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
,
56 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
59 static const struct genl_multicast_group nl80211_mcgrps
[] = {
60 [NL80211_MCGRP_CONFIG
] = { .name
= "config", },
61 [NL80211_MCGRP_SCAN
] = { .name
= "scan", },
62 [NL80211_MCGRP_REGULATORY
] = { .name
= "regulatory", },
63 [NL80211_MCGRP_MLME
] = { .name
= "mlme", },
64 #ifdef CONFIG_NL80211_TESTMODE
65 [NL80211_MCGRP_TESTMODE
] = { .name
= "testmode", }
69 /* returns ERR_PTR values */
70 static struct wireless_dev
*
71 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
73 struct cfg80211_registered_device
*rdev
;
74 struct wireless_dev
*result
= NULL
;
75 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
76 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
83 if (!have_ifidx
&& !have_wdev_id
)
84 return ERR_PTR(-EINVAL
);
87 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
89 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
90 wiphy_idx
= wdev_id
>> 32;
93 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
94 struct wireless_dev
*wdev
;
96 if (wiphy_net(&rdev
->wiphy
) != netns
)
99 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
102 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
103 if (have_ifidx
&& wdev
->netdev
&&
104 wdev
->netdev
->ifindex
== ifidx
) {
108 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
120 return ERR_PTR(-ENODEV
);
123 static struct cfg80211_registered_device
*
124 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
126 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
127 struct net_device
*netdev
;
131 if (!attrs
[NL80211_ATTR_WIPHY
] &&
132 !attrs
[NL80211_ATTR_IFINDEX
] &&
133 !attrs
[NL80211_ATTR_WDEV
])
134 return ERR_PTR(-EINVAL
);
136 if (attrs
[NL80211_ATTR_WIPHY
])
137 rdev
= cfg80211_rdev_by_wiphy_idx(
138 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
140 if (attrs
[NL80211_ATTR_WDEV
]) {
141 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
142 struct wireless_dev
*wdev
;
145 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
147 /* make sure wdev exists */
148 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
149 if (wdev
->identifier
!= (u32
)wdev_id
)
158 if (rdev
&& tmp
!= rdev
)
159 return ERR_PTR(-EINVAL
);
164 if (attrs
[NL80211_ATTR_IFINDEX
]) {
165 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
166 netdev
= dev_get_by_index(netns
, ifindex
);
168 if (netdev
->ieee80211_ptr
)
170 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
},
381 /* policy for the key attributes */
382 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
383 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
384 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
385 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
386 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
387 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
388 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
389 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
390 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
393 /* policy for the key default flags */
394 static const struct nla_policy
395 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
396 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
397 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
400 /* policy for WoWLAN attributes */
401 static const struct nla_policy
402 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
403 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
404 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
405 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
406 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
407 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
408 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
409 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
410 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
411 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
414 static const struct nla_policy
415 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
416 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
417 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
418 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
419 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
420 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
421 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
422 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
423 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
425 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
426 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
428 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
429 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
430 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
433 /* policy for coalesce rule attributes */
434 static const struct nla_policy
435 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
436 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
437 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
438 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
441 /* policy for GTK rekey offload attributes */
442 static const struct nla_policy
443 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
444 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
445 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
446 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
449 static const struct nla_policy
450 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
451 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
452 .len
= IEEE80211_MAX_SSID_LEN
},
453 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
456 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
457 struct netlink_callback
*cb
,
458 struct cfg80211_registered_device
**rdev
,
459 struct wireless_dev
**wdev
)
466 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
467 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
472 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
473 nl80211_fam
.attrbuf
);
475 err
= PTR_ERR(*wdev
);
478 *rdev
= wiphy_to_dev((*wdev
)->wiphy
);
479 /* 0 is the first index - add 1 to parse only once */
480 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
481 cb
->args
[1] = (*wdev
)->identifier
;
483 /* subtract the 1 again here */
484 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
485 struct wireless_dev
*tmp
;
491 *rdev
= wiphy_to_dev(wiphy
);
494 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
495 if (tmp
->identifier
== cb
->args
[1]) {
513 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
519 static bool is_valid_ie_attr(const struct nlattr
*attr
)
527 pos
= nla_data(attr
);
548 /* message building helper */
549 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
552 /* since there is no private header just add the generic one */
553 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
556 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
557 struct ieee80211_channel
*chan
,
560 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
562 goto nla_put_failure
;
564 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
565 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
566 goto nla_put_failure
;
567 if ((chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
) &&
568 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
))
569 goto nla_put_failure
;
570 if ((chan
->flags
& IEEE80211_CHAN_NO_IBSS
) &&
571 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
))
572 goto nla_put_failure
;
573 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
574 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
575 goto nla_put_failure
;
579 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
581 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
583 goto nla_put_failure
;
584 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
586 goto nla_put_failure
;
591 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
592 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
593 goto nla_put_failure
;
594 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
595 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
596 goto nla_put_failure
;
597 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
598 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
599 goto nla_put_failure
;
600 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
601 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
602 goto nla_put_failure
;
605 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
606 DBM_TO_MBM(chan
->max_power
)))
607 goto nla_put_failure
;
615 /* netlink command implementations */
622 bool def_uni
, def_multi
;
625 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
627 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
628 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
633 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
634 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
643 if (tb
[NL80211_KEY_IDX
])
644 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
646 if (tb
[NL80211_KEY_DATA
]) {
647 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
648 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
651 if (tb
[NL80211_KEY_SEQ
]) {
652 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
653 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
656 if (tb
[NL80211_KEY_CIPHER
])
657 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
659 if (tb
[NL80211_KEY_TYPE
]) {
660 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
661 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
665 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
666 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
667 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
668 tb
[NL80211_KEY_DEFAULT_TYPES
],
669 nl80211_key_default_policy
);
673 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
674 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
680 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
682 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
683 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
684 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
687 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
688 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
689 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
692 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
693 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
695 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
696 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
698 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
699 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
708 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
709 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
710 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
714 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
715 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
716 int err
= nla_parse_nested(
717 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
718 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
719 nl80211_key_default_policy
);
723 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
724 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
730 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
734 memset(k
, 0, sizeof(*k
));
738 if (info
->attrs
[NL80211_ATTR_KEY
])
739 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
741 err
= nl80211_parse_key_old(info
, k
);
746 if (k
->def
&& k
->defmgmt
)
750 if (k
->def_uni
|| !k
->def_multi
)
756 if (k
->idx
< 4 || k
->idx
> 5)
759 if (k
->idx
< 0 || k
->idx
> 3)
762 if (k
->idx
< 0 || k
->idx
> 5)
770 static struct cfg80211_cached_keys
*
771 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
772 struct nlattr
*keys
, bool *no_ht
)
774 struct key_parse parse
;
776 struct cfg80211_cached_keys
*result
;
777 int rem
, err
, def
= 0;
779 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
781 return ERR_PTR(-ENOMEM
);
784 result
->defmgmt
= -1;
786 nla_for_each_nested(key
, keys
, rem
) {
787 memset(&parse
, 0, sizeof(parse
));
790 err
= nl80211_parse_key_new(key
, &parse
);
796 if (parse
.idx
< 0 || parse
.idx
> 4)
802 result
->def
= parse
.idx
;
803 if (!parse
.def_uni
|| !parse
.def_multi
)
805 } else if (parse
.defmgmt
)
807 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
808 parse
.idx
, false, NULL
);
811 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
812 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
813 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
814 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
816 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
817 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
829 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
831 ASSERT_WDEV_LOCK(wdev
);
833 switch (wdev
->iftype
) {
834 case NL80211_IFTYPE_AP
:
835 case NL80211_IFTYPE_AP_VLAN
:
836 case NL80211_IFTYPE_P2P_GO
:
837 case NL80211_IFTYPE_MESH_POINT
:
839 case NL80211_IFTYPE_ADHOC
:
840 case NL80211_IFTYPE_STATION
:
841 case NL80211_IFTYPE_P2P_CLIENT
:
842 if (!wdev
->current_bss
)
852 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
854 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
858 goto nla_put_failure
;
862 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
863 goto nla_put_failure
;
868 nla_nest_end(msg
, nl_modes
);
875 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
879 struct nlattr
*nl_combis
;
882 nl_combis
= nla_nest_start(msg
,
883 NL80211_ATTR_INTERFACE_COMBINATIONS
);
885 goto nla_put_failure
;
887 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
888 const struct ieee80211_iface_combination
*c
;
889 struct nlattr
*nl_combi
, *nl_limits
;
891 c
= &wiphy
->iface_combinations
[i
];
893 nl_combi
= nla_nest_start(msg
, i
+ 1);
895 goto nla_put_failure
;
897 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
899 goto nla_put_failure
;
901 for (j
= 0; j
< c
->n_limits
; j
++) {
902 struct nlattr
*nl_limit
;
904 nl_limit
= nla_nest_start(msg
, j
+ 1);
906 goto nla_put_failure
;
907 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
909 goto nla_put_failure
;
910 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
912 goto nla_put_failure
;
913 nla_nest_end(msg
, nl_limit
);
916 nla_nest_end(msg
, nl_limits
);
918 if (c
->beacon_int_infra_match
&&
919 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
920 goto nla_put_failure
;
921 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
922 c
->num_different_channels
) ||
923 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
925 goto nla_put_failure
;
927 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
928 c
->radar_detect_widths
))
929 goto nla_put_failure
;
931 nla_nest_end(msg
, nl_combi
);
934 nla_nest_end(msg
, nl_combis
);
942 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
945 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
946 struct nlattr
*nl_tcp
;
951 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
955 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
956 tcp
->data_payload_max
))
959 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
960 tcp
->data_payload_max
))
963 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
966 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
967 sizeof(*tcp
->tok
), tcp
->tok
))
970 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
971 tcp
->data_interval_max
))
974 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
975 tcp
->wake_payload_max
))
978 nla_nest_end(msg
, nl_tcp
);
982 static int nl80211_send_wowlan(struct sk_buff
*msg
,
983 struct cfg80211_registered_device
*dev
,
986 struct nlattr
*nl_wowlan
;
988 if (!dev
->wiphy
.wowlan
)
991 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
995 if (((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
996 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
997 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
998 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
999 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1000 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1001 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1002 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1003 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1004 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1005 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1006 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1007 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1008 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1009 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1010 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1013 if (dev
->wiphy
.wowlan
->n_patterns
) {
1014 struct nl80211_pattern_support pat
= {
1015 .max_patterns
= dev
->wiphy
.wowlan
->n_patterns
,
1016 .min_pattern_len
= dev
->wiphy
.wowlan
->pattern_min_len
,
1017 .max_pattern_len
= dev
->wiphy
.wowlan
->pattern_max_len
,
1018 .max_pkt_offset
= dev
->wiphy
.wowlan
->max_pkt_offset
,
1021 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1026 if (large
&& nl80211_send_wowlan_tcp_caps(dev
, msg
))
1029 nla_nest_end(msg
, nl_wowlan
);
1035 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1036 struct cfg80211_registered_device
*dev
)
1038 struct nl80211_coalesce_rule_support rule
;
1040 if (!dev
->wiphy
.coalesce
)
1043 rule
.max_rules
= dev
->wiphy
.coalesce
->n_rules
;
1044 rule
.max_delay
= dev
->wiphy
.coalesce
->max_delay
;
1045 rule
.pat
.max_patterns
= dev
->wiphy
.coalesce
->n_patterns
;
1046 rule
.pat
.min_pattern_len
= dev
->wiphy
.coalesce
->pattern_min_len
;
1047 rule
.pat
.max_pattern_len
= dev
->wiphy
.coalesce
->pattern_max_len
;
1048 rule
.pat
.max_pkt_offset
= dev
->wiphy
.coalesce
->max_pkt_offset
;
1050 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1056 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1057 struct ieee80211_supported_band
*sband
)
1059 struct nlattr
*nl_rates
, *nl_rate
;
1060 struct ieee80211_rate
*rate
;
1064 if (sband
->ht_cap
.ht_supported
&&
1065 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1066 sizeof(sband
->ht_cap
.mcs
),
1067 &sband
->ht_cap
.mcs
) ||
1068 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1069 sband
->ht_cap
.cap
) ||
1070 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1071 sband
->ht_cap
.ampdu_factor
) ||
1072 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1073 sband
->ht_cap
.ampdu_density
)))
1077 if (sband
->vht_cap
.vht_supported
&&
1078 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1079 sizeof(sband
->vht_cap
.vht_mcs
),
1080 &sband
->vht_cap
.vht_mcs
) ||
1081 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1082 sband
->vht_cap
.cap
)))
1086 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1090 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1091 nl_rate
= nla_nest_start(msg
, i
);
1095 rate
= &sband
->bitrates
[i
];
1096 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1099 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1101 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1104 nla_nest_end(msg
, nl_rate
);
1107 nla_nest_end(msg
, nl_rates
);
1113 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1114 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1117 struct nlattr
*nl_ftypes
, *nl_ifs
;
1118 enum nl80211_iftype ift
;
1124 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1128 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1129 nl_ftypes
= nla_nest_start(msg
, ift
);
1133 stypes
= mgmt_stypes
[ift
].tx
;
1136 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1137 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1142 nla_nest_end(msg
, nl_ftypes
);
1145 nla_nest_end(msg
, nl_ifs
);
1147 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1151 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1152 nl_ftypes
= nla_nest_start(msg
, ift
);
1156 stypes
= mgmt_stypes
[ift
].rx
;
1159 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1160 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1165 nla_nest_end(msg
, nl_ftypes
);
1167 nla_nest_end(msg
, nl_ifs
);
1172 struct nl80211_dump_wiphy_state
{
1175 long split_start
, band_start
, chan_start
;
1179 static int nl80211_send_wiphy(struct cfg80211_registered_device
*dev
,
1180 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1181 int flags
, struct nl80211_dump_wiphy_state
*state
)
1184 struct nlattr
*nl_bands
, *nl_band
;
1185 struct nlattr
*nl_freqs
, *nl_freq
;
1186 struct nlattr
*nl_cmds
;
1187 enum ieee80211_band band
;
1188 struct ieee80211_channel
*chan
;
1190 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1191 dev
->wiphy
.mgmt_stypes
;
1194 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
1198 if (WARN_ON(!state
))
1201 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
1202 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1203 wiphy_name(&dev
->wiphy
)) ||
1204 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1205 cfg80211_rdev_list_generation
))
1206 goto nla_put_failure
;
1208 switch (state
->split_start
) {
1210 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1211 dev
->wiphy
.retry_short
) ||
1212 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1213 dev
->wiphy
.retry_long
) ||
1214 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1215 dev
->wiphy
.frag_threshold
) ||
1216 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1217 dev
->wiphy
.rts_threshold
) ||
1218 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1219 dev
->wiphy
.coverage_class
) ||
1220 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1221 dev
->wiphy
.max_scan_ssids
) ||
1222 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1223 dev
->wiphy
.max_sched_scan_ssids
) ||
1224 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1225 dev
->wiphy
.max_scan_ie_len
) ||
1226 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1227 dev
->wiphy
.max_sched_scan_ie_len
) ||
1228 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1229 dev
->wiphy
.max_match_sets
))
1230 goto nla_put_failure
;
1232 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1233 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1234 goto nla_put_failure
;
1235 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1236 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1237 goto nla_put_failure
;
1238 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1239 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1240 goto nla_put_failure
;
1241 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1242 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1243 goto nla_put_failure
;
1244 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1245 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1246 goto nla_put_failure
;
1247 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1248 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1249 goto nla_put_failure
;
1250 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1251 nla_put_flag(msg
, WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1252 goto nla_put_failure
;
1254 state
->split_start
++;
1258 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1259 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
1260 dev
->wiphy
.cipher_suites
))
1261 goto nla_put_failure
;
1263 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1264 dev
->wiphy
.max_num_pmkids
))
1265 goto nla_put_failure
;
1267 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1268 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1269 goto nla_put_failure
;
1271 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1272 dev
->wiphy
.available_antennas_tx
) ||
1273 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1274 dev
->wiphy
.available_antennas_rx
))
1275 goto nla_put_failure
;
1277 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1278 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1279 dev
->wiphy
.probe_resp_offload
))
1280 goto nla_put_failure
;
1282 if ((dev
->wiphy
.available_antennas_tx
||
1283 dev
->wiphy
.available_antennas_rx
) &&
1284 dev
->ops
->get_antenna
) {
1285 u32 tx_ant
= 0, rx_ant
= 0;
1287 res
= rdev_get_antenna(dev
, &tx_ant
, &rx_ant
);
1289 if (nla_put_u32(msg
,
1290 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1293 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1295 goto nla_put_failure
;
1299 state
->split_start
++;
1303 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1304 dev
->wiphy
.interface_modes
))
1305 goto nla_put_failure
;
1306 state
->split_start
++;
1310 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1312 goto nla_put_failure
;
1314 for (band
= state
->band_start
;
1315 band
< IEEE80211_NUM_BANDS
; band
++) {
1316 struct ieee80211_supported_band
*sband
;
1318 sband
= dev
->wiphy
.bands
[band
];
1323 nl_band
= nla_nest_start(msg
, band
);
1325 goto nla_put_failure
;
1327 switch (state
->chan_start
) {
1329 if (nl80211_send_band_rateinfo(msg
, sband
))
1330 goto nla_put_failure
;
1331 state
->chan_start
++;
1335 /* add frequencies */
1336 nl_freqs
= nla_nest_start(
1337 msg
, NL80211_BAND_ATTR_FREQS
);
1339 goto nla_put_failure
;
1341 for (i
= state
->chan_start
- 1;
1342 i
< sband
->n_channels
;
1344 nl_freq
= nla_nest_start(msg
, i
);
1346 goto nla_put_failure
;
1348 chan
= &sband
->channels
[i
];
1350 if (nl80211_msg_put_channel(
1353 goto nla_put_failure
;
1355 nla_nest_end(msg
, nl_freq
);
1359 if (i
< sband
->n_channels
)
1360 state
->chan_start
= i
+ 2;
1362 state
->chan_start
= 0;
1363 nla_nest_end(msg
, nl_freqs
);
1366 nla_nest_end(msg
, nl_band
);
1369 /* start again here */
1370 if (state
->chan_start
)
1375 nla_nest_end(msg
, nl_bands
);
1377 if (band
< IEEE80211_NUM_BANDS
)
1378 state
->band_start
= band
+ 1;
1380 state
->band_start
= 0;
1382 /* if bands & channels are done, continue outside */
1383 if (state
->band_start
== 0 && state
->chan_start
== 0)
1384 state
->split_start
++;
1388 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1390 goto nla_put_failure
;
1393 #define CMD(op, n) \
1395 if (dev->ops->op) { \
1397 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1398 goto nla_put_failure; \
1402 CMD(add_virtual_intf
, NEW_INTERFACE
);
1403 CMD(change_virtual_intf
, SET_INTERFACE
);
1404 CMD(add_key
, NEW_KEY
);
1405 CMD(start_ap
, START_AP
);
1406 CMD(add_station
, NEW_STATION
);
1407 CMD(add_mpath
, NEW_MPATH
);
1408 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1409 CMD(change_bss
, SET_BSS
);
1410 CMD(auth
, AUTHENTICATE
);
1411 CMD(assoc
, ASSOCIATE
);
1412 CMD(deauth
, DEAUTHENTICATE
);
1413 CMD(disassoc
, DISASSOCIATE
);
1414 CMD(join_ibss
, JOIN_IBSS
);
1415 CMD(join_mesh
, JOIN_MESH
);
1416 CMD(set_pmksa
, SET_PMKSA
);
1417 CMD(del_pmksa
, DEL_PMKSA
);
1418 CMD(flush_pmksa
, FLUSH_PMKSA
);
1419 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1420 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1421 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1422 CMD(mgmt_tx
, FRAME
);
1423 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1424 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1426 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1427 goto nla_put_failure
;
1429 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1430 dev
->ops
->join_mesh
) {
1432 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1433 goto nla_put_failure
;
1435 CMD(set_wds_peer
, SET_WDS_PEER
);
1436 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1437 CMD(tdls_mgmt
, TDLS_MGMT
);
1438 CMD(tdls_oper
, TDLS_OPER
);
1440 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1441 CMD(sched_scan_start
, START_SCHED_SCAN
);
1442 CMD(probe_client
, PROBE_CLIENT
);
1443 CMD(set_noack_map
, SET_NOACK_MAP
);
1444 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1446 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1447 goto nla_put_failure
;
1449 CMD(start_p2p_device
, START_P2P_DEVICE
);
1450 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1452 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1453 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1454 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1455 CMD(channel_switch
, CHANNEL_SWITCH
);
1458 #ifdef CONFIG_NL80211_TESTMODE
1459 CMD(testmode_cmd
, TESTMODE
);
1464 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1466 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1467 goto nla_put_failure
;
1470 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1472 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1473 goto nla_put_failure
;
1476 nla_nest_end(msg
, nl_cmds
);
1477 state
->split_start
++;
1481 if (dev
->ops
->remain_on_channel
&&
1482 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1484 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1485 dev
->wiphy
.max_remain_on_channel_duration
))
1486 goto nla_put_failure
;
1488 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1489 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1490 goto nla_put_failure
;
1492 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1493 goto nla_put_failure
;
1494 state
->split_start
++;
1499 if (nl80211_send_wowlan(msg
, dev
, state
->split
))
1500 goto nla_put_failure
;
1501 state
->split_start
++;
1505 state
->split_start
++;
1508 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1509 dev
->wiphy
.software_iftypes
))
1510 goto nla_put_failure
;
1512 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
,
1514 goto nla_put_failure
;
1516 state
->split_start
++;
1520 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1521 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1522 dev
->wiphy
.ap_sme_capa
))
1523 goto nla_put_failure
;
1525 features
= dev
->wiphy
.features
;
1527 * We can only add the per-channel limit information if the
1528 * dump is split, otherwise it makes it too big. Therefore
1529 * only advertise it in that case.
1532 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1533 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1534 goto nla_put_failure
;
1536 if (dev
->wiphy
.ht_capa_mod_mask
&&
1537 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1538 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1539 dev
->wiphy
.ht_capa_mod_mask
))
1540 goto nla_put_failure
;
1542 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1543 dev
->wiphy
.max_acl_mac_addrs
&&
1544 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1545 dev
->wiphy
.max_acl_mac_addrs
))
1546 goto nla_put_failure
;
1549 * Any information below this point is only available to
1550 * applications that can deal with it being split. This
1551 * helps ensure that newly added capabilities don't break
1552 * older tools by overrunning their buffers.
1554 * We still increment split_start so that in the split
1555 * case we'll continue with more data in the next round,
1556 * but break unconditionally so unsplit data stops here.
