168 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13169 NL80211_FLAG_NEED_RTNL
,
13172 .cmd
= NL80211_CMD_CHANGE_NAN_CONFIG
,
13173 .doit
= nl80211_nan_change_config
,
13174 .policy
= nl80211_policy
,
13175 .flags
= GENL_ADMIN_PERM
,
13176 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13177 NL80211_FLAG_NEED_RTNL
,
13180 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
13181 .doit
= nl80211_set_mcast_rate
,
13182 .policy
= nl80211_policy
,
13183 .flags
= GENL_UNS_ADMIN_PERM
,
13184 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13185 NL80211_FLAG_NEED_RTNL
,
13188 .cmd
= NL80211_CMD_SET_MAC_ACL
,
13189 .doit
= nl80211_set_mac_acl
,
13190 .policy
= nl80211_policy
,
13191 .flags
= GENL_UNS_ADMIN_PERM
,
13192 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13193 NL80211_FLAG_NEED_RTNL
,
13196 .cmd
= NL80211_CMD_RADAR_DETECT
,
13197 .doit
= nl80211_start_radar_detection
,
13198 .policy
= nl80211_policy
,
13199 .flags
= GENL_UNS_ADMIN_PERM
,
13200 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13201 NL80211_FLAG_NEED_RTNL
,
13204 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
13205 .doit
= nl80211_get_protocol_features
,
13206 .policy
= nl80211_policy
,
13209 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
13210 .doit
= nl80211_update_ft_ies
,
13211 .policy
= nl80211_policy
,
13212 .flags
= GENL_UNS_ADMIN_PERM
,
13213 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13214 NL80211_FLAG_NEED_RTNL
,
13217 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
13218 .doit
= nl80211_crit_protocol_start
,
13219 .policy
= nl80211_policy
,
13220 .flags
= GENL_UNS_ADMIN_PERM
,
13221 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13222 NL80211_FLAG_NEED_RTNL
,
13225 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
13226 .doit
= nl80211_crit_protocol_stop
,
13227 .policy
= nl80211_policy
,
13228 .flags
= GENL_UNS_ADMIN_PERM
,
13229 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13230 NL80211_FLAG_NEED_RTNL
,
13233 .cmd
= NL80211_CMD_GET_COALESCE
,
13234 .doit
= nl80211_get_coalesce
,
13235 .policy
= nl80211_policy
,
13236 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13237 NL80211_FLAG_NEED_RTNL
,
13240 .cmd
= NL80211_CMD_SET_COALESCE
,
13241 .doit
= nl80211_set_coalesce
,
13242 .policy
= nl80211_policy
,
13243 .flags
= GENL_UNS_ADMIN_PERM
,
13244 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13245 NL80211_FLAG_NEED_RTNL
,
13248 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
13249 .doit
= nl80211_channel_switch
,
13250 .policy
= nl80211_policy
,
13251 .flags
= GENL_UNS_ADMIN_PERM
,
13252 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13253 NL80211_FLAG_NEED_RTNL
,
13256 .cmd
= NL80211_CMD_VENDOR
,
13257 .doit
= nl80211_vendor_cmd
,
13258 .dumpit
= nl80211_vendor_cmd_dump
,
13259 .policy
= nl80211_policy
,
13260 .flags
= GENL_UNS_ADMIN_PERM
,
13261 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13262 NL80211_FLAG_NEED_RTNL
,
13265 .cmd
= NL80211_CMD_SET_QOS_MAP
,
13266 .doit
= nl80211_set_qos_map
,
13267 .policy
= nl80211_policy
,
13268 .flags
= GENL_UNS_ADMIN_PERM
,
13269 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13270 NL80211_FLAG_NEED_RTNL
,
13273 .cmd
= NL80211_CMD_ADD_TX_TS
,
13274 .doit
= nl80211_add_tx_ts
,
13275 .policy
= nl80211_policy
,
13276 .flags
= GENL_UNS_ADMIN_PERM
,
13277 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13278 NL80211_FLAG_NEED_RTNL
,
13281 .cmd
= NL80211_CMD_DEL_TX_TS
,
13282 .doit
= nl80211_del_tx_ts
,
13283 .policy
= nl80211_policy
,
13284 .flags
= GENL_UNS_ADMIN_PERM
,
13285 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13286 NL80211_FLAG_NEED_RTNL
,
13289 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
13290 .doit
= nl80211_tdls_channel_switch
,
13291 .policy
= nl80211_policy
,
13292 .flags
= GENL_UNS_ADMIN_PERM
,
13293 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13294 NL80211_FLAG_NEED_RTNL
,
13297 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
13298 .doit
= nl80211_tdls_cancel_channel_switch
,
13299 .policy
= nl80211_policy
,
13300 .flags
= GENL_UNS_ADMIN_PERM
,
13301 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13302 NL80211_FLAG_NEED_RTNL
,
13305 .cmd
= NL80211_CMD_SET_MULTICAST_TO_UNICAST
,
13306 .doit
= nl80211_set_multicast_to_unicast
,
13307 .policy
= nl80211_policy
,
13308 .flags
= GENL_UNS_ADMIN_PERM
,
13309 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13310 NL80211_FLAG_NEED_RTNL
,
13313 .cmd
= NL80211_CMD_SET_PMK
,
13314 .doit
= nl80211_set_pmk
,
13315 .policy
= nl80211_policy
,
13316 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13317 NL80211_FLAG_NEED_RTNL
,
13320 .cmd
= NL80211_CMD_DEL_PMK
,
13321 .doit
= nl80211_del_pmk
,
13322 .policy
= nl80211_policy
,
13323 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13324 NL80211_FLAG_NEED_RTNL
,
13329 static struct genl_family nl80211_fam __ro_after_init
= {
13330 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
13331 .hdrsize
= 0, /* no private header */
13332 .version
= 1, /* no particular meaning now */
13333 .maxattr
= NL80211_ATTR_MAX
,
13335 .pre_doit
= nl80211_pre_doit
,
13336 .post_doit
= nl80211_post_doit
,
13337 .module
= THIS_MODULE
,
13338 .ops
= nl80211_ops
,
13339 .n_ops
= ARRAY_SIZE(nl80211_ops
),
13340 .mcgrps
= nl80211_mcgrps
,
13341 .n_mcgrps
= ARRAY_SIZE(nl80211_mcgrps
),
13344 /* notification functions */
13346 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
13347 enum nl80211_commands cmd
)
13349 struct sk_buff
*msg
;
13350 struct nl80211_dump_wiphy_state state
= {};
13352 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
13353 cmd
!= NL80211_CMD_DEL_WIPHY
);
13355 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13359 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
13364 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13365 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13368 void nl80211_notify_iface(struct cfg80211_registered_device
