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 2015-2016 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 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
36 struct genl_info
*info
);
37 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
38 struct genl_info
*info
);
40 /* the netlink family */
41 static struct genl_family nl80211_fam
= {
42 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
43 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
44 .hdrsize
= 0, /* no private header */
45 .version
= 1, /* no particular meaning now */
46 .maxattr
= NL80211_ATTR_MAX
,
48 .pre_doit
= nl80211_pre_doit
,
49 .post_doit
= nl80211_post_doit
,
52 /* multicast groups */
53 enum nl80211_multicast_groups
{
56 NL80211_MCGRP_REGULATORY
,
59 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
62 static const struct genl_multicast_group nl80211_mcgrps
[] = {
63 [NL80211_MCGRP_CONFIG
] = { .name
= NL80211_MULTICAST_GROUP_CONFIG
},
64 [NL80211_MCGRP_SCAN
] = { .name
= NL80211_MULTICAST_GROUP_SCAN
},
65 [NL80211_MCGRP_REGULATORY
] = { .name
= NL80211_MULTICAST_GROUP_REG
},
66 [NL80211_MCGRP_MLME
] = { .name
= NL80211_MULTICAST_GROUP_MLME
},
67 [NL80211_MCGRP_VENDOR
] = { .name
= NL80211_MULTICAST_GROUP_VENDOR
},
68 #ifdef CONFIG_NL80211_TESTMODE
69 [NL80211_MCGRP_TESTMODE
] = { .name
= NL80211_MULTICAST_GROUP_TESTMODE
}
73 /* returns ERR_PTR values */
74 static struct wireless_dev
*
75 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
77 struct cfg80211_registered_device
*rdev
;
78 struct wireless_dev
*result
= NULL
;
79 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
80 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
87 if (!have_ifidx
&& !have_wdev_id
)
88 return ERR_PTR(-EINVAL
);
91 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
93 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
94 wiphy_idx
= wdev_id
>> 32;
97 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
98 struct wireless_dev
*wdev
;
100 if (wiphy_net(&rdev
->wiphy
) != netns
)
103 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
106 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
107 if (have_ifidx
&& wdev
->netdev
&&
108 wdev
->netdev
->ifindex
== ifidx
) {
112 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
124 return ERR_PTR(-ENODEV
);
127 static struct cfg80211_registered_device
*
128 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
130 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
131 struct net_device
*netdev
;
135 if (!attrs
[NL80211_ATTR_WIPHY
] &&
136 !attrs
[NL80211_ATTR_IFINDEX
] &&
137 !attrs
[NL80211_ATTR_WDEV
])
138 return ERR_PTR(-EINVAL
);
140 if (attrs
[NL80211_ATTR_WIPHY
])
141 rdev
= cfg80211_rdev_by_wiphy_idx(
142 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
144 if (attrs
[NL80211_ATTR_WDEV
]) {
145 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
146 struct wireless_dev
*wdev
;
149 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
151 /* make sure wdev exists */
152 list_for_each_entry(wdev
, &tmp
->wiphy
.wdev_list
, list
) {
153 if (wdev
->identifier
!= (u32
)wdev_id
)
162 if (rdev
&& tmp
!= rdev
)
163 return ERR_PTR(-EINVAL
);
168 if (attrs
[NL80211_ATTR_IFINDEX
]) {
169 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
170 netdev
= __dev_get_by_index(netns
, ifindex
);
172 if (netdev
->ieee80211_ptr
)
174 netdev
->ieee80211_ptr
->wiphy
);
178 /* not wireless device -- return error */
180 return ERR_PTR(-EINVAL
);
182 /* mismatch -- return error */
183 if (rdev
&& tmp
!= rdev
)
184 return ERR_PTR(-EINVAL
);
191 return ERR_PTR(-ENODEV
);
193 if (netns
!= wiphy_net(&rdev
->wiphy
))
194 return ERR_PTR(-ENODEV
);
200 * This function returns a pointer to the driver
201 * that the genl_info item that is passed refers to.
203 * The result of this can be a PTR_ERR and hence must
204 * be checked with IS_ERR() for errors.
206 static struct cfg80211_registered_device
*
207 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
209 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
212 /* policy for the attributes */
213 static const struct nla_policy nl80211_policy
[NUM_NL80211_ATTR
] = {
214 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
215 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
217 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
219 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
220 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
225 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
226 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
227 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
228 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
229 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
230 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
232 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
233 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
234 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
236 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
237 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
239 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
240 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
241 .len
= WLAN_MAX_KEY_LEN
},
242 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
243 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
244 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
245 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
246 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
248 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
249 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
250 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
251 .len
= IEEE80211_MAX_DATA_LEN
},
252 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
253 .len
= IEEE80211_MAX_DATA_LEN
},
254 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
255 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
256 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
257 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
258 .len
= NL80211_MAX_SUPP_RATES
},
259 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
260 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
261 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
262 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
263 .len
= IEEE80211_MAX_MESH_ID_LEN
},
264 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
266 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
267 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
269 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
270 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
271 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
272 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
273 .len
= NL80211_MAX_SUPP_RATES
},
274 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
276 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
277 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
279 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
281 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
282 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
283 .len
= IEEE80211_MAX_DATA_LEN
},
284 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
285 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
287 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
288 .len
= IEEE80211_MAX_SSID_LEN
},
289 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
290 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
291 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
292 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
293 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
294 [NL80211_ATTR_STA_FLAGS2
] = {
295 .len
= sizeof(struct nl80211_sta_flag_update
),
297 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
298 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
299 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
300 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
301 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
302 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
303 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
304 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
305 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
306 .len
= WLAN_PMKID_LEN
},
307 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
308 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
309 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
310 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
311 .len
= IEEE80211_MAX_DATA_LEN
},
312 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
313 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
314 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
315 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
316 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
317 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
318 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
319 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
320 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
321 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
322 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
323 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
324 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
325 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
326 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
327 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
328 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
329 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
330 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
331 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
332 .len
= IEEE80211_MAX_DATA_LEN
},
333 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
334 .len
= IEEE80211_MAX_DATA_LEN
},
335 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
336 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
337 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
338 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
339 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
340 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
341 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
342 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
343 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
344 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
345 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
346 .len
= IEEE80211_MAX_DATA_LEN
},
347 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
348 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
349 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
350 .len
= NL80211_HT_CAPABILITY_LEN
352 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
353 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
355 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
356 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
357 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
358 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
359 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
360 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
361 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
362 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
363 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
364 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
365 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
366 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
367 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
368 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
369 .len
= NL80211_VHT_CAPABILITY_LEN
,
371 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
372 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
373 .len
= IEEE80211_MAX_DATA_LEN
},
374 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
375 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
376 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
377 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
378 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
379 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
380 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
381 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
382 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
383 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
384 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
385 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
386 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
387 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
388 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
389 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
390 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
391 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
392 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
393 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
394 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
395 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
397 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
398 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
399 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
400 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG
] = { .type
= NLA_FLAG
},
401 [NL80211_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
402 [NL80211_ATTR_SCHED_SCAN_DELAY
] = { .type
= NLA_U32
},
403 [NL80211_ATTR_REG_INDOOR
] = { .type
= NLA_FLAG
},
404 [NL80211_ATTR_PBSS
] = { .type
= NLA_FLAG
},
405 [NL80211_ATTR_BSS_SELECT
] = { .type
= NLA_NESTED
},
406 [NL80211_ATTR_STA_SUPPORT_P2P_PS
] = { .type
= NLA_U8
},
409 /* policy for the key attributes */
410 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
411 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
412 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
413 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
414 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
415 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
416 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
417 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
418 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
421 /* policy for the key default flags */
422 static const struct nla_policy
423 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
424 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
425 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
428 /* policy for WoWLAN attributes */
429 static const struct nla_policy
430 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
431 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
432 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
433 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
434 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
435 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
436 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
437 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
438 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
439 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
440 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
443 static const struct nla_policy
444 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
445 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
446 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
447 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
448 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
449 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
450 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
451 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
452 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
454 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
455 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
457 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
458 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
459 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
462 /* policy for coalesce rule attributes */
463 static const struct nla_policy
464 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
465 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
466 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
467 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
470 /* policy for GTK rekey offload attributes */
471 static const struct nla_policy
472 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
473 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
474 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
475 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
478 static const struct nla_policy
479 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
480 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
481 .len
= IEEE80211_MAX_SSID_LEN
},
482 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
485 static const struct nla_policy
486 nl80211_plan_policy
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1] = {
487 [NL80211_SCHED_SCAN_PLAN_INTERVAL
] = { .type
= NLA_U32
},
488 [NL80211_SCHED_SCAN_PLAN_ITERATIONS
] = { .type
= NLA_U32
},
491 static const struct nla_policy
492 nl80211_bss_select_policy
[NL80211_BSS_SELECT_ATTR_MAX
+ 1] = {
493 [NL80211_BSS_SELECT_ATTR_RSSI
] = { .type
= NLA_FLAG
},
494 [NL80211_BSS_SELECT_ATTR_BAND_PREF
] = { .type
= NLA_U32
},
495 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
] = {
496 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
500 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
501 struct netlink_callback
*cb
,
502 struct cfg80211_registered_device
**rdev
,
503 struct wireless_dev
**wdev
)
510 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
511 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
516 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
517 nl80211_fam
.attrbuf
);
519 err
= PTR_ERR(*wdev
);
522 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
523 /* 0 is the first index - add 1 to parse only once */
524 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
525 cb
->args
[1] = (*wdev
)->identifier
;
527 /* subtract the 1 again here */
528 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
529 struct wireless_dev
*tmp
;
535 *rdev
= wiphy_to_rdev(wiphy
);
538 list_for_each_entry(tmp
, &(*rdev
)->wiphy
.wdev_list
, list
) {
539 if (tmp
->identifier
== cb
->args
[1]) {
557 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
563 static bool is_valid_ie_attr(const struct nlattr
*attr
)
571 pos
= nla_data(attr
);
592 /* message building helper */
593 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
596 /* since there is no private header just add the generic one */
597 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
600 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
601 struct ieee80211_channel
*chan
,
604 /* Some channels must be completely excluded from the
605 * list to protect old user-space tools from breaking
607 if (!large
&& chan
->flags
&
608 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
611 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
613 goto nla_put_failure
;
615 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
616 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
617 goto nla_put_failure
;
618 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
619 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
620 goto nla_put_failure
;
621 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
622 goto nla_put_failure
;
624 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
625 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
626 goto nla_put_failure
;
630 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
632 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
634 goto nla_put_failure
;
635 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
637 goto nla_put_failure
;
639 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
641 goto nla_put_failure
;
646 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
647 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
648 goto nla_put_failure
;
649 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
650 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
651 goto nla_put_failure
;
652 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
653 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
654 goto nla_put_failure
;
655 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
656 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
657 goto nla_put_failure
;
658 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
659 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
660 goto nla_put_failure
;
661 if ((chan
->flags
& IEEE80211_CHAN_IR_CONCURRENT
) &&
662 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_IR_CONCURRENT
))
663 goto nla_put_failure
;
664 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
665 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
666 goto nla_put_failure
;
667 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
668 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
669 goto nla_put_failure
;
672 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
673 DBM_TO_MBM(chan
->max_power
)))
674 goto nla_put_failure
;
682 /* netlink command implementations */
689 bool def_uni
, def_multi
;
692 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
694 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
695 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
700 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
701 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
710 if (tb
[NL80211_KEY_IDX
])
711 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
713 if (tb
[NL80211_KEY_DATA
]) {
714 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
715 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
718 if (tb
[NL80211_KEY_SEQ
]) {
719 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
720 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
723 if (tb
[NL80211_KEY_CIPHER
])
724 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
726 if (tb
[NL80211_KEY_TYPE
]) {
727 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
728 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
732 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
733 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
734 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
735 tb
[NL80211_KEY_DEFAULT_TYPES
],
736 nl80211_key_default_policy
);
740 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
741 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
747 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
749 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
750 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
751 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
754 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
755 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
756 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
759 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
760 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
762 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
763 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
765 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
766 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
775 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
776 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
777 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
781 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
782 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
783 int err
= nla_parse_nested(
784 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
785 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
786 nl80211_key_default_policy
);
790 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
791 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
797 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
801 memset(k
, 0, sizeof(*k
));
805 if (info
->attrs
[NL80211_ATTR_KEY
])
806 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
808 err
= nl80211_parse_key_old(info
, k
);
813 if (k
->def
&& k
->defmgmt
)
817 if (k
->def_uni
|| !k
->def_multi
)
823 if (k
->idx
< 4 || k
->idx
> 5)
826 if (k
->idx
< 0 || k
->idx
> 3)
829 if (k
->idx
< 0 || k
->idx
> 5)
837 static struct cfg80211_cached_keys
*
838 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
839 struct nlattr
*keys
, bool *no_ht
)
841 struct key_parse parse
;
843 struct cfg80211_cached_keys
*result
;
844 int rem
, err
, def
= 0;
846 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
848 return ERR_PTR(-ENOMEM
);
851 result
->defmgmt
= -1;
853 nla_for_each_nested(key
, keys
, rem
) {
854 memset(&parse
, 0, sizeof(parse
));
857 err
= nl80211_parse_key_new(key
, &parse
);
863 if (parse
.idx
< 0 || parse
.idx
> 4)
869 result
->def
= parse
.idx
;
870 if (!parse
.def_uni
|| !parse
.def_multi
)
872 } else if (parse
.defmgmt
)
874 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
875 parse
.idx
, false, NULL
);
878 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
879 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
880 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
881 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
883 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
884 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
896 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
898 ASSERT_WDEV_LOCK(wdev
);
900 switch (wdev
->iftype
) {
901 case NL80211_IFTYPE_AP
:
902 case NL80211_IFTYPE_AP_VLAN
:
903 case NL80211_IFTYPE_P2P_GO
:
904 case NL80211_IFTYPE_MESH_POINT
:
906 case NL80211_IFTYPE_ADHOC
:
907 case NL80211_IFTYPE_STATION
:
908 case NL80211_IFTYPE_P2P_CLIENT
:
909 if (!wdev
->current_bss
)
912 case NL80211_IFTYPE_UNSPECIFIED
:
913 case NL80211_IFTYPE_OCB
:
914 case NL80211_IFTYPE_MONITOR
:
915 case NL80211_IFTYPE_P2P_DEVICE
:
916 case NL80211_IFTYPE_WDS
:
917 case NUM_NL80211_IFTYPES
:
924 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
927 struct ieee80211_channel
*chan
;
931 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
932 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
937 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
939 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
943 goto nla_put_failure
;
947 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
948 goto nla_put_failure
;
953 nla_nest_end(msg
, nl_modes
);
960 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
964 struct nlattr
*nl_combis
;
967 nl_combis
= nla_nest_start(msg
,
968 NL80211_ATTR_INTERFACE_COMBINATIONS
);
970 goto nla_put_failure
;
972 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
973 const struct ieee80211_iface_combination
*c
;
974 struct nlattr
*nl_combi
, *nl_limits
;
976 c
= &wiphy
->iface_combinations
[i
];
978 nl_combi
= nla_nest_start(msg
, i
+ 1);
980 goto nla_put_failure
;
982 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
984 goto nla_put_failure
;
986 for (j
= 0; j
< c
->n_limits
; j
++) {
987 struct nlattr
*nl_limit
;
989 nl_limit
= nla_nest_start(msg
, j
+ 1);
991 goto nla_put_failure
;
992 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
994 goto nla_put_failure
;
995 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
997 goto nla_put_failure
;
998 nla_nest_end(msg
, nl_limit
);
1001 nla_nest_end(msg
, nl_limits
);
1003 if (c
->beacon_int_infra_match
&&
1004 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
1005 goto nla_put_failure
;
1006 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
1007 c
->num_different_channels
) ||
1008 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
1010 goto nla_put_failure
;
1012 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
1013 c
->radar_detect_widths
) ||
1014 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
1015 c
->radar_detect_regions
)))
1016 goto nla_put_failure
;
1018 nla_nest_end(msg
, nl_combi
);
1021 nla_nest_end(msg
, nl_combis
);
1029 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1030 struct sk_buff
*msg
)
1032 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1033 struct nlattr
*nl_tcp
;
1038 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1042 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1043 tcp
->data_payload_max
))
1046 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1047 tcp
->data_payload_max
))
1050 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1053 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1054 sizeof(*tcp
->tok
), tcp
->tok
))
1057 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1058 tcp
->data_interval_max
))
1061 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1062 tcp
->wake_payload_max
))
1065 nla_nest_end(msg
, nl_tcp
);
1069 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1070 struct cfg80211_registered_device
*rdev
,
1073 struct nlattr
*nl_wowlan
;
1075 if (!rdev
->wiphy
.wowlan
)
1078 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1082 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1083 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1084 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1085 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1086 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1087 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1088 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1089 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1090 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1091 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1092 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1093 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1094 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1095 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1096 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1097 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1100 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1101 struct nl80211_pattern_support pat
= {
1102 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1103 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1104 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1105 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1108 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1113 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1114 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1115 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1118 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1121 nla_nest_end(msg
, nl_wowlan
);
1127 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1128 struct cfg80211_registered_device
*rdev
)
1130 struct nl80211_coalesce_rule_support rule
;
1132 if (!rdev
->wiphy
.coalesce
)
1135 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1136 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1137 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1138 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1139 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1140 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1142 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1148 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1149 struct ieee80211_supported_band
*sband
)
1151 struct nlattr
*nl_rates
, *nl_rate
;
1152 struct ieee80211_rate
*rate
;
1156 if (sband
->ht_cap
.ht_supported
&&
1157 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1158 sizeof(sband
->ht_cap
.mcs
),
1159 &sband
->ht_cap
.mcs
) ||
1160 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1161 sband
->ht_cap
.cap
) ||
1162 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1163 sband
->ht_cap
.ampdu_factor
) ||
1164 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1165 sband
->ht_cap
.ampdu_density
)))
1169 if (sband
->vht_cap
.vht_supported
&&
1170 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1171 sizeof(sband
->vht_cap
.vht_mcs
),
1172 &sband
->vht_cap
.vht_mcs
) ||
1173 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1174 sband
->vht_cap
.cap
)))
1178 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1182 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1183 nl_rate
= nla_nest_start(msg
, i
);
1187 rate
= &sband
->bitrates
[i
];
1188 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1191 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1193 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1196 nla_nest_end(msg
, nl_rate
);
1199 nla_nest_end(msg
, nl_rates
);
1205 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1206 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1209 struct nlattr
*nl_ftypes
, *nl_ifs
;
1210 enum nl80211_iftype ift
;
1216 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1220 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1221 nl_ftypes
= nla_nest_start(msg
, ift
);
1225 stypes
= mgmt_stypes
[ift
].tx
;
1228 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1229 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1234 nla_nest_end(msg
, nl_ftypes
);
1237 nla_nest_end(msg
, nl_ifs
);
1239 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1243 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1244 nl_ftypes
= nla_nest_start(msg
, ift
);
1248 stypes
= mgmt_stypes
[ift
].rx
;
1251 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1252 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1257 nla_nest_end(msg
, nl_ftypes
);
1259 nla_nest_end(msg
, nl_ifs
);
1264 struct nl80211_dump_wiphy_state
{
1267 long split_start
, band_start
, chan_start
;
1271 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1272 enum nl80211_commands cmd
,
1273 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1274 int flags
, struct nl80211_dump_wiphy_state
*state
)
1277 struct nlattr
*nl_bands
, *nl_band
;
1278 struct nlattr
*nl_freqs
, *nl_freq
;
1279 struct nlattr
*nl_cmds
;
1280 enum nl80211_band band
;
1281 struct ieee80211_channel
*chan
;
1283 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1284 rdev
->wiphy
.mgmt_stypes
;
1287 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1291 if (WARN_ON(!state
))
1294 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1295 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1296 wiphy_name(&rdev
->wiphy
)) ||
1297 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1298 cfg80211_rdev_list_generation
))
1299 goto nla_put_failure
;
1301 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1304 switch (state
->split_start
) {
1306 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1307 rdev
->wiphy
.retry_short
) ||
1308 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1309 rdev
->wiphy
.retry_long
) ||
1310 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1311 rdev
->wiphy
.frag_threshold
) ||
1312 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1313 rdev
->wiphy
.rts_threshold
) ||
1314 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1315 rdev
->wiphy
.coverage_class
) ||
1316 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1317 rdev
->wiphy
.max_scan_ssids
) ||
1318 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1319 rdev
->wiphy
.max_sched_scan_ssids
) ||
1320 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1321 rdev
->wiphy
.max_scan_ie_len
) ||
1322 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1323 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1324 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1325 rdev
->wiphy
.max_match_sets
) ||
1326 nla_put_u32(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
,
1327 rdev
->wiphy
.max_sched_scan_plans
) ||
1328 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
,
1329 rdev
->wiphy
.max_sched_scan_plan_interval
) ||
1330 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
,
1331 rdev
->wiphy
.max_sched_scan_plan_iterations
))
1332 goto nla_put_failure
;
1334 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1335 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1336 goto nla_put_failure
;
1337 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1338 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1339 goto nla_put_failure
;
1340 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1341 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1342 goto nla_put_failure
;
1343 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1344 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1345 goto nla_put_failure
;
1346 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1347 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1348 goto nla_put_failure
;
1349 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1350 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1351 goto nla_put_failure
;
1352 state
->split_start
++;
1356 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1357 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1358 rdev
->wiphy
.cipher_suites
))
1359 goto nla_put_failure
;
1361 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1362 rdev
->wiphy
.max_num_pmkids
))
1363 goto nla_put_failure
;
1365 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1366 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1367 goto nla_put_failure
;
1369 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1370 rdev
->wiphy
.available_antennas_tx
) ||
1371 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1372 rdev
->wiphy
.available_antennas_rx
))
1373 goto nla_put_failure
;
1375 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1376 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1377 rdev
->wiphy
.probe_resp_offload
))
1378 goto nla_put_failure
;
1380 if ((rdev
->wiphy
.available_antennas_tx
||
1381 rdev
->wiphy
.available_antennas_rx
) &&
1382 rdev
->ops
->get_antenna
) {
1383 u32 tx_ant
= 0, rx_ant
= 0;
1385 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1387 if (nla_put_u32(msg
,
1388 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1391 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1393 goto nla_put_failure
;
1397 state
->split_start
++;
1401 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1402 rdev
->wiphy
.interface_modes
))
1403 goto nla_put_failure
;
1404 state
->split_start
++;
1408 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1410 goto nla_put_failure
;
1412 for (band
= state
->band_start
;
1413 band
< NUM_NL80211_BANDS
; band
++) {
1414 struct ieee80211_supported_band
*sband
;
1416 sband
= rdev
->wiphy
.bands
[band
];
1421 nl_band
= nla_nest_start(msg
, band
);
1423 goto nla_put_failure
;
1425 switch (state
->chan_start
) {
1427 if (nl80211_send_band_rateinfo(msg
, sband
))
1428 goto nla_put_failure
;
1429 state
->chan_start
++;
1433 /* add frequencies */
1434 nl_freqs
= nla_nest_start(
1435 msg
, NL80211_BAND_ATTR_FREQS
);
1437 goto nla_put_failure
;
1439 for (i
= state
->chan_start
- 1;
1440 i
< sband
->n_channels
;
1442 nl_freq
= nla_nest_start(msg
, i
);
1444 goto nla_put_failure
;
1446 chan
= &sband
->channels
[i
];
1448 if (nl80211_msg_put_channel(
1451 goto nla_put_failure
;
1453 nla_nest_end(msg
, nl_freq
);
1457 if (i
< sband
->n_channels
)
1458 state
->chan_start
= i
+ 2;
1460 state
->chan_start
= 0;
1461 nla_nest_end(msg
, nl_freqs
);
1464 nla_nest_end(msg
, nl_band
);
1467 /* start again here */
1468 if (state
->chan_start
)
1473 nla_nest_end(msg
, nl_bands
);
1475 if (band
< NUM_NL80211_BANDS
)
1476 state
->band_start
= band
+ 1;
1478 state
->band_start
= 0;
1480 /* if bands & channels are done, continue outside */
1481 if (state
->band_start
== 0 && state
->chan_start
== 0)
1482 state
->split_start
++;
1486 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1488 goto nla_put_failure
;
1491 #define CMD(op, n) \
1493 if (rdev->ops->op) { \
1495 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1496 goto nla_put_failure; \
1500 CMD(add_virtual_intf
, NEW_INTERFACE
);
1501 CMD(change_virtual_intf
, SET_INTERFACE
);
1502 CMD(add_key
, NEW_KEY
);
1503 CMD(start_ap
, START_AP
);
1504 CMD(add_station
, NEW_STATION
);
1505 CMD(add_mpath
, NEW_MPATH
);
1506 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1507 CMD(change_bss
, SET_BSS
);
1508 CMD(auth
, AUTHENTICATE
);
1509 CMD(assoc
, ASSOCIATE
);
1510 CMD(deauth
, DEAUTHENTICATE
);
1511 CMD(disassoc
, DISASSOCIATE
);
1512 CMD(join_ibss
, JOIN_IBSS
);
1513 CMD(join_mesh
, JOIN_MESH
);
1514 CMD(set_pmksa
, SET_PMKSA
);
1515 CMD(del_pmksa
, DEL_PMKSA
);
1516 CMD(flush_pmksa
, FLUSH_PMKSA
);
1517 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1518 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1519 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1520 CMD(mgmt_tx
, FRAME
);
1521 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1522 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1524 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1525 goto nla_put_failure
;
1527 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1528 rdev
->ops
->join_mesh
) {
1530 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1531 goto nla_put_failure
;
1533 CMD(set_wds_peer
, SET_WDS_PEER
);
1534 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1535 CMD(tdls_mgmt
, TDLS_MGMT
);
1536 CMD(tdls_oper
, TDLS_OPER
);
1538 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1539 CMD(sched_scan_start
, START_SCHED_SCAN
);
1540 CMD(probe_client
, PROBE_CLIENT
);
1541 CMD(set_noack_map
, SET_NOACK_MAP
);
1542 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1544 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1545 goto nla_put_failure
;
1547 CMD(start_p2p_device
, START_P2P_DEVICE
);
1548 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1549 #ifdef CONFIG_NL80211_TESTMODE
1550 CMD(testmode_cmd
, TESTMODE
);
1553 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1554 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1555 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1556 CMD(channel_switch
, CHANNEL_SWITCH
);
1557 CMD(set_qos_map
, SET_QOS_MAP
);
1558 if (rdev
->wiphy
.features
&
1559 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1560 CMD(add_tx_ts
, ADD_TX_TS
);
1562 /* add into the if now */
1565 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1567 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1568 goto nla_put_failure
;
1571 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1573 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1574 goto nla_put_failure
;
1577 nla_nest_end(msg
, nl_cmds
);
1578 state
->split_start
++;
1582 if (rdev
->ops
->remain_on_channel
&&
1583 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1585 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1586 rdev
->wiphy
.max_remain_on_channel_duration
))
1587 goto nla_put_failure
;
1589 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1590 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1591 goto nla_put_failure
;
1593 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1594 goto nla_put_failure
;
1595 state
->split_start
++;
1600 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1601 goto nla_put_failure
;
1602 state
->split_start
++;
1606 state
->split_start
++;
1609 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1610 rdev
->wiphy
.software_iftypes
))
1611 goto nla_put_failure
;
1613 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1615 goto nla_put_failure
;
1617 state
->split_start
++;
1621 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1622 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1623 rdev
->wiphy
.ap_sme_capa
))
1624 goto nla_put_failure
;
1626 features
= rdev
->wiphy
.features
;
1628 * We can only add the per-channel limit information if the
1629 * dump is split, otherwise it makes it too big. Therefore
1630 * only advertise it in that case.
1633 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1634 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1635 goto nla_put_failure
;
1637 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1638 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1639 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1640 rdev
->wiphy
.ht_capa_mod_mask
))
1641 goto nla_put_failure
;
1643 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1644 rdev
->wiphy
.max_acl_mac_addrs
&&
1645 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1646 rdev
->wiphy
.max_acl_mac_addrs
))
1647 goto nla_put_failure
;
1650 * Any information below this point is only available to
1651 * applications that can deal with it being split. This
1652 * helps ensure that newly added capabilities don't break
1653 * older tools by overrunning their buffers.
1655 * We still increment split_start so that in the split
1656 * case we'll continue with more data in the next round,
1657 * but break unconditionally so unsplit data stops here.
