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
) &&
1723 cb
->min_dump_alloc
< 4096) {
1724 cb
->min_dump_alloc
= 4096;
1731 } while (state
->split_start
> 0);
1741 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1743 kfree((void *)cb
->args
[0]);
1747 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1749 struct sk_buff
*msg
;
1750 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1751 struct nl80211_dump_wiphy_state state
= {};
1753 msg
= nlmsg_new(4096, GFP_KERNEL
);
1757 if (nl80211_send_wiphy(dev
, msg
, info
->snd_portid
, info
->snd_seq
, 0,
1763 return genlmsg_reply(msg
, info
);
1766 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1767 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1768 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1769 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1770 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1771 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1774 static int parse_txq_params(struct nlattr
*tb
[],
1775 struct ieee80211_txq_params
*txq_params
)
1777 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1778 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1779 !tb
[NL80211_TXQ_ATTR_AIFS
])
1782 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1783 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1784 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1785 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1786 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1788 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1794 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1797 * You can only set the channel explicitly for WDS interfaces,
1798 * all others have their channel managed via their respective
1799 * "establish a connection" command (connect, join, ...)
1801 * For AP/GO and mesh mode, the channel can be set with the
1802 * channel userspace API, but is only stored and passed to the
1803 * low-level driver when the AP starts or the mesh is joined.
1804 * This is for backward compatibility, userspace can also give
1805 * the channel in the start-ap or join-mesh commands instead.
1807 * Monitors are special as they are normally slaved to
1808 * whatever else is going on, so they have their own special
1809 * operation to set the monitor channel if possible.
1812 wdev
->iftype
== NL80211_IFTYPE_AP
||
1813 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1814 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1815 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1818 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1819 struct genl_info
*info
,
1820 struct cfg80211_chan_def
*chandef
)
1824 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1827 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1829 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1830 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1831 chandef
->center_freq1
= control_freq
;
1832 chandef
->center_freq2
= 0;
1834 /* Primary channel not allowed */
1835 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1838 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1839 enum nl80211_channel_type chantype
;
1841 chantype
= nla_get_u32(
1842 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1845 case NL80211_CHAN_NO_HT
:
1846 case NL80211_CHAN_HT20
:
1847 case NL80211_CHAN_HT40PLUS
:
1848 case NL80211_CHAN_HT40MINUS
:
1849 cfg80211_chandef_create(chandef
, chandef
->chan
,
1855 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1857 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1858 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1859 chandef
->center_freq1
=
1861 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1862 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1863 chandef
->center_freq2
=
1865 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1868 if (!cfg80211_chandef_valid(chandef
))
1871 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1872 IEEE80211_CHAN_DISABLED
))
1875 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1876 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1877 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1883 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1884 struct wireless_dev
*wdev
,
1885 struct genl_info
*info
)
1887 struct cfg80211_chan_def chandef
;
1889 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1892 iftype
= wdev
->iftype
;
1894 if (!nl80211_can_set_dev_channel(wdev
))
1897 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1902 case NL80211_IFTYPE_AP
:
1903 case NL80211_IFTYPE_P2P_GO
:
1904 if (wdev
->beacon_interval
) {
1908 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
)) {
1912 wdev
->preset_chandef
= chandef
;
1915 case NL80211_IFTYPE_MESH_POINT
:
1916 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1918 case NL80211_IFTYPE_MONITOR
:
1919 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
1928 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1930 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1931 struct net_device
*netdev
= info
->user_ptr
[1];
1933 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1936 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1938 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1939 struct net_device
*dev
= info
->user_ptr
[1];
1940 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1943 if (!info
->attrs
[NL80211_ATTR_MAC
])
1946 if (netif_running(dev
))
1949 if (!rdev
->ops
->set_wds_peer
)
1952 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1955 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1956 return rdev_set_wds_peer(rdev
, dev
, bssid
);
1960 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1962 struct cfg80211_registered_device
*rdev
;
1963 struct net_device
*netdev
= NULL
;
1964 struct wireless_dev
*wdev
;
1965 int result
= 0, rem_txq_params
= 0;
1966 struct nlattr
*nl_txq_params
;
1968 u8 retry_short
= 0, retry_long
= 0;
1969 u32 frag_threshold
= 0, rts_threshold
= 0;
1970 u8 coverage_class
= 0;
1975 * Try to find the wiphy and netdev. Normally this
1976 * function shouldn't need the netdev, but this is
1977 * done for backward compatibility -- previously
1978 * setting the channel was done per wiphy, but now
1979 * it is per netdev. Previous userland like hostapd
1980 * also passed a netdev to set_wiphy, so that it is
1981 * possible to let that go to the right netdev!
1984 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1985 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1987 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
1988 if (netdev
&& netdev
->ieee80211_ptr
)
1989 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1995 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1998 return PTR_ERR(rdev
);
2003 wdev
= netdev
->ieee80211_ptr
;
2006 * end workaround code, by now the rdev is available
2007 * and locked, and wdev may or may not be NULL.
2010 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2011 result
= cfg80211_dev_rename(
2012 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2017 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2018 struct ieee80211_txq_params txq_params
;
2019 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2021 if (!rdev
->ops
->set_txq_params
)
2027 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2028 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2031 if (!netif_running(netdev
))
2034 nla_for_each_nested(nl_txq_params
,
2035 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2037 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2038 nla_data(nl_txq_params
),
2039 nla_len(nl_txq_params
),
2041 result
= parse_txq_params(tb
, &txq_params
);
2045 result
= rdev_set_txq_params(rdev
, netdev
,
2052 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2053 result
= __nl80211_set_channel(rdev
,
2054 nl80211_can_set_dev_channel(wdev
) ? wdev
: NULL
,
2060 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2061 struct wireless_dev
*txp_wdev
= wdev
;
2062 enum nl80211_tx_power_setting type
;
2065 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2068 if (!rdev
->ops
->set_tx_power
)
2071 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2072 type
= nla_get_u32(info
->attrs
[idx
]);
2074 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2075 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2078 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2079 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2080 mbm
= nla_get_u32(info
->attrs
[idx
]);
2083 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2088 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2089 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2091 if ((!rdev
->wiphy
.available_antennas_tx
&&
2092 !rdev
->wiphy
.available_antennas_rx
) ||
2093 !rdev
->ops
->set_antenna
)
2096 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2097 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2099 /* reject antenna configurations which don't match the
2100 * available antenna masks, except for the "all" mask */
2101 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2102 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2105 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2106 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2108 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2115 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2116 retry_short
= nla_get_u8(
2117 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2118 if (retry_short
== 0)
2121 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2124 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2125 retry_long
= nla_get_u8(
2126 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2127 if (retry_long
== 0)
2130 changed
|= WIPHY_PARAM_RETRY_LONG
;
2133 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2134 frag_threshold
= nla_get_u32(
2135 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2136 if (frag_threshold
< 256)
2139 if (frag_threshold
!= (u32
) -1) {
2141 * Fragments (apart from the last one) are required to
2142 * have even length. Make the fragmentation code
2143 * simpler by stripping LSB should someone try to use
2144 * odd threshold value.
2146 frag_threshold
&= ~0x1;
2148 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2151 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2152 rts_threshold
= nla_get_u32(
2153 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2154 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2157 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2158 coverage_class
= nla_get_u8(
2159 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2160 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2164 u8 old_retry_short
, old_retry_long
;
2165 u32 old_frag_threshold
, old_rts_threshold
;
2166 u8 old_coverage_class
;
2168 if (!rdev
->ops
->set_wiphy_params
)
2171 old_retry_short
= rdev
->wiphy
.retry_short
;
2172 old_retry_long
= rdev
->wiphy
.retry_long
;
2173 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2174 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2175 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2177 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2178 rdev
->wiphy
.retry_short
= retry_short
;
2179 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2180 rdev
->wiphy
.retry_long
= retry_long
;
2181 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2182 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2183 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2184 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2185 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2186 rdev
->wiphy
.coverage_class
= coverage_class
;
2188 result
= rdev_set_wiphy_params(rdev
, changed
);
2190 rdev
->wiphy
.retry_short
= old_retry_short
;
2191 rdev
->wiphy
.retry_long
= old_retry_long
;
2192 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2193 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2194 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2200 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2202 return (u64
)wdev
->identifier
|
2203 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
2206 static int nl80211_send_chandef(struct sk_buff
*msg
,
2207 const struct cfg80211_chan_def
*chandef
)
2209 WARN_ON(!cfg80211_chandef_valid(chandef
));
2211 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2212 chandef
->chan
->center_freq
))
2214 switch (chandef
->width
) {
2215 case NL80211_CHAN_WIDTH_20_NOHT
:
2216 case NL80211_CHAN_WIDTH_20
:
2217 case NL80211_CHAN_WIDTH_40
:
2218 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2219 cfg80211_get_chandef_type(chandef
)))
2225 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2227 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2229 if (chandef
->center_freq2
&&
2230 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2235 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2236 struct cfg80211_registered_device
*rdev
,
2237 struct wireless_dev
*wdev
)
2239 struct net_device
*dev
= wdev
->netdev
;
2242 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2247 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2248 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2249 goto nla_put_failure
;
2251 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2252 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2253 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2254 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2255 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2256 rdev
->devlist_generation
^
2257 (cfg80211_rdev_list_generation
<< 2)))
2258 goto nla_put_failure
;
2260 if (rdev
->ops
->get_channel
) {
2262 struct cfg80211_chan_def chandef
;
2264 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2266 if (nl80211_send_chandef(msg
, &chandef
))
2267 goto nla_put_failure
;
2271 if (wdev
->ssid_len
) {
2272 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2273 goto nla_put_failure
;
2276 return genlmsg_end(msg
, hdr
);
2279 genlmsg_cancel(msg
, hdr
);
2283 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2287 int wp_start
= cb
->args
[0];
2288 int if_start
= cb
->args
[1];
2289 struct cfg80211_registered_device
*rdev
;
2290 struct wireless_dev
*wdev
;
2293 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2294 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2296 if (wp_idx
< wp_start
) {
2302 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2303 if (if_idx
< if_start
) {
2307 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2308 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2320 cb
->args
[0] = wp_idx
;
2321 cb
->args
[1] = if_idx
;
2326 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2328 struct sk_buff
*msg
;
2329 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
2330 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2332 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2336 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2342 return genlmsg_reply(msg
, info
);
2345 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2346 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2347 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2348 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2349 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2350 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2351 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2354 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2356 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2364 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2365 nla
, mntr_flags_policy
))
2368 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2370 *mntrflags
|= (1<<flag
);
2375 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2376 struct net_device
*netdev
, u8 use_4addr
,
2377 enum nl80211_iftype iftype
)
2380 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2386 case NL80211_IFTYPE_AP_VLAN
:
2387 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2390 case NL80211_IFTYPE_STATION
:
2391 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2401 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2403 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2404 struct vif_params params
;
2406 enum nl80211_iftype otype
, ntype
;
2407 struct net_device
*dev
= info
->user_ptr
[1];
2408 u32 _flags
, *flags
= NULL
;
2409 bool change
= false;
2411 memset(¶ms
, 0, sizeof(params
));
2413 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2415 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2416 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2419 if (ntype
> NL80211_IFTYPE_MAX
)
2423 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2424 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2426 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2428 if (netif_running(dev
))
2432 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2433 IEEE80211_MAX_MESH_ID_LEN
);
2434 wdev
->mesh_id_up_len
=
2435 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2436 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2437 wdev
->mesh_id_up_len
);
2441 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2442 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2444 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2448 params
.use_4addr
= -1;
2451 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2452 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2454 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2463 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2464 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2468 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2472 if (!err
&& params
.use_4addr
!= -1)
2473 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2478 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2480 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2481 struct vif_params params
;
2482 struct wireless_dev
*wdev
;
2483 struct sk_buff
*msg
;
2485 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2488 memset(¶ms
, 0, sizeof(params
));
2490 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2493 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2494 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2495 if (type
> NL80211_IFTYPE_MAX
)
2499 if (!rdev
->ops
->add_virtual_intf
||
2500 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2503 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2504 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2506 if (!is_valid_ether_addr(params
.macaddr
))
2507 return -EADDRNOTAVAIL
;
2510 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2511 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2512 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2517 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2521 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2522 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2525 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2526 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2529 wdev
= rdev_add_virtual_intf(rdev
,
2530 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2531 type
, err
? NULL
: &flags
, ¶ms
);
2534 return PTR_ERR(wdev
);
2538 case NL80211_IFTYPE_MESH_POINT
:
2539 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2542 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2543 IEEE80211_MAX_MESH_ID_LEN
);
2544 wdev
->mesh_id_up_len
=
2545 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2546 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2547 wdev
->mesh_id_up_len
);
2550 case NL80211_IFTYPE_P2P_DEVICE
:
2552 * P2P Device doesn't have a netdev, so doesn't go
2553 * through the netdev notifier and must be added here
2555 mutex_init(&wdev
->mtx
);
2556 INIT_LIST_HEAD(&wdev
->event_list
);
2557 spin_lock_init(&wdev
->event_lock
);
2558 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2559 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2561 wdev
->identifier
= ++rdev
->wdev_id
;
2562 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2563 rdev
->devlist_generation
++;
2569 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2575 return genlmsg_reply(msg
, info
);
2578 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2580 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2581 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2583 if (!rdev
->ops
->del_virtual_intf
)
2587 * If we remove a wireless device without a netdev then clear
2588 * user_ptr[1] so that nl80211_post_doit won't dereference it
2589 * to check if it needs to do dev_put(). Otherwise it crashes
2590 * since the wdev has been freed, unlike with a netdev where
2591 * we need the dev_put() for the netdev to really be freed.
2594 info
->user_ptr
[1] = NULL
;
2596 return rdev_del_virtual_intf(rdev
, wdev
);
2599 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2601 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2602 struct net_device
*dev
= info
->user_ptr
[1];
2605 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2608 if (!rdev
->ops
->set_noack_map
)
2611 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2613 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2616 struct get_key_cookie
{
2617 struct sk_buff
*msg
;
2622 static void get_key_callback(void *c
, struct key_params
*params
)
2625 struct get_key_cookie
*cookie
= c
;
2628 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2629 params
->key_len
, params
->key
)) ||
2631 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2632 params
->seq_len
, params
->seq
)) ||
2634 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2636 goto nla_put_failure
;
2638 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2640 goto nla_put_failure
;
2643 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2644 params
->key_len
, params
->key
)) ||
2646 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2647 params
->seq_len
, params
->seq
)) ||
2649 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2651 goto nla_put_failure
;
2653 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2654 goto nla_put_failure
;
2656 nla_nest_end(cookie
->msg
, key
);
2663 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2665 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2667 struct net_device
*dev
= info
->user_ptr
[1];
2669 const u8
*mac_addr
= NULL
;
2671 struct get_key_cookie cookie
= {
2675 struct sk_buff
*msg
;
2677 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2678 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2683 if (info
->attrs
[NL80211_ATTR_MAC
])
2684 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2686 pairwise
= !!mac_addr
;
2687 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2688 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2689 if (kt
>= NUM_NL80211_KEYTYPES
)
2691 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2692 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2694 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2697 if (!rdev
->ops
->get_key
)
2700 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2704 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2705 NL80211_CMD_NEW_KEY
);
2707 goto nla_put_failure
;
2710 cookie
.idx
= key_idx
;
2712 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2713 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2714 goto nla_put_failure
;
2716 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2717 goto nla_put_failure
;
2719 if (pairwise
&& mac_addr
&&
2720 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2723 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2730 goto nla_put_failure
;
2732 genlmsg_end(msg
, hdr
);
2733 return genlmsg_reply(msg
, info
);
2742 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2744 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2745 struct key_parse key
;
2747 struct net_device
*dev
= info
->user_ptr
[1];
2749 err
= nl80211_parse_key(info
, &key
);
2756 /* only support setting default key */
2757 if (!key
.def
&& !key
.defmgmt
)
2760 wdev_lock(dev
->ieee80211_ptr
);
2763 if (!rdev
->ops
->set_default_key
) {
2768 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2772 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2773 key
.def_uni
, key
.def_multi
);
2778 #ifdef CONFIG_CFG80211_WEXT
2779 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2782 if (key
.def_uni
|| !key
.def_multi
) {
2787 if (!rdev
->ops
->set_default_mgmt_key
) {
2792 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2796 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2800 #ifdef CONFIG_CFG80211_WEXT
2801 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2806 wdev_unlock(dev
->ieee80211_ptr
);
2811 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2813 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2815 struct net_device
*dev
= info
->user_ptr
[1];
2816 struct key_parse key
;
2817 const u8
*mac_addr
= NULL
;
2819 err
= nl80211_parse_key(info
, &key
);
2826 if (info
->attrs
[NL80211_ATTR_MAC
])
2827 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2829 if (key
.type
== -1) {
2831 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2833 key
.type
= NL80211_KEYTYPE_GROUP
;
2837 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2838 key
.type
!= NL80211_KEYTYPE_GROUP
)
2841 if (!rdev
->ops
->add_key
)
2844 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2845 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2849 wdev_lock(dev
->ieee80211_ptr
);
2850 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2852 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2853 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2855 wdev_unlock(dev
->ieee80211_ptr
);
2860 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2862 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2864 struct net_device
*dev
= info
->user_ptr
[1];
2865 u8
*mac_addr
= NULL
;
2866 struct key_parse key
;
2868 err
= nl80211_parse_key(info
, &key
);
2872 if (info
->attrs
[NL80211_ATTR_MAC
])
2873 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2875 if (key
.type
== -1) {
2877 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2879 key
.type
= NL80211_KEYTYPE_GROUP
;
2883 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2884 key
.type
!= NL80211_KEYTYPE_GROUP
)
2887 if (!rdev
->ops
->del_key
)
2890 wdev_lock(dev
->ieee80211_ptr
);
2891 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2893 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2894 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2898 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2899 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2902 #ifdef CONFIG_CFG80211_WEXT
2904 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2905 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2906 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2907 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2910 wdev_unlock(dev
->ieee80211_ptr
);
2915 /* This function returns an error or the number of nested attributes */
2916 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
2918 struct nlattr
*attr
;
2919 int n_entries
= 0, tmp
;
2921 nla_for_each_nested(attr
, nl_attr
, tmp
) {
2922 if (nla_len(attr
) != ETH_ALEN
)
2932 * This function parses ACL information and allocates memory for ACL data.
2933 * On successful return, the calling function is responsible to free the
2934 * ACL buffer returned by this function.
2936 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
2937 struct genl_info
*info
)
2939 enum nl80211_acl_policy acl_policy
;
2940 struct nlattr
*attr
;
2941 struct cfg80211_acl_data
*acl
;
2942 int i
= 0, n_entries
, tmp
;
2944 if (!wiphy
->max_acl_mac_addrs
)
2945 return ERR_PTR(-EOPNOTSUPP
);
2947 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
2948 return ERR_PTR(-EINVAL
);
2950 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
2951 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
2952 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
2953 return ERR_PTR(-EINVAL
);
2955 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
2956 return ERR_PTR(-EINVAL
);
2958 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
2960 return ERR_PTR(n_entries
);
2962 if (n_entries
> wiphy
->max_acl_mac_addrs
)
2963 return ERR_PTR(-ENOTSUPP
);
2965 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
2968 return ERR_PTR(-ENOMEM
);
2970 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
2971 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
2975 acl
->n_acl_entries
= n_entries
;
2976 acl
->acl_policy
= acl_policy
;
2981 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
2983 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2984 struct net_device
*dev
= info
->user_ptr
[1];
2985 struct cfg80211_acl_data
*acl
;
2988 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2989 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2992 if (!dev
->ieee80211_ptr
->beacon_interval
)
2995 acl
= parse_acl_data(&rdev
->wiphy
, info
);
2997 return PTR_ERR(acl
);
2999 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3006 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3007 struct cfg80211_beacon_data
*bcn
)
3009 bool haveinfo
= false;
3011 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3012 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3013 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3014 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3017 memset(bcn
, 0, sizeof(*bcn
));
3019 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3020 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3021 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3027 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3028 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3029 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3036 if (attrs
[NL80211_ATTR_IE
]) {
3037 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3038 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3041 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3042 bcn
->proberesp_ies
=
3043 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3044 bcn
->proberesp_ies_len
=
3045 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3048 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3049 bcn
->assocresp_ies
=
3050 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3051 bcn
->assocresp_ies_len
=
3052 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3055 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3056 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3057 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3063 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3064 struct cfg80211_ap_settings
*params
)
3066 struct wireless_dev
*wdev
;
3069 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3070 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3071 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3074 if (!wdev
->preset_chandef
.chan
)
3077 params
->chandef
= wdev
->preset_chandef
;
3085 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3086 enum nl80211_auth_type auth_type
,
3087 enum nl80211_commands cmd
)
3089 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3093 case NL80211_CMD_AUTHENTICATE
:
3094 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3095 auth_type
== NL80211_AUTHTYPE_SAE
)
3098 case NL80211_CMD_CONNECT
:
3099 case NL80211_CMD_START_AP
:
3100 /* SAE not supported yet */
3101 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3109 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3111 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3112 struct net_device
*dev
= info
->user_ptr
[1];
3113 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3114 struct cfg80211_ap_settings params
;
3116 u8 radar_detect_width
= 0;
3118 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3119 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3122 if (!rdev
->ops
->start_ap
)
3125 if (wdev
->beacon_interval
)
3128 memset(¶ms
, 0, sizeof(params
));
3130 /* these are required for START_AP */
3131 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3132 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3133 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3136 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3140 params
.beacon_interval
=
3141 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3142 params
.dtim_period
=
3143 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3145 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3150 * In theory, some of these attributes should be required here
3151 * but since they were not used when the command was originally
3152 * added, keep them optional for old user space programs to let
3153 * them continue to work with drivers that do not need the
3154 * additional information -- drivers must check!
