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_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
341 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
342 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
343 .len
= IEEE80211_MAX_DATA_LEN
},
344 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
345 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
346 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
347 .len
= NL80211_HT_CAPABILITY_LEN
349 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
350 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
351 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
352 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
353 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
354 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
355 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
356 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
357 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
358 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
359 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
360 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
361 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
362 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
363 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
364 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
365 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
366 .len
= NL80211_VHT_CAPABILITY_LEN
,
368 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
369 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
370 .len
= IEEE80211_MAX_DATA_LEN
},
371 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
372 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
373 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
374 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
375 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
376 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
377 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
378 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
379 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
380 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
381 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
382 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
383 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
384 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
385 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
386 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
387 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
388 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
389 [NL80211_ATTR_IFACE_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
390 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
393 /* policy for the key attributes */
394 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
395 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
396 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
397 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
398 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
399 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
400 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
401 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
402 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
405 /* policy for the key default flags */
406 static const struct nla_policy
407 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
408 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
409 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
412 /* policy for WoWLAN attributes */
413 static const struct nla_policy
414 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
415 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
416 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
417 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
418 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
419 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
420 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
421 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
422 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
423 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
426 static const struct nla_policy
427 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
428 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
429 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
430 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
431 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
432 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
433 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
434 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
435 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
437 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
438 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
440 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
441 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
442 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
445 /* policy for coalesce rule attributes */
446 static const struct nla_policy
447 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
448 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
449 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
450 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
453 /* policy for GTK rekey offload attributes */
454 static const struct nla_policy
455 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
456 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
457 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
458 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
461 static const struct nla_policy
462 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
463 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
464 .len
= IEEE80211_MAX_SSID_LEN
},
465 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
468 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
469 struct netlink_callback
*cb
,
470 struct cfg80211_registered_device
**rdev
,
471 struct wireless_dev
**wdev
)
478 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
479 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
484 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
485 nl80211_fam
.attrbuf
);
487 err
= PTR_ERR(*wdev
);
490 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
491 /* 0 is the first index - add 1 to parse only once */
492 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
493 cb
->args
[1] = (*wdev
)->identifier
;
495 /* subtract the 1 again here */
496 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
497 struct wireless_dev
*tmp
;
503 *rdev
= wiphy_to_rdev(wiphy
);
506 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
507 if (tmp
->identifier
== cb
->args
[1]) {
525 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
531 static bool is_valid_ie_attr(const struct nlattr
*attr
)
539 pos
= nla_data(attr
);
560 /* message building helper */
561 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
564 /* since there is no private header just add the generic one */
565 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
568 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
569 struct ieee80211_channel
*chan
,
572 /* Some channels must be completely excluded from the
573 * list to protect old user-space tools from breaking
575 if (!large
&& chan
->flags
&
576 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
579 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
581 goto nla_put_failure
;
583 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
584 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
585 goto nla_put_failure
;
586 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