1659 state
->split_start
++;
1662 if (rdev
->wiphy
.extended_capabilities
&&
1663 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1664 rdev
->wiphy
.extended_capabilities_len
,
1665 rdev
->wiphy
.extended_capabilities
) ||
1666 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1667 rdev
->wiphy
.extended_capabilities_len
,
1668 rdev
->wiphy
.extended_capabilities_mask
)))
1669 goto nla_put_failure
;
1671 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1672 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1673 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1674 rdev
->wiphy
.vht_capa_mod_mask
))
1675 goto nla_put_failure
;
1677 state
->split_start
++;
1680 if (nl80211_send_coalesce(msg
, rdev
))
1681 goto nla_put_failure
;
1683 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1684 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1685 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1686 goto nla_put_failure
;
1688 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1689 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1690 rdev
->wiphy
.max_ap_assoc_sta
))
1691 goto nla_put_failure
;
1693 state
->split_start
++;
1696 if (rdev
->wiphy
.n_vendor_commands
) {
1697 const struct nl80211_vendor_cmd_info
*info
;
1698 struct nlattr
*nested
;
1700 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1702 goto nla_put_failure
;
1704 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1705 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1706 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1707 goto nla_put_failure
;
1709 nla_nest_end(msg
, nested
);
1712 if (rdev
->wiphy
.n_vendor_events
) {
1713 const struct nl80211_vendor_cmd_info
*info
;
1714 struct nlattr
*nested
;
1716 nested
= nla_nest_start(msg
,
1717 NL80211_ATTR_VENDOR_EVENTS
);
1719 goto nla_put_failure
;
1721 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1722 info
= &rdev
->wiphy
.vendor_events
[i
];
1723 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1724 goto nla_put_failure
;
1726 nla_nest_end(msg
, nested
);
1728 state
->split_start
++;
1731 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1732 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1733 rdev
->wiphy
.max_num_csa_counters
))
1734 goto nla_put_failure
;
1736 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1737 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1738 goto nla_put_failure
;
1740 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1741 sizeof(rdev
->wiphy
.ext_features
),
1742 rdev
->wiphy
.ext_features
))
1743 goto nla_put_failure
;
1745 if (rdev
->wiphy
.bss_select_support
) {
1746 struct nlattr
*nested
;
1747 u32 bss_select_support
= rdev
->wiphy
.bss_select_support
;
1749 nested
= nla_nest_start(msg
, NL80211_ATTR_BSS_SELECT
);
1751 goto nla_put_failure
;
1754 while (bss_select_support
) {
1755 if ((bss_select_support
& 1) &&
1756 nla_put_flag(msg
, i
))
1757 goto nla_put_failure
;
1759 bss_select_support
>>= 1;
1761 nla_nest_end(msg
, nested
);
1765 state
->split_start
= 0;
1769 genlmsg_end(msg
, hdr
);
1773 genlmsg_cancel(msg
, hdr
);
1777 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1778 struct netlink_callback
*cb
,
1779 struct nl80211_dump_wiphy_state
*state
)
1781 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1782 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1783 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1784 /* ignore parse errors for backward compatibility */
1788 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1789 if (tb
[NL80211_ATTR_WIPHY
])
1790 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1791 if (tb
[NL80211_ATTR_WDEV
])
1792 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1793 if (tb
[NL80211_ATTR_IFINDEX
]) {
1794 struct net_device
*netdev
;
1795 struct cfg80211_registered_device
*rdev
;
1796 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1798 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1801 if (netdev
->ieee80211_ptr
) {
1802 rdev
= wiphy_to_rdev(
1803 netdev
->ieee80211_ptr
->wiphy
);
1804 state
->filter_wiphy
= rdev
->wiphy_idx
;
1811 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1814 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1815 struct cfg80211_registered_device
*rdev
;
1819 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1824 state
->filter_wiphy
= -1;
1825 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1831 cb
->args
[0] = (long)state
;
1834 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1835 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1837 if (++idx
<= state
->start
)
1839 if (state
->filter_wiphy
!= -1 &&
1840 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1842 /* attempt to fit multiple wiphy data chunks into the skb */
1844 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1846 NETLINK_CB(cb
->skb
).portid
,
1848 NLM_F_MULTI
, state
);
1851 * If sending the wiphy data didn't fit (ENOBUFS
1852 * or EMSGSIZE returned), this SKB is still
1853 * empty (so it's not too big because another
1854 * wiphy dataset is already in the skb) and
1855 * we've not tried to adjust the dump allocation
1856 * yet ... then adjust the alloc size to be
1857 * bigger, and return 1 but with the empty skb.
1858 * This results in an empty message being RX'ed
1859 * in userspace, but that is ignored.
1861 * We can then retry with the larger buffer.
1863 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1864 !skb
->len
&& !state
->split
&&
1865 cb
->min_dump_alloc
< 4096) {
1866 cb
->min_dump_alloc
= 4096;
1867 state
->split_start
= 0;
1874 } while (state
->split_start
> 0);
1884 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1886 kfree((void *)cb
->args
[0]);
1890 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1892 struct sk_buff
*msg
;
1893 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1894 struct nl80211_dump_wiphy_state state
= {};
1896 msg
= nlmsg_new(4096, GFP_KERNEL
);
1900 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1901 info
->snd_portid
, info
->snd_seq
, 0,
1907 return genlmsg_reply(msg
, info
);
1910 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1911 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1912 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1913 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1914 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1915 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1918 static int parse_txq_params(struct nlattr
*tb
[],
1919 struct ieee80211_txq_params
*txq_params
)
1921 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1922 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1923 !tb
[NL80211_TXQ_ATTR_AIFS
])
1926 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1927 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1928 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1929 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1930 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1932 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1938 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1941 * You can only set the channel explicitly for WDS interfaces,
1942 * all others have their channel managed via their respective
1943 * "establish a connection" command (connect, join, ...)
1945 * For AP/GO and mesh mode, the channel can be set with the
1946 * channel userspace API, but is only stored and passed to the
1947 * low-level driver when the AP starts or the mesh is joined.
1948 * This is for backward compatibility, userspace can also give
1949 * the channel in the start-ap or join-mesh commands instead.
1951 * Monitors are special as they are normally slaved to
1952 * whatever else is going on, so they have their own special
1953 * operation to set the monitor channel if possible.
1956 wdev
->iftype
== NL80211_IFTYPE_AP
||
1957 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1958 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1959 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1962 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1963 struct genl_info
*info
,
1964 struct cfg80211_chan_def
*chandef
)
1968 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1971 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1973 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1974 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1975 chandef
->center_freq1
= control_freq
;
1976 chandef
->center_freq2
= 0;
1978 /* Primary channel not allowed */
1979 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1982 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1983 enum nl80211_channel_type chantype
;
1985 chantype
= nla_get_u32(
1986 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1989 case NL80211_CHAN_NO_HT
:
1990 case NL80211_CHAN_HT20
:
1991 case NL80211_CHAN_HT40PLUS
:
1992 case NL80211_CHAN_HT40MINUS
:
1993 cfg80211_chandef_create(chandef
, chandef
->chan
,
1999 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
2001 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
2002 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
2003 chandef
->center_freq1
=
2005 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
2006 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
2007 chandef
->center_freq2
=
2009 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
2012 if (!cfg80211_chandef_valid(chandef
))
2015 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
2016 IEEE80211_CHAN_DISABLED
))
2019 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
2020 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
2021 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
2027 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
2028 struct net_device
*dev
,
2029 struct genl_info
*info
)
2031 struct cfg80211_chan_def chandef
;
2033 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
2034 struct wireless_dev
*wdev
= NULL
;
2037 wdev
= dev
->ieee80211_ptr
;
2038 if (!nl80211_can_set_dev_channel(wdev
))
2041 iftype
= wdev
->iftype
;
2043 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2048 case NL80211_IFTYPE_AP
:
2049 case NL80211_IFTYPE_P2P_GO
:
2050 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2055 if (wdev
->beacon_interval
) {
2056 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2057 !(rdev
->wiphy
.features
&
2058 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2063 /* Only allow dynamic channel width changes */
2064 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2068 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2072 wdev
->preset_chandef
= chandef
;
2075 case NL80211_IFTYPE_MESH_POINT
:
2076 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2078 case NL80211_IFTYPE_MONITOR
:
2079 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2088 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2090 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2091 struct net_device
*netdev
= info
->user_ptr
[1];
2093 return __nl80211_set_channel(rdev
, netdev
, info
);
2096 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2098 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2099 struct net_device
*dev
= info
->user_ptr
[1];
2100 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2103 if (!info
->attrs
[NL80211_ATTR_MAC
])
2106 if (netif_running(dev
))
2109 if (!rdev
->ops
->set_wds_peer
)
2112 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2115 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2116 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2120 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2122 struct cfg80211_registered_device
*rdev
;
2123 struct net_device
*netdev
= NULL
;
2124 struct wireless_dev
*wdev
;
2125 int result
= 0, rem_txq_params
= 0;
2126 struct nlattr
*nl_txq_params
;
2128 u8 retry_short
= 0, retry_long
= 0;
2129 u32 frag_threshold
= 0, rts_threshold
= 0;
2130 u8 coverage_class
= 0;
2135 * Try to find the wiphy and netdev. Normally this
2136 * function shouldn't need the netdev, but this is
2137 * done for backward compatibility -- previously
2138 * setting the channel was done per wiphy, but now
2139 * it is per netdev. Previous userland like hostapd
2140 * also passed a netdev to set_wiphy, so that it is
2141 * possible to let that go to the right netdev!
2144 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2145 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2147 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2148 if (netdev
&& netdev
->ieee80211_ptr
)
2149 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2155 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2158 return PTR_ERR(rdev
);
2163 wdev
= netdev
->ieee80211_ptr
;
2166 * end workaround code, by now the rdev is available
2167 * and locked, and wdev may or may not be NULL.
2170 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2171 result
= cfg80211_dev_rename(
2172 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2177 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2178 struct ieee80211_txq_params txq_params
;
2179 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2181 if (!rdev
->ops
->set_txq_params
)
2187 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2188 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2191 if (!netif_running(netdev
))
2194 nla_for_each_nested(nl_txq_params
,
2195 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2197 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2198 nla_data(nl_txq_params
),
2199 nla_len(nl_txq_params
),
2203 result
= parse_txq_params(tb
, &txq_params
);
2207 result
= rdev_set_txq_params(rdev
, netdev
,
2214 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2215 result
= __nl80211_set_channel(
2217 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2223 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2224 struct wireless_dev
*txp_wdev
= wdev
;
2225 enum nl80211_tx_power_setting type
;
2228 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2231 if (!rdev
->ops
->set_tx_power
)
2234 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2235 type
= nla_get_u32(info
->attrs
[idx
]);
2237 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2238 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2241 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2242 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2243 mbm
= nla_get_u32(info
->attrs
[idx
]);
2246 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2251 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2252 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2254 if ((!rdev
->wiphy
.available_antennas_tx
&&
2255 !rdev
->wiphy
.available_antennas_rx
) ||
2256 !rdev
->ops
->set_antenna
)
2259 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2260 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2262 /* reject antenna configurations which don't match the
2263 * available antenna masks, except for the "all" mask */
2264 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2265 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2268 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2269 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2271 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2278 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2279 retry_short
= nla_get_u8(
2280 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2281 if (retry_short
== 0)
2284 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2287 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2288 retry_long
= nla_get_u8(
2289 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2290 if (retry_long
== 0)
2293 changed
|= WIPHY_PARAM_RETRY_LONG
;
2296 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2297 frag_threshold
= nla_get_u32(
2298 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2299 if (frag_threshold
< 256)
2302 if (frag_threshold
!= (u32
) -1) {
2304 * Fragments (apart from the last one) are required to
2305 * have even length. Make the fragmentation code
2306 * simpler by stripping LSB should someone try to use
2307 * odd threshold value.
2309 frag_threshold
&= ~0x1;
2311 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2314 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2315 rts_threshold
= nla_get_u32(
2316 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2317 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2320 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2321 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2324 coverage_class
= nla_get_u8(
2325 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2326 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2329 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2330 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2333 changed
|= WIPHY_PARAM_DYN_ACK
;
2337 u8 old_retry_short
, old_retry_long
;
2338 u32 old_frag_threshold
, old_rts_threshold
;
2339 u8 old_coverage_class
;
2341 if (!rdev
->ops
->set_wiphy_params
)
2344 old_retry_short
= rdev
->wiphy
.retry_short
;
2345 old_retry_long
= rdev
->wiphy
.retry_long
;
2346 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2347 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2348 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2350 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2351 rdev
->wiphy
.retry_short
= retry_short
;
2352 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2353 rdev
->wiphy
.retry_long
= retry_long
;
2354 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2355 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2356 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2357 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2358 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2359 rdev
->wiphy
.coverage_class
= coverage_class
;
2361 result
= rdev_set_wiphy_params(rdev
, changed
);
2363 rdev
->wiphy
.retry_short
= old_retry_short
;
2364 rdev
->wiphy
.retry_long
= old_retry_long
;
2365 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2366 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2367 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2374 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2376 return (u64
)wdev
->identifier
|
2377 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2380 static int nl80211_send_chandef(struct sk_buff
*msg
,
2381 const struct cfg80211_chan_def
*chandef
)
2383 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2386 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2387 chandef
->chan
->center_freq
))
2389 switch (chandef
->width
) {
2390 case NL80211_CHAN_WIDTH_20_NOHT
:
2391 case NL80211_CHAN_WIDTH_20
:
2392 case NL80211_CHAN_WIDTH_40
:
2393 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2394 cfg80211_get_chandef_type(chandef
)))
2400 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2402 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2404 if (chandef
->center_freq2
&&
2405 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2410 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2411 struct cfg80211_registered_device
*rdev
,
2412 struct wireless_dev
*wdev
, bool removal
)
2414 struct net_device
*dev
= wdev
->netdev
;
2415 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2419 cmd
= NL80211_CMD_DEL_INTERFACE
;
2421 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2426 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2427 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2428 goto nla_put_failure
;
2430 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2431 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2432 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
2433 NL80211_ATTR_PAD
) ||
2434 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2435 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2436 rdev
->devlist_generation
^
2437 (cfg80211_rdev_list_generation
<< 2)))
2438 goto nla_put_failure
;
2440 if (rdev
->ops
->get_channel
) {
2442 struct cfg80211_chan_def chandef
;
2444 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2446 if (nl80211_send_chandef(msg
, &chandef
))
2447 goto nla_put_failure
;
2451 if (rdev
->ops
->get_tx_power
) {
2454 ret
= rdev_get_tx_power(rdev
, wdev
, &dbm
);
2456 nla_put_u32(msg
, NL80211_ATTR_WIPHY_TX_POWER_LEVEL
,
2458 goto nla_put_failure
;
2461 if (wdev
->ssid_len
) {
2462 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2463 goto nla_put_failure
;
2466 genlmsg_end(msg
, hdr
);
2470 genlmsg_cancel(msg
, hdr
);
2474 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2478 int wp_start
= cb
->args
[0];
2479 int if_start
= cb
->args
[1];
2480 struct cfg80211_registered_device
*rdev
;
2481 struct wireless_dev
*wdev
;
2484 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2485 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2487 if (wp_idx
< wp_start
) {
2493 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
2494 if (if_idx
< if_start
) {
2498 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2499 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2500 rdev
, wdev
, false) < 0) {
2511 cb
->args
[0] = wp_idx
;
2512 cb
->args
[1] = if_idx
;
2517 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2519 struct sk_buff
*msg
;
2520 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2521 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2523 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2527 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2528 rdev
, wdev
, false) < 0) {
2533 return genlmsg_reply(msg
, info
);
2536 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2537 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2538 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2539 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2540 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2541 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2542 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2545 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2547 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2555 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2556 nla
, mntr_flags_policy
))
2559 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2561 *mntrflags
|= (1<<flag
);
2566 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2567 struct net_device
*netdev
, u8 use_4addr
,
2568 enum nl80211_iftype iftype
)
2571 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2577 case NL80211_IFTYPE_AP_VLAN
:
2578 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2581 case NL80211_IFTYPE_STATION
:
2582 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2592 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2594 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2595 struct vif_params params
;
2597 enum nl80211_iftype otype
, ntype
;
2598 struct net_device
*dev
= info
->user_ptr
[1];
2599 u32 _flags
, *flags
= NULL
;
2600 bool change
= false;
2602 memset(¶ms
, 0, sizeof(params
));
2604 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2606 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2607 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2610 if (ntype
> NL80211_IFTYPE_MAX
)
2614 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2615 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2617 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2619 if (netif_running(dev
))
2623 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2624 IEEE80211_MAX_MESH_ID_LEN
);
2625 wdev
->mesh_id_up_len
=
2626 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2627 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2628 wdev
->mesh_id_up_len
);
2632 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2633 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2635 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2639 params
.use_4addr
= -1;
2642 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2643 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2645 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2654 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2655 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2659 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2663 if (!err
&& params
.use_4addr
!= -1)
2664 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2669 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2671 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2672 struct vif_params params
;
2673 struct wireless_dev
*wdev
;
2674 struct sk_buff
*msg
, *event
;
2676 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2679 /* to avoid failing a new interface creation due to pending removal */
2680 cfg80211_destroy_ifaces(rdev
);
2682 memset(¶ms
, 0, sizeof(params
));
2684 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2687 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2688 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2689 if (type
> NL80211_IFTYPE_MAX
)
2693 if (!rdev
->ops
->add_virtual_intf
||
2694 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2697 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2698 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2699 info
->attrs
[NL80211_ATTR_MAC
]) {
2700 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2702 if (!is_valid_ether_addr(params
.macaddr
))
2703 return -EADDRNOTAVAIL
;
2706 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2707 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2708 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2713 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2714 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2717 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2718 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2721 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2725 wdev
= rdev_add_virtual_intf(rdev
,
2726 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2727 NET_NAME_USER
, type
, err
? NULL
: &flags
,
2729 if (WARN_ON(!wdev
)) {
2732 } else if (IS_ERR(wdev
)) {
2734 return PTR_ERR(wdev
);
2737 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2738 wdev
->owner_nlportid
= info
->snd_portid
;
2741 case NL80211_IFTYPE_MESH_POINT
:
2742 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2745 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2746 IEEE80211_MAX_MESH_ID_LEN
);
2747 wdev
->mesh_id_up_len
=
2748 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2749 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2750 wdev
->mesh_id_up_len
);
2753 case NL80211_IFTYPE_P2P_DEVICE
:
2755 * P2P Device doesn't have a netdev, so doesn't go
2756 * through the netdev notifier and must be added here
2758 mutex_init(&wdev
->mtx
);
2759 INIT_LIST_HEAD(&wdev
->event_list
);
2760 spin_lock_init(&wdev
->event_lock
);
2761 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2762 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2764 wdev
->identifier
= ++rdev
->wdev_id
;
2765 list_add_rcu(&wdev
->list
, &rdev
->wiphy
.wdev_list
);
2766 rdev
->devlist_generation
++;
2772 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2773 rdev
, wdev
, false) < 0) {
2778 event
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2780 if (nl80211_send_iface(event
, 0, 0, 0,
2781 rdev
, wdev
, false) < 0) {
2786 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2787 event
, 0, NL80211_MCGRP_CONFIG
,
2792 return genlmsg_reply(msg
, info
);
2795 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2797 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2798 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2799 struct sk_buff
*msg
;
2802 if (!rdev
->ops
->del_virtual_intf
)
2805 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2806 if (msg
&& nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, true) < 0) {
2812 * If we remove a wireless device without a netdev then clear
2813 * user_ptr[1] so that nl80211_post_doit won't dereference it
2814 * to check if it needs to do dev_put(). Otherwise it crashes
2815 * since the wdev has been freed, unlike with a netdev where
2816 * we need the dev_put() for the netdev to really be freed.
2819 info
->user_ptr
[1] = NULL
;
2821 status
= rdev_del_virtual_intf(rdev
, wdev
);
2822 if (status
>= 0 && msg
)
2823 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2824 msg
, 0, NL80211_MCGRP_CONFIG
,
2832 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2834 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2835 struct net_device
*dev
= info
->user_ptr
[1];
2838 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2841 if (!rdev
->ops
->set_noack_map
)
2844 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2846 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2849 struct get_key_cookie
{
2850 struct sk_buff
*msg
;
2855 static void get_key_callback(void *c
, struct key_params
*params
)
2858 struct get_key_cookie
*cookie
= c
;
2861 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2862 params
->key_len
, params
->key
)) ||
2864 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2865 params
->seq_len
, params
->seq
)) ||
2867 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2869 goto nla_put_failure
;
2871 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2873 goto nla_put_failure
;
2876 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2877 params
->key_len
, params
->key
)) ||
2879 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2880 params
->seq_len
, params
->seq
)) ||
2882 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2884 goto nla_put_failure
;
2886 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2887 goto nla_put_failure
;
2889 nla_nest_end(cookie
->msg
, key
);
2896 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2898 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2900 struct net_device
*dev
= info
->user_ptr
[1];
2902 const u8
*mac_addr
= NULL
;
2904 struct get_key_cookie cookie
= {
2908 struct sk_buff
*msg
;
2910 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2911 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2916 if (info
->attrs
[NL80211_ATTR_MAC
])
2917 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2919 pairwise
= !!mac_addr
;
2920 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2921 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2922 if (kt
>= NUM_NL80211_KEYTYPES
)
2924 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2925 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2927 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2930 if (!rdev
->ops
->get_key
)
2933 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2936 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2940 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2941 NL80211_CMD_NEW_KEY
);
2943 goto nla_put_failure
;
2946 cookie
.idx
= key_idx
;
2948 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2949 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2950 goto nla_put_failure
;
2952 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2953 goto nla_put_failure
;
2955 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2962 goto nla_put_failure
;
2964 genlmsg_end(msg
, hdr
);
2965 return genlmsg_reply(msg
, info
);
2974 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2976 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2977 struct key_parse key
;
2979 struct net_device
*dev
= info
->user_ptr
[1];
2981 err
= nl80211_parse_key(info
, &key
);
2988 /* only support setting default key */
2989 if (!key
.def
&& !key
.defmgmt
)
2992 wdev_lock(dev
->ieee80211_ptr
);
2995 if (!rdev
->ops
->set_default_key
) {
3000 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3004 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3005 key
.def_uni
, key
.def_multi
);
3010 #ifdef CONFIG_CFG80211_WEXT
3011 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3014 if (key
.def_uni
|| !key
.def_multi
) {
3019 if (!rdev
->ops
->set_default_mgmt_key
) {
3024 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3028 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3032 #ifdef CONFIG_CFG80211_WEXT
3033 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3038 wdev_unlock(dev
->ieee80211_ptr
);
3043 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3045 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3047 struct net_device
*dev
= info
->user_ptr
[1];
3048 struct key_parse key
;
3049 const u8
*mac_addr
= NULL
;
3051 err
= nl80211_parse_key(info
, &key
);
3058 if (info
->attrs
[NL80211_ATTR_MAC
])
3059 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3061 if (key
.type
== -1) {
3063 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3065 key
.type
= NL80211_KEYTYPE_GROUP
;
3069 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3070 key
.type
!= NL80211_KEYTYPE_GROUP
)
3073 if (!rdev
->ops
->add_key
)
3076 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3077 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3081 wdev_lock(dev
->ieee80211_ptr
);
3082 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3084 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3085 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3087 wdev_unlock(dev
->ieee80211_ptr
);
3092 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3094 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3096 struct net_device
*dev
= info
->user_ptr
[1];
3097 u8
*mac_addr
= NULL
;
3098 struct key_parse key
;
3100 err
= nl80211_parse_key(info
, &key
);
3104 if (info
->attrs
[NL80211_ATTR_MAC
])
3105 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3107 if (key
.type
== -1) {
3109 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3111 key
.type
= NL80211_KEYTYPE_GROUP
;
3115 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3116 key
.type
!= NL80211_KEYTYPE_GROUP
)
3119 if (!rdev
->ops
->del_key
)
3122 wdev_lock(dev
->ieee80211_ptr
);
3123 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3125 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3126 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3130 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3131 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3134 #ifdef CONFIG_CFG80211_WEXT
3136 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3137 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3138 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3139 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3142 wdev_unlock(dev
->ieee80211_ptr
);
3147 /* This function returns an error or the number of nested attributes */
3148 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3150 struct nlattr
*attr
;
3151 int n_entries
= 0, tmp
;
3153 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3154 if (nla_len(attr
) != ETH_ALEN
)
3164 * This function parses ACL information and allocates memory for ACL data.
3165 * On successful return, the calling function is responsible to free the
3166 * ACL buffer returned by this function.
3168 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3169 struct genl_info
*info
)
3171 enum nl80211_acl_policy acl_policy
;
3172 struct nlattr
*attr
;
3173 struct cfg80211_acl_data
*acl
;
3174 int i
= 0, n_entries
, tmp
;
3176 if (!wiphy
->max_acl_mac_addrs
)
3177 return ERR_PTR(-EOPNOTSUPP
);
3179 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3180 return ERR_PTR(-EINVAL
);
3182 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3183 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3184 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3185 return ERR_PTR(-EINVAL
);
3187 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3188 return ERR_PTR(-EINVAL
);
3190 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3192 return ERR_PTR(n_entries
);
3194 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3195 return ERR_PTR(-ENOTSUPP
);
3197 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3200 return ERR_PTR(-ENOMEM
);
3202 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3203 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3207 acl
->n_acl_entries
= n_entries
;
3208 acl
->acl_policy
= acl_policy
;
3213 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3215 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3216 struct net_device
*dev
= info
->user_ptr
[1];
3217 struct cfg80211_acl_data
*acl
;
3220 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3221 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3224 if (!dev
->ieee80211_ptr
->beacon_interval
)
3227 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3229 return PTR_ERR(acl
);
3231 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3238 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3239 struct cfg80211_beacon_data
*bcn
)
3241 bool haveinfo
= false;
3243 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3244 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3245 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3246 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3249 memset(bcn
, 0, sizeof(*bcn
));
3251 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3252 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3253 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3259 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3260 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3261 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3268 if (attrs
[NL80211_ATTR_IE
]) {
3269 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3270 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3273 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3274 bcn
->proberesp_ies
=
3275 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3276 bcn
->proberesp_ies_len
=
3277 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3280 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3281 bcn
->assocresp_ies
=
3282 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3283 bcn
->assocresp_ies_len
=
3284 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3287 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3288 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3289 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3295 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3296 struct cfg80211_ap_settings
*params
)
3298 struct wireless_dev
*wdev
;
3301 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3302 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3303 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3306 if (!wdev
->preset_chandef
.chan
)
3309 params
->chandef
= wdev
->preset_chandef
;
3317 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3318 enum nl80211_auth_type auth_type
,
3319 enum nl80211_commands cmd
)
3321 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3325 case NL80211_CMD_AUTHENTICATE
:
3326 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3327 auth_type
== NL80211_AUTHTYPE_SAE
)
3330 case NL80211_CMD_CONNECT
:
3331 case NL80211_CMD_START_AP
:
3332 /* SAE not supported yet */
3333 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3341 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3343 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3344 struct net_device
*dev
= info
->user_ptr
[1];
3345 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3346 struct cfg80211_ap_settings params
;
3349 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3350 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3353 if (!rdev
->ops
->start_ap
)
3356 if (wdev
->beacon_interval
)
3359 memset(¶ms
, 0, sizeof(params
));
3361 /* these are required for START_AP */
3362 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3363 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3364 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3367 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3371 params
.beacon_interval
=
3372 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3373 params
.dtim_period
=
3374 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3376 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3381 * In theory, some of these attributes should be required here
3382 * but since they were not used when the command was originally
3383 * added, keep them optional for old user space programs to let
3384 * them continue to work with drivers that do not need the
3385 * additional information -- drivers must check!
