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_locked
;
2615 case NL80211_IFTYPE_STATION
:
2616 case NL80211_IFTYPE_P2P_CLIENT
:
2617 case NL80211_IFTYPE_ADHOC
: {
2619 if (!wdev
->current_bss
)
2622 ssid_ie
= ieee80211_bss_get_ie(&wdev
->current_bss
->pub
,
2625 nla_put(msg
, NL80211_ATTR_SSID
, ssid_ie
[1], ssid_ie
+ 2))
2626 goto nla_put_failure_rcu_locked
;
2636 genlmsg_end(msg
, hdr
);
2639 nla_put_failure_rcu_locked
:
2641 nla_put_failure_locked
:
2644 genlmsg_cancel(msg
, hdr
);
2648 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2652 int wp_start
= cb
->args
[0];
2653 int if_start
= cb
->args
[1];
2654 int filter_wiphy
= -1;
2655 struct cfg80211_registered_device
*rdev
;
2656 struct wireless_dev
*wdev
;
2661 struct nl80211_dump_wiphy_state state
= {
2665 ret
= nl80211_dump_wiphy_parse(skb
, cb
, &state
);
2669 filter_wiphy
= state
.filter_wiphy
;
2672 * if filtering, set cb->args[2] to +1 since 0 is the default
2673 * value needed to determine that parsing is necessary.
2675 if (filter_wiphy
>= 0)
2676 cb
->args
[2] = filter_wiphy
+ 1;
2679 } else if (cb
->args
[2] > 0) {
2680 filter_wiphy
= cb
->args
[2] - 1;
2683 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2684 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2686 if (wp_idx
< wp_start
) {
2691 if (filter_wiphy
>= 0 && filter_wiphy
!= rdev
->wiphy_idx
)
2696 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
2697 if (if_idx
< if_start
) {
2701 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2702 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2703 rdev
, wdev
, false) < 0) {
2712 cb
->args
[0] = wp_idx
;
2713 cb
->args
[1] = if_idx
;
2722 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2724 struct sk_buff
*msg
;
2725 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2726 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2728 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2732 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2733 rdev
, wdev
, false) < 0) {
2738 return genlmsg_reply(msg
, info
);
2741 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2742 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2743 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2744 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2745 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2746 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2747 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2750 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2752 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2760 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
, nla
,
2761 mntr_flags_policy
, NULL
))
2764 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2766 *mntrflags
|= (1<<flag
);
2768 *mntrflags
|= MONITOR_FLAG_CHANGED
;
2773 static int nl80211_parse_mon_options(struct cfg80211_registered_device
*rdev
,
2774 enum nl80211_iftype type
,
2775 struct genl_info
*info
,
2776 struct vif_params
*params
)
2778 bool change
= false;
2781 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2782 if (type
!= NL80211_IFTYPE_MONITOR
)
2785 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2793 if (params
->flags
& MONITOR_FLAG_ACTIVE
&&
2794 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2797 if (info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]) {
2798 const u8
*mumimo_groups
;
2799 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2801 if (type
!= NL80211_IFTYPE_MONITOR
)
2804 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2808 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]);
2810 /* bits 0 and 63 are reserved and must be zero */
2811 if ((mumimo_groups
[0] & BIT(0)) ||
2812 (mumimo_groups
[VHT_MUMIMO_GROUPS_DATA_LEN
- 1] & BIT(7)))
2815 params
->vht_mumimo_groups
= mumimo_groups
;
2819 if (info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]) {
2820 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2822 if (type
!= NL80211_IFTYPE_MONITOR
)
2825 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2828 params
->vht_mumimo_follow_addr
=
2829 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]);
2833 return change
? 1 : 0;
2836 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2837 struct net_device
*netdev
, u8 use_4addr
,
2838 enum nl80211_iftype iftype
)
2841 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2847 case NL80211_IFTYPE_AP_VLAN
:
2848 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2851 case NL80211_IFTYPE_STATION
:
2852 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2862 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2864 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2865 struct vif_params params
;
2867 enum nl80211_iftype otype
, ntype
;
2868 struct net_device
*dev
= info
->user_ptr
[1];
2869 bool change
= false;
2871 memset(¶ms
, 0, sizeof(params
));
2873 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2875 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2876 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2879 if (ntype
> NL80211_IFTYPE_MAX
)
2883 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2884 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2886 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2888 if (netif_running(dev
))
2892 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2893 IEEE80211_MAX_MESH_ID_LEN
);
2894 wdev
->mesh_id_up_len
=
2895 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2896 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2897 wdev
->mesh_id_up_len
);
2901 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2902 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2904 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2908 params
.use_4addr
= -1;
2911 err
= nl80211_parse_mon_options(rdev
, ntype
, info
, ¶ms
);
2918 err
= cfg80211_change_iface(rdev
, dev
, ntype
, ¶ms
);
2922 if (!err
&& params
.use_4addr
!= -1)
2923 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2928 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2930 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2931 struct vif_params params
;
2932 struct wireless_dev
*wdev
;
2933 struct sk_buff
*msg
;
2935 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2937 /* to avoid failing a new interface creation due to pending removal */
2938 cfg80211_destroy_ifaces(rdev
);
2940 memset(¶ms
, 0, sizeof(params
));
2942 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2945 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2946 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2947 if (type
> NL80211_IFTYPE_MAX
)
2951 if (!rdev
->ops
->add_virtual_intf
||
2952 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2955 if ((type
== NL80211_IFTYPE_P2P_DEVICE
|| type
== NL80211_IFTYPE_NAN
||
2956 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2957 info
->attrs
[NL80211_ATTR_MAC
]) {
2958 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2960 if (!is_valid_ether_addr(params
.macaddr
))
2961 return -EADDRNOTAVAIL
;
2964 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2965 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2966 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2971 err
= nl80211_parse_mon_options(rdev
, type
, info
, ¶ms
);
2975 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2979 wdev
= rdev_add_virtual_intf(rdev
,
2980 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2981 NET_NAME_USER
, type
, ¶ms
);
2982 if (WARN_ON(!wdev
)) {
2985 } else if (IS_ERR(wdev
)) {
2987 return PTR_ERR(wdev
);
2990 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2991 wdev
->owner_nlportid
= info
->snd_portid
;
2994 case NL80211_IFTYPE_MESH_POINT
:
2995 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2998 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2999 IEEE80211_MAX_MESH_ID_LEN
);
3000 wdev
->mesh_id_up_len
=
3001 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
3002 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
3003 wdev
->mesh_id_up_len
);
3006 case NL80211_IFTYPE_NAN
:
3007 case NL80211_IFTYPE_P2P_DEVICE
:
3009 * P2P Device and NAN do not have a netdev, so don't go
3010 * through the netdev notifier and must be added here
3012 mutex_init(&wdev
->mtx
);
3013 INIT_LIST_HEAD(&wdev
->event_list
);
3014 spin_lock_init(&wdev
->event_lock
);
3015 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
3016 spin_lock_init(&wdev
->mgmt_registrations_lock
);
3018 wdev
->identifier
= ++rdev
->wdev_id
;
3019 list_add_rcu(&wdev
->list
, &rdev
->wiphy
.wdev_list
);
3020 rdev
->devlist_generation
++;
3026 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3027 rdev
, wdev
, false) < 0) {
3033 * For wdevs which have no associated netdev object (e.g. of type
3034 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
3035 * For all other types, the event will be generated from the
3039 nl80211_notify_iface(rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
);
3041 return genlmsg_reply(msg
, info
);
3044 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3046 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3047 struct wireless_dev
*wdev
= info
->user_ptr
[1];
3049 if (!rdev
->ops
->del_virtual_intf
)
3053 * If we remove a wireless device without a netdev then clear
3054 * user_ptr[1] so that nl80211_post_doit won't dereference it
3055 * to check if it needs to do dev_put(). Otherwise it crashes
3056 * since the wdev has been freed, unlike with a netdev where
3057 * we need the dev_put() for the netdev to really be freed.
3060 info
->user_ptr
[1] = NULL
;
3062 return rdev_del_virtual_intf(rdev
, wdev
);
3065 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
3067 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3068 struct net_device
*dev
= info
->user_ptr
[1];
3071 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
3074 if (!rdev
->ops
->set_noack_map
)
3077 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
3079 return rdev_set_noack_map(rdev
, dev
, noack_map
);
3082 struct get_key_cookie
{
3083 struct sk_buff
*msg
;
3088 static void get_key_callback(void *c
, struct key_params
*params
)
3091 struct get_key_cookie
*cookie
= c
;
3094 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
3095 params
->key_len
, params
->key
)) ||
3097 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
3098 params
->seq_len
, params
->seq
)) ||
3100 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
3102 goto nla_put_failure
;
3104 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
3106 goto nla_put_failure
;
3109 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
3110 params
->key_len
, params
->key
)) ||
3112 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
3113 params
->seq_len
, params
->seq
)) ||
3115 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
3117 goto nla_put_failure
;
3119 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
3120 goto nla_put_failure
;
3122 nla_nest_end(cookie
->msg
, key
);
3129 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
3131 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3133 struct net_device
*dev
= info
->user_ptr
[1];
3135 const u8
*mac_addr
= NULL
;
3137 struct get_key_cookie cookie
= {
3141 struct sk_buff
*msg
;
3143 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
3144 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
3149 if (info
->attrs
[NL80211_ATTR_MAC
])
3150 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3152 pairwise
= !!mac_addr
;
3153 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
3154 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
3156 if (kt
>= NUM_NL80211_KEYTYPES
)
3158 if (kt
!= NL80211_KEYTYPE_GROUP
&&
3159 kt
!= NL80211_KEYTYPE_PAIRWISE
)
3161 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
3164 if (!rdev
->ops
->get_key
)
3167 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3170 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3174 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3175 NL80211_CMD_NEW_KEY
);
3177 goto nla_put_failure
;
3180 cookie
.idx
= key_idx
;
3182 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3183 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3184 goto nla_put_failure
;
3186 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3187 goto nla_put_failure
;
3189 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3196 goto nla_put_failure
;
3198 genlmsg_end(msg
, hdr
);
3199 return genlmsg_reply(msg
, info
);
3208 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3210 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3211 struct key_parse key
;
3213 struct net_device
*dev
= info
->user_ptr
[1];
3215 err
= nl80211_parse_key(info
, &key
);
3222 /* only support setting default key */
3223 if (!key
.def
&& !key
.defmgmt
)
3226 wdev_lock(dev
->ieee80211_ptr
);
3229 if (!rdev
->ops
->set_default_key
) {
3234 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3238 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3239 key
.def_uni
, key
.def_multi
);
3244 #ifdef CONFIG_CFG80211_WEXT
3245 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3248 if (key
.def_uni
|| !key
.def_multi
) {
3253 if (!rdev
->ops
->set_default_mgmt_key
) {
3258 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3262 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3266 #ifdef CONFIG_CFG80211_WEXT
3267 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3272 wdev_unlock(dev
->ieee80211_ptr
);
3277 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3279 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3281 struct net_device
*dev
= info
->user_ptr
[1];
3282 struct key_parse key
;
3283 const u8
*mac_addr
= NULL
;
3285 err
= nl80211_parse_key(info
, &key
);
3292 if (info
->attrs
[NL80211_ATTR_MAC
])
3293 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3295 if (key
.type
== -1) {
3297 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3299 key
.type
= NL80211_KEYTYPE_GROUP
;
3303 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3304 key
.type
!= NL80211_KEYTYPE_GROUP
)
3307 if (!rdev
->ops
->add_key
)
3310 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3311 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3315 wdev_lock(dev
->ieee80211_ptr
);
3316 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3318 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3319 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3321 wdev_unlock(dev
->ieee80211_ptr
);
3326 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3328 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3330 struct net_device
*dev
= info
->user_ptr
[1];
3331 u8
*mac_addr
= NULL
;
3332 struct key_parse key
;
3334 err
= nl80211_parse_key(info
, &key
);
3338 if (info
->attrs
[NL80211_ATTR_MAC
])
3339 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3341 if (key
.type
== -1) {
3343 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3345 key
.type
= NL80211_KEYTYPE_GROUP
;
3349 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3350 key
.type
!= NL80211_KEYTYPE_GROUP
)
3353 if (!rdev
->ops
->del_key
)
3356 wdev_lock(dev
->ieee80211_ptr
);
3357 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3359 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3360 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3364 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3365 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3368 #ifdef CONFIG_CFG80211_WEXT
3370 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3371 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3372 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3373 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3376 wdev_unlock(dev
->ieee80211_ptr
);
3381 /* This function returns an error or the number of nested attributes */
3382 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3384 struct nlattr
*attr
;
3385 int n_entries
= 0, tmp
;
3387 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3388 if (nla_len(attr
) != ETH_ALEN
)
3398 * This function parses ACL information and allocates memory for ACL data.
3399 * On successful return, the calling function is responsible to free the
3400 * ACL buffer returned by this function.
3402 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3403 struct genl_info
*info
)
3405 enum nl80211_acl_policy acl_policy
;
3406 struct nlattr
*attr
;
3407 struct cfg80211_acl_data
*acl
;
3408 int i
= 0, n_entries
, tmp
;
3410 if (!wiphy
->max_acl_mac_addrs
)
3411 return ERR_PTR(-EOPNOTSUPP
);
3413 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3414 return ERR_PTR(-EINVAL
);
3416 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3417 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3418 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3419 return ERR_PTR(-EINVAL
);
3421 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3422 return ERR_PTR(-EINVAL
);
3424 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3426 return ERR_PTR(n_entries
);
3428 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3429 return ERR_PTR(-ENOTSUPP
);
3431 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3434 return ERR_PTR(-ENOMEM
);
3436 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3437 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3441 acl
->n_acl_entries
= n_entries
;
3442 acl
->acl_policy
= acl_policy
;
3447 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3449 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3450 struct net_device
*dev
= info
->user_ptr
[1];
3451 struct cfg80211_acl_data
*acl
;
3454 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3455 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3458 if (!dev
->ieee80211_ptr
->beacon_interval
)
3461 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3463 return PTR_ERR(acl
);
3465 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3472 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
3473 u8
*rates
, u8 rates_len
)
3478 for (i
= 0; i
< rates_len
; i
++) {
3479 int rate
= (rates
[i
] & 0x7f) * 5;
3482 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
3483 struct ieee80211_rate
*srate
=
3484 &sband
->bitrates
[ridx
];
3485 if (rate
== srate
->bitrate
) {
3490 if (ridx
== sband
->n_bitrates
)
3491 return 0; /* rate not found */
3497 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
3498 u8
*rates
, u8 rates_len
,
3499 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
3503 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3505 for (i
= 0; i
< rates_len
; i
++) {
3508 ridx
= rates
[i
] / 8;
3509 rbit
= BIT(rates
[i
] % 8);
3511 /* check validity */
3512 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
3515 /* check availability */
3516 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
3525 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
3529 switch (vht_mcs_map
) {
3530 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
3532 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
3535 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
3538 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
3548 static void vht_build_mcs_mask(u16 vht_mcs_map
,
3549 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
3553 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
3554 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
3559 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
3560 struct nl80211_txrate_vht
*txrate
,
3561 u16 mcs
[NL80211_VHT_NSS_MAX
])
3563 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3564 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
3567 if (!sband
->vht_cap
.vht_supported
)
3570 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
3572 /* Build vht_mcs_mask from VHT capabilities */
3573 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
3575 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3576 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
3577 mcs
[i
] = txrate
->mcs
[i
];
3585 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
3586 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
3587 .len
= NL80211_MAX_SUPP_RATES
},
3588 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
3589 .len
= NL80211_MAX_SUPP_HT_RATES
},
3590 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
3591 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
3594 static int nl80211_parse_tx_bitrate_mask(struct genl_info
*info
,
3595 struct cfg80211_bitrate_mask
*mask
)
3597 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
3598 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3600 struct nlattr
*tx_rates
;
3601 struct ieee80211_supported_band
*sband
;
3604 memset(mask
, 0, sizeof(*mask
));
3605 /* Default to all rates enabled */
3606 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
3607 sband
= rdev
->wiphy
.bands
[i
];
3612 mask
->control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
3613 memcpy(mask
->control
[i
].ht_mcs
,
3614 sband
->ht_cap
.mcs
.rx_mask
,
3615 sizeof(mask
->control
[i
].ht_mcs
));
3617 if (!sband
->vht_cap
.vht_supported
)
3620 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3621 vht_build_mcs_mask(vht_tx_mcs_map
, mask
->control
[i
].vht_mcs
);
3624 /* if no rates are given set it back to the defaults */
3625 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
3628 /* The nested attribute uses enum nl80211_band as the index. This maps
3629 * directly to the enum nl80211_band values used in cfg80211.
3631 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
3632 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
3633 enum nl80211_band band
= nla_type(tx_rates
);
3636 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
3638 sband
= rdev
->wiphy
.bands
[band
];
3641 err
= nla_parse_nested(tb
, NL80211_TXRATE_MAX
, tx_rates
,
3642 nl80211_txattr_policy
, info
->extack
);
3645 if (tb
[NL80211_TXRATE_LEGACY
]) {
3646 mask
->control
[band
].legacy
= rateset_to_mask(
3648 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
3649 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
3650 if ((mask
->control
[band
].legacy
== 0) &&
3651 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
3654 if (tb
[NL80211_TXRATE_HT
]) {
3655 if (!ht_rateset_to_mask(
3657 nla_data(tb
[NL80211_TXRATE_HT
]),
3658 nla_len(tb
[NL80211_TXRATE_HT
]),
3659 mask
->control
[band
].ht_mcs
))
3662 if (tb
[NL80211_TXRATE_VHT
]) {
3663 if (!vht_set_mcs_mask(
3665 nla_data(tb
[NL80211_TXRATE_VHT
]),
3666 mask
->control
[band
].vht_mcs
))
3669 if (tb
[NL80211_TXRATE_GI
]) {
3670 mask
->control
[band
].gi
=
3671 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
3672 if (mask
->control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
3676 if (mask
->control
[band
].legacy
== 0) {
3677 /* don't allow empty legacy rates if HT or VHT
3678 * are not even supported.
3680 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
3681 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
3684 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
3685 if (mask
->control
[band
].ht_mcs
[i
])
3688 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
3689 if (mask
->control
[band
].vht_mcs
[i
])
3692 /* legacy and mcs rates may not be both empty */
3701 static int validate_beacon_tx_rate(struct cfg80211_registered_device
*rdev
,
3702 enum nl80211_band band
,
3703 struct cfg80211_bitrate_mask
*beacon_rate
)
3705 u32 count_ht
, count_vht
, i
;
3706 u32 rate
= beacon_rate
->control
[band
].legacy
;
3708 /* Allow only one rate */
3709 if (hweight32(rate
) > 1)
3713 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
3714 if (hweight8(beacon_rate
->control
[band
].ht_mcs
[i
]) > 1) {
3716 } else if (beacon_rate
->control
[band
].ht_mcs
[i
]) {
3721 if (count_ht
&& rate
)
3726 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3727 if (hweight16(beacon_rate
->control
[band
].vht_mcs
[i
]) > 1) {
3729 } else if (beacon_rate
->control
[band
].vht_mcs
[i
]) {
3734 if (count_vht
&& rate
)
3738 if ((count_ht
&& count_vht
) || (!rate
&& !count_ht
&& !count_vht
))
3742 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3743 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY
))
3746 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3747 NL80211_EXT_FEATURE_BEACON_RATE_HT
))
3750 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3751 NL80211_EXT_FEATURE_BEACON_RATE_VHT
))
3757 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3758 struct cfg80211_beacon_data
*bcn
)
3760 bool haveinfo
= false;
3762 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3763 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3764 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3765 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3768 memset(bcn
, 0, sizeof(*bcn
));
3770 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3771 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3772 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3778 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3779 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3780 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3787 if (attrs
[NL80211_ATTR_IE
]) {
3788 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3789 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3792 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3793 bcn
->proberesp_ies
=
3794 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3795 bcn
->proberesp_ies_len
=
3796 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3799 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3800 bcn
->assocresp_ies
=
3801 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3802 bcn
->assocresp_ies_len
=
3803 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3806 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3807 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3808 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3814 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings
*params
,
3822 for (i
= 0; i
< rates
[1]; i
++) {
3823 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_HT_PHY
)
3824 params
->ht_required
= true;
3825 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY
)
3826 params
->vht_required
= true;
3831 * Since the nl80211 API didn't include, from the beginning, attributes about
3832 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
3833 * benefit of drivers that rebuild IEs in the firmware.
3835 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings
*params
)
3837 const struct cfg80211_beacon_data
*bcn
= ¶ms
->beacon
;
3838 size_t ies_len
= bcn
->tail_len
;
3839 const u8
*ies
= bcn
->tail
;
3843 rates
= cfg80211_find_ie(WLAN_EID_SUPP_RATES
, ies
, ies_len
);
3844 nl80211_check_ap_rate_selectors(params
, rates
);
3846 rates
= cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES
, ies
, ies_len
);
3847 nl80211_check_ap_rate_selectors(params
, rates
);
3849 cap
= cfg80211_find_ie(WLAN_EID_HT_CAPABILITY
, ies
, ies_len
);
3850 if (cap
&& cap
[1] >= sizeof(*params
->ht_cap
))
3851 params
->ht_cap
= (void *)(cap
+ 2);
3852 cap
= cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY
, ies
, ies_len
);
3853 if (cap
&& cap
[1] >= sizeof(*params
->vht_cap
))
3854 params
->vht_cap
= (void *)(cap
+ 2);
3857 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3858 struct cfg80211_ap_settings
*params
)
3860 struct wireless_dev
*wdev
;
3863 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3864 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3865 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3868 if (!wdev
->preset_chandef
.chan
)
3871 params
->chandef
= wdev
->preset_chandef
;
3879 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3880 enum nl80211_auth_type auth_type
,
3881 enum nl80211_commands cmd
)
3883 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3887 case NL80211_CMD_AUTHENTICATE
:
3888 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3889 auth_type
== NL80211_AUTHTYPE_SAE
)
3891 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
3892 NL80211_EXT_FEATURE_FILS_STA
) &&
3893 (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3894 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3895 auth_type
== NL80211_AUTHTYPE_FILS_PK
))
3898 case NL80211_CMD_CONNECT
:
3899 /* SAE not supported yet */
3900 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3902 /* FILS with SK PFS or PK not supported yet */
3903 if (auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3904 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3906 if (!wiphy_ext_feature_isset(
3908 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
3909 auth_type
== NL80211_AUTHTYPE_FILS_SK
)
3912 case NL80211_CMD_START_AP
:
3913 /* SAE not supported yet */
3914 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3916 /* FILS not supported yet */
3917 if (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3918 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3919 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3927 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3929 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3930 struct net_device
*dev
= info
->user_ptr
[1];
3931 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3932 struct cfg80211_ap_settings params
;
3935 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3936 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3939 if (!rdev
->ops
->start_ap
)
3942 if (wdev
->beacon_interval
)
3945 memset(¶ms
, 0, sizeof(params
));
3947 /* these are required for START_AP */
3948 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3949 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3950 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3953 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3957 params
.beacon_interval
=
3958 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3959 params
.dtim_period
=
3960 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3962 err
= cfg80211_validate_beacon_int(rdev
, dev
->ieee80211_ptr
->iftype
,
3963 params
.beacon_interval
);
3968 * In theory, some of these attributes should be required here
3969 * but since they were not used when the command was originally
3970 * added, keep them optional for old user space programs to let
3971 * them continue to work with drivers that do not need the
3972 * additional information -- drivers must check!
3974 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3975 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3977 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3978 if (params
.ssid_len
== 0 ||
3979 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3983 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3984 params
.hidden_ssid
= nla_get_u32(
3985 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3986 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3987 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3988 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3992 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3994 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3995 params
.auth_type
= nla_get_u32(
3996 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3997 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3998 NL80211_CMD_START_AP
))
4001 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
4003 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
4004 NL80211_MAX_NR_CIPHER_SUITES
);
4008 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
4009 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
4011 params
.inactivity_timeout
= nla_get_u16(
4012 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
4015 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4016 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4018 params
.p2p_ctwindow
=
4019 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4020 if (params
.p2p_ctwindow
> 127)
4022 if (params
.p2p_ctwindow
!= 0 &&
4023 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4027 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4030 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4032 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4035 params
.p2p_opp_ps
= tmp
;
4036 if (params
.p2p_opp_ps
!= 0 &&
4037 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4041 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4042 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
4045 } else if (wdev
->preset_chandef
.chan
) {
4046 params
.chandef
= wdev
->preset_chandef
;
4047 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
4050 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
4054 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
4055 err
= nl80211_parse_tx_bitrate_mask(info
, ¶ms
.beacon_rate
);
4059 err
= validate_beacon_tx_rate(rdev
, params
.chandef
.chan
->band
,
4060 ¶ms
.beacon_rate
);
4065 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
4067 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
4068 switch (params
.smps_mode
) {
4069 case NL80211_SMPS_OFF
:
4071 case NL80211_SMPS_STATIC
:
4072 if (!(rdev
->wiphy
.features
&
4073 NL80211_FEATURE_STATIC_SMPS
))
4076 case NL80211_SMPS_DYNAMIC
:
4077 if (!(rdev
->wiphy
.features
&
4078 NL80211_FEATURE_DYNAMIC_SMPS
))
4085 params
.smps_mode
= NL80211_SMPS_OFF
;
4088 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
4089 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
4092 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
4093 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
4094 if (IS_ERR(params
.acl
))
4095 return PTR_ERR(params
.acl
);
4098 nl80211_calculate_ap_params(¶ms
);
4101 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
4103 wdev
->preset_chandef
= params
.chandef
;
4104 wdev
->beacon_interval
= params
.beacon_interval
;
4105 wdev
->chandef
= params
.chandef
;
4106 wdev
->ssid_len
= params
.ssid_len
;
4107 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
4116 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
4118 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4119 struct net_device
*dev
= info
->user_ptr
[1];
4120 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4121 struct cfg80211_beacon_data params
;
4124 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4125 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4128 if (!rdev
->ops
->change_beacon
)
4131 if (!wdev
->beacon_interval
)
4134 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
4139 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
4145 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
4147 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4148 struct net_device
*dev
= info
->user_ptr
[1];
4150 return cfg80211_stop_ap(rdev
, dev
, false);
4153 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
4154 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
4155 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
4156 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
4157 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
4158 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
4159 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
4162 static int parse_station_flags(struct genl_info
*info
,
4163 enum nl80211_iftype iftype
,
4164 struct station_parameters
*params
)
4166 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
4171 * Try parsing the new attribute first so userspace
4172 * can specify both for older kernels.
4174 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
4176 struct nl80211_sta_flag_update
*sta_flags
;
4178 sta_flags
= nla_data(nla
);
4179 params
->sta_flags_mask
= sta_flags
->mask
;
4180 params
->sta_flags_set
= sta_flags
->set
;
4181 params
->sta_flags_set
&= params
->sta_flags_mask
;
4182 if ((params
->sta_flags_mask
|
4183 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
4188 /* if present, parse the old attribute */
4190 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
4194 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
, nla
,
4195 sta_flags_policy
, info
->extack
))
4199 * Only allow certain flags for interface types so that
4200 * other attributes are silently ignored. Remember that
4201 * this is backward compatibility code with old userspace
4202 * and shouldn't be hit in other cases anyway.