3156 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3157 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3159 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3160 if (params
.ssid_len
== 0 ||
3161 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3165 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3166 params
.hidden_ssid
= nla_get_u32(
3167 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3168 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3169 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3170 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3174 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3176 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3177 params
.auth_type
= nla_get_u32(
3178 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3179 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3180 NL80211_CMD_START_AP
))
3183 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3185 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3186 NL80211_MAX_NR_CIPHER_SUITES
);
3190 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3191 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3193 params
.inactivity_timeout
= nla_get_u16(
3194 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3197 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3198 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3200 params
.p2p_ctwindow
=
3201 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3202 if (params
.p2p_ctwindow
> 127)
3204 if (params
.p2p_ctwindow
!= 0 &&
3205 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3209 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3212 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3214 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3217 params
.p2p_opp_ps
= tmp
;
3218 if (params
.p2p_opp_ps
!= 0 &&
3219 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3223 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3224 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3227 } else if (wdev
->preset_chandef
.chan
) {
3228 params
.chandef
= wdev
->preset_chandef
;
3229 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3232 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
3235 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, ¶ms
.chandef
);
3239 radar_detect_width
= BIT(params
.chandef
.width
);
3240 params
.radar_required
= true;
3243 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
3244 params
.chandef
.chan
,
3246 radar_detect_width
);
3250 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3251 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3252 if (IS_ERR(params
.acl
))
3253 return PTR_ERR(params
.acl
);
3257 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3259 wdev
->preset_chandef
= params
.chandef
;
3260 wdev
->beacon_interval
= params
.beacon_interval
;
3261 wdev
->channel
= params
.chandef
.chan
;
3262 wdev
->ssid_len
= params
.ssid_len
;
3263 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3272 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3274 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3275 struct net_device
*dev
= info
->user_ptr
[1];
3276 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3277 struct cfg80211_beacon_data params
;
3280 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3281 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3284 if (!rdev
->ops
->change_beacon
)
3287 if (!wdev
->beacon_interval
)
3290 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3295 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3301 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3303 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3304 struct net_device
*dev
= info
->user_ptr
[1];
3306 return cfg80211_stop_ap(rdev
, dev
);
3309 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3310 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3311 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3312 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3313 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3314 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3315 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3318 static int parse_station_flags(struct genl_info
*info
,
3319 enum nl80211_iftype iftype
,
3320 struct station_parameters
*params
)
3322 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3327 * Try parsing the new attribute first so userspace
3328 * can specify both for older kernels.
3330 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3332 struct nl80211_sta_flag_update
*sta_flags
;
3334 sta_flags
= nla_data(nla
);
3335 params
->sta_flags_mask
= sta_flags
->mask
;
3336 params
->sta_flags_set
= sta_flags
->set
;
3337 params
->sta_flags_set
&= params
->sta_flags_mask
;
3338 if ((params
->sta_flags_mask
|
3339 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3344 /* if present, parse the old attribute */
3346 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3350 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3351 nla
, sta_flags_policy
))
3355 * Only allow certain flags for interface types so that
3356 * other attributes are silently ignored. Remember that
3357 * this is backward compatibility code with old userspace
3358 * and shouldn't be hit in other cases anyway.
3361 case NL80211_IFTYPE_AP
:
3362 case NL80211_IFTYPE_AP_VLAN
:
3363 case NL80211_IFTYPE_P2P_GO
:
3364 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3365 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3366 BIT(NL80211_STA_FLAG_WME
) |
3367 BIT(NL80211_STA_FLAG_MFP
);
3369 case NL80211_IFTYPE_P2P_CLIENT
:
3370 case NL80211_IFTYPE_STATION
:
3371 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3372 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3374 case NL80211_IFTYPE_MESH_POINT
:
3375 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3376 BIT(NL80211_STA_FLAG_MFP
) |
3377 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3382 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3384 params
->sta_flags_set
|= (1<<flag
);
3386 /* no longer support new API additions in old API */
3387 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3395 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3398 struct nlattr
*rate
;
3402 rate
= nla_nest_start(msg
, attr
);
3406 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3407 bitrate
= cfg80211_calculate_bitrate(info
);
3408 /* report 16-bit bitrate only if we can */
3409 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3411 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3413 if (bitrate_compat
> 0 &&
3414 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3417 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3418 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3420 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3421 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3423 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3424 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3426 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3427 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3429 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3431 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3432 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3434 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3435 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3437 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3438 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3440 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3441 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3443 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3444 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3448 nla_nest_end(msg
, rate
);
3452 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3461 attr
= nla_nest_start(msg
, id
);
3465 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3466 if (!(mask
& BIT(i
)))
3469 if (nla_put_u8(msg
, i
, signal
[i
]))
3473 nla_nest_end(msg
, attr
);
3478 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3480 struct cfg80211_registered_device
*rdev
,
3481 struct net_device
*dev
,
3482 const u8
*mac_addr
, struct station_info
*sinfo
)
3485 struct nlattr
*sinfoattr
, *bss_param
;
3487 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3491 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3492 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3493 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3494 goto nla_put_failure
;
3496 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3498 goto nla_put_failure
;
3499 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3500 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3501 sinfo
->connected_time
))
3502 goto nla_put_failure
;
3503 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3504 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3505 sinfo
->inactive_time
))
3506 goto nla_put_failure
;
3507 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3508 STATION_INFO_RX_BYTES64
)) &&
3509 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3510 (u32
)sinfo
->rx_bytes
))
3511 goto nla_put_failure
;
3512 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3513 STATION_INFO_TX_BYTES64
)) &&
3514 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3515 (u32
)sinfo
->tx_bytes
))
3516 goto nla_put_failure
;
3517 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3518 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3520 goto nla_put_failure
;
3521 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3522 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3524 goto nla_put_failure
;
3525 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3526 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3527 goto nla_put_failure
;
3528 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3529 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3530 goto nla_put_failure
;
3531 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3532 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3533 sinfo
->plink_state
))
3534 goto nla_put_failure
;
3535 switch (rdev
->wiphy
.signal_type
) {
3536 case CFG80211_SIGNAL_TYPE_MBM
:
3537 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3538 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3540 goto nla_put_failure
;
3541 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3542 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3544 goto nla_put_failure
;
3549 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3550 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3551 sinfo
->chain_signal
,
3552 NL80211_STA_INFO_CHAIN_SIGNAL
))
3553 goto nla_put_failure
;
3555 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3556 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3557 sinfo
->chain_signal_avg
,
3558 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3559 goto nla_put_failure
;
3561 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3562 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3563 NL80211_STA_INFO_TX_BITRATE
))
3564 goto nla_put_failure
;
3566 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3567 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3568 NL80211_STA_INFO_RX_BITRATE
))
3569 goto nla_put_failure
;
3571 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3572 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3574 goto nla_put_failure
;
3575 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3576 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3578 goto nla_put_failure
;
3579 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3580 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3582 goto nla_put_failure
;
3583 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3584 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3586 goto nla_put_failure
;
3587 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3588 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3589 sinfo
->beacon_loss_count
))
3590 goto nla_put_failure
;
3591 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3592 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3594 goto nla_put_failure
;
3595 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3596 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3598 goto nla_put_failure
;
3599 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3600 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3602 goto nla_put_failure
;
3603 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3604 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3606 goto nla_put_failure
;
3608 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3609 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3610 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3611 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3612 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3613 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3614 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3615 sinfo
->bss_param
.dtim_period
) ||
3616 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3617 sinfo
->bss_param
.beacon_interval
))
3618 goto nla_put_failure
;
3620 nla_nest_end(msg
, bss_param
);
3622 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3623 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3624 sizeof(struct nl80211_sta_flag_update
),
3626 goto nla_put_failure
;
3627 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3628 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3630 goto nla_put_failure
;
3631 nla_nest_end(msg
, sinfoattr
);
3633 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3634 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3635 sinfo
->assoc_req_ies
))
3636 goto nla_put_failure
;
3638 return genlmsg_end(msg
, hdr
);
3641 genlmsg_cancel(msg
, hdr
);
3645 static int nl80211_dump_station(struct sk_buff
*skb
,
3646 struct netlink_callback
*cb
)
3648 struct station_info sinfo
;
3649 struct cfg80211_registered_device
*dev
;
3650 struct wireless_dev
*wdev
;
3651 u8 mac_addr
[ETH_ALEN
];
3652 int sta_idx
= cb
->args
[2];
3655 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
3659 if (!wdev
->netdev
) {
3664 if (!dev
->ops
->dump_station
) {
3670 memset(&sinfo
, 0, sizeof(sinfo
));
3671 err
= rdev_dump_station(dev
, wdev
->netdev
, sta_idx
,
3678 if (nl80211_send_station(skb
,
3679 NETLINK_CB(cb
->skb
).portid
,
3680 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3681 dev
, wdev
->netdev
, mac_addr
,
3690 cb
->args
[2] = sta_idx
;
3693 nl80211_finish_wdev_dump(dev
);
3698 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3700 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3701 struct net_device
*dev
= info
->user_ptr
[1];
3702 struct station_info sinfo
;
3703 struct sk_buff
*msg
;
3704 u8
*mac_addr
= NULL
;
3707 memset(&sinfo
, 0, sizeof(sinfo
));
3709 if (!info
->attrs
[NL80211_ATTR_MAC
])
3712 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3714 if (!rdev
->ops
->get_station
)
3717 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3721 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3725 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3726 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3731 return genlmsg_reply(msg
, info
);
3734 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3735 struct station_parameters
*params
,
3736 enum cfg80211_station_type statype
)
3738 if (params
->listen_interval
!= -1)
3743 /* When you run into this, adjust the code below for the new flag */
3744 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3747 case CFG80211_STA_MESH_PEER_KERNEL
:
3748 case CFG80211_STA_MESH_PEER_USER
:
3750 * No ignoring the TDLS flag here -- the userspace mesh
3751 * code doesn't have the bug of including TDLS in the
3754 if (params
->sta_flags_mask
&
3755 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3756 BIT(NL80211_STA_FLAG_MFP
) |
3757 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3760 case CFG80211_STA_TDLS_PEER_SETUP
:
3761 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3762 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3764 /* ignore since it can't change */
3765 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3768 /* disallow mesh-specific things */
3769 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3771 if (params
->local_pm
)
3773 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3777 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3778 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3779 /* TDLS can't be set, ... */
3780 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3783 * ... but don't bother the driver with it. This works around
3784 * a hostapd/wpa_supplicant issue -- it always includes the
3785 * TLDS_PEER flag in the mask even for AP mode.
3787 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3790 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3791 /* reject other things that can't change */
3792 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3794 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3796 if (params
->supported_rates
)
3798 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3802 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3808 case CFG80211_STA_AP_MLME_CLIENT
:
3809 /* Use this only for authorizing/unauthorizing a station */
3810 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3813 case CFG80211_STA_AP_CLIENT
:
3814 /* accept only the listed bits */
3815 if (params
->sta_flags_mask
&
3816 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3817 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3818 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3819 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3820 BIT(NL80211_STA_FLAG_WME
) |
3821 BIT(NL80211_STA_FLAG_MFP
)))
3824 /* but authenticated/associated only if driver handles it */
3825 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3826 params
->sta_flags_mask
&
3827 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3828 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3831 case CFG80211_STA_IBSS
:
3832 case CFG80211_STA_AP_STA
:
3833 /* reject any changes other than AUTHORIZED */
3834 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3837 case CFG80211_STA_TDLS_PEER_SETUP
:
3838 /* reject any changes other than AUTHORIZED or WME */
3839 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3840 BIT(NL80211_STA_FLAG_WME
)))
3842 /* force (at least) rates when authorizing */
3843 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3844 !params
->supported_rates
)
3847 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3848 /* reject any changes */
3850 case CFG80211_STA_MESH_PEER_KERNEL
:
3851 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3854 case CFG80211_STA_MESH_PEER_USER
:
3855 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3862 EXPORT_SYMBOL(cfg80211_check_station_change
);
3865 * Get vlan interface making sure it is running and on the right wiphy.
3867 static struct net_device
*get_vlan(struct genl_info
*info
,
3868 struct cfg80211_registered_device
*rdev
)
3870 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3871 struct net_device
*v
;
3877 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3879 return ERR_PTR(-ENODEV
);
3881 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3886 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3887 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3888 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3893 if (!netif_running(v
)) {
3901 return ERR_PTR(ret
);
3904 static struct nla_policy
3905 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3906 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3907 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3910 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3911 struct station_parameters
*params
)
3913 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3917 /* parse WME attributes if present */
3918 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3921 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3922 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3923 nl80211_sta_wme_policy
);
3927 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3928 params
->uapsd_queues
= nla_get_u8(
3929 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3930 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3933 if (tb
[NL80211_STA_WME_MAX_SP
])
3934 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3936 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3939 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3944 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
3945 struct station_parameters
*params
)
3947 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
3948 params
->supported_channels
=
3949 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3950 params
->supported_channels_len
=
3951 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3953 * Need to include at least one (first channel, number of
3954 * channels) tuple for each subband, and must have proper
3955 * tuples for the rest of the data as well.
3957 if (params
->supported_channels_len
< 2)
3959 if (params
->supported_channels_len
% 2)
3963 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
3964 params
->supported_oper_classes
=
3965 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3966 params
->supported_oper_classes_len
=
3967 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3969 * The value of the Length field of the Supported Operating
3970 * Classes element is between 2 and 253.
3972 if (params
->supported_oper_classes_len
< 2 ||
3973 params
->supported_oper_classes_len
> 253)
3979 static int nl80211_set_station_tdls(struct genl_info
*info
,
3980 struct station_parameters
*params
)
3983 /* Dummy STA entry gets updated once the peer capabilities are known */
3984 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
3985 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
3986 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3988 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3989 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3991 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
3993 err
= nl80211_parse_sta_channel_info(info
, params
);
3997 return nl80211_parse_sta_wme(info
, params
);
4000 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4002 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4003 struct net_device
*dev
= info
->user_ptr
[1];
4004 struct station_parameters params
;
4008 memset(¶ms
, 0, sizeof(params
));
4010 params
.listen_interval
= -1;
4012 if (!rdev
->ops
->change_station
)
4015 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4018 if (!info
->attrs
[NL80211_ATTR_MAC
])
4021 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4023 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4024 params
.supported_rates
=
4025 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4026 params
.supported_rates_len
=
4027 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4030 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4032 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4033 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4036 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4038 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4039 params
.ext_capab_len
=
4040 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4043 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4046 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4049 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4050 params
.plink_action
=
4051 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4052 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4056 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4057 params
.plink_state
=
4058 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4059 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4061 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4064 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4065 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4066 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4068 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4069 pm
> NL80211_MESH_POWER_MAX
)
4072 params
.local_pm
= pm
;
4075 /* Include parameters for TDLS peer (will check later) */
4076 err
= nl80211_set_station_tdls(info
, ¶ms
);
4080 params
.vlan
= get_vlan(info
, rdev
);
4081 if (IS_ERR(params
.vlan
))
4082 return PTR_ERR(params
.vlan
);
4084 switch (dev
->ieee80211_ptr
->iftype
) {
4085 case NL80211_IFTYPE_AP
:
4086 case NL80211_IFTYPE_AP_VLAN
:
4087 case NL80211_IFTYPE_P2P_GO
:
4088 case NL80211_IFTYPE_P2P_CLIENT
:
4089 case NL80211_IFTYPE_STATION
:
4090 case NL80211_IFTYPE_ADHOC
:
4091 case NL80211_IFTYPE_MESH_POINT
:
4098 /* driver will call cfg80211_check_station_change() */
4099 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4103 dev_put(params
.vlan
);
4108 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4110 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4112 struct net_device
*dev
= info
->user_ptr
[1];
4113 struct station_parameters params
;
4114 u8
*mac_addr
= NULL
;
4116 memset(¶ms
, 0, sizeof(params
));
4118 if (!rdev
->ops
->add_station
)
4121 if (!info
->attrs
[NL80211_ATTR_MAC
])
4124 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4127 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4130 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4131 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4134 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4135 params
.supported_rates
=
4136 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4137 params
.supported_rates_len
=
4138 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4139 params
.listen_interval
=
4140 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4142 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4143 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4145 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4146 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4149 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4151 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4152 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4155 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4157 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4158 params
.ext_capab_len
=
4159 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4162 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4164 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4166 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4168 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4170 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4171 params
.opmode_notif_used
= true;
4172 params
.opmode_notif
=
4173 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4176 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4177 params
.plink_action
=
4178 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4179 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4183 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4187 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4191 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4194 /* When you run into this, adjust the code below for the new flag */
4195 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4197 switch (dev
->ieee80211_ptr
->iftype
) {
4198 case NL80211_IFTYPE_AP
:
4199 case NL80211_IFTYPE_AP_VLAN
:
4200 case NL80211_IFTYPE_P2P_GO
:
4201 /* ignore WME attributes if iface/sta is not capable */
4202 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4203 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4204 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4206 /* TDLS peers cannot be added */
4207 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4208 info
->attrs
[NL80211_ATTR_PEER_AID
])
4210 /* but don't bother the driver with it */
4211 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4213 /* allow authenticated/associated only if driver handles it */
4214 if (!(rdev
->wiphy
.features
&
4215 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4216 params
.sta_flags_mask
&
4217 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4218 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4221 /* must be last in here for error handling */
4222 params
.vlan
= get_vlan(info
, rdev
);
4223 if (IS_ERR(params
.vlan
))
4224 return PTR_ERR(params
.vlan
);
4226 case NL80211_IFTYPE_MESH_POINT
:
4227 /* ignore uAPSD data */
4228 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4230 /* associated is disallowed */
4231 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4233 /* TDLS peers cannot be added */
4234 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4235 info
->attrs
[NL80211_ATTR_PEER_AID
])
4238 case NL80211_IFTYPE_STATION
:
4239 case NL80211_IFTYPE_P2P_CLIENT
:
4240 /* ignore uAPSD data */
4241 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4243 /* these are disallowed */
4244 if (params
.sta_flags_mask
&
4245 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4246 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4248 /* Only TDLS peers can be added */
4249 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4251 /* Can only add if TDLS ... */
4252 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4254 /* ... with external setup is supported */
4255 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4258 * Older wpa_supplicant versions always mark the TDLS peer
4259 * as authorized, but it shouldn't yet be.
