2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
22 #include <net/inet_connection_sock.h>
28 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
29 struct genl_info
*info
,
30 struct cfg80211_crypto_settings
*settings
,
33 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
34 struct genl_info
*info
);
35 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
36 struct genl_info
*info
);
38 /* the netlink family */
39 static struct genl_family nl80211_fam
= {
40 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
41 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
42 .hdrsize
= 0, /* no private header */
43 .version
= 1, /* no particular meaning now */
44 .maxattr
= NL80211_ATTR_MAX
,
46 .pre_doit
= nl80211_pre_doit
,
47 .post_doit
= nl80211_post_doit
,
50 /* multicast groups */
51 enum nl80211_multicast_groups
{
54 NL80211_MCGRP_REGULATORY
,
57 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
60 static const struct genl_multicast_group nl80211_mcgrps
[] = {
61 [NL80211_MCGRP_CONFIG
] = { .name
= "config", },
62 [NL80211_MCGRP_SCAN
] = { .name
= "scan", },
63 [NL80211_MCGRP_REGULATORY
] = { .name
= "regulatory", },
64 [NL80211_MCGRP_MLME
] = { .name
= "mlme", },
65 [NL80211_MCGRP_VENDOR
] = { .name
= "vendor", },
66 #ifdef CONFIG_NL80211_TESTMODE
67 [NL80211_MCGRP_TESTMODE
] = { .name
= "testmode", }
71 /* returns ERR_PTR values */
72 static struct wireless_dev
*
73 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
75 struct cfg80211_registered_device
*rdev
;
76 struct wireless_dev
*result
= NULL
;
77 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
78 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
85 if (!have_ifidx
&& !have_wdev_id
)
86 return ERR_PTR(-EINVAL
);
89 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
91 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
92 wiphy_idx
= wdev_id
>> 32;
95 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
96 struct wireless_dev
*wdev
;
98 if (wiphy_net(&rdev
->wiphy
) != netns
)
101 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
104 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
105 if (have_ifidx
&& wdev
->netdev
&&
106 wdev
->netdev
->ifindex
== ifidx
) {
110 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
122 return ERR_PTR(-ENODEV
);
125 static struct cfg80211_registered_device
*
126 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
128 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
129 struct net_device
*netdev
;
133 if (!attrs
[NL80211_ATTR_WIPHY
] &&
134 !attrs
[NL80211_ATTR_IFINDEX
] &&
135 !attrs
[NL80211_ATTR_WDEV
])
136 return ERR_PTR(-EINVAL
);
138 if (attrs
[NL80211_ATTR_WIPHY
])
139 rdev
= cfg80211_rdev_by_wiphy_idx(
140 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
142 if (attrs
[NL80211_ATTR_WDEV
]) {
143 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
144 struct wireless_dev
*wdev
;
147 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
149 /* make sure wdev exists */
150 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
151 if (wdev
->identifier
!= (u32
)wdev_id
)
160 if (rdev
&& tmp
!= rdev
)
161 return ERR_PTR(-EINVAL
);
166 if (attrs
[NL80211_ATTR_IFINDEX
]) {
167 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
168 netdev
= __dev_get_by_index(netns
, ifindex
);
170 if (netdev
->ieee80211_ptr
)
172 netdev
->ieee80211_ptr
->wiphy
);
176 /* not wireless device -- return error */
178 return ERR_PTR(-EINVAL
);
180 /* mismatch -- return error */
181 if (rdev
&& tmp
!= rdev
)
182 return ERR_PTR(-EINVAL
);
189 return ERR_PTR(-ENODEV
);
191 if (netns
!= wiphy_net(&rdev
->wiphy
))
192 return ERR_PTR(-ENODEV
);
198 * This function returns a pointer to the driver
199 * that the genl_info item that is passed refers to.
201 * The result of this can be a PTR_ERR and hence must
202 * be checked with IS_ERR() for errors.
204 static struct cfg80211_registered_device
*
205 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
207 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
210 /* policy for the attributes */
211 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
212 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
213 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
215 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
217 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
218 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
219 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
220 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
224 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
225 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
226 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
227 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
229 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
230 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
231 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
233 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
234 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
236 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
237 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
238 .len
= WLAN_MAX_KEY_LEN
},
239 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
240 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
241 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
242 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
243 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
245 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
246 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
247 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
248 .len
= IEEE80211_MAX_DATA_LEN
},
249 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
250 .len
= IEEE80211_MAX_DATA_LEN
},
251 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
252 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
253 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
254 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
255 .len
= NL80211_MAX_SUPP_RATES
},
256 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
257 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
258 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
259 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
260 .len
= IEEE80211_MAX_MESH_ID_LEN
},
261 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
263 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
264 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
266 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
267 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
268 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
269 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
270 .len
= NL80211_MAX_SUPP_RATES
},
271 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
273 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
274 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
276 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
278 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
279 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
280 .len
= IEEE80211_MAX_DATA_LEN
},
281 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
282 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
284 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
285 .len
= IEEE80211_MAX_SSID_LEN
},
286 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
287 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
288 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
289 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
290 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
291 [NL80211_ATTR_STA_FLAGS2
] = {
292 .len
= sizeof(struct nl80211_sta_flag_update
),
294 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
295 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
296 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
297 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
298 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
299 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
300 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
301 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
302 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
303 .len
= WLAN_PMKID_LEN
},
304 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
305 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
306 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
307 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
308 .len
= IEEE80211_MAX_DATA_LEN
},
309 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
310 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
311 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
312 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
313 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
314 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
315 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
316 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
317 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
318 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
319 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
321 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
322 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
323 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
324 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
325 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
326 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
327 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
328 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
329 .len
= IEEE80211_MAX_DATA_LEN
},
330 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
331 .len
= IEEE80211_MAX_DATA_LEN
},
332 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
333 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
334 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
335 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
336 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
337 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
338 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
339 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
340 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
341 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
342 .len
= IEEE80211_MAX_DATA_LEN
},
343 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
344 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
345 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
346 .len
= NL80211_HT_CAPABILITY_LEN
348 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
349 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
350 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
351 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
352 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
353 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
354 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
355 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
356 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
357 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
358 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
359 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
360 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
361 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
362 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
363 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
364 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
365 .len
= NL80211_VHT_CAPABILITY_LEN
,
367 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
368 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
369 .len
= IEEE80211_MAX_DATA_LEN
},
370 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
371 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
372 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
373 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
374 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_U16
},
375 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_U16
},
376 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
377 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
378 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
379 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
380 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
381 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
382 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
383 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
384 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
387 /* policy for the key attributes */
388 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
389 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
390 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
391 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
392 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
393 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
394 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
395 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
396 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
399 /* policy for the key default flags */
400 static const struct nla_policy
401 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
402 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
403 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
406 /* policy for WoWLAN attributes */
407 static const struct nla_policy
408 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
409 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
410 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
411 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
412 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
413 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
414 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
415 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
416 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
417 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
420 static const struct nla_policy
421 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
422 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
423 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
424 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
425 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
426 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
427 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
428 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
429 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
431 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
432 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
434 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
435 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
436 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
439 /* policy for coalesce rule attributes */
440 static const struct nla_policy
441 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
442 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
443 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
444 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
447 /* policy for GTK rekey offload attributes */
448 static const struct nla_policy
449 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
450 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
451 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
452 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
455 static const struct nla_policy
456 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
457 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
458 .len
= IEEE80211_MAX_SSID_LEN
},
459 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
462 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
463 struct netlink_callback
*cb
,
464 struct cfg80211_registered_device
**rdev
,
465 struct wireless_dev
**wdev
)
472 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
473 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
478 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
479 nl80211_fam
.attrbuf
);
481 err
= PTR_ERR(*wdev
);
484 *rdev
= wiphy_to_dev((*wdev
)->wiphy
);
485 /* 0 is the first index - add 1 to parse only once */
486 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
487 cb
->args
[1] = (*wdev
)->identifier
;
489 /* subtract the 1 again here */
490 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
491 struct wireless_dev
*tmp
;
497 *rdev
= wiphy_to_dev(wiphy
);
500 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
501 if (tmp
->identifier
== cb
->args
[1]) {
519 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
525 static bool is_valid_ie_attr(const struct nlattr
*attr
)
533 pos
= nla_data(attr
);
554 /* message building helper */
555 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
558 /* since there is no private header just add the generic one */
559 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
562 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
563 struct ieee80211_channel
*chan
,
566 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
568 goto nla_put_failure
;
570 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
571 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
572 goto nla_put_failure
;
573 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
574 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
575 goto nla_put_failure
;
576 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
577 goto nla_put_failure
;
579 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
580 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
581 goto nla_put_failure
;
585 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
587 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
589 goto nla_put_failure
;
590 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
592 goto nla_put_failure
;
597 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
598 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
599 goto nla_put_failure
;
600 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
601 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
602 goto nla_put_failure
;
603 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
604 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
605 goto nla_put_failure
;
606 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
607 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
608 goto nla_put_failure
;
611 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
612 DBM_TO_MBM(chan
->max_power
)))
613 goto nla_put_failure
;
621 /* netlink command implementations */
628 bool def_uni
, def_multi
;
631 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
633 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
634 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
639 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
640 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
649 if (tb
[NL80211_KEY_IDX
])
650 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
652 if (tb
[NL80211_KEY_DATA
]) {
653 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
654 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
657 if (tb
[NL80211_KEY_SEQ
]) {
658 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
659 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
662 if (tb
[NL80211_KEY_CIPHER
])
663 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
665 if (tb
[NL80211_KEY_TYPE
]) {
666 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
667 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
671 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
672 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
673 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
674 tb
[NL80211_KEY_DEFAULT_TYPES
],
675 nl80211_key_default_policy
);
679 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
680 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
686 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
688 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
689 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
690 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
693 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
694 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
695 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
698 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
699 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
701 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
702 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
704 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
705 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
714 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
715 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
716 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
720 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
721 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
722 int err
= nla_parse_nested(
723 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
724 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
725 nl80211_key_default_policy
);
729 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
730 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
736 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
740 memset(k
, 0, sizeof(*k
));
744 if (info
->attrs
[NL80211_ATTR_KEY
])
745 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
747 err
= nl80211_parse_key_old(info
, k
);
752 if (k
->def
&& k
->defmgmt
)
756 if (k
->def_uni
|| !k
->def_multi
)
762 if (k
->idx
< 4 || k
->idx
> 5)
765 if (k
->idx
< 0 || k
->idx
> 3)
768 if (k
->idx
< 0 || k
->idx
> 5)
776 static struct cfg80211_cached_keys
*
777 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
778 struct nlattr
*keys
, bool *no_ht
)
780 struct key_parse parse
;
782 struct cfg80211_cached_keys
*result
;
783 int rem
, err
, def
= 0;
785 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
787 return ERR_PTR(-ENOMEM
);
790 result
->defmgmt
= -1;
792 nla_for_each_nested(key
, keys
, rem
) {
793 memset(&parse
, 0, sizeof(parse
));
796 err
= nl80211_parse_key_new(key
, &parse
);
802 if (parse
.idx
< 0 || parse
.idx
> 4)
808 result
->def
= parse
.idx
;
809 if (!parse
.def_uni
|| !parse
.def_multi
)
811 } else if (parse
.defmgmt
)
813 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
814 parse
.idx
, false, NULL
);
817 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
818 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
819 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
820 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
822 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
823 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
835 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
837 ASSERT_WDEV_LOCK(wdev
);
839 switch (wdev
->iftype
) {
840 case NL80211_IFTYPE_AP
:
841 case NL80211_IFTYPE_AP_VLAN
:
842 case NL80211_IFTYPE_P2P_GO
:
843 case NL80211_IFTYPE_MESH_POINT
:
845 case NL80211_IFTYPE_ADHOC
:
846 case NL80211_IFTYPE_STATION
:
847 case NL80211_IFTYPE_P2P_CLIENT
:
848 if (!wdev
->current_bss
)
858 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
860 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
864 goto nla_put_failure
;
868 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
869 goto nla_put_failure
;
874 nla_nest_end(msg
, nl_modes
);
881 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
885 struct nlattr
*nl_combis
;
888 nl_combis
= nla_nest_start(msg
,
889 NL80211_ATTR_INTERFACE_COMBINATIONS
);
891 goto nla_put_failure
;
893 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
894 const struct ieee80211_iface_combination
*c
;
895 struct nlattr
*nl_combi
, *nl_limits
;
897 c
= &wiphy
->iface_combinations
[i
];
899 nl_combi
= nla_nest_start(msg
, i
+ 1);
901 goto nla_put_failure
;
903 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
905 goto nla_put_failure
;
907 for (j
= 0; j
< c
->n_limits
; j
++) {
908 struct nlattr
*nl_limit
;
910 nl_limit
= nla_nest_start(msg
, j
+ 1);
912 goto nla_put_failure
;
913 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
915 goto nla_put_failure
;
916 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
918 goto nla_put_failure
;
919 nla_nest_end(msg
, nl_limit
);
922 nla_nest_end(msg
, nl_limits
);
924 if (c
->beacon_int_infra_match
&&
925 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
926 goto nla_put_failure
;
927 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
928 c
->num_different_channels
) ||
929 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
931 goto nla_put_failure
;
933 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
934 c
->radar_detect_widths
))
935 goto nla_put_failure
;
937 nla_nest_end(msg
, nl_combi
);
940 nla_nest_end(msg
, nl_combis
);
948 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
951 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
952 struct nlattr
*nl_tcp
;
957 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
961 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
962 tcp
->data_payload_max
))
965 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
966 tcp
->data_payload_max
))
969 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
972 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
973 sizeof(*tcp
->tok
), tcp
->tok
))
976 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
977 tcp
->data_interval_max
))
980 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
981 tcp
->wake_payload_max
))
984 nla_nest_end(msg
, nl_tcp
);
988 static int nl80211_send_wowlan(struct sk_buff
*msg
,
989 struct cfg80211_registered_device
*dev
,
992 struct nlattr
*nl_wowlan
;
994 if (!dev
->wiphy
.wowlan
)
997 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1001 if (((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1002 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1003 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1004 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1005 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1006 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1007 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1008 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1009 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1010 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1011 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1012 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1013 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1014 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1015 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1016 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1019 if (dev
->wiphy
.wowlan
->n_patterns
) {
1020 struct nl80211_pattern_support pat
= {
1021 .max_patterns
= dev
->wiphy
.wowlan
->n_patterns
,
1022 .min_pattern_len
= dev
->wiphy
.wowlan
->pattern_min_len
,
1023 .max_pattern_len
= dev
->wiphy
.wowlan
->pattern_max_len
,
1024 .max_pkt_offset
= dev
->wiphy
.wowlan
->max_pkt_offset
,
1027 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1032 if (large
&& nl80211_send_wowlan_tcp_caps(dev
, msg
))
1035 nla_nest_end(msg
, nl_wowlan
);
1041 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1042 struct cfg80211_registered_device
*dev
)
1044 struct nl80211_coalesce_rule_support rule
;
1046 if (!dev
->wiphy
.coalesce
)
1049 rule
.max_rules
= dev
->wiphy
.coalesce
->n_rules
;
1050 rule
.max_delay
= dev
->wiphy
.coalesce
->max_delay
;
1051 rule
.pat
.max_patterns
= dev
->wiphy
.coalesce
->n_patterns
;
1052 rule
.pat
.min_pattern_len
= dev
->wiphy
.coalesce
->pattern_min_len
;
1053 rule
.pat
.max_pattern_len
= dev
->wiphy
.coalesce
->pattern_max_len
;
1054 rule
.pat
.max_pkt_offset
= dev
->wiphy
.coalesce
->max_pkt_offset
;
1056 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1062 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1063 struct ieee80211_supported_band
*sband
)
1065 struct nlattr
*nl_rates
, *nl_rate
;
1066 struct ieee80211_rate
*rate
;
1070 if (sband
->ht_cap
.ht_supported
&&
1071 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1072 sizeof(sband
->ht_cap
.mcs
),
1073 &sband
->ht_cap
.mcs
) ||
1074 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1075 sband
->ht_cap
.cap
) ||
1076 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1077 sband
->ht_cap
.ampdu_factor
) ||
1078 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1079 sband
->ht_cap
.ampdu_density
)))
1083 if (sband
->vht_cap
.vht_supported
&&
1084 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1085 sizeof(sband
->vht_cap
.vht_mcs
),
1086 &sband
->vht_cap
.vht_mcs
) ||
1087 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1088 sband
->vht_cap
.cap
)))
1092 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1096 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1097 nl_rate
= nla_nest_start(msg
, i
);
1101 rate
= &sband
->bitrates
[i
];
1102 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1105 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1107 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1110 nla_nest_end(msg
, nl_rate
);
1113 nla_nest_end(msg
, nl_rates
);
1119 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1120 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1123 struct nlattr
*nl_ftypes
, *nl_ifs
;
1124 enum nl80211_iftype ift
;
1130 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1134 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1135 nl_ftypes
= nla_nest_start(msg
, ift
);
1139 stypes
= mgmt_stypes
[ift
].tx
;
1142 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1143 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1148 nla_nest_end(msg
, nl_ftypes
);
1151 nla_nest_end(msg
, nl_ifs
);
1153 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1157 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1158 nl_ftypes
= nla_nest_start(msg
, ift
);
1162 stypes
= mgmt_stypes
[ift
].rx
;
1165 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1166 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1171 nla_nest_end(msg
, nl_ftypes
);
1173 nla_nest_end(msg
, nl_ifs
);
1178 struct nl80211_dump_wiphy_state
{
1181 long split_start
, band_start
, chan_start
;
1185 static int nl80211_send_wiphy(struct cfg80211_registered_device
*dev
,
1186 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1187 int flags
, struct nl80211_dump_wiphy_state
*state
)
1190 struct nlattr
*nl_bands
, *nl_band
;
1191 struct nlattr
*nl_freqs
, *nl_freq
;
1192 struct nlattr
*nl_cmds
;
1193 enum ieee80211_band band
;
1194 struct ieee80211_channel
*chan
;
1196 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1197 dev
->wiphy
.mgmt_stypes
;
1200 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
1204 if (WARN_ON(!state
))
1207 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
1208 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1209 wiphy_name(&dev
->wiphy
)) ||
1210 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1211 cfg80211_rdev_list_generation
))
1212 goto nla_put_failure
;
1214 switch (state
->split_start
) {
1216 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1217 dev
->wiphy
.retry_short
) ||
1218 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1219 dev
->wiphy
.retry_long
) ||
1220 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1221 dev
->wiphy
.frag_threshold
) ||
1222 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1223 dev
->wiphy
.rts_threshold
) ||
1224 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1225 dev
->wiphy
.coverage_class
) ||
1226 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1227 dev
->wiphy
.max_scan_ssids
) ||
1228 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1229 dev
->wiphy
.max_sched_scan_ssids
) ||
1230 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1231 dev
->wiphy
.max_scan_ie_len
) ||
1232 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1233 dev
->wiphy
.max_sched_scan_ie_len
) ||
1234 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1235 dev
->wiphy
.max_match_sets
))
1236 goto nla_put_failure
;
1238 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1239 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1240 goto nla_put_failure
;
1241 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1242 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1243 goto nla_put_failure
;
1244 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1245 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1246 goto nla_put_failure
;
1247 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1248 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1249 goto nla_put_failure
;
1250 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1251 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1252 goto nla_put_failure
;
1253 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1254 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1255 goto nla_put_failure
;
1256 state
->split_start
++;
1260 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1261 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
1262 dev
->wiphy
.cipher_suites
))
1263 goto nla_put_failure
;
1265 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1266 dev
->wiphy
.max_num_pmkids
))
1267 goto nla_put_failure
;
1269 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1270 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1271 goto nla_put_failure
;
1273 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1274 dev
->wiphy
.available_antennas_tx
) ||
1275 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1276 dev
->wiphy
.available_antennas_rx
))
1277 goto nla_put_failure
;
1279 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1280 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1281 dev
->wiphy
.probe_resp_offload
))
1282 goto nla_put_failure
;
1284 if ((dev
->wiphy
.available_antennas_tx
||
1285 dev
->wiphy
.available_antennas_rx
) &&
1286 dev
->ops
->get_antenna
) {
1287 u32 tx_ant
= 0, rx_ant
= 0;
1289 res
= rdev_get_antenna(dev
, &tx_ant
, &rx_ant
);
1291 if (nla_put_u32(msg
,
1292 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1295 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1297 goto nla_put_failure
;
1301 state
->split_start
++;
1305 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1306 dev
->wiphy
.interface_modes
))
1307 goto nla_put_failure
;
1308 state
->split_start
++;
1312 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1314 goto nla_put_failure
;
1316 for (band
= state
->band_start
;
1317 band
< IEEE80211_NUM_BANDS
; band
++) {
1318 struct ieee80211_supported_band
*sband
;
1320 sband
= dev
->wiphy
.bands
[band
];
1325 nl_band
= nla_nest_start(msg
, band
);
1327 goto nla_put_failure
;
1329 switch (state
->chan_start
) {
1331 if (nl80211_send_band_rateinfo(msg
, sband
))
1332 goto nla_put_failure
;
1333 state
->chan_start
++;
1337 /* add frequencies */
1338 nl_freqs
= nla_nest_start(
1339 msg
, NL80211_BAND_ATTR_FREQS
);
1341 goto nla_put_failure
;
1343 for (i
= state
->chan_start
- 1;
1344 i
< sband
->n_channels
;
1346 nl_freq
= nla_nest_start(msg
, i
);
1348 goto nla_put_failure
;
1350 chan
= &sband
->channels
[i
];
1352 if (nl80211_msg_put_channel(
1355 goto nla_put_failure
;
1357 nla_nest_end(msg
, nl_freq
);
1361 if (i
< sband
->n_channels
)
1362 state
->chan_start
= i
+ 2;
1364 state
->chan_start
= 0;
1365 nla_nest_end(msg
, nl_freqs
);
1368 nla_nest_end(msg
, nl_band
);
1371 /* start again here */
1372 if (state
->chan_start
)
1377 nla_nest_end(msg
, nl_bands
);
1379 if (band
< IEEE80211_NUM_BANDS
)
1380 state
->band_start
= band
+ 1;
1382 state
->band_start
= 0;
1384 /* if bands & channels are done, continue outside */
1385 if (state
->band_start
== 0 && state
->chan_start
== 0)
1386 state
->split_start
++;
1390 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1392 goto nla_put_failure
;
1395 #define CMD(op, n) \
1397 if (dev->ops->op) { \
1399 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1400 goto nla_put_failure; \
1404 CMD(add_virtual_intf
, NEW_INTERFACE
);
1405 CMD(change_virtual_intf
, SET_INTERFACE
);
1406 CMD(add_key
, NEW_KEY
);
1407 CMD(start_ap
, START_AP
);
1408 CMD(add_station
, NEW_STATION
);
1409 CMD(add_mpath
, NEW_MPATH
);
1410 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1411 CMD(change_bss
, SET_BSS
);
1412 CMD(auth
, AUTHENTICATE
);
1413 CMD(assoc
, ASSOCIATE
);
1414 CMD(deauth
, DEAUTHENTICATE
);
1415 CMD(disassoc
, DISASSOCIATE
);
1416 CMD(join_ibss
, JOIN_IBSS
);
1417 CMD(join_mesh
, JOIN_MESH
);
1418 CMD(set_pmksa
, SET_PMKSA
);
1419 CMD(del_pmksa
, DEL_PMKSA
);
1420 CMD(flush_pmksa
, FLUSH_PMKSA
);
1421 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1422 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1423 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1424 CMD(mgmt_tx
, FRAME
);
1425 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1426 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1428 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1429 goto nla_put_failure
;
1431 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1432 dev
->ops
->join_mesh
) {
1434 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1435 goto nla_put_failure
;
1437 CMD(set_wds_peer
, SET_WDS_PEER
);
1438 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1439 CMD(tdls_mgmt
, TDLS_MGMT
);
1440 CMD(tdls_oper
, TDLS_OPER
);
1442 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1443 CMD(sched_scan_start
, START_SCHED_SCAN
);
1444 CMD(probe_client
, PROBE_CLIENT
);
1445 CMD(set_noack_map
, SET_NOACK_MAP
);
1446 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1448 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1449 goto nla_put_failure
;
1451 CMD(start_p2p_device
, START_P2P_DEVICE
);
1452 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1454 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1455 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1456 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1457 CMD(channel_switch
, CHANNEL_SWITCH
);
1459 CMD(set_qos_map
, SET_QOS_MAP
);
1461 #ifdef CONFIG_NL80211_TESTMODE
1462 CMD(testmode_cmd
, TESTMODE
);
1467 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1469 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1470 goto nla_put_failure
;
1473 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1475 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1476 goto nla_put_failure
;
1479 nla_nest_end(msg
, nl_cmds
);
1480 state
->split_start
++;
1484 if (dev
->ops
->remain_on_channel
&&
1485 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1487 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1488 dev
->wiphy
.max_remain_on_channel_duration
))
1489 goto nla_put_failure
;
1491 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1492 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1493 goto nla_put_failure
;
1495 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1496 goto nla_put_failure
;
1497 state
->split_start
++;
1502 if (nl80211_send_wowlan(msg
, dev
, state
->split
))
1503 goto nla_put_failure
;
1504 state
->split_start
++;
1508 state
->split_start
++;
1511 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1512 dev
->wiphy
.software_iftypes
))
1513 goto nla_put_failure
;
1515 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
,
1517 goto nla_put_failure
;
1519 state
->split_start
++;
1523 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1524 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1525 dev
->wiphy
.ap_sme_capa
))
1526 goto nla_put_failure
;
1528 features
= dev
->wiphy
.features
;
1530 * We can only add the per-channel limit information if the
1531 * dump is split, otherwise it makes it too big. Therefore
1532 * only advertise it in that case.