1558 state
->split_start
++;
1561 if (dev
->wiphy
.extended_capabilities
&&
1562 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1563 dev
->wiphy
.extended_capabilities_len
,
1564 dev
->wiphy
.extended_capabilities
) ||
1565 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1566 dev
->wiphy
.extended_capabilities_len
,
1567 dev
->wiphy
.extended_capabilities_mask
)))
1568 goto nla_put_failure
;
1570 if (dev
->wiphy
.vht_capa_mod_mask
&&
1571 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1572 sizeof(*dev
->wiphy
.vht_capa_mod_mask
),
1573 dev
->wiphy
.vht_capa_mod_mask
))
1574 goto nla_put_failure
;
1576 state
->split_start
++;
1579 if (nl80211_send_coalesce(msg
, dev
))
1580 goto nla_put_failure
;
1583 state
->split_start
= 0;
1586 return genlmsg_end(msg
, hdr
);
1589 genlmsg_cancel(msg
, hdr
);
1593 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1594 struct netlink_callback
*cb
,
1595 struct nl80211_dump_wiphy_state
*state
)
1597 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1598 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1599 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1600 /* ignore parse errors for backward compatibility */
1604 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1605 if (tb
[NL80211_ATTR_WIPHY
])
1606 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1607 if (tb
[NL80211_ATTR_WDEV
])
1608 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1609 if (tb
[NL80211_ATTR_IFINDEX
]) {
1610 struct net_device
*netdev
;
1611 struct cfg80211_registered_device
*rdev
;
1612 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1614 netdev
= dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1617 if (netdev
->ieee80211_ptr
) {
1618 rdev
= wiphy_to_dev(
1619 netdev
->ieee80211_ptr
->wiphy
);
1620 state
->filter_wiphy
= rdev
->wiphy_idx
;
1628 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1631 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1632 struct cfg80211_registered_device
*dev
;
1636 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1641 state
->filter_wiphy
= -1;
1642 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1648 cb
->args
[0] = (long)state
;
1651 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1652 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1654 if (++idx
<= state
->start
)
1656 if (state
->filter_wiphy
!= -1 &&
1657 state
->filter_wiphy
!= dev
->wiphy_idx
)
1659 /* attempt to fit multiple wiphy data chunks into the skb */
1661 ret
= nl80211_send_wiphy(dev
, skb
,
1662 NETLINK_CB(cb
->skb
).portid
,
1664 NLM_F_MULTI
, state
);
1667 * If sending the wiphy data didn't fit (ENOBUFS
1668 * or EMSGSIZE returned), this SKB is still
1669 * empty (so it's not too big because another
1670 * wiphy dataset is already in the skb) and
1671 * we've not tried to adjust the dump allocation
1672 * yet ... then adjust the alloc size to be
1673 * bigger, and return 1 but with the empty skb.
1674 * This results in an empty message being RX'ed
1675 * in userspace, but that is ignored.
1677 * We can then retry with the larger buffer.
1679 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1681 cb
->min_dump_alloc
< 4096) {
1682 cb
->min_dump_alloc
= 4096;
1689 } while (state
->split_start
> 0);
1699 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1701 kfree((void *)cb
->args
[0]);
1705 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1707 struct sk_buff
*msg
;
1708 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1709 struct nl80211_dump_wiphy_state state
= {};
1711 msg
= nlmsg_new(4096, GFP_KERNEL
);
1715 if (nl80211_send_wiphy(dev
, msg
, info
->snd_portid
, info
->snd_seq
, 0,
1721 return genlmsg_reply(msg
, info
);
1724 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1725 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1726 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1727 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1728 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1729 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1732 static int parse_txq_params(struct nlattr
*tb
[],
1733 struct ieee80211_txq_params
*txq_params
)
1735 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1736 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1737 !tb
[NL80211_TXQ_ATTR_AIFS
])
1740 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1741 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1742 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1743 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1744 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1746 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1752 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1755 * You can only set the channel explicitly for WDS interfaces,
1756 * all others have their channel managed via their respective
1757 * "establish a connection" command (connect, join, ...)
1759 * For AP/GO and mesh mode, the channel can be set with the
1760 * channel userspace API, but is only stored and passed to the
1761 * low-level driver when the AP starts or the mesh is joined.
1762 * This is for backward compatibility, userspace can also give
1763 * the channel in the start-ap or join-mesh commands instead.
1765 * Monitors are special as they are normally slaved to
1766 * whatever else is going on, so they have their own special
1767 * operation to set the monitor channel if possible.
1770 wdev
->iftype
== NL80211_IFTYPE_AP
||
1771 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1772 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1773 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1776 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1777 struct genl_info
*info
,
1778 struct cfg80211_chan_def
*chandef
)
1782 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1785 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1787 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1788 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1789 chandef
->center_freq1
= control_freq
;
1790 chandef
->center_freq2
= 0;
1792 /* Primary channel not allowed */
1793 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1796 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1797 enum nl80211_channel_type chantype
;
1799 chantype
= nla_get_u32(
1800 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1803 case NL80211_CHAN_NO_HT
:
1804 case NL80211_CHAN_HT20
:
1805 case NL80211_CHAN_HT40PLUS
:
1806 case NL80211_CHAN_HT40MINUS
:
1807 cfg80211_chandef_create(chandef
, chandef
->chan
,
1813 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1815 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1816 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1817 chandef
->center_freq1
=
1819 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1820 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1821 chandef
->center_freq2
=
1823 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1826 if (!cfg80211_chandef_valid(chandef
))
1829 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1830 IEEE80211_CHAN_DISABLED
))
1833 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1834 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1835 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1841 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1842 struct wireless_dev
*wdev
,
1843 struct genl_info
*info
)
1845 struct cfg80211_chan_def chandef
;
1847 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1850 iftype
= wdev
->iftype
;
1852 if (!nl80211_can_set_dev_channel(wdev
))
1855 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1860 case NL80211_IFTYPE_AP
:
1861 case NL80211_IFTYPE_P2P_GO
:
1862 if (wdev
->beacon_interval
) {
1866 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
)) {
1870 wdev
->preset_chandef
= chandef
;
1873 case NL80211_IFTYPE_MESH_POINT
:
1874 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1876 case NL80211_IFTYPE_MONITOR
:
1877 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
1886 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1888 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1889 struct net_device
*netdev
= info
->user_ptr
[1];
1891 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1894 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1896 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1897 struct net_device
*dev
= info
->user_ptr
[1];
1898 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1901 if (!info
->attrs
[NL80211_ATTR_MAC
])
1904 if (netif_running(dev
))
1907 if (!rdev
->ops
->set_wds_peer
)
1910 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1913 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1914 return rdev_set_wds_peer(rdev
, dev
, bssid
);
1918 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1920 struct cfg80211_registered_device
*rdev
;
1921 struct net_device
*netdev
= NULL
;
1922 struct wireless_dev
*wdev
;
1923 int result
= 0, rem_txq_params
= 0;
1924 struct nlattr
*nl_txq_params
;
1926 u8 retry_short
= 0, retry_long
= 0;
1927 u32 frag_threshold
= 0, rts_threshold
= 0;
1928 u8 coverage_class
= 0;
1933 * Try to find the wiphy and netdev. Normally this
1934 * function shouldn't need the netdev, but this is
1935 * done for backward compatibility -- previously
1936 * setting the channel was done per wiphy, but now
1937 * it is per netdev. Previous userland like hostapd
1938 * also passed a netdev to set_wiphy, so that it is
1939 * possible to let that go to the right netdev!
1942 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1943 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1945 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1946 if (netdev
&& netdev
->ieee80211_ptr
)
1947 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1953 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1956 return PTR_ERR(rdev
);
1961 wdev
= netdev
->ieee80211_ptr
;
1964 * end workaround code, by now the rdev is available
1965 * and locked, and wdev may or may not be NULL.
1968 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1969 result
= cfg80211_dev_rename(
1970 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1975 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1976 struct ieee80211_txq_params txq_params
;
1977 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1979 if (!rdev
->ops
->set_txq_params
) {
1980 result
= -EOPNOTSUPP
;
1989 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1990 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1995 if (!netif_running(netdev
)) {
2000 nla_for_each_nested(nl_txq_params
,
2001 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2003 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2004 nla_data(nl_txq_params
),
2005 nla_len(nl_txq_params
),
2007 result
= parse_txq_params(tb
, &txq_params
);
2011 result
= rdev_set_txq_params(rdev
, netdev
,
2018 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2019 result
= __nl80211_set_channel(rdev
,
2020 nl80211_can_set_dev_channel(wdev
) ? wdev
: NULL
,
2026 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2027 struct wireless_dev
*txp_wdev
= wdev
;
2028 enum nl80211_tx_power_setting type
;
2031 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2034 if (!rdev
->ops
->set_tx_power
) {
2035 result
= -EOPNOTSUPP
;
2039 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2040 type
= nla_get_u32(info
->attrs
[idx
]);
2042 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2043 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
2048 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2049 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2050 mbm
= nla_get_u32(info
->attrs
[idx
]);
2053 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2058 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2059 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2061 if ((!rdev
->wiphy
.available_antennas_tx
&&
2062 !rdev
->wiphy
.available_antennas_rx
) ||
2063 !rdev
->ops
->set_antenna
) {
2064 result
= -EOPNOTSUPP
;
2068 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2069 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2071 /* reject antenna configurations which don't match the
2072 * available antenna masks, except for the "all" mask */
2073 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2074 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
2079 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2080 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2082 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2089 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2090 retry_short
= nla_get_u8(
2091 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2092 if (retry_short
== 0) {
2096 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2099 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2100 retry_long
= nla_get_u8(
2101 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2102 if (retry_long
== 0) {
2106 changed
|= WIPHY_PARAM_RETRY_LONG
;
2109 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2110 frag_threshold
= nla_get_u32(
2111 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2112 if (frag_threshold
< 256) {
2116 if (frag_threshold
!= (u32
) -1) {
2118 * Fragments (apart from the last one) are required to
2119 * have even length. Make the fragmentation code
2120 * simpler by stripping LSB should someone try to use
2121 * odd threshold value.
2123 frag_threshold
&= ~0x1;
2125 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2128 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2129 rts_threshold
= nla_get_u32(
2130 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2131 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2134 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2135 coverage_class
= nla_get_u8(
2136 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2137 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2141 u8 old_retry_short
, old_retry_long
;
2142 u32 old_frag_threshold
, old_rts_threshold
;
2143 u8 old_coverage_class
;
2145 if (!rdev
->ops
->set_wiphy_params
) {
2146 result
= -EOPNOTSUPP
;
2150 old_retry_short
= rdev
->wiphy
.retry_short
;
2151 old_retry_long
= rdev
->wiphy
.retry_long
;
2152 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2153 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2154 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2156 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2157 rdev
->wiphy
.retry_short
= retry_short
;
2158 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2159 rdev
->wiphy
.retry_long
= retry_long
;
2160 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2161 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2162 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2163 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2164 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2165 rdev
->wiphy
.coverage_class
= coverage_class
;
2167 result
= rdev_set_wiphy_params(rdev
, changed
);
2169 rdev
->wiphy
.retry_short
= old_retry_short
;
2170 rdev
->wiphy
.retry_long
= old_retry_long
;
2171 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2172 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2173 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2183 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2185 return (u64
)wdev
->identifier
|
2186 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
2189 static int nl80211_send_chandef(struct sk_buff
*msg
,
2190 struct cfg80211_chan_def
*chandef
)
2192 WARN_ON(!cfg80211_chandef_valid(chandef
));
2194 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2195 chandef
->chan
->center_freq
))
2197 switch (chandef
->width
) {
2198 case NL80211_CHAN_WIDTH_20_NOHT
:
2199 case NL80211_CHAN_WIDTH_20
:
2200 case NL80211_CHAN_WIDTH_40
:
2201 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2202 cfg80211_get_chandef_type(chandef
)))
2208 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2210 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2212 if (chandef
->center_freq2
&&
2213 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2218 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2219 struct cfg80211_registered_device
*rdev
,
2220 struct wireless_dev
*wdev
)
2222 struct net_device
*dev
= wdev
->netdev
;
2225 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2230 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2231 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2232 goto nla_put_failure
;
2234 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2235 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2236 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2237 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2238 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2239 rdev
->devlist_generation
^
2240 (cfg80211_rdev_list_generation
<< 2)))
2241 goto nla_put_failure
;
2243 if (rdev
->ops
->get_channel
) {
2245 struct cfg80211_chan_def chandef
;
2247 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2249 if (nl80211_send_chandef(msg
, &chandef
))
2250 goto nla_put_failure
;
2254 if (wdev
->ssid_len
) {
2255 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2256 goto nla_put_failure
;
2259 return genlmsg_end(msg
, hdr
);
2262 genlmsg_cancel(msg
, hdr
);
2266 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2270 int wp_start
= cb
->args
[0];
2271 int if_start
= cb
->args
[1];
2272 struct cfg80211_registered_device
*rdev
;
2273 struct wireless_dev
*wdev
;
2276 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2277 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2279 if (wp_idx
< wp_start
) {
2285 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2286 if (if_idx
< if_start
) {
2290 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2291 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2303 cb
->args
[0] = wp_idx
;
2304 cb
->args
[1] = if_idx
;
2309 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2311 struct sk_buff
*msg
;
2312 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
2313 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2315 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2319 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2325 return genlmsg_reply(msg
, info
);
2328 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2329 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2330 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2331 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2332 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2333 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2334 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2337 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2339 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2347 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2348 nla
, mntr_flags_policy
))
2351 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2353 *mntrflags
|= (1<<flag
);
2358 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2359 struct net_device
*netdev
, u8 use_4addr
,
2360 enum nl80211_iftype iftype
)
2363 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2369 case NL80211_IFTYPE_AP_VLAN
:
2370 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2373 case NL80211_IFTYPE_STATION
:
2374 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2384 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2386 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2387 struct vif_params params
;
2389 enum nl80211_iftype otype
, ntype
;
2390 struct net_device
*dev
= info
->user_ptr
[1];
2391 u32 _flags
, *flags
= NULL
;
2392 bool change
= false;
2394 memset(¶ms
, 0, sizeof(params
));
2396 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2398 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2399 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2402 if (ntype
> NL80211_IFTYPE_MAX
)
2406 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2407 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2409 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2411 if (netif_running(dev
))
2415 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2416 IEEE80211_MAX_MESH_ID_LEN
);
2417 wdev
->mesh_id_up_len
=
2418 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2419 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2420 wdev
->mesh_id_up_len
);
2424 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2425 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2427 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2431 params
.use_4addr
= -1;
2434 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2435 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2437 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2446 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2447 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2451 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2455 if (!err
&& params
.use_4addr
!= -1)
2456 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2461 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2463 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2464 struct vif_params params
;
2465 struct wireless_dev
*wdev
;
2466 struct sk_buff
*msg
;
2468 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2471 memset(¶ms
, 0, sizeof(params
));
2473 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2476 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2477 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2478 if (type
> NL80211_IFTYPE_MAX
)
2482 if (!rdev
->ops
->add_virtual_intf
||
2483 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2486 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2487 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2489 if (!is_valid_ether_addr(params
.macaddr
))
2490 return -EADDRNOTAVAIL
;
2493 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2494 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2495 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2500 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2504 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2505 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2508 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2509 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2512 wdev
= rdev_add_virtual_intf(rdev
,
2513 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2514 type
, err
? NULL
: &flags
, ¶ms
);
2517 return PTR_ERR(wdev
);
2521 case NL80211_IFTYPE_MESH_POINT
:
2522 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2525 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2526 IEEE80211_MAX_MESH_ID_LEN
);
2527 wdev
->mesh_id_up_len
=
2528 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2529 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2530 wdev
->mesh_id_up_len
);
2533 case NL80211_IFTYPE_P2P_DEVICE
:
2535 * P2P Device doesn't have a netdev, so doesn't go
2536 * through the netdev notifier and must be added here
2538 mutex_init(&wdev
->mtx
);
2539 INIT_LIST_HEAD(&wdev
->event_list
);
2540 spin_lock_init(&wdev
->event_lock
);
2541 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2542 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2544 wdev
->identifier
= ++rdev
->wdev_id
;
2545 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2546 rdev
->devlist_generation
++;
2552 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2558 return genlmsg_reply(msg
, info
);
2561 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2563 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2564 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2566 if (!rdev
->ops
->del_virtual_intf
)
2570 * If we remove a wireless device without a netdev then clear
2571 * user_ptr[1] so that nl80211_post_doit won't dereference it
2572 * to check if it needs to do dev_put(). Otherwise it crashes
2573 * since the wdev has been freed, unlike with a netdev where
2574 * we need the dev_put() for the netdev to really be freed.
2577 info
->user_ptr
[1] = NULL
;
2579 return rdev_del_virtual_intf(rdev
, wdev
);
2582 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2584 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2585 struct net_device
*dev
= info
->user_ptr
[1];
2588 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2591 if (!rdev
->ops
->set_noack_map
)
2594 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2596 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2599 struct get_key_cookie
{
2600 struct sk_buff
*msg
;
2605 static void get_key_callback(void *c
, struct key_params
*params
)
2608 struct get_key_cookie
*cookie
= c
;
2611 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2612 params
->key_len
, params
->key
)) ||
2614 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2615 params
->seq_len
, params
->seq
)) ||
2617 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2619 goto nla_put_failure
;
2621 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2623 goto nla_put_failure
;
2626 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2627 params
->key_len
, params
->key
)) ||
2629 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2630 params
->seq_len
, params
->seq
)) ||
2632 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2634 goto nla_put_failure
;
2636 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2637 goto nla_put_failure
;
2639 nla_nest_end(cookie
->msg
, key
);
2646 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2648 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2650 struct net_device
*dev
= info
->user_ptr
[1];
2652 const u8
*mac_addr
= NULL
;
2654 struct get_key_cookie cookie
= {
2658 struct sk_buff
*msg
;
2660 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2661 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2666 if (info
->attrs
[NL80211_ATTR_MAC
])
2667 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2669 pairwise
= !!mac_addr
;
2670 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2671 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2672 if (kt
>= NUM_NL80211_KEYTYPES
)
2674 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2675 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2677 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2680 if (!rdev
->ops
->get_key
)
2683 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2687 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2688 NL80211_CMD_NEW_KEY
);
2690 goto nla_put_failure
;
2693 cookie
.idx
= key_idx
;
2695 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2696 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2697 goto nla_put_failure
;
2699 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2700 goto nla_put_failure
;
2702 if (pairwise
&& mac_addr
&&
2703 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2706 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2713 goto nla_put_failure
;
2715 genlmsg_end(msg
, hdr
);
2716 return genlmsg_reply(msg
, info
);
2725 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2727 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2728 struct key_parse key
;
2730 struct net_device
*dev
= info
->user_ptr
[1];
2732 err
= nl80211_parse_key(info
, &key
);
2739 /* only support setting default key */
2740 if (!key
.def
&& !key
.defmgmt
)
2743 wdev_lock(dev
->ieee80211_ptr
);
2746 if (!rdev
->ops
->set_default_key
) {
2751 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2755 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2756 key
.def_uni
, key
.def_multi
);
2761 #ifdef CONFIG_CFG80211_WEXT
2762 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2765 if (key
.def_uni
|| !key
.def_multi
) {
2770 if (!rdev
->ops
->set_default_mgmt_key
) {
2775 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2779 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2783 #ifdef CONFIG_CFG80211_WEXT
2784 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2789 wdev_unlock(dev
->ieee80211_ptr
);
2794 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2796 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2798 struct net_device
*dev
= info
->user_ptr
[1];
2799 struct key_parse key
;
2800 const u8
*mac_addr
= NULL
;
2802 err
= nl80211_parse_key(info
, &key
);
2809 if (info
->attrs
[NL80211_ATTR_MAC
])
2810 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2812 if (key
.type
== -1) {
2814 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2816 key
.type
= NL80211_KEYTYPE_GROUP
;
2820 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2821 key
.type
!= NL80211_KEYTYPE_GROUP
)
2824 if (!rdev
->ops
->add_key
)
2827 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2828 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2832 wdev_lock(dev
->ieee80211_ptr
);
2833 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2835 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2836 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2838 wdev_unlock(dev
->ieee80211_ptr
);
2843 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2845 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2847 struct net_device
*dev
= info
->user_ptr
[1];
2848 u8
*mac_addr
= NULL
;
2849 struct key_parse key
;
2851 err
= nl80211_parse_key(info
, &key
);
2855 if (info
->attrs
[NL80211_ATTR_MAC
])
2856 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2858 if (key
.type
== -1) {
2860 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2862 key
.type
= NL80211_KEYTYPE_GROUP
;
2866 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2867 key
.type
!= NL80211_KEYTYPE_GROUP
)
2870 if (!rdev
->ops
->del_key
)
2873 wdev_lock(dev
->ieee80211_ptr
);
2874 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2876 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2877 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2881 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2882 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2885 #ifdef CONFIG_CFG80211_WEXT
2887 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2888 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2889 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2890 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2893 wdev_unlock(dev
->ieee80211_ptr
);
2898 /* This function returns an error or the number of nested attributes */
2899 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
2901 struct nlattr
*attr
;
2902 int n_entries
= 0, tmp
;
2904 nla_for_each_nested(attr
, nl_attr
, tmp
) {
2905 if (nla_len(attr
) != ETH_ALEN
)
2915 * This function parses ACL information and allocates memory for ACL data.
2916 * On successful return, the calling function is responsible to free the
2917 * ACL buffer returned by this function.
2919 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
2920 struct genl_info
*info
)
2922 enum nl80211_acl_policy acl_policy
;
2923 struct nlattr
*attr
;
2924 struct cfg80211_acl_data
*acl
;
2925 int i
= 0, n_entries
, tmp
;
2927 if (!wiphy
->max_acl_mac_addrs
)
2928 return ERR_PTR(-EOPNOTSUPP
);
2930 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
2931 return ERR_PTR(-EINVAL
);
2933 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
2934 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
2935 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
2936 return ERR_PTR(-EINVAL
);
2938 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
2939 return ERR_PTR(-EINVAL
);
2941 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
2943 return ERR_PTR(n_entries
);
2945 if (n_entries
> wiphy
->max_acl_mac_addrs
)
2946 return ERR_PTR(-ENOTSUPP
);
2948 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
2951 return ERR_PTR(-ENOMEM
);
2953 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
2954 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
2958 acl
->n_acl_entries
= n_entries
;
2959 acl
->acl_policy
= acl_policy
;
2964 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
2966 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2967 struct net_device
*dev
= info
->user_ptr
[1];
2968 struct cfg80211_acl_data
*acl
;
2971 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2972 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2975 if (!dev
->ieee80211_ptr
->beacon_interval
)
2978 acl
= parse_acl_data(&rdev
->wiphy
, info
);
2980 return PTR_ERR(acl
);
2982 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
2989 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
2990 struct cfg80211_beacon_data
*bcn
)
2992 bool haveinfo
= false;
2994 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2995 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
2996 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2997 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3000 memset(bcn
, 0, sizeof(*bcn
));
3002 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3003 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3004 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3010 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3011 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3012 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3019 if (attrs
[NL80211_ATTR_IE
]) {
3020 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3021 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3024 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3025 bcn
->proberesp_ies
=
3026 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3027 bcn
->proberesp_ies_len
=
3028 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3031 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3032 bcn
->assocresp_ies
=
3033 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3034 bcn
->assocresp_ies_len
=
3035 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3038 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3039 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3040 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3046 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3047 struct cfg80211_ap_settings
*params
)
3049 struct wireless_dev
*wdev
;
3052 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3053 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3054 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3057 if (!wdev
->preset_chandef
.chan
)
3060 params
->chandef
= wdev
->preset_chandef
;
3068 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3069 enum nl80211_auth_type auth_type
,
3070 enum nl80211_commands cmd
)
3072 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3076 case NL80211_CMD_AUTHENTICATE
:
3077 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3078 auth_type
== NL80211_AUTHTYPE_SAE
)
3081 case NL80211_CMD_CONNECT
:
3082 case NL80211_CMD_START_AP
:
3083 /* SAE not supported yet */
3084 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3092 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3094 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3095 struct net_device
*dev
= info
->user_ptr
[1];
3096 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3097 struct cfg80211_ap_settings params
;
3099 u8 radar_detect_width
= 0;
3101 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3102 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3105 if (!rdev
->ops
->start_ap
)
3108 if (wdev
->beacon_interval
)
3111 memset(¶ms
, 0, sizeof(params
));
3113 /* these are required for START_AP */
3114 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3115 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3116 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3119 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3123 params
.beacon_interval
=
3124 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3125 params
.dtim_period
=
3126 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3128 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3133 * In theory, some of these attributes should be required here
3134 * but since they were not used when the command was originally
3135 * added, keep them optional for old user space programs to let
3136 * them continue to work with drivers that do not need the
3137 * additional information -- drivers must check!