587 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
588 goto nla_put_failure
;
589 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
590 goto nla_put_failure
;
592 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
593 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
594 goto nla_put_failure
;
598 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
600 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
602 goto nla_put_failure
;
603 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
605 goto nla_put_failure
;
607 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
609 goto nla_put_failure
;
614 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
615 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
616 goto nla_put_failure
;
617 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
618 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
619 goto nla_put_failure
;
620 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
621 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
622 goto nla_put_failure
;
623 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
624 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
625 goto nla_put_failure
;
626 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
627 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
628 goto nla_put_failure
;
629 if ((chan
->flags
& IEEE80211_CHAN_GO_CONCURRENT
) &&
630 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_GO_CONCURRENT
))
631 goto nla_put_failure
;
632 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
633 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
634 goto nla_put_failure
;
635 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
636 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
637 goto nla_put_failure
;
640 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
641 DBM_TO_MBM(chan
->max_power
)))
642 goto nla_put_failure
;
650 /* netlink command implementations */
657 bool def_uni
, def_multi
;
660 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
662 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
663 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
668 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
669 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
678 if (tb
[NL80211_KEY_IDX
])
679 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
681 if (tb
[NL80211_KEY_DATA
]) {
682 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
683 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
686 if (tb
[NL80211_KEY_SEQ
]) {
687 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
688 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
691 if (tb
[NL80211_KEY_CIPHER
])
692 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
694 if (tb
[NL80211_KEY_TYPE
]) {
695 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
696 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
700 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
701 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
702 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
703 tb
[NL80211_KEY_DEFAULT_TYPES
],
704 nl80211_key_default_policy
);
708 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
709 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
715 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
717 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
718 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
719 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
722 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
723 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
724 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
727 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
728 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
730 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
731 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
733 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
734 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
743 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
744 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
745 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
749 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
750 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
751 int err
= nla_parse_nested(
752 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
753 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
754 nl80211_key_default_policy
);
758 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
759 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
765 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
769 memset(k
, 0, sizeof(*k
));
773 if (info
->attrs
[NL80211_ATTR_KEY
])
774 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
776 err
= nl80211_parse_key_old(info
, k
);
781 if (k
->def
&& k
->defmgmt
)
785 if (k
->def_uni
|| !k
->def_multi
)
791 if (k
->idx
< 4 || k
->idx
> 5)
794 if (k
->idx
< 0 || k
->idx
> 3)
797 if (k
->idx
< 0 || k
->idx
> 5)
805 static struct cfg80211_cached_keys
*
806 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
807 struct nlattr
*keys
, bool *no_ht
)
809 struct key_parse parse
;
811 struct cfg80211_cached_keys
*result
;
812 int rem
, err
, def
= 0;
814 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
816 return ERR_PTR(-ENOMEM
);
819 result
->defmgmt
= -1;
821 nla_for_each_nested(key
, keys
, rem
) {
822 memset(&parse
, 0, sizeof(parse
));
825 err
= nl80211_parse_key_new(key
, &parse
);
831 if (parse
.idx
< 0 || parse
.idx
> 4)
837 result
->def
= parse
.idx
;
838 if (!parse
.def_uni
|| !parse
.def_multi
)
840 } else if (parse
.defmgmt
)
842 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
843 parse
.idx
, false, NULL
);
846 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
847 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
848 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
849 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
851 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
852 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
864 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
866 ASSERT_WDEV_LOCK(wdev
);
868 switch (wdev
->iftype
) {
869 case NL80211_IFTYPE_AP
:
870 case NL80211_IFTYPE_AP_VLAN
:
871 case NL80211_IFTYPE_P2P_GO
:
872 case NL80211_IFTYPE_MESH_POINT
:
874 case NL80211_IFTYPE_ADHOC
:
875 case NL80211_IFTYPE_STATION
:
876 case NL80211_IFTYPE_P2P_CLIENT
:
877 if (!wdev
->current_bss
)
887 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
890 struct ieee80211_channel
*chan
;
894 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
895 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
900 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
902 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
906 goto nla_put_failure
;
910 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
911 goto nla_put_failure
;
916 nla_nest_end(msg
, nl_modes
);
923 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
927 struct nlattr
*nl_combis
;
930 nl_combis
= nla_nest_start(msg
,
931 NL80211_ATTR_INTERFACE_COMBINATIONS
);
933 goto nla_put_failure
;
935 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
936 const struct ieee80211_iface_combination
*c
;
937 struct nlattr
*nl_combi
, *nl_limits
;
939 c
= &wiphy
->iface_combinations
[i
];
941 nl_combi
= nla_nest_start(msg
, i
+ 1);
943 goto nla_put_failure
;
945 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
947 goto nla_put_failure
;
949 for (j
= 0; j
< c
->n_limits
; j
++) {
950 struct nlattr
*nl_limit
;
952 nl_limit
= nla_nest_start(msg
, j
+ 1);
954 goto nla_put_failure
;
955 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
957 goto nla_put_failure
;
958 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
960 goto nla_put_failure
;
961 nla_nest_end(msg