1535 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1536 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1537 goto nla_put_failure
;
1539 if (dev
->wiphy
.ht_capa_mod_mask
&&
1540 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1541 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1542 dev
->wiphy
.ht_capa_mod_mask
))
1543 goto nla_put_failure
;
1545 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1546 dev
->wiphy
.max_acl_mac_addrs
&&
1547 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1548 dev
->wiphy
.max_acl_mac_addrs
))
1549 goto nla_put_failure
;
1552 * Any information below this point is only available to
1553 * applications that can deal with it being split. This
1554 * helps ensure that newly added capabilities don't break
1555 * older tools by overrunning their buffers.
1557 * We still increment split_start so that in the split
1558 * case we'll continue with more data in the next round,
1559 * but break unconditionally so unsplit data stops here.
1561 state
->split_start
++;
1564 if (dev
->wiphy
.extended_capabilities
&&
1565 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1566 dev
->wiphy
.extended_capabilities_len
,
1567 dev
->wiphy
.extended_capabilities
) ||
1568 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1569 dev
->wiphy
.extended_capabilities_len
,
1570 dev
->wiphy
.extended_capabilities_mask
)))
1571 goto nla_put_failure
;
1573 if (dev
->wiphy
.vht_capa_mod_mask
&&
1574 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1575 sizeof(*dev
->wiphy
.vht_capa_mod_mask
),
1576 dev
->wiphy
.vht_capa_mod_mask
))
1577 goto nla_put_failure
;
1579 state
->split_start
++;
1582 if (nl80211_send_coalesce(msg
, dev
))
1583 goto nla_put_failure
;
1585 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1586 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1587 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1588 goto nla_put_failure
;
1589 state
->split_start
++;
1592 if (dev
->wiphy
.n_vendor_commands
) {
1593 const struct nl80211_vendor_cmd_info
*info
;
1594 struct nlattr
*nested
;
1596 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1598 goto nla_put_failure
;
1600 for (i
= 0; i
< dev
->wiphy
.n_vendor_commands
; i
++) {
1601 info
= &dev
->wiphy
.vendor_commands
[i
].info
;
1602 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1603 goto nla_put_failure
;
1605 nla_nest_end(msg
, nested
);
1608 if (dev
->wiphy
.n_vendor_events
) {
1609 const struct nl80211_vendor_cmd_info
*info
;
1610 struct nlattr
*nested
;
1612 nested
= nla_nest_start(msg
,
1613 NL80211_ATTR_VENDOR_EVENTS
);
1615 goto nla_put_failure
;
1617 for (i
= 0; i
< dev
->wiphy
.n_vendor_events
; i
++) {
1618 info
= &dev
->wiphy
.vendor_events
[i
];
1619 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1620 goto nla_put_failure
;
1622 nla_nest_end(msg
, nested
);
1626 state
->split_start
= 0;
1629 return genlmsg_end(msg
, hdr
);
1632 genlmsg_cancel(msg
, hdr
);
1636 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1637 struct netlink_callback
*cb
,
1638 struct nl80211_dump_wiphy_state
*state
)
1640 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1641 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1642 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1643 /* ignore parse errors for backward compatibility */
1647 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1648 if (tb
[NL80211_ATTR_WIPHY
])
1649 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1650 if (tb
[NL80211_ATTR_WDEV
])
1651 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1652 if (tb
[NL80211_ATTR_IFINDEX
]) {
1653 struct net_device
*netdev
;
1654 struct cfg80211_registered_device
*rdev
;
1655 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1657 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1660 if (netdev
->ieee80211_ptr
) {
1661 rdev
= wiphy_to_dev(
1662 netdev
->ieee80211_ptr
->wiphy
);
1663 state
->filter_wiphy
= rdev
->wiphy_idx
;
1670 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1673 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1674 struct cfg80211_registered_device
*dev
;
1678 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1683 state
->filter_wiphy
= -1;
1684 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1690 cb
->args
[0] = (long)state
;
1693 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1694 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1696 if (++idx
<= state
->start
)
1698 if (state
->filter_wiphy
!= -1 &&
1699 state
->filter_wiphy
!= dev
->wiphy_idx
)
1701 /* attempt to fit multiple wiphy data chunks into the skb */
1703 ret
= nl80211_send_wiphy(dev
, skb
,
1704 NETLINK_CB(cb
->skb
).portid
,
1706 NLM_F_MULTI
, state
);
1709 * If sending the wiphy data didn't fit (ENOBUFS
1710 * or EMSGSIZE returned), this SKB is still
1711 * empty (so it's not too big because another
1712 * wiphy dataset is already in the skb) and
1713 * we've not tried to adjust the dump allocation
1714 * yet ... then adjust the alloc size to be
1715 * bigger, and return 1 but with the empty skb.
1716 * This results in an empty message being RX'ed
1717 * in userspace, but that is ignored.
1719 * We can then retry with the larger buffer.
1721 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1722 !skb
->len
&& !state
->split
&&
1723 cb
->min_dump_alloc
< 4096) {
1724 cb
->min_dump_alloc
= 4096;
1725 state
->split_start
= 0;
1732 } while (state
->split_start
> 0);
1742 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1744 kfree((void *)cb
->args
[0]);
1748 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1750 struct sk_buff
*msg
;
1751 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1752 struct nl80211_dump_wiphy_state state
= {};
1754 msg
= nlmsg_new(4096, GFP_KERNEL
);
1758 if (nl80211_send_wiphy(dev
, msg
, info
->snd_portid
, info
->snd_seq
, 0,
1764 return genlmsg_reply(msg
, info
);
1767 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1768 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1769 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1770 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1771 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1772 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1775 static int parse_txq_params(struct nlattr
*tb
[],
1776 struct ieee80211_txq_params
*txq_params
)
1778 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1779 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1780 !tb
[NL80211_TXQ_ATTR_AIFS
])
1783 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1784 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1785 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1786 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1787 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1789 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1795 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1798 * You can only set the channel explicitly for WDS interfaces,
1799 * all others have their channel managed via their respective
1800 * "establish a connection" command (connect, join, ...)
1802 * For AP/GO and mesh mode, the channel can be set with the
1803 * channel userspace API, but is only stored and passed to the
1804 * low-level driver when the AP starts or the mesh is joined.
1805 * This is for backward compatibility, userspace can also give
1806 * the channel in the start-ap or join-mesh commands instead.
1808 * Monitors are special as they are normally slaved to
1809 * whatever else is going on, so they have their own special
1810 * operation to set the monitor channel if possible.
1813 wdev
->iftype
== NL80211_IFTYPE_AP
||
1814 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1815 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1816 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1819 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1820 struct genl_info
*info
,
1821 struct cfg80211_chan_def
*chandef
)
1825 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1828 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1830 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1831 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1832 chandef
->center_freq1
= control_freq
;
1833 chandef
->center_freq2
= 0;
1835 /* Primary channel not allowed */
1836 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1839 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1840 enum nl80211_channel_type chantype
;
1842 chantype
= nla_get_u32(
1843 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1846 case NL80211_CHAN_NO_HT
:
1847 case NL80211_CHAN_HT20
:
1848 case NL80211_CHAN_HT40PLUS
:
1849 case NL80211_CHAN_HT40MINUS
:
1850 cfg80211_chandef_create(chandef
, chandef
->chan
,
1856 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1858 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1859 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1860 chandef
->center_freq1
=
1862 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1863 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1864 chandef
->center_freq2
=
1866 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1869 if (!cfg80211_chandef_valid(chandef
))
1872 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1873 IEEE80211_CHAN_DISABLED
))
1876 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1877 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1878 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1884 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1885 struct wireless_dev
*wdev
,
1886 struct genl_info
*info
)
1888 struct cfg80211_chan_def chandef
;
1890 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1893 iftype
= wdev
->iftype
;
1895 if (!nl80211_can_set_dev_channel(wdev
))
1898 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1903 case NL80211_IFTYPE_AP
:
1904 case NL80211_IFTYPE_P2P_GO
:
1905 if (wdev
->beacon_interval
) {
1909 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
)) {
1913 wdev
->preset_chandef
= chandef
;
1916 case NL80211_IFTYPE_MESH_POINT
:
1917 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1919 case NL80211_IFTYPE_MONITOR
:
1920 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
1929 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1931 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1932 struct net_device
*netdev
= info
->user_ptr
[1];
1934 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1937 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1939 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1940 struct net_device
*dev
= info
->user_ptr
[1];
1941 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1944 if (!info
->attrs
[NL80211_ATTR_MAC
])
1947 if (netif_running(dev
))
1950 if (!rdev
->ops
->set_wds_peer
)
1953 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1956 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1957 return rdev_set_wds_peer(rdev
, dev
, bssid
);
1961 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1963 struct cfg80211_registered_device
*rdev
;
1964 struct net_device
*netdev
= NULL
;
1965 struct wireless_dev
*wdev
;
1966 int result
= 0, rem_txq_params
= 0;
1967 struct nlattr
*nl_txq_params
;
1969 u8 retry_short
= 0, retry_long
= 0;
1970 u32 frag_threshold
= 0, rts_threshold
= 0;
1971 u8 coverage_class
= 0;
1976 * Try to find the wiphy and netdev. Normally this
1977 * function shouldn't need the netdev, but this is
1978 * done for backward compatibility -- previously
1979 * setting the channel was done per wiphy, but now
1980 * it is per netdev. Previous userland like hostapd
1981 * also passed a netdev to set_wiphy, so that it is
1982 * possible to let that go to the right netdev!
1985 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1986 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1988 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
1989 if (netdev
&& netdev
->ieee80211_ptr
)
1990 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1996 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1999 return PTR_ERR(rdev
);
2004 wdev
= netdev
->ieee80211_ptr
;
2007 * end workaround code, by now the rdev is available
2008 * and locked, and wdev may or may not be NULL.
2011 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2012 result
= cfg80211_dev_rename(
2013 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2018 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2019 struct ieee80211_txq_params txq_params
;
2020 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2022 if (!rdev
->ops
->set_txq_params
)
2028 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2029 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2032 if (!netif_running(netdev
))
2035 nla_for_each_nested(nl_txq_params
,
2036 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2038 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2039 nla_data(nl_txq_params
),
2040 nla_len(nl_txq_params
),
2042 result
= parse_txq_params(tb
, &txq_params
);
2046 result
= rdev_set_txq_params(rdev
, netdev
,
2053 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2054 result
= __nl80211_set_channel(rdev
,
2055 nl80211_can_set_dev_channel(wdev
) ? wdev
: NULL
,
2061 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2062 struct wireless_dev
*txp_wdev
= wdev
;
2063 enum nl80211_tx_power_setting type
;
2066 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2069 if (!rdev
->ops
->set_tx_power
)
2072 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2073 type
= nla_get_u32(info
->attrs
[idx
]);
2075 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2076 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2079 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2080 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2081 mbm
= nla_get_u32(info
->attrs
[idx
]);
2084 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2089 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2090 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2092 if ((!rdev
->wiphy
.available_antennas_tx
&&
2093 !rdev
->wiphy
.available_antennas_rx
) ||
2094 !rdev
->ops
->set_antenna
)
2097 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2098 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2100 /* reject antenna configurations which don't match the
2101 * available antenna masks, except for the "all" mask */
2102 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2103 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2106 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2107 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2109 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2116 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2117 retry_short
= nla_get_u8(
2118 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2119 if (retry_short
== 0)
2122 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2125 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2126 retry_long
= nla_get_u8(
2127 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2128 if (retry_long
== 0)
2131 changed
|= WIPHY_PARAM_RETRY_LONG
;
2134 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2135 frag_threshold
= nla_get_u32(
2136 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2137 if (frag_threshold
< 256)
2140 if (frag_threshold
!= (u32
) -1) {
2142 * Fragments (apart from the last one) are required to
2143 * have even length. Make the fragmentation code
2144 * simpler by stripping LSB should someone try to use
2145 * odd threshold value.
2147 frag_threshold
&= ~0x1;
2149 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2152 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2153 rts_threshold
= nla_get_u32(
2154 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2155 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2158 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2159 coverage_class
= nla_get_u8(
2160 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2161 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2165 u8 old_retry_short
, old_retry_long
;
2166 u32 old_frag_threshold
, old_rts_threshold
;
2167 u8 old_coverage_class
;
2169 if (!rdev
->ops
->set_wiphy_params
)
2172 old_retry_short
= rdev
->wiphy
.retry_short
;
2173 old_retry_long
= rdev
->wiphy
.retry_long
;
2174 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2175 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2176 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2178 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2179 rdev
->wiphy
.retry_short
= retry_short
;
2180 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2181 rdev
->wiphy
.retry_long
= retry_long
;
2182 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2183 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2184 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2185 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2186 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2187 rdev
->wiphy
.coverage_class
= coverage_class
;
2189 result
= rdev_set_wiphy_params(rdev
, changed
);
2191 rdev
->wiphy
.retry_short
= old_retry_short
;
2192 rdev
->wiphy
.retry_long
= old_retry_long
;
2193 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2194 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2195 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2201 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2203 return (u64
)wdev
->identifier
|
2204 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
2207 static int nl80211_send_chandef(struct sk_buff
*msg
,
2208 const struct cfg80211_chan_def
*chandef
)
2210 WARN_ON(!cfg80211_chandef_valid(chandef
));
2212 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2213 chandef
->chan
->center_freq
))
2215 switch (chandef
->width
) {
2216 case NL80211_CHAN_WIDTH_20_NOHT
:
2217 case NL80211_CHAN_WIDTH_20
:
2218 case NL80211_CHAN_WIDTH_40
:
2219 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2220 cfg80211_get_chandef_type(chandef
)))
2226 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2228 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2230 if (chandef
->center_freq2
&&
2231 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2236 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2237 struct cfg80211_registered_device
*rdev
,
2238 struct wireless_dev
*wdev
)
2240 struct net_device
*dev
= wdev
->netdev
;
2243 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2248 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2249 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2250 goto nla_put_failure
;
2252 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2253 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2254 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2255 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2256 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2257 rdev
->devlist_generation
^
2258 (cfg80211_rdev_list_generation
<< 2)))
2259 goto nla_put_failure
;
2261 if (rdev
->ops
->get_channel
) {
2263 struct cfg80211_chan_def chandef
;
2265 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2267 if (nl80211_send_chandef(msg
, &chandef
))
2268 goto nla_put_failure
;
2272 if (wdev
->ssid_len
) {
2273 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2274 goto nla_put_failure
;
2277 return genlmsg_end(msg
, hdr
);
2280 genlmsg_cancel(msg
, hdr
);
2284 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2288 int wp_start
= cb
->args
[0];
2289 int if_start
= cb
->args
[1];
2290 struct cfg80211_registered_device
*rdev
;
2291 struct wireless_dev
*wdev
;
2294 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2295 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2297 if (wp_idx
< wp_start
) {
2303 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2304 if (if_idx
< if_start
) {
2308 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2309 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2321 cb
->args
[0] = wp_idx
;
2322 cb
->args
[1] = if_idx
;
2327 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2329 struct sk_buff
*msg
;
2330 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
2331 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2333 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2337 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2343 return genlmsg_reply(msg
, info
);
2346 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2347 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2348 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2349 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2350 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2351 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2352 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2355 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2357 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2365 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2366 nla
, mntr_flags_policy
))
2369 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2371 *mntrflags
|= (1<<flag
);
2376 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2377 struct net_device
*netdev
, u8 use_4addr
,
2378 enum nl80211_iftype iftype
)
2381 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2387 case NL80211_IFTYPE_AP_VLAN
:
2388 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2391 case NL80211_IFTYPE_STATION
:
2392 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2402 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2404 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2405 struct vif_params params
;
2407 enum nl80211_iftype otype
, ntype
;
2408 struct net_device
*dev
= info
->user_ptr
[1];
2409 u32 _flags
, *flags
= NULL
;
2410 bool change
= false;
2412 memset(¶ms
, 0, sizeof(params
));
2414 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2416 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2417 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2420 if (ntype
> NL80211_IFTYPE_MAX
)
2424 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2425 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2427 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2429 if (netif_running(dev
))
2433 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2434 IEEE80211_MAX_MESH_ID_LEN
);
2435 wdev
->mesh_id_up_len
=
2436 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2437 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2438 wdev
->mesh_id_up_len
);
2442 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2443 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2445 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2449 params
.use_4addr
= -1;
2452 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2453 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2455 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2464 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2465 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2469 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2473 if (!err
&& params
.use_4addr
!= -1)
2474 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2479 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2481 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2482 struct vif_params params
;
2483 struct wireless_dev
*wdev
;
2484 struct sk_buff
*msg
;
2486 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2489 memset(¶ms
, 0, sizeof(params
));
2491 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2494 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2495 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2496 if (type
> NL80211_IFTYPE_MAX
)
2500 if (!rdev
->ops
->add_virtual_intf
||
2501 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2504 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2505 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2507 if (!is_valid_ether_addr(params
.macaddr
))
2508 return -EADDRNOTAVAIL
;
2511 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2512 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2513 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2518 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2522 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2523 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2526 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2527 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2530 wdev
= rdev_add_virtual_intf(rdev
,
2531 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2532 type
, err
? NULL
: &flags
, ¶ms
);
2535 return PTR_ERR(wdev
);
2539 case NL80211_IFTYPE_MESH_POINT
:
2540 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2543 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2544 IEEE80211_MAX_MESH_ID_LEN
);
2545 wdev
->mesh_id_up_len
=
2546 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2547 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2548 wdev
->mesh_id_up_len
);
2551 case NL80211_IFTYPE_P2P_DEVICE
:
2553 * P2P Device doesn't have a netdev, so doesn't go
2554 * through the netdev notifier and must be added here
2556 mutex_init(&wdev
->mtx
);
2557 INIT_LIST_HEAD(&wdev
->event_list
);
2558 spin_lock_init(&wdev
->event_lock
);
2559 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2560 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2562 wdev
->identifier
= ++rdev
->wdev_id
;
2563 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2564 rdev
->devlist_generation
++;
2570 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2576 return genlmsg_reply(msg
, info
);
2579 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2581 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2582 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2584 if (!rdev
->ops
->del_virtual_intf
)
2588 * If we remove a wireless device without a netdev then clear
2589 * user_ptr[1] so that nl80211_post_doit won't dereference it
2590 * to check if it needs to do dev_put(). Otherwise it crashes
2591 * since the wdev has been freed, unlike with a netdev where
2592 * we need the dev_put() for the netdev to really be freed.
2595 info
->user_ptr
[1] = NULL
;
2597 return rdev_del_virtual_intf(rdev
, wdev
);
2600 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2602 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2603 struct net_device
*dev
= info
->user_ptr
[1];
2606 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2609 if (!rdev
->ops
->set_noack_map
)
2612 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2614 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2617 struct get_key_cookie
{
2618 struct sk_buff
*msg
;
2623 static void get_key_callback(void *c
, struct key_params
*params
)
2626 struct get_key_cookie
*cookie
= c
;
2629 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2630 params
->key_len
, params
->key
)) ||
2632 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2633 params
->seq_len
, params
->seq
)) ||
2635 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2637 goto nla_put_failure
;
2639 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2641 goto nla_put_failure
;
2644 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2645 params
->key_len
, params
->key
)) ||
2647 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2648 params
->seq_len
, params
->seq
)) ||
2650 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2652 goto nla_put_failure
;
2654 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2655 goto nla_put_failure
;
2657 nla_nest_end(cookie
->msg
, key
);
2664 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2666 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2668 struct net_device
*dev
= info
->user_ptr
[1];
2670 const u8
*mac_addr
= NULL
;
2672 struct get_key_cookie cookie
= {
2676 struct sk_buff
*msg
;
2678 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2679 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2684 if (info
->attrs
[NL80211_ATTR_MAC
])
2685 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2687 pairwise
= !!mac_addr
;
2688 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2689 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2690 if (kt
>= NUM_NL80211_KEYTYPES
)
2692 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2693 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2695 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2698 if (!rdev
->ops
->get_key
)
2701 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2705 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2706 NL80211_CMD_NEW_KEY
);
2708 goto nla_put_failure
;
2711 cookie
.idx
= key_idx
;
2713 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2714 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2715 goto nla_put_failure
;
2717 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2718 goto nla_put_failure
;
2720 if (pairwise
&& mac_addr
&&
2721 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2724 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2731 goto nla_put_failure
;
2733 genlmsg_end(msg
, hdr
);
2734 return genlmsg_reply(msg
, info
);
2743 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2745 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2746 struct key_parse key
;
2748 struct net_device
*dev
= info
->user_ptr
[1];
2750 err
= nl80211_parse_key(info
, &key
);
2757 /* only support setting default key */
2758 if (!key
.def
&& !key
.defmgmt
)
2761 wdev_lock(dev
->ieee80211_ptr
);
2764 if (!rdev
->ops
->set_default_key
) {
2769 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2773 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2774 key
.def_uni
, key
.def_multi
);
2779 #ifdef CONFIG_CFG80211_WEXT
2780 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2783 if (key
.def_uni
|| !key
.def_multi
) {
2788 if (!rdev
->ops
->set_default_mgmt_key
) {
2793 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2797 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2801 #ifdef CONFIG_CFG80211_WEXT
2802 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2807 wdev_unlock(dev
->ieee80211_ptr
);
2812 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2814 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2816 struct net_device
*dev
= info
->user_ptr
[1];
2817 struct key_parse key
;
2818 const u8
*mac_addr
= NULL
;
2820 err
= nl80211_parse_key(info
, &key
);
2827 if (info
->attrs
[NL80211_ATTR_MAC
])
2828 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2830 if (key
.type
== -1) {
2832 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2834 key
.type
= NL80211_KEYTYPE_GROUP
;
2838 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2839 key
.type
!= NL80211_KEYTYPE_GROUP
)
2842 if (!rdev
->ops
->add_key
)
2845 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2846 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2850 wdev_lock(dev
->ieee80211_ptr
);
2851 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2853 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2854 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2856 wdev_unlock(dev
->ieee80211_ptr
);
2861 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2863 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2865 struct net_device
*dev
= info
->user_ptr
[1];
2866 u8
*mac_addr
= NULL
;
2867 struct key_parse key
;
2869 err
= nl80211_parse_key(info
, &key
);
2873 if (info
->attrs
[NL80211_ATTR_MAC
])
2874 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2876 if (key
.type
== -1) {
2878 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2880 key
.type
= NL80211_KEYTYPE_GROUP
;
2884 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2885 key
.type
!= NL80211_KEYTYPE_GROUP
)
2888 if (!rdev
->ops
->del_key
)
2891 wdev_lock(dev
->ieee80211_ptr
);
2892 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2894 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2895 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2899 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2900 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2903 #ifdef CONFIG_CFG80211_WEXT
2905 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2906 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2907 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2908 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2911 wdev_unlock(dev
->ieee80211_ptr
);
2916 /* This function returns an error or the number of nested attributes */
2917 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
2919 struct nlattr
*attr
;
2920 int n_entries
= 0, tmp
;
2922 nla_for_each_nested(attr
, nl_attr
, tmp
) {
2923 if (nla_len(attr
) != ETH_ALEN
)
2933 * This function parses ACL information and allocates memory for ACL data.