4261 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4267 /* be aware of params.vlan when changing code here */
4269 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4272 dev_put(params
.vlan
);
4276 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4278 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4279 struct net_device
*dev
= info
->user_ptr
[1];
4280 u8
*mac_addr
= NULL
;
4282 if (info
->attrs
[NL80211_ATTR_MAC
])
4283 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4285 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4286 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4287 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4288 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4291 if (!rdev
->ops
->del_station
)
4294 return rdev_del_station(rdev
, dev
, mac_addr
);
4297 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4298 int flags
, struct net_device
*dev
,
4299 u8
*dst
, u8
*next_hop
,
4300 struct mpath_info
*pinfo
)
4303 struct nlattr
*pinfoattr
;
4305 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4309 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4310 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4311 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4312 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4313 goto nla_put_failure
;
4315 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4317 goto nla_put_failure
;
4318 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4319 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4321 goto nla_put_failure
;
4322 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4323 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4324 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4325 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4327 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4328 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4330 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4331 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4333 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4334 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4335 pinfo
->discovery_timeout
)) ||
4336 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4337 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4338 pinfo
->discovery_retries
)))
4339 goto nla_put_failure
;
4341 nla_nest_end(msg
, pinfoattr
);
4343 return genlmsg_end(msg
, hdr
);
4346 genlmsg_cancel(msg
, hdr
);
4350 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4351 struct netlink_callback
*cb
)
4353 struct mpath_info pinfo
;
4354 struct cfg80211_registered_device
*dev
;
4355 struct wireless_dev
*wdev
;
4357 u8 next_hop
[ETH_ALEN
];
4358 int path_idx
= cb
->args
[2];
4361 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
4365 if (!dev
->ops
->dump_mpath
) {
4370 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4376 err
= rdev_dump_mpath(dev
, wdev
->netdev
, path_idx
, dst
,
4383 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4384 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4385 wdev
->netdev
, dst
, next_hop
,
4394 cb
->args
[2] = path_idx
;
4397 nl80211_finish_wdev_dump(dev
);
4401 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4403 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4405 struct net_device
*dev
= info
->user_ptr
[1];
4406 struct mpath_info pinfo
;
4407 struct sk_buff
*msg
;
4409 u8 next_hop
[ETH_ALEN
];
4411 memset(&pinfo
, 0, sizeof(pinfo
));
4413 if (!info
->attrs
[NL80211_ATTR_MAC
])
4416 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4418 if (!rdev
->ops
->get_mpath
)
4421 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4424 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4428 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4432 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4433 dev
, dst
, next_hop
, &pinfo
) < 0) {
4438 return genlmsg_reply(msg
, info
);
4441 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4443 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4444 struct net_device
*dev
= info
->user_ptr
[1];
4446 u8
*next_hop
= NULL
;
4448 if (!info
->attrs
[NL80211_ATTR_MAC
])
4451 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4454 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4455 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4457 if (!rdev
->ops
->change_mpath
)
4460 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4463 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4466 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4468 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4469 struct net_device
*dev
= info
->user_ptr
[1];
4471 u8
*next_hop
= NULL
;
4473 if (!info
->attrs
[NL80211_ATTR_MAC
])
4476 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4479 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4480 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4482 if (!rdev
->ops
->add_mpath
)
4485 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4488 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4491 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4493 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4494 struct net_device
*dev
= info
->user_ptr
[1];
4497 if (info
->attrs
[NL80211_ATTR_MAC
])
4498 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4500 if (!rdev
->ops
->del_mpath
)
4503 return rdev_del_mpath(rdev
, dev
, dst
);
4506 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4508 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4509 struct net_device
*dev
= info
->user_ptr
[1];
4510 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4511 struct bss_parameters params
;
4514 memset(¶ms
, 0, sizeof(params
));
4515 /* default to not changing parameters */
4516 params
.use_cts_prot
= -1;
4517 params
.use_short_preamble
= -1;
4518 params
.use_short_slot_time
= -1;
4519 params
.ap_isolate
= -1;
4520 params
.ht_opmode
= -1;
4521 params
.p2p_ctwindow
= -1;
4522 params
.p2p_opp_ps
= -1;
4524 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4525 params
.use_cts_prot
=
4526 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4527 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4528 params
.use_short_preamble
=
4529 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4530 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4531 params
.use_short_slot_time
=
4532 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4533 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4534 params
.basic_rates
=
4535 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4536 params
.basic_rates_len
=
4537 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4539 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4540 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4541 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4543 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4545 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4546 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4548 params
.p2p_ctwindow
=
4549 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4550 if (params
.p2p_ctwindow
< 0)
4552 if (params
.p2p_ctwindow
!= 0 &&
4553 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4557 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4560 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4562 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4565 params
.p2p_opp_ps
= tmp
;
4566 if (params
.p2p_opp_ps
&&
4567 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4571 if (!rdev
->ops
->change_bss
)
4574 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4575 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4579 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4585 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4586 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4587 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4588 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4589 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4590 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4591 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4594 static int parse_reg_rule(struct nlattr
*tb
[],
4595 struct ieee80211_reg_rule
*reg_rule
)
4597 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4598 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4600 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4602 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4604 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4606 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4608 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4611 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4613 freq_range
->start_freq_khz
=
4614 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4615 freq_range
->end_freq_khz
=
4616 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4617 freq_range
->max_bandwidth_khz
=
4618 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4620 power_rule
->max_eirp
=
4621 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4623 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4624 power_rule
->max_antenna_gain
=
4625 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4630 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4634 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4637 * You should only get this when cfg80211 hasn't yet initialized
4638 * completely when built-in to the kernel right between the time
4639 * window between nl80211_init() and regulatory_init(), if that is
4642 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4643 return -EINPROGRESS
;
4645 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4648 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4650 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4651 user_reg_hint_type
=
4652 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4654 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4656 switch (user_reg_hint_type
) {
4657 case NL80211_USER_REG_HINT_USER
:
4658 case NL80211_USER_REG_HINT_CELL_BASE
:
4664 r
= regulatory_hint_user(data
, user_reg_hint_type
);
4669 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4670 struct genl_info
*info
)
4672 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4673 struct net_device
*dev
= info
->user_ptr
[1];
4674 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4675 struct mesh_config cur_params
;
4678 struct nlattr
*pinfoattr
;
4679 struct sk_buff
*msg
;
4681 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4684 if (!rdev
->ops
->get_mesh_config
)
4688 /* If not connected, get default parameters */
4689 if (!wdev
->mesh_id_len
)
4690 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4692 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4698 /* Draw up a netlink message to send back */
4699 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4702 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4703 NL80211_CMD_GET_MESH_CONFIG
);
4706 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4708 goto nla_put_failure
;
4709 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4710 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4711 cur_params
.dot11MeshRetryTimeout
) ||
4712 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4713 cur_params
.dot11MeshConfirmTimeout
) ||
4714 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4715 cur_params
.dot11MeshHoldingTimeout
) ||
4716 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4717 cur_params
.dot11MeshMaxPeerLinks
) ||
4718 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4719 cur_params
.dot11MeshMaxRetries
) ||
4720 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4721 cur_params
.dot11MeshTTL
) ||
4722 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4723 cur_params
.element_ttl
) ||
4724 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4725 cur_params
.auto_open_plinks
) ||
4726 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4727 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4728 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4729 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4730 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4731 cur_params
.path_refresh_time
) ||
4732 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4733 cur_params
.min_discovery_timeout
) ||
4734 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4735 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4736 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4737 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4738 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4739 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4740 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4741 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4742 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4743 cur_params
.dot11MeshHWMPRootMode
) ||
4744 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4745 cur_params
.dot11MeshHWMPRannInterval
) ||
4746 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4747 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4748 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4749 cur_params
.dot11MeshForwarding
) ||
4750 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4751 cur_params
.rssi_threshold
) ||
4752 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4753 cur_params
.ht_opmode
) ||
4754 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4755 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4756 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4757 cur_params
.dot11MeshHWMProotInterval
) ||
4758 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4759 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4760 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4761 cur_params
.power_mode
) ||
4762 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4763 cur_params
.dot11MeshAwakeWindowDuration
) ||
4764 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4765 cur_params
.plink_timeout
))
4766 goto nla_put_failure
;
4767 nla_nest_end(msg
, pinfoattr
);
4768 genlmsg_end(msg
, hdr
);
4769 return genlmsg_reply(msg
, info
);
4772 genlmsg_cancel(msg
, hdr
);
4778 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4779 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4780 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4781 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4782 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4783 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4784 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4785 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4786 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4787 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4788 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4789 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4790 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4791 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4792 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4793 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4794 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4795 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4796 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4797 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4798 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4799 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4800 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4801 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4802 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4803 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4804 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4805 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4806 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4809 static const struct nla_policy
4810 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4811 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4812 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4813 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4814 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4815 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4816 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4817 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4818 .len
= IEEE80211_MAX_DATA_LEN
},
4819 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4822 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4823 struct mesh_config
*cfg
,
4826 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4829 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4832 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4834 cfg->param = fn(tb[attr]); \
4835 mask |= (1 << (attr - 1)); \
4840 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4842 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4843 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4844 nl80211_meshconf_params_policy
))
4847 /* This makes sure that there aren't more than 32 mesh config
4848 * parameters (otherwise our bitfield scheme would not work.) */
4849 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4851 /* Fill in the params struct */
4852 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4853 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4855 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4856 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4858 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4859 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4861 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4862 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4864 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4865 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4867 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4868 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4869 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4870 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4872 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4873 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4875 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4877 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4879 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4880 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4882 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4883 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4885 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4886 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4888 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4890 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4892 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4894 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4896 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4898 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4900 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4901 dot11MeshHWMPnetDiameterTraversalTime
,
4903 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4905 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4906 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4908 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4909 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4911 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4912 dot11MeshGateAnnouncementProtocol
, 0, 1,
4913 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4915 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4916 mask
, NL80211_MESHCONF_FORWARDING
,
4918 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4919 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4921 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
4922 mask
, NL80211_MESHCONF_HT_OPMODE
,
4924 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
4926 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4928 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
4929 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4931 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4932 dot11MeshHWMPconfirmationInterval
,
4934 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4936 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
4937 NL80211_MESH_POWER_ACTIVE
,
4938 NL80211_MESH_POWER_MAX
,
4939 mask
, NL80211_MESHCONF_POWER_MODE
,
4941 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
4943 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
4944 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
4945 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4952 #undef FILL_IN_MESH_PARAM_IF_SET
4955 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
4956 struct mesh_setup
*setup
)
4958 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4959 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
4961 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
4963 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
4964 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
4965 nl80211_mesh_setup_params_policy
))
4968 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
4969 setup
->sync_method
=
4970 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
4971 IEEE80211_SYNC_METHOD_VENDOR
:
4972 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
4974 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
4975 setup
->path_sel_proto
=
4976 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
4977 IEEE80211_PATH_PROTOCOL_VENDOR
:
4978 IEEE80211_PATH_PROTOCOL_HWMP
;
4980 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
4981 setup
->path_metric
=
4982 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
4983 IEEE80211_PATH_METRIC_VENDOR
:
4984 IEEE80211_PATH_METRIC_AIRTIME
;
4987 if (tb
[NL80211_MESH_SETUP_IE
]) {
4988 struct nlattr
*ieattr
=
4989 tb
[NL80211_MESH_SETUP_IE
];
4990 if (!is_valid_ie_attr(ieattr
))
4992 setup
->ie
= nla_data(ieattr
);
4993 setup
->ie_len
= nla_len(ieattr
);
4995 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
4996 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
4998 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
4999 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5000 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5001 if (setup
->is_secure
)
5002 setup
->user_mpm
= true;
5004 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5005 if (!setup
->user_mpm
)
5008 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5014 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5015 struct genl_info
*info
)
5017 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5018 struct net_device
*dev
= info
->user_ptr
[1];
5019 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5020 struct mesh_config cfg
;
5024 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5027 if (!rdev
->ops
->update_mesh_config
)
5030 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5035 if (!wdev
->mesh_id_len
)
5039 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5046 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5048 const struct ieee80211_regdomain
*regdom
;
5049 struct sk_buff
*msg
;
5051 struct nlattr
*nl_reg_rules
;
5054 if (!cfg80211_regdomain
)
5057 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5061 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5062 NL80211_CMD_GET_REG
);
5066 if (reg_last_request_cell_base() &&
5067 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5068 NL80211_USER_REG_HINT_CELL_BASE
))
5069 goto nla_put_failure
;
5072 regdom
= rcu_dereference(cfg80211_regdomain
);
5074 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5075 (regdom
->dfs_region
&&
5076 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5077 goto nla_put_failure_rcu
;
5079 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5081 goto nla_put_failure_rcu
;
5083 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5084 struct nlattr
*nl_reg_rule
;
5085 const struct ieee80211_reg_rule
*reg_rule
;
5086 const struct ieee80211_freq_range
*freq_range
;
5087 const struct ieee80211_power_rule
*power_rule
;
5089 reg_rule
= ®dom
->reg_rules
[i
];
5090 freq_range
= ®_rule
->freq_range
;
5091 power_rule
= ®_rule
->power_rule
;
5093 nl_reg_rule
= nla_nest_start(msg
, i
);
5095 goto nla_put_failure_rcu
;
5097 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5099 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5100 freq_range
->start_freq_khz
) ||
5101 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5102 freq_range
->end_freq_khz
) ||
5103 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5104 freq_range
->max_bandwidth_khz
) ||
5105 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5106 power_rule
->max_antenna_gain
) ||
5107 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5108 power_rule
->max_eirp
))
5109 goto nla_put_failure_rcu
;
5111 nla_nest_end(msg
, nl_reg_rule
);
5115 nla_nest_end(msg
, nl_reg_rules
);
5117 genlmsg_end(msg
, hdr
);
5118 return genlmsg_reply(msg
, info
);
5120 nla_put_failure_rcu
:
5123 genlmsg_cancel(msg
, hdr
);
5129 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5131 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5132 struct nlattr
*nl_reg_rule
;
5133 char *alpha2
= NULL
;
5134 int rem_reg_rules
= 0, r
= 0;
5135 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5136 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5137 struct ieee80211_regdomain
*rd
= NULL
;
5139 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5142 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5145 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5147 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5148 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5150 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5153 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5157 if (!reg_is_valid_request(alpha2
))
5160 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5161 num_rules
* sizeof(struct ieee80211_reg_rule
);
5163 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5167 rd
->n_reg_rules
= num_rules
;
5168 rd
->alpha2
[0] = alpha2
[0];
5169 rd
->alpha2
[1] = alpha2
[1];
5172 * Disable DFS master mode if the DFS region was
5173 * not supported or known on this kernel.
5175 if (reg_supported_dfs_region(dfs_region
))
5176 rd
->dfs_region
= dfs_region
;
5178 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5180 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5181 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5183 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5189 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5196 /* set_regdom took ownership */
5204 static int validate_scan_freqs(struct nlattr
*freqs
)
5206 struct nlattr
*attr1
, *attr2
;
5207 int n_channels
= 0, tmp1
, tmp2
;
5209 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5212 * Some hardware has a limited channel list for
5213 * scanning, and it is pretty much nonsensical
5214 * to scan for a channel twice, so disallow that
5215 * and don't require drivers to check that the
5216 * channel list they get isn't longer than what
5217 * they can scan, as long as they can scan all
5218 * the channels they registered at once.
5220 nla_for_each_nested(attr2
, freqs
, tmp2
)
5221 if (attr1
!= attr2
&&
5222 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5229 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5231 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5232 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5233 struct cfg80211_scan_request
*request
;
5234 struct nlattr
*attr
;
5235 struct wiphy
*wiphy
;
5236 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5239 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5242 wiphy
= &rdev
->wiphy
;
5244 if (!rdev
->ops
->scan
)
5247 if (rdev
->scan_req
) {
5252 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5253 n_channels
= validate_scan_freqs(
5254 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5260 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5263 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5264 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5267 if (n_ssids
> wiphy
->max_scan_ssids
) {
5272 if (info
->attrs
[NL80211_ATTR_IE
])
5273 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5277 if (ie_len
> wiphy
->max_scan_ie_len
) {
5282 request
= kzalloc(sizeof(*request
)
5283 + sizeof(*request
->ssids
) * n_ssids
5284 + sizeof(*request
->channels
) * n_channels
5285 + ie_len
, GFP_KERNEL
);
5292 request
->ssids
= (void *)&request
->channels
[n_channels
];
5293 request
->n_ssids
= n_ssids
;
5296 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5298 request
->ie
= (void *)(request
->channels
+ n_channels
);
5302 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5303 /* user specified, bail out if channel not found */
5304 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5305 struct ieee80211_channel
*chan
;
5307 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5314 /* ignore disabled channels */
5315 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5318 request
->channels
[i
] = chan
;
5322 enum ieee80211_band band
;
5325 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5327 if (!wiphy
->bands
[band
])
5329 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5330 struct ieee80211_channel
*chan
;
5332 chan
= &wiphy
->bands
[band
]->channels
[j
];
5334 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5337 request
->channels
[i
] = chan
;
5348 request
->n_channels
= i
;
5351 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5352 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5353 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5357 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5358 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5363 if (info
->attrs
[NL80211_ATTR_IE
]) {
5364 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5365 memcpy((void *)request
->ie
,
5366 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5370 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5371 if (wiphy
->bands
[i
])
5373 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5375 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5376 nla_for_each_nested(attr
,
5377 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5379 enum ieee80211_band band
= nla_type(attr
);
5381 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5386 if (!wiphy
->bands
[band
])
5389 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5392 &request
->rates
[band
]);
5398 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5399 request
->flags
= nla_get_u32(
5400 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5401 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5402 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5409 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5411 request
->wdev
= wdev
;
5412 request
->wiphy
= &rdev
->wiphy
;
5413 request
->scan_start
= jiffies
;
5415 rdev
->scan_req
= request
;
5416 err
= rdev_scan(rdev
, request
);
5419 nl80211_send_scan_start(rdev
, wdev
);
5421 dev_hold(wdev
->netdev
);
5424 rdev
->scan_req
= NULL
;
5432 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5433 struct genl_info
*info
)
5435 struct cfg80211_sched_scan_request
*request
;
5436 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5437 struct net_device
*dev
= info
->user_ptr
[1];
5438 struct nlattr
*attr
;
5439 struct wiphy
*wiphy
;
5440 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5442 enum ieee80211_band band
;
5444 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5446 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5447 !rdev
->ops
->sched_scan_start
)
5450 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5453 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5456 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5460 wiphy
= &rdev
->wiphy
;
5462 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5463 n_channels
= validate_scan_freqs(
5464 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5468 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5471 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5472 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5476 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5479 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
5480 nla_for_each_nested(attr
,
5481 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5485 if (n_match_sets
> wiphy
->max_match_sets
)
5488 if (info
->attrs
[NL80211_ATTR_IE
])
5489 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5493 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5496 if (rdev
->sched_scan_req
) {
5501 request
= kzalloc(sizeof(*request
)
5502 + sizeof(*request
->ssids
) * n_ssids
5503 + sizeof(*request
->match_sets
) * n_match_sets
5504 + sizeof(*request
->channels
) * n_channels
5505 + ie_len
, GFP_KERNEL
);
5512 request
->ssids
= (void *)&request
->channels
[n_channels
];
5513 request
->n_ssids
= n_ssids
;
5516 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5518 request
->ie
= (void *)(request
->channels
+ n_channels
);
5523 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5524 else if (request
->ssids
)
5525 request
->match_sets
=
5526 (void *)(request
->ssids
+ n_ssids
);
5528 request
->match_sets
=
5529 (void *)(request
->channels
+ n_channels
);
5531 request
->n_match_sets
= n_match_sets
;
5534 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5535 /* user specified, bail out if channel not found */
5536 nla_for_each_nested(attr
,
5537 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5539 struct ieee80211_channel
*chan
;
5541 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5548 /* ignore disabled channels */
5549 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5552 request
->channels
[i
] = chan
;
5557 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5559 if (!wiphy
->bands
[band
])
5561 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5562 struct ieee80211_channel
*chan
;
5564 chan
= &wiphy
->bands
[band
]->channels
[j
];
5566 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5569 request
->channels
[i
] = chan
;
5580 request
->n_channels
= i
;
5583 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5584 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5586 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5590 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5591 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5598 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5599 nla_for_each_nested(attr
,
5600 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5602 struct nlattr
*ssid
, *rssi
;
5604 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5605 nla_data(attr
), nla_len(attr
),
5606 nl80211_match_policy
);
5607 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5609 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5613 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5614 nla_data(ssid
), nla_len(ssid
));
5615 request
->match_sets
[i
].ssid
.ssid_len
=
5618 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5620 request
->rssi_thold
= nla_get_u32(rssi
);
5622 request
->rssi_thold
=
5623 NL80211_SCAN_RSSI_THOLD_OFF
;
5628 if (info
->attrs
[NL80211_ATTR_IE
]) {
5629 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5630 memcpy((void *)request
->ie
,
5631 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5635 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5636 request
->flags
= nla_get_u32(
5637 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5638 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5639 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5646 request
->wiphy
= &rdev
->wiphy
;
5647 request
->interval
= interval
;
5648 request
->scan_start
= jiffies
;
5650 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5652 rdev
->sched_scan_req
= request
;
5653 nl80211_send_sched_scan(rdev
, dev
,
5654 NL80211_CMD_START_SCHED_SCAN
);
5664 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5665 struct genl_info
*info
)
5667 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5669 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5670 !rdev
->ops
->sched_scan_stop
)
5673 return __cfg80211_stop_sched_scan(rdev
, false);
5676 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5677 struct genl_info
*info
)
5679 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5680 struct net_device
*dev
= info
->user_ptr
[1];
5681 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5682 struct cfg80211_chan_def chandef
;
5683 enum nl80211_dfs_regions dfs_region
;
5686 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5687 if (dfs_region
== NL80211_DFS_UNSET
)
5690 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5694 if (netif_carrier_ok(dev
))
5697 if (wdev
->cac_started
)
5700 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
);
5707 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
5710 if (!rdev
->ops
->start_radar_detection
)
5713 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5714 chandef
.chan
, CHAN_MODE_SHARED
,
5715 BIT(chandef
.width
));
5719 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
);
5721 wdev
->channel
= chandef
.chan
;
5722 wdev
->cac_started
= true;
5723 wdev
->cac_start_time
= jiffies
;
5728 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5730 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5731 struct net_device
*dev
= info
->user_ptr
[1];
5732 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5733 struct cfg80211_csa_settings params
;
5734 /* csa_attrs is defined static to avoid waste of stack size - this
5735 * function is called under RTNL lock, so this should not be a problem.