3387 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3388 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3390 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3391 if (params
.ssid_len
== 0 ||
3392 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3396 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3397 params
.hidden_ssid
= nla_get_u32(
3398 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3399 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3400 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3401 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3405 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3407 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3408 params
.auth_type
= nla_get_u32(
3409 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3410 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3411 NL80211_CMD_START_AP
))
3414 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3416 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3417 NL80211_MAX_NR_CIPHER_SUITES
);
3421 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3422 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3424 params
.inactivity_timeout
= nla_get_u16(
3425 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3428 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3429 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3431 params
.p2p_ctwindow
=
3432 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3433 if (params
.p2p_ctwindow
> 127)
3435 if (params
.p2p_ctwindow
!= 0 &&
3436 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3440 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3443 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3445 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3448 params
.p2p_opp_ps
= tmp
;
3449 if (params
.p2p_opp_ps
!= 0 &&
3450 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3454 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3455 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3458 } else if (wdev
->preset_chandef
.chan
) {
3459 params
.chandef
= wdev
->preset_chandef
;
3460 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3463 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
3467 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3469 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3470 switch (params
.smps_mode
) {
3471 case NL80211_SMPS_OFF
:
3473 case NL80211_SMPS_STATIC
:
3474 if (!(rdev
->wiphy
.features
&
3475 NL80211_FEATURE_STATIC_SMPS
))
3478 case NL80211_SMPS_DYNAMIC
:
3479 if (!(rdev
->wiphy
.features
&
3480 NL80211_FEATURE_DYNAMIC_SMPS
))
3487 params
.smps_mode
= NL80211_SMPS_OFF
;
3490 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3491 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3492 if (IS_ERR(params
.acl
))
3493 return PTR_ERR(params
.acl
);
3496 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
3497 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
3501 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3503 wdev
->preset_chandef
= params
.chandef
;
3504 wdev
->beacon_interval
= params
.beacon_interval
;
3505 wdev
->chandef
= params
.chandef
;
3506 wdev
->ssid_len
= params
.ssid_len
;
3507 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3516 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3518 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3519 struct net_device
*dev
= info
->user_ptr
[1];
3520 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3521 struct cfg80211_beacon_data params
;
3524 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3525 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3528 if (!rdev
->ops
->change_beacon
)
3531 if (!wdev
->beacon_interval
)
3534 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3539 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3545 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3547 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3548 struct net_device
*dev
= info
->user_ptr
[1];
3550 return cfg80211_stop_ap(rdev
, dev
, false);
3553 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3554 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3555 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3556 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3557 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3558 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3559 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3562 static int parse_station_flags(struct genl_info
*info
,
3563 enum nl80211_iftype iftype
,
3564 struct station_parameters
*params
)
3566 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3571 * Try parsing the new attribute first so userspace
3572 * can specify both for older kernels.
3574 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3576 struct nl80211_sta_flag_update
*sta_flags
;
3578 sta_flags
= nla_data(nla
);
3579 params
->sta_flags_mask
= sta_flags
->mask
;
3580 params
->sta_flags_set
= sta_flags
->set
;
3581 params
->sta_flags_set
&= params
->sta_flags_mask
;
3582 if ((params
->sta_flags_mask
|
3583 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3588 /* if present, parse the old attribute */
3590 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3594 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3595 nla
, sta_flags_policy
))
3599 * Only allow certain flags for interface types so that
3600 * other attributes are silently ignored. Remember that
3601 * this is backward compatibility code with old userspace
3602 * and shouldn't be hit in other cases anyway.
3605 case NL80211_IFTYPE_AP
:
3606 case NL80211_IFTYPE_AP_VLAN
:
3607 case NL80211_IFTYPE_P2P_GO
:
3608 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3609 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3610 BIT(NL80211_STA_FLAG_WME
) |
3611 BIT(NL80211_STA_FLAG_MFP
);
3613 case NL80211_IFTYPE_P2P_CLIENT
:
3614 case NL80211_IFTYPE_STATION
:
3615 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3616 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3618 case NL80211_IFTYPE_MESH_POINT
:
3619 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3620 BIT(NL80211_STA_FLAG_MFP
) |
3621 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3626 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3628 params
->sta_flags_set
|= (1<<flag
);
3630 /* no longer support new API additions in old API */
3631 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3639 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3642 struct nlattr
*rate
;
3645 enum nl80211_attrs rate_flg
;
3647 rate
= nla_nest_start(msg
, attr
);
3651 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3652 bitrate
= cfg80211_calculate_bitrate(info
);
3653 /* report 16-bit bitrate only if we can */
3654 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3656 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3658 if (bitrate_compat
> 0 &&
3659 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3663 case RATE_INFO_BW_5
:
3664 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
3666 case RATE_INFO_BW_10
:
3667 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
3672 case RATE_INFO_BW_20
:
3675 case RATE_INFO_BW_40
:
3676 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
3678 case RATE_INFO_BW_80
:
3679 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
3681 case RATE_INFO_BW_160
:
3682 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
3686 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
3689 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3690 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3692 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3693 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3695 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3696 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3698 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3700 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3701 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3705 nla_nest_end(msg
, rate
);
3709 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3718 attr
= nla_nest_start(msg
, id
);
3722 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3723 if (!(mask
& BIT(i
)))
3726 if (nla_put_u8(msg
, i
, signal
[i
]))
3730 nla_nest_end(msg
, attr
);
3735 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
3737 struct cfg80211_registered_device
*rdev
,
3738 struct net_device
*dev
,
3739 const u8
*mac_addr
, struct station_info
*sinfo
)
3742 struct nlattr
*sinfoattr
, *bss_param
;
3744 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
3748 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3749 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3750 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3751 goto nla_put_failure
;
3753 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3755 goto nla_put_failure
;
3757 #define PUT_SINFO(attr, memb, type) do { \
3758 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
3759 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
3760 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
3762 goto nla_put_failure; \
3764 #define PUT_SINFO_U64(attr, memb) do { \
3765 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
3766 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
3767 sinfo->memb, NL80211_STA_INFO_PAD)) \
3768 goto nla_put_failure; \
3771 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
3772 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
3774 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
3775 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
3776 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3777 (u32
)sinfo
->rx_bytes
))
3778 goto nla_put_failure
;
3780 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
3781 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
3782 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3783 (u32
)sinfo
->tx_bytes
))
3784 goto nla_put_failure
;
3786 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
3787 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
3788 PUT_SINFO(LLID
, llid
, u16
);
3789 PUT_SINFO(PLID
, plid
, u16
);
3790 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
3791 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
3793 switch (rdev
->wiphy
.signal_type
) {
3794 case CFG80211_SIGNAL_TYPE_MBM
:
3795 PUT_SINFO(SIGNAL
, signal
, u8
);
3796 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
3801 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
3802 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3803 sinfo
->chain_signal
,
3804 NL80211_STA_INFO_CHAIN_SIGNAL
))
3805 goto nla_put_failure
;
3807 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
3808 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3809 sinfo
->chain_signal_avg
,
3810 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3811 goto nla_put_failure
;
3813 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
3814 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3815 NL80211_STA_INFO_TX_BITRATE
))
3816 goto nla_put_failure
;
3818 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
3819 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3820 NL80211_STA_INFO_RX_BITRATE
))
3821 goto nla_put_failure
;
3824 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
3825 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
3826 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
3827 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
3828 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
3829 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
3830 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
3831 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
3832 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
3834 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
3835 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3837 goto nla_put_failure
;
3839 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3840 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3841 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3842 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3843 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3844 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3845 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3846 sinfo
->bss_param
.dtim_period
) ||
3847 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3848 sinfo
->bss_param
.beacon_interval
))
3849 goto nla_put_failure
;
3851 nla_nest_end(msg
, bss_param
);
3853 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
3854 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3855 sizeof(struct nl80211_sta_flag_update
),
3857 goto nla_put_failure
;
3859 PUT_SINFO_U64(T_OFFSET
, t_offset
);
3860 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
3861 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
3862 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
3865 #undef PUT_SINFO_U64
3867 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
3868 struct nlattr
*tidsattr
;
3871 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
3873 goto nla_put_failure
;
3875 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
3876 struct cfg80211_tid_stats
*tidstats
;
3877 struct nlattr
*tidattr
;
3879 tidstats
= &sinfo
->pertid
[tid
];
3881 if (!tidstats
->filled
)
3884 tidattr
= nla_nest_start(msg
, tid
+ 1);
3886 goto nla_put_failure
;
3888 #define PUT_TIDVAL_U64(attr, memb) do { \
3889 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
3890 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
3891 tidstats->memb, NL80211_TID_STATS_PAD)) \
3892 goto nla_put_failure; \
3895 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
3896 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
3897 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
3898 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
3900 #undef PUT_TIDVAL_U64
3901 nla_nest_end(msg
, tidattr
);
3904 nla_nest_end(msg
, tidsattr
);
3907 nla_nest_end(msg
, sinfoattr
);
3909 if (sinfo
->assoc_req_ies_len
&&
3910 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3911 sinfo
->assoc_req_ies
))
3912 goto nla_put_failure
;
3914 genlmsg_end(msg
, hdr
);
3918 genlmsg_cancel(msg
, hdr
);
3922 static int nl80211_dump_station(struct sk_buff
*skb
,
3923 struct netlink_callback
*cb
)
3925 struct station_info sinfo
;
3926 struct cfg80211_registered_device
*rdev
;
3927 struct wireless_dev
*wdev
;
3928 u8 mac_addr
[ETH_ALEN
];
3929 int sta_idx
= cb
->args
[2];
3932 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3936 if (!wdev
->netdev
) {
3941 if (!rdev
->ops
->dump_station
) {
3947 memset(&sinfo
, 0, sizeof(sinfo
));
3948 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3955 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
3956 NETLINK_CB(cb
->skb
).portid
,
3957 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3958 rdev
, wdev
->netdev
, mac_addr
,
3967 cb
->args
[2] = sta_idx
;
3970 nl80211_finish_wdev_dump(rdev
);
3975 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3977 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3978 struct net_device
*dev
= info
->user_ptr
[1];
3979 struct station_info sinfo
;
3980 struct sk_buff
*msg
;
3981 u8
*mac_addr
= NULL
;
3984 memset(&sinfo
, 0, sizeof(sinfo
));
3986 if (!info
->attrs
[NL80211_ATTR_MAC
])
3989 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3991 if (!rdev
->ops
->get_station
)
3994 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3998 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4002 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4003 info
->snd_portid
, info
->snd_seq
, 0,
4004 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4009 return genlmsg_reply(msg
, info
);
4012 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4013 struct station_parameters
*params
,
4014 enum cfg80211_station_type statype
)
4016 if (params
->listen_interval
!= -1 &&
4017 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4020 if (params
->support_p2p_ps
!= -1 &&
4021 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4025 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4026 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4029 /* When you run into this, adjust the code below for the new flag */
4030 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4033 case CFG80211_STA_MESH_PEER_KERNEL
:
4034 case CFG80211_STA_MESH_PEER_USER
:
4036 * No ignoring the TDLS flag here -- the userspace mesh
4037 * code doesn't have the bug of including TDLS in the
4040 if (params
->sta_flags_mask
&
4041 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4042 BIT(NL80211_STA_FLAG_MFP
) |
4043 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4046 case CFG80211_STA_TDLS_PEER_SETUP
:
4047 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4048 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4050 /* ignore since it can't change */
4051 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4054 /* disallow mesh-specific things */
4055 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4057 if (params
->local_pm
)
4059 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4063 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4064 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4065 /* TDLS can't be set, ... */
4066 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4069 * ... but don't bother the driver with it. This works around
4070 * a hostapd/wpa_supplicant issue -- it always includes the
4071 * TLDS_PEER flag in the mask even for AP mode.
4073 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4076 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4077 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4078 /* reject other things that can't change */
4079 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4081 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4083 if (params
->supported_rates
)
4085 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4089 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4090 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4096 case CFG80211_STA_AP_MLME_CLIENT
:
4097 /* Use this only for authorizing/unauthorizing a station */
4098 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4101 case CFG80211_STA_AP_CLIENT
:
4102 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4103 /* accept only the listed bits */
4104 if (params
->sta_flags_mask
&
4105 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4106 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4107 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4108 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4109 BIT(NL80211_STA_FLAG_WME
) |
4110 BIT(NL80211_STA_FLAG_MFP
)))
4113 /* but authenticated/associated only if driver handles it */
4114 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4115 params
->sta_flags_mask
&
4116 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4117 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4120 case CFG80211_STA_IBSS
:
4121 case CFG80211_STA_AP_STA
:
4122 /* reject any changes other than AUTHORIZED */
4123 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4126 case CFG80211_STA_TDLS_PEER_SETUP
:
4127 /* reject any changes other than AUTHORIZED or WME */
4128 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4129 BIT(NL80211_STA_FLAG_WME
)))
4131 /* force (at least) rates when authorizing */
4132 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4133 !params
->supported_rates
)
4136 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4137 /* reject any changes */
4139 case CFG80211_STA_MESH_PEER_KERNEL
:
4140 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4143 case CFG80211_STA_MESH_PEER_USER
:
4144 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4145 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4152 EXPORT_SYMBOL(cfg80211_check_station_change
);
4155 * Get vlan interface making sure it is running and on the right wiphy.
4157 static struct net_device
*get_vlan(struct genl_info
*info
,
4158 struct cfg80211_registered_device
*rdev
)
4160 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4161 struct net_device
*v
;
4167 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4169 return ERR_PTR(-ENODEV
);
4171 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4176 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4177 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4178 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4183 if (!netif_running(v
)) {
4191 return ERR_PTR(ret
);
4194 static const struct nla_policy
4195 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4196 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4197 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4200 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4201 struct station_parameters
*params
)
4203 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4207 /* parse WME attributes if present */
4208 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4211 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4212 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4213 nl80211_sta_wme_policy
);
4217 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4218 params
->uapsd_queues
= nla_get_u8(
4219 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4220 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4223 if (tb
[NL80211_STA_WME_MAX_SP
])
4224 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4226 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4229 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4234 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4235 struct station_parameters
*params
)
4237 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4238 params
->supported_channels
=
4239 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4240 params
->supported_channels_len
=
4241 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4243 * Need to include at least one (first channel, number of
4244 * channels) tuple for each subband, and must have proper
4245 * tuples for the rest of the data as well.
4247 if (params
->supported_channels_len
< 2)
4249 if (params
->supported_channels_len
% 2)
4253 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4254 params
->supported_oper_classes
=
4255 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4256 params
->supported_oper_classes_len
=
4257 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4259 * The value of the Length field of the Supported Operating
4260 * Classes element is between 2 and 253.
4262 if (params
->supported_oper_classes_len
< 2 ||
4263 params
->supported_oper_classes_len
> 253)
4269 static int nl80211_set_station_tdls(struct genl_info
*info
,
4270 struct station_parameters
*params
)
4273 /* Dummy STA entry gets updated once the peer capabilities are known */
4274 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4275 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4276 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4278 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4279 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4281 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4283 err
= nl80211_parse_sta_channel_info(info
, params
);
4287 return nl80211_parse_sta_wme(info
, params
);
4290 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4292 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4293 struct net_device
*dev
= info
->user_ptr
[1];
4294 struct station_parameters params
;
4298 memset(¶ms
, 0, sizeof(params
));
4300 if (!rdev
->ops
->change_station
)
4304 * AID and listen_interval properties can be set only for unassociated
4305 * station. Include these parameters here and will check them in
4306 * cfg80211_check_station_change().
4308 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4309 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4311 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4312 params
.listen_interval
=
4313 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4315 params
.listen_interval
= -1;
4317 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4320 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4321 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4324 params
.support_p2p_ps
= tmp
;
4326 params
.support_p2p_ps
= -1;
4329 if (!info
->attrs
[NL80211_ATTR_MAC
])
4332 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4334 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4335 params
.supported_rates
=
4336 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4337 params
.supported_rates_len
=
4338 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4341 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4343 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4344 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4347 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4349 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4350 params
.ext_capab_len
=
4351 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4354 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4357 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4358 params
.plink_action
=
4359 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4360 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4364 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4365 params
.plink_state
=
4366 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4367 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4369 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4372 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4373 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4374 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4376 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4377 pm
> NL80211_MESH_POWER_MAX
)
4380 params
.local_pm
= pm
;
4383 /* Include parameters for TDLS peer (will check later) */
4384 err
= nl80211_set_station_tdls(info
, ¶ms
);
4388 params
.vlan
= get_vlan(info
, rdev
);
4389 if (IS_ERR(params
.vlan
))
4390 return PTR_ERR(params
.vlan
);
4392 switch (dev
->ieee80211_ptr
->iftype
) {
4393 case NL80211_IFTYPE_AP
:
4394 case NL80211_IFTYPE_AP_VLAN
:
4395 case NL80211_IFTYPE_P2P_GO
:
4396 case NL80211_IFTYPE_P2P_CLIENT
:
4397 case NL80211_IFTYPE_STATION
:
4398 case NL80211_IFTYPE_ADHOC
:
4399 case NL80211_IFTYPE_MESH_POINT
:
4406 /* driver will call cfg80211_check_station_change() */
4407 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4411 dev_put(params
.vlan
);
4416 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4418 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4420 struct net_device
*dev
= info
->user_ptr
[1];
4421 struct station_parameters params
;
4422 u8
*mac_addr
= NULL
;
4423 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4424 BIT(NL80211_STA_FLAG_ASSOCIATED
);
4426 memset(¶ms
, 0, sizeof(params
));
4428 if (!rdev
->ops
->add_station
)
4431 if (!info
->attrs
[NL80211_ATTR_MAC
])
4434 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4437 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4440 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4441 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4444 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4445 params
.supported_rates
=
4446 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4447 params
.supported_rates_len
=
4448 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4449 params
.listen_interval
=
4450 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4452 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4455 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4456 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4459 params
.support_p2p_ps
= tmp
;
4462 * if not specified, assume it's supported for P2P GO interface,
4463 * and is NOT supported for AP interface
4465 params
.support_p2p_ps
=
4466 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
4469 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4470 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4472 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4473 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4476 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4478 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4479 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4482 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4484 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4485 params
.ext_capab_len
=
4486 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4489 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4491 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4493 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4495 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4497 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4498 params
.opmode_notif_used
= true;
4499 params
.opmode_notif
=
4500 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4503 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4504 params
.plink_action
=
4505 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4506 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4510 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4514 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4518 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4521 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
4522 * as userspace might just pass through the capabilities from the IEs
4523 * directly, rather than enforcing this restriction and returning an
4524 * error in this case.
4526 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
4527 params
.ht_capa
= NULL
;
4528 params
.vht_capa
= NULL
;
4531 /* When you run into this, adjust the code below for the new flag */
4532 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4534 switch (dev
->ieee80211_ptr
->iftype
) {
4535 case NL80211_IFTYPE_AP
:
4536 case NL80211_IFTYPE_AP_VLAN
:
4537 case NL80211_IFTYPE_P2P_GO
:
4538 /* ignore WME attributes if iface/sta is not capable */
4539 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4540 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4541 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4543 /* TDLS peers cannot be added */
4544 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4545 info
->attrs
[NL80211_ATTR_PEER_AID
])
4547 /* but don't bother the driver with it */
4548 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4550 /* allow authenticated/associated only if driver handles it */
4551 if (!(rdev
->wiphy
.features
&
4552 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4553 params
.sta_flags_mask
& auth_assoc
)
4556 /* Older userspace, or userspace wanting to be compatible with
4557 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
4558 * and assoc flags in the mask, but assumes the station will be
4559 * added as associated anyway since this was the required driver
4560 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
4562 * In order to not bother drivers with this quirk in the API
4563 * set the flags in both the mask and set for new stations in
4566 if (!(params
.sta_flags_mask
& auth_assoc
)) {
4567 params
.sta_flags_mask
|= auth_assoc
;
4568 params
.sta_flags_set
|= auth_assoc
;
4571 /* must be last in here for error handling */
4572 params
.vlan
= get_vlan(info
, rdev
);
4573 if (IS_ERR(params
.vlan
))
4574 return PTR_ERR(params
.vlan
);
4576 case NL80211_IFTYPE_MESH_POINT
:
4577 /* ignore uAPSD data */
4578 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4580 /* associated is disallowed */
4581 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4583 /* TDLS peers cannot be added */
4584 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4585 info
->attrs
[NL80211_ATTR_PEER_AID
])
4588 case NL80211_IFTYPE_STATION
:
4589 case NL80211_IFTYPE_P2P_CLIENT
:
4590 /* ignore uAPSD data */
4591 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4593 /* these are disallowed */
4594 if (params
.sta_flags_mask
&
4595 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4596 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4598 /* Only TDLS peers can be added */
4599 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4601 /* Can only add if TDLS ... */
4602 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4604 /* ... with external setup is supported */
4605 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4608 * Older wpa_supplicant versions always mark the TDLS peer
4609 * as authorized, but it shouldn't yet be.
4611 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4617 /* be aware of params.vlan when changing code here */
4619 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4622 dev_put(params
.vlan
);
4626 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4628 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4629 struct net_device
*dev
= info
->user_ptr
[1];
4630 struct station_del_parameters params
;
4632 memset(¶ms
, 0, sizeof(params
));
4634 if (info
->attrs
[NL80211_ATTR_MAC
])
4635 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4637 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4638 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4639 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4640 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4643 if (!rdev
->ops
->del_station
)
4646 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4648 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4649 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4650 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4653 /* Default to Deauthentication frame */
4654 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4657 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4658 params
.reason_code
=
4659 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4660 if (params
.reason_code
== 0)
4661 return -EINVAL
; /* 0 is reserved */
4663 /* Default to reason code 2 */
4664 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4667 return rdev_del_station(rdev
, dev
, ¶ms
);
4670 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4671 int flags
, struct net_device
*dev
,
4672 u8
*dst
, u8
*next_hop
,
4673 struct mpath_info
*pinfo
)
4676 struct nlattr
*pinfoattr
;
4678 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4682 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4683 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4684 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4685 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4686 goto nla_put_failure
;
4688 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4690 goto nla_put_failure
;
4691 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4692 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4694 goto nla_put_failure
;
4695 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4696 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4697 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4698 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4700 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4701 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4703 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4704 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4706 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4707 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4708 pinfo
->discovery_timeout
)) ||
4709 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4710 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4711 pinfo
->discovery_retries
)))
4712 goto nla_put_failure
;
4714 nla_nest_end(msg
, pinfoattr
);
4716 genlmsg_end(msg
, hdr
);
4720 genlmsg_cancel(msg
, hdr
);
4724 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4725 struct netlink_callback
*cb
)
4727 struct mpath_info pinfo
;
4728 struct cfg80211_registered_device
*rdev
;
4729 struct wireless_dev
*wdev
;
4731 u8 next_hop
[ETH_ALEN
];
4732 int path_idx
= cb
->args
[2];
4735 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4739 if (!rdev
->ops
->dump_mpath
) {
4744 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4750 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4757 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4758 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4759 wdev
->netdev
, dst
, next_hop
,
4768 cb
->args
[2] = path_idx
;
4771 nl80211_finish_wdev_dump(rdev
);
4775 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4777 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4779 struct net_device
*dev
= info
->user_ptr
[1];
4780 struct mpath_info pinfo
;
4781 struct sk_buff
*msg
;
4783 u8 next_hop
[ETH_ALEN
];
4785 memset(&pinfo
, 0, sizeof(pinfo
));
4787 if (!info
->attrs
[NL80211_ATTR_MAC
])
4790 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4792 if (!rdev
->ops
->get_mpath
)
4795 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4798 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4802 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4806 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4807 dev
, dst
, next_hop
, &pinfo
) < 0) {
4812 return genlmsg_reply(msg
, info
);
4815 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4817 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4818 struct net_device
*dev
= info
->user_ptr
[1];
4820 u8
*next_hop
= NULL
;
4822 if (!info
->attrs
[NL80211_ATTR_MAC
])
4825 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4828 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4829 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4831 if (!rdev
->ops
->change_mpath
)
4834 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4837 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4840 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4842 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4843 struct net_device
*dev
= info
->user_ptr
[1];
4845 u8
*next_hop
= NULL
;
4847 if (!info
->attrs
[NL80211_ATTR_MAC
])
4850 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4853 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4854 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4856 if (!rdev
->ops
->add_mpath
)
4859 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4862 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4865 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4867 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4868 struct net_device
*dev
= info
->user_ptr
[1];
4871 if (info
->attrs
[NL80211_ATTR_MAC
])
4872 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4874 if (!rdev
->ops
->del_mpath
)
4877 return rdev_del_mpath(rdev
, dev
, dst
);
4880 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4882 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4884 struct net_device
*dev
= info
->user_ptr
[1];
4885 struct mpath_info pinfo
;
4886 struct sk_buff
*msg
;
4890 memset(&pinfo
, 0, sizeof(pinfo
));
4892 if (!info
->attrs
[NL80211_ATTR_MAC
])
4895 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4897 if (!rdev
->ops
->get_mpp
)
4900 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4903 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4907 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4911 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4912 dev
, dst
, mpp
, &pinfo
) < 0) {
4917 return genlmsg_reply(msg
, info
);
4920 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4921 struct netlink_callback
*cb
)
4923 struct mpath_info pinfo
;
4924 struct cfg80211_registered_device
*rdev
;
4925 struct wireless_dev
*wdev
;
4928 int path_idx
= cb
->args
[2];
4931 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4935 if (!rdev
->ops
->dump_mpp
) {
4940 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4946 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4953 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4954 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4955 wdev
->netdev
, dst
, mpp
,
4963 cb
->args
[2] = path_idx
;
4966 nl80211_finish_wdev_dump(rdev
);
4970 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4972 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4973 struct net_device
*dev
= info
->user_ptr
[1];
4974 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4975 struct bss_parameters params
;
4978 memset(¶ms
, 0, sizeof(params
));
4979 /* default to not changing parameters */
4980 params
.use_cts_prot
= -1;
4981 params
.use_short_preamble
= -1;
4982 params
.use_short_slot_time
= -1;
4983 params
.ap_isolate
= -1;
4984 params
.ht_opmode
= -1;
4985 params
.p2p_ctwindow
= -1;
4986 params
.p2p_opp_ps
= -1;
4988 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4989 params
.use_cts_prot
=
4990 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4991 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4992 params
.use_short_preamble
=
4993 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4994 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4995 params
.use_short_slot_time
=
4996 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4997 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4998 params
.basic_rates
=
4999 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5000 params
.basic_rates_len
=
5001 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5003 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5004 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5005 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5007 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5009 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5010 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5012 params
.p2p_ctwindow
=
5013 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5014 if (params
.p2p_ctwindow
< 0)
5016 if (params
.p2p_ctwindow
!= 0 &&
5017 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5021 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5024 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5026 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5029 params
.p2p_opp_ps
= tmp
;
5030 if (params
.p2p_opp_ps
&&
5031 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5035 if (!rdev
->ops
->change_bss
)
5038 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5039 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5043 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5049 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5053 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5058 * You should only get this when cfg80211 hasn't yet initialized
5059 * completely when built-in to the kernel right between the time
5060 * window between nl80211_init() and regulatory_init(), if that is
5063 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5064 return -EINPROGRESS
;
