2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
22 #include <net/inet_connection_sock.h>
28 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
29 struct genl_info
*info
,
30 struct cfg80211_crypto_settings
*settings
,
33 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
34 struct genl_info
*info
);
35 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
36 struct genl_info
*info
);
38 /* the netlink family */
39 static struct genl_family nl80211_fam
= {
40 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
41 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
42 .hdrsize
= 0, /* no private header */
43 .version
= 1, /* no particular meaning now */
44 .maxattr
= NL80211_ATTR_MAX
,
46 .pre_doit
= nl80211_pre_doit
,
47 .post_doit
= nl80211_post_doit
,
50 /* multicast groups */
51 enum nl80211_multicast_groups
{
54 NL80211_MCGRP_REGULATORY
,
57 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
60 static const struct genl_multicast_group nl80211_mcgrps
[] = {
61 [NL80211_MCGRP_CONFIG
] = { .name
= "config", },
62 [NL80211_MCGRP_SCAN
] = { .name
= "scan", },
63 [NL80211_MCGRP_REGULATORY
] = { .name
= "regulatory", },
64 [NL80211_MCGRP_MLME
] = { .name
= "mlme", },
65 [NL80211_MCGRP_VENDOR
] = { .name
= "vendor", },
66 #ifdef CONFIG_NL80211_TESTMODE
67 [NL80211_MCGRP_TESTMODE
] = { .name
= "testmode", }
71 /* returns ERR_PTR values */
72 static struct wireless_dev
*
73 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
75 struct cfg80211_registered_device
*rdev
;
76 struct wireless_dev
*result
= NULL
;
77 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
78 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
85 if (!have_ifidx
&& !have_wdev_id
)
86 return ERR_PTR(-EINVAL
);
89 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
91 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
92 wiphy_idx
= wdev_id
>> 32;
95 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
96 struct wireless_dev
*wdev
;
98 if (wiphy_net(&rdev
->wiphy
) != netns
)
101 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
104 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
105 if (have_ifidx
&& wdev
->netdev
&&
106 wdev
->netdev
->ifindex
== ifidx
) {
110 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
122 return ERR_PTR(-ENODEV
);
125 static struct cfg80211_registered_device
*
126 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
128 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
129 struct net_device
*netdev
;
133 if (!attrs
[NL80211_ATTR_WIPHY
] &&
134 !attrs
[NL80211_ATTR_IFINDEX
] &&
135 !attrs
[NL80211_ATTR_WDEV
])
136 return ERR_PTR(-EINVAL
);
138 if (attrs
[NL80211_ATTR_WIPHY
])
139 rdev
= cfg80211_rdev_by_wiphy_idx(
140 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
142 if (attrs
[NL80211_ATTR_WDEV
]) {
143 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
144 struct wireless_dev
*wdev
;
147 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
149 /* make sure wdev exists */
150 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
151 if (wdev
->identifier
!= (u32
)wdev_id
)
160 if (rdev
&& tmp
!= rdev
)
161 return ERR_PTR(-EINVAL
);
166 if (attrs
[NL80211_ATTR_IFINDEX
]) {
167 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
168 netdev
= __dev_get_by_index(netns
, ifindex
);
170 if (netdev
->ieee80211_ptr
)
172 netdev
->ieee80211_ptr
->wiphy
);
176 /* not wireless device -- return error */
178 return ERR_PTR(-EINVAL
);
180 /* mismatch -- return error */
181 if (rdev
&& tmp
!= rdev
)
182 return ERR_PTR(-EINVAL
);
189 return ERR_PTR(-ENODEV
);
191 if (netns
!= wiphy_net(&rdev
->wiphy
))
192 return ERR_PTR(-ENODEV
);
198 * This function returns a pointer to the driver
199 * that the genl_info item that is passed refers to.
201 * The result of this can be a PTR_ERR and hence must
202 * be checked with IS_ERR() for errors.
204 static struct cfg80211_registered_device
*
205 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
207 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
210 /* policy for the attributes */
211 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
212 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
213 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
215 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
217 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
218 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
219 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
220 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
224 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
225 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
226 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
227 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
229 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
230 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
231 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
233 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
234 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
236 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
237 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
238 .len
= WLAN_MAX_KEY_LEN
},
239 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
240 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
241 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
242 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
243 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
245 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
246 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
247 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
248 .len
= IEEE80211_MAX_DATA_LEN
},
249 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
250 .len
= IEEE80211_MAX_DATA_LEN
},
251 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
252 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
253 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
254 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
255 .len
= NL80211_MAX_SUPP_RATES
},
256 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
257 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
258 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
259 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
260 .len
= IEEE80211_MAX_MESH_ID_LEN
},
261 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
263 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
264 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
266 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
267 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
268 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
269 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
270 .len
= NL80211_MAX_SUPP_RATES
},
271 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
273 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
274 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
276 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
278 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
279 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
280 .len
= IEEE80211_MAX_DATA_LEN
},
281 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
282 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
284 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
285 .len
= IEEE80211_MAX_SSID_LEN
},
286 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
287 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
288 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
289 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
290 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
291 [NL80211_ATTR_STA_FLAGS2
] = {
292 .len
= sizeof(struct nl80211_sta_flag_update
),
294 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
295 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
296 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
297 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
298 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
299 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
300 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
301 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
302 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
303 .len
= WLAN_PMKID_LEN
},
304 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
305 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
306 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
307 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
308 .len
= IEEE80211_MAX_DATA_LEN
},
309 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
310 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
311 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
312 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
313 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
314 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
315 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
316 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
317 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
318 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
319 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
321 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
322 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
323 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
324 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
325 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
326 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
327 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
328 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
329 .len
= IEEE80211_MAX_DATA_LEN
},
330 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
331 .len
= IEEE80211_MAX_DATA_LEN
},
332 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
333 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
334 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
335 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
336 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
337 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
338 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
339 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
340 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
341 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
342 .len
= IEEE80211_MAX_DATA_LEN
},
343 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
344 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
345 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
346 .len
= NL80211_HT_CAPABILITY_LEN
348 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
349 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
350 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
351 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
352 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
353 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
354 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
355 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
356 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
357 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
358 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
359 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
360 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
361 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
362 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
363 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
364 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
365 .len
= NL80211_VHT_CAPABILITY_LEN
,
367 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
368 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
369 .len
= IEEE80211_MAX_DATA_LEN
},
370 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
371 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
372 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
373 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
374 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_U16
},
375 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_U16
},
376 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
377 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
378 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
379 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
380 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
381 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
382 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
383 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
384 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
385 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
386 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
389 /* policy for the key attributes */
390 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
391 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
392 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
393 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
394 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
395 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
396 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
397 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
398 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
401 /* policy for the key default flags */
402 static const struct nla_policy
403 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
404 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
405 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
408 /* policy for WoWLAN attributes */
409 static const struct nla_policy
410 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
411 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
412 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
413 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
414 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
415 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
416 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
417 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
418 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
419 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
422 static const struct nla_policy
423 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
424 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
425 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
426 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
427 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
428 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
429 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
430 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
431 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
433 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
434 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
436 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
437 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
438 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
441 /* policy for coalesce rule attributes */
442 static const struct nla_policy
443 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
444 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
445 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
446 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
449 /* policy for GTK rekey offload attributes */
450 static const struct nla_policy
451 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
452 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
453 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
454 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
457 static const struct nla_policy
458 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
459 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
460 .len
= IEEE80211_MAX_SSID_LEN
},
461 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
464 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
465 struct netlink_callback
*cb
,
466 struct cfg80211_registered_device
**rdev
,
467 struct wireless_dev
**wdev
)
474 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
475 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
480 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
481 nl80211_fam
.attrbuf
);
483 err
= PTR_ERR(*wdev
);
486 *rdev
= wiphy_to_dev((*wdev
)->wiphy
);
487 /* 0 is the first index - add 1 to parse only once */
488 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
489 cb
->args
[1] = (*wdev
)->identifier
;
491 /* subtract the 1 again here */
492 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
493 struct wireless_dev
*tmp
;
499 *rdev
= wiphy_to_dev(wiphy
);
502 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
503 if (tmp
->identifier
== cb
->args
[1]) {
521 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
527 static bool is_valid_ie_attr(const struct nlattr
*attr
)
535 pos
= nla_data(attr
);
556 /* message building helper */
557 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
560 /* since there is no private header just add the generic one */
561 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
564 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
565 struct ieee80211_channel
*chan
,
568 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
570 goto nla_put_failure
;
572 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
573 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
574 goto nla_put_failure
;
575 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
576 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
577 goto nla_put_failure
;
578 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
579 goto nla_put_failure
;
581 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
582 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
583 goto nla_put_failure
;
587 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
589 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
591 goto nla_put_failure
;
592 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
594 goto nla_put_failure
;
599 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
600 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
601 goto nla_put_failure
;
602 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
603 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
604 goto nla_put_failure
;
605 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
606 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
607 goto nla_put_failure
;
608 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
609 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
610 goto nla_put_failure
;
613 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
614 DBM_TO_MBM(chan
->max_power
)))
615 goto nla_put_failure
;
623 /* netlink command implementations */
630 bool def_uni
, def_multi
;
633 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
635 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
636 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
641 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
642 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
651 if (tb
[NL80211_KEY_IDX
])
652 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
654 if (tb
[NL80211_KEY_DATA
]) {
655 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
656 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
659 if (tb
[NL80211_KEY_SEQ
]) {
660 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
661 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
664 if (tb
[NL80211_KEY_CIPHER
])
665 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
667 if (tb
[NL80211_KEY_TYPE
]) {
668 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
669 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
673 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
674 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
675 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
676 tb
[NL80211_KEY_DEFAULT_TYPES
],
677 nl80211_key_default_policy
);
681 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
682 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
688 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
690 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
691 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
692 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
695 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
696 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
697 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
700 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
701 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
703 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
704 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
706 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
707 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
716 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
717 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
718 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
722 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
723 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
724 int err
= nla_parse_nested(
725 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
726 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
727 nl80211_key_default_policy
);
731 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
732 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
738 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
742 memset(k
, 0, sizeof(*k
));
746 if (info
->attrs
[NL80211_ATTR_KEY
])
747 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
749 err
= nl80211_parse_key_old(info
, k
);
754 if (k
->def
&& k
->defmgmt
)
758 if (k
->def_uni
|| !k
->def_multi
)
764 if (k
->idx
< 4 || k
->idx
> 5)
767 if (k
->idx
< 0 || k
->idx
> 3)
770 if (k
->idx
< 0 || k
->idx
> 5)
778 static struct cfg80211_cached_keys
*
779 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
780 struct nlattr
*keys
, bool *no_ht
)
782 struct key_parse parse
;
784 struct cfg80211_cached_keys
*result
;
785 int rem
, err
, def
= 0;
787 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
789 return ERR_PTR(-ENOMEM
);
792 result
->defmgmt
= -1;
794 nla_for_each_nested(key
, keys
, rem
) {
795 memset(&parse
, 0, sizeof(parse
));
798 err
= nl80211_parse_key_new(key
, &parse
);
804 if (parse
.idx
< 0 || parse
.idx
> 4)
810 result
->def
= parse
.idx
;
811 if (!parse
.def_uni
|| !parse
.def_multi
)
813 } else if (parse
.defmgmt
)
815 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
816 parse
.idx
, false, NULL
);
819 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
820 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
821 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
822 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
824 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
825 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
837 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
839 ASSERT_WDEV_LOCK(wdev
);
841 switch (wdev
->iftype
) {
842 case NL80211_IFTYPE_AP
:
843 case NL80211_IFTYPE_AP_VLAN
:
844 case NL80211_IFTYPE_P2P_GO
:
845 case NL80211_IFTYPE_MESH_POINT
:
847 case NL80211_IFTYPE_ADHOC
:
848 case NL80211_IFTYPE_STATION
:
849 case NL80211_IFTYPE_P2P_CLIENT
:
850 if (!wdev
->current_bss
)
860 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
863 struct ieee80211_channel
*chan
;
867 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
868 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
873 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
875 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
879 goto nla_put_failure
;
883 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
884 goto nla_put_failure
;
889 nla_nest_end(msg
, nl_modes
);
896 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
900 struct nlattr
*nl_combis
;
903 nl_combis
= nla_nest_start(msg
,
904 NL80211_ATTR_INTERFACE_COMBINATIONS
);
906 goto nla_put_failure
;
908 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
909 const struct ieee80211_iface_combination
*c
;
910 struct nlattr
*nl_combi
, *nl_limits
;
912 c
= &wiphy
->iface_combinations
[i
];
914 nl_combi
= nla_nest_start(msg
, i
+ 1);
916 goto nla_put_failure
;
918 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
920 goto nla_put_failure
;
922 for (j
= 0; j
< c
->n_limits
; j
++) {
923 struct nlattr
*nl_limit
;
925 nl_limit
= nla_nest_start(msg
, j
+ 1);
927 goto nla_put_failure
;
928 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
930 goto nla_put_failure
;
931 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
933 goto nla_put_failure
;
934 nla_nest_end(msg
, nl_limit
);
937 nla_nest_end(msg
, nl_limits
);
939 if (c
->beacon_int_infra_match
&&
940 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
941 goto nla_put_failure
;
942 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
943 c
->num_different_channels
) ||
944 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
946 goto nla_put_failure
;
948 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
949 c
->radar_detect_widths
))
950 goto nla_put_failure
;
952 nla_nest_end(msg
, nl_combi
);
955 nla_nest_end(msg
, nl_combis
);
963 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
966 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
967 struct nlattr
*nl_tcp
;
972 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
976 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
977 tcp
->data_payload_max
))
980 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
981 tcp
->data_payload_max
))
984 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
987 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
988 sizeof(*tcp
->tok
), tcp
->tok
))
991 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
992 tcp
->data_interval_max
))
995 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
996 tcp
->wake_payload_max
))
999 nla_nest_end(msg
, nl_tcp
);
1003 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1004 struct cfg80211_registered_device
*dev
,
1007 struct nlattr
*nl_wowlan
;
1009 if (!dev
->wiphy
.wowlan
)
1012 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1016 if (((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1017 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1018 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1019 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1020 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1021 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1022 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1023 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1024 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1025 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1026 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1027 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1028 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1029 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1030 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1031 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1034 if (dev
->wiphy
.wowlan
->n_patterns
) {
1035 struct nl80211_pattern_support pat
= {
1036 .max_patterns
= dev
->wiphy
.wowlan
->n_patterns
,
1037 .min_pattern_len
= dev
->wiphy
.wowlan
->pattern_min_len
,
1038 .max_pattern_len
= dev
->wiphy
.wowlan
->pattern_max_len
,
1039 .max_pkt_offset
= dev
->wiphy
.wowlan
->max_pkt_offset
,
1042 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1047 if (large
&& nl80211_send_wowlan_tcp_caps(dev
, msg
))
1050 nla_nest_end(msg
, nl_wowlan
);
1056 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1057 struct cfg80211_registered_device
*dev
)
1059 struct nl80211_coalesce_rule_support rule
;
1061 if (!dev
->wiphy
.coalesce
)
1064 rule
.max_rules
= dev
->wiphy
.coalesce
->n_rules
;
1065 rule
.max_delay
= dev
->wiphy
.coalesce
->max_delay
;
1066 rule
.pat
.max_patterns
= dev
->wiphy
.coalesce
->n_patterns
;
1067 rule
.pat
.min_pattern_len
= dev
->wiphy
.coalesce
->pattern_min_len
;
1068 rule
.pat
.max_pattern_len
= dev
->wiphy
.coalesce
->pattern_max_len
;
1069 rule
.pat
.max_pkt_offset
= dev
->wiphy
.coalesce
->max_pkt_offset
;
1071 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1077 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1078 struct ieee80211_supported_band
*sband
)
1080 struct nlattr
*nl_rates
, *nl_rate
;
1081 struct ieee80211_rate
*rate
;
1085 if (sband
->ht_cap
.ht_supported
&&
1086 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1087 sizeof(sband
->ht_cap
.mcs
),
1088 &sband
->ht_cap
.mcs
) ||
1089 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1090 sband
->ht_cap
.cap
) ||
1091 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1092 sband
->ht_cap
.ampdu_factor
) ||
1093 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1094 sband
->ht_cap
.ampdu_density
)))
1098 if (sband
->vht_cap
.vht_supported
&&
1099 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1100 sizeof(sband
->vht_cap
.vht_mcs
),
1101 &sband
->vht_cap
.vht_mcs
) ||
1102 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1103 sband
->vht_cap
.cap
)))
1107 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1111 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1112 nl_rate
= nla_nest_start(msg
, i
);
1116 rate
= &sband
->bitrates
[i
];
1117 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1120 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1122 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1125 nla_nest_end(msg
, nl_rate
);
1128 nla_nest_end(msg
, nl_rates
);
1134 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1135 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1138 struct nlattr
*nl_ftypes
, *nl_ifs
;
1139 enum nl80211_iftype ift
;
1145 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1149 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1150 nl_ftypes
= nla_nest_start(msg
, ift
);
1154 stypes
= mgmt_stypes
[ift
].tx
;
1157 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1158 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1163 nla_nest_end(msg
, nl_ftypes
);
1166 nla_nest_end(msg
, nl_ifs
);
1168 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1172 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1173 nl_ftypes
= nla_nest_start(msg
, ift
);
1177 stypes
= mgmt_stypes
[ift
].rx
;
1180 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1181 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1186 nla_nest_end(msg
, nl_ftypes
);
1188 nla_nest_end(msg
, nl_ifs
);
1193 struct nl80211_dump_wiphy_state
{
1196 long split_start
, band_start
, chan_start
;
1200 static int nl80211_send_wiphy(struct cfg80211_registered_device
*dev
,
1201 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1202 int flags
, struct nl80211_dump_wiphy_state
*state
)
1205 struct nlattr
*nl_bands
, *nl_band
;
1206 struct nlattr
*nl_freqs
, *nl_freq
;
1207 struct nlattr
*nl_cmds
;
1208 enum ieee80211_band band
;
1209 struct ieee80211_channel
*chan
;
1211 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1212 dev
->wiphy
.mgmt_stypes
;
1215 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
1219 if (WARN_ON(!state
))
1222 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
1223 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1224 wiphy_name(&dev
->wiphy
)) ||
1225 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1226 cfg80211_rdev_list_generation
))
1227 goto nla_put_failure
;
1229 switch (state
->split_start
) {
1231 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1232 dev
->wiphy
.retry_short
) ||
1233 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1234 dev
->wiphy
.retry_long
) ||
1235 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1236 dev
->wiphy
.frag_threshold
) ||
1237 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1238 dev
->wiphy
.rts_threshold
) ||
1239 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1240 dev
->wiphy
.coverage_class
) ||
1241 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1242 dev
->wiphy
.max_scan_ssids
) ||
1243 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1244 dev
->wiphy
.max_sched_scan_ssids
) ||
1245 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1246 dev
->wiphy
.max_scan_ie_len
) ||
1247 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1248 dev
->wiphy
.max_sched_scan_ie_len
) ||
1249 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1250 dev
->wiphy
.max_match_sets
))
1251 goto nla_put_failure
;
1253 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1254 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1255 goto nla_put_failure
;
1256 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1257 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1258 goto nla_put_failure
;
1259 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1260 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1261 goto nla_put_failure
;
1262 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1263 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1264 goto nla_put_failure
;
1265 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1266 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1267 goto nla_put_failure
;
1268 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1269 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1270 goto nla_put_failure
;
1271 state
->split_start
++;
1275 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1276 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
1277 dev
->wiphy
.cipher_suites
))
1278 goto nla_put_failure
;
1280 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1281 dev
->wiphy
.max_num_pmkids
))
1282 goto nla_put_failure
;
1284 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1285 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1286 goto nla_put_failure
;
1288 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1289 dev
->wiphy
.available_antennas_tx
) ||
1290 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1291 dev
->wiphy
.available_antennas_rx
))
1292 goto nla_put_failure
;
1294 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1295 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1296 dev
->wiphy
.probe_resp_offload
))
1297 goto nla_put_failure
;
1299 if ((dev
->wiphy
.available_antennas_tx
||
1300 dev
->wiphy
.available_antennas_rx
) &&
1301 dev
->ops
->get_antenna
) {
1302 u32 tx_ant
= 0, rx_ant
= 0;
1304 res
= rdev_get_antenna(dev
, &tx_ant
, &rx_ant
);
1306 if (nla_put_u32(msg
,
1307 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1310 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1312 goto nla_put_failure
;
1316 state
->split_start
++;
1320 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1321 dev
->wiphy
.interface_modes
))
1322 goto nla_put_failure
;
1323 state
->split_start
++;
1327 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1329 goto nla_put_failure
;
1331 for (band
= state
->band_start
;
1332 band
< IEEE80211_NUM_BANDS
; band
++) {
1333 struct ieee80211_supported_band
*sband
;
1335 sband
= dev
->wiphy
.bands
[band
];
1340 nl_band
= nla_nest_start(msg
, band
);
1342 goto nla_put_failure
;
1344 switch (state
->chan_start
) {
1346 if (nl80211_send_band_rateinfo(msg
, sband
))
1347 goto nla_put_failure
;
1348 state
->chan_start
++;
1352 /* add frequencies */
1353 nl_freqs
= nla_nest_start(
1354 msg
, NL80211_BAND_ATTR_FREQS
);
1356 goto nla_put_failure
;
1358 for (i
= state
->chan_start
- 1;
1359 i
< sband
->n_channels
;
1361 nl_freq
= nla_nest_start(msg
, i
);
1363 goto nla_put_failure
;
1365 chan
= &sband
->channels
[i
];
1367 if (nl80211_msg_put_channel(
1370 goto nla_put_failure
;
1372 nla_nest_end(msg
, nl_freq
);
1376 if (i
< sband
->n_channels
)
1377 state
->chan_start
= i
+ 2;
1379 state
->chan_start
= 0;
1380 nla_nest_end(msg
, nl_freqs
);
1383 nla_nest_end(msg
, nl_band
);
1386 /* start again here */
1387 if (state
->chan_start
)
1392 nla_nest_end(msg
, nl_bands
);
1394 if (band
< IEEE80211_NUM_BANDS
)
1395 state
->band_start
= band
+ 1;
1397 state
->band_start
= 0;
1399 /* if bands & channels are done, continue outside */
1400 if (state
->band_start
== 0 && state
->chan_start
== 0)
1401 state
->split_start
++;
1405 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1407 goto nla_put_failure
;
1410 #define CMD(op, n) \
1412 if (dev->ops->op) { \
1414 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1415 goto nla_put_failure; \
1419 CMD(add_virtual_intf
, NEW_INTERFACE
);
1420 CMD(change_virtual_intf
, SET_INTERFACE
);
1421 CMD(add_key
, NEW_KEY
);
1422 CMD(start_ap
, START_AP
);
1423 CMD(add_station
, NEW_STATION
);
1424 CMD(add_mpath
, NEW_MPATH
);
1425 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1426 CMD(change_bss
, SET_BSS
);
1427 CMD(auth
, AUTHENTICATE
);
1428 CMD(assoc
, ASSOCIATE
);
1429 CMD(deauth
, DEAUTHENTICATE
);
1430 CMD(disassoc
, DISASSOCIATE
);
1431 CMD(join_ibss
, JOIN_IBSS
);
1432 CMD(join_mesh
, JOIN_MESH
);
1433 CMD(set_pmksa
, SET_PMKSA
);
1434 CMD(del_pmksa
, DEL_PMKSA
);
1435 CMD(flush_pmksa
, FLUSH_PMKSA
);
1436 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1437 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1438 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1439 CMD(mgmt_tx
, FRAME
);
1440 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1441 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1443 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1444 goto nla_put_failure
;
1446 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1447 dev
->ops
->join_mesh
) {
1449 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1450 goto nla_put_failure
;
1452 CMD(set_wds_peer
, SET_WDS_PEER
);
1453 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1454 CMD(tdls_mgmt
, TDLS_MGMT
);
1455 CMD(tdls_oper
, TDLS_OPER
);
1457 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1458 CMD(sched_scan_start
, START_SCHED_SCAN
);
1459 CMD(probe_client
, PROBE_CLIENT
);
1460 CMD(set_noack_map
, SET_NOACK_MAP
);
1461 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1463 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1464 goto nla_put_failure
;
1466 CMD(start_p2p_device
, START_P2P_DEVICE
);
1467 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1469 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1470 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1471 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1472 CMD(channel_switch
, CHANNEL_SWITCH
);
1474 CMD(set_qos_map
, SET_QOS_MAP
);
1476 #ifdef CONFIG_NL80211_TESTMODE
1477 CMD(testmode_cmd
, TESTMODE
);
1482 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1484 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1485 goto nla_put_failure
;
1488 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1490 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1491 goto nla_put_failure
;
1494 nla_nest_end(msg
, nl_cmds
);
1495 state
->split_start
++;
1499 if (dev
->ops
->remain_on_channel
&&
1500 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1502 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1503 dev
->wiphy
.max_remain_on_channel_duration
))
1504 goto nla_put_failure
;
1506 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1507 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1508 goto nla_put_failure
;
1510 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1511 goto nla_put_failure
;
1512 state
->split_start
++;
1517 if (nl80211_send_wowlan(msg
, dev
, state
->split
))
1518 goto nla_put_failure
;
1519 state
->split_start
++;
1523 state
->split_start
++;
1526 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1527 dev
->wiphy
.software_iftypes
))
1528 goto nla_put_failure
;
1530 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
,
1532 goto nla_put_failure
;
1534 state
->split_start
++;
1538 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1539 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1540 dev
->wiphy
.ap_sme_capa
))
1541 goto nla_put_failure
;
1543 features
= dev
->wiphy
.features
;
1545 * We can only add the per-channel limit information if the
1546 * dump is split, otherwise it makes it too big. Therefore
1547 * only advertise it in that case.