*rdev
,
13369 struct wireless_dev
*wdev
,
13370 enum nl80211_commands cmd
)
13372 struct sk_buff
*msg
;
13374 WARN_ON(cmd
!= NL80211_CMD_NEW_INTERFACE
&&
13375 cmd
!= NL80211_CMD_DEL_INTERFACE
);
13377 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13381 if (nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
,
13382 cmd
== NL80211_CMD_DEL_INTERFACE
) < 0) {
13387 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13388 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13391 static int nl80211_add_scan_req(struct sk_buff
*msg
,
13392 struct cfg80211_registered_device
*rdev
)
13394 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
13395 struct nlattr
*nest
;
13401 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
13403 goto nla_put_failure
;
13404 for (i
= 0; i
< req
->n_ssids
; i
++) {
13405 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
13406 goto nla_put_failure
;
13408 nla_nest_end(msg
, nest
);
13410 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13412 goto nla_put_failure
;
13413 for (i
= 0; i
< req
->n_channels
; i
++) {
13414 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
13415 goto nla_put_failure
;
13417 nla_nest_end(msg
, nest
);
13420 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
13421 goto nla_put_failure
;
13424 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
13425 goto nla_put_failure
;
13427 if (req
->info
.scan_start_tsf
&&
13428 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
13429 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
13430 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
13431 req
->info
.tsf_bssid
)))
13432 goto nla_put_failure
;
13439 static int nl80211_prep_scan_msg(struct sk_buff
*msg
,
13440 struct cfg80211_registered_device
*rdev
,
13441 struct wireless_dev
*wdev
,
13442 u32 portid
, u32 seq
, int flags
,
13447 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
13451 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13452 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13453 wdev
->netdev
->ifindex
)) ||
13454 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13456 goto nla_put_failure
;
13458 /* ignore errors and send incomplete event anyway */
13459 nl80211_add_scan_req(msg
, rdev
);
13461 genlmsg_end(msg
, hdr
);
13465 genlmsg_cancel(msg
, hdr
);
13470 nl80211_prep_sched_scan_msg(struct sk_buff
*msg
,
13471 struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13475 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13479 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
,
13480 wiphy_to_rdev(req
->wiphy
)->wiphy_idx
) ||
13481 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, req
->dev
->ifindex
) ||
13482 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, req
->reqid
,
13484 goto nla_put_failure
;
13486 genlmsg_end(msg
, hdr
);
13490 genlmsg_cancel(msg
, hdr
);
13494 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
13495 struct wireless_dev
*wdev
)
13497 struct sk_buff
*msg
;
13499 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13503 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13504 NL80211_CMD_TRIGGER_SCAN
) < 0) {
13509 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13510 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13513 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
13514 struct wireless_dev
*wdev
, bool aborted
)
13516 struct sk_buff
*msg
;
13518 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13522 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13523 aborted
? NL80211_CMD_SCAN_ABORTED
:
13524 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
13532 /* send message created by nl80211_build_scan_msg() */
13533 void nl80211_send_scan_msg(struct cfg80211_registered_device
*rdev
,
13534 struct sk_buff
*msg
)
13539 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13540 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13543 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13545 struct sk_buff
*msg
;
13547 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13551 if (nl80211_prep_sched_scan_msg(msg
, req
, cmd
) < 0) {
13556 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(req
->wiphy
), msg
, 0,
13557 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13560 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
13561 struct regulatory_request
*request
)
13563 /* Userspace can always count this one always being set */
13564 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
13565 goto nla_put_failure
;
13567 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
13568 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13569 NL80211_REGDOM_TYPE_WORLD
))
13570 goto nla_put_failure
;
13571 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
13572 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13573 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
13574 goto nla_put_failure
;
13575 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
13576 request
->intersect
) {
13577 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13578 NL80211_REGDOM_TYPE_INTERSECTION
))
13579 goto nla_put_failure
;
13581 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13582 NL80211_REGDOM_TYPE_COUNTRY
) ||
13583 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
13585 goto nla_put_failure
;
13588 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
13589 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
13592 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
13593 goto nla_put_failure
;
13596 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
13597 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
13598 goto nla_put_failure
;
13608 * This can happen on global regulatory changes or device specific settings
13609 * based on custom regulatory domains.