, nl_limit
);
964 nla_nest_end(msg
, nl_limits
);
966 if (c
->beacon_int_infra_match
&&
967 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
968 goto nla_put_failure
;
969 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
970 c
->num_different_channels
) ||
971 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
973 goto nla_put_failure
;
975 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
976 c
->radar_detect_widths
) ||
977 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
978 c
->radar_detect_regions
)))
979 goto nla_put_failure
;
981 nla_nest_end(msg
, nl_combi
);
984 nla_nest_end(msg
, nl_combis
);
992 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
995 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
996 struct nlattr
*nl_tcp
;
1001 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1005 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1006 tcp
->data_payload_max
))
1009 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1010 tcp
->data_payload_max
))
1013 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1016 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1017 sizeof(*tcp
->tok
), tcp
->tok
))
1020 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1021 tcp
->data_interval_max
))
1024 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1025 tcp
->wake_payload_max
))
1028 nla_nest_end(msg
, nl_tcp
);
1032 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1033 struct cfg80211_registered_device
*rdev
,
1036 struct nlattr
*nl_wowlan
;
1038 if (!rdev
->wiphy
.wowlan
)
1041 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1045 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1046 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1047 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1048 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1049 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1050 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1051 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1052 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1053 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1054 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1055 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1056 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1057 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1058 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1059 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1060 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1063 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1064 struct nl80211_pattern_support pat
= {
1065 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1066 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1067 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1068 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1071 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1076 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1079 nla_nest_end(msg
, nl_wowlan
);
1085 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1086 struct cfg80211_registered_device
*rdev
)
1088 struct nl80211_coalesce_rule_support rule
;
1090 if (!rdev
->wiphy
.coalesce
)
1093 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1094 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1095 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1096 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1097 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1098 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1100 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1106 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1107 struct ieee80211_supported_band
*sband
)
1109 struct nlattr
*nl_rates
, *nl_rate
;
1110 struct ieee80211_rate
*rate
;
1114 if (sband
->ht_cap
.ht_supported
&&
1115 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1116 sizeof(sband
->ht_cap
.mcs
),
1117 &sband
->ht_cap
.mcs
) ||
1118 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1119 sband
->ht_cap
.cap
) ||
1120 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1121 sband
->ht_cap
.ampdu_factor
) ||
1122 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1123 sband
->ht_cap
.ampdu_density
)))
1127 if (sband
->vht_cap
.vht_supported
&&
1128 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1129 sizeof(sband
->vht_cap
.vht_mcs
),
1130 &sband
->vht_cap
.vht_mcs
) ||
1131 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1132 sband
->vht_cap
.cap
)))
1136 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1140 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1141 nl_rate
= nla_nest_start(msg
, i
);
1145 rate
= &sband
->bitrates
[i
];
1146 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1149 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1151 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1154 nla_nest_end(msg
, nl_rate
);
1157 nla_nest_end(msg
, nl_rates
);
1163 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1164 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1167 struct nlattr
*nl_ftypes
, *nl_ifs
;
1168 enum nl80211_iftype ift
;
1174 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1178 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1179 nl_ftypes
= nla_nest_start(msg
, ift
);
1183 stypes
= mgmt_stypes
[ift
].tx
;
1186 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1187 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1192 nla_nest_end(msg
, nl_ftypes
);
1195 nla_nest_end(msg
, nl_ifs
);
1197 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1201 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1202 nl_ftypes
= nla_nest_start(msg
, ift
);
1206 stypes
= mgmt_stypes
[ift
].rx
;
1209 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1210 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1215 nla_nest_end(msg
, nl_ftypes
);
1217 nla_nest_end(msg
, nl_ifs
);
1222 struct nl80211_dump_wiphy_state
{
1225 long split_start
, band_start
, chan_start
;
1229 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1230 enum nl80211_commands cmd
,
1231 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1232 int flags
, struct nl80211_dump_wiphy_state
*state
)
1235 struct nlattr
*nl_bands
, *nl_band
;
1236 struct nlattr
*nl_freqs
, *nl_freq
;
1237 struct nlattr
*nl_cmds
;
1238 enum ieee80211_band band
;
1239 struct ieee80211_channel
*chan
;
1241 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1242 rdev
->wiphy
.mgmt_stypes
;
1245 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1249 if (WARN_ON(!state
))
1252 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1253 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1254 wiphy_name(&rdev
->wiphy
)) ||
1255 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1256 cfg80211_rdev_list_generation
))
1257 goto nla_put_failure
;
1259 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1262 switch (state
->split_start
) {
1264 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1265 rdev
->wiphy
.retry_short
) ||
1266 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1267 rdev
->wiphy
.retry_long
) ||
1268 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1269 rdev
->wiphy
.frag_threshold
) ||
1270 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1271 rdev
->wiphy
.rts_threshold
) ||
1272 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1273 rdev
->wiphy
.coverage_class
) ||
1274 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1275 rdev
->wiphy
.max_scan_ssids
) ||
1276 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1277 rdev
->wiphy
.max_sched_scan_ssids
) ||
1278 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1279 rdev
->wiphy
.max_scan_ie_len
) ||
1280 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1281 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1282 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1283 rdev