1550 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1551 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1552 goto nla_put_failure
;
1554 if (dev
->wiphy
.ht_capa_mod_mask
&&
1555 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1556 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1557 dev
->wiphy
.ht_capa_mod_mask
))
1558 goto nla_put_failure
;
1560 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1561 dev
->wiphy
.max_acl_mac_addrs
&&
1562 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1563 dev
->wiphy
.max_acl_mac_addrs
))
1564 goto nla_put_failure
;
1567 * Any information below this point is only available to
1568 * applications that can deal with it being split. This
1569 * helps ensure that newly added capabilities don't break
1570 * older tools by overrunning their buffers.
1572 * We still increment split_start so that in the split
1573 * case we'll continue with more data in the next round,
1574 * but break unconditionally so unsplit data stops here.
1576 state
->split_start
++;
1579 if (dev
->wiphy
.extended_capabilities
&&
1580 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1581 dev
->wiphy
.extended_capabilities_len
,
1582 dev
->wiphy
.extended_capabilities
) ||
1583 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1584 dev
->wiphy
.extended_capabilities_len
,
1585 dev
->wiphy
.extended_capabilities_mask
)))
1586 goto nla_put_failure
;
1588 if (dev
->wiphy
.vht_capa_mod_mask
&&
1589 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1590 sizeof(*dev
->wiphy
.vht_capa_mod_mask
),
1591 dev
->wiphy
.vht_capa_mod_mask
))
1592 goto nla_put_failure
;
1594 state
->split_start
++;
1597 if (nl80211_send_coalesce(msg
, dev
))
1598 goto nla_put_failure
;
1600 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1601 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1602 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1603 goto nla_put_failure
;
1605 if (dev
->wiphy
.max_ap_assoc_sta
&&
1606 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1607 dev
->wiphy
.max_ap_assoc_sta
))
1608 goto nla_put_failure
;
1610 state
->split_start
++;
1613 if (dev
->wiphy
.n_vendor_commands
) {
1614 const struct nl80211_vendor_cmd_info
*info
;
1615 struct nlattr
*nested
;
1617 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1619 goto nla_put_failure
;
1621 for (i
= 0; i
< dev
->wiphy
.n_vendor_commands
; i
++) {
1622 info
= &dev
->wiphy
.vendor_commands
[i
].info
;
1623 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1624 goto nla_put_failure
;
1626 nla_nest_end(msg
, nested
);
1629 if (dev
->wiphy
.n_vendor_events
) {
1630 const struct nl80211_vendor_cmd_info
*info
;
1631 struct nlattr
*nested
;
1633 nested
= nla_nest_start(msg
,
1634 NL80211_ATTR_VENDOR_EVENTS
);
1636 goto nla_put_failure
;
1638 for (i
= 0; i
< dev
->wiphy
.n_vendor_events
; i
++) {
1639 info
= &dev
->wiphy
.vendor_events
[i
];
1640 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1641 goto nla_put_failure
;
1643 nla_nest_end(msg
, nested
);
1647 state
->split_start
= 0;
1650 return genlmsg_end(msg
, hdr
);
1653 genlmsg_cancel(msg
, hdr
);
1657 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1658 struct netlink_callback
*cb
,
1659 struct nl80211_dump_wiphy_state
*state
)
1661 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1662 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1663 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1664 /* ignore parse errors for backward compatibility */
1668 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1669 if (tb
[NL80211_ATTR_WIPHY
])
1670 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1671 if (tb
[NL80211_ATTR_WDEV
])
1672 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1673 if (tb
[NL80211_ATTR_IFINDEX
]) {
1674 struct net_device
*netdev
;
1675 struct cfg80211_registered_device
*rdev
;
1676 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1678 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1681 if (netdev
->ieee80211_ptr
) {
1682 rdev
= wiphy_to_dev(
1683 netdev
->ieee80211_ptr
->wiphy
);
1684 state
->filter_wiphy
= rdev
->wiphy_idx
;
1691 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1694 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1695 struct cfg80211_registered_device
*dev
;
1699 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1704 state
->filter_wiphy
= -1;
1705 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1711 cb
->args
[0] = (long)state
;
1714 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1715 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1717 if (++idx
<= state
->start
)
1719 if (state
->filter_wiphy
!= -1 &&
1720 state
->filter_wiphy
!= dev
->wiphy_idx
)
1722 /* attempt to fit multiple wiphy data chunks into the skb */
1724 ret
= nl80211_send_wiphy(dev
, skb
,
1725 NETLINK_CB(cb
->skb
).portid
,
1727 NLM_F_MULTI
, state
);
1730 * If sending the wiphy data didn't fit (ENOBUFS
1731 * or EMSGSIZE returned), this SKB is still
1732 * empty (so it's not too big because another
1733 * wiphy dataset is already in the skb) and
1734 * we've not tried to adjust the dump allocation
1735 * yet ... then adjust the alloc size to be
1736 * bigger, and return 1 but with the empty skb.
1737 * This results in an empty message being RX'ed
1738 * in userspace, but that is ignored.
1740 * We can then retry with the larger buffer.
1742 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1744 cb
->min_dump_alloc
< 4096) {
1745 cb
->min_dump_alloc
= 4096;
1752 } while (state
->split_start
> 0);
1762 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1764 kfree((void *)cb
->args
[0]);
1768 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1770 struct sk_buff
*msg
;
1771 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1772 struct nl80211_dump_wiphy_state state
= {};
1774 msg
= nlmsg_new(4096, GFP_KERNEL
);
1778 if (nl80211_send_wiphy(dev
, msg
, info
->snd_portid
, info
->snd_seq
, 0,
1784 return genlmsg_reply(msg
, info
);
1787 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1788 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1789 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1790 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1791 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1792 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1795 static int parse_txq_params(struct nlattr
*tb
[],
1796 struct ieee80211_txq_params
*txq_params
)
1798 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1799 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1800 !tb
[NL80211_TXQ_ATTR_AIFS
])
1803 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1804 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1805 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1806 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1807 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1809 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1815 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1818 * You can only set the channel explicitly for WDS interfaces,
1819 * all others have their channel managed via their respective
1820 * "establish a connection" command (connect, join, ...)
1822 * For AP/GO and mesh mode, the channel can be set with the
1823 * channel userspace API, but is only stored and passed to the
1824 * low-level driver when the AP starts or the mesh is joined.
1825 * This is for backward compatibility, userspace can also give
1826 * the channel in the start-ap or join-mesh commands instead.
1828 * Monitors are special as they are normally slaved to
1829 * whatever else is going on, so they have their own special
1830 * operation to set the monitor channel if possible.
1833 wdev
->iftype
== NL80211_IFTYPE_AP
||
1834 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1835 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1836 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1839 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1840 struct genl_info
*info
,
1841 struct cfg80211_chan_def
*chandef
)
1845 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1848 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1850 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1851 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1852 chandef
->center_freq1
= control_freq
;
1853 chandef
->center_freq2
= 0;
1855 /* Primary channel not allowed */
1856 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1859 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1860 enum nl80211_channel_type chantype
;
1862 chantype
= nla_get_u32(
1863 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1866 case NL80211_CHAN_NO_HT
:
1867 case NL80211_CHAN_HT20
:
1868 case NL80211_CHAN_HT40PLUS
:
1869 case NL80211_CHAN_HT40MINUS
:
1870 cfg80211_chandef_create(chandef
, chandef
->chan
,
1876 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1878 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1879 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1880 chandef
->center_freq1
=
1882 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1883 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1884 chandef
->center_freq2
=
1886 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1889 if (!cfg80211_chandef_valid(chandef
))
1892 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1893 IEEE80211_CHAN_DISABLED
))
1896 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1897 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1898 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1904 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1905 struct wireless_dev
*wdev
,
1906 struct genl_info
*info
)
1908 struct cfg80211_chan_def chandef
;
1910 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1913 iftype
= wdev
->iftype
;
1915 if (!nl80211_can_set_dev_channel(wdev
))
1918 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1923 case NL80211_IFTYPE_AP
:
1924 case NL80211_IFTYPE_P2P_GO
:
1925 if (wdev
->beacon_interval
) {
1929 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
)) {
1933 wdev
->preset_chandef
= chandef
;
1936 case NL80211_IFTYPE_MESH_POINT
:
1937 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1939 case NL80211_IFTYPE_MONITOR
:
1940 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
1949 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1951 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1952 struct net_device
*netdev
= info
->user_ptr
[1];
1954 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1957 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1959 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1960 struct net_device
*dev
= info
->user_ptr
[1];
1961 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1964 if (!info
->attrs
[NL80211_ATTR_MAC
])
1967 if (netif_running(dev
))
1970 if (!rdev
->ops
->set_wds_peer
)
1973 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1976 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1977 return rdev_set_wds_peer(rdev
, dev
, bssid
);
1981 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1983 struct cfg80211_registered_device
*rdev
;
1984 struct net_device
*netdev
= NULL
;
1985 struct wireless_dev
*wdev
;
1986 int result
= 0, rem_txq_params
= 0;
1987 struct nlattr
*nl_txq_params
;
1989 u8 retry_short
= 0, retry_long
= 0;
1990 u32 frag_threshold
= 0, rts_threshold
= 0;
1991 u8 coverage_class
= 0;
1996 * Try to find the wiphy and netdev. Normally this
1997 * function shouldn't need the netdev, but this is
1998 * done for backward compatibility -- previously
1999 * setting the channel was done per wiphy, but now
2000 * it is per netdev. Previous userland like hostapd
2001 * also passed a netdev to set_wiphy, so that it is
2002 * possible to let that go to the right netdev!
2005 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2006 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2008 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2009 if (netdev
&& netdev
->ieee80211_ptr
)
2010 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
2016 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2019 return PTR_ERR(rdev
);
2024 wdev
= netdev
->ieee80211_ptr
;
2027 * end workaround code, by now the rdev is available
2028 * and locked, and wdev may or may not be NULL.
2031 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2032 result
= cfg80211_dev_rename(
2033 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2038 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2039 struct ieee80211_txq_params txq_params
;
2040 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2042 if (!rdev
->ops
->set_txq_params
)
2048 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2049 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2052 if (!netif_running(netdev
))
2055 nla_for_each_nested(nl_txq_params
,
2056 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2058 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2059 nla_data(nl_txq_params
),
2060 nla_len(nl_txq_params
),
2064 result
= parse_txq_params(tb
, &txq_params
);
2068 result
= rdev_set_txq_params(rdev
, netdev
,
2075 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2076 result
= __nl80211_set_channel(rdev
,
2077 nl80211_can_set_dev_channel(wdev
) ? wdev
: NULL
,
2083 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2084 struct wireless_dev
*txp_wdev
= wdev
;
2085 enum nl80211_tx_power_setting type
;
2088 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2091 if (!rdev
->ops
->set_tx_power
)
2094 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2095 type
= nla_get_u32(info
->attrs
[idx
]);
2097 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2098 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2101 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2102 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2103 mbm
= nla_get_u32(info
->attrs
[idx
]);
2106 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2111 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2112 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2114 if ((!rdev
->wiphy
.available_antennas_tx
&&
2115 !rdev
->wiphy
.available_antennas_rx
) ||
2116 !rdev
->ops
->set_antenna
)
2119 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2120 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2122 /* reject antenna configurations which don't match the
2123 * available antenna masks, except for the "all" mask */
2124 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2125 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2128 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2129 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2131 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2138 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2139 retry_short
= nla_get_u8(
2140 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2141 if (retry_short
== 0)
2144 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2147 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2148 retry_long
= nla_get_u8(
2149 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2150 if (retry_long
== 0)
2153 changed
|= WIPHY_PARAM_RETRY_LONG
;
2156 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2157 frag_threshold
= nla_get_u32(
2158 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2159 if (frag_threshold
< 256)
2162 if (frag_threshold
!= (u32
) -1) {
2164 * Fragments (apart from the last one) are required to
2165 * have even length. Make the fragmentation code
2166 * simpler by stripping LSB should someone try to use
2167 * odd threshold value.
2169 frag_threshold
&= ~0x1;
2171 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2174 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2175 rts_threshold
= nla_get_u32(
2176 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2177 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2180 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2181 coverage_class
= nla_get_u8(
2182 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2183 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2187 u8 old_retry_short
, old_retry_long
;
2188 u32 old_frag_threshold
, old_rts_threshold
;
2189 u8 old_coverage_class
;
2191 if (!rdev
->ops
->set_wiphy_params
)
2194 old_retry_short
= rdev
->wiphy
.retry_short
;
2195 old_retry_long
= rdev
->wiphy
.retry_long
;
2196 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2197 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2198 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2200 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2201 rdev
->wiphy
.retry_short
= retry_short
;
2202 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2203 rdev
->wiphy
.retry_long
= retry_long
;
2204 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2205 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2206 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2207 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2208 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2209 rdev
->wiphy
.coverage_class
= coverage_class
;
2211 result
= rdev_set_wiphy_params(rdev
, changed
);
2213 rdev
->wiphy
.retry_short
= old_retry_short
;
2214 rdev
->wiphy
.retry_long
= old_retry_long
;
2215 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2216 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2217 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2223 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2225 return (u64
)wdev
->identifier
|
2226 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
2229 static int nl80211_send_chandef(struct sk_buff
*msg
,
2230 const struct cfg80211_chan_def
*chandef
)
2232 WARN_ON(!cfg80211_chandef_valid(chandef
));
2234 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2235 chandef
->chan
->center_freq
))
2237 switch (chandef
->width
) {
2238 case NL80211_CHAN_WIDTH_20_NOHT
:
2239 case NL80211_CHAN_WIDTH_20
:
2240 case NL80211_CHAN_WIDTH_40
:
2241 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2242 cfg80211_get_chandef_type(chandef
)))
2248 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2250 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2252 if (chandef
->center_freq2
&&
2253 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2258 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2259 struct cfg80211_registered_device
*rdev
,
2260 struct wireless_dev
*wdev
)
2262 struct net_device
*dev
= wdev
->netdev
;
2265 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2270 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2271 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2272 goto nla_put_failure
;
2274 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2275 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2276 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2277 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2278 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2279 rdev
->devlist_generation
^
2280 (cfg80211_rdev_list_generation
<< 2)))
2281 goto nla_put_failure
;
2283 if (rdev
->ops
->get_channel
) {
2285 struct cfg80211_chan_def chandef
;
2287 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2289 if (nl80211_send_chandef(msg
, &chandef
))
2290 goto nla_put_failure
;
2294 if (wdev
->ssid_len
) {
2295 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2296 goto nla_put_failure
;
2299 return genlmsg_end(msg
, hdr
);
2302 genlmsg_cancel(msg
, hdr
);
2306 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2310 int wp_start
= cb
->args
[0];
2311 int if_start
= cb
->args
[1];
2312 struct cfg80211_registered_device
*rdev
;
2313 struct wireless_dev
*wdev
;
2316 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2317 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2319 if (wp_idx
< wp_start
) {
2325 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2326 if (if_idx
< if_start
) {
2330 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2331 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2343 cb
->args
[0] = wp_idx
;
2344 cb
->args
[1] = if_idx
;
2349 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2351 struct sk_buff
*msg
;
2352 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
2353 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2355 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2359 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2365 return genlmsg_reply(msg
, info
);
2368 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2369 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2370 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2371 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2372 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2373 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2374 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2377 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2379 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2387 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2388 nla
, mntr_flags_policy
))
2391 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2393 *mntrflags
|= (1<<flag
);
2398 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2399 struct net_device
*netdev
, u8 use_4addr
,
2400 enum nl80211_iftype iftype
)
2403 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2409 case NL80211_IFTYPE_AP_VLAN
:
2410 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2413 case NL80211_IFTYPE_STATION
:
2414 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2424 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2426 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2427 struct vif_params params
;
2429 enum nl80211_iftype otype
, ntype
;
2430 struct net_device
*dev
= info
->user_ptr
[1];
2431 u32 _flags
, *flags
= NULL
;
2432 bool change
= false;
2434 memset(¶ms
, 0, sizeof(params
));
2436 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2438 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2439 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2442 if (ntype
> NL80211_IFTYPE_MAX
)
2446 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2447 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2449 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2451 if (netif_running(dev
))
2455 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2456 IEEE80211_MAX_MESH_ID_LEN
);
2457 wdev
->mesh_id_up_len
=
2458 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2459 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2460 wdev
->mesh_id_up_len
);
2464 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2465 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2467 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2471 params
.use_4addr
= -1;
2474 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2475 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2477 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2486 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2487 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2491 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2495 if (!err
&& params
.use_4addr
!= -1)
2496 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2501 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2503 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2504 struct vif_params params
;
2505 struct wireless_dev
*wdev
;
2506 struct sk_buff
*msg
;
2508 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2511 memset(¶ms
, 0, sizeof(params
));
2513 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2516 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2517 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2518 if (type
> NL80211_IFTYPE_MAX
)
2522 if (!rdev
->ops
->add_virtual_intf
||
2523 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2526 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2527 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2529 if (!is_valid_ether_addr(params
.macaddr
))
2530 return -EADDRNOTAVAIL
;
2533 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2534 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2535 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2540 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2544 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2545 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2548 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2549 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2552 wdev
= rdev_add_virtual_intf(rdev
,
2553 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2554 type
, err
? NULL
: &flags
, ¶ms
);
2557 return PTR_ERR(wdev
);
2561 case NL80211_IFTYPE_MESH_POINT
:
2562 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2565 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2566 IEEE80211_MAX_MESH_ID_LEN
);
2567 wdev
->mesh_id_up_len
=
2568 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2569 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2570 wdev
->mesh_id_up_len
);
2573 case NL80211_IFTYPE_P2P_DEVICE
:
2575 * P2P Device doesn't have a netdev, so doesn't go
2576 * through the netdev notifier and must be added here
2578 mutex_init(&wdev
->mtx
);
2579 INIT_LIST_HEAD(&wdev
->event_list
);
2580 spin_lock_init(&wdev
->event_lock
);
2581 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2582 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2584 wdev
->identifier
= ++rdev
->wdev_id
;
2585 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2586 rdev
->devlist_generation
++;
2592 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2598 return genlmsg_reply(msg
, info
);
2601 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2603 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2604 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2606 if (!rdev
->ops
->del_virtual_intf
)
2610 * If we remove a wireless device without a netdev then clear
2611 * user_ptr[1] so that nl80211_post_doit won't dereference it
2612 * to check if it needs to do dev_put(). Otherwise it crashes
2613 * since the wdev has been freed, unlike with a netdev where
2614 * we need the dev_put() for the netdev to really be freed.
2617 info
->user_ptr
[1] = NULL
;
2619 return rdev_del_virtual_intf(rdev
, wdev
);
2622 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2624 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2625 struct net_device
*dev
= info
->user_ptr
[1];
2628 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2631 if (!rdev
->ops
->set_noack_map
)
2634 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2636 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2639 struct get_key_cookie
{
2640 struct sk_buff
*msg
;
2645 static void get_key_callback(void *c
, struct key_params
*params
)
2648 struct get_key_cookie
*cookie
= c
;
2651 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2652 params
->key_len
, params
->key
)) ||
2654 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2655 params
->seq_len
, params
->seq
)) ||
2657 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2659 goto nla_put_failure
;
2661 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2663 goto nla_put_failure
;
2666 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2667 params
->key_len
, params
->key
)) ||
2669 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2670 params
->seq_len
, params
->seq
)) ||
2672 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2674 goto nla_put_failure
;
2676 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2677 goto nla_put_failure
;
2679 nla_nest_end(cookie
->msg
, key
);
2686 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2688 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2690 struct net_device
*dev
= info
->user_ptr
[1];
2692 const u8
*mac_addr
= NULL
;
2694 struct get_key_cookie cookie
= {
2698 struct sk_buff
*msg
;
2700 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2701 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2706 if (info
->attrs
[NL80211_ATTR_MAC
])
2707 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2709 pairwise
= !!mac_addr
;
2710 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2711 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2712 if (kt
>= NUM_NL80211_KEYTYPES
)
2714 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2715 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2717 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2720 if (!rdev
->ops
->get_key
)
2723 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2727 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2728 NL80211_CMD_NEW_KEY
);
2730 goto nla_put_failure
;
2733 cookie
.idx
= key_idx
;
2735 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2736 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2737 goto nla_put_failure
;
2739 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2740 goto nla_put_failure
;
2742 if (pairwise
&& mac_addr
&&
2743 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2746 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2753 goto nla_put_failure
;
2755 genlmsg_end(msg
, hdr
);
2756 return genlmsg_reply(msg
, info
);
2765 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2767 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2768 struct key_parse key
;
2770 struct net_device
*dev
= info
->user_ptr
[1];
2772 err
= nl80211_parse_key(info
, &key
);
2779 /* only support setting default key */
2780 if (!key
.def
&& !key
.defmgmt
)
2783 wdev_lock(dev
->ieee80211_ptr
);
2786 if (!rdev
->ops
->set_default_key
) {
2791 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2795 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2796 key
.def_uni
, key
.def_multi
);
2801 #ifdef CONFIG_CFG80211_WEXT
2802 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2805 if (key
.def_uni
|| !key
.def_multi
) {
2810 if (!rdev
->ops
->set_default_mgmt_key
) {
2815 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2819 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2823 #ifdef CONFIG_CFG80211_WEXT
2824 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2829 wdev_unlock(dev
->ieee80211_ptr
);
2834 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2836 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2838 struct net_device
*dev
= info
->user_ptr
[1];
2839 struct key_parse key
;
2840 const u8
*mac_addr
= NULL
;
2842 err
= nl80211_parse_key(info
, &key
);
2849 if (info
->attrs
[NL80211_ATTR_MAC
])
2850 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2852 if (key
.type
== -1) {
2854 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2856 key
.type
= NL80211_KEYTYPE_GROUP
;
2860 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2861 key
.type
!= NL80211_KEYTYPE_GROUP
)
2864 if (!rdev
->ops
->add_key
)
2867 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2868 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2872 wdev_lock(dev
->ieee80211_ptr
);
2873 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2875 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2876 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2878 wdev_unlock(dev
->ieee80211_ptr
);
2883 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2885 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2887 struct net_device
*dev
= info
->user_ptr
[1];
2888 u8
*mac_addr
= NULL
;
2889 struct key_parse key
;
2891 err
= nl80211_parse_key(info
, &key
);
2895 if (info
->attrs
[NL80211_ATTR_MAC
])
2896 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2898 if (key
.type
== -1) {
2900 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2902 key
.type
= NL80211_KEYTYPE_GROUP
;
2906 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2907 key
.type
!= NL80211_KEYTYPE_GROUP
)
2910 if (!rdev
->ops
->del_key
)
2913 wdev_lock(dev
->ieee80211_ptr
);
2914 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2916 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2917 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2921 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2922 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2925 #ifdef CONFIG_CFG80211_WEXT
2927 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2928 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2929 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2930 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2933 wdev_unlock(dev
->ieee80211_ptr
);
2938 /* This function returns an error or the number of nested attributes */
2939 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
2941 struct nlattr
*attr
;
2942 int n_entries
= 0, tmp
;
2944 nla_for_each_nested(attr
, nl_attr
, tmp
) {
2945 if (nla_len(attr
) != ETH_ALEN
)
2955 * This function parses ACL information and allocates memory for ACL data.