13611 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
13612 struct regulatory_request
*request
)
13614 struct sk_buff
*msg
;
13617 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13621 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
13627 if (nl80211_reg_change_event_fill(msg
, request
) == false)
13628 goto nla_put_failure
;
13630 genlmsg_end(msg
, hdr
);
13633 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
13634 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
13640 genlmsg_cancel(msg
, hdr
);
13644 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
13645 struct net_device
*netdev
,
13646 const u8
*buf
, size_t len
,
13647 enum nl80211_commands cmd
, gfp_t gfp
,
13650 struct sk_buff
*msg
;
13653 msg
= nlmsg_new(100 + len
, gfp
);
13657 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13663 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13664 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13665 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
13666 goto nla_put_failure
;
13668 if (uapsd_queues
>= 0) {
13669 struct nlattr
*nla_wmm
=
13670 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
13672 goto nla_put_failure
;
13674 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
13676 goto nla_put_failure
;
13678 nla_nest_end(msg
, nla_wmm
);
13681 genlmsg_end(msg
, hdr
);
13683 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13684 NL80211_MCGRP_MLME
, gfp
);
13688 genlmsg_cancel(msg
, hdr
);
13692 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
13693 struct net_device
*netdev
, const u8
*buf
,
13694 size_t len
, gfp_t gfp
)
13696 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13697 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
13700 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
13701 struct net_device
*netdev
, const u8
*buf
,
13702 size_t len
, gfp_t gfp
, int uapsd_queues
)
13704 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13705 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
13708 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
13709 struct net_device
*netdev
, const u8
*buf
,
13710 size_t len
, gfp_t gfp
)
13712 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13713 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
13716 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
13717 struct net_device
*netdev
, const u8
*buf
,
13718 size_t len
, gfp_t gfp
)
13720 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13721 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
13724 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
13727 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13728 struct wiphy
*wiphy
= wdev
->wiphy
;
13729 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13730 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
13733 if (WARN_ON(len
< 2))
13736 if (ieee80211_is_deauth(mgmt
->frame_control
))
13737 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
13739 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
13741 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
13742 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
13744 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
13746 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
13747 struct net_device
*netdev
, int cmd
,
13748 const u8
*addr
, gfp_t gfp
)
13750 struct sk_buff
*msg
;
13753 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13757 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13763 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13764 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13765 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13766 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
13767 goto nla_put_failure
;
13769 genlmsg_end(msg
, hdr
);
13771 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13772 NL80211_MCGRP_MLME
, gfp
);
13776 genlmsg_cancel(msg
, hdr
);
13780 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
13781 struct net_device
*netdev
, const u8
*addr
,
13784 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
13788 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
13789 struct net_device
*netdev
, const u8
*addr
,
13792 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
13796 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
13797 struct net_device
*netdev
,
13798 struct cfg80211_connect_resp_params
*cr
,
13801 struct sk_buff
*msg
;
13804 msg
= nlmsg_new(100 + cr
->req_ie_len
+ cr
->resp_ie_len
+
13805 cr
->fils_kek_len
+ cr
->pmk_len
+
13806 (cr
->pmkid
? WLAN_PMKID_LEN
: 0), gfp
);
13810 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
13816 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13817 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13819 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, cr
->bssid
)) ||
13820 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
13821 cr
->status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
13824 (nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13825 nla_put_u32(msg
, NL80211_ATTR_TIMEOUT_REASON
,
13826 cr
->timeout_reason
))) ||
13828 nla_put(msg
, NL80211_ATTR_REQ_IE
, cr
->req_ie_len
, cr
->req_ie
)) ||
13830 nla_put(msg
, NL80211_ATTR_RESP_IE
, cr
->resp_ie_len
,
13832 (cr
->update_erp_next_seq_num
&&
13833 nla_put_u16(msg
, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
,
13834 cr
->fils_erp_next_seq_num
)) ||
13835 (cr
->status
== WLAN_STATUS_SUCCESS
&&
13837 nla_put(msg
, NL80211_ATTR_FILS_KEK
, cr
->fils_kek_len
,
13840 nla_put(msg
, NL80211_ATTR_PMK
, cr
->pmk_len
, cr
->pmk
)) ||
13842 nla_put(msg
, NL80211_ATTR_PMKID
, WLAN_PMKID_LEN
, cr
->pmkid
)))))
13843 goto nla_put_failure
;
13845 genlmsg_end(msg
, hdr
);
13847 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13848 NL80211_MCGRP_MLME
, gfp
);
13852 genlmsg_cancel(msg
, hdr
);
13856 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
13857 struct net_device
*netdev
,
13858 struct cfg80211_roam_info
*info
, gfp_t gfp
)
13860 struct sk_buff
*msg
;
13862 const u8
*bssid
= info
->bss
? info
->bss
->bssid
: info
->bssid
;
13864 msg
= nlmsg_new(100 + info
->req_ie_len
+ info
->resp_ie_len
, gfp
);
13868 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
13874 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13875 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13876 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
13878 nla_put(msg
, NL80211_ATTR_REQ_IE
, info
->req_ie_len
,
13881 nla_put(msg
, NL80211_ATTR_RESP_IE
, info
->resp_ie_len
,
13883 goto nla_put_failure
;
13885 genlmsg_end(msg
, hdr
);
13887 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13888 NL80211_MCGRP_MLME
, gfp
);
13892 genlmsg_cancel(msg
, hdr
);
13896 void nl80211_send_port_authorized(struct cfg80211_registered_device
*rdev
,