3139 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3140 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3142 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3143 if (params
.ssid_len
== 0 ||
3144 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3148 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3149 params
.hidden_ssid
= nla_get_u32(
3150 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3151 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3152 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3153 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3157 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3159 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3160 params
.auth_type
= nla_get_u32(
3161 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3162 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3163 NL80211_CMD_START_AP
))
3166 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3168 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3169 NL80211_MAX_NR_CIPHER_SUITES
);
3173 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3174 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3176 params
.inactivity_timeout
= nla_get_u16(
3177 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3180 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3181 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3183 params
.p2p_ctwindow
=
3184 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3185 if (params
.p2p_ctwindow
> 127)
3187 if (params
.p2p_ctwindow
!= 0 &&
3188 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3192 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3195 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3197 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3200 params
.p2p_opp_ps
= tmp
;
3201 if (params
.p2p_opp_ps
!= 0 &&
3202 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3206 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3207 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3210 } else if (wdev
->preset_chandef
.chan
) {
3211 params
.chandef
= wdev
->preset_chandef
;
3212 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3215 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
3218 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, ¶ms
.chandef
);
3222 radar_detect_width
= BIT(params
.chandef
.width
);
3223 params
.radar_required
= true;
3226 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
3227 params
.chandef
.chan
,
3229 radar_detect_width
);
3233 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3234 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3235 if (IS_ERR(params
.acl
))
3236 return PTR_ERR(params
.acl
);
3239 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3241 wdev
->preset_chandef
= params
.chandef
;
3242 wdev
->beacon_interval
= params
.beacon_interval
;
3243 wdev
->channel
= params
.chandef
.chan
;
3244 wdev
->ssid_len
= params
.ssid_len
;
3245 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3253 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3255 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3256 struct net_device
*dev
= info
->user_ptr
[1];
3257 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3258 struct cfg80211_beacon_data params
;
3261 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3262 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3265 if (!rdev
->ops
->change_beacon
)
3268 if (!wdev
->beacon_interval
)
3271 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3275 return rdev_change_beacon(rdev
, dev
, ¶ms
);
3278 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3280 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3281 struct net_device
*dev
= info
->user_ptr
[1];
3283 return cfg80211_stop_ap(rdev
, dev
);
3286 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3287 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3288 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3289 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3290 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3291 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3292 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3295 static int parse_station_flags(struct genl_info
*info
,
3296 enum nl80211_iftype iftype
,
3297 struct station_parameters
*params
)
3299 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3304 * Try parsing the new attribute first so userspace
3305 * can specify both for older kernels.
3307 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3309 struct nl80211_sta_flag_update
*sta_flags
;
3311 sta_flags
= nla_data(nla
);
3312 params
->sta_flags_mask
= sta_flags
->mask
;
3313 params
->sta_flags_set
= sta_flags
->set
;
3314 params
->sta_flags_set
&= params
->sta_flags_mask
;
3315 if ((params
->sta_flags_mask
|
3316 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3321 /* if present, parse the old attribute */
3323 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3327 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3328 nla
, sta_flags_policy
))
3332 * Only allow certain flags for interface types so that
3333 * other attributes are silently ignored. Remember that
3334 * this is backward compatibility code with old userspace
3335 * and shouldn't be hit in other cases anyway.
3338 case NL80211_IFTYPE_AP
:
3339 case NL80211_IFTYPE_AP_VLAN
:
3340 case NL80211_IFTYPE_P2P_GO
:
3341 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3342 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3343 BIT(NL80211_STA_FLAG_WME
) |
3344 BIT(NL80211_STA_FLAG_MFP
);
3346 case NL80211_IFTYPE_P2P_CLIENT
:
3347 case NL80211_IFTYPE_STATION
:
3348 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3349 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3351 case NL80211_IFTYPE_MESH_POINT
:
3352 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3353 BIT(NL80211_STA_FLAG_MFP
) |
3354 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3359 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3361 params
->sta_flags_set
|= (1<<flag
);
3363 /* no longer support new API additions in old API */
3364 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3372 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3375 struct nlattr
*rate
;
3379 rate
= nla_nest_start(msg
, attr
);
3383 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3384 bitrate
= cfg80211_calculate_bitrate(info
);
3385 /* report 16-bit bitrate only if we can */
3386 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3388 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3390 if (bitrate_compat
> 0 &&
3391 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3394 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3395 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3397 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3398 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3400 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3401 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3403 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3404 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3406 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3408 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3409 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3411 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3412 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3414 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3415 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3417 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3418 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3420 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3421 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3425 nla_nest_end(msg
, rate
);
3429 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3438 attr
= nla_nest_start(msg
, id
);
3442 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3443 if (!(mask
& BIT(i
)))
3446 if (nla_put_u8(msg
, i
, signal
[i
]))
3450 nla_nest_end(msg
, attr
);
3455 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3457 struct cfg80211_registered_device
*rdev
,
3458 struct net_device
*dev
,
3459 const u8
*mac_addr
, struct station_info
*sinfo
)
3462 struct nlattr
*sinfoattr
, *bss_param
;
3464 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3468 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3469 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3470 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3471 goto nla_put_failure
;
3473 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3475 goto nla_put_failure
;
3476 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3477 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3478 sinfo
->connected_time
))
3479 goto nla_put_failure
;
3480 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3481 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3482 sinfo
->inactive_time
))
3483 goto nla_put_failure
;
3484 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3485 STATION_INFO_RX_BYTES64
)) &&
3486 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3487 (u32
)sinfo
->rx_bytes
))
3488 goto nla_put_failure
;
3489 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3490 STATION_INFO_TX_BYTES64
)) &&
3491 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3492 (u32
)sinfo
->tx_bytes
))
3493 goto nla_put_failure
;
3494 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3495 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3497 goto nla_put_failure
;
3498 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3499 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3501 goto nla_put_failure
;
3502 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3503 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3504 goto nla_put_failure
;
3505 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3506 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3507 goto nla_put_failure
;
3508 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3509 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3510 sinfo
->plink_state
))
3511 goto nla_put_failure
;
3512 switch (rdev
->wiphy
.signal_type
) {
3513 case CFG80211_SIGNAL_TYPE_MBM
:
3514 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3515 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3517 goto nla_put_failure
;
3518 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3519 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3521 goto nla_put_failure
;
3526 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3527 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3528 sinfo
->chain_signal
,
3529 NL80211_STA_INFO_CHAIN_SIGNAL
))
3530 goto nla_put_failure
;
3532 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3533 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3534 sinfo
->chain_signal_avg
,
3535 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3536 goto nla_put_failure
;
3538 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3539 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3540 NL80211_STA_INFO_TX_BITRATE
))
3541 goto nla_put_failure
;
3543 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3544 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3545 NL80211_STA_INFO_RX_BITRATE
))
3546 goto nla_put_failure
;
3548 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3549 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3551 goto nla_put_failure
;
3552 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3553 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3555 goto nla_put_failure
;
3556 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3557 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3559 goto nla_put_failure
;
3560 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3561 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3563 goto nla_put_failure
;
3564 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3565 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3566 sinfo
->beacon_loss_count
))
3567 goto nla_put_failure
;
3568 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3569 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3571 goto nla_put_failure
;
3572 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3573 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3575 goto nla_put_failure
;
3576 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3577 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3579 goto nla_put_failure
;
3580 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3581 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3583 goto nla_put_failure
;
3585 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3586 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3587 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3588 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3589 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3590 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3591 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3592 sinfo
->bss_param
.dtim_period
) ||
3593 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3594 sinfo
->bss_param
.beacon_interval
))
3595 goto nla_put_failure
;
3597 nla_nest_end(msg
, bss_param
);
3599 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3600 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3601 sizeof(struct nl80211_sta_flag_update
),
3603 goto nla_put_failure
;
3604 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3605 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3607 goto nla_put_failure
;
3608 nla_nest_end(msg
, sinfoattr
);
3610 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3611 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3612 sinfo
->assoc_req_ies
))
3613 goto nla_put_failure
;
3615 return genlmsg_end(msg
, hdr
);
3618 genlmsg_cancel(msg
, hdr
);
3622 static int nl80211_dump_station(struct sk_buff
*skb
,
3623 struct netlink_callback
*cb
)
3625 struct station_info sinfo
;
3626 struct cfg80211_registered_device
*dev
;
3627 struct wireless_dev
*wdev
;
3628 u8 mac_addr
[ETH_ALEN
];
3629 int sta_idx
= cb
->args
[2];
3632 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
3636 if (!wdev
->netdev
) {
3641 if (!dev
->ops
->dump_station
) {
3647 memset(&sinfo
, 0, sizeof(sinfo
));
3648 err
= rdev_dump_station(dev
, wdev
->netdev
, sta_idx
,
3655 if (nl80211_send_station(skb
,
3656 NETLINK_CB(cb
->skb
).portid
,
3657 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3658 dev
, wdev
->netdev
, mac_addr
,
3667 cb
->args
[2] = sta_idx
;
3670 nl80211_finish_wdev_dump(dev
);
3675 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3677 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3678 struct net_device
*dev
= info
->user_ptr
[1];
3679 struct station_info sinfo
;
3680 struct sk_buff
*msg
;
3681 u8
*mac_addr
= NULL
;
3684 memset(&sinfo
, 0, sizeof(sinfo
));
3686 if (!info
->attrs
[NL80211_ATTR_MAC
])
3689 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3691 if (!rdev
->ops
->get_station
)
3694 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3698 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3702 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3703 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3708 return genlmsg_reply(msg
, info
);
3711 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3712 struct station_parameters
*params
,
3713 enum cfg80211_station_type statype
)
3715 if (params
->listen_interval
!= -1)
3720 /* When you run into this, adjust the code below for the new flag */
3721 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3724 case CFG80211_STA_MESH_PEER_KERNEL
:
3725 case CFG80211_STA_MESH_PEER_USER
:
3727 * No ignoring the TDLS flag here -- the userspace mesh
3728 * code doesn't have the bug of including TDLS in the
3731 if (params
->sta_flags_mask
&
3732 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3733 BIT(NL80211_STA_FLAG_MFP
) |
3734 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3737 case CFG80211_STA_TDLS_PEER_SETUP
:
3738 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3739 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3741 /* ignore since it can't change */
3742 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3745 /* disallow mesh-specific things */
3746 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3748 if (params
->local_pm
)
3750 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3754 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3755 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3756 /* TDLS can't be set, ... */
3757 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3760 * ... but don't bother the driver with it. This works around
3761 * a hostapd/wpa_supplicant issue -- it always includes the
3762 * TLDS_PEER flag in the mask even for AP mode.
3764 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3767 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3768 /* reject other things that can't change */
3769 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3771 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3773 if (params
->supported_rates
)
3775 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3779 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3785 case CFG80211_STA_AP_MLME_CLIENT
:
3786 /* Use this only for authorizing/unauthorizing a station */
3787 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3790 case CFG80211_STA_AP_CLIENT
:
3791 /* accept only the listed bits */
3792 if (params
->sta_flags_mask
&
3793 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3794 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3795 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3796 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3797 BIT(NL80211_STA_FLAG_WME
) |
3798 BIT(NL80211_STA_FLAG_MFP
)))
3801 /* but authenticated/associated only if driver handles it */
3802 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3803 params
->sta_flags_mask
&
3804 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3805 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3808 case CFG80211_STA_IBSS
:
3809 case CFG80211_STA_AP_STA
:
3810 /* reject any changes other than AUTHORIZED */
3811 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3814 case CFG80211_STA_TDLS_PEER_SETUP
:
3815 /* reject any changes other than AUTHORIZED or WME */
3816 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3817 BIT(NL80211_STA_FLAG_WME
)))
3819 /* force (at least) rates when authorizing */
3820 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3821 !params
->supported_rates
)
3824 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3825 /* reject any changes */
3827 case CFG80211_STA_MESH_PEER_KERNEL
:
3828 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3831 case CFG80211_STA_MESH_PEER_USER
:
3832 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3839 EXPORT_SYMBOL(cfg80211_check_station_change
);
3842 * Get vlan interface making sure it is running and on the right wiphy.
3844 static struct net_device
*get_vlan(struct genl_info
*info
,
3845 struct cfg80211_registered_device
*rdev
)
3847 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3848 struct net_device
*v
;
3854 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3856 return ERR_PTR(-ENODEV
);
3858 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3863 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3864 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3865 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3870 if (!netif_running(v
)) {
3878 return ERR_PTR(ret
);
3881 static struct nla_policy
3882 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3883 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3884 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3887 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3888 struct station_parameters
*params
)
3890 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3894 /* parse WME attributes if present */
3895 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3898 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3899 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3900 nl80211_sta_wme_policy
);
3904 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3905 params
->uapsd_queues
= nla_get_u8(
3906 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3907 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3910 if (tb
[NL80211_STA_WME_MAX_SP
])
3911 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3913 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3916 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3921 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
3922 struct station_parameters
*params
)
3924 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
3925 params
->supported_channels
=
3926 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3927 params
->supported_channels_len
=
3928 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3930 * Need to include at least one (first channel, number of
3931 * channels) tuple for each subband, and must have proper
3932 * tuples for the rest of the data as well.
3934 if (params
->supported_channels_len
< 2)
3936 if (params
->supported_channels_len
% 2)
3940 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
3941 params
->supported_oper_classes
=
3942 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3943 params
->supported_oper_classes_len
=
3944 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3946 * The value of the Length field of the Supported Operating
3947 * Classes element is between 2 and 253.
3949 if (params
->supported_oper_classes_len
< 2 ||
3950 params
->supported_oper_classes_len
> 253)
3956 static int nl80211_set_station_tdls(struct genl_info
*info
,
3957 struct station_parameters
*params
)
3960 /* Dummy STA entry gets updated once the peer capabilities are known */
3961 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
3962 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
3963 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3965 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3966 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3968 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
3970 err
= nl80211_parse_sta_channel_info(info
, params
);
3974 return nl80211_parse_sta_wme(info
, params
);
3977 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
3979 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3980 struct net_device
*dev
= info
->user_ptr
[1];
3981 struct station_parameters params
;
3985 memset(¶ms
, 0, sizeof(params
));
3987 params
.listen_interval
= -1;
3989 if (!rdev
->ops
->change_station
)
3992 if (info
->attrs
[NL80211_ATTR_STA_AID
])
3995 if (!info
->attrs
[NL80211_ATTR_MAC
])
3998 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4000 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4001 params
.supported_rates
=
4002 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4003 params
.supported_rates_len
=
4004 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4007 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4009 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4010 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4013 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4015 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4016 params
.ext_capab_len
=
4017 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4020 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4023 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4026 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4027 params
.plink_action
=
4028 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4029 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4033 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4034 params
.plink_state
=
4035 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4036 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4038 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4041 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4042 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4043 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4045 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4046 pm
> NL80211_MESH_POWER_MAX
)
4049 params
.local_pm
= pm
;
4052 /* Include parameters for TDLS peer (will check later) */
4053 err
= nl80211_set_station_tdls(info
, ¶ms
);
4057 params
.vlan
= get_vlan(info
, rdev
);
4058 if (IS_ERR(params
.vlan
))
4059 return PTR_ERR(params
.vlan
);
4061 switch (dev
->ieee80211_ptr
->iftype
) {
4062 case NL80211_IFTYPE_AP
:
4063 case NL80211_IFTYPE_AP_VLAN
:
4064 case NL80211_IFTYPE_P2P_GO
:
4065 case NL80211_IFTYPE_P2P_CLIENT
:
4066 case NL80211_IFTYPE_STATION
:
4067 case NL80211_IFTYPE_ADHOC
:
4068 case NL80211_IFTYPE_MESH_POINT
:
4075 /* driver will call cfg80211_check_station_change() */
4076 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4080 dev_put(params
.vlan
);
4085 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4087 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4089 struct net_device
*dev
= info
->user_ptr
[1];
4090 struct station_parameters params
;
4091 u8
*mac_addr
= NULL
;
4093 memset(¶ms
, 0, sizeof(params
));
4095 if (!rdev
->ops
->add_station
)
4098 if (!info
->attrs
[NL80211_ATTR_MAC
])
4101 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4104 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4107 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4108 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4111 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4112 params
.supported_rates
=
4113 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4114 params
.supported_rates_len
=
4115 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4116 params
.listen_interval
=
4117 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4119 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4120 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4122 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4123 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4126 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4128 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4129 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4132 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4134 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4135 params
.ext_capab_len
=
4136 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4139 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4141 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4143 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4145 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4147 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4148 params
.plink_action
=
4149 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4150 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4154 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4158 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4162 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4165 /* When you run into this, adjust the code below for the new flag */
4166 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4168 switch (dev
->ieee80211_ptr
->iftype
) {
4169 case NL80211_IFTYPE_AP
:
4170 case NL80211_IFTYPE_AP_VLAN
:
4171 case NL80211_IFTYPE_P2P_GO
:
4172 /* ignore WME attributes if iface/sta is not capable */
4173 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4174 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4175 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4177 /* TDLS peers cannot be added */
4178 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4179 info
->attrs
[NL80211_ATTR_PEER_AID
])
4181 /* but don't bother the driver with it */
4182 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4184 /* allow authenticated/associated only if driver handles it */
4185 if (!(rdev
->wiphy
.features
&
4186 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4187 params
.sta_flags_mask
&
4188 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4189 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4192 /* must be last in here for error handling */
4193 params
.vlan
= get_vlan(info
, rdev
);
4194 if (IS_ERR(params
.vlan
))
4195 return PTR_ERR(params
.vlan
);
4197 case NL80211_IFTYPE_MESH_POINT
:
4198 /* ignore uAPSD data */
4199 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4201 /* associated is disallowed */
4202 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4204 /* TDLS peers cannot be added */
4205 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4206 info
->attrs
[NL80211_ATTR_PEER_AID
])
4209 case NL80211_IFTYPE_STATION
:
4210 case NL80211_IFTYPE_P2P_CLIENT
:
4211 /* ignore uAPSD data */
4212 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4214 /* these are disallowed */
4215 if (params
.sta_flags_mask
&
4216 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4217 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4219 /* Only TDLS peers can be added */
4220 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4222 /* Can only add if TDLS ... */
4223 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4225 /* ... with external setup is supported */
4226 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4229 * Older wpa_supplicant versions always mark the TDLS peer
4230 * as authorized, but it shouldn't yet be.