4205 case NL80211_IFTYPE_AP
:
4206 case NL80211_IFTYPE_AP_VLAN
:
4207 case NL80211_IFTYPE_P2P_GO
:
4208 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4209 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4210 BIT(NL80211_STA_FLAG_WME
) |
4211 BIT(NL80211_STA_FLAG_MFP
);
4213 case NL80211_IFTYPE_P2P_CLIENT
:
4214 case NL80211_IFTYPE_STATION
:
4215 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4216 BIT(NL80211_STA_FLAG_TDLS_PEER
);
4218 case NL80211_IFTYPE_MESH_POINT
:
4219 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4220 BIT(NL80211_STA_FLAG_MFP
) |
4221 BIT(NL80211_STA_FLAG_AUTHORIZED
);
4226 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
4228 params
->sta_flags_set
|= (1<<flag
);
4230 /* no longer support new API additions in old API */
4231 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
4239 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
4242 struct nlattr
*rate
;
4245 enum nl80211_rate_info rate_flg
;
4247 rate
= nla_nest_start(msg
, attr
);
4251 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4252 bitrate
= cfg80211_calculate_bitrate(info
);
4253 /* report 16-bit bitrate only if we can */
4254 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
4256 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
4258 if (bitrate_compat
> 0 &&
4259 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
4263 case RATE_INFO_BW_5
:
4264 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
4266 case RATE_INFO_BW_10
:
4267 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
4272 case RATE_INFO_BW_20
:
4275 case RATE_INFO_BW_40
:
4276 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
4278 case RATE_INFO_BW_80
:
4279 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
4281 case RATE_INFO_BW_160
:
4282 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
4286 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
4289 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
4290 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
4292 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4293 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4295 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
4296 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
4298 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
4300 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4301 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4305 nla_nest_end(msg
, rate
);
4309 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
4318 attr
= nla_nest_start(msg
, id
);
4322 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
4323 if (!(mask
& BIT(i
)))
4326 if (nla_put_u8(msg
, i
, signal
[i
]))
4330 nla_nest_end(msg
, attr
);
4335 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
4337 struct cfg80211_registered_device
*rdev
,
4338 struct net_device
*dev
,
4339 const u8
*mac_addr
, struct station_info
*sinfo
)
4342 struct nlattr
*sinfoattr
, *bss_param
;
4344 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
4348 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4349 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
4350 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
4351 goto nla_put_failure
;
4353 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
4355 goto nla_put_failure
;
4357 #define PUT_SINFO(attr, memb, type) do { \
4358 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4359 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4360 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4362 goto nla_put_failure; \
4364 #define PUT_SINFO_U64(attr, memb) do { \
4365 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4366 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4367 sinfo->memb, NL80211_STA_INFO_PAD)) \
4368 goto nla_put_failure; \
4371 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
4372 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
4374 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
4375 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
4376 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
4377 (u32
)sinfo
->rx_bytes
))
4378 goto nla_put_failure
;
4380 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
4381 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
4382 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
4383 (u32
)sinfo
->tx_bytes
))
4384 goto nla_put_failure
;
4386 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
4387 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
4388 PUT_SINFO(LLID
, llid
, u16
);
4389 PUT_SINFO(PLID
, plid
, u16
);
4390 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
4391 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
4393 switch (rdev
->wiphy
.signal_type
) {
4394 case CFG80211_SIGNAL_TYPE_MBM
:
4395 PUT_SINFO(SIGNAL
, signal
, u8
);
4396 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
4401 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
4402 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4403 sinfo
->chain_signal
,
4404 NL80211_STA_INFO_CHAIN_SIGNAL
))
4405 goto nla_put_failure
;
4407 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
4408 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4409 sinfo
->chain_signal_avg
,
4410 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
4411 goto nla_put_failure
;
4413 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
4414 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
4415 NL80211_STA_INFO_TX_BITRATE
))
4416 goto nla_put_failure
;
4418 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
4419 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
4420 NL80211_STA_INFO_RX_BITRATE
))
4421 goto nla_put_failure
;
4424 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
4425 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
4426 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
4427 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
4428 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
4429 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
4430 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
4431 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
4432 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
4434 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
4435 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
4437 goto nla_put_failure
;
4439 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
4440 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
4441 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
4442 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
4443 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
4444 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
4445 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
4446 sinfo
->bss_param
.dtim_period
) ||
4447 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
4448 sinfo
->bss_param
.beacon_interval
))
4449 goto nla_put_failure
;
4451 nla_nest_end(msg
, bss_param
);
4453 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
4454 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
4455 sizeof(struct nl80211_sta_flag_update
),
4457 goto nla_put_failure
;
4459 PUT_SINFO_U64(T_OFFSET
, t_offset
);
4460 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
4461 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
4462 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
4465 #undef PUT_SINFO_U64
4467 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
4468 struct nlattr
*tidsattr
;
4471 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
4473 goto nla_put_failure
;
4475 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
4476 struct cfg80211_tid_stats
*tidstats
;
4477 struct nlattr
*tidattr
;
4479 tidstats
= &sinfo
->pertid
[tid
];
4481 if (!tidstats
->filled
)
4484 tidattr
= nla_nest_start(msg
, tid
+ 1);
4486 goto nla_put_failure
;
4488 #define PUT_TIDVAL_U64(attr, memb) do { \
4489 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4490 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4491 tidstats->memb, NL80211_TID_STATS_PAD)) \
4492 goto nla_put_failure; \
4495 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
4496 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
4497 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
4498 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
4500 #undef PUT_TIDVAL_U64
4501 nla_nest_end(msg
, tidattr
);
4504 nla_nest_end(msg
, tidsattr
);
4507 nla_nest_end(msg
, sinfoattr
);
4509 if (sinfo
->assoc_req_ies_len
&&
4510 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
4511 sinfo
->assoc_req_ies
))
4512 goto nla_put_failure
;
4514 genlmsg_end(msg
, hdr
);
4518 genlmsg_cancel(msg
, hdr
);
4522 static int nl80211_dump_station(struct sk_buff
*skb
,
4523 struct netlink_callback
*cb
)
4525 struct station_info sinfo
;
4526 struct cfg80211_registered_device
*rdev
;
4527 struct wireless_dev
*wdev
;
4528 u8 mac_addr
[ETH_ALEN
];
4529 int sta_idx
= cb
->args
[2];
4533 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4537 if (!wdev
->netdev
) {
4542 if (!rdev
->ops
->dump_station
) {
4548 memset(&sinfo
, 0, sizeof(sinfo
));
4549 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
4556 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
4557 NETLINK_CB(cb
->skb
).portid
,
4558 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4559 rdev
, wdev
->netdev
, mac_addr
,
4567 cb
->args
[2] = sta_idx
;
4575 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
4577 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4578 struct net_device
*dev
= info
->user_ptr
[1];
4579 struct station_info sinfo
;
4580 struct sk_buff
*msg
;
4581 u8
*mac_addr
= NULL
;
4584 memset(&sinfo
, 0, sizeof(sinfo
));
4586 if (!info
->attrs
[NL80211_ATTR_MAC
])
4589 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4591 if (!rdev
->ops
->get_station
)
4594 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
4598 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4602 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4603 info
->snd_portid
, info
->snd_seq
, 0,
4604 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4609 return genlmsg_reply(msg
, info
);
4612 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4613 struct station_parameters
*params
,
4614 enum cfg80211_station_type statype
)
4616 if (params
->listen_interval
!= -1 &&
4617 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4620 if (params
->support_p2p_ps
!= -1 &&
4621 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4625 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4626 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4629 /* When you run into this, adjust the code below for the new flag */
4630 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4633 case CFG80211_STA_MESH_PEER_KERNEL
:
4634 case CFG80211_STA_MESH_PEER_USER
:
4636 * No ignoring the TDLS flag here -- the userspace mesh
4637 * code doesn't have the bug of including TDLS in the
4640 if (params
->sta_flags_mask
&
4641 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4642 BIT(NL80211_STA_FLAG_MFP
) |
4643 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4646 case CFG80211_STA_TDLS_PEER_SETUP
:
4647 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4648 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4650 /* ignore since it can't change */
4651 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4654 /* disallow mesh-specific things */
4655 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4657 if (params
->local_pm
)
4659 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4663 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4664 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4665 /* TDLS can't be set, ... */
4666 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4669 * ... but don't bother the driver with it. This works around
4670 * a hostapd/wpa_supplicant issue -- it always includes the
4671 * TLDS_PEER flag in the mask even for AP mode.
4673 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4676 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4677 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4678 /* reject other things that can't change */
4679 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4681 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4683 if (params
->supported_rates
)
4685 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4689 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4690 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4696 case CFG80211_STA_AP_MLME_CLIENT
:
4697 /* Use this only for authorizing/unauthorizing a station */
4698 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4701 case CFG80211_STA_AP_CLIENT
:
4702 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4703 /* accept only the listed bits */
4704 if (params
->sta_flags_mask
&
4705 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4706 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4707 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4708 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4709 BIT(NL80211_STA_FLAG_WME
) |
4710 BIT(NL80211_STA_FLAG_MFP
)))
4713 /* but authenticated/associated only if driver handles it */
4714 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4715 params
->sta_flags_mask
&
4716 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4717 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4720 case CFG80211_STA_IBSS
:
4721 case CFG80211_STA_AP_STA
:
4722 /* reject any changes other than AUTHORIZED */
4723 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4726 case CFG80211_STA_TDLS_PEER_SETUP
:
4727 /* reject any changes other than AUTHORIZED or WME */
4728 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4729 BIT(NL80211_STA_FLAG_WME
)))
4731 /* force (at least) rates when authorizing */
4732 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4733 !params
->supported_rates
)
4736 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4737 /* reject any changes */
4739 case CFG80211_STA_MESH_PEER_KERNEL
:
4740 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4743 case CFG80211_STA_MESH_PEER_USER
:
4744 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4745 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4751 * Older kernel versions ignored this attribute entirely, so don't
4752 * reject attempts to update it but mark it as unused instead so the
4753 * driver won't look at the data.
4755 if (statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
&&
4756 statype
!= CFG80211_STA_TDLS_PEER_SETUP
)
4757 params
->opmode_notif_used
= false;
4761 EXPORT_SYMBOL(cfg80211_check_station_change
);
4764 * Get vlan interface making sure it is running and on the right wiphy.
4766 static struct net_device
*get_vlan(struct genl_info
*info
,
4767 struct cfg80211_registered_device
*rdev
)
4769 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4770 struct net_device
*v
;
4776 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4778 return ERR_PTR(-ENODEV
);
4780 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4785 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4786 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4787 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4792 if (!netif_running(v
)) {
4800 return ERR_PTR(ret
);
4803 static const struct nla_policy
4804 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4805 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4806 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4809 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4810 struct station_parameters
*params
)
4812 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4816 /* parse WME attributes if present */
4817 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4820 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4821 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4822 nl80211_sta_wme_policy
, info
->extack
);
4826 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4827 params
->uapsd_queues
= nla_get_u8(
4828 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4829 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4832 if (tb
[NL80211_STA_WME_MAX_SP
])
4833 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4835 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4838 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4843 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4844 struct station_parameters
*params
)
4846 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4847 params
->supported_channels
=
4848 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4849 params
->supported_channels_len
=
4850 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4852 * Need to include at least one (first channel, number of
4853 * channels) tuple for each subband, and must have proper
4854 * tuples for the rest of the data as well.
4856 if (params
->supported_channels_len
< 2)
4858 if (params
->supported_channels_len
% 2)
4862 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4863 params
->supported_oper_classes
=
4864 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4865 params
->supported_oper_classes_len
=
4866 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4868 * The value of the Length field of the Supported Operating
4869 * Classes element is between 2 and 253.
4871 if (params
->supported_oper_classes_len
< 2 ||
4872 params
->supported_oper_classes_len
> 253)
4878 static int nl80211_set_station_tdls(struct genl_info
*info
,
4879 struct station_parameters
*params
)
4882 /* Dummy STA entry gets updated once the peer capabilities are known */
4883 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4884 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4885 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4887 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4888 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4890 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4892 err
= nl80211_parse_sta_channel_info(info
, params
);
4896 return nl80211_parse_sta_wme(info
, params
);
4899 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4901 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4902 struct net_device
*dev
= info
->user_ptr
[1];
4903 struct station_parameters params
;
4907 memset(¶ms
, 0, sizeof(params
));
4909 if (!rdev
->ops
->change_station
)
4913 * AID and listen_interval properties can be set only for unassociated
4914 * station. Include these parameters here and will check them in
4915 * cfg80211_check_station_change().
4917 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4918 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4920 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4921 params
.listen_interval
=
4922 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4924 params
.listen_interval
= -1;
4926 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4929 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4930 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4933 params
.support_p2p_ps
= tmp
;
4935 params
.support_p2p_ps
= -1;
4938 if (!info
->attrs
[NL80211_ATTR_MAC
])
4941 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4943 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4944 params
.supported_rates
=
4945 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4946 params
.supported_rates_len
=
4947 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4950 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4952 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4953 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4956 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4958 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4959 params
.ext_capab_len
=
4960 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4963 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4966 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4967 params
.plink_action
=
4968 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4969 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4973 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4974 params
.plink_state
=
4975 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4976 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4978 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]) {
4979 params
.peer_aid
= nla_get_u16(
4980 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
4981 if (params
.peer_aid
> IEEE80211_MAX_AID
)
4984 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4987 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4988 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4989 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4991 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4992 pm
> NL80211_MESH_POWER_MAX
)
4995 params
.local_pm
= pm
;
4998 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4999 params
.opmode_notif_used
= true;
5000 params
.opmode_notif
=
5001 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5004 /* Include parameters for TDLS peer (will check later) */
5005 err
= nl80211_set_station_tdls(info
, ¶ms
);
5009 params
.vlan
= get_vlan(info
, rdev
);
5010 if (IS_ERR(params
.vlan
))
5011 return PTR_ERR(params
.vlan
);
5013 switch (dev
->ieee80211_ptr
->iftype
) {
5014 case NL80211_IFTYPE_AP
:
5015 case NL80211_IFTYPE_AP_VLAN
:
5016 case NL80211_IFTYPE_P2P_GO
:
5017 case NL80211_IFTYPE_P2P_CLIENT
:
5018 case NL80211_IFTYPE_STATION
:
5019 case NL80211_IFTYPE_ADHOC
:
5020 case NL80211_IFTYPE_MESH_POINT
:
5027 /* driver will call cfg80211_check_station_change() */
5028 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
5032 dev_put(params
.vlan
);
5037 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
5039 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5041 struct net_device
*dev
= info
->user_ptr
[1];
5042 struct station_parameters params
;
5043 u8
*mac_addr
= NULL
;
5044 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5045 BIT(NL80211_STA_FLAG_ASSOCIATED
);
5047 memset(¶ms
, 0, sizeof(params
));
5049 if (!rdev
->ops
->add_station
)
5052 if (!info
->attrs
[NL80211_ATTR_MAC
])
5055 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
5058 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
5061 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
5062 !info
->attrs
[NL80211_ATTR_PEER_AID
])
5065 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5066 params
.supported_rates
=
5067 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5068 params
.supported_rates_len
=
5069 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5070 params
.listen_interval
=
5071 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
5073 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
5076 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
5077 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
5080 params
.support_p2p_ps
= tmp
;
5083 * if not specified, assume it's supported for P2P GO interface,
5084 * and is NOT supported for AP interface
5086 params
.support_p2p_ps
=
5087 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
5090 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
5091 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
5093 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
5094 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
5097 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
5099 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
5100 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
5103 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
5105 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5106 params
.ext_capab_len
=
5107 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5110 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
5112 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5114 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
5116 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
5118 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
5119 params
.opmode_notif_used
= true;
5120 params
.opmode_notif
=
5121 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5124 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
5125 params
.plink_action
=
5126 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
5127 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
5131 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
5135 err
= nl80211_parse_sta_wme(info
, ¶ms
);
5139 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
5142 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5143 * as userspace might just pass through the capabilities from the IEs
5144 * directly, rather than enforcing this restriction and returning an
5145 * error in this case.
5147 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
5148 params
.ht_capa
= NULL
;
5149 params
.vht_capa
= NULL
;
5152 /* When you run into this, adjust the code below for the new flag */
5153 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
5155 switch (dev
->ieee80211_ptr
->iftype
) {
5156 case NL80211_IFTYPE_AP
:
5157 case NL80211_IFTYPE_AP_VLAN
:
5158 case NL80211_IFTYPE_P2P_GO
:
5159 /* ignore WME attributes if iface/sta is not capable */
5160 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
5161 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
5162 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5164 /* TDLS peers cannot be added */
5165 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5166 info
->attrs
[NL80211_ATTR_PEER_AID
])
5168 /* but don't bother the driver with it */
5169 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5171 /* allow authenticated/associated only if driver handles it */
5172 if (!(rdev
->wiphy
.features
&
5173 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
5174 params
.sta_flags_mask
& auth_assoc
)
5177 /* Older userspace, or userspace wanting to be compatible with
5178 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5179 * and assoc flags in the mask, but assumes the station will be
5180 * added as associated anyway since this was the required driver
5181 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5183 * In order to not bother drivers with this quirk in the API
5184 * set the flags in both the mask and set for new stations in
5187 if (!(params
.sta_flags_mask
& auth_assoc
)) {
5188 params
.sta_flags_mask
|= auth_assoc
;
5189 params
.sta_flags_set
|= auth_assoc
;
5192 /* must be last in here for error handling */
5193 params
.vlan
= get_vlan(info
, rdev
);
5194 if (IS_ERR(params
.vlan
))
5195 return PTR_ERR(params
.vlan
);
5197 case NL80211_IFTYPE_MESH_POINT
:
5198 /* ignore uAPSD data */
5199 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5201 /* associated is disallowed */
5202 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
5204 /* TDLS peers cannot be added */
5205 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5206 info
->attrs
[NL80211_ATTR_PEER_AID
])
5209 case NL80211_IFTYPE_STATION
:
5210 case NL80211_IFTYPE_P2P_CLIENT
:
5211 /* ignore uAPSD data */
5212 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5214 /* these are disallowed */
5215 if (params
.sta_flags_mask
&
5216 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
5217 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
5219 /* Only TDLS peers can be added */
5220 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
5222 /* Can only add if TDLS ... */
5223 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
5225 /* ... with external setup is supported */
5226 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
5229 * Older wpa_supplicant versions always mark the TDLS peer
5230 * as authorized, but it shouldn't yet be.
5232 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
5238 /* be aware of params.vlan when changing code here */
5240 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
5243 dev_put(params
.vlan
);
5247 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
5249 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5250 struct net_device
*dev
= info
->user_ptr
[1];
5251 struct station_del_parameters params
;
5253 memset(¶ms
, 0, sizeof(params
));
5255 if (info
->attrs
[NL80211_ATTR_MAC
])
5256 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5258 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5259 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5260 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5261 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5264 if (!rdev
->ops
->del_station
)
5267 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
5269 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
5270 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
5271 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
5274 /* Default to Deauthentication frame */
5275 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
5278 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
5279 params
.reason_code
=
5280 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5281 if (params
.reason_code
== 0)
5282 return -EINVAL
; /* 0 is reserved */
5284 /* Default to reason code 2 */
5285 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
5288 return rdev_del_station(rdev
, dev
, ¶ms
);
5291 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5292 int flags
, struct net_device
*dev
,
5293 u8
*dst
, u8
*next_hop
,
5294 struct mpath_info
*pinfo
)
5297 struct nlattr
*pinfoattr
;
5299 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
5303 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5304 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
5305 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
5306 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
5307 goto nla_put_failure
;
5309 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
5311 goto nla_put_failure
;
5312 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
5313 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
5315 goto nla_put_failure
;
5316 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
5317 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
5318 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
5319 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
5321 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
5322 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
5324 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
5325 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
5327 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
5328 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
5329 pinfo
->discovery_timeout
)) ||
5330 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
5331 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
5332 pinfo
->discovery_retries
)))
5333 goto nla_put_failure
;
5335 nla_nest_end(msg
, pinfoattr
);
5337 genlmsg_end(msg
, hdr
);
5341 genlmsg_cancel(msg
, hdr
);
5345 static int nl80211_dump_mpath(struct sk_buff
*skb
,
5346 struct netlink_callback
*cb
)
5348 struct mpath_info pinfo
;
5349 struct cfg80211_registered_device
*rdev
;
5350 struct wireless_dev
*wdev
;
5352 u8 next_hop
[ETH_ALEN
];
5353 int path_idx
= cb
->args
[2];
5357 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5361 if (!rdev
->ops
->dump_mpath
) {
5366 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5372 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
5379 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5380 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5381 wdev
->netdev
, dst
, next_hop
,
5389 cb
->args
[2] = path_idx
;
5396 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5398 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5400 struct net_device
*dev
= info
->user_ptr
[1];
5401 struct mpath_info pinfo
;
5402 struct sk_buff
*msg
;
5404 u8 next_hop
[ETH_ALEN
];
5406 memset(&pinfo
, 0, sizeof(pinfo
));
5408 if (!info
->attrs
[NL80211_ATTR_MAC
])
5411 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5413 if (!rdev
->ops
->get_mpath
)
5416 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5419 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
5423 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5427 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5428 dev
, dst
, next_hop
, &pinfo
) < 0) {
5433 return genlmsg_reply(msg
, info
);
5436 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5438 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5439 struct net_device
*dev
= info
->user_ptr
[1];
5441 u8
*next_hop
= NULL
;
5443 if (!info
->attrs
[NL80211_ATTR_MAC
])
5446 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5449 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5450 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5452 if (!rdev
->ops
->change_mpath
)
5455 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5458 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
5461 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5463 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5464 struct net_device
*dev
= info
->user_ptr
[1];
5466 u8
*next_hop
= NULL
;
5468 if (!info
->attrs
[NL80211_ATTR_MAC
])
5471 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5474 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5475 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5477 if (!rdev
->ops
->add_mpath
)
5480 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5483 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
5486 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5488 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5489 struct net_device
*dev
= info
->user_ptr
[1];
5492 if (info
->attrs
[NL80211_ATTR_MAC
])
5493 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5495 if (!rdev
->ops
->del_mpath
)
5498 return rdev_del_mpath(rdev
, dev
, dst
);
5501 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
5503 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5505 struct net_device
*dev
= info
->user_ptr
[1];
5506 struct mpath_info pinfo
;
5507 struct sk_buff
*msg
;
5511 memset(&pinfo
, 0, sizeof(pinfo
));
5513 if (!info
->attrs
[NL80211_ATTR_MAC
])
5516 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5518 if (!rdev
->ops
->get_mpp
)
5521 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5524 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
5528 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5532 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5533 dev
, dst
, mpp
, &pinfo
) < 0) {
5538 return genlmsg_reply(msg
, info
);
5541 static int nl80211_dump_mpp(struct sk_buff
*skb
,
5542 struct netlink_callback
*cb
)
5544 struct mpath_info pinfo
;
5545 struct cfg80211_registered_device
*rdev
;
5546 struct wireless_dev
*wdev
;
5549 int path_idx
= cb
->args
[2];
5553 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5557 if (!rdev
->ops
->dump_mpp
) {
5562 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5568 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
5575 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5576 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5577 wdev
->netdev
, dst
, mpp
,
5585 cb
->args
[2] = path_idx
;
5592 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
5594 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5595 struct net_device
*dev
= info
->user_ptr
[1];
5596 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5597 struct bss_parameters params
;
5600 memset(¶ms
, 0, sizeof(params
));
5601 /* default to not changing parameters */
5602 params
.use_cts_prot
= -1;
5603 params
.use_short_preamble
= -1;
5604 params
.use_short_slot_time
= -1;
5605 params
.ap_isolate
= -1;
5606 params
.ht_opmode
= -1;
5607 params
.p2p_ctwindow
= -1;
5608 params
.p2p_opp_ps
= -1;
5610 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
5611 params
.use_cts_prot
=
5612 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
5613 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
5614 params
.use_short_preamble
=
5615 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
5616 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
5617 params
.use_short_slot_time
=
5618 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
5619 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5620 params
.basic_rates
=
5621 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5622 params
.basic_rates_len
=
5623 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5625 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5626 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5627 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5629 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5631 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5632 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5634 params
.p2p_ctwindow
=
5635 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5636 if (params
.p2p_ctwindow
< 0)
5638 if (params
.p2p_ctwindow
!= 0 &&
5639 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5643 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5646 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5648 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5651 params
.p2p_opp_ps
= tmp
;
5652 if (params
.p2p_opp_ps
&&
5653 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5657 if (!rdev
->ops
->change_bss
)
5660 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5661 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5665 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5671 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5675 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5679 * You should only get this when cfg80211 hasn't yet initialized
5680 * completely when built-in to the kernel right between the time
5681 * window between nl80211_init() and regulatory_init(), if that is
5684 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5685 return -EINPROGRESS
;
5687 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5688 user_reg_hint_type
=
5689 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5691 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5693 switch (user_reg_hint_type
) {
5694 case NL80211_USER_REG_HINT_USER
:
5695 case NL80211_USER_REG_HINT_CELL_BASE
:
5696 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5699 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5700 return regulatory_hint_user(data
, user_reg_hint_type
);
5701 case NL80211_USER_REG_HINT_INDOOR
:
5702 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5703 owner_nlportid
= info
->snd_portid
;
5704 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5710 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5716 static int nl80211_reload_regdb(struct sk_buff
*skb
, struct genl_info
*info
)
5718 return reg_reload_regdb();
5721 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5722 struct genl_info
*info
)
5724 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5725 struct net_device
*dev
= info
->user_ptr
[1];
5726 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5727 struct mesh_config cur_params
;
5730 struct nlattr
*pinfoattr
;
5731 struct sk_buff
*msg
;
5733 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5736 if (!rdev
->ops
->get_mesh_config
)
5740 /* If not connected, get default parameters */
5741 if (!wdev
->mesh_id_len
)
5742 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5744 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5750 /* Draw up a netlink message to send back */
5751 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5754 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5755 NL80211_CMD_GET_MESH_CONFIG
);
5758 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5760 goto nla_put_failure
;
5761 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5762 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5763 cur_params
.dot11MeshRetryTimeout
) ||
5764 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5765 cur_params
.dot11MeshConfirmTimeout
) ||
5766 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5767 cur_params
.dot11MeshHoldingTimeout
) ||
5768 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5769 cur_params
.dot11MeshMaxPeerLinks
) ||
5770 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5771 cur_params
.dot11MeshMaxRetries
) ||
5772 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5773 cur_params
.dot11MeshTTL
) ||
5774 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5775 cur_params
.element_ttl
) ||
5776 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5777 cur_params
.auto_open_plinks
) ||
5778 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5779 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5780 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5781 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5782 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5783 cur_params
.path_refresh_time
) ||
5784 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5785 cur_params
.min_discovery_timeout
) ||
5786 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5787 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5788 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5789 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5790 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5791 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5792 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5793 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5794 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5795 cur_params
.dot11MeshHWMPRootMode
) ||
5796 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5797 cur_params
.dot11MeshHWMPRannInterval
) ||
5798 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5799 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5800 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5801 cur_params
.dot11MeshForwarding
) ||
5802 nla_put_s32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5803 cur_params
.rssi_threshold
) ||
5804 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5805 cur_params
.ht_opmode
) ||
5806 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5807 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5808 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5809 cur_params
.dot11MeshHWMProotInterval
) ||
5810 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5811 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5812 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5813 cur_params
.power_mode
) ||
5814 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5815 cur_params
.dot11MeshAwakeWindowDuration
) ||
5816 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5817 cur_params
.plink_timeout
))
5818 goto nla_put_failure
;
5819 nla_nest_end(msg
, pinfoattr
);
5820 genlmsg_end(msg
, hdr
);
5821 return genlmsg_reply(msg
, info
);
5824 genlmsg_cancel(msg
, hdr
);
5830 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5831 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5832 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5833 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5834 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5835 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5836 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5837 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5838 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5839 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5840 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5841 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5842 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5843 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5844 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5845 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5846 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5847 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5848 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5849 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5850 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5851 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5852 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5853 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5854 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5855 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5856 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5857 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5858 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5861 static const struct nla_policy
5862 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5863 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5864 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5865 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5866 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5867 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5868 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5869 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5870 .len
= IEEE80211_MAX_DATA_LEN
},
5871 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5874 static int nl80211_check_bool(const struct nlattr
*nla
, u8 min
, u8 max
, bool *out
)
5876 u8 val
= nla_get_u8(nla
);
5877 if (val
< min
|| val
> max
)
5883 static int nl80211_check_u8(const struct nlattr
*nla
, u8 min
, u8 max
, u8
*out
)
5885 u8 val
= nla_get_u8(nla
);
5886 if (val
< min
|| val
> max
)
5892 static int nl80211_check_u16(const struct nlattr
*nla
, u16 min
, u16 max
, u16
*out
)
5894 u16 val
= nla_get_u16(nla
);
5895 if (val
< min
|| val
> max
)
5901 static int nl80211_check_u32(const struct nlattr
*nla
, u32 min
, u32 max
, u32
*out
)
5903 u32 val
= nla_get_u32(nla
);
5904 if (val
< min
|| val
> max
)
5910 static int nl80211_check_s32(const struct nlattr
*nla
, s32 min
, s32 max
, s32
*out
)
5912 s32 val
= nla_get_s32(nla
);
5913 if (val
< min
|| val
> max
)
5919 static int nl80211_check_power_mode(const struct nlattr
*nla
,
5920 enum nl80211_mesh_power_mode min
,
5921 enum nl80211_mesh_power_mode max
,
5922 enum nl80211_mesh_power_mode
*out
)
5924 u32 val
= nla_get_u32(nla
);
5925 if (val
< min
|| val
> max
)
5931 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5932 struct mesh_config
*cfg
,
5935 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5939 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5942 if (fn(tb[attr], min, max, &cfg->param)) \
5944 mask |= (1 << (attr - 1)); \
5948 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5950 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5951 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5952 nl80211_meshconf_params_policy
, info
->extack
))
5955 /* This makes sure that there aren't more than 32 mesh config
5956 * parameters (otherwise our bitfield scheme would not work.) */
5957 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5959 /* Fill in the params struct */
5960 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5961 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5963 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5964 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5966 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5967 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5969 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5970 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5972 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5973 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5975 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5976 mask
, NL80211_MESHCONF_TTL
, nl80211_check_u8
);
5977 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5978 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5980 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5981 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5982 nl80211_check_bool
);
5983 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5985 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5987 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5988 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5990 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5991 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5993 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5994 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5996 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5998 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
6000 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
6002 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
6004 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
6006 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
6008 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6009 dot11MeshHWMPnetDiameterTraversalTime
,
6011 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
6013 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
6014 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
6016 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
6017 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
6019 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6020 dot11MeshGateAnnouncementProtocol
, 0, 1,
6021 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
6022 nl80211_check_bool
);
6023 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
6024 mask
, NL80211_MESHCONF_FORWARDING
,
6025 nl80211_check_bool
);
6026 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
6027 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
6030 * Check HT operation mode based on
6031 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
6033 if (tb
[NL80211_MESHCONF_HT_OPMODE
]) {
6034 ht_opmode
= nla_get_u16(tb
[NL80211_MESHCONF_HT_OPMODE
]);
6036 if (ht_opmode
& ~(IEEE80211_HT_OP_MODE_PROTECTION
|
6037 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
|
6038 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6041 if ((ht_opmode
& IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
) &&
6042 (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6045 switch (ht_opmode
& IEEE80211_HT_OP_MODE_PROTECTION
) {
6046 case IEEE80211_HT_OP_MODE_PROTECTION_NONE
:
6047 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
6048 if (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
)
6051 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER
:
6052 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
6053 if (!(ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6057 cfg
->ht_opmode
= ht_opmode
;
6058 mask
|= (1 << (NL80211_MESHCONF_HT_OPMODE
- 1));
6060 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
6062 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
6064 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
6065 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
6067 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6068 dot11MeshHWMPconfirmationInterval
,
6070 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
6072 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
6073 NL80211_MESH_POWER_ACTIVE
,
6074 NL80211_MESH_POWER_MAX
,
6075 mask
, NL80211_MESHCONF_POWER_MODE
,
6076 nl80211_check_power_mode
);
6077 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
6079 NL80211_MESHCONF_AWAKE_WINDOW
, nl80211_check_u16
);
6080 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
6081 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
6088 #undef FILL_IN_MESH_PARAM_IF_SET
6091 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
6092 struct mesh_setup
*setup
)
6094 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6095 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
6097 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
6099 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
6100 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
6101 nl80211_mesh_setup_params_policy
, info
->extack
))
6104 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
6105 setup
->sync_method
=
6106 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
6107 IEEE80211_SYNC_METHOD_VENDOR
:
6108 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
6110 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
6111 setup
->path_sel_proto
=
6112 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
6113 IEEE80211_PATH_PROTOCOL_VENDOR
:
6114 IEEE80211_PATH_PROTOCOL_HWMP
;
6116 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
6117 setup
->path_metric
=
6118 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
6119 IEEE80211_PATH_METRIC_VENDOR
:
6120 IEEE80211_PATH_METRIC_AIRTIME
;
6122 if (tb
[NL80211_MESH_SETUP_IE
]) {
6123 struct nlattr
*ieattr
=
6124 tb
[NL80211_MESH_SETUP_IE
];
6125 if (!is_valid_ie_attr(ieattr
))
6127 setup
->ie
= nla_data(ieattr
);
6128 setup
->ie_len
= nla_len(ieattr
);
6130 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
6131 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
6133 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
6134 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
6135 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
6136 if (setup
->is_secure
)
6137 setup
->user_mpm
= true;
6139 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
6140 if (!setup
->user_mpm
)
6143 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
6149 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
6150 struct genl_info
*info
)
6152 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6153 struct net_device
*dev
= info
->user_ptr
[1];
6154 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6155 struct mesh_config cfg
;
6159 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6162 if (!rdev
->ops
->update_mesh_config
)
6165 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
6170 if (!wdev
->mesh_id_len
)
6174 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
6181 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
6182 struct sk_buff
*msg
)
6184 struct nlattr
*nl_reg_rules
;
6187 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
6188 (regdom
->dfs_region
&&
6189 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
6190 goto nla_put_failure
;
6192 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
6194 goto nla_put_failure
;
6196 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
6197 struct nlattr
*nl_reg_rule
;
6198 const struct ieee80211_reg_rule
*reg_rule
;
6199 const struct ieee80211_freq_range
*freq_range
;
6200 const struct ieee80211_power_rule
*power_rule
;
6201 unsigned int max_bandwidth_khz
;
6203 reg_rule
= ®dom
->reg_rules
[i
];
6204 freq_range
= ®_rule
->freq_range
;
6205 power_rule
= ®_rule
->power_rule
;
6207 nl_reg_rule
= nla_nest_start(msg
, i
);
6209 goto nla_put_failure
;
6211 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
6212 if (!max_bandwidth_khz
)
6213 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
6216 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
6218 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
6219 freq_range
->start_freq_khz
) ||
6220 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
6221 freq_range
->end_freq_khz
) ||
6222 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
6223 max_bandwidth_khz
) ||
6224 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
6225 power_rule
->max_antenna_gain
) ||
6226 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
6227 power_rule
->max_eirp
) ||
6228 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
6229 reg_rule
->dfs_cac_ms
))
6230 goto nla_put_failure
;
6232 nla_nest_end(msg
, nl_reg_rule
);
6235 nla_nest_end(msg
, nl_reg_rules
);
6242 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
6244 const struct ieee80211_regdomain
*regdom
= NULL
;
6245 struct cfg80211_registered_device
*rdev
;
6246 struct wiphy
*wiphy
= NULL
;
6247 struct sk_buff
*msg
;
6250 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6254 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6255 NL80211_CMD_GET_REG
);
6259 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
6262 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6265 return PTR_ERR(rdev
);
6268 wiphy
= &rdev
->wiphy
;
6269 self_managed
= wiphy
->regulatory_flags
&
6270 REGULATORY_WIPHY_SELF_MANAGED
;
6271 regdom
= get_wiphy_regdom(wiphy
);
6273 /* a self-managed-reg device must have a private regdom */
6274 if (WARN_ON(!regdom
&& self_managed
)) {
6280 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6281 goto nla_put_failure
;
6284 if (!wiphy
&& reg_last_request_cell_base() &&
6285 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6286 NL80211_USER_REG_HINT_CELL_BASE
))
6287 goto nla_put_failure
;
6292 regdom
= rcu_dereference(cfg80211_regdomain
);
6294 if (nl80211_put_regdom(regdom
, msg
))
6295 goto nla_put_failure_rcu
;
6299 genlmsg_end(msg
, hdr
);
6300 return genlmsg_reply(msg
, info
);
6302 nla_put_failure_rcu
:
6305 genlmsg_cancel(msg
, hdr
);
6311 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6312 u32 seq
, int flags
, struct wiphy
*wiphy
,
6313 const struct ieee80211_regdomain
*regdom
)
6315 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6316 NL80211_CMD_GET_REG
);
6321 genl_dump_check_consistent(cb
, hdr
);
6323 if (nl80211_put_regdom(regdom
, msg
))
6324 goto nla_put_failure
;
6326 if (!wiphy
&& reg_last_request_cell_base() &&
6327 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6328 NL80211_USER_REG_HINT_CELL_BASE
))
6329 goto nla_put_failure
;
6332 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6333 goto nla_put_failure
;
6335 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
6336 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
6337 goto nla_put_failure
;
6339 genlmsg_end(msg
, hdr
);
6343 genlmsg_cancel(msg
, hdr
);
6347 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
6348 struct netlink_callback
*cb
)
6350 const struct ieee80211_regdomain
*regdom
= NULL
;
6351 struct cfg80211_registered_device
*rdev
;
6352 int err
, reg_idx
, start
= cb
->args
[2];
6356 if (cfg80211_regdomain
&& start
== 0) {
6357 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6359 rtnl_dereference(cfg80211_regdomain
));
6364 /* the global regdom is idx 0 */
6366 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
6367 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
6371 if (++reg_idx
<= start
)
6374 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6375 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
6382 cb
->args
[2] = reg_idx
;
6389 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6390 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
6391 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
6392 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
6393 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
6394 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
6395 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
6396 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
6397 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
6400 static int parse_reg_rule(struct nlattr
*tb
[],
6401 struct ieee80211_reg_rule
*reg_rule
)
6403 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
6404 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
6406 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
6408 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
6410 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
6412 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
6414 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
6417 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
6419 freq_range
->start_freq_khz
=
6420 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
6421 freq_range
->end_freq_khz
=
6422 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
6423 freq_range
->max_bandwidth_khz
=
6424 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
6426 power_rule
->max_eirp
=
6427 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
6429 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
6430 power_rule
->max_antenna_gain
=
6431 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
6433 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
6434 reg_rule
->dfs_cac_ms
=
6435 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
6440 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
6442 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
6443 struct nlattr
*nl_reg_rule
;
6445 int rem_reg_rules
, r
;
6446 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
6447 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
6448 struct ieee80211_regdomain
*rd
;
6450 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
6453 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
6456 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
6458 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
6459 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
6461 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6464 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
6468 if (!reg_is_valid_request(alpha2
))
6471 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
6472 num_rules
* sizeof(struct ieee80211_reg_rule
);
6474 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
6478 rd
->n_reg_rules
= num_rules
;
6479 rd
->alpha2
[0] = alpha2
[0];
6480 rd
->alpha2
[1] = alpha2
[1];
6483 * Disable DFS master mode if the DFS region was
6484 * not supported or known on this kernel.