2956 * On successful return, the calling function is responsible to free the
2957 * ACL buffer returned by this function.
2959 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
2960 struct genl_info
*info
)
2962 enum nl80211_acl_policy acl_policy
;
2963 struct nlattr
*attr
;
2964 struct cfg80211_acl_data
*acl
;
2965 int i
= 0, n_entries
, tmp
;
2967 if (!wiphy
->max_acl_mac_addrs
)
2968 return ERR_PTR(-EOPNOTSUPP
);
2970 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
2971 return ERR_PTR(-EINVAL
);
2973 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
2974 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
2975 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
2976 return ERR_PTR(-EINVAL
);
2978 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
2979 return ERR_PTR(-EINVAL
);
2981 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
2983 return ERR_PTR(n_entries
);
2985 if (n_entries
> wiphy
->max_acl_mac_addrs
)
2986 return ERR_PTR(-ENOTSUPP
);
2988 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
2991 return ERR_PTR(-ENOMEM
);
2993 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
2994 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
2998 acl
->n_acl_entries
= n_entries
;
2999 acl
->acl_policy
= acl_policy
;
3004 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3006 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3007 struct net_device
*dev
= info
->user_ptr
[1];
3008 struct cfg80211_acl_data
*acl
;
3011 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3012 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3015 if (!dev
->ieee80211_ptr
->beacon_interval
)
3018 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3020 return PTR_ERR(acl
);
3022 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3029 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3030 struct cfg80211_beacon_data
*bcn
)
3032 bool haveinfo
= false;
3034 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3035 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3036 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3037 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3040 memset(bcn
, 0, sizeof(*bcn
));
3042 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3043 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3044 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3050 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3051 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3052 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3059 if (attrs
[NL80211_ATTR_IE
]) {
3060 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3061 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3064 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3065 bcn
->proberesp_ies
=
3066 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3067 bcn
->proberesp_ies_len
=
3068 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3071 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3072 bcn
->assocresp_ies
=
3073 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3074 bcn
->assocresp_ies_len
=
3075 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3078 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3079 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3080 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3086 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3087 struct cfg80211_ap_settings
*params
)
3089 struct wireless_dev
*wdev
;
3092 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3093 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3094 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3097 if (!wdev
->preset_chandef
.chan
)
3100 params
->chandef
= wdev
->preset_chandef
;
3108 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3109 enum nl80211_auth_type auth_type
,
3110 enum nl80211_commands cmd
)
3112 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3116 case NL80211_CMD_AUTHENTICATE
:
3117 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3118 auth_type
== NL80211_AUTHTYPE_SAE
)
3121 case NL80211_CMD_CONNECT
:
3122 case NL80211_CMD_START_AP
:
3123 /* SAE not supported yet */
3124 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3132 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3134 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3135 struct net_device
*dev
= info
->user_ptr
[1];
3136 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3137 struct cfg80211_ap_settings params
;
3139 u8 radar_detect_width
= 0;
3141 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3142 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3145 if (!rdev
->ops
->start_ap
)
3148 if (wdev
->beacon_interval
)
3151 memset(¶ms
, 0, sizeof(params
));
3153 /* these are required for START_AP */
3154 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3155 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3156 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3159 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3163 params
.beacon_interval
=
3164 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3165 params
.dtim_period
=
3166 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3168 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3173 * In theory, some of these attributes should be required here
3174 * but since they were not used when the command was originally
3175 * added, keep them optional for old user space programs to let
3176 * them continue to work with drivers that do not need the
3177 * additional information -- drivers must check!
3179 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3180 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3182 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3183 if (params
.ssid_len
== 0 ||
3184 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3188 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3189 params
.hidden_ssid
= nla_get_u32(
3190 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3191 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3192 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3193 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3197 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3199 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3200 params
.auth_type
= nla_get_u32(
3201 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3202 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3203 NL80211_CMD_START_AP
))
3206 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3208 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3209 NL80211_MAX_NR_CIPHER_SUITES
);
3213 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3214 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3216 params
.inactivity_timeout
= nla_get_u16(
3217 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3220 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3221 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3223 params
.p2p_ctwindow
=
3224 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3225 if (params
.p2p_ctwindow
> 127)
3227 if (params
.p2p_ctwindow
!= 0 &&
3228 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3232 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3235 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3237 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3240 params
.p2p_opp_ps
= tmp
;
3241 if (params
.p2p_opp_ps
!= 0 &&
3242 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3246 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3247 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3250 } else if (wdev
->preset_chandef
.chan
) {
3251 params
.chandef
= wdev
->preset_chandef
;
3252 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3255 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
3258 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, ¶ms
.chandef
);
3262 radar_detect_width
= BIT(params
.chandef
.width
);
3263 params
.radar_required
= true;
3266 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
3267 params
.chandef
.chan
,
3269 radar_detect_width
);
3273 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3274 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3275 if (IS_ERR(params
.acl
))
3276 return PTR_ERR(params
.acl
);
3280 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3282 wdev
->preset_chandef
= params
.chandef
;
3283 wdev
->beacon_interval
= params
.beacon_interval
;
3284 wdev
->channel
= params
.chandef
.chan
;
3285 wdev
->ssid_len
= params
.ssid_len
;
3286 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3295 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3297 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3298 struct net_device
*dev
= info
->user_ptr
[1];
3299 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3300 struct cfg80211_beacon_data params
;
3303 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3304 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3307 if (!rdev
->ops
->change_beacon
)
3310 if (!wdev
->beacon_interval
)
3313 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3318 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3324 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3326 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3327 struct net_device
*dev
= info
->user_ptr
[1];
3329 return cfg80211_stop_ap(rdev
, dev
);
3332 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3333 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3334 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3335 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3336 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3337 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3338 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3341 static int parse_station_flags(struct genl_info
*info
,
3342 enum nl80211_iftype iftype
,
3343 struct station_parameters
*params
)
3345 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3350 * Try parsing the new attribute first so userspace
3351 * can specify both for older kernels.
3353 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3355 struct nl80211_sta_flag_update
*sta_flags
;
3357 sta_flags
= nla_data(nla
);
3358 params
->sta_flags_mask
= sta_flags
->mask
;
3359 params
->sta_flags_set
= sta_flags
->set
;
3360 params
->sta_flags_set
&= params
->sta_flags_mask
;
3361 if ((params
->sta_flags_mask
|
3362 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3367 /* if present, parse the old attribute */
3369 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3373 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3374 nla
, sta_flags_policy
))
3378 * Only allow certain flags for interface types so that
3379 * other attributes are silently ignored. Remember that
3380 * this is backward compatibility code with old userspace
3381 * and shouldn't be hit in other cases anyway.
3384 case NL80211_IFTYPE_AP
:
3385 case NL80211_IFTYPE_AP_VLAN
:
3386 case NL80211_IFTYPE_P2P_GO
:
3387 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3388 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3389 BIT(NL80211_STA_FLAG_WME
) |
3390 BIT(NL80211_STA_FLAG_MFP
);
3392 case NL80211_IFTYPE_P2P_CLIENT
:
3393 case NL80211_IFTYPE_STATION
:
3394 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3395 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3397 case NL80211_IFTYPE_MESH_POINT
:
3398 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3399 BIT(NL80211_STA_FLAG_MFP
) |
3400 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3405 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3407 params
->sta_flags_set
|= (1<<flag
);
3409 /* no longer support new API additions in old API */
3410 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3418 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3421 struct nlattr
*rate
;
3425 rate
= nla_nest_start(msg
, attr
);
3429 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3430 bitrate
= cfg80211_calculate_bitrate(info
);
3431 /* report 16-bit bitrate only if we can */
3432 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3434 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3436 if (bitrate_compat
> 0 &&
3437 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3440 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3441 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3443 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3444 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3446 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3447 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3449 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3450 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3452 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3454 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3455 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3457 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3458 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3460 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3461 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3463 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3464 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3466 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3467 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3471 nla_nest_end(msg
, rate
);
3475 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3484 attr
= nla_nest_start(msg
, id
);
3488 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3489 if (!(mask
& BIT(i
)))
3492 if (nla_put_u8(msg
, i
, signal
[i
]))
3496 nla_nest_end(msg
, attr
);
3501 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3503 struct cfg80211_registered_device
*rdev
,
3504 struct net_device
*dev
,
3505 const u8
*mac_addr
, struct station_info
*sinfo
)
3508 struct nlattr
*sinfoattr
, *bss_param
;
3510 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3514 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3515 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3516 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3517 goto nla_put_failure
;
3519 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3521 goto nla_put_failure
;
3522 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3523 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3524 sinfo
->connected_time
))
3525 goto nla_put_failure
;
3526 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3527 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3528 sinfo
->inactive_time
))
3529 goto nla_put_failure
;
3530 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3531 STATION_INFO_RX_BYTES64
)) &&
3532 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3533 (u32
)sinfo
->rx_bytes
))
3534 goto nla_put_failure
;
3535 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3536 STATION_INFO_TX_BYTES64
)) &&
3537 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3538 (u32
)sinfo
->tx_bytes
))
3539 goto nla_put_failure
;
3540 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3541 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3543 goto nla_put_failure
;
3544 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3545 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3547 goto nla_put_failure
;
3548 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3549 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3550 goto nla_put_failure
;
3551 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3552 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3553 goto nla_put_failure
;
3554 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3555 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3556 sinfo
->plink_state
))
3557 goto nla_put_failure
;
3558 switch (rdev
->wiphy
.signal_type
) {
3559 case CFG80211_SIGNAL_TYPE_MBM
:
3560 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3561 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3563 goto nla_put_failure
;
3564 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3565 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3567 goto nla_put_failure
;
3572 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3573 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3574 sinfo
->chain_signal
,
3575 NL80211_STA_INFO_CHAIN_SIGNAL
))
3576 goto nla_put_failure
;
3578 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3579 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3580 sinfo
->chain_signal_avg
,
3581 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3582 goto nla_put_failure
;
3584 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3585 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3586 NL80211_STA_INFO_TX_BITRATE
))
3587 goto nla_put_failure
;
3589 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3590 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3591 NL80211_STA_INFO_RX_BITRATE
))
3592 goto nla_put_failure
;
3594 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3595 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3597 goto nla_put_failure
;
3598 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3599 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3601 goto nla_put_failure
;
3602 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3603 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3605 goto nla_put_failure
;
3606 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3607 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3609 goto nla_put_failure
;
3610 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3611 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3612 sinfo
->beacon_loss_count
))
3613 goto nla_put_failure
;
3614 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3615 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3617 goto nla_put_failure
;
3618 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3619 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3621 goto nla_put_failure
;
3622 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3623 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3625 goto nla_put_failure
;
3626 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3627 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3629 goto nla_put_failure
;
3631 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3632 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3633 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3634 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3635 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3636 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3637 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3638 sinfo
->bss_param
.dtim_period
) ||
3639 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3640 sinfo
->bss_param
.beacon_interval
))
3641 goto nla_put_failure
;
3643 nla_nest_end(msg
, bss_param
);
3645 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3646 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3647 sizeof(struct nl80211_sta_flag_update
),
3649 goto nla_put_failure
;
3650 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3651 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3653 goto nla_put_failure
;
3654 nla_nest_end(msg
, sinfoattr
);
3656 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3657 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3658 sinfo
->assoc_req_ies
))
3659 goto nla_put_failure
;
3661 return genlmsg_end(msg
, hdr
);
3664 genlmsg_cancel(msg
, hdr
);
3668 static int nl80211_dump_station(struct sk_buff
*skb
,
3669 struct netlink_callback
*cb
)
3671 struct station_info sinfo
;
3672 struct cfg80211_registered_device
*dev
;
3673 struct wireless_dev
*wdev
;
3674 u8 mac_addr
[ETH_ALEN
];
3675 int sta_idx
= cb
->args
[2];
3678 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
3682 if (!wdev
->netdev
) {
3687 if (!dev
->ops
->dump_station
) {
3693 memset(&sinfo
, 0, sizeof(sinfo
));
3694 err
= rdev_dump_station(dev
, wdev
->netdev
, sta_idx
,
3701 if (nl80211_send_station(skb
,
3702 NETLINK_CB(cb
->skb
).portid
,
3703 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3704 dev
, wdev
->netdev
, mac_addr
,
3713 cb
->args
[2] = sta_idx
;
3716 nl80211_finish_wdev_dump(dev
);
3721 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3723 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3724 struct net_device
*dev
= info
->user_ptr
[1];
3725 struct station_info sinfo
;
3726 struct sk_buff
*msg
;
3727 u8
*mac_addr
= NULL
;
3730 memset(&sinfo
, 0, sizeof(sinfo
));
3732 if (!info
->attrs
[NL80211_ATTR_MAC
])
3735 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3737 if (!rdev
->ops
->get_station
)
3740 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3744 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3748 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3749 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3754 return genlmsg_reply(msg
, info
);
3757 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3758 struct station_parameters
*params
,
3759 enum cfg80211_station_type statype
)
3761 if (params
->listen_interval
!= -1)
3766 /* When you run into this, adjust the code below for the new flag */
3767 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3770 case CFG80211_STA_MESH_PEER_KERNEL
:
3771 case CFG80211_STA_MESH_PEER_USER
:
3773 * No ignoring the TDLS flag here -- the userspace mesh
3774 * code doesn't have the bug of including TDLS in the
3777 if (params
->sta_flags_mask
&
3778 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3779 BIT(NL80211_STA_FLAG_MFP
) |
3780 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3783 case CFG80211_STA_TDLS_PEER_SETUP
:
3784 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3785 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3787 /* ignore since it can't change */
3788 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3791 /* disallow mesh-specific things */
3792 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3794 if (params
->local_pm
)
3796 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3800 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3801 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3802 /* TDLS can't be set, ... */
3803 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3806 * ... but don't bother the driver with it. This works around
3807 * a hostapd/wpa_supplicant issue -- it always includes the
3808 * TLDS_PEER flag in the mask even for AP mode.
3810 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3813 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3814 /* reject other things that can't change */
3815 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3817 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3819 if (params
->supported_rates
)
3821 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3825 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3831 case CFG80211_STA_AP_MLME_CLIENT
:
3832 /* Use this only for authorizing/unauthorizing a station */
3833 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3836 case CFG80211_STA_AP_CLIENT
:
3837 /* accept only the listed bits */
3838 if (params
->sta_flags_mask
&
3839 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3840 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3841 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3842 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3843 BIT(NL80211_STA_FLAG_WME
) |
3844 BIT(NL80211_STA_FLAG_MFP
)))
3847 /* but authenticated/associated only if driver handles it */
3848 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3849 params
->sta_flags_mask
&
3850 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3851 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3854 case CFG80211_STA_IBSS
:
3855 case CFG80211_STA_AP_STA
:
3856 /* reject any changes other than AUTHORIZED */
3857 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3860 case CFG80211_STA_TDLS_PEER_SETUP
:
3861 /* reject any changes other than AUTHORIZED or WME */
3862 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3863 BIT(NL80211_STA_FLAG_WME
)))
3865 /* force (at least) rates when authorizing */
3866 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3867 !params
->supported_rates
)
3870 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3871 /* reject any changes */
3873 case CFG80211_STA_MESH_PEER_KERNEL
:
3874 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3877 case CFG80211_STA_MESH_PEER_USER
:
3878 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3885 EXPORT_SYMBOL(cfg80211_check_station_change
);
3888 * Get vlan interface making sure it is running and on the right wiphy.
3890 static struct net_device
*get_vlan(struct genl_info
*info
,
3891 struct cfg80211_registered_device
*rdev
)
3893 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3894 struct net_device
*v
;
3900 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3902 return ERR_PTR(-ENODEV
);
3904 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3909 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3910 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3911 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3916 if (!netif_running(v
)) {
3924 return ERR_PTR(ret
);
3927 static const struct nla_policy
3928 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
3929 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3930 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3933 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3934 struct station_parameters
*params
)
3936 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3940 /* parse WME attributes if present */
3941 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3944 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3945 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3946 nl80211_sta_wme_policy
);
3950 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3951 params
->uapsd_queues
= nla_get_u8(
3952 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3953 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3956 if (tb
[NL80211_STA_WME_MAX_SP
])
3957 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3959 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3962 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3967 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
3968 struct station_parameters
*params
)
3970 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
3971 params
->supported_channels
=
3972 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3973 params
->supported_channels_len
=
3974 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3976 * Need to include at least one (first channel, number of
3977 * channels) tuple for each subband, and must have proper
3978 * tuples for the rest of the data as well.
3980 if (params
->supported_channels_len
< 2)
3982 if (params
->supported_channels_len
% 2)
3986 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
3987 params
->supported_oper_classes
=
3988 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3989 params
->supported_oper_classes_len
=
3990 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3992 * The value of the Length field of the Supported Operating
3993 * Classes element is between 2 and 253.
3995 if (params
->supported_oper_classes_len
< 2 ||
3996 params
->supported_oper_classes_len
> 253)
4002 static int nl80211_set_station_tdls(struct genl_info
*info
,
4003 struct station_parameters
*params
)
4006 /* Dummy STA entry gets updated once the peer capabilities are known */
4007 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4008 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4009 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4011 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4012 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4014 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4016 err
= nl80211_parse_sta_channel_info(info
, params
);
4020 return nl80211_parse_sta_wme(info
, params
);
4023 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4025 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4026 struct net_device
*dev
= info
->user_ptr
[1];
4027 struct station_parameters params
;
4031 memset(¶ms
, 0, sizeof(params
));
4033 params
.listen_interval
= -1;
4035 if (!rdev
->ops
->change_station
)
4038 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4041 if (!info
->attrs
[NL80211_ATTR_MAC
])
4044 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4046 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4047 params
.supported_rates
=
4048 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4049 params
.supported_rates_len
=
4050 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4053 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4055 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4056 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4059 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4061 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4062 params
.ext_capab_len
=
4063 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4066 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4069 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4072 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4073 params
.plink_action
=
4074 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4075 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4079 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4080 params
.plink_state
=
4081 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4082 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4084 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4087 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4088 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4089 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4091 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4092 pm
> NL80211_MESH_POWER_MAX
)
4095 params
.local_pm
= pm
;
4098 /* Include parameters for TDLS peer (will check later) */
4099 err
= nl80211_set_station_tdls(info
, ¶ms
);
4103 params
.vlan
= get_vlan(info
, rdev
);
4104 if (IS_ERR(params
.vlan
))
4105 return PTR_ERR(params
.vlan
);
4107 switch (dev
->ieee80211_ptr
->iftype
) {
4108 case NL80211_IFTYPE_AP
:
4109 case NL80211_IFTYPE_AP_VLAN
:
4110 case NL80211_IFTYPE_P2P_GO
:
4111 case NL80211_IFTYPE_P2P_CLIENT
:
4112 case NL80211_IFTYPE_STATION
:
4113 case NL80211_IFTYPE_ADHOC
:
4114 case NL80211_IFTYPE_MESH_POINT
:
4121 /* driver will call cfg80211_check_station_change() */
4122 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4126 dev_put(params
.vlan
);
4131 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4133 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4135 struct net_device
*dev
= info
->user_ptr
[1];
4136 struct station_parameters params
;
4137 u8
*mac_addr
= NULL
;
4139 memset(¶ms
, 0, sizeof(params
));
4141 if (!rdev
->ops
->add_station
)
4144 if (!info
->attrs
[NL80211_ATTR_MAC
])
4147 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4150 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4153 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4154 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4157 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4158 params
.supported_rates
=
4159 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4160 params
.supported_rates_len
=
4161 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4162 params
.listen_interval
=
4163 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4165 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4166 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4168 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4169 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4172 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4174 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4175 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4178 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4180 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4181 params
.ext_capab_len
=
4182 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4185 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4187 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4189 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4191 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4193 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4194 params
.opmode_notif_used
= true;
4195 params
.opmode_notif
=
4196 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4199 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4200 params
.plink_action
=
4201 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4202 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4206 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4210 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4214 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4217 /* When you run into this, adjust the code below for the new flag */
4218 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4220 switch (dev
->ieee80211_ptr
->iftype
) {
4221 case NL80211_IFTYPE_AP
:
4222 case NL80211_IFTYPE_AP_VLAN
:
4223 case NL80211_IFTYPE_P2P_GO
:
4224 /* ignore WME attributes if iface/sta is not capable */
4225 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4226 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4227 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4229 /* TDLS peers cannot be added */
4230 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4231 info
->attrs
[NL80211_ATTR_PEER_AID
])
4233 /* but don't bother the driver with it */
4234 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4236 /* allow authenticated/associated only if driver handles it */
4237 if (!(rdev
->wiphy
.features
&
4238 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4239 params
.sta_flags_mask
&
4240 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4241 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4244 /* must be last in here for error handling */
4245 params
.vlan
= get_vlan(info
, rdev
);
4246 if (IS_ERR(params
.vlan
))
4247 return PTR_ERR(params
.vlan
);
4249 case NL80211_IFTYPE_MESH_POINT
:
4250 /* ignore uAPSD data */
4251 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4253 /* associated is disallowed */
4254 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4256 /* TDLS peers cannot be added */
4257 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4258 info
->attrs
[NL80211_ATTR_PEER_AID
])
4261 case NL80211_IFTYPE_STATION
:
4262 case NL80211_IFTYPE_P2P_CLIENT
:
4263 /* ignore uAPSD data */
4264 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4266 /* these are disallowed */
4267 if (params
.sta_flags_mask
&
4268 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4269 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4271 /* Only TDLS peers can be added */
4272 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4274 /* Can only add if TDLS ... */
4275 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4277 /* ... with external setup is supported */
4278 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4281 * Older wpa_supplicant versions always mark the TDLS peer
4282 * as authorized, but it shouldn't yet be.