2934 * On successful return, the calling function is responsible to free the
2935 * ACL buffer returned by this function.
2937 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
2938 struct genl_info
*info
)
2940 enum nl80211_acl_policy acl_policy
;
2941 struct nlattr
*attr
;
2942 struct cfg80211_acl_data
*acl
;
2943 int i
= 0, n_entries
, tmp
;
2945 if (!wiphy
->max_acl_mac_addrs
)
2946 return ERR_PTR(-EOPNOTSUPP
);
2948 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
2949 return ERR_PTR(-EINVAL
);
2951 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
2952 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
2953 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
2954 return ERR_PTR(-EINVAL
);
2956 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
2957 return ERR_PTR(-EINVAL
);
2959 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
2961 return ERR_PTR(n_entries
);
2963 if (n_entries
> wiphy
->max_acl_mac_addrs
)
2964 return ERR_PTR(-ENOTSUPP
);
2966 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
2969 return ERR_PTR(-ENOMEM
);
2971 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
2972 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
2976 acl
->n_acl_entries
= n_entries
;
2977 acl
->acl_policy
= acl_policy
;
2982 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
2984 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2985 struct net_device
*dev
= info
->user_ptr
[1];
2986 struct cfg80211_acl_data
*acl
;
2989 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2990 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2993 if (!dev
->ieee80211_ptr
->beacon_interval
)
2996 acl
= parse_acl_data(&rdev
->wiphy
, info
);
2998 return PTR_ERR(acl
);
3000 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3007 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3008 struct cfg80211_beacon_data
*bcn
)
3010 bool haveinfo
= false;
3012 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3013 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3014 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3015 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3018 memset(bcn
, 0, sizeof(*bcn
));
3020 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3021 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3022 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3028 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3029 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3030 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3037 if (attrs
[NL80211_ATTR_IE
]) {
3038 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3039 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3042 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3043 bcn
->proberesp_ies
=
3044 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3045 bcn
->proberesp_ies_len
=
3046 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3049 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3050 bcn
->assocresp_ies
=
3051 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3052 bcn
->assocresp_ies_len
=
3053 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3056 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3057 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3058 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3064 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3065 struct cfg80211_ap_settings
*params
)
3067 struct wireless_dev
*wdev
;
3070 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3071 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3072 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3075 if (!wdev
->preset_chandef
.chan
)
3078 params
->chandef
= wdev
->preset_chandef
;
3086 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3087 enum nl80211_auth_type auth_type
,
3088 enum nl80211_commands cmd
)
3090 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3094 case NL80211_CMD_AUTHENTICATE
:
3095 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3096 auth_type
== NL80211_AUTHTYPE_SAE
)
3099 case NL80211_CMD_CONNECT
:
3100 case NL80211_CMD_START_AP
:
3101 /* SAE not supported yet */
3102 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3110 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3112 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3113 struct net_device
*dev
= info
->user_ptr
[1];
3114 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3115 struct cfg80211_ap_settings params
;
3117 u8 radar_detect_width
= 0;
3119 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3120 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3123 if (!rdev
->ops
->start_ap
)
3126 if (wdev
->beacon_interval
)
3129 memset(¶ms
, 0, sizeof(params
));
3131 /* these are required for START_AP */
3132 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3133 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3134 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3137 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3141 params
.beacon_interval
=
3142 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3143 params
.dtim_period
=
3144 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3146 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3151 * In theory, some of these attributes should be required here
3152 * but since they were not used when the command was originally
3153 * added, keep them optional for old user space programs to let
3154 * them continue to work with drivers that do not need the
3155 * additional information -- drivers must check!
3157 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3158 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3160 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3161 if (params
.ssid_len
== 0 ||
3162 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3166 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3167 params
.hidden_ssid
= nla_get_u32(
3168 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3169 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3170 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3171 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3175 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3177 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3178 params
.auth_type
= nla_get_u32(
3179 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3180 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3181 NL80211_CMD_START_AP
))
3184 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3186 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3187 NL80211_MAX_NR_CIPHER_SUITES
);
3191 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3192 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3194 params
.inactivity_timeout
= nla_get_u16(
3195 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3198 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3199 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3201 params
.p2p_ctwindow
=
3202 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3203 if (params
.p2p_ctwindow
> 127)
3205 if (params
.p2p_ctwindow
!= 0 &&
3206 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3210 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3213 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3215 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3218 params
.p2p_opp_ps
= tmp
;
3219 if (params
.p2p_opp_ps
!= 0 &&
3220 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3224 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3225 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3228 } else if (wdev
->preset_chandef
.chan
) {
3229 params
.chandef
= wdev
->preset_chandef
;
3230 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3233 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
3236 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, ¶ms
.chandef
);
3240 radar_detect_width
= BIT(params
.chandef
.width
);
3241 params
.radar_required
= true;
3244 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
3245 params
.chandef
.chan
,
3247 radar_detect_width
);
3251 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3252 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3253 if (IS_ERR(params
.acl
))
3254 return PTR_ERR(params
.acl
);
3258 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3260 wdev
->preset_chandef
= params
.chandef
;
3261 wdev
->beacon_interval
= params
.beacon_interval
;
3262 wdev
->channel
= params
.chandef
.chan
;
3263 wdev
->ssid_len
= params
.ssid_len
;
3264 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3273 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3275 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3276 struct net_device
*dev
= info
->user_ptr
[1];
3277 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3278 struct cfg80211_beacon_data params
;
3281 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3282 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3285 if (!rdev
->ops
->change_beacon
)
3288 if (!wdev
->beacon_interval
)
3291 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3296 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3302 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3304 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3305 struct net_device
*dev
= info
->user_ptr
[1];
3307 return cfg80211_stop_ap(rdev
, dev
);
3310 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3311 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3312 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3313 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3314 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3315 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3316 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3319 static int parse_station_flags(struct genl_info
*info
,
3320 enum nl80211_iftype iftype
,
3321 struct station_parameters
*params
)
3323 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3328 * Try parsing the new attribute first so userspace
3329 * can specify both for older kernels.
3331 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3333 struct nl80211_sta_flag_update
*sta_flags
;
3335 sta_flags
= nla_data(nla
);
3336 params
->sta_flags_mask
= sta_flags
->mask
;
3337 params
->sta_flags_set
= sta_flags
->set
;
3338 params
->sta_flags_set
&= params
->sta_flags_mask
;
3339 if ((params
->sta_flags_mask
|
3340 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3345 /* if present, parse the old attribute */
3347 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3351 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3352 nla
, sta_flags_policy
))
3356 * Only allow certain flags for interface types so that
3357 * other attributes are silently ignored. Remember that
3358 * this is backward compatibility code with old userspace
3359 * and shouldn't be hit in other cases anyway.
3362 case NL80211_IFTYPE_AP
:
3363 case NL80211_IFTYPE_AP_VLAN
:
3364 case NL80211_IFTYPE_P2P_GO
:
3365 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3366 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3367 BIT(NL80211_STA_FLAG_WME
) |
3368 BIT(NL80211_STA_FLAG_MFP
);
3370 case NL80211_IFTYPE_P2P_CLIENT
:
3371 case NL80211_IFTYPE_STATION
:
3372 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3373 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3375 case NL80211_IFTYPE_MESH_POINT
:
3376 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3377 BIT(NL80211_STA_FLAG_MFP
) |
3378 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3383 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3385 params
->sta_flags_set
|= (1<<flag
);
3387 /* no longer support new API additions in old API */
3388 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3396 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3399 struct nlattr
*rate
;
3403 rate
= nla_nest_start(msg
, attr
);
3407 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3408 bitrate
= cfg80211_calculate_bitrate(info
);
3409 /* report 16-bit bitrate only if we can */
3410 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3412 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3414 if (bitrate_compat
> 0 &&
3415 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3418 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3419 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3421 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3422 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3424 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3425 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3427 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3428 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3430 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3432 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3433 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3435 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3436 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3438 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3439 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3441 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3442 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3444 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3445 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3449 nla_nest_end(msg
, rate
);
3453 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3462 attr
= nla_nest_start(msg
, id
);
3466 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3467 if (!(mask
& BIT(i
)))
3470 if (nla_put_u8(msg
, i
, signal
[i
]))
3474 nla_nest_end(msg
, attr
);
3479 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3481 struct cfg80211_registered_device
*rdev
,
3482 struct net_device
*dev
,
3483 const u8
*mac_addr
, struct station_info
*sinfo
)
3486 struct nlattr
*sinfoattr
, *bss_param
;
3488 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3492 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3493 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3494 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3495 goto nla_put_failure
;
3497 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3499 goto nla_put_failure
;
3500 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3501 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3502 sinfo
->connected_time
))
3503 goto nla_put_failure
;
3504 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3505 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3506 sinfo
->inactive_time
))
3507 goto nla_put_failure
;
3508 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3509 STATION_INFO_RX_BYTES64
)) &&
3510 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3511 (u32
)sinfo
->rx_bytes
))
3512 goto nla_put_failure
;
3513 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3514 STATION_INFO_TX_BYTES64
)) &&
3515 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3516 (u32
)sinfo
->tx_bytes
))
3517 goto nla_put_failure
;
3518 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3519 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3521 goto nla_put_failure
;
3522 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3523 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3525 goto nla_put_failure
;
3526 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3527 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3528 goto nla_put_failure
;
3529 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3530 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3531 goto nla_put_failure
;
3532 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3533 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3534 sinfo
->plink_state
))
3535 goto nla_put_failure
;
3536 switch (rdev
->wiphy
.signal_type
) {
3537 case CFG80211_SIGNAL_TYPE_MBM
:
3538 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3539 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3541 goto nla_put_failure
;
3542 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3543 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3545 goto nla_put_failure
;
3550 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3551 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3552 sinfo
->chain_signal
,
3553 NL80211_STA_INFO_CHAIN_SIGNAL
))
3554 goto nla_put_failure
;
3556 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3557 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3558 sinfo
->chain_signal_avg
,
3559 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3560 goto nla_put_failure
;
3562 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3563 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3564 NL80211_STA_INFO_TX_BITRATE
))
3565 goto nla_put_failure
;
3567 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3568 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3569 NL80211_STA_INFO_RX_BITRATE
))
3570 goto nla_put_failure
;
3572 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3573 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3575 goto nla_put_failure
;
3576 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3577 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3579 goto nla_put_failure
;
3580 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3581 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3583 goto nla_put_failure
;
3584 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3585 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3587 goto nla_put_failure
;
3588 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3589 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3590 sinfo
->beacon_loss_count
))
3591 goto nla_put_failure
;
3592 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3593 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3595 goto nla_put_failure
;
3596 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3597 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3599 goto nla_put_failure
;
3600 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3601 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3603 goto nla_put_failure
;
3604 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3605 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3607 goto nla_put_failure
;
3609 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3610 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3611 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3612 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3613 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3614 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3615 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3616 sinfo
->bss_param
.dtim_period
) ||
3617 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3618 sinfo
->bss_param
.beacon_interval
))
3619 goto nla_put_failure
;
3621 nla_nest_end(msg
, bss_param
);
3623 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3624 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3625 sizeof(struct nl80211_sta_flag_update
),
3627 goto nla_put_failure
;
3628 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3629 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3631 goto nla_put_failure
;
3632 nla_nest_end(msg
, sinfoattr
);
3634 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3635 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3636 sinfo
->assoc_req_ies
))
3637 goto nla_put_failure
;
3639 return genlmsg_end(msg
, hdr
);
3642 genlmsg_cancel(msg
, hdr
);
3646 static int nl80211_dump_station(struct sk_buff
*skb
,
3647 struct netlink_callback
*cb
)
3649 struct station_info sinfo
;
3650 struct cfg80211_registered_device
*dev
;
3651 struct wireless_dev
*wdev
;
3652 u8 mac_addr
[ETH_ALEN
];
3653 int sta_idx
= cb
->args
[2];
3656 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
3660 if (!wdev
->netdev
) {
3665 if (!dev
->ops
->dump_station
) {
3671 memset(&sinfo
, 0, sizeof(sinfo
));
3672 err
= rdev_dump_station(dev
, wdev
->netdev
, sta_idx
,
3679 if (nl80211_send_station(skb
,
3680 NETLINK_CB(cb
->skb
).portid
,
3681 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3682 dev
, wdev
->netdev
, mac_addr
,
3691 cb
->args
[2] = sta_idx
;
3694 nl80211_finish_wdev_dump(dev
);
3699 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3701 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3702 struct net_device
*dev
= info
->user_ptr
[1];
3703 struct station_info sinfo
;
3704 struct sk_buff
*msg
;
3705 u8
*mac_addr
= NULL
;
3708 memset(&sinfo
, 0, sizeof(sinfo
));
3710 if (!info
->attrs
[NL80211_ATTR_MAC
])
3713 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3715 if (!rdev
->ops
->get_station
)
3718 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3722 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3726 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3727 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3732 return genlmsg_reply(msg
, info
);
3735 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3736 struct station_parameters
*params
,
3737 enum cfg80211_station_type statype
)
3739 if (params
->listen_interval
!= -1)
3744 /* When you run into this, adjust the code below for the new flag */
3745 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3748 case CFG80211_STA_MESH_PEER_KERNEL
:
3749 case CFG80211_STA_MESH_PEER_USER
:
3751 * No ignoring the TDLS flag here -- the userspace mesh
3752 * code doesn't have the bug of including TDLS in the
3755 if (params
->sta_flags_mask
&
3756 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3757 BIT(NL80211_STA_FLAG_MFP
) |
3758 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3761 case CFG80211_STA_TDLS_PEER_SETUP
:
3762 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3763 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3765 /* ignore since it can't change */
3766 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3769 /* disallow mesh-specific things */
3770 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3772 if (params
->local_pm
)
3774 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3778 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3779 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3780 /* TDLS can't be set, ... */
3781 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3784 * ... but don't bother the driver with it. This works around
3785 * a hostapd/wpa_supplicant issue -- it always includes the
3786 * TLDS_PEER flag in the mask even for AP mode.
3788 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3791 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3792 /* reject other things that can't change */
3793 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3795 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3797 if (params
->supported_rates
)
3799 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3803 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3809 case CFG80211_STA_AP_MLME_CLIENT
:
3810 /* Use this only for authorizing/unauthorizing a station */
3811 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3814 case CFG80211_STA_AP_CLIENT
:
3815 /* accept only the listed bits */
3816 if (params
->sta_flags_mask
&
3817 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3818 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3819 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3820 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3821 BIT(NL80211_STA_FLAG_WME
) |
3822 BIT(NL80211_STA_FLAG_MFP
)))
3825 /* but authenticated/associated only if driver handles it */
3826 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3827 params
->sta_flags_mask
&
3828 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3829 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3832 case CFG80211_STA_IBSS
:
3833 case CFG80211_STA_AP_STA
:
3834 /* reject any changes other than AUTHORIZED */
3835 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3838 case CFG80211_STA_TDLS_PEER_SETUP
:
3839 /* reject any changes other than AUTHORIZED or WME */
3840 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3841 BIT(NL80211_STA_FLAG_WME
)))
3843 /* force (at least) rates when authorizing */
3844 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3845 !params
->supported_rates
)
3848 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3849 /* reject any changes */
3851 case CFG80211_STA_MESH_PEER_KERNEL
:
3852 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3855 case CFG80211_STA_MESH_PEER_USER
:
3856 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3863 EXPORT_SYMBOL(cfg80211_check_station_change
);
3866 * Get vlan interface making sure it is running and on the right wiphy.
3868 static struct net_device
*get_vlan(struct genl_info
*info
,
3869 struct cfg80211_registered_device
*rdev
)
3871 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3872 struct net_device
*v
;
3878 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3880 return ERR_PTR(-ENODEV
);
3882 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3887 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3888 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3889 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3894 if (!netif_running(v
)) {
3902 return ERR_PTR(ret
);
3905 static struct nla_policy
3906 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3907 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3908 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3911 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3912 struct station_parameters
*params
)
3914 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3918 /* parse WME attributes if present */
3919 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3922 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3923 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3924 nl80211_sta_wme_policy
);
3928 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3929 params
->uapsd_queues
= nla_get_u8(
3930 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3931 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3934 if (tb
[NL80211_STA_WME_MAX_SP
])
3935 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3937 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3940 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3945 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
3946 struct station_parameters
*params
)
3948 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
3949 params
->supported_channels
=
3950 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3951 params
->supported_channels_len
=
3952 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3954 * Need to include at least one (first channel, number of
3955 * channels) tuple for each subband, and must have proper
3956 * tuples for the rest of the data as well.
3958 if (params
->supported_channels_len
< 2)
3960 if (params
->supported_channels_len
% 2)
3964 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
3965 params
->supported_oper_classes
=
3966 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3967 params
->supported_oper_classes_len
=
3968 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3970 * The value of the Length field of the Supported Operating
3971 * Classes element is between 2 and 253.
3973 if (params
->supported_oper_classes_len
< 2 ||
3974 params
->supported_oper_classes_len
> 253)
3980 static int nl80211_set_station_tdls(struct genl_info
*info
,
3981 struct station_parameters
*params
)
3984 /* Dummy STA entry gets updated once the peer capabilities are known */
3985 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
3986 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
3987 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3989 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3990 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3992 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
3994 err
= nl80211_parse_sta_channel_info(info
, params
);
3998 return nl80211_parse_sta_wme(info
, params
);
4001 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4003 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4004 struct net_device
*dev
= info
->user_ptr
[1];
4005 struct station_parameters params
;
4009 memset(¶ms
, 0, sizeof(params
));
4011 params
.listen_interval
= -1;
4013 if (!rdev
->ops
->change_station
)
4016 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4019 if (!info
->attrs
[NL80211_ATTR_MAC
])
4022 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4024 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4025 params
.supported_rates
=
4026 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4027 params
.supported_rates_len
=
4028 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4031 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4033 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4034 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4037 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4039 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4040 params
.ext_capab_len
=
4041 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4044 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4047 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4050 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4051 params
.plink_action
=
4052 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4053 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4057 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4058 params
.plink_state
=
4059 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4060 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4062 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4065 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4066 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4067 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4069 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4070 pm
> NL80211_MESH_POWER_MAX
)
4073 params
.local_pm
= pm
;
4076 /* Include parameters for TDLS peer (will check later) */
4077 err
= nl80211_set_station_tdls(info
, ¶ms
);
4081 params
.vlan
= get_vlan(info
, rdev
);
4082 if (IS_ERR(params
.vlan
))
4083 return PTR_ERR(params
.vlan
);
4085 switch (dev
->ieee80211_ptr
->iftype
) {
4086 case NL80211_IFTYPE_AP
:
4087 case NL80211_IFTYPE_AP_VLAN
:
4088 case NL80211_IFTYPE_P2P_GO
:
4089 case NL80211_IFTYPE_P2P_CLIENT
:
4090 case NL80211_IFTYPE_STATION
:
4091 case NL80211_IFTYPE_ADHOC
:
4092 case NL80211_IFTYPE_MESH_POINT
:
4099 /* driver will call cfg80211_check_station_change() */
4100 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4104 dev_put(params
.vlan
);
4109 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4111 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4113 struct net_device
*dev
= info
->user_ptr
[1];
4114 struct station_parameters params
;
4115 u8
*mac_addr
= NULL
;
4117 memset(¶ms
, 0, sizeof(params
));
4119 if (!rdev
->ops
->add_station
)
4122 if (!info
->attrs
[NL80211_ATTR_MAC
])
4125 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4128 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4131 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4132 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4135 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4136 params
.supported_rates
=
4137 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4138 params
.supported_rates_len
=
4139 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4140 params
.listen_interval
=
4141 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4143 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4144 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4146 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4147 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4150 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4152 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4153 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4156 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4158 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4159 params
.ext_capab_len
=
4160 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4163 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4165 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4167 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4169 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4171 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4172 params
.opmode_notif_used
= true;
4173 params
.opmode_notif
=
4174 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4177 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4178 params
.plink_action
=
4179 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4180 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4184 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4188 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4192 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4195 /* When you run into this, adjust the code below for the new flag */
4196 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4198 switch (dev
->ieee80211_ptr
->iftype
) {
4199 case NL80211_IFTYPE_AP
:
4200 case NL80211_IFTYPE_AP_VLAN
:
4201 case NL80211_IFTYPE_P2P_GO
:
4202 /* ignore WME attributes if iface/sta is not capable */
4203 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4204 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4205 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4207 /* TDLS peers cannot be added */
4208 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4209 info
->attrs
[NL80211_ATTR_PEER_AID
])
4211 /* but don't bother the driver with it */
4212 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4214 /* allow authenticated/associated only if driver handles it */
4215 if (!(rdev
->wiphy
.features
&
4216 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4217 params
.sta_flags_mask
&
4218 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4219 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4222 /* must be last in here for error handling */
4223 params
.vlan
= get_vlan(info
, rdev
);
4224 if (IS_ERR(params
.vlan
))
4225 return PTR_ERR(params
.vlan
);
4227 case NL80211_IFTYPE_MESH_POINT
:
4228 /* ignore uAPSD data */
4229 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4231 /* associated is disallowed */
4232 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4234 /* TDLS peers cannot be added */
4235 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4236 info
->attrs
[NL80211_ATTR_PEER_AID
])
4239 case NL80211_IFTYPE_STATION
:
4240 case NL80211_IFTYPE_P2P_CLIENT
:
4241 /* ignore uAPSD data */
4242 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4244 /* these are disallowed */
4245 if (params
.sta_flags_mask
&
4246 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4247 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4249 /* Only TDLS peers can be added */
4250 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4252 /* Can only add if TDLS ... */
4253 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4255 /* ... with external setup is supported */
4256 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4259 * Older wpa_supplicant versions always mark the TDLS peer
4260 * as authorized, but it shouldn't yet be.