5737 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5738 u8 radar_detect_width
= 0;
5740 bool need_new_beacon
= false;
5742 if (!rdev
->ops
->channel_switch
||
5743 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5746 switch (dev
->ieee80211_ptr
->iftype
) {
5747 case NL80211_IFTYPE_AP
:
5748 case NL80211_IFTYPE_P2P_GO
:
5749 need_new_beacon
= true;
5751 /* useless if AP is not running */
5752 if (!wdev
->beacon_interval
)
5755 case NL80211_IFTYPE_ADHOC
:
5756 case NL80211_IFTYPE_MESH_POINT
:
5762 memset(¶ms
, 0, sizeof(params
));
5764 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5765 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5768 /* only important for AP, IBSS and mesh create IEs internally */
5769 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5772 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5774 if (!need_new_beacon
)
5777 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5781 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5782 info
->attrs
[NL80211_ATTR_CSA_IES
],
5787 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5791 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5794 params
.counter_offset_beacon
=
5795 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5796 if (params
.counter_offset_beacon
>= params
.beacon_csa
.tail_len
)
5799 /* sanity check - counters should be the same */
5800 if (params
.beacon_csa
.tail
[params
.counter_offset_beacon
] !=
5804 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5805 params
.counter_offset_presp
=
5806 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5807 if (params
.counter_offset_presp
>=
5808 params
.beacon_csa
.probe_resp_len
)
5811 if (params
.beacon_csa
.probe_resp
[params
.counter_offset_presp
] !=
5817 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
5821 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
5824 if (dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_AP
||
5825 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
||
5826 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_ADHOC
) {
5827 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
5832 radar_detect_width
= BIT(params
.chandef
.width
);
5833 params
.radar_required
= true;
5837 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5838 params
.chandef
.chan
,
5840 radar_detect_width
);
5844 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
5845 params
.block_tx
= true;
5848 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
5854 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5856 struct cfg80211_registered_device
*rdev
,
5857 struct wireless_dev
*wdev
,
5858 struct cfg80211_internal_bss
*intbss
)
5860 struct cfg80211_bss
*res
= &intbss
->pub
;
5861 const struct cfg80211_bss_ies
*ies
;
5866 ASSERT_WDEV_LOCK(wdev
);
5868 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5869 NL80211_CMD_NEW_SCAN_RESULTS
);
5873 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5875 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
5876 goto nla_put_failure
;
5878 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
5879 goto nla_put_failure
;
5880 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
5881 goto nla_put_failure
;
5883 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
5885 goto nla_put_failure
;
5886 if ((!is_zero_ether_addr(res
->bssid
) &&
5887 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
5888 goto nla_put_failure
;
5891 ies
= rcu_dereference(res
->ies
);
5893 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5894 goto fail_unlock_rcu
;
5896 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
5897 ies
->len
, ies
->data
))
5898 goto fail_unlock_rcu
;
5900 ies
= rcu_dereference(res
->beacon_ies
);
5902 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5903 goto fail_unlock_rcu
;
5904 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
5905 ies
->len
, ies
->data
))
5906 goto fail_unlock_rcu
;
5910 if (res
->beacon_interval
&&
5911 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
5912 goto nla_put_failure
;
5913 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
5914 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
5915 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
5916 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
5917 jiffies_to_msecs(jiffies
- intbss
->ts
)))
5918 goto nla_put_failure
;
5920 switch (rdev
->wiphy
.signal_type
) {
5921 case CFG80211_SIGNAL_TYPE_MBM
:
5922 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
5923 goto nla_put_failure
;
5925 case CFG80211_SIGNAL_TYPE_UNSPEC
:
5926 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
5927 goto nla_put_failure
;
5933 switch (wdev
->iftype
) {
5934 case NL80211_IFTYPE_P2P_CLIENT
:
5935 case NL80211_IFTYPE_STATION
:
5936 if (intbss
== wdev
->current_bss
&&
5937 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5938 NL80211_BSS_STATUS_ASSOCIATED
))
5939 goto nla_put_failure
;
5941 case NL80211_IFTYPE_ADHOC
:
5942 if (intbss
== wdev
->current_bss
&&
5943 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5944 NL80211_BSS_STATUS_IBSS_JOINED
))
5945 goto nla_put_failure
;
5951 nla_nest_end(msg
, bss
);
5953 return genlmsg_end(msg
, hdr
);
5958 genlmsg_cancel(msg
, hdr
);
5962 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
5964 struct cfg80211_registered_device
*rdev
;
5965 struct cfg80211_internal_bss
*scan
;
5966 struct wireless_dev
*wdev
;
5967 int start
= cb
->args
[2], idx
= 0;
5970 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5975 spin_lock_bh(&rdev
->bss_lock
);
5976 cfg80211_bss_expire(rdev
);
5978 cb
->seq
= rdev
->bss_generation
;
5980 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
5983 if (nl80211_send_bss(skb
, cb
,
5984 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5985 rdev
, wdev
, scan
) < 0) {
5991 spin_unlock_bh(&rdev
->bss_lock
);
5995 nl80211_finish_wdev_dump(rdev
);
6000 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6001 int flags
, struct net_device
*dev
,
6002 struct survey_info
*survey
)
6005 struct nlattr
*infoattr
;
6007 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6008 NL80211_CMD_NEW_SURVEY_RESULTS
);
6012 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6013 goto nla_put_failure
;
6015 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6017 goto nla_put_failure
;
6019 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6020 survey
->channel
->center_freq
))
6021 goto nla_put_failure
;
6023 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6024 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6025 goto nla_put_failure
;
6026 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6027 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6028 goto nla_put_failure
;
6029 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6030 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6031 survey
->channel_time
))
6032 goto nla_put_failure
;
6033 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6034 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6035 survey
->channel_time_busy
))
6036 goto nla_put_failure
;
6037 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6038 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6039 survey
->channel_time_ext_busy
))
6040 goto nla_put_failure
;
6041 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6042 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6043 survey
->channel_time_rx
))
6044 goto nla_put_failure
;
6045 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6046 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6047 survey
->channel_time_tx
))
6048 goto nla_put_failure
;
6050 nla_nest_end(msg
, infoattr
);
6052 return genlmsg_end(msg
, hdr
);
6055 genlmsg_cancel(msg
, hdr
);
6059 static int nl80211_dump_survey(struct sk_buff
*skb
,
6060 struct netlink_callback
*cb
)
6062 struct survey_info survey
;
6063 struct cfg80211_registered_device
*dev
;
6064 struct wireless_dev
*wdev
;
6065 int survey_idx
= cb
->args
[2];
6068 res
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
6072 if (!wdev
->netdev
) {
6077 if (!dev
->ops
->dump_survey
) {
6083 struct ieee80211_channel
*chan
;
6085 res
= rdev_dump_survey(dev
, wdev
->netdev
, survey_idx
, &survey
);
6091 /* Survey without a channel doesn't make sense */
6092 if (!survey
.channel
) {
6097 chan
= ieee80211_get_channel(&dev
->wiphy
,
6098 survey
.channel
->center_freq
);
6099 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6104 if (nl80211_send_survey(skb
,
6105 NETLINK_CB(cb
->skb
).portid
,
6106 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6107 wdev
->netdev
, &survey
) < 0)
6113 cb
->args
[2] = survey_idx
;
6116 nl80211_finish_wdev_dump(dev
);
6120 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6122 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6123 NL80211_WPA_VERSION_2
));
6126 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6128 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6129 struct net_device
*dev
= info
->user_ptr
[1];
6130 struct ieee80211_channel
*chan
;
6131 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6132 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6133 enum nl80211_auth_type auth_type
;
6134 struct key_parse key
;
6135 bool local_state_change
;
6137 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6140 if (!info
->attrs
[NL80211_ATTR_MAC
])
6143 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6146 if (!info
->attrs
[NL80211_ATTR_SSID
])
6149 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6152 err
= nl80211_parse_key(info
, &key
);
6157 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6159 if (!key
.p
.key
|| !key
.p
.key_len
)
6161 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6162 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6163 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6164 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6176 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6177 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6186 if (!rdev
->ops
->auth
)
6189 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6190 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6193 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6194 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6195 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6196 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6199 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6200 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6202 if (info
->attrs
[NL80211_ATTR_IE
]) {
6203 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6204 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6207 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6208 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6211 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6212 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6215 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6216 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6218 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6219 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6220 /* need to include at least Auth Transaction and Status Code */
6221 if (sae_data_len
< 4)
6225 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6228 * Since we no longer track auth state, ignore
6229 * requests to only change local state.
6231 if (local_state_change
)
6234 wdev_lock(dev
->ieee80211_ptr
);
6235 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6236 ssid
, ssid_len
, ie
, ie_len
,
6237 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6238 sae_data
, sae_data_len
);
6239 wdev_unlock(dev
->ieee80211_ptr
);
6243 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6244 struct genl_info
*info
,
6245 struct cfg80211_crypto_settings
*settings
,
6248 memset(settings
, 0, sizeof(*settings
));
6250 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6252 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6254 proto
= nla_get_u16(
6255 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6256 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6257 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6260 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6261 settings
->control_port_no_encrypt
= true;
6263 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6265 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6269 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6270 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6271 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6273 if (len
% sizeof(u32
))
6276 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6279 memcpy(settings
->ciphers_pairwise
, data
, len
);
6281 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6282 if (!cfg80211_supported_cipher_suite(
6284 settings
->ciphers_pairwise
[i
]))
6288 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6289 settings
->cipher_group
=
6290 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6291 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6292 settings
->cipher_group
))
6296 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6297 settings
->wpa_versions
=
6298 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6299 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6303 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6307 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6308 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6309 settings
->n_akm_suites
= len
/ sizeof(u32
);
6311 if (len
% sizeof(u32
))
6314 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6317 memcpy(settings
->akm_suites
, data
, len
);
6323 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6325 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6326 struct net_device
*dev
= info
->user_ptr
[1];
6327 struct ieee80211_channel
*chan
;
6328 struct cfg80211_assoc_request req
= {};
6329 const u8
*bssid
, *ssid
;
6330 int err
, ssid_len
= 0;
6332 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6335 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6336 !info
->attrs
[NL80211_ATTR_SSID
] ||
6337 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6340 if (!rdev
->ops
->assoc
)
6343 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6344 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6347 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6349 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6350 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6351 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6354 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6355 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6357 if (info
->attrs
[NL80211_ATTR_IE
]) {
6358 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6359 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6362 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6363 enum nl80211_mfp mfp
=
6364 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6365 if (mfp
== NL80211_MFP_REQUIRED
)
6367 else if (mfp
!= NL80211_MFP_NO
)
6371 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6372 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6374 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6375 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6377 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6378 memcpy(&req
.ht_capa_mask
,
6379 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6380 sizeof(req
.ht_capa_mask
));
6382 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6383 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6385 memcpy(&req
.ht_capa
,
6386 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6387 sizeof(req
.ht_capa
));
6390 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6391 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6393 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6394 memcpy(&req
.vht_capa_mask
,
6395 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6396 sizeof(req
.vht_capa_mask
));
6398 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6399 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6401 memcpy(&req
.vht_capa
,
6402 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6403 sizeof(req
.vht_capa
));
6406 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6408 wdev_lock(dev
->ieee80211_ptr
);
6409 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6410 ssid
, ssid_len
, &req
);
6411 wdev_unlock(dev
->ieee80211_ptr
);
6417 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6419 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6420 struct net_device
*dev
= info
->user_ptr
[1];
6421 const u8
*ie
= NULL
, *bssid
;
6422 int ie_len
= 0, err
;
6424 bool local_state_change
;
6426 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6429 if (!info
->attrs
[NL80211_ATTR_MAC
])
6432 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6435 if (!rdev
->ops
->deauth
)
6438 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6439 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6442 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6444 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6445 if (reason_code
== 0) {
6446 /* Reason Code 0 is reserved */
6450 if (info
->attrs
[NL80211_ATTR_IE
]) {
6451 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6452 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6455 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6457 wdev_lock(dev
->ieee80211_ptr
);
6458 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6459 local_state_change
);
6460 wdev_unlock(dev
->ieee80211_ptr
);
6464 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6466 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6467 struct net_device
*dev
= info
->user_ptr
[1];
6468 const u8
*ie
= NULL
, *bssid
;
6469 int ie_len
= 0, err
;
6471 bool local_state_change
;
6473 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6476 if (!info
->attrs
[NL80211_ATTR_MAC
])
6479 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6482 if (!rdev
->ops
->disassoc
)
6485 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6486 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6489 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6491 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6492 if (reason_code
== 0) {
6493 /* Reason Code 0 is reserved */
6497 if (info
->attrs
[NL80211_ATTR_IE
]) {
6498 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6499 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6502 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6504 wdev_lock(dev
->ieee80211_ptr
);
6505 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6506 local_state_change
);
6507 wdev_unlock(dev
->ieee80211_ptr
);
6512 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6513 int mcast_rate
[IEEE80211_NUM_BANDS
],
6516 struct wiphy
*wiphy
= &rdev
->wiphy
;
6520 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6521 struct ieee80211_supported_band
*sband
;
6523 sband
= wiphy
->bands
[band
];
6527 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6528 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6529 mcast_rate
[band
] = i
+ 1;
6539 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6541 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6542 struct net_device
*dev
= info
->user_ptr
[1];
6543 struct cfg80211_ibss_params ibss
;
6544 struct wiphy
*wiphy
;
6545 struct cfg80211_cached_keys
*connkeys
= NULL
;
6548 memset(&ibss
, 0, sizeof(ibss
));
6550 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6553 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6554 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6557 ibss
.beacon_interval
= 100;
6559 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6560 ibss
.beacon_interval
=
6561 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6562 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6566 if (!rdev
->ops
->join_ibss
)
6569 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6572 wiphy
= &rdev
->wiphy
;
6574 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6575 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6577 if (!is_valid_ether_addr(ibss
.bssid
))
6580 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6581 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6583 if (info
->attrs
[NL80211_ATTR_IE
]) {
6584 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6585 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6588 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6592 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
))
6595 switch (ibss
.chandef
.width
) {
6596 case NL80211_CHAN_WIDTH_5
:
6597 case NL80211_CHAN_WIDTH_10
:
6598 case NL80211_CHAN_WIDTH_20_NOHT
:
6600 case NL80211_CHAN_WIDTH_20
:
6601 case NL80211_CHAN_WIDTH_40
:
6602 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6608 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6609 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6611 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6613 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6615 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6616 struct ieee80211_supported_band
*sband
=
6617 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6619 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6625 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6626 memcpy(&ibss
.ht_capa_mask
,
6627 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6628 sizeof(ibss
.ht_capa_mask
));
6630 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6631 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6633 memcpy(&ibss
.ht_capa
,
6634 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6635 sizeof(ibss
.ht_capa
));
6638 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6639 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6640 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6643 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6646 connkeys
= nl80211_parse_connkeys(rdev
,
6647 info
->attrs
[NL80211_ATTR_KEYS
],
6649 if (IS_ERR(connkeys
))
6650 return PTR_ERR(connkeys
);
6652 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6660 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6662 ibss
.userspace_handles_dfs
=
6663 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6665 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6671 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6673 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6674 struct net_device
*dev
= info
->user_ptr
[1];
6676 if (!rdev
->ops
->leave_ibss
)
6679 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6682 return cfg80211_leave_ibss(rdev
, dev
, false);
6685 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6687 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6688 struct net_device
*dev
= info
->user_ptr
[1];
6689 int mcast_rate
[IEEE80211_NUM_BANDS
];
6693 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6694 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6697 if (!rdev
->ops
->set_mcast_rate
)
6700 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6702 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6705 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6706 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6709 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6714 static struct sk_buff
*
6715 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
6716 int approxlen
, u32 portid
, u32 seq
,
6717 enum nl80211_commands cmd
,
6718 enum nl80211_attrs attr
,
6719 const struct nl80211_vendor_cmd_info
*info
,
6722 struct sk_buff
*skb
;
6724 struct nlattr
*data
;
6726 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6730 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
6736 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6737 goto nla_put_failure
;
6740 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
6742 goto nla_put_failure
;
6743 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
6745 goto nla_put_failure
;
6748 data
= nla_nest_start(skb
, attr
);
6750 ((void **)skb
->cb
)[0] = rdev
;
6751 ((void **)skb
->cb
)[1] = hdr
;
6752 ((void **)skb
->cb
)[2] = data
;
6761 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
6762 enum nl80211_commands cmd
,
6763 enum nl80211_attrs attr
,
6764 int vendor_event_idx
,
6765 int approxlen
, gfp_t gfp
)
6767 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6768 const struct nl80211_vendor_cmd_info
*info
;
6771 case NL80211_CMD_TESTMODE
:
6772 if (WARN_ON(vendor_event_idx
!= -1))
6776 case NL80211_CMD_VENDOR
:
6777 if (WARN_ON(vendor_event_idx
< 0 ||
6778 vendor_event_idx
>= wiphy
->n_vendor_events
))
6780 info
= &wiphy
->vendor_events
[vendor_event_idx
];
6787 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
6788 cmd
, attr
, info
, gfp
);
6790 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
6792 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
6794 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6795 void *hdr
= ((void **)skb
->cb
)[1];
6796 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6797 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
6799 nla_nest_end(skb
, data
);
6800 genlmsg_end(skb
, hdr
);
6802 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
6803 mcgrp
= NL80211_MCGRP_VENDOR
;
6805 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
6808 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
6810 #ifdef CONFIG_NL80211_TESTMODE
6811 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6813 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6814 struct wireless_dev
*wdev
=
6815 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
6818 if (!rdev
->ops
->testmode_cmd
)
6822 err
= PTR_ERR(wdev
);
6826 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
6830 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
6833 rdev
->cur_cmd_info
= info
;
6834 err
= rdev_testmode_cmd(rdev
, wdev
,
6835 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
6836 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
6837 rdev
->cur_cmd_info
= NULL
;
6842 static int nl80211_testmode_dump(struct sk_buff
*skb
,
6843 struct netlink_callback
*cb
)
6845 struct cfg80211_registered_device
*rdev
;
6855 * 0 is a valid index, but not valid for args[0],
6856 * so we need to offset by 1.