6486 if (reg_supported_dfs_region(dfs_region
))
6487 rd
->dfs_region
= dfs_region
;
6489 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6491 r
= nla_parse_nested(tb
, NL80211_REG_RULE_ATTR_MAX
,
6492 nl_reg_rule
, reg_rule_policy
,
6496 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
6502 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
6508 /* set_regdom takes ownership of rd */
6509 return set_regdom(rd
, REGD_SOURCE_CRDA
);
6514 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6516 static int validate_scan_freqs(struct nlattr
*freqs
)
6518 struct nlattr
*attr1
, *attr2
;
6519 int n_channels
= 0, tmp1
, tmp2
;
6521 nla_for_each_nested(attr1
, freqs
, tmp1
)
6522 if (nla_len(attr1
) != sizeof(u32
))
6525 nla_for_each_nested(attr1
, freqs
, tmp1
) {
6528 * Some hardware has a limited channel list for
6529 * scanning, and it is pretty much nonsensical
6530 * to scan for a channel twice, so disallow that
6531 * and don't require drivers to check that the
6532 * channel list they get isn't longer than what
6533 * they can scan, as long as they can scan all
6534 * the channels they registered at once.
6536 nla_for_each_nested(attr2
, freqs
, tmp2
)
6537 if (attr1
!= attr2
&&
6538 nla_get_u32(attr1
) == nla_get_u32(attr2
))
6545 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
6547 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
6550 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
6551 struct cfg80211_bss_selection
*bss_select
)
6553 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
6554 struct nlattr
*nest
;
6559 /* only process one nested attribute */
6560 nest
= nla_data(nla
);
6561 if (!nla_ok(nest
, nla_len(nest
)))
6564 err
= nla_parse_nested(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nest
,
6565 nl80211_bss_select_policy
, NULL
);
6569 /* only one attribute may be given */
6570 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
6578 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
6580 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
6581 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
6583 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
6584 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
6585 bss_select
->param
.band_pref
=
6586 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
6587 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
6591 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
6592 struct nl80211_bss_select_rssi_adjust
*adj_param
;
6594 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
6595 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
6596 bss_select
->param
.adjust
.band
= adj_param
->band
;
6597 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
6598 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
6602 /* user-space did not provide behaviour attribute */
6603 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
6606 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
6612 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
6613 u8
*mac_addr
, u8
*mac_addr_mask
)
6617 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
6618 eth_zero_addr(mac_addr
);
6619 eth_zero_addr(mac_addr_mask
);
6621 mac_addr_mask
[0] = 0x3;
6626 /* need both or none */
6627 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
6630 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
6631 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
6633 /* don't allow or configure an mcast address */
6634 if (!is_multicast_ether_addr(mac_addr_mask
) ||
6635 is_multicast_ether_addr(mac_addr
))
6639 * allow users to pass a MAC address that has bits set outside
6640 * of the mask, but don't bother drivers with having to deal
6643 for (i
= 0; i
< ETH_ALEN
; i
++)
6644 mac_addr
[i
] &= mac_addr_mask
[i
];
6649 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev
*wdev
)
6651 ASSERT_WDEV_LOCK(wdev
);
6653 if (!cfg80211_beaconing_iface_active(wdev
))
6656 if (!(wdev
->chandef
.chan
->flags
& IEEE80211_CHAN_RADAR
))
6659 return regulatory_pre_cac_allowed(wdev
->wiphy
);
6663 nl80211_check_scan_flags(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6664 void *request
, struct nlattr
**attrs
,
6667 u8
*mac_addr
, *mac_addr_mask
;
6669 enum nl80211_feature_flags randomness_flag
;
6671 if (!attrs
[NL80211_ATTR_SCAN_FLAGS
])
6674 if (is_sched_scan
) {
6675 struct cfg80211_sched_scan_request
*req
= request
;
6677 randomness_flag
= wdev
?
6678 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
:
6679 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6680 flags
= &req
->flags
;
6681 mac_addr
= req
->mac_addr
;
6682 mac_addr_mask
= req
->mac_addr_mask
;
6684 struct cfg80211_scan_request
*req
= request
;
6686 randomness_flag
= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
;
6687 flags
= &req
->flags
;
6688 mac_addr
= req
->mac_addr
;
6689 mac_addr_mask
= req
->mac_addr_mask
;
6692 *flags
= nla_get_u32(attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6694 if ((*flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6695 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
))
6698 if (*flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6701 if (!(wiphy
->features
& randomness_flag
) ||
6702 (wdev
&& wdev
->current_bss
))
6705 err
= nl80211_parse_random_mac(attrs
, mac_addr
, mac_addr_mask
);
6710 if ((*flags
& NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME
) &&
6711 !wiphy_ext_feature_isset(wiphy
,
6712 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME
))
6715 if ((*flags
& NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP
) &&
6716 !wiphy_ext_feature_isset(wiphy
,
6717 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP
))
6720 if ((*flags
& NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
) &&
6721 !wiphy_ext_feature_isset(wiphy
,
6722 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
))
6725 if ((*flags
& NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE
) &&
6726 !wiphy_ext_feature_isset(wiphy
,
6727 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE
))
6733 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6735 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6736 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6737 struct cfg80211_scan_request
*request
;
6738 struct nlattr
*attr
;
6739 struct wiphy
*wiphy
;
6740 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
6743 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6746 wiphy
= &rdev
->wiphy
;
6748 if (wdev
->iftype
== NL80211_IFTYPE_NAN
)
6751 if (!rdev
->ops
->scan
)
6754 if (rdev
->scan_req
|| rdev
->scan_msg
) {
6759 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6760 n_channels
= validate_scan_freqs(
6761 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6767 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6770 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
6771 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
6774 if (n_ssids
> wiphy
->max_scan_ssids
) {
6779 if (info
->attrs
[NL80211_ATTR_IE
])
6780 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6784 if (ie_len
> wiphy
->max_scan_ie_len
) {
6789 request
= kzalloc(sizeof(*request
)
6790 + sizeof(*request
->ssids
) * n_ssids
6791 + sizeof(*request
->channels
) * n_channels
6792 + ie_len
, GFP_KERNEL
);
6799 request
->ssids
= (void *)&request
->channels
[n_channels
];
6800 request
->n_ssids
= n_ssids
;
6803 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6805 request
->ie
= (void *)(request
->channels
+ n_channels
);
6809 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6810 /* user specified, bail out if channel not found */
6811 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6812 struct ieee80211_channel
*chan
;
6814 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6821 /* ignore disabled channels */
6822 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6825 request
->channels
[i
] = chan
;
6829 enum nl80211_band band
;
6832 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6835 if (!wiphy
->bands
[band
])
6837 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6838 struct ieee80211_channel
*chan
;
6840 chan
= &wiphy
->bands
[band
]->channels
[j
];
6842 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6845 request
->channels
[i
] = chan
;
6856 request
->n_channels
= i
;
6859 if (!cfg80211_off_channel_oper_allowed(wdev
)) {
6860 struct ieee80211_channel
*chan
;
6862 if (request
->n_channels
!= 1) {
6868 chan
= request
->channels
[0];
6869 if (chan
->center_freq
!= wdev
->chandef
.chan
->center_freq
) {
6879 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6880 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6884 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6885 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6890 if (info
->attrs
[NL80211_ATTR_IE
]) {
6891 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6892 memcpy((void *)request
->ie
,
6893 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6897 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6898 if (wiphy
->bands
[i
])
6900 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6902 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6903 nla_for_each_nested(attr
,
6904 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6906 enum nl80211_band band
= nla_type(attr
);
6908 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6913 if (!wiphy
->bands
[band
])
6916 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6919 &request
->rates
[band
]);
6925 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
6926 if (!wiphy_ext_feature_isset(wiphy
,
6927 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
6933 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
6934 request
->duration_mandatory
=
6935 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
6938 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, info
->attrs
,
6944 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6946 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6947 * BSSID to scan for. This was problematic because that same attribute
6948 * was already used for another purpose (local random MAC address). The
6949 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6950 * compatibility with older userspace components, also use the
6951 * NL80211_ATTR_MAC value here if it can be determined to be used for
6952 * the specific BSSID use case instead of the random MAC address
6953 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6955 if (info
->attrs
[NL80211_ATTR_BSSID
])
6956 memcpy(request
->bssid
,
6957 nla_data(info
->attrs
[NL80211_ATTR_BSSID
]), ETH_ALEN
);
6958 else if (!(request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) &&
6959 info
->attrs
[NL80211_ATTR_MAC
])
6960 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6963 eth_broadcast_addr(request
->bssid
);
6965 request
->wdev
= wdev
;
6966 request
->wiphy
= &rdev
->wiphy
;
6967 request
->scan_start
= jiffies
;
6969 rdev
->scan_req
= request
;
6970 err
= rdev_scan(rdev
, request
);
6973 nl80211_send_scan_start(rdev
, wdev
);
6975 dev_hold(wdev
->netdev
);
6978 rdev
->scan_req
= NULL
;
6986 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6988 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6989 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6991 if (!rdev
->ops
->abort_scan
)
6997 if (!rdev
->scan_req
)
7000 rdev_abort_scan(rdev
, wdev
);
7005 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
7006 struct cfg80211_sched_scan_request
*request
,
7007 struct nlattr
**attrs
)
7009 int tmp
, err
, i
= 0;
7010 struct nlattr
*attr
;
7012 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7016 * If scan plans are not specified,
7017 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7018 * case one scan plan will be set with the specified scan
7019 * interval and infinite number of iterations.
7021 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
7025 request
->scan_plans
[0].interval
=
7026 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
7027 if (!request
->scan_plans
[0].interval
)
7030 if (request
->scan_plans
[0].interval
>
7031 wiphy
->max_sched_scan_plan_interval
)
7032 request
->scan_plans
[0].interval
=
7033 wiphy
->max_sched_scan_plan_interval
;
7038 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
7039 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
7041 if (WARN_ON(i
>= n_plans
))
7044 err
= nla_parse_nested(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
7045 attr
, nl80211_plan_policy
, NULL
);
7049 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
7052 request
->scan_plans
[i
].interval
=
7053 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
7054 if (!request
->scan_plans
[i
].interval
||
7055 request
->scan_plans
[i
].interval
>
7056 wiphy
->max_sched_scan_plan_interval
)
7059 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
7060 request
->scan_plans
[i
].iterations
=
7061 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
7062 if (!request
->scan_plans
[i
].iterations
||
7063 (request
->scan_plans
[i
].iterations
>
7064 wiphy
->max_sched_scan_plan_iterations
))
7066 } else if (i
< n_plans
- 1) {
7068 * All scan plans but the last one must specify
7069 * a finite number of iterations
7078 * The last scan plan must not specify the number of
7079 * iterations, it is supposed to run infinitely
7081 if (request
->scan_plans
[n_plans
- 1].iterations
)
7087 static struct cfg80211_sched_scan_request
*
7088 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
7089 struct nlattr
**attrs
, int max_match_sets
)
7091 struct cfg80211_sched_scan_request
*request
;
7092 struct nlattr
*attr
;
7093 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
7094 enum nl80211_band band
;
7096 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
7097 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
7099 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
7100 return ERR_PTR(-EINVAL
);
7102 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7103 n_channels
= validate_scan_freqs(
7104 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
7106 return ERR_PTR(-EINVAL
);
7108 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
7111 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
7112 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7116 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
7117 return ERR_PTR(-EINVAL
);
7120 * First, count the number of 'real' matchsets. Due to an issue with
7121 * the old implementation, matchsets containing only the RSSI attribute
7122 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7123 * RSSI for all matchsets, rather than their own matchset for reporting
7124 * all APs with a strong RSSI. This is needed to be compatible with
7125 * older userspace that treated a matchset with only the RSSI as the
7126 * global RSSI for all other matchsets - if there are other matchsets.
7128 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7129 nla_for_each_nested(attr
,
7130 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7132 struct nlattr
*rssi
;
7134 err
= nla_parse_nested(tb
,
7135 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7136 attr
, nl80211_match_policy
,
7139 return ERR_PTR(err
);
7141 /* SSID and BSSID are mutually exclusive */
7142 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] &&
7143 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
])
7144 return ERR_PTR(-EINVAL
);
7146 /* add other standalone attributes here */
7147 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] ||
7148 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
]) {
7152 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7154 default_match_rssi
= nla_get_s32(rssi
);
7158 /* However, if there's no other matchset, add the RSSI one */
7159 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
7162 if (n_match_sets
> max_match_sets
)
7163 return ERR_PTR(-EINVAL
);
7165 if (attrs
[NL80211_ATTR_IE
])
7166 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
7170 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
7171 return ERR_PTR(-EINVAL
);
7173 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7175 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7176 * each scan plan already specifies its own interval
7178 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7179 return ERR_PTR(-EINVAL
);
7181 nla_for_each_nested(attr
,
7182 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
7186 * The scan interval attribute is kept for backward
7187 * compatibility. If no scan plans are specified and sched scan
7188 * interval is specified, one scan plan will be set with this
7189 * scan interval and infinite number of iterations.
7191 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7192 return ERR_PTR(-EINVAL
);
7197 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
7198 return ERR_PTR(-EINVAL
);
7200 if (!wiphy_ext_feature_isset(
7201 wiphy
, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI
) &&
7202 (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] ||
7203 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]))
7204 return ERR_PTR(-EINVAL
);
7206 request
= kzalloc(sizeof(*request
)
7207 + sizeof(*request
->ssids
) * n_ssids
7208 + sizeof(*request
->match_sets
) * n_match_sets
7209 + sizeof(*request
->scan_plans
) * n_plans
7210 + sizeof(*request
->channels
) * n_channels
7211 + ie_len
, GFP_KERNEL
);
7213 return ERR_PTR(-ENOMEM
);
7216 request
->ssids
= (void *)&request
->channels
[n_channels
];
7217 request
->n_ssids
= n_ssids
;
7220 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
7222 request
->ie
= (void *)(request
->channels
+ n_channels
);
7227 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
7229 request
->match_sets
=
7230 (void *)(request
->ssids
+ n_ssids
);
7232 request
->match_sets
=
7233 (void *)(request
->channels
+ n_channels
);
7235 request
->n_match_sets
= n_match_sets
;
7238 request
->scan_plans
= (void *)(request
->match_sets
+
7240 else if (request
->ie
)
7241 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
7243 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
7245 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
7247 request
->n_scan_plans
= n_plans
;
7250 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7251 /* user specified, bail out if channel not found */
7252 nla_for_each_nested(attr
,
7253 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
7255 struct ieee80211_channel
*chan
;
7257 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
7264 /* ignore disabled channels */
7265 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7268 request
->channels
[i
] = chan
;
7273 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7276 if (!wiphy
->bands
[band
])
7278 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
7279 struct ieee80211_channel
*chan
;
7281 chan
= &wiphy
->bands
[band
]->channels
[j
];
7283 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7286 request
->channels
[i
] = chan
;
7297 request
->n_channels
= i
;
7301 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7303 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
7307 request
->ssids
[i
].ssid_len
= nla_len(attr
);
7308 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
7315 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7316 nla_for_each_nested(attr
,
7317 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7319 struct nlattr
*ssid
, *bssid
, *rssi
;
7321 err
= nla_parse_nested(tb
,
7322 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7323 attr
, nl80211_match_policy
,
7327 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
7328 bssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
];
7329 if (ssid
|| bssid
) {
7330 if (WARN_ON(i
>= n_match_sets
)) {
7331 /* this indicates a programming error,
7332 * the loop above should have verified
7340 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
7344 memcpy(request
->match_sets
[i
].ssid
.ssid
,
7345 nla_data(ssid
), nla_len(ssid
));
7346 request
->match_sets
[i
].ssid
.ssid_len
=
7350 if (nla_len(bssid
) != ETH_ALEN
) {
7354 memcpy(request
->match_sets
[i
].bssid
,
7355 nla_data(bssid
), ETH_ALEN
);
7358 /* special attribute - old implementation w/a */
7359 request
->match_sets
[i
].rssi_thold
=
7361 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7363 request
->match_sets
[i
].rssi_thold
=
7369 /* there was no other matchset, so the RSSI one is alone */
7370 if (i
== 0 && n_match_sets
)
7371 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
7373 request
->min_rssi_thold
= INT_MAX
;
7374 for (i
= 0; i
< n_match_sets
; i
++)
7375 request
->min_rssi_thold
=
7376 min(request
->match_sets
[i
].rssi_thold
,
7377 request
->min_rssi_thold
);
7379 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
7383 request
->ie_len
= ie_len
;
7384 memcpy((void *)request
->ie
,
7385 nla_data(attrs
[NL80211_ATTR_IE
]),
7389 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, attrs
, true);
7393 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
7395 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
7397 if (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]) {
7398 request
->relative_rssi
= nla_get_s8(
7399 attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]);
7400 request
->relative_rssi_set
= true;
7403 if (request
->relative_rssi_set
&&
7404 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]) {
7405 struct nl80211_bss_select_rssi_adjust
*rssi_adjust
;
7407 rssi_adjust
= nla_data(
7408 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]);
7409 request
->rssi_adjust
.band
= rssi_adjust
->band
;
7410 request
->rssi_adjust
.delta
= rssi_adjust
->delta
;
7411 if (!is_band_valid(wiphy
, request
->rssi_adjust
.band
)) {
7417 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
7421 request
->scan_start
= jiffies
;
7427 return ERR_PTR(err
);
7430 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
7431 struct genl_info
*info
)
7433 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7434 struct net_device
*dev
= info
->user_ptr
[1];
7435 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7436 struct cfg80211_sched_scan_request
*sched_scan_req
;
7440 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_start
)
7443 want_multi
= info
->attrs
[NL80211_ATTR_SCHED_SCAN_MULTI
];
7444 err
= cfg80211_sched_scan_req_possible(rdev
, want_multi
);
7448 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
7450 rdev
->wiphy
.max_match_sets
);
7452 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
7456 /* leave request id zero for legacy request
7457 * or if driver does not support multi-scheduled scan
7459 if (want_multi
&& rdev
->wiphy
.max_sched_scan_reqs
> 1) {
7460 while (!sched_scan_req
->reqid
)
7461 sched_scan_req
->reqid
= rdev
->wiphy
.cookie_counter
++;
7464 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
7468 sched_scan_req
->dev
= dev
;
7469 sched_scan_req
->wiphy
= &rdev
->wiphy
;
7471 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
7472 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
7474 cfg80211_add_sched_scan_req(rdev
, sched_scan_req
);
7476 nl80211_send_sched_scan(sched_scan_req
, NL80211_CMD_START_SCHED_SCAN
);
7480 kfree(sched_scan_req
);
7485 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
7486 struct genl_info
*info
)
7488 struct cfg80211_sched_scan_request
*req
;
7489 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7492 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_stop
)
7495 if (info
->attrs
[NL80211_ATTR_COOKIE
]) {
7496 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7497 return __cfg80211_stop_sched_scan(rdev
, cookie
, false);
7500 req
= list_first_or_null_rcu(&rdev
->sched_scan_req_list
,
7501 struct cfg80211_sched_scan_request
,
7503 if (!req
|| req
->reqid
||
7504 (req
->owner_nlportid
&&
7505 req
->owner_nlportid
!= info
->snd_portid
))
7508 return cfg80211_stop_sched_scan_req(rdev
, req
, false);
7511 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
7512 struct genl_info
*info
)
7514 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7515 struct net_device
*dev
= info
->user_ptr
[1];
7516 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7517 struct cfg80211_chan_def chandef
;
7518 enum nl80211_dfs_regions dfs_region
;
7519 unsigned int cac_time_ms
;
7522 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
7523 if (dfs_region
== NL80211_DFS_UNSET
)
7526 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7530 if (netif_carrier_ok(dev
))
7533 if (wdev
->cac_started
)
7536 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
7544 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
7547 if (!rdev
->ops
->start_radar_detection
)
7550 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
7551 if (WARN_ON(!cac_time_ms
))
7552 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
7554 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
7556 wdev
->chandef
= chandef
;
7557 wdev
->cac_started
= true;
7558 wdev
->cac_start_time
= jiffies
;
7559 wdev
->cac_time_ms
= cac_time_ms
;
7564 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
7566 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7567 struct net_device
*dev
= info
->user_ptr
[1];
7568 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7569 struct cfg80211_csa_settings params
;
7570 /* csa_attrs is defined static to avoid waste of stack size - this
7571 * function is called under RTNL lock, so this should not be a problem.
7573 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
7575 bool need_new_beacon
= false;
7576 bool need_handle_dfs_flag
= true;
7580 if (!rdev
->ops
->channel_switch
||
7581 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
7584 switch (dev
->ieee80211_ptr
->iftype
) {
7585 case NL80211_IFTYPE_AP
:
7586 case NL80211_IFTYPE_P2P_GO
:
7587 need_new_beacon
= true;
7588 /* For all modes except AP the handle_dfs flag needs to be
7589 * supplied to tell the kernel that userspace will handle radar
7590 * events when they happen. Otherwise a switch to a channel
7591 * requiring DFS will be rejected.
7593 need_handle_dfs_flag
= false;
7595 /* useless if AP is not running */
7596 if (!wdev
->beacon_interval
)
7599 case NL80211_IFTYPE_ADHOC
:
7600 if (!wdev
->ssid_len
)
7603 case NL80211_IFTYPE_MESH_POINT
:
7604 if (!wdev
->mesh_id_len
)
7611 memset(¶ms
, 0, sizeof(params
));
7613 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7614 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
7617 /* only important for AP, IBSS and mesh create IEs internally */
7618 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
7621 /* Even though the attribute is u32, the specification says
7622 * u8, so let's make sure we don't overflow.