13897 struct net_device
*netdev
, const u8
*bssid
)
13899 struct sk_buff
*msg
;
13902 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13906 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED
);
13912 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13913 goto nla_put_failure
;
13915 genlmsg_end(msg
, hdr
);
13917 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13918 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13922 genlmsg_cancel(msg
, hdr
);
13926 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
13927 struct net_device
*netdev
, u16 reason
,
13928 const u8
*ie
, size_t ie_len
, bool from_ap
)
13930 struct sk_buff
*msg
;
13933 msg
= nlmsg_new(100 + ie_len
, GFP_KERNEL
);
13937 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
13943 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13944 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13945 (from_ap
&& reason
&&
13946 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
13948 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
13949 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
13950 goto nla_put_failure
;
13952 genlmsg_end(msg
, hdr
);
13954 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13955 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13959 genlmsg_cancel(msg
, hdr
);
13963 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
13964 struct net_device
*netdev
, const u8
*bssid
,
13967 struct sk_buff
*msg
;
13970 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13974 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
13980 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13981 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13982 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13983 goto nla_put_failure
;
13985 genlmsg_end(msg
, hdr
);
13987 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13988 NL80211_MCGRP_MLME
, gfp
);
13992 genlmsg_cancel(msg
, hdr
);
13996 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
13997 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
13999 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14000 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14001 struct sk_buff
*msg
;
14004 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
14007 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
14009 msg
= nlmsg_new(100 + ie_len
, gfp
);
14013 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
14019 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14020 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14021 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14023 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
14024 goto nla_put_failure
;
14026 genlmsg_end(msg
, hdr
);
14028 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14029 NL80211_MCGRP_MLME
, gfp
);
14033 genlmsg_cancel(msg
, hdr
);
14036 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
14038 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
14039 struct net_device
*netdev
, const u8
*addr
,
14040 enum nl80211_key_type key_type
, int key_id
,
14041 const u8
*tsc
, gfp_t gfp
)
14043 struct sk_buff
*msg
;
14046 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14050 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
14056 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14057 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14058 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
14059 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
14061 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
14062 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
14063 goto nla_put_failure
;
14065 genlmsg_end(msg
, hdr
);
14067 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14068 NL80211_MCGRP_MLME
, gfp
);
14072 genlmsg_cancel(msg
, hdr
);
14076 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
14077 struct ieee80211_channel
*channel_before
,
14078 struct ieee80211_channel
*channel_after
)
14080 struct sk_buff
*msg
;
14082 struct nlattr
*nl_freq
;
14084 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
14088 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
14095 * Since we are applying the beacon hint to a wiphy we know its
14096 * wiphy_idx is valid
14098 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
14099 goto nla_put_failure
;
14102 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
14104 goto nla_put_failure
;
14105 if (nl80211_msg_put_channel(msg
, channel_before
, false))
14106 goto nla_put_failure
;
14107 nla_nest_end(msg
, nl_freq
);
14110 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
14112 goto nla_put_failure
;
14113 if (nl80211_msg_put_channel(msg
, channel_after
, false))
14114 goto nla_put_failure
;
14115 nla_nest_end(msg
, nl_freq
);
14117 genlmsg_end(msg
, hdr
);
14120 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
14121 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
14127 genlmsg_cancel(msg
, hdr
);
14131 static void nl80211_send_remain_on_chan_event(
14132 int cmd
, struct cfg80211_registered_device
*rdev
,
14133 struct wireless_dev
*wdev
, u64 cookie
,
14134 struct ieee80211_channel
*chan
,
14135 unsigned int duration
, gfp_t gfp
)
14137 struct sk_buff
*msg
;
14140 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14144 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14150 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14151 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14152 wdev
->netdev
->ifindex
)) ||
14153 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14154 NL80211_ATTR_PAD
) ||
14155 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
14156 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
14157 NL80211_CHAN_NO_HT
) ||
14158 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14160 goto nla_put_failure
;
14162 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
14163 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
14164 goto nla_put_failure
;
14166 genlmsg_end(msg
, hdr
);
14168 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14169 NL80211_MCGRP_MLME
, gfp
);
14173 genlmsg_cancel(msg
, hdr
);
14177 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
14178 struct ieee80211_channel
*chan
,
14179 unsigned int duration
, gfp_t gfp
)
14181 struct wiphy
*wiphy
= wdev
->wiphy
;
14182 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14184 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
14185 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
14186 rdev
, wdev
, cookie
, chan
,
14189 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
14191 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
14192 struct ieee80211_channel
*chan
,
14195 struct wiphy
*wiphy
= wdev
->wiphy
;
14196 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14198 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