4284 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4290 /* be aware of params.vlan when changing code here */
4292 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4295 dev_put(params
.vlan
);
4299 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4301 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4302 struct net_device
*dev
= info
->user_ptr
[1];
4303 u8
*mac_addr
= NULL
;
4305 if (info
->attrs
[NL80211_ATTR_MAC
])
4306 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4308 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4309 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4310 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4311 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4314 if (!rdev
->ops
->del_station
)
4317 return rdev_del_station(rdev
, dev
, mac_addr
);
4320 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4321 int flags
, struct net_device
*dev
,
4322 u8
*dst
, u8
*next_hop
,
4323 struct mpath_info
*pinfo
)
4326 struct nlattr
*pinfoattr
;
4328 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4332 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4333 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4334 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4335 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4336 goto nla_put_failure
;
4338 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4340 goto nla_put_failure
;
4341 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4342 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4344 goto nla_put_failure
;
4345 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4346 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4347 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4348 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4350 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4351 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4353 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4354 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4356 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4357 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4358 pinfo
->discovery_timeout
)) ||
4359 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4360 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4361 pinfo
->discovery_retries
)))
4362 goto nla_put_failure
;
4364 nla_nest_end(msg
, pinfoattr
);
4366 return genlmsg_end(msg
, hdr
);
4369 genlmsg_cancel(msg
, hdr
);
4373 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4374 struct netlink_callback
*cb
)
4376 struct mpath_info pinfo
;
4377 struct cfg80211_registered_device
*dev
;
4378 struct wireless_dev
*wdev
;
4380 u8 next_hop
[ETH_ALEN
];
4381 int path_idx
= cb
->args
[2];
4384 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
4388 if (!dev
->ops
->dump_mpath
) {
4393 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4399 err
= rdev_dump_mpath(dev
, wdev
->netdev
, path_idx
, dst
,
4406 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4407 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4408 wdev
->netdev
, dst
, next_hop
,
4417 cb
->args
[2] = path_idx
;
4420 nl80211_finish_wdev_dump(dev
);
4424 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4426 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4428 struct net_device
*dev
= info
->user_ptr
[1];
4429 struct mpath_info pinfo
;
4430 struct sk_buff
*msg
;
4432 u8 next_hop
[ETH_ALEN
];
4434 memset(&pinfo
, 0, sizeof(pinfo
));
4436 if (!info
->attrs
[NL80211_ATTR_MAC
])
4439 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4441 if (!rdev
->ops
->get_mpath
)
4444 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4447 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4451 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4455 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4456 dev
, dst
, next_hop
, &pinfo
) < 0) {
4461 return genlmsg_reply(msg
, info
);
4464 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4466 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4467 struct net_device
*dev
= info
->user_ptr
[1];
4469 u8
*next_hop
= NULL
;
4471 if (!info
->attrs
[NL80211_ATTR_MAC
])
4474 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4477 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4478 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4480 if (!rdev
->ops
->change_mpath
)
4483 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4486 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4489 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4491 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4492 struct net_device
*dev
= info
->user_ptr
[1];
4494 u8
*next_hop
= NULL
;
4496 if (!info
->attrs
[NL80211_ATTR_MAC
])
4499 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4502 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4503 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4505 if (!rdev
->ops
->add_mpath
)
4508 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4511 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4514 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4516 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4517 struct net_device
*dev
= info
->user_ptr
[1];
4520 if (info
->attrs
[NL80211_ATTR_MAC
])
4521 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4523 if (!rdev
->ops
->del_mpath
)
4526 return rdev_del_mpath(rdev
, dev
, dst
);
4529 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4531 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4532 struct net_device
*dev
= info
->user_ptr
[1];
4533 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4534 struct bss_parameters params
;
4537 memset(¶ms
, 0, sizeof(params
));
4538 /* default to not changing parameters */
4539 params
.use_cts_prot
= -1;
4540 params
.use_short_preamble
= -1;
4541 params
.use_short_slot_time
= -1;
4542 params
.ap_isolate
= -1;
4543 params
.ht_opmode
= -1;
4544 params
.p2p_ctwindow
= -1;
4545 params
.p2p_opp_ps
= -1;
4547 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4548 params
.use_cts_prot
=
4549 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4550 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4551 params
.use_short_preamble
=
4552 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4553 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4554 params
.use_short_slot_time
=
4555 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4556 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4557 params
.basic_rates
=
4558 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4559 params
.basic_rates_len
=
4560 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4562 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4563 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4564 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4566 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4568 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4569 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4571 params
.p2p_ctwindow
=
4572 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4573 if (params
.p2p_ctwindow
< 0)
4575 if (params
.p2p_ctwindow
!= 0 &&
4576 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4580 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4583 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4585 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4588 params
.p2p_opp_ps
= tmp
;
4589 if (params
.p2p_opp_ps
&&
4590 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4594 if (!rdev
->ops
->change_bss
)
4597 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4598 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4602 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4608 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4609 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4610 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4611 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4612 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4613 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4614 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4617 static int parse_reg_rule(struct nlattr
*tb
[],
4618 struct ieee80211_reg_rule
*reg_rule
)
4620 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4621 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4623 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4625 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4627 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4629 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4631 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4634 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4636 freq_range
->start_freq_khz
=
4637 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4638 freq_range
->end_freq_khz
=
4639 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4640 freq_range
->max_bandwidth_khz
=
4641 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4643 power_rule
->max_eirp
=
4644 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4646 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4647 power_rule
->max_antenna_gain
=
4648 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4653 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4657 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4660 * You should only get this when cfg80211 hasn't yet initialized
4661 * completely when built-in to the kernel right between the time
4662 * window between nl80211_init() and regulatory_init(), if that is
4665 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4666 return -EINPROGRESS
;
4668 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4671 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4673 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4674 user_reg_hint_type
=
4675 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4677 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4679 switch (user_reg_hint_type
) {
4680 case NL80211_USER_REG_HINT_USER
:
4681 case NL80211_USER_REG_HINT_CELL_BASE
:
4687 r
= regulatory_hint_user(data
, user_reg_hint_type
);
4692 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4693 struct genl_info
*info
)
4695 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4696 struct net_device
*dev
= info
->user_ptr
[1];
4697 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4698 struct mesh_config cur_params
;
4701 struct nlattr
*pinfoattr
;
4702 struct sk_buff
*msg
;
4704 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4707 if (!rdev
->ops
->get_mesh_config
)
4711 /* If not connected, get default parameters */
4712 if (!wdev
->mesh_id_len
)
4713 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4715 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4721 /* Draw up a netlink message to send back */
4722 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4725 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4726 NL80211_CMD_GET_MESH_CONFIG
);
4729 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4731 goto nla_put_failure
;
4732 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4733 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4734 cur_params
.dot11MeshRetryTimeout
) ||
4735 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4736 cur_params
.dot11MeshConfirmTimeout
) ||
4737 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4738 cur_params
.dot11MeshHoldingTimeout
) ||
4739 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4740 cur_params
.dot11MeshMaxPeerLinks
) ||
4741 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4742 cur_params
.dot11MeshMaxRetries
) ||
4743 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4744 cur_params
.dot11MeshTTL
) ||
4745 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4746 cur_params
.element_ttl
) ||
4747 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4748 cur_params
.auto_open_plinks
) ||
4749 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4750 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4751 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4752 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4753 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4754 cur_params
.path_refresh_time
) ||
4755 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4756 cur_params
.min_discovery_timeout
) ||
4757 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4758 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4759 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4760 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4761 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4762 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4763 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4764 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4765 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4766 cur_params
.dot11MeshHWMPRootMode
) ||
4767 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4768 cur_params
.dot11MeshHWMPRannInterval
) ||
4769 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4770 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4771 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4772 cur_params
.dot11MeshForwarding
) ||
4773 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4774 cur_params
.rssi_threshold
) ||
4775 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4776 cur_params
.ht_opmode
) ||
4777 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4778 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4779 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4780 cur_params
.dot11MeshHWMProotInterval
) ||
4781 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4782 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4783 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4784 cur_params
.power_mode
) ||
4785 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4786 cur_params
.dot11MeshAwakeWindowDuration
) ||
4787 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4788 cur_params
.plink_timeout
))
4789 goto nla_put_failure
;
4790 nla_nest_end(msg
, pinfoattr
);
4791 genlmsg_end(msg
, hdr
);
4792 return genlmsg_reply(msg
, info
);
4795 genlmsg_cancel(msg
, hdr
);
4801 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4802 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4803 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4804 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4805 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4806 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4807 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4808 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4809 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4810 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4811 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4812 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4813 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4814 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4815 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4816 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4817 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4818 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4819 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4820 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4821 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4822 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4823 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4824 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4825 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4826 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4827 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4828 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4829 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4832 static const struct nla_policy
4833 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4834 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4835 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4836 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4837 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4838 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4839 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4840 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4841 .len
= IEEE80211_MAX_DATA_LEN
},
4842 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4845 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4846 struct mesh_config
*cfg
,
4849 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4852 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4855 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4857 cfg->param = fn(tb[attr]); \
4858 mask |= (1 << (attr - 1)); \
4863 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4865 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4866 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4867 nl80211_meshconf_params_policy
))
4870 /* This makes sure that there aren't more than 32 mesh config
4871 * parameters (otherwise our bitfield scheme would not work.) */
4872 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4874 /* Fill in the params struct */
4875 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4876 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4878 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4879 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4881 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4882 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4884 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4885 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4887 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4888 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4890 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4891 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4892 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4893 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4895 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4896 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4898 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4900 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4902 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4903 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4905 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4906 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4908 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4909 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4911 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4913 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4915 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4917 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4919 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4921 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4923 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4924 dot11MeshHWMPnetDiameterTraversalTime
,
4926 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4928 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4929 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4931 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4932 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4934 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4935 dot11MeshGateAnnouncementProtocol
, 0, 1,
4936 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4938 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4939 mask
, NL80211_MESHCONF_FORWARDING
,
4941 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4942 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4944 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
4945 mask
, NL80211_MESHCONF_HT_OPMODE
,
4947 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
4949 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4951 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
4952 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4954 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4955 dot11MeshHWMPconfirmationInterval
,
4957 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4959 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
4960 NL80211_MESH_POWER_ACTIVE
,
4961 NL80211_MESH_POWER_MAX
,
4962 mask
, NL80211_MESHCONF_POWER_MODE
,
4964 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
4966 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
4967 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
4968 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4975 #undef FILL_IN_MESH_PARAM_IF_SET
4978 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
4979 struct mesh_setup
*setup
)
4981 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4982 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
4984 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
4986 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
4987 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
4988 nl80211_mesh_setup_params_policy
))
4991 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
4992 setup
->sync_method
=
4993 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
4994 IEEE80211_SYNC_METHOD_VENDOR
:
4995 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
4997 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
4998 setup
->path_sel_proto
=
4999 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5000 IEEE80211_PATH_PROTOCOL_VENDOR
:
5001 IEEE80211_PATH_PROTOCOL_HWMP
;
5003 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5004 setup
->path_metric
=
5005 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5006 IEEE80211_PATH_METRIC_VENDOR
:
5007 IEEE80211_PATH_METRIC_AIRTIME
;
5010 if (tb
[NL80211_MESH_SETUP_IE
]) {
5011 struct nlattr
*ieattr
=
5012 tb
[NL80211_MESH_SETUP_IE
];
5013 if (!is_valid_ie_attr(ieattr
))
5015 setup
->ie
= nla_data(ieattr
);
5016 setup
->ie_len
= nla_len(ieattr
);
5018 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5019 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5021 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5022 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5023 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5024 if (setup
->is_secure
)
5025 setup
->user_mpm
= true;
5027 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5028 if (!setup
->user_mpm
)
5031 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5037 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5038 struct genl_info
*info
)
5040 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5041 struct net_device
*dev
= info
->user_ptr
[1];
5042 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5043 struct mesh_config cfg
;
5047 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5050 if (!rdev
->ops
->update_mesh_config
)
5053 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5058 if (!wdev
->mesh_id_len
)
5062 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5069 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5071 const struct ieee80211_regdomain
*regdom
;
5072 struct sk_buff
*msg
;
5074 struct nlattr
*nl_reg_rules
;
5077 if (!cfg80211_regdomain
)
5080 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5084 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5085 NL80211_CMD_GET_REG
);
5089 if (reg_last_request_cell_base() &&
5090 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5091 NL80211_USER_REG_HINT_CELL_BASE
))
5092 goto nla_put_failure
;
5095 regdom
= rcu_dereference(cfg80211_regdomain
);
5097 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5098 (regdom
->dfs_region
&&
5099 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5100 goto nla_put_failure_rcu
;
5102 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5104 goto nla_put_failure_rcu
;
5106 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5107 struct nlattr
*nl_reg_rule
;
5108 const struct ieee80211_reg_rule
*reg_rule
;
5109 const struct ieee80211_freq_range
*freq_range
;
5110 const struct ieee80211_power_rule
*power_rule
;
5112 reg_rule
= ®dom
->reg_rules
[i
];
5113 freq_range
= ®_rule
->freq_range
;
5114 power_rule
= ®_rule
->power_rule
;
5116 nl_reg_rule
= nla_nest_start(msg
, i
);
5118 goto nla_put_failure_rcu
;
5120 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5122 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5123 freq_range
->start_freq_khz
) ||
5124 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5125 freq_range
->end_freq_khz
) ||
5126 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5127 freq_range
->max_bandwidth_khz
) ||
5128 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5129 power_rule
->max_antenna_gain
) ||
5130 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5131 power_rule
->max_eirp
))
5132 goto nla_put_failure_rcu
;
5134 nla_nest_end(msg
, nl_reg_rule
);
5138 nla_nest_end(msg
, nl_reg_rules
);
5140 genlmsg_end(msg
, hdr
);
5141 return genlmsg_reply(msg
, info
);
5143 nla_put_failure_rcu
:
5146 genlmsg_cancel(msg
, hdr
);
5152 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5154 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5155 struct nlattr
*nl_reg_rule
;
5156 char *alpha2
= NULL
;
5157 int rem_reg_rules
= 0, r
= 0;
5158 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5159 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5160 struct ieee80211_regdomain
*rd
= NULL
;
5162 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5165 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5168 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5170 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5171 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5173 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5176 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5180 if (!reg_is_valid_request(alpha2
))
5183 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5184 num_rules
* sizeof(struct ieee80211_reg_rule
);
5186 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5190 rd
->n_reg_rules
= num_rules
;
5191 rd
->alpha2
[0] = alpha2
[0];
5192 rd
->alpha2
[1] = alpha2
[1];
5195 * Disable DFS master mode if the DFS region was
5196 * not supported or known on this kernel.
5198 if (reg_supported_dfs_region(dfs_region
))
5199 rd
->dfs_region
= dfs_region
;
5201 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5203 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5204 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5208 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5214 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5221 /* set_regdom took ownership */
5229 static int validate_scan_freqs(struct nlattr
*freqs
)
5231 struct nlattr
*attr1
, *attr2
;
5232 int n_channels
= 0, tmp1
, tmp2
;
5234 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5237 * Some hardware has a limited channel list for
5238 * scanning, and it is pretty much nonsensical
5239 * to scan for a channel twice, so disallow that
5240 * and don't require drivers to check that the
5241 * channel list they get isn't longer than what
5242 * they can scan, as long as they can scan all
5243 * the channels they registered at once.
5245 nla_for_each_nested(attr2
, freqs
, tmp2
)
5246 if (attr1
!= attr2
&&
5247 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5254 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5256 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5257 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5258 struct cfg80211_scan_request
*request
;
5259 struct nlattr
*attr
;
5260 struct wiphy
*wiphy
;
5261 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5264 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5267 wiphy
= &rdev
->wiphy
;
5269 if (!rdev
->ops
->scan
)
5272 if (rdev
->scan_req
) {
5277 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5278 n_channels
= validate_scan_freqs(
5279 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5285 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5288 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5289 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5292 if (n_ssids
> wiphy
->max_scan_ssids
) {
5297 if (info
->attrs
[NL80211_ATTR_IE
])
5298 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5302 if (ie_len
> wiphy
->max_scan_ie_len
) {
5307 request
= kzalloc(sizeof(*request
)
5308 + sizeof(*request
->ssids
) * n_ssids
5309 + sizeof(*request
->channels
) * n_channels
5310 + ie_len
, GFP_KERNEL
);
5317 request
->ssids
= (void *)&request
->channels
[n_channels
];
5318 request
->n_ssids
= n_ssids
;
5321 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5323 request
->ie
= (void *)(request
->channels
+ n_channels
);
5327 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5328 /* user specified, bail out if channel not found */
5329 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5330 struct ieee80211_channel
*chan
;
5332 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5339 /* ignore disabled channels */
5340 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5343 request
->channels
[i
] = chan
;
5347 enum ieee80211_band band
;
5350 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5352 if (!wiphy
->bands
[band
])
5354 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5355 struct ieee80211_channel
*chan
;
5357 chan
= &wiphy
->bands
[band
]->channels
[j
];
5359 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5362 request
->channels
[i
] = chan
;
5373 request
->n_channels
= i
;
5376 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5377 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5378 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5382 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5383 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5388 if (info
->attrs
[NL80211_ATTR_IE
]) {
5389 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5390 memcpy((void *)request
->ie
,
5391 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5395 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5396 if (wiphy
->bands
[i
])
5398 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5400 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5401 nla_for_each_nested(attr
,
5402 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5404 enum ieee80211_band band
= nla_type(attr
);
5406 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5411 if (!wiphy
->bands
[band
])
5414 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5417 &request
->rates
[band
]);
5423 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5424 request
->flags
= nla_get_u32(
5425 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5426 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5427 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5434 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5436 request
->wdev
= wdev
;
5437 request
->wiphy
= &rdev
->wiphy
;
5438 request
->scan_start
= jiffies
;
5440 rdev
->scan_req
= request
;
5441 err
= rdev_scan(rdev
, request
);
5444 nl80211_send_scan_start(rdev
, wdev
);
5446 dev_hold(wdev
->netdev
);
5449 rdev
->scan_req
= NULL
;
5457 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5458 struct genl_info
*info
)
5460 struct cfg80211_sched_scan_request
*request
;
5461 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5462 struct net_device
*dev
= info
->user_ptr
[1];
5463 struct nlattr
*attr
;
5464 struct wiphy
*wiphy
;
5465 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5467 enum ieee80211_band band
;
5469 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5470 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5472 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5473 !rdev
->ops
->sched_scan_start
)
5476 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5479 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5482 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5486 wiphy
= &rdev
->wiphy
;
5488 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5489 n_channels
= validate_scan_freqs(
5490 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5494 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5497 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5498 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5502 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5506 * First, count the number of 'real' matchsets. Due to an issue with
5507 * the old implementation, matchsets containing only the RSSI attribute
5508 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5509 * RSSI for all matchsets, rather than their own matchset for reporting
5510 * all APs with a strong RSSI. This is needed to be compatible with
5511 * older userspace that treated a matchset with only the RSSI as the
5512 * global RSSI for all other matchsets - if there are other matchsets.
5514 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5515 nla_for_each_nested(attr
,
5516 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5518 struct nlattr
*rssi
;
5520 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5521 nla_data(attr
), nla_len(attr
),
5522 nl80211_match_policy
);
5525 /* add other standalone attributes here */
5526 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5530 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5532 default_match_rssi
= nla_get_s32(rssi
);
5536 /* However, if there's no other matchset, add the RSSI one */
5537 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5540 if (n_match_sets
> wiphy
->max_match_sets
)
5543 if (info
->attrs
[NL80211_ATTR_IE
])
5544 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5548 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5551 if (rdev
->sched_scan_req
) {
5556 request
= kzalloc(sizeof(*request
)
5557 + sizeof(*request
->ssids
) * n_ssids
5558 + sizeof(*request
->match_sets
) * n_match_sets
5559 + sizeof(*request
->channels
) * n_channels
5560 + ie_len
, GFP_KERNEL
);
5567 request
->ssids
= (void *)&request
->channels
[n_channels
];
5568 request
->n_ssids
= n_ssids
;
5571 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5573 request
->ie
= (void *)(request
->channels
+ n_channels
);
5578 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5579 else if (request
->ssids
)
5580 request
->match_sets
=
5581 (void *)(request
->ssids
+ n_ssids
);
5583 request
->match_sets
=
5584 (void *)(request
->channels
+ n_channels
);
5586 request
->n_match_sets
= n_match_sets
;
5589 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5590 /* user specified, bail out if channel not found */
5591 nla_for_each_nested(attr
,
5592 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5594 struct ieee80211_channel
*chan
;
5596 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5603 /* ignore disabled channels */
5604 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5607 request
->channels
[i
] = chan
;
5612 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5614 if (!wiphy
->bands
[band
])
5616 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5617 struct ieee80211_channel
*chan
;
5619 chan
= &wiphy
->bands
[band
]->channels
[j
];
5621 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5624 request
->channels
[i
] = chan
;
5635 request
->n_channels
= i
;
5638 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5639 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5641 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5645 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5646 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5653 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5654 nla_for_each_nested(attr
,
5655 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5657 struct nlattr
*ssid
, *rssi
;
5659 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5660 nla_data(attr
), nla_len(attr
),
5661 nl80211_match_policy
);
5664 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5666 if (WARN_ON(i
>= n_match_sets
)) {
5667 /* this indicates a programming error,
5668 * the loop above should have verified
5675 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5679 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5680 nla_data(ssid
), nla_len(ssid
));
5681 request
->match_sets
[i
].ssid
.ssid_len
=
5683 /* special attribute - old implemenation w/a */
5684 request
->match_sets
[i
].rssi_thold
=
5686 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5688 request
->match_sets
[i
].rssi_thold
=
5694 /* there was no other matchset, so the RSSI one is alone */
5696 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
5698 request
->min_rssi_thold
= INT_MAX
;
5699 for (i
= 0; i
< n_match_sets
; i
++)
5700 request
->min_rssi_thold
=
5701 min(request
->match_sets
[i
].rssi_thold
,
5702 request
->min_rssi_thold
);
5704 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
5707 if (info
->attrs
[NL80211_ATTR_IE
]) {
5708 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5709 memcpy((void *)request
->ie
,
5710 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5714 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5715 request
->flags
= nla_get_u32(
5716 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5717 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5718 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5725 request
->wiphy
= &rdev
->wiphy
;
5726 request
->interval
= interval
;
5727 request
->scan_start
= jiffies
;
5729 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5731 rdev
->sched_scan_req
= request
;
5732 nl80211_send_sched_scan(rdev
, dev
,
5733 NL80211_CMD_START_SCHED_SCAN
);
5743 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5744 struct genl_info
*info
)
5746 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5748 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5749 !rdev
->ops
->sched_scan_stop
)
5752 return __cfg80211_stop_sched_scan(rdev
, false);
5755 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5756 struct genl_info
*info
)
5758 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5759 struct net_device
*dev
= info
->user_ptr
[1];
5760 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5761 struct cfg80211_chan_def chandef
;
5762 enum nl80211_dfs_regions dfs_region
;
5765 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5766 if (dfs_region
== NL80211_DFS_UNSET
)
5769 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5773 if (netif_carrier_ok(dev
))
5776 if (wdev
->cac_started
)
5779 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
);
5786 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
5789 if (!rdev
->ops
->start_radar_detection
)
5792 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5793 chandef
.chan
, CHAN_MODE_SHARED
,
5794 BIT(chandef
.width
));
5798 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
);
5800 wdev
->channel
= chandef
.chan
;
5801 wdev
->cac_started
= true;
5802 wdev
->cac_start_time
= jiffies
;
5807 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5809 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5810 struct net_device
*dev
= info
->user_ptr
[1];
5811 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5812 struct cfg80211_csa_settings params
;
5813 /* csa_attrs is defined static to avoid waste of stack size - this
5814 * function is called under RTNL lock, so this should not be a problem.