4232 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4238 /* be aware of params.vlan when changing code here */
4240 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4243 dev_put(params
.vlan
);
4247 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4249 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4250 struct net_device
*dev
= info
->user_ptr
[1];
4251 u8
*mac_addr
= NULL
;
4253 if (info
->attrs
[NL80211_ATTR_MAC
])
4254 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4256 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4257 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4258 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4259 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4262 if (!rdev
->ops
->del_station
)
4265 return rdev_del_station(rdev
, dev
, mac_addr
);
4268 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4269 int flags
, struct net_device
*dev
,
4270 u8
*dst
, u8
*next_hop
,
4271 struct mpath_info
*pinfo
)
4274 struct nlattr
*pinfoattr
;
4276 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4280 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4281 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4282 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4283 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4284 goto nla_put_failure
;
4286 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4288 goto nla_put_failure
;
4289 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4290 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4292 goto nla_put_failure
;
4293 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4294 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4295 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4296 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4298 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4299 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4301 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4302 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4304 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4305 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4306 pinfo
->discovery_timeout
)) ||
4307 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4308 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4309 pinfo
->discovery_retries
)))
4310 goto nla_put_failure
;
4312 nla_nest_end(msg
, pinfoattr
);
4314 return genlmsg_end(msg
, hdr
);
4317 genlmsg_cancel(msg
, hdr
);
4321 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4322 struct netlink_callback
*cb
)
4324 struct mpath_info pinfo
;
4325 struct cfg80211_registered_device
*dev
;
4326 struct wireless_dev
*wdev
;
4328 u8 next_hop
[ETH_ALEN
];
4329 int path_idx
= cb
->args
[2];
4332 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
4336 if (!dev
->ops
->dump_mpath
) {
4341 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4347 err
= rdev_dump_mpath(dev
, wdev
->netdev
, path_idx
, dst
,
4354 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4355 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4356 wdev
->netdev
, dst
, next_hop
,
4365 cb
->args
[2] = path_idx
;
4368 nl80211_finish_wdev_dump(dev
);
4372 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4374 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4376 struct net_device
*dev
= info
->user_ptr
[1];
4377 struct mpath_info pinfo
;
4378 struct sk_buff
*msg
;
4380 u8 next_hop
[ETH_ALEN
];
4382 memset(&pinfo
, 0, sizeof(pinfo
));
4384 if (!info
->attrs
[NL80211_ATTR_MAC
])
4387 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4389 if (!rdev
->ops
->get_mpath
)
4392 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4395 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4399 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4403 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4404 dev
, dst
, next_hop
, &pinfo
) < 0) {
4409 return genlmsg_reply(msg
, info
);
4412 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4414 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4415 struct net_device
*dev
= info
->user_ptr
[1];
4417 u8
*next_hop
= NULL
;
4419 if (!info
->attrs
[NL80211_ATTR_MAC
])
4422 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4425 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4426 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4428 if (!rdev
->ops
->change_mpath
)
4431 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4434 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4437 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4439 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4440 struct net_device
*dev
= info
->user_ptr
[1];
4442 u8
*next_hop
= NULL
;
4444 if (!info
->attrs
[NL80211_ATTR_MAC
])
4447 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4450 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4451 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4453 if (!rdev
->ops
->add_mpath
)
4456 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4459 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4462 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4464 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4465 struct net_device
*dev
= info
->user_ptr
[1];
4468 if (info
->attrs
[NL80211_ATTR_MAC
])
4469 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4471 if (!rdev
->ops
->del_mpath
)
4474 return rdev_del_mpath(rdev
, dev
, dst
);
4477 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4479 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4480 struct net_device
*dev
= info
->user_ptr
[1];
4481 struct bss_parameters params
;
4483 memset(¶ms
, 0, sizeof(params
));
4484 /* default to not changing parameters */
4485 params
.use_cts_prot
= -1;
4486 params
.use_short_preamble
= -1;
4487 params
.use_short_slot_time
= -1;
4488 params
.ap_isolate
= -1;
4489 params
.ht_opmode
= -1;
4490 params
.p2p_ctwindow
= -1;
4491 params
.p2p_opp_ps
= -1;
4493 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4494 params
.use_cts_prot
=
4495 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4496 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4497 params
.use_short_preamble
=
4498 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4499 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4500 params
.use_short_slot_time
=
4501 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4502 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4503 params
.basic_rates
=
4504 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4505 params
.basic_rates_len
=
4506 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4508 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4509 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4510 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4512 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4514 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4515 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4517 params
.p2p_ctwindow
=
4518 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4519 if (params
.p2p_ctwindow
< 0)
4521 if (params
.p2p_ctwindow
!= 0 &&
4522 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4526 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4529 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4531 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4534 params
.p2p_opp_ps
= tmp
;
4535 if (params
.p2p_opp_ps
&&
4536 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4540 if (!rdev
->ops
->change_bss
)
4543 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4544 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4547 return rdev_change_bss(rdev
, dev
, ¶ms
);
4550 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4551 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4552 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4553 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4554 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4555 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4556 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4559 static int parse_reg_rule(struct nlattr
*tb
[],
4560 struct ieee80211_reg_rule
*reg_rule
)
4562 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4563 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4565 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4567 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4569 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4571 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4573 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4576 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4578 freq_range
->start_freq_khz
=
4579 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4580 freq_range
->end_freq_khz
=
4581 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4582 freq_range
->max_bandwidth_khz
=
4583 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4585 power_rule
->max_eirp
=
4586 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4588 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4589 power_rule
->max_antenna_gain
=
4590 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4595 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4599 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4602 * You should only get this when cfg80211 hasn't yet initialized
4603 * completely when built-in to the kernel right between the time
4604 * window between nl80211_init() and regulatory_init(), if that is
4607 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4608 return -EINPROGRESS
;
4610 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4613 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4615 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4616 user_reg_hint_type
=
4617 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4619 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4621 switch (user_reg_hint_type
) {
4622 case NL80211_USER_REG_HINT_USER
:
4623 case NL80211_USER_REG_HINT_CELL_BASE
:
4629 r
= regulatory_hint_user(data
, user_reg_hint_type
);
4634 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4635 struct genl_info
*info
)
4637 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4638 struct net_device
*dev
= info
->user_ptr
[1];
4639 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4640 struct mesh_config cur_params
;
4643 struct nlattr
*pinfoattr
;
4644 struct sk_buff
*msg
;
4646 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4649 if (!rdev
->ops
->get_mesh_config
)
4653 /* If not connected, get default parameters */
4654 if (!wdev
->mesh_id_len
)
4655 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4657 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4663 /* Draw up a netlink message to send back */
4664 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4667 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4668 NL80211_CMD_GET_MESH_CONFIG
);
4671 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4673 goto nla_put_failure
;
4674 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4675 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4676 cur_params
.dot11MeshRetryTimeout
) ||
4677 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4678 cur_params
.dot11MeshConfirmTimeout
) ||
4679 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4680 cur_params
.dot11MeshHoldingTimeout
) ||
4681 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4682 cur_params
.dot11MeshMaxPeerLinks
) ||
4683 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4684 cur_params
.dot11MeshMaxRetries
) ||
4685 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4686 cur_params
.dot11MeshTTL
) ||
4687 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4688 cur_params
.element_ttl
) ||
4689 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4690 cur_params
.auto_open_plinks
) ||
4691 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4692 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4693 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4694 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4695 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4696 cur_params
.path_refresh_time
) ||
4697 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4698 cur_params
.min_discovery_timeout
) ||
4699 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4700 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4701 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4702 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4703 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4704 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4705 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4706 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4707 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4708 cur_params
.dot11MeshHWMPRootMode
) ||
4709 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4710 cur_params
.dot11MeshHWMPRannInterval
) ||
4711 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4712 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4713 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4714 cur_params
.dot11MeshForwarding
) ||
4715 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4716 cur_params
.rssi_threshold
) ||
4717 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4718 cur_params
.ht_opmode
) ||
4719 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4720 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4721 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4722 cur_params
.dot11MeshHWMProotInterval
) ||
4723 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4724 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4725 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4726 cur_params
.power_mode
) ||
4727 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4728 cur_params
.dot11MeshAwakeWindowDuration
) ||
4729 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4730 cur_params
.plink_timeout
))
4731 goto nla_put_failure
;
4732 nla_nest_end(msg
, pinfoattr
);
4733 genlmsg_end(msg
, hdr
);
4734 return genlmsg_reply(msg
, info
);
4737 genlmsg_cancel(msg
, hdr
);
4743 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4744 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4745 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4746 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4747 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4748 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4749 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4750 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4751 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4752 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4753 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4754 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4755 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4756 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4757 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4758 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4759 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4760 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4761 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4762 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4763 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4764 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4765 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4766 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4767 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4768 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4769 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4770 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4771 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4774 static const struct nla_policy
4775 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4776 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4777 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4778 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4779 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4780 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4781 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4782 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4783 .len
= IEEE80211_MAX_DATA_LEN
},
4784 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4787 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4788 struct mesh_config
*cfg
,
4791 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4794 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4797 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4799 cfg->param = fn(tb[attr]); \
4800 mask |= (1 << (attr - 1)); \
4805 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4807 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4808 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4809 nl80211_meshconf_params_policy
))
4812 /* This makes sure that there aren't more than 32 mesh config
4813 * parameters (otherwise our bitfield scheme would not work.) */
4814 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4816 /* Fill in the params struct */
4817 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4818 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4820 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4821 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4823 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4824 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4826 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4827 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4829 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4830 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4832 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4833 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4834 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4835 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4837 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4838 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4840 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4842 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4844 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4845 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4847 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4848 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4850 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4851 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4853 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4855 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4857 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4859 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4861 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4863 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4865 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4866 dot11MeshHWMPnetDiameterTraversalTime
,
4868 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4870 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4871 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4873 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4874 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4876 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4877 dot11MeshGateAnnouncementProtocol
, 0, 1,
4878 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4880 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4881 mask
, NL80211_MESHCONF_FORWARDING
,
4883 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4884 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4886 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
4887 mask
, NL80211_MESHCONF_HT_OPMODE
,
4889 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
4891 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4893 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
4894 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4896 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4897 dot11MeshHWMPconfirmationInterval
,
4899 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4901 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
4902 NL80211_MESH_POWER_ACTIVE
,
4903 NL80211_MESH_POWER_MAX
,
4904 mask
, NL80211_MESHCONF_POWER_MODE
,
4906 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
4908 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
4909 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
4910 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4917 #undef FILL_IN_MESH_PARAM_IF_SET
4920 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
4921 struct mesh_setup
*setup
)
4923 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4924 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
4926 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
4928 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
4929 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
4930 nl80211_mesh_setup_params_policy
))
4933 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
4934 setup
->sync_method
=
4935 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
4936 IEEE80211_SYNC_METHOD_VENDOR
:
4937 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
4939 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
4940 setup
->path_sel_proto
=
4941 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
4942 IEEE80211_PATH_PROTOCOL_VENDOR
:
4943 IEEE80211_PATH_PROTOCOL_HWMP
;
4945 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
4946 setup
->path_metric
=
4947 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
4948 IEEE80211_PATH_METRIC_VENDOR
:
4949 IEEE80211_PATH_METRIC_AIRTIME
;
4952 if (tb
[NL80211_MESH_SETUP_IE
]) {
4953 struct nlattr
*ieattr
=
4954 tb
[NL80211_MESH_SETUP_IE
];
4955 if (!is_valid_ie_attr(ieattr
))
4957 setup
->ie
= nla_data(ieattr
);
4958 setup
->ie_len
= nla_len(ieattr
);
4960 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
4961 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
4963 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
4964 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
4965 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
4966 if (setup
->is_secure
)
4967 setup
->user_mpm
= true;
4969 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
4970 if (!setup
->user_mpm
)
4973 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
4979 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
4980 struct genl_info
*info
)
4982 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4983 struct net_device
*dev
= info
->user_ptr
[1];
4984 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4985 struct mesh_config cfg
;
4989 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4992 if (!rdev
->ops
->update_mesh_config
)
4995 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5000 if (!wdev
->mesh_id_len
)
5004 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5011 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5013 const struct ieee80211_regdomain
*regdom
;
5014 struct sk_buff
*msg
;
5016 struct nlattr
*nl_reg_rules
;
5019 if (!cfg80211_regdomain
)
5022 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5026 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5027 NL80211_CMD_GET_REG
);
5031 if (reg_last_request_cell_base() &&
5032 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5033 NL80211_USER_REG_HINT_CELL_BASE
))
5034 goto nla_put_failure
;
5037 regdom
= rcu_dereference(cfg80211_regdomain
);
5039 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5040 (regdom
->dfs_region
&&
5041 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5042 goto nla_put_failure_rcu
;
5044 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5046 goto nla_put_failure_rcu
;
5048 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5049 struct nlattr
*nl_reg_rule
;
5050 const struct ieee80211_reg_rule
*reg_rule
;
5051 const struct ieee80211_freq_range
*freq_range
;
5052 const struct ieee80211_power_rule
*power_rule
;
5054 reg_rule
= ®dom
->reg_rules
[i
];
5055 freq_range
= ®_rule
->freq_range
;
5056 power_rule
= ®_rule
->power_rule
;
5058 nl_reg_rule
= nla_nest_start(msg
, i
);
5060 goto nla_put_failure_rcu
;
5062 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5064 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5065 freq_range
->start_freq_khz
) ||
5066 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5067 freq_range
->end_freq_khz
) ||
5068 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5069 freq_range
->max_bandwidth_khz
) ||
5070 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5071 power_rule
->max_antenna_gain
) ||
5072 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5073 power_rule
->max_eirp
))
5074 goto nla_put_failure_rcu
;
5076 nla_nest_end(msg
, nl_reg_rule
);
5080 nla_nest_end(msg
, nl_reg_rules
);
5082 genlmsg_end(msg
, hdr
);
5083 return genlmsg_reply(msg
, info
);
5085 nla_put_failure_rcu
:
5088 genlmsg_cancel(msg
, hdr
);
5094 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5096 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5097 struct nlattr
*nl_reg_rule
;
5098 char *alpha2
= NULL
;
5099 int rem_reg_rules
= 0, r
= 0;
5100 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5102 struct ieee80211_regdomain
*rd
= NULL
;
5104 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5107 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5110 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5112 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5113 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5115 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5118 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5122 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5123 num_rules
* sizeof(struct ieee80211_reg_rule
);
5125 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5129 rd
->n_reg_rules
= num_rules
;
5130 rd
->alpha2
[0] = alpha2
[0];
5131 rd
->alpha2
[1] = alpha2
[1];
5134 * Disable DFS master mode if the DFS region was
5135 * not supported or known on this kernel.
5137 if (reg_supported_dfs_region(dfs_region
))
5138 rd
->dfs_region
= dfs_region
;
5140 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5142 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5143 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5145 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5151 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5158 /* set_regdom took ownership */
5166 static int validate_scan_freqs(struct nlattr
*freqs
)
5168 struct nlattr
*attr1
, *attr2
;
5169 int n_channels
= 0, tmp1
, tmp2
;
5171 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5174 * Some hardware has a limited channel list for
5175 * scanning, and it is pretty much nonsensical
5176 * to scan for a channel twice, so disallow that
5177 * and don't require drivers to check that the
5178 * channel list they get isn't longer than what
5179 * they can scan, as long as they can scan all
5180 * the channels they registered at once.
5182 nla_for_each_nested(attr2
, freqs
, tmp2
)
5183 if (attr1
!= attr2
&&
5184 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5191 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5193 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5194 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5195 struct cfg80211_scan_request
*request
;
5196 struct nlattr
*attr
;
5197 struct wiphy
*wiphy
;
5198 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5201 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5204 wiphy
= &rdev
->wiphy
;
5206 if (!rdev
->ops
->scan
)
5209 if (rdev
->scan_req
) {
5214 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5215 n_channels
= validate_scan_freqs(
5216 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5222 enum ieee80211_band band
;
5225 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
5226 if (wiphy
->bands
[band
])
5227 n_channels
+= wiphy
->bands
[band
]->n_channels
;
5230 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5231 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5234 if (n_ssids
> wiphy
->max_scan_ssids
) {
5239 if (info
->attrs
[NL80211_ATTR_IE
])
5240 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5244 if (ie_len
> wiphy
->max_scan_ie_len
) {
5249 request
= kzalloc(sizeof(*request
)
5250 + sizeof(*request
->ssids
) * n_ssids
5251 + sizeof(*request
->channels
) * n_channels
5252 + ie_len
, GFP_KERNEL
);
5259 request
->ssids
= (void *)&request
->channels
[n_channels
];
5260 request
->n_ssids
= n_ssids
;
5263 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5265 request
->ie
= (void *)(request
->channels
+ n_channels
);
5269 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5270 /* user specified, bail out if channel not found */
5271 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5272 struct ieee80211_channel
*chan
;
5274 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5281 /* ignore disabled channels */
5282 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5285 request
->channels
[i
] = chan
;
5289 enum ieee80211_band band
;
5292 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5294 if (!wiphy
->bands
[band
])
5296 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5297 struct ieee80211_channel
*chan
;
5299 chan
= &wiphy
->bands
[band
]->channels
[j
];
5301 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5304 request
->channels
[i
] = chan
;
5315 request
->n_channels
= i
;
5318 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5319 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5320 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5324 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5325 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5330 if (info
->attrs
[NL80211_ATTR_IE
]) {
5331 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5332 memcpy((void *)request
->ie
,
5333 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5337 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5338 if (wiphy
->bands
[i
])
5340 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5342 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5343 nla_for_each_nested(attr
,
5344 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5346 enum ieee80211_band band
= nla_type(attr
);
5348 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5353 if (!wiphy
->bands
[band
])
5356 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5359 &request
->rates
[band
]);
5365 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5366 request
->flags
= nla_get_u32(
5367 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5368 if (((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5369 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) ||
5370 ((request
->flags
& NL80211_SCAN_FLAG_FLUSH
) &&
5371 !(wiphy
->features
& NL80211_FEATURE_SCAN_FLUSH
))) {
5378 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5380 request
->wdev
= wdev
;
5381 request
->wiphy
= &rdev
->wiphy
;
5382 request
->scan_start
= jiffies
;
5384 rdev
->scan_req
= request
;
5385 err
= rdev_scan(rdev
, request
);
5388 nl80211_send_scan_start(rdev
, wdev
);
5390 dev_hold(wdev
->netdev
);
5393 rdev
->scan_req
= NULL
;
5401 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5402 struct genl_info
*info
)
5404 struct cfg80211_sched_scan_request
*request
;
5405 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5406 struct net_device
*dev
= info
->user_ptr
[1];
5407 struct nlattr
*attr
;
5408 struct wiphy
*wiphy
;
5409 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5411 enum ieee80211_band band
;
5413 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5415 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5416 !rdev
->ops
->sched_scan_start
)
5419 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5422 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5425 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5429 wiphy
= &rdev
->wiphy
;
5431 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5432 n_channels
= validate_scan_freqs(
5433 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5439 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
5440 if (wiphy
->bands
[band
])
5441 n_channels
+= wiphy
->bands
[band
]->n_channels
;
5444 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5445 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5449 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5452 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
5453 nla_for_each_nested(attr
,
5454 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5458 if (n_match_sets
> wiphy
->max_match_sets
)
5461 if (info
->attrs
[NL80211_ATTR_IE
])
5462 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5466 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5469 if (rdev
->sched_scan_req
) {
5474 request
= kzalloc(sizeof(*request
)
5475 + sizeof(*request
->ssids
) * n_ssids
5476 + sizeof(*request
->match_sets
) * n_match_sets
5477 + sizeof(*request
->channels
) * n_channels
5478 + ie_len
, GFP_KERNEL
);
5485 request
->ssids
= (void *)&request
->channels
[n_channels
];
5486 request
->n_ssids
= n_ssids
;
5489 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5491 request
->ie
= (void *)(request
->channels
+ n_channels
);
5496 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5497 else if (request
->ssids
)
5498 request
->match_sets
=
5499 (void *)(request
->ssids
+ n_ssids
);
5501 request
->match_sets
=
5502 (void *)(request
->channels
+ n_channels
);
5504 request
->n_match_sets
= n_match_sets
;
5507 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5508 /* user specified, bail out if channel not found */
5509 nla_for_each_nested(attr
,
5510 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5512 struct ieee80211_channel
*chan
;
5514 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5521 /* ignore disabled channels */
5522 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5525 request
->channels
[i
] = chan
;
5530 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5532 if (!wiphy
->bands
[band
])
5534 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5535 struct ieee80211_channel
*chan
;
5537 chan
= &wiphy
->bands
[band
]->channels
[j
];
5539 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5542 request
->channels
[i
] = chan
;
5553 request
->n_channels
= i
;
5556 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5557 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5559 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5563 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5564 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5571 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5572 nla_for_each_nested(attr
,
5573 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5575 struct nlattr
*ssid
, *rssi
;
5577 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5578 nla_data(attr
), nla_len(attr
),
5579 nl80211_match_policy
);
5580 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5582 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5586 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5587 nla_data(ssid
), nla_len(ssid
));
5588 request
->match_sets
[i
].ssid
.ssid_len
=
5591 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5593 request
->rssi_thold
= nla_get_u32(rssi
);
5595 request
->rssi_thold
=
5596 NL80211_SCAN_RSSI_THOLD_OFF
;
5601 if (info
->attrs
[NL80211_ATTR_IE
]) {
5602 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5603 memcpy((void *)request
->ie
,
5604 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5608 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5609 request
->flags
= nla_get_u32(
5610 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5611 if (((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5612 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) ||
5613 ((request
->flags
& NL80211_SCAN_FLAG_FLUSH
) &&
5614 !(wiphy
->features
& NL80211_FEATURE_SCAN_FLUSH
))) {
5621 request
->wiphy
= &rdev
->wiphy
;
5622 request
->interval
= interval
;
5623 request
->scan_start
= jiffies
;
5625 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5627 rdev
->sched_scan_req
= request
;
5628 nl80211_send_sched_scan(rdev
, dev
,
5629 NL80211_CMD_START_SCHED_SCAN
);
5639 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5640 struct genl_info
*info
)
5642 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5644 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5645 !rdev
->ops
->sched_scan_stop
)
5648 return __cfg80211_stop_sched_scan(rdev
, false);
5651 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5652 struct genl_info
*info
)
5654 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5655 struct net_device
*dev
= info
->user_ptr
[1];
5656 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5657 struct cfg80211_chan_def chandef
;
5660 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5664 if (netif_carrier_ok(dev
))
5667 if (wdev
->cac_started
)
5670 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
);
5677 if (chandef
.chan
->dfs_state
!= NL80211_DFS_USABLE
)
5680 if (!rdev
->ops
->start_radar_detection
)
5683 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5684 chandef
.chan
, CHAN_MODE_SHARED
,
5685 BIT(chandef
.width
));
5689 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
);
5691 wdev
->channel
= chandef
.chan
;
5692 wdev
->cac_started
= true;
5693 wdev
->cac_start_time
= jiffies
;
5698 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5700 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5701 struct net_device
*dev
= info
->user_ptr
[1];
5702 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5703 struct cfg80211_csa_settings params
;
5704 /* csa_attrs is defined static to avoid waste of stack size - this
5705 * function is called under RTNL lock, so this should not be a problem.