4262 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4268 /* be aware of params.vlan when changing code here */
4270 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4273 dev_put(params
.vlan
);
4277 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4279 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4280 struct net_device
*dev
= info
->user_ptr
[1];
4281 u8
*mac_addr
= NULL
;
4283 if (info
->attrs
[NL80211_ATTR_MAC
])
4284 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4286 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4287 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4288 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4289 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4292 if (!rdev
->ops
->del_station
)
4295 return rdev_del_station(rdev
, dev
, mac_addr
);
4298 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4299 int flags
, struct net_device
*dev
,
4300 u8
*dst
, u8
*next_hop
,
4301 struct mpath_info
*pinfo
)
4304 struct nlattr
*pinfoattr
;
4306 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4310 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4311 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4312 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4313 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4314 goto nla_put_failure
;
4316 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4318 goto nla_put_failure
;
4319 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4320 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4322 goto nla_put_failure
;
4323 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4324 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4325 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4326 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4328 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4329 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4331 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4332 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4334 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4335 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4336 pinfo
->discovery_timeout
)) ||
4337 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4338 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4339 pinfo
->discovery_retries
)))
4340 goto nla_put_failure
;
4342 nla_nest_end(msg
, pinfoattr
);
4344 return genlmsg_end(msg
, hdr
);
4347 genlmsg_cancel(msg
, hdr
);
4351 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4352 struct netlink_callback
*cb
)
4354 struct mpath_info pinfo
;
4355 struct cfg80211_registered_device
*dev
;
4356 struct wireless_dev
*wdev
;
4358 u8 next_hop
[ETH_ALEN
];
4359 int path_idx
= cb
->args
[2];
4362 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
4366 if (!dev
->ops
->dump_mpath
) {
4371 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4377 err
= rdev_dump_mpath(dev
, wdev
->netdev
, path_idx
, dst
,
4384 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4385 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4386 wdev
->netdev
, dst
, next_hop
,
4395 cb
->args
[2] = path_idx
;
4398 nl80211_finish_wdev_dump(dev
);
4402 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4404 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4406 struct net_device
*dev
= info
->user_ptr
[1];
4407 struct mpath_info pinfo
;
4408 struct sk_buff
*msg
;
4410 u8 next_hop
[ETH_ALEN
];
4412 memset(&pinfo
, 0, sizeof(pinfo
));
4414 if (!info
->attrs
[NL80211_ATTR_MAC
])
4417 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4419 if (!rdev
->ops
->get_mpath
)
4422 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4425 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4429 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4433 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4434 dev
, dst
, next_hop
, &pinfo
) < 0) {
4439 return genlmsg_reply(msg
, info
);
4442 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4444 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4445 struct net_device
*dev
= info
->user_ptr
[1];
4447 u8
*next_hop
= NULL
;
4449 if (!info
->attrs
[NL80211_ATTR_MAC
])
4452 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4455 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4456 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4458 if (!rdev
->ops
->change_mpath
)
4461 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4464 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4467 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4469 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4470 struct net_device
*dev
= info
->user_ptr
[1];
4472 u8
*next_hop
= NULL
;
4474 if (!info
->attrs
[NL80211_ATTR_MAC
])
4477 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4480 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4481 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4483 if (!rdev
->ops
->add_mpath
)
4486 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4489 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4492 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4494 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4495 struct net_device
*dev
= info
->user_ptr
[1];
4498 if (info
->attrs
[NL80211_ATTR_MAC
])
4499 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4501 if (!rdev
->ops
->del_mpath
)
4504 return rdev_del_mpath(rdev
, dev
, dst
);
4507 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4509 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4510 struct net_device
*dev
= info
->user_ptr
[1];
4511 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4512 struct bss_parameters params
;
4515 memset(¶ms
, 0, sizeof(params
));
4516 /* default to not changing parameters */
4517 params
.use_cts_prot
= -1;
4518 params
.use_short_preamble
= -1;
4519 params
.use_short_slot_time
= -1;
4520 params
.ap_isolate
= -1;
4521 params
.ht_opmode
= -1;
4522 params
.p2p_ctwindow
= -1;
4523 params
.p2p_opp_ps
= -1;
4525 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4526 params
.use_cts_prot
=
4527 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4528 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4529 params
.use_short_preamble
=
4530 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4531 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4532 params
.use_short_slot_time
=
4533 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4534 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4535 params
.basic_rates
=
4536 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4537 params
.basic_rates_len
=
4538 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4540 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4541 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4542 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4544 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4546 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4547 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4549 params
.p2p_ctwindow
=
4550 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4551 if (params
.p2p_ctwindow
< 0)
4553 if (params
.p2p_ctwindow
!= 0 &&
4554 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4558 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4561 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4563 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4566 params
.p2p_opp_ps
= tmp
;
4567 if (params
.p2p_opp_ps
&&
4568 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4572 if (!rdev
->ops
->change_bss
)
4575 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4576 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4580 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4586 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4587 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4588 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4589 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4590 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4591 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4592 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4595 static int parse_reg_rule(struct nlattr
*tb
[],
4596 struct ieee80211_reg_rule
*reg_rule
)
4598 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4599 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4601 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4603 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4605 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4607 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4609 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4612 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4614 freq_range
->start_freq_khz
=
4615 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4616 freq_range
->end_freq_khz
=
4617 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4618 freq_range
->max_bandwidth_khz
=
4619 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4621 power_rule
->max_eirp
=
4622 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4624 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4625 power_rule
->max_antenna_gain
=
4626 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4631 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4635 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4638 * You should only get this when cfg80211 hasn't yet initialized
4639 * completely when built-in to the kernel right between the time
4640 * window between nl80211_init() and regulatory_init(), if that is
4643 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4644 return -EINPROGRESS
;
4646 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4649 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4651 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4652 user_reg_hint_type
=
4653 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4655 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4657 switch (user_reg_hint_type
) {
4658 case NL80211_USER_REG_HINT_USER
:
4659 case NL80211_USER_REG_HINT_CELL_BASE
:
4665 r
= regulatory_hint_user(data
, user_reg_hint_type
);
4670 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4671 struct genl_info
*info
)
4673 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4674 struct net_device
*dev
= info
->user_ptr
[1];
4675 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4676 struct mesh_config cur_params
;
4679 struct nlattr
*pinfoattr
;
4680 struct sk_buff
*msg
;
4682 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4685 if (!rdev
->ops
->get_mesh_config
)
4689 /* If not connected, get default parameters */
4690 if (!wdev
->mesh_id_len
)
4691 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4693 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4699 /* Draw up a netlink message to send back */
4700 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4703 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4704 NL80211_CMD_GET_MESH_CONFIG
);
4707 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4709 goto nla_put_failure
;
4710 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4711 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4712 cur_params
.dot11MeshRetryTimeout
) ||
4713 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4714 cur_params
.dot11MeshConfirmTimeout
) ||
4715 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4716 cur_params
.dot11MeshHoldingTimeout
) ||
4717 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4718 cur_params
.dot11MeshMaxPeerLinks
) ||
4719 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4720 cur_params
.dot11MeshMaxRetries
) ||
4721 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4722 cur_params
.dot11MeshTTL
) ||
4723 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4724 cur_params
.element_ttl
) ||
4725 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4726 cur_params
.auto_open_plinks
) ||
4727 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4728 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4729 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4730 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4731 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4732 cur_params
.path_refresh_time
) ||
4733 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4734 cur_params
.min_discovery_timeout
) ||
4735 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4736 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4737 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4738 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4739 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4740 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4741 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4742 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4743 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4744 cur_params
.dot11MeshHWMPRootMode
) ||
4745 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4746 cur_params
.dot11MeshHWMPRannInterval
) ||
4747 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4748 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4749 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4750 cur_params
.dot11MeshForwarding
) ||
4751 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4752 cur_params
.rssi_threshold
) ||
4753 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4754 cur_params
.ht_opmode
) ||
4755 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4756 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4757 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4758 cur_params
.dot11MeshHWMProotInterval
) ||
4759 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4760 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4761 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4762 cur_params
.power_mode
) ||
4763 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4764 cur_params
.dot11MeshAwakeWindowDuration
) ||
4765 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4766 cur_params
.plink_timeout
))
4767 goto nla_put_failure
;
4768 nla_nest_end(msg
, pinfoattr
);
4769 genlmsg_end(msg
, hdr
);
4770 return genlmsg_reply(msg
, info
);
4773 genlmsg_cancel(msg
, hdr
);
4779 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4780 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4781 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4782 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4783 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4784 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4785 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4786 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4787 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4788 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4789 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4790 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4791 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4792 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4793 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4794 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4795 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4796 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4797 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4798 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4799 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4800 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4801 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4802 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4803 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4804 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4805 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4806 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4807 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4810 static const struct nla_policy
4811 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4812 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4813 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4814 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4815 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4816 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4817 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4818 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4819 .len
= IEEE80211_MAX_DATA_LEN
},
4820 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4823 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4824 struct mesh_config
*cfg
,
4827 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4830 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4833 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4835 cfg->param = fn(tb[attr]); \
4836 mask |= (1 << (attr - 1)); \
4841 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4843 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4844 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4845 nl80211_meshconf_params_policy
))
4848 /* This makes sure that there aren't more than 32 mesh config
4849 * parameters (otherwise our bitfield scheme would not work.) */
4850 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4852 /* Fill in the params struct */
4853 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4854 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4856 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4857 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4859 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4860 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4862 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4863 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4865 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4866 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4868 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4869 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4870 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4871 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4873 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4874 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4876 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4878 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4880 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4881 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4883 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4884 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4886 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4887 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4889 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4891 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4893 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4895 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4897 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4899 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4901 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4902 dot11MeshHWMPnetDiameterTraversalTime
,
4904 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4906 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4907 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4909 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4910 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4912 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4913 dot11MeshGateAnnouncementProtocol
, 0, 1,
4914 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4916 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4917 mask
, NL80211_MESHCONF_FORWARDING
,
4919 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4920 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4922 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
4923 mask
, NL80211_MESHCONF_HT_OPMODE
,
4925 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
4927 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4929 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
4930 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4932 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4933 dot11MeshHWMPconfirmationInterval
,
4935 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4937 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
4938 NL80211_MESH_POWER_ACTIVE
,
4939 NL80211_MESH_POWER_MAX
,
4940 mask
, NL80211_MESHCONF_POWER_MODE
,
4942 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
4944 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
4945 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
4946 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4953 #undef FILL_IN_MESH_PARAM_IF_SET
4956 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
4957 struct mesh_setup
*setup
)
4959 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4960 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
4962 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
4964 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
4965 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
4966 nl80211_mesh_setup_params_policy
))
4969 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
4970 setup
->sync_method
=
4971 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
4972 IEEE80211_SYNC_METHOD_VENDOR
:
4973 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
4975 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
4976 setup
->path_sel_proto
=
4977 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
4978 IEEE80211_PATH_PROTOCOL_VENDOR
:
4979 IEEE80211_PATH_PROTOCOL_HWMP
;
4981 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
4982 setup
->path_metric
=
4983 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
4984 IEEE80211_PATH_METRIC_VENDOR
:
4985 IEEE80211_PATH_METRIC_AIRTIME
;
4988 if (tb
[NL80211_MESH_SETUP_IE
]) {
4989 struct nlattr
*ieattr
=
4990 tb
[NL80211_MESH_SETUP_IE
];
4991 if (!is_valid_ie_attr(ieattr
))
4993 setup
->ie
= nla_data(ieattr
);
4994 setup
->ie_len
= nla_len(ieattr
);
4996 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
4997 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
4999 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5000 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5001 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5002 if (setup
->is_secure
)
5003 setup
->user_mpm
= true;
5005 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5006 if (!setup
->user_mpm
)
5009 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5015 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5016 struct genl_info
*info
)
5018 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5019 struct net_device
*dev
= info
->user_ptr
[1];
5020 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5021 struct mesh_config cfg
;
5025 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5028 if (!rdev
->ops
->update_mesh_config
)
5031 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5036 if (!wdev
->mesh_id_len
)
5040 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5047 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5049 const struct ieee80211_regdomain
*regdom
;
5050 struct sk_buff
*msg
;
5052 struct nlattr
*nl_reg_rules
;
5055 if (!cfg80211_regdomain
)
5058 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5062 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5063 NL80211_CMD_GET_REG
);
5067 if (reg_last_request_cell_base() &&
5068 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5069 NL80211_USER_REG_HINT_CELL_BASE
))
5070 goto nla_put_failure
;
5073 regdom
= rcu_dereference(cfg80211_regdomain
);
5075 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5076 (regdom
->dfs_region
&&
5077 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5078 goto nla_put_failure_rcu
;
5080 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5082 goto nla_put_failure_rcu
;
5084 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5085 struct nlattr
*nl_reg_rule
;
5086 const struct ieee80211_reg_rule
*reg_rule
;
5087 const struct ieee80211_freq_range
*freq_range
;
5088 const struct ieee80211_power_rule
*power_rule
;
5090 reg_rule
= ®dom
->reg_rules
[i
];
5091 freq_range
= ®_rule
->freq_range
;
5092 power_rule
= ®_rule
->power_rule
;
5094 nl_reg_rule
= nla_nest_start(msg
, i
);
5096 goto nla_put_failure_rcu
;
5098 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5100 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5101 freq_range
->start_freq_khz
) ||
5102 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5103 freq_range
->end_freq_khz
) ||
5104 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5105 freq_range
->max_bandwidth_khz
) ||
5106 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5107 power_rule
->max_antenna_gain
) ||
5108 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5109 power_rule
->max_eirp
))
5110 goto nla_put_failure_rcu
;
5112 nla_nest_end(msg
, nl_reg_rule
);
5116 nla_nest_end(msg
, nl_reg_rules
);
5118 genlmsg_end(msg
, hdr
);
5119 return genlmsg_reply(msg
, info
);
5121 nla_put_failure_rcu
:
5124 genlmsg_cancel(msg
, hdr
);
5130 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5132 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5133 struct nlattr
*nl_reg_rule
;
5134 char *alpha2
= NULL
;
5135 int rem_reg_rules
= 0, r
= 0;
5136 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5137 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5138 struct ieee80211_regdomain
*rd
= NULL
;
5140 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5143 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5146 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5148 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5149 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5151 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5154 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5158 if (!reg_is_valid_request(alpha2
))
5161 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5162 num_rules
* sizeof(struct ieee80211_reg_rule
);
5164 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5168 rd
->n_reg_rules
= num_rules
;
5169 rd
->alpha2
[0] = alpha2
[0];
5170 rd
->alpha2
[1] = alpha2
[1];
5173 * Disable DFS master mode if the DFS region was
5174 * not supported or known on this kernel.
5176 if (reg_supported_dfs_region(dfs_region
))
5177 rd
->dfs_region
= dfs_region
;
5179 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5181 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5182 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5184 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5190 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5197 /* set_regdom took ownership */
5205 static int validate_scan_freqs(struct nlattr
*freqs
)
5207 struct nlattr
*attr1
, *attr2
;
5208 int n_channels
= 0, tmp1
, tmp2
;
5210 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5213 * Some hardware has a limited channel list for
5214 * scanning, and it is pretty much nonsensical
5215 * to scan for a channel twice, so disallow that
5216 * and don't require drivers to check that the
5217 * channel list they get isn't longer than what
5218 * they can scan, as long as they can scan all
5219 * the channels they registered at once.
5221 nla_for_each_nested(attr2
, freqs
, tmp2
)
5222 if (attr1
!= attr2
&&
5223 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5230 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5232 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5233 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5234 struct cfg80211_scan_request
*request
;
5235 struct nlattr
*attr
;
5236 struct wiphy
*wiphy
;
5237 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5240 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5243 wiphy
= &rdev
->wiphy
;
5245 if (!rdev
->ops
->scan
)
5248 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5253 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5254 n_channels
= validate_scan_freqs(
5255 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5261 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5264 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5265 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5268 if (n_ssids
> wiphy
->max_scan_ssids
) {
5273 if (info
->attrs
[NL80211_ATTR_IE
])
5274 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5278 if (ie_len
> wiphy
->max_scan_ie_len
) {
5283 request
= kzalloc(sizeof(*request
)
5284 + sizeof(*request
->ssids
) * n_ssids
5285 + sizeof(*request
->channels
) * n_channels
5286 + ie_len
, GFP_KERNEL
);
5293 request
->ssids
= (void *)&request
->channels
[n_channels
];
5294 request
->n_ssids
= n_ssids
;
5297 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5299 request
->ie
= (void *)(request
->channels
+ n_channels
);
5303 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5304 /* user specified, bail out if channel not found */
5305 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5306 struct ieee80211_channel
*chan
;
5308 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5315 /* ignore disabled channels */
5316 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5319 request
->channels
[i
] = chan
;
5323 enum ieee80211_band band
;
5326 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5328 if (!wiphy
->bands
[band
])
5330 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5331 struct ieee80211_channel
*chan
;
5333 chan
= &wiphy
->bands
[band
]->channels
[j
];
5335 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5338 request
->channels
[i
] = chan
;
5349 request
->n_channels
= i
;
5352 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5353 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5354 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5358 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5359 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5364 if (info
->attrs
[NL80211_ATTR_IE
]) {
5365 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5366 memcpy((void *)request
->ie
,
5367 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5371 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5372 if (wiphy
->bands
[i
])
5374 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5376 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5377 nla_for_each_nested(attr
,
5378 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5380 enum ieee80211_band band
= nla_type(attr
);
5382 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5387 if (!wiphy
->bands
[band
])
5390 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5393 &request
->rates
[band
]);
5399 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5400 request
->flags
= nla_get_u32(
5401 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5402 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5403 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5410 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5412 request
->wdev
= wdev
;
5413 request
->wiphy
= &rdev
->wiphy
;
5414 request
->scan_start
= jiffies
;
5416 rdev
->scan_req
= request
;
5417 err
= rdev_scan(rdev
, request
);
5420 nl80211_send_scan_start(rdev
, wdev
);
5422 dev_hold(wdev
->netdev
);
5425 rdev
->scan_req
= NULL
;
5433 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5434 struct genl_info
*info
)
5436 struct cfg80211_sched_scan_request
*request
;
5437 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5438 struct net_device
*dev
= info
->user_ptr
[1];
5439 struct nlattr
*attr
;
5440 struct wiphy
*wiphy
;
5441 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5443 enum ieee80211_band band
;
5445 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5447 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5448 !rdev
->ops
->sched_scan_start
)
5451 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5454 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5457 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5461 wiphy
= &rdev
->wiphy
;
5463 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5464 n_channels
= validate_scan_freqs(
5465 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5469 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5472 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5473 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5477 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5480 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
5481 nla_for_each_nested(attr
,
5482 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5486 if (n_match_sets
> wiphy
->max_match_sets
)
5489 if (info
->attrs
[NL80211_ATTR_IE
])
5490 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5494 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5497 if (rdev
->sched_scan_req
) {
5502 request
= kzalloc(sizeof(*request
)
5503 + sizeof(*request
->ssids
) * n_ssids
5504 + sizeof(*request
->match_sets
) * n_match_sets
5505 + sizeof(*request
->channels
) * n_channels
5506 + ie_len
, GFP_KERNEL
);
5513 request
->ssids
= (void *)&request
->channels
[n_channels
];
5514 request
->n_ssids
= n_ssids
;
5517 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5519 request
->ie
= (void *)(request
->channels
+ n_channels
);
5524 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5525 else if (request
->ssids
)
5526 request
->match_sets
=
5527 (void *)(request
->ssids
+ n_ssids
);
5529 request
->match_sets
=
5530 (void *)(request
->channels
+ n_channels
);
5532 request
->n_match_sets
= n_match_sets
;
5535 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5536 /* user specified, bail out if channel not found */
5537 nla_for_each_nested(attr
,
5538 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5540 struct ieee80211_channel
*chan
;
5542 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5549 /* ignore disabled channels */
5550 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5553 request
->channels
[i
] = chan
;
5558 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5560 if (!wiphy
->bands
[band
])
5562 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5563 struct ieee80211_channel
*chan
;
5565 chan
= &wiphy
->bands
[band
]->channels
[j
];
5567 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5570 request
->channels
[i
] = chan
;
5581 request
->n_channels
= i
;
5584 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5585 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5587 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5591 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5592 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5599 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5600 nla_for_each_nested(attr
,
5601 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5603 struct nlattr
*ssid
, *rssi
;
5605 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5606 nla_data(attr
), nla_len(attr
),
5607 nl80211_match_policy
);
5608 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5610 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5614 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5615 nla_data(ssid
), nla_len(ssid
));
5616 request
->match_sets
[i
].ssid
.ssid_len
=
5619 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5621 request
->rssi_thold
= nla_get_u32(rssi
);
5623 request
->rssi_thold
=
5624 NL80211_SCAN_RSSI_THOLD_OFF
;
5629 if (info
->attrs
[NL80211_ATTR_IE
]) {
5630 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5631 memcpy((void *)request
->ie
,
5632 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5636 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5637 request
->flags
= nla_get_u32(
5638 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5639 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5640 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5647 request
->wiphy
= &rdev
->wiphy
;
5648 request
->interval
= interval
;
5649 request
->scan_start
= jiffies
;
5651 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5653 rdev
->sched_scan_req
= request
;
5654 nl80211_send_sched_scan(rdev
, dev
,
5655 NL80211_CMD_START_SCHED_SCAN
);
5665 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5666 struct genl_info
*info
)
5668 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5670 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5671 !rdev
->ops
->sched_scan_stop
)
5674 return __cfg80211_stop_sched_scan(rdev
, false);
5677 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5678 struct genl_info
*info
)
5680 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5681 struct net_device
*dev
= info
->user_ptr
[1];
5682 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5683 struct cfg80211_chan_def chandef
;
5684 enum nl80211_dfs_regions dfs_region
;
5687 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5688 if (dfs_region
== NL80211_DFS_UNSET
)
5691 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5695 if (netif_carrier_ok(dev
))
5698 if (wdev
->cac_started
)
5701 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
);
5708 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
5711 if (!rdev
->ops
->start_radar_detection
)
5714 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5715 chandef
.chan
, CHAN_MODE_SHARED
,
5716 BIT(chandef
.width
));
5720 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
);
5722 wdev
->channel
= chandef
.chan
;
5723 wdev
->cac_started
= true;
5724 wdev
->cac_start_time
= jiffies
;
5729 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5731 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5732 struct net_device
*dev
= info
->user_ptr
[1];
5733 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5734 struct cfg80211_csa_settings params
;
5735 /* csa_attrs is defined static to avoid waste of stack size - this
5736 * function is called under RTNL lock, so this should not be a problem.