6858 phy_idx
= cb
->args
[0] - 1;
6860 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
6861 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
6866 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
6867 nl80211_fam
.attrbuf
);
6869 err
= PTR_ERR(rdev
);
6872 phy_idx
= rdev
->wiphy_idx
;
6875 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
6877 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
6881 data
= nla_data((void *)cb
->args
[1]);
6882 data_len
= nla_len((void *)cb
->args
[1]);
6885 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
6891 if (!rdev
->ops
->testmode_dump
) {
6897 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
6898 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6899 NL80211_CMD_TESTMODE
);
6900 struct nlattr
*tmdata
;
6905 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
6906 genlmsg_cancel(skb
, hdr
);
6910 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6912 genlmsg_cancel(skb
, hdr
);
6915 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
6916 nla_nest_end(skb
, tmdata
);
6918 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
6919 genlmsg_cancel(skb
, hdr
);
6922 genlmsg_cancel(skb
, hdr
);
6926 genlmsg_end(skb
, hdr
);
6931 cb
->args
[0] = phy_idx
+ 1;
6938 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
6940 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6941 struct net_device
*dev
= info
->user_ptr
[1];
6942 struct cfg80211_connect_params connect
;
6943 struct wiphy
*wiphy
;
6944 struct cfg80211_cached_keys
*connkeys
= NULL
;
6947 memset(&connect
, 0, sizeof(connect
));
6949 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6952 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6953 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6956 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
6958 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6959 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
6960 NL80211_CMD_CONNECT
))
6963 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
6965 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
6967 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
6968 NL80211_MAX_NR_CIPHER_SUITES
);
6972 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6973 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6976 wiphy
= &rdev
->wiphy
;
6978 connect
.bg_scan_period
= -1;
6979 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
6980 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
6981 connect
.bg_scan_period
=
6982 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
6985 if (info
->attrs
[NL80211_ATTR_MAC
])
6986 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6987 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6988 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6990 if (info
->attrs
[NL80211_ATTR_IE
]) {
6991 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6992 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6995 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6996 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6997 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
6998 connect
.mfp
!= NL80211_MFP_NO
)
7001 connect
.mfp
= NL80211_MFP_NO
;
7004 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7006 ieee80211_get_channel(wiphy
,
7007 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
7008 if (!connect
.channel
||
7009 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
7013 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7014 connkeys
= nl80211_parse_connkeys(rdev
,
7015 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7016 if (IS_ERR(connkeys
))
7017 return PTR_ERR(connkeys
);
7020 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7021 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7023 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7024 memcpy(&connect
.ht_capa_mask
,
7025 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7026 sizeof(connect
.ht_capa_mask
));
7028 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7029 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7033 memcpy(&connect
.ht_capa
,
7034 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7035 sizeof(connect
.ht_capa
));
7038 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7039 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7041 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7042 memcpy(&connect
.vht_capa_mask
,
7043 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7044 sizeof(connect
.vht_capa_mask
));
7046 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7047 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7051 memcpy(&connect
.vht_capa
,
7052 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7053 sizeof(connect
.vht_capa
));
7056 wdev_lock(dev
->ieee80211_ptr
);
7057 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7058 wdev_unlock(dev
->ieee80211_ptr
);
7064 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7066 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7067 struct net_device
*dev
= info
->user_ptr
[1];
7071 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7072 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7074 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7079 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7080 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7083 wdev_lock(dev
->ieee80211_ptr
);
7084 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7085 wdev_unlock(dev
->ieee80211_ptr
);
7089 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7091 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7096 if (!info
->attrs
[NL80211_ATTR_PID
])
7099 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7101 net
= get_net_ns_by_pid(pid
);
7103 return PTR_ERR(net
);
7107 /* check if anything to do */
7108 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7109 err
= cfg80211_switch_netns(rdev
, net
);
7115 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7117 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7118 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7119 struct cfg80211_pmksa
*pmksa
) = NULL
;
7120 struct net_device
*dev
= info
->user_ptr
[1];
7121 struct cfg80211_pmksa pmksa
;
7123 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7125 if (!info
->attrs
[NL80211_ATTR_MAC
])
7128 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7131 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7132 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7134 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7135 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7138 switch (info
->genlhdr
->cmd
) {
7139 case NL80211_CMD_SET_PMKSA
:
7140 rdev_ops
= rdev
->ops
->set_pmksa
;
7142 case NL80211_CMD_DEL_PMKSA
:
7143 rdev_ops
= rdev
->ops
->del_pmksa
;
7153 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7156 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7158 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7159 struct net_device
*dev
= info
->user_ptr
[1];
7161 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7162 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7165 if (!rdev
->ops
->flush_pmksa
)
7168 return rdev_flush_pmksa(rdev
, dev
);
7171 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7173 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7174 struct net_device
*dev
= info
->user_ptr
[1];
7175 u8 action_code
, dialog_token
;
7179 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7180 !rdev
->ops
->tdls_mgmt
)
7183 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7184 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7185 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7186 !info
->attrs
[NL80211_ATTR_IE
] ||
7187 !info
->attrs
[NL80211_ATTR_MAC
])
7190 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7191 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7192 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7193 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7195 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7196 dialog_token
, status_code
,
7197 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7198 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7201 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7203 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7204 struct net_device
*dev
= info
->user_ptr
[1];
7205 enum nl80211_tdls_operation operation
;
7208 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7209 !rdev
->ops
->tdls_oper
)
7212 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7213 !info
->attrs
[NL80211_ATTR_MAC
])
7216 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7217 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7219 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7222 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7223 struct genl_info
*info
)
7225 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7226 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7227 struct cfg80211_chan_def chandef
;
7228 struct sk_buff
*msg
;
7234 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7235 !info
->attrs
[NL80211_ATTR_DURATION
])
7238 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7240 if (!rdev
->ops
->remain_on_channel
||
7241 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7245 * We should be on that channel for at least a minimum amount of
7246 * time (10ms) but no longer than the driver supports.
7248 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7249 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7252 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7256 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7260 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7261 NL80211_CMD_REMAIN_ON_CHANNEL
);
7267 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7273 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7274 goto nla_put_failure
;
7276 genlmsg_end(msg
, hdr
);
7278 return genlmsg_reply(msg
, info
);
7287 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7288 struct genl_info
*info
)
7290 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7291 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7294 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7297 if (!rdev
->ops
->cancel_remain_on_channel
)
7300 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7302 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7305 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7306 u8
*rates
, u8 rates_len
)
7311 for (i
= 0; i
< rates_len
; i
++) {
7312 int rate
= (rates
[i
] & 0x7f) * 5;
7314 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7315 struct ieee80211_rate
*srate
=
7316 &sband
->bitrates
[ridx
];
7317 if (rate
== srate
->bitrate
) {
7322 if (ridx
== sband
->n_bitrates
)
7323 return 0; /* rate not found */
7329 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7330 u8
*rates
, u8 rates_len
,
7331 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7335 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7337 for (i
= 0; i
< rates_len
; i
++) {
7340 ridx
= rates
[i
] / 8;
7341 rbit
= BIT(rates
[i
] % 8);
7343 /* check validity */
7344 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7347 /* check availability */
7348 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7357 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7361 switch (vht_mcs_map
) {
7362 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7364 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7367 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7370 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7380 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7381 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7385 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7386 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7391 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7392 struct nl80211_txrate_vht
*txrate
,
7393 u16 mcs
[NL80211_VHT_NSS_MAX
])
7395 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7396 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7399 if (!sband
->vht_cap
.vht_supported
)
7402 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7404 /* Build vht_mcs_mask from VHT capabilities */
7405 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7407 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7408 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7409 mcs
[i
] = txrate
->mcs
[i
];
7417 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7418 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7419 .len
= NL80211_MAX_SUPP_RATES
},
7420 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7421 .len
= NL80211_MAX_SUPP_HT_RATES
},
7422 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7425 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7426 struct genl_info
*info
)
7428 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7429 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7430 struct cfg80211_bitrate_mask mask
;
7432 struct net_device
*dev
= info
->user_ptr
[1];
7433 struct nlattr
*tx_rates
;
7434 struct ieee80211_supported_band
*sband
;
7437 if (!rdev
->ops
->set_bitrate_mask
)
7440 memset(&mask
, 0, sizeof(mask
));
7441 /* Default to all rates enabled */
7442 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7443 sband
= rdev
->wiphy
.bands
[i
];
7448 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7449 memcpy(mask
.control
[i
].ht_mcs
,
7450 sband
->ht_cap
.mcs
.rx_mask
,
7451 sizeof(mask
.control
[i
].ht_mcs
));
7453 if (!sband
->vht_cap
.vht_supported
)
7456 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7457 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7460 /* if no rates are given set it back to the defaults */
7461 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7465 * The nested attribute uses enum nl80211_band as the index. This maps
7466 * directly to the enum ieee80211_band values used in cfg80211.
7468 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7469 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
7471 enum ieee80211_band band
= nla_type(tx_rates
);
7472 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7474 sband
= rdev
->wiphy
.bands
[band
];
7477 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7478 nla_len(tx_rates
), nl80211_txattr_policy
);
7479 if (tb
[NL80211_TXRATE_LEGACY
]) {
7480 mask
.control
[band
].legacy
= rateset_to_mask(
7482 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7483 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7484 if ((mask
.control
[band
].legacy
== 0) &&
7485 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7488 if (tb
[NL80211_TXRATE_HT
]) {
7489 if (!ht_rateset_to_mask(
7491 nla_data(tb
[NL80211_TXRATE_HT
]),
7492 nla_len(tb
[NL80211_TXRATE_HT
]),
7493 mask
.control
[band
].ht_mcs
))
7496 if (tb
[NL80211_TXRATE_VHT
]) {
7497 if (!vht_set_mcs_mask(
7499 nla_data(tb
[NL80211_TXRATE_VHT
]),
7500 mask
.control
[band
].vht_mcs
))
7504 if (mask
.control
[band
].legacy
== 0) {
7505 /* don't allow empty legacy rates if HT or VHT
7506 * are not even supported.
7508 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
7509 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
7512 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7513 if (mask
.control
[band
].ht_mcs
[i
])
7516 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
7517 if (mask
.control
[band
].vht_mcs
[i
])
7520 /* legacy and mcs rates may not be both empty */
7526 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7529 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7531 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7532 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7533 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7535 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7538 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7539 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7541 switch (wdev
->iftype
) {
7542 case NL80211_IFTYPE_STATION
:
7543 case NL80211_IFTYPE_ADHOC
:
7544 case NL80211_IFTYPE_P2P_CLIENT
:
7545 case NL80211_IFTYPE_AP
:
7546 case NL80211_IFTYPE_AP_VLAN
:
7547 case NL80211_IFTYPE_MESH_POINT
:
7548 case NL80211_IFTYPE_P2P_GO
:
7549 case NL80211_IFTYPE_P2P_DEVICE
:
7555 /* not much point in registering if we can't reply */
7556 if (!rdev
->ops
->mgmt_tx
)
7559 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7560 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7561 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7564 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7566 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7567 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7568 struct cfg80211_chan_def chandef
;
7572 struct sk_buff
*msg
= NULL
;
7573 struct cfg80211_mgmt_tx_params params
= {
7574 .dont_wait_for_ack
=
7575 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7578 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7581 if (!rdev
->ops
->mgmt_tx
)
7584 switch (wdev
->iftype
) {
7585 case NL80211_IFTYPE_P2P_DEVICE
:
7586 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7588 case NL80211_IFTYPE_STATION
:
7589 case NL80211_IFTYPE_ADHOC
:
7590 case NL80211_IFTYPE_P2P_CLIENT
:
7591 case NL80211_IFTYPE_AP
:
7592 case NL80211_IFTYPE_AP_VLAN
:
7593 case NL80211_IFTYPE_MESH_POINT
:
7594 case NL80211_IFTYPE_P2P_GO
:
7600 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7601 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7603 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7606 * We should wait on the channel for at least a minimum amount
7607 * of time (10ms) but no longer than the driver supports.
7609 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7610 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7615 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7617 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7620 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7622 /* get the channel if any has been specified, otherwise pass NULL to
7623 * the driver. The latter will use the current one
7625 chandef
.chan
= NULL
;
7626 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7627 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7632 if (!chandef
.chan
&& params
.offchan
)
7635 if (!params
.dont_wait_for_ack
) {
7636 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7640 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7648 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
7649 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
7650 params
.chan
= chandef
.chan
;
7651 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
7656 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7657 goto nla_put_failure
;
7659 genlmsg_end(msg
, hdr
);
7660 return genlmsg_reply(msg
, info
);
7672 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7674 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7675 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7678 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7681 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7684 switch (wdev
->iftype
) {
7685 case NL80211_IFTYPE_STATION
:
7686 case NL80211_IFTYPE_ADHOC
:
7687 case NL80211_IFTYPE_P2P_CLIENT
:
7688 case NL80211_IFTYPE_AP
:
7689 case NL80211_IFTYPE_AP_VLAN
:
7690 case NL80211_IFTYPE_P2P_GO
:
7691 case NL80211_IFTYPE_P2P_DEVICE
:
7697 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7699 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7702 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7704 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7705 struct wireless_dev
*wdev
;
7706 struct net_device
*dev
= info
->user_ptr
[1];
7711 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7714 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7716 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7719 wdev
= dev
->ieee80211_ptr
;
7721 if (!rdev
->ops
->set_power_mgmt
)
7724 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7726 if (state
== wdev
->ps
)
7729 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7735 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7737 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7738 enum nl80211_ps_state ps_state
;
7739 struct wireless_dev
*wdev
;
7740 struct net_device
*dev
= info
->user_ptr
[1];
7741 struct sk_buff
*msg
;
7745 wdev
= dev
->ieee80211_ptr
;
7747 if (!rdev
->ops
->set_power_mgmt
)
7750 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7754 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7755 NL80211_CMD_GET_POWER_SAVE
);
7762 ps_state
= NL80211_PS_ENABLED
;
7764 ps_state
= NL80211_PS_DISABLED
;
7766 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7767 goto nla_put_failure
;
7769 genlmsg_end(msg
, hdr
);
7770 return genlmsg_reply(msg
, info
);
7779 static struct nla_policy
7780 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
7781 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
7782 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
7783 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
7784 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
7785 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
7786 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
7789 static int nl80211_set_cqm_txe(struct genl_info
*info
,
7790 u32 rate
, u32 pkts
, u32 intvl
)
7792 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7793 struct net_device
*dev
= info
->user_ptr
[1];
7794 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7796 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
7799 if (!rdev
->ops
->set_cqm_txe_config
)
7802 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7803 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7806 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
7809 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
7810 s32 threshold
, u32 hysteresis
)
7812 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7813 struct net_device
*dev
= info
->user_ptr
[1];
7814 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7819 /* disabling - hysteresis should also be zero then */
7823 if (!rdev
->ops
->set_cqm_rssi_config
)
7826 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7827 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7830 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
7833 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
7835 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
7839 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
7843 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
7844 nl80211_attr_cqm_policy
);
7848 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
7849 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
7850 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
7851 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
7853 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
7856 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
7857 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
7858 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
7859 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
7860 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
7861 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
7863 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
7869 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7871 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7872 struct net_device
*dev
= info
->user_ptr
[1];
7873 struct mesh_config cfg
;
7874 struct mesh_setup setup
;
7877 /* start with default */
7878 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
7879 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
7881 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
7882 /* and parse parameters if given */
7883 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
7888 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
7889 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
7892 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7893 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7895 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7896 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
7897 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7900 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7901 setup
.beacon_interval
=
7902 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7903 if (setup
.beacon_interval
< 10 ||
7904 setup
.beacon_interval
> 10000)
7908 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
7910 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
7911 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
7915 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
7916 /* parse additional setup parameters if given */
7917 err
= nl80211_parse_mesh_setup(info
, &setup
);
7923 cfg
.auto_open_plinks
= false;
7925 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7926 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
7930 /* cfg80211_join_mesh() will sort it out */
7931 setup
.chandef
.chan
= NULL
;
7934 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7935 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7937 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7938 struct ieee80211_supported_band
*sband
;
7940 if (!setup
.chandef
.chan
)
7943 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
7945 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7946 &setup
.basic_rates
);
7951 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
7954 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7956 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7957 struct net_device
*dev
= info
->user_ptr
[1];
7959 return cfg80211_leave_mesh(rdev
, dev
);
7963 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
7964 struct cfg80211_registered_device
*rdev
)
7966 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
7967 struct nlattr
*nl_pats
, *nl_pat
;
7970 if (!wowlan
->n_patterns
)
7973 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
7977 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
7978 nl_pat
= nla_nest_start(msg
, i
+ 1);
7981 pat_len
= wowlan
->patterns
[i
].pattern_len
;
7982 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
7983 wowlan
->patterns
[i
].mask
) ||
7984 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
7985 wowlan
->patterns
[i
].pattern
) ||