5816 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5817 u8 radar_detect_width
= 0;
5819 bool need_new_beacon
= false;
5821 if (!rdev
->ops
->channel_switch
||
5822 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5825 switch (dev
->ieee80211_ptr
->iftype
) {
5826 case NL80211_IFTYPE_AP
:
5827 case NL80211_IFTYPE_P2P_GO
:
5828 need_new_beacon
= true;
5830 /* useless if AP is not running */
5831 if (!wdev
->beacon_interval
)
5834 case NL80211_IFTYPE_ADHOC
:
5835 if (!wdev
->ssid_len
)
5838 case NL80211_IFTYPE_MESH_POINT
:
5839 if (!wdev
->mesh_id_len
)
5846 memset(¶ms
, 0, sizeof(params
));
5848 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5849 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5852 /* only important for AP, IBSS and mesh create IEs internally */
5853 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5856 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5858 if (!need_new_beacon
)
5861 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5865 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5866 info
->attrs
[NL80211_ATTR_CSA_IES
],
5871 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5875 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5878 params
.counter_offset_beacon
=
5879 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5880 if (params
.counter_offset_beacon
>= params
.beacon_csa
.tail_len
)
5883 /* sanity check - counters should be the same */
5884 if (params
.beacon_csa
.tail
[params
.counter_offset_beacon
] !=
5888 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5889 params
.counter_offset_presp
=
5890 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5891 if (params
.counter_offset_presp
>=
5892 params
.beacon_csa
.probe_resp_len
)
5895 if (params
.beacon_csa
.probe_resp
[params
.counter_offset_presp
] !=
5901 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
5905 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
5908 if (dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_AP
||
5909 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
||
5910 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_ADHOC
) {
5911 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
5916 radar_detect_width
= BIT(params
.chandef
.width
);
5917 params
.radar_required
= true;
5921 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5922 params
.chandef
.chan
,
5924 radar_detect_width
);
5928 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
5929 params
.block_tx
= true;
5932 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
5938 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5940 struct cfg80211_registered_device
*rdev
,
5941 struct wireless_dev
*wdev
,
5942 struct cfg80211_internal_bss
*intbss
)
5944 struct cfg80211_bss
*res
= &intbss
->pub
;
5945 const struct cfg80211_bss_ies
*ies
;
5950 ASSERT_WDEV_LOCK(wdev
);
5952 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5953 NL80211_CMD_NEW_SCAN_RESULTS
);
5957 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5959 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
5960 goto nla_put_failure
;
5962 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
5963 goto nla_put_failure
;
5964 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
5965 goto nla_put_failure
;
5967 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
5969 goto nla_put_failure
;
5970 if ((!is_zero_ether_addr(res
->bssid
) &&
5971 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
5972 goto nla_put_failure
;
5975 ies
= rcu_dereference(res
->ies
);
5977 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5978 goto fail_unlock_rcu
;
5980 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
5981 ies
->len
, ies
->data
))
5982 goto fail_unlock_rcu
;
5984 ies
= rcu_dereference(res
->beacon_ies
);
5986 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5987 goto fail_unlock_rcu
;
5988 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
5989 ies
->len
, ies
->data
))
5990 goto fail_unlock_rcu
;
5994 if (res
->beacon_interval
&&
5995 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
5996 goto nla_put_failure
;
5997 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
5998 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
5999 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6000 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6001 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6002 goto nla_put_failure
;
6004 switch (rdev
->wiphy
.signal_type
) {
6005 case CFG80211_SIGNAL_TYPE_MBM
:
6006 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6007 goto nla_put_failure
;
6009 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6010 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6011 goto nla_put_failure
;
6017 switch (wdev
->iftype
) {
6018 case NL80211_IFTYPE_P2P_CLIENT
:
6019 case NL80211_IFTYPE_STATION
:
6020 if (intbss
== wdev
->current_bss
&&
6021 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6022 NL80211_BSS_STATUS_ASSOCIATED
))
6023 goto nla_put_failure
;
6025 case NL80211_IFTYPE_ADHOC
:
6026 if (intbss
== wdev
->current_bss
&&
6027 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6028 NL80211_BSS_STATUS_IBSS_JOINED
))
6029 goto nla_put_failure
;
6035 nla_nest_end(msg
, bss
);
6037 return genlmsg_end(msg
, hdr
);
6042 genlmsg_cancel(msg
, hdr
);
6046 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6048 struct cfg80211_registered_device
*rdev
;
6049 struct cfg80211_internal_bss
*scan
;
6050 struct wireless_dev
*wdev
;
6051 int start
= cb
->args
[2], idx
= 0;
6054 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6059 spin_lock_bh(&rdev
->bss_lock
);
6060 cfg80211_bss_expire(rdev
);
6062 cb
->seq
= rdev
->bss_generation
;
6064 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6067 if (nl80211_send_bss(skb
, cb
,
6068 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6069 rdev
, wdev
, scan
) < 0) {
6075 spin_unlock_bh(&rdev
->bss_lock
);
6079 nl80211_finish_wdev_dump(rdev
);
6084 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6085 int flags
, struct net_device
*dev
,
6086 struct survey_info
*survey
)
6089 struct nlattr
*infoattr
;
6091 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6092 NL80211_CMD_NEW_SURVEY_RESULTS
);
6096 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6097 goto nla_put_failure
;
6099 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6101 goto nla_put_failure
;
6103 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6104 survey
->channel
->center_freq
))
6105 goto nla_put_failure
;
6107 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6108 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6109 goto nla_put_failure
;
6110 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6111 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6112 goto nla_put_failure
;
6113 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6114 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6115 survey
->channel_time
))
6116 goto nla_put_failure
;
6117 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6118 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6119 survey
->channel_time_busy
))
6120 goto nla_put_failure
;
6121 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6122 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6123 survey
->channel_time_ext_busy
))
6124 goto nla_put_failure
;
6125 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6126 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6127 survey
->channel_time_rx
))
6128 goto nla_put_failure
;
6129 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6130 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6131 survey
->channel_time_tx
))
6132 goto nla_put_failure
;
6134 nla_nest_end(msg
, infoattr
);
6136 return genlmsg_end(msg
, hdr
);
6139 genlmsg_cancel(msg
, hdr
);
6143 static int nl80211_dump_survey(struct sk_buff
*skb
,
6144 struct netlink_callback
*cb
)
6146 struct survey_info survey
;
6147 struct cfg80211_registered_device
*dev
;
6148 struct wireless_dev
*wdev
;
6149 int survey_idx
= cb
->args
[2];
6152 res
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
6156 if (!wdev
->netdev
) {
6161 if (!dev
->ops
->dump_survey
) {
6167 struct ieee80211_channel
*chan
;
6169 res
= rdev_dump_survey(dev
, wdev
->netdev
, survey_idx
, &survey
);
6175 /* Survey without a channel doesn't make sense */
6176 if (!survey
.channel
) {
6181 chan
= ieee80211_get_channel(&dev
->wiphy
,
6182 survey
.channel
->center_freq
);
6183 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6188 if (nl80211_send_survey(skb
,
6189 NETLINK_CB(cb
->skb
).portid
,
6190 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6191 wdev
->netdev
, &survey
) < 0)
6197 cb
->args
[2] = survey_idx
;
6200 nl80211_finish_wdev_dump(dev
);
6204 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6206 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6207 NL80211_WPA_VERSION_2
));
6210 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6212 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6213 struct net_device
*dev
= info
->user_ptr
[1];
6214 struct ieee80211_channel
*chan
;
6215 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6216 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6217 enum nl80211_auth_type auth_type
;
6218 struct key_parse key
;
6219 bool local_state_change
;
6221 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6224 if (!info
->attrs
[NL80211_ATTR_MAC
])
6227 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6230 if (!info
->attrs
[NL80211_ATTR_SSID
])
6233 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6236 err
= nl80211_parse_key(info
, &key
);
6241 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6243 if (!key
.p
.key
|| !key
.p
.key_len
)
6245 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6246 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6247 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6248 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6260 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6261 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6270 if (!rdev
->ops
->auth
)
6273 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6274 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6277 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6278 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6279 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6283 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6284 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6286 if (info
->attrs
[NL80211_ATTR_IE
]) {
6287 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6288 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6291 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6292 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6295 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6296 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6299 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6300 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6302 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6303 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6304 /* need to include at least Auth Transaction and Status Code */
6305 if (sae_data_len
< 4)
6309 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6312 * Since we no longer track auth state, ignore
6313 * requests to only change local state.
6315 if (local_state_change
)
6318 wdev_lock(dev
->ieee80211_ptr
);
6319 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6320 ssid
, ssid_len
, ie
, ie_len
,
6321 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6322 sae_data
, sae_data_len
);
6323 wdev_unlock(dev
->ieee80211_ptr
);
6327 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6328 struct genl_info
*info
,
6329 struct cfg80211_crypto_settings
*settings
,
6332 memset(settings
, 0, sizeof(*settings
));
6334 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6336 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6338 proto
= nla_get_u16(
6339 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6340 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6341 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6344 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6345 settings
->control_port_no_encrypt
= true;
6347 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6349 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6353 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6354 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6355 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6357 if (len
% sizeof(u32
))
6360 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6363 memcpy(settings
->ciphers_pairwise
, data
, len
);
6365 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6366 if (!cfg80211_supported_cipher_suite(
6368 settings
->ciphers_pairwise
[i
]))
6372 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6373 settings
->cipher_group
=
6374 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6375 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6376 settings
->cipher_group
))
6380 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6381 settings
->wpa_versions
=
6382 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6383 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6387 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6391 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6392 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6393 settings
->n_akm_suites
= len
/ sizeof(u32
);
6395 if (len
% sizeof(u32
))
6398 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6401 memcpy(settings
->akm_suites
, data
, len
);
6407 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6409 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6410 struct net_device
*dev
= info
->user_ptr
[1];
6411 struct ieee80211_channel
*chan
;
6412 struct cfg80211_assoc_request req
= {};
6413 const u8
*bssid
, *ssid
;
6414 int err
, ssid_len
= 0;
6416 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6419 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6420 !info
->attrs
[NL80211_ATTR_SSID
] ||
6421 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6424 if (!rdev
->ops
->assoc
)
6427 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6428 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6431 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6433 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6434 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6438 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6439 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6441 if (info
->attrs
[NL80211_ATTR_IE
]) {
6442 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6443 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6446 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6447 enum nl80211_mfp mfp
=
6448 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6449 if (mfp
== NL80211_MFP_REQUIRED
)
6451 else if (mfp
!= NL80211_MFP_NO
)
6455 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6456 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6458 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6459 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6461 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6462 memcpy(&req
.ht_capa_mask
,
6463 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6464 sizeof(req
.ht_capa_mask
));
6466 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6467 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6469 memcpy(&req
.ht_capa
,
6470 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6471 sizeof(req
.ht_capa
));
6474 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6475 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6477 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6478 memcpy(&req
.vht_capa_mask
,
6479 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6480 sizeof(req
.vht_capa_mask
));
6482 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6483 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6485 memcpy(&req
.vht_capa
,
6486 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6487 sizeof(req
.vht_capa
));
6490 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6492 wdev_lock(dev
->ieee80211_ptr
);
6493 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6494 ssid
, ssid_len
, &req
);
6495 wdev_unlock(dev
->ieee80211_ptr
);
6501 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6503 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6504 struct net_device
*dev
= info
->user_ptr
[1];
6505 const u8
*ie
= NULL
, *bssid
;
6506 int ie_len
= 0, err
;
6508 bool local_state_change
;
6510 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6513 if (!info
->attrs
[NL80211_ATTR_MAC
])
6516 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6519 if (!rdev
->ops
->deauth
)
6522 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6523 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6526 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6528 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6529 if (reason_code
== 0) {
6530 /* Reason Code 0 is reserved */
6534 if (info
->attrs
[NL80211_ATTR_IE
]) {
6535 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6536 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6539 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6541 wdev_lock(dev
->ieee80211_ptr
);
6542 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6543 local_state_change
);
6544 wdev_unlock(dev
->ieee80211_ptr
);
6548 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6550 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6551 struct net_device
*dev
= info
->user_ptr
[1];
6552 const u8
*ie
= NULL
, *bssid
;
6553 int ie_len
= 0, err
;
6555 bool local_state_change
;
6557 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6560 if (!info
->attrs
[NL80211_ATTR_MAC
])
6563 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6566 if (!rdev
->ops
->disassoc
)
6569 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6570 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6573 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6575 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6576 if (reason_code
== 0) {
6577 /* Reason Code 0 is reserved */
6581 if (info
->attrs
[NL80211_ATTR_IE
]) {
6582 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6583 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6586 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6588 wdev_lock(dev
->ieee80211_ptr
);
6589 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6590 local_state_change
);
6591 wdev_unlock(dev
->ieee80211_ptr
);
6596 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6597 int mcast_rate
[IEEE80211_NUM_BANDS
],
6600 struct wiphy
*wiphy
= &rdev
->wiphy
;
6604 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6605 struct ieee80211_supported_band
*sband
;
6607 sband
= wiphy
->bands
[band
];
6611 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6612 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6613 mcast_rate
[band
] = i
+ 1;
6623 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6625 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6626 struct net_device
*dev
= info
->user_ptr
[1];
6627 struct cfg80211_ibss_params ibss
;
6628 struct wiphy
*wiphy
;
6629 struct cfg80211_cached_keys
*connkeys
= NULL
;
6632 memset(&ibss
, 0, sizeof(ibss
));
6634 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6637 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6638 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6641 ibss
.beacon_interval
= 100;
6643 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6644 ibss
.beacon_interval
=
6645 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6646 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6650 if (!rdev
->ops
->join_ibss
)
6653 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6656 wiphy
= &rdev
->wiphy
;
6658 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6659 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6661 if (!is_valid_ether_addr(ibss
.bssid
))
6664 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6665 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6667 if (info
->attrs
[NL80211_ATTR_IE
]) {
6668 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6669 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6672 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6676 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
))
6679 switch (ibss
.chandef
.width
) {
6680 case NL80211_CHAN_WIDTH_5
:
6681 case NL80211_CHAN_WIDTH_10
:
6682 case NL80211_CHAN_WIDTH_20_NOHT
:
6684 case NL80211_CHAN_WIDTH_20
:
6685 case NL80211_CHAN_WIDTH_40
:
6686 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6692 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6693 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6695 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6697 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6699 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6700 struct ieee80211_supported_band
*sband
=
6701 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6703 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6709 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6710 memcpy(&ibss
.ht_capa_mask
,
6711 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6712 sizeof(ibss
.ht_capa_mask
));
6714 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6715 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6717 memcpy(&ibss
.ht_capa
,
6718 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6719 sizeof(ibss
.ht_capa
));
6722 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6723 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6724 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6727 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6730 connkeys
= nl80211_parse_connkeys(rdev
,
6731 info
->attrs
[NL80211_ATTR_KEYS
],
6733 if (IS_ERR(connkeys
))
6734 return PTR_ERR(connkeys
);
6736 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6744 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6746 ibss
.userspace_handles_dfs
=
6747 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6749 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6755 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6757 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6758 struct net_device
*dev
= info
->user_ptr
[1];
6760 if (!rdev
->ops
->leave_ibss
)
6763 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6766 return cfg80211_leave_ibss(rdev
, dev
, false);
6769 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6771 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6772 struct net_device
*dev
= info
->user_ptr
[1];
6773 int mcast_rate
[IEEE80211_NUM_BANDS
];
6777 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6778 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6781 if (!rdev
->ops
->set_mcast_rate
)
6784 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6786 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6789 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6790 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6793 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6798 static struct sk_buff
*
6799 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
6800 int approxlen
, u32 portid
, u32 seq
,
6801 enum nl80211_commands cmd
,
6802 enum nl80211_attrs attr
,
6803 const struct nl80211_vendor_cmd_info
*info
,
6806 struct sk_buff
*skb
;
6808 struct nlattr
*data
;
6810 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6814 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
6820 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6821 goto nla_put_failure
;
6824 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
6826 goto nla_put_failure
;
6827 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
6829 goto nla_put_failure
;
6832 data
= nla_nest_start(skb
, attr
);
6834 ((void **)skb
->cb
)[0] = rdev
;
6835 ((void **)skb
->cb
)[1] = hdr
;
6836 ((void **)skb
->cb
)[2] = data
;
6845 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
6846 enum nl80211_commands cmd
,
6847 enum nl80211_attrs attr
,
6848 int vendor_event_idx
,
6849 int approxlen
, gfp_t gfp
)
6851 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6852 const struct nl80211_vendor_cmd_info
*info
;
6855 case NL80211_CMD_TESTMODE
:
6856 if (WARN_ON(vendor_event_idx
!= -1))
6860 case NL80211_CMD_VENDOR
:
6861 if (WARN_ON(vendor_event_idx
< 0 ||
6862 vendor_event_idx
>= wiphy
->n_vendor_events
))
6864 info
= &wiphy
->vendor_events
[vendor_event_idx
];
6871 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
6872 cmd
, attr
, info
, gfp
);
6874 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
6876 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
6878 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6879 void *hdr
= ((void **)skb
->cb
)[1];
6880 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6881 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
6883 nla_nest_end(skb
, data
);
6884 genlmsg_end(skb
, hdr
);
6886 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
6887 mcgrp
= NL80211_MCGRP_VENDOR
;
6889 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
6892 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
6894 #ifdef CONFIG_NL80211_TESTMODE
6895 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6897 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6898 struct wireless_dev
*wdev
=
6899 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
6902 if (!rdev
->ops
->testmode_cmd
)
6906 err
= PTR_ERR(wdev
);
6910 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
6914 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
6917 rdev
->cur_cmd_info
= info
;
6918 err
= rdev_testmode_cmd(rdev
, wdev
,
6919 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
6920 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
6921 rdev
->cur_cmd_info
= NULL
;
6926 static int nl80211_testmode_dump(struct sk_buff
*skb
,
6927 struct netlink_callback
*cb
)
6929 struct cfg80211_registered_device
*rdev
;
6939 * 0 is a valid index, but not valid for args[0],
6940 * so we need to offset by 1.
6942 phy_idx
= cb
->args
[0] - 1;
6944 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
6945 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
6950 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
6951 nl80211_fam
.attrbuf
);
6953 err
= PTR_ERR(rdev
);
6956 phy_idx
= rdev
->wiphy_idx
;
6959 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
6961 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
6965 data
= nla_data((void *)cb
->args
[1]);
6966 data_len
= nla_len((void *)cb
->args
[1]);
6969 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
6975 if (!rdev
->ops
->testmode_dump
) {
6981 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
6982 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6983 NL80211_CMD_TESTMODE
);
6984 struct nlattr
*tmdata
;
6989 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
6990 genlmsg_cancel(skb
, hdr
);
6994 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6996 genlmsg_cancel(skb
, hdr
);
6999 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7000 nla_nest_end(skb
, tmdata
);
7002 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7003 genlmsg_cancel(skb
, hdr
);
7006 genlmsg_cancel(skb
, hdr
);
7010 genlmsg_end(skb
, hdr
);
7015 cb
->args
[0] = phy_idx
+ 1;
7022 static int nl80211_connect(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];
7026 struct cfg80211_connect_params connect
;
7027 struct wiphy
*wiphy
;
7028 struct cfg80211_cached_keys
*connkeys
= NULL
;
7031 memset(&connect
, 0, sizeof(connect
));
7033 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7036 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7037 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7040 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7042 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7043 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7044 NL80211_CMD_CONNECT
))
7047 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7049 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7051 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7052 NL80211_MAX_NR_CIPHER_SUITES
);
7056 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7057 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7060 wiphy
= &rdev
->wiphy
;
7062 connect
.bg_scan_period
= -1;
7063 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7064 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7065 connect
.bg_scan_period
=
7066 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7069 if (info
->attrs
[NL80211_ATTR_MAC
])
7070 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7071 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7072 connect
.bssid_hint
=
7073 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7074 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7075 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7077 if (info
->attrs
[NL80211_ATTR_IE
]) {
7078 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7079 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7082 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7083 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7084 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7085 connect
.mfp
!= NL80211_MFP_NO
)
7088 connect
.mfp
= NL80211_MFP_NO
;
7091 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7092 connect
.channel
= nl80211_get_valid_chan(
7093 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7094 if (!connect
.channel
)
7096 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7097 connect
.channel_hint
= nl80211_get_valid_chan(
7098 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7099 if (!connect
.channel_hint
)
7103 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7104 connkeys
= nl80211_parse_connkeys(rdev
,
7105 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7106 if (IS_ERR(connkeys
))
7107 return PTR_ERR(connkeys
);
7110 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7111 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7113 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7114 memcpy(&connect
.ht_capa_mask
,
7115 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7116 sizeof(connect
.ht_capa_mask
));
7118 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7119 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7123 memcpy(&connect
.ht_capa
,
7124 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7125 sizeof(connect
.ht_capa
));
7128 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7129 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7131 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7132 memcpy(&connect
.vht_capa_mask
,
7133 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7134 sizeof(connect
.vht_capa_mask
));
7136 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7137 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7141 memcpy(&connect
.vht_capa
,
7142 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7143 sizeof(connect
.vht_capa
));
7146 wdev_lock(dev
->ieee80211_ptr
);
7147 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7148 wdev_unlock(dev
->ieee80211_ptr
);
7154 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7156 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7157 struct net_device
*dev
= info
->user_ptr
[1];
7161 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7162 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7164 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7169 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7170 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7173 wdev_lock(dev
->ieee80211_ptr
);
7174 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7175 wdev_unlock(dev
->ieee80211_ptr
);
7179 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7181 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7186 if (!info
->attrs
[NL80211_ATTR_PID
])
7189 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7191 net
= get_net_ns_by_pid(pid
);
7193 return PTR_ERR(net
);
7197 /* check if anything to do */
7198 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7199 err
= cfg80211_switch_netns(rdev
, net
);
7205 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7207 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7208 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7209 struct cfg80211_pmksa
*pmksa
) = NULL
;
7210 struct net_device
*dev
= info
->user_ptr
[1];
7211 struct cfg80211_pmksa pmksa
;
7213 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7215 if (!info
->attrs
[NL80211_ATTR_MAC
])
7218 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7221 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7222 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7224 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7225 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7228 switch (info
->genlhdr
->cmd
) {
7229 case NL80211_CMD_SET_PMKSA
:
7230 rdev_ops
= rdev
->ops
->set_pmksa
;
7232 case NL80211_CMD_DEL_PMKSA
:
7233 rdev_ops
= rdev
->ops
->del_pmksa
;
7243 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7246 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7248 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7249 struct net_device
*dev
= info
->user_ptr
[1];
7251 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7252 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7255 if (!rdev
->ops
->flush_pmksa
)
7258 return rdev_flush_pmksa(rdev
, dev
);
7261 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7263 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7264 struct net_device
*dev
= info
->user_ptr
[1];
7265 u8 action_code
, dialog_token
;
7269 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7270 !rdev
->ops
->tdls_mgmt
)
7273 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7274 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7275 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7276 !info
->attrs
[NL80211_ATTR_IE
] ||
7277 !info
->attrs
[NL80211_ATTR_MAC
])
7280 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7281 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7282 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7283 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7285 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7286 dialog_token
, status_code
,
7287 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7288 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7291 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7293 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7294 struct net_device
*dev
= info
->user_ptr
[1];
7295 enum nl80211_tdls_operation operation
;
7298 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7299 !rdev
->ops
->tdls_oper
)
7302 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7303 !info
->attrs
[NL80211_ATTR_MAC
])
7306 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7307 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7309 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7312 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7313 struct genl_info
*info
)
7315 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7316 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7317 struct cfg80211_chan_def chandef
;
7318 struct sk_buff
*msg
;
7324 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7325 !info
->attrs
[NL80211_ATTR_DURATION
])
7328 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7330 if (!rdev
->ops
->remain_on_channel
||
7331 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7335 * We should be on that channel for at least a minimum amount of
7336 * time (10ms) but no longer than the driver supports.
7338 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7339 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7342 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7346 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7350 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7351 NL80211_CMD_REMAIN_ON_CHANNEL
);
7357 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7363 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7364 goto nla_put_failure
;
7366 genlmsg_end(msg
, hdr
);
7368 return genlmsg_reply(msg
, info
);
7377 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7378 struct genl_info
*info
)
7380 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7381 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7384 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7387 if (!rdev
->ops
->cancel_remain_on_channel
)
7390 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7392 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7395 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7396 u8
*rates
, u8 rates_len
)
7401 for (i
= 0; i
< rates_len
; i
++) {
7402 int rate
= (rates
[i
] & 0x7f) * 5;
7404 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7405 struct ieee80211_rate
*srate
=
7406 &sband
->bitrates
[ridx
];
7407 if (rate
== srate
->bitrate
) {
7412 if (ridx
== sband
->n_bitrates
)
7413 return 0; /* rate not found */
7419 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7420 u8
*rates
, u8 rates_len
,
7421 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7425 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7427 for (i
= 0; i
< rates_len
; i
++) {
7430 ridx
= rates
[i
] / 8;
7431 rbit
= BIT(rates
[i
] % 8);
7433 /* check validity */
7434 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7437 /* check availability */
7438 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7447 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7451 switch (vht_mcs_map
) {
7452 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7454 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7457 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7460 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7470 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7471 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7475 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7476 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7481 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7482 struct nl80211_txrate_vht
*txrate
,
7483 u16 mcs
[NL80211_VHT_NSS_MAX
])
7485 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7486 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7489 if (!sband
->vht_cap
.vht_supported
)
7492 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7494 /* Build vht_mcs_mask from VHT capabilities */
7495 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7497 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7498 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7499 mcs
[i
] = txrate
->mcs
[i
];
7507 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7508 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7509 .len
= NL80211_MAX_SUPP_RATES
},
7510 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7511 .len
= NL80211_MAX_SUPP_HT_RATES
},
7512 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7513 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
7516 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7517 struct genl_info
*info
)
7519 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7520 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7521 struct cfg80211_bitrate_mask mask
;
7523 struct net_device
*dev
= info
->user_ptr
[1];
7524 struct nlattr
*tx_rates
;
7525 struct ieee80211_supported_band
*sband
;
7528 if (!rdev
->ops
->set_bitrate_mask
)
7531 memset(&mask
, 0, sizeof(mask
));
7532 /* Default to all rates enabled */
7533 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7534 sband
= rdev
->wiphy
.bands
[i
];
7539 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7540 memcpy(mask
.control
[i
].ht_mcs
,
7541 sband
->ht_cap
.mcs
.rx_mask
,
7542 sizeof(mask
.control
[i
].ht_mcs
));
7544 if (!sband
->vht_cap
.vht_supported
)
7547 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7548 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7551 /* if no rates are given set it back to the defaults */
7552 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7556 * The nested attribute uses enum nl80211_band as the index. This maps
7557 * directly to the enum ieee80211_band values used in cfg80211.