14199 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
14200 rdev
, wdev
, cookie
, chan
, 0, gfp
);
14202 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
14204 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
14205 struct station_info
*sinfo
, gfp_t gfp
)
14207 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14208 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14209 struct sk_buff
*msg
;
14211 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
14213 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14217 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
14218 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14223 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14224 NL80211_MCGRP_MLME
, gfp
);
14226 EXPORT_SYMBOL(cfg80211_new_sta
);
14228 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
14229 struct station_info
*sinfo
, gfp_t gfp
)
14231 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14232 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14233 struct sk_buff
*msg
;
14234 struct station_info empty_sinfo
= {};
14237 sinfo
= &empty_sinfo
;
14239 trace_cfg80211_del_sta(dev
, mac_addr
);
14241 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14245 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
14246 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14251 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14252 NL80211_MCGRP_MLME
, gfp
);
14254 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
14256 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
14257 enum nl80211_connect_failed_reason reason
,
14260 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14261 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14262 struct sk_buff
*msg
;
14265 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
14269 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
14275 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14276 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
14277 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
14278 goto nla_put_failure
;
14280 genlmsg_end(msg
, hdr
);
14282 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14283 NL80211_MCGRP_MLME
, gfp
);
14287 genlmsg_cancel(msg
, hdr
);
14290 EXPORT_SYMBOL(cfg80211_conn_failed
);
14292 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
14293 const u8
*addr
, gfp_t gfp
)
14295 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14296 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14297 struct sk_buff
*msg
;
14299 u32 nlportid
= READ_ONCE(wdev
->ap_unexpected_nlportid
);
14304 msg
= nlmsg_new(100, gfp
);
14308 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14314 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14315 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14316 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
14317 goto nla_put_failure
;
14319 genlmsg_end(msg
, hdr
);
14320 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14324 genlmsg_cancel(msg
, hdr
);
14329 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
14330 const u8
*addr
, gfp_t gfp
)
14332 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14335 trace_cfg80211_rx_spurious_frame(dev
, addr
);
14337 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14338 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
14339 trace_cfg80211_return_bool(false);
14342 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
14344 trace_cfg80211_return_bool(ret
);
14347 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
14349 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
14350 const u8
*addr
, gfp_t gfp
)
14352 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14355 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
14357 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14358 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
14359 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
14360 trace_cfg80211_return_bool(false);
14363 ret
= __nl80211_unexpected_frame(dev
,
14364 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
14366 trace_cfg80211_return_bool(ret
);
14369 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
14371 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
14372 struct wireless_dev
*wdev
, u32 nlportid
,
14373 int freq
, int sig_dbm
,
14374 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
14376 struct net_device
*netdev
= wdev
->netdev
;
14377 struct sk_buff
*msg
;
14380 msg
= nlmsg_new(100 + len
, gfp
);
14384 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14390 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14391 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14392 netdev
->ifindex
)) ||
14393 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14394 NL80211_ATTR_PAD
) ||
14395 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
14397 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14398 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14400 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
14401 goto nla_put_failure
;
14403 genlmsg_end(msg
, hdr
);
14405 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14408 genlmsg_cancel(msg
, hdr
);
14413 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
14414 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
14416 struct wiphy
*wiphy
= wdev
->wiphy
;
14417 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14418 struct net_device
*netdev
= wdev
->netdev
;
14419 struct sk_buff
*msg
;
14422 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
14424 msg
= nlmsg_new(100 + len
, gfp
);
14428 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
14434 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14435 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14436 netdev
->ifindex
)) ||
14437 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14438 NL80211_ATTR_PAD
) ||
14439 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14440 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14441 NL80211_ATTR_PAD
) ||
14442 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14443 goto nla_put_failure
;
14445 genlmsg_end(msg
, hdr
);
14447 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14448 NL80211_MCGRP_MLME
, gfp
);
14452 genlmsg_cancel(msg
, hdr
);
14455 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
14457 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
14458 const char *mac
, gfp_t gfp
)
14460 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14461 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14462 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14468 cb
= (void **)msg
->cb
;
14470 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
14476 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14477 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