7986 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
7987 wowlan
->patterns
[i
].pkt_offset
))
7989 nla_nest_end(msg
, nl_pat
);
7991 nla_nest_end(msg
, nl_pats
);
7996 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
7997 struct cfg80211_wowlan_tcp
*tcp
)
7999 struct nlattr
*nl_tcp
;
8004 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8008 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8009 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8010 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8011 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8012 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8013 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8014 tcp
->payload_len
, tcp
->payload
) ||
8015 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8016 tcp
->data_interval
) ||
8017 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8018 tcp
->wake_len
, tcp
->wake_data
) ||
8019 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8020 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8023 if (tcp
->payload_seq
.len
&&
8024 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8025 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8028 if (tcp
->payload_tok
.len
&&
8029 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8030 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8034 nla_nest_end(msg
, nl_tcp
);
8039 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8041 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8042 struct sk_buff
*msg
;
8044 u32 size
= NLMSG_DEFAULT_SIZE
;
8046 if (!rdev
->wiphy
.wowlan
)
8049 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8050 /* adjust size to have room for all the data */
8051 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8052 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8053 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8054 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8057 msg
= nlmsg_new(size
, GFP_KERNEL
);
8061 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8062 NL80211_CMD_GET_WOWLAN
);
8064 goto nla_put_failure
;
8066 if (rdev
->wiphy
.wowlan_config
) {
8067 struct nlattr
*nl_wowlan
;
8069 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8071 goto nla_put_failure
;
8073 if ((rdev
->wiphy
.wowlan_config
->any
&&
8074 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8075 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8076 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8077 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8078 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8079 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8080 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8081 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8082 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8083 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8084 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8085 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8086 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8087 goto nla_put_failure
;
8089 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8090 goto nla_put_failure
;
8092 if (nl80211_send_wowlan_tcp(msg
,
8093 rdev
->wiphy
.wowlan_config
->tcp
))
8094 goto nla_put_failure
;
8096 nla_nest_end(msg
, nl_wowlan
);
8099 genlmsg_end(msg
, hdr
);
8100 return genlmsg_reply(msg
, info
);
8107 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8108 struct nlattr
*attr
,
8109 struct cfg80211_wowlan
*trig
)
8111 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8112 struct cfg80211_wowlan_tcp
*cfg
;
8113 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8114 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8116 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8119 if (!rdev
->wiphy
.wowlan
->tcp
)
8122 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8123 nla_data(attr
), nla_len(attr
),
8124 nl80211_wowlan_tcp_policy
);
8128 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8129 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8130 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8131 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8132 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8133 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8134 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8135 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8138 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8139 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8142 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8143 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8144 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8147 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8148 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8151 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8152 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8155 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8156 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8158 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8159 tokens_size
= tokln
- sizeof(*tok
);
8161 if (!tok
->len
|| tokens_size
% tok
->len
)
8163 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8165 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8167 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8169 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8171 if (tok
->offset
+ tok
->len
> data_size
)
8175 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8176 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8177 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8179 if (seq
->len
== 0 || seq
->len
> 4)
8181 if (seq
->len
+ seq
->offset
> data_size
)
8185 size
= sizeof(*cfg
);
8187 size
+= wake_size
+ wake_mask_size
;
8188 size
+= tokens_size
;
8190 cfg
= kzalloc(size
, GFP_KERNEL
);
8193 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8194 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8195 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8197 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8198 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8202 /* allocate a socket and port for it and use it */
8203 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8204 IPPROTO_TCP
, &cfg
->sock
, 1);
8209 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8210 sock_release(cfg
->sock
);
8214 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8220 cfg
->src_port
= port
;
8223 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8224 cfg
->payload_len
= data_size
;
8225 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8226 memcpy((void *)cfg
->payload
,
8227 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8230 cfg
->payload_seq
= *seq
;
8231 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8232 cfg
->wake_len
= wake_size
;
8233 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8234 memcpy((void *)cfg
->wake_data
,
8235 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8237 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8238 data_size
+ wake_size
;
8239 memcpy((void *)cfg
->wake_mask
,
8240 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8243 cfg
->tokens_size
= tokens_size
;
8244 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8252 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8254 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8255 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8256 struct cfg80211_wowlan new_triggers
= {};
8257 struct cfg80211_wowlan
*ntrig
;
8258 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8260 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8265 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8266 cfg80211_rdev_free_wowlan(rdev
);
8267 rdev
->wiphy
.wowlan_config
= NULL
;
8271 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8272 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8273 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8274 nl80211_wowlan_policy
);
8278 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8279 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8281 new_triggers
.any
= true;
8284 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8285 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8287 new_triggers
.disconnect
= true;
8290 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8291 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8293 new_triggers
.magic_pkt
= true;
8296 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8299 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8300 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8302 new_triggers
.gtk_rekey_failure
= true;
8305 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8306 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8308 new_triggers
.eap_identity_req
= true;
8311 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8312 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8314 new_triggers
.four_way_handshake
= true;
8317 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8318 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8320 new_triggers
.rfkill_release
= true;
8323 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8326 int rem
, pat_len
, mask_len
, pkt_offset
;
8327 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8329 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8332 if (n_patterns
> wowlan
->n_patterns
)
8335 new_triggers
.patterns
= kcalloc(n_patterns
,
8336 sizeof(new_triggers
.patterns
[0]),
8338 if (!new_triggers
.patterns
)
8341 new_triggers
.n_patterns
= n_patterns
;
8344 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8346 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8347 nla_len(pat
), NULL
);
8349 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8350 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8352 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8353 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8354 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8356 if (pat_len
> wowlan
->pattern_max_len
||
8357 pat_len
< wowlan
->pattern_min_len
)
8360 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8363 pkt_offset
= nla_get_u32(
8364 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8365 if (pkt_offset
> wowlan
->max_pkt_offset
)
8367 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8369 new_triggers
.patterns
[i
].mask
=
8370 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8371 if (!new_triggers
.patterns
[i
].mask
) {
8375 new_triggers
.patterns
[i
].pattern
=
8376 new_triggers
.patterns
[i
].mask
+ mask_len
;
8377 memcpy(new_triggers
.patterns
[i
].mask
,
8378 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8380 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8381 memcpy(new_triggers
.patterns
[i
].pattern
,
8382 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8388 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8389 err
= nl80211_parse_wowlan_tcp(
8390 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8396 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8401 cfg80211_rdev_free_wowlan(rdev
);
8402 rdev
->wiphy
.wowlan_config
= ntrig
;
8405 if (rdev
->ops
->set_wakeup
&&
8406 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8407 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8411 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8412 kfree(new_triggers
.patterns
[i
].mask
);
8413 kfree(new_triggers
.patterns
);
8414 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8415 sock_release(new_triggers
.tcp
->sock
);
8416 kfree(new_triggers
.tcp
);
8421 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8422 struct cfg80211_registered_device
*rdev
)
8424 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8426 struct cfg80211_coalesce_rules
*rule
;
8428 if (!rdev
->coalesce
->n_rules
)
8431 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8435 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8436 nl_rule
= nla_nest_start(msg
, i
+ 1);
8440 rule
= &rdev
->coalesce
->rules
[i
];
8441 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8445 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8449 nl_pats
= nla_nest_start(msg
,
8450 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8454 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8455 nl_pat
= nla_nest_start(msg
, j
+ 1);
8458 pat_len
= rule
->patterns
[j
].pattern_len
;
8459 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8460 DIV_ROUND_UP(pat_len
, 8),
8461 rule
->patterns
[j
].mask
) ||
8462 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8463 rule
->patterns
[j
].pattern
) ||
8464 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8465 rule
->patterns
[j
].pkt_offset
))
8467 nla_nest_end(msg
, nl_pat
);
8469 nla_nest_end(msg
, nl_pats
);
8470 nla_nest_end(msg
, nl_rule
);
8472 nla_nest_end(msg
, nl_rules
);
8477 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8479 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8480 struct sk_buff
*msg
;
8483 if (!rdev
->wiphy
.coalesce
)
8486 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8490 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8491 NL80211_CMD_GET_COALESCE
);
8493 goto nla_put_failure
;
8495 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8496 goto nla_put_failure
;
8498 genlmsg_end(msg
, hdr
);
8499 return genlmsg_reply(msg
, info
);
8506 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8508 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8510 struct cfg80211_coalesce_rules
*rule
;
8515 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8516 rule
= &coalesce
->rules
[i
];
8517 for (j
= 0; j
< rule
->n_patterns
; j
++)
8518 kfree(rule
->patterns
[j
].mask
);
8519 kfree(rule
->patterns
);
8521 kfree(coalesce
->rules
);
8523 rdev
->coalesce
= NULL
;
8526 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8527 struct nlattr
*rule
,
8528 struct cfg80211_coalesce_rules
*new_rule
)
8531 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8532 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8533 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8534 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8536 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8537 nla_len(rule
), nl80211_coalesce_policy
);
8541 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8543 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8544 if (new_rule
->delay
> coalesce
->max_delay
)
8547 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8548 new_rule
->condition
=
8549 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8550 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8551 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8554 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8557 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8560 if (n_patterns
> coalesce
->n_patterns
)
8563 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8565 if (!new_rule
->patterns
)
8568 new_rule
->n_patterns
= n_patterns
;
8571 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8573 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8574 nla_len(pat
), NULL
);
8575 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8576 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8578 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8579 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8580 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8582 if (pat_len
> coalesce
->pattern_max_len
||
8583 pat_len
< coalesce
->pattern_min_len
)
8586 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8589 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8590 if (pkt_offset
> coalesce
->max_pkt_offset
)
8592 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8594 new_rule
->patterns
[i
].mask
=
8595 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8596 if (!new_rule
->patterns
[i
].mask
)
8598 new_rule
->patterns
[i
].pattern
=
8599 new_rule
->patterns
[i
].mask
+ mask_len
;
8600 memcpy(new_rule
->patterns
[i
].mask
,
8601 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]), mask_len
);
8602 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8603 memcpy(new_rule
->patterns
[i
].pattern
,
8604 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]), pat_len
);
8611 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8613 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8614 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8615 struct cfg80211_coalesce new_coalesce
= {};
8616 struct cfg80211_coalesce
*n_coalesce
;
8617 int err
, rem_rule
, n_rules
= 0, i
, j
;
8618 struct nlattr
*rule
;
8619 struct cfg80211_coalesce_rules
*tmp_rule
;
8621 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8624 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8625 cfg80211_rdev_free_coalesce(rdev
);
8626 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8630 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8633 if (n_rules
> coalesce
->n_rules
)
8636 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8638 if (!new_coalesce
.rules
)
8641 new_coalesce
.n_rules
= n_rules
;
8644 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8646 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8647 &new_coalesce
.rules
[i
]);
8654 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8658 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8663 cfg80211_rdev_free_coalesce(rdev
);
8664 rdev
->coalesce
= n_coalesce
;
8668 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8669 tmp_rule
= &new_coalesce
.rules
[i
];
8670 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8671 kfree(tmp_rule
->patterns
[j
].mask
);
8672 kfree(tmp_rule
->patterns
);
8674 kfree(new_coalesce
.rules
);
8679 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8681 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8682 struct net_device
*dev
= info
->user_ptr
[1];
8683 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8684 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8685 struct cfg80211_gtk_rekey_data rekey_data
;
8688 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8691 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8692 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8693 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8694 nl80211_rekey_policy
);
8698 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8700 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8702 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8705 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8707 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8709 memcpy(rekey_data
.replay_ctr
,
8710 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8711 NL80211_REPLAY_CTR_LEN
);
8714 if (!wdev
->current_bss
) {
8719 if (!rdev
->ops
->set_rekey_data
) {
8724 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8730 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8731 struct genl_info
*info
)
8733 struct net_device
*dev
= info
->user_ptr
[1];
8734 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8736 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8737 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8740 if (wdev
->ap_unexpected_nlportid
)
8743 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8747 static int nl80211_probe_client(struct sk_buff
*skb
,
8748 struct genl_info
*info
)
8750 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8751 struct net_device
*dev
= info
->user_ptr
[1];
8752 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8753 struct sk_buff
*msg
;
8759 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8760 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8763 if (!info
->attrs
[NL80211_ATTR_MAC
])
8766 if (!rdev
->ops
->probe_client
)
8769 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8773 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8774 NL80211_CMD_PROBE_CLIENT
);
8780 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8782 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
8786 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8787 goto nla_put_failure
;
8789 genlmsg_end(msg
, hdr
);
8791 return genlmsg_reply(msg
, info
);
8800 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
8802 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8803 struct cfg80211_beacon_registration
*reg
, *nreg
;
8806 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
8809 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
8813 /* First, check if already registered. */
8814 spin_lock_bh(&rdev
->beacon_registrations_lock
);
8815 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
8816 if (reg
->nlportid
== info
->snd_portid
) {
8821 /* Add it to the list */
8822 nreg
->nlportid
= info
->snd_portid
;
8823 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
8825 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8829 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8834 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8836 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8837 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8840 if (!rdev
->ops
->start_p2p_device
)
8843 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8846 if (wdev
->p2p_started
)
8849 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
8853 err
= rdev_start_p2p_device(rdev
, wdev
);
8857 wdev
->p2p_started
= true;
8863 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8865 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8866 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8868 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8871 if (!rdev
->ops
->stop_p2p_device
)
8874 cfg80211_stop_p2p_device(rdev
, wdev
);
8879 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
8880 struct genl_info
*info
)
8883 struct sk_buff
*msg
;
8885 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8889 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8890 NL80211_CMD_GET_PROTOCOL_FEATURES
);
8892 goto nla_put_failure
;
8894 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
8895 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
8896 goto nla_put_failure
;
8898 genlmsg_end(msg
, hdr
);
8899 return genlmsg_reply(msg
, info
);
8906 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
8908 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8909 struct cfg80211_update_ft_ies_params ft_params
;
8910 struct net_device
*dev
= info
->user_ptr
[1];
8912 if (!rdev
->ops
->update_ft_ies
)
8915 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
8916 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8919 memset(&ft_params
, 0, sizeof(ft_params
));
8920 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
8921 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8922 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8924 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
8927 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
8928 struct genl_info
*info
)
8930 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8931 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8932 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
8936 if (!rdev
->ops
->crit_proto_start
)
8939 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
8942 if (rdev
->crit_proto_nlportid
)
8945 /* determine protocol if provided */
8946 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
8947 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
8949 if (proto
>= NUM_NL80211_CRIT_PROTO
)
8952 /* timeout must be provided */
8953 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
8957 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
8959 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
8962 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
8964 rdev
->crit_proto_nlportid
= info
->snd_portid
;
8969 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
8970 struct genl_info
*info
)
8972 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8973 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8975 if (!rdev
->ops
->crit_proto_stop
)
8978 if (rdev
->crit_proto_nlportid
) {
8979 rdev
->crit_proto_nlportid
= 0;
8980 rdev_crit_proto_stop(rdev
, wdev
);
8985 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
8987 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8988 struct wireless_dev
*wdev
=
8989 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8993 if (!rdev
->wiphy
.vendor_commands
)
8997 err
= PTR_ERR(wdev
);
9001 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9005 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9006 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9009 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9010 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9011 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9012 const struct wiphy_vendor_command
*vcmd
;
9016 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9018 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9021 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9022 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9025 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9029 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9031 !netif_running(wdev
->netdev
))
9033 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9040 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9041 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9042 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9045 rdev
->cur_cmd_info
= info
;
9046 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9048 rdev
->cur_cmd_info
= NULL
;
9055 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9056 enum nl80211_commands cmd
,
9057 enum nl80211_attrs attr
,
9060 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
9062 if (WARN_ON(!rdev
->cur_cmd_info
))
9065 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9066 rdev
->cur_cmd_info
->snd_portid
,
9067 rdev
->cur_cmd_info
->snd_seq
,
9068 cmd
, attr
, NULL
, GFP_KERNEL
);
9070 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9072 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9074 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9075 void *hdr
= ((void **)skb
->cb
)[1];
9076 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9078 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9083 nla_nest_end(skb
, data
);
9084 genlmsg_end(skb
, hdr
);