7624 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
7628 params
.count
= cs_count
;
7630 if (!need_new_beacon
)
7633 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
7637 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
7638 info
->attrs
[NL80211_ATTR_CSA_IES
],
7639 nl80211_policy
, info
->extack
);
7643 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
7647 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
7650 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7651 if (!len
|| (len
% sizeof(u16
)))
7654 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
7655 if (rdev
->wiphy
.max_num_csa_counters
&&
7656 (params
.n_counter_offsets_beacon
>
7657 rdev
->wiphy
.max_num_csa_counters
))
7660 params
.counter_offsets_beacon
=
7661 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7663 /* sanity checks - counters should fit and be the same */
7664 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
7665 u16 offset
= params
.counter_offsets_beacon
[i
];
7667 if (offset
>= params
.beacon_csa
.tail_len
)
7670 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
7674 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
7675 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7676 if (!len
|| (len
% sizeof(u16
)))
7679 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
7680 if (rdev
->wiphy
.max_num_csa_counters
&&
7681 (params
.n_counter_offsets_presp
>
7682 rdev
->wiphy
.max_num_csa_counters
))
7685 params
.counter_offsets_presp
=
7686 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7688 /* sanity checks - counters should fit and be the same */
7689 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
7690 u16 offset
= params
.counter_offsets_presp
[i
];
7692 if (offset
>= params
.beacon_csa
.probe_resp_len
)
7695 if (params
.beacon_csa
.probe_resp
[offset
] !=
7702 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
7706 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
7710 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
7717 params
.radar_required
= true;
7718 if (need_handle_dfs_flag
&&
7719 !nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
])) {
7724 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
7725 params
.block_tx
= true;
7728 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
7734 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
7736 struct cfg80211_registered_device
*rdev
,
7737 struct wireless_dev
*wdev
,
7738 struct cfg80211_internal_bss
*intbss
)
7740 struct cfg80211_bss
*res
= &intbss
->pub
;
7741 const struct cfg80211_bss_ies
*ies
;
7745 ASSERT_WDEV_LOCK(wdev
);
7747 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
7748 NL80211_CMD_NEW_SCAN_RESULTS
);
7752 genl_dump_check_consistent(cb
, hdr
);
7754 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
7755 goto nla_put_failure
;
7757 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
7758 goto nla_put_failure
;
7759 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
7761 goto nla_put_failure
;
7763 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
7765 goto nla_put_failure
;
7766 if ((!is_zero_ether_addr(res
->bssid
) &&
7767 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
7768 goto nla_put_failure
;
7771 /* indicate whether we have probe response data or not */
7772 if (rcu_access_pointer(res
->proberesp_ies
) &&
7773 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
7774 goto fail_unlock_rcu
;
7776 /* this pointer prefers to be pointed to probe response data
7777 * but is always valid
7779 ies
= rcu_dereference(res
->ies
);
7781 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
7783 goto fail_unlock_rcu
;
7784 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
7785 ies
->len
, ies
->data
))
7786 goto fail_unlock_rcu
;
7789 /* and this pointer is always (unless driver didn't know) beacon data */
7790 ies
= rcu_dereference(res
->beacon_ies
);
7791 if (ies
&& ies
->from_beacon
) {
7792 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
7794 goto fail_unlock_rcu
;
7795 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
7796 ies
->len
, ies
->data
))
7797 goto fail_unlock_rcu
;
7801 if (res
->beacon_interval
&&
7802 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
7803 goto nla_put_failure
;
7804 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
7805 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
7806 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
7807 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
7808 jiffies_to_msecs(jiffies
- intbss
->ts
)))
7809 goto nla_put_failure
;
7811 if (intbss
->parent_tsf
&&
7812 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
7813 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
7814 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
7815 intbss
->parent_bssid
)))
7816 goto nla_put_failure
;
7818 if (intbss
->ts_boottime
&&
7819 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
7820 intbss
->ts_boottime
, NL80211_BSS_PAD
))
7821 goto nla_put_failure
;
7823 switch (rdev
->wiphy
.signal_type
) {
7824 case CFG80211_SIGNAL_TYPE_MBM
:
7825 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
7826 goto nla_put_failure
;
7828 case CFG80211_SIGNAL_TYPE_UNSPEC
:
7829 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
7830 goto nla_put_failure
;
7836 switch (wdev
->iftype
) {
7837 case NL80211_IFTYPE_P2P_CLIENT
:
7838 case NL80211_IFTYPE_STATION
:
7839 if (intbss
== wdev
->current_bss
&&
7840 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7841 NL80211_BSS_STATUS_ASSOCIATED
))
7842 goto nla_put_failure
;
7844 case NL80211_IFTYPE_ADHOC
:
7845 if (intbss
== wdev
->current_bss
&&
7846 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7847 NL80211_BSS_STATUS_IBSS_JOINED
))
7848 goto nla_put_failure
;
7854 nla_nest_end(msg
, bss
);
7856 genlmsg_end(msg
, hdr
);
7862 genlmsg_cancel(msg
, hdr
);
7866 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7868 struct cfg80211_registered_device
*rdev
;
7869 struct cfg80211_internal_bss
*scan
;
7870 struct wireless_dev
*wdev
;
7871 int start
= cb
->args
[2], idx
= 0;
7875 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7882 spin_lock_bh(&rdev
->bss_lock
);
7883 cfg80211_bss_expire(rdev
);
7885 cb
->seq
= rdev
->bss_generation
;
7887 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7890 if (nl80211_send_bss(skb
, cb
,
7891 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7892 rdev
, wdev
, scan
) < 0) {
7898 spin_unlock_bh(&rdev
->bss_lock
);
7907 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7908 int flags
, struct net_device
*dev
,
7909 bool allow_radio_stats
,
7910 struct survey_info
*survey
)
7913 struct nlattr
*infoattr
;
7915 /* skip radio stats if userspace didn't request them */
7916 if (!survey
->channel
&& !allow_radio_stats
)
7919 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7920 NL80211_CMD_NEW_SURVEY_RESULTS
);
7924 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7925 goto nla_put_failure
;
7927 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7929 goto nla_put_failure
;
7931 if (survey
->channel
&&
7932 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7933 survey
->channel
->center_freq
))
7934 goto nla_put_failure
;
7936 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7937 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7938 goto nla_put_failure
;
7939 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7940 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7941 goto nla_put_failure
;
7942 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7943 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7944 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7945 goto nla_put_failure
;
7946 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7947 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7948 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7949 goto nla_put_failure
;
7950 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7951 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7952 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7953 goto nla_put_failure
;
7954 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7955 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7956 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7957 goto nla_put_failure
;
7958 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7959 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7960 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7961 goto nla_put_failure
;
7962 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7963 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7964 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7965 goto nla_put_failure
;
7967 nla_nest_end(msg
, infoattr
);
7969 genlmsg_end(msg
, hdr
);
7973 genlmsg_cancel(msg
, hdr
);
7977 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7979 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
7980 struct survey_info survey
;
7981 struct cfg80211_registered_device
*rdev
;
7982 struct wireless_dev
*wdev
;
7983 int survey_idx
= cb
->args
[2];
7988 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7992 /* prepare_wdev_dump parsed the attributes */
7993 radio_stats
= attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7995 if (!wdev
->netdev
) {
8000 if (!rdev
->ops
->dump_survey
) {
8006 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
8012 /* don't send disabled channels, but do send non-channel data */
8013 if (survey
.channel
&&
8014 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
8019 if (nl80211_send_survey(skb
,
8020 NETLINK_CB(cb
->skb
).portid
,
8021 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8022 wdev
->netdev
, radio_stats
, &survey
) < 0)
8028 cb
->args
[2] = survey_idx
;
8035 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
8037 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
8038 NL80211_WPA_VERSION_2
));
8041 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8043 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8044 struct net_device
*dev
= info
->user_ptr
[1];
8045 struct ieee80211_channel
*chan
;
8046 const u8
*bssid
, *ssid
, *ie
= NULL
, *auth_data
= NULL
;
8047 int err
, ssid_len
, ie_len
= 0, auth_data_len
= 0;
8048 enum nl80211_auth_type auth_type
;
8049 struct key_parse key
;
8050 bool local_state_change
;
8052 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8055 if (!info
->attrs
[NL80211_ATTR_MAC
])
8058 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
8061 if (!info
->attrs
[NL80211_ATTR_SSID
])
8064 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8067 err
= nl80211_parse_key(info
, &key
);
8072 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
8074 if (!key
.p
.key
|| !key
.p
.key_len
)
8076 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
8077 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
8078 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
8079 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
8092 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
8093 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
8102 if (!rdev
->ops
->auth
)
8105 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8106 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8109 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8110 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8111 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8115 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8116 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8118 if (info
->attrs
[NL80211_ATTR_IE
]) {
8119 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8120 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8123 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8124 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
8127 if ((auth_type
== NL80211_AUTHTYPE_SAE
||
8128 auth_type
== NL80211_AUTHTYPE_FILS_SK
||
8129 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
8130 auth_type
== NL80211_AUTHTYPE_FILS_PK
) &&
8131 !info
->attrs
[NL80211_ATTR_AUTH_DATA
])
8134 if (info
->attrs
[NL80211_ATTR_AUTH_DATA
]) {
8135 if (auth_type
!= NL80211_AUTHTYPE_SAE
&&
8136 auth_type
!= NL80211_AUTHTYPE_FILS_SK
&&
8137 auth_type
!= NL80211_AUTHTYPE_FILS_SK_PFS
&&
8138 auth_type
!= NL80211_AUTHTYPE_FILS_PK
)
8140 auth_data
= nla_data(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8141 auth_data_len
= nla_len(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8142 /* need to include at least Auth Transaction and Status Code */
8143 if (auth_data_len
< 4)
8147 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8150 * Since we no longer track auth state, ignore
8151 * requests to only change local state.
8153 if (local_state_change
)
8156 wdev_lock(dev
->ieee80211_ptr
);
8157 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
8158 ssid
, ssid_len
, ie
, ie_len
,
8159 key
.p
.key
, key
.p
.key_len
, key
.idx
,
8160 auth_data
, auth_data_len
);
8161 wdev_unlock(dev
->ieee80211_ptr
);
8165 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
8166 struct genl_info
*info
,
8167 struct cfg80211_crypto_settings
*settings
,
8170 memset(settings
, 0, sizeof(*settings
));
8172 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
8174 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
8177 proto
= nla_get_u16(
8178 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
8179 settings
->control_port_ethertype
= cpu_to_be16(proto
);
8180 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
8183 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
8184 settings
->control_port_no_encrypt
= true;
8186 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
8188 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
8192 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8193 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8194 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
8196 if (len
% sizeof(u32
))
8199 if (settings
->n_ciphers_pairwise
> cipher_limit
)
8202 memcpy(settings
->ciphers_pairwise
, data
, len
);
8204 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
8205 if (!cfg80211_supported_cipher_suite(
8207 settings
->ciphers_pairwise
[i
]))
8211 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
8212 settings
->cipher_group
=
8213 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
8214 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
8215 settings
->cipher_group
))
8219 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
8220 settings
->wpa_versions
=
8221 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
8222 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
8226 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
8230 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8231 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8232 settings
->n_akm_suites
= len
/ sizeof(u32
);
8234 if (len
% sizeof(u32
))
8237 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
8240 memcpy(settings
->akm_suites
, data
, len
);
8243 if (info
->attrs
[NL80211_ATTR_PMK
]) {
8244 if (nla_len(info
->attrs
[NL80211_ATTR_PMK
]) != WLAN_PMK_LEN
)
8246 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8247 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK
))
8249 settings
->psk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
8255 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
8257 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8258 struct net_device
*dev
= info
->user_ptr
[1];
8259 struct ieee80211_channel
*chan
;
8260 struct cfg80211_assoc_request req
= {};
8261 const u8
*bssid
, *ssid
;
8262 int err
, ssid_len
= 0;
8264 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8267 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
8268 !info
->attrs
[NL80211_ATTR_SSID
] ||
8269 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8272 if (!rdev
->ops
->assoc
)
8275 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8276 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8279 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8281 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8282 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8286 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8287 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8289 if (info
->attrs
[NL80211_ATTR_IE
]) {
8290 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8291 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8294 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8295 enum nl80211_mfp mfp
=
8296 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8297 if (mfp
== NL80211_MFP_REQUIRED
)
8299 else if (mfp
!= NL80211_MFP_NO
)
8303 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8304 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8306 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8307 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
8309 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8310 memcpy(&req
.ht_capa_mask
,
8311 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8312 sizeof(req
.ht_capa_mask
));
8314 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8315 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8317 memcpy(&req
.ht_capa
,
8318 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8319 sizeof(req
.ht_capa
));
8322 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8323 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8325 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8326 memcpy(&req
.vht_capa_mask
,
8327 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8328 sizeof(req
.vht_capa_mask
));
8330 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8331 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8333 memcpy(&req
.vht_capa
,
8334 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8335 sizeof(req
.vht_capa
));
8338 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8339 if (!((rdev
->wiphy
.features
&
8340 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8341 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8342 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8343 NL80211_EXT_FEATURE_RRM
))
8345 req
.flags
|= ASSOC_REQ_USE_RRM
;
8348 if (info
->attrs
[NL80211_ATTR_FILS_KEK
]) {
8349 req
.fils_kek
= nla_data(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8350 req
.fils_kek_len
= nla_len(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8351 if (!info
->attrs
[NL80211_ATTR_FILS_NONCES
])
8354 nla_data(info
->attrs
[NL80211_ATTR_FILS_NONCES
]);
8357 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
8359 wdev_lock(dev
->ieee80211_ptr
);
8361 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
8362 ssid
, ssid_len
, &req
);
8364 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
8365 dev
->ieee80211_ptr
->conn_owner_nlportid
=
8367 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
8371 wdev_unlock(dev
->ieee80211_ptr
);
8377 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8379 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8380 struct net_device
*dev
= info
->user_ptr
[1];
8381 const u8
*ie
= NULL
, *bssid
;
8382 int ie_len
= 0, err
;
8384 bool local_state_change
;
8386 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8389 if (!info
->attrs
[NL80211_ATTR_MAC
])
8392 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8395 if (!rdev
->ops
->deauth
)
8398 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8399 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8402 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8404 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8405 if (reason_code
== 0) {
8406 /* Reason Code 0 is reserved */
8410 if (info
->attrs
[NL80211_ATTR_IE
]) {
8411 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8412 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8415 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8417 wdev_lock(dev
->ieee80211_ptr
);
8418 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8419 local_state_change
);
8420 wdev_unlock(dev
->ieee80211_ptr
);
8424 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
8426 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8427 struct net_device
*dev
= info
->user_ptr
[1];
8428 const u8
*ie
= NULL
, *bssid
;
8429 int ie_len
= 0, err
;
8431 bool local_state_change
;
8433 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8436 if (!info
->attrs
[NL80211_ATTR_MAC
])
8439 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8442 if (!rdev
->ops
->disassoc
)
8445 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8446 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8449 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8451 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8452 if (reason_code
== 0) {
8453 /* Reason Code 0 is reserved */
8457 if (info
->attrs
[NL80211_ATTR_IE
]) {
8458 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8459 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8462 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8464 wdev_lock(dev
->ieee80211_ptr
);
8465 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8466 local_state_change
);
8467 wdev_unlock(dev
->ieee80211_ptr
);
8472 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
8473 int mcast_rate
[NUM_NL80211_BANDS
],
8476 struct wiphy
*wiphy
= &rdev
->wiphy
;
8480 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
8481 struct ieee80211_supported_band
*sband
;
8483 sband
= wiphy
->bands
[band
];
8487 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
8488 if (sband
->bitrates
[i
].bitrate
== rateval
) {
8489 mcast_rate
[band
] = i
+ 1;
8499 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8501 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8502 struct net_device
*dev
= info
->user_ptr
[1];
8503 struct cfg80211_ibss_params ibss
;
8504 struct wiphy
*wiphy
;
8505 struct cfg80211_cached_keys
*connkeys
= NULL
;
8508 memset(&ibss
, 0, sizeof(ibss
));
8510 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8513 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8514 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8517 ibss
.beacon_interval
= 100;
8519 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
])
8520 ibss
.beacon_interval
=
8521 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8523 err
= cfg80211_validate_beacon_int(rdev
, NL80211_IFTYPE_ADHOC
,
8524 ibss
.beacon_interval
);
8528 if (!rdev
->ops
->join_ibss
)
8531 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8534 wiphy
= &rdev
->wiphy
;
8536 if (info
->attrs
[NL80211_ATTR_MAC
]) {
8537 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8539 if (!is_valid_ether_addr(ibss
.bssid
))
8542 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8543 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8545 if (info
->attrs
[NL80211_ATTR_IE
]) {
8546 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8547 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8550 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
8554 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
8555 NL80211_IFTYPE_ADHOC
))
8558 switch (ibss
.chandef
.width
) {
8559 case NL80211_CHAN_WIDTH_5
:
8560 case NL80211_CHAN_WIDTH_10
:
8561 case NL80211_CHAN_WIDTH_20_NOHT
:
8563 case NL80211_CHAN_WIDTH_20
:
8564 case NL80211_CHAN_WIDTH_40
:
8565 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8568 case NL80211_CHAN_WIDTH_80
:
8569 case NL80211_CHAN_WIDTH_80P80
:
8570 case NL80211_CHAN_WIDTH_160
:
8571 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8573 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8574 NL80211_EXT_FEATURE_VHT_IBSS
))
8581 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
8582 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
8584 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8586 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8588 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8589 struct ieee80211_supported_band
*sband
=
8590 wiphy
->bands
[ibss
.chandef
.chan
->band
];
8592 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8598 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8599 memcpy(&ibss
.ht_capa_mask
,
8600 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8601 sizeof(ibss
.ht_capa_mask
));
8603 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8604 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8606 memcpy(&ibss
.ht_capa
,
8607 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8608 sizeof(ibss
.ht_capa
));
8611 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8612 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
8613 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8616 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8619 connkeys
= nl80211_parse_connkeys(rdev
,
8620 info
->attrs
[NL80211_ATTR_KEYS
],
8622 if (IS_ERR(connkeys
))
8623 return PTR_ERR(connkeys
);
8625 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
8633 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
8635 ibss
.userspace_handles_dfs
=
8636 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
8638 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
8644 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8646 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8647 struct net_device
*dev
= info
->user_ptr
[1];
8649 if (!rdev
->ops
->leave_ibss
)
8652 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8655 return cfg80211_leave_ibss(rdev
, dev
, false);
8658 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
8660 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8661 struct net_device
*dev
= info
->user_ptr
[1];
8662 int mcast_rate
[NUM_NL80211_BANDS
];
8666 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
8667 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
8668 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
8671 if (!rdev
->ops
->set_mcast_rate
)
8674 memset(mcast_rate
, 0, sizeof(mcast_rate
));
8676 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
8679 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
8680 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
8683 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
8688 static struct sk_buff
*
8689 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
8690 struct wireless_dev
*wdev
, int approxlen
,
8691 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
8692 enum nl80211_attrs attr
,
8693 const struct nl80211_vendor_cmd_info
*info
,
8696 struct sk_buff
*skb
;
8698 struct nlattr
*data
;
8700 skb
= nlmsg_new(approxlen
+ 100, gfp
);
8704 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
8710 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
8711 goto nla_put_failure
;
8714 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
8716 goto nla_put_failure
;
8717 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
8719 goto nla_put_failure
;
8723 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
8724 wdev_id(wdev
), NL80211_ATTR_PAD
))
8725 goto nla_put_failure
;
8727 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
8728 wdev
->netdev
->ifindex
))
8729 goto nla_put_failure
;
8732 data
= nla_nest_start(skb
, attr
);
8734 goto nla_put_failure
;
8736 ((void **)skb
->cb
)[0] = rdev
;
8737 ((void **)skb
->cb
)[1] = hdr
;
8738 ((void **)skb
->cb
)[2] = data
;
8747 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
8748 struct wireless_dev
*wdev
,
8749 enum nl80211_commands cmd
,
8750 enum nl80211_attrs attr
,
8751 int vendor_event_idx
,
8752 int approxlen
, gfp_t gfp
)
8754 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
8755 const struct nl80211_vendor_cmd_info
*info
;
8758 case NL80211_CMD_TESTMODE
:
8759 if (WARN_ON(vendor_event_idx
!= -1))
8763 case NL80211_CMD_VENDOR
:
8764 if (WARN_ON(vendor_event_idx
< 0 ||
8765 vendor_event_idx
>= wiphy
->n_vendor_events
))
8767 info
= &wiphy
->vendor_events
[vendor_event_idx
];
8774 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
8775 cmd
, attr
, info
, gfp
);
8777 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
8779 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
8781 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8782 void *hdr
= ((void **)skb
->cb
)[1];
8783 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8784 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
8786 /* clear CB data for netlink core to own from now on */
8787 memset(skb
->cb
, 0, sizeof(skb
->cb
));
8789 nla_nest_end(skb
, data
);
8790 genlmsg_end(skb
, hdr
);
8792 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
8793 mcgrp
= NL80211_MCGRP_VENDOR
;
8795 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
8798 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
8800 #ifdef CONFIG_NL80211_TESTMODE
8801 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
8803 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8804 struct wireless_dev
*wdev
=
8805 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8808 if (!rdev
->ops
->testmode_cmd
)
8812 err
= PTR_ERR(wdev
);
8816 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8820 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
8823 rdev
->cur_cmd_info
= info
;
8824 err
= rdev_testmode_cmd(rdev
, wdev
,
8825 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
8826 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
8827 rdev
->cur_cmd_info
= NULL
;
8832 static int nl80211_testmode_dump(struct sk_buff
*skb
,
8833 struct netlink_callback
*cb
)
8835 struct cfg80211_registered_device
*rdev
;
8845 * 0 is a valid index, but not valid for args[0],
8846 * so we need to offset by 1.
8848 phy_idx
= cb
->args
[0] - 1;
8850 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
8856 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
8858 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
8859 attrbuf
, nl80211_fam
.maxattr
,
8860 nl80211_policy
, NULL
);
8864 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
8866 err
= PTR_ERR(rdev
);
8869 phy_idx
= rdev
->wiphy_idx
;
8871 if (attrbuf
[NL80211_ATTR_TESTDATA
])
8872 cb
->args
[1] = (long)attrbuf
[NL80211_ATTR_TESTDATA
];
8876 data
= nla_data((void *)cb
->args
[1]);
8877 data_len
= nla_len((void *)cb
->args
[1]);
8880 if (!rdev
->ops
->testmode_dump
) {
8886 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
8887 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8888 NL80211_CMD_TESTMODE
);
8889 struct nlattr
*tmdata
;
8894 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
8895 genlmsg_cancel(skb
, hdr
);
8899 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
8901 genlmsg_cancel(skb
, hdr
);
8904 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
8905 nla_nest_end(skb
, tmdata
);
8907 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
8908 genlmsg_cancel(skb
, hdr
);
8911 genlmsg_cancel(skb
, hdr
);
8915 genlmsg_end(skb
, hdr
);
8920 cb
->args
[0] = phy_idx
+ 1;
8927 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8929 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8930 struct net_device
*dev
= info
->user_ptr
[1];
8931 struct cfg80211_connect_params connect
;
8932 struct wiphy
*wiphy
;
8933 struct cfg80211_cached_keys
*connkeys
= NULL
;
8936 memset(&connect
, 0, sizeof(connect
));
8938 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8941 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8942 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8945 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8947 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8948 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8949 NL80211_CMD_CONNECT
))
8952 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8954 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8956 if (info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
] &&
8957 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8958 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
8960 connect
.want_1x
= info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
];
8962 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8963 NL80211_MAX_NR_CIPHER_SUITES
);
8967 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8968 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8971 wiphy
= &rdev
->wiphy
;
8973 connect
.bg_scan_period
= -1;
8974 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8975 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8976 connect
.bg_scan_period
=
8977 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8980 if (info
->attrs
[NL80211_ATTR_MAC
])
8981 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8982 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8983 connect
.bssid_hint
=
8984 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8985 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8986 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8988 if (info
->attrs
[NL80211_ATTR_IE
]) {
8989 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8990 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8993 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8994 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8995 if (connect
.mfp
== NL80211_MFP_OPTIONAL
&&
8996 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8997 NL80211_EXT_FEATURE_MFP_OPTIONAL
))
9000 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
9001 connect
.mfp
!= NL80211_MFP_NO
&&
9002 connect
.mfp
!= NL80211_MFP_OPTIONAL
)
9005 connect
.mfp
= NL80211_MFP_NO
;
9008 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
9009 connect
.prev_bssid
=
9010 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
9012 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9013 connect
.channel
= nl80211_get_valid_chan(
9014 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
9015 if (!connect
.channel
)
9017 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
9018 connect
.channel_hint
= nl80211_get_valid_chan(
9019 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
9020 if (!connect
.channel_hint
)
9024 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
9025 connkeys
= nl80211_parse_connkeys(rdev
,
9026 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
9027 if (IS_ERR(connkeys
))
9028 return PTR_ERR(connkeys
);
9031 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
9032 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
9034 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
9035 memcpy(&connect
.ht_capa_mask
,
9036 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
9037 sizeof(connect
.ht_capa_mask
));
9039 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
9040 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
9044 memcpy(&connect
.ht_capa
,
9045 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
9046 sizeof(connect
.ht_capa
));
9049 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
9050 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
9052 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
9053 memcpy(&connect
.vht_capa_mask
,
9054 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
9055 sizeof(connect
.vht_capa_mask
));
9057 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
9058 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
9062 memcpy(&connect
.vht_capa
,
9063 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
9064 sizeof(connect
.vht_capa
));
9067 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
9068 if (!((rdev
->wiphy
.features
&
9069 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
9070 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
9071 !wiphy_ext_feature_isset(&rdev
->wiphy
,
9072 NL80211_EXT_FEATURE_RRM
)) {
9076 connect
.flags
|= ASSOC_REQ_USE_RRM
;
9079 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
9080 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
9085 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
9086 /* bss selection makes no sense if bssid is set */
9087 if (connect
.bssid
) {
9092 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
9093 wiphy
, &connect
.bss_select
);
9100 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
9101 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
9102 info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] &&
9103 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] &&
9104 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] &&
9105 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9106 connect
.fils_erp_username
=
9107 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9108 connect
.fils_erp_username_len
=
9109 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9110 connect
.fils_erp_realm
=
9111 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9112 connect
.fils_erp_realm_len
=
9113 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9114 connect
.fils_erp_next_seq_num
=
9116 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
]);
9117 connect
.fils_erp_rrk
=
9118 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9119 connect
.fils_erp_rrk_len
=
9120 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9121 } else if (info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] ||
9122 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] ||
9123 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] ||
9124 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9129 wdev_lock(dev
->ieee80211_ptr
);
9131 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
9132 connect
.prev_bssid
);
9136 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
9137 dev
->ieee80211_ptr
->conn_owner_nlportid
= info
->snd_portid
;
9139 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
9140 connect
.bssid
, ETH_ALEN
);
9142 memset(dev
->ieee80211_ptr
->disconnect_bssid
,
9146 wdev_unlock(dev
->ieee80211_ptr
);
9151 static int nl80211_update_connect_params(struct sk_buff
*skb
,
9152 struct genl_info
*info
)
9154 struct cfg80211_connect_params connect
= {};
9155 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9156 struct net_device
*dev
= info
->user_ptr
[1];
9157 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9161 if (!rdev
->ops
->update_connect_params
)
9164 if (info
->attrs
[NL80211_ATTR_IE
]) {
9165 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9167 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9168 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9169 changed
|= UPDATE_ASSOC_IES
;
9172 wdev_lock(dev
->ieee80211_ptr
);
9173 if (!wdev
->current_bss
)
9176 ret
= rdev_update_connect_params(rdev
, dev
, &connect
, changed
);
9177 wdev_unlock(dev
->ieee80211_ptr
);
9182 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
9184 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9185 struct net_device
*dev
= info
->user_ptr
[1];
9189 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
9190 reason
= WLAN_REASON_DEAUTH_LEAVING
;
9192 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
9197 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9198 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9201 wdev_lock(dev
->ieee80211_ptr
);
9202 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
9203 wdev_unlock(dev
->ieee80211_ptr
);
9207 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
9209 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9213 if (info
->attrs
[NL80211_ATTR_PID
]) {
9214 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
9216 net
= get_net_ns_by_pid(pid
);
9217 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
9218 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
9220 net
= get_net_ns_by_fd(fd
);
9226 return PTR_ERR(net
);
9230 /* check if anything to do */
9231 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
9232 err
= cfg80211_switch_netns(rdev
, net
);
9238 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9240 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9241 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
9242 struct cfg80211_pmksa
*pmksa
) = NULL
;
9243 struct net_device
*dev
= info
->user_ptr
[1];
9244 struct cfg80211_pmksa pmksa
;
9246 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
9248 if (!info
->attrs
[NL80211_ATTR_PMKID
])
9251 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
9253 if (info
->attrs
[NL80211_ATTR_MAC
]) {
9254 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9255 } else if (info
->attrs
[NL80211_ATTR_SSID
] &&
9256 info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
] &&
9257 (info
->genlhdr
->cmd
== NL80211_CMD_DEL_PMKSA
||
9258 info
->attrs
[NL80211_ATTR_PMK
])) {
9259 pmksa
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
9260 pmksa
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
9262 nla_data(info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
]);
9266 if (info
->attrs
[NL80211_ATTR_PMK
]) {
9267 pmksa
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
9268 pmksa
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
9271 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9272 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9275 switch (info
->genlhdr
->cmd
) {
9276 case NL80211_CMD_SET_PMKSA
:
9277 rdev_ops
= rdev
->ops
->set_pmksa
;
9279 case NL80211_CMD_DEL_PMKSA
:
9280 rdev_ops
= rdev
->ops
->del_pmksa
;
9290 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
9293 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9295 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9296 struct net_device
*dev
= info
->user_ptr
[1];
9298 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9299 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9302 if (!rdev
->ops
->flush_pmksa
)
9305 return rdev_flush_pmksa(rdev
, dev
);
9308 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9310 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9311 struct net_device
*dev
= info
->user_ptr
[1];
9312 u8 action_code
, dialog_token
;
9313 u32 peer_capability
= 0;
9318 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9319 !rdev
->ops
->tdls_mgmt
)
9322 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
9323 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
9324 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
9325 !info
->attrs
[NL80211_ATTR_IE
] ||
9326 !info
->attrs
[NL80211_ATTR_MAC
])
9329 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9330 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
9331 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
9332 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
9333 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
9334 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
9336 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
9338 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
9339 dialog_token
, status_code
, peer_capability
,
9341 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
9342 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
9345 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
9347 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9348 struct net_device
*dev
= info
->user_ptr
[1];
9349 enum nl80211_tdls_operation operation
;
9352 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9353 !rdev
->ops
->tdls_oper
)
9356 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
9357 !info
->attrs
[NL80211_ATTR_MAC
])
9360 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
9361 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9363 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
9366 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
9367 struct genl_info
*info
)
9369 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9370 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9371 struct cfg80211_chan_def chandef
;
9372 const struct cfg80211_chan_def
*compat_chandef
;
9373 struct sk_buff
*msg
;
9379 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
9380 !info
->attrs
[NL80211_ATTR_DURATION
])
9383 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9385 if (!rdev
->ops
->remain_on_channel
||
9386 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
9390 * We should be on that channel for at least a minimum amount of
9391 * time (10ms) but no longer than the driver supports.