5738 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5739 u8 radar_detect_width
= 0;
5741 bool need_new_beacon
= false;
5743 if (!rdev
->ops
->channel_switch
||
5744 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5747 switch (dev
->ieee80211_ptr
->iftype
) {
5748 case NL80211_IFTYPE_AP
:
5749 case NL80211_IFTYPE_P2P_GO
:
5750 need_new_beacon
= true;
5752 /* useless if AP is not running */
5753 if (!wdev
->beacon_interval
)
5756 case NL80211_IFTYPE_ADHOC
:
5757 case NL80211_IFTYPE_MESH_POINT
:
5763 memset(¶ms
, 0, sizeof(params
));
5765 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5766 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5769 /* only important for AP, IBSS and mesh create IEs internally */
5770 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5773 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5775 if (!need_new_beacon
)
5778 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5782 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5783 info
->attrs
[NL80211_ATTR_CSA_IES
],
5788 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5792 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5795 params
.counter_offset_beacon
=
5796 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5797 if (params
.counter_offset_beacon
>= params
.beacon_csa
.tail_len
)
5800 /* sanity check - counters should be the same */
5801 if (params
.beacon_csa
.tail
[params
.counter_offset_beacon
] !=
5805 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5806 params
.counter_offset_presp
=
5807 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5808 if (params
.counter_offset_presp
>=
5809 params
.beacon_csa
.probe_resp_len
)
5812 if (params
.beacon_csa
.probe_resp
[params
.counter_offset_presp
] !=
5818 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
5822 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
5825 if (dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_AP
||
5826 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
||
5827 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_ADHOC
) {
5828 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
5833 radar_detect_width
= BIT(params
.chandef
.width
);
5834 params
.radar_required
= true;
5838 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5839 params
.chandef
.chan
,
5841 radar_detect_width
);
5845 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
5846 params
.block_tx
= true;
5849 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
5855 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5857 struct cfg80211_registered_device
*rdev
,
5858 struct wireless_dev
*wdev
,
5859 struct cfg80211_internal_bss
*intbss
)
5861 struct cfg80211_bss
*res
= &intbss
->pub
;
5862 const struct cfg80211_bss_ies
*ies
;
5867 ASSERT_WDEV_LOCK(wdev
);
5869 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5870 NL80211_CMD_NEW_SCAN_RESULTS
);
5874 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5876 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
5877 goto nla_put_failure
;
5879 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
5880 goto nla_put_failure
;
5881 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
5882 goto nla_put_failure
;
5884 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
5886 goto nla_put_failure
;
5887 if ((!is_zero_ether_addr(res
->bssid
) &&
5888 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
5889 goto nla_put_failure
;
5892 ies
= rcu_dereference(res
->ies
);
5894 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5895 goto fail_unlock_rcu
;
5897 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
5898 ies
->len
, ies
->data
))
5899 goto fail_unlock_rcu
;
5901 ies
= rcu_dereference(res
->beacon_ies
);
5903 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5904 goto fail_unlock_rcu
;
5905 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
5906 ies
->len
, ies
->data
))
5907 goto fail_unlock_rcu
;
5911 if (res
->beacon_interval
&&
5912 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
5913 goto nla_put_failure
;
5914 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
5915 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
5916 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
5917 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
5918 jiffies_to_msecs(jiffies
- intbss
->ts
)))
5919 goto nla_put_failure
;
5921 switch (rdev
->wiphy
.signal_type
) {
5922 case CFG80211_SIGNAL_TYPE_MBM
:
5923 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
5924 goto nla_put_failure
;
5926 case CFG80211_SIGNAL_TYPE_UNSPEC
:
5927 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
5928 goto nla_put_failure
;
5934 switch (wdev
->iftype
) {
5935 case NL80211_IFTYPE_P2P_CLIENT
:
5936 case NL80211_IFTYPE_STATION
:
5937 if (intbss
== wdev
->current_bss
&&
5938 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5939 NL80211_BSS_STATUS_ASSOCIATED
))
5940 goto nla_put_failure
;
5942 case NL80211_IFTYPE_ADHOC
:
5943 if (intbss
== wdev
->current_bss
&&
5944 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5945 NL80211_BSS_STATUS_IBSS_JOINED
))
5946 goto nla_put_failure
;
5952 nla_nest_end(msg
, bss
);
5954 return genlmsg_end(msg
, hdr
);
5959 genlmsg_cancel(msg
, hdr
);
5963 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
5965 struct cfg80211_registered_device
*rdev
;
5966 struct cfg80211_internal_bss
*scan
;
5967 struct wireless_dev
*wdev
;
5968 int start
= cb
->args
[2], idx
= 0;
5971 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5976 spin_lock_bh(&rdev
->bss_lock
);
5977 cfg80211_bss_expire(rdev
);
5979 cb
->seq
= rdev
->bss_generation
;
5981 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
5984 if (nl80211_send_bss(skb
, cb
,
5985 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5986 rdev
, wdev
, scan
) < 0) {
5992 spin_unlock_bh(&rdev
->bss_lock
);
5996 nl80211_finish_wdev_dump(rdev
);
6001 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6002 int flags
, struct net_device
*dev
,
6003 struct survey_info
*survey
)
6006 struct nlattr
*infoattr
;
6008 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6009 NL80211_CMD_NEW_SURVEY_RESULTS
);
6013 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6014 goto nla_put_failure
;
6016 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6018 goto nla_put_failure
;
6020 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6021 survey
->channel
->center_freq
))
6022 goto nla_put_failure
;
6024 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6025 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6026 goto nla_put_failure
;
6027 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6028 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6029 goto nla_put_failure
;
6030 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6031 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6032 survey
->channel_time
))
6033 goto nla_put_failure
;
6034 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6035 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6036 survey
->channel_time_busy
))
6037 goto nla_put_failure
;
6038 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6039 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6040 survey
->channel_time_ext_busy
))
6041 goto nla_put_failure
;
6042 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6043 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6044 survey
->channel_time_rx
))
6045 goto nla_put_failure
;
6046 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6047 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6048 survey
->channel_time_tx
))
6049 goto nla_put_failure
;
6051 nla_nest_end(msg
, infoattr
);
6053 return genlmsg_end(msg
, hdr
);
6056 genlmsg_cancel(msg
, hdr
);
6060 static int nl80211_dump_survey(struct sk_buff
*skb
,
6061 struct netlink_callback
*cb
)
6063 struct survey_info survey
;
6064 struct cfg80211_registered_device
*dev
;
6065 struct wireless_dev
*wdev
;
6066 int survey_idx
= cb
->args
[2];
6069 res
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
6073 if (!wdev
->netdev
) {
6078 if (!dev
->ops
->dump_survey
) {
6084 struct ieee80211_channel
*chan
;
6086 res
= rdev_dump_survey(dev
, wdev
->netdev
, survey_idx
, &survey
);
6092 /* Survey without a channel doesn't make sense */
6093 if (!survey
.channel
) {
6098 chan
= ieee80211_get_channel(&dev
->wiphy
,
6099 survey
.channel
->center_freq
);
6100 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6105 if (nl80211_send_survey(skb
,
6106 NETLINK_CB(cb
->skb
).portid
,
6107 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6108 wdev
->netdev
, &survey
) < 0)
6114 cb
->args
[2] = survey_idx
;
6117 nl80211_finish_wdev_dump(dev
);
6121 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6123 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6124 NL80211_WPA_VERSION_2
));
6127 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6129 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6130 struct net_device
*dev
= info
->user_ptr
[1];
6131 struct ieee80211_channel
*chan
;
6132 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6133 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6134 enum nl80211_auth_type auth_type
;
6135 struct key_parse key
;
6136 bool local_state_change
;
6138 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6141 if (!info
->attrs
[NL80211_ATTR_MAC
])
6144 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6147 if (!info
->attrs
[NL80211_ATTR_SSID
])
6150 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6153 err
= nl80211_parse_key(info
, &key
);
6158 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6160 if (!key
.p
.key
|| !key
.p
.key_len
)
6162 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6163 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6164 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6165 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6177 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6178 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6187 if (!rdev
->ops
->auth
)
6190 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6191 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6194 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6195 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6196 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6197 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6200 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6201 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6203 if (info
->attrs
[NL80211_ATTR_IE
]) {
6204 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6205 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6208 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6209 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6212 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6213 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6216 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6217 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6219 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6220 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6221 /* need to include at least Auth Transaction and Status Code */
6222 if (sae_data_len
< 4)
6226 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6229 * Since we no longer track auth state, ignore
6230 * requests to only change local state.
6232 if (local_state_change
)
6235 wdev_lock(dev
->ieee80211_ptr
);
6236 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6237 ssid
, ssid_len
, ie
, ie_len
,
6238 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6239 sae_data
, sae_data_len
);
6240 wdev_unlock(dev
->ieee80211_ptr
);
6244 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6245 struct genl_info
*info
,
6246 struct cfg80211_crypto_settings
*settings
,
6249 memset(settings
, 0, sizeof(*settings
));
6251 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6253 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6255 proto
= nla_get_u16(
6256 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6257 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6258 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6261 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6262 settings
->control_port_no_encrypt
= true;
6264 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6266 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6270 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6271 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6272 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6274 if (len
% sizeof(u32
))
6277 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6280 memcpy(settings
->ciphers_pairwise
, data
, len
);
6282 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6283 if (!cfg80211_supported_cipher_suite(
6285 settings
->ciphers_pairwise
[i
]))
6289 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6290 settings
->cipher_group
=
6291 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6292 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6293 settings
->cipher_group
))
6297 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6298 settings
->wpa_versions
=
6299 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6300 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6304 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6308 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6309 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6310 settings
->n_akm_suites
= len
/ sizeof(u32
);
6312 if (len
% sizeof(u32
))
6315 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6318 memcpy(settings
->akm_suites
, data
, len
);
6324 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6326 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6327 struct net_device
*dev
= info
->user_ptr
[1];
6328 struct ieee80211_channel
*chan
;
6329 struct cfg80211_assoc_request req
= {};
6330 const u8
*bssid
, *ssid
;
6331 int err
, ssid_len
= 0;
6333 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6336 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6337 !info
->attrs
[NL80211_ATTR_SSID
] ||
6338 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6341 if (!rdev
->ops
->assoc
)
6344 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6345 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6348 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6350 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6351 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6352 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6355 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6356 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6358 if (info
->attrs
[NL80211_ATTR_IE
]) {
6359 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6360 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6363 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6364 enum nl80211_mfp mfp
=
6365 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6366 if (mfp
== NL80211_MFP_REQUIRED
)
6368 else if (mfp
!= NL80211_MFP_NO
)
6372 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6373 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6375 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6376 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6378 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6379 memcpy(&req
.ht_capa_mask
,
6380 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6381 sizeof(req
.ht_capa_mask
));
6383 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6384 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6386 memcpy(&req
.ht_capa
,
6387 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6388 sizeof(req
.ht_capa
));
6391 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6392 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6394 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6395 memcpy(&req
.vht_capa_mask
,
6396 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6397 sizeof(req
.vht_capa_mask
));
6399 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6400 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6402 memcpy(&req
.vht_capa
,
6403 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6404 sizeof(req
.vht_capa
));
6407 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6409 wdev_lock(dev
->ieee80211_ptr
);
6410 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6411 ssid
, ssid_len
, &req
);
6412 wdev_unlock(dev
->ieee80211_ptr
);
6418 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6420 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6421 struct net_device
*dev
= info
->user_ptr
[1];
6422 const u8
*ie
= NULL
, *bssid
;
6423 int ie_len
= 0, err
;
6425 bool local_state_change
;
6427 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6430 if (!info
->attrs
[NL80211_ATTR_MAC
])
6433 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6436 if (!rdev
->ops
->deauth
)
6439 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6440 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6443 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6445 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6446 if (reason_code
== 0) {
6447 /* Reason Code 0 is reserved */
6451 if (info
->attrs
[NL80211_ATTR_IE
]) {
6452 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6453 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6456 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6458 wdev_lock(dev
->ieee80211_ptr
);
6459 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6460 local_state_change
);
6461 wdev_unlock(dev
->ieee80211_ptr
);
6465 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6467 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6468 struct net_device
*dev
= info
->user_ptr
[1];
6469 const u8
*ie
= NULL
, *bssid
;
6470 int ie_len
= 0, err
;
6472 bool local_state_change
;
6474 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6477 if (!info
->attrs
[NL80211_ATTR_MAC
])
6480 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6483 if (!rdev
->ops
->disassoc
)
6486 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6487 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6490 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6492 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6493 if (reason_code
== 0) {
6494 /* Reason Code 0 is reserved */
6498 if (info
->attrs
[NL80211_ATTR_IE
]) {
6499 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6500 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6503 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6505 wdev_lock(dev
->ieee80211_ptr
);
6506 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6507 local_state_change
);
6508 wdev_unlock(dev
->ieee80211_ptr
);
6513 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6514 int mcast_rate
[IEEE80211_NUM_BANDS
],
6517 struct wiphy
*wiphy
= &rdev
->wiphy
;
6521 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6522 struct ieee80211_supported_band
*sband
;
6524 sband
= wiphy
->bands
[band
];
6528 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6529 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6530 mcast_rate
[band
] = i
+ 1;
6540 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6542 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6543 struct net_device
*dev
= info
->user_ptr
[1];
6544 struct cfg80211_ibss_params ibss
;
6545 struct wiphy
*wiphy
;
6546 struct cfg80211_cached_keys
*connkeys
= NULL
;
6549 memset(&ibss
, 0, sizeof(ibss
));
6551 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6554 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6555 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6558 ibss
.beacon_interval
= 100;
6560 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6561 ibss
.beacon_interval
=
6562 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6563 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6567 if (!rdev
->ops
->join_ibss
)
6570 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6573 wiphy
= &rdev
->wiphy
;
6575 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6576 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6578 if (!is_valid_ether_addr(ibss
.bssid
))
6581 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6582 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6584 if (info
->attrs
[NL80211_ATTR_IE
]) {
6585 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6586 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6589 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6593 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
))
6596 switch (ibss
.chandef
.width
) {
6597 case NL80211_CHAN_WIDTH_5
:
6598 case NL80211_CHAN_WIDTH_10
:
6599 case NL80211_CHAN_WIDTH_20_NOHT
:
6601 case NL80211_CHAN_WIDTH_20
:
6602 case NL80211_CHAN_WIDTH_40
:
6603 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6609 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6610 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6612 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6614 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6616 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6617 struct ieee80211_supported_band
*sband
=
6618 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6620 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6626 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6627 memcpy(&ibss
.ht_capa_mask
,
6628 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6629 sizeof(ibss
.ht_capa_mask
));
6631 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6632 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6634 memcpy(&ibss
.ht_capa
,
6635 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6636 sizeof(ibss
.ht_capa
));
6639 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6640 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6641 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6644 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6647 connkeys
= nl80211_parse_connkeys(rdev
,
6648 info
->attrs
[NL80211_ATTR_KEYS
],
6650 if (IS_ERR(connkeys
))
6651 return PTR_ERR(connkeys
);
6653 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6661 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6663 ibss
.userspace_handles_dfs
=
6664 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6666 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6672 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6674 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6675 struct net_device
*dev
= info
->user_ptr
[1];
6677 if (!rdev
->ops
->leave_ibss
)
6680 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6683 return cfg80211_leave_ibss(rdev
, dev
, false);
6686 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6688 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6689 struct net_device
*dev
= info
->user_ptr
[1];
6690 int mcast_rate
[IEEE80211_NUM_BANDS
];
6694 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6695 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6698 if (!rdev
->ops
->set_mcast_rate
)
6701 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6703 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6706 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6707 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6710 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6715 static struct sk_buff
*
6716 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
6717 int approxlen
, u32 portid
, u32 seq
,
6718 enum nl80211_commands cmd
,
6719 enum nl80211_attrs attr
,
6720 const struct nl80211_vendor_cmd_info
*info
,
6723 struct sk_buff
*skb
;
6725 struct nlattr
*data
;
6727 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6731 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
6737 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6738 goto nla_put_failure
;
6741 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
6743 goto nla_put_failure
;
6744 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
6746 goto nla_put_failure
;
6749 data
= nla_nest_start(skb
, attr
);
6751 ((void **)skb
->cb
)[0] = rdev
;
6752 ((void **)skb
->cb
)[1] = hdr
;
6753 ((void **)skb
->cb
)[2] = data
;
6762 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
6763 enum nl80211_commands cmd
,
6764 enum nl80211_attrs attr
,
6765 int vendor_event_idx
,
6766 int approxlen
, gfp_t gfp
)
6768 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6769 const struct nl80211_vendor_cmd_info
*info
;
6772 case NL80211_CMD_TESTMODE
:
6773 if (WARN_ON(vendor_event_idx
!= -1))
6777 case NL80211_CMD_VENDOR
:
6778 if (WARN_ON(vendor_event_idx
< 0 ||
6779 vendor_event_idx
>= wiphy
->n_vendor_events
))
6781 info
= &wiphy
->vendor_events
[vendor_event_idx
];
6788 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
6789 cmd
, attr
, info
, gfp
);
6791 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
6793 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
6795 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6796 void *hdr
= ((void **)skb
->cb
)[1];
6797 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6798 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
6800 nla_nest_end(skb
, data
);
6801 genlmsg_end(skb
, hdr
);
6803 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
6804 mcgrp
= NL80211_MCGRP_VENDOR
;
6806 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
6809 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
6811 #ifdef CONFIG_NL80211_TESTMODE
6812 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6814 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6815 struct wireless_dev
*wdev
=
6816 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
6819 if (!rdev
->ops
->testmode_cmd
)
6823 err
= PTR_ERR(wdev
);
6827 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
6831 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
6834 rdev
->cur_cmd_info
= info
;
6835 err
= rdev_testmode_cmd(rdev
, wdev
,
6836 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
6837 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
6838 rdev
->cur_cmd_info
= NULL
;
6843 static int nl80211_testmode_dump(struct sk_buff
*skb
,
6844 struct netlink_callback
*cb
)
6846 struct cfg80211_registered_device
*rdev
;
6856 * 0 is a valid index, but not valid for args[0],
6857 * so we need to offset by 1.
6859 phy_idx
= cb
->args
[0] - 1;
6861 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
6862 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
6867 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
6868 nl80211_fam
.attrbuf
);
6870 err
= PTR_ERR(rdev
);
6873 phy_idx
= rdev
->wiphy_idx
;
6876 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
6878 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
6882 data
= nla_data((void *)cb
->args
[1]);
6883 data_len
= nla_len((void *)cb
->args
[1]);
6886 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
6892 if (!rdev
->ops
->testmode_dump
) {
6898 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
6899 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6900 NL80211_CMD_TESTMODE
);
6901 struct nlattr
*tmdata
;
6906 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
6907 genlmsg_cancel(skb
, hdr
);
6911 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6913 genlmsg_cancel(skb
, hdr
);
6916 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
6917 nla_nest_end(skb
, tmdata
);
6919 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
6920 genlmsg_cancel(skb
, hdr
);
6923 genlmsg_cancel(skb
, hdr
);
6927 genlmsg_end(skb
, hdr
);
6932 cb
->args
[0] = phy_idx
+ 1;
6939 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
6941 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6942 struct net_device
*dev
= info
->user_ptr
[1];
6943 struct cfg80211_connect_params connect
;
6944 struct wiphy
*wiphy
;
6945 struct cfg80211_cached_keys
*connkeys
= NULL
;
6948 memset(&connect
, 0, sizeof(connect
));
6950 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6953 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6954 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6957 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
6959 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6960 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
6961 NL80211_CMD_CONNECT
))
6964 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
6966 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
6968 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
6969 NL80211_MAX_NR_CIPHER_SUITES
);
6973 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6974 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6977 wiphy
= &rdev
->wiphy
;
6979 connect
.bg_scan_period
= -1;
6980 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
6981 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
6982 connect
.bg_scan_period
=
6983 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
6986 if (info
->attrs
[NL80211_ATTR_MAC
])
6987 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6988 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6989 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6991 if (info
->attrs
[NL80211_ATTR_IE
]) {
6992 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6993 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6996 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6997 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6998 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
6999 connect
.mfp
!= NL80211_MFP_NO
)
7002 connect
.mfp
= NL80211_MFP_NO
;
7005 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7007 ieee80211_get_channel(wiphy
,
7008 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
7009 if (!connect
.channel
||
7010 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
7014 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7015 connkeys
= nl80211_parse_connkeys(rdev
,
7016 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7017 if (IS_ERR(connkeys
))
7018 return PTR_ERR(connkeys
);
7021 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7022 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7024 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7025 memcpy(&connect
.ht_capa_mask
,
7026 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7027 sizeof(connect
.ht_capa_mask
));
7029 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7030 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7034 memcpy(&connect
.ht_capa
,
7035 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7036 sizeof(connect
.ht_capa
));
7039 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7040 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7042 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7043 memcpy(&connect
.vht_capa_mask
,
7044 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7045 sizeof(connect
.vht_capa_mask
));
7047 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7048 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7052 memcpy(&connect
.vht_capa
,
7053 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7054 sizeof(connect
.vht_capa
));
7057 wdev_lock(dev
->ieee80211_ptr
);
7058 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7059 wdev_unlock(dev
->ieee80211_ptr
);
7065 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7067 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7068 struct net_device
*dev
= info
->user_ptr
[1];
7072 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7073 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7075 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7080 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7081 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7084 wdev_lock(dev
->ieee80211_ptr
);
7085 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7086 wdev_unlock(dev
->ieee80211_ptr
);
7090 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7092 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7097 if (!info
->attrs
[NL80211_ATTR_PID
])
7100 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7102 net
= get_net_ns_by_pid(pid
);
7104 return PTR_ERR(net
);
7108 /* check if anything to do */
7109 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7110 err
= cfg80211_switch_netns(rdev
, net
);
7116 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7118 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7119 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7120 struct cfg80211_pmksa
*pmksa
) = NULL
;
7121 struct net_device
*dev
= info
->user_ptr
[1];
7122 struct cfg80211_pmksa pmksa
;
7124 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7126 if (!info
->attrs
[NL80211_ATTR_MAC
])
7129 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7132 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7133 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7135 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7136 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7139 switch (info
->genlhdr
->cmd
) {
7140 case NL80211_CMD_SET_PMKSA
:
7141 rdev_ops
= rdev
->ops
->set_pmksa
;
7143 case NL80211_CMD_DEL_PMKSA
:
7144 rdev_ops
= rdev
->ops
->del_pmksa
;
7154 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7157 static int nl80211_flush_pmksa(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];
7162 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7163 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7166 if (!rdev
->ops
->flush_pmksa
)
7169 return rdev_flush_pmksa(rdev
, dev
);
7172 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7174 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7175 struct net_device
*dev
= info
->user_ptr
[1];
7176 u8 action_code
, dialog_token
;
7180 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7181 !rdev
->ops
->tdls_mgmt
)
7184 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7185 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7186 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7187 !info
->attrs
[NL80211_ATTR_IE
] ||
7188 !info
->attrs
[NL80211_ATTR_MAC
])
7191 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7192 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7193 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7194 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7196 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7197 dialog_token
, status_code
,
7198 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7199 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7202 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7204 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7205 struct net_device
*dev
= info
->user_ptr
[1];
7206 enum nl80211_tdls_operation operation
;
7209 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7210 !rdev
->ops
->tdls_oper
)
7213 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7214 !info
->attrs
[NL80211_ATTR_MAC
])
7217 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7218 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7220 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7223 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7224 struct genl_info
*info
)
7226 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7227 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7228 struct cfg80211_chan_def chandef
;
7229 struct sk_buff
*msg
;
7235 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7236 !info
->attrs
[NL80211_ATTR_DURATION
])
7239 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7241 if (!rdev
->ops
->remain_on_channel
||
7242 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7246 * We should be on that channel for at least a minimum amount of
7247 * time (10ms) but no longer than the driver supports.
7249 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7250 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7253 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7257 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7261 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7262 NL80211_CMD_REMAIN_ON_CHANNEL
);
7268 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7274 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7275 goto nla_put_failure
;
7277 genlmsg_end(msg
, hdr
);
7279 return genlmsg_reply(msg
, info
);
7288 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7289 struct genl_info
*info
)
7291 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7292 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7295 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7298 if (!rdev
->ops
->cancel_remain_on_channel
)
7301 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7303 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7306 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7307 u8
*rates
, u8 rates_len
)
7312 for (i
= 0; i
< rates_len
; i
++) {
7313 int rate
= (rates
[i
] & 0x7f) * 5;
7315 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7316 struct ieee80211_rate
*srate
=
7317 &sband
->bitrates
[ridx
];
7318 if (rate
== srate
->bitrate
) {
7323 if (ridx
== sband
->n_bitrates
)
7324 return 0; /* rate not found */
7330 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7331 u8
*rates
, u8 rates_len
,
7332 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7336 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7338 for (i
= 0; i
< rates_len
; i
++) {
7341 ridx
= rates
[i
] / 8;
7342 rbit
= BIT(rates
[i
] % 8);
7344 /* check validity */
7345 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7348 /* check availability */
7349 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7358 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7362 switch (vht_mcs_map
) {
7363 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7365 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7368 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7371 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7381 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7382 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7386 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7387 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7392 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7393 struct nl80211_txrate_vht
*txrate
,
7394 u16 mcs
[NL80211_VHT_NSS_MAX
])
7396 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7397 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7400 if (!sband
->vht_cap
.vht_supported
)
7403 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7405 /* Build vht_mcs_mask from VHT capabilities */
7406 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7408 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7409 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7410 mcs
[i
] = txrate
->mcs
[i
];
7418 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7419 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7420 .len
= NL80211_MAX_SUPP_RATES
},
7421 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7422 .len
= NL80211_MAX_SUPP_HT_RATES
},
7423 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7426 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7427 struct genl_info
*info
)
7429 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7430 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7431 struct cfg80211_bitrate_mask mask
;
7433 struct net_device
*dev
= info
->user_ptr
[1];
7434 struct nlattr
*tx_rates
;
7435 struct ieee80211_supported_band
*sband
;
7438 if (!rdev
->ops
->set_bitrate_mask
)
7441 memset(&mask
, 0, sizeof(mask
));
7442 /* Default to all rates enabled */
7443 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7444 sband
= rdev
->wiphy
.bands
[i
];
7449 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7450 memcpy(mask
.control
[i
].ht_mcs
,
7451 sband
->ht_cap
.mcs
.rx_mask
,
7452 sizeof(mask
.control
[i
].ht_mcs
));
7454 if (!sband
->vht_cap
.vht_supported
)
7457 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7458 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7461 /* if no rates are given set it back to the defaults */
7462 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7466 * The nested attribute uses enum nl80211_band as the index. This maps
7467 * directly to the enum ieee80211_band values used in cfg80211.