5066 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5067 user_reg_hint_type
=
5068 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5070 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5072 switch (user_reg_hint_type
) {
5073 case NL80211_USER_REG_HINT_USER
:
5074 case NL80211_USER_REG_HINT_CELL_BASE
:
5075 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5078 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5079 return regulatory_hint_user(data
, user_reg_hint_type
);
5080 case NL80211_USER_REG_HINT_INDOOR
:
5081 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5082 owner_nlportid
= info
->snd_portid
;
5083 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5089 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5095 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5096 struct genl_info
*info
)
5098 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5099 struct net_device
*dev
= info
->user_ptr
[1];
5100 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5101 struct mesh_config cur_params
;
5104 struct nlattr
*pinfoattr
;
5105 struct sk_buff
*msg
;
5107 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5110 if (!rdev
->ops
->get_mesh_config
)
5114 /* If not connected, get default parameters */
5115 if (!wdev
->mesh_id_len
)
5116 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5118 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5124 /* Draw up a netlink message to send back */
5125 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5128 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5129 NL80211_CMD_GET_MESH_CONFIG
);
5132 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5134 goto nla_put_failure
;
5135 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5136 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5137 cur_params
.dot11MeshRetryTimeout
) ||
5138 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5139 cur_params
.dot11MeshConfirmTimeout
) ||
5140 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5141 cur_params
.dot11MeshHoldingTimeout
) ||
5142 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5143 cur_params
.dot11MeshMaxPeerLinks
) ||
5144 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5145 cur_params
.dot11MeshMaxRetries
) ||
5146 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5147 cur_params
.dot11MeshTTL
) ||
5148 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5149 cur_params
.element_ttl
) ||
5150 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5151 cur_params
.auto_open_plinks
) ||
5152 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5153 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5154 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5155 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5156 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5157 cur_params
.path_refresh_time
) ||
5158 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5159 cur_params
.min_discovery_timeout
) ||
5160 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5161 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5162 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5163 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5164 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5165 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5166 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5167 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5168 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5169 cur_params
.dot11MeshHWMPRootMode
) ||
5170 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5171 cur_params
.dot11MeshHWMPRannInterval
) ||
5172 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5173 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5174 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5175 cur_params
.dot11MeshForwarding
) ||
5176 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5177 cur_params
.rssi_threshold
) ||
5178 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5179 cur_params
.ht_opmode
) ||
5180 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5181 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5182 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5183 cur_params
.dot11MeshHWMProotInterval
) ||
5184 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5185 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5186 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5187 cur_params
.power_mode
) ||
5188 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5189 cur_params
.dot11MeshAwakeWindowDuration
) ||
5190 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5191 cur_params
.plink_timeout
))
5192 goto nla_put_failure
;
5193 nla_nest_end(msg
, pinfoattr
);
5194 genlmsg_end(msg
, hdr
);
5195 return genlmsg_reply(msg
, info
);
5198 genlmsg_cancel(msg
, hdr
);
5204 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5205 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5206 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5207 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5208 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5209 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5210 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5211 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5212 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5213 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5214 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5215 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5216 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5217 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5218 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5219 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5220 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5221 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5222 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5223 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5224 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5225 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5226 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5227 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5228 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5229 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5230 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5231 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5232 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5235 static const struct nla_policy
5236 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5237 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5238 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5239 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5240 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5241 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5242 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5243 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5244 .len
= IEEE80211_MAX_DATA_LEN
},
5245 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5248 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5249 struct mesh_config
*cfg
,
5252 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5255 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5258 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5260 cfg->param = fn(tb[attr]); \
5261 mask |= (1 << (attr - 1)); \
5266 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5268 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5269 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5270 nl80211_meshconf_params_policy
))
5273 /* This makes sure that there aren't more than 32 mesh config
5274 * parameters (otherwise our bitfield scheme would not work.) */
5275 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5277 /* Fill in the params struct */
5278 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5279 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5281 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5282 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5284 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5285 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5287 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5288 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5290 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5291 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5293 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5294 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5295 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5296 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5298 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5299 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5301 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5303 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5305 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5306 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5308 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5309 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5311 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5312 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5314 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5316 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5318 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5320 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5322 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5324 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5326 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5327 dot11MeshHWMPnetDiameterTraversalTime
,
5329 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5331 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5332 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5334 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5335 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5337 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5338 dot11MeshGateAnnouncementProtocol
, 0, 1,
5339 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5341 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5342 mask
, NL80211_MESHCONF_FORWARDING
,
5344 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5345 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5347 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5348 mask
, NL80211_MESHCONF_HT_OPMODE
,
5350 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5352 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5354 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5355 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5357 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5358 dot11MeshHWMPconfirmationInterval
,
5360 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5362 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5363 NL80211_MESH_POWER_ACTIVE
,
5364 NL80211_MESH_POWER_MAX
,
5365 mask
, NL80211_MESHCONF_POWER_MODE
,
5367 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5369 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5370 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
5371 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5378 #undef FILL_IN_MESH_PARAM_IF_SET
5381 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5382 struct mesh_setup
*setup
)
5384 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5385 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5387 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5389 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5390 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5391 nl80211_mesh_setup_params_policy
))
5394 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5395 setup
->sync_method
=
5396 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5397 IEEE80211_SYNC_METHOD_VENDOR
:
5398 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5400 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5401 setup
->path_sel_proto
=
5402 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5403 IEEE80211_PATH_PROTOCOL_VENDOR
:
5404 IEEE80211_PATH_PROTOCOL_HWMP
;
5406 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5407 setup
->path_metric
=
5408 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5409 IEEE80211_PATH_METRIC_VENDOR
:
5410 IEEE80211_PATH_METRIC_AIRTIME
;
5413 if (tb
[NL80211_MESH_SETUP_IE
]) {
5414 struct nlattr
*ieattr
=
5415 tb
[NL80211_MESH_SETUP_IE
];
5416 if (!is_valid_ie_attr(ieattr
))
5418 setup
->ie
= nla_data(ieattr
);
5419 setup
->ie_len
= nla_len(ieattr
);
5421 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5422 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5424 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5425 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5426 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5427 if (setup
->is_secure
)
5428 setup
->user_mpm
= true;
5430 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5431 if (!setup
->user_mpm
)
5434 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5440 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5441 struct genl_info
*info
)
5443 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5444 struct net_device
*dev
= info
->user_ptr
[1];
5445 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5446 struct mesh_config cfg
;
5450 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5453 if (!rdev
->ops
->update_mesh_config
)
5456 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5461 if (!wdev
->mesh_id_len
)
5465 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5472 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
5473 struct sk_buff
*msg
)
5475 struct nlattr
*nl_reg_rules
;
5478 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5479 (regdom
->dfs_region
&&
5480 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5481 goto nla_put_failure
;
5483 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5485 goto nla_put_failure
;
5487 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5488 struct nlattr
*nl_reg_rule
;
5489 const struct ieee80211_reg_rule
*reg_rule
;
5490 const struct ieee80211_freq_range
*freq_range
;
5491 const struct ieee80211_power_rule
*power_rule
;
5492 unsigned int max_bandwidth_khz
;
5494 reg_rule
= ®dom
->reg_rules
[i
];
5495 freq_range
= ®_rule
->freq_range
;
5496 power_rule
= ®_rule
->power_rule
;
5498 nl_reg_rule
= nla_nest_start(msg
, i
);
5500 goto nla_put_failure
;
5502 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5503 if (!max_bandwidth_khz
)
5504 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5507 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5509 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5510 freq_range
->start_freq_khz
) ||
5511 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5512 freq_range
->end_freq_khz
) ||
5513 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5514 max_bandwidth_khz
) ||
5515 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5516 power_rule
->max_antenna_gain
) ||
5517 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5518 power_rule
->max_eirp
) ||
5519 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5520 reg_rule
->dfs_cac_ms
))
5521 goto nla_put_failure
;
5523 nla_nest_end(msg
, nl_reg_rule
);
5526 nla_nest_end(msg
, nl_reg_rules
);
5533 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
5535 const struct ieee80211_regdomain
*regdom
= NULL
;
5536 struct cfg80211_registered_device
*rdev
;
5537 struct wiphy
*wiphy
= NULL
;
5538 struct sk_buff
*msg
;
5541 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5545 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5546 NL80211_CMD_GET_REG
);
5550 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
5553 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
5556 return PTR_ERR(rdev
);
5559 wiphy
= &rdev
->wiphy
;
5560 self_managed
= wiphy
->regulatory_flags
&
5561 REGULATORY_WIPHY_SELF_MANAGED
;
5562 regdom
= get_wiphy_regdom(wiphy
);
5564 /* a self-managed-reg device must have a private regdom */
5565 if (WARN_ON(!regdom
&& self_managed
)) {
5571 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5572 goto nla_put_failure
;
5575 if (!wiphy
&& reg_last_request_cell_base() &&
5576 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5577 NL80211_USER_REG_HINT_CELL_BASE
))
5578 goto nla_put_failure
;
5583 regdom
= rcu_dereference(cfg80211_regdomain
);
5585 if (nl80211_put_regdom(regdom
, msg
))
5586 goto nla_put_failure_rcu
;
5590 genlmsg_end(msg
, hdr
);
5591 return genlmsg_reply(msg
, info
);
5593 nla_put_failure_rcu
:
5596 genlmsg_cancel(msg
, hdr
);
5602 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5603 u32 seq
, int flags
, struct wiphy
*wiphy
,
5604 const struct ieee80211_regdomain
*regdom
)
5606 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5607 NL80211_CMD_GET_REG
);
5612 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5614 if (nl80211_put_regdom(regdom
, msg
))
5615 goto nla_put_failure
;
5617 if (!wiphy
&& reg_last_request_cell_base() &&
5618 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5619 NL80211_USER_REG_HINT_CELL_BASE
))
5620 goto nla_put_failure
;
5623 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5624 goto nla_put_failure
;
5626 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
5627 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
5628 goto nla_put_failure
;
5630 genlmsg_end(msg
, hdr
);
5634 genlmsg_cancel(msg
, hdr
);
5638 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
5639 struct netlink_callback
*cb
)
5641 const struct ieee80211_regdomain
*regdom
= NULL
;
5642 struct cfg80211_registered_device
*rdev
;
5643 int err
, reg_idx
, start
= cb
->args
[2];
5647 if (cfg80211_regdomain
&& start
== 0) {
5648 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5650 rtnl_dereference(cfg80211_regdomain
));
5655 /* the global regdom is idx 0 */
5657 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
5658 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
5662 if (++reg_idx
<= start
)
5665 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5666 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
5673 cb
->args
[2] = reg_idx
;
5680 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
5681 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
5682 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
5683 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
5684 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
5685 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
5686 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
5687 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
5688 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
5691 static int parse_reg_rule(struct nlattr
*tb
[],
5692 struct ieee80211_reg_rule
*reg_rule
)
5694 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
5695 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
5697 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
5699 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
5701 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
5703 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
5705 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
5708 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
5710 freq_range
->start_freq_khz
=
5711 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
5712 freq_range
->end_freq_khz
=
5713 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
5714 freq_range
->max_bandwidth_khz
=
5715 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
5717 power_rule
->max_eirp
=
5718 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
5720 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
5721 power_rule
->max_antenna_gain
=
5722 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
5724 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
5725 reg_rule
->dfs_cac_ms
=
5726 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
5731 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5733 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5734 struct nlattr
*nl_reg_rule
;
5736 int rem_reg_rules
, r
;
5737 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5738 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5739 struct ieee80211_regdomain
*rd
;
5741 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5744 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5747 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5749 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5750 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5752 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5755 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5759 if (!reg_is_valid_request(alpha2
))
5762 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5763 num_rules
* sizeof(struct ieee80211_reg_rule
);
5765 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5769 rd
->n_reg_rules
= num_rules
;
5770 rd
->alpha2
[0] = alpha2
[0];
5771 rd
->alpha2
[1] = alpha2
[1];
5774 * Disable DFS master mode if the DFS region was
5775 * not supported or known on this kernel.
5777 if (reg_supported_dfs_region(dfs_region
))
5778 rd
->dfs_region
= dfs_region
;
5780 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5782 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5783 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5787 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5793 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5799 r
= set_regdom(rd
, REGD_SOURCE_CRDA
);
5800 /* set_regdom took ownership */
5807 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
5809 static int validate_scan_freqs(struct nlattr
*freqs
)
5811 struct nlattr
*attr1
, *attr2
;
5812 int n_channels
= 0, tmp1
, tmp2
;
5814 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5817 * Some hardware has a limited channel list for
5818 * scanning, and it is pretty much nonsensical
5819 * to scan for a channel twice, so disallow that
5820 * and don't require drivers to check that the
5821 * channel list they get isn't longer than what
5822 * they can scan, as long as they can scan all
5823 * the channels they registered at once.
5825 nla_for_each_nested(attr2
, freqs
, tmp2
)
5826 if (attr1
!= attr2
&&
5827 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5834 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
5836 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
5839 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
5840 struct cfg80211_bss_selection
*bss_select
)
5842 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
5843 struct nlattr
*nest
;
5848 /* only process one nested attribute */
5849 nest
= nla_data(nla
);
5850 if (!nla_ok(nest
, nla_len(nest
)))
5853 err
= nla_parse(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nla_data(nest
),
5854 nla_len(nest
), nl80211_bss_select_policy
);
5858 /* only one attribute may be given */
5859 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
5867 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
5869 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
5870 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
5872 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
5873 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
5874 bss_select
->param
.band_pref
=
5875 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
5876 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
5880 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
5881 struct nl80211_bss_select_rssi_adjust
*adj_param
;
5883 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
5884 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
5885 bss_select
->param
.adjust
.band
= adj_param
->band
;
5886 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
5887 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
5891 /* user-space did not provide behaviour attribute */
5892 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
5895 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
5901 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5902 u8
*mac_addr
, u8
*mac_addr_mask
)
5906 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5907 eth_zero_addr(mac_addr
);
5908 eth_zero_addr(mac_addr_mask
);
5910 mac_addr_mask
[0] = 0x3;
5915 /* need both or none */
5916 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5919 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5920 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5922 /* don't allow or configure an mcast address */
5923 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5924 is_multicast_ether_addr(mac_addr
))
5928 * allow users to pass a MAC address that has bits set outside
5929 * of the mask, but don't bother drivers with having to deal
5932 for (i
= 0; i
< ETH_ALEN
; i
++)
5933 mac_addr
[i
] &= mac_addr_mask
[i
];
5938 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5940 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5941 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5942 struct cfg80211_scan_request
*request
;
5943 struct nlattr
*attr
;
5944 struct wiphy
*wiphy
;
5945 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5948 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5951 wiphy
= &rdev
->wiphy
;
5953 if (!rdev
->ops
->scan
)
5956 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5961 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5962 n_channels
= validate_scan_freqs(
5963 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5969 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5972 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5973 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5976 if (n_ssids
> wiphy
->max_scan_ssids
) {
5981 if (info
->attrs
[NL80211_ATTR_IE
])
5982 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5986 if (ie_len
> wiphy
->max_scan_ie_len
) {
5991 request
= kzalloc(sizeof(*request
)
5992 + sizeof(*request
->ssids
) * n_ssids
5993 + sizeof(*request
->channels
) * n_channels
5994 + ie_len
, GFP_KERNEL
);
6001 request
->ssids
= (void *)&request
->channels
[n_channels
];
6002 request
->n_ssids
= n_ssids
;
6005 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6007 request
->ie
= (void *)(request
->channels
+ n_channels
);
6011 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6012 /* user specified, bail out if channel not found */
6013 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6014 struct ieee80211_channel
*chan
;
6016 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6023 /* ignore disabled channels */
6024 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6027 request
->channels
[i
] = chan
;
6031 enum nl80211_band band
;
6034 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6036 if (!wiphy
->bands
[band
])
6038 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6039 struct ieee80211_channel
*chan
;
6041 chan
= &wiphy
->bands
[band
]->channels
[j
];
6043 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6046 request
->channels
[i
] = chan
;
6057 request
->n_channels
= i
;
6061 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6062 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6066 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6067 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6072 if (info
->attrs
[NL80211_ATTR_IE
]) {
6073 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6074 memcpy((void *)request
->ie
,
6075 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6079 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6080 if (wiphy
->bands
[i
])
6082 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6084 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6085 nla_for_each_nested(attr
,
6086 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6088 enum nl80211_band band
= nla_type(attr
);
6090 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6095 if (!wiphy
->bands
[band
])
6098 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6101 &request
->rates
[band
]);
6107 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6108 request
->flags
= nla_get_u32(
6109 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6110 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6111 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6116 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6117 if (!(wiphy
->features
&
6118 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
6123 if (wdev
->current_bss
) {
6128 err
= nl80211_parse_random_mac(info
->attrs
,
6130 request
->mac_addr_mask
);
6137 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6139 if (info
->attrs
[NL80211_ATTR_MAC
])
6140 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6143 eth_broadcast_addr(request
->bssid
);
6145 request
->wdev
= wdev
;
6146 request
->wiphy
= &rdev
->wiphy
;
6147 request
->scan_start
= jiffies
;
6149 rdev
->scan_req
= request
;
6150 err
= rdev_scan(rdev
, request
);
6153 nl80211_send_scan_start(rdev
, wdev
);
6155 dev_hold(wdev
->netdev
);
6158 rdev
->scan_req
= NULL
;
6166 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6168 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6169 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6171 if (!rdev
->ops
->abort_scan
)
6177 if (!rdev
->scan_req
)
6180 rdev_abort_scan(rdev
, wdev
);
6185 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
6186 struct cfg80211_sched_scan_request
*request
,
6187 struct nlattr
**attrs
)
6189 int tmp
, err
, i
= 0;
6190 struct nlattr
*attr
;
6192 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6196 * If scan plans are not specified,
6197 * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this
6198 * case one scan plan will be set with the specified scan
6199 * interval and infinite number of iterations.
6201 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6204 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
6208 request
->scan_plans
[0].interval
=
6209 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
6210 if (!request
->scan_plans
[0].interval
)
6213 if (request
->scan_plans
[0].interval
>
6214 wiphy
->max_sched_scan_plan_interval
)
6215 request
->scan_plans
[0].interval
=
6216 wiphy
->max_sched_scan_plan_interval
;
6221 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
6222 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
6224 if (WARN_ON(i
>= n_plans
))
6227 err
= nla_parse(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
6228 nla_data(attr
), nla_len(attr
),
6229 nl80211_plan_policy
);
6233 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
6236 request
->scan_plans
[i
].interval
=
6237 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
6238 if (!request
->scan_plans
[i
].interval
||
6239 request
->scan_plans
[i
].interval
>
6240 wiphy
->max_sched_scan_plan_interval
)
6243 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
6244 request
->scan_plans
[i
].iterations
=
6245 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
6246 if (!request
->scan_plans
[i
].iterations
||
6247 (request
->scan_plans
[i
].iterations
>
6248 wiphy
->max_sched_scan_plan_iterations
))
6250 } else if (i
< n_plans
- 1) {
6252 * All scan plans but the last one must specify
6253 * a finite number of iterations
6262 * The last scan plan must not specify the number of
6263 * iterations, it is supposed to run infinitely
6265 if (request
->scan_plans
[n_plans
- 1].iterations
)
6271 static struct cfg80211_sched_scan_request
*
6272 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6273 struct nlattr
**attrs
)
6275 struct cfg80211_sched_scan_request
*request
;
6276 struct nlattr
*attr
;
6277 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
6278 enum nl80211_band band
;
6280 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
6281 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
6283 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
6284 return ERR_PTR(-EINVAL
);
6286 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6287 n_channels
= validate_scan_freqs(
6288 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6290 return ERR_PTR(-EINVAL
);
6292 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6295 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
6296 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6300 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
6301 return ERR_PTR(-EINVAL
);
6304 * First, count the number of 'real' matchsets. Due to an issue with
6305 * the old implementation, matchsets containing only the RSSI attribute
6306 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
6307 * RSSI for all matchsets, rather than their own matchset for reporting
6308 * all APs with a strong RSSI. This is needed to be compatible with
6309 * older userspace that treated a matchset with only the RSSI as the
6310 * global RSSI for all other matchsets - if there are other matchsets.
6312 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6313 nla_for_each_nested(attr
,
6314 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6316 struct nlattr
*rssi
;
6318 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6319 nla_data(attr
), nla_len(attr
),
6320 nl80211_match_policy
);
6322 return ERR_PTR(err
);
6323 /* add other standalone attributes here */
6324 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
6328 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6330 default_match_rssi
= nla_get_s32(rssi
);
6334 /* However, if there's no other matchset, add the RSSI one */
6335 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
6338 if (n_match_sets
> wiphy
->max_match_sets
)
6339 return ERR_PTR(-EINVAL
);
6341 if (attrs
[NL80211_ATTR_IE
])
6342 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
6346 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
6347 return ERR_PTR(-EINVAL
);
6349 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6351 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
6352 * each scan plan already specifies its own interval
6354 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6355 return ERR_PTR(-EINVAL
);
6357 nla_for_each_nested(attr
,
6358 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
6362 * The scan interval attribute is kept for backward
6363 * compatibility. If no scan plans are specified and sched scan
6364 * interval is specified, one scan plan will be set with this
6365 * scan interval and infinite number of iterations.
6367 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6368 return ERR_PTR(-EINVAL
);
6373 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
6374 return ERR_PTR(-EINVAL
);
6376 request
= kzalloc(sizeof(*request
)
6377 + sizeof(*request
->ssids
) * n_ssids
6378 + sizeof(*request
->match_sets
) * n_match_sets
6379 + sizeof(*request
->scan_plans
) * n_plans
6380 + sizeof(*request
->channels
) * n_channels
6381 + ie_len
, GFP_KERNEL
);
6383 return ERR_PTR(-ENOMEM
);
6386 request
->ssids
= (void *)&request
->channels
[n_channels
];
6387 request
->n_ssids
= n_ssids
;
6390 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6392 request
->ie
= (void *)(request
->channels
+ n_channels
);
6397 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6399 request
->match_sets
=
6400 (void *)(request
->ssids
+ n_ssids
);
6402 request
->match_sets
=
6403 (void *)(request
->channels
+ n_channels
);
6405 request
->n_match_sets
= n_match_sets
;
6408 request
->scan_plans
= (void *)(request
->match_sets
+
6410 else if (request
->ie
)
6411 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
6413 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
6415 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
6417 request
->n_scan_plans
= n_plans
;
6420 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6421 /* user specified, bail out if channel not found */
6422 nla_for_each_nested(attr
,
6423 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6425 struct ieee80211_channel
*chan
;
6427 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6434 /* ignore disabled channels */
6435 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6438 request
->channels
[i
] = chan
;
6443 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6445 if (!wiphy
->bands
[band
])
6447 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6448 struct ieee80211_channel
*chan
;
6450 chan
= &wiphy
->bands
[band
]->channels
[j
];
6452 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6455 request
->channels
[i
] = chan
;
6466 request
->n_channels
= i
;
6470 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6472 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6476 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6477 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6484 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6485 nla_for_each_nested(attr
,
6486 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6488 struct nlattr
*ssid
, *rssi
;
6490 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6491 nla_data(attr
), nla_len(attr
),
6492 nl80211_match_policy
);
6495 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6497 if (WARN_ON(i
>= n_match_sets
)) {
6498 /* this indicates a programming error,
6499 * the loop above should have verified
6506 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6510 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6511 nla_data(ssid
), nla_len(ssid
));
6512 request
->match_sets
[i
].ssid
.ssid_len
=
6514 /* special attribute - old implemenation w/a */
6515 request
->match_sets
[i
].rssi_thold
=
6517 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6519 request
->match_sets
[i
].rssi_thold
=
6525 /* there was no other matchset, so the RSSI one is alone */
6526 if (i
== 0 && n_match_sets
)
6527 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6529 request
->min_rssi_thold
= INT_MAX
;
6530 for (i
= 0; i
< n_match_sets
; i
++)
6531 request
->min_rssi_thold
=
6532 min(request
->match_sets
[i
].rssi_thold
,
6533 request
->min_rssi_thold
);
6535 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6539 request
->ie_len
= ie_len
;
6540 memcpy((void *)request
->ie
,
6541 nla_data(attrs
[NL80211_ATTR_IE
]),
6545 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6546 request
->flags
= nla_get_u32(
6547 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6548 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6549 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6554 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6555 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6557 if (!wdev
) /* must be net-detect */
6558 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6560 if (!(wiphy
->features
& flg
)) {
6565 if (wdev
&& wdev
->current_bss
) {
6570 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6571 request
->mac_addr_mask
);
6577 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
6579 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
6581 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
6585 request
->scan_start
= jiffies
;
6591 return ERR_PTR(err
);
6594 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6595 struct genl_info
*info
)
6597 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6598 struct net_device
*dev
= info
->user_ptr
[1];
6599 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6600 struct cfg80211_sched_scan_request
*sched_scan_req
;
6603 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6604 !rdev
->ops
->sched_scan_start
)
6607 if (rdev
->sched_scan_req
)
6608 return -EINPROGRESS
;
6610 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6613 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
6617 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
6621 sched_scan_req
->dev
= dev
;
6622 sched_scan_req
->wiphy
= &rdev
->wiphy
;
6624 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
6625 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
6627 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
6629 nl80211_send_sched_scan(rdev
, dev
,
6630 NL80211_CMD_START_SCHED_SCAN
);
6634 kfree(sched_scan_req
);
6639 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6640 struct genl_info
*info
)
6642 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6644 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6645 !rdev
->ops
->sched_scan_stop
)
6648 return __cfg80211_stop_sched_scan(rdev
, false);
6651 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6652 struct genl_info
*info
)
6654 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6655 struct net_device
*dev
= info
->user_ptr
[1];
6656 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6657 struct cfg80211_chan_def chandef
;
6658 enum nl80211_dfs_regions dfs_region
;
6659 unsigned int cac_time_ms
;
6662 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6663 if (dfs_region
== NL80211_DFS_UNSET
)
6666 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6670 if (netif_carrier_ok(dev
))
6673 if (wdev
->cac_started
)
6676 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6684 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6687 if (!rdev
->ops
->start_radar_detection
)
6690 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6691 if (WARN_ON(!cac_time_ms
))
6692 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6694 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
6696 wdev
->chandef
= chandef
;
6697 wdev
->cac_started
= true;
6698 wdev
->cac_start_time
= jiffies
;
6699 wdev
->cac_time_ms
= cac_time_ms
;
6704 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6706 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6707 struct net_device
*dev
= info
->user_ptr
[1];
6708 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6709 struct cfg80211_csa_settings params
;
6710 /* csa_attrs is defined static to avoid waste of stack size - this
6711 * function is called under RTNL lock, so this should not be a problem.
6713 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6715 bool need_new_beacon
= false;
6719 if (!rdev
->ops
->channel_switch
||
6720 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6723 switch (dev
->ieee80211_ptr
->iftype
) {
6724 case NL80211_IFTYPE_AP
:
6725 case NL80211_IFTYPE_P2P_GO
:
6726 need_new_beacon
= true;
6728 /* useless if AP is not running */
6729 if (!wdev
->beacon_interval
)
6732 case NL80211_IFTYPE_ADHOC
:
6733 if (!wdev
->ssid_len
)
6736 case NL80211_IFTYPE_MESH_POINT
:
6737 if (!wdev
->mesh_id_len
)
6744 memset(¶ms
, 0, sizeof(params
));
6746 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6747 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6750 /* only important for AP, IBSS and mesh create IEs internally */
6751 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6754 /* Even though the attribute is u32, the specification says
6755 * u8, so let's make sure we don't overflow.