->wiphy
.max_match_sets
))
1284 goto nla_put_failure
;
1286 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1287 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1288 goto nla_put_failure
;
1289 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1290 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1291 goto nla_put_failure
;
1292 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1293 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1294 goto nla_put_failure
;
1295 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1296 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1297 goto nla_put_failure
;
1298 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1299 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1300 goto nla_put_failure
;
1301 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1302 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1303 goto nla_put_failure
;
1304 state
->split_start
++;
1308 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1309 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1310 rdev
->wiphy
.cipher_suites
))
1311 goto nla_put_failure
;
1313 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1314 rdev
->wiphy
.max_num_pmkids
))
1315 goto nla_put_failure
;
1317 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1318 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1319 goto nla_put_failure
;
1321 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1322 rdev
->wiphy
.available_antennas_tx
) ||
1323 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1324 rdev
->wiphy
.available_antennas_rx
))
1325 goto nla_put_failure
;
1327 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1328 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1329 rdev
->wiphy
.probe_resp_offload
))
1330 goto nla_put_failure
;
1332 if ((rdev
->wiphy
.available_antennas_tx
||
1333 rdev
->wiphy
.available_antennas_rx
) &&
1334 rdev
->ops
->get_antenna
) {
1335 u32 tx_ant
= 0, rx_ant
= 0;
1337 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1339 if (nla_put_u32(msg
,
1340 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1343 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1345 goto nla_put_failure
;
1349 state
->split_start
++;
1353 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1354 rdev
->wiphy
.interface_modes
))
1355 goto nla_put_failure
;
1356 state
->split_start
++;
1360 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1362 goto nla_put_failure
;
1364 for (band
= state
->band_start
;
1365 band
< IEEE80211_NUM_BANDS
; band
++) {
1366 struct ieee80211_supported_band
*sband
;
1368 sband
= rdev
->wiphy
.bands
[band
];
1373 nl_band
= nla_nest_start(msg
, band
);
1375 goto nla_put_failure
;
1377 switch (state
->chan_start
) {
1379 if (nl80211_send_band_rateinfo(msg
, sband
))
1380 goto nla_put_failure
;
1381 state
->chan_start
++;
1385 /* add frequencies */
1386 nl_freqs
= nla_nest_start(
1387 msg
, NL80211_BAND_ATTR_FREQS
);
1389 goto nla_put_failure
;
1391 for (i
= state
->chan_start
- 1;
1392 i
< sband
->n_channels
;
1394 nl_freq
= nla_nest_start(msg
, i
);
1396 goto nla_put_failure
;
1398 chan
= &sband
->channels
[i
];
1400 if (nl80211_msg_put_channel(
1403 goto nla_put_failure
;
1405 nla_nest_end(msg
, nl_freq
);
1409 if (i
< sband
->n_channels
)
1410 state
->chan_start
= i
+ 2;
1412 state
->chan_start
= 0;
1413 nla_nest_end(msg
, nl_freqs
);
1416 nla_nest_end(msg
, nl_band
);
1419 /* start again here */
1420 if (state
->chan_start
)
1425 nla_nest_end(msg
, nl_bands
);
1427 if (band
< IEEE80211_NUM_BANDS
)
1428 state
->band_start
= band
+ 1;
1430 state
->band_start
= 0;
1432 /* if bands & channels are done, continue outside */
1433 if (state
->band_start
== 0 && state
->chan_start
== 0)
1434 state
->split_start
++;
1438 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1440 goto nla_put_failure
;
1443 #define CMD(op, n) \
1445 if (rdev->ops->op) { \
1447 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1448 goto nla_put_failure; \
1452 CMD(add_virtual_intf
, NEW_INTERFACE
);
1453 CMD(change_virtual_intf
, SET_INTERFACE
);
1454 CMD(add_key
, NEW_KEY
);
1455 CMD(start_ap
, START_AP
);
1456 CMD(add_station
, NEW_STATION
);
1457 CMD(add_mpath
, NEW_MPATH
);
1458 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1459 CMD(change_bss
, SET_BSS
);
1460 CMD(auth
, AUTHENTICATE
);
1461 CMD(assoc
, ASSOCIATE
);
1462 CMD(deauth
, DEAUTHENTICATE
);
1463 CMD(disassoc
, DISASSOCIATE
);
1464 CMD(join_ibss
, JOIN_IBSS
);
1465 CMD(join_mesh
, JOIN_MESH
);
1466 CMD(set_pmksa
, SET_PMKSA
);
1467 CMD(del_pmksa
, DEL_PMKSA
);
1468 CMD(flush_pmksa
, FLUSH_PMKSA
);
1469 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1470 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1471 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1472 CMD(mgmt_tx
, FRAME
);
1473 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1474 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1476 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1477 goto nla_put_failure
;
1479 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1480 rdev
->ops
->join_mesh
) {
1482 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1483 goto nla_put_failure
;
1485 CMD(set_wds_peer
, SET_WDS_PEER
);
1486 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1487 CMD(tdls_mgmt
, TDLS_MGMT
);
1488 CMD(tdls_oper
, TDLS_OPER
);
1490 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1491 CMD(sched_scan_start
, START_SCHED_SCAN
);
1492 CMD(probe_client
, PROBE_CLIENT
);
1493 CMD(set_noack_map
, SET_NOACK_MAP
);
1494 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1496 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1497 goto nla_put_failure
;
1499 CMD(start_p2p_device
, START_P2P_DEVICE
);
1500 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1501 #ifdef CONFIG_NL80211_TESTMODE
1502 CMD(testmode_cmd
, TESTMODE
);
1505 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1506 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1507 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1508 CMD(channel_switch
, CHANNEL_SWITCH
);
1509 CMD(set_qos_map
, SET_QOS_MAP
);
1511 /* add into the if now */
1514 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1516 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1517 goto nla_put_failure
;
1520 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1522 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1523 goto nla_put_failure
;
1526 nla_nest_end(msg
, nl_cmds
);
1527 state
->split_start
++;
1531 if (rdev
->ops
->remain_on_channel
&&
1532 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1534 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1535 rdev
->wiphy
.max_remain_on_channel_duration
))
1536 goto nla_put_failure
;
1538 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1539 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1540 goto nla_put_failure
;
1542 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1543 goto nla_put_failure
;
1544 state
->split_start
++;
1549 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1550 goto nla_put_failure
;
1551 state
->split_start
++;
1555 state
->split_start
++;
1558 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1559 rdev
->wiphy
.software_iftypes
))
1560 goto nla_put_failure
;
1562 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1564 goto nla_put_failure
;
1566 state
->split_start
++;
1570 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1571 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1572 rdev
->wiphy
.ap_sme_capa
))
1573 goto nla_put_failure
;
1575 features
= rdev
->wiphy
.features
;
1577 * We can only add the per-channel limit information if the
1578 * dump is split, otherwise it makes it too big. Therefore
1579 * only advertise it in that case.