14478 goto nla_put_failure
;
14480 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
14481 goto nla_put_failure
;
14483 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
14485 goto nla_put_failure
;
14495 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
14497 void **cb
= (void **)msg
->cb
;
14498 struct cfg80211_registered_device
*rdev
= cb
[2];
14500 nla_nest_end(msg
, cb
[1]);
14501 genlmsg_end(msg
, cb
[0]);
14503 memset(msg
->cb
, 0, sizeof(msg
->cb
));
14505 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14506 NL80211_MCGRP_MLME
, gfp
);
14509 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
14510 enum nl80211_cqm_rssi_threshold_event rssi_event
,
14511 s32 rssi_level
, gfp_t gfp
)
14513 struct sk_buff
*msg
;
14514 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14515 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14517 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
, rssi_level
);
14519 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
14520 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
14523 if (wdev
->cqm_config
) {
14524 wdev
->cqm_config
->last_rssi_event_value
= rssi_level
;
14526 cfg80211_cqm_rssi_update(rdev
, dev
);
14528 if (rssi_level
== 0)
14529 rssi_level
= wdev
->cqm_config
->last_rssi_event_value
;
14532 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14536 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
14538 goto nla_put_failure
;
14540 if (rssi_level
&& nla_put_s32(msg
, NL80211_ATTR_CQM_RSSI_LEVEL
,
14542 goto nla_put_failure
;
14544 cfg80211_send_cqm(msg
, gfp
);
14551 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
14553 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
14554 const u8
*peer
, u32 num_packets
,
14555 u32 rate
, u32 intvl
, gfp_t gfp
)
14557 struct sk_buff
*msg
;
14559 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14563 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
14564 goto nla_put_failure
;
14566 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
14567 goto nla_put_failure
;
14569 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
14570 goto nla_put_failure
;
14572 cfg80211_send_cqm(msg
, gfp
);
14578 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
14580 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
14581 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
14583 struct sk_buff
*msg
;
14585 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
14587 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14591 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
14592 goto nla_put_failure
;
14594 cfg80211_send_cqm(msg
, gfp
);
14600 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
14602 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
14604 struct sk_buff
*msg
;
14606 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14610 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
14611 goto nla_put_failure
;
14613 cfg80211_send_cqm(msg
, gfp
);
14619 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
14621 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
14622 struct net_device
*netdev
, const u8
*bssid
,
14623 const u8
*replay_ctr
, gfp_t gfp
)
14625 struct sk_buff
*msg
;
14626 struct nlattr
*rekey_attr
;
14629 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14633 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
14639 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14640 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14641 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
14642 goto nla_put_failure
;
14644 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
14646 goto nla_put_failure
;
14648 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
14649 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
14650 goto nla_put_failure
;
14652 nla_nest_end(msg
, rekey_attr
);
14654 genlmsg_end(msg
, hdr
);
14656 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14657 NL80211_MCGRP_MLME
, gfp
);
14661 genlmsg_cancel(msg
, hdr
);
14665 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
14666 const u8
*replay_ctr
, gfp_t gfp
)
14668 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14669 struct wiphy
*wiphy
= wdev
->wiphy
;
14670 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14672 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
14673 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
14675 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
14678 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
14679 struct net_device
*netdev
, int index
,
14680 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14682 struct sk_buff
*msg
;
14683 struct nlattr
*attr
;
14686 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14690 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
14696 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14697 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14698 goto nla_put_failure
;
14700 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
14702 goto nla_put_failure
;
14704 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
14705 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
14707 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
14708 goto nla_put_failure
;
14710 nla_nest_end(msg
, attr
);
14712 genlmsg_end(msg
, hdr
);
14714 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14715 NL80211_MCGRP_MLME
, gfp
);
14719 genlmsg_cancel(msg
, hdr
);
14723 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
14724 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14726 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14727 struct wiphy
*wiphy
= wdev
->wiphy
;
14728 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14730 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
14731 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
14733 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
14735 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
14736 struct net_device
*netdev
,
14737 struct cfg80211_chan_def
*chandef
,
14739 enum nl80211_commands notif
,
14742 struct sk_buff
*msg
;
14745 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14749 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
14755 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14756 goto nla_put_failure
;
14758 if (nl80211_send_chandef(msg
, chandef
))
14759 goto nla_put_failure
;
14761 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
14762 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
14763 goto nla_put_failure
;
14765 genlmsg_end(msg
, hdr
);
14767 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14768 NL80211_MCGRP_MLME
, gfp
);
14772 genlmsg_cancel(msg
, hdr
);
14776 void cfg80211_ch_switch_notify(struct net_device
*dev
,
14777 struct cfg80211_chan_def
*chandef