9393 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9394 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
9397 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9402 if (!cfg80211_off_channel_oper_allowed(wdev
) &&
9403 !cfg80211_chandef_identical(&wdev
->chandef
, &chandef
)) {
9404 compat_chandef
= cfg80211_chandef_compatible(&wdev
->chandef
,
9406 if (compat_chandef
!= &chandef
) {
9413 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9417 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9418 NL80211_CMD_REMAIN_ON_CHANNEL
);
9424 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
9430 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9432 goto nla_put_failure
;
9434 genlmsg_end(msg
, hdr
);
9436 return genlmsg_reply(msg
, info
);
9445 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
9446 struct genl_info
*info
)
9448 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9449 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9452 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9455 if (!rdev
->ops
->cancel_remain_on_channel
)
9458 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9460 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
9463 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
9464 struct genl_info
*info
)
9466 struct cfg80211_bitrate_mask mask
;
9467 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9468 struct net_device
*dev
= info
->user_ptr
[1];
9471 if (!rdev
->ops
->set_bitrate_mask
)
9474 err
= nl80211_parse_tx_bitrate_mask(info
, &mask
);
9478 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
9481 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9483 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9484 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9485 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
9487 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
9490 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
9491 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
9493 switch (wdev
->iftype
) {
9494 case NL80211_IFTYPE_STATION
:
9495 case NL80211_IFTYPE_ADHOC
:
9496 case NL80211_IFTYPE_P2P_CLIENT
:
9497 case NL80211_IFTYPE_AP
:
9498 case NL80211_IFTYPE_AP_VLAN
:
9499 case NL80211_IFTYPE_MESH_POINT
:
9500 case NL80211_IFTYPE_P2P_GO
:
9501 case NL80211_IFTYPE_P2P_DEVICE
:
9503 case NL80211_IFTYPE_NAN
:
9508 /* not much point in registering if we can't reply */
9509 if (!rdev
->ops
->mgmt_tx
)
9512 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
9513 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
9514 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
9517 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9519 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9520 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9521 struct cfg80211_chan_def chandef
;
9525 struct sk_buff
*msg
= NULL
;
9526 struct cfg80211_mgmt_tx_params params
= {
9527 .dont_wait_for_ack
=
9528 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
9531 if (!info
->attrs
[NL80211_ATTR_FRAME
])
9534 if (!rdev
->ops
->mgmt_tx
)
9537 switch (wdev
->iftype
) {
9538 case NL80211_IFTYPE_P2P_DEVICE
:
9539 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
9541 case NL80211_IFTYPE_STATION
:
9542 case NL80211_IFTYPE_ADHOC
:
9543 case NL80211_IFTYPE_P2P_CLIENT
:
9544 case NL80211_IFTYPE_AP
:
9545 case NL80211_IFTYPE_AP_VLAN
:
9546 case NL80211_IFTYPE_MESH_POINT
:
9547 case NL80211_IFTYPE_P2P_GO
:
9549 case NL80211_IFTYPE_NAN
:
9554 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
9555 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9557 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9560 * We should wait on the channel for at least a minimum amount
9561 * of time (10ms) but no longer than the driver supports.
9563 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9564 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
9568 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
9570 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9573 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
9575 /* get the channel if any has been specified, otherwise pass NULL to
9576 * the driver. The latter will use the current one
9578 chandef
.chan
= NULL
;
9579 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9580 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9585 if (!chandef
.chan
&& params
.offchan
)
9589 if (params
.offchan
&& !cfg80211_off_channel_oper_allowed(wdev
)) {
9595 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
9596 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
9598 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
9599 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9602 if (len
% sizeof(u16
))
9605 params
.n_csa_offsets
= len
/ sizeof(u16
);
9606 params
.csa_offsets
=
9607 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9609 /* check that all the offsets fit the frame */
9610 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
9611 if (params
.csa_offsets
[i
] >= params
.len
)
9616 if (!params
.dont_wait_for_ack
) {
9617 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9621 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9629 params
.chan
= chandef
.chan
;
9630 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
9635 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9637 goto nla_put_failure
;
9639 genlmsg_end(msg
, hdr
);
9640 return genlmsg_reply(msg
, info
);
9652 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
9654 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9655 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9658 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9661 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
9664 switch (wdev
->iftype
) {
9665 case NL80211_IFTYPE_STATION
:
9666 case NL80211_IFTYPE_ADHOC
:
9667 case NL80211_IFTYPE_P2P_CLIENT
:
9668 case NL80211_IFTYPE_AP
:
9669 case NL80211_IFTYPE_AP_VLAN
:
9670 case NL80211_IFTYPE_P2P_GO
:
9671 case NL80211_IFTYPE_P2P_DEVICE
:
9673 case NL80211_IFTYPE_NAN
:
9678 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9680 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
9683 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9685 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9686 struct wireless_dev
*wdev
;
9687 struct net_device
*dev
= info
->user_ptr
[1];
9692 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
9695 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
9697 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
9700 wdev
= dev
->ieee80211_ptr
;
9702 if (!rdev
->ops
->set_power_mgmt
)
9705 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
9707 if (state
== wdev
->ps
)
9710 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
9716 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9718 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9719 enum nl80211_ps_state ps_state
;
9720 struct wireless_dev
*wdev
;
9721 struct net_device
*dev
= info
->user_ptr
[1];
9722 struct sk_buff
*msg
;
9726 wdev
= dev
->ieee80211_ptr
;
9728 if (!rdev
->ops
->set_power_mgmt
)
9731 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9735 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9736 NL80211_CMD_GET_POWER_SAVE
);
9743 ps_state
= NL80211_PS_ENABLED
;
9745 ps_state
= NL80211_PS_DISABLED
;
9747 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
9748 goto nla_put_failure
;
9750 genlmsg_end(msg
, hdr
);
9751 return genlmsg_reply(msg
, info
);
9760 static const struct nla_policy
9761 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
9762 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_BINARY
},
9763 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
9764 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
9765 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
9766 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
9767 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
9768 [NL80211_ATTR_CQM_RSSI_LEVEL
] = { .type
= NLA_S32
},
9771 static int nl80211_set_cqm_txe(struct genl_info
*info
,
9772 u32 rate
, u32 pkts
, u32 intvl
)
9774 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9775 struct net_device
*dev
= info
->user_ptr
[1];
9776 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9778 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
9781 if (!rdev
->ops
->set_cqm_txe_config
)
9784 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9785 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9788 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
9791 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device
*rdev
,
9792 struct net_device
*dev
)
9794 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9795 s32 last
, low
, high
;
9800 /* RSSI reporting disabled? */
9801 if (!wdev
->cqm_config
)
9802 return rdev_set_cqm_rssi_range_config(rdev
, dev
, 0, 0);
9805 * Obtain current RSSI value if possible, if not and no RSSI threshold
9806 * event has been received yet, we should receive an event after a
9807 * connection is established and enough beacons received to calculate
9810 if (!wdev
->cqm_config
->last_rssi_event_value
&& wdev
->current_bss
&&
9811 rdev
->ops
->get_station
) {
9812 struct station_info sinfo
;
9815 mac_addr
= wdev
->current_bss
->pub
.bssid
;
9817 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
9821 if (sinfo
.filled
& BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
))
9822 wdev
->cqm_config
->last_rssi_event_value
=
9823 (s8
) sinfo
.rx_beacon_signal_avg
;
9826 last
= wdev
->cqm_config
->last_rssi_event_value
;
9827 hyst
= wdev
->cqm_config
->rssi_hyst
;
9828 n
= wdev
->cqm_config
->n_rssi_thresholds
;
9830 for (i
= 0; i
< n
; i
++)
9831 if (last
< wdev
->cqm_config
->rssi_thresholds
[i
])
9835 (wdev
->cqm_config
->rssi_thresholds
[i
- 1] - hyst
) : S32_MIN
;
9837 (wdev
->cqm_config
->rssi_thresholds
[i
] + hyst
- 1) : S32_MAX
;
9839 return rdev_set_cqm_rssi_range_config(rdev
, dev
, low
, high
);
9842 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
9843 const s32
*thresholds
, int n_thresholds
,
9846 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9847 struct net_device
*dev
= info
->user_ptr
[1];
9848 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9852 /* Check all values negative and sorted */
9853 for (i
= 0; i
< n_thresholds
; i
++) {
9854 if (thresholds
[i
] > 0 || thresholds
[i
] <= prev
)
9857 prev
= thresholds
[i
];
9860 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9861 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9865 cfg80211_cqm_config_free(wdev
);
9868 if (n_thresholds
<= 1 && rdev
->ops
->set_cqm_rssi_config
) {
9869 if (n_thresholds
== 0 || thresholds
[0] == 0) /* Disabling */
9870 return rdev_set_cqm_rssi_config(rdev
, dev
, 0, 0);
9872 return rdev_set_cqm_rssi_config(rdev
, dev
,
9873 thresholds
[0], hysteresis
);
9876 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
9877 NL80211_EXT_FEATURE_CQM_RSSI_LIST
))
9880 if (n_thresholds
== 1 && thresholds
[0] == 0) /* Disabling */
9885 struct cfg80211_cqm_config
*cqm_config
;
9887 cqm_config
= kzalloc(sizeof(struct cfg80211_cqm_config
) +
9888 n_thresholds
* sizeof(s32
), GFP_KERNEL
);
9894 cqm_config
->rssi_hyst
= hysteresis
;
9895 cqm_config
->n_rssi_thresholds
= n_thresholds
;
9896 memcpy(cqm_config
->rssi_thresholds
, thresholds
,
9897 n_thresholds
* sizeof(s32
));
9899 wdev
->cqm_config
= cqm_config
;
9902 err
= cfg80211_cqm_rssi_update(rdev
, dev
);
9910 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
9912 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
9916 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
9920 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
9921 nl80211_attr_cqm_policy
, info
->extack
);
9925 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9926 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9927 const s32
*thresholds
=
9928 nla_data(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9929 int len
= nla_len(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9930 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9935 return nl80211_set_cqm_rssi(info
, thresholds
, len
/ 4,
9939 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9940 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9941 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9942 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9943 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9944 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9946 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9952 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9954 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9955 struct net_device
*dev
= info
->user_ptr
[1];
9956 struct ocb_setup setup
= {};
9959 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9963 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9966 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9968 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9969 struct net_device
*dev
= info
->user_ptr
[1];
9971 return cfg80211_leave_ocb(rdev
, dev
);
9974 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9976 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9977 struct net_device
*dev
= info
->user_ptr
[1];
9978 struct mesh_config cfg
;
9979 struct mesh_setup setup
;
9982 /* start with default */
9983 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9984 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9986 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9987 /* and parse parameters if given */
9988 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9993 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9994 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9997 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9998 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
10000 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
10001 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
10002 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
10005 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
10006 setup
.beacon_interval
=
10007 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
10009 err
= cfg80211_validate_beacon_int(rdev
,
10010 NL80211_IFTYPE_MESH_POINT
,
10011 setup
.beacon_interval
);
10016 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
10017 setup
.dtim_period
=
10018 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
10019 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
10023 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
10024 /* parse additional setup parameters if given */
10025 err
= nl80211_parse_mesh_setup(info
, &setup
);
10030 if (setup
.user_mpm
)
10031 cfg
.auto_open_plinks
= false;
10033 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
10034 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
10038 /* cfg80211_join_mesh() will sort it out */
10039 setup
.chandef
.chan
= NULL
;
10042 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
10043 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10045 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10046 struct ieee80211_supported_band
*sband
;
10048 if (!setup
.chandef
.chan
)
10051 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
10053 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
10054 &setup
.basic_rates
);
10059 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
10060 err
= nl80211_parse_tx_bitrate_mask(info
, &setup
.beacon_rate
);
10064 if (!setup
.chandef
.chan
)
10067 err
= validate_beacon_tx_rate(rdev
, setup
.chandef
.chan
->band
,
10068 &setup
.beacon_rate
);
10073 setup
.userspace_handles_dfs
=
10074 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
10076 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
10079 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
10081 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10082 struct net_device
*dev
= info
->user_ptr
[1];
10084 return cfg80211_leave_mesh(rdev
, dev
);
10088 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
10089 struct cfg80211_registered_device
*rdev
)
10091 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
10092 struct nlattr
*nl_pats
, *nl_pat
;
10095 if (!wowlan
->n_patterns
)
10098 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
10102 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
10103 nl_pat
= nla_nest_start(msg
, i
+ 1);
10106 pat_len
= wowlan
->patterns
[i
].pattern_len
;
10107 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
10108 wowlan
->patterns
[i
].mask
) ||
10109 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10110 wowlan
->patterns
[i
].pattern
) ||
10111 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10112 wowlan
->patterns
[i
].pkt_offset
))
10114 nla_nest_end(msg
, nl_pat
);
10116 nla_nest_end(msg
, nl_pats
);
10121 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
10122 struct cfg80211_wowlan_tcp
*tcp
)
10124 struct nlattr
*nl_tcp
;
10129 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
10133 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
10134 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
10135 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
10136 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
10137 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
10138 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
10139 tcp
->payload_len
, tcp
->payload
) ||
10140 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
10141 tcp
->data_interval
) ||
10142 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
10143 tcp
->wake_len
, tcp
->wake_data
) ||
10144 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
10145 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
10148 if (tcp
->payload_seq
.len
&&
10149 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
10150 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
10153 if (tcp
->payload_tok
.len
&&
10154 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
10155 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
10156 &tcp
->payload_tok
))
10159 nla_nest_end(msg
, nl_tcp
);
10164 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
10165 struct cfg80211_sched_scan_request
*req
)
10167 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
10173 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
10177 if (req
->n_scan_plans
== 1 &&
10178 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
10179 req
->scan_plans
[0].interval
* 1000))
10182 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
10185 if (req
->relative_rssi_set
) {
10186 struct nl80211_bss_select_rssi_adjust rssi_adjust
;
10188 if (nla_put_s8(msg
, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
,
10189 req
->relative_rssi
))
10192 rssi_adjust
.band
= req
->rssi_adjust
.band
;
10193 rssi_adjust
.delta
= req
->rssi_adjust
.delta
;
10194 if (nla_put(msg
, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
,
10195 sizeof(rssi_adjust
), &rssi_adjust
))
10199 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10203 for (i
= 0; i
< req
->n_channels
; i
++) {
10204 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10208 nla_nest_end(msg
, freqs
);
10210 if (req
->n_match_sets
) {
10211 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
10215 for (i
= 0; i
< req
->n_match_sets
; i
++) {
10216 match
= nla_nest_start(msg
, i
);
10220 if (nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
10221 req
->match_sets
[i
].ssid
.ssid_len
,
10222 req
->match_sets
[i
].ssid
.ssid
))
10224 nla_nest_end(msg
, match
);
10226 nla_nest_end(msg
, matches
);
10229 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
10233 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
10234 scan_plan
= nla_nest_start(msg
, i
+ 1);
10239 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
10240 req
->scan_plans
[i
].interval
) ||
10241 (req
->scan_plans
[i
].iterations
&&
10242 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
10243 req
->scan_plans
[i
].iterations
)))
10245 nla_nest_end(msg
, scan_plan
);
10247 nla_nest_end(msg
, scan_plans
);
10249 nla_nest_end(msg
, nd
);
10254 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10256 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10257 struct sk_buff
*msg
;
10259 u32 size
= NLMSG_DEFAULT_SIZE
;
10261 if (!rdev
->wiphy
.wowlan
)
10262 return -EOPNOTSUPP
;
10264 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
10265 /* adjust size to have room for all the data */
10266 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
10267 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
10268 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
10269 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
10272 msg
= nlmsg_new(size
, GFP_KERNEL
);
10276 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10277 NL80211_CMD_GET_WOWLAN
);
10279 goto nla_put_failure
;
10281 if (rdev
->wiphy
.wowlan_config
) {
10282 struct nlattr
*nl_wowlan
;
10284 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
10286 goto nla_put_failure
;
10288 if ((rdev
->wiphy
.wowlan_config
->any
&&
10289 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
10290 (rdev
->wiphy
.wowlan_config
->disconnect
&&
10291 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
10292 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
10293 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
10294 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
10295 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
10296 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
10297 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
10298 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
10299 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
10300 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
10301 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
10302 goto nla_put_failure
;
10304 if (nl80211_send_wowlan_patterns(msg
, rdev
))
10305 goto nla_put_failure
;
10307 if (nl80211_send_wowlan_tcp(msg
,
10308 rdev
->wiphy
.wowlan_config
->tcp
))
10309 goto nla_put_failure
;
10311 if (nl80211_send_wowlan_nd(
10313 rdev
->wiphy
.wowlan_config
->nd_config
))
10314 goto nla_put_failure
;
10316 nla_nest_end(msg
, nl_wowlan
);
10319 genlmsg_end(msg
, hdr
);
10320 return genlmsg_reply(msg
, info
);
10327 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
10328 struct nlattr
*attr
,
10329 struct cfg80211_wowlan
*trig
)
10331 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
10332 struct cfg80211_wowlan_tcp
*cfg
;
10333 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
10334 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
10336 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
10339 if (!rdev
->wiphy
.wowlan
->tcp
)
10342 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TCP
, attr
,
10343 nl80211_wowlan_tcp_policy
, NULL
);
10347 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
10348 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
10349 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
10350 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
10351 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
10352 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
10353 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
10354 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
10357 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
10358 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
10361 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
10362 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
10363 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
10366 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
10367 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
10370 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
10371 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
10374 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
10375 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10377 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10378 tokens_size
= tokln
- sizeof(*tok
);
10380 if (!tok
->len
|| tokens_size
% tok
->len
)
10382 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
10384 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
10386 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
10388 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
10390 if (tok
->offset
+ tok
->len
> data_size
)
10394 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
10395 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
10396 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
10398 if (seq
->len
== 0 || seq
->len
> 4)
10400 if (seq
->len
+ seq
->offset
> data_size
)
10404 size
= sizeof(*cfg
);
10406 size
+= wake_size
+ wake_mask_size
;
10407 size
+= tokens_size
;
10409 cfg
= kzalloc(size
, GFP_KERNEL
);
10412 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
10413 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
10414 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
10416 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
10417 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
10421 /* allocate a socket and port for it and use it */
10422 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
10423 IPPROTO_TCP
, &cfg
->sock
, 1);
10428 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
10429 sock_release(cfg
->sock
);
10431 return -EADDRINUSE
;
10433 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
10439 cfg
->src_port
= port
;
10442 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
10443 cfg
->payload_len
= data_size
;
10444 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
10445 memcpy((void *)cfg
->payload
,
10446 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
10449 cfg
->payload_seq
= *seq
;
10450 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
10451 cfg
->wake_len
= wake_size
;
10452 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
10453 memcpy((void *)cfg
->wake_data
,
10454 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
10456 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
10457 data_size
+ wake_size
;
10458 memcpy((void *)cfg
->wake_mask
,
10459 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
10462 cfg
->tokens_size
= tokens_size
;
10463 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
10471 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
10472 const struct wiphy_wowlan_support
*wowlan
,
10473 struct nlattr
*attr
,
10474 struct cfg80211_wowlan
*trig
)
10476 struct nlattr
**tb
;
10479 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
10483 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
10488 err
= nla_parse_nested(tb
, NL80211_ATTR_MAX
, attr
, nl80211_policy
,
10493 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
,
10494 wowlan
->max_nd_match_sets
);
10495 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
10497 trig
->nd_config
= NULL
;
10504 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10506 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10507 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
10508 struct cfg80211_wowlan new_triggers
= {};
10509 struct cfg80211_wowlan
*ntrig
;
10510 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
10512 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
10513 bool regular
= false;
10516 return -EOPNOTSUPP
;
10518 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
10519 cfg80211_rdev_free_wowlan(rdev
);
10520 rdev
->wiphy
.wowlan_config
= NULL
;
10524 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TRIG
,
10525 info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
],
10526 nl80211_wowlan_policy
, info
->extack
);
10530 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
10531 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
10533 new_triggers
.any
= true;
10536 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
10537 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
10539 new_triggers
.disconnect
= true;
10543 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
10544 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
10546 new_triggers
.magic_pkt
= true;
10550 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
10553 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
10554 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
10556 new_triggers
.gtk_rekey_failure
= true;
10560 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
10561 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
10563 new_triggers
.eap_identity_req
= true;
10567 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
10568 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
10570 new_triggers
.four_way_handshake
= true;
10574 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
10575 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
10577 new_triggers
.rfkill_release
= true;
10581 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
10582 struct nlattr
*pat
;
10583 int n_patterns
= 0;
10584 int rem
, pat_len
, mask_len
, pkt_offset
;
10585 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10589 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10592 if (n_patterns
> wowlan
->n_patterns
)
10595 new_triggers
.patterns
= kcalloc(n_patterns
,
10596 sizeof(new_triggers
.patterns
[0]),
10598 if (!new_triggers
.patterns
)
10601 new_triggers
.n_patterns
= n_patterns
;
10604 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10608 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10609 nl80211_packet_pattern_policy
,
10612 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10613 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10615 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10616 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10617 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10619 if (pat_len
> wowlan
->pattern_max_len
||
10620 pat_len
< wowlan
->pattern_min_len
)
10623 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10626 pkt_offset
= nla_get_u32(
10627 pat_tb
[NL80211_PKTPAT_OFFSET
]);
10628 if (pkt_offset
> wowlan
->max_pkt_offset
)
10630 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
10632 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10637 new_triggers
.patterns
[i
].mask
= mask_pat
;
10638 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10640 mask_pat
+= mask_len
;
10641 new_triggers
.patterns
[i
].pattern
= mask_pat
;
10642 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
10644 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10650 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
10652 err
= nl80211_parse_wowlan_tcp(
10653 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
10659 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
10661 err
= nl80211_parse_wowlan_nd(
10662 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
10668 /* The 'any' trigger means the device continues operating more or less
10669 * as in its normal operation mode and wakes up the host on most of the
10670 * normal interrupts (like packet RX, ...)
10671 * It therefore makes little sense to combine with the more constrained
10672 * wakeup trigger modes.