6757 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6761 params
.count
= cs_count
;
6763 if (!need_new_beacon
)
6766 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6770 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6771 info
->attrs
[NL80211_ATTR_CSA_IES
],
6776 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6780 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6783 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6784 if (!len
|| (len
% sizeof(u16
)))
6787 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6788 if (rdev
->wiphy
.max_num_csa_counters
&&
6789 (params
.n_counter_offsets_beacon
>
6790 rdev
->wiphy
.max_num_csa_counters
))
6793 params
.counter_offsets_beacon
=
6794 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6796 /* sanity checks - counters should fit and be the same */
6797 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6798 u16 offset
= params
.counter_offsets_beacon
[i
];
6800 if (offset
>= params
.beacon_csa
.tail_len
)
6803 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6807 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6808 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6809 if (!len
|| (len
% sizeof(u16
)))
6812 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6813 if (rdev
->wiphy
.max_num_csa_counters
&&
6814 (params
.n_counter_offsets_beacon
>
6815 rdev
->wiphy
.max_num_csa_counters
))
6818 params
.counter_offsets_presp
=
6819 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6821 /* sanity checks - counters should fit and be the same */
6822 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6823 u16 offset
= params
.counter_offsets_presp
[i
];
6825 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6828 if (params
.beacon_csa
.probe_resp
[offset
] !=
6835 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6839 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
6843 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6850 params
.radar_required
= true;
6852 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6853 params
.block_tx
= true;
6856 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6862 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6864 struct cfg80211_registered_device
*rdev
,
6865 struct wireless_dev
*wdev
,
6866 struct cfg80211_internal_bss
*intbss
)
6868 struct cfg80211_bss
*res
= &intbss
->pub
;
6869 const struct cfg80211_bss_ies
*ies
;
6873 ASSERT_WDEV_LOCK(wdev
);
6875 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6876 NL80211_CMD_NEW_SCAN_RESULTS
);
6880 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6882 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6883 goto nla_put_failure
;
6885 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6886 goto nla_put_failure
;
6887 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
6889 goto nla_put_failure
;
6891 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6893 goto nla_put_failure
;
6894 if ((!is_zero_ether_addr(res
->bssid
) &&
6895 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6896 goto nla_put_failure
;
6899 /* indicate whether we have probe response data or not */
6900 if (rcu_access_pointer(res
->proberesp_ies
) &&
6901 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6902 goto fail_unlock_rcu
;
6904 /* this pointer prefers to be pointed to probe response data
6905 * but is always valid
6907 ies
= rcu_dereference(res
->ies
);
6909 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
6911 goto fail_unlock_rcu
;
6912 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6913 ies
->len
, ies
->data
))
6914 goto fail_unlock_rcu
;
6917 /* and this pointer is always (unless driver didn't know) beacon data */
6918 ies
= rcu_dereference(res
->beacon_ies
);
6919 if (ies
&& ies
->from_beacon
) {
6920 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
6922 goto fail_unlock_rcu
;
6923 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6924 ies
->len
, ies
->data
))
6925 goto fail_unlock_rcu
;
6929 if (res
->beacon_interval
&&
6930 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6931 goto nla_put_failure
;
6932 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6933 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6934 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6935 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6936 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6937 goto nla_put_failure
;
6939 if (intbss
->ts_boottime
&&
6940 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
6941 intbss
->ts_boottime
, NL80211_BSS_PAD
))
6942 goto nla_put_failure
;
6944 switch (rdev
->wiphy
.signal_type
) {
6945 case CFG80211_SIGNAL_TYPE_MBM
:
6946 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6947 goto nla_put_failure
;
6949 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6950 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6951 goto nla_put_failure
;
6957 switch (wdev
->iftype
) {
6958 case NL80211_IFTYPE_P2P_CLIENT
:
6959 case NL80211_IFTYPE_STATION
:
6960 if (intbss
== wdev
->current_bss
&&
6961 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6962 NL80211_BSS_STATUS_ASSOCIATED
))
6963 goto nla_put_failure
;
6965 case NL80211_IFTYPE_ADHOC
:
6966 if (intbss
== wdev
->current_bss
&&
6967 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6968 NL80211_BSS_STATUS_IBSS_JOINED
))
6969 goto nla_put_failure
;
6975 nla_nest_end(msg
, bss
);
6977 genlmsg_end(msg
, hdr
);
6983 genlmsg_cancel(msg
, hdr
);
6987 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6989 struct cfg80211_registered_device
*rdev
;
6990 struct cfg80211_internal_bss
*scan
;
6991 struct wireless_dev
*wdev
;
6992 int start
= cb
->args
[2], idx
= 0;
6995 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7000 spin_lock_bh(&rdev
->bss_lock
);
7001 cfg80211_bss_expire(rdev
);
7003 cb
->seq
= rdev
->bss_generation
;
7005 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7008 if (nl80211_send_bss(skb
, cb
,
7009 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7010 rdev
, wdev
, scan
) < 0) {
7016 spin_unlock_bh(&rdev
->bss_lock
);
7020 nl80211_finish_wdev_dump(rdev
);
7025 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7026 int flags
, struct net_device
*dev
,
7027 bool allow_radio_stats
,
7028 struct survey_info
*survey
)
7031 struct nlattr
*infoattr
;
7033 /* skip radio stats if userspace didn't request them */
7034 if (!survey
->channel
&& !allow_radio_stats
)
7037 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7038 NL80211_CMD_NEW_SURVEY_RESULTS
);
7042 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7043 goto nla_put_failure
;
7045 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7047 goto nla_put_failure
;
7049 if (survey
->channel
&&
7050 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7051 survey
->channel
->center_freq
))
7052 goto nla_put_failure
;
7054 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7055 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7056 goto nla_put_failure
;
7057 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7058 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7059 goto nla_put_failure
;
7060 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7061 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7062 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7063 goto nla_put_failure
;
7064 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7065 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7066 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7067 goto nla_put_failure
;
7068 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7069 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7070 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7071 goto nla_put_failure
;
7072 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7073 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7074 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7075 goto nla_put_failure
;
7076 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7077 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7078 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7079 goto nla_put_failure
;
7080 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7081 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7082 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7083 goto nla_put_failure
;
7085 nla_nest_end(msg
, infoattr
);
7087 genlmsg_end(msg
, hdr
);
7091 genlmsg_cancel(msg
, hdr
);
7095 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7097 struct survey_info survey
;
7098 struct cfg80211_registered_device
*rdev
;
7099 struct wireless_dev
*wdev
;
7100 int survey_idx
= cb
->args
[2];
7104 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7108 /* prepare_wdev_dump parsed the attributes */
7109 radio_stats
= nl80211_fam
.attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7111 if (!wdev
->netdev
) {
7116 if (!rdev
->ops
->dump_survey
) {
7122 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
7128 /* don't send disabled channels, but do send non-channel data */
7129 if (survey
.channel
&&
7130 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
7135 if (nl80211_send_survey(skb
,
7136 NETLINK_CB(cb
->skb
).portid
,
7137 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7138 wdev
->netdev
, radio_stats
, &survey
) < 0)
7144 cb
->args
[2] = survey_idx
;
7147 nl80211_finish_wdev_dump(rdev
);
7151 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
7153 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
7154 NL80211_WPA_VERSION_2
));
7157 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7159 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7160 struct net_device
*dev
= info
->user_ptr
[1];
7161 struct ieee80211_channel
*chan
;
7162 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
7163 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
7164 enum nl80211_auth_type auth_type
;
7165 struct key_parse key
;
7166 bool local_state_change
;
7168 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7171 if (!info
->attrs
[NL80211_ATTR_MAC
])
7174 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
7177 if (!info
->attrs
[NL80211_ATTR_SSID
])
7180 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7183 err
= nl80211_parse_key(info
, &key
);
7188 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
7190 if (!key
.p
.key
|| !key
.p
.key_len
)
7192 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
7193 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
7194 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
7195 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
7207 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
7208 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
7217 if (!rdev
->ops
->auth
)
7220 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7221 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7224 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7225 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7226 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7230 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7231 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7233 if (info
->attrs
[NL80211_ATTR_IE
]) {
7234 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7235 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7238 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7239 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
7242 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
7243 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
7246 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
7247 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
7249 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
7250 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
7251 /* need to include at least Auth Transaction and Status Code */
7252 if (sae_data_len
< 4)
7256 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7259 * Since we no longer track auth state, ignore
7260 * requests to only change local state.
7262 if (local_state_change
)
7265 wdev_lock(dev
->ieee80211_ptr
);
7266 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
7267 ssid
, ssid_len
, ie
, ie_len
,
7268 key
.p
.key
, key
.p
.key_len
, key
.idx
,
7269 sae_data
, sae_data_len
);
7270 wdev_unlock(dev
->ieee80211_ptr
);
7274 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
7275 struct genl_info
*info
,
7276 struct cfg80211_crypto_settings
*settings
,
7279 memset(settings
, 0, sizeof(*settings
));
7281 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
7283 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
7285 proto
= nla_get_u16(
7286 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
7287 settings
->control_port_ethertype
= cpu_to_be16(proto
);
7288 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
7291 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
7292 settings
->control_port_no_encrypt
= true;
7294 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
7296 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
7300 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7301 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7302 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
7304 if (len
% sizeof(u32
))
7307 if (settings
->n_ciphers_pairwise
> cipher_limit
)
7310 memcpy(settings
->ciphers_pairwise
, data
, len
);
7312 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
7313 if (!cfg80211_supported_cipher_suite(
7315 settings
->ciphers_pairwise
[i
]))
7319 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
7320 settings
->cipher_group
=
7321 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
7322 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
7323 settings
->cipher_group
))
7327 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
7328 settings
->wpa_versions
=
7329 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
7330 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
7334 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
7338 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7339 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7340 settings
->n_akm_suites
= len
/ sizeof(u32
);
7342 if (len
% sizeof(u32
))
7345 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
7348 memcpy(settings
->akm_suites
, data
, len
);
7354 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
7356 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7357 struct net_device
*dev
= info
->user_ptr
[1];
7358 struct ieee80211_channel
*chan
;
7359 struct cfg80211_assoc_request req
= {};
7360 const u8
*bssid
, *ssid
;
7361 int err
, ssid_len
= 0;
7363 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7366 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
7367 !info
->attrs
[NL80211_ATTR_SSID
] ||
7368 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7371 if (!rdev
->ops
->assoc
)
7374 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7375 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7378 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7380 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7381 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7385 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7386 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7388 if (info
->attrs
[NL80211_ATTR_IE
]) {
7389 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7390 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7393 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7394 enum nl80211_mfp mfp
=
7395 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7396 if (mfp
== NL80211_MFP_REQUIRED
)
7398 else if (mfp
!= NL80211_MFP_NO
)
7402 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
7403 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
7405 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7406 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
7408 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7409 memcpy(&req
.ht_capa_mask
,
7410 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7411 sizeof(req
.ht_capa_mask
));
7413 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7414 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7416 memcpy(&req
.ht_capa
,
7417 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7418 sizeof(req
.ht_capa
));
7421 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7422 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7424 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7425 memcpy(&req
.vht_capa_mask
,
7426 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7427 sizeof(req
.vht_capa_mask
));
7429 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7430 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7432 memcpy(&req
.vht_capa
,
7433 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7434 sizeof(req
.vht_capa
));
7437 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7438 if (!((rdev
->wiphy
.features
&
7439 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
7440 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
7441 !wiphy_ext_feature_isset(&rdev
->wiphy
,
7442 NL80211_EXT_FEATURE_RRM
))
7444 req
.flags
|= ASSOC_REQ_USE_RRM
;
7447 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
7449 wdev_lock(dev
->ieee80211_ptr
);
7450 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
7451 ssid
, ssid_len
, &req
);
7452 wdev_unlock(dev
->ieee80211_ptr
);
7458 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7460 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7461 struct net_device
*dev
= info
->user_ptr
[1];
7462 const u8
*ie
= NULL
, *bssid
;
7463 int ie_len
= 0, err
;
7465 bool local_state_change
;
7467 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7470 if (!info
->attrs
[NL80211_ATTR_MAC
])
7473 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7476 if (!rdev
->ops
->deauth
)
7479 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7480 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7483 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7485 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7486 if (reason_code
== 0) {
7487 /* Reason Code 0 is reserved */
7491 if (info
->attrs
[NL80211_ATTR_IE
]) {
7492 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7493 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7496 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7498 wdev_lock(dev
->ieee80211_ptr
);
7499 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7500 local_state_change
);
7501 wdev_unlock(dev
->ieee80211_ptr
);
7505 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7507 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7508 struct net_device
*dev
= info
->user_ptr
[1];
7509 const u8
*ie
= NULL
, *bssid
;
7510 int ie_len
= 0, err
;
7512 bool local_state_change
;
7514 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7517 if (!info
->attrs
[NL80211_ATTR_MAC
])
7520 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7523 if (!rdev
->ops
->disassoc
)
7526 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7527 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7530 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7532 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7533 if (reason_code
== 0) {
7534 /* Reason Code 0 is reserved */
7538 if (info
->attrs
[NL80211_ATTR_IE
]) {
7539 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7540 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7543 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7545 wdev_lock(dev
->ieee80211_ptr
);
7546 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7547 local_state_change
);
7548 wdev_unlock(dev
->ieee80211_ptr
);
7553 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7554 int mcast_rate
[NUM_NL80211_BANDS
],
7557 struct wiphy
*wiphy
= &rdev
->wiphy
;
7561 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7562 struct ieee80211_supported_band
*sband
;
7564 sband
= wiphy
->bands
[band
];
7568 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7569 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7570 mcast_rate
[band
] = i
+ 1;
7580 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7582 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7583 struct net_device
*dev
= info
->user_ptr
[1];
7584 struct cfg80211_ibss_params ibss
;
7585 struct wiphy
*wiphy
;
7586 struct cfg80211_cached_keys
*connkeys
= NULL
;
7589 memset(&ibss
, 0, sizeof(ibss
));
7591 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7594 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7595 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7598 ibss
.beacon_interval
= 100;
7600 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7601 ibss
.beacon_interval
=
7602 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7603 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7607 if (!rdev
->ops
->join_ibss
)
7610 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7613 wiphy
= &rdev
->wiphy
;
7615 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7616 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7618 if (!is_valid_ether_addr(ibss
.bssid
))
7621 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7622 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7624 if (info
->attrs
[NL80211_ATTR_IE
]) {
7625 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7626 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7629 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7633 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7634 NL80211_IFTYPE_ADHOC
))
7637 switch (ibss
.chandef
.width
) {
7638 case NL80211_CHAN_WIDTH_5
:
7639 case NL80211_CHAN_WIDTH_10
:
7640 case NL80211_CHAN_WIDTH_20_NOHT
:
7642 case NL80211_CHAN_WIDTH_20
:
7643 case NL80211_CHAN_WIDTH_40
:
7644 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7647 case NL80211_CHAN_WIDTH_80
:
7648 case NL80211_CHAN_WIDTH_80P80
:
7649 case NL80211_CHAN_WIDTH_160
:
7650 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7652 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
7653 NL80211_EXT_FEATURE_VHT_IBSS
))
7660 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7661 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7663 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7665 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7667 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7668 struct ieee80211_supported_band
*sband
=
7669 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7671 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7677 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7678 memcpy(&ibss
.ht_capa_mask
,
7679 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7680 sizeof(ibss
.ht_capa_mask
));
7682 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7683 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7685 memcpy(&ibss
.ht_capa
,
7686 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7687 sizeof(ibss
.ht_capa
));
7690 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7691 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7692 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7695 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7698 connkeys
= nl80211_parse_connkeys(rdev
,
7699 info
->attrs
[NL80211_ATTR_KEYS
],
7701 if (IS_ERR(connkeys
))
7702 return PTR_ERR(connkeys
);
7704 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7712 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7714 ibss
.userspace_handles_dfs
=
7715 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7717 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7723 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7725 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7726 struct net_device
*dev
= info
->user_ptr
[1];
7728 if (!rdev
->ops
->leave_ibss
)
7731 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7734 return cfg80211_leave_ibss(rdev
, dev
, false);
7737 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7739 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7740 struct net_device
*dev
= info
->user_ptr
[1];
7741 int mcast_rate
[NUM_NL80211_BANDS
];
7745 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7746 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
7747 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
7750 if (!rdev
->ops
->set_mcast_rate
)
7753 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7755 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7758 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7759 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7762 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
7767 static struct sk_buff
*
7768 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7769 struct wireless_dev
*wdev
, int approxlen
,
7770 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
7771 enum nl80211_attrs attr
,
7772 const struct nl80211_vendor_cmd_info
*info
,
7775 struct sk_buff
*skb
;
7777 struct nlattr
*data
;
7779 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7783 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7789 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7790 goto nla_put_failure
;
7793 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7795 goto nla_put_failure
;
7796 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7798 goto nla_put_failure
;
7802 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
7803 wdev_id(wdev
), NL80211_ATTR_PAD
))
7804 goto nla_put_failure
;
7806 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
7807 wdev
->netdev
->ifindex
))
7808 goto nla_put_failure
;
7811 data
= nla_nest_start(skb
, attr
);
7813 ((void **)skb
->cb
)[0] = rdev
;
7814 ((void **)skb
->cb
)[1] = hdr
;
7815 ((void **)skb
->cb
)[2] = data
;
7824 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7825 struct wireless_dev
*wdev
,
7826 enum nl80211_commands cmd
,
7827 enum nl80211_attrs attr
,
7828 int vendor_event_idx
,
7829 int approxlen
, gfp_t gfp
)
7831 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7832 const struct nl80211_vendor_cmd_info
*info
;
7835 case NL80211_CMD_TESTMODE
:
7836 if (WARN_ON(vendor_event_idx
!= -1))
7840 case NL80211_CMD_VENDOR
:
7841 if (WARN_ON(vendor_event_idx
< 0 ||
7842 vendor_event_idx
>= wiphy
->n_vendor_events
))
7844 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7851 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
7852 cmd
, attr
, info
, gfp
);
7854 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7856 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7858 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7859 void *hdr
= ((void **)skb
->cb
)[1];
7860 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7861 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7863 /* clear CB data for netlink core to own from now on */
7864 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7866 nla_nest_end(skb
, data
);
7867 genlmsg_end(skb
, hdr
);
7869 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7870 mcgrp
= NL80211_MCGRP_VENDOR
;
7872 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7875 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7877 #ifdef CONFIG_NL80211_TESTMODE
7878 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7880 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7881 struct wireless_dev
*wdev
=
7882 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7885 if (!rdev
->ops
->testmode_cmd
)
7889 err
= PTR_ERR(wdev
);
7893 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7897 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7900 rdev
->cur_cmd_info
= info
;
7901 err
= rdev_testmode_cmd(rdev
, wdev
,
7902 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7903 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7904 rdev
->cur_cmd_info
= NULL
;
7909 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7910 struct netlink_callback
*cb
)
7912 struct cfg80211_registered_device
*rdev
;
7922 * 0 is a valid index, but not valid for args[0],
7923 * so we need to offset by 1.
7925 phy_idx
= cb
->args
[0] - 1;
7927 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7928 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7933 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7934 nl80211_fam
.attrbuf
);
7936 err
= PTR_ERR(rdev
);
7939 phy_idx
= rdev
->wiphy_idx
;
7942 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7944 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7948 data
= nla_data((void *)cb
->args
[1]);
7949 data_len
= nla_len((void *)cb
->args
[1]);
7952 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7958 if (!rdev
->ops
->testmode_dump
) {
7964 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7965 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7966 NL80211_CMD_TESTMODE
);
7967 struct nlattr
*tmdata
;
7972 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7973 genlmsg_cancel(skb
, hdr
);
7977 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7979 genlmsg_cancel(skb
, hdr
);
7982 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7983 nla_nest_end(skb
, tmdata
);
7985 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7986 genlmsg_cancel(skb
, hdr
);
7989 genlmsg_cancel(skb
, hdr
);
7993 genlmsg_end(skb
, hdr
);
7998 cb
->args
[0] = phy_idx
+ 1;
8005 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8007 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8008 struct net_device
*dev
= info
->user_ptr
[1];
8009 struct cfg80211_connect_params connect
;
8010 struct wiphy
*wiphy
;
8011 struct cfg80211_cached_keys
*connkeys
= NULL
;
8014 memset(&connect
, 0, sizeof(connect
));
8016 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8019 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8020 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8023 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8025 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8026 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8027 NL80211_CMD_CONNECT
))
8030 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8032 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8034 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8035 NL80211_MAX_NR_CIPHER_SUITES
);
8039 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8040 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8043 wiphy
= &rdev
->wiphy
;
8045 connect
.bg_scan_period
= -1;
8046 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8047 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8048 connect
.bg_scan_period
=
8049 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8052 if (info
->attrs
[NL80211_ATTR_MAC
])
8053 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8054 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8055 connect
.bssid_hint
=
8056 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8057 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8058 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8060 if (info
->attrs
[NL80211_ATTR_IE
]) {
8061 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8062 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8065 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8066 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8067 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
8068 connect
.mfp
!= NL80211_MFP_NO
)
8071 connect
.mfp
= NL80211_MFP_NO
;
8074 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8075 connect
.prev_bssid
=
8076 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8078 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8079 connect
.channel
= nl80211_get_valid_chan(
8080 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8081 if (!connect
.channel
)
8083 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
8084 connect
.channel_hint
= nl80211_get_valid_chan(
8085 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
8086 if (!connect
.channel_hint
)
8090 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8091 connkeys
= nl80211_parse_connkeys(rdev
,
8092 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
8093 if (IS_ERR(connkeys
))
8094 return PTR_ERR(connkeys
);
8097 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8098 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
8100 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8101 memcpy(&connect
.ht_capa_mask
,
8102 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8103 sizeof(connect
.ht_capa_mask
));
8105 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8106 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
8110 memcpy(&connect
.ht_capa
,
8111 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8112 sizeof(connect
.ht_capa
));
8115 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8116 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8118 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8119 memcpy(&connect
.vht_capa_mask
,
8120 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8121 sizeof(connect
.vht_capa_mask
));
8123 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8124 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
8128 memcpy(&connect
.vht_capa
,
8129 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8130 sizeof(connect
.vht_capa
));
8133 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8134 if (!((rdev
->wiphy
.features
&
8135 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8136 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8137 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8138 NL80211_EXT_FEATURE_RRM
)) {
8142 connect
.flags
|= ASSOC_REQ_USE_RRM
;
8145 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
8146 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
8151 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
8152 /* bss selection makes no sense if bssid is set */
8153 if (connect
.bssid
) {
8158 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
8159 wiphy
, &connect
.bss_select
);
8166 wdev_lock(dev
->ieee80211_ptr
);
8167 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
8168 connect
.prev_bssid
);
8169 wdev_unlock(dev
->ieee80211_ptr
);
8175 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
8177 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8178 struct net_device
*dev
= info
->user_ptr
[1];
8182 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8183 reason
= WLAN_REASON_DEAUTH_LEAVING
;
8185 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8190 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8191 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8194 wdev_lock(dev
->ieee80211_ptr
);
8195 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
8196 wdev_unlock(dev
->ieee80211_ptr
);
8200 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
8202 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8206 if (info
->attrs
[NL80211_ATTR_PID
]) {
8207 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
8209 net
= get_net_ns_by_pid(pid
);
8210 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
8211 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
8213 net
= get_net_ns_by_fd(fd
);
8219 return PTR_ERR(net
);
8223 /* check if anything to do */
8224 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
8225 err
= cfg80211_switch_netns(rdev
, net
);
8231 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8233 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8234 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
8235 struct cfg80211_pmksa
*pmksa
) = NULL
;
8236 struct net_device
*dev
= info
->user_ptr
[1];
8237 struct cfg80211_pmksa pmksa
;
8239 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
8241 if (!info
->attrs
[NL80211_ATTR_MAC
])
8244 if (!info
->attrs
[NL80211_ATTR_PMKID
])
8247 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
8248 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8250 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8251 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8254 switch (info
->genlhdr
->cmd
) {
8255 case NL80211_CMD_SET_PMKSA
:
8256 rdev_ops
= rdev
->ops
->set_pmksa
;
8258 case NL80211_CMD_DEL_PMKSA
:
8259 rdev_ops
= rdev
->ops
->del_pmksa
;
8269 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
8272 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8274 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8275 struct net_device
*dev
= info
->user_ptr
[1];
8277 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8278 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8281 if (!rdev
->ops
->flush_pmksa
)
8284 return rdev_flush_pmksa(rdev
, dev
);
8287 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8289 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8290 struct net_device
*dev
= info
->user_ptr
[1];
8291 u8 action_code
, dialog_token
;
8292 u32 peer_capability
= 0;
8297 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8298 !rdev
->ops
->tdls_mgmt
)
8301 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
8302 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
8303 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
8304 !info
->attrs
[NL80211_ATTR_IE
] ||
8305 !info
->attrs
[NL80211_ATTR_MAC
])
8308 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8309 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
8310 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
8311 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
8312 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
8313 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
8315 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
8317 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
8318 dialog_token
, status_code
, peer_capability
,
8320 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
8321 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
8324 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
8326 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8327 struct net_device
*dev
= info
->user_ptr
[1];
8328 enum nl80211_tdls_operation operation
;
8331 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8332 !rdev
->ops
->tdls_oper
)
8335 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
8336 !info
->attrs
[NL80211_ATTR_MAC
])
8339 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
8340 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8342 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
8345 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
8346 struct genl_info
*info
)
8348 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8349 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8350 struct cfg80211_chan_def chandef
;
8351 struct sk_buff
*msg
;
8357 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
8358 !info
->attrs
[NL80211_ATTR_DURATION
])
8361 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8363 if (!rdev
->ops
->remain_on_channel
||
8364 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
8368 * We should be on that channel for at least a minimum amount of
8369 * time (10ms) but no longer than the driver supports.
8371 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8372 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
8375 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8379 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8383 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8384 NL80211_CMD_REMAIN_ON_CHANNEL
);
8390 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
8396 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
8398 goto nla_put_failure
;
8400 genlmsg_end(msg
, hdr
);
8402 return genlmsg_reply(msg
, info
);
8411 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
8412 struct genl_info
*info
)
8414 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8415 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8418 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8421 if (!rdev
->ops
->cancel_remain_on_channel
)
8424 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8426 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
8429 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
8430 u8
*rates
, u8 rates_len
)
8435 for (i
= 0; i
< rates_len
; i
++) {
8436 int rate
= (rates
[i
] & 0x7f) * 5;
8438 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
8439 struct ieee80211_rate
*srate
=
8440 &sband
->bitrates
[ridx
];
8441 if (rate
== srate
->bitrate
) {
8446 if (ridx
== sband
->n_bitrates
)
8447 return 0; /* rate not found */
8453 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
8454 u8
*rates
, u8 rates_len
,
8455 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
8459 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
8461 for (i
= 0; i
< rates_len
; i
++) {
8464 ridx
= rates
[i
] / 8;
8465 rbit
= BIT(rates
[i
] % 8);
8467 /* check validity */
8468 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
8471 /* check availability */
8472 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
8481 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
8485 switch (vht_mcs_map
) {
8486 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
8488 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
8491 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
8494 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
8504 static void vht_build_mcs_mask(u16 vht_mcs_map
,
8505 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
8509 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8510 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8515 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8516 struct nl80211_txrate_vht
*txrate
,
8517 u16 mcs
[NL80211_VHT_NSS_MAX
])
8519 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8520 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8523 if (!sband
->vht_cap
.vht_supported
)
8526 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8528 /* Build vht_mcs_mask from VHT capabilities */
8529 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8531 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8532 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8533 mcs
[i
] = txrate
->mcs
[i
];
8541 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8542 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8543 .len
= NL80211_MAX_SUPP_RATES
},
8544 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8545 .len
= NL80211_MAX_SUPP_HT_RATES
},
8546 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8547 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8550 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8551 struct genl_info
*info
)
8553 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8554 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8555 struct cfg80211_bitrate_mask mask
;
8557 struct net_device
*dev
= info
->user_ptr
[1];
8558 struct nlattr
*tx_rates
;
8559 struct ieee80211_supported_band
*sband
;
8562 if (!rdev
->ops
->set_bitrate_mask
)
8565 memset(&mask
, 0, sizeof(mask
));
8566 /* Default to all rates enabled */
8567 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
8568 sband
= rdev
->wiphy
.bands
[i
];
8573 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8574 memcpy(mask
.control
[i
].ht_mcs
,
8575 sband
->ht_cap
.mcs
.rx_mask
,
8576 sizeof(mask
.control
[i
].ht_mcs
));
8578 if (!sband
->vht_cap
.vht_supported
)
8581 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8582 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8585 /* if no rates are given set it back to the defaults */
8586 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8590 * The nested attribute uses enum nl80211_band as the index. This maps
8591 * directly to the enum nl80211_band values used in cfg80211.
8593 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8594 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8595 enum nl80211_band band
= nla_type(tx_rates
);
8598 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
8600 sband
= rdev
->wiphy
.bands
[band
];
8603 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8604 nla_len(tx_rates
), nl80211_txattr_policy
);
8607 if (tb
[NL80211_TXRATE_LEGACY
]) {
8608 mask
.control
[band
].legacy
= rateset_to_mask(
8610 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8611 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8612 if ((mask
.control
[band
].legacy
== 0) &&
8613 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8616 if (tb
[NL80211_TXRATE_HT
]) {
8617 if (!ht_rateset_to_mask(
8619 nla_data(tb
[NL80211_TXRATE_HT
]),
8620 nla_len(tb
[NL80211_TXRATE_HT
]),
8621 mask
.control
[band
].ht_mcs
))
8624 if (tb
[NL80211_TXRATE_VHT
]) {
8625 if (!vht_set_mcs_mask(
8627 nla_data(tb
[NL80211_TXRATE_VHT
]),
8628 mask
.control
[band
].vht_mcs
))
8631 if (tb
[NL80211_TXRATE_GI
]) {
8632 mask
.control
[band
].gi
=
8633 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8634 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8638 if (mask
.control
[band
].legacy
== 0) {
8639 /* don't allow empty legacy rates if HT or VHT
8640 * are not even supported.
8642 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8643 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8646 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8647 if (mask
.control
[band
].ht_mcs
[i
])
8650 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8651 if (mask
.control
[band
].vht_mcs
[i
])
8654 /* legacy and mcs rates may not be both empty */
8660 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8663 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8665 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8666 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8667 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8669 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8672 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8673 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8675 switch (wdev
->iftype
) {
8676 case NL80211_IFTYPE_STATION
:
8677 case NL80211_IFTYPE_ADHOC
:
8678 case NL80211_IFTYPE_P2P_CLIENT
:
8679 case NL80211_IFTYPE_AP
:
8680 case NL80211_IFTYPE_AP_VLAN
:
8681 case NL80211_IFTYPE_MESH_POINT
:
8682 case NL80211_IFTYPE_P2P_GO
:
8683 case NL80211_IFTYPE_P2P_DEVICE
:
8689 /* not much point in registering if we can't reply */
8690 if (!rdev
->ops
->mgmt_tx
)
8693 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8694 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8695 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8698 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8700 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8701 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8702 struct cfg80211_chan_def chandef
;
8706 struct sk_buff
*msg
= NULL
;
8707 struct cfg80211_mgmt_tx_params params
= {
8708 .dont_wait_for_ack
=
8709 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8712 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8715 if (!rdev
->ops
->mgmt_tx
)
8718 switch (wdev
->iftype
) {
8719 case NL80211_IFTYPE_P2P_DEVICE
:
8720 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8722 case NL80211_IFTYPE_STATION
:
8723 case NL80211_IFTYPE_ADHOC
:
8724 case NL80211_IFTYPE_P2P_CLIENT
:
8725 case NL80211_IFTYPE_AP
:
8726 case NL80211_IFTYPE_AP_VLAN
:
8727 case NL80211_IFTYPE_MESH_POINT
:
8728 case NL80211_IFTYPE_P2P_GO
:
8734 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8735 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8737 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8740 * We should wait on the channel for at least a minimum amount
8741 * of time (10ms) but no longer than the driver supports.