7559 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7560 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
7561 enum ieee80211_band band
= nla_type(tx_rates
);
7564 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7566 sband
= rdev
->wiphy
.bands
[band
];
7569 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7570 nla_len(tx_rates
), nl80211_txattr_policy
);
7573 if (tb
[NL80211_TXRATE_LEGACY
]) {
7574 mask
.control
[band
].legacy
= rateset_to_mask(
7576 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7577 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7578 if ((mask
.control
[band
].legacy
== 0) &&
7579 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7582 if (tb
[NL80211_TXRATE_HT
]) {
7583 if (!ht_rateset_to_mask(
7585 nla_data(tb
[NL80211_TXRATE_HT
]),
7586 nla_len(tb
[NL80211_TXRATE_HT
]),
7587 mask
.control
[band
].ht_mcs
))
7590 if (tb
[NL80211_TXRATE_VHT
]) {
7591 if (!vht_set_mcs_mask(
7593 nla_data(tb
[NL80211_TXRATE_VHT
]),
7594 mask
.control
[band
].vht_mcs
))
7597 if (tb
[NL80211_TXRATE_GI
]) {
7598 mask
.control
[band
].gi
=
7599 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
7600 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
7604 if (mask
.control
[band
].legacy
== 0) {
7605 /* don't allow empty legacy rates if HT or VHT
7606 * are not even supported.
7608 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
7609 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
7612 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7613 if (mask
.control
[band
].ht_mcs
[i
])
7616 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
7617 if (mask
.control
[band
].vht_mcs
[i
])
7620 /* legacy and mcs rates may not be both empty */
7626 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7629 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7631 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7632 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7633 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7635 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7638 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7639 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7641 switch (wdev
->iftype
) {
7642 case NL80211_IFTYPE_STATION
:
7643 case NL80211_IFTYPE_ADHOC
:
7644 case NL80211_IFTYPE_P2P_CLIENT
:
7645 case NL80211_IFTYPE_AP
:
7646 case NL80211_IFTYPE_AP_VLAN
:
7647 case NL80211_IFTYPE_MESH_POINT
:
7648 case NL80211_IFTYPE_P2P_GO
:
7649 case NL80211_IFTYPE_P2P_DEVICE
:
7655 /* not much point in registering if we can't reply */
7656 if (!rdev
->ops
->mgmt_tx
)
7659 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7660 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7661 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7664 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7666 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7667 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7668 struct cfg80211_chan_def chandef
;
7672 struct sk_buff
*msg
= NULL
;
7673 struct cfg80211_mgmt_tx_params params
= {
7674 .dont_wait_for_ack
=
7675 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7678 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7681 if (!rdev
->ops
->mgmt_tx
)
7684 switch (wdev
->iftype
) {
7685 case NL80211_IFTYPE_P2P_DEVICE
:
7686 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7688 case NL80211_IFTYPE_STATION
:
7689 case NL80211_IFTYPE_ADHOC
:
7690 case NL80211_IFTYPE_P2P_CLIENT
:
7691 case NL80211_IFTYPE_AP
:
7692 case NL80211_IFTYPE_AP_VLAN
:
7693 case NL80211_IFTYPE_MESH_POINT
:
7694 case NL80211_IFTYPE_P2P_GO
:
7700 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7701 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7703 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7706 * We should wait on the channel for at least a minimum amount
7707 * of time (10ms) but no longer than the driver supports.
7709 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7710 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7715 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7717 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7720 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7722 /* get the channel if any has been specified, otherwise pass NULL to
7723 * the driver. The latter will use the current one
7725 chandef
.chan
= NULL
;
7726 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7727 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7732 if (!chandef
.chan
&& params
.offchan
)
7735 if (!params
.dont_wait_for_ack
) {
7736 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7740 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7748 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
7749 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
7750 params
.chan
= chandef
.chan
;
7751 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
7756 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7757 goto nla_put_failure
;
7759 genlmsg_end(msg
, hdr
);
7760 return genlmsg_reply(msg
, info
);
7772 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7774 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7775 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7778 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7781 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7784 switch (wdev
->iftype
) {
7785 case NL80211_IFTYPE_STATION
:
7786 case NL80211_IFTYPE_ADHOC
:
7787 case NL80211_IFTYPE_P2P_CLIENT
:
7788 case NL80211_IFTYPE_AP
:
7789 case NL80211_IFTYPE_AP_VLAN
:
7790 case NL80211_IFTYPE_P2P_GO
:
7791 case NL80211_IFTYPE_P2P_DEVICE
:
7797 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7799 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7802 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7804 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7805 struct wireless_dev
*wdev
;
7806 struct net_device
*dev
= info
->user_ptr
[1];
7811 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7814 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7816 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7819 wdev
= dev
->ieee80211_ptr
;
7821 if (!rdev
->ops
->set_power_mgmt
)
7824 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7826 if (state
== wdev
->ps
)
7829 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7835 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7837 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7838 enum nl80211_ps_state ps_state
;
7839 struct wireless_dev
*wdev
;
7840 struct net_device
*dev
= info
->user_ptr
[1];
7841 struct sk_buff
*msg
;
7845 wdev
= dev
->ieee80211_ptr
;
7847 if (!rdev
->ops
->set_power_mgmt
)
7850 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7854 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7855 NL80211_CMD_GET_POWER_SAVE
);
7862 ps_state
= NL80211_PS_ENABLED
;
7864 ps_state
= NL80211_PS_DISABLED
;
7866 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7867 goto nla_put_failure
;
7869 genlmsg_end(msg
, hdr
);
7870 return genlmsg_reply(msg
, info
);
7879 static const struct nla_policy
7880 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
7881 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
7882 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
7883 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
7884 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
7885 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
7886 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
7889 static int nl80211_set_cqm_txe(struct genl_info
*info
,
7890 u32 rate
, u32 pkts
, u32 intvl
)
7892 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7893 struct net_device
*dev
= info
->user_ptr
[1];
7894 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7896 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
7899 if (!rdev
->ops
->set_cqm_txe_config
)
7902 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7903 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7906 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
7909 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
7910 s32 threshold
, u32 hysteresis
)
7912 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7913 struct net_device
*dev
= info
->user_ptr
[1];
7914 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7919 /* disabling - hysteresis should also be zero then */
7923 if (!rdev
->ops
->set_cqm_rssi_config
)
7926 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7927 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7930 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
7933 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
7935 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
7939 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
7943 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
7944 nl80211_attr_cqm_policy
);
7948 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
7949 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
7950 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
7951 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
7953 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
7956 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
7957 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
7958 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
7959 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
7960 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
7961 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
7963 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
7969 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7971 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7972 struct net_device
*dev
= info
->user_ptr
[1];
7973 struct mesh_config cfg
;
7974 struct mesh_setup setup
;
7977 /* start with default */
7978 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
7979 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
7981 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
7982 /* and parse parameters if given */
7983 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
7988 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
7989 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
7992 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7993 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7995 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7996 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
7997 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8000 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8001 setup
.beacon_interval
=
8002 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8003 if (setup
.beacon_interval
< 10 ||
8004 setup
.beacon_interval
> 10000)
8008 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8010 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8011 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8015 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8016 /* parse additional setup parameters if given */
8017 err
= nl80211_parse_mesh_setup(info
, &setup
);
8023 cfg
.auto_open_plinks
= false;
8025 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8026 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8030 /* cfg80211_join_mesh() will sort it out */
8031 setup
.chandef
.chan
= NULL
;
8034 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8035 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8037 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8038 struct ieee80211_supported_band
*sband
;
8040 if (!setup
.chandef
.chan
)
8043 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8045 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8046 &setup
.basic_rates
);
8051 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8054 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8056 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8057 struct net_device
*dev
= info
->user_ptr
[1];
8059 return cfg80211_leave_mesh(rdev
, dev
);
8063 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8064 struct cfg80211_registered_device
*rdev
)
8066 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8067 struct nlattr
*nl_pats
, *nl_pat
;
8070 if (!wowlan
->n_patterns
)
8073 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8077 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8078 nl_pat
= nla_nest_start(msg
, i
+ 1);
8081 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8082 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8083 wowlan
->patterns
[i
].mask
) ||
8084 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8085 wowlan
->patterns
[i
].pattern
) ||
8086 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8087 wowlan
->patterns
[i
].pkt_offset
))
8089 nla_nest_end(msg
, nl_pat
);
8091 nla_nest_end(msg
, nl_pats
);
8096 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8097 struct cfg80211_wowlan_tcp
*tcp
)
8099 struct nlattr
*nl_tcp
;
8104 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8108 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8109 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8110 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8111 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8112 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8113 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8114 tcp
->payload_len
, tcp
->payload
) ||
8115 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8116 tcp
->data_interval
) ||
8117 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8118 tcp
->wake_len
, tcp
->wake_data
) ||
8119 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8120 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8123 if (tcp
->payload_seq
.len
&&
8124 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8125 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8128 if (tcp
->payload_tok
.len
&&
8129 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8130 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8134 nla_nest_end(msg
, nl_tcp
);
8139 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8141 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8142 struct sk_buff
*msg
;
8144 u32 size
= NLMSG_DEFAULT_SIZE
;
8146 if (!rdev
->wiphy
.wowlan
)
8149 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8150 /* adjust size to have room for all the data */
8151 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8152 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8153 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8154 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8157 msg
= nlmsg_new(size
, GFP_KERNEL
);
8161 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8162 NL80211_CMD_GET_WOWLAN
);
8164 goto nla_put_failure
;
8166 if (rdev
->wiphy
.wowlan_config
) {
8167 struct nlattr
*nl_wowlan
;
8169 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8171 goto nla_put_failure
;
8173 if ((rdev
->wiphy
.wowlan_config
->any
&&
8174 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8175 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8176 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8177 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8178 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8179 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8180 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8181 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8182 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8183 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8184 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8185 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8186 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8187 goto nla_put_failure
;
8189 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8190 goto nla_put_failure
;
8192 if (nl80211_send_wowlan_tcp(msg
,
8193 rdev
->wiphy
.wowlan_config
->tcp
))
8194 goto nla_put_failure
;
8196 nla_nest_end(msg
, nl_wowlan
);
8199 genlmsg_end(msg
, hdr
);
8200 return genlmsg_reply(msg
, info
);
8207 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8208 struct nlattr
*attr
,
8209 struct cfg80211_wowlan
*trig
)
8211 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8212 struct cfg80211_wowlan_tcp
*cfg
;
8213 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8214 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8216 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8219 if (!rdev
->wiphy
.wowlan
->tcp
)
8222 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8223 nla_data(attr
), nla_len(attr
),
8224 nl80211_wowlan_tcp_policy
);
8228 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8229 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8230 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8231 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8232 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8233 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8234 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8235 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8238 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8239 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8242 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8243 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8244 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8247 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8248 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8251 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8252 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8255 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8256 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8258 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8259 tokens_size
= tokln
- sizeof(*tok
);
8261 if (!tok
->len
|| tokens_size
% tok
->len
)
8263 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8265 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8267 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8269 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8271 if (tok
->offset
+ tok
->len
> data_size
)
8275 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8276 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8277 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8279 if (seq
->len
== 0 || seq
->len
> 4)
8281 if (seq
->len
+ seq
->offset
> data_size
)
8285 size
= sizeof(*cfg
);
8287 size
+= wake_size
+ wake_mask_size
;
8288 size
+= tokens_size
;
8290 cfg
= kzalloc(size
, GFP_KERNEL
);
8293 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8294 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8295 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8297 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8298 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8302 /* allocate a socket and port for it and use it */
8303 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8304 IPPROTO_TCP
, &cfg
->sock
, 1);
8309 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8310 sock_release(cfg
->sock
);
8314 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8320 cfg
->src_port
= port
;
8323 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8324 cfg
->payload_len
= data_size
;
8325 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8326 memcpy((void *)cfg
->payload
,
8327 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8330 cfg
->payload_seq
= *seq
;
8331 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8332 cfg
->wake_len
= wake_size
;
8333 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8334 memcpy((void *)cfg
->wake_data
,
8335 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8337 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8338 data_size
+ wake_size
;
8339 memcpy((void *)cfg
->wake_mask
,
8340 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8343 cfg
->tokens_size
= tokens_size
;
8344 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8352 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8354 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8355 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8356 struct cfg80211_wowlan new_triggers
= {};
8357 struct cfg80211_wowlan
*ntrig
;
8358 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8360 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8365 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8366 cfg80211_rdev_free_wowlan(rdev
);
8367 rdev
->wiphy
.wowlan_config
= NULL
;
8371 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8372 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8373 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8374 nl80211_wowlan_policy
);
8378 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8379 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8381 new_triggers
.any
= true;
8384 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8385 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8387 new_triggers
.disconnect
= true;
8390 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8391 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8393 new_triggers
.magic_pkt
= true;
8396 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8399 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8400 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8402 new_triggers
.gtk_rekey_failure
= true;
8405 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8406 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8408 new_triggers
.eap_identity_req
= true;
8411 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8412 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8414 new_triggers
.four_way_handshake
= true;
8417 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8418 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8420 new_triggers
.rfkill_release
= true;
8423 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8426 int rem
, pat_len
, mask_len
, pkt_offset
;
8427 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8429 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8432 if (n_patterns
> wowlan
->n_patterns
)
8435 new_triggers
.patterns
= kcalloc(n_patterns
,
8436 sizeof(new_triggers
.patterns
[0]),
8438 if (!new_triggers
.patterns
)
8441 new_triggers
.n_patterns
= n_patterns
;
8444 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8446 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8447 nla_len(pat
), NULL
);
8449 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8450 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8452 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8453 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8454 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8456 if (pat_len
> wowlan
->pattern_max_len
||
8457 pat_len
< wowlan
->pattern_min_len
)
8460 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8463 pkt_offset
= nla_get_u32(
8464 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8465 if (pkt_offset
> wowlan
->max_pkt_offset
)
8467 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8469 new_triggers
.patterns
[i
].mask
=
8470 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8471 if (!new_triggers
.patterns
[i
].mask
) {
8475 new_triggers
.patterns
[i
].pattern
=
8476 new_triggers
.patterns
[i
].mask
+ mask_len
;
8477 memcpy(new_triggers
.patterns
[i
].mask
,
8478 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8480 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8481 memcpy(new_triggers
.patterns
[i
].pattern
,
8482 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8488 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8489 err
= nl80211_parse_wowlan_tcp(
8490 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8496 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8501 cfg80211_rdev_free_wowlan(rdev
);
8502 rdev
->wiphy
.wowlan_config
= ntrig
;
8505 if (rdev
->ops
->set_wakeup
&&
8506 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8507 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8511 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8512 kfree(new_triggers
.patterns
[i
].mask
);
8513 kfree(new_triggers
.patterns
);
8514 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8515 sock_release(new_triggers
.tcp
->sock
);
8516 kfree(new_triggers
.tcp
);
8521 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8522 struct cfg80211_registered_device
*rdev
)
8524 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8526 struct cfg80211_coalesce_rules
*rule
;
8528 if (!rdev
->coalesce
->n_rules
)
8531 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8535 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8536 nl_rule
= nla_nest_start(msg
, i
+ 1);
8540 rule
= &rdev
->coalesce
->rules
[i
];
8541 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8545 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8549 nl_pats
= nla_nest_start(msg
,
8550 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8554 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8555 nl_pat
= nla_nest_start(msg
, j
+ 1);
8558 pat_len
= rule
->patterns
[j
].pattern_len
;
8559 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8560 DIV_ROUND_UP(pat_len
, 8),
8561 rule
->patterns
[j
].mask
) ||
8562 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8563 rule
->patterns
[j
].pattern
) ||
8564 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8565 rule
->patterns
[j
].pkt_offset
))
8567 nla_nest_end(msg
, nl_pat
);
8569 nla_nest_end(msg
, nl_pats
);
8570 nla_nest_end(msg
, nl_rule
);
8572 nla_nest_end(msg
, nl_rules
);
8577 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8579 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8580 struct sk_buff
*msg
;
8583 if (!rdev
->wiphy
.coalesce
)
8586 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8590 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8591 NL80211_CMD_GET_COALESCE
);
8593 goto nla_put_failure
;
8595 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8596 goto nla_put_failure
;
8598 genlmsg_end(msg
, hdr
);
8599 return genlmsg_reply(msg
, info
);
8606 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8608 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8610 struct cfg80211_coalesce_rules
*rule
;
8615 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8616 rule
= &coalesce
->rules
[i
];
8617 for (j
= 0; j
< rule
->n_patterns
; j
++)
8618 kfree(rule
->patterns
[j
].mask
);
8619 kfree(rule
->patterns
);
8621 kfree(coalesce
->rules
);
8623 rdev
->coalesce
= NULL
;
8626 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8627 struct nlattr
*rule
,
8628 struct cfg80211_coalesce_rules
*new_rule
)
8631 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8632 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8633 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8634 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8636 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8637 nla_len(rule
), nl80211_coalesce_policy
);
8641 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8643 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8644 if (new_rule
->delay
> coalesce
->max_delay
)
8647 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8648 new_rule
->condition
=
8649 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8650 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8651 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8654 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8657 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8660 if (n_patterns
> coalesce
->n_patterns
)
8663 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8665 if (!new_rule
->patterns
)
8668 new_rule
->n_patterns
= n_patterns
;
8671 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8673 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8674 nla_len(pat
), NULL
);
8675 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8676 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8678 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8679 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8680 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8682 if (pat_len
> coalesce
->pattern_max_len
||
8683 pat_len
< coalesce
->pattern_min_len
)
8686 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8689 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8690 if (pkt_offset
> coalesce
->max_pkt_offset
)
8692 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8694 new_rule
->patterns
[i
].mask
=
8695 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8696 if (!new_rule
->patterns
[i
].mask
)
8698 new_rule
->patterns
[i
].pattern
=
8699 new_rule
->patterns
[i
].mask
+ mask_len
;
8700 memcpy(new_rule
->patterns
[i
].mask
,
8701 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]), mask_len
);
8702 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8703 memcpy(new_rule
->patterns
[i
].pattern
,
8704 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]), pat_len
);
8711 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8713 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8714 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8715 struct cfg80211_coalesce new_coalesce
= {};
8716 struct cfg80211_coalesce
*n_coalesce
;
8717 int err
, rem_rule
, n_rules
= 0, i
, j
;
8718 struct nlattr
*rule
;
8719 struct cfg80211_coalesce_rules
*tmp_rule
;
8721 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8724 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8725 cfg80211_rdev_free_coalesce(rdev
);
8726 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8730 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8733 if (n_rules
> coalesce
->n_rules
)
8736 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8738 if (!new_coalesce
.rules
)
8741 new_coalesce
.n_rules
= n_rules
;
8744 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8746 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8747 &new_coalesce
.rules
[i
]);
8754 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8758 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8763 cfg80211_rdev_free_coalesce(rdev
);
8764 rdev
->coalesce
= n_coalesce
;
8768 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8769 tmp_rule
= &new_coalesce
.rules
[i
];
8770 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8771 kfree(tmp_rule
->patterns
[j
].mask
);
8772 kfree(tmp_rule
->patterns
);
8774 kfree(new_coalesce
.rules
);
8779 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8781 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8782 struct net_device
*dev
= info
->user_ptr
[1];
8783 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8784 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8785 struct cfg80211_gtk_rekey_data rekey_data
;
8788 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8791 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8792 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8793 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8794 nl80211_rekey_policy
);
8798 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8800 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8802 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8805 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8807 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8809 memcpy(rekey_data
.replay_ctr
,
8810 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8811 NL80211_REPLAY_CTR_LEN
);
8814 if (!wdev
->current_bss
) {
8819 if (!rdev
->ops
->set_rekey_data
) {
8824 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8830 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8831 struct genl_info
*info
)
8833 struct net_device
*dev
= info
->user_ptr
[1];
8834 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8836 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8837 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8840 if (wdev
->ap_unexpected_nlportid
)
8843 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8847 static int nl80211_probe_client(struct sk_buff
*skb
,
8848 struct genl_info
*info
)
8850 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8851 struct net_device
*dev
= info
->user_ptr
[1];
8852 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8853 struct sk_buff
*msg
;
8859 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8860 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8863 if (!info
->attrs
[NL80211_ATTR_MAC
])
8866 if (!rdev
->ops
->probe_client
)
8869 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8873 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8874 NL80211_CMD_PROBE_CLIENT
);
8880 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8882 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
8886 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8887 goto nla_put_failure
;