10674 if (new_triggers
.any
&& regular
) {
10679 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
10684 cfg80211_rdev_free_wowlan(rdev
);
10685 rdev
->wiphy
.wowlan_config
= ntrig
;
10688 if (rdev
->ops
->set_wakeup
&&
10689 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
10690 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
10694 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
10695 kfree(new_triggers
.patterns
[i
].mask
);
10696 kfree(new_triggers
.patterns
);
10697 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
10698 sock_release(new_triggers
.tcp
->sock
);
10699 kfree(new_triggers
.tcp
);
10700 kfree(new_triggers
.nd_config
);
10705 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
10706 struct cfg80211_registered_device
*rdev
)
10708 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
10710 struct cfg80211_coalesce_rules
*rule
;
10712 if (!rdev
->coalesce
->n_rules
)
10715 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
10719 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
10720 nl_rule
= nla_nest_start(msg
, i
+ 1);
10724 rule
= &rdev
->coalesce
->rules
[i
];
10725 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
10729 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
10733 nl_pats
= nla_nest_start(msg
,
10734 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
10738 for (j
= 0; j
< rule
->n_patterns
; j
++) {
10739 nl_pat
= nla_nest_start(msg
, j
+ 1);
10742 pat_len
= rule
->patterns
[j
].pattern_len
;
10743 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
10744 DIV_ROUND_UP(pat_len
, 8),
10745 rule
->patterns
[j
].mask
) ||
10746 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10747 rule
->patterns
[j
].pattern
) ||
10748 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10749 rule
->patterns
[j
].pkt_offset
))
10751 nla_nest_end(msg
, nl_pat
);
10753 nla_nest_end(msg
, nl_pats
);
10754 nla_nest_end(msg
, nl_rule
);
10756 nla_nest_end(msg
, nl_rules
);
10761 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10763 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10764 struct sk_buff
*msg
;
10767 if (!rdev
->wiphy
.coalesce
)
10768 return -EOPNOTSUPP
;
10770 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10774 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10775 NL80211_CMD_GET_COALESCE
);
10777 goto nla_put_failure
;
10779 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
10780 goto nla_put_failure
;
10782 genlmsg_end(msg
, hdr
);
10783 return genlmsg_reply(msg
, info
);
10790 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
10792 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
10794 struct cfg80211_coalesce_rules
*rule
;
10799 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
10800 rule
= &coalesce
->rules
[i
];
10801 for (j
= 0; j
< rule
->n_patterns
; j
++)
10802 kfree(rule
->patterns
[j
].mask
);
10803 kfree(rule
->patterns
);
10805 kfree(coalesce
->rules
);
10807 rdev
->coalesce
= NULL
;
10810 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
10811 struct nlattr
*rule
,
10812 struct cfg80211_coalesce_rules
*new_rule
)
10815 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10816 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
10817 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
10818 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10820 err
= nla_parse_nested(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, rule
,
10821 nl80211_coalesce_policy
, NULL
);
10825 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
10827 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
10828 if (new_rule
->delay
> coalesce
->max_delay
)
10831 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
10832 new_rule
->condition
=
10833 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
10834 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
10835 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
10838 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
10841 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10844 if (n_patterns
> coalesce
->n_patterns
)
10847 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
10849 if (!new_rule
->patterns
)
10852 new_rule
->n_patterns
= n_patterns
;
10855 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10859 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10860 nl80211_packet_pattern_policy
, NULL
);
10861 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10862 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10864 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10865 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10866 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10868 if (pat_len
> coalesce
->pattern_max_len
||
10869 pat_len
< coalesce
->pattern_min_len
)
10872 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10875 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
10876 if (pkt_offset
> coalesce
->max_pkt_offset
)
10878 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
10880 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10884 new_rule
->patterns
[i
].mask
= mask_pat
;
10885 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10888 mask_pat
+= mask_len
;
10889 new_rule
->patterns
[i
].pattern
= mask_pat
;
10890 new_rule
->patterns
[i
].pattern_len
= pat_len
;
10891 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10899 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10901 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10902 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10903 struct cfg80211_coalesce new_coalesce
= {};
10904 struct cfg80211_coalesce
*n_coalesce
;
10905 int err
, rem_rule
, n_rules
= 0, i
, j
;
10906 struct nlattr
*rule
;
10907 struct cfg80211_coalesce_rules
*tmp_rule
;
10909 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
10910 return -EOPNOTSUPP
;
10912 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
10913 cfg80211_rdev_free_coalesce(rdev
);
10914 rdev_set_coalesce(rdev
, NULL
);
10918 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10921 if (n_rules
> coalesce
->n_rules
)
10924 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
10926 if (!new_coalesce
.rules
)
10929 new_coalesce
.n_rules
= n_rules
;
10932 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10934 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
10935 &new_coalesce
.rules
[i
]);
10942 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
10946 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
10951 cfg80211_rdev_free_coalesce(rdev
);
10952 rdev
->coalesce
= n_coalesce
;
10956 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
10957 tmp_rule
= &new_coalesce
.rules
[i
];
10958 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
10959 kfree(tmp_rule
->patterns
[j
].mask
);
10960 kfree(tmp_rule
->patterns
);
10962 kfree(new_coalesce
.rules
);
10967 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
10969 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10970 struct net_device
*dev
= info
->user_ptr
[1];
10971 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10972 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
10973 struct cfg80211_gtk_rekey_data rekey_data
;
10976 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10979 err
= nla_parse_nested(tb
, MAX_NL80211_REKEY_DATA
,
10980 info
->attrs
[NL80211_ATTR_REKEY_DATA
],
10981 nl80211_rekey_policy
, info
->extack
);
10985 if (!tb
[NL80211_REKEY_DATA_REPLAY_CTR
] || !tb
[NL80211_REKEY_DATA_KEK
] ||
10986 !tb
[NL80211_REKEY_DATA_KCK
])
10988 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10990 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10992 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10995 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10996 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10997 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
11000 if (!wdev
->current_bss
) {
11005 if (!rdev
->ops
->set_rekey_data
) {
11010 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
11016 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
11017 struct genl_info
*info
)
11019 struct net_device
*dev
= info
->user_ptr
[1];
11020 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11022 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11023 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11026 if (wdev
->ap_unexpected_nlportid
)
11029 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
11033 static int nl80211_probe_client(struct sk_buff
*skb
,
11034 struct genl_info
*info
)
11036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11037 struct net_device
*dev
= info
->user_ptr
[1];
11038 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11039 struct sk_buff
*msg
;
11045 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11046 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11047 return -EOPNOTSUPP
;
11049 if (!info
->attrs
[NL80211_ATTR_MAC
])
11052 if (!rdev
->ops
->probe_client
)
11053 return -EOPNOTSUPP
;
11055 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11059 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11060 NL80211_CMD_PROBE_CLIENT
);
11066 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11068 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
11072 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11074 goto nla_put_failure
;
11076 genlmsg_end(msg
, hdr
);
11078 return genlmsg_reply(msg
, info
);
11087 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
11089 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11090 struct cfg80211_beacon_registration
*reg
, *nreg
;
11093 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
11094 return -EOPNOTSUPP
;
11096 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
11100 /* First, check if already registered. */
11101 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11102 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11103 if (reg
->nlportid
== info
->snd_portid
) {
11108 /* Add it to the list */
11109 nreg
->nlportid
= info
->snd_portid
;
11110 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
11112 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11116 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11121 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11123 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11124 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11127 if (!rdev
->ops
->start_p2p_device
)
11128 return -EOPNOTSUPP
;
11130 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11131 return -EOPNOTSUPP
;
11133 if (wdev_running(wdev
))
11136 if (rfkill_blocked(rdev
->rfkill
))
11139 err
= rdev_start_p2p_device(rdev
, wdev
);
11143 wdev
->is_running
= true;
11149 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11151 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11152 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11154 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11155 return -EOPNOTSUPP
;
11157 if (!rdev
->ops
->stop_p2p_device
)
11158 return -EOPNOTSUPP
;
11160 cfg80211_stop_p2p_device(rdev
, wdev
);
11165 static int nl80211_start_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11167 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11168 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11169 struct cfg80211_nan_conf conf
= {};
11172 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11173 return -EOPNOTSUPP
;
11175 if (wdev_running(wdev
))
11178 if (rfkill_blocked(rdev
->rfkill
))
11181 if (!info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
])
11185 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11186 if (!conf
.master_pref
)
11189 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11190 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11192 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11193 return -EOPNOTSUPP
;
11195 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11198 conf
.bands
= bands
;
11201 err
= rdev_start_nan(rdev
, wdev
, &conf
);
11205 wdev
->is_running
= true;
11211 static int nl80211_stop_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11213 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11214 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11216 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11217 return -EOPNOTSUPP
;
11219 cfg80211_stop_nan(rdev
, wdev
);
11224 static int validate_nan_filter(struct nlattr
*filter_attr
)
11226 struct nlattr
*attr
;
11227 int len
= 0, n_entries
= 0, rem
;
11229 nla_for_each_nested(attr
, filter_attr
, rem
) {
11230 len
+= nla_len(attr
);
11240 static int handle_nan_filter(struct nlattr
*attr_filter
,
11241 struct cfg80211_nan_func
*func
,
11244 struct nlattr
*attr
;
11245 int n_entries
, rem
, i
;
11246 struct cfg80211_nan_func_filter
*filter
;
11248 n_entries
= validate_nan_filter(attr_filter
);
11252 BUILD_BUG_ON(sizeof(*func
->rx_filters
) != sizeof(*func
->tx_filters
));
11254 filter
= kcalloc(n_entries
, sizeof(*func
->rx_filters
), GFP_KERNEL
);
11259 nla_for_each_nested(attr
, attr_filter
, rem
) {
11260 filter
[i
].filter
= nla_memdup(attr
, GFP_KERNEL
);
11261 filter
[i
].len
= nla_len(attr
);
11265 func
->num_tx_filters
= n_entries
;
11266 func
->tx_filters
= filter
;
11268 func
->num_rx_filters
= n_entries
;
11269 func
->rx_filters
= filter
;
11275 static int nl80211_nan_add_func(struct sk_buff
*skb
,
11276 struct genl_info
*info
)
11278 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11279 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11280 struct nlattr
*tb
[NUM_NL80211_NAN_FUNC_ATTR
], *func_attr
;
11281 struct cfg80211_nan_func
*func
;
11282 struct sk_buff
*msg
= NULL
;
11286 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11287 return -EOPNOTSUPP
;
11289 if (!wdev_running(wdev
))
11292 if (!info
->attrs
[NL80211_ATTR_NAN_FUNC
])
11295 err
= nla_parse_nested(tb
, NL80211_NAN_FUNC_ATTR_MAX
,
11296 info
->attrs
[NL80211_ATTR_NAN_FUNC
],
11297 nl80211_nan_func_policy
, info
->extack
);
11301 func
= kzalloc(sizeof(*func
), GFP_KERNEL
);
11305 func
->cookie
= wdev
->wiphy
->cookie_counter
++;
11307 if (!tb
[NL80211_NAN_FUNC_TYPE
] ||
11308 nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]) > NL80211_NAN_FUNC_MAX_TYPE
) {
11314 func
->type
= nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]);
11316 if (!tb
[NL80211_NAN_FUNC_SERVICE_ID
]) {
11321 memcpy(func
->service_id
, nla_data(tb
[NL80211_NAN_FUNC_SERVICE_ID
]),
11322 sizeof(func
->service_id
));
11324 func
->close_range
=
11325 nla_get_flag(tb
[NL80211_NAN_FUNC_CLOSE_RANGE
]);
11327 if (tb
[NL80211_NAN_FUNC_SERVICE_INFO
]) {
11328 func
->serv_spec_info_len
=
11329 nla_len(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]);
11330 func
->serv_spec_info
=
11331 kmemdup(nla_data(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]),
11332 func
->serv_spec_info_len
,
11334 if (!func
->serv_spec_info
) {
11340 if (tb
[NL80211_NAN_FUNC_TTL
])
11341 func
->ttl
= nla_get_u32(tb
[NL80211_NAN_FUNC_TTL
]);
11343 switch (func
->type
) {
11344 case NL80211_NAN_FUNC_PUBLISH
:
11345 if (!tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]) {
11350 func
->publish_type
=
11351 nla_get_u8(tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]);
11352 func
->publish_bcast
=
11353 nla_get_flag(tb
[NL80211_NAN_FUNC_PUBLISH_BCAST
]);
11355 if ((!(func
->publish_type
& NL80211_NAN_SOLICITED_PUBLISH
)) &&
11356 func
->publish_bcast
) {
11361 case NL80211_NAN_FUNC_SUBSCRIBE
:
11362 func
->subscribe_active
=
11363 nla_get_flag(tb
[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
]);
11365 case NL80211_NAN_FUNC_FOLLOW_UP
:
11366 if (!tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
] ||
11367 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
] ||
11368 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]) {
11373 func
->followup_id
=
11374 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
]);
11375 func
->followup_reqid
=
11376 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]);
11377 memcpy(func
->followup_dest
.addr
,
11378 nla_data(tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]),
11379 sizeof(func
->followup_dest
.addr
));
11390 if (tb
[NL80211_NAN_FUNC_SRF
]) {
11391 struct nlattr
*srf_tb
[NUM_NL80211_NAN_SRF_ATTR
];
11393 err
= nla_parse_nested(srf_tb
, NL80211_NAN_SRF_ATTR_MAX
,
11394 tb
[NL80211_NAN_FUNC_SRF
],
11395 nl80211_nan_srf_policy
, info
->extack
);
11399 func
->srf_include
=
11400 nla_get_flag(srf_tb
[NL80211_NAN_SRF_INCLUDE
]);
11402 if (srf_tb
[NL80211_NAN_SRF_BF
]) {
11403 if (srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
] ||
11404 !srf_tb
[NL80211_NAN_SRF_BF_IDX
]) {
11410 nla_len(srf_tb
[NL80211_NAN_SRF_BF
]);
11412 kmemdup(nla_data(srf_tb
[NL80211_NAN_SRF_BF
]),
11413 func
->srf_bf_len
, GFP_KERNEL
);
11414 if (!func
->srf_bf
) {
11420 nla_get_u8(srf_tb
[NL80211_NAN_SRF_BF_IDX
]);
11422 struct nlattr
*attr
, *mac_attr
=
11423 srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
];
11424 int n_entries
, rem
, i
= 0;
11431 n_entries
= validate_acl_mac_addrs(mac_attr
);
11432 if (n_entries
<= 0) {
11437 func
->srf_num_macs
= n_entries
;
11439 kzalloc(sizeof(*func
->srf_macs
) * n_entries
,
11441 if (!func
->srf_macs
) {
11446 nla_for_each_nested(attr
, mac_attr
, rem
)
11447 memcpy(func
->srf_macs
[i
++].addr
, nla_data(attr
),
11448 sizeof(*func
->srf_macs
));
11452 if (tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
]) {
11453 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
],
11459 if (tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
]) {
11460 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
],
11466 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11472 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11473 NL80211_CMD_ADD_NAN_FUNCTION
);
11474 /* This can't really happen - we just allocated 4KB */
11475 if (WARN_ON(!hdr
)) {
11480 err
= rdev_add_nan_func(rdev
, wdev
, func
);
11483 cfg80211_free_nan_func(func
);
11488 /* propagate the instance id and cookie to userspace */
11489 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, func
->cookie
,
11491 goto nla_put_failure
;
11493 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11495 goto nla_put_failure
;
11497 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
,
11498 func
->instance_id
))
11499 goto nla_put_failure
;
11501 nla_nest_end(msg
, func_attr
);
11503 genlmsg_end(msg
, hdr
);
11504 return genlmsg_reply(msg
, info
);
11511 static int nl80211_nan_del_func(struct sk_buff
*skb
,
11512 struct genl_info
*info
)
11514 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11515 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11518 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11519 return -EOPNOTSUPP
;
11521 if (!wdev_running(wdev
))
11524 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
11527 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
11529 rdev_del_nan_func(rdev
, wdev
, cookie
);
11534 static int nl80211_nan_change_config(struct sk_buff
*skb
,
11535 struct genl_info
*info
)
11537 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11538 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11539 struct cfg80211_nan_conf conf
= {};
11542 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11543 return -EOPNOTSUPP
;
11545 if (!wdev_running(wdev
))
11548 if (info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]) {
11550 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11551 if (conf
.master_pref
<= 1 || conf
.master_pref
== 255)
11554 changed
|= CFG80211_NAN_CONF_CHANGED_PREF
;
11557 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11558 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11560 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11561 return -EOPNOTSUPP
;
11563 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11566 conf
.bands
= bands
;
11567 changed
|= CFG80211_NAN_CONF_CHANGED_BANDS
;
11573 return rdev_nan_change_conf(rdev
, wdev
, &conf
, changed
);
11576 void cfg80211_nan_match(struct wireless_dev
*wdev
,
11577 struct cfg80211_nan_match_params
*match
, gfp_t gfp
)
11579 struct wiphy
*wiphy
= wdev
->wiphy
;
11580 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11581 struct nlattr
*match_attr
, *local_func_attr
, *peer_func_attr
;
11582 struct sk_buff
*msg
;
11585 if (WARN_ON(!match
->inst_id
|| !match
->peer_inst_id
|| !match
->addr
))
11588 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11592 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NAN_MATCH
);
11598 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11599 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11600 wdev
->netdev
->ifindex
)) ||
11601 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11603 goto nla_put_failure
;
11605 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, match
->cookie
,
11606 NL80211_ATTR_PAD
) ||
11607 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, match
->addr
))
11608 goto nla_put_failure
;
11610 match_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_MATCH
);
11612 goto nla_put_failure
;
11614 local_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_LOCAL
);
11615 if (!local_func_attr
)
11616 goto nla_put_failure
;
11618 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->inst_id
))
11619 goto nla_put_failure
;
11621 nla_nest_end(msg
, local_func_attr
);
11623 peer_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_PEER
);
11624 if (!peer_func_attr
)
11625 goto nla_put_failure
;
11627 if (nla_put_u8(msg
, NL80211_NAN_FUNC_TYPE
, match
->type
) ||
11628 nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->peer_inst_id
))
11629 goto nla_put_failure
;
11631 if (match
->info
&& match
->info_len
&&
11632 nla_put(msg
, NL80211_NAN_FUNC_SERVICE_INFO
, match
->info_len
,
11634 goto nla_put_failure
;
11636 nla_nest_end(msg
, peer_func_attr
);
11637 nla_nest_end(msg
, match_attr
);
11638 genlmsg_end(msg
, hdr
);
11640 if (!wdev
->owner_nlportid
)
11641 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11642 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11644 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11645 wdev
->owner_nlportid
);
11652 EXPORT_SYMBOL(cfg80211_nan_match
);
11654 void cfg80211_nan_func_terminated(struct wireless_dev
*wdev
,
11656 enum nl80211_nan_func_term_reason reason
,
11657 u64 cookie
, gfp_t gfp
)
11659 struct wiphy
*wiphy
= wdev
->wiphy
;
11660 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11661 struct sk_buff
*msg
;
11662 struct nlattr
*func_attr
;
11665 if (WARN_ON(!inst_id
))
11668 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11672 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION
);
11678 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11679 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11680 wdev
->netdev
->ifindex
)) ||
11681 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11683 goto nla_put_failure
;
11685 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11687 goto nla_put_failure
;
11689 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11691 goto nla_put_failure
;
11693 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, inst_id
) ||
11694 nla_put_u8(msg
, NL80211_NAN_FUNC_TERM_REASON
, reason
))
11695 goto nla_put_failure
;
11697 nla_nest_end(msg
, func_attr
);
11698 genlmsg_end(msg
, hdr
);
11700 if (!wdev
->owner_nlportid
)
11701 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11702 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11704 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11705 wdev
->owner_nlportid
);
11712 EXPORT_SYMBOL(cfg80211_nan_func_terminated
);
11714 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
11715 struct genl_info
*info
)
11718 struct sk_buff
*msg
;
11720 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11724 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11725 NL80211_CMD_GET_PROTOCOL_FEATURES
);
11727 goto nla_put_failure
;
11729 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
11730 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
11731 goto nla_put_failure
;
11733 genlmsg_end(msg
, hdr
);
11734 return genlmsg_reply(msg
, info
);
11741 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
11743 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11744 struct cfg80211_update_ft_ies_params ft_params
;
11745 struct net_device
*dev
= info
->user_ptr
[1];
11747 if (!rdev
->ops
->update_ft_ies
)
11748 return -EOPNOTSUPP
;
11750 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
11751 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
11754 memset(&ft_params
, 0, sizeof(ft_params
));
11755 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
11756 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
11757 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
11759 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
11762 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
11763 struct genl_info
*info
)
11765 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11766 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11767 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
11771 if (!rdev
->ops
->crit_proto_start
)
11772 return -EOPNOTSUPP
;
11774 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
11777 if (rdev
->crit_proto_nlportid
)
11780 /* determine protocol if provided */
11781 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
11782 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
11784 if (proto
>= NUM_NL80211_CRIT_PROTO
)
11787 /* timeout must be provided */
11788 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
11792 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
11794 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
11797 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
11799 rdev
->crit_proto_nlportid
= info
->snd_portid
;
11804 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
11805 struct genl_info
*info
)
11807 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11808 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11810 if (!rdev
->ops
->crit_proto_stop
)
11811 return -EOPNOTSUPP
;
11813 if (rdev
->crit_proto_nlportid
) {
11814 rdev
->crit_proto_nlportid
= 0;
11815 rdev_crit_proto_stop(rdev
, wdev
);
11820 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
11822 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11823 struct wireless_dev
*wdev
=
11824 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
11828 if (!rdev
->wiphy
.vendor_commands
)
11829 return -EOPNOTSUPP
;
11831 if (IS_ERR(wdev
)) {
11832 err
= PTR_ERR(wdev
);
11833 if (err
!= -EINVAL
)
11836 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
11840 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
11841 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
11844 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
11845 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
11846 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
11847 const struct wiphy_vendor_command
*vcmd
;
11851 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
11853 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11856 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11857 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11860 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11864 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11865 if (!wdev_running(wdev
))
11870 return -EOPNOTSUPP
;
11875 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
11876 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11877 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11880 rdev
->cur_cmd_info
= info
;
11881 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
11883 rdev
->cur_cmd_info
= NULL
;
11887 return -EOPNOTSUPP
;
11890 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
11891 struct netlink_callback
*cb
,
11892 struct cfg80211_registered_device
**rdev
,
11893 struct wireless_dev
**wdev
)
11895 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
11901 unsigned int data_len
= 0;
11904 /* subtract the 1 again here */
11905 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
11906 struct wireless_dev
*tmp
;
11910 *rdev
= wiphy_to_rdev(wiphy
);
11914 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
11915 if (tmp
->identifier
== cb
->args
[1] - 1) {
11922 /* keep rtnl locked in successful case */
11926 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, attrbuf
,
11927 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
11931 if (!attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
11932 !attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
])
11935 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11939 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11941 return PTR_ERR(*rdev
);
11943 vid
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_ID
]);
11944 subcmd
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
11946 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
11947 const struct wiphy_vendor_command
*vcmd
;
11949 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
11951 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11955 return -EOPNOTSUPP
;
11962 return -EOPNOTSUPP
;
11964 if (attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
11965 data
= nla_data(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11966 data_len
= nla_len(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11969 /* 0 is the first index - add 1 to parse only once */
11970 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
11971 /* add 1 to know if it was NULL */
11972 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
11973 cb
->args
[2] = vcmd_idx
;
11974 cb
->args
[3] = (unsigned long)data
;
11975 cb
->args
[4] = data_len
;
11977 /* keep rtnl locked in successful case */
11981 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
11982 struct netlink_callback
*cb
)
11984 struct cfg80211_registered_device
*rdev
;
11985 struct wireless_dev
*wdev
;
11986 unsigned int vcmd_idx
;
11987 const struct wiphy_vendor_command
*vcmd
;
11991 struct nlattr
*vendor_data
;
11994 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
11998 vcmd_idx
= cb
->args
[2];
11999 data
= (void *)cb
->args
[3];
12000 data_len
= cb
->args
[4];
12001 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
12003 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
12004 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
12009 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
12015 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
12016 if (!wdev_running(wdev
)) {
12024 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
12025 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
12026 NL80211_CMD_VENDOR
);
12030 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12031 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
12033 NL80211_ATTR_PAD
))) {
12034 genlmsg_cancel(skb
, hdr
);
12038 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
12039 if (!vendor_data
) {
12040 genlmsg_cancel(skb
, hdr
);
12044 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
12045 (unsigned long *)&cb
->args
[5]);
12046 nla_nest_end(skb
, vendor_data
);
12048 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
12049 genlmsg_cancel(skb
, hdr
);
12052 genlmsg_cancel(skb
, hdr
);
12056 genlmsg_end(skb
, hdr
);
12065 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
12066 enum nl80211_commands cmd
,
12067 enum nl80211_attrs attr
,
12070 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12072 if (WARN_ON(!rdev
->cur_cmd_info
))
12075 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
12076 rdev
->cur_cmd_info
->snd_portid
,
12077 rdev
->cur_cmd_info
->snd_seq
,
12078 cmd
, attr
, NULL
, GFP_KERNEL
);
12080 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
12082 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
12084 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
12085 void *hdr
= ((void **)skb
->cb
)[1];
12086 struct nlattr
*data
= ((void **)skb
->cb
)[2];
12088 /* clear CB data for netlink core to own from now on */
12089 memset(skb
->cb
, 0, sizeof(skb
->cb
));
12091 if (WARN_ON(!rdev
->cur_cmd_info
)) {
12096 nla_nest_end(skb
, data
);
12097 genlmsg_end(skb
, hdr
);
12098 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
12100 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
12102 static int nl80211_set_qos_map(struct sk_buff
*skb
,
12103 struct genl_info
*info
)
12105 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12106 struct cfg80211_qos_map
*qos_map
= NULL
;
12107 struct net_device
*dev
= info
->user_ptr
[1];
12108 u8
*pos
, len
, num_des
, des_len
, des
;
12111 if (!rdev
->ops
->set_qos_map
)
12112 return -EOPNOTSUPP
;
12114 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
12115 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12116 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12118 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
12119 len
> IEEE80211_QOS_MAP_LEN_MAX
)
12122 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
12126 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
12128 des_len
= num_des
*
12129 sizeof(struct cfg80211_dscp_exception
);
12130 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
12131 qos_map
->num_des
= num_des
;
12132 for (des
= 0; des
< num_des
; des
++) {
12133 if (qos_map
->dscp_exception
[des
].up
> 7) {
12140 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
12143 wdev_lock(dev
->ieee80211_ptr
);
12144 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
12146 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
12147 wdev_unlock(dev
->ieee80211_ptr
);
12153 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12155 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12156 struct net_device
*dev
= info
->user_ptr
[1];
12157 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12160 u16 admitted_time
= 0;
12163 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
12164 return -EOPNOTSUPP
;
12166 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
12167 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
12170 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12171 if (tsid
>= IEEE80211_NUM_TIDS
)
12174 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
12175 if (up
>= IEEE80211_NUM_UPS
)
12178 /* WMM uses TIDs 0-7 even for TSPEC */
12179 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
12180 /* TODO: handle 802.11 TSPEC/admission control
12181 * need more attributes for that (e.g. BA session requirement);
12182 * change the WMM adminssion test above to allow both then
12187 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12189 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
12191 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
12192 if (!admitted_time
)
12197 switch (wdev
->iftype
) {
12198 case NL80211_IFTYPE_STATION
:
12199 case NL80211_IFTYPE_P2P_CLIENT
:
12200 if (wdev
->current_bss
)
12209 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
12216 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12218 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12219 struct net_device
*dev
= info
->user_ptr
[1];
12220 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12225 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
12228 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12229 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12232 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
12238 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
12239 struct genl_info
*info
)
12241 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12242 struct net_device
*dev
= info
->user_ptr
[1];
12243 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12244 struct cfg80211_chan_def chandef
= {};
12249 if (!rdev
->ops
->tdls_channel_switch
||
12250 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12251 return -EOPNOTSUPP
;
12253 switch (dev
->ieee80211_ptr
->iftype
) {
12254 case NL80211_IFTYPE_STATION
:
12255 case NL80211_IFTYPE_P2P_CLIENT
:
12258 return -EOPNOTSUPP
;
12261 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
12262 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
12265 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
12270 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
12271 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
12272 * specification is not defined for them.
12274 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
12275 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
12276 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
12279 /* we will be active on the TDLS link */
12280 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
12284 /* don't allow switching to DFS channels */
12285 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
12288 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12289 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
12292 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
12298 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
12299 struct genl_info
*info
)
12301 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12302 struct net_device
*dev
= info
->user_ptr
[1];
12303 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12306 if (!rdev
->ops
->tdls_channel_switch
||
12307 !rdev
->ops
->tdls_cancel_channel_switch
||
12308 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12309 return -EOPNOTSUPP
;
12311 switch (dev
->ieee80211_ptr
->iftype
) {
12312 case NL80211_IFTYPE_STATION
:
12313 case NL80211_IFTYPE_P2P_CLIENT
:
12316 return -EOPNOTSUPP
;
12319 if (!info
->attrs
[NL80211_ATTR_MAC
])
12322 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12325 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
12331 static int nl80211_set_multicast_to_unicast(struct sk_buff
*skb
,
12332 struct genl_info
*info
)
12334 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12335 struct net_device
*dev
= info
->user_ptr
[1];
12336 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12337 const struct nlattr
*nla
;
12340 if (!rdev
->ops
->set_multicast_to_unicast
)
12341 return -EOPNOTSUPP
;
12343 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12344 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
12345 return -EOPNOTSUPP
;
12347 nla
= info
->attrs
[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
];
12348 enabled
= nla_get_flag(nla
);
12350 return rdev_set_multicast_to_unicast(rdev
, dev
, enabled
);
12353 static int nl80211_set_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12355 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12356 struct net_device
*dev
= info
->user_ptr
[1];
12357 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12358 struct cfg80211_pmk_conf pmk_conf
= {};
12361 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12362 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12363 return -EOPNOTSUPP
;
12365 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12366 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12367 return -EOPNOTSUPP
;
12369 if (!info
->attrs
[NL80211_ATTR_MAC
] || !info
->attrs
[NL80211_ATTR_PMK
])
12373 if (!wdev
->current_bss
) {
12378 pmk_conf
.aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12379 if (memcmp(pmk_conf
.aa
, wdev
->current_bss
->pub
.bssid
, ETH_ALEN
)) {
12384 pmk_conf
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
12385 pmk_conf
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
12386 if (pmk_conf
.pmk_len
!= WLAN_PMK_LEN
&&
12387 pmk_conf
.pmk_len
!= WLAN_PMK_LEN_SUITE_B_192
) {
12392 if (info
->attrs
[NL80211_ATTR_PMKR0_NAME
]) {
12393 int r0_name_len
= nla_len(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12395 if (r0_name_len
!= WLAN_PMK_NAME_LEN
) {
12400 pmk_conf
.pmk_r0_name
=
12401 nla_data(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12404 ret
= rdev_set_pmk(rdev
, dev
, &pmk_conf
);
12410 static int nl80211_del_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12412 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12413 struct net_device
*dev
= info
->user_ptr
[1];
12414 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12418 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12419 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12420 return -EOPNOTSUPP
;
12422 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12423 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12424 return -EOPNOTSUPP
;
12426 if (!info
->attrs
[NL80211_ATTR_MAC
])
12430 aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12431 ret
= rdev_del_pmk(rdev
, dev
, aa
);
12437 #define NL80211_FLAG_NEED_WIPHY 0x01
12438 #define NL80211_FLAG_NEED_NETDEV 0x02
12439 #define NL80211_FLAG_NEED_RTNL 0x04
12440 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
12441 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
12442 NL80211_FLAG_CHECK_NETDEV_UP)
12443 #define NL80211_FLAG_NEED_WDEV 0x10
12444 /* If a netdev is associated, it must be UP, P2P must be started */
12445 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
12446 NL80211_FLAG_CHECK_NETDEV_UP)
12447 #define NL80211_FLAG_CLEAR_SKB 0x20
12449 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12450 struct genl_info
*info
)
12452 struct cfg80211_registered_device
*rdev
;
12453 struct wireless_dev
*wdev
;
12454 struct net_device
*dev
;
12455 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
12460 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
12461 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
12462 if (IS_ERR(rdev
)) {
12465 return PTR_ERR(rdev
);
12467 info
->user_ptr
[0] = rdev
;
12468 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
12469 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12472 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
12474 if (IS_ERR(wdev
)) {
12477 return PTR_ERR(wdev
);
12480 dev
= wdev
->netdev
;
12481 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12483 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
12490 info
->user_ptr
[1] = dev
;
12492 info
->user_ptr
[1] = wdev
;
12495 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
12496 !wdev_running(wdev
)) {
12505 info
->user_ptr
[0] = rdev
;
12511 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12512 struct genl_info
*info
)
12514 if (info
->user_ptr
[1]) {
12515 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12516 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12519 dev_put(wdev
->netdev
);
12521 dev_put(info
->user_ptr
[1]);
12525 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
12528 /* If needed, clear the netlink message payload from the SKB
12529 * as it might contain key data that shouldn't stick around on
12530 * the heap after the SKB is freed. The netlink message header
12531 * is still needed for further processing, so leave it intact.