1582 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1583 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1584 goto nla_put_failure
;
1586 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1587 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1588 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1589 rdev
->wiphy
.ht_capa_mod_mask
))
1590 goto nla_put_failure
;
1592 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1593 rdev
->wiphy
.max_acl_mac_addrs
&&
1594 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1595 rdev
->wiphy
.max_acl_mac_addrs
))
1596 goto nla_put_failure
;
1599 * Any information below this point is only available to
1600 * applications that can deal with it being split. This
1601 * helps ensure that newly added capabilities don't break
1602 * older tools by overrunning their buffers.
1604 * We still increment split_start so that in the split
1605 * case we'll continue with more data in the next round,
1606 * but break unconditionally so unsplit data stops here.
1608 state
->split_start
++;
1611 if (rdev
->wiphy
.extended_capabilities
&&
1612 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1613 rdev
->wiphy
.extended_capabilities_len
,
1614 rdev
->wiphy
.extended_capabilities
) ||
1615 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1616 rdev
->wiphy
.extended_capabilities_len
,
1617 rdev
->wiphy
.extended_capabilities_mask
)))
1618 goto nla_put_failure
;
1620 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1621 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1622 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1623 rdev
->wiphy
.vht_capa_mod_mask
))
1624 goto nla_put_failure
;
1626 state
->split_start
++;
1629 if (nl80211_send_coalesce(msg
, rdev
))
1630 goto nla_put_failure
;
1632 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1633 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1634 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1635 goto nla_put_failure
;
1637 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1638 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1639 rdev
->wiphy
.max_ap_assoc_sta
))
1640 goto nla_put_failure
;
1642 state
->split_start
++;
1645 if (rdev
->wiphy
.n_vendor_commands
) {
1646 const struct nl80211_vendor_cmd_info
*info
;
1647 struct nlattr
*nested
;
1649 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1651 goto nla_put_failure
;
1653 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1654 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1655 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1656 goto nla_put_failure
;
1658 nla_nest_end(msg
, nested
);
1661 if (rdev
->wiphy
.n_vendor_events
) {
1662 const struct nl80211_vendor_cmd_info
*info
;
1663 struct nlattr
*nested
;
1665 nested
= nla_nest_start(msg
,
1666 NL80211_ATTR_VENDOR_EVENTS
);
1668 goto nla_put_failure
;
1670 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1671 info
= &rdev
->wiphy
.vendor_events
[i
];
1672 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1673 goto nla_put_failure
;
1675 nla_nest_end(msg
, nested
);
1677 state
->split_start
++;
1680 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1681 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1682 rdev
->wiphy
.max_num_csa_counters
))
1683 goto nla_put_failure
;
1686 state
->split_start
= 0;
1690 return genlmsg_end(msg
, hdr
);
1693 genlmsg_cancel(msg
, hdr
);
1697 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1698 struct netlink_callback
*cb
,
1699 struct nl80211_dump_wiphy_state
*state
)
1701 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1702 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1703 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1704 /* ignore parse errors for backward compatibility */
1708 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1709 if (tb
[NL80211_ATTR_WIPHY
])
1710 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1711 if (tb
[NL80211_ATTR_WDEV
])
1712 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1713 if (tb
[NL80211_ATTR_IFINDEX
]) {
1714 struct net_device
*netdev
;
1715 struct cfg80211_registered_device
*rdev
;
1716 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1718 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1721 if (netdev
->ieee80211_ptr
) {
1722 rdev
= wiphy_to_rdev(
1723 netdev
->ieee80211_ptr
->wiphy
);
1724 state
->filter_wiphy
= rdev
->wiphy_idx
;
1731 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1734 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1735 struct cfg80211_registered_device
*rdev
;
1739 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1744 state
->filter_wiphy
= -1;
1745 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1751 cb
->args
[0] = (long)state
;
1754 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1755 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1757 if (++idx
<= state
->start
)
1759 if (state
->filter_wiphy
!= -1 &&
1760 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1762 /* attempt to fit multiple wiphy data chunks into the skb */
1764 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1766 NETLINK_CB(cb
->skb
).portid
,
1768 NLM_F_MULTI
, state
);
1771 * If sending the wiphy data didn't fit (ENOBUFS
1772 * or EMSGSIZE returned), this SKB is still
1773 * empty (so it's not too big because another
1774 * wiphy dataset is already in the skb) and
1775 * we've not tried to adjust the dump allocation
1776 * yet ... then adjust the alloc size to be
1777 * bigger, and return 1 but with the empty skb.
1778 * This results in an empty message being RX'ed
1779 * in userspace, but that is ignored.
1781 * We can then retry with the larger buffer.
1783 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1784 !skb
->len
&& !state
->split
&&
1785 cb
->min_dump_alloc
< 4096) {
1786 cb
->min_dump_alloc
= 4096;
1787 state
->split_start
= 0;
1794 } while (state
->split_start
> 0);
1804 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1806 kfree((void *)cb
->args
[0]);
1810 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1812 struct sk_buff
*msg
;
1813 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1814 struct nl80211_dump_wiphy_state state
= {};
1816 msg
= nlmsg_new(4096, GFP_KERNEL
);
1820 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1821 info
->snd_portid
, info
->snd_seq
, 0,
1827 return genlmsg_reply(msg
, info
);
1830 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1831 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1832 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1833 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1834 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1835 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1838 static int parse_txq_params(struct nlattr
*tb
[],
1839 struct ieee80211_txq_params
*txq_params
)
1841 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1842 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1843 !tb
[NL80211_TXQ_ATTR_AIFS
])
1846 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1847 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1848 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1849 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1850 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1852 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1858 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1861 * You can only set the channel explicitly for WDS interfaces,
1862 * all others have their channel managed via their respective
1863 * "establish a connection" command (connect, join, ...)