8743 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8744 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8749 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8751 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8754 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8756 /* get the channel if any has been specified, otherwise pass NULL to
8757 * the driver. The latter will use the current one
8759 chandef
.chan
= NULL
;
8760 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8761 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8766 if (!chandef
.chan
&& params
.offchan
)
8769 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8770 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8772 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8773 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8776 if (len
% sizeof(u16
))
8779 params
.n_csa_offsets
= len
/ sizeof(u16
);
8780 params
.csa_offsets
=
8781 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8783 /* check that all the offsets fit the frame */
8784 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8785 if (params
.csa_offsets
[i
] >= params
.len
)
8790 if (!params
.dont_wait_for_ack
) {
8791 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8795 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8803 params
.chan
= chandef
.chan
;
8804 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8809 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
8811 goto nla_put_failure
;
8813 genlmsg_end(msg
, hdr
);
8814 return genlmsg_reply(msg
, info
);
8826 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8828 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8829 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8832 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8835 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8838 switch (wdev
->iftype
) {
8839 case NL80211_IFTYPE_STATION
:
8840 case NL80211_IFTYPE_ADHOC
:
8841 case NL80211_IFTYPE_P2P_CLIENT
:
8842 case NL80211_IFTYPE_AP
:
8843 case NL80211_IFTYPE_AP_VLAN
:
8844 case NL80211_IFTYPE_P2P_GO
:
8845 case NL80211_IFTYPE_P2P_DEVICE
:
8851 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8853 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8856 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8858 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8859 struct wireless_dev
*wdev
;
8860 struct net_device
*dev
= info
->user_ptr
[1];
8865 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8868 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8870 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8873 wdev
= dev
->ieee80211_ptr
;
8875 if (!rdev
->ops
->set_power_mgmt
)
8878 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8880 if (state
== wdev
->ps
)
8883 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8889 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8891 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8892 enum nl80211_ps_state ps_state
;
8893 struct wireless_dev
*wdev
;
8894 struct net_device
*dev
= info
->user_ptr
[1];
8895 struct sk_buff
*msg
;
8899 wdev
= dev
->ieee80211_ptr
;
8901 if (!rdev
->ops
->set_power_mgmt
)
8904 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8908 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8909 NL80211_CMD_GET_POWER_SAVE
);
8916 ps_state
= NL80211_PS_ENABLED
;
8918 ps_state
= NL80211_PS_DISABLED
;
8920 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8921 goto nla_put_failure
;
8923 genlmsg_end(msg
, hdr
);
8924 return genlmsg_reply(msg
, info
);
8933 static const struct nla_policy
8934 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8935 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8936 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8937 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8938 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8939 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8940 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8943 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8944 u32 rate
, u32 pkts
, u32 intvl
)
8946 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8947 struct net_device
*dev
= info
->user_ptr
[1];
8948 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8950 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8953 if (!rdev
->ops
->set_cqm_txe_config
)
8956 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8957 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8960 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8963 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8964 s32 threshold
, u32 hysteresis
)
8966 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8967 struct net_device
*dev
= info
->user_ptr
[1];
8968 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8973 /* disabling - hysteresis should also be zero then */
8977 if (!rdev
->ops
->set_cqm_rssi_config
)
8980 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8981 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8984 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8987 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8989 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8993 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8997 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8998 nl80211_attr_cqm_policy
);
9002 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9003 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9004 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9005 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9007 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
9010 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9011 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9012 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9013 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9014 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9015 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9017 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9023 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9025 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9026 struct net_device
*dev
= info
->user_ptr
[1];
9027 struct ocb_setup setup
= {};
9030 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9034 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9037 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9039 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9040 struct net_device
*dev
= info
->user_ptr
[1];
9042 return cfg80211_leave_ocb(rdev
, dev
);
9045 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9047 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9048 struct net_device
*dev
= info
->user_ptr
[1];
9049 struct mesh_config cfg
;
9050 struct mesh_setup setup
;
9053 /* start with default */
9054 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9055 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9057 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9058 /* and parse parameters if given */
9059 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9064 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9065 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9068 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9069 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9071 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9072 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
9073 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
9076 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
9077 setup
.beacon_interval
=
9078 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
9079 if (setup
.beacon_interval
< 10 ||
9080 setup
.beacon_interval
> 10000)
9084 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
9086 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
9087 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
9091 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
9092 /* parse additional setup parameters if given */
9093 err
= nl80211_parse_mesh_setup(info
, &setup
);
9099 cfg
.auto_open_plinks
= false;
9101 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9102 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9106 /* cfg80211_join_mesh() will sort it out */
9107 setup
.chandef
.chan
= NULL
;
9110 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
9111 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9113 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9114 struct ieee80211_supported_band
*sband
;
9116 if (!setup
.chandef
.chan
)
9119 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
9121 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
9122 &setup
.basic_rates
);
9127 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
9130 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9132 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9133 struct net_device
*dev
= info
->user_ptr
[1];
9135 return cfg80211_leave_mesh(rdev
, dev
);
9139 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
9140 struct cfg80211_registered_device
*rdev
)
9142 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
9143 struct nlattr
*nl_pats
, *nl_pat
;
9146 if (!wowlan
->n_patterns
)
9149 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
9153 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
9154 nl_pat
= nla_nest_start(msg
, i
+ 1);
9157 pat_len
= wowlan
->patterns
[i
].pattern_len
;
9158 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
9159 wowlan
->patterns
[i
].mask
) ||
9160 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9161 wowlan
->patterns
[i
].pattern
) ||
9162 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9163 wowlan
->patterns
[i
].pkt_offset
))
9165 nla_nest_end(msg
, nl_pat
);
9167 nla_nest_end(msg
, nl_pats
);
9172 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
9173 struct cfg80211_wowlan_tcp
*tcp
)
9175 struct nlattr
*nl_tcp
;
9180 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
9184 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
9185 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
9186 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
9187 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
9188 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
9189 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
9190 tcp
->payload_len
, tcp
->payload
) ||
9191 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
9192 tcp
->data_interval
) ||
9193 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
9194 tcp
->wake_len
, tcp
->wake_data
) ||
9195 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
9196 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
9199 if (tcp
->payload_seq
.len
&&
9200 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
9201 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
9204 if (tcp
->payload_tok
.len
&&
9205 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
9206 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
9210 nla_nest_end(msg
, nl_tcp
);
9215 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
9216 struct cfg80211_sched_scan_request
*req
)
9218 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
9224 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
9228 if (req
->n_scan_plans
== 1 &&
9229 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
9230 req
->scan_plans
[0].interval
* 1000))
9233 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
9236 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9240 for (i
= 0; i
< req
->n_channels
; i
++)
9241 nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
);
9243 nla_nest_end(msg
, freqs
);
9245 if (req
->n_match_sets
) {
9246 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
9247 for (i
= 0; i
< req
->n_match_sets
; i
++) {
9248 match
= nla_nest_start(msg
, i
);
9249 nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
9250 req
->match_sets
[i
].ssid
.ssid_len
,
9251 req
->match_sets
[i
].ssid
.ssid
);
9252 nla_nest_end(msg
, match
);
9254 nla_nest_end(msg
, matches
);
9257 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
9261 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
9262 scan_plan
= nla_nest_start(msg
, i
+ 1);
9264 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
9265 req
->scan_plans
[i
].interval
) ||
9266 (req
->scan_plans
[i
].iterations
&&
9267 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
9268 req
->scan_plans
[i
].iterations
)))
9270 nla_nest_end(msg
, scan_plan
);
9272 nla_nest_end(msg
, scan_plans
);
9274 nla_nest_end(msg
, nd
);
9279 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9281 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9282 struct sk_buff
*msg
;
9284 u32 size
= NLMSG_DEFAULT_SIZE
;
9286 if (!rdev
->wiphy
.wowlan
)
9289 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
9290 /* adjust size to have room for all the data */
9291 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
9292 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
9293 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
9294 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
9297 msg
= nlmsg_new(size
, GFP_KERNEL
);
9301 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9302 NL80211_CMD_GET_WOWLAN
);
9304 goto nla_put_failure
;
9306 if (rdev
->wiphy
.wowlan_config
) {
9307 struct nlattr
*nl_wowlan
;
9309 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
9311 goto nla_put_failure
;
9313 if ((rdev
->wiphy
.wowlan_config
->any
&&
9314 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
9315 (rdev
->wiphy
.wowlan_config
->disconnect
&&
9316 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
9317 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
9318 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
9319 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
9320 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
9321 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
9322 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
9323 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
9324 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
9325 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
9326 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
9327 goto nla_put_failure
;
9329 if (nl80211_send_wowlan_patterns(msg
, rdev
))
9330 goto nla_put_failure
;
9332 if (nl80211_send_wowlan_tcp(msg
,
9333 rdev
->wiphy
.wowlan_config
->tcp
))
9334 goto nla_put_failure
;
9336 if (nl80211_send_wowlan_nd(
9338 rdev
->wiphy
.wowlan_config
->nd_config
))
9339 goto nla_put_failure
;
9341 nla_nest_end(msg
, nl_wowlan
);
9344 genlmsg_end(msg
, hdr
);
9345 return genlmsg_reply(msg
, info
);
9352 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
9353 struct nlattr
*attr
,
9354 struct cfg80211_wowlan
*trig
)
9356 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
9357 struct cfg80211_wowlan_tcp
*cfg
;
9358 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
9359 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
9361 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
9364 if (!rdev
->wiphy
.wowlan
->tcp
)
9367 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
9368 nla_data(attr
), nla_len(attr
),
9369 nl80211_wowlan_tcp_policy
);
9373 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
9374 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
9375 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
9376 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
9377 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
9378 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
9379 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
9380 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
9383 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
9384 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
9387 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
9388 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
9389 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
9392 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
9393 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
9396 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
9397 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
9400 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
9401 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9403 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9404 tokens_size
= tokln
- sizeof(*tok
);
9406 if (!tok
->len
|| tokens_size
% tok
->len
)
9408 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
9410 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
9412 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
9414 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
9416 if (tok
->offset
+ tok
->len
> data_size
)
9420 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
9421 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
9422 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
9424 if (seq
->len
== 0 || seq
->len
> 4)
9426 if (seq
->len
+ seq
->offset
> data_size
)
9430 size
= sizeof(*cfg
);
9432 size
+= wake_size
+ wake_mask_size
;
9433 size
+= tokens_size
;
9435 cfg
= kzalloc(size
, GFP_KERNEL
);
9438 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
9439 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
9440 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
9442 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
9443 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
9447 /* allocate a socket and port for it and use it */
9448 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
9449 IPPROTO_TCP
, &cfg
->sock
, 1);
9454 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
9455 sock_release(cfg
->sock
);
9459 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
9465 cfg
->src_port
= port
;
9468 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
9469 cfg
->payload_len
= data_size
;
9470 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
9471 memcpy((void *)cfg
->payload
,
9472 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
9475 cfg
->payload_seq
= *seq
;
9476 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
9477 cfg
->wake_len
= wake_size
;
9478 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
9479 memcpy((void *)cfg
->wake_data
,
9480 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
9482 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
9483 data_size
+ wake_size
;
9484 memcpy((void *)cfg
->wake_mask
,
9485 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
9488 cfg
->tokens_size
= tokens_size
;
9489 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
9497 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
9498 const struct wiphy_wowlan_support
*wowlan
,
9499 struct nlattr
*attr
,
9500 struct cfg80211_wowlan
*trig
)
9505 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
9509 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
9514 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
9515 nla_data(attr
), nla_len(attr
),
9520 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
9521 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
9523 trig
->nd_config
= NULL
;
9530 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9532 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9533 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
9534 struct cfg80211_wowlan new_triggers
= {};
9535 struct cfg80211_wowlan
*ntrig
;
9536 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
9538 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
9539 bool regular
= false;
9544 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
9545 cfg80211_rdev_free_wowlan(rdev
);
9546 rdev
->wiphy
.wowlan_config
= NULL
;
9550 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
9551 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9552 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9553 nl80211_wowlan_policy
);
9557 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
9558 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
9560 new_triggers
.any
= true;
9563 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
9564 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
9566 new_triggers
.disconnect
= true;
9570 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
9571 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
9573 new_triggers
.magic_pkt
= true;
9577 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
9580 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
9581 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9583 new_triggers
.gtk_rekey_failure
= true;
9587 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9588 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9590 new_triggers
.eap_identity_req
= true;
9594 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9595 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9597 new_triggers
.four_way_handshake
= true;
9601 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9602 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9604 new_triggers
.rfkill_release
= true;
9608 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9611 int rem
, pat_len
, mask_len
, pkt_offset
;
9612 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9616 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9619 if (n_patterns
> wowlan
->n_patterns
)
9622 new_triggers
.patterns
= kcalloc(n_patterns
,
9623 sizeof(new_triggers
.patterns
[0]),
9625 if (!new_triggers
.patterns
)
9628 new_triggers
.n_patterns
= n_patterns
;
9631 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9635 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9636 nla_len(pat
), NULL
);
9638 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9639 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9641 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9642 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9643 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9645 if (pat_len
> wowlan
->pattern_max_len
||
9646 pat_len
< wowlan
->pattern_min_len
)
9649 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9652 pkt_offset
= nla_get_u32(
9653 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9654 if (pkt_offset
> wowlan
->max_pkt_offset
)
9656 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9658 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9663 new_triggers
.patterns
[i
].mask
= mask_pat
;
9664 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9666 mask_pat
+= mask_len
;
9667 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9668 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9670 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9676 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9678 err
= nl80211_parse_wowlan_tcp(
9679 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9685 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9687 err
= nl80211_parse_wowlan_nd(
9688 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9694 /* The 'any' trigger means the device continues operating more or less
9695 * as in its normal operation mode and wakes up the host on most of the
9696 * normal interrupts (like packet RX, ...)
9697 * It therefore makes little sense to combine with the more constrained
9698 * wakeup trigger modes.
9700 if (new_triggers
.any
&& regular
) {
9705 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9710 cfg80211_rdev_free_wowlan(rdev
);
9711 rdev
->wiphy
.wowlan_config
= ntrig
;
9714 if (rdev
->ops
->set_wakeup
&&
9715 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9716 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9720 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9721 kfree(new_triggers
.patterns
[i
].mask
);
9722 kfree(new_triggers
.patterns
);
9723 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9724 sock_release(new_triggers
.tcp
->sock
);
9725 kfree(new_triggers
.tcp
);
9726 kfree(new_triggers
.nd_config
);
9731 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9732 struct cfg80211_registered_device
*rdev
)
9734 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9736 struct cfg80211_coalesce_rules
*rule
;
9738 if (!rdev
->coalesce
->n_rules
)
9741 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9745 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9746 nl_rule
= nla_nest_start(msg
, i
+ 1);
9750 rule
= &rdev
->coalesce
->rules
[i
];
9751 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9755 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9759 nl_pats
= nla_nest_start(msg
,
9760 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9764 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9765 nl_pat
= nla_nest_start(msg
, j
+ 1);
9768 pat_len
= rule
->patterns
[j
].pattern_len
;
9769 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9770 DIV_ROUND_UP(pat_len
, 8),
9771 rule
->patterns
[j
].mask
) ||
9772 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9773 rule
->patterns
[j
].pattern
) ||
9774 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9775 rule
->patterns
[j
].pkt_offset
))
9777 nla_nest_end(msg
, nl_pat
);
9779 nla_nest_end(msg
, nl_pats
);
9780 nla_nest_end(msg
, nl_rule
);
9782 nla_nest_end(msg
, nl_rules
);
9787 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9789 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9790 struct sk_buff
*msg
;
9793 if (!rdev
->wiphy
.coalesce
)
9796 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9800 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9801 NL80211_CMD_GET_COALESCE
);
9803 goto nla_put_failure
;
9805 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9806 goto nla_put_failure
;
9808 genlmsg_end(msg
, hdr
);
9809 return genlmsg_reply(msg
, info
);
9816 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9818 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9820 struct cfg80211_coalesce_rules
*rule
;
9825 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9826 rule
= &coalesce
->rules
[i
];
9827 for (j
= 0; j
< rule
->n_patterns
; j
++)
9828 kfree(rule
->patterns
[j
].mask
);
9829 kfree(rule
->patterns
);
9831 kfree(coalesce
->rules
);
9833 rdev
->coalesce
= NULL
;
9836 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9837 struct nlattr
*rule
,
9838 struct cfg80211_coalesce_rules
*new_rule
)
9841 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9842 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9843 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9844 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9846 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9847 nla_len(rule
), nl80211_coalesce_policy
);
9851 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9853 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9854 if (new_rule
->delay
> coalesce
->max_delay
)
9857 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9858 new_rule
->condition
=
9859 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9860 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9861 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9864 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9867 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9870 if (n_patterns
> coalesce
->n_patterns
)
9873 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9875 if (!new_rule
->patterns
)
9878 new_rule
->n_patterns
= n_patterns
;
9881 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9885 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9886 nla_len(pat
), NULL
);
9887 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9888 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9890 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9891 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9892 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9894 if (pat_len
> coalesce
->pattern_max_len
||
9895 pat_len
< coalesce
->pattern_min_len
)
9898 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9901 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9902 if (pkt_offset
> coalesce
->max_pkt_offset
)
9904 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9906 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9910 new_rule
->patterns
[i
].mask
= mask_pat
;
9911 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9914 mask_pat
+= mask_len
;
9915 new_rule
->patterns
[i
].pattern
= mask_pat
;
9916 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9917 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9925 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9927 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9928 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9929 struct cfg80211_coalesce new_coalesce
= {};
9930 struct cfg80211_coalesce
*n_coalesce
;
9931 int err
, rem_rule
, n_rules
= 0, i
, j
;
9932 struct nlattr
*rule
;
9933 struct cfg80211_coalesce_rules
*tmp_rule
;
9935 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9938 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9939 cfg80211_rdev_free_coalesce(rdev
);
9940 rdev_set_coalesce(rdev
, NULL
);
9944 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9947 if (n_rules
> coalesce
->n_rules
)
9950 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9952 if (!new_coalesce
.rules
)
9955 new_coalesce
.n_rules
= n_rules
;
9958 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9960 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9961 &new_coalesce
.rules
[i
]);
9968 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
9972 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9977 cfg80211_rdev_free_coalesce(rdev
);
9978 rdev
->coalesce
= n_coalesce
;
9982 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9983 tmp_rule
= &new_coalesce
.rules
[i
];
9984 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9985 kfree(tmp_rule
->patterns
[j
].mask
);
9986 kfree(tmp_rule
->patterns
);
9988 kfree(new_coalesce
.rules
);
9993 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9995 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9996 struct net_device
*dev
= info
->user_ptr
[1];
9997 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9998 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9999 struct cfg80211_gtk_rekey_data rekey_data
;
10002 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10005 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
10006 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
10007 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
10008 nl80211_rekey_policy
);
10012 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10014 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10016 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10019 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10020 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10021 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
10024 if (!wdev
->current_bss
) {
10029 if (!rdev
->ops
->set_rekey_data
) {
10034 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
10040 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
10041 struct genl_info
*info
)
10043 struct net_device
*dev
= info
->user_ptr
[1];
10044 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10046 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10047 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10050 if (wdev
->ap_unexpected_nlportid
)
10053 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
10057 static int nl80211_probe_client(struct sk_buff
*skb
,
10058 struct genl_info
*info
)
10060 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10061 struct net_device
*dev
= info
->user_ptr
[1];
10062 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10063 struct sk_buff
*msg
;
10069 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10070 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10071 return -EOPNOTSUPP
;
10073 if (!info
->attrs
[NL80211_ATTR_MAC
])
10076 if (!rdev
->ops
->probe_client
)
10077 return -EOPNOTSUPP
;
10079 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10083 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10084 NL80211_CMD_PROBE_CLIENT
);
10090 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10092 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
10096 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
10098 goto nla_put_failure
;
10100 genlmsg_end(msg
, hdr
);
10102 return genlmsg_reply(msg
, info
);
10111 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
10113 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10114 struct cfg80211_beacon_registration
*reg
, *nreg
;
10117 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
10118 return -EOPNOTSUPP
;
10120 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
10124 /* First, check if already registered. */
10125 spin_lock_bh(&rdev
->beacon_registrations_lock
);
10126 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
10127 if (reg
->nlportid
== info
->snd_portid
) {
10132 /* Add it to the list */
10133 nreg
->nlportid
= info
->snd_portid
;
10134 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
10136 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10140 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10145 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
10147 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10148 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10151 if (!rdev
->ops
->start_p2p_device
)
10152 return -EOPNOTSUPP
;
10154 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
10155 return -EOPNOTSUPP
;
10157 if (wdev
->p2p_started
)
10160 if (rfkill_blocked(rdev
->rfkill
))
10163 err
= rdev_start_p2p_device(rdev
, wdev
);
10167 wdev
->p2p_started
= true;
10173 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
10175 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10176 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10178 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
10179 return -EOPNOTSUPP
;
10181 if (!rdev
->ops
->stop_p2p_device
)
10182 return -EOPNOTSUPP
;
10184 cfg80211_stop_p2p_device(rdev
, wdev
);
10189 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
10190 struct genl_info
*info
)
10193 struct sk_buff
*msg
;
10195 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10199 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10200 NL80211_CMD_GET_PROTOCOL_FEATURES
);
10202 goto nla_put_failure
;
10204 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
10205 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
10206 goto nla_put_failure
;
10208 genlmsg_end(msg
, hdr
);
10209 return genlmsg_reply(msg
, info
);
10216 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
10218 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10219 struct cfg80211_update_ft_ies_params ft_params
;
10220 struct net_device
*dev
= info
->user_ptr
[1];
10222 if (!rdev
->ops
->update_ft_ies
)
10223 return -EOPNOTSUPP
;
10225 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
10226 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
10229 memset(&ft_params
, 0, sizeof(ft_params
));
10230 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
10231 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
10232 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
10234 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
10237 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
10238 struct genl_info
*info
)
10240 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10241 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10242 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
10246 if (!rdev
->ops
->crit_proto_start
)
10247 return -EOPNOTSUPP
;
10249 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
10252 if (rdev
->crit_proto_nlportid
)
10255 /* determine protocol if provided */
10256 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
10257 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
10259 if (proto
>= NUM_NL80211_CRIT_PROTO
)
10262 /* timeout must be provided */
10263 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
10267 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
10269 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
10272 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
10274 rdev
->crit_proto_nlportid
= info
->snd_portid
;
10279 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
10280 struct genl_info
*info
)
10282 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10283 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10285 if (!rdev
->ops
->crit_proto_stop
)
10286 return -EOPNOTSUPP
;
10288 if (rdev
->crit_proto_nlportid
) {
10289 rdev
->crit_proto_nlportid
= 0;
10290 rdev_crit_proto_stop(rdev
, wdev
);
10295 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
10297 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10298 struct wireless_dev
*wdev
=
10299 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
10303 if (!rdev
->wiphy
.vendor_commands
)
10304 return -EOPNOTSUPP
;
10306 if (IS_ERR(wdev
)) {
10307 err
= PTR_ERR(wdev
);
10308 if (err
!= -EINVAL
)
10311 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
10315 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
10316 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
10319 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
10320 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
10321 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
10322 const struct wiphy_vendor_command
*vcmd
;
10326 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
10328 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
10331 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
10332 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
10335 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
10339 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
10340 if (wdev
->netdev
&&
10341 !netif_running(wdev
->netdev
))
10343 if (!wdev
->netdev
&& !wdev
->p2p_started
)
10348 return -EOPNOTSUPP
;
10353 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
10354 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
10355 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
10358 rdev
->cur_cmd_info
= info
;
10359 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
10361 rdev
->cur_cmd_info
= NULL
;
10365 return -EOPNOTSUPP
;
10368 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
10369 struct netlink_callback
*cb
,
10370 struct cfg80211_registered_device
**rdev
,
10371 struct wireless_dev
**wdev
)
10378 unsigned int data_len
= 0;
10383 /* subtract the 1 again here */
10384 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
10385 struct wireless_dev
*tmp
;
10391 *rdev
= wiphy_to_rdev(wiphy
);
10395 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
10396 if (tmp
->identifier
== cb
->args
[1] - 1) {
10403 /* keep rtnl locked in successful case */
10407 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
10408 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
10413 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
10414 !nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]) {
10419 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
10420 nl80211_fam
.attrbuf
);
10424 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
10425 nl80211_fam
.attrbuf
);
10426 if (IS_ERR(*rdev
)) {
10427 err
= PTR_ERR(*rdev
);
10431 vid
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_ID
]);
10432 subcmd
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
10434 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
10435 const struct wiphy_vendor_command
*vcmd
;
10437 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
10439 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
10442 if (!vcmd
->dumpit
) {
10451 if (vcmd_idx
< 0) {
10456 if (nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
10457 data
= nla_data(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
10458 data_len
= nla_len(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
10461 /* 0 is the first index - add 1 to parse only once */
10462 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
10463 /* add 1 to know if it was NULL */
10464 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
10465 cb
->args
[2] = vcmd_idx
;
10466 cb
->args
[3] = (unsigned long)data
;
10467 cb
->args
[4] = data_len
;
10469 /* keep rtnl locked in successful case */
10476 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
10477 struct netlink_callback
*cb
)
10479 struct cfg80211_registered_device
*rdev
;
10480 struct wireless_dev
*wdev
;
10481 unsigned int vcmd_idx
;
10482 const struct wiphy_vendor_command
*vcmd
;
10486 struct nlattr
*vendor_data
;
10488 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
10492 vcmd_idx
= cb
->args
[2];
10493 data
= (void *)cb
->args
[3];
10494 data_len
= cb
->args
[4];
10495 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
10497 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
10498 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
10501 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
10505 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
10506 if (wdev
->netdev
&&
10507 !netif_running(wdev
->netdev
))
10509 if (!wdev
->netdev
&& !wdev
->p2p_started
)
10515 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
10516 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
10517 NL80211_CMD_VENDOR
);
10521 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10522 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
10524 NL80211_ATTR_PAD
))) {
10525 genlmsg_cancel(skb
, hdr
);
10529 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
10530 if (!vendor_data
) {
10531 genlmsg_cancel(skb
, hdr
);
10535 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
10536 (unsigned long *)&cb
->args
[5]);
10537 nla_nest_end(skb
, vendor_data
);
10539 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
10540 genlmsg_cancel(skb
, hdr
);
10543 genlmsg_cancel(skb
, hdr
);
10547 genlmsg_end(skb
, hdr
);
10556 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
10557 enum nl80211_commands cmd
,
10558 enum nl80211_attrs attr
,
10561 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10563 if (WARN_ON(!rdev
->cur_cmd_info
))
10566 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
10567 rdev
->cur_cmd_info
->snd_portid
,
10568 rdev
->cur_cmd_info
->snd_seq
,
10569 cmd
, attr
, NULL
, GFP_KERNEL
);
10571 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
10573 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
10575 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
10576 void *hdr
= ((void **)skb
->cb
)[1];
10577 struct nlattr
*data
= ((void **)skb
->cb
)[2];
10579 /* clear CB data for netlink core to own from now on */
10580 memset(skb
->cb
, 0, sizeof(skb
->cb
));
10582 if (WARN_ON(!rdev
->cur_cmd_info
)) {
10587 nla_nest_end(skb
, data
);
10588 genlmsg_end(skb
, hdr
);
10589 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
10591 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
10594 static int nl80211_set_qos_map(struct sk_buff
*skb
,
10595 struct genl_info
*info
)
10597 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10598 struct cfg80211_qos_map
*qos_map
= NULL
;
10599 struct net_device
*dev
= info
->user_ptr
[1];
10600 u8
*pos
, len
, num_des
, des_len
, des
;
10603 if (!rdev
->ops
->set_qos_map
)
10604 return -EOPNOTSUPP
;
10606 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
10607 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10608 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10610 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
10611 len
> IEEE80211_QOS_MAP_LEN_MAX
)
10614 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
10618 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
10620 des_len
= num_des
*
10621 sizeof(struct cfg80211_dscp_exception
);
10622 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
10623 qos_map
->num_des
= num_des
;
10624 for (des
= 0; des
< num_des
; des
++) {
10625 if (qos_map
->dscp_exception
[des
].up
> 7) {
10632 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
10635 wdev_lock(dev
->ieee80211_ptr
);
10636 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
10638 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
10639 wdev_unlock(dev
->ieee80211_ptr
);
10645 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10647 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10648 struct net_device
*dev
= info
->user_ptr
[1];
10649 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10652 u16 admitted_time
= 0;
10655 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
10656 return -EOPNOTSUPP
;
10658 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
10659 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
10662 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10663 if (tsid
>= IEEE80211_NUM_TIDS
)
10666 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
10667 if (up
>= IEEE80211_NUM_UPS
)
10670 /* WMM uses TIDs 0-7 even for TSPEC */
10671 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
10672 /* TODO: handle 802.11 TSPEC/admission control
10673 * need more attributes for that (e.g. BA session requirement);
10674 * change the WMM adminssion test above to allow both then
10679 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10681 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
10683 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
10684 if (!admitted_time
)
10689 switch (wdev
->iftype
) {
10690 case NL80211_IFTYPE_STATION
:
10691 case NL80211_IFTYPE_P2P_CLIENT
:
10692 if (wdev
->current_bss
)
10701 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
10708 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10710 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10711 struct net_device
*dev
= info
->user_ptr
[1];
10712 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10717 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
10720 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10721 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10724 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
10730 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
10731 struct genl_info
*info
)
10733 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10734 struct net_device
*dev
= info
->user_ptr
[1];
10735 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10736 struct cfg80211_chan_def chandef
= {};
10741 if (!rdev
->ops
->tdls_channel_switch
||
10742 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10743 return -EOPNOTSUPP
;
10745 switch (dev
->ieee80211_ptr
->iftype
) {
10746 case NL80211_IFTYPE_STATION
:
10747 case NL80211_IFTYPE_P2P_CLIENT
:
10750 return -EOPNOTSUPP
;
10753 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
10754 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
10757 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
10762 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
10763 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
10764 * specification is not defined for them.