12533 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
12534 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
12536 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
12540 static const struct genl_ops nl80211_ops
[] = {
12542 .cmd
= NL80211_CMD_GET_WIPHY
,
12543 .doit
= nl80211_get_wiphy
,
12544 .dumpit
= nl80211_dump_wiphy
,
12545 .done
= nl80211_dump_wiphy_done
,
12546 .policy
= nl80211_policy
,
12547 /* can be retrieved by unprivileged users */
12548 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12549 NL80211_FLAG_NEED_RTNL
,
12552 .cmd
= NL80211_CMD_SET_WIPHY
,
12553 .doit
= nl80211_set_wiphy
,
12554 .policy
= nl80211_policy
,
12555 .flags
= GENL_UNS_ADMIN_PERM
,
12556 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12559 .cmd
= NL80211_CMD_GET_INTERFACE
,
12560 .doit
= nl80211_get_interface
,
12561 .dumpit
= nl80211_dump_interface
,
12562 .policy
= nl80211_policy
,
12563 /* can be retrieved by unprivileged users */
12564 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12565 NL80211_FLAG_NEED_RTNL
,
12568 .cmd
= NL80211_CMD_SET_INTERFACE
,
12569 .doit
= nl80211_set_interface
,
12570 .policy
= nl80211_policy
,
12571 .flags
= GENL_UNS_ADMIN_PERM
,
12572 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12573 NL80211_FLAG_NEED_RTNL
,
12576 .cmd
= NL80211_CMD_NEW_INTERFACE
,
12577 .doit
= nl80211_new_interface
,
12578 .policy
= nl80211_policy
,
12579 .flags
= GENL_UNS_ADMIN_PERM
,
12580 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12581 NL80211_FLAG_NEED_RTNL
,
12584 .cmd
= NL80211_CMD_DEL_INTERFACE
,
12585 .doit
= nl80211_del_interface
,
12586 .policy
= nl80211_policy
,
12587 .flags
= GENL_UNS_ADMIN_PERM
,
12588 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12589 NL80211_FLAG_NEED_RTNL
,
12592 .cmd
= NL80211_CMD_GET_KEY
,
12593 .doit
= nl80211_get_key
,
12594 .policy
= nl80211_policy
,
12595 .flags
= GENL_UNS_ADMIN_PERM
,
12596 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12597 NL80211_FLAG_NEED_RTNL
,
12600 .cmd
= NL80211_CMD_SET_KEY
,
12601 .doit
= nl80211_set_key
,
12602 .policy
= nl80211_policy
,
12603 .flags
= GENL_UNS_ADMIN_PERM
,
12604 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12605 NL80211_FLAG_NEED_RTNL
|
12606 NL80211_FLAG_CLEAR_SKB
,
12609 .cmd
= NL80211_CMD_NEW_KEY
,
12610 .doit
= nl80211_new_key
,
12611 .policy
= nl80211_policy
,
12612 .flags
= GENL_UNS_ADMIN_PERM
,
12613 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12614 NL80211_FLAG_NEED_RTNL
|
12615 NL80211_FLAG_CLEAR_SKB
,
12618 .cmd
= NL80211_CMD_DEL_KEY
,
12619 .doit
= nl80211_del_key
,
12620 .policy
= nl80211_policy
,
12621 .flags
= GENL_UNS_ADMIN_PERM
,
12622 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12623 NL80211_FLAG_NEED_RTNL
,
12626 .cmd
= NL80211_CMD_SET_BEACON
,
12627 .policy
= nl80211_policy
,
12628 .flags
= GENL_UNS_ADMIN_PERM
,
12629 .doit
= nl80211_set_beacon
,
12630 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12631 NL80211_FLAG_NEED_RTNL
,
12634 .cmd
= NL80211_CMD_START_AP
,
12635 .policy
= nl80211_policy
,
12636 .flags
= GENL_UNS_ADMIN_PERM
,
12637 .doit
= nl80211_start_ap
,
12638 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12639 NL80211_FLAG_NEED_RTNL
,
12642 .cmd
= NL80211_CMD_STOP_AP
,
12643 .policy
= nl80211_policy
,
12644 .flags
= GENL_UNS_ADMIN_PERM
,
12645 .doit
= nl80211_stop_ap
,
12646 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12647 NL80211_FLAG_NEED_RTNL
,
12650 .cmd
= NL80211_CMD_GET_STATION
,
12651 .doit
= nl80211_get_station
,
12652 .dumpit
= nl80211_dump_station
,
12653 .policy
= nl80211_policy
,
12654 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12655 NL80211_FLAG_NEED_RTNL
,
12658 .cmd
= NL80211_CMD_SET_STATION
,
12659 .doit
= nl80211_set_station
,
12660 .policy
= nl80211_policy
,
12661 .flags
= GENL_UNS_ADMIN_PERM
,
12662 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12663 NL80211_FLAG_NEED_RTNL
,
12666 .cmd
= NL80211_CMD_NEW_STATION
,
12667 .doit
= nl80211_new_station
,
12668 .policy
= nl80211_policy
,
12669 .flags
= GENL_UNS_ADMIN_PERM
,
12670 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12671 NL80211_FLAG_NEED_RTNL
,
12674 .cmd
= NL80211_CMD_DEL_STATION
,
12675 .doit
= nl80211_del_station
,
12676 .policy
= nl80211_policy
,
12677 .flags
= GENL_UNS_ADMIN_PERM
,
12678 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12679 NL80211_FLAG_NEED_RTNL
,
12682 .cmd
= NL80211_CMD_GET_MPATH
,
12683 .doit
= nl80211_get_mpath
,
12684 .dumpit
= nl80211_dump_mpath
,
12685 .policy
= nl80211_policy
,
12686 .flags
= GENL_UNS_ADMIN_PERM
,
12687 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12688 NL80211_FLAG_NEED_RTNL
,
12691 .cmd
= NL80211_CMD_GET_MPP
,
12692 .doit
= nl80211_get_mpp
,
12693 .dumpit
= nl80211_dump_mpp
,
12694 .policy
= nl80211_policy
,
12695 .flags
= GENL_UNS_ADMIN_PERM
,
12696 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12697 NL80211_FLAG_NEED_RTNL
,
12700 .cmd
= NL80211_CMD_SET_MPATH
,
12701 .doit
= nl80211_set_mpath
,
12702 .policy
= nl80211_policy
,
12703 .flags
= GENL_UNS_ADMIN_PERM
,
12704 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12705 NL80211_FLAG_NEED_RTNL
,
12708 .cmd
= NL80211_CMD_NEW_MPATH
,
12709 .doit
= nl80211_new_mpath
,
12710 .policy
= nl80211_policy
,
12711 .flags
= GENL_UNS_ADMIN_PERM
,
12712 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12713 NL80211_FLAG_NEED_RTNL
,
12716 .cmd
= NL80211_CMD_DEL_MPATH
,
12717 .doit
= nl80211_del_mpath
,
12718 .policy
= nl80211_policy
,
12719 .flags
= GENL_UNS_ADMIN_PERM
,
12720 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12721 NL80211_FLAG_NEED_RTNL
,
12724 .cmd
= NL80211_CMD_SET_BSS
,
12725 .doit
= nl80211_set_bss
,
12726 .policy
= nl80211_policy
,
12727 .flags
= GENL_UNS_ADMIN_PERM
,
12728 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12729 NL80211_FLAG_NEED_RTNL
,
12732 .cmd
= NL80211_CMD_GET_REG
,
12733 .doit
= nl80211_get_reg_do
,
12734 .dumpit
= nl80211_get_reg_dump
,
12735 .policy
= nl80211_policy
,
12736 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12737 /* can be retrieved by unprivileged users */
12739 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12741 .cmd
= NL80211_CMD_SET_REG
,
12742 .doit
= nl80211_set_reg
,
12743 .policy
= nl80211_policy
,
12744 .flags
= GENL_ADMIN_PERM
,
12745 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12749 .cmd
= NL80211_CMD_REQ_SET_REG
,
12750 .doit
= nl80211_req_set_reg
,
12751 .policy
= nl80211_policy
,
12752 .flags
= GENL_ADMIN_PERM
,
12755 .cmd
= NL80211_CMD_RELOAD_REGDB
,
12756 .doit
= nl80211_reload_regdb
,
12757 .policy
= nl80211_policy
,
12758 .flags
= GENL_ADMIN_PERM
,
12761 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
12762 .doit
= nl80211_get_mesh_config
,
12763 .policy
= nl80211_policy
,
12764 /* can be retrieved by unprivileged users */
12765 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12766 NL80211_FLAG_NEED_RTNL
,
12769 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
12770 .doit
= nl80211_update_mesh_config
,
12771 .policy
= nl80211_policy
,
12772 .flags
= GENL_UNS_ADMIN_PERM
,
12773 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12774 NL80211_FLAG_NEED_RTNL
,
12777 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
12778 .doit
= nl80211_trigger_scan
,
12779 .policy
= nl80211_policy
,
12780 .flags
= GENL_UNS_ADMIN_PERM
,
12781 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12782 NL80211_FLAG_NEED_RTNL
,
12785 .cmd
= NL80211_CMD_ABORT_SCAN
,
12786 .doit
= nl80211_abort_scan
,
12787 .policy
= nl80211_policy
,
12788 .flags
= GENL_UNS_ADMIN_PERM
,
12789 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12790 NL80211_FLAG_NEED_RTNL
,
12793 .cmd
= NL80211_CMD_GET_SCAN
,
12794 .policy
= nl80211_policy
,
12795 .dumpit
= nl80211_dump_scan
,
12798 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
12799 .doit
= nl80211_start_sched_scan
,
12800 .policy
= nl80211_policy
,
12801 .flags
= GENL_UNS_ADMIN_PERM
,
12802 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12803 NL80211_FLAG_NEED_RTNL
,
12806 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
12807 .doit
= nl80211_stop_sched_scan
,
12808 .policy
= nl80211_policy
,
12809 .flags
= GENL_UNS_ADMIN_PERM
,
12810 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12811 NL80211_FLAG_NEED_RTNL
,
12814 .cmd
= NL80211_CMD_AUTHENTICATE
,
12815 .doit
= nl80211_authenticate
,
12816 .policy
= nl80211_policy
,
12817 .flags
= GENL_UNS_ADMIN_PERM
,
12818 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12819 NL80211_FLAG_NEED_RTNL
|
12820 NL80211_FLAG_CLEAR_SKB
,
12823 .cmd
= NL80211_CMD_ASSOCIATE
,
12824 .doit
= nl80211_associate
,
12825 .policy
= nl80211_policy
,
12826 .flags
= GENL_UNS_ADMIN_PERM
,
12827 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12828 NL80211_FLAG_NEED_RTNL
,
12831 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
12832 .doit
= nl80211_deauthenticate
,
12833 .policy
= nl80211_policy
,
12834 .flags
= GENL_UNS_ADMIN_PERM
,
12835 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12836 NL80211_FLAG_NEED_RTNL
,
12839 .cmd
= NL80211_CMD_DISASSOCIATE
,
12840 .doit
= nl80211_disassociate
,
12841 .policy
= nl80211_policy
,
12842 .flags
= GENL_UNS_ADMIN_PERM
,
12843 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12844 NL80211_FLAG_NEED_RTNL
,
12847 .cmd
= NL80211_CMD_JOIN_IBSS
,
12848 .doit
= nl80211_join_ibss
,
12849 .policy
= nl80211_policy
,
12850 .flags
= GENL_UNS_ADMIN_PERM
,
12851 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12852 NL80211_FLAG_NEED_RTNL
,
12855 .cmd
= NL80211_CMD_LEAVE_IBSS
,
12856 .doit
= nl80211_leave_ibss
,
12857 .policy
= nl80211_policy
,
12858 .flags
= GENL_UNS_ADMIN_PERM
,
12859 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12860 NL80211_FLAG_NEED_RTNL
,
12862 #ifdef CONFIG_NL80211_TESTMODE
12864 .cmd
= NL80211_CMD_TESTMODE
,
12865 .doit
= nl80211_testmode_do
,
12866 .dumpit
= nl80211_testmode_dump
,
12867 .policy
= nl80211_policy
,
12868 .flags
= GENL_UNS_ADMIN_PERM
,
12869 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12870 NL80211_FLAG_NEED_RTNL
,
12874 .cmd
= NL80211_CMD_CONNECT
,
12875 .doit
= nl80211_connect
,
12876 .policy
= nl80211_policy
,
12877 .flags
= GENL_UNS_ADMIN_PERM
,
12878 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12879 NL80211_FLAG_NEED_RTNL
,
12882 .cmd
= NL80211_CMD_UPDATE_CONNECT_PARAMS
,
12883 .doit
= nl80211_update_connect_params
,
12884 .policy
= nl80211_policy
,
12885 .flags
= GENL_ADMIN_PERM
,
12886 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12887 NL80211_FLAG_NEED_RTNL
,
12890 .cmd
= NL80211_CMD_DISCONNECT
,
12891 .doit
= nl80211_disconnect
,
12892 .policy
= nl80211_policy
,
12893 .flags
= GENL_UNS_ADMIN_PERM
,
12894 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12895 NL80211_FLAG_NEED_RTNL
,
12898 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
12899 .doit
= nl80211_wiphy_netns
,
12900 .policy
= nl80211_policy
,
12901 .flags
= GENL_UNS_ADMIN_PERM
,
12902 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12903 NL80211_FLAG_NEED_RTNL
,
12906 .cmd
= NL80211_CMD_GET_SURVEY
,
12907 .policy
= nl80211_policy
,
12908 .dumpit
= nl80211_dump_survey
,
12911 .cmd
= NL80211_CMD_SET_PMKSA
,
12912 .doit
= nl80211_setdel_pmksa
,
12913 .policy
= nl80211_policy
,
12914 .flags
= GENL_UNS_ADMIN_PERM
,
12915 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12916 NL80211_FLAG_NEED_RTNL
,
12919 .cmd
= NL80211_CMD_DEL_PMKSA
,
12920 .doit
= nl80211_setdel_pmksa
,
12921 .policy
= nl80211_policy
,
12922 .flags
= GENL_UNS_ADMIN_PERM
,
12923 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12924 NL80211_FLAG_NEED_RTNL
,
12927 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
12928 .doit
= nl80211_flush_pmksa
,
12929 .policy
= nl80211_policy
,
12930 .flags
= GENL_UNS_ADMIN_PERM
,
12931 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12932 NL80211_FLAG_NEED_RTNL
,
12935 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
12936 .doit
= nl80211_remain_on_channel
,
12937 .policy
= nl80211_policy
,
12938 .flags
= GENL_UNS_ADMIN_PERM
,
12939 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12940 NL80211_FLAG_NEED_RTNL
,
12943 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12944 .doit
= nl80211_cancel_remain_on_channel
,
12945 .policy
= nl80211_policy
,
12946 .flags
= GENL_UNS_ADMIN_PERM
,
12947 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12948 NL80211_FLAG_NEED_RTNL
,
12951 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
12952 .doit
= nl80211_set_tx_bitrate_mask
,
12953 .policy
= nl80211_policy
,
12954 .flags
= GENL_UNS_ADMIN_PERM
,
12955 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12956 NL80211_FLAG_NEED_RTNL
,
12959 .cmd
= NL80211_CMD_REGISTER_FRAME
,
12960 .doit
= nl80211_register_mgmt
,
12961 .policy
= nl80211_policy
,
12962 .flags
= GENL_UNS_ADMIN_PERM
,
12963 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12964 NL80211_FLAG_NEED_RTNL
,
12967 .cmd
= NL80211_CMD_FRAME
,
12968 .doit
= nl80211_tx_mgmt
,
12969 .policy
= nl80211_policy
,
12970 .flags
= GENL_UNS_ADMIN_PERM
,
12971 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12972 NL80211_FLAG_NEED_RTNL
,
12975 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
12976 .doit
= nl80211_tx_mgmt_cancel_wait
,
12977 .policy
= nl80211_policy
,
12978 .flags
= GENL_UNS_ADMIN_PERM
,
12979 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12980 NL80211_FLAG_NEED_RTNL
,
12983 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
12984 .doit
= nl80211_set_power_save
,
12985 .policy
= nl80211_policy
,
12986 .flags
= GENL_UNS_ADMIN_PERM
,
12987 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12988 NL80211_FLAG_NEED_RTNL
,
12991 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
12992 .doit
= nl80211_get_power_save
,
12993 .policy
= nl80211_policy
,
12994 /* can be retrieved by unprivileged users */
12995 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12996 NL80211_FLAG_NEED_RTNL
,
12999 .cmd
= NL80211_CMD_SET_CQM
,
13000 .doit
= nl80211_set_cqm
,
13001 .policy
= nl80211_policy
,
13002 .flags
= GENL_UNS_ADMIN_PERM
,
13003 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13004 NL80211_FLAG_NEED_RTNL
,
13007 .cmd
= NL80211_CMD_SET_CHANNEL
,
13008 .doit
= nl80211_set_channel
,
13009 .policy
= nl80211_policy
,
13010 .flags
= GENL_UNS_ADMIN_PERM
,
13011 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13012 NL80211_FLAG_NEED_RTNL
,
13015 .cmd
= NL80211_CMD_SET_WDS_PEER
,
13016 .doit
= nl80211_set_wds_peer
,
13017 .policy
= nl80211_policy
,
13018 .flags
= GENL_UNS_ADMIN_PERM
,
13019 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13020 NL80211_FLAG_NEED_RTNL
,
13023 .cmd
= NL80211_CMD_JOIN_MESH
,
13024 .doit
= nl80211_join_mesh
,
13025 .policy
= nl80211_policy
,
13026 .flags
= GENL_UNS_ADMIN_PERM
,
13027 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13028 NL80211_FLAG_NEED_RTNL
,
13031 .cmd
= NL80211_CMD_LEAVE_MESH
,
13032 .doit
= nl80211_leave_mesh
,
13033 .policy
= nl80211_policy
,
13034 .flags
= GENL_UNS_ADMIN_PERM
,
13035 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13036 NL80211_FLAG_NEED_RTNL
,
13039 .cmd
= NL80211_CMD_JOIN_OCB
,
13040 .doit
= nl80211_join_ocb
,
13041 .policy
= nl80211_policy
,
13042 .flags
= GENL_UNS_ADMIN_PERM
,
13043 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13044 NL80211_FLAG_NEED_RTNL
,
13047 .cmd
= NL80211_CMD_LEAVE_OCB
,
13048 .doit
= nl80211_leave_ocb
,
13049 .policy
= nl80211_policy
,
13050 .flags
= GENL_UNS_ADMIN_PERM
,
13051 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13052 NL80211_FLAG_NEED_RTNL
,
13056 .cmd
= NL80211_CMD_GET_WOWLAN
,
13057 .doit
= nl80211_get_wowlan
,
13058 .policy
= nl80211_policy
,
13059 /* can be retrieved by unprivileged users */
13060 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13061 NL80211_FLAG_NEED_RTNL
,
13064 .cmd
= NL80211_CMD_SET_WOWLAN
,
13065 .doit
= nl80211_set_wowlan
,
13066 .policy
= nl80211_policy
,
13067 .flags
= GENL_UNS_ADMIN_PERM
,
13068 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13069 NL80211_FLAG_NEED_RTNL
,
13073 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
13074 .doit
= nl80211_set_rekey_data
,
13075 .policy
= nl80211_policy
,
13076 .flags
= GENL_UNS_ADMIN_PERM
,
13077 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13078 NL80211_FLAG_NEED_RTNL
|
13079 NL80211_FLAG_CLEAR_SKB
,
13082 .cmd
= NL80211_CMD_TDLS_MGMT
,
13083 .doit
= nl80211_tdls_mgmt
,
13084 .policy
= nl80211_policy
,
13085 .flags
= GENL_UNS_ADMIN_PERM
,
13086 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13087 NL80211_FLAG_NEED_RTNL
,
13090 .cmd
= NL80211_CMD_TDLS_OPER
,
13091 .doit
= nl80211_tdls_oper
,
13092 .policy
= nl80211_policy
,
13093 .flags
= GENL_UNS_ADMIN_PERM
,
13094 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13095 NL80211_FLAG_NEED_RTNL
,
13098 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
13099 .doit
= nl80211_register_unexpected_frame
,
13100 .policy
= nl80211_policy
,
13101 .flags
= GENL_UNS_ADMIN_PERM
,
13102 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13103 NL80211_FLAG_NEED_RTNL
,
13106 .cmd
= NL80211_CMD_PROBE_CLIENT
,
13107 .doit
= nl80211_probe_client
,
13108 .policy
= nl80211_policy
,
13109 .flags
= GENL_UNS_ADMIN_PERM
,
13110 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13111 NL80211_FLAG_NEED_RTNL
,
13114 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
13115 .doit
= nl80211_register_beacons
,
13116 .policy
= nl80211_policy
,
13117 .flags
= GENL_UNS_ADMIN_PERM
,
13118 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13119 NL80211_FLAG_NEED_RTNL
,
13122 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
13123 .doit
= nl80211_set_noack_map
,
13124 .policy
= nl80211_policy
,
13125 .flags
= GENL_UNS_ADMIN_PERM
,
13126 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13127 NL80211_FLAG_NEED_RTNL
,
13130 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
13131 .doit
= nl80211_start_p2p_device
,
13132 .policy
= nl80211_policy
,
13133 .flags
= GENL_UNS_ADMIN_PERM
,
13134 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13135 NL80211_FLAG_NEED_RTNL
,
13138 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
13139 .doit
= nl80211_stop_p2p_device
,
13140 .policy
= nl80211_policy
,
13141 .flags
= GENL_UNS_ADMIN_PERM
,
13142 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13143 NL80211_FLAG_NEED_RTNL
,
13146 .cmd
= NL80211_CMD_START_NAN
,
13147 .doit
= nl80211_start_nan
,
13148 .policy
= nl80211_policy
,
13149 .flags
= GENL_ADMIN_PERM
,
13150 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13151 NL80211_FLAG_NEED_RTNL
,
13154 .cmd
= NL80211_CMD_STOP_NAN
,
13155 .doit
= nl80211_stop_nan
,
13156 .policy
= nl80211_policy
,
13157 .flags
= GENL_ADMIN_PERM
,
13158 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13159 NL80211_FLAG_NEED_RTNL
,
13162 .cmd
= NL80211_CMD_ADD_NAN_FUNCTION
,
13163 .doit
= nl80211_nan_add_func
,
13164 .policy
= nl80211_policy
,
13165 .flags
= GENL_ADMIN_PERM
,
13166 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13167 NL80211_FLAG_NEED_RTNL
,
13170 .cmd
= NL80211_CMD_DEL_NAN_FUNCTION
,
13171 .doit
= nl80211_nan_del_func
,
13172 .policy
= nl80211_policy
,
13173 .flags
= GENL_ADMIN_PERM
,
13174 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13175 NL80211_FLAG_NEED_RTNL
,
13178 .cmd
= NL80211_CMD_CHANGE_NAN_CONFIG
,
13179 .doit
= nl80211_nan_change_config
,
13180 .policy
= nl80211_policy
,
13181 .flags
= GENL_ADMIN_PERM
,
13182 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13183 NL80211_FLAG_NEED_RTNL
,
13186 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
13187 .doit
= nl80211_set_mcast_rate
,
13188 .policy
= nl80211_policy
,
13189 .flags
= GENL_UNS_ADMIN_PERM
,
13190 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13191 NL80211_FLAG_NEED_RTNL
,
13194 .cmd
= NL80211_CMD_SET_MAC_ACL
,
13195 .doit
= nl80211_set_mac_acl
,
13196 .policy
= nl80211_policy
,
13197 .flags
= GENL_UNS_ADMIN_PERM
,
13198 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13199 NL80211_FLAG_NEED_RTNL
,
13202 .cmd
= NL80211_CMD_RADAR_DETECT
,
13203 .doit
= nl80211_start_radar_detection
,
13204 .policy
= nl80211_policy
,
13205 .flags
= GENL_UNS_ADMIN_PERM
,
13206 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13207 NL80211_FLAG_NEED_RTNL
,
13210 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
13211 .doit
= nl80211_get_protocol_features
,
13212 .policy
= nl80211_policy
,
13215 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
13216 .doit
= nl80211_update_ft_ies
,
13217 .policy
= nl80211_policy
,
13218 .flags
= GENL_UNS_ADMIN_PERM
,
13219 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13220 NL80211_FLAG_NEED_RTNL
,
13223 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
13224 .doit
= nl80211_crit_protocol_start
,
13225 .policy
= nl80211_policy
,
13226 .flags
= GENL_UNS_ADMIN_PERM
,
13227 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13228 NL80211_FLAG_NEED_RTNL
,
13231 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
13232 .doit
= nl80211_crit_protocol_stop
,
13233 .policy
= nl80211_policy
,
13234 .flags
= GENL_UNS_ADMIN_PERM
,
13235 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13236 NL80211_FLAG_NEED_RTNL
,
13239 .cmd
= NL80211_CMD_GET_COALESCE
,
13240 .doit
= nl80211_get_coalesce
,
13241 .policy
= nl80211_policy
,
13242 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13243 NL80211_FLAG_NEED_RTNL
,
13246 .cmd
= NL80211_CMD_SET_COALESCE
,
13247 .doit
= nl80211_set_coalesce
,
13248 .policy
= nl80211_policy
,
13249 .flags
= GENL_UNS_ADMIN_PERM
,
13250 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13251 NL80211_FLAG_NEED_RTNL
,
13254 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
13255 .doit
= nl80211_channel_switch
,
13256 .policy
= nl80211_policy
,
13257 .flags
= GENL_UNS_ADMIN_PERM
,
13258 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13259 NL80211_FLAG_NEED_RTNL
,
13262 .cmd
= NL80211_CMD_VENDOR
,
13263 .doit
= nl80211_vendor_cmd
,
13264 .dumpit
= nl80211_vendor_cmd_dump
,
13265 .policy
= nl80211_policy
,
13266 .flags
= GENL_UNS_ADMIN_PERM
,
13267 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13268 NL80211_FLAG_NEED_RTNL
,
13271 .cmd
= NL80211_CMD_SET_QOS_MAP
,
13272 .doit
= nl80211_set_qos_map
,
13273 .policy
= nl80211_policy
,
13274 .flags
= GENL_UNS_ADMIN_PERM
,
13275 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13276 NL80211_FLAG_NEED_RTNL
,
13279 .cmd
= NL80211_CMD_ADD_TX_TS
,
13280 .doit
= nl80211_add_tx_ts
,
13281 .policy
= nl80211_policy
,
13282 .flags
= GENL_UNS_ADMIN_PERM
,
13283 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13284 NL80211_FLAG_NEED_RTNL
,
13287 .cmd
= NL80211_CMD_DEL_TX_TS
,
13288 .doit
= nl80211_del_tx_ts
,
13289 .policy
= nl80211_policy
,
13290 .flags
= GENL_UNS_ADMIN_PERM
,
13291 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13292 NL80211_FLAG_NEED_RTNL
,
13295 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
13296 .doit
= nl80211_tdls_channel_switch
,
13297 .policy
= nl80211_policy
,
13298 .flags
= GENL_UNS_ADMIN_PERM
,
13299 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13300 NL80211_FLAG_NEED_RTNL
,
13303 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
13304 .doit
= nl80211_tdls_cancel_channel_switch
,
13305 .policy
= nl80211_policy
,
13306 .flags
= GENL_UNS_ADMIN_PERM
,
13307 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13308 NL80211_FLAG_NEED_RTNL
,
13311 .cmd
= NL80211_CMD_SET_MULTICAST_TO_UNICAST
,
13312 .doit
= nl80211_set_multicast_to_unicast
,
13313 .policy
= nl80211_policy
,
13314 .flags
= GENL_UNS_ADMIN_PERM
,
13315 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13316 NL80211_FLAG_NEED_RTNL
,
13319 .cmd
= NL80211_CMD_SET_PMK
,
13320 .doit
= nl80211_set_pmk
,
13321 .policy
= nl80211_policy
,
13322 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13323 NL80211_FLAG_NEED_RTNL
,
13326 .cmd
= NL80211_CMD_DEL_PMK
,
13327 .doit
= nl80211_del_pmk
,
13328 .policy
= nl80211_policy
,
13329 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13330 NL80211_FLAG_NEED_RTNL
,
13335 static struct genl_family nl80211_fam __ro_after_init
= {
13336 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
13337 .hdrsize
= 0, /* no private header */
13338 .version
= 1, /* no particular meaning now */
13339 .maxattr
= NL80211_ATTR_MAX
,
13341 .pre_doit
= nl80211_pre_doit
,
13342 .post_doit
= nl80211_post_doit
,
13343 .module
= THIS_MODULE
,
13344 .ops
= nl80211_ops
,
13345 .n_ops
= ARRAY_SIZE(nl80211_ops
),
13346 .mcgrps
= nl80211_mcgrps
,
13347 .n_mcgrps
= ARRAY_SIZE(nl80211_mcgrps
),
13350 /* notification functions */
13352 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
13353 enum nl80211_commands cmd
)
13355 struct sk_buff
*msg
;
13356 struct nl80211_dump_wiphy_state state
= {};
13358 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
13359 cmd
!= NL80211_CMD_DEL_WIPHY
);
13361 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13365 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
13370 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13371 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13374 void nl80211_notify_iface(struct cfg80211_registered_device
*rdev
,
13375 struct wireless_dev
*wdev
,
13376 enum nl80211_commands cmd
)
13378 struct sk_buff
*msg
;
13380 WARN_ON(cmd
!= NL80211_CMD_NEW_INTERFACE
&&
13381 cmd
!= NL80211_CMD_DEL_INTERFACE
);
13383 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13387 if (nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
,
13388 cmd
== NL80211_CMD_DEL_INTERFACE
) < 0) {
13393 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13394 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13397 static int nl80211_add_scan_req(struct sk_buff
*msg
,
13398 struct cfg80211_registered_device
*rdev
)
13400 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
13401 struct nlattr
*nest
;
13407 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
13409 goto nla_put_failure
;
13410 for (i
= 0; i
< req
->n_ssids
; i
++) {
13411 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
13412 goto nla_put_failure
;
13414 nla_nest_end(msg
, nest
);
13416 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13418 goto nla_put_failure
;
13419 for (i
= 0; i
< req
->n_channels
; i
++) {
13420 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
13421 goto nla_put_failure
;
13423 nla_nest_end(msg
, nest
);
13426 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
13427 goto nla_put_failure
;
13430 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
13431 goto nla_put_failure
;
13433 if (req
->info
.scan_start_tsf
&&
13434 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
13435 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
13436 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
13437 req
->info
.tsf_bssid
)))
13438 goto nla_put_failure
;
13445 static int nl80211_prep_scan_msg(struct sk_buff
*msg
,
13446 struct cfg80211_registered_device
*rdev
,
13447 struct wireless_dev
*wdev
,
13448 u32 portid
, u32 seq
, int flags
,
13453 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
13457 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13458 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13459 wdev
->netdev
->ifindex
)) ||
13460 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13462 goto nla_put_failure
;
13464 /* ignore errors and send incomplete event anyway */
13465 nl80211_add_scan_req(msg
, rdev
);
13467 genlmsg_end(msg
, hdr
);
13471 genlmsg_cancel(msg
, hdr
);
13476 nl80211_prep_sched_scan_msg(struct sk_buff
*msg
,
13477 struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13481 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13485 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
,
13486 wiphy_to_rdev(req
->wiphy
)->wiphy_idx
) ||
13487 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, req
->dev
->ifindex
) ||
13488 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, req
->reqid
,
13490 goto nla_put_failure
;
13492 genlmsg_end(msg
, hdr
);
13496 genlmsg_cancel(msg
, hdr
);
13500 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
13501 struct wireless_dev
*wdev
)
13503 struct sk_buff
*msg
;
13505 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13509 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13510 NL80211_CMD_TRIGGER_SCAN
) < 0) {
13515 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13516 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13519 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
13520 struct wireless_dev
*wdev
, bool aborted
)
13522 struct sk_buff
*msg
;
13524 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13528 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13529 aborted
? NL80211_CMD_SCAN_ABORTED
:
13530 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
13538 /* send message created by nl80211_build_scan_msg() */
13539 void nl80211_send_scan_msg(struct cfg80211_registered_device
*rdev
,
13540 struct sk_buff
*msg
)
13545 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13546 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13549 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13551 struct sk_buff
*msg
;
13553 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13557 if (nl80211_prep_sched_scan_msg(msg
, req
, cmd
) < 0) {
13562 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(req
->wiphy
), msg
, 0,
13563 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13566 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
13567 struct regulatory_request
*request
)
13569 /* Userspace can always count this one always being set */
13570 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
13571 goto nla_put_failure
;
13573 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
13574 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13575 NL80211_REGDOM_TYPE_WORLD
))
13576 goto nla_put_failure
;
13577 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
13578 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13579 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
13580 goto nla_put_failure
;
13581 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
13582 request
->intersect
) {
13583 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13584 NL80211_REGDOM_TYPE_INTERSECTION
))
13585 goto nla_put_failure
;
13587 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13588 NL80211_REGDOM_TYPE_COUNTRY
) ||
13589 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
13591 goto nla_put_failure
;
13594 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
13595 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
13598 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
13599 goto nla_put_failure
;
13602 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
13603 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
13604 goto nla_put_failure
;
13614 * This can happen on global regulatory changes or device specific settings
13615 * based on custom regulatory domains.