8889 genlmsg_end(msg
, hdr
);
8891 return genlmsg_reply(msg
, info
);
8900 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
8902 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8903 struct cfg80211_beacon_registration
*reg
, *nreg
;
8906 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
8909 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
8913 /* First, check if already registered. */
8914 spin_lock_bh(&rdev
->beacon_registrations_lock
);
8915 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
8916 if (reg
->nlportid
== info
->snd_portid
) {
8921 /* Add it to the list */
8922 nreg
->nlportid
= info
->snd_portid
;
8923 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
8925 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8929 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8934 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8936 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8937 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8940 if (!rdev
->ops
->start_p2p_device
)
8943 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8946 if (wdev
->p2p_started
)
8949 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
8953 err
= rdev_start_p2p_device(rdev
, wdev
);
8957 wdev
->p2p_started
= true;
8963 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8965 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8966 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8968 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8971 if (!rdev
->ops
->stop_p2p_device
)
8974 cfg80211_stop_p2p_device(rdev
, wdev
);
8979 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
8980 struct genl_info
*info
)
8983 struct sk_buff
*msg
;
8985 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8989 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8990 NL80211_CMD_GET_PROTOCOL_FEATURES
);
8992 goto nla_put_failure
;
8994 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
8995 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
8996 goto nla_put_failure
;
8998 genlmsg_end(msg
, hdr
);
8999 return genlmsg_reply(msg
, info
);
9006 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9008 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9009 struct cfg80211_update_ft_ies_params ft_params
;
9010 struct net_device
*dev
= info
->user_ptr
[1];
9012 if (!rdev
->ops
->update_ft_ies
)
9015 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9016 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9019 memset(&ft_params
, 0, sizeof(ft_params
));
9020 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9021 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9022 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9024 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9027 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9028 struct genl_info
*info
)
9030 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9031 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9032 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9036 if (!rdev
->ops
->crit_proto_start
)
9039 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9042 if (rdev
->crit_proto_nlportid
)
9045 /* determine protocol if provided */
9046 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9047 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9049 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9052 /* timeout must be provided */
9053 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9057 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9059 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9062 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9064 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9069 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9070 struct genl_info
*info
)
9072 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9073 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9075 if (!rdev
->ops
->crit_proto_stop
)
9078 if (rdev
->crit_proto_nlportid
) {
9079 rdev
->crit_proto_nlportid
= 0;
9080 rdev_crit_proto_stop(rdev
, wdev
);
9085 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9087 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9088 struct wireless_dev
*wdev
=
9089 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9093 if (!rdev
->wiphy
.vendor_commands
)
9097 err
= PTR_ERR(wdev
);
9101 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9105 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9106 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9109 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9110 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9111 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9112 const struct wiphy_vendor_command
*vcmd
;
9116 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9118 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9121 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9122 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9125 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9129 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9131 !netif_running(wdev
->netdev
))
9133 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9140 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9141 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9142 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9145 rdev
->cur_cmd_info
= info
;
9146 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9148 rdev
->cur_cmd_info
= NULL
;
9155 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9156 enum nl80211_commands cmd
,
9157 enum nl80211_attrs attr
,
9160 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
9162 if (WARN_ON(!rdev
->cur_cmd_info
))
9165 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9166 rdev
->cur_cmd_info
->snd_portid
,
9167 rdev
->cur_cmd_info
->snd_seq
,
9168 cmd
, attr
, NULL
, GFP_KERNEL
);
9170 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9172 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9174 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9175 void *hdr
= ((void **)skb
->cb
)[1];
9176 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9178 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9183 nla_nest_end(skb
, data
);
9184 genlmsg_end(skb
, hdr
);
9185 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9187 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9190 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9191 struct genl_info
*info
)
9193 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9194 struct cfg80211_qos_map
*qos_map
= NULL
;
9195 struct net_device
*dev
= info
->user_ptr
[1];
9196 u8
*pos
, len
, num_des
, des_len
, des
;
9199 if (!rdev
->ops
->set_qos_map
)
9202 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9203 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9204 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9206 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9207 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9210 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9214 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9217 sizeof(struct cfg80211_dscp_exception
);
9218 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9219 qos_map
->num_des
= num_des
;
9220 for (des
= 0; des
< num_des
; des
++) {
9221 if (qos_map
->dscp_exception
[des
].up
> 7) {
9228 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9231 wdev_lock(dev
->ieee80211_ptr
);
9232 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9234 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9235 wdev_unlock(dev
->ieee80211_ptr
);
9241 #define NL80211_FLAG_NEED_WIPHY 0x01
9242 #define NL80211_FLAG_NEED_NETDEV 0x02
9243 #define NL80211_FLAG_NEED_RTNL 0x04
9244 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9245 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9246 NL80211_FLAG_CHECK_NETDEV_UP)
9247 #define NL80211_FLAG_NEED_WDEV 0x10
9248 /* If a netdev is associated, it must be UP, P2P must be started */
9249 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9250 NL80211_FLAG_CHECK_NETDEV_UP)
9252 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9253 struct genl_info
*info
)
9255 struct cfg80211_registered_device
*rdev
;
9256 struct wireless_dev
*wdev
;
9257 struct net_device
*dev
;
9258 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9263 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9264 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9268 return PTR_ERR(rdev
);
9270 info
->user_ptr
[0] = rdev
;
9271 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9272 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9275 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9280 return PTR_ERR(wdev
);
9284 rdev
= wiphy_to_dev(wdev
->wiphy
);
9286 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9293 info
->user_ptr
[1] = dev
;
9295 info
->user_ptr
[1] = wdev
;
9299 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9300 !netif_running(dev
)) {
9307 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9308 if (!wdev
->p2p_started
) {
9315 info
->user_ptr
[0] = rdev
;
9321 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9322 struct genl_info
*info
)
9324 if (info
->user_ptr
[1]) {
9325 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9326 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9329 dev_put(wdev
->netdev
);
9331 dev_put(info
->user_ptr
[1]);
9334 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9338 static const struct genl_ops nl80211_ops
[] = {
9340 .cmd
= NL80211_CMD_GET_WIPHY
,
9341 .doit
= nl80211_get_wiphy
,
9342 .dumpit
= nl80211_dump_wiphy
,
9343 .done
= nl80211_dump_wiphy_done
,
9344 .policy
= nl80211_policy
,
9345 /* can be retrieved by unprivileged users */
9346 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9347 NL80211_FLAG_NEED_RTNL
,
9350 .cmd
= NL80211_CMD_SET_WIPHY
,
9351 .doit
= nl80211_set_wiphy
,
9352 .policy
= nl80211_policy
,
9353 .flags
= GENL_ADMIN_PERM
,
9354 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9357 .cmd
= NL80211_CMD_GET_INTERFACE
,
9358 .doit
= nl80211_get_interface
,
9359 .dumpit
= nl80211_dump_interface
,
9360 .policy
= nl80211_policy
,
9361 /* can be retrieved by unprivileged users */
9362 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9363 NL80211_FLAG_NEED_RTNL
,
9366 .cmd
= NL80211_CMD_SET_INTERFACE
,
9367 .doit
= nl80211_set_interface
,
9368 .policy
= nl80211_policy
,
9369 .flags
= GENL_ADMIN_PERM
,
9370 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9371 NL80211_FLAG_NEED_RTNL
,
9374 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9375 .doit
= nl80211_new_interface
,
9376 .policy
= nl80211_policy
,
9377 .flags
= GENL_ADMIN_PERM
,
9378 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9379 NL80211_FLAG_NEED_RTNL
,
9382 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9383 .doit
= nl80211_del_interface
,
9384 .policy
= nl80211_policy
,
9385 .flags
= GENL_ADMIN_PERM
,
9386 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9387 NL80211_FLAG_NEED_RTNL
,
9390 .cmd
= NL80211_CMD_GET_KEY
,
9391 .doit
= nl80211_get_key
,
9392 .policy
= nl80211_policy
,
9393 .flags
= GENL_ADMIN_PERM
,
9394 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9395 NL80211_FLAG_NEED_RTNL
,
9398 .cmd
= NL80211_CMD_SET_KEY
,
9399 .doit
= nl80211_set_key
,
9400 .policy
= nl80211_policy
,
9401 .flags
= GENL_ADMIN_PERM
,
9402 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9403 NL80211_FLAG_NEED_RTNL
,
9406 .cmd
= NL80211_CMD_NEW_KEY
,
9407 .doit
= nl80211_new_key
,
9408 .policy
= nl80211_policy
,
9409 .flags
= GENL_ADMIN_PERM
,
9410 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9411 NL80211_FLAG_NEED_RTNL
,
9414 .cmd
= NL80211_CMD_DEL_KEY
,
9415 .doit
= nl80211_del_key
,
9416 .policy
= nl80211_policy
,
9417 .flags
= GENL_ADMIN_PERM
,
9418 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9419 NL80211_FLAG_NEED_RTNL
,
9422 .cmd
= NL80211_CMD_SET_BEACON
,
9423 .policy
= nl80211_policy
,
9424 .flags
= GENL_ADMIN_PERM
,
9425 .doit
= nl80211_set_beacon
,
9426 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9427 NL80211_FLAG_NEED_RTNL
,
9430 .cmd
= NL80211_CMD_START_AP
,
9431 .policy
= nl80211_policy
,
9432 .flags
= GENL_ADMIN_PERM
,
9433 .doit
= nl80211_start_ap
,
9434 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9435 NL80211_FLAG_NEED_RTNL
,
9438 .cmd
= NL80211_CMD_STOP_AP
,
9439 .policy
= nl80211_policy
,
9440 .flags
= GENL_ADMIN_PERM
,
9441 .doit
= nl80211_stop_ap
,
9442 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9443 NL80211_FLAG_NEED_RTNL
,
9446 .cmd
= NL80211_CMD_GET_STATION
,
9447 .doit
= nl80211_get_station
,
9448 .dumpit
= nl80211_dump_station
,
9449 .policy
= nl80211_policy
,
9450 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9451 NL80211_FLAG_NEED_RTNL
,
9454 .cmd
= NL80211_CMD_SET_STATION
,
9455 .doit
= nl80211_set_station
,
9456 .policy
= nl80211_policy
,
9457 .flags
= GENL_ADMIN_PERM
,
9458 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9459 NL80211_FLAG_NEED_RTNL
,
9462 .cmd
= NL80211_CMD_NEW_STATION
,
9463 .doit
= nl80211_new_station
,
9464 .policy
= nl80211_policy
,
9465 .flags
= GENL_ADMIN_PERM
,
9466 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9467 NL80211_FLAG_NEED_RTNL
,
9470 .cmd
= NL80211_CMD_DEL_STATION
,
9471 .doit
= nl80211_del_station
,
9472 .policy
= nl80211_policy
,
9473 .flags
= GENL_ADMIN_PERM
,
9474 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9475 NL80211_FLAG_NEED_RTNL
,
9478 .cmd
= NL80211_CMD_GET_MPATH
,
9479 .doit
= nl80211_get_mpath
,
9480 .dumpit
= nl80211_dump_mpath
,
9481 .policy
= nl80211_policy
,
9482 .flags
= GENL_ADMIN_PERM
,
9483 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9484 NL80211_FLAG_NEED_RTNL
,
9487 .cmd
= NL80211_CMD_SET_MPATH
,
9488 .doit
= nl80211_set_mpath
,
9489 .policy
= nl80211_policy
,
9490 .flags
= GENL_ADMIN_PERM
,
9491 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9492 NL80211_FLAG_NEED_RTNL
,
9495 .cmd
= NL80211_CMD_NEW_MPATH
,
9496 .doit
= nl80211_new_mpath
,
9497 .policy
= nl80211_policy
,
9498 .flags
= GENL_ADMIN_PERM
,
9499 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9500 NL80211_FLAG_NEED_RTNL
,
9503 .cmd
= NL80211_CMD_DEL_MPATH
,
9504 .doit
= nl80211_del_mpath
,
9505 .policy
= nl80211_policy
,
9506 .flags
= GENL_ADMIN_PERM
,
9507 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9508 NL80211_FLAG_NEED_RTNL
,
9511 .cmd
= NL80211_CMD_SET_BSS
,
9512 .doit
= nl80211_set_bss
,
9513 .policy
= nl80211_policy
,
9514 .flags
= GENL_ADMIN_PERM
,
9515 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9516 NL80211_FLAG_NEED_RTNL
,
9519 .cmd
= NL80211_CMD_GET_REG
,
9520 .doit
= nl80211_get_reg
,
9521 .policy
= nl80211_policy
,
9522 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9523 /* can be retrieved by unprivileged users */
9526 .cmd
= NL80211_CMD_SET_REG
,
9527 .doit
= nl80211_set_reg
,
9528 .policy
= nl80211_policy
,
9529 .flags
= GENL_ADMIN_PERM
,
9530 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9533 .cmd
= NL80211_CMD_REQ_SET_REG
,
9534 .doit
= nl80211_req_set_reg
,
9535 .policy
= nl80211_policy
,
9536 .flags
= GENL_ADMIN_PERM
,
9539 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9540 .doit
= nl80211_get_mesh_config
,
9541 .policy
= nl80211_policy
,
9542 /* can be retrieved by unprivileged users */
9543 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9544 NL80211_FLAG_NEED_RTNL
,
9547 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9548 .doit
= nl80211_update_mesh_config
,
9549 .policy
= nl80211_policy
,
9550 .flags
= GENL_ADMIN_PERM
,
9551 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9552 NL80211_FLAG_NEED_RTNL
,
9555 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9556 .doit
= nl80211_trigger_scan
,
9557 .policy
= nl80211_policy
,
9558 .flags
= GENL_ADMIN_PERM
,
9559 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9560 NL80211_FLAG_NEED_RTNL
,
9563 .cmd
= NL80211_CMD_GET_SCAN
,
9564 .policy
= nl80211_policy
,
9565 .dumpit
= nl80211_dump_scan
,
9568 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9569 .doit
= nl80211_start_sched_scan
,
9570 .policy
= nl80211_policy
,
9571 .flags
= GENL_ADMIN_PERM
,
9572 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9573 NL80211_FLAG_NEED_RTNL
,
9576 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9577 .doit
= nl80211_stop_sched_scan
,
9578 .policy
= nl80211_policy
,
9579 .flags
= GENL_ADMIN_PERM
,
9580 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9581 NL80211_FLAG_NEED_RTNL
,
9584 .cmd
= NL80211_CMD_AUTHENTICATE
,
9585 .doit
= nl80211_authenticate
,
9586 .policy
= nl80211_policy
,
9587 .flags
= GENL_ADMIN_PERM
,
9588 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9589 NL80211_FLAG_NEED_RTNL
,
9592 .cmd
= NL80211_CMD_ASSOCIATE
,
9593 .doit
= nl80211_associate
,
9594 .policy
= nl80211_policy
,
9595 .flags
= GENL_ADMIN_PERM
,
9596 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9597 NL80211_FLAG_NEED_RTNL
,
9600 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9601 .doit
= nl80211_deauthenticate
,
9602 .policy
= nl80211_policy
,
9603 .flags
= GENL_ADMIN_PERM
,
9604 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9605 NL80211_FLAG_NEED_RTNL
,
9608 .cmd
= NL80211_CMD_DISASSOCIATE
,
9609 .doit
= nl80211_disassociate
,
9610 .policy
= nl80211_policy
,
9611 .flags
= GENL_ADMIN_PERM
,
9612 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9613 NL80211_FLAG_NEED_RTNL
,
9616 .cmd
= NL80211_CMD_JOIN_IBSS
,
9617 .doit
= nl80211_join_ibss
,
9618 .policy
= nl80211_policy
,
9619 .flags
= GENL_ADMIN_PERM
,
9620 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9621 NL80211_FLAG_NEED_RTNL
,
9624 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9625 .doit
= nl80211_leave_ibss
,
9626 .policy
= nl80211_policy
,
9627 .flags
= GENL_ADMIN_PERM
,
9628 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9629 NL80211_FLAG_NEED_RTNL
,
9631 #ifdef CONFIG_NL80211_TESTMODE
9633 .cmd
= NL80211_CMD_TESTMODE
,
9634 .doit
= nl80211_testmode_do
,
9635 .dumpit
= nl80211_testmode_dump
,
9636 .policy
= nl80211_policy
,
9637 .flags
= GENL_ADMIN_PERM
,
9638 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9639 NL80211_FLAG_NEED_RTNL
,
9643 .cmd
= NL80211_CMD_CONNECT
,
9644 .doit
= nl80211_connect
,
9645 .policy
= nl80211_policy
,
9646 .flags
= GENL_ADMIN_PERM
,
9647 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9648 NL80211_FLAG_NEED_RTNL
,
9651 .cmd
= NL80211_CMD_DISCONNECT
,
9652 .doit
= nl80211_disconnect
,
9653 .policy
= nl80211_policy
,
9654 .flags
= GENL_ADMIN_PERM
,
9655 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9656 NL80211_FLAG_NEED_RTNL
,
9659 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9660 .doit
= nl80211_wiphy_netns
,
9661 .policy
= nl80211_policy
,
9662 .flags
= GENL_ADMIN_PERM
,
9663 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9664 NL80211_FLAG_NEED_RTNL
,
9667 .cmd
= NL80211_CMD_GET_SURVEY
,
9668 .policy
= nl80211_policy
,
9669 .dumpit
= nl80211_dump_survey
,
9672 .cmd
= NL80211_CMD_SET_PMKSA
,
9673 .doit
= nl80211_setdel_pmksa
,
9674 .policy
= nl80211_policy
,
9675 .flags
= GENL_ADMIN_PERM
,
9676 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9677 NL80211_FLAG_NEED_RTNL
,
9680 .cmd
= NL80211_CMD_DEL_PMKSA
,
9681 .doit
= nl80211_setdel_pmksa
,
9682 .policy
= nl80211_policy
,
9683 .flags
= GENL_ADMIN_PERM
,
9684 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9685 NL80211_FLAG_NEED_RTNL
,
9688 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9689 .doit
= nl80211_flush_pmksa
,
9690 .policy
= nl80211_policy
,
9691 .flags
= GENL_ADMIN_PERM
,
9692 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9693 NL80211_FLAG_NEED_RTNL
,
9696 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9697 .doit
= nl80211_remain_on_channel
,
9698 .policy
= nl80211_policy
,
9699 .flags
= GENL_ADMIN_PERM
,
9700 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9701 NL80211_FLAG_NEED_RTNL
,
9704 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9705 .doit
= nl80211_cancel_remain_on_channel
,
9706 .policy
= nl80211_policy
,
9707 .flags
= GENL_ADMIN_PERM
,
9708 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9709 NL80211_FLAG_NEED_RTNL
,
9712 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9713 .doit
= nl80211_set_tx_bitrate_mask
,
9714 .policy
= nl80211_policy
,
9715 .flags
= GENL_ADMIN_PERM
,
9716 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9717 NL80211_FLAG_NEED_RTNL
,
9720 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9721 .doit
= nl80211_register_mgmt
,
9722 .policy
= nl80211_policy
,
9723 .flags
= GENL_ADMIN_PERM
,
9724 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9725 NL80211_FLAG_NEED_RTNL
,
9728 .cmd
= NL80211_CMD_FRAME
,
9729 .doit
= nl80211_tx_mgmt
,
9730 .policy
= nl80211_policy
,
9731 .flags
= GENL_ADMIN_PERM
,
9732 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9733 NL80211_FLAG_NEED_RTNL
,
9736 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9737 .doit
= nl80211_tx_mgmt_cancel_wait
,
9738 .policy
= nl80211_policy
,
9739 .flags
= GENL_ADMIN_PERM
,
9740 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9741 NL80211_FLAG_NEED_RTNL
,
9744 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9745 .doit
= nl80211_set_power_save
,
9746 .policy
= nl80211_policy
,
9747 .flags
= GENL_ADMIN_PERM
,
9748 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9749 NL80211_FLAG_NEED_RTNL
,
9752 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9753 .doit
= nl80211_get_power_save
,
9754 .policy
= nl80211_policy
,
9755 /* can be retrieved by unprivileged users */
9756 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9757 NL80211_FLAG_NEED_RTNL
,
9760 .cmd
= NL80211_CMD_SET_CQM
,
9761 .doit
= nl80211_set_cqm
,
9762 .policy
= nl80211_policy
,
9763 .flags
= GENL_ADMIN_PERM
,
9764 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9765 NL80211_FLAG_NEED_RTNL
,
9768 .cmd
= NL80211_CMD_SET_CHANNEL
,
9769 .doit
= nl80211_set_channel
,
9770 .policy
= nl80211_policy
,
9771 .flags
= GENL_ADMIN_PERM
,
9772 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9773 NL80211_FLAG_NEED_RTNL
,
9776 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9777 .doit
= nl80211_set_wds_peer
,
9778 .policy
= nl80211_policy
,
9779 .flags
= GENL_ADMIN_PERM
,
9780 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9781 NL80211_FLAG_NEED_RTNL
,
9784 .cmd
= NL80211_CMD_JOIN_MESH
,
9785 .doit
= nl80211_join_mesh
,
9786 .policy
= nl80211_policy
,
9787 .flags
= GENL_ADMIN_PERM
,
9788 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9789 NL80211_FLAG_NEED_RTNL
,
9792 .cmd
= NL80211_CMD_LEAVE_MESH
,
9793 .doit
= nl80211_leave_mesh
,
9794 .policy
= nl80211_policy
,
9795 .flags
= GENL_ADMIN_PERM
,
9796 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9797 NL80211_FLAG_NEED_RTNL
,
9801 .cmd
= NL80211_CMD_GET_WOWLAN
,
9802 .doit
= nl80211_get_wowlan
,
9803 .policy
= nl80211_policy
,
9804 /* can be retrieved by unprivileged users */
9805 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9806 NL80211_FLAG_NEED_RTNL
,
9809 .cmd
= NL80211_CMD_SET_WOWLAN
,
9810 .doit
= nl80211_set_wowlan
,
9811 .policy
= nl80211_policy
,
9812 .flags
= GENL_ADMIN_PERM
,
9813 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9814 NL80211_FLAG_NEED_RTNL
,
9818 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9819 .doit
= nl80211_set_rekey_data
,
9820 .policy
= nl80211_policy
,
9821 .flags
= GENL_ADMIN_PERM
,
9822 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9823 NL80211_FLAG_NEED_RTNL
,
9826 .cmd
= NL80211_CMD_TDLS_MGMT
,
9827 .doit
= nl80211_tdls_mgmt
,
9828 .policy
= nl80211_policy
,
9829 .flags
= GENL_ADMIN_PERM
,
9830 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9831 NL80211_FLAG_NEED_RTNL
,
9834 .cmd
= NL80211_CMD_TDLS_OPER
,
9835 .doit
= nl80211_tdls_oper
,
9836 .policy
= nl80211_policy
,
9837 .flags
= GENL_ADMIN_PERM
,
9838 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9839 NL80211_FLAG_NEED_RTNL
,
9842 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9843 .doit
= nl80211_register_unexpected_frame
,
9844 .policy
= nl80211_policy
,
9845 .flags
= GENL_ADMIN_PERM
,
9846 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9847 NL80211_FLAG_NEED_RTNL
,
9850 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9851 .doit
= nl80211_probe_client
,
9852 .policy
= nl80211_policy
,
9853 .flags
= GENL_ADMIN_PERM
,
9854 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9855 NL80211_FLAG_NEED_RTNL
,
9858 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9859 .doit
= nl80211_register_beacons
,
9860 .policy
= nl80211_policy
,
9861 .flags
= GENL_ADMIN_PERM
,
9862 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9863 NL80211_FLAG_NEED_RTNL
,
9866 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9867 .doit
= nl80211_set_noack_map
,
9868 .policy
= nl80211_policy
,
9869 .flags
= GENL_ADMIN_PERM
,
9870 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9871 NL80211_FLAG_NEED_RTNL
,
9874 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
9875 .doit
= nl80211_start_p2p_device
,
9876 .policy
= nl80211_policy
,
9877 .flags
= GENL_ADMIN_PERM
,
9878 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9879 NL80211_FLAG_NEED_RTNL
,
9882 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
9883 .doit
= nl80211_stop_p2p_device
,
9884 .policy
= nl80211_policy
,
9885 .flags
= GENL_ADMIN_PERM
,
9886 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9887 NL80211_FLAG_NEED_RTNL
,
9890 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
9891 .doit
= nl80211_set_mcast_rate
,
9892 .policy
= nl80211_policy
,
9893 .flags
= GENL_ADMIN_PERM
,
9894 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9895 NL80211_FLAG_NEED_RTNL
,
9898 .cmd
= NL80211_CMD_SET_MAC_ACL
,
9899 .doit
= nl80211_set_mac_acl
,
9900 .policy
= nl80211_policy
,
9901 .flags
= GENL_ADMIN_PERM
,
9902 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9903 NL80211_FLAG_NEED_RTNL
,
9906 .cmd
= NL80211_CMD_RADAR_DETECT
,
9907 .doit
= nl80211_start_radar_detection
,
9908 .policy
= nl80211_policy
,
9909 .flags
= GENL_ADMIN_PERM
,
9910 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9911 NL80211_FLAG_NEED_RTNL
,
9914 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
9915 .doit
= nl80211_get_protocol_features
,
9916 .policy
= nl80211_policy
,
9919 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
9920 .doit
= nl80211_update_ft_ies
,
9921 .policy
= nl80211_policy
,
9922 .flags
= GENL_ADMIN_PERM
,
9923 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9924 NL80211_FLAG_NEED_RTNL
,
9927 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
9928 .doit
= nl80211_crit_protocol_start
,
9929 .policy
= nl80211_policy
,
9930 .flags
= GENL_ADMIN_PERM
,
9931 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9932 NL80211_FLAG_NEED_RTNL
,
9935 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
9936 .doit
= nl80211_crit_protocol_stop
,
9937 .policy
= nl80211_policy
,
9938 .flags
= GENL_ADMIN_PERM
,
9939 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9940 NL80211_FLAG_NEED_RTNL
,
9943 .cmd
= NL80211_CMD_GET_COALESCE
,
9944 .doit
= nl80211_get_coalesce
,
9945 .policy
= nl80211_policy
,
9946 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9947 NL80211_FLAG_NEED_RTNL
,
9950 .cmd
= NL80211_CMD_SET_COALESCE
,
9951 .doit
= nl80211_set_coalesce
,
9952 .policy
= nl80211_policy
,
9953 .flags
= GENL_ADMIN_PERM
,
9954 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9955 NL80211_FLAG_NEED_RTNL
,
9958 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
9959 .doit
= nl80211_channel_switch
,
9960 .policy
= nl80211_policy
,
9961 .flags
= GENL_ADMIN_PERM
,
9962 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9963 NL80211_FLAG_NEED_RTNL
,
9966 .cmd
= NL80211_CMD_VENDOR
,
9967 .doit
= nl80211_vendor_cmd
,
9968 .policy
= nl80211_policy
,
9969 .flags
= GENL_ADMIN_PERM
,
9970 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9971 NL80211_FLAG_NEED_RTNL
,
9974 .cmd
= NL80211_CMD_SET_QOS_MAP
,
9975 .doit
= nl80211_set_qos_map
,
9976 .policy
= nl80211_policy
,
9977 .flags
= GENL_ADMIN_PERM
,
9978 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9979 NL80211_FLAG_NEED_RTNL
,
9983 /* notification functions */
9985 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
9987 struct sk_buff
*msg
;
9988 struct nl80211_dump_wiphy_state state
= {};
9990 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9994 if (nl80211_send_wiphy(rdev
, msg
, 0, 0, 0, &state
) < 0) {
9999 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10000 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10003 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10004 struct cfg80211_registered_device
*rdev
)
10006 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10007 struct nlattr
*nest
;
10013 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10015 goto nla_put_failure
;
10016 for (i
= 0; i
< req
->n_ssids
; i
++) {
10017 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10018 goto nla_put_failure
;
10020 nla_nest_end(msg
, nest
);
10022 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10024 goto nla_put_failure
;
10025 for (i
= 0; i
< req
->n_channels
; i
++) {
10026 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10027 goto nla_put_failure
;
10029 nla_nest_end(msg
, nest
);
10032 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10033 goto nla_put_failure
;
10036 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10037 goto nla_put_failure
;
10044 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10045 struct cfg80211_registered_device
*rdev
,
10046 struct wireless_dev
*wdev
,
10047 u32 portid
, u32 seq
, int flags
,
10052 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10056 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10057 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10058 wdev
->netdev
->ifindex
)) ||
10059 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10060 goto nla_put_failure
;
10062 /* ignore errors and send incomplete event anyway */
10063 nl80211_add_scan_req(msg
, rdev
);
10065 return genlmsg_end(msg
, hdr
);
10068 genlmsg_cancel(msg
, hdr
);
10073 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10074 struct cfg80211_registered_device
*rdev
,
10075 struct net_device
*netdev
,
10076 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10080 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10084 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10085 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10086 goto nla_put_failure
;
10088 return genlmsg_end(msg
, hdr
);
10091 genlmsg_cancel(msg
, hdr
);
10095 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10096 struct wireless_dev
*wdev
)
10098 struct sk_buff
*msg
;
10100 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10104 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10105 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10110 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10111 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10114 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
10115 struct wireless_dev
*wdev
)
10117 struct sk_buff
*msg
;
10119 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10123 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10124 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10129 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10130 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10133 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
10134 struct wireless_dev
*wdev
)
10136 struct sk_buff
*msg
;
10138 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10142 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10143 NL80211_CMD_SCAN_ABORTED
) < 0) {
10148 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10149 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10152 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10153 struct net_device
*netdev
)
10155 struct sk_buff
*msg
;
10157 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10161 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10162 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10167 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10168 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10171 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10172 struct net_device
*netdev
, u32 cmd
)
10174 struct sk_buff
*msg
;
10176 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10180 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10185 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10186 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10190 * This can happen on global regulatory changes or device specific settings
10191 * based on custom world regulatory domains.