)
14779 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14780 struct wiphy
*wiphy
= wdev
->wiphy
;
14781 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14783 ASSERT_WDEV_LOCK(wdev
);
14785 trace_cfg80211_ch_switch_notify(dev
, chandef
);
14787 wdev
->chandef
= *chandef
;
14788 wdev
->preset_chandef
= *chandef
;
14789 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14790 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
14792 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
14794 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
14795 struct cfg80211_chan_def
*chandef
,
14798 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14799 struct wiphy
*wiphy
= wdev
->wiphy
;
14800 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14802 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
14804 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14805 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
14807 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
14810 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
14811 const struct cfg80211_chan_def
*chandef
,
14812 enum nl80211_radar_event event
,
14813 struct net_device
*netdev
, gfp_t gfp
)
14815 struct sk_buff
*msg
;
14818 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14822 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
14828 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
14829 goto nla_put_failure
;
14831 /* NOP and radar events don't need a netdev parameter */
14833 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
14835 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14836 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14838 goto nla_put_failure
;
14841 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
14842 goto nla_put_failure
;
14844 if (nl80211_send_chandef(msg
, chandef
))
14845 goto nla_put_failure
;
14847 genlmsg_end(msg
, hdr
);
14849 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14850 NL80211_MCGRP_MLME
, gfp
);
14854 genlmsg_cancel(msg
, hdr
);
14858 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
14859 u64 cookie
, bool acked
, gfp_t gfp
)
14861 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14862 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14863 struct sk_buff
*msg
;
14866 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
14868 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14873 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
14879 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14880 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14881 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14882 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14883 NL80211_ATTR_PAD
) ||
14884 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14885 goto nla_put_failure
;
14887 genlmsg_end(msg
, hdr
);
14889 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14890 NL80211_MCGRP_MLME
, gfp
);
14894 genlmsg_cancel(msg
, hdr
);
14897 EXPORT_SYMBOL(cfg80211_probe_status
);
14899 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
14900 const u8
*frame
, size_t len
,
14901 int freq
, int sig_dbm
)
14903 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14904 struct sk_buff
*msg
;
14906 struct cfg80211_beacon_registration
*reg
;
14908 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
14910 spin_lock_bh(&rdev
->beacon_registrations_lock
);
14911 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
14912 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
14914 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14918 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14920 goto nla_put_failure
;
14922 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14924 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
14926 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14927 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
14928 goto nla_put_failure
;
14930 genlmsg_end(msg
, hdr
);
14932 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
14934 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14938 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14940 genlmsg_cancel(msg
, hdr
);
14943 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
14946 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
14947 struct cfg80211_wowlan_wakeup
*wakeup
)
14949 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
14950 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
14953 nl_results
= nla_nest_start(
14954 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
14958 for (i
= 0; i
< nd
->n_matches
; i
++) {
14959 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
14961 nl_match
= nla_nest_start(msg
, i
);
14965 /* The SSID attribute is optional in nl80211, but for
14966 * simplicity reasons it's always present in the
14967 * cfg80211 structure. If a driver can't pass the
14968 * SSID, that needs to be changed. A zero length SSID
14969 * is still a valid SSID (wildcard), so it cannot be
14970 * used for this purpose.
14972 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
14973 match
->ssid
.ssid
)) {
14974 nla_nest_cancel(msg
, nl_match
);
14978 if (match
->n_channels
) {
14979 nl_freqs
= nla_nest_start(
14980 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
14982 nla_nest_cancel(msg
, nl_match
);
14986 for (j
= 0; j
< match
->n_channels
; j
++) {
14987 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
14988 nla_nest_cancel(msg
, nl_freqs
);
14989 nla_nest_cancel(msg
, nl_match
);
14994 nla_nest_end(msg
, nl_freqs
);
14997 nla_nest_end(msg
, nl_match
);
15001 nla_nest_end(msg
, nl_results
);
15005 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
15006 struct cfg80211_wowlan_wakeup
*wakeup
,
15009 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15010 struct sk_buff
*msg
;
15014 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
15017 size
+= wakeup
->packet_present_len
;
15019 msg
= nlmsg_new(size
, gfp
);
15023 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
15027 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15028 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15032 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
15033 wdev
->netdev
->ifindex
))
15037 struct nlattr
*reasons
;
15039 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
15043 if (wakeup
->disconnect
&&
15044 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
15046 if (wakeup
->magic_pkt
&&
15047 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
15049 if (wakeup
->gtk_rekey_failure
&&
15050 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
15052 if (wakeup
->eap_identity_req
&&
15053 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
15055 if (wakeup
->four_way_handshake
&&
15056 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