7469 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7470 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
7472 enum ieee80211_band band
= nla_type(tx_rates
);
7473 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7475 sband
= rdev
->wiphy
.bands
[band
];
7478 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7479 nla_len(tx_rates
), nl80211_txattr_policy
);
7480 if (tb
[NL80211_TXRATE_LEGACY
]) {
7481 mask
.control
[band
].legacy
= rateset_to_mask(
7483 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7484 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7485 if ((mask
.control
[band
].legacy
== 0) &&
7486 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7489 if (tb
[NL80211_TXRATE_HT
]) {
7490 if (!ht_rateset_to_mask(
7492 nla_data(tb
[NL80211_TXRATE_HT
]),
7493 nla_len(tb
[NL80211_TXRATE_HT
]),
7494 mask
.control
[band
].ht_mcs
))
7497 if (tb
[NL80211_TXRATE_VHT
]) {
7498 if (!vht_set_mcs_mask(
7500 nla_data(tb
[NL80211_TXRATE_VHT
]),
7501 mask
.control
[band
].vht_mcs
))
7505 if (mask
.control
[band
].legacy
== 0) {
7506 /* don't allow empty legacy rates if HT or VHT
7507 * are not even supported.
7509 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
7510 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
7513 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7514 if (mask
.control
[band
].ht_mcs
[i
])
7517 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
7518 if (mask
.control
[band
].vht_mcs
[i
])
7521 /* legacy and mcs rates may not be both empty */
7527 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7530 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7532 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7533 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7534 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7536 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7539 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7540 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7542 switch (wdev
->iftype
) {
7543 case NL80211_IFTYPE_STATION
:
7544 case NL80211_IFTYPE_ADHOC
:
7545 case NL80211_IFTYPE_P2P_CLIENT
:
7546 case NL80211_IFTYPE_AP
:
7547 case NL80211_IFTYPE_AP_VLAN
:
7548 case NL80211_IFTYPE_MESH_POINT
:
7549 case NL80211_IFTYPE_P2P_GO
:
7550 case NL80211_IFTYPE_P2P_DEVICE
:
7556 /* not much point in registering if we can't reply */
7557 if (!rdev
->ops
->mgmt_tx
)
7560 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7561 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7562 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7565 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7567 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7568 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7569 struct cfg80211_chan_def chandef
;
7573 struct sk_buff
*msg
= NULL
;
7574 struct cfg80211_mgmt_tx_params params
= {
7575 .dont_wait_for_ack
=
7576 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7579 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7582 if (!rdev
->ops
->mgmt_tx
)
7585 switch (wdev
->iftype
) {
7586 case NL80211_IFTYPE_P2P_DEVICE
:
7587 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7589 case NL80211_IFTYPE_STATION
:
7590 case NL80211_IFTYPE_ADHOC
:
7591 case NL80211_IFTYPE_P2P_CLIENT
:
7592 case NL80211_IFTYPE_AP
:
7593 case NL80211_IFTYPE_AP_VLAN
:
7594 case NL80211_IFTYPE_MESH_POINT
:
7595 case NL80211_IFTYPE_P2P_GO
:
7601 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7602 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7604 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7607 * We should wait on the channel for at least a minimum amount
7608 * of time (10ms) but no longer than the driver supports.
7610 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7611 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7616 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7618 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7621 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7623 /* get the channel if any has been specified, otherwise pass NULL to
7624 * the driver. The latter will use the current one
7626 chandef
.chan
= NULL
;
7627 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7628 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7633 if (!chandef
.chan
&& params
.offchan
)
7636 if (!params
.dont_wait_for_ack
) {
7637 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7641 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7649 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
7650 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
7651 params
.chan
= chandef
.chan
;
7652 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
7657 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7658 goto nla_put_failure
;
7660 genlmsg_end(msg
, hdr
);
7661 return genlmsg_reply(msg
, info
);
7673 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7675 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7676 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7679 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7682 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7685 switch (wdev
->iftype
) {
7686 case NL80211_IFTYPE_STATION
:
7687 case NL80211_IFTYPE_ADHOC
:
7688 case NL80211_IFTYPE_P2P_CLIENT
:
7689 case NL80211_IFTYPE_AP
:
7690 case NL80211_IFTYPE_AP_VLAN
:
7691 case NL80211_IFTYPE_P2P_GO
:
7692 case NL80211_IFTYPE_P2P_DEVICE
:
7698 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7700 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7703 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7705 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7706 struct wireless_dev
*wdev
;
7707 struct net_device
*dev
= info
->user_ptr
[1];
7712 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7715 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7717 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7720 wdev
= dev
->ieee80211_ptr
;
7722 if (!rdev
->ops
->set_power_mgmt
)
7725 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7727 if (state
== wdev
->ps
)
7730 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7736 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7738 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7739 enum nl80211_ps_state ps_state
;
7740 struct wireless_dev
*wdev
;
7741 struct net_device
*dev
= info
->user_ptr
[1];
7742 struct sk_buff
*msg
;
7746 wdev
= dev
->ieee80211_ptr
;
7748 if (!rdev
->ops
->set_power_mgmt
)
7751 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7755 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7756 NL80211_CMD_GET_POWER_SAVE
);
7763 ps_state
= NL80211_PS_ENABLED
;
7765 ps_state
= NL80211_PS_DISABLED
;
7767 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7768 goto nla_put_failure
;
7770 genlmsg_end(msg
, hdr
);
7771 return genlmsg_reply(msg
, info
);
7780 static struct nla_policy
7781 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
7782 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
7783 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
7784 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
7785 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
7786 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
7787 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
7790 static int nl80211_set_cqm_txe(struct genl_info
*info
,
7791 u32 rate
, u32 pkts
, u32 intvl
)
7793 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7794 struct net_device
*dev
= info
->user_ptr
[1];
7795 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7797 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
7800 if (!rdev
->ops
->set_cqm_txe_config
)
7803 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7804 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7807 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
7810 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
7811 s32 threshold
, u32 hysteresis
)
7813 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7814 struct net_device
*dev
= info
->user_ptr
[1];
7815 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7820 /* disabling - hysteresis should also be zero then */
7824 if (!rdev
->ops
->set_cqm_rssi_config
)
7827 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7828 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7831 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
7834 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
7836 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
7840 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
7844 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
7845 nl80211_attr_cqm_policy
);
7849 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
7850 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
7851 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
7852 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
7854 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
7857 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
7858 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
7859 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
7860 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
7861 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
7862 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
7864 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
7870 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7872 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7873 struct net_device
*dev
= info
->user_ptr
[1];
7874 struct mesh_config cfg
;
7875 struct mesh_setup setup
;
7878 /* start with default */
7879 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
7880 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
7882 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
7883 /* and parse parameters if given */
7884 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
7889 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
7890 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
7893 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7894 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7896 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7897 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
7898 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7901 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7902 setup
.beacon_interval
=
7903 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7904 if (setup
.beacon_interval
< 10 ||
7905 setup
.beacon_interval
> 10000)
7909 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
7911 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
7912 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
7916 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
7917 /* parse additional setup parameters if given */
7918 err
= nl80211_parse_mesh_setup(info
, &setup
);
7924 cfg
.auto_open_plinks
= false;
7926 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7927 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
7931 /* cfg80211_join_mesh() will sort it out */
7932 setup
.chandef
.chan
= NULL
;
7935 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7936 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7938 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7939 struct ieee80211_supported_band
*sband
;
7941 if (!setup
.chandef
.chan
)
7944 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
7946 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7947 &setup
.basic_rates
);
7952 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
7955 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7957 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7958 struct net_device
*dev
= info
->user_ptr
[1];
7960 return cfg80211_leave_mesh(rdev
, dev
);
7964 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
7965 struct cfg80211_registered_device
*rdev
)
7967 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
7968 struct nlattr
*nl_pats
, *nl_pat
;
7971 if (!wowlan
->n_patterns
)
7974 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
7978 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
7979 nl_pat
= nla_nest_start(msg
, i
+ 1);
7982 pat_len
= wowlan
->patterns
[i
].pattern_len
;
7983 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
7984 wowlan
->patterns
[i
].mask
) ||
7985 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
7986 wowlan
->patterns
[i
].pattern
) ||
7987 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
7988 wowlan
->patterns
[i
].pkt_offset
))
7990 nla_nest_end(msg
, nl_pat
);
7992 nla_nest_end(msg
, nl_pats
);
7997 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
7998 struct cfg80211_wowlan_tcp
*tcp
)
8000 struct nlattr
*nl_tcp
;
8005 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8009 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8010 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8011 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8012 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8013 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8014 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8015 tcp
->payload_len
, tcp
->payload
) ||
8016 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8017 tcp
->data_interval
) ||
8018 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8019 tcp
->wake_len
, tcp
->wake_data
) ||
8020 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8021 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8024 if (tcp
->payload_seq
.len
&&
8025 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8026 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8029 if (tcp
->payload_tok
.len
&&
8030 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8031 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8035 nla_nest_end(msg
, nl_tcp
);
8040 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8042 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8043 struct sk_buff
*msg
;
8045 u32 size
= NLMSG_DEFAULT_SIZE
;
8047 if (!rdev
->wiphy
.wowlan
)
8050 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8051 /* adjust size to have room for all the data */
8052 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8053 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8054 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8055 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8058 msg
= nlmsg_new(size
, GFP_KERNEL
);
8062 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8063 NL80211_CMD_GET_WOWLAN
);
8065 goto nla_put_failure
;
8067 if (rdev
->wiphy
.wowlan_config
) {
8068 struct nlattr
*nl_wowlan
;
8070 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8072 goto nla_put_failure
;
8074 if ((rdev
->wiphy
.wowlan_config
->any
&&
8075 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8076 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8077 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8078 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8079 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8080 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8081 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8082 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8083 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8084 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8085 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8086 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8087 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8088 goto nla_put_failure
;
8090 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8091 goto nla_put_failure
;
8093 if (nl80211_send_wowlan_tcp(msg
,
8094 rdev
->wiphy
.wowlan_config
->tcp
))
8095 goto nla_put_failure
;
8097 nla_nest_end(msg
, nl_wowlan
);
8100 genlmsg_end(msg
, hdr
);
8101 return genlmsg_reply(msg
, info
);
8108 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8109 struct nlattr
*attr
,
8110 struct cfg80211_wowlan
*trig
)
8112 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8113 struct cfg80211_wowlan_tcp
*cfg
;
8114 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8115 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8117 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8120 if (!rdev
->wiphy
.wowlan
->tcp
)
8123 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8124 nla_data(attr
), nla_len(attr
),
8125 nl80211_wowlan_tcp_policy
);
8129 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8130 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8131 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8132 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8133 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8134 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8135 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8136 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8139 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8140 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8143 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8144 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8145 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8148 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8149 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8152 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8153 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8156 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8157 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8159 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8160 tokens_size
= tokln
- sizeof(*tok
);
8162 if (!tok
->len
|| tokens_size
% tok
->len
)
8164 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8166 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8168 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8170 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8172 if (tok
->offset
+ tok
->len
> data_size
)
8176 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8177 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8178 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8180 if (seq
->len
== 0 || seq
->len
> 4)
8182 if (seq
->len
+ seq
->offset
> data_size
)
8186 size
= sizeof(*cfg
);
8188 size
+= wake_size
+ wake_mask_size
;
8189 size
+= tokens_size
;
8191 cfg
= kzalloc(size
, GFP_KERNEL
);
8194 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8195 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8196 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8198 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8199 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8203 /* allocate a socket and port for it and use it */
8204 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8205 IPPROTO_TCP
, &cfg
->sock
, 1);
8210 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8211 sock_release(cfg
->sock
);
8215 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8221 cfg
->src_port
= port
;
8224 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8225 cfg
->payload_len
= data_size
;
8226 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8227 memcpy((void *)cfg
->payload
,
8228 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8231 cfg
->payload_seq
= *seq
;
8232 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8233 cfg
->wake_len
= wake_size
;
8234 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8235 memcpy((void *)cfg
->wake_data
,
8236 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8238 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8239 data_size
+ wake_size
;
8240 memcpy((void *)cfg
->wake_mask
,
8241 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8244 cfg
->tokens_size
= tokens_size
;
8245 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8253 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8255 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8256 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8257 struct cfg80211_wowlan new_triggers
= {};
8258 struct cfg80211_wowlan
*ntrig
;
8259 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8261 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8266 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8267 cfg80211_rdev_free_wowlan(rdev
);
8268 rdev
->wiphy
.wowlan_config
= NULL
;
8272 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8273 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8274 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8275 nl80211_wowlan_policy
);
8279 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8280 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8282 new_triggers
.any
= true;
8285 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8286 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8288 new_triggers
.disconnect
= true;
8291 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8292 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8294 new_triggers
.magic_pkt
= true;
8297 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8300 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8301 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8303 new_triggers
.gtk_rekey_failure
= true;
8306 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8307 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8309 new_triggers
.eap_identity_req
= true;
8312 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8313 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8315 new_triggers
.four_way_handshake
= true;
8318 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8319 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8321 new_triggers
.rfkill_release
= true;
8324 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8327 int rem
, pat_len
, mask_len
, pkt_offset
;
8328 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8330 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8333 if (n_patterns
> wowlan
->n_patterns
)
8336 new_triggers
.patterns
= kcalloc(n_patterns
,
8337 sizeof(new_triggers
.patterns
[0]),
8339 if (!new_triggers
.patterns
)
8342 new_triggers
.n_patterns
= n_patterns
;
8345 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8347 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8348 nla_len(pat
), NULL
);
8350 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8351 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8353 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8354 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8355 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8357 if (pat_len
> wowlan
->pattern_max_len
||
8358 pat_len
< wowlan
->pattern_min_len
)
8361 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8364 pkt_offset
= nla_get_u32(
8365 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8366 if (pkt_offset
> wowlan
->max_pkt_offset
)
8368 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8370 new_triggers
.patterns
[i
].mask
=
8371 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8372 if (!new_triggers
.patterns
[i
].mask
) {
8376 new_triggers
.patterns
[i
].pattern
=
8377 new_triggers
.patterns
[i
].mask
+ mask_len
;
8378 memcpy(new_triggers
.patterns
[i
].mask
,
8379 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8381 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8382 memcpy(new_triggers
.patterns
[i
].pattern
,
8383 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8389 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8390 err
= nl80211_parse_wowlan_tcp(
8391 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8397 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8402 cfg80211_rdev_free_wowlan(rdev
);
8403 rdev
->wiphy
.wowlan_config
= ntrig
;
8406 if (rdev
->ops
->set_wakeup
&&
8407 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8408 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8412 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8413 kfree(new_triggers
.patterns
[i
].mask
);
8414 kfree(new_triggers
.patterns
);
8415 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8416 sock_release(new_triggers
.tcp
->sock
);
8417 kfree(new_triggers
.tcp
);
8422 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8423 struct cfg80211_registered_device
*rdev
)
8425 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8427 struct cfg80211_coalesce_rules
*rule
;
8429 if (!rdev
->coalesce
->n_rules
)
8432 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8436 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8437 nl_rule
= nla_nest_start(msg
, i
+ 1);
8441 rule
= &rdev
->coalesce
->rules
[i
];
8442 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8446 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8450 nl_pats
= nla_nest_start(msg
,
8451 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8455 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8456 nl_pat
= nla_nest_start(msg
, j
+ 1);
8459 pat_len
= rule
->patterns
[j
].pattern_len
;
8460 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8461 DIV_ROUND_UP(pat_len
, 8),
8462 rule
->patterns
[j
].mask
) ||
8463 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8464 rule
->patterns
[j
].pattern
) ||
8465 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8466 rule
->patterns
[j
].pkt_offset
))
8468 nla_nest_end(msg
, nl_pat
);
8470 nla_nest_end(msg
, nl_pats
);
8471 nla_nest_end(msg
, nl_rule
);
8473 nla_nest_end(msg
, nl_rules
);
8478 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8480 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8481 struct sk_buff
*msg
;
8484 if (!rdev
->wiphy
.coalesce
)
8487 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8491 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8492 NL80211_CMD_GET_COALESCE
);
8494 goto nla_put_failure
;
8496 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8497 goto nla_put_failure
;
8499 genlmsg_end(msg
, hdr
);
8500 return genlmsg_reply(msg
, info
);
8507 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8509 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8511 struct cfg80211_coalesce_rules
*rule
;
8516 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8517 rule
= &coalesce
->rules
[i
];
8518 for (j
= 0; j
< rule
->n_patterns
; j
++)
8519 kfree(rule
->patterns
[j
].mask
);
8520 kfree(rule
->patterns
);
8522 kfree(coalesce
->rules
);
8524 rdev
->coalesce
= NULL
;
8527 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8528 struct nlattr
*rule
,
8529 struct cfg80211_coalesce_rules
*new_rule
)
8532 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8533 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8534 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8535 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8537 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8538 nla_len(rule
), nl80211_coalesce_policy
);
8542 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8544 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8545 if (new_rule
->delay
> coalesce
->max_delay
)
8548 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8549 new_rule
->condition
=
8550 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8551 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8552 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8555 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8558 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8561 if (n_patterns
> coalesce
->n_patterns
)
8564 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8566 if (!new_rule
->patterns
)
8569 new_rule
->n_patterns
= n_patterns
;
8572 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8574 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8575 nla_len(pat
), NULL
);
8576 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8577 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8579 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8580 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8581 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8583 if (pat_len
> coalesce
->pattern_max_len
||
8584 pat_len
< coalesce
->pattern_min_len
)
8587 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8590 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8591 if (pkt_offset
> coalesce
->max_pkt_offset
)
8593 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8595 new_rule
->patterns
[i
].mask
=
8596 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8597 if (!new_rule
->patterns
[i
].mask
)
8599 new_rule
->patterns
[i
].pattern
=
8600 new_rule
->patterns
[i
].mask
+ mask_len
;
8601 memcpy(new_rule
->patterns
[i
].mask
,
8602 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]), mask_len
);
8603 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8604 memcpy(new_rule
->patterns
[i
].pattern
,
8605 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]), pat_len
);
8612 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8614 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8615 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8616 struct cfg80211_coalesce new_coalesce
= {};
8617 struct cfg80211_coalesce
*n_coalesce
;
8618 int err
, rem_rule
, n_rules
= 0, i
, j
;
8619 struct nlattr
*rule
;
8620 struct cfg80211_coalesce_rules
*tmp_rule
;
8622 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8625 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8626 cfg80211_rdev_free_coalesce(rdev
);
8627 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8631 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8634 if (n_rules
> coalesce
->n_rules
)
8637 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8639 if (!new_coalesce
.rules
)
8642 new_coalesce
.n_rules
= n_rules
;
8645 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8647 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8648 &new_coalesce
.rules
[i
]);
8655 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8659 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8664 cfg80211_rdev_free_coalesce(rdev
);
8665 rdev
->coalesce
= n_coalesce
;
8669 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8670 tmp_rule
= &new_coalesce
.rules
[i
];
8671 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8672 kfree(tmp_rule
->patterns
[j
].mask
);
8673 kfree(tmp_rule
->patterns
);
8675 kfree(new_coalesce
.rules
);
8680 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8682 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8683 struct net_device
*dev
= info
->user_ptr
[1];
8684 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8685 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8686 struct cfg80211_gtk_rekey_data rekey_data
;
8689 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8692 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8693 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8694 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8695 nl80211_rekey_policy
);
8699 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8701 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8703 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8706 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8708 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8710 memcpy(rekey_data
.replay_ctr
,
8711 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8712 NL80211_REPLAY_CTR_LEN
);
8715 if (!wdev
->current_bss
) {
8720 if (!rdev
->ops
->set_rekey_data
) {
8725 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8731 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8732 struct genl_info
*info
)
8734 struct net_device
*dev
= info
->user_ptr
[1];
8735 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8737 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8738 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8741 if (wdev
->ap_unexpected_nlportid
)
8744 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8748 static int nl80211_probe_client(struct sk_buff
*skb
,
8749 struct genl_info
*info
)
8751 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8752 struct net_device
*dev
= info
->user_ptr
[1];
8753 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8754 struct sk_buff
*msg
;
8760 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8761 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8764 if (!info
->attrs
[NL80211_ATTR_MAC
])
8767 if (!rdev
->ops
->probe_client
)
8770 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8774 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8775 NL80211_CMD_PROBE_CLIENT
);
8781 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8783 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