1865 * For AP/GO and mesh mode, the channel can be set with the
1866 * channel userspace API, but is only stored and passed to the
1867 * low-level driver when the AP starts or the mesh is joined.
1868 * This is for backward compatibility, userspace can also give
1869 * the channel in the start-ap or join-mesh commands instead.
1871 * Monitors are special as they are normally slaved to
1872 * whatever else is going on, so they have their own special
1873 * operation to set the monitor channel if possible.
1876 wdev
->iftype
== NL80211_IFTYPE_AP
||
1877 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1878 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1879 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1882 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1883 struct genl_info
*info
,
1884 struct cfg80211_chan_def
*chandef
)
1888 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1891 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1893 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1894 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1895 chandef
->center_freq1
= control_freq
;
1896 chandef
->center_freq2
= 0;
1898 /* Primary channel not allowed */
1899 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1902 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1903 enum nl80211_channel_type chantype
;
1905 chantype
= nla_get_u32(
1906 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1909 case NL80211_CHAN_NO_HT
:
1910 case NL80211_CHAN_HT20
:
1911 case NL80211_CHAN_HT40PLUS
:
1912 case NL80211_CHAN_HT40MINUS
:
1913 cfg80211_chandef_create(chandef
, chandef
->chan
,
1919 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1921 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1922 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1923 chandef
->center_freq1
=
1925 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1926 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1927 chandef
->center_freq2
=
1929 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1932 if (!cfg80211_chandef_valid(chandef
))
1935 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1936 IEEE80211_CHAN_DISABLED
))
1939 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1940 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1941 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1947 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1948 struct net_device
*dev
,
1949 struct genl_info
*info
)
1951 struct cfg80211_chan_def chandef
;
1953 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1954 struct wireless_dev
*wdev
= NULL
;
1957 wdev
= dev
->ieee80211_ptr
;
1958 if (!nl80211_can_set_dev_channel(wdev
))
1961 iftype
= wdev
->iftype
;
1963 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1968 case NL80211_IFTYPE_AP
:
1969 case NL80211_IFTYPE_P2P_GO
:
1970 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, iftype
)) {
1974 if (wdev
->beacon_interval
) {
1975 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
1976 !(rdev
->wiphy
.features
&
1977 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
1982 /* Only allow dynamic channel width changes */
1983 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
1987 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
1991 wdev
->preset_chandef
= chandef
;
1994 case NL80211_IFTYPE_MESH_POINT
:
1995 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1997 case NL80211_IFTYPE_MONITOR
:
1998 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2007 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2009 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2010 struct net_device
*netdev
= info
->user_ptr
[1];
2012 return __nl80211_set_channel(rdev
, netdev
, info
);
2015 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2017 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2018 struct net_device
*dev
= info
->user_ptr
[1];
2019 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2022 if (!info
->attrs
[NL80211_ATTR_MAC
])
2025 if (netif_running(dev
))
2028 if (!rdev
->ops
->set_wds_peer
)
2031 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2034 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2035 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2039 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2041 struct cfg80211_registered_device
*rdev
;
2042 struct net_device
*netdev
= NULL
;
2043 struct wireless_dev
*wdev
;
2044 int result
= 0, rem_txq_params
= 0;
2045 struct nlattr
*nl_txq_params
;
2047 u8 retry_short
= 0, retry_long
= 0;
2048 u32 frag_threshold
= 0, rts_threshold
= 0;
2049 u8 coverage_class
= 0;
2054 * Try to find the wiphy and netdev. Normally this
2055 * function shouldn't need the netdev, but this is
2056 * done for backward compatibility -- previously
2057 * setting the channel was done per wiphy, but now
2058 * it is per netdev. Previous userland like hostapd
2059 * also passed a netdev to set_wiphy, so that it is
2060 * possible to let that go to the right netdev!
2063 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2064 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2066 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2067 if (netdev
&& netdev
->ieee80211_ptr
)
2068 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2074 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2077 return PTR_ERR(rdev
);
2082 wdev
= netdev
->ieee80211_ptr
;
2085 * end workaround code, by now the rdev is available
2086 * and locked, and wdev may or may not be NULL.