15058 if (wakeup
->rfkill_release
&&
15059 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
15062 if (wakeup
->pattern_idx
>= 0 &&
15063 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
15064 wakeup
->pattern_idx
))
15067 if (wakeup
->tcp_match
&&
15068 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
15071 if (wakeup
->tcp_connlost
&&
15072 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
15075 if (wakeup
->tcp_nomoretokens
&&
15077 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
15080 if (wakeup
->packet
) {
15081 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
15082 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
15084 if (!wakeup
->packet_80211
) {
15086 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
15088 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
15091 if (wakeup
->packet_len
&&
15092 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
15095 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
15100 if (wakeup
->net_detect
&&
15101 cfg80211_net_detect_results(msg
, wakeup
))
15104 nla_nest_end(msg
, reasons
);
15107 genlmsg_end(msg
, hdr
);
15109 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15110 NL80211_MCGRP_MLME
, gfp
);
15116 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
15119 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
15120 enum nl80211_tdls_operation oper
,
15121 u16 reason_code
, gfp_t gfp
)
15123 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15124 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15125 struct sk_buff
*msg
;
15128 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
15131 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15135 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
15141 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15142 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15143 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
15144 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
15145 (reason_code
> 0 &&
15146 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
15147 goto nla_put_failure
;
15149 genlmsg_end(msg
, hdr
);
15151 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15152 NL80211_MCGRP_MLME
, gfp
);
15156 genlmsg_cancel(msg
, hdr
);
15159 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
15161 static int nl80211_netlink_notify(struct notifier_block
* nb
,
15162 unsigned long state
,
15165 struct netlink_notify
*notify
= _notify
;
15166 struct cfg80211_registered_device
*rdev
;
15167 struct wireless_dev
*wdev
;
15168 struct cfg80211_beacon_registration
*reg
, *tmp
;
15170 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
15171 return NOTIFY_DONE
;
15175 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
15176 struct cfg80211_sched_scan_request
*sched_scan_req
;
15178 list_for_each_entry_rcu(sched_scan_req
,
15179 &rdev
->sched_scan_req_list
,
15181 if (sched_scan_req
->owner_nlportid
== notify
->portid
) {
15182 sched_scan_req
->nl_owner_dead
= true;
15183 schedule_work(&rdev
->sched_scan_stop_wk
);
15187 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
15188 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
15190 if (wdev
->owner_nlportid
== notify
->portid
) {
15191 wdev
->nl_owner_dead
= true;
15192 schedule_work(&rdev
->destroy_work
);
15193 } else if (wdev
->conn_owner_nlportid
== notify
->portid
) {
15194 schedule_work(&wdev
->disconnect_wk
);
15198 spin_lock_bh(&rdev
->beacon_registrations_lock
);
15199 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
15201 if (reg
->nlportid
== notify
->portid
) {
15202 list_del(®
->list
);
15207 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
15213 * It is possible that the user space process that is controlling the
15214 * indoor setting disappeared, so notify the regulatory core.
15216 regulatory_netlink_notify(notify
->portid
);
15220 static struct notifier_block nl80211_netlink_notifier
= {
15221 .notifier_call
= nl80211_netlink_notify
,
15224 void cfg80211_ft_event(struct net_device
*netdev
,
15225 struct cfg80211_ft_event_params
*ft_event
)
15227 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
15228 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15229 struct sk_buff
*msg
;
15232 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
15234 if (!ft_event
->target_ap
)
15237 msg
= nlmsg_new(100 + ft_event
->ric_ies_len
, GFP_KERNEL
);
15241 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
15245 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15246 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
15247 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
15250 if (ft_event
->ies
&&
15251 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
15253 if (ft_event
->ric_ies
&&
15254 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
15255 ft_event
->ric_ies
))
15258 genlmsg_end(msg
, hdr
);
15260 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15261 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15266 EXPORT_SYMBOL(cfg80211_ft_event
);
15268 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
15270 struct cfg80211_registered_device
*rdev
;
15271 struct sk_buff
*msg
;
15275 rdev
= wiphy_to_rdev(wdev
->wiphy
);
15276 if (!rdev
->crit_proto_nlportid
)
15279 nlportid
= rdev
->crit_proto_nlportid
;
15280 rdev
->crit_proto_nlportid
= 0;
15282 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15286 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
15288 goto nla_put_failure
;
15290 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15291 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15293 goto nla_put_failure
;
15295 genlmsg_end(msg
, hdr
);
15297 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
15302 genlmsg_cancel(msg
, hdr
);
15305 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
15307 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
15309 struct wiphy
*wiphy
= wdev
->wiphy
;
15310 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15311 struct sk_buff
*msg
;
15314 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
15318 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
15322 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15323 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
15324 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15328 genlmsg_end(msg
, hdr
);
15330 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
15331 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15337 /* initialisation/exit functions */
15339 int __init
nl80211_init(void)
15343 err
= genl_register_family(&nl80211_fam
);
15347 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
15353 genl_unregister_family(&nl80211_fam
);
15357 void nl80211_exit(void)
15359 netlink_unregister_notifier(&nl80211_netlink_notifier
);
15360 genl_unregister_family(&nl80211_fam
);