5707 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5708 u8 radar_detect_width
= 0;
5710 bool need_new_beacon
= false;
5712 if (!rdev
->ops
->channel_switch
||
5713 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5716 switch (dev
->ieee80211_ptr
->iftype
) {
5717 case NL80211_IFTYPE_AP
:
5718 case NL80211_IFTYPE_P2P_GO
:
5719 need_new_beacon
= true;
5721 /* useless if AP is not running */
5722 if (!wdev
->beacon_interval
)
5725 case NL80211_IFTYPE_ADHOC
:
5726 case NL80211_IFTYPE_MESH_POINT
:
5732 memset(¶ms
, 0, sizeof(params
));
5734 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5735 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5738 /* only important for AP, IBSS and mesh create IEs internally */
5739 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5742 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5744 if (!need_new_beacon
)
5747 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5751 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5752 info
->attrs
[NL80211_ATTR_CSA_IES
],
5757 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5761 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5764 params
.counter_offset_beacon
=
5765 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5766 if (params
.counter_offset_beacon
>= params
.beacon_csa
.tail_len
)
5769 /* sanity check - counters should be the same */
5770 if (params
.beacon_csa
.tail
[params
.counter_offset_beacon
] !=
5774 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5775 params
.counter_offset_presp
=
5776 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5777 if (params
.counter_offset_presp
>=
5778 params
.beacon_csa
.probe_resp_len
)
5781 if (params
.beacon_csa
.probe_resp
[params
.counter_offset_presp
] !=
5787 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
5791 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
5794 if (dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_AP
||
5795 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
||
5796 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_ADHOC
) {
5797 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
5802 radar_detect_width
= BIT(params
.chandef
.width
);
5803 params
.radar_required
= true;
5807 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5808 params
.chandef
.chan
,
5810 radar_detect_width
);
5814 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
5815 params
.block_tx
= true;
5817 return rdev_channel_switch(rdev
, dev
, ¶ms
);
5820 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5822 struct cfg80211_registered_device
*rdev
,
5823 struct wireless_dev
*wdev
,
5824 struct cfg80211_internal_bss
*intbss
)
5826 struct cfg80211_bss
*res
= &intbss
->pub
;
5827 const struct cfg80211_bss_ies
*ies
;
5832 ASSERT_WDEV_LOCK(wdev
);
5834 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5835 NL80211_CMD_NEW_SCAN_RESULTS
);
5839 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5841 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
5842 goto nla_put_failure
;
5844 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
5845 goto nla_put_failure
;
5846 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
5847 goto nla_put_failure
;
5849 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
5851 goto nla_put_failure
;
5852 if ((!is_zero_ether_addr(res
->bssid
) &&
5853 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
5854 goto nla_put_failure
;
5857 ies
= rcu_dereference(res
->ies
);
5859 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5860 goto fail_unlock_rcu
;
5862 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
5863 ies
->len
, ies
->data
))
5864 goto fail_unlock_rcu
;
5866 ies
= rcu_dereference(res
->beacon_ies
);
5868 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5869 goto fail_unlock_rcu
;
5870 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
5871 ies
->len
, ies
->data
))
5872 goto fail_unlock_rcu
;
5876 if (res
->beacon_interval
&&
5877 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
5878 goto nla_put_failure
;
5879 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
5880 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
5881 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
5882 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
5883 jiffies_to_msecs(jiffies
- intbss
->ts
)))
5884 goto nla_put_failure
;
5886 switch (rdev
->wiphy
.signal_type
) {
5887 case CFG80211_SIGNAL_TYPE_MBM
:
5888 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
5889 goto nla_put_failure
;
5891 case CFG80211_SIGNAL_TYPE_UNSPEC
:
5892 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
5893 goto nla_put_failure
;
5899 switch (wdev
->iftype
) {
5900 case NL80211_IFTYPE_P2P_CLIENT
:
5901 case NL80211_IFTYPE_STATION
:
5902 if (intbss
== wdev
->current_bss
&&
5903 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5904 NL80211_BSS_STATUS_ASSOCIATED
))
5905 goto nla_put_failure
;
5907 case NL80211_IFTYPE_ADHOC
:
5908 if (intbss
== wdev
->current_bss
&&
5909 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5910 NL80211_BSS_STATUS_IBSS_JOINED
))
5911 goto nla_put_failure
;
5917 nla_nest_end(msg
, bss
);
5919 return genlmsg_end(msg
, hdr
);
5924 genlmsg_cancel(msg
, hdr
);
5928 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
5930 struct cfg80211_registered_device
*rdev
;
5931 struct cfg80211_internal_bss
*scan
;
5932 struct wireless_dev
*wdev
;
5933 int start
= cb
->args
[2], idx
= 0;
5936 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5941 spin_lock_bh(&rdev
->bss_lock
);
5942 cfg80211_bss_expire(rdev
);
5944 cb
->seq
= rdev
->bss_generation
;
5946 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
5949 if (nl80211_send_bss(skb
, cb
,
5950 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5951 rdev
, wdev
, scan
) < 0) {
5957 spin_unlock_bh(&rdev
->bss_lock
);
5961 nl80211_finish_wdev_dump(rdev
);
5966 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5967 int flags
, struct net_device
*dev
,
5968 struct survey_info
*survey
)
5971 struct nlattr
*infoattr
;
5973 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
5974 NL80211_CMD_NEW_SURVEY_RESULTS
);
5978 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
5979 goto nla_put_failure
;
5981 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
5983 goto nla_put_failure
;
5985 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
5986 survey
->channel
->center_freq
))
5987 goto nla_put_failure
;
5989 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
5990 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
5991 goto nla_put_failure
;
5992 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
5993 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
5994 goto nla_put_failure
;
5995 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
5996 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
5997 survey
->channel_time
))
5998 goto nla_put_failure
;
5999 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6000 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6001 survey
->channel_time_busy
))
6002 goto nla_put_failure
;
6003 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6004 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6005 survey
->channel_time_ext_busy
))
6006 goto nla_put_failure
;
6007 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6008 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6009 survey
->channel_time_rx
))
6010 goto nla_put_failure
;
6011 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6012 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6013 survey
->channel_time_tx
))
6014 goto nla_put_failure
;
6016 nla_nest_end(msg
, infoattr
);
6018 return genlmsg_end(msg
, hdr
);
6021 genlmsg_cancel(msg
, hdr
);
6025 static int nl80211_dump_survey(struct sk_buff
*skb
,
6026 struct netlink_callback
*cb
)
6028 struct survey_info survey
;
6029 struct cfg80211_registered_device
*dev
;
6030 struct wireless_dev
*wdev
;
6031 int survey_idx
= cb
->args
[2];
6034 res
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
6038 if (!wdev
->netdev
) {
6043 if (!dev
->ops
->dump_survey
) {
6049 struct ieee80211_channel
*chan
;
6051 res
= rdev_dump_survey(dev
, wdev
->netdev
, survey_idx
, &survey
);
6057 /* Survey without a channel doesn't make sense */
6058 if (!survey
.channel
) {
6063 chan
= ieee80211_get_channel(&dev
->wiphy
,
6064 survey
.channel
->center_freq
);
6065 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6070 if (nl80211_send_survey(skb
,
6071 NETLINK_CB(cb
->skb
).portid
,
6072 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6073 wdev
->netdev
, &survey
) < 0)
6079 cb
->args
[2] = survey_idx
;
6082 nl80211_finish_wdev_dump(dev
);
6086 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6088 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6089 NL80211_WPA_VERSION_2
));
6092 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6094 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6095 struct net_device
*dev
= info
->user_ptr
[1];
6096 struct ieee80211_channel
*chan
;
6097 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6098 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6099 enum nl80211_auth_type auth_type
;
6100 struct key_parse key
;
6101 bool local_state_change
;
6103 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6106 if (!info
->attrs
[NL80211_ATTR_MAC
])
6109 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6112 if (!info
->attrs
[NL80211_ATTR_SSID
])
6115 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6118 err
= nl80211_parse_key(info
, &key
);
6123 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6125 if (!key
.p
.key
|| !key
.p
.key_len
)
6127 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6128 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6129 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6130 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6142 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6143 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6152 if (!rdev
->ops
->auth
)
6155 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6156 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6159 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6160 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6161 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6162 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6165 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6166 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6168 if (info
->attrs
[NL80211_ATTR_IE
]) {
6169 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6170 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6173 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6174 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6177 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6178 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6181 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6182 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6184 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6185 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6186 /* need to include at least Auth Transaction and Status Code */
6187 if (sae_data_len
< 4)
6191 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6194 * Since we no longer track auth state, ignore
6195 * requests to only change local state.
6197 if (local_state_change
)
6200 wdev_lock(dev
->ieee80211_ptr
);
6201 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6202 ssid
, ssid_len
, ie
, ie_len
,
6203 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6204 sae_data
, sae_data_len
);
6205 wdev_unlock(dev
->ieee80211_ptr
);
6209 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6210 struct genl_info
*info
,
6211 struct cfg80211_crypto_settings
*settings
,
6214 memset(settings
, 0, sizeof(*settings
));
6216 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6218 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6220 proto
= nla_get_u16(
6221 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6222 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6223 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6226 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6227 settings
->control_port_no_encrypt
= true;
6229 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6231 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6235 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6236 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6237 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6239 if (len
% sizeof(u32
))
6242 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6245 memcpy(settings
->ciphers_pairwise
, data
, len
);
6247 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6248 if (!cfg80211_supported_cipher_suite(
6250 settings
->ciphers_pairwise
[i
]))
6254 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6255 settings
->cipher_group
=
6256 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6257 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6258 settings
->cipher_group
))
6262 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6263 settings
->wpa_versions
=
6264 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6265 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6269 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6273 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6274 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6275 settings
->n_akm_suites
= len
/ sizeof(u32
);
6277 if (len
% sizeof(u32
))
6280 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6283 memcpy(settings
->akm_suites
, data
, len
);
6289 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6291 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6292 struct net_device
*dev
= info
->user_ptr
[1];
6293 struct ieee80211_channel
*chan
;
6294 struct cfg80211_assoc_request req
= {};
6295 const u8
*bssid
, *ssid
;
6296 int err
, ssid_len
= 0;
6298 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6301 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6302 !info
->attrs
[NL80211_ATTR_SSID
] ||
6303 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6306 if (!rdev
->ops
->assoc
)
6309 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6310 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6313 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6315 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6316 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6317 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6320 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6321 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6323 if (info
->attrs
[NL80211_ATTR_IE
]) {
6324 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6325 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6328 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6329 enum nl80211_mfp mfp
=
6330 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6331 if (mfp
== NL80211_MFP_REQUIRED
)
6333 else if (mfp
!= NL80211_MFP_NO
)
6337 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6338 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6340 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6341 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6343 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6344 memcpy(&req
.ht_capa_mask
,
6345 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6346 sizeof(req
.ht_capa_mask
));
6348 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6349 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6351 memcpy(&req
.ht_capa
,
6352 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6353 sizeof(req
.ht_capa
));
6356 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6357 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6359 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6360 memcpy(&req
.vht_capa_mask
,
6361 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6362 sizeof(req
.vht_capa_mask
));
6364 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6365 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6367 memcpy(&req
.vht_capa
,
6368 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6369 sizeof(req
.vht_capa
));
6372 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6374 wdev_lock(dev
->ieee80211_ptr
);
6375 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6376 ssid
, ssid_len
, &req
);
6377 wdev_unlock(dev
->ieee80211_ptr
);
6383 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6385 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6386 struct net_device
*dev
= info
->user_ptr
[1];
6387 const u8
*ie
= NULL
, *bssid
;
6388 int ie_len
= 0, err
;
6390 bool local_state_change
;
6392 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6395 if (!info
->attrs
[NL80211_ATTR_MAC
])
6398 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6401 if (!rdev
->ops
->deauth
)
6404 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6405 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6408 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6410 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6411 if (reason_code
== 0) {
6412 /* Reason Code 0 is reserved */
6416 if (info
->attrs
[NL80211_ATTR_IE
]) {
6417 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6418 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6421 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6423 wdev_lock(dev
->ieee80211_ptr
);
6424 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6425 local_state_change
);
6426 wdev_unlock(dev
->ieee80211_ptr
);
6430 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6432 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6433 struct net_device
*dev
= info
->user_ptr
[1];
6434 const u8
*ie
= NULL
, *bssid
;
6435 int ie_len
= 0, err
;
6437 bool local_state_change
;
6439 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6442 if (!info
->attrs
[NL80211_ATTR_MAC
])
6445 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6448 if (!rdev
->ops
->disassoc
)
6451 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6452 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6455 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6457 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6458 if (reason_code
== 0) {
6459 /* Reason Code 0 is reserved */
6463 if (info
->attrs
[NL80211_ATTR_IE
]) {
6464 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6465 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6468 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6470 wdev_lock(dev
->ieee80211_ptr
);
6471 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6472 local_state_change
);
6473 wdev_unlock(dev
->ieee80211_ptr
);
6478 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6479 int mcast_rate
[IEEE80211_NUM_BANDS
],
6482 struct wiphy
*wiphy
= &rdev
->wiphy
;
6486 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6487 struct ieee80211_supported_band
*sband
;
6489 sband
= wiphy
->bands
[band
];
6493 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6494 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6495 mcast_rate
[band
] = i
+ 1;
6505 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6507 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6508 struct net_device
*dev
= info
->user_ptr
[1];
6509 struct cfg80211_ibss_params ibss
;
6510 struct wiphy
*wiphy
;
6511 struct cfg80211_cached_keys
*connkeys
= NULL
;
6514 memset(&ibss
, 0, sizeof(ibss
));
6516 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6519 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6520 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6523 ibss
.beacon_interval
= 100;
6525 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6526 ibss
.beacon_interval
=
6527 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6528 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6532 if (!rdev
->ops
->join_ibss
)
6535 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6538 wiphy
= &rdev
->wiphy
;
6540 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6541 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6543 if (!is_valid_ether_addr(ibss
.bssid
))
6546 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6547 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6549 if (info
->attrs
[NL80211_ATTR_IE
]) {
6550 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6551 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6554 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6558 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
))
6561 switch (ibss
.chandef
.width
) {
6562 case NL80211_CHAN_WIDTH_5
:
6563 case NL80211_CHAN_WIDTH_10
:
6564 case NL80211_CHAN_WIDTH_20_NOHT
:
6566 case NL80211_CHAN_WIDTH_20
:
6567 case NL80211_CHAN_WIDTH_40
:
6568 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6574 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6575 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6577 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6579 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6581 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6582 struct ieee80211_supported_band
*sband
=
6583 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6585 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6591 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6592 memcpy(&ibss
.ht_capa_mask
,
6593 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6594 sizeof(ibss
.ht_capa_mask
));
6596 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6597 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6599 memcpy(&ibss
.ht_capa
,
6600 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6601 sizeof(ibss
.ht_capa
));
6604 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6605 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6606 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6609 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6612 connkeys
= nl80211_parse_connkeys(rdev
,
6613 info
->attrs
[NL80211_ATTR_KEYS
],
6615 if (IS_ERR(connkeys
))
6616 return PTR_ERR(connkeys
);
6618 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6626 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6628 ibss
.userspace_handles_dfs
=
6629 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6631 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6637 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6639 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6640 struct net_device
*dev
= info
->user_ptr
[1];
6642 if (!rdev
->ops
->leave_ibss
)
6645 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6648 return cfg80211_leave_ibss(rdev
, dev
, false);
6651 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6653 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6654 struct net_device
*dev
= info
->user_ptr
[1];
6655 int mcast_rate
[IEEE80211_NUM_BANDS
];
6659 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6660 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6663 if (!rdev
->ops
->set_mcast_rate
)
6666 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6668 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6671 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6672 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6675 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6681 #ifdef CONFIG_NL80211_TESTMODE
6682 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6684 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6685 struct wireless_dev
*wdev
=
6686 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
6689 if (!rdev
->ops
->testmode_cmd
)
6693 err
= PTR_ERR(wdev
);
6697 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
6701 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
6704 rdev
->testmode_info
= info
;
6705 err
= rdev_testmode_cmd(rdev
, wdev
,
6706 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
6707 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
6708 rdev
->testmode_info
= NULL
;
6713 static int nl80211_testmode_dump(struct sk_buff
*skb
,
6714 struct netlink_callback
*cb
)
6716 struct cfg80211_registered_device
*rdev
;
6726 * 0 is a valid index, but not valid for args[0],
6727 * so we need to offset by 1.
6729 phy_idx
= cb
->args
[0] - 1;
6731 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
6732 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
6737 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
6738 nl80211_fam
.attrbuf
);
6740 err
= PTR_ERR(rdev
);
6743 phy_idx
= rdev
->wiphy_idx
;
6746 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
6748 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
6752 data
= nla_data((void *)cb
->args
[1]);
6753 data_len
= nla_len((void *)cb
->args
[1]);
6756 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
6762 if (!rdev
->ops
->testmode_dump
) {
6768 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
6769 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6770 NL80211_CMD_TESTMODE
);
6771 struct nlattr
*tmdata
;
6776 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
6777 genlmsg_cancel(skb
, hdr
);
6781 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6783 genlmsg_cancel(skb
, hdr
);
6786 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
6787 nla_nest_end(skb
, tmdata
);
6789 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
6790 genlmsg_cancel(skb
, hdr
);
6793 genlmsg_cancel(skb
, hdr
);
6797 genlmsg_end(skb
, hdr
);
6802 cb
->args
[0] = phy_idx
+ 1;
6808 static struct sk_buff
*
6809 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
6810 int approxlen
, u32 portid
, u32 seq
, gfp_t gfp
)
6812 struct sk_buff
*skb
;
6814 struct nlattr
*data
;
6816 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6820 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, NL80211_CMD_TESTMODE
);
6826 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6827 goto nla_put_failure
;
6828 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6830 ((void **)skb
->cb
)[0] = rdev
;
6831 ((void **)skb
->cb
)[1] = hdr
;
6832 ((void **)skb
->cb
)[2] = data
;
6841 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
6844 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6846 if (WARN_ON(!rdev
->testmode_info
))
6849 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
6850 rdev
->testmode_info
->snd_portid
,
6851 rdev
->testmode_info
->snd_seq
,
6854 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
6856 int cfg80211_testmode_reply(struct sk_buff
*skb
)
6858 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6859 void *hdr
= ((void **)skb
->cb
)[1];
6860 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6862 if (WARN_ON(!rdev
->testmode_info
)) {
6867 nla_nest_end(skb
, data
);
6868 genlmsg_end(skb
, hdr
);
6869 return genlmsg_reply(skb
, rdev
->testmode_info
);
6871 EXPORT_SYMBOL(cfg80211_testmode_reply
);
6873 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
6874 int approxlen
, gfp_t gfp
)
6876 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6878 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
6880 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
6882 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
6884 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6885 void *hdr
= ((void **)skb
->cb
)[1];
6886 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6888 nla_nest_end(skb
, data
);
6889 genlmsg_end(skb
, hdr
);
6890 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
6891 NL80211_MCGRP_TESTMODE
, gfp
);
6893 EXPORT_SYMBOL(cfg80211_testmode_event
);
6896 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
6898 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6899 struct net_device
*dev
= info
->user_ptr
[1];
6900 struct cfg80211_connect_params connect
;
6901 struct wiphy
*wiphy
;
6902 struct cfg80211_cached_keys
*connkeys
= NULL
;
6905 memset(&connect
, 0, sizeof(connect
));
6907 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6910 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6911 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6914 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
6916 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6917 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
6918 NL80211_CMD_CONNECT
))
6921 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
6923 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
6925 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
6926 NL80211_MAX_NR_CIPHER_SUITES
);
6930 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6931 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6934 wiphy
= &rdev
->wiphy
;
6936 connect
.bg_scan_period
= -1;
6937 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
6938 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
6939 connect
.bg_scan_period
=
6940 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
6943 if (info
->attrs
[NL80211_ATTR_MAC
])
6944 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6945 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6946 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6948 if (info
->attrs
[NL80211_ATTR_IE
]) {
6949 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6950 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6953 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6954 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6955 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
6956 connect
.mfp
!= NL80211_MFP_NO
)
6959 connect
.mfp
= NL80211_MFP_NO
;
6962 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
6964 ieee80211_get_channel(wiphy
,
6965 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6966 if (!connect
.channel
||
6967 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
6971 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6972 connkeys
= nl80211_parse_connkeys(rdev
,
6973 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
6974 if (IS_ERR(connkeys
))
6975 return PTR_ERR(connkeys
);
6978 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6979 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
6981 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6982 memcpy(&connect
.ht_capa_mask
,
6983 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6984 sizeof(connect
.ht_capa_mask
));
6986 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6987 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
6991 memcpy(&connect
.ht_capa
,
6992 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6993 sizeof(connect
.ht_capa
));
6996 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6997 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6999 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7000 memcpy(&connect
.vht_capa_mask
,
7001 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7002 sizeof(connect
.vht_capa_mask
));
7004 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7005 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7009 memcpy(&connect
.vht_capa
,
7010 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7011 sizeof(connect
.vht_capa
));
7014 wdev_lock(dev
->ieee80211_ptr
);
7015 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7016 wdev_unlock(dev
->ieee80211_ptr
);
7022 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7024 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7025 struct net_device
*dev
= info
->user_ptr
[1];
7029 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7030 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7032 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7037 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7038 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7041 wdev_lock(dev
->ieee80211_ptr
);
7042 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7043 wdev_unlock(dev
->ieee80211_ptr
);
7047 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7049 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7054 if (!info
->attrs
[NL80211_ATTR_PID
])
7057 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7059 net
= get_net_ns_by_pid(pid
);
7061 return PTR_ERR(net
);
7065 /* check if anything to do */
7066 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7067 err
= cfg80211_switch_netns(rdev
, net
);
7073 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7075 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7076 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7077 struct cfg80211_pmksa
*pmksa
) = NULL
;
7078 struct net_device
*dev
= info
->user_ptr
[1];
7079 struct cfg80211_pmksa pmksa
;
7081 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7083 if (!info
->attrs
[NL80211_ATTR_MAC
])
7086 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7089 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7090 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7092 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7093 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7096 switch (info
->genlhdr
->cmd
) {
7097 case NL80211_CMD_SET_PMKSA
:
7098 rdev_ops
= rdev
->ops
->set_pmksa
;
7100 case NL80211_CMD_DEL_PMKSA
:
7101 rdev_ops
= rdev
->ops
->del_pmksa
;
7111 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7114 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7116 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7117 struct net_device
*dev
= info
->user_ptr
[1];
7119 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7120 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7123 if (!rdev
->ops
->flush_pmksa
)
7126 return rdev_flush_pmksa(rdev
, dev
);
7129 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7131 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7132 struct net_device
*dev
= info
->user_ptr
[1];
7133 u8 action_code
, dialog_token
;
7137 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7138 !rdev
->ops
->tdls_mgmt
)
7141 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7142 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7143 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7144 !info
->attrs
[NL80211_ATTR_IE
] ||
7145 !info
->attrs
[NL80211_ATTR_MAC
])
7148 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7149 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7150 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7151 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7153 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7154 dialog_token
, status_code
,
7155 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7156 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7159 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7161 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7162 struct net_device
*dev
= info
->user_ptr
[1];
7163 enum nl80211_tdls_operation operation
;
7166 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7167 !rdev
->ops
->tdls_oper
)
7170 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7171 !info
->attrs
[NL80211_ATTR_MAC
])
7174 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7175 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7177 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7180 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7181 struct genl_info
*info
)
7183 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7184 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7185 struct cfg80211_chan_def chandef
;
7186 struct sk_buff
*msg
;
7192 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7193 !info
->attrs
[NL80211_ATTR_DURATION
])
7196 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7198 if (!rdev
->ops
->remain_on_channel
||
7199 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7203 * We should be on that channel for at least a minimum amount of
7204 * time (10ms) but no longer than the driver supports.
7206 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7207 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7210 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7214 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7218 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7219 NL80211_CMD_REMAIN_ON_CHANNEL
);
7225 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7231 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7232 goto nla_put_failure
;
7234 genlmsg_end(msg
, hdr
);
7236 return genlmsg_reply(msg
, info
);
7245 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7246 struct genl_info
*info
)
7248 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7249 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7252 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7255 if (!rdev
->ops
->cancel_remain_on_channel
)
7258 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7260 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7263 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7264 u8
*rates
, u8 rates_len
)
7269 for (i
= 0; i
< rates_len
; i
++) {
7270 int rate
= (rates
[i
] & 0x7f) * 5;
7272 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7273 struct ieee80211_rate
*srate
=
7274 &sband
->bitrates
[ridx
];
7275 if (rate
== srate
->bitrate
) {
7280 if (ridx
== sband
->n_bitrates
)
7281 return 0; /* rate not found */
7287 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7288 u8
*rates
, u8 rates_len
,
7289 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7293 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7295 for (i
= 0; i
< rates_len
; i
++) {
7298 ridx
= rates
[i
] / 8;
7299 rbit
= BIT(rates
[i
] % 8);
7301 /* check validity */
7302 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7305 /* check availability */
7306 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7315 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7316 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7317 .len
= NL80211_MAX_SUPP_RATES
},
7318 [NL80211_TXRATE_MCS
] = { .type
= NLA_BINARY
,
7319 .len
= NL80211_MAX_SUPP_HT_RATES
},
7322 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7323 struct genl_info
*info
)
7325 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7326 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7327 struct cfg80211_bitrate_mask mask
;
7329 struct net_device
*dev
= info
->user_ptr
[1];
7330 struct nlattr
*tx_rates
;
7331 struct ieee80211_supported_band
*sband
;
7333 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
7336 if (!rdev
->ops
->set_bitrate_mask
)
7339 memset(&mask
, 0, sizeof(mask
));
7340 /* Default to all rates enabled */
7341 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7342 sband
= rdev
->wiphy
.bands
[i
];
7343 mask
.control
[i
].legacy
=
7344 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
7346 memcpy(mask
.control
[i
].mcs
,
7347 sband
->ht_cap
.mcs
.rx_mask
,
7348 sizeof(mask
.control
[i
].mcs
));
7350 memset(mask
.control
[i
].mcs
, 0,
7351 sizeof(mask
.control
[i
].mcs
));
7355 * The nested attribute uses enum nl80211_band as the index. This maps
7356 * directly to the enum ieee80211_band values used in cfg80211.