8787 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8788 goto nla_put_failure
;
8790 genlmsg_end(msg
, hdr
);
8792 return genlmsg_reply(msg
, info
);
8801 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
8803 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8804 struct cfg80211_beacon_registration
*reg
, *nreg
;
8807 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
8810 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
8814 /* First, check if already registered. */
8815 spin_lock_bh(&rdev
->beacon_registrations_lock
);
8816 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
8817 if (reg
->nlportid
== info
->snd_portid
) {
8822 /* Add it to the list */
8823 nreg
->nlportid
= info
->snd_portid
;
8824 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
8826 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8830 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8835 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8837 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8838 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8841 if (!rdev
->ops
->start_p2p_device
)
8844 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8847 if (wdev
->p2p_started
)
8850 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
8854 err
= rdev_start_p2p_device(rdev
, wdev
);
8858 wdev
->p2p_started
= true;
8864 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8866 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8867 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8869 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8872 if (!rdev
->ops
->stop_p2p_device
)
8875 cfg80211_stop_p2p_device(rdev
, wdev
);
8880 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
8881 struct genl_info
*info
)
8884 struct sk_buff
*msg
;
8886 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8890 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8891 NL80211_CMD_GET_PROTOCOL_FEATURES
);
8893 goto nla_put_failure
;
8895 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
8896 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
8897 goto nla_put_failure
;
8899 genlmsg_end(msg
, hdr
);
8900 return genlmsg_reply(msg
, info
);
8907 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
8909 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8910 struct cfg80211_update_ft_ies_params ft_params
;
8911 struct net_device
*dev
= info
->user_ptr
[1];
8913 if (!rdev
->ops
->update_ft_ies
)
8916 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
8917 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8920 memset(&ft_params
, 0, sizeof(ft_params
));
8921 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
8922 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8923 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8925 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
8928 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
8929 struct genl_info
*info
)
8931 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8932 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8933 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
8937 if (!rdev
->ops
->crit_proto_start
)
8940 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
8943 if (rdev
->crit_proto_nlportid
)
8946 /* determine protocol if provided */
8947 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
8948 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
8950 if (proto
>= NUM_NL80211_CRIT_PROTO
)
8953 /* timeout must be provided */
8954 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
8958 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
8960 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
8963 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
8965 rdev
->crit_proto_nlportid
= info
->snd_portid
;
8970 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
8971 struct genl_info
*info
)
8973 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8974 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8976 if (!rdev
->ops
->crit_proto_stop
)
8979 if (rdev
->crit_proto_nlportid
) {
8980 rdev
->crit_proto_nlportid
= 0;
8981 rdev_crit_proto_stop(rdev
, wdev
);
8986 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
8988 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8989 struct wireless_dev
*wdev
=
8990 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8994 if (!rdev
->wiphy
.vendor_commands
)
8998 err
= PTR_ERR(wdev
);
9002 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9006 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9007 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9010 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9011 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9012 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9013 const struct wiphy_vendor_command
*vcmd
;
9017 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9019 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9022 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9023 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9026 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9030 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9032 !netif_running(wdev
->netdev
))
9034 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9041 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9042 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9043 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9046 rdev
->cur_cmd_info
= info
;
9047 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9049 rdev
->cur_cmd_info
= NULL
;
9056 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9057 enum nl80211_commands cmd
,
9058 enum nl80211_attrs attr
,
9061 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
9063 if (WARN_ON(!rdev
->cur_cmd_info
))
9066 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9067 rdev
->cur_cmd_info
->snd_portid
,
9068 rdev
->cur_cmd_info
->snd_seq
,
9069 cmd
, attr
, NULL
, GFP_KERNEL
);
9071 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9073 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9075 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9076 void *hdr
= ((void **)skb
->cb
)[1];
9077 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9079 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9084 nla_nest_end(skb
, data
);
9085 genlmsg_end(skb
, hdr
);
9086 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9088 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9091 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9092 struct genl_info
*info
)
9094 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9095 struct cfg80211_qos_map
*qos_map
= NULL
;
9096 struct net_device
*dev
= info
->user_ptr
[1];
9097 u8
*pos
, len
, num_des
, des_len
, des
;
9100 if (!rdev
->ops
->set_qos_map
)
9103 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9104 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9105 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9107 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9108 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9111 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9115 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9118 sizeof(struct cfg80211_dscp_exception
);
9119 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9120 qos_map
->num_des
= num_des
;
9121 for (des
= 0; des
< num_des
; des
++) {
9122 if (qos_map
->dscp_exception
[des
].up
> 7) {
9129 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9132 wdev_lock(dev
->ieee80211_ptr
);
9133 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9135 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9136 wdev_unlock(dev
->ieee80211_ptr
);
9142 #define NL80211_FLAG_NEED_WIPHY 0x01
9143 #define NL80211_FLAG_NEED_NETDEV 0x02
9144 #define NL80211_FLAG_NEED_RTNL 0x04
9145 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9146 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9147 NL80211_FLAG_CHECK_NETDEV_UP)
9148 #define NL80211_FLAG_NEED_WDEV 0x10
9149 /* If a netdev is associated, it must be UP, P2P must be started */
9150 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9151 NL80211_FLAG_CHECK_NETDEV_UP)
9153 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9154 struct genl_info
*info
)
9156 struct cfg80211_registered_device
*rdev
;
9157 struct wireless_dev
*wdev
;
9158 struct net_device
*dev
;
9159 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9164 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9165 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9169 return PTR_ERR(rdev
);
9171 info
->user_ptr
[0] = rdev
;
9172 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9173 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9176 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9181 return PTR_ERR(wdev
);
9185 rdev
= wiphy_to_dev(wdev
->wiphy
);
9187 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9194 info
->user_ptr
[1] = dev
;
9196 info
->user_ptr
[1] = wdev
;
9200 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9201 !netif_running(dev
)) {
9208 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9209 if (!wdev
->p2p_started
) {
9216 info
->user_ptr
[0] = rdev
;
9222 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9223 struct genl_info
*info
)
9225 if (info
->user_ptr
[1]) {
9226 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9227 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9230 dev_put(wdev
->netdev
);
9232 dev_put(info
->user_ptr
[1]);
9235 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9239 static const struct genl_ops nl80211_ops
[] = {
9241 .cmd
= NL80211_CMD_GET_WIPHY
,
9242 .doit
= nl80211_get_wiphy
,
9243 .dumpit
= nl80211_dump_wiphy
,
9244 .done
= nl80211_dump_wiphy_done
,
9245 .policy
= nl80211_policy
,
9246 /* can be retrieved by unprivileged users */
9247 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9248 NL80211_FLAG_NEED_RTNL
,
9251 .cmd
= NL80211_CMD_SET_WIPHY
,
9252 .doit
= nl80211_set_wiphy
,
9253 .policy
= nl80211_policy
,
9254 .flags
= GENL_ADMIN_PERM
,
9255 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9258 .cmd
= NL80211_CMD_GET_INTERFACE
,
9259 .doit
= nl80211_get_interface
,
9260 .dumpit
= nl80211_dump_interface
,
9261 .policy
= nl80211_policy
,
9262 /* can be retrieved by unprivileged users */
9263 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9264 NL80211_FLAG_NEED_RTNL
,
9267 .cmd
= NL80211_CMD_SET_INTERFACE
,
9268 .doit
= nl80211_set_interface
,
9269 .policy
= nl80211_policy
,
9270 .flags
= GENL_ADMIN_PERM
,
9271 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9272 NL80211_FLAG_NEED_RTNL
,
9275 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9276 .doit
= nl80211_new_interface
,
9277 .policy
= nl80211_policy
,
9278 .flags
= GENL_ADMIN_PERM
,
9279 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9280 NL80211_FLAG_NEED_RTNL
,
9283 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9284 .doit
= nl80211_del_interface
,
9285 .policy
= nl80211_policy
,
9286 .flags
= GENL_ADMIN_PERM
,
9287 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9288 NL80211_FLAG_NEED_RTNL
,
9291 .cmd
= NL80211_CMD_GET_KEY
,
9292 .doit
= nl80211_get_key
,
9293 .policy
= nl80211_policy
,
9294 .flags
= GENL_ADMIN_PERM
,
9295 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9296 NL80211_FLAG_NEED_RTNL
,
9299 .cmd
= NL80211_CMD_SET_KEY
,
9300 .doit
= nl80211_set_key
,
9301 .policy
= nl80211_policy
,
9302 .flags
= GENL_ADMIN_PERM
,
9303 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9304 NL80211_FLAG_NEED_RTNL
,
9307 .cmd
= NL80211_CMD_NEW_KEY
,
9308 .doit
= nl80211_new_key
,
9309 .policy
= nl80211_policy
,
9310 .flags
= GENL_ADMIN_PERM
,
9311 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9312 NL80211_FLAG_NEED_RTNL
,
9315 .cmd
= NL80211_CMD_DEL_KEY
,
9316 .doit
= nl80211_del_key
,
9317 .policy
= nl80211_policy
,
9318 .flags
= GENL_ADMIN_PERM
,
9319 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9320 NL80211_FLAG_NEED_RTNL
,
9323 .cmd
= NL80211_CMD_SET_BEACON
,
9324 .policy
= nl80211_policy
,
9325 .flags
= GENL_ADMIN_PERM
,
9326 .doit
= nl80211_set_beacon
,
9327 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9328 NL80211_FLAG_NEED_RTNL
,
9331 .cmd
= NL80211_CMD_START_AP
,
9332 .policy
= nl80211_policy
,
9333 .flags
= GENL_ADMIN_PERM
,
9334 .doit
= nl80211_start_ap
,
9335 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9336 NL80211_FLAG_NEED_RTNL
,
9339 .cmd
= NL80211_CMD_STOP_AP
,
9340 .policy
= nl80211_policy
,
9341 .flags
= GENL_ADMIN_PERM
,
9342 .doit
= nl80211_stop_ap
,
9343 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9344 NL80211_FLAG_NEED_RTNL
,
9347 .cmd
= NL80211_CMD_GET_STATION
,
9348 .doit
= nl80211_get_station
,
9349 .dumpit
= nl80211_dump_station
,
9350 .policy
= nl80211_policy
,
9351 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9352 NL80211_FLAG_NEED_RTNL
,
9355 .cmd
= NL80211_CMD_SET_STATION
,
9356 .doit
= nl80211_set_station
,
9357 .policy
= nl80211_policy
,
9358 .flags
= GENL_ADMIN_PERM
,
9359 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9360 NL80211_FLAG_NEED_RTNL
,
9363 .cmd
= NL80211_CMD_NEW_STATION
,
9364 .doit
= nl80211_new_station
,
9365 .policy
= nl80211_policy
,
9366 .flags
= GENL_ADMIN_PERM
,
9367 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9368 NL80211_FLAG_NEED_RTNL
,
9371 .cmd
= NL80211_CMD_DEL_STATION
,
9372 .doit
= nl80211_del_station
,
9373 .policy
= nl80211_policy
,
9374 .flags
= GENL_ADMIN_PERM
,
9375 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9376 NL80211_FLAG_NEED_RTNL
,
9379 .cmd
= NL80211_CMD_GET_MPATH
,
9380 .doit
= nl80211_get_mpath
,
9381 .dumpit
= nl80211_dump_mpath
,
9382 .policy
= nl80211_policy
,
9383 .flags
= GENL_ADMIN_PERM
,
9384 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9385 NL80211_FLAG_NEED_RTNL
,
9388 .cmd
= NL80211_CMD_SET_MPATH
,
9389 .doit
= nl80211_set_mpath
,
9390 .policy
= nl80211_policy
,
9391 .flags
= GENL_ADMIN_PERM
,
9392 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9393 NL80211_FLAG_NEED_RTNL
,
9396 .cmd
= NL80211_CMD_NEW_MPATH
,
9397 .doit
= nl80211_new_mpath
,
9398 .policy
= nl80211_policy
,
9399 .flags
= GENL_ADMIN_PERM
,
9400 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9401 NL80211_FLAG_NEED_RTNL
,
9404 .cmd
= NL80211_CMD_DEL_MPATH
,
9405 .doit
= nl80211_del_mpath
,
9406 .policy
= nl80211_policy
,
9407 .flags
= GENL_ADMIN_PERM
,
9408 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9409 NL80211_FLAG_NEED_RTNL
,
9412 .cmd
= NL80211_CMD_SET_BSS
,
9413 .doit
= nl80211_set_bss
,
9414 .policy
= nl80211_policy
,
9415 .flags
= GENL_ADMIN_PERM
,
9416 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9417 NL80211_FLAG_NEED_RTNL
,
9420 .cmd
= NL80211_CMD_GET_REG
,
9421 .doit
= nl80211_get_reg
,
9422 .policy
= nl80211_policy
,
9423 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9424 /* can be retrieved by unprivileged users */
9427 .cmd
= NL80211_CMD_SET_REG
,
9428 .doit
= nl80211_set_reg
,
9429 .policy
= nl80211_policy
,
9430 .flags
= GENL_ADMIN_PERM
,
9431 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9434 .cmd
= NL80211_CMD_REQ_SET_REG
,
9435 .doit
= nl80211_req_set_reg
,
9436 .policy
= nl80211_policy
,
9437 .flags
= GENL_ADMIN_PERM
,
9440 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9441 .doit
= nl80211_get_mesh_config
,
9442 .policy
= nl80211_policy
,
9443 /* can be retrieved by unprivileged users */
9444 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9445 NL80211_FLAG_NEED_RTNL
,
9448 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9449 .doit
= nl80211_update_mesh_config
,
9450 .policy
= nl80211_policy
,
9451 .flags
= GENL_ADMIN_PERM
,
9452 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9453 NL80211_FLAG_NEED_RTNL
,
9456 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9457 .doit
= nl80211_trigger_scan
,
9458 .policy
= nl80211_policy
,
9459 .flags
= GENL_ADMIN_PERM
,
9460 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9461 NL80211_FLAG_NEED_RTNL
,
9464 .cmd
= NL80211_CMD_GET_SCAN
,
9465 .policy
= nl80211_policy
,
9466 .dumpit
= nl80211_dump_scan
,
9469 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9470 .doit
= nl80211_start_sched_scan
,
9471 .policy
= nl80211_policy
,
9472 .flags
= GENL_ADMIN_PERM
,
9473 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9474 NL80211_FLAG_NEED_RTNL
,
9477 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9478 .doit
= nl80211_stop_sched_scan
,
9479 .policy
= nl80211_policy
,
9480 .flags
= GENL_ADMIN_PERM
,
9481 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9482 NL80211_FLAG_NEED_RTNL
,
9485 .cmd
= NL80211_CMD_AUTHENTICATE
,
9486 .doit
= nl80211_authenticate
,
9487 .policy
= nl80211_policy
,
9488 .flags
= GENL_ADMIN_PERM
,
9489 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9490 NL80211_FLAG_NEED_RTNL
,
9493 .cmd
= NL80211_CMD_ASSOCIATE
,
9494 .doit
= nl80211_associate
,
9495 .policy
= nl80211_policy
,
9496 .flags
= GENL_ADMIN_PERM
,
9497 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9498 NL80211_FLAG_NEED_RTNL
,
9501 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9502 .doit
= nl80211_deauthenticate
,
9503 .policy
= nl80211_policy
,
9504 .flags
= GENL_ADMIN_PERM
,
9505 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9506 NL80211_FLAG_NEED_RTNL
,
9509 .cmd
= NL80211_CMD_DISASSOCIATE
,
9510 .doit
= nl80211_disassociate
,
9511 .policy
= nl80211_policy
,
9512 .flags
= GENL_ADMIN_PERM
,
9513 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9514 NL80211_FLAG_NEED_RTNL
,
9517 .cmd
= NL80211_CMD_JOIN_IBSS
,
9518 .doit
= nl80211_join_ibss
,
9519 .policy
= nl80211_policy
,
9520 .flags
= GENL_ADMIN_PERM
,
9521 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9522 NL80211_FLAG_NEED_RTNL
,
9525 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9526 .doit
= nl80211_leave_ibss
,
9527 .policy
= nl80211_policy
,
9528 .flags
= GENL_ADMIN_PERM
,
9529 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9530 NL80211_FLAG_NEED_RTNL
,
9532 #ifdef CONFIG_NL80211_TESTMODE
9534 .cmd
= NL80211_CMD_TESTMODE
,
9535 .doit
= nl80211_testmode_do
,
9536 .dumpit
= nl80211_testmode_dump
,
9537 .policy
= nl80211_policy
,
9538 .flags
= GENL_ADMIN_PERM
,
9539 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9540 NL80211_FLAG_NEED_RTNL
,
9544 .cmd
= NL80211_CMD_CONNECT
,
9545 .doit
= nl80211_connect
,
9546 .policy
= nl80211_policy
,
9547 .flags
= GENL_ADMIN_PERM
,
9548 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9549 NL80211_FLAG_NEED_RTNL
,
9552 .cmd
= NL80211_CMD_DISCONNECT
,
9553 .doit
= nl80211_disconnect
,
9554 .policy
= nl80211_policy
,
9555 .flags
= GENL_ADMIN_PERM
,
9556 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9557 NL80211_FLAG_NEED_RTNL
,
9560 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9561 .doit
= nl80211_wiphy_netns
,
9562 .policy
= nl80211_policy
,
9563 .flags
= GENL_ADMIN_PERM
,
9564 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9565 NL80211_FLAG_NEED_RTNL
,
9568 .cmd
= NL80211_CMD_GET_SURVEY
,
9569 .policy
= nl80211_policy
,
9570 .dumpit
= nl80211_dump_survey
,
9573 .cmd
= NL80211_CMD_SET_PMKSA
,
9574 .doit
= nl80211_setdel_pmksa
,
9575 .policy
= nl80211_policy
,
9576 .flags
= GENL_ADMIN_PERM
,
9577 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9578 NL80211_FLAG_NEED_RTNL
,
9581 .cmd
= NL80211_CMD_DEL_PMKSA
,
9582 .doit
= nl80211_setdel_pmksa
,
9583 .policy
= nl80211_policy
,
9584 .flags
= GENL_ADMIN_PERM
,
9585 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9586 NL80211_FLAG_NEED_RTNL
,
9589 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9590 .doit
= nl80211_flush_pmksa
,
9591 .policy
= nl80211_policy
,
9592 .flags
= GENL_ADMIN_PERM
,
9593 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9594 NL80211_FLAG_NEED_RTNL
,
9597 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9598 .doit
= nl80211_remain_on_channel
,
9599 .policy
= nl80211_policy
,
9600 .flags
= GENL_ADMIN_PERM
,
9601 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9602 NL80211_FLAG_NEED_RTNL
,
9605 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9606 .doit
= nl80211_cancel_remain_on_channel
,
9607 .policy
= nl80211_policy
,
9608 .flags
= GENL_ADMIN_PERM
,
9609 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9610 NL80211_FLAG_NEED_RTNL
,
9613 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9614 .doit
= nl80211_set_tx_bitrate_mask
,
9615 .policy
= nl80211_policy
,
9616 .flags
= GENL_ADMIN_PERM
,
9617 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9618 NL80211_FLAG_NEED_RTNL
,
9621 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9622 .doit
= nl80211_register_mgmt
,
9623 .policy
= nl80211_policy
,
9624 .flags
= GENL_ADMIN_PERM
,
9625 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9626 NL80211_FLAG_NEED_RTNL
,
9629 .cmd
= NL80211_CMD_FRAME
,
9630 .doit
= nl80211_tx_mgmt
,
9631 .policy
= nl80211_policy
,
9632 .flags
= GENL_ADMIN_PERM
,
9633 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9634 NL80211_FLAG_NEED_RTNL
,
9637 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9638 .doit
= nl80211_tx_mgmt_cancel_wait
,
9639 .policy
= nl80211_policy
,
9640 .flags
= GENL_ADMIN_PERM
,
9641 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9642 NL80211_FLAG_NEED_RTNL
,
9645 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9646 .doit
= nl80211_set_power_save
,
9647 .policy
= nl80211_policy
,
9648 .flags
= GENL_ADMIN_PERM
,
9649 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9650 NL80211_FLAG_NEED_RTNL
,
9653 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9654 .doit
= nl80211_get_power_save
,
9655 .policy
= nl80211_policy
,
9656 /* can be retrieved by unprivileged users */
9657 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9658 NL80211_FLAG_NEED_RTNL
,
9661 .cmd
= NL80211_CMD_SET_CQM
,
9662 .doit
= nl80211_set_cqm
,
9663 .policy
= nl80211_policy
,
9664 .flags
= GENL_ADMIN_PERM
,
9665 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9666 NL80211_FLAG_NEED_RTNL
,
9669 .cmd
= NL80211_CMD_SET_CHANNEL
,
9670 .doit
= nl80211_set_channel
,
9671 .policy
= nl80211_policy
,
9672 .flags
= GENL_ADMIN_PERM
,
9673 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9674 NL80211_FLAG_NEED_RTNL
,
9677 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9678 .doit
= nl80211_set_wds_peer
,
9679 .policy
= nl80211_policy
,
9680 .flags
= GENL_ADMIN_PERM
,
9681 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9682 NL80211_FLAG_NEED_RTNL
,
9685 .cmd
= NL80211_CMD_JOIN_MESH
,
9686 .doit
= nl80211_join_mesh
,
9687 .policy
= nl80211_policy
,
9688 .flags
= GENL_ADMIN_PERM
,
9689 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9690 NL80211_FLAG_NEED_RTNL
,
9693 .cmd
= NL80211_CMD_LEAVE_MESH
,
9694 .doit
= nl80211_leave_mesh
,
9695 .policy
= nl80211_policy
,
9696 .flags
= GENL_ADMIN_PERM
,
9697 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9698 NL80211_FLAG_NEED_RTNL
,
9702 .cmd
= NL80211_CMD_GET_WOWLAN
,
9703 .doit
= nl80211_get_wowlan
,
9704 .policy
= nl80211_policy
,
9705 /* can be retrieved by unprivileged users */
9706 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9707 NL80211_FLAG_NEED_RTNL
,
9710 .cmd
= NL80211_CMD_SET_WOWLAN
,
9711 .doit
= nl80211_set_wowlan
,
9712 .policy
= nl80211_policy
,
9713 .flags
= GENL_ADMIN_PERM
,
9714 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9715 NL80211_FLAG_NEED_RTNL
,
9719 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9720 .doit
= nl80211_set_rekey_data
,
9721 .policy
= nl80211_policy
,
9722 .flags
= GENL_ADMIN_PERM
,
9723 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9724 NL80211_FLAG_NEED_RTNL
,
9727 .cmd
= NL80211_CMD_TDLS_MGMT
,
9728 .doit
= nl80211_tdls_mgmt
,
9729 .policy
= nl80211_policy
,
9730 .flags
= GENL_ADMIN_PERM
,
9731 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9732 NL80211_FLAG_NEED_RTNL
,
9735 .cmd
= NL80211_CMD_TDLS_OPER
,
9736 .doit
= nl80211_tdls_oper
,
9737 .policy
= nl80211_policy
,
9738 .flags
= GENL_ADMIN_PERM
,
9739 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9740 NL80211_FLAG_NEED_RTNL
,
9743 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9744 .doit
= nl80211_register_unexpected_frame
,
9745 .policy
= nl80211_policy
,
9746 .flags
= GENL_ADMIN_PERM
,
9747 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9748 NL80211_FLAG_NEED_RTNL
,
9751 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9752 .doit
= nl80211_probe_client
,
9753 .policy
= nl80211_policy
,
9754 .flags
= GENL_ADMIN_PERM
,
9755 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9756 NL80211_FLAG_NEED_RTNL
,
9759 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9760 .doit
= nl80211_register_beacons
,
9761 .policy
= nl80211_policy
,
9762 .flags
= GENL_ADMIN_PERM
,
9763 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9764 NL80211_FLAG_NEED_RTNL
,
9767 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9768 .doit
= nl80211_set_noack_map
,
9769 .policy
= nl80211_policy
,
9770 .flags
= GENL_ADMIN_PERM
,
9771 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9772 NL80211_FLAG_NEED_RTNL
,
9775 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
9776 .doit
= nl80211_start_p2p_device
,
9777 .policy
= nl80211_policy
,
9778 .flags
= GENL_ADMIN_PERM
,
9779 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9780 NL80211_FLAG_NEED_RTNL
,
9783 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
9784 .doit
= nl80211_stop_p2p_device
,
9785 .policy
= nl80211_policy
,
9786 .flags
= GENL_ADMIN_PERM
,
9787 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9788 NL80211_FLAG_NEED_RTNL
,
9791 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
9792 .doit
= nl80211_set_mcast_rate
,
9793 .policy
= nl80211_policy
,
9794 .flags
= GENL_ADMIN_PERM
,
9795 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9796 NL80211_FLAG_NEED_RTNL
,
9799 .cmd
= NL80211_CMD_SET_MAC_ACL
,
9800 .doit
= nl80211_set_mac_acl
,
9801 .policy
= nl80211_policy
,
9802 .flags
= GENL_ADMIN_PERM
,
9803 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9804 NL80211_FLAG_NEED_RTNL
,
9807 .cmd
= NL80211_CMD_RADAR_DETECT
,
9808 .doit
= nl80211_start_radar_detection
,
9809 .policy
= nl80211_policy
,
9810 .flags
= GENL_ADMIN_PERM
,
9811 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9812 NL80211_FLAG_NEED_RTNL
,
9815 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
9816 .doit
= nl80211_get_protocol_features
,
9817 .policy
= nl80211_policy
,
9820 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
9821 .doit
= nl80211_update_ft_ies
,
9822 .policy
= nl80211_policy
,
9823 .flags
= GENL_ADMIN_PERM
,
9824 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9825 NL80211_FLAG_NEED_RTNL
,
9828 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
9829 .doit
= nl80211_crit_protocol_start
,
9830 .policy
= nl80211_policy
,
9831 .flags
= GENL_ADMIN_PERM
,
9832 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9833 NL80211_FLAG_NEED_RTNL
,
9836 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
9837 .doit
= nl80211_crit_protocol_stop
,
9838 .policy
= nl80211_policy
,
9839 .flags
= GENL_ADMIN_PERM
,
9840 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9841 NL80211_FLAG_NEED_RTNL
,
9844 .cmd
= NL80211_CMD_GET_COALESCE
,
9845 .doit
= nl80211_get_coalesce
,
9846 .policy
= nl80211_policy
,
9847 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9848 NL80211_FLAG_NEED_RTNL
,
9851 .cmd
= NL80211_CMD_SET_COALESCE
,
9852 .doit
= nl80211_set_coalesce
,
9853 .policy
= nl80211_policy
,
9854 .flags
= GENL_ADMIN_PERM
,
9855 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9856 NL80211_FLAG_NEED_RTNL
,
9859 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
9860 .doit
= nl80211_channel_switch
,
9861 .policy
= nl80211_policy
,
9862 .flags
= GENL_ADMIN_PERM
,
9863 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9864 NL80211_FLAG_NEED_RTNL
,
9867 .cmd
= NL80211_CMD_VENDOR
,
9868 .doit
= nl80211_vendor_cmd
,
9869 .policy
= nl80211_policy
,
9870 .flags
= GENL_ADMIN_PERM
,
9871 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9872 NL80211_FLAG_NEED_RTNL
,
9875 .cmd
= NL80211_CMD_SET_QOS_MAP
,
9876 .doit
= nl80211_set_qos_map
,
9877 .policy
= nl80211_policy
,
9878 .flags
= GENL_ADMIN_PERM
,
9879 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9880 NL80211_FLAG_NEED_RTNL
,
9884 /* notification functions */
9886 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
9888 struct sk_buff
*msg
;
9889 struct nl80211_dump_wiphy_state state
= {};
9891 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9895 if (nl80211_send_wiphy(rdev
, msg
, 0, 0, 0, &state
) < 0) {
9900 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9901 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
9904 static int nl80211_add_scan_req(struct sk_buff
*msg
,
9905 struct cfg80211_registered_device
*rdev
)
9907 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
9908 struct nlattr
*nest
;
9914 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
9916 goto nla_put_failure
;
9917 for (i
= 0; i
< req
->n_ssids
; i
++) {
9918 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
9919 goto nla_put_failure
;
9921 nla_nest_end(msg
, nest
);
9923 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9925 goto nla_put_failure
;
9926 for (i
= 0; i
< req
->n_channels
; i
++) {
9927 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
9928 goto nla_put_failure
;
9930 nla_nest_end(msg
, nest
);
9933 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
9934 goto nla_put_failure
;
9937 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
9938 goto nla_put_failure
;
9945 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
9946 struct cfg80211_registered_device
*rdev
,
9947 struct wireless_dev
*wdev
,
9948 u32 portid
, u32 seq
, int flags
,
9953 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9957 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9958 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9959 wdev
->netdev
->ifindex
)) ||
9960 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
9961 goto nla_put_failure
;
9963 /* ignore errors and send incomplete event anyway */
9964 nl80211_add_scan_req(msg
, rdev
);
9966 return genlmsg_end(msg
, hdr
);
9969 genlmsg_cancel(msg
, hdr
);
9974 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
9975 struct cfg80211_registered_device
*rdev
,
9976 struct net_device
*netdev
,
9977 u32 portid
, u32 seq
, int flags
, u32 cmd
)
9981 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9985 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9986 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9987 goto nla_put_failure
;
9989 return genlmsg_end(msg
, hdr
);
9992 genlmsg_cancel(msg
, hdr
);
9996 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
9997 struct wireless_dev
*wdev
)
9999 struct sk_buff
*msg
;
10001 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10005 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10006 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10011 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10012 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10015 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10016 struct wireless_dev
*wdev
, bool aborted
)
10018 struct sk_buff
*msg
;
10020 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10024 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10025 aborted
? NL80211_CMD_SCAN_ABORTED
:
10026 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10034 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10035 struct sk_buff
*msg
)
10040 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10041 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10044 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10045 struct net_device
*netdev
)
10047 struct sk_buff
*msg
;
10049 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10053 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10054 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10059 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10060 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10063 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10064 struct net_device
*netdev
, u32 cmd
)
10066 struct sk_buff
*msg
;
10068 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10072 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10077 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10078 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10082 * This can happen on global regulatory changes or device specific settings
10083 * based on custom world regulatory domains.