9085 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9087 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9090 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9091 struct genl_info
*info
)
9093 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9094 struct cfg80211_qos_map
*qos_map
= NULL
;
9095 struct net_device
*dev
= info
->user_ptr
[1];
9096 u8
*pos
, len
, num_des
, des_len
, des
;
9099 if (!rdev
->ops
->set_qos_map
)
9102 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9103 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9104 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9106 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9107 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9110 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9114 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9117 sizeof(struct cfg80211_dscp_exception
);
9118 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9119 qos_map
->num_des
= num_des
;
9120 for (des
= 0; des
< num_des
; des
++) {
9121 if (qos_map
->dscp_exception
[des
].up
> 7) {
9128 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9131 wdev_lock(dev
->ieee80211_ptr
);
9132 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9134 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9135 wdev_unlock(dev
->ieee80211_ptr
);
9141 #define NL80211_FLAG_NEED_WIPHY 0x01
9142 #define NL80211_FLAG_NEED_NETDEV 0x02
9143 #define NL80211_FLAG_NEED_RTNL 0x04
9144 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9145 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9146 NL80211_FLAG_CHECK_NETDEV_UP)
9147 #define NL80211_FLAG_NEED_WDEV 0x10
9148 /* If a netdev is associated, it must be UP, P2P must be started */
9149 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9150 NL80211_FLAG_CHECK_NETDEV_UP)
9152 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9153 struct genl_info
*info
)
9155 struct cfg80211_registered_device
*rdev
;
9156 struct wireless_dev
*wdev
;
9157 struct net_device
*dev
;
9158 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9163 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9164 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9168 return PTR_ERR(rdev
);
9170 info
->user_ptr
[0] = rdev
;
9171 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9172 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9175 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9180 return PTR_ERR(wdev
);
9184 rdev
= wiphy_to_dev(wdev
->wiphy
);
9186 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9193 info
->user_ptr
[1] = dev
;
9195 info
->user_ptr
[1] = wdev
;
9199 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9200 !netif_running(dev
)) {
9207 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9208 if (!wdev
->p2p_started
) {
9215 info
->user_ptr
[0] = rdev
;
9221 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9222 struct genl_info
*info
)
9224 if (info
->user_ptr
[1]) {
9225 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9226 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9229 dev_put(wdev
->netdev
);
9231 dev_put(info
->user_ptr
[1]);
9234 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9238 static const struct genl_ops nl80211_ops
[] = {
9240 .cmd
= NL80211_CMD_GET_WIPHY
,
9241 .doit
= nl80211_get_wiphy
,
9242 .dumpit
= nl80211_dump_wiphy
,
9243 .done
= nl80211_dump_wiphy_done
,
9244 .policy
= nl80211_policy
,
9245 /* can be retrieved by unprivileged users */
9246 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9247 NL80211_FLAG_NEED_RTNL
,
9250 .cmd
= NL80211_CMD_SET_WIPHY
,
9251 .doit
= nl80211_set_wiphy
,
9252 .policy
= nl80211_policy
,
9253 .flags
= GENL_ADMIN_PERM
,
9254 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9257 .cmd
= NL80211_CMD_GET_INTERFACE
,
9258 .doit
= nl80211_get_interface
,
9259 .dumpit
= nl80211_dump_interface
,
9260 .policy
= nl80211_policy
,
9261 /* can be retrieved by unprivileged users */
9262 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9263 NL80211_FLAG_NEED_RTNL
,
9266 .cmd
= NL80211_CMD_SET_INTERFACE
,
9267 .doit
= nl80211_set_interface
,
9268 .policy
= nl80211_policy
,
9269 .flags
= GENL_ADMIN_PERM
,
9270 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9271 NL80211_FLAG_NEED_RTNL
,
9274 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9275 .doit
= nl80211_new_interface
,
9276 .policy
= nl80211_policy
,
9277 .flags
= GENL_ADMIN_PERM
,
9278 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9279 NL80211_FLAG_NEED_RTNL
,
9282 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9283 .doit
= nl80211_del_interface
,
9284 .policy
= nl80211_policy
,
9285 .flags
= GENL_ADMIN_PERM
,
9286 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9287 NL80211_FLAG_NEED_RTNL
,
9290 .cmd
= NL80211_CMD_GET_KEY
,
9291 .doit
= nl80211_get_key
,
9292 .policy
= nl80211_policy
,
9293 .flags
= GENL_ADMIN_PERM
,
9294 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9295 NL80211_FLAG_NEED_RTNL
,
9298 .cmd
= NL80211_CMD_SET_KEY
,
9299 .doit
= nl80211_set_key
,
9300 .policy
= nl80211_policy
,
9301 .flags
= GENL_ADMIN_PERM
,
9302 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9303 NL80211_FLAG_NEED_RTNL
,
9306 .cmd
= NL80211_CMD_NEW_KEY
,
9307 .doit
= nl80211_new_key
,
9308 .policy
= nl80211_policy
,
9309 .flags
= GENL_ADMIN_PERM
,
9310 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9311 NL80211_FLAG_NEED_RTNL
,
9314 .cmd
= NL80211_CMD_DEL_KEY
,
9315 .doit
= nl80211_del_key
,
9316 .policy
= nl80211_policy
,
9317 .flags
= GENL_ADMIN_PERM
,
9318 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9319 NL80211_FLAG_NEED_RTNL
,
9322 .cmd
= NL80211_CMD_SET_BEACON
,
9323 .policy
= nl80211_policy
,
9324 .flags
= GENL_ADMIN_PERM
,
9325 .doit
= nl80211_set_beacon
,
9326 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9327 NL80211_FLAG_NEED_RTNL
,
9330 .cmd
= NL80211_CMD_START_AP
,
9331 .policy
= nl80211_policy
,
9332 .flags
= GENL_ADMIN_PERM
,
9333 .doit
= nl80211_start_ap
,
9334 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9335 NL80211_FLAG_NEED_RTNL
,
9338 .cmd
= NL80211_CMD_STOP_AP
,
9339 .policy
= nl80211_policy
,
9340 .flags
= GENL_ADMIN_PERM
,
9341 .doit
= nl80211_stop_ap
,
9342 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9343 NL80211_FLAG_NEED_RTNL
,
9346 .cmd
= NL80211_CMD_GET_STATION
,
9347 .doit
= nl80211_get_station
,
9348 .dumpit
= nl80211_dump_station
,
9349 .policy
= nl80211_policy
,
9350 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9351 NL80211_FLAG_NEED_RTNL
,
9354 .cmd
= NL80211_CMD_SET_STATION
,
9355 .doit
= nl80211_set_station
,
9356 .policy
= nl80211_policy
,
9357 .flags
= GENL_ADMIN_PERM
,
9358 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9359 NL80211_FLAG_NEED_RTNL
,
9362 .cmd
= NL80211_CMD_NEW_STATION
,
9363 .doit
= nl80211_new_station
,
9364 .policy
= nl80211_policy
,
9365 .flags
= GENL_ADMIN_PERM
,
9366 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9367 NL80211_FLAG_NEED_RTNL
,
9370 .cmd
= NL80211_CMD_DEL_STATION
,
9371 .doit
= nl80211_del_station
,
9372 .policy
= nl80211_policy
,
9373 .flags
= GENL_ADMIN_PERM
,
9374 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9375 NL80211_FLAG_NEED_RTNL
,
9378 .cmd
= NL80211_CMD_GET_MPATH
,
9379 .doit
= nl80211_get_mpath
,
9380 .dumpit
= nl80211_dump_mpath
,
9381 .policy
= nl80211_policy
,
9382 .flags
= GENL_ADMIN_PERM
,
9383 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9384 NL80211_FLAG_NEED_RTNL
,
9387 .cmd
= NL80211_CMD_SET_MPATH
,
9388 .doit
= nl80211_set_mpath
,
9389 .policy
= nl80211_policy
,
9390 .flags
= GENL_ADMIN_PERM
,
9391 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9392 NL80211_FLAG_NEED_RTNL
,
9395 .cmd
= NL80211_CMD_NEW_MPATH
,
9396 .doit
= nl80211_new_mpath
,
9397 .policy
= nl80211_policy
,
9398 .flags
= GENL_ADMIN_PERM
,
9399 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9400 NL80211_FLAG_NEED_RTNL
,
9403 .cmd
= NL80211_CMD_DEL_MPATH
,
9404 .doit
= nl80211_del_mpath
,
9405 .policy
= nl80211_policy
,
9406 .flags
= GENL_ADMIN_PERM
,
9407 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9408 NL80211_FLAG_NEED_RTNL
,
9411 .cmd
= NL80211_CMD_SET_BSS
,
9412 .doit
= nl80211_set_bss
,
9413 .policy
= nl80211_policy
,
9414 .flags
= GENL_ADMIN_PERM
,
9415 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9416 NL80211_FLAG_NEED_RTNL
,
9419 .cmd
= NL80211_CMD_GET_REG
,
9420 .doit
= nl80211_get_reg
,
9421 .policy
= nl80211_policy
,
9422 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9423 /* can be retrieved by unprivileged users */
9426 .cmd
= NL80211_CMD_SET_REG
,
9427 .doit
= nl80211_set_reg
,
9428 .policy
= nl80211_policy
,
9429 .flags
= GENL_ADMIN_PERM
,
9430 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9433 .cmd
= NL80211_CMD_REQ_SET_REG
,
9434 .doit
= nl80211_req_set_reg
,
9435 .policy
= nl80211_policy
,
9436 .flags
= GENL_ADMIN_PERM
,
9439 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9440 .doit
= nl80211_get_mesh_config
,
9441 .policy
= nl80211_policy
,
9442 /* can be retrieved by unprivileged users */
9443 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9444 NL80211_FLAG_NEED_RTNL
,
9447 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9448 .doit
= nl80211_update_mesh_config
,
9449 .policy
= nl80211_policy
,
9450 .flags
= GENL_ADMIN_PERM
,
9451 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9452 NL80211_FLAG_NEED_RTNL
,
9455 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9456 .doit
= nl80211_trigger_scan
,
9457 .policy
= nl80211_policy
,
9458 .flags
= GENL_ADMIN_PERM
,
9459 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9460 NL80211_FLAG_NEED_RTNL
,
9463 .cmd
= NL80211_CMD_GET_SCAN
,
9464 .policy
= nl80211_policy
,
9465 .dumpit
= nl80211_dump_scan
,
9468 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9469 .doit
= nl80211_start_sched_scan
,
9470 .policy
= nl80211_policy
,
9471 .flags
= GENL_ADMIN_PERM
,
9472 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9473 NL80211_FLAG_NEED_RTNL
,
9476 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9477 .doit
= nl80211_stop_sched_scan
,
9478 .policy
= nl80211_policy
,
9479 .flags
= GENL_ADMIN_PERM
,
9480 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9481 NL80211_FLAG_NEED_RTNL
,
9484 .cmd
= NL80211_CMD_AUTHENTICATE
,
9485 .doit
= nl80211_authenticate
,
9486 .policy
= nl80211_policy
,
9487 .flags
= GENL_ADMIN_PERM
,
9488 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9489 NL80211_FLAG_NEED_RTNL
,
9492 .cmd
= NL80211_CMD_ASSOCIATE
,
9493 .doit
= nl80211_associate
,
9494 .policy
= nl80211_policy
,
9495 .flags
= GENL_ADMIN_PERM
,
9496 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9497 NL80211_FLAG_NEED_RTNL
,
9500 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9501 .doit
= nl80211_deauthenticate
,
9502 .policy
= nl80211_policy
,
9503 .flags
= GENL_ADMIN_PERM
,
9504 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9505 NL80211_FLAG_NEED_RTNL
,
9508 .cmd
= NL80211_CMD_DISASSOCIATE
,
9509 .doit
= nl80211_disassociate
,
9510 .policy
= nl80211_policy
,
9511 .flags
= GENL_ADMIN_PERM
,
9512 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9513 NL80211_FLAG_NEED_RTNL
,
9516 .cmd
= NL80211_CMD_JOIN_IBSS
,
9517 .doit
= nl80211_join_ibss
,
9518 .policy
= nl80211_policy
,
9519 .flags
= GENL_ADMIN_PERM
,
9520 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9521 NL80211_FLAG_NEED_RTNL
,
9524 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9525 .doit
= nl80211_leave_ibss
,
9526 .policy
= nl80211_policy
,
9527 .flags
= GENL_ADMIN_PERM
,
9528 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9529 NL80211_FLAG_NEED_RTNL
,
9531 #ifdef CONFIG_NL80211_TESTMODE
9533 .cmd
= NL80211_CMD_TESTMODE
,
9534 .doit
= nl80211_testmode_do
,
9535 .dumpit
= nl80211_testmode_dump
,
9536 .policy
= nl80211_policy
,
9537 .flags
= GENL_ADMIN_PERM
,
9538 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9539 NL80211_FLAG_NEED_RTNL
,
9543 .cmd
= NL80211_CMD_CONNECT
,
9544 .doit
= nl80211_connect
,
9545 .policy
= nl80211_policy
,
9546 .flags
= GENL_ADMIN_PERM
,
9547 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9548 NL80211_FLAG_NEED_RTNL
,
9551 .cmd
= NL80211_CMD_DISCONNECT
,
9552 .doit
= nl80211_disconnect
,
9553 .policy
= nl80211_policy
,
9554 .flags
= GENL_ADMIN_PERM
,
9555 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9556 NL80211_FLAG_NEED_RTNL
,
9559 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9560 .doit
= nl80211_wiphy_netns
,
9561 .policy
= nl80211_policy
,
9562 .flags
= GENL_ADMIN_PERM
,
9563 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9564 NL80211_FLAG_NEED_RTNL
,
9567 .cmd
= NL80211_CMD_GET_SURVEY
,
9568 .policy
= nl80211_policy
,
9569 .dumpit
= nl80211_dump_survey
,
9572 .cmd
= NL80211_CMD_SET_PMKSA
,
9573 .doit
= nl80211_setdel_pmksa
,
9574 .policy
= nl80211_policy
,
9575 .flags
= GENL_ADMIN_PERM
,
9576 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9577 NL80211_FLAG_NEED_RTNL
,
9580 .cmd
= NL80211_CMD_DEL_PMKSA
,
9581 .doit
= nl80211_setdel_pmksa
,
9582 .policy
= nl80211_policy
,
9583 .flags
= GENL_ADMIN_PERM
,
9584 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9585 NL80211_FLAG_NEED_RTNL
,
9588 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9589 .doit
= nl80211_flush_pmksa
,
9590 .policy
= nl80211_policy
,
9591 .flags
= GENL_ADMIN_PERM
,
9592 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9593 NL80211_FLAG_NEED_RTNL
,
9596 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9597 .doit
= nl80211_remain_on_channel
,
9598 .policy
= nl80211_policy
,
9599 .flags
= GENL_ADMIN_PERM
,
9600 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9601 NL80211_FLAG_NEED_RTNL
,
9604 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9605 .doit
= nl80211_cancel_remain_on_channel
,
9606 .policy
= nl80211_policy
,
9607 .flags
= GENL_ADMIN_PERM
,
9608 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9609 NL80211_FLAG_NEED_RTNL
,
9612 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9613 .doit
= nl80211_set_tx_bitrate_mask
,
9614 .policy
= nl80211_policy
,
9615 .flags
= GENL_ADMIN_PERM
,
9616 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9617 NL80211_FLAG_NEED_RTNL
,
9620 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9621 .doit
= nl80211_register_mgmt
,
9622 .policy
= nl80211_policy
,
9623 .flags
= GENL_ADMIN_PERM
,
9624 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9625 NL80211_FLAG_NEED_RTNL
,
9628 .cmd
= NL80211_CMD_FRAME
,
9629 .doit
= nl80211_tx_mgmt
,
9630 .policy
= nl80211_policy
,
9631 .flags
= GENL_ADMIN_PERM
,
9632 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9633 NL80211_FLAG_NEED_RTNL
,
9636 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9637 .doit
= nl80211_tx_mgmt_cancel_wait
,
9638 .policy
= nl80211_policy
,
9639 .flags
= GENL_ADMIN_PERM
,
9640 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9641 NL80211_FLAG_NEED_RTNL
,
9644 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9645 .doit
= nl80211_set_power_save
,
9646 .policy
= nl80211_policy
,
9647 .flags
= GENL_ADMIN_PERM
,
9648 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9649 NL80211_FLAG_NEED_RTNL
,
9652 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9653 .doit
= nl80211_get_power_save
,
9654 .policy
= nl80211_policy
,
9655 /* can be retrieved by unprivileged users */
9656 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9657 NL80211_FLAG_NEED_RTNL
,
9660 .cmd
= NL80211_CMD_SET_CQM
,
9661 .doit
= nl80211_set_cqm
,
9662 .policy
= nl80211_policy
,
9663 .flags
= GENL_ADMIN_PERM
,
9664 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9665 NL80211_FLAG_NEED_RTNL
,
9668 .cmd
= NL80211_CMD_SET_CHANNEL
,
9669 .doit
= nl80211_set_channel
,
9670 .policy
= nl80211_policy
,
9671 .flags
= GENL_ADMIN_PERM
,
9672 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9673 NL80211_FLAG_NEED_RTNL
,
9676 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9677 .doit
= nl80211_set_wds_peer
,
9678 .policy
= nl80211_policy
,
9679 .flags
= GENL_ADMIN_PERM
,
9680 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9681 NL80211_FLAG_NEED_RTNL
,
9684 .cmd
= NL80211_CMD_JOIN_MESH
,
9685 .doit
= nl80211_join_mesh
,
9686 .policy
= nl80211_policy
,
9687 .flags
= GENL_ADMIN_PERM
,
9688 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9689 NL80211_FLAG_NEED_RTNL
,
9692 .cmd
= NL80211_CMD_LEAVE_MESH
,
9693 .doit
= nl80211_leave_mesh
,
9694 .policy
= nl80211_policy
,
9695 .flags
= GENL_ADMIN_PERM
,
9696 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9697 NL80211_FLAG_NEED_RTNL
,
9701 .cmd
= NL80211_CMD_GET_WOWLAN
,
9702 .doit
= nl80211_get_wowlan
,
9703 .policy
= nl80211_policy
,
9704 /* can be retrieved by unprivileged users */
9705 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9706 NL80211_FLAG_NEED_RTNL
,
9709 .cmd
= NL80211_CMD_SET_WOWLAN
,
9710 .doit
= nl80211_set_wowlan
,
9711 .policy
= nl80211_policy
,
9712 .flags
= GENL_ADMIN_PERM
,
9713 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9714 NL80211_FLAG_NEED_RTNL
,
9718 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9719 .doit
= nl80211_set_rekey_data
,
9720 .policy
= nl80211_policy
,
9721 .flags
= GENL_ADMIN_PERM
,
9722 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9723 NL80211_FLAG_NEED_RTNL
,
9726 .cmd
= NL80211_CMD_TDLS_MGMT
,
9727 .doit
= nl80211_tdls_mgmt
,
9728 .policy
= nl80211_policy
,
9729 .flags
= GENL_ADMIN_PERM
,
9730 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9731 NL80211_FLAG_NEED_RTNL
,
9734 .cmd
= NL80211_CMD_TDLS_OPER
,
9735 .doit
= nl80211_tdls_oper
,
9736 .policy
= nl80211_policy
,
9737 .flags
= GENL_ADMIN_PERM
,
9738 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9739 NL80211_FLAG_NEED_RTNL
,
9742 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9743 .doit
= nl80211_register_unexpected_frame
,
9744 .policy
= nl80211_policy
,
9745 .flags
= GENL_ADMIN_PERM
,
9746 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9747 NL80211_FLAG_NEED_RTNL
,
9750 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9751 .doit
= nl80211_probe_client
,
9752 .policy
= nl80211_policy
,
9753 .flags
= GENL_ADMIN_PERM
,
9754 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9755 NL80211_FLAG_NEED_RTNL
,
9758 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9759 .doit
= nl80211_register_beacons
,
9760 .policy
= nl80211_policy
,
9761 .flags
= GENL_ADMIN_PERM
,
9762 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9763 NL80211_FLAG_NEED_RTNL
,
9766 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9767 .doit
= nl80211_set_noack_map
,
9768 .policy
= nl80211_policy
,
9769 .flags
= GENL_ADMIN_PERM
,
9770 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9771 NL80211_FLAG_NEED_RTNL
,
9774 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
9775 .doit
= nl80211_start_p2p_device
,
9776 .policy
= nl80211_policy
,
9777 .flags
= GENL_ADMIN_PERM
,
9778 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9779 NL80211_FLAG_NEED_RTNL
,
9782 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
9783 .doit
= nl80211_stop_p2p_device
,
9784 .policy
= nl80211_policy
,
9785 .flags
= GENL_ADMIN_PERM
,
9786 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9787 NL80211_FLAG_NEED_RTNL
,
9790 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
9791 .doit
= nl80211_set_mcast_rate
,
9792 .policy
= nl80211_policy
,
9793 .flags
= GENL_ADMIN_PERM
,
9794 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9795 NL80211_FLAG_NEED_RTNL
,
9798 .cmd
= NL80211_CMD_SET_MAC_ACL
,
9799 .doit
= nl80211_set_mac_acl
,
9800 .policy
= nl80211_policy
,
9801 .flags
= GENL_ADMIN_PERM
,
9802 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9803 NL80211_FLAG_NEED_RTNL
,
9806 .cmd
= NL80211_CMD_RADAR_DETECT
,
9807 .doit
= nl80211_start_radar_detection
,
9808 .policy
= nl80211_policy
,
9809 .flags
= GENL_ADMIN_PERM
,
9810 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9811 NL80211_FLAG_NEED_RTNL
,
9814 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
9815 .doit
= nl80211_get_protocol_features
,
9816 .policy
= nl80211_policy
,
9819 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
9820 .doit
= nl80211_update_ft_ies
,
9821 .policy
= nl80211_policy
,
9822 .flags
= GENL_ADMIN_PERM
,
9823 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9824 NL80211_FLAG_NEED_RTNL
,
9827 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
9828 .doit
= nl80211_crit_protocol_start
,
9829 .policy
= nl80211_policy
,
9830 .flags
= GENL_ADMIN_PERM
,
9831 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9832 NL80211_FLAG_NEED_RTNL
,
9835 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
9836 .doit
= nl80211_crit_protocol_stop
,
9837 .policy
= nl80211_policy
,
9838 .flags
= GENL_ADMIN_PERM
,
9839 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9840 NL80211_FLAG_NEED_RTNL
,
9843 .cmd
= NL80211_CMD_GET_COALESCE
,
9844 .doit
= nl80211_get_coalesce
,
9845 .policy
= nl80211_policy
,
9846 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9847 NL80211_FLAG_NEED_RTNL
,
9850 .cmd
= NL80211_CMD_SET_COALESCE
,
9851 .doit
= nl80211_set_coalesce
,
9852 .policy
= nl80211_policy
,
9853 .flags
= GENL_ADMIN_PERM
,
9854 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9855 NL80211_FLAG_NEED_RTNL
,
9858 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
9859 .doit
= nl80211_channel_switch
,
9860 .policy
= nl80211_policy
,
9861 .flags
= GENL_ADMIN_PERM
,
9862 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9863 NL80211_FLAG_NEED_RTNL
,
9866 .cmd
= NL80211_CMD_VENDOR
,
9867 .doit
= nl80211_vendor_cmd
,
9868 .policy
= nl80211_policy
,
9869 .flags
= GENL_ADMIN_PERM
,
9870 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9871 NL80211_FLAG_NEED_RTNL
,
9874 .cmd
= NL80211_CMD_SET_QOS_MAP
,
9875 .doit
= nl80211_set_qos_map
,
9876 .policy
= nl80211_policy
,
9877 .flags
= GENL_ADMIN_PERM
,
9878 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9879 NL80211_FLAG_NEED_RTNL
,
9883 /* notification functions */
9885 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
9887 struct sk_buff
*msg
;
9888 struct nl80211_dump_wiphy_state state
= {};
9890 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9894 if (nl80211_send_wiphy(rdev
, msg
, 0, 0, 0, &state
) < 0) {
9899 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9900 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
9903 static int nl80211_add_scan_req(struct sk_buff
*msg
,
9904 struct cfg80211_registered_device
*rdev
)
9906 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
9907 struct nlattr
*nest
;
9913 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
9915 goto nla_put_failure
;
9916 for (i
= 0; i
< req
->n_ssids
; i
++) {
9917 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
9918 goto nla_put_failure
;
9920 nla_nest_end(msg
, nest
);
9922 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9924 goto nla_put_failure
;
9925 for (i
= 0; i
< req
->n_channels
; i
++) {
9926 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
9927 goto nla_put_failure
;
9929 nla_nest_end(msg
, nest
);
9932 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
9933 goto nla_put_failure
;
9936 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
9937 goto nla_put_failure
;
9944 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
9945 struct cfg80211_registered_device
*rdev
,
9946 struct wireless_dev
*wdev
,
9947 u32 portid
, u32 seq
, int flags
,
9952 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9956 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9957 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9958 wdev
->netdev
->ifindex
)) ||
9959 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
9960 goto nla_put_failure
;
9962 /* ignore errors and send incomplete event anyway */
9963 nl80211_add_scan_req(msg
, rdev
);
9965 return genlmsg_end(msg
, hdr
);
9968 genlmsg_cancel(msg
, hdr
);
9973 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
9974 struct cfg80211_registered_device
*rdev
,
9975 struct net_device
*netdev
,
9976 u32 portid
, u32 seq
, int flags
, u32 cmd
)
9980 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9984 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9985 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9986 goto nla_put_failure
;
9988 return genlmsg_end(msg
, hdr
);
9991 genlmsg_cancel(msg
, hdr
);
9995 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
9996 struct wireless_dev
*wdev
)
9998 struct sk_buff
*msg
;
10000 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10004 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10005 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10010 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10011 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10014 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
10015 struct wireless_dev
*wdev
)
10017 struct sk_buff
*msg
;
10019 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10023 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10024 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10029 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10030 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10033 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
10034 struct wireless_dev
*wdev
)
10036 struct sk_buff
*msg
;
10038 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10042 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10043 NL80211_CMD_SCAN_ABORTED
) < 0) {
10048 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10049 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10052 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10053 struct net_device
*netdev
)
10055 struct sk_buff
*msg
;
10057 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10061 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10062 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10067 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10068 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10071 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10072 struct net_device
*netdev
, u32 cmd
)
10074 struct sk_buff
*msg
;
10076 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10080 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10085 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10086 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10090 * This can happen on global regulatory changes or device specific settings
10091 * based on custom world regulatory domains.