7358 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7359 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
7361 enum ieee80211_band band
= nla_type(tx_rates
);
7362 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7364 sband
= rdev
->wiphy
.bands
[band
];
7367 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7368 nla_len(tx_rates
), nl80211_txattr_policy
);
7369 if (tb
[NL80211_TXRATE_LEGACY
]) {
7370 mask
.control
[band
].legacy
= rateset_to_mask(
7372 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7373 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7374 if ((mask
.control
[band
].legacy
== 0) &&
7375 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7378 if (tb
[NL80211_TXRATE_MCS
]) {
7379 if (!ht_rateset_to_mask(
7381 nla_data(tb
[NL80211_TXRATE_MCS
]),
7382 nla_len(tb
[NL80211_TXRATE_MCS
]),
7383 mask
.control
[band
].mcs
))
7387 if (mask
.control
[band
].legacy
== 0) {
7388 /* don't allow empty legacy rates if HT
7389 * is not even supported. */
7390 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
7393 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7394 if (mask
.control
[band
].mcs
[i
])
7397 /* legacy and mcs rates may not be both empty */
7398 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
7403 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7406 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7408 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7409 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7410 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7412 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7415 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7416 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7418 switch (wdev
->iftype
) {
7419 case NL80211_IFTYPE_STATION
:
7420 case NL80211_IFTYPE_ADHOC
:
7421 case NL80211_IFTYPE_P2P_CLIENT
:
7422 case NL80211_IFTYPE_AP
:
7423 case NL80211_IFTYPE_AP_VLAN
:
7424 case NL80211_IFTYPE_MESH_POINT
:
7425 case NL80211_IFTYPE_P2P_GO
:
7426 case NL80211_IFTYPE_P2P_DEVICE
:
7432 /* not much point in registering if we can't reply */
7433 if (!rdev
->ops
->mgmt_tx
)
7436 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7437 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7438 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7441 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7443 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7444 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7445 struct cfg80211_chan_def chandef
;
7449 struct sk_buff
*msg
= NULL
;
7450 unsigned int wait
= 0;
7451 bool offchan
, no_cck
, dont_wait_for_ack
;
7453 dont_wait_for_ack
= info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
];
7455 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7458 if (!rdev
->ops
->mgmt_tx
)
7461 switch (wdev
->iftype
) {
7462 case NL80211_IFTYPE_P2P_DEVICE
:
7463 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7465 case NL80211_IFTYPE_STATION
:
7466 case NL80211_IFTYPE_ADHOC
:
7467 case NL80211_IFTYPE_P2P_CLIENT
:
7468 case NL80211_IFTYPE_AP
:
7469 case NL80211_IFTYPE_AP_VLAN
:
7470 case NL80211_IFTYPE_MESH_POINT
:
7471 case NL80211_IFTYPE_P2P_GO
:
7477 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7478 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7480 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7483 * We should wait on the channel for at least a minimum amount
7484 * of time (10ms) but no longer than the driver supports.
7486 if (wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7487 wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7492 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7494 if (offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7497 no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7499 /* get the channel if any has been specified, otherwise pass NULL to
7500 * the driver. The latter will use the current one
7502 chandef
.chan
= NULL
;
7503 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7504 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7509 if (!chandef
.chan
&& offchan
)
7512 if (!dont_wait_for_ack
) {
7513 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7517 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7525 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, chandef
.chan
, offchan
, wait
,
7526 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
7527 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
7528 no_cck
, dont_wait_for_ack
, &cookie
);
7533 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7534 goto nla_put_failure
;
7536 genlmsg_end(msg
, hdr
);
7537 return genlmsg_reply(msg
, info
);
7549 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7551 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7552 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7555 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7558 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7561 switch (wdev
->iftype
) {
7562 case NL80211_IFTYPE_STATION
:
7563 case NL80211_IFTYPE_ADHOC
:
7564 case NL80211_IFTYPE_P2P_CLIENT
:
7565 case NL80211_IFTYPE_AP
:
7566 case NL80211_IFTYPE_AP_VLAN
:
7567 case NL80211_IFTYPE_P2P_GO
:
7568 case NL80211_IFTYPE_P2P_DEVICE
:
7574 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7576 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7579 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7581 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7582 struct wireless_dev
*wdev
;
7583 struct net_device
*dev
= info
->user_ptr
[1];
7588 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7591 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7593 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7596 wdev
= dev
->ieee80211_ptr
;
7598 if (!rdev
->ops
->set_power_mgmt
)
7601 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7603 if (state
== wdev
->ps
)
7606 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7612 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7614 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7615 enum nl80211_ps_state ps_state
;
7616 struct wireless_dev
*wdev
;
7617 struct net_device
*dev
= info
->user_ptr
[1];
7618 struct sk_buff
*msg
;
7622 wdev
= dev
->ieee80211_ptr
;
7624 if (!rdev
->ops
->set_power_mgmt
)
7627 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7631 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7632 NL80211_CMD_GET_POWER_SAVE
);
7639 ps_state
= NL80211_PS_ENABLED
;
7641 ps_state
= NL80211_PS_DISABLED
;
7643 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7644 goto nla_put_failure
;
7646 genlmsg_end(msg
, hdr
);
7647 return genlmsg_reply(msg
, info
);
7656 static struct nla_policy
7657 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
7658 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
7659 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
7660 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
7661 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
7662 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
7663 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
7666 static int nl80211_set_cqm_txe(struct genl_info
*info
,
7667 u32 rate
, u32 pkts
, u32 intvl
)
7669 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7670 struct net_device
*dev
= info
->user_ptr
[1];
7671 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7673 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
7676 if (!rdev
->ops
->set_cqm_txe_config
)
7679 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7680 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7683 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
7686 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
7687 s32 threshold
, u32 hysteresis
)
7689 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7690 struct net_device
*dev
= info
->user_ptr
[1];
7691 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7696 /* disabling - hysteresis should also be zero then */
7700 if (!rdev
->ops
->set_cqm_rssi_config
)
7703 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7704 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7707 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
7710 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
7712 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
7716 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
7720 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
7721 nl80211_attr_cqm_policy
);
7725 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
7726 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
7727 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
7728 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
7730 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
7733 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
7734 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
7735 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
7736 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
7737 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
7738 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
7740 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
7746 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7748 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7749 struct net_device
*dev
= info
->user_ptr
[1];
7750 struct mesh_config cfg
;
7751 struct mesh_setup setup
;
7754 /* start with default */
7755 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
7756 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
7758 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
7759 /* and parse parameters if given */
7760 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
7765 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
7766 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
7769 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7770 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7772 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7773 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
7774 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7777 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7778 setup
.beacon_interval
=
7779 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7780 if (setup
.beacon_interval
< 10 ||
7781 setup
.beacon_interval
> 10000)
7785 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
7787 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
7788 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
7792 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
7793 /* parse additional setup parameters if given */
7794 err
= nl80211_parse_mesh_setup(info
, &setup
);
7800 cfg
.auto_open_plinks
= false;
7802 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7803 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
7807 /* cfg80211_join_mesh() will sort it out */
7808 setup
.chandef
.chan
= NULL
;
7811 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7812 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7814 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7815 struct ieee80211_supported_band
*sband
;
7817 if (!setup
.chandef
.chan
)
7820 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
7822 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7823 &setup
.basic_rates
);
7828 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
7831 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7833 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7834 struct net_device
*dev
= info
->user_ptr
[1];
7836 return cfg80211_leave_mesh(rdev
, dev
);
7840 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
7841 struct cfg80211_registered_device
*rdev
)
7843 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
7844 struct nlattr
*nl_pats
, *nl_pat
;
7847 if (!wowlan
->n_patterns
)
7850 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
7854 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
7855 nl_pat
= nla_nest_start(msg
, i
+ 1);
7858 pat_len
= wowlan
->patterns
[i
].pattern_len
;
7859 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
7860 wowlan
->patterns
[i
].mask
) ||
7861 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
7862 wowlan
->patterns
[i
].pattern
) ||
7863 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
7864 wowlan
->patterns
[i
].pkt_offset
))
7866 nla_nest_end(msg
, nl_pat
);
7868 nla_nest_end(msg
, nl_pats
);
7873 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
7874 struct cfg80211_wowlan_tcp
*tcp
)
7876 struct nlattr
*nl_tcp
;
7881 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
7885 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
7886 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
7887 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
7888 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
7889 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
7890 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
7891 tcp
->payload_len
, tcp
->payload
) ||
7892 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
7893 tcp
->data_interval
) ||
7894 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
7895 tcp
->wake_len
, tcp
->wake_data
) ||
7896 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
7897 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
7900 if (tcp
->payload_seq
.len
&&
7901 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
7902 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
7905 if (tcp
->payload_tok
.len
&&
7906 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
7907 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
7911 nla_nest_end(msg
, nl_tcp
);
7916 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
7918 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7919 struct sk_buff
*msg
;
7921 u32 size
= NLMSG_DEFAULT_SIZE
;
7923 if (!rdev
->wiphy
.wowlan
)
7926 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
7927 /* adjust size to have room for all the data */
7928 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
7929 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
7930 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
7931 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
7934 msg
= nlmsg_new(size
, GFP_KERNEL
);
7938 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7939 NL80211_CMD_GET_WOWLAN
);
7941 goto nla_put_failure
;
7943 if (rdev
->wiphy
.wowlan_config
) {
7944 struct nlattr
*nl_wowlan
;
7946 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
7948 goto nla_put_failure
;
7950 if ((rdev
->wiphy
.wowlan_config
->any
&&
7951 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
7952 (rdev
->wiphy
.wowlan_config
->disconnect
&&
7953 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
7954 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
7955 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
7956 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
7957 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
7958 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
7959 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
7960 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
7961 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
7962 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
7963 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
7964 goto nla_put_failure
;
7966 if (nl80211_send_wowlan_patterns(msg
, rdev
))
7967 goto nla_put_failure
;
7969 if (nl80211_send_wowlan_tcp(msg
,
7970 rdev
->wiphy
.wowlan_config
->tcp
))
7971 goto nla_put_failure
;
7973 nla_nest_end(msg
, nl_wowlan
);
7976 genlmsg_end(msg
, hdr
);
7977 return genlmsg_reply(msg
, info
);
7984 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
7985 struct nlattr
*attr
,
7986 struct cfg80211_wowlan
*trig
)
7988 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
7989 struct cfg80211_wowlan_tcp
*cfg
;
7990 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
7991 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
7993 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
7996 if (!rdev
->wiphy
.wowlan
->tcp
)
7999 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8000 nla_data(attr
), nla_len(attr
),
8001 nl80211_wowlan_tcp_policy
);
8005 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8006 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8007 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8008 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8009 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8010 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8011 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8012 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8015 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8016 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8019 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8020 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8021 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8024 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8025 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8028 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8029 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8032 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8033 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8035 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8036 tokens_size
= tokln
- sizeof(*tok
);
8038 if (!tok
->len
|| tokens_size
% tok
->len
)
8040 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8042 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8044 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8046 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8048 if (tok
->offset
+ tok
->len
> data_size
)
8052 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8053 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8054 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8056 if (seq
->len
== 0 || seq
->len
> 4)
8058 if (seq
->len
+ seq
->offset
> data_size
)
8062 size
= sizeof(*cfg
);
8064 size
+= wake_size
+ wake_mask_size
;
8065 size
+= tokens_size
;
8067 cfg
= kzalloc(size
, GFP_KERNEL
);
8070 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8071 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8072 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8074 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8075 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8079 /* allocate a socket and port for it and use it */
8080 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8081 IPPROTO_TCP
, &cfg
->sock
, 1);
8086 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8087 sock_release(cfg
->sock
);
8091 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8097 cfg
->src_port
= port
;
8100 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8101 cfg
->payload_len
= data_size
;
8102 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8103 memcpy((void *)cfg
->payload
,
8104 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8107 cfg
->payload_seq
= *seq
;
8108 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8109 cfg
->wake_len
= wake_size
;
8110 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8111 memcpy((void *)cfg
->wake_data
,
8112 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8114 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8115 data_size
+ wake_size
;
8116 memcpy((void *)cfg
->wake_mask
,
8117 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8120 cfg
->tokens_size
= tokens_size
;
8121 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8129 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8131 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8132 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8133 struct cfg80211_wowlan new_triggers
= {};
8134 struct cfg80211_wowlan
*ntrig
;
8135 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8137 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8142 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8143 cfg80211_rdev_free_wowlan(rdev
);
8144 rdev
->wiphy
.wowlan_config
= NULL
;
8148 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8149 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8150 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8151 nl80211_wowlan_policy
);
8155 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8156 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8158 new_triggers
.any
= true;
8161 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8162 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8164 new_triggers
.disconnect
= true;
8167 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8168 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8170 new_triggers
.magic_pkt
= true;
8173 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8176 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8177 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8179 new_triggers
.gtk_rekey_failure
= true;
8182 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8183 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8185 new_triggers
.eap_identity_req
= true;
8188 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8189 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8191 new_triggers
.four_way_handshake
= true;
8194 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8195 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8197 new_triggers
.rfkill_release
= true;
8200 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8203 int rem
, pat_len
, mask_len
, pkt_offset
;
8204 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8206 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8209 if (n_patterns
> wowlan
->n_patterns
)
8212 new_triggers
.patterns
= kcalloc(n_patterns
,
8213 sizeof(new_triggers
.patterns
[0]),
8215 if (!new_triggers
.patterns
)
8218 new_triggers
.n_patterns
= n_patterns
;
8221 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8223 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8224 nla_len(pat
), NULL
);
8226 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8227 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8229 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8230 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8231 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8233 if (pat_len
> wowlan
->pattern_max_len
||
8234 pat_len
< wowlan
->pattern_min_len
)
8237 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8240 pkt_offset
= nla_get_u32(
8241 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8242 if (pkt_offset
> wowlan
->max_pkt_offset
)
8244 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8246 new_triggers
.patterns
[i
].mask
=
8247 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8248 if (!new_triggers
.patterns
[i
].mask
) {
8252 new_triggers
.patterns
[i
].pattern
=
8253 new_triggers
.patterns
[i
].mask
+ mask_len
;
8254 memcpy(new_triggers
.patterns
[i
].mask
,
8255 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8257 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8258 memcpy(new_triggers
.patterns
[i
].pattern
,
8259 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8265 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8266 err
= nl80211_parse_wowlan_tcp(
8267 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8273 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8278 cfg80211_rdev_free_wowlan(rdev
);
8279 rdev
->wiphy
.wowlan_config
= ntrig
;
8282 if (rdev
->ops
->set_wakeup
&&
8283 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8284 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8288 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8289 kfree(new_triggers
.patterns
[i
].mask
);
8290 kfree(new_triggers
.patterns
);
8291 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8292 sock_release(new_triggers
.tcp
->sock
);
8293 kfree(new_triggers
.tcp
);
8298 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8299 struct cfg80211_registered_device
*rdev
)
8301 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8303 struct cfg80211_coalesce_rules
*rule
;
8305 if (!rdev
->coalesce
->n_rules
)
8308 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8312 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8313 nl_rule
= nla_nest_start(msg
, i
+ 1);
8317 rule
= &rdev
->coalesce
->rules
[i
];
8318 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8322 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8326 nl_pats
= nla_nest_start(msg
,
8327 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8331 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8332 nl_pat
= nla_nest_start(msg
, j
+ 1);
8335 pat_len
= rule
->patterns
[j
].pattern_len
;
8336 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8337 DIV_ROUND_UP(pat_len
, 8),
8338 rule
->patterns
[j
].mask
) ||
8339 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8340 rule
->patterns
[j
].pattern
) ||
8341 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8342 rule
->patterns
[j
].pkt_offset
))
8344 nla_nest_end(msg
, nl_pat
);
8346 nla_nest_end(msg
, nl_pats
);
8347 nla_nest_end(msg
, nl_rule
);
8349 nla_nest_end(msg
, nl_rules
);
8354 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8356 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8357 struct sk_buff
*msg
;
8360 if (!rdev
->wiphy
.coalesce
)
8363 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8367 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8368 NL80211_CMD_GET_COALESCE
);
8370 goto nla_put_failure
;
8372 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8373 goto nla_put_failure
;
8375 genlmsg_end(msg
, hdr
);
8376 return genlmsg_reply(msg
, info
);
8383 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8385 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8387 struct cfg80211_coalesce_rules
*rule
;
8392 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8393 rule
= &coalesce
->rules
[i
];
8394 for (j
= 0; j
< rule
->n_patterns
; j
++)
8395 kfree(rule
->patterns
[j
].mask
);
8396 kfree(rule
->patterns
);
8398 kfree(coalesce
->rules
);
8400 rdev
->coalesce
= NULL
;
8403 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8404 struct nlattr
*rule
,
8405 struct cfg80211_coalesce_rules
*new_rule
)
8408 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8409 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8410 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8411 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8413 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8414 nla_len(rule
), nl80211_coalesce_policy
);
8418 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8420 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8421 if (new_rule
->delay
> coalesce
->max_delay
)
8424 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8425 new_rule
->condition
=
8426 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8427 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8428 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8431 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8434 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8437 if (n_patterns
> coalesce
->n_patterns
)
8440 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8442 if (!new_rule
->patterns
)
8445 new_rule
->n_patterns
= n_patterns
;
8448 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8450 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8451 nla_len(pat
), NULL
);
8452 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8453 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8455 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8456 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8457 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8459 if (pat_len
> coalesce
->pattern_max_len
||
8460 pat_len
< coalesce
->pattern_min_len
)
8463 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8466 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8467 if (pkt_offset
> coalesce
->max_pkt_offset
)
8469 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8471 new_rule
->patterns
[i
].mask
=
8472 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8473 if (!new_rule
->patterns
[i
].mask
)
8475 new_rule
->patterns
[i
].pattern
=
8476 new_rule
->patterns
[i
].mask
+ mask_len
;
8477 memcpy(new_rule
->patterns
[i
].mask
,
8478 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]), mask_len
);
8479 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8480 memcpy(new_rule
->patterns
[i
].pattern
,
8481 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]), pat_len
);
8488 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8490 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8491 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8492 struct cfg80211_coalesce new_coalesce
= {};
8493 struct cfg80211_coalesce
*n_coalesce
;
8494 int err
, rem_rule
, n_rules
= 0, i
, j
;
8495 struct nlattr
*rule
;
8496 struct cfg80211_coalesce_rules
*tmp_rule
;
8498 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8501 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8502 cfg80211_rdev_free_coalesce(rdev
);
8503 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8507 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8510 if (n_rules
> coalesce
->n_rules
)
8513 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8515 if (!new_coalesce
.rules
)
8518 new_coalesce
.n_rules
= n_rules
;
8521 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8523 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8524 &new_coalesce
.rules
[i
]);
8531 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8535 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8540 cfg80211_rdev_free_coalesce(rdev
);
8541 rdev
->coalesce
= n_coalesce
;
8545 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8546 tmp_rule
= &new_coalesce
.rules
[i
];
8547 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8548 kfree(tmp_rule
->patterns
[j
].mask
);
8549 kfree(tmp_rule
->patterns
);
8551 kfree(new_coalesce
.rules
);
8556 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8558 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8559 struct net_device
*dev
= info
->user_ptr
[1];
8560 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8561 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8562 struct cfg80211_gtk_rekey_data rekey_data
;