10085 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10087 struct sk_buff
*msg
;
10090 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10094 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10100 /* Userspace can always count this one always being set */
10101 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10102 goto nla_put_failure
;
10104 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10105 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10106 NL80211_REGDOM_TYPE_WORLD
))
10107 goto nla_put_failure
;
10108 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10109 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10110 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10111 goto nla_put_failure
;
10112 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10113 request
->intersect
) {
10114 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10115 NL80211_REGDOM_TYPE_INTERSECTION
))
10116 goto nla_put_failure
;
10118 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10119 NL80211_REGDOM_TYPE_COUNTRY
) ||
10120 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10122 goto nla_put_failure
;
10125 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10126 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10127 goto nla_put_failure
;
10129 genlmsg_end(msg
, hdr
);
10132 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10133 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10139 genlmsg_cancel(msg
, hdr
);
10143 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
10144 struct net_device
*netdev
,
10145 const u8
*buf
, size_t len
,
10146 enum nl80211_commands cmd
, gfp_t gfp
)
10148 struct sk_buff
*msg
;
10151 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10155 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10161 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10162 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10163 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10164 goto nla_put_failure
;
10166 genlmsg_end(msg
, hdr
);
10168 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10169 NL80211_MCGRP_MLME
, gfp
);
10173 genlmsg_cancel(msg
, hdr
);
10177 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
10178 struct net_device
*netdev
, const u8
*buf
,
10179 size_t len
, gfp_t gfp
)
10181 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10182 NL80211_CMD_AUTHENTICATE
, gfp
);
10185 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
10186 struct net_device
*netdev
, const u8
*buf
,
10187 size_t len
, gfp_t gfp
)
10189 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10190 NL80211_CMD_ASSOCIATE
, gfp
);
10193 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
10194 struct net_device
*netdev
, const u8
*buf
,
10195 size_t len
, gfp_t gfp
)
10197 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10198 NL80211_CMD_DEAUTHENTICATE
, gfp
);
10201 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
10202 struct net_device
*netdev
, const u8
*buf
,
10203 size_t len
, gfp_t gfp
)
10205 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10206 NL80211_CMD_DISASSOCIATE
, gfp
);
10209 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
10212 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10213 struct wiphy
*wiphy
= wdev
->wiphy
;
10214 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10215 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
10218 if (WARN_ON(len
< 2))
10221 if (ieee80211_is_deauth(mgmt
->frame_control
))
10222 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
10224 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
10226 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
10227 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
10229 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
10231 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
10232 struct net_device
*netdev
, int cmd
,
10233 const u8
*addr
, gfp_t gfp
)
10235 struct sk_buff
*msg
;
10238 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10242 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10248 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10249 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10250 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
10251 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10252 goto nla_put_failure
;
10254 genlmsg_end(msg
, hdr
);
10256 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10257 NL80211_MCGRP_MLME
, gfp
);
10261 genlmsg_cancel(msg
, hdr
);
10265 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10266 struct net_device
*netdev
, const u8
*addr
,
10269 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10273 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10274 struct net_device
*netdev
, const u8
*addr
,
10277 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10281 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10282 struct net_device
*netdev
, const u8
*bssid
,
10283 const u8
*req_ie
, size_t req_ie_len
,
10284 const u8
*resp_ie
, size_t resp_ie_len
,
10285 u16 status
, gfp_t gfp
)
10287 struct sk_buff
*msg
;
10290 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10294 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10300 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10301 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10302 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10303 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10305 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10307 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10308 goto nla_put_failure
;
10310 genlmsg_end(msg
, hdr
);
10312 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10313 NL80211_MCGRP_MLME
, gfp
);
10317 genlmsg_cancel(msg
, hdr
);
10322 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10323 struct net_device
*netdev
, const u8
*bssid
,
10324 const u8
*req_ie
, size_t req_ie_len
,
10325 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10327 struct sk_buff
*msg
;
10330 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10334 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10340 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10341 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10342 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10344 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10346 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10347 goto nla_put_failure
;
10349 genlmsg_end(msg
, hdr
);
10351 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10352 NL80211_MCGRP_MLME
, gfp
);
10356 genlmsg_cancel(msg
, hdr
);
10361 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10362 struct net_device
*netdev
, u16 reason
,
10363 const u8
*ie
, size_t ie_len
, bool from_ap
)
10365 struct sk_buff
*msg
;
10368 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10372 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10378 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10379 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10380 (from_ap
&& reason
&&
10381 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10383 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10384 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10385 goto nla_put_failure
;
10387 genlmsg_end(msg
, hdr
);
10389 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10390 NL80211_MCGRP_MLME
, GFP_KERNEL
);
10394 genlmsg_cancel(msg
, hdr
);
10399 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10400 struct net_device
*netdev
, const u8
*bssid
,
10403 struct sk_buff
*msg
;
10406 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10410 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10416 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10417 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10418 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10419 goto nla_put_failure
;
10421 genlmsg_end(msg
, hdr
);
10423 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10424 NL80211_MCGRP_MLME
, gfp
);
10428 genlmsg_cancel(msg
, hdr
);
10432 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10433 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10435 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10436 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10437 struct sk_buff
*msg
;
10440 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10443 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10445 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10449 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10455 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10456 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10457 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10459 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10460 goto nla_put_failure
;
10462 genlmsg_end(msg
, hdr
);
10464 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10465 NL80211_MCGRP_MLME
, gfp
);
10469 genlmsg_cancel(msg
, hdr
);
10472 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10474 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10475 struct net_device
*netdev
, const u8
*addr
,
10476 enum nl80211_key_type key_type
, int key_id
,
10477 const u8
*tsc
, gfp_t gfp
)
10479 struct sk_buff
*msg
;
10482 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10486 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10492 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10493 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10494 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10495 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10497 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10498 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10499 goto nla_put_failure
;
10501 genlmsg_end(msg
, hdr
);
10503 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10504 NL80211_MCGRP_MLME
, gfp
);
10508 genlmsg_cancel(msg
, hdr
);
10512 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10513 struct ieee80211_channel
*channel_before
,
10514 struct ieee80211_channel
*channel_after
)
10516 struct sk_buff
*msg
;
10518 struct nlattr
*nl_freq
;
10520 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10524 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10531 * Since we are applying the beacon hint to a wiphy we know its
10532 * wiphy_idx is valid
10534 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10535 goto nla_put_failure
;
10538 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10540 goto nla_put_failure
;
10541 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10542 goto nla_put_failure
;
10543 nla_nest_end(msg
, nl_freq
);
10546 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10548 goto nla_put_failure
;
10549 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10550 goto nla_put_failure
;
10551 nla_nest_end(msg
, nl_freq
);
10553 genlmsg_end(msg
, hdr
);
10556 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10557 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10563 genlmsg_cancel(msg
, hdr
);
10567 static void nl80211_send_remain_on_chan_event(
10568 int cmd
, struct cfg80211_registered_device
*rdev
,
10569 struct wireless_dev
*wdev
, u64 cookie
,
10570 struct ieee80211_channel
*chan
,
10571 unsigned int duration
, gfp_t gfp
)
10573 struct sk_buff
*msg
;
10576 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10580 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10586 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10587 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10588 wdev
->netdev
->ifindex
)) ||
10589 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10590 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10591 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10592 NL80211_CHAN_NO_HT
) ||
10593 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10594 goto nla_put_failure
;
10596 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10597 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10598 goto nla_put_failure
;
10600 genlmsg_end(msg
, hdr
);
10602 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10603 NL80211_MCGRP_MLME
, gfp
);
10607 genlmsg_cancel(msg
, hdr
);
10611 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10612 struct ieee80211_channel
*chan
,
10613 unsigned int duration
, gfp_t gfp
)
10615 struct wiphy
*wiphy
= wdev
->wiphy
;
10616 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10618 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10619 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10620 rdev
, wdev
, cookie
, chan
,
10623 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10625 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10626 struct ieee80211_channel
*chan
,
10629 struct wiphy
*wiphy
= wdev
->wiphy
;
10630 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10632 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10633 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10634 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10636 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10638 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10639 struct station_info
*sinfo
, gfp_t gfp
)
10641 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10642 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10643 struct sk_buff
*msg
;
10645 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10647 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10651 if (nl80211_send_station(msg
, 0, 0, 0,
10652 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10657 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10658 NL80211_MCGRP_MLME
, gfp
);
10660 EXPORT_SYMBOL(cfg80211_new_sta
);
10662 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10664 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10665 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10666 struct sk_buff
*msg
;
10669 trace_cfg80211_del_sta(dev
, mac_addr
);
10671 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10675 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10681 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10682 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10683 goto nla_put_failure
;
10685 genlmsg_end(msg
, hdr
);
10687 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10688 NL80211_MCGRP_MLME
, gfp
);
10692 genlmsg_cancel(msg
, hdr
);
10695 EXPORT_SYMBOL(cfg80211_del_sta
);
10697 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10698 enum nl80211_connect_failed_reason reason
,
10701 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10702 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10703 struct sk_buff
*msg
;
10706 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10710 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10716 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10717 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10718 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10719 goto nla_put_failure
;
10721 genlmsg_end(msg
, hdr
);
10723 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10724 NL80211_MCGRP_MLME
, gfp
);
10728 genlmsg_cancel(msg
, hdr
);
10731 EXPORT_SYMBOL(cfg80211_conn_failed
);
10733 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10734 const u8
*addr
, gfp_t gfp
)
10736 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10737 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10738 struct sk_buff
*msg
;
10740 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10745 msg
= nlmsg_new(100, gfp
);
10749 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10755 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10756 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10757 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10758 goto nla_put_failure
;
10760 genlmsg_end(msg
, hdr
);
10761 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10765 genlmsg_cancel(msg
, hdr
);
10770 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
10771 const u8
*addr
, gfp_t gfp
)
10773 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10776 trace_cfg80211_rx_spurious_frame(dev
, addr
);
10778 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10779 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
10780 trace_cfg80211_return_bool(false);
10783 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
10785 trace_cfg80211_return_bool(ret
);
10788 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
10790 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
10791 const u8
*addr
, gfp_t gfp
)
10793 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10796 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
10798 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10799 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10800 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
10801 trace_cfg80211_return_bool(false);
10804 ret
= __nl80211_unexpected_frame(dev
,
10805 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
10807 trace_cfg80211_return_bool(ret
);
10810 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
10812 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
10813 struct wireless_dev
*wdev
, u32 nlportid
,
10814 int freq
, int sig_dbm
,
10815 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
10817 struct net_device
*netdev
= wdev
->netdev
;
10818 struct sk_buff
*msg
;
10821 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10825 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
10831 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10832 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10833 netdev
->ifindex
)) ||
10834 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10835 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
10837 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
10838 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10840 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
10841 goto nla_put_failure
;
10843 genlmsg_end(msg
, hdr
);
10845 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10848 genlmsg_cancel(msg
, hdr
);
10853 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
10854 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
10856 struct wiphy
*wiphy
= wdev
->wiphy
;
10857 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10858 struct net_device
*netdev
= wdev
->netdev
;
10859 struct sk_buff
*msg
;
10862 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
10864 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10868 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
10874 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10875 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10876 netdev
->ifindex
)) ||
10877 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10878 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10879 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
10880 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
10881 goto nla_put_failure
;
10883 genlmsg_end(msg
, hdr
);
10885 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10886 NL80211_MCGRP_MLME
, gfp
);
10890 genlmsg_cancel(msg
, hdr
);
10893 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
10895 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
10896 enum nl80211_cqm_rssi_threshold_event rssi_event
,
10899 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10900 struct wiphy
*wiphy
= wdev
->wiphy
;
10901 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10902 struct sk_buff
*msg
;
10903 struct nlattr
*pinfoattr
;
10906 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
10908 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10912 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10918 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10919 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
10920 goto nla_put_failure
;
10922 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10924 goto nla_put_failure
;
10926 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
10928 goto nla_put_failure
;
10930 nla_nest_end(msg
, pinfoattr
);
10932 genlmsg_end(msg
, hdr
);
10934 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10935 NL80211_MCGRP_MLME
, gfp
);
10939 genlmsg_cancel(msg
, hdr
);
10942 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
10944 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
10945 struct net_device
*netdev
, const u8
*bssid
,
10946 const u8
*replay_ctr
, gfp_t gfp
)
10948 struct sk_buff
*msg
;
10949 struct nlattr
*rekey_attr
;
10952 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10956 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
10962 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10963 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10964 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10965 goto nla_put_failure
;
10967 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
10969 goto nla_put_failure
;
10971 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
10972 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
10973 goto nla_put_failure
;
10975 nla_nest_end(msg
, rekey_attr
);
10977 genlmsg_end(msg
, hdr
);
10979 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10980 NL80211_MCGRP_MLME
, gfp
);
10984 genlmsg_cancel(msg
, hdr
);
10988 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
10989 const u8
*replay_ctr
, gfp_t gfp
)
10991 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10992 struct wiphy
*wiphy
= wdev
->wiphy
;
10993 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10995 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
10996 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
10998 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11001 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11002 struct net_device
*netdev
, int index
,
11003 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11005 struct sk_buff
*msg
;
11006 struct nlattr
*attr
;
11009 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11013 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11019 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11020 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11021 goto nla_put_failure
;
11023 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11025 goto nla_put_failure
;
11027 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
11028 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
11030 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
11031 goto nla_put_failure
;
11033 nla_nest_end(msg
, attr
);
11035 genlmsg_end(msg
, hdr
);
11037 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11038 NL80211_MCGRP_MLME
, gfp
);
11042 genlmsg_cancel(msg
, hdr
);
11046 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
11047 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11049 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11050 struct wiphy
*wiphy
= wdev
->wiphy
;
11051 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11053 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
11054 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
11056 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
11058 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
11059 struct net_device
*netdev
,
11060 struct cfg80211_chan_def
*chandef
,
11063 struct sk_buff
*msg
;
11066 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11070 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
11076 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11077 goto nla_put_failure
;
11079 if (nl80211_send_chandef(msg
, chandef
))
11080 goto nla_put_failure
;
11082 genlmsg_end(msg
, hdr
);
11084 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11085 NL80211_MCGRP_MLME
, gfp
);
11089 genlmsg_cancel(msg
, hdr
);
11093 void cfg80211_ch_switch_notify(struct net_device
*dev
,
11094 struct cfg80211_chan_def
*chandef
)
11096 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11097 struct wiphy
*wiphy
= wdev
->wiphy
;
11098 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11100 ASSERT_WDEV_LOCK(wdev
);
11102 trace_cfg80211_ch_switch_notify(dev
, chandef
);
11104 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11105 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11106 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
11107 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11110 wdev
->channel
= chandef
->chan
;
11111 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
11113 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
11115 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11116 const u8
*peer
, u32 num_packets
,
11117 u32 rate
, u32 intvl
, gfp_t gfp
)
11119 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11120 struct wiphy
*wiphy
= wdev
->wiphy
;
11121 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11122 struct sk_buff
*msg
;
11123 struct nlattr
*pinfoattr
;
11126 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11130 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11136 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11137 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11138 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11139 goto nla_put_failure
;
11141 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11143 goto nla_put_failure
;
11145 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11146 goto nla_put_failure
;
11148 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11149 goto nla_put_failure
;
11151 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11152 goto nla_put_failure
;
11154 nla_nest_end(msg
, pinfoattr
);
11156 genlmsg_end(msg
, hdr
);
11158 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11159 NL80211_MCGRP_MLME
, gfp
);
11163 genlmsg_cancel(msg
, hdr
);
11166 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11169 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
11170 const struct cfg80211_chan_def
*chandef
,
11171 enum nl80211_radar_event event
,
11172 struct net_device
*netdev
, gfp_t gfp
)
11174 struct sk_buff
*msg
;
11177 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11181 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
11187 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
11188 goto nla_put_failure
;
11190 /* NOP and radar events don't need a netdev parameter */
11192 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
11194 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11195 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11196 goto nla_put_failure
;
11199 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
11200 goto nla_put_failure
;
11202 if (nl80211_send_chandef(msg
, chandef
))
11203 goto nla_put_failure
;
11205 genlmsg_end(msg
, hdr
);
11207 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11208 NL80211_MCGRP_MLME
, gfp
);
11212 genlmsg_cancel(msg
, hdr
);
11216 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11217 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11219 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11220 struct wiphy
*wiphy
= wdev
->wiphy
;
11221 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11222 struct sk_buff
*msg
;
11223 struct nlattr
*pinfoattr
;
11226 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11228 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11232 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11238 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11239 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11240 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11241 goto nla_put_failure
;
11243 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11245 goto nla_put_failure
;
11247 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11248 goto nla_put_failure
;
11250 nla_nest_end(msg
, pinfoattr
);
11252 genlmsg_end(msg
, hdr
);
11254 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11255 NL80211_MCGRP_MLME
, gfp
);
11259 genlmsg_cancel(msg
, hdr
);
11262 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11264 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11265 u64 cookie
, bool acked
, gfp_t gfp
)
11267 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11268 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11269 struct sk_buff
*msg
;
11272 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11274 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11279 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11285 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11286 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11287 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11288 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11289 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11290 goto nla_put_failure
;
11292 genlmsg_end(msg
, hdr
);
11294 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11295 NL80211_MCGRP_MLME
, gfp
);
11299 genlmsg_cancel(msg
, hdr
);
11302 EXPORT_SYMBOL(cfg80211_probe_status
);
11304 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11305 const u8
*frame
, size_t len
,
11306 int freq
, int sig_dbm
)
11308 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11309 struct sk_buff
*msg
;
11311 struct cfg80211_beacon_registration
*reg
;
11313 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11315 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11316 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11317 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11319 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11323 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11325 goto nla_put_failure
;
11327 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11329 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11331 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11332 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11333 goto nla_put_failure
;
11335 genlmsg_end(msg
, hdr
);
11337 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11339 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11343 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11345 genlmsg_cancel(msg
, hdr
);
11348 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11351 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11352 struct cfg80211_wowlan_wakeup
*wakeup
,
11355 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11356 struct sk_buff
*msg
;
11360 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11363 size
+= wakeup
->packet_present_len
;
11365 msg
= nlmsg_new(size
, gfp
);
11369 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11373 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11374 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11377 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11378 wdev
->netdev
->ifindex
))
11382 struct nlattr
*reasons
;
11384 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11388 if (wakeup
->disconnect
&&
11389 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11391 if (wakeup
->magic_pkt
&&
11392 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11394 if (wakeup
->gtk_rekey_failure
&&
11395 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11397 if (wakeup
->eap_identity_req
&&
11398 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11400 if (wakeup
->four_way_handshake
&&
11401 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11403 if (wakeup
->rfkill_release
&&
11404 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11407 if (wakeup
->pattern_idx
>= 0 &&
11408 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11409 wakeup
->pattern_idx
))
11412 if (wakeup
->tcp_match
&&
11413 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
11416 if (wakeup
->tcp_connlost
&&
11417 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
11420 if (wakeup
->tcp_nomoretokens
&&
11422 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
11425 if (wakeup
->packet
) {
11426 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11427 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11429 if (!wakeup
->packet_80211
) {
11431 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11433 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11436 if (wakeup
->packet_len
&&
11437 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11440 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11445 nla_nest_end(msg
, reasons
);
11448 genlmsg_end(msg
, hdr
);
11450 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11451 NL80211_MCGRP_MLME
, gfp
);
11457 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11460 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11461 enum nl80211_tdls_operation oper
,
11462 u16 reason_code
, gfp_t gfp
)
11464 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11465 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11466 struct sk_buff
*msg
;
11469 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11472 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11476 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11482 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11483 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11484 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11485 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11486 (reason_code
> 0 &&
11487 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11488 goto nla_put_failure
;
11490 genlmsg_end(msg
, hdr
);
11492 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11493 NL80211_MCGRP_MLME
, gfp
);
11497 genlmsg_cancel(msg
, hdr
);
11500 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11502 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11503 unsigned long state
,
11506 struct netlink_notify
*notify
= _notify
;
11507 struct cfg80211_registered_device
*rdev
;
11508 struct wireless_dev
*wdev
;
11509 struct cfg80211_beacon_registration
*reg
, *tmp
;
11511 if (state
!= NETLINK_URELEASE
)
11512 return NOTIFY_DONE
;
11516 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11517 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
11518 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11520 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11521 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11523 if (reg
->nlportid
== notify
->portid
) {
11524 list_del(®
->list
);
11529 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11534 return NOTIFY_DONE
;
11537 static struct notifier_block nl80211_netlink_notifier
= {
11538 .notifier_call
= nl80211_netlink_notify
,
11541 void cfg80211_ft_event(struct net_device
*netdev
,
11542 struct cfg80211_ft_event_params
*ft_event
)
11544 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11545 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11546 struct sk_buff
*msg
;
11549 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11551 if (!ft_event
->target_ap
)
11554 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11558 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11562 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11563 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11564 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
11567 if (ft_event
->ies
&&
11568 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
11570 if (ft_event
->ric_ies
&&
11571 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11572 ft_event
->ric_ies
))
11575 genlmsg_end(msg
, hdr
);
11577 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11578 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11583 EXPORT_SYMBOL(cfg80211_ft_event
);
11585 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11587 struct cfg80211_registered_device
*rdev
;
11588 struct sk_buff
*msg
;
11592 rdev
= wiphy_to_dev(wdev
->wiphy
);
11593 if (!rdev
->crit_proto_nlportid
)
11596 nlportid
= rdev
->crit_proto_nlportid
;
11597 rdev
->crit_proto_nlportid
= 0;
11599 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11603 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11605 goto nla_put_failure
;
11607 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11608 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11609 goto nla_put_failure
;
11611 genlmsg_end(msg
, hdr
);
11613 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11618 genlmsg_cancel(msg
, hdr
);
11622 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11624 /* initialisation/exit functions */
11626 int nl80211_init(void)
11630 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
11635 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11641 genl_unregister_family(&nl80211_fam
);
11645 void nl80211_exit(void)
11647 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11648 genl_unregister_family(&nl80211_fam
);