2089 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2090 result
= cfg80211_dev_rename(
2091 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2096 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2097 struct ieee80211_txq_params txq_params
;
2098 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2100 if (!rdev
->ops
->set_txq_params
)
2106 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2107 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2110 if (!netif_running(netdev
))
2113 nla_for_each_nested(nl_txq_params
,
2114 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2116 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2117 nla_data(nl_txq_params
),
2118 nla_len(nl_txq_params
),
2122 result
= parse_txq_params(tb
, &txq_params
);
2126 result
= rdev_set_txq_params(rdev
, netdev
,
2133 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2134 result
= __nl80211_set_channel(
2136 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2142 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2143 struct wireless_dev
*txp_wdev
= wdev
;
2144 enum nl80211_tx_power_setting type
;
2147 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2150 if (!rdev
->ops
->set_tx_power
)
2153 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2154 type
= nla_get_u32(info
->attrs
[idx
]);
2156 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2157 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2160 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2161 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2162 mbm
= nla_get_u32(info
->attrs
[idx
]);
2165 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2170 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2171 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2173 if ((!rdev
->wiphy
.available_antennas_tx
&&
2174 !rdev
->wiphy
.available_antennas_rx
) ||
2175 !rdev
->ops
->set_antenna
)
2178 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2179 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2181 /* reject antenna configurations which don't match the
2182 * available antenna masks, except for the "all" mask */
2183 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2184 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2187 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2188 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2190 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2197 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2198 retry_short
= nla_get_u8(
2199 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2200 if (retry_short
== 0)
2203 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2206 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2207 retry_long
= nla_get_u8(
2208 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2209 if (retry_long
== 0)
2212 changed
|= WIPHY_PARAM_RETRY_LONG
;
2215 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2216 frag_threshold
= nla_get_u32(
2217 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2218 if (frag_threshold
< 256)
2221 if (frag_threshold
!= (u32
) -1) {
2223 * Fragments (apart from the last one) are required to
2224 * have even length. Make the fragmentation code
2225 * simpler by stripping LSB should someone try to use
2226 * odd threshold value.
2228 frag_threshold
&= ~0x1;
2230 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2233 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2234 rts_threshold
= nla_get_u32(
2235 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2236 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2239 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2240 coverage_class
= nla_get_u8(
2241 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2242 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2246 u8 old_retry_short
, old_retry_long
;
2247 u32 old_frag_threshold
, old_rts_threshold
;
2248 u8 old_coverage_class
;
2250 if (!rdev
->ops
->set_wiphy_params
)
2253 old_retry_short
= rdev
->wiphy
.retry_short
;
2254 old_retry_long
= rdev
->wiphy
.retry_long
;
2255 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2256 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2257 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2259 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2260 rdev
->wiphy
.retry_short
= retry_short
;
2261 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2262 rdev
->wiphy
.retry_long
= retry_long
;
2263 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2264 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2265 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2266 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2267 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2268 rdev
->wiphy
.coverage_class
= coverage_class
;
2270 result
= rdev_set_wiphy_params(rdev
, changed
);
2272 rdev
->wiphy
.retry_short
= old_retry_short
;
2273 rdev
->wiphy
.retry_long
= old_retry_long
;
2274 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2275 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2276 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2282 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2284 return (u64
)wdev
->identifier
|
2285 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2288 static int nl80211_send_chandef(struct sk_buff
*msg
,
2289 const struct cfg80211_chan_def
*chandef
)
2291 WARN_ON(!cfg80211_chandef_valid(chandef
));
2293 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2294 chandef
->chan
->center_freq
))
2296 switch (chandef
->width
) {
2297 case NL80211_CHAN_WIDTH_20_NOHT
:
2298 case NL80211_CHAN_WIDTH_20
:
2299 case NL80211_CHAN_WIDTH_40
:
2300 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2301 cfg80211_get_chandef_type(chandef
)))
2307 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2309 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2311 if (chandef
->center_freq2
&&
2312 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2317 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2318 struct cfg80211_registered_device
*rdev
,
2319 struct wireless_dev
*wdev
)
2321 struct net_device
*dev
= wdev
->netdev
;
2324 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2329 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2330 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2331 goto nla_put_failure
;
2333 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2334 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2335 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2336 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2337 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2338 rdev
->devlist_generation
^
2339 (cfg80211_rdev_list_generation
<< 2)))
2340 goto nla_put_failure
;
2342 if (rdev
->ops
->get_channel
) {
2344 struct cfg80211_chan_def chandef
;
2346 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2348 if (nl80211_send_chandef(msg
, &chandef
))
2349 goto nla_put_failure
;
2353 if (wdev
->ssid_len
) {
2354 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2355 goto nla_put_failure
;
2358 return genlmsg_end(msg
, hdr
);
2361 genlmsg_cancel(msg
, hdr
);
2365 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2369 int wp_start
= cb
->args
[0];
2370 int if_start
= cb
->args
[1];
2371 struct cfg80211_registered_device
*rdev
;
2372 struct wireless_dev
*wdev
;
2375 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2376 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2378 if (wp_idx
< wp_start
) {
2384 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2385 if (if_idx
< if_start
) {
2389 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2390 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2402 cb
->args
[0] = wp_idx
;
2403 cb
->args
[1] = if_idx
;
2408 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2410 struct sk_buff
*msg
;
2411 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2412 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2414 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2418 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2424 return genlmsg_reply(msg