8565 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8568 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8569 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8570 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8571 nl80211_rekey_policy
);
8575 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8577 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8579 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8582 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8584 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8586 memcpy(rekey_data
.replay_ctr
,
8587 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8588 NL80211_REPLAY_CTR_LEN
);
8591 if (!wdev
->current_bss
) {
8596 if (!rdev
->ops
->set_rekey_data
) {
8601 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8607 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8608 struct genl_info
*info
)
8610 struct net_device
*dev
= info
->user_ptr
[1];
8611 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8613 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8614 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8617 if (wdev
->ap_unexpected_nlportid
)
8620 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8624 static int nl80211_probe_client(struct sk_buff
*skb
,
8625 struct genl_info
*info
)
8627 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8628 struct net_device
*dev
= info
->user_ptr
[1];
8629 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8630 struct sk_buff
*msg
;
8636 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8637 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8640 if (!info
->attrs
[NL80211_ATTR_MAC
])
8643 if (!rdev
->ops
->probe_client
)
8646 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8650 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8651 NL80211_CMD_PROBE_CLIENT
);
8657 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8659 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
8663 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8664 goto nla_put_failure
;
8666 genlmsg_end(msg
, hdr
);
8668 return genlmsg_reply(msg
, info
);
8677 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
8679 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8680 struct cfg80211_beacon_registration
*reg
, *nreg
;
8683 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
8686 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
8690 /* First, check if already registered. */
8691 spin_lock_bh(&rdev
->beacon_registrations_lock
);
8692 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
8693 if (reg
->nlportid
== info
->snd_portid
) {
8698 /* Add it to the list */
8699 nreg
->nlportid
= info
->snd_portid
;
8700 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
8702 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8706 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8711 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8713 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8714 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8717 if (!rdev
->ops
->start_p2p_device
)
8720 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8723 if (wdev
->p2p_started
)
8726 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
8730 err
= rdev_start_p2p_device(rdev
, wdev
);
8734 wdev
->p2p_started
= true;
8740 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8742 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8743 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8745 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8748 if (!rdev
->ops
->stop_p2p_device
)
8751 cfg80211_stop_p2p_device(rdev
, wdev
);
8756 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
8757 struct genl_info
*info
)
8760 struct sk_buff
*msg
;
8762 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8766 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8767 NL80211_CMD_GET_PROTOCOL_FEATURES
);
8769 goto nla_put_failure
;
8771 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
8772 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
8773 goto nla_put_failure
;
8775 genlmsg_end(msg
, hdr
);
8776 return genlmsg_reply(msg
, info
);
8783 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
8785 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8786 struct cfg80211_update_ft_ies_params ft_params
;
8787 struct net_device
*dev
= info
->user_ptr
[1];
8789 if (!rdev
->ops
->update_ft_ies
)
8792 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
8793 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8796 memset(&ft_params
, 0, sizeof(ft_params
));
8797 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
8798 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8799 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8801 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
8804 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
8805 struct genl_info
*info
)
8807 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8808 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8809 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
8813 if (!rdev
->ops
->crit_proto_start
)
8816 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
8819 if (rdev
->crit_proto_nlportid
)
8822 /* determine protocol if provided */
8823 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
8824 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
8826 if (proto
>= NUM_NL80211_CRIT_PROTO
)
8829 /* timeout must be provided */
8830 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
8834 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
8836 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
8839 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
8841 rdev
->crit_proto_nlportid
= info
->snd_portid
;
8846 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
8847 struct genl_info
*info
)
8849 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8850 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8852 if (!rdev
->ops
->crit_proto_stop
)
8855 if (rdev
->crit_proto_nlportid
) {
8856 rdev
->crit_proto_nlportid
= 0;
8857 rdev_crit_proto_stop(rdev
, wdev
);
8862 #define NL80211_FLAG_NEED_WIPHY 0x01
8863 #define NL80211_FLAG_NEED_NETDEV 0x02
8864 #define NL80211_FLAG_NEED_RTNL 0x04
8865 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
8866 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
8867 NL80211_FLAG_CHECK_NETDEV_UP)
8868 #define NL80211_FLAG_NEED_WDEV 0x10
8869 /* If a netdev is associated, it must be UP, P2P must be started */
8870 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
8871 NL80211_FLAG_CHECK_NETDEV_UP)
8873 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
8874 struct genl_info
*info
)
8876 struct cfg80211_registered_device
*rdev
;
8877 struct wireless_dev
*wdev
;
8878 struct net_device
*dev
;
8879 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
8884 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
8885 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
8889 return PTR_ERR(rdev
);
8891 info
->user_ptr
[0] = rdev
;
8892 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
8893 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
8896 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
8901 return PTR_ERR(wdev
);
8905 rdev
= wiphy_to_dev(wdev
->wiphy
);
8907 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
8914 info
->user_ptr
[1] = dev
;
8916 info
->user_ptr
[1] = wdev
;
8920 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
8921 !netif_running(dev
)) {
8928 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
8929 if (!wdev
->p2p_started
) {
8936 info
->user_ptr
[0] = rdev
;
8942 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
8943 struct genl_info
*info
)
8945 if (info
->user_ptr
[1]) {
8946 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
8947 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8950 dev_put(wdev
->netdev
);
8952 dev_put(info
->user_ptr
[1]);
8955 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
8959 static const struct genl_ops nl80211_ops
[] = {
8961 .cmd
= NL80211_CMD_GET_WIPHY
,
8962 .doit
= nl80211_get_wiphy
,
8963 .dumpit
= nl80211_dump_wiphy
,
8964 .done
= nl80211_dump_wiphy_done
,
8965 .policy
= nl80211_policy
,
8966 /* can be retrieved by unprivileged users */
8967 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8968 NL80211_FLAG_NEED_RTNL
,
8971 .cmd
= NL80211_CMD_SET_WIPHY
,
8972 .doit
= nl80211_set_wiphy
,
8973 .policy
= nl80211_policy
,
8974 .flags
= GENL_ADMIN_PERM
,
8975 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
8978 .cmd
= NL80211_CMD_GET_INTERFACE
,
8979 .doit
= nl80211_get_interface
,
8980 .dumpit
= nl80211_dump_interface
,
8981 .policy
= nl80211_policy
,
8982 /* can be retrieved by unprivileged users */
8983 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
8984 NL80211_FLAG_NEED_RTNL
,
8987 .cmd
= NL80211_CMD_SET_INTERFACE
,
8988 .doit
= nl80211_set_interface
,
8989 .policy
= nl80211_policy
,
8990 .flags
= GENL_ADMIN_PERM
,
8991 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8992 NL80211_FLAG_NEED_RTNL
,
8995 .cmd
= NL80211_CMD_NEW_INTERFACE
,
8996 .doit
= nl80211_new_interface
,
8997 .policy
= nl80211_policy
,
8998 .flags
= GENL_ADMIN_PERM
,
8999 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9000 NL80211_FLAG_NEED_RTNL
,
9003 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9004 .doit
= nl80211_del_interface
,
9005 .policy
= nl80211_policy
,
9006 .flags
= GENL_ADMIN_PERM
,
9007 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9008 NL80211_FLAG_NEED_RTNL
,
9011 .cmd
= NL80211_CMD_GET_KEY
,
9012 .doit
= nl80211_get_key
,
9013 .policy
= nl80211_policy
,
9014 .flags
= GENL_ADMIN_PERM
,
9015 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9016 NL80211_FLAG_NEED_RTNL
,
9019 .cmd
= NL80211_CMD_SET_KEY
,
9020 .doit
= nl80211_set_key
,
9021 .policy
= nl80211_policy
,
9022 .flags
= GENL_ADMIN_PERM
,
9023 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9024 NL80211_FLAG_NEED_RTNL
,
9027 .cmd
= NL80211_CMD_NEW_KEY
,
9028 .doit
= nl80211_new_key
,
9029 .policy
= nl80211_policy
,
9030 .flags
= GENL_ADMIN_PERM
,
9031 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9032 NL80211_FLAG_NEED_RTNL
,
9035 .cmd
= NL80211_CMD_DEL_KEY
,
9036 .doit
= nl80211_del_key
,
9037 .policy
= nl80211_policy
,
9038 .flags
= GENL_ADMIN_PERM
,
9039 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9040 NL80211_FLAG_NEED_RTNL
,
9043 .cmd
= NL80211_CMD_SET_BEACON
,
9044 .policy
= nl80211_policy
,
9045 .flags
= GENL_ADMIN_PERM
,
9046 .doit
= nl80211_set_beacon
,
9047 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9048 NL80211_FLAG_NEED_RTNL
,
9051 .cmd
= NL80211_CMD_START_AP
,
9052 .policy
= nl80211_policy
,
9053 .flags
= GENL_ADMIN_PERM
,
9054 .doit
= nl80211_start_ap
,
9055 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9056 NL80211_FLAG_NEED_RTNL
,
9059 .cmd
= NL80211_CMD_STOP_AP
,
9060 .policy
= nl80211_policy
,
9061 .flags
= GENL_ADMIN_PERM
,
9062 .doit
= nl80211_stop_ap
,
9063 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9064 NL80211_FLAG_NEED_RTNL
,
9067 .cmd
= NL80211_CMD_GET_STATION
,
9068 .doit
= nl80211_get_station
,
9069 .dumpit
= nl80211_dump_station
,
9070 .policy
= nl80211_policy
,
9071 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9072 NL80211_FLAG_NEED_RTNL
,
9075 .cmd
= NL80211_CMD_SET_STATION
,
9076 .doit
= nl80211_set_station
,
9077 .policy
= nl80211_policy
,
9078 .flags
= GENL_ADMIN_PERM
,
9079 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9080 NL80211_FLAG_NEED_RTNL
,
9083 .cmd
= NL80211_CMD_NEW_STATION
,
9084 .doit
= nl80211_new_station
,
9085 .policy
= nl80211_policy
,
9086 .flags
= GENL_ADMIN_PERM
,
9087 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9088 NL80211_FLAG_NEED_RTNL
,
9091 .cmd
= NL80211_CMD_DEL_STATION
,
9092 .doit
= nl80211_del_station
,
9093 .policy
= nl80211_policy
,
9094 .flags
= GENL_ADMIN_PERM
,
9095 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9096 NL80211_FLAG_NEED_RTNL
,
9099 .cmd
= NL80211_CMD_GET_MPATH
,
9100 .doit
= nl80211_get_mpath
,
9101 .dumpit
= nl80211_dump_mpath
,
9102 .policy
= nl80211_policy
,
9103 .flags
= GENL_ADMIN_PERM
,
9104 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9105 NL80211_FLAG_NEED_RTNL
,
9108 .cmd
= NL80211_CMD_SET_MPATH
,
9109 .doit
= nl80211_set_mpath
,
9110 .policy
= nl80211_policy
,
9111 .flags
= GENL_ADMIN_PERM
,
9112 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9113 NL80211_FLAG_NEED_RTNL
,
9116 .cmd
= NL80211_CMD_NEW_MPATH
,
9117 .doit
= nl80211_new_mpath
,
9118 .policy
= nl80211_policy
,
9119 .flags
= GENL_ADMIN_PERM
,
9120 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9121 NL80211_FLAG_NEED_RTNL
,
9124 .cmd
= NL80211_CMD_DEL_MPATH
,
9125 .doit
= nl80211_del_mpath
,
9126 .policy
= nl80211_policy
,
9127 .flags
= GENL_ADMIN_PERM
,
9128 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9129 NL80211_FLAG_NEED_RTNL
,
9132 .cmd
= NL80211_CMD_SET_BSS
,
9133 .doit
= nl80211_set_bss
,
9134 .policy
= nl80211_policy
,
9135 .flags
= GENL_ADMIN_PERM
,
9136 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9137 NL80211_FLAG_NEED_RTNL
,
9140 .cmd
= NL80211_CMD_GET_REG
,
9141 .doit
= nl80211_get_reg
,
9142 .policy
= nl80211_policy
,
9143 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9144 /* can be retrieved by unprivileged users */
9147 .cmd
= NL80211_CMD_SET_REG
,
9148 .doit
= nl80211_set_reg
,
9149 .policy
= nl80211_policy
,
9150 .flags
= GENL_ADMIN_PERM
,
9151 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9154 .cmd
= NL80211_CMD_REQ_SET_REG
,
9155 .doit
= nl80211_req_set_reg
,
9156 .policy
= nl80211_policy
,
9157 .flags
= GENL_ADMIN_PERM
,
9160 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9161 .doit
= nl80211_get_mesh_config
,
9162 .policy
= nl80211_policy
,
9163 /* can be retrieved by unprivileged users */
9164 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9165 NL80211_FLAG_NEED_RTNL
,
9168 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9169 .doit
= nl80211_update_mesh_config
,
9170 .policy
= nl80211_policy
,
9171 .flags
= GENL_ADMIN_PERM
,
9172 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9173 NL80211_FLAG_NEED_RTNL
,
9176 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9177 .doit
= nl80211_trigger_scan
,
9178 .policy
= nl80211_policy
,
9179 .flags
= GENL_ADMIN_PERM
,
9180 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9181 NL80211_FLAG_NEED_RTNL
,
9184 .cmd
= NL80211_CMD_GET_SCAN
,
9185 .policy
= nl80211_policy
,
9186 .dumpit
= nl80211_dump_scan
,
9189 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9190 .doit
= nl80211_start_sched_scan
,
9191 .policy
= nl80211_policy
,
9192 .flags
= GENL_ADMIN_PERM
,
9193 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9194 NL80211_FLAG_NEED_RTNL
,
9197 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9198 .doit
= nl80211_stop_sched_scan
,
9199 .policy
= nl80211_policy
,
9200 .flags
= GENL_ADMIN_PERM
,
9201 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9202 NL80211_FLAG_NEED_RTNL
,
9205 .cmd
= NL80211_CMD_AUTHENTICATE
,
9206 .doit
= nl80211_authenticate
,
9207 .policy
= nl80211_policy
,
9208 .flags
= GENL_ADMIN_PERM
,
9209 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9210 NL80211_FLAG_NEED_RTNL
,
9213 .cmd
= NL80211_CMD_ASSOCIATE
,
9214 .doit
= nl80211_associate
,
9215 .policy
= nl80211_policy
,
9216 .flags
= GENL_ADMIN_PERM
,
9217 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9218 NL80211_FLAG_NEED_RTNL
,
9221 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9222 .doit
= nl80211_deauthenticate
,
9223 .policy
= nl80211_policy
,
9224 .flags
= GENL_ADMIN_PERM
,
9225 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9226 NL80211_FLAG_NEED_RTNL
,
9229 .cmd
= NL80211_CMD_DISASSOCIATE
,
9230 .doit
= nl80211_disassociate
,
9231 .policy
= nl80211_policy
,
9232 .flags
= GENL_ADMIN_PERM
,
9233 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9234 NL80211_FLAG_NEED_RTNL
,
9237 .cmd
= NL80211_CMD_JOIN_IBSS
,
9238 .doit
= nl80211_join_ibss
,
9239 .policy
= nl80211_policy
,
9240 .flags
= GENL_ADMIN_PERM
,
9241 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9242 NL80211_FLAG_NEED_RTNL
,
9245 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9246 .doit
= nl80211_leave_ibss
,
9247 .policy
= nl80211_policy
,
9248 .flags
= GENL_ADMIN_PERM
,
9249 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9250 NL80211_FLAG_NEED_RTNL
,
9252 #ifdef CONFIG_NL80211_TESTMODE
9254 .cmd
= NL80211_CMD_TESTMODE
,
9255 .doit
= nl80211_testmode_do
,
9256 .dumpit
= nl80211_testmode_dump
,
9257 .policy
= nl80211_policy
,
9258 .flags
= GENL_ADMIN_PERM
,
9259 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9260 NL80211_FLAG_NEED_RTNL
,
9264 .cmd
= NL80211_CMD_CONNECT
,
9265 .doit
= nl80211_connect
,
9266 .policy
= nl80211_policy
,
9267 .flags
= GENL_ADMIN_PERM
,
9268 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9269 NL80211_FLAG_NEED_RTNL
,
9272 .cmd
= NL80211_CMD_DISCONNECT
,
9273 .doit
= nl80211_disconnect
,
9274 .policy
= nl80211_policy
,
9275 .flags
= GENL_ADMIN_PERM
,
9276 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9277 NL80211_FLAG_NEED_RTNL
,
9280 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9281 .doit
= nl80211_wiphy_netns
,
9282 .policy
= nl80211_policy
,
9283 .flags
= GENL_ADMIN_PERM
,
9284 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9285 NL80211_FLAG_NEED_RTNL
,
9288 .cmd
= NL80211_CMD_GET_SURVEY
,
9289 .policy
= nl80211_policy
,
9290 .dumpit
= nl80211_dump_survey
,
9293 .cmd
= NL80211_CMD_SET_PMKSA
,
9294 .doit
= nl80211_setdel_pmksa
,
9295 .policy
= nl80211_policy
,
9296 .flags
= GENL_ADMIN_PERM
,
9297 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9298 NL80211_FLAG_NEED_RTNL
,
9301 .cmd
= NL80211_CMD_DEL_PMKSA
,
9302 .doit
= nl80211_setdel_pmksa
,
9303 .policy
= nl80211_policy
,
9304 .flags
= GENL_ADMIN_PERM
,
9305 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9306 NL80211_FLAG_NEED_RTNL
,
9309 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9310 .doit
= nl80211_flush_pmksa
,
9311 .policy
= nl80211_policy
,
9312 .flags
= GENL_ADMIN_PERM
,
9313 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9314 NL80211_FLAG_NEED_RTNL
,
9317 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9318 .doit
= nl80211_remain_on_channel
,
9319 .policy
= nl80211_policy
,
9320 .flags
= GENL_ADMIN_PERM
,
9321 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9322 NL80211_FLAG_NEED_RTNL
,
9325 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9326 .doit
= nl80211_cancel_remain_on_channel
,
9327 .policy
= nl80211_policy
,
9328 .flags
= GENL_ADMIN_PERM
,
9329 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9330 NL80211_FLAG_NEED_RTNL
,
9333 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9334 .doit
= nl80211_set_tx_bitrate_mask
,
9335 .policy
= nl80211_policy
,
9336 .flags
= GENL_ADMIN_PERM
,
9337 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9338 NL80211_FLAG_NEED_RTNL
,
9341 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9342 .doit
= nl80211_register_mgmt
,
9343 .policy
= nl80211_policy
,
9344 .flags
= GENL_ADMIN_PERM
,
9345 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9346 NL80211_FLAG_NEED_RTNL
,
9349 .cmd
= NL80211_CMD_FRAME
,
9350 .doit
= nl80211_tx_mgmt
,
9351 .policy
= nl80211_policy
,
9352 .flags
= GENL_ADMIN_PERM
,
9353 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9354 NL80211_FLAG_NEED_RTNL
,
9357 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9358 .doit
= nl80211_tx_mgmt_cancel_wait
,
9359 .policy
= nl80211_policy
,
9360 .flags
= GENL_ADMIN_PERM
,
9361 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9362 NL80211_FLAG_NEED_RTNL
,
9365 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9366 .doit
= nl80211_set_power_save
,
9367 .policy
= nl80211_policy
,
9368 .flags
= GENL_ADMIN_PERM
,
9369 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9370 NL80211_FLAG_NEED_RTNL
,
9373 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9374 .doit
= nl80211_get_power_save
,
9375 .policy
= nl80211_policy
,
9376 /* can be retrieved by unprivileged users */
9377 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9378 NL80211_FLAG_NEED_RTNL
,
9381 .cmd
= NL80211_CMD_SET_CQM
,
9382 .doit
= nl80211_set_cqm
,
9383 .policy
= nl80211_policy
,
9384 .flags
= GENL_ADMIN_PERM
,
9385 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9386 NL80211_FLAG_NEED_RTNL
,
9389 .cmd
= NL80211_CMD_SET_CHANNEL
,
9390 .doit
= nl80211_set_channel
,
9391 .policy
= nl80211_policy
,
9392 .flags
= GENL_ADMIN_PERM
,
9393 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9394 NL80211_FLAG_NEED_RTNL
,
9397 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9398 .doit
= nl80211_set_wds_peer
,
9399 .policy
= nl80211_policy
,
9400 .flags
= GENL_ADMIN_PERM
,
9401 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9402 NL80211_FLAG_NEED_RTNL
,
9405 .cmd
= NL80211_CMD_JOIN_MESH
,
9406 .doit
= nl80211_join_mesh
,
9407 .policy
= nl80211_policy
,
9408 .flags
= GENL_ADMIN_PERM
,
9409 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9410 NL80211_FLAG_NEED_RTNL
,
9413 .cmd
= NL80211_CMD_LEAVE_MESH
,
9414 .doit
= nl80211_leave_mesh
,
9415 .policy
= nl80211_policy
,
9416 .flags
= GENL_ADMIN_PERM
,
9417 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9418 NL80211_FLAG_NEED_RTNL
,
9422 .cmd
= NL80211_CMD_GET_WOWLAN
,
9423 .doit
= nl80211_get_wowlan
,
9424 .policy
= nl80211_policy
,
9425 /* can be retrieved by unprivileged users */
9426 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9427 NL80211_FLAG_NEED_RTNL
,
9430 .cmd
= NL80211_CMD_SET_WOWLAN
,
9431 .doit
= nl80211_set_wowlan
,
9432 .policy
= nl80211_policy
,
9433 .flags
= GENL_ADMIN_PERM
,
9434 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9435 NL80211_FLAG_NEED_RTNL
,
9439 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9440 .doit
= nl80211_set_rekey_data
,
9441 .policy
= nl80211_policy
,
9442 .flags
= GENL_ADMIN_PERM
,
9443 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9444 NL80211_FLAG_NEED_RTNL
,
9447 .cmd
= NL80211_CMD_TDLS_MGMT
,
9448 .doit
= nl80211_tdls_mgmt
,
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_TDLS_OPER
,
9456 .doit
= nl80211_tdls_oper
,
9457 .policy
= nl80211_policy
,
9458 .flags
= GENL_ADMIN_PERM
,
9459 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9460 NL80211_FLAG_NEED_RTNL
,
9463 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9464 .doit
= nl80211_register_unexpected_frame
,
9465 .policy
= nl80211_policy
,
9466 .flags
= GENL_ADMIN_PERM
,
9467 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9468 NL80211_FLAG_NEED_RTNL
,
9471 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9472 .doit
= nl80211_probe_client
,
9473 .policy
= nl80211_policy
,
9474 .flags
= GENL_ADMIN_PERM
,
9475 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9476 NL80211_FLAG_NEED_RTNL
,
9479 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9480 .doit
= nl80211_register_beacons
,
9481 .policy
= nl80211_policy
,
9482 .flags
= GENL_ADMIN_PERM
,
9483 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9484 NL80211_FLAG_NEED_RTNL
,
9487 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9488 .doit
= nl80211_set_noack_map
,
9489 .policy
= nl80211_policy
,
9490 .flags
= GENL_ADMIN_PERM
,
9491 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9492 NL80211_FLAG_NEED_RTNL
,
9495 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
9496 .doit
= nl80211_start_p2p_device
,
9497 .policy
= nl80211_policy
,
9498 .flags
= GENL_ADMIN_PERM
,
9499 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9500 NL80211_FLAG_NEED_RTNL
,
9503 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
9504 .doit
= nl80211_stop_p2p_device
,
9505 .policy
= nl80211_policy
,
9506 .flags
= GENL_ADMIN_PERM
,
9507 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9508 NL80211_FLAG_NEED_RTNL
,
9511 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
9512 .doit
= nl80211_set_mcast_rate
,
9513 .policy
= nl80211_policy
,
9514 .flags
= GENL_ADMIN_PERM
,
9515 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9516 NL80211_FLAG_NEED_RTNL
,
9519 .cmd
= NL80211_CMD_SET_MAC_ACL
,
9520 .doit
= nl80211_set_mac_acl
,
9521 .policy
= nl80211_policy
,
9522 .flags
= GENL_ADMIN_PERM
,
9523 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9524 NL80211_FLAG_NEED_RTNL
,
9527 .cmd
= NL80211_CMD_RADAR_DETECT
,
9528 .doit
= nl80211_start_radar_detection
,
9529 .policy
= nl80211_policy
,
9530 .flags
= GENL_ADMIN_PERM
,
9531 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9532 NL80211_FLAG_NEED_RTNL
,
9535 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
9536 .doit
= nl80211_get_protocol_features
,
9537 .policy
= nl80211_policy
,
9540 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
9541 .doit
= nl80211_update_ft_ies
,
9542 .policy
= nl80211_policy
,
9543 .flags
= GENL_ADMIN_PERM
,
9544 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9545 NL80211_FLAG_NEED_RTNL
,
9548 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
9549 .doit
= nl80211_crit_protocol_start
,
9550 .policy
= nl80211_policy
,
9551 .flags
= GENL_ADMIN_PERM
,
9552 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9553 NL80211_FLAG_NEED_RTNL
,
9556 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
9557 .doit
= nl80211_crit_protocol_stop
,
9558 .policy
= nl80211_policy
,
9559 .flags
= GENL_ADMIN_PERM
,
9560 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9561 NL80211_FLAG_NEED_RTNL
,
9564 .cmd
= NL80211_CMD_GET_COALESCE
,
9565 .doit
= nl80211_get_coalesce
,
9566 .policy
= nl80211_policy
,
9567 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9568 NL80211_FLAG_NEED_RTNL
,
9571 .cmd
= NL80211_CMD_SET_COALESCE
,
9572 .doit
= nl80211_set_coalesce
,
9573 .policy
= nl80211_policy
,
9574 .flags
= GENL_ADMIN_PERM
,
9575 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9576 NL80211_FLAG_NEED_RTNL
,
9579 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
9580 .doit
= nl80211_channel_switch
,
9581 .policy
= nl80211_policy
,
9582 .flags
= GENL_ADMIN_PERM
,
9583 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9584 NL80211_FLAG_NEED_RTNL
,
9588 /* notification functions */
9590 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
9592 struct sk_buff
*msg
;
9593 struct nl80211_dump_wiphy_state state
= {};
9595 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9599 if (nl80211_send_wiphy(rdev
, msg
, 0, 0, 0, &state
) < 0) {
9604 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9605 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
9608 static int nl80211_add_scan_req(struct sk_buff
*msg
,
9609 struct cfg80211_registered_device
*rdev
)
9611 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
9612 struct nlattr
*nest
;
9618 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
9620 goto nla_put_failure
;
9621 for (i
= 0; i
< req
->n_ssids
; i
++) {
9622 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
9623 goto nla_put_failure
;
9625 nla_nest_end(msg
, nest
);
9627 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9629 goto nla_put_failure
;
9630 for (i
= 0; i
< req
->n_channels
; i
++) {
9631 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
9632 goto nla_put_failure
;
9634 nla_nest_end(msg
, nest
);
9637 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
9638 goto nla_put_failure
;
9641 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
9642 goto nla_put_failure
;
9649 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
9650 struct cfg80211_registered_device
*rdev
,
9651 struct wireless_dev
*wdev
,
9652 u32 portid
, u32 seq
, int flags
,
9657 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9661 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9662 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9663 wdev
->netdev
->ifindex
)) ||
9664 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
9665 goto nla_put_failure
;
9667 /* ignore errors and send incomplete event anyway */
9668 nl80211_add_scan_req(msg
, rdev
);
9670 return genlmsg_end(msg
, hdr
);
9673 genlmsg_cancel(msg
, hdr
);
9678 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
9679 struct cfg80211_registered_device
*rdev
,
9680 struct net_device
*netdev
,
9681 u32 portid
, u32 seq
, int flags
, u32 cmd
)
9685 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9689 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9690 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9691 goto nla_put_failure
;
9693 return genlmsg_end(msg
, hdr
);
9696 genlmsg_cancel(msg
, hdr
);
9700 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
9701 struct wireless_dev
*wdev
)
9703 struct sk_buff
*msg
;
9705 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9709 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9710 NL80211_CMD_TRIGGER_SCAN
) < 0) {
9715 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9716 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
9719 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
9720 struct wireless_dev
*wdev
)
9722 struct sk_buff
*msg
;
9724 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9728 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9729 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
9734 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9735 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
9738 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
9739 struct wireless_dev
*wdev
)
9741 struct sk_buff
*msg
;
9743 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9747 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9748 NL80211_CMD_SCAN_ABORTED
) < 0) {
9753 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9754 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
9757 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
9758 struct net_device
*netdev
)
9760 struct sk_buff
*msg
;
9762 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9766 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
9767 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
9772 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9773 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
9776 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
9777 struct net_device
*netdev
, u32 cmd
)
9779 struct sk_buff
*msg
;
9781 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9785 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
9790 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9791 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
9795 * This can happen on global regulatory changes or device specific settings
9796 * based on custom world regulatory domains.