10766 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
10767 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
10768 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
10771 /* we will be active on the TDLS link */
10772 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
10776 /* don't allow switching to DFS channels */
10777 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
10780 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10781 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
10784 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
10790 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
10791 struct genl_info
*info
)
10793 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10794 struct net_device
*dev
= info
->user_ptr
[1];
10795 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10798 if (!rdev
->ops
->tdls_channel_switch
||
10799 !rdev
->ops
->tdls_cancel_channel_switch
||
10800 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10801 return -EOPNOTSUPP
;
10803 switch (dev
->ieee80211_ptr
->iftype
) {
10804 case NL80211_IFTYPE_STATION
:
10805 case NL80211_IFTYPE_P2P_CLIENT
:
10808 return -EOPNOTSUPP
;
10811 if (!info
->attrs
[NL80211_ATTR_MAC
])
10814 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10817 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10823 #define NL80211_FLAG_NEED_WIPHY 0x01
10824 #define NL80211_FLAG_NEED_NETDEV 0x02
10825 #define NL80211_FLAG_NEED_RTNL 0x04
10826 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10827 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10828 NL80211_FLAG_CHECK_NETDEV_UP)
10829 #define NL80211_FLAG_NEED_WDEV 0x10
10830 /* If a netdev is associated, it must be UP, P2P must be started */
10831 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10832 NL80211_FLAG_CHECK_NETDEV_UP)
10833 #define NL80211_FLAG_CLEAR_SKB 0x20
10835 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10836 struct genl_info
*info
)
10838 struct cfg80211_registered_device
*rdev
;
10839 struct wireless_dev
*wdev
;
10840 struct net_device
*dev
;
10841 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
10846 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
10847 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
10848 if (IS_ERR(rdev
)) {
10851 return PTR_ERR(rdev
);
10853 info
->user_ptr
[0] = rdev
;
10854 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
10855 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10858 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
10860 if (IS_ERR(wdev
)) {
10863 return PTR_ERR(wdev
);
10866 dev
= wdev
->netdev
;
10867 rdev
= wiphy_to_rdev(wdev
->wiphy
);
10869 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
10876 info
->user_ptr
[1] = dev
;
10878 info
->user_ptr
[1] = wdev
;
10882 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
10883 !netif_running(dev
)) {
10890 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
10891 if (!wdev
->p2p_started
) {
10898 info
->user_ptr
[0] = rdev
;
10904 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10905 struct genl_info
*info
)
10907 if (info
->user_ptr
[1]) {
10908 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10909 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10912 dev_put(wdev
->netdev
);
10914 dev_put(info
->user_ptr
[1]);
10918 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10921 /* If needed, clear the netlink message payload from the SKB
10922 * as it might contain key data that shouldn't stick around on
10923 * the heap after the SKB is freed. The netlink message header
10924 * is still needed for further processing, so leave it intact.
10926 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10927 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10929 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10933 static const struct genl_ops nl80211_ops
[] = {
10935 .cmd
= NL80211_CMD_GET_WIPHY
,
10936 .doit
= nl80211_get_wiphy
,
10937 .dumpit
= nl80211_dump_wiphy
,
10938 .done
= nl80211_dump_wiphy_done
,
10939 .policy
= nl80211_policy
,
10940 /* can be retrieved by unprivileged users */
10941 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10942 NL80211_FLAG_NEED_RTNL
,
10945 .cmd
= NL80211_CMD_SET_WIPHY
,
10946 .doit
= nl80211_set_wiphy
,
10947 .policy
= nl80211_policy
,
10948 .flags
= GENL_ADMIN_PERM
,
10949 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10952 .cmd
= NL80211_CMD_GET_INTERFACE
,
10953 .doit
= nl80211_get_interface
,
10954 .dumpit
= nl80211_dump_interface
,
10955 .policy
= nl80211_policy
,
10956 /* can be retrieved by unprivileged users */
10957 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10958 NL80211_FLAG_NEED_RTNL
,
10961 .cmd
= NL80211_CMD_SET_INTERFACE
,
10962 .doit
= nl80211_set_interface
,
10963 .policy
= nl80211_policy
,
10964 .flags
= GENL_ADMIN_PERM
,
10965 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10966 NL80211_FLAG_NEED_RTNL
,
10969 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10970 .doit
= nl80211_new_interface
,
10971 .policy
= nl80211_policy
,
10972 .flags
= GENL_ADMIN_PERM
,
10973 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10974 NL80211_FLAG_NEED_RTNL
,
10977 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10978 .doit
= nl80211_del_interface
,
10979 .policy
= nl80211_policy
,
10980 .flags
= GENL_ADMIN_PERM
,
10981 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10982 NL80211_FLAG_NEED_RTNL
,
10985 .cmd
= NL80211_CMD_GET_KEY
,
10986 .doit
= nl80211_get_key
,
10987 .policy
= nl80211_policy
,
10988 .flags
= GENL_ADMIN_PERM
,
10989 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10990 NL80211_FLAG_NEED_RTNL
,
10993 .cmd
= NL80211_CMD_SET_KEY
,
10994 .doit
= nl80211_set_key
,
10995 .policy
= nl80211_policy
,
10996 .flags
= GENL_ADMIN_PERM
,
10997 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10998 NL80211_FLAG_NEED_RTNL
|
10999 NL80211_FLAG_CLEAR_SKB
,
11002 .cmd
= NL80211_CMD_NEW_KEY
,
11003 .doit
= nl80211_new_key
,
11004 .policy
= nl80211_policy
,
11005 .flags
= GENL_ADMIN_PERM
,
11006 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11007 NL80211_FLAG_NEED_RTNL
|
11008 NL80211_FLAG_CLEAR_SKB
,
11011 .cmd
= NL80211_CMD_DEL_KEY
,
11012 .doit
= nl80211_del_key
,
11013 .policy
= nl80211_policy
,
11014 .flags
= GENL_ADMIN_PERM
,
11015 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11016 NL80211_FLAG_NEED_RTNL
,
11019 .cmd
= NL80211_CMD_SET_BEACON
,
11020 .policy
= nl80211_policy
,
11021 .flags
= GENL_ADMIN_PERM
,
11022 .doit
= nl80211_set_beacon
,
11023 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11024 NL80211_FLAG_NEED_RTNL
,
11027 .cmd
= NL80211_CMD_START_AP
,
11028 .policy
= nl80211_policy
,
11029 .flags
= GENL_ADMIN_PERM
,
11030 .doit
= nl80211_start_ap
,
11031 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11032 NL80211_FLAG_NEED_RTNL
,
11035 .cmd
= NL80211_CMD_STOP_AP
,
11036 .policy
= nl80211_policy
,
11037 .flags
= GENL_ADMIN_PERM
,
11038 .doit
= nl80211_stop_ap
,
11039 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11040 NL80211_FLAG_NEED_RTNL
,
11043 .cmd
= NL80211_CMD_GET_STATION
,
11044 .doit
= nl80211_get_station
,
11045 .dumpit
= nl80211_dump_station
,
11046 .policy
= nl80211_policy
,
11047 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11048 NL80211_FLAG_NEED_RTNL
,
11051 .cmd
= NL80211_CMD_SET_STATION
,
11052 .doit
= nl80211_set_station
,
11053 .policy
= nl80211_policy
,
11054 .flags
= GENL_ADMIN_PERM
,
11055 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11056 NL80211_FLAG_NEED_RTNL
,
11059 .cmd
= NL80211_CMD_NEW_STATION
,
11060 .doit
= nl80211_new_station
,
11061 .policy
= nl80211_policy
,
11062 .flags
= GENL_ADMIN_PERM
,
11063 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11064 NL80211_FLAG_NEED_RTNL
,
11067 .cmd
= NL80211_CMD_DEL_STATION
,
11068 .doit
= nl80211_del_station
,
11069 .policy
= nl80211_policy
,
11070 .flags
= GENL_ADMIN_PERM
,
11071 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11072 NL80211_FLAG_NEED_RTNL
,
11075 .cmd
= NL80211_CMD_GET_MPATH
,
11076 .doit
= nl80211_get_mpath
,
11077 .dumpit
= nl80211_dump_mpath
,
11078 .policy
= nl80211_policy
,
11079 .flags
= GENL_ADMIN_PERM
,
11080 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11081 NL80211_FLAG_NEED_RTNL
,
11084 .cmd
= NL80211_CMD_GET_MPP
,
11085 .doit
= nl80211_get_mpp
,
11086 .dumpit
= nl80211_dump_mpp
,
11087 .policy
= nl80211_policy
,
11088 .flags
= GENL_ADMIN_PERM
,
11089 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11090 NL80211_FLAG_NEED_RTNL
,
11093 .cmd
= NL80211_CMD_SET_MPATH
,
11094 .doit
= nl80211_set_mpath
,
11095 .policy
= nl80211_policy
,
11096 .flags
= GENL_ADMIN_PERM
,
11097 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11098 NL80211_FLAG_NEED_RTNL
,
11101 .cmd
= NL80211_CMD_NEW_MPATH
,
11102 .doit
= nl80211_new_mpath
,
11103 .policy
= nl80211_policy
,
11104 .flags
= GENL_ADMIN_PERM
,
11105 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11106 NL80211_FLAG_NEED_RTNL
,
11109 .cmd
= NL80211_CMD_DEL_MPATH
,
11110 .doit
= nl80211_del_mpath
,
11111 .policy
= nl80211_policy
,
11112 .flags
= GENL_ADMIN_PERM
,
11113 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11114 NL80211_FLAG_NEED_RTNL
,
11117 .cmd
= NL80211_CMD_SET_BSS
,
11118 .doit
= nl80211_set_bss
,
11119 .policy
= nl80211_policy
,
11120 .flags
= GENL_ADMIN_PERM
,
11121 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11122 NL80211_FLAG_NEED_RTNL
,
11125 .cmd
= NL80211_CMD_GET_REG
,
11126 .doit
= nl80211_get_reg_do
,
11127 .dumpit
= nl80211_get_reg_dump
,
11128 .policy
= nl80211_policy
,
11129 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11130 /* can be retrieved by unprivileged users */
11132 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
11134 .cmd
= NL80211_CMD_SET_REG
,
11135 .doit
= nl80211_set_reg
,
11136 .policy
= nl80211_policy
,
11137 .flags
= GENL_ADMIN_PERM
,
11138 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11142 .cmd
= NL80211_CMD_REQ_SET_REG
,
11143 .doit
= nl80211_req_set_reg
,
11144 .policy
= nl80211_policy
,
11145 .flags
= GENL_ADMIN_PERM
,
11148 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
11149 .doit
= nl80211_get_mesh_config
,
11150 .policy
= nl80211_policy
,
11151 /* can be retrieved by unprivileged users */
11152 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11153 NL80211_FLAG_NEED_RTNL
,
11156 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
11157 .doit
= nl80211_update_mesh_config
,
11158 .policy
= nl80211_policy
,
11159 .flags
= GENL_ADMIN_PERM
,
11160 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11161 NL80211_FLAG_NEED_RTNL
,
11164 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
11165 .doit
= nl80211_trigger_scan
,
11166 .policy
= nl80211_policy
,
11167 .flags
= GENL_ADMIN_PERM
,
11168 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11169 NL80211_FLAG_NEED_RTNL
,
11172 .cmd
= NL80211_CMD_ABORT_SCAN
,
11173 .doit
= nl80211_abort_scan
,
11174 .policy
= nl80211_policy
,
11175 .flags
= GENL_ADMIN_PERM
,
11176 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11177 NL80211_FLAG_NEED_RTNL
,
11180 .cmd
= NL80211_CMD_GET_SCAN
,
11181 .policy
= nl80211_policy
,
11182 .dumpit
= nl80211_dump_scan
,
11185 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
11186 .doit
= nl80211_start_sched_scan
,
11187 .policy
= nl80211_policy
,
11188 .flags
= GENL_ADMIN_PERM
,
11189 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11190 NL80211_FLAG_NEED_RTNL
,
11193 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
11194 .doit
= nl80211_stop_sched_scan
,
11195 .policy
= nl80211_policy
,
11196 .flags
= GENL_ADMIN_PERM
,
11197 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11198 NL80211_FLAG_NEED_RTNL
,
11201 .cmd
= NL80211_CMD_AUTHENTICATE
,
11202 .doit
= nl80211_authenticate
,
11203 .policy
= nl80211_policy
,
11204 .flags
= GENL_ADMIN_PERM
,
11205 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11206 NL80211_FLAG_NEED_RTNL
|
11207 NL80211_FLAG_CLEAR_SKB
,
11210 .cmd
= NL80211_CMD_ASSOCIATE
,
11211 .doit
= nl80211_associate
,
11212 .policy
= nl80211_policy
,
11213 .flags
= GENL_ADMIN_PERM
,
11214 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11215 NL80211_FLAG_NEED_RTNL
,
11218 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
11219 .doit
= nl80211_deauthenticate
,
11220 .policy
= nl80211_policy
,
11221 .flags
= GENL_ADMIN_PERM
,
11222 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11223 NL80211_FLAG_NEED_RTNL
,
11226 .cmd
= NL80211_CMD_DISASSOCIATE
,
11227 .doit
= nl80211_disassociate
,
11228 .policy
= nl80211_policy
,
11229 .flags
= GENL_ADMIN_PERM
,
11230 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11231 NL80211_FLAG_NEED_RTNL
,
11234 .cmd
= NL80211_CMD_JOIN_IBSS
,
11235 .doit
= nl80211_join_ibss
,
11236 .policy
= nl80211_policy
,
11237 .flags
= GENL_ADMIN_PERM
,
11238 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11239 NL80211_FLAG_NEED_RTNL
,
11242 .cmd
= NL80211_CMD_LEAVE_IBSS
,
11243 .doit
= nl80211_leave_ibss
,
11244 .policy
= nl80211_policy
,
11245 .flags
= GENL_ADMIN_PERM
,
11246 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11247 NL80211_FLAG_NEED_RTNL
,
11249 #ifdef CONFIG_NL80211_TESTMODE
11251 .cmd
= NL80211_CMD_TESTMODE
,
11252 .doit
= nl80211_testmode_do
,
11253 .dumpit
= nl80211_testmode_dump
,
11254 .policy
= nl80211_policy
,
11255 .flags
= GENL_ADMIN_PERM
,
11256 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11257 NL80211_FLAG_NEED_RTNL
,
11261 .cmd
= NL80211_CMD_CONNECT
,
11262 .doit
= nl80211_connect
,
11263 .policy
= nl80211_policy
,
11264 .flags
= GENL_ADMIN_PERM
,
11265 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11266 NL80211_FLAG_NEED_RTNL
,
11269 .cmd
= NL80211_CMD_DISCONNECT
,
11270 .doit
= nl80211_disconnect
,
11271 .policy
= nl80211_policy
,
11272 .flags
= GENL_ADMIN_PERM
,
11273 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11274 NL80211_FLAG_NEED_RTNL
,
11277 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
11278 .doit
= nl80211_wiphy_netns
,
11279 .policy
= nl80211_policy
,
11280 .flags
= GENL_ADMIN_PERM
,
11281 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11282 NL80211_FLAG_NEED_RTNL
,
11285 .cmd
= NL80211_CMD_GET_SURVEY
,
11286 .policy
= nl80211_policy
,
11287 .dumpit
= nl80211_dump_survey
,
11290 .cmd
= NL80211_CMD_SET_PMKSA
,
11291 .doit
= nl80211_setdel_pmksa
,
11292 .policy
= nl80211_policy
,
11293 .flags
= GENL_ADMIN_PERM
,
11294 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11295 NL80211_FLAG_NEED_RTNL
,
11298 .cmd
= NL80211_CMD_DEL_PMKSA
,
11299 .doit
= nl80211_setdel_pmksa
,
11300 .policy
= nl80211_policy
,
11301 .flags
= GENL_ADMIN_PERM
,
11302 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11303 NL80211_FLAG_NEED_RTNL
,
11306 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
11307 .doit
= nl80211_flush_pmksa
,
11308 .policy
= nl80211_policy
,
11309 .flags
= GENL_ADMIN_PERM
,
11310 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11311 NL80211_FLAG_NEED_RTNL
,
11314 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
11315 .doit
= nl80211_remain_on_channel
,
11316 .policy
= nl80211_policy
,
11317 .flags
= GENL_ADMIN_PERM
,
11318 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11319 NL80211_FLAG_NEED_RTNL
,
11322 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11323 .doit
= nl80211_cancel_remain_on_channel
,
11324 .policy
= nl80211_policy
,
11325 .flags
= GENL_ADMIN_PERM
,
11326 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11327 NL80211_FLAG_NEED_RTNL
,
11330 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
11331 .doit
= nl80211_set_tx_bitrate_mask
,
11332 .policy
= nl80211_policy
,
11333 .flags
= GENL_ADMIN_PERM
,
11334 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11335 NL80211_FLAG_NEED_RTNL
,
11338 .cmd
= NL80211_CMD_REGISTER_FRAME
,
11339 .doit
= nl80211_register_mgmt
,
11340 .policy
= nl80211_policy
,
11341 .flags
= GENL_ADMIN_PERM
,
11342 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11343 NL80211_FLAG_NEED_RTNL
,
11346 .cmd
= NL80211_CMD_FRAME
,
11347 .doit
= nl80211_tx_mgmt
,
11348 .policy
= nl80211_policy
,
11349 .flags
= GENL_ADMIN_PERM
,
11350 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11351 NL80211_FLAG_NEED_RTNL
,
11354 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
11355 .doit
= nl80211_tx_mgmt_cancel_wait
,
11356 .policy
= nl80211_policy
,
11357 .flags
= GENL_ADMIN_PERM
,
11358 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11359 NL80211_FLAG_NEED_RTNL
,
11362 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
11363 .doit
= nl80211_set_power_save
,
11364 .policy
= nl80211_policy
,
11365 .flags
= GENL_ADMIN_PERM
,
11366 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11367 NL80211_FLAG_NEED_RTNL
,
11370 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
11371 .doit
= nl80211_get_power_save
,
11372 .policy
= nl80211_policy
,
11373 /* can be retrieved by unprivileged users */
11374 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11375 NL80211_FLAG_NEED_RTNL
,
11378 .cmd
= NL80211_CMD_SET_CQM
,
11379 .doit
= nl80211_set_cqm
,
11380 .policy
= nl80211_policy
,
11381 .flags
= GENL_ADMIN_PERM
,
11382 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11383 NL80211_FLAG_NEED_RTNL
,
11386 .cmd
= NL80211_CMD_SET_CHANNEL
,
11387 .doit
= nl80211_set_channel
,
11388 .policy
= nl80211_policy
,
11389 .flags
= GENL_ADMIN_PERM
,
11390 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11391 NL80211_FLAG_NEED_RTNL
,
11394 .cmd
= NL80211_CMD_SET_WDS_PEER
,
11395 .doit
= nl80211_set_wds_peer
,
11396 .policy
= nl80211_policy
,
11397 .flags
= GENL_ADMIN_PERM
,
11398 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11399 NL80211_FLAG_NEED_RTNL
,
11402 .cmd
= NL80211_CMD_JOIN_MESH
,
11403 .doit
= nl80211_join_mesh
,
11404 .policy
= nl80211_policy
,
11405 .flags
= GENL_ADMIN_PERM
,
11406 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11407 NL80211_FLAG_NEED_RTNL
,
11410 .cmd
= NL80211_CMD_LEAVE_MESH
,
11411 .doit
= nl80211_leave_mesh
,
11412 .policy
= nl80211_policy
,
11413 .flags
= GENL_ADMIN_PERM
,
11414 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11415 NL80211_FLAG_NEED_RTNL
,
11418 .cmd
= NL80211_CMD_JOIN_OCB
,
11419 .doit
= nl80211_join_ocb
,
11420 .policy
= nl80211_policy
,
11421 .flags
= GENL_ADMIN_PERM
,
11422 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11423 NL80211_FLAG_NEED_RTNL
,
11426 .cmd
= NL80211_CMD_LEAVE_OCB
,
11427 .doit
= nl80211_leave_ocb
,
11428 .policy
= nl80211_policy
,
11429 .flags
= GENL_ADMIN_PERM
,
11430 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11431 NL80211_FLAG_NEED_RTNL
,
11435 .cmd
= NL80211_CMD_GET_WOWLAN
,
11436 .doit
= nl80211_get_wowlan
,
11437 .policy
= nl80211_policy
,
11438 /* can be retrieved by unprivileged users */
11439 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11440 NL80211_FLAG_NEED_RTNL
,
11443 .cmd
= NL80211_CMD_SET_WOWLAN
,
11444 .doit
= nl80211_set_wowlan
,
11445 .policy
= nl80211_policy
,
11446 .flags
= GENL_ADMIN_PERM
,
11447 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11448 NL80211_FLAG_NEED_RTNL
,
11452 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
11453 .doit
= nl80211_set_rekey_data
,
11454 .policy
= nl80211_policy
,
11455 .flags
= GENL_ADMIN_PERM
,
11456 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11457 NL80211_FLAG_NEED_RTNL
|
11458 NL80211_FLAG_CLEAR_SKB
,
11461 .cmd
= NL80211_CMD_TDLS_MGMT
,
11462 .doit
= nl80211_tdls_mgmt
,
11463 .policy
= nl80211_policy
,
11464 .flags
= GENL_ADMIN_PERM
,
11465 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11466 NL80211_FLAG_NEED_RTNL
,
11469 .cmd
= NL80211_CMD_TDLS_OPER
,
11470 .doit
= nl80211_tdls_oper
,
11471 .policy
= nl80211_policy
,
11472 .flags
= GENL_ADMIN_PERM
,
11473 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11474 NL80211_FLAG_NEED_RTNL
,
11477 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
11478 .doit
= nl80211_register_unexpected_frame
,
11479 .policy
= nl80211_policy
,
11480 .flags
= GENL_ADMIN_PERM
,
11481 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11482 NL80211_FLAG_NEED_RTNL
,
11485 .cmd
= NL80211_CMD_PROBE_CLIENT
,
11486 .doit
= nl80211_probe_client
,
11487 .policy
= nl80211_policy
,
11488 .flags
= GENL_ADMIN_PERM
,
11489 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11490 NL80211_FLAG_NEED_RTNL
,
11493 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
11494 .doit
= nl80211_register_beacons
,
11495 .policy
= nl80211_policy
,
11496 .flags
= GENL_ADMIN_PERM
,
11497 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11498 NL80211_FLAG_NEED_RTNL
,
11501 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
11502 .doit
= nl80211_set_noack_map
,
11503 .policy
= nl80211_policy
,
11504 .flags
= GENL_ADMIN_PERM
,
11505 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11506 NL80211_FLAG_NEED_RTNL
,
11509 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
11510 .doit
= nl80211_start_p2p_device
,
11511 .policy
= nl80211_policy
,
11512 .flags
= GENL_ADMIN_PERM
,
11513 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11514 NL80211_FLAG_NEED_RTNL
,
11517 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
11518 .doit
= nl80211_stop_p2p_device
,
11519 .policy
= nl80211_policy
,
11520 .flags
= GENL_ADMIN_PERM
,
11521 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11522 NL80211_FLAG_NEED_RTNL
,
11525 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
11526 .doit
= nl80211_set_mcast_rate
,
11527 .policy
= nl80211_policy
,
11528 .flags
= GENL_ADMIN_PERM
,
11529 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11530 NL80211_FLAG_NEED_RTNL
,
11533 .cmd
= NL80211_CMD_SET_MAC_ACL
,
11534 .doit
= nl80211_set_mac_acl
,
11535 .policy
= nl80211_policy
,
11536 .flags
= GENL_ADMIN_PERM
,
11537 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11538 NL80211_FLAG_NEED_RTNL
,
11541 .cmd
= NL80211_CMD_RADAR_DETECT
,
11542 .doit
= nl80211_start_radar_detection
,
11543 .policy
= nl80211_policy
,
11544 .flags
= GENL_ADMIN_PERM
,
11545 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11546 NL80211_FLAG_NEED_RTNL
,
11549 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
11550 .doit
= nl80211_get_protocol_features
,
11551 .policy
= nl80211_policy
,
11554 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
11555 .doit
= nl80211_update_ft_ies
,
11556 .policy
= nl80211_policy
,
11557 .flags
= GENL_ADMIN_PERM
,
11558 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11559 NL80211_FLAG_NEED_RTNL
,
11562 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
11563 .doit
= nl80211_crit_protocol_start
,
11564 .policy
= nl80211_policy
,
11565 .flags
= GENL_ADMIN_PERM
,
11566 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11567 NL80211_FLAG_NEED_RTNL
,
11570 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
11571 .doit
= nl80211_crit_protocol_stop
,
11572 .policy
= nl80211_policy
,
11573 .flags
= GENL_ADMIN_PERM
,
11574 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11575 NL80211_FLAG_NEED_RTNL
,
11578 .cmd
= NL80211_CMD_GET_COALESCE
,
11579 .doit
= nl80211_get_coalesce
,
11580 .policy
= nl80211_policy
,
11581 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11582 NL80211_FLAG_NEED_RTNL
,
11585 .cmd
= NL80211_CMD_SET_COALESCE
,
11586 .doit
= nl80211_set_coalesce
,
11587 .policy
= nl80211_policy
,
11588 .flags
= GENL_ADMIN_PERM
,
11589 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11590 NL80211_FLAG_NEED_RTNL
,
11593 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
11594 .doit
= nl80211_channel_switch
,
11595 .policy
= nl80211_policy
,
11596 .flags
= GENL_ADMIN_PERM
,
11597 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11598 NL80211_FLAG_NEED_RTNL
,
11601 .cmd
= NL80211_CMD_VENDOR
,
11602 .doit
= nl80211_vendor_cmd
,
11603 .dumpit
= nl80211_vendor_cmd_dump
,
11604 .policy
= nl80211_policy
,
11605 .flags
= GENL_ADMIN_PERM
,
11606 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11607 NL80211_FLAG_NEED_RTNL
,
11610 .cmd
= NL80211_CMD_SET_QOS_MAP
,
11611 .doit
= nl80211_set_qos_map
,
11612 .policy
= nl80211_policy
,
11613 .flags
= GENL_ADMIN_PERM
,
11614 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11615 NL80211_FLAG_NEED_RTNL
,
11618 .cmd
= NL80211_CMD_ADD_TX_TS
,
11619 .doit
= nl80211_add_tx_ts
,
11620 .policy
= nl80211_policy
,
11621 .flags
= GENL_ADMIN_PERM
,
11622 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11623 NL80211_FLAG_NEED_RTNL
,
11626 .cmd
= NL80211_CMD_DEL_TX_TS
,
11627 .doit
= nl80211_del_tx_ts
,
11628 .policy
= nl80211_policy
,
11629 .flags
= GENL_ADMIN_PERM
,
11630 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11631 NL80211_FLAG_NEED_RTNL
,
11634 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
11635 .doit
= nl80211_tdls_channel_switch
,
11636 .policy
= nl80211_policy
,
11637 .flags
= GENL_ADMIN_PERM
,
11638 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11639 NL80211_FLAG_NEED_RTNL
,
11642 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
11643 .doit
= nl80211_tdls_cancel_channel_switch
,
11644 .policy
= nl80211_policy
,
11645 .flags
= GENL_ADMIN_PERM
,
11646 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11647 NL80211_FLAG_NEED_RTNL
,
11651 /* notification functions */
11653 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
11654 enum nl80211_commands cmd
)
11656 struct sk_buff
*msg
;
11657 struct nl80211_dump_wiphy_state state
= {};
11659 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
11660 cmd
!= NL80211_CMD_DEL_WIPHY
);
11662 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11666 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
11671 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11672 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
11675 static int nl80211_add_scan_req(struct sk_buff
*msg
,
11676 struct cfg80211_registered_device
*rdev
)
11678 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
11679 struct nlattr
*nest
;
11685 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
11687 goto nla_put_failure
;
11688 for (i
= 0; i
< req
->n_ssids
; i
++) {
11689 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
11690 goto nla_put_failure
;
11692 nla_nest_end(msg
, nest
);
11694 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
11696 goto nla_put_failure
;
11697 for (i
= 0; i
< req
->n_channels
; i
++) {
11698 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
11699 goto nla_put_failure
;
11701 nla_nest_end(msg
, nest
);
11704 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
11705 goto nla_put_failure
;
11708 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
11709 goto nla_put_failure
;
11716 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
11717 struct cfg80211_registered_device
*rdev
,
11718 struct wireless_dev
*wdev
,
11719 u32 portid
, u32 seq
, int flags
,
11724 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11728 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11729 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11730 wdev
->netdev
->ifindex
)) ||
11731 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11733 goto nla_put_failure
;
11735 /* ignore errors and send incomplete event anyway */
11736 nl80211_add_scan_req(msg
, rdev
);
11738 genlmsg_end(msg
, hdr
);
11742 genlmsg_cancel(msg
, hdr
);
11747 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
11748 struct cfg80211_registered_device
*rdev
,
11749 struct net_device
*netdev
,
11750 u32 portid
, u32 seq
, int flags
, u32 cmd
)
11754 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11758 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11759 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11760 goto nla_put_failure
;
11762 genlmsg_end(msg
, hdr
);
11766 genlmsg_cancel(msg
, hdr
);
11770 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
11771 struct wireless_dev
*wdev
)
11773 struct sk_buff
*msg
;
11775 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11779 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11780 NL80211_CMD_TRIGGER_SCAN
) < 0) {
11785 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11786 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11789 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
11790 struct wireless_dev
*wdev
, bool aborted
)
11792 struct sk_buff
*msg
;
11794 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11798 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11799 aborted
? NL80211_CMD_SCAN_ABORTED
:
11800 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
11808 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
11809 struct sk_buff
*msg
)
11814 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11815 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11818 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
11819 struct net_device
*netdev
)
11821 struct sk_buff
*msg
;
11823 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11827 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
11828 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
11833 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11834 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11837 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
11838 struct net_device
*netdev
, u32 cmd
)
11840 struct sk_buff
*msg
;
11842 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11846 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
11851 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11852 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11855 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
11856 struct regulatory_request
*request
)
11858 /* Userspace can always count this one always being set */
11859 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
11860 goto nla_put_failure
;
11862 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
11863 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11864 NL80211_REGDOM_TYPE_WORLD
))
11865 goto nla_put_failure
;
11866 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
11867 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11868 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
11869 goto nla_put_failure
;
11870 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
11871 request
->intersect
) {
11872 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11873 NL80211_REGDOM_TYPE_INTERSECTION
))
11874 goto nla_put_failure
;
11876 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11877 NL80211_REGDOM_TYPE_COUNTRY
) ||
11878 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
11880 goto nla_put_failure
;
11883 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
11884 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
11887 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
11888 goto nla_put_failure
;
11891 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
11892 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
11893 goto nla_put_failure
;
11903 * This can happen on global regulatory changes or device specific settings
11904 * based on custom regulatory domains.