10093 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10095 struct sk_buff
*msg
;
10098 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10102 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10108 /* Userspace can always count this one always being set */
10109 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10110 goto nla_put_failure
;
10112 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10113 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10114 NL80211_REGDOM_TYPE_WORLD
))
10115 goto nla_put_failure
;
10116 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10117 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10118 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10119 goto nla_put_failure
;
10120 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10121 request
->intersect
) {
10122 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10123 NL80211_REGDOM_TYPE_INTERSECTION
))
10124 goto nla_put_failure
;
10126 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10127 NL80211_REGDOM_TYPE_COUNTRY
) ||
10128 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10130 goto nla_put_failure
;
10133 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10134 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10135 goto nla_put_failure
;
10137 genlmsg_end(msg
, hdr
);
10140 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10141 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10147 genlmsg_cancel(msg
, hdr
);
10151 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
10152 struct net_device
*netdev
,
10153 const u8
*buf
, size_t len
,
10154 enum nl80211_commands cmd
, gfp_t gfp
)
10156 struct sk_buff
*msg
;
10159 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10163 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10169 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10170 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10171 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10172 goto nla_put_failure
;
10174 genlmsg_end(msg
, hdr
);
10176 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10177 NL80211_MCGRP_MLME
, gfp
);
10181 genlmsg_cancel(msg
, hdr
);
10185 void nl80211_send_rx_auth(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_AUTHENTICATE
, gfp
);
10193 void nl80211_send_rx_assoc(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_ASSOCIATE
, gfp
);
10201 void nl80211_send_deauth(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_DEAUTHENTICATE
, gfp
);
10209 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
10210 struct net_device
*netdev
, const u8
*buf
,
10211 size_t len
, gfp_t gfp
)
10213 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10214 NL80211_CMD_DISASSOCIATE
, gfp
);
10217 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
10220 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10221 struct wiphy
*wiphy
= wdev
->wiphy
;
10222 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10223 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
10226 if (WARN_ON(len
< 2))
10229 if (ieee80211_is_deauth(mgmt
->frame_control
))
10230 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
10232 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
10234 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
10235 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
10237 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
10239 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
10240 struct net_device
*netdev
, int cmd
,
10241 const u8
*addr
, gfp_t gfp
)
10243 struct sk_buff
*msg
;
10246 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10250 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10256 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10257 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10258 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
10259 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10260 goto nla_put_failure
;
10262 genlmsg_end(msg
, hdr
);
10264 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10265 NL80211_MCGRP_MLME
, gfp
);
10269 genlmsg_cancel(msg
, hdr
);
10273 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10274 struct net_device
*netdev
, const u8
*addr
,
10277 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10281 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10282 struct net_device
*netdev
, const u8
*addr
,
10285 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10289 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10290 struct net_device
*netdev
, const u8
*bssid
,
10291 const u8
*req_ie
, size_t req_ie_len
,
10292 const u8
*resp_ie
, size_t resp_ie_len
,
10293 u16 status
, gfp_t gfp
)
10295 struct sk_buff
*msg
;
10298 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10302 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10308 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10309 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10310 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10311 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10313 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10315 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10316 goto nla_put_failure
;
10318 genlmsg_end(msg
, hdr
);
10320 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10321 NL80211_MCGRP_MLME
, gfp
);
10325 genlmsg_cancel(msg
, hdr
);
10330 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10331 struct net_device
*netdev
, const u8
*bssid
,
10332 const u8
*req_ie
, size_t req_ie_len
,
10333 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10335 struct sk_buff
*msg
;
10338 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10342 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10348 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10349 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10350 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10352 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10354 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10355 goto nla_put_failure
;
10357 genlmsg_end(msg
, hdr
);
10359 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10360 NL80211_MCGRP_MLME
, gfp
);
10364 genlmsg_cancel(msg
, hdr
);
10369 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10370 struct net_device
*netdev
, u16 reason
,
10371 const u8
*ie
, size_t ie_len
, bool from_ap
)
10373 struct sk_buff
*msg
;
10376 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10380 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10386 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10387 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10388 (from_ap
&& reason
&&
10389 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10391 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10392 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10393 goto nla_put_failure
;
10395 genlmsg_end(msg
, hdr
);
10397 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10398 NL80211_MCGRP_MLME
, GFP_KERNEL
);
10402 genlmsg_cancel(msg
, hdr
);
10407 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10408 struct net_device
*netdev
, const u8
*bssid
,
10411 struct sk_buff
*msg
;
10414 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10418 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10424 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10425 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10426 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10427 goto nla_put_failure
;
10429 genlmsg_end(msg
, hdr
);
10431 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10432 NL80211_MCGRP_MLME
, gfp
);
10436 genlmsg_cancel(msg
, hdr
);
10440 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10441 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10443 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10444 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10445 struct sk_buff
*msg
;
10448 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10451 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10453 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10457 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10463 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10464 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10465 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10467 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10468 goto nla_put_failure
;
10470 genlmsg_end(msg
, hdr
);
10472 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10473 NL80211_MCGRP_MLME
, gfp
);
10477 genlmsg_cancel(msg
, hdr
);
10480 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10482 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10483 struct net_device
*netdev
, const u8
*addr
,
10484 enum nl80211_key_type key_type
, int key_id
,
10485 const u8
*tsc
, gfp_t gfp
)
10487 struct sk_buff
*msg
;
10490 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10494 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10500 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10501 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10502 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10503 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10505 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10506 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10507 goto nla_put_failure
;
10509 genlmsg_end(msg
, hdr
);
10511 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10512 NL80211_MCGRP_MLME
, gfp
);
10516 genlmsg_cancel(msg
, hdr
);
10520 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10521 struct ieee80211_channel
*channel_before
,
10522 struct ieee80211_channel
*channel_after
)
10524 struct sk_buff
*msg
;
10526 struct nlattr
*nl_freq
;
10528 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10532 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10539 * Since we are applying the beacon hint to a wiphy we know its
10540 * wiphy_idx is valid
10542 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10543 goto nla_put_failure
;
10546 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10548 goto nla_put_failure
;
10549 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10550 goto nla_put_failure
;
10551 nla_nest_end(msg
, nl_freq
);
10554 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10556 goto nla_put_failure
;
10557 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10558 goto nla_put_failure
;
10559 nla_nest_end(msg
, nl_freq
);
10561 genlmsg_end(msg
, hdr
);
10564 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10565 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10571 genlmsg_cancel(msg
, hdr
);
10575 static void nl80211_send_remain_on_chan_event(
10576 int cmd
, struct cfg80211_registered_device
*rdev
,
10577 struct wireless_dev
*wdev
, u64 cookie
,
10578 struct ieee80211_channel
*chan
,
10579 unsigned int duration
, gfp_t gfp
)
10581 struct sk_buff
*msg
;
10584 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10588 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10594 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10595 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10596 wdev
->netdev
->ifindex
)) ||
10597 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10598 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10599 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10600 NL80211_CHAN_NO_HT
) ||
10601 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10602 goto nla_put_failure
;
10604 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10605 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10606 goto nla_put_failure
;
10608 genlmsg_end(msg
, hdr
);
10610 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10611 NL80211_MCGRP_MLME
, gfp
);
10615 genlmsg_cancel(msg
, hdr
);
10619 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10620 struct ieee80211_channel
*chan
,
10621 unsigned int duration
, gfp_t gfp
)
10623 struct wiphy
*wiphy
= wdev
->wiphy
;
10624 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10626 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10627 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10628 rdev
, wdev
, cookie
, chan
,
10631 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10633 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10634 struct ieee80211_channel
*chan
,
10637 struct wiphy
*wiphy
= wdev
->wiphy
;
10638 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10640 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10641 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10642 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10644 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10646 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10647 struct station_info
*sinfo
, gfp_t gfp
)
10649 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10650 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10651 struct sk_buff
*msg
;
10653 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10655 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10659 if (nl80211_send_station(msg
, 0, 0, 0,
10660 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10665 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10666 NL80211_MCGRP_MLME
, gfp
);
10668 EXPORT_SYMBOL(cfg80211_new_sta
);
10670 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10672 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10673 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10674 struct sk_buff
*msg
;
10677 trace_cfg80211_del_sta(dev
, mac_addr
);
10679 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10683 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10689 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10690 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10691 goto nla_put_failure
;
10693 genlmsg_end(msg
, hdr
);
10695 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10696 NL80211_MCGRP_MLME
, gfp
);
10700 genlmsg_cancel(msg
, hdr
);
10703 EXPORT_SYMBOL(cfg80211_del_sta
);
10705 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10706 enum nl80211_connect_failed_reason reason
,
10709 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10710 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10711 struct sk_buff
*msg
;
10714 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10718 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10724 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10725 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10726 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10727 goto nla_put_failure
;
10729 genlmsg_end(msg
, hdr
);
10731 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10732 NL80211_MCGRP_MLME
, gfp
);
10736 genlmsg_cancel(msg
, hdr
);
10739 EXPORT_SYMBOL(cfg80211_conn_failed
);
10741 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10742 const u8
*addr
, gfp_t gfp
)
10744 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10745 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10746 struct sk_buff
*msg
;
10748 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10753 msg
= nlmsg_new(100, gfp
);
10757 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10763 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10764 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10765 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10766 goto nla_put_failure
;
10768 genlmsg_end(msg
, hdr
);
10769 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10773 genlmsg_cancel(msg
, hdr
);
10778 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
10779 const u8
*addr
, gfp_t gfp
)
10781 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10784 trace_cfg80211_rx_spurious_frame(dev
, addr
);
10786 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10787 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
10788 trace_cfg80211_return_bool(false);
10791 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
10793 trace_cfg80211_return_bool(ret
);
10796 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
10798 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
10799 const u8
*addr
, gfp_t gfp
)
10801 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10804 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
10806 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10807 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10808 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
10809 trace_cfg80211_return_bool(false);
10812 ret
= __nl80211_unexpected_frame(dev
,
10813 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
10815 trace_cfg80211_return_bool(ret
);
10818 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
10820 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
10821 struct wireless_dev
*wdev
, u32 nlportid
,
10822 int freq
, int sig_dbm
,
10823 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
10825 struct net_device
*netdev
= wdev
->netdev
;
10826 struct sk_buff
*msg
;
10829 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10833 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
10839 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10840 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10841 netdev
->ifindex
)) ||
10842 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10843 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
10845 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
10846 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10848 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
10849 goto nla_put_failure
;
10851 genlmsg_end(msg
, hdr
);
10853 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10856 genlmsg_cancel(msg
, hdr
);
10861 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
10862 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
10864 struct wiphy
*wiphy
= wdev
->wiphy
;
10865 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10866 struct net_device
*netdev
= wdev
->netdev
;
10867 struct sk_buff
*msg
;
10870 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
10872 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10876 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
10882 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10883 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10884 netdev
->ifindex
)) ||
10885 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10886 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10887 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
10888 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
10889 goto nla_put_failure
;
10891 genlmsg_end(msg
, hdr
);
10893 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10894 NL80211_MCGRP_MLME
, gfp
);
10898 genlmsg_cancel(msg
, hdr
);
10901 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
10903 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
10904 enum nl80211_cqm_rssi_threshold_event rssi_event
,
10907 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10908 struct wiphy
*wiphy
= wdev
->wiphy
;
10909 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10910 struct sk_buff
*msg
;
10911 struct nlattr
*pinfoattr
;
10914 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
10916 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10920 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10926 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10927 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
10928 goto nla_put_failure
;
10930 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10932 goto nla_put_failure
;
10934 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
10936 goto nla_put_failure
;
10938 nla_nest_end(msg
, pinfoattr
);
10940 genlmsg_end(msg
, hdr
);
10942 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10943 NL80211_MCGRP_MLME
, gfp
);
10947 genlmsg_cancel(msg
, hdr
);
10950 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
10952 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
10953 struct net_device
*netdev
, const u8
*bssid
,
10954 const u8
*replay_ctr
, gfp_t gfp
)
10956 struct sk_buff
*msg
;
10957 struct nlattr
*rekey_attr
;
10960 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10964 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
10970 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10971 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10972 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10973 goto nla_put_failure
;
10975 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
10977 goto nla_put_failure
;
10979 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
10980 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
10981 goto nla_put_failure
;
10983 nla_nest_end(msg
, rekey_attr
);
10985 genlmsg_end(msg
, hdr
);
10987 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10988 NL80211_MCGRP_MLME
, gfp
);
10992 genlmsg_cancel(msg
, hdr
);
10996 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
10997 const u8
*replay_ctr
, gfp_t gfp
)
10999 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11000 struct wiphy
*wiphy
= wdev
->wiphy
;
11001 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11003 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11004 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11006 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11009 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11010 struct net_device
*netdev
, int index
,
11011 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11013 struct sk_buff
*msg
;
11014 struct nlattr
*attr
;
11017 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11021 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11027 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11028 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11029 goto nla_put_failure
;
11031 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11033 goto nla_put_failure
;
11035 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
11036 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
11038 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
11039 goto nla_put_failure
;
11041 nla_nest_end(msg
, attr
);
11043 genlmsg_end(msg
, hdr
);
11045 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11046 NL80211_MCGRP_MLME
, gfp
);
11050 genlmsg_cancel(msg
, hdr
);
11054 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
11055 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11057 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11058 struct wiphy
*wiphy
= wdev
->wiphy
;
11059 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11061 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
11062 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
11064 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
11066 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
11067 struct net_device
*netdev
,
11068 struct cfg80211_chan_def
*chandef
,
11071 struct sk_buff
*msg
;
11074 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11078 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
11084 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11085 goto nla_put_failure
;
11087 if (nl80211_send_chandef(msg
, chandef
))
11088 goto nla_put_failure
;
11090 genlmsg_end(msg
, hdr
);
11092 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11093 NL80211_MCGRP_MLME
, gfp
);
11097 genlmsg_cancel(msg
, hdr
);
11101 void cfg80211_ch_switch_notify(struct net_device
*dev
,
11102 struct cfg80211_chan_def
*chandef
)
11104 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11105 struct wiphy
*wiphy
= wdev
->wiphy
;
11106 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11108 ASSERT_WDEV_LOCK(wdev
);
11110 trace_cfg80211_ch_switch_notify(dev
, chandef
);
11112 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11113 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11114 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
11115 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11118 wdev
->channel
= chandef
->chan
;
11119 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
11121 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
11123 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11124 const u8
*peer
, u32 num_packets
,
11125 u32 rate
, u32 intvl
, gfp_t gfp
)
11127 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11128 struct wiphy
*wiphy
= wdev
->wiphy
;
11129 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11130 struct sk_buff
*msg
;
11131 struct nlattr
*pinfoattr
;
11134 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11138 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11144 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11145 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11146 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11147 goto nla_put_failure
;
11149 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11151 goto nla_put_failure
;
11153 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11154 goto nla_put_failure
;
11156 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11157 goto nla_put_failure
;
11159 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11160 goto nla_put_failure
;
11162 nla_nest_end(msg
, pinfoattr
);
11164 genlmsg_end(msg
, hdr
);
11166 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11167 NL80211_MCGRP_MLME
, gfp
);
11171 genlmsg_cancel(msg
, hdr
);
11174 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11177 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
11178 const struct cfg80211_chan_def
*chandef
,
11179 enum nl80211_radar_event event
,
11180 struct net_device
*netdev
, gfp_t gfp
)
11182 struct sk_buff
*msg
;
11185 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11189 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
11195 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
11196 goto nla_put_failure
;
11198 /* NOP and radar events don't need a netdev parameter */
11200 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
11202 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11203 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11204 goto nla_put_failure
;
11207 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
11208 goto nla_put_failure
;
11210 if (nl80211_send_chandef(msg
, chandef
))
11211 goto nla_put_failure
;
11213 genlmsg_end(msg
, hdr
);
11215 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11216 NL80211_MCGRP_MLME
, gfp
);
11220 genlmsg_cancel(msg
, hdr
);
11224 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11225 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11227 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11228 struct wiphy
*wiphy
= wdev
->wiphy
;
11229 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11230 struct sk_buff
*msg
;
11231 struct nlattr
*pinfoattr
;
11234 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11236 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11240 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11246 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11247 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11248 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11249 goto nla_put_failure
;
11251 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11253 goto nla_put_failure
;
11255 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11256 goto nla_put_failure
;
11258 nla_nest_end(msg
, pinfoattr
);
11260 genlmsg_end(msg
, hdr
);
11262 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11263 NL80211_MCGRP_MLME
, gfp
);
11267 genlmsg_cancel(msg
, hdr
);
11270 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11272 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11273 u64 cookie
, bool acked
, gfp_t gfp
)
11275 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11276 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11277 struct sk_buff
*msg
;
11280 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11282 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11287 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11293 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11294 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11295 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11296 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11297 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11298 goto nla_put_failure
;
11300 genlmsg_end(msg
, hdr
);
11302 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11303 NL80211_MCGRP_MLME
, gfp
);
11307 genlmsg_cancel(msg
, hdr
);
11310 EXPORT_SYMBOL(cfg80211_probe_status
);
11312 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11313 const u8
*frame
, size_t len
,
11314 int freq
, int sig_dbm
)
11316 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11317 struct sk_buff
*msg
;
11319 struct cfg80211_beacon_registration
*reg
;
11321 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11323 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11324 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11325 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11327 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11331 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11333 goto nla_put_failure
;
11335 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11337 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11339 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11340 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11341 goto nla_put_failure
;
11343 genlmsg_end(msg
, hdr
);
11345 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11347 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11351 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11353 genlmsg_cancel(msg
, hdr
);
11356 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11359 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11360 struct cfg80211_wowlan_wakeup
*wakeup
,
11363 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11364 struct sk_buff
*msg
;
11368 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11371 size
+= wakeup
->packet_present_len
;
11373 msg
= nlmsg_new(size
, gfp
);
11377 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11381 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11382 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11385 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11386 wdev
->netdev
->ifindex
))
11390 struct nlattr
*reasons
;
11392 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11396 if (wakeup
->disconnect
&&
11397 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11399 if (wakeup
->magic_pkt
&&
11400 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11402 if (wakeup
->gtk_rekey_failure
&&
11403 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11405 if (wakeup
->eap_identity_req
&&
11406 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11408 if (wakeup
->four_way_handshake
&&
11409 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11411 if (wakeup
->rfkill_release
&&
11412 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11415 if (wakeup
->pattern_idx
>= 0 &&
11416 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11417 wakeup
->pattern_idx
))
11420 if (wakeup
->tcp_match
&&
11421 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
11424 if (wakeup
->tcp_connlost
&&
11425 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
11428 if (wakeup
->tcp_nomoretokens
&&
11430 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
11433 if (wakeup
->packet
) {
11434 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11435 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11437 if (!wakeup
->packet_80211
) {
11439 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11441 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11444 if (wakeup
->packet_len
&&
11445 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11448 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11453 nla_nest_end(msg
, reasons
);
11456 genlmsg_end(msg
, hdr
);
11458 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11459 NL80211_MCGRP_MLME
, gfp
);
11465 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11468 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11469 enum nl80211_tdls_operation oper
,
11470 u16 reason_code
, gfp_t gfp
)
11472 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11473 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11474 struct sk_buff
*msg
;
11477 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11480 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11484 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11490 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11491 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11492 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11493 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11494 (reason_code
> 0 &&
11495 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11496 goto nla_put_failure
;
11498 genlmsg_end(msg
, hdr
);
11500 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11501 NL80211_MCGRP_MLME
, gfp
);
11505 genlmsg_cancel(msg
, hdr
);
11508 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11510 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11511 unsigned long state
,
11514 struct netlink_notify
*notify
= _notify
;
11515 struct cfg80211_registered_device
*rdev
;
11516 struct wireless_dev
*wdev
;
11517 struct cfg80211_beacon_registration
*reg
, *tmp
;
11519 if (state
!= NETLINK_URELEASE
)
11520 return NOTIFY_DONE
;
11524 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11525 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
11526 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11528 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11529 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11531 if (reg
->nlportid
== notify
->portid
) {
11532 list_del(®
->list
);
11537 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11542 return NOTIFY_DONE
;
11545 static struct notifier_block nl80211_netlink_notifier
= {
11546 .notifier_call
= nl80211_netlink_notify
,
11549 void cfg80211_ft_event(struct net_device
*netdev
,
11550 struct cfg80211_ft_event_params
*ft_event
)
11552 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11553 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11554 struct sk_buff
*msg
;
11557 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11559 if (!ft_event
->target_ap
)
11562 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11566 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11570 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11571 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11572 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
11575 if (ft_event
->ies
&&
11576 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
11578 if (ft_event
->ric_ies
&&
11579 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11580 ft_event
->ric_ies
))
11583 genlmsg_end(msg
, hdr
);
11585 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11586 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11591 EXPORT_SYMBOL(cfg80211_ft_event
);
11593 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11595 struct cfg80211_registered_device
*rdev
;
11596 struct sk_buff
*msg
;
11600 rdev
= wiphy_to_dev(wdev
->wiphy
);
11601 if (!rdev
->crit_proto_nlportid
)
11604 nlportid
= rdev
->crit_proto_nlportid
;
11605 rdev
->crit_proto_nlportid
= 0;
11607 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11611 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11613 goto nla_put_failure
;
11615 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11616 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11617 goto nla_put_failure
;
11619 genlmsg_end(msg
, hdr
);
11621 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11626 genlmsg_cancel(msg
, hdr
);
11630 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11632 /* initialisation/exit functions */
11634 int nl80211_init(void)
11638 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
11643 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11649 genl_unregister_family(&nl80211_fam
);
11653 void nl80211_exit(void)
11655 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11656 genl_unregister_family(&nl80211_fam
);