9798 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
9800 struct sk_buff
*msg
;
9803 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9807 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
9813 /* Userspace can always count this one always being set */
9814 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
9815 goto nla_put_failure
;
9817 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
9818 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9819 NL80211_REGDOM_TYPE_WORLD
))
9820 goto nla_put_failure
;
9821 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
9822 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9823 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
9824 goto nla_put_failure
;
9825 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
9826 request
->intersect
) {
9827 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9828 NL80211_REGDOM_TYPE_INTERSECTION
))
9829 goto nla_put_failure
;
9831 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9832 NL80211_REGDOM_TYPE_COUNTRY
) ||
9833 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
9835 goto nla_put_failure
;
9838 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
9839 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
9840 goto nla_put_failure
;
9842 genlmsg_end(msg
, hdr
);
9845 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
9846 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
9852 genlmsg_cancel(msg
, hdr
);
9856 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
9857 struct net_device
*netdev
,
9858 const u8
*buf
, size_t len
,
9859 enum nl80211_commands cmd
, gfp_t gfp
)
9861 struct sk_buff
*msg
;
9864 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9868 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9874 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9875 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9876 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
9877 goto nla_put_failure
;
9879 genlmsg_end(msg
, hdr
);
9881 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9882 NL80211_MCGRP_MLME
, gfp
);
9886 genlmsg_cancel(msg
, hdr
);
9890 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
9891 struct net_device
*netdev
, const u8
*buf
,
9892 size_t len
, gfp_t gfp
)
9894 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9895 NL80211_CMD_AUTHENTICATE
, gfp
);
9898 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
9899 struct net_device
*netdev
, const u8
*buf
,
9900 size_t len
, gfp_t gfp
)
9902 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9903 NL80211_CMD_ASSOCIATE
, gfp
);
9906 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
9907 struct net_device
*netdev
, const u8
*buf
,
9908 size_t len
, gfp_t gfp
)
9910 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9911 NL80211_CMD_DEAUTHENTICATE
, gfp
);
9914 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
9915 struct net_device
*netdev
, const u8
*buf
,
9916 size_t len
, gfp_t gfp
)
9918 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9919 NL80211_CMD_DISASSOCIATE
, gfp
);
9922 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
9925 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9926 struct wiphy
*wiphy
= wdev
->wiphy
;
9927 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
9928 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
9931 if (WARN_ON(len
< 2))
9934 if (ieee80211_is_deauth(mgmt
->frame_control
))
9935 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
9937 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
9939 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
9940 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
9942 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
9944 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
9945 struct net_device
*netdev
, int cmd
,
9946 const u8
*addr
, gfp_t gfp
)
9948 struct sk_buff
*msg
;
9951 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9955 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9961 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9962 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9963 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
9964 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
9965 goto nla_put_failure
;
9967 genlmsg_end(msg
, hdr
);
9969 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
9970 NL80211_MCGRP_MLME
, gfp
);
9974 genlmsg_cancel(msg
, hdr
);
9978 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
9979 struct net_device
*netdev
, const u8
*addr
,
9982 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
9986 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
9987 struct net_device
*netdev
, const u8
*addr
,
9990 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
9994 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
9995 struct net_device
*netdev
, const u8
*bssid
,
9996 const u8
*req_ie
, size_t req_ie_len
,
9997 const u8
*resp_ie
, size_t resp_ie_len
,
9998 u16 status
, gfp_t gfp
)
10000 struct sk_buff
*msg
;
10003 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10007 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10013 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10014 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10015 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10016 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10018 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10020 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10021 goto nla_put_failure
;
10023 genlmsg_end(msg
, hdr
);
10025 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10026 NL80211_MCGRP_MLME
, gfp
);
10030 genlmsg_cancel(msg
, hdr
);
10035 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10036 struct net_device
*netdev
, const u8
*bssid
,
10037 const u8
*req_ie
, size_t req_ie_len
,
10038 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10040 struct sk_buff
*msg
;
10043 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10047 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10053 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10054 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10055 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10057 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10059 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10060 goto nla_put_failure
;
10062 genlmsg_end(msg
, hdr
);
10064 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10065 NL80211_MCGRP_MLME
, gfp
);
10069 genlmsg_cancel(msg
, hdr
);
10074 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10075 struct net_device
*netdev
, u16 reason
,
10076 const u8
*ie
, size_t ie_len
, bool from_ap
)
10078 struct sk_buff
*msg
;
10081 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10085 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10091 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10092 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10093 (from_ap
&& reason
&&
10094 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10096 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10097 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10098 goto nla_put_failure
;
10100 genlmsg_end(msg
, hdr
);
10102 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10103 NL80211_MCGRP_MLME
, GFP_KERNEL
);
10107 genlmsg_cancel(msg
, hdr
);
10112 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10113 struct net_device
*netdev
, const u8
*bssid
,
10116 struct sk_buff
*msg
;
10119 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10123 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10129 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10130 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10131 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10132 goto nla_put_failure
;
10134 genlmsg_end(msg
, hdr
);
10136 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10137 NL80211_MCGRP_MLME
, gfp
);
10141 genlmsg_cancel(msg
, hdr
);
10145 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10146 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10148 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10149 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10150 struct sk_buff
*msg
;
10153 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10156 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10158 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10162 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10168 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10169 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10170 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10172 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10173 goto nla_put_failure
;
10175 genlmsg_end(msg
, hdr
);
10177 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10178 NL80211_MCGRP_MLME
, gfp
);
10182 genlmsg_cancel(msg
, hdr
);
10185 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10187 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10188 struct net_device
*netdev
, const u8
*addr
,
10189 enum nl80211_key_type key_type
, int key_id
,
10190 const u8
*tsc
, gfp_t gfp
)
10192 struct sk_buff
*msg
;
10195 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10199 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10205 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10206 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10207 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10208 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10210 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10211 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10212 goto nla_put_failure
;
10214 genlmsg_end(msg
, hdr
);
10216 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10217 NL80211_MCGRP_MLME
, gfp
);
10221 genlmsg_cancel(msg
, hdr
);
10225 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10226 struct ieee80211_channel
*channel_before
,
10227 struct ieee80211_channel
*channel_after
)
10229 struct sk_buff
*msg
;
10231 struct nlattr
*nl_freq
;
10233 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10237 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10244 * Since we are applying the beacon hint to a wiphy we know its
10245 * wiphy_idx is valid
10247 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10248 goto nla_put_failure
;
10251 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10253 goto nla_put_failure
;
10254 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10255 goto nla_put_failure
;
10256 nla_nest_end(msg
, nl_freq
);
10259 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10261 goto nla_put_failure
;
10262 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10263 goto nla_put_failure
;
10264 nla_nest_end(msg
, nl_freq
);
10266 genlmsg_end(msg
, hdr
);
10269 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10270 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10276 genlmsg_cancel(msg
, hdr
);
10280 static void nl80211_send_remain_on_chan_event(
10281 int cmd
, struct cfg80211_registered_device
*rdev
,
10282 struct wireless_dev
*wdev
, u64 cookie
,
10283 struct ieee80211_channel
*chan
,
10284 unsigned int duration
, gfp_t gfp
)
10286 struct sk_buff
*msg
;
10289 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10293 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10299 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10300 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10301 wdev
->netdev
->ifindex
)) ||
10302 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10303 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10304 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10305 NL80211_CHAN_NO_HT
) ||
10306 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10307 goto nla_put_failure
;
10309 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10310 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10311 goto nla_put_failure
;
10313 genlmsg_end(msg
, hdr
);
10315 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10316 NL80211_MCGRP_MLME
, gfp
);
10320 genlmsg_cancel(msg
, hdr
);
10324 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10325 struct ieee80211_channel
*chan
,
10326 unsigned int duration
, gfp_t gfp
)
10328 struct wiphy
*wiphy
= wdev
->wiphy
;
10329 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10331 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10332 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10333 rdev
, wdev
, cookie
, chan
,
10336 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10338 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10339 struct ieee80211_channel
*chan
,
10342 struct wiphy
*wiphy
= wdev
->wiphy
;
10343 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10345 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10346 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10347 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10349 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10351 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10352 struct station_info
*sinfo
, gfp_t gfp
)
10354 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10355 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10356 struct sk_buff
*msg
;
10358 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10360 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10364 if (nl80211_send_station(msg
, 0, 0, 0,
10365 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10370 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10371 NL80211_MCGRP_MLME
, gfp
);
10373 EXPORT_SYMBOL(cfg80211_new_sta
);
10375 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10377 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10378 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10379 struct sk_buff
*msg
;
10382 trace_cfg80211_del_sta(dev
, mac_addr
);
10384 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10388 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10394 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10395 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10396 goto nla_put_failure
;
10398 genlmsg_end(msg
, hdr
);
10400 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10401 NL80211_MCGRP_MLME
, gfp
);
10405 genlmsg_cancel(msg
, hdr
);
10408 EXPORT_SYMBOL(cfg80211_del_sta
);
10410 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10411 enum nl80211_connect_failed_reason reason
,
10414 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10415 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10416 struct sk_buff
*msg
;
10419 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10423 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10429 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10430 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10431 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10432 goto nla_put_failure
;
10434 genlmsg_end(msg
, hdr
);
10436 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10437 NL80211_MCGRP_MLME
, gfp
);
10441 genlmsg_cancel(msg
, hdr
);
10444 EXPORT_SYMBOL(cfg80211_conn_failed
);
10446 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10447 const u8
*addr
, gfp_t gfp
)
10449 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10450 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10451 struct sk_buff
*msg
;
10453 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10458 msg
= nlmsg_new(100, gfp
);
10462 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10468 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10469 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10470 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10471 goto nla_put_failure
;
10473 genlmsg_end(msg
, hdr
);
10474 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10478 genlmsg_cancel(msg
, hdr
);
10483 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
10484 const u8
*addr
, gfp_t gfp
)
10486 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10489 trace_cfg80211_rx_spurious_frame(dev
, addr
);
10491 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10492 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
10493 trace_cfg80211_return_bool(false);
10496 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
10498 trace_cfg80211_return_bool(ret
);
10501 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
10503 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
10504 const u8
*addr
, gfp_t gfp
)
10506 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10509 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
10511 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10512 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10513 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
10514 trace_cfg80211_return_bool(false);
10517 ret
= __nl80211_unexpected_frame(dev
,
10518 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
10520 trace_cfg80211_return_bool(ret
);
10523 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
10525 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
10526 struct wireless_dev
*wdev
, u32 nlportid
,
10527 int freq
, int sig_dbm
,
10528 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
10530 struct net_device
*netdev
= wdev
->netdev
;
10531 struct sk_buff
*msg
;
10534 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10538 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
10544 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10545 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10546 netdev
->ifindex
)) ||
10547 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10548 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
10550 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
10551 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10553 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
10554 goto nla_put_failure
;
10556 genlmsg_end(msg
, hdr
);
10558 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10561 genlmsg_cancel(msg
, hdr
);
10566 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
10567 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
10569 struct wiphy
*wiphy
= wdev
->wiphy
;
10570 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10571 struct net_device
*netdev
= wdev
->netdev
;
10572 struct sk_buff
*msg
;
10575 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
10577 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10581 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
10587 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10588 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10589 netdev
->ifindex
)) ||
10590 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10591 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10592 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
10593 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
10594 goto nla_put_failure
;
10596 genlmsg_end(msg
, hdr
);
10598 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10599 NL80211_MCGRP_MLME
, gfp
);
10603 genlmsg_cancel(msg
, hdr
);
10606 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
10608 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
10609 enum nl80211_cqm_rssi_threshold_event rssi_event
,
10612 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10613 struct wiphy
*wiphy
= wdev
->wiphy
;
10614 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10615 struct sk_buff
*msg
;
10616 struct nlattr
*pinfoattr
;
10619 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
10621 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10625 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10631 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10632 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
10633 goto nla_put_failure
;
10635 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10637 goto nla_put_failure
;
10639 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
10641 goto nla_put_failure
;
10643 nla_nest_end(msg
, pinfoattr
);
10645 genlmsg_end(msg
, hdr
);
10647 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10648 NL80211_MCGRP_MLME
, gfp
);
10652 genlmsg_cancel(msg
, hdr
);
10655 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
10657 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
10658 struct net_device
*netdev
, const u8
*bssid
,
10659 const u8
*replay_ctr
, gfp_t gfp
)
10661 struct sk_buff
*msg
;
10662 struct nlattr
*rekey_attr
;
10665 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10669 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
10675 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10676 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10677 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10678 goto nla_put_failure
;
10680 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
10682 goto nla_put_failure
;
10684 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
10685 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
10686 goto nla_put_failure
;
10688 nla_nest_end(msg
, rekey_attr
);
10690 genlmsg_end(msg
, hdr
);
10692 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10693 NL80211_MCGRP_MLME
, gfp
);
10697 genlmsg_cancel(msg
, hdr
);
10701 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
10702 const u8
*replay_ctr
, gfp_t gfp
)
10704 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10705 struct wiphy
*wiphy
= wdev
->wiphy
;
10706 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10708 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
10709 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
10711 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
10714 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
10715 struct net_device
*netdev
, int index
,
10716 const u8
*bssid
, bool preauth
, gfp_t gfp
)
10718 struct sk_buff
*msg
;
10719 struct nlattr
*attr
;
10722 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10726 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
10732 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10733 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10734 goto nla_put_failure
;
10736 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
10738 goto nla_put_failure
;
10740 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
10741 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
10743 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
10744 goto nla_put_failure
;
10746 nla_nest_end(msg
, attr
);
10748 genlmsg_end(msg
, hdr
);
10750 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10751 NL80211_MCGRP_MLME
, gfp
);
10755 genlmsg_cancel(msg
, hdr
);
10759 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
10760 const u8
*bssid
, bool preauth
, gfp_t gfp
)
10762 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10763 struct wiphy
*wiphy
= wdev
->wiphy
;
10764 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10766 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
10767 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
10769 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
10771 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
10772 struct net_device
*netdev
,
10773 struct cfg80211_chan_def
*chandef
,
10776 struct sk_buff
*msg
;
10779 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10783 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
10789 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10790 goto nla_put_failure
;
10792 if (nl80211_send_chandef(msg
, chandef
))
10793 goto nla_put_failure
;
10795 genlmsg_end(msg
, hdr
);
10797 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10798 NL80211_MCGRP_MLME
, gfp
);
10802 genlmsg_cancel(msg
, hdr
);
10806 void cfg80211_ch_switch_notify(struct net_device
*dev
,
10807 struct cfg80211_chan_def
*chandef
)
10809 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10810 struct wiphy
*wiphy
= wdev
->wiphy
;
10811 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10813 trace_cfg80211_ch_switch_notify(dev
, chandef
);
10817 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10818 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10819 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
10820 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10823 wdev
->channel
= chandef
->chan
;
10824 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
10829 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
10831 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
10832 const u8
*peer
, u32 num_packets
,
10833 u32 rate
, u32 intvl
, gfp_t gfp
)
10835 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10836 struct wiphy
*wiphy
= wdev
->wiphy
;
10837 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10838 struct sk_buff
*msg
;
10839 struct nlattr
*pinfoattr
;
10842 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10846 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10852 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10853 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10854 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
10855 goto nla_put_failure
;
10857 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10859 goto nla_put_failure
;
10861 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
10862 goto nla_put_failure
;
10864 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
10865 goto nla_put_failure
;
10867 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
10868 goto nla_put_failure
;
10870 nla_nest_end(msg
, pinfoattr
);
10872 genlmsg_end(msg
, hdr
);
10874 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10875 NL80211_MCGRP_MLME
, gfp
);
10879 genlmsg_cancel(msg
, hdr
);
10882 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
10885 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
10886 struct cfg80211_chan_def
*chandef
,
10887 enum nl80211_radar_event event
,
10888 struct net_device
*netdev
, gfp_t gfp
)
10890 struct sk_buff
*msg
;
10893 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10897 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
10903 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
10904 goto nla_put_failure
;
10906 /* NOP and radar events don't need a netdev parameter */
10908 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
10910 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10911 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10912 goto nla_put_failure
;
10915 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
10916 goto nla_put_failure
;
10918 if (nl80211_send_chandef(msg
, chandef
))
10919 goto nla_put_failure
;
10921 genlmsg_end(msg
, hdr
);
10923 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10924 NL80211_MCGRP_MLME
, gfp
);
10928 genlmsg_cancel(msg
, hdr
);
10932 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
10933 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
10935 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10936 struct wiphy
*wiphy
= wdev
->wiphy
;
10937 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10938 struct sk_buff
*msg
;
10939 struct nlattr
*pinfoattr
;
10942 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
10944 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10948 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10954 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10955 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10956 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
10957 goto nla_put_failure
;
10959 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10961 goto nla_put_failure
;
10963 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
10964 goto nla_put_failure
;
10966 nla_nest_end(msg
, pinfoattr
);
10968 genlmsg_end(msg
, hdr
);
10970 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10971 NL80211_MCGRP_MLME
, gfp
);
10975 genlmsg_cancel(msg
, hdr
);
10978 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
10980 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
10981 u64 cookie
, bool acked
, gfp_t gfp
)
10983 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10984 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10985 struct sk_buff
*msg
;
10988 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
10990 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10995 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11001 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11002 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11003 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11004 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11005 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11006 goto nla_put_failure
;
11008 genlmsg_end(msg
, hdr
);
11010 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11011 NL80211_MCGRP_MLME
, gfp
);
11015 genlmsg_cancel(msg
, hdr
);
11018 EXPORT_SYMBOL(cfg80211_probe_status
);
11020 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11021 const u8
*frame
, size_t len
,
11022 int freq
, int sig_dbm
)
11024 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11025 struct sk_buff
*msg
;
11027 struct cfg80211_beacon_registration
*reg
;
11029 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11031 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11032 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11033 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11035 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11039 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11041 goto nla_put_failure
;
11043 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11045 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11047 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11048 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11049 goto nla_put_failure
;
11051 genlmsg_end(msg
, hdr
);
11053 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11055 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11059 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11061 genlmsg_cancel(msg
, hdr
);
11064 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11067 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11068 struct cfg80211_wowlan_wakeup
*wakeup
,
11071 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11072 struct sk_buff
*msg
;
11076 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11079 size
+= wakeup
->packet_present_len
;
11081 msg
= nlmsg_new(size
, gfp
);
11085 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11089 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11090 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11093 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11094 wdev
->netdev
->ifindex
))
11098 struct nlattr
*reasons
;
11100 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11104 if (wakeup
->disconnect
&&
11105 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11107 if (wakeup
->magic_pkt
&&
11108 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11110 if (wakeup
->gtk_rekey_failure
&&
11111 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11113 if (wakeup
->eap_identity_req
&&
11114 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11116 if (wakeup
->four_way_handshake
&&
11117 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11119 if (wakeup
->rfkill_release
&&
11120 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11123 if (wakeup
->pattern_idx
>= 0 &&
11124 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11125 wakeup
->pattern_idx
))
11128 if (wakeup
->tcp_match
&&
11129 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
11132 if (wakeup
->tcp_connlost
&&
11133 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
11136 if (wakeup
->tcp_nomoretokens
&&
11138 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
11141 if (wakeup
->packet
) {
11142 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11143 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11145 if (!wakeup
->packet_80211
) {
11147 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11149 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11152 if (wakeup
->packet_len
&&
11153 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11156 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11161 nla_nest_end(msg
, reasons
);
11164 genlmsg_end(msg
, hdr
);
11166 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11167 NL80211_MCGRP_MLME
, gfp
);
11173 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11176 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11177 enum nl80211_tdls_operation oper
,
11178 u16 reason_code
, gfp_t gfp
)
11180 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11181 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11182 struct sk_buff
*msg
;
11185 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11188 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11192 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11198 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11199 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11200 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11201 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11202 (reason_code
> 0 &&
11203 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11204 goto nla_put_failure
;
11206 genlmsg_end(msg
, hdr
);
11208 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11209 NL80211_MCGRP_MLME
, gfp
);
11213 genlmsg_cancel(msg
, hdr
);
11216 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11218 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11219 unsigned long state
,
11222 struct netlink_notify
*notify
= _notify
;
11223 struct cfg80211_registered_device
*rdev
;
11224 struct wireless_dev
*wdev
;
11225 struct cfg80211_beacon_registration
*reg
, *tmp
;
11227 if (state
!= NETLINK_URELEASE
)
11228 return NOTIFY_DONE
;
11232 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11233 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
11234 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11236 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11237 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11239 if (reg
->nlportid
== notify
->portid
) {
11240 list_del(®
->list
);
11245 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11250 return NOTIFY_DONE
;
11253 static struct notifier_block nl80211_netlink_notifier
= {
11254 .notifier_call
= nl80211_netlink_notify
,
11257 void cfg80211_ft_event(struct net_device
*netdev
,
11258 struct cfg80211_ft_event_params
*ft_event
)
11260 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11261 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11262 struct sk_buff
*msg
;
11265 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11267 if (!ft_event
->target_ap
)
11270 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11274 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11278 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11279 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11280 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
11283 if (ft_event
->ies
&&
11284 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
11286 if (ft_event
->ric_ies
&&
11287 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11288 ft_event
->ric_ies
))
11291 genlmsg_end(msg
, hdr
);
11293 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11294 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11299 EXPORT_SYMBOL(cfg80211_ft_event
);
11301 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11303 struct cfg80211_registered_device
*rdev
;
11304 struct sk_buff
*msg
;
11308 rdev
= wiphy_to_dev(wdev
->wiphy
);
11309 if (!rdev
->crit_proto_nlportid
)
11312 nlportid
= rdev
->crit_proto_nlportid
;
11313 rdev
->crit_proto_nlportid
= 0;
11315 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11319 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11321 goto nla_put_failure
;
11323 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11324 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11325 goto nla_put_failure
;
11327 genlmsg_end(msg
, hdr
);
11329 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11334 genlmsg_cancel(msg
, hdr
);
11338 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11340 /* initialisation/exit functions */
11342 int nl80211_init(void)
11346 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
11351 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11357 genl_unregister_family(&nl80211_fam
);
11361 void nl80211_exit(void)
11363 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11364 genl_unregister_family(&nl80211_fam
);