11906 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
11907 struct regulatory_request
*request
)
11909 struct sk_buff
*msg
;
11912 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11916 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
11922 if (nl80211_reg_change_event_fill(msg
, request
) == false)
11923 goto nla_put_failure
;
11925 genlmsg_end(msg
, hdr
);
11928 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11929 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11935 genlmsg_cancel(msg
, hdr
);
11939 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11940 struct net_device
*netdev
,
11941 const u8
*buf
, size_t len
,
11942 enum nl80211_commands cmd
, gfp_t gfp
,
11945 struct sk_buff
*msg
;
11948 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11952 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11958 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11959 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11960 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11961 goto nla_put_failure
;
11963 if (uapsd_queues
>= 0) {
11964 struct nlattr
*nla_wmm
=
11965 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11967 goto nla_put_failure
;
11969 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11971 goto nla_put_failure
;
11973 nla_nest_end(msg
, nla_wmm
);
11976 genlmsg_end(msg
, hdr
);
11978 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11979 NL80211_MCGRP_MLME
, gfp
);
11983 genlmsg_cancel(msg
, hdr
);
11987 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11988 struct net_device
*netdev
, const u8
*buf
,
11989 size_t len
, gfp_t gfp
)
11991 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11992 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11995 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11996 struct net_device
*netdev
, const u8
*buf
,
11997 size_t len
, gfp_t gfp
, int uapsd_queues
)
11999 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12000 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
12003 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
12004 struct net_device
*netdev
, const u8
*buf
,
12005 size_t len
, gfp_t gfp
)
12007 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12008 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
12011 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
12012 struct net_device
*netdev
, const u8
*buf
,
12013 size_t len
, gfp_t gfp
)
12015 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12016 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
12019 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
12022 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12023 struct wiphy
*wiphy
= wdev
->wiphy
;
12024 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12025 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
12028 if (WARN_ON(len
< 2))
12031 if (ieee80211_is_deauth(mgmt
->frame_control
))
12032 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
12034 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
12036 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
12037 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
12039 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
12041 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
12042 struct net_device
*netdev
, int cmd
,
12043 const u8
*addr
, gfp_t gfp
)
12045 struct sk_buff
*msg
;
12048 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12052 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12058 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12059 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12060 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
12061 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
12062 goto nla_put_failure
;
12064 genlmsg_end(msg
, hdr
);
12066 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12067 NL80211_MCGRP_MLME
, gfp
);
12071 genlmsg_cancel(msg
, hdr
);
12075 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
12076 struct net_device
*netdev
, const u8
*addr
,
12079 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
12083 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
12084 struct net_device
*netdev
, const u8
*addr
,
12087 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
12091 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
12092 struct net_device
*netdev
, const u8
*bssid
,
12093 const u8
*req_ie
, size_t req_ie_len
,
12094 const u8
*resp_ie
, size_t resp_ie_len
,
12095 u16 status
, gfp_t gfp
)
12097 struct sk_buff
*msg
;
12100 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12104 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
12110 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12111 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12112 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
12113 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
12115 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
12117 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
12118 goto nla_put_failure
;
12120 genlmsg_end(msg
, hdr
);
12122 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12123 NL80211_MCGRP_MLME
, gfp
);
12127 genlmsg_cancel(msg
, hdr
);
12132 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
12133 struct net_device
*netdev
, const u8
*bssid
,
12134 const u8
*req_ie
, size_t req_ie_len
,
12135 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
12137 struct sk_buff
*msg
;
12140 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12144 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
12150 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12151 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12152 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
12154 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
12156 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
12157 goto nla_put_failure
;
12159 genlmsg_end(msg
, hdr
);
12161 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12162 NL80211_MCGRP_MLME
, gfp
);
12166 genlmsg_cancel(msg
, hdr
);
12171 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
12172 struct net_device
*netdev
, u16 reason
,
12173 const u8
*ie
, size_t ie_len
, bool from_ap
)
12175 struct sk_buff
*msg
;
12178 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12182 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
12188 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12189 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12190 (from_ap
&& reason
&&
12191 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
12193 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
12194 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
12195 goto nla_put_failure
;
12197 genlmsg_end(msg
, hdr
);
12199 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12200 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12204 genlmsg_cancel(msg
, hdr
);
12209 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
12210 struct net_device
*netdev
, const u8
*bssid
,
12213 struct sk_buff
*msg
;
12216 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12220 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
12226 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12227 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12228 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12229 goto nla_put_failure
;
12231 genlmsg_end(msg
, hdr
);
12233 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12234 NL80211_MCGRP_MLME
, gfp
);
12238 genlmsg_cancel(msg
, hdr
);
12242 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
12243 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
12245 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12246 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12247 struct sk_buff
*msg
;
12250 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
12253 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
12255 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12259 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
12265 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12266 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12267 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12269 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
12270 goto nla_put_failure
;
12272 genlmsg_end(msg
, hdr
);
12274 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12275 NL80211_MCGRP_MLME
, gfp
);
12279 genlmsg_cancel(msg
, hdr
);
12282 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
12284 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
12285 struct net_device
*netdev
, const u8
*addr
,
12286 enum nl80211_key_type key_type
, int key_id
,
12287 const u8
*tsc
, gfp_t gfp
)
12289 struct sk_buff
*msg
;
12292 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12296 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
12302 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12303 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12304 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
12305 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
12307 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
12308 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
12309 goto nla_put_failure
;
12311 genlmsg_end(msg
, hdr
);
12313 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12314 NL80211_MCGRP_MLME
, gfp
);
12318 genlmsg_cancel(msg
, hdr
);
12322 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
12323 struct ieee80211_channel
*channel_before
,
12324 struct ieee80211_channel
*channel_after
)
12326 struct sk_buff
*msg
;
12328 struct nlattr
*nl_freq
;
12330 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
12334 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
12341 * Since we are applying the beacon hint to a wiphy we know its
12342 * wiphy_idx is valid
12344 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
12345 goto nla_put_failure
;
12348 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
12350 goto nla_put_failure
;
12351 if (nl80211_msg_put_channel(msg
, channel_before
, false))
12352 goto nla_put_failure
;
12353 nla_nest_end(msg
, nl_freq
);
12356 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
12358 goto nla_put_failure
;
12359 if (nl80211_msg_put_channel(msg
, channel_after
, false))
12360 goto nla_put_failure
;
12361 nla_nest_end(msg
, nl_freq
);
12363 genlmsg_end(msg
, hdr
);
12366 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
12367 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
12373 genlmsg_cancel(msg
, hdr
);
12377 static void nl80211_send_remain_on_chan_event(
12378 int cmd
, struct cfg80211_registered_device
*rdev
,
12379 struct wireless_dev
*wdev
, u64 cookie
,
12380 struct ieee80211_channel
*chan
,
12381 unsigned int duration
, gfp_t gfp
)
12383 struct sk_buff
*msg
;
12386 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12390 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12396 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12397 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12398 wdev
->netdev
->ifindex
)) ||
12399 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12400 NL80211_ATTR_PAD
) ||
12401 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
12402 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
12403 NL80211_CHAN_NO_HT
) ||
12404 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
12406 goto nla_put_failure
;
12408 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
12409 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
12410 goto nla_put_failure
;
12412 genlmsg_end(msg
, hdr
);
12414 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12415 NL80211_MCGRP_MLME
, gfp
);
12419 genlmsg_cancel(msg
, hdr
);
12423 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
12424 struct ieee80211_channel
*chan
,
12425 unsigned int duration
, gfp_t gfp
)
12427 struct wiphy
*wiphy
= wdev
->wiphy
;
12428 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12430 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
12431 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
12432 rdev
, wdev
, cookie
, chan
,
12435 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
12437 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
12438 struct ieee80211_channel
*chan
,
12441 struct wiphy
*wiphy
= wdev
->wiphy
;
12442 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12444 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
12445 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12446 rdev
, wdev
, cookie
, chan
, 0, gfp
);
12448 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
12450 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
12451 struct station_info
*sinfo
, gfp_t gfp
)
12453 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12454 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12455 struct sk_buff
*msg
;
12457 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
12459 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12463 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
12464 rdev
, dev
, mac_addr
, sinfo
) < 0) {
12469 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12470 NL80211_MCGRP_MLME
, gfp
);
12472 EXPORT_SYMBOL(cfg80211_new_sta
);
12474 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
12475 struct station_info
*sinfo
, gfp_t gfp
)
12477 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12478 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12479 struct sk_buff
*msg
;
12480 struct station_info empty_sinfo
= {};
12483 sinfo
= &empty_sinfo
;
12485 trace_cfg80211_del_sta(dev
, mac_addr
);
12487 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12491 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
12492 rdev
, dev
, mac_addr
, sinfo
) < 0) {
12497 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12498 NL80211_MCGRP_MLME
, gfp
);
12500 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
12502 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
12503 enum nl80211_connect_failed_reason reason
,
12506 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12507 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12508 struct sk_buff
*msg
;
12511 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
12515 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
12521 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12522 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
12523 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
12524 goto nla_put_failure
;
12526 genlmsg_end(msg
, hdr
);
12528 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12529 NL80211_MCGRP_MLME
, gfp
);
12533 genlmsg_cancel(msg
, hdr
);
12536 EXPORT_SYMBOL(cfg80211_conn_failed
);
12538 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
12539 const u8
*addr
, gfp_t gfp
)
12541 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12542 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12543 struct sk_buff
*msg
;
12545 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
12550 msg
= nlmsg_new(100, gfp
);
12554 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12560 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12561 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12562 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
12563 goto nla_put_failure
;
12565 genlmsg_end(msg
, hdr
);
12566 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12570 genlmsg_cancel(msg
, hdr
);
12575 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
12576 const u8
*addr
, gfp_t gfp
)
12578 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12581 trace_cfg80211_rx_spurious_frame(dev
, addr
);
12583 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12584 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
12585 trace_cfg80211_return_bool(false);
12588 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
12590 trace_cfg80211_return_bool(ret
);
12593 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
12595 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
12596 const u8
*addr
, gfp_t gfp
)
12598 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12601 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
12603 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12604 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
12605 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
12606 trace_cfg80211_return_bool(false);
12609 ret
= __nl80211_unexpected_frame(dev
,
12610 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
12612 trace_cfg80211_return_bool(ret
);
12615 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
12617 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
12618 struct wireless_dev
*wdev
, u32 nlportid
,
12619 int freq
, int sig_dbm
,
12620 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
12622 struct net_device
*netdev
= wdev
->netdev
;
12623 struct sk_buff
*msg
;
12626 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12630 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12636 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12637 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12638 netdev
->ifindex
)) ||
12639 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12640 NL80211_ATTR_PAD
) ||
12641 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
12643 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12644 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12646 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
12647 goto nla_put_failure
;
12649 genlmsg_end(msg
, hdr
);
12651 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12654 genlmsg_cancel(msg
, hdr
);
12659 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
12660 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
12662 struct wiphy
*wiphy
= wdev
->wiphy
;
12663 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12664 struct net_device
*netdev
= wdev
->netdev
;
12665 struct sk_buff
*msg
;
12668 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
12670 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12674 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
12680 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12681 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12682 netdev
->ifindex
)) ||
12683 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12684 NL80211_ATTR_PAD
) ||
12685 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12686 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
12687 NL80211_ATTR_PAD
) ||
12688 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12689 goto nla_put_failure
;
12691 genlmsg_end(msg
, hdr
);
12693 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12694 NL80211_MCGRP_MLME
, gfp
);
12698 genlmsg_cancel(msg
, hdr
);
12701 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
12703 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
12704 const char *mac
, gfp_t gfp
)
12706 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12707 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12708 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12714 cb
= (void **)msg
->cb
;
12716 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
12722 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12723 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
12724 goto nla_put_failure
;
12726 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
12727 goto nla_put_failure
;
12729 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
12731 goto nla_put_failure
;
12741 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
12743 void **cb
= (void **)msg
->cb
;
12744 struct cfg80211_registered_device
*rdev
= cb
[2];
12746 nla_nest_end(msg
, cb
[1]);
12747 genlmsg_end(msg
, cb
[0]);
12749 memset(msg
->cb
, 0, sizeof(msg
->cb
));
12751 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12752 NL80211_MCGRP_MLME
, gfp
);
12755 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
12756 enum nl80211_cqm_rssi_threshold_event rssi_event
,
12759 struct sk_buff
*msg
;
12761 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
12763 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
12764 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
12767 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12771 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
12773 goto nla_put_failure
;
12775 cfg80211_send_cqm(msg
, gfp
);
12782 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
12784 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
12785 const u8
*peer
, u32 num_packets
,
12786 u32 rate
, u32 intvl
, gfp_t gfp
)
12788 struct sk_buff
*msg
;
12790 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12794 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12795 goto nla_put_failure
;
12797 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12798 goto nla_put_failure
;
12800 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12801 goto nla_put_failure
;
12803 cfg80211_send_cqm(msg
, gfp
);
12809 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12811 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12812 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12814 struct sk_buff
*msg
;
12816 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12818 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12822 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12823 goto nla_put_failure
;
12825 cfg80211_send_cqm(msg
, gfp
);
12831 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12833 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
12835 struct sk_buff
*msg
;
12837 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12841 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
12842 goto nla_put_failure
;
12844 cfg80211_send_cqm(msg
, gfp
);
12850 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
12852 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
12853 struct net_device
*netdev
, const u8
*bssid
,
12854 const u8
*replay_ctr
, gfp_t gfp
)
12856 struct sk_buff
*msg
;
12857 struct nlattr
*rekey_attr
;
12860 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12864 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
12870 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12871 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12872 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12873 goto nla_put_failure
;
12875 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
12877 goto nla_put_failure
;
12879 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
12880 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
12881 goto nla_put_failure
;
12883 nla_nest_end(msg
, rekey_attr
);
12885 genlmsg_end(msg
, hdr
);
12887 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12888 NL80211_MCGRP_MLME
, gfp
);
12892 genlmsg_cancel(msg
, hdr
);
12896 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
12897 const u8
*replay_ctr
, gfp_t gfp
)
12899 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12900 struct wiphy
*wiphy
= wdev
->wiphy
;
12901 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12903 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
12904 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
12906 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
12909 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
12910 struct net_device
*netdev
, int index
,
12911 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12913 struct sk_buff
*msg
;
12914 struct nlattr
*attr
;
12917 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12921 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
12927 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12928 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12929 goto nla_put_failure
;
12931 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
12933 goto nla_put_failure
;
12935 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12936 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12938 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12939 goto nla_put_failure
;
12941 nla_nest_end(msg
, attr
);
12943 genlmsg_end(msg
, hdr
);
12945 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12946 NL80211_MCGRP_MLME
, gfp
);
12950 genlmsg_cancel(msg
, hdr
);
12954 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12955 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12957 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12958 struct wiphy
*wiphy
= wdev
->wiphy
;
12959 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12961 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12962 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12964 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12966 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12967 struct net_device
*netdev
,
12968 struct cfg80211_chan_def
*chandef
,
12970 enum nl80211_commands notif
,
12973 struct sk_buff
*msg
;
12976 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12980 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12986 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12987 goto nla_put_failure
;
12989 if (nl80211_send_chandef(msg
, chandef
))
12990 goto nla_put_failure
;
12992 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12993 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12994 goto nla_put_failure
;
12996 genlmsg_end(msg
, hdr
);
12998 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12999 NL80211_MCGRP_MLME
, gfp
);
13003 genlmsg_cancel(msg
, hdr
);
13007 void cfg80211_ch_switch_notify(struct net_device
*dev
,
13008 struct cfg80211_chan_def
*chandef
)
13010 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13011 struct wiphy
*wiphy
= wdev
->wiphy
;
13012 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13014 ASSERT_WDEV_LOCK(wdev
);
13016 trace_cfg80211_ch_switch_notify(dev
, chandef
);
13018 wdev
->chandef
= *chandef
;
13019 wdev
->preset_chandef
= *chandef
;
13020 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
13021 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
13023 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
13025 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
13026 struct cfg80211_chan_def
*chandef
,
13029 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13030 struct wiphy
*wiphy
= wdev
->wiphy
;
13031 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13033 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
13035 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
13036 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
13038 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
13041 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
13042 const struct cfg80211_chan_def
*chandef
,
13043 enum nl80211_radar_event event
,
13044 struct net_device
*netdev
, gfp_t gfp
)
13046 struct sk_buff
*msg
;
13049 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13053 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
13059 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
13060 goto nla_put_failure
;
13062 /* NOP and radar events don't need a netdev parameter */
13064 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
13066 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13067 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13069 goto nla_put_failure
;
13072 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
13073 goto nla_put_failure
;
13075 if (nl80211_send_chandef(msg
, chandef
))
13076 goto nla_put_failure
;
13078 genlmsg_end(msg
, hdr
);
13080 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13081 NL80211_MCGRP_MLME
, gfp
);
13085 genlmsg_cancel(msg
, hdr
);
13089 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
13090 u64 cookie
, bool acked
, gfp_t gfp
)
13092 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13093 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13094 struct sk_buff
*msg
;
13097 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
13099 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13104 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
13110 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13111 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13112 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
13113 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
13114 NL80211_ATTR_PAD
) ||
13115 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
13116 goto nla_put_failure
;
13118 genlmsg_end(msg
, hdr
);
13120 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13121 NL80211_MCGRP_MLME
, gfp
);
13125 genlmsg_cancel(msg
, hdr
);
13128 EXPORT_SYMBOL(cfg80211_probe_status
);
13130 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
13131 const u8
*frame
, size_t len
,
13132 int freq
, int sig_dbm
)
13134 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13135 struct sk_buff
*msg
;
13137 struct cfg80211_beacon_registration
*reg
;
13139 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
13141 spin_lock_bh(&rdev
->beacon_registrations_lock
);
13142 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
13143 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
13145 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13149 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
13151 goto nla_put_failure
;
13153 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13155 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
13157 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
13158 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
13159 goto nla_put_failure
;
13161 genlmsg_end(msg
, hdr
);
13163 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
13165 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13169 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13171 genlmsg_cancel(msg
, hdr
);
13174 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
13177 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
13178 struct cfg80211_wowlan_wakeup
*wakeup
)
13180 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
13181 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
13184 nl_results
= nla_nest_start(
13185 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
13189 for (i
= 0; i
< nd
->n_matches
; i
++) {
13190 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
13192 nl_match
= nla_nest_start(msg
, i
);
13196 /* The SSID attribute is optional in nl80211, but for
13197 * simplicity reasons it's always present in the
13198 * cfg80211 structure. If a driver can't pass the
13199 * SSID, that needs to be changed. A zero length SSID
13200 * is still a valid SSID (wildcard), so it cannot be
13201 * used for this purpose.
13203 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
13204 match
->ssid
.ssid
)) {
13205 nla_nest_cancel(msg
, nl_match
);
13209 if (match
->n_channels
) {
13210 nl_freqs
= nla_nest_start(
13211 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13213 nla_nest_cancel(msg
, nl_match
);
13217 for (j
= 0; j
< match
->n_channels
; j
++) {
13218 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
13219 nla_nest_cancel(msg
, nl_freqs
);
13220 nla_nest_cancel(msg
, nl_match
);
13225 nla_nest_end(msg
, nl_freqs
);
13228 nla_nest_end(msg
, nl_match
);
13232 nla_nest_end(msg
, nl_results
);
13236 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
13237 struct cfg80211_wowlan_wakeup
*wakeup
,
13240 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13241 struct sk_buff
*msg
;
13245 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
13248 size
+= wakeup
->packet_present_len
;
13250 msg
= nlmsg_new(size
, gfp
);
13254 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
13258 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13259 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13263 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13264 wdev
->netdev
->ifindex
))
13268 struct nlattr
*reasons
;
13270 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
13274 if (wakeup
->disconnect
&&
13275 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
13277 if (wakeup
->magic_pkt
&&
13278 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
13280 if (wakeup
->gtk_rekey_failure
&&
13281 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
13283 if (wakeup
->eap_identity_req
&&
13284 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
13286 if (wakeup
->four_way_handshake
&&
13287 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
13289 if (wakeup
->rfkill_release
&&
13290 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
13293 if (wakeup
->pattern_idx
>= 0 &&
13294 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
13295 wakeup
->pattern_idx
))
13298 if (wakeup
->tcp_match
&&
13299 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
13302 if (wakeup
->tcp_connlost
&&
13303 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
13306 if (wakeup
->tcp_nomoretokens
&&
13308 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
13311 if (wakeup
->packet
) {
13312 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
13313 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
13315 if (!wakeup
->packet_80211
) {
13317 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
13319 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
13322 if (wakeup
->packet_len
&&
13323 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
13326 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
13331 if (wakeup
->net_detect
&&
13332 cfg80211_net_detect_results(msg
, wakeup
))
13335 nla_nest_end(msg
, reasons
);
13338 genlmsg_end(msg
, hdr
);
13340 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13341 NL80211_MCGRP_MLME
, gfp
);
13347 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
13350 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
13351 enum nl80211_tdls_operation oper
,
13352 u16 reason_code
, gfp_t gfp
)
13354 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13355 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13356 struct sk_buff
*msg
;
13359 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
13362 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13366 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
13372 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13373 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13374 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
13375 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
13376 (reason_code
> 0 &&
13377 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
13378 goto nla_put_failure
;
13380 genlmsg_end(msg
, hdr
);
13382 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13383 NL80211_MCGRP_MLME
, gfp
);
13387 genlmsg_cancel(msg
, hdr
);
13390 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
13392 static int nl80211_netlink_notify(struct notifier_block
* nb
,
13393 unsigned long state
,
13396 struct netlink_notify
*notify
= _notify
;
13397 struct cfg80211_registered_device
*rdev
;
13398 struct wireless_dev
*wdev
;
13399 struct cfg80211_beacon_registration
*reg
, *tmp
;
13401 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
13402 return NOTIFY_DONE
;
13406 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
13407 bool schedule_destroy_work
= false;
13408 bool schedule_scan_stop
= false;
13409 struct cfg80211_sched_scan_request
*sched_scan_req
=
13410 rcu_dereference(rdev
->sched_scan_req
);
13412 if (sched_scan_req
&& notify
->portid
&&
13413 sched_scan_req
->owner_nlportid
== notify
->portid
)
13414 schedule_scan_stop
= true;
13416 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
13417 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
13419 if (wdev
->owner_nlportid
== notify
->portid
)
13420 schedule_destroy_work
= true;
13423 spin_lock_bh(&rdev
->beacon_registrations_lock
);
13424 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
13426 if (reg
->nlportid
== notify
->portid
) {
13427 list_del(®
->list
);
13432 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13434 if (schedule_destroy_work
) {
13435 struct cfg80211_iface_destroy
*destroy
;
13437 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
13439 destroy
->nlportid
= notify
->portid
;
13440 spin_lock(&rdev
->destroy_list_lock
);
13441 list_add(&destroy
->list
, &rdev
->destroy_list
);
13442 spin_unlock(&rdev
->destroy_list_lock
);
13443 schedule_work(&rdev
->destroy_work
);
13445 } else if (schedule_scan_stop
) {
13446 sched_scan_req
->owner_nlportid
= 0;
13448 if (rdev
->ops
->sched_scan_stop
&&
13449 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
13450 schedule_work(&rdev
->sched_scan_stop_wk
);
13457 * It is possible that the user space process that is controlling the
13458 * indoor setting disappeared, so notify the regulatory core.
13460 regulatory_netlink_notify(notify
->portid
);
13464 static struct notifier_block nl80211_netlink_notifier
= {
13465 .notifier_call
= nl80211_netlink_notify
,
13468 void cfg80211_ft_event(struct net_device
*netdev
,
13469 struct cfg80211_ft_event_params
*ft_event
)
13471 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
13472 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13473 struct sk_buff
*msg
;
13476 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
13478 if (!ft_event
->target_ap
)
13481 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13485 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
13489 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13490 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13491 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
13494 if (ft_event
->ies
&&
13495 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
13497 if (ft_event
->ric_ies
&&
13498 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
13499 ft_event
->ric_ies
))
13502 genlmsg_end(msg
, hdr
);
13504 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13505 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13510 EXPORT_SYMBOL(cfg80211_ft_event
);
13512 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
13514 struct cfg80211_registered_device
*rdev
;
13515 struct sk_buff
*msg
;
13519 rdev
= wiphy_to_rdev(wdev
->wiphy
);
13520 if (!rdev
->crit_proto_nlportid
)
13523 nlportid
= rdev
->crit_proto_nlportid
;
13524 rdev
->crit_proto_nlportid
= 0;
13526 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13530 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
13532 goto nla_put_failure
;
13534 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13535 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13537 goto nla_put_failure
;
13539 genlmsg_end(msg
, hdr
);
13541 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
13546 genlmsg_cancel(msg
, hdr
);
13550 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
13552 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
13554 struct wiphy
*wiphy
= wdev
->wiphy
;
13555 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13556 struct sk_buff
*msg
;
13559 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13563 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
13567 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13568 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
13569 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13573 genlmsg_end(msg
, hdr
);
13575 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
13576 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13582 /* initialisation/exit functions */
13584 int nl80211_init(void)
13588 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
13593 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
13599 genl_unregister_family(&nl80211_fam
);
13603 void nl80211_exit(void)
13605 netlink_unregister_notifier(&nl80211_netlink_notifier
);
13606 genl_unregister_family(&nl80211_fam
);