10193 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10195 struct sk_buff
*msg
;
10198 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10202 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10208 /* Userspace can always count this one always being set */
10209 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10210 goto nla_put_failure
;
10212 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10213 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10214 NL80211_REGDOM_TYPE_WORLD
))
10215 goto nla_put_failure
;
10216 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10217 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10218 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10219 goto nla_put_failure
;
10220 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10221 request
->intersect
) {
10222 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10223 NL80211_REGDOM_TYPE_INTERSECTION
))
10224 goto nla_put_failure
;
10226 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10227 NL80211_REGDOM_TYPE_COUNTRY
) ||
10228 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10230 goto nla_put_failure
;
10233 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10234 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10235 goto nla_put_failure
;
10237 genlmsg_end(msg
, hdr
);
10240 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10241 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10247 genlmsg_cancel(msg
, hdr
);
10251 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
10252 struct net_device
*netdev
,
10253 const u8
*buf
, size_t len
,
10254 enum nl80211_commands cmd
, gfp_t gfp
)
10256 struct sk_buff
*msg
;
10259 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10263 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10269 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10270 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10271 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10272 goto nla_put_failure
;
10274 genlmsg_end(msg
, hdr
);
10276 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10277 NL80211_MCGRP_MLME
, gfp
);
10281 genlmsg_cancel(msg
, hdr
);
10285 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
10286 struct net_device
*netdev
, const u8
*buf
,
10287 size_t len
, gfp_t gfp
)
10289 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10290 NL80211_CMD_AUTHENTICATE
, gfp
);
10293 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
10294 struct net_device
*netdev
, const u8
*buf
,
10295 size_t len
, gfp_t gfp
)
10297 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10298 NL80211_CMD_ASSOCIATE
, gfp
);
10301 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
10302 struct net_device
*netdev
, const u8
*buf
,
10303 size_t len
, gfp_t gfp
)
10305 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10306 NL80211_CMD_DEAUTHENTICATE
, gfp
);
10309 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
10310 struct net_device
*netdev
, const u8
*buf
,
10311 size_t len
, gfp_t gfp
)
10313 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10314 NL80211_CMD_DISASSOCIATE
, gfp
);
10317 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
10320 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10321 struct wiphy
*wiphy
= wdev
->wiphy
;
10322 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10323 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
10326 if (WARN_ON(len
< 2))
10329 if (ieee80211_is_deauth(mgmt
->frame_control
))
10330 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
10332 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
10334 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
10335 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
10337 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
10339 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
10340 struct net_device
*netdev
, int cmd
,
10341 const u8
*addr
, gfp_t gfp
)
10343 struct sk_buff
*msg
;
10346 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10350 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10356 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10357 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10358 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
10359 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10360 goto nla_put_failure
;
10362 genlmsg_end(msg
, hdr
);
10364 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10365 NL80211_MCGRP_MLME
, gfp
);
10369 genlmsg_cancel(msg
, hdr
);
10373 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10374 struct net_device
*netdev
, const u8
*addr
,
10377 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10381 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10382 struct net_device
*netdev
, const u8
*addr
,
10385 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10389 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10390 struct net_device
*netdev
, const u8
*bssid
,
10391 const u8
*req_ie
, size_t req_ie_len
,
10392 const u8
*resp_ie
, size_t resp_ie_len
,
10393 u16 status
, gfp_t gfp
)
10395 struct sk_buff
*msg
;
10398 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10402 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10408 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10409 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10410 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10411 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10413 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10415 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10416 goto nla_put_failure
;
10418 genlmsg_end(msg
, hdr
);
10420 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10421 NL80211_MCGRP_MLME
, gfp
);
10425 genlmsg_cancel(msg
, hdr
);
10430 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10431 struct net_device
*netdev
, const u8
*bssid
,
10432 const u8
*req_ie
, size_t req_ie_len
,
10433 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10435 struct sk_buff
*msg
;
10438 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10442 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10448 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10449 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10450 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10452 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10454 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10455 goto nla_put_failure
;
10457 genlmsg_end(msg
, hdr
);
10459 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10460 NL80211_MCGRP_MLME
, gfp
);
10464 genlmsg_cancel(msg
, hdr
);
10469 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10470 struct net_device
*netdev
, u16 reason
,
10471 const u8
*ie
, size_t ie_len
, bool from_ap
)
10473 struct sk_buff
*msg
;
10476 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10480 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10486 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10487 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10488 (from_ap
&& reason
&&
10489 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10491 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10492 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10493 goto nla_put_failure
;
10495 genlmsg_end(msg
, hdr
);
10497 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10498 NL80211_MCGRP_MLME
, GFP_KERNEL
);
10502 genlmsg_cancel(msg
, hdr
);
10507 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10508 struct net_device
*netdev
, const u8
*bssid
,
10511 struct sk_buff
*msg
;
10514 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10518 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10524 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10525 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10526 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10527 goto nla_put_failure
;
10529 genlmsg_end(msg
, hdr
);
10531 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10532 NL80211_MCGRP_MLME
, gfp
);
10536 genlmsg_cancel(msg
, hdr
);
10540 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10541 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10543 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10544 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10545 struct sk_buff
*msg
;
10548 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10551 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10553 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10557 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10563 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10564 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10565 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10567 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10568 goto nla_put_failure
;
10570 genlmsg_end(msg
, hdr
);
10572 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10573 NL80211_MCGRP_MLME
, gfp
);
10577 genlmsg_cancel(msg
, hdr
);
10580 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10582 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10583 struct net_device
*netdev
, const u8
*addr
,
10584 enum nl80211_key_type key_type
, int key_id
,
10585 const u8
*tsc
, gfp_t gfp
)
10587 struct sk_buff
*msg
;
10590 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10594 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10600 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10601 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10602 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10603 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10605 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10606 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10607 goto nla_put_failure
;
10609 genlmsg_end(msg
, hdr
);
10611 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10612 NL80211_MCGRP_MLME
, gfp
);
10616 genlmsg_cancel(msg
, hdr
);
10620 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10621 struct ieee80211_channel
*channel_before
,
10622 struct ieee80211_channel
*channel_after
)
10624 struct sk_buff
*msg
;
10626 struct nlattr
*nl_freq
;
10628 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10632 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10639 * Since we are applying the beacon hint to a wiphy we know its
10640 * wiphy_idx is valid
10642 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10643 goto nla_put_failure
;
10646 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10648 goto nla_put_failure
;
10649 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10650 goto nla_put_failure
;
10651 nla_nest_end(msg
, nl_freq
);
10654 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10656 goto nla_put_failure
;
10657 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10658 goto nla_put_failure
;
10659 nla_nest_end(msg
, nl_freq
);
10661 genlmsg_end(msg
, hdr
);
10664 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10665 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10671 genlmsg_cancel(msg
, hdr
);
10675 static void nl80211_send_remain_on_chan_event(
10676 int cmd
, struct cfg80211_registered_device
*rdev
,
10677 struct wireless_dev
*wdev
, u64 cookie
,
10678 struct ieee80211_channel
*chan
,
10679 unsigned int duration
, gfp_t gfp
)
10681 struct sk_buff
*msg
;
10684 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10688 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10694 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10695 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10696 wdev
->netdev
->ifindex
)) ||
10697 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10698 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10699 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10700 NL80211_CHAN_NO_HT
) ||
10701 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10702 goto nla_put_failure
;
10704 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10705 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10706 goto nla_put_failure
;
10708 genlmsg_end(msg
, hdr
);
10710 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10711 NL80211_MCGRP_MLME
, gfp
);
10715 genlmsg_cancel(msg
, hdr
);
10719 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10720 struct ieee80211_channel
*chan
,
10721 unsigned int duration
, gfp_t gfp
)
10723 struct wiphy
*wiphy
= wdev
->wiphy
;
10724 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10726 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10727 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10728 rdev
, wdev
, cookie
, chan
,
10731 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10733 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10734 struct ieee80211_channel
*chan
,
10737 struct wiphy
*wiphy
= wdev
->wiphy
;
10738 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10740 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10741 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10742 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10744 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10746 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10747 struct station_info
*sinfo
, gfp_t gfp
)
10749 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10750 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10751 struct sk_buff
*msg
;
10753 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10755 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10759 if (nl80211_send_station(msg
, 0, 0, 0,
10760 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10765 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10766 NL80211_MCGRP_MLME
, gfp
);
10768 EXPORT_SYMBOL(cfg80211_new_sta
);
10770 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10772 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10773 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10774 struct sk_buff
*msg
;
10777 trace_cfg80211_del_sta(dev
, mac_addr
);
10779 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10783 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10789 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10790 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10791 goto nla_put_failure
;
10793 genlmsg_end(msg
, hdr
);
10795 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10796 NL80211_MCGRP_MLME
, gfp
);
10800 genlmsg_cancel(msg
, hdr
);
10803 EXPORT_SYMBOL(cfg80211_del_sta
);
10805 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10806 enum nl80211_connect_failed_reason reason
,
10809 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10810 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10811 struct sk_buff
*msg
;
10814 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10818 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10824 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10825 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10826 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10827 goto nla_put_failure
;
10829 genlmsg_end(msg
, hdr
);
10831 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10832 NL80211_MCGRP_MLME
, gfp
);
10836 genlmsg_cancel(msg
, hdr
);
10839 EXPORT_SYMBOL(cfg80211_conn_failed
);
10841 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10842 const u8
*addr
, gfp_t gfp
)
10844 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10845 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10846 struct sk_buff
*msg
;
10848 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10853 msg
= nlmsg_new(100, gfp
);
10857 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10863 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10864 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10865 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10866 goto nla_put_failure
;
10868 genlmsg_end(msg
, hdr
);
10869 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10873 genlmsg_cancel(msg
, hdr
);
10878 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
10879 const u8
*addr
, gfp_t gfp
)
10881 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10884 trace_cfg80211_rx_spurious_frame(dev
, addr
);
10886 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10887 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
10888 trace_cfg80211_return_bool(false);
10891 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
10893 trace_cfg80211_return_bool(ret
);
10896 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
10898 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
10899 const u8
*addr
, gfp_t gfp
)
10901 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10904 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
10906 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10907 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10908 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
10909 trace_cfg80211_return_bool(false);
10912 ret
= __nl80211_unexpected_frame(dev
,
10913 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
10915 trace_cfg80211_return_bool(ret
);
10918 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
10920 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
10921 struct wireless_dev
*wdev
, u32 nlportid
,
10922 int freq
, int sig_dbm
,
10923 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
10925 struct net_device
*netdev
= wdev
->netdev
;
10926 struct sk_buff
*msg
;
10929 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10933 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
10939 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10940 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10941 netdev
->ifindex
)) ||
10942 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10943 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
10945 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
10946 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10948 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
10949 goto nla_put_failure
;
10951 genlmsg_end(msg
, hdr
);
10953 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10956 genlmsg_cancel(msg
, hdr
);
10961 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
10962 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
10964 struct wiphy
*wiphy
= wdev
->wiphy
;
10965 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10966 struct net_device
*netdev
= wdev
->netdev
;
10967 struct sk_buff
*msg
;
10970 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
10972 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10976 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
10982 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10983 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10984 netdev
->ifindex
)) ||
10985 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10986 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10987 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
10988 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
10989 goto nla_put_failure
;
10991 genlmsg_end(msg
, hdr
);
10993 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10994 NL80211_MCGRP_MLME
, gfp
);
10998 genlmsg_cancel(msg
, hdr
);
11001 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11003 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11004 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11007 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11008 struct wiphy
*wiphy
= wdev
->wiphy
;
11009 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11010 struct sk_buff
*msg
;
11011 struct nlattr
*pinfoattr
;
11014 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11016 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11020 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11026 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11027 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11028 goto nla_put_failure
;
11030 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11032 goto nla_put_failure
;
11034 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11036 goto nla_put_failure
;
11038 nla_nest_end(msg
, pinfoattr
);
11040 genlmsg_end(msg
, hdr
);
11042 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11043 NL80211_MCGRP_MLME
, gfp
);
11047 genlmsg_cancel(msg
, hdr
);
11050 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11052 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
11053 struct net_device
*netdev
, const u8
*bssid
,
11054 const u8
*replay_ctr
, gfp_t gfp
)
11056 struct sk_buff
*msg
;
11057 struct nlattr
*rekey_attr
;
11060 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11064 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
11070 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11071 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11072 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11073 goto nla_put_failure
;
11075 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
11077 goto nla_put_failure
;
11079 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
11080 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
11081 goto nla_put_failure
;
11083 nla_nest_end(msg
, rekey_attr
);
11085 genlmsg_end(msg
, hdr
);
11087 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11088 NL80211_MCGRP_MLME
, gfp
);
11092 genlmsg_cancel(msg
, hdr
);
11096 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
11097 const u8
*replay_ctr
, gfp_t gfp
)
11099 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11100 struct wiphy
*wiphy
= wdev
->wiphy
;
11101 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11103 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11104 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11106 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11109 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11110 struct net_device
*netdev
, int index
,
11111 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11113 struct sk_buff
*msg
;
11114 struct nlattr
*attr
;
11117 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11121 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11127 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11128 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11129 goto nla_put_failure
;
11131 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11133 goto nla_put_failure
;
11135 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
11136 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
11138 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
11139 goto nla_put_failure
;
11141 nla_nest_end(msg
, attr
);
11143 genlmsg_end(msg
, hdr
);
11145 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11146 NL80211_MCGRP_MLME
, gfp
);
11150 genlmsg_cancel(msg
, hdr
);
11154 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
11155 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11157 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11158 struct wiphy
*wiphy
= wdev
->wiphy
;
11159 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11161 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
11162 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
11164 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
11166 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
11167 struct net_device
*netdev
,
11168 struct cfg80211_chan_def
*chandef
,
11171 struct sk_buff
*msg
;
11174 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11178 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
11184 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11185 goto nla_put_failure
;
11187 if (nl80211_send_chandef(msg
, chandef
))
11188 goto nla_put_failure
;
11190 genlmsg_end(msg
, hdr
);
11192 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11193 NL80211_MCGRP_MLME
, gfp
);
11197 genlmsg_cancel(msg
, hdr
);
11201 void cfg80211_ch_switch_notify(struct net_device
*dev
,
11202 struct cfg80211_chan_def
*chandef
)
11204 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11205 struct wiphy
*wiphy
= wdev
->wiphy
;
11206 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11208 ASSERT_WDEV_LOCK(wdev
);
11210 trace_cfg80211_ch_switch_notify(dev
, chandef
);
11212 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11213 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11214 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
11215 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11218 wdev
->channel
= chandef
->chan
;
11219 wdev
->preset_chandef
= *chandef
;
11220 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
11222 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
11224 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11225 const u8
*peer
, u32 num_packets
,
11226 u32 rate
, u32 intvl
, gfp_t gfp
)
11228 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11229 struct wiphy
*wiphy
= wdev
->wiphy
;
11230 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11231 struct sk_buff
*msg
;
11232 struct nlattr
*pinfoattr
;
11235 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11239 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11245 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11246 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11247 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11248 goto nla_put_failure
;
11250 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11252 goto nla_put_failure
;
11254 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11255 goto nla_put_failure
;
11257 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11258 goto nla_put_failure
;
11260 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11261 goto nla_put_failure
;
11263 nla_nest_end(msg
, pinfoattr
);
11265 genlmsg_end(msg
, hdr
);
11267 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11268 NL80211_MCGRP_MLME
, gfp
);
11272 genlmsg_cancel(msg
, hdr
);
11275 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11278 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
11279 const struct cfg80211_chan_def
*chandef
,
11280 enum nl80211_radar_event event
,
11281 struct net_device
*netdev
, gfp_t gfp
)
11283 struct sk_buff
*msg
;
11286 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11290 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
11296 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
11297 goto nla_put_failure
;
11299 /* NOP and radar events don't need a netdev parameter */
11301 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
11303 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11304 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11305 goto nla_put_failure
;
11308 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
11309 goto nla_put_failure
;
11311 if (nl80211_send_chandef(msg
, chandef
))
11312 goto nla_put_failure
;
11314 genlmsg_end(msg
, hdr
);
11316 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11317 NL80211_MCGRP_MLME
, gfp
);
11321 genlmsg_cancel(msg
, hdr
);
11325 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11326 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11328 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11329 struct wiphy
*wiphy
= wdev
->wiphy
;
11330 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11331 struct sk_buff
*msg
;
11332 struct nlattr
*pinfoattr
;
11335 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11337 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11341 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11347 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11348 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11349 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11350 goto nla_put_failure
;
11352 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11354 goto nla_put_failure
;
11356 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11357 goto nla_put_failure
;
11359 nla_nest_end(msg
, pinfoattr
);
11361 genlmsg_end(msg
, hdr
);
11363 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11364 NL80211_MCGRP_MLME
, gfp
);
11368 genlmsg_cancel(msg
, hdr
);
11371 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11373 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11374 u64 cookie
, bool acked
, gfp_t gfp
)
11376 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11377 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11378 struct sk_buff
*msg
;
11381 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11383 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11388 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11394 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11395 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11396 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11397 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11398 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11399 goto nla_put_failure
;
11401 genlmsg_end(msg
, hdr
);
11403 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11404 NL80211_MCGRP_MLME
, gfp
);
11408 genlmsg_cancel(msg
, hdr
);
11411 EXPORT_SYMBOL(cfg80211_probe_status
);
11413 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11414 const u8
*frame
, size_t len
,
11415 int freq
, int sig_dbm
)
11417 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11418 struct sk_buff
*msg
;
11420 struct cfg80211_beacon_registration
*reg
;
11422 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11424 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11425 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11426 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11428 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11432 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11434 goto nla_put_failure
;
11436 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11438 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11440 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11441 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11442 goto nla_put_failure
;
11444 genlmsg_end(msg
, hdr
);
11446 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11448 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11452 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11454 genlmsg_cancel(msg
, hdr
);
11457 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11460 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11461 struct cfg80211_wowlan_wakeup
*wakeup
,
11464 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11465 struct sk_buff
*msg
;
11469 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11472 size
+= wakeup
->packet_present_len
;
11474 msg
= nlmsg_new(size
, gfp
);
11478 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11482 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11483 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11486 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11487 wdev
->netdev
->ifindex
))
11491 struct nlattr
*reasons
;
11493 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11497 if (wakeup
->disconnect
&&
11498 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11500 if (wakeup
->magic_pkt
&&
11501 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11503 if (wakeup
->gtk_rekey_failure
&&
11504 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11506 if (wakeup
->eap_identity_req
&&
11507 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11509 if (wakeup
->four_way_handshake
&&
11510 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11512 if (wakeup
->rfkill_release
&&
11513 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11516 if (wakeup
->pattern_idx
>= 0 &&
11517 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11518 wakeup
->pattern_idx
))
11521 if (wakeup
->tcp_match
&&
11522 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
11525 if (wakeup
->tcp_connlost
&&
11526 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
11529 if (wakeup
->tcp_nomoretokens
&&
11531 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
11534 if (wakeup
->packet
) {
11535 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11536 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11538 if (!wakeup
->packet_80211
) {
11540 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11542 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11545 if (wakeup
->packet_len
&&
11546 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11549 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11554 nla_nest_end(msg
, reasons
);
11557 genlmsg_end(msg
, hdr
);
11559 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11560 NL80211_MCGRP_MLME
, gfp
);
11566 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11569 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11570 enum nl80211_tdls_operation oper
,
11571 u16 reason_code
, gfp_t gfp
)
11573 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11574 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11575 struct sk_buff
*msg
;
11578 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11581 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11585 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11591 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11592 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11593 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11594 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11595 (reason_code
> 0 &&
11596 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11597 goto nla_put_failure
;
11599 genlmsg_end(msg
, hdr
);
11601 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11602 NL80211_MCGRP_MLME
, gfp
);
11606 genlmsg_cancel(msg
, hdr
);
11609 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11611 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11612 unsigned long state
,
11615 struct netlink_notify
*notify
= _notify
;
11616 struct cfg80211_registered_device
*rdev
;
11617 struct wireless_dev
*wdev
;
11618 struct cfg80211_beacon_registration
*reg
, *tmp
;
11620 if (state
!= NETLINK_URELEASE
)
11621 return NOTIFY_DONE
;
11625 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11626 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
11627 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11629 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11630 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11632 if (reg
->nlportid
== notify
->portid
) {
11633 list_del(®
->list
);
11638 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11643 return NOTIFY_DONE
;
11646 static struct notifier_block nl80211_netlink_notifier
= {
11647 .notifier_call
= nl80211_netlink_notify
,
11650 void cfg80211_ft_event(struct net_device
*netdev
,
11651 struct cfg80211_ft_event_params
*ft_event
)
11653 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11654 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11655 struct sk_buff
*msg
;
11658 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11660 if (!ft_event
->target_ap
)
11663 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11667 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11671 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11672 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11673 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
11676 if (ft_event
->ies
&&
11677 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
11679 if (ft_event
->ric_ies
&&
11680 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11681 ft_event
->ric_ies
))
11684 genlmsg_end(msg
, hdr
);
11686 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11687 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11692 EXPORT_SYMBOL(cfg80211_ft_event
);
11694 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11696 struct cfg80211_registered_device
*rdev
;
11697 struct sk_buff
*msg
;
11701 rdev
= wiphy_to_dev(wdev
->wiphy
);
11702 if (!rdev
->crit_proto_nlportid
)
11705 nlportid
= rdev
->crit_proto_nlportid
;
11706 rdev
->crit_proto_nlportid
= 0;
11708 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11712 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11714 goto nla_put_failure
;
11716 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11717 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11718 goto nla_put_failure
;
11720 genlmsg_end(msg
, hdr
);
11722 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11727 genlmsg_cancel(msg
, hdr
);
11731 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11733 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
11735 struct wiphy
*wiphy
= wdev
->wiphy
;
11736 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11737 struct sk_buff
*msg
;
11740 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11744 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
11748 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11749 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
11750 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11753 genlmsg_end(msg
, hdr
);
11755 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
11756 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11762 /* initialisation/exit functions */
11764 int nl80211_init(void)
11768 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
11773 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11779 genl_unregister_family(&nl80211_fam
);
11783 void nl80211_exit(void)
11785 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11786 genl_unregister_family(&nl80211_fam
);