13617 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
13618 struct regulatory_request
*request
)
13620 struct sk_buff
*msg
;
13623 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13627 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
13633 if (nl80211_reg_change_event_fill(msg
, request
) == false)
13634 goto nla_put_failure
;
13636 genlmsg_end(msg
, hdr
);
13639 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
13640 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
13646 genlmsg_cancel(msg
, hdr
);
13650 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
13651 struct net_device
*netdev
,
13652 const u8
*buf
, size_t len
,
13653 enum nl80211_commands cmd
, gfp_t gfp
,
13656 struct sk_buff
*msg
;
13659 msg
= nlmsg_new(100 + len
, gfp
);
13663 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13669 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13670 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13671 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
13672 goto nla_put_failure
;
13674 if (uapsd_queues
>= 0) {
13675 struct nlattr
*nla_wmm
=
13676 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
13678 goto nla_put_failure
;
13680 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
13682 goto nla_put_failure
;
13684 nla_nest_end(msg
, nla_wmm
);
13687 genlmsg_end(msg
, hdr
);
13689 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13690 NL80211_MCGRP_MLME
, gfp
);
13694 genlmsg_cancel(msg
, hdr
);
13698 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
13699 struct net_device
*netdev
, const u8
*buf
,
13700 size_t len
, gfp_t gfp
)
13702 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13703 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
13706 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
13707 struct net_device
*netdev
, const u8
*buf
,
13708 size_t len
, gfp_t gfp
, int uapsd_queues
)
13710 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13711 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
13714 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
13715 struct net_device
*netdev
, const u8
*buf
,
13716 size_t len
, gfp_t gfp
)
13718 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13719 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
13722 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
13723 struct net_device
*netdev
, const u8
*buf
,
13724 size_t len
, gfp_t gfp
)
13726 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13727 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
13730 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
13733 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13734 struct wiphy
*wiphy
= wdev
->wiphy
;
13735 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13736 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
13739 if (WARN_ON(len
< 2))
13742 if (ieee80211_is_deauth(mgmt
->frame_control
))
13743 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
13745 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
13747 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
13748 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
13750 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
13752 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
13753 struct net_device
*netdev
, int cmd
,
13754 const u8
*addr
, gfp_t gfp
)
13756 struct sk_buff
*msg
;
13759 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13763 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13769 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13770 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13771 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13772 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
13773 goto nla_put_failure
;
13775 genlmsg_end(msg
, hdr
);
13777 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13778 NL80211_MCGRP_MLME
, gfp
);
13782 genlmsg_cancel(msg
, hdr
);
13786 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
13787 struct net_device
*netdev
, const u8
*addr
,
13790 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
13794 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
13795 struct net_device
*netdev
, const u8
*addr
,
13798 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
13802 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
13803 struct net_device
*netdev
,
13804 struct cfg80211_connect_resp_params
*cr
,
13807 struct sk_buff
*msg
;
13810 msg
= nlmsg_new(100 + cr
->req_ie_len
+ cr
->resp_ie_len
+
13811 cr
->fils_kek_len
+ cr
->pmk_len
+
13812 (cr
->pmkid
? WLAN_PMKID_LEN
: 0), gfp
);
13816 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
13822 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13823 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13825 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, cr
->bssid
)) ||
13826 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
13827 cr
->status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
13830 (nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13831 nla_put_u32(msg
, NL80211_ATTR_TIMEOUT_REASON
,
13832 cr
->timeout_reason
))) ||
13834 nla_put(msg
, NL80211_ATTR_REQ_IE
, cr
->req_ie_len
, cr
->req_ie
)) ||
13836 nla_put(msg
, NL80211_ATTR_RESP_IE
, cr
->resp_ie_len
,
13838 (cr
->update_erp_next_seq_num
&&
13839 nla_put_u16(msg
, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
,
13840 cr
->fils_erp_next_seq_num
)) ||
13841 (cr
->status
== WLAN_STATUS_SUCCESS
&&
13843 nla_put(msg
, NL80211_ATTR_FILS_KEK
, cr
->fils_kek_len
,
13846 nla_put(msg
, NL80211_ATTR_PMK
, cr
->pmk_len
, cr
->pmk
)) ||
13848 nla_put(msg
, NL80211_ATTR_PMKID
, WLAN_PMKID_LEN
, cr
->pmkid
)))))
13849 goto nla_put_failure
;
13851 genlmsg_end(msg
, hdr
);
13853 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13854 NL80211_MCGRP_MLME
, gfp
);
13858 genlmsg_cancel(msg
, hdr
);
13862 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
13863 struct net_device
*netdev
,
13864 struct cfg80211_roam_info
*info
, gfp_t gfp
)
13866 struct sk_buff
*msg
;
13868 const u8
*bssid
= info
->bss
? info
->bss
->bssid
: info
->bssid
;
13870 msg
= nlmsg_new(100 + info
->req_ie_len
+ info
->resp_ie_len
, gfp
);
13874 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
13880 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13881 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13882 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
13884 nla_put(msg
, NL80211_ATTR_REQ_IE
, info
->req_ie_len
,
13887 nla_put(msg
, NL80211_ATTR_RESP_IE
, info
->resp_ie_len
,
13889 goto nla_put_failure
;
13891 genlmsg_end(msg
, hdr
);
13893 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13894 NL80211_MCGRP_MLME
, gfp
);
13898 genlmsg_cancel(msg
, hdr
);
13902 void nl80211_send_port_authorized(struct cfg80211_registered_device
*rdev
,
13903 struct net_device
*netdev
, const u8
*bssid
)
13905 struct sk_buff
*msg
;
13908 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13912 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED
);
13918 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13919 goto nla_put_failure
;
13921 genlmsg_end(msg
, hdr
);
13923 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13924 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13928 genlmsg_cancel(msg
, hdr
);
13932 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
13933 struct net_device
*netdev
, u16 reason
,
13934 const u8
*ie
, size_t ie_len
, bool from_ap
)
13936 struct sk_buff
*msg
;
13939 msg
= nlmsg_new(100 + ie_len
, GFP_KERNEL
);
13943 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
13949 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13950 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13951 (from_ap
&& reason
&&
13952 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
13954 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
13955 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
13956 goto nla_put_failure
;
13958 genlmsg_end(msg
, hdr
);
13960 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13961 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13965 genlmsg_cancel(msg
, hdr
);
13969 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
13970 struct net_device
*netdev
, const u8
*bssid
,
13973 struct sk_buff
*msg
;
13976 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13980 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
13986 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13987 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13988 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13989 goto nla_put_failure
;
13991 genlmsg_end(msg
, hdr
);
13993 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13994 NL80211_MCGRP_MLME
, gfp
);
13998 genlmsg_cancel(msg
, hdr
);
14002 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
14003 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
14005 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14006 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14007 struct sk_buff
*msg
;
14010 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
14013 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
14015 msg
= nlmsg_new(100 + ie_len
, gfp
);
14019 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
14025 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14026 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14027 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14029 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
14030 goto nla_put_failure
;
14032 genlmsg_end(msg
, hdr
);
14034 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14035 NL80211_MCGRP_MLME
, gfp
);
14039 genlmsg_cancel(msg
, hdr
);
14042 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
14044 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
14045 struct net_device
*netdev
, const u8
*addr
,
14046 enum nl80211_key_type key_type
, int key_id
,
14047 const u8
*tsc
, gfp_t gfp
)
14049 struct sk_buff
*msg
;
14052 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14056 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
14062 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14063 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14064 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
14065 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
14067 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
14068 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
14069 goto nla_put_failure
;
14071 genlmsg_end(msg
, hdr
);
14073 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14074 NL80211_MCGRP_MLME
, gfp
);
14078 genlmsg_cancel(msg
, hdr
);
14082 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
14083 struct ieee80211_channel
*channel_before
,
14084 struct ieee80211_channel
*channel_after
)
14086 struct sk_buff
*msg
;
14088 struct nlattr
*nl_freq
;
14090 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
14094 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
14101 * Since we are applying the beacon hint to a wiphy we know its
14102 * wiphy_idx is valid
14104 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
14105 goto nla_put_failure
;
14108 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
14110 goto nla_put_failure
;
14111 if (nl80211_msg_put_channel(msg
, channel_before
, false))
14112 goto nla_put_failure
;
14113 nla_nest_end(msg
, nl_freq
);
14116 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
14118 goto nla_put_failure
;
14119 if (nl80211_msg_put_channel(msg
, channel_after
, false))
14120 goto nla_put_failure
;
14121 nla_nest_end(msg
, nl_freq
);
14123 genlmsg_end(msg
, hdr
);
14126 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
14127 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
14133 genlmsg_cancel(msg
, hdr
);
14137 static void nl80211_send_remain_on_chan_event(
14138 int cmd
, struct cfg80211_registered_device
*rdev
,
14139 struct wireless_dev
*wdev
, u64 cookie
,
14140 struct ieee80211_channel
*chan
,
14141 unsigned int duration
, gfp_t gfp
)
14143 struct sk_buff
*msg
;
14146 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14150 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14156 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14157 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14158 wdev
->netdev
->ifindex
)) ||
14159 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14160 NL80211_ATTR_PAD
) ||
14161 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
14162 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
14163 NL80211_CHAN_NO_HT
) ||
14164 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14166 goto nla_put_failure
;
14168 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
14169 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
14170 goto nla_put_failure
;
14172 genlmsg_end(msg
, hdr
);
14174 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14175 NL80211_MCGRP_MLME
, gfp
);
14179 genlmsg_cancel(msg
, hdr
);
14183 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
14184 struct ieee80211_channel
*chan
,
14185 unsigned int duration
, gfp_t gfp
)
14187 struct wiphy
*wiphy
= wdev
->wiphy
;
14188 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14190 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
14191 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
14192 rdev
, wdev
, cookie
, chan
,
14195 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
14197 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
14198 struct ieee80211_channel
*chan
,
14201 struct wiphy
*wiphy
= wdev
->wiphy
;
14202 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14204 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
14205 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
14206 rdev
, wdev
, cookie
, chan
, 0, gfp
);
14208 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
14210 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
14211 struct station_info
*sinfo
, gfp_t gfp
)
14213 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14214 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14215 struct sk_buff
*msg
;
14217 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
14219 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14223 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
14224 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14229 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14230 NL80211_MCGRP_MLME
, gfp
);
14232 EXPORT_SYMBOL(cfg80211_new_sta
);
14234 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
14235 struct station_info
*sinfo
, gfp_t gfp
)
14237 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14238 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14239 struct sk_buff
*msg
;
14240 struct station_info empty_sinfo
= {};
14243 sinfo
= &empty_sinfo
;
14245 trace_cfg80211_del_sta(dev
, mac_addr
);
14247 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14251 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
14252 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14257 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14258 NL80211_MCGRP_MLME
, gfp
);
14260 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
14262 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
14263 enum nl80211_connect_failed_reason reason
,
14266 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14267 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14268 struct sk_buff
*msg
;
14271 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
14275 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
14281 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14282 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
14283 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
14284 goto nla_put_failure
;
14286 genlmsg_end(msg
, hdr
);
14288 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14289 NL80211_MCGRP_MLME
, gfp
);
14293 genlmsg_cancel(msg
, hdr
);
14296 EXPORT_SYMBOL(cfg80211_conn_failed
);
14298 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
14299 const u8
*addr
, gfp_t gfp
)
14301 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14302 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14303 struct sk_buff
*msg
;
14305 u32 nlportid
= READ_ONCE(wdev
->ap_unexpected_nlportid
);
14310 msg
= nlmsg_new(100, gfp
);
14314 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14320 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14321 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14322 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
14323 goto nla_put_failure
;
14325 genlmsg_end(msg
, hdr
);
14326 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14330 genlmsg_cancel(msg
, hdr
);
14335 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
14336 const u8
*addr
, gfp_t gfp
)
14338 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14341 trace_cfg80211_rx_spurious_frame(dev
, addr
);
14343 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14344 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
14345 trace_cfg80211_return_bool(false);
14348 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
14350 trace_cfg80211_return_bool(ret
);
14353 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
14355 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
14356 const u8
*addr
, gfp_t gfp
)
14358 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14361 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
14363 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14364 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
14365 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
14366 trace_cfg80211_return_bool(false);
14369 ret
= __nl80211_unexpected_frame(dev
,
14370 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
14372 trace_cfg80211_return_bool(ret
);
14375 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
14377 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
14378 struct wireless_dev
*wdev
, u32 nlportid
,
14379 int freq
, int sig_dbm
,
14380 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
14382 struct net_device
*netdev
= wdev
->netdev
;
14383 struct sk_buff
*msg
;
14386 msg
= nlmsg_new(100 + len
, gfp
);
14390 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14396 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14397 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14398 netdev
->ifindex
)) ||
14399 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14400 NL80211_ATTR_PAD
) ||
14401 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
14403 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14404 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14406 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
14407 goto nla_put_failure
;
14409 genlmsg_end(msg
, hdr
);
14411 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14414 genlmsg_cancel(msg
, hdr
);
14419 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
14420 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
14422 struct wiphy
*wiphy
= wdev
->wiphy
;
14423 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14424 struct net_device
*netdev
= wdev
->netdev
;
14425 struct sk_buff
*msg
;
14428 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
14430 msg
= nlmsg_new(100 + len
, gfp
);
14434 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
14440 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14441 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14442 netdev
->ifindex
)) ||
14443 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14444 NL80211_ATTR_PAD
) ||
14445 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14446 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14447 NL80211_ATTR_PAD
) ||
14448 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14449 goto nla_put_failure
;
14451 genlmsg_end(msg
, hdr
);
14453 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14454 NL80211_MCGRP_MLME
, gfp
);
14458 genlmsg_cancel(msg
, hdr
);
14461 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
14463 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
14464 const char *mac
, gfp_t gfp
)
14466 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14467 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14468 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14474 cb
= (void **)msg
->cb
;
14476 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
14482 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14483 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
14484 goto nla_put_failure
;
14486 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
14487 goto nla_put_failure
;
14489 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
14491 goto nla_put_failure
;
14501 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
14503 void **cb
= (void **)msg
->cb
;
14504 struct cfg80211_registered_device
*rdev
= cb
[2];
14506 nla_nest_end(msg
, cb
[1]);
14507 genlmsg_end(msg
, cb
[0]);
14509 memset(msg
->cb
, 0, sizeof(msg
->cb
));
14511 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14512 NL80211_MCGRP_MLME
, gfp
);
14515 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
14516 enum nl80211_cqm_rssi_threshold_event rssi_event
,
14517 s32 rssi_level
, gfp_t gfp
)
14519 struct sk_buff
*msg
;
14520 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14521 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14523 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
, rssi_level
);
14525 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
14526 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
14529 if (wdev
->cqm_config
) {
14530 wdev
->cqm_config
->last_rssi_event_value
= rssi_level
;
14532 cfg80211_cqm_rssi_update(rdev
, dev
);
14534 if (rssi_level
== 0)
14535 rssi_level
= wdev
->cqm_config
->last_rssi_event_value
;
14538 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14542 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
14544 goto nla_put_failure
;
14546 if (rssi_level
&& nla_put_s32(msg
, NL80211_ATTR_CQM_RSSI_LEVEL
,
14548 goto nla_put_failure
;
14550 cfg80211_send_cqm(msg
, gfp
);
14557 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
14559 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
14560 const u8
*peer
, u32 num_packets
,
14561 u32 rate
, u32 intvl
, gfp_t gfp
)
14563 struct sk_buff
*msg
;
14565 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14569 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
14570 goto nla_put_failure
;
14572 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
14573 goto nla_put_failure
;
14575 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
14576 goto nla_put_failure
;
14578 cfg80211_send_cqm(msg
, gfp
);
14584 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
14586 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
14587 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
14589 struct sk_buff
*msg
;
14591 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
14593 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14597 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
14598 goto nla_put_failure
;
14600 cfg80211_send_cqm(msg
, gfp
);
14606 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
14608 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
14610 struct sk_buff
*msg
;
14612 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14616 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
14617 goto nla_put_failure
;
14619 cfg80211_send_cqm(msg
, gfp
);
14625 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
14627 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
14628 struct net_device
*netdev
, const u8
*bssid
,
14629 const u8
*replay_ctr
, gfp_t gfp
)
14631 struct sk_buff
*msg
;
14632 struct nlattr
*rekey_attr
;
14635 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14639 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
14645 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14646 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14647 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
14648 goto nla_put_failure
;
14650 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
14652 goto nla_put_failure
;
14654 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
14655 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
14656 goto nla_put_failure
;
14658 nla_nest_end(msg
, rekey_attr
);
14660 genlmsg_end(msg
, hdr
);
14662 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14663 NL80211_MCGRP_MLME
, gfp
);
14667 genlmsg_cancel(msg
, hdr
);
14671 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
14672 const u8
*replay_ctr
, gfp_t gfp
)
14674 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14675 struct wiphy
*wiphy
= wdev
->wiphy
;
14676 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14678 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
14679 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
14681 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
14684 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
14685 struct net_device
*netdev
, int index
,
14686 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14688 struct sk_buff
*msg
;
14689 struct nlattr
*attr
;
14692 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14696 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
14702 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14703 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14704 goto nla_put_failure
;
14706 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
14708 goto nla_put_failure
;
14710 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
14711 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
14713 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
14714 goto nla_put_failure
;
14716 nla_nest_end(msg
, attr
);
14718 genlmsg_end(msg
, hdr
);
14720 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14721 NL80211_MCGRP_MLME
, gfp
);
14725 genlmsg_cancel(msg
, hdr
);
14729 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
14730 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14732 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14733 struct wiphy
*wiphy
= wdev
->wiphy
;
14734 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14736 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
14737 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
14739 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
14741 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
14742 struct net_device
*netdev
,
14743 struct cfg80211_chan_def
*chandef
,
14745 enum nl80211_commands notif
,
14748 struct sk_buff
*msg
;
14751 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14755 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
14761 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14762 goto nla_put_failure
;
14764 if (nl80211_send_chandef(msg
, chandef
))
14765 goto nla_put_failure
;
14767 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
14768 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
14769 goto nla_put_failure
;
14771 genlmsg_end(msg
, hdr
);
14773 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14774 NL80211_MCGRP_MLME
, gfp
);
14778 genlmsg_cancel(msg
, hdr
);
14782 void cfg80211_ch_switch_notify(struct net_device
*dev
,
14783 struct cfg80211_chan_def
*chandef
)
14785 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14786 struct wiphy
*wiphy
= wdev
->wiphy
;
14787 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14789 ASSERT_WDEV_LOCK(wdev
);
14791 trace_cfg80211_ch_switch_notify(dev
, chandef
);
14793 wdev
->chandef
= *chandef
;
14794 wdev
->preset_chandef
= *chandef
;
14795 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14796 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
14798 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
14800 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
14801 struct cfg80211_chan_def
*chandef
,
14804 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14805 struct wiphy
*wiphy
= wdev
->wiphy
;
14806 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14808 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
14810 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14811 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
14813 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
14816 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
14817 const struct cfg80211_chan_def
*chandef
,
14818 enum nl80211_radar_event event
,
14819 struct net_device
*netdev
, gfp_t gfp
)
14821 struct sk_buff
*msg
;
14824 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14828 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
14834 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
14835 goto nla_put_failure
;
14837 /* NOP and radar events don't need a netdev parameter */
14839 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
14841 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14842 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14844 goto nla_put_failure
;
14847 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
14848 goto nla_put_failure
;
14850 if (nl80211_send_chandef(msg
, chandef
))
14851 goto nla_put_failure
;
14853 genlmsg_end(msg
, hdr
);
14855 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14856 NL80211_MCGRP_MLME
, gfp
);
14860 genlmsg_cancel(msg
, hdr
);
14864 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
14865 u64 cookie
, bool acked
, gfp_t gfp
)
14867 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14868 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14869 struct sk_buff
*msg
;
14872 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
14874 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14879 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
14885 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14886 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14887 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14888 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14889 NL80211_ATTR_PAD
) ||
14890 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14891 goto nla_put_failure
;
14893 genlmsg_end(msg
, hdr
);
14895 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14896 NL80211_MCGRP_MLME
, gfp
);
14900 genlmsg_cancel(msg
, hdr
);
14903 EXPORT_SYMBOL(cfg80211_probe_status
);
14905 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
14906 const u8
*frame
, size_t len
,
14907 int freq
, int sig_dbm
)
14909 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14910 struct sk_buff
*msg
;
14912 struct cfg80211_beacon_registration
*reg
;
14914 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
14916 spin_lock_bh(&rdev
->beacon_registrations_lock
);
14917 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
14918 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
14920 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14924 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14926 goto nla_put_failure
;
14928 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14930 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
14932 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14933 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
14934 goto nla_put_failure
;
14936 genlmsg_end(msg
, hdr
);
14938 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
14940 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14944 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14946 genlmsg_cancel(msg
, hdr
);
14949 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
14952 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
14953 struct cfg80211_wowlan_wakeup
*wakeup
)
14955 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
14956 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
14959 nl_results
= nla_nest_start(
14960 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
14964 for (i
= 0; i
< nd
->n_matches
; i
++) {
14965 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
14967 nl_match
= nla_nest_start(msg
, i
);
14971 /* The SSID attribute is optional in nl80211, but for
14972 * simplicity reasons it's always present in the
14973 * cfg80211 structure. If a driver can't pass the
14974 * SSID, that needs to be changed. A zero length SSID
14975 * is still a valid SSID (wildcard), so it cannot be
14976 * used for this purpose.
14978 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
14979 match
->ssid
.ssid
)) {
14980 nla_nest_cancel(msg
, nl_match
);
14984 if (match
->n_channels
) {
14985 nl_freqs
= nla_nest_start(
14986 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
14988 nla_nest_cancel(msg
, nl_match
);
14992 for (j
= 0; j
< match
->n_channels
; j
++) {
14993 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
14994 nla_nest_cancel(msg
, nl_freqs
);
14995 nla_nest_cancel(msg
, nl_match
);
15000 nla_nest_end(msg
, nl_freqs
);
15003 nla_nest_end(msg
, nl_match
);
15007 nla_nest_end(msg
, nl_results
);
15011 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
15012 struct cfg80211_wowlan_wakeup
*wakeup
,
15015 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15016 struct sk_buff
*msg
;
15020 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
15023 size
+= wakeup
->packet_present_len
;
15025 msg
= nlmsg_new(size
, gfp
);
15029 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
15033 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15034 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15038 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
15039 wdev
->netdev
->ifindex
))
15043 struct nlattr
*reasons
;
15045 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
15049 if (wakeup
->disconnect
&&
15050 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
15052 if (wakeup
->magic_pkt
&&
15053 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
15055 if (wakeup
->gtk_rekey_failure
&&
15056 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
15058 if (wakeup
->eap_identity_req
&&
15059 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
15061 if (wakeup
->four_way_handshake
&&
15062 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
15064 if (wakeup
->rfkill_release
&&
15065 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
15068 if (wakeup
->pattern_idx
>= 0 &&
15069 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
15070 wakeup
->pattern_idx
))
15073 if (wakeup
->tcp_match
&&
15074 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
15077 if (wakeup
->tcp_connlost
&&
15078 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
15081 if (wakeup
->tcp_nomoretokens
&&
15083 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
15086 if (wakeup
->packet
) {
15087 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
15088 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
15090 if (!wakeup
->packet_80211
) {
15092 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
15094 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
15097 if (wakeup
->packet_len
&&
15098 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
15101 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
15106 if (wakeup
->net_detect
&&
15107 cfg80211_net_detect_results(msg
, wakeup
))
15110 nla_nest_end(msg
, reasons
);
15113 genlmsg_end(msg
, hdr
);
15115 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15116 NL80211_MCGRP_MLME
, gfp
);
15122 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
15125 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
15126 enum nl80211_tdls_operation oper
,
15127 u16 reason_code
, gfp_t gfp
)
15129 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15130 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15131 struct sk_buff
*msg
;
15134 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
15137 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15141 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
15147 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15148 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15149 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
15150 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
15151 (reason_code
> 0 &&
15152 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
15153 goto nla_put_failure
;
15155 genlmsg_end(msg
, hdr
);
15157 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15158 NL80211_MCGRP_MLME
, gfp
);
15162 genlmsg_cancel(msg
, hdr
);
15165 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
15167 static int nl80211_netlink_notify(struct notifier_block
* nb
,
15168 unsigned long state
,
15171 struct netlink_notify
*notify
= _notify
;
15172 struct cfg80211_registered_device
*rdev
;
15173 struct wireless_dev
*wdev
;
15174 struct cfg80211_beacon_registration
*reg
, *tmp
;
15176 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
15177 return NOTIFY_DONE
;
15181 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
15182 struct cfg80211_sched_scan_request
*sched_scan_req
;
15184 list_for_each_entry_rcu(sched_scan_req
,
15185 &rdev
->sched_scan_req_list
,
15187 if (sched_scan_req
->owner_nlportid
== notify
->portid
) {
15188 sched_scan_req
->nl_owner_dead
= true;
15189 schedule_work(&rdev
->sched_scan_stop_wk
);
15193 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
15194 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
15196 if (wdev
->owner_nlportid
== notify
->portid
) {
15197 wdev
->nl_owner_dead
= true;
15198 schedule_work(&rdev
->destroy_work
);
15199 } else if (wdev
->conn_owner_nlportid
== notify
->portid
) {
15200 schedule_work(&wdev
->disconnect_wk
);
15204 spin_lock_bh(&rdev
->beacon_registrations_lock
);
15205 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
15207 if (reg
->nlportid
== notify
->portid
) {
15208 list_del(®
->list
);
15213 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
15219 * It is possible that the user space process that is controlling the
15220 * indoor setting disappeared, so notify the regulatory core.
15222 regulatory_netlink_notify(notify
->portid
);
15226 static struct notifier_block nl80211_netlink_notifier
= {
15227 .notifier_call
= nl80211_netlink_notify
,
15230 void cfg80211_ft_event(struct net_device
*netdev
,
15231 struct cfg80211_ft_event_params
*ft_event
)
15233 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
15234 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15235 struct sk_buff
*msg
;
15238 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
15240 if (!ft_event
->target_ap
)
15243 msg
= nlmsg_new(100 + ft_event
->ric_ies_len
, GFP_KERNEL
);
15247 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
15251 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15252 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
15253 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
15256 if (ft_event
->ies
&&
15257 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
15259 if (ft_event
->ric_ies
&&
15260 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
15261 ft_event
->ric_ies
))
15264 genlmsg_end(msg
, hdr
);
15266 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15267 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15272 EXPORT_SYMBOL(cfg80211_ft_event
);
15274 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
15276 struct cfg80211_registered_device
*rdev
;
15277 struct sk_buff
*msg
;
15281 rdev
= wiphy_to_rdev(wdev
->wiphy
);
15282 if (!rdev
->crit_proto_nlportid
)
15285 nlportid
= rdev
->crit_proto_nlportid
;
15286 rdev
->crit_proto_nlportid
= 0;
15288 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15292 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
15294 goto nla_put_failure
;
15296 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15297 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15299 goto nla_put_failure
;
15301 genlmsg_end(msg
, hdr
);
15303 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
15308 genlmsg_cancel(msg
, hdr
);
15311 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
15313 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
15315 struct wiphy
*wiphy
= wdev
->wiphy
;
15316 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15317 struct sk_buff
*msg
;
15320 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
15324 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
15328 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15329 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
15330 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15334 genlmsg_end(msg
, hdr
);
15336 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
15337 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15343 /* initialisation/exit functions */
15345 int __init
nl80211_init(void)
15349 err
= genl_register_family(&nl80211_fam
);
15353 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
15359 genl_unregister_family(&nl80211_fam
);
15363 void nl80211_exit(void)
15365 netlink_unregister_notifier(&nl80211_netlink_notifier
);
15366 genl_unregister_family(&nl80211_fam
);