, info
);
2427 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2428 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2429 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2430 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2431 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2432 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2433 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2436 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2438 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2446 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2447 nla
, mntr_flags_policy
))
2450 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2452 *mntrflags
|= (1<<flag
);
2457 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2458 struct net_device
*netdev
, u8 use_4addr
,
2459 enum nl80211_iftype iftype
)
2462 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2468 case NL80211_IFTYPE_AP_VLAN
:
2469 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2472 case NL80211_IFTYPE_STATION
:
2473 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2483 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2485 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2486 struct vif_params params
;
2488 enum nl80211_iftype otype
, ntype
;
2489 struct net_device
*dev
= info
->user_ptr
[1];
2490 u32 _flags
, *flags
= NULL
;
2491 bool change
= false;
2493 memset(¶ms
, 0, sizeof(params
));
2495 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2497 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2498 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2501 if (ntype
> NL80211_IFTYPE_MAX
)
2505 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2506 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2508 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2510 if (netif_running(dev
))
2514 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2515 IEEE80211_MAX_MESH_ID_LEN
);
2516 wdev
->mesh_id_up_len
=
2517 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2518 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2519 wdev
->mesh_id_up_len
);
2523 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2524 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2526 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2530 params
.use_4addr
= -1;
2533 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2534 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2536 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2545 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2546 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2550 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2554 if (!err
&& params
.use_4addr
!= -1)
2555 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2560 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2562 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2563 struct vif_params params
;
2564 struct wireless_dev
*wdev
;
2565 struct sk_buff
*msg
;
2567 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2570 /* to avoid failing a new interface creation due to pending removal */
2571 cfg80211_destroy_ifaces(rdev
);
2573 memset(¶ms
, 0, sizeof(params
));
2575 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2578 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2579 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2580 if (type
> NL80211_IFTYPE_MAX
)
2584 if (!rdev
->ops
->add_virtual_intf
||
2585 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2588 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2589 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2591 if (!is_valid_ether_addr(params
.macaddr
))
2592 return -EADDRNOTAVAIL
;
2595 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2596 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2597 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2602 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2606 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2607 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2610 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2611 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2614 wdev
= rdev_add_virtual_intf(rdev
,
2615 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2616 type
, err
? NULL
: &flags
, ¶ms
);
2619 return PTR_ERR(wdev
);
2622 if (info
->attrs
[NL80211_ATTR_IFACE_SOCKET_OWNER
])
2623 wdev
->owner_nlportid
= info
->snd_portid
;
2626 case NL80211_IFTYPE_MESH_POINT
:
2627 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2630 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2631 IEEE80211_MAX_MESH_ID_LEN
);
2632 wdev
->mesh_id_up_len
=
2633 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2634 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2635 wdev
->mesh_id_up_len
);
2638 case NL80211_IFTYPE_P2P_DEVICE
:
2640 * P2P Device doesn't have a netdev, so doesn't go
2641 * through the netdev notifier and must be added here
2643 mutex_init(&wdev
->mtx
);
2644 INIT_LIST_HEAD(&wdev
->event_list
);
2645 spin_lock_init(&wdev
->event_lock
);
2646 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2647 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2649 wdev
->identifier
= ++rdev
->wdev_id
;
2650 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2651 rdev
->devlist_generation
++;
2657 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2663 return genlmsg_reply(msg
, info
);
2666 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2668 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2669 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2671 if (!rdev
->ops
->del_virtual_intf
)
2675 * If we remove a wireless device without a netdev then clear
2676 * user_ptr[1] so that nl80211_post_doit won't dereference it
2677 * to check if it needs to do dev_put(). Otherwise it crashes
2678 * since the wdev has been freed, unlike with a netdev where
2679 * we need the dev_put() for the netdev to really be freed.
2682 info
->user_ptr
[1] = NULL
;
2684 return rdev_del_virtual_intf(rdev
, wdev
);
2687 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2689 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2690 struct net_device
*dev
= info
->user_ptr
[1];
2693 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2696 if (!rdev
->ops
->set_noack_map
)
2699 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2701 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2704 struct get_key_cookie
{
2705 struct sk_buff
*msg
;
2710 static void get_key_callback(void *c
, struct key_params
*params
)
2713 struct get_key_cookie
*cookie
= c
;
2716 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2717 params
->key_len
, params
->key
)) ||
2719 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2720 params
->seq_len
, params
->seq
)) ||
2722 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2724 goto nla_put_failure
;
2726 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2728 goto nla_put_failure
;
2731 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2732 params
->key_len
, params
->key
)) ||
2734 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2735 params
->seq_len
, params
->seq
)) ||
2737 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2739 goto nla_put_failure
;
2741 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2742 goto nla_put_failure
;
2744 nla_nest_end(cookie
->msg
, key
);
2751 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2753 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2755 struct net_device
*dev
= info
->user_ptr
[1];
2757 const u8
*mac_addr
= NULL
;
2759 struct get_key_cookie cookie
= {
2763 struct sk_buff
*msg
;
2765 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2766 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2771 if (info
->attrs
[NL80211_ATTR_MAC
])
2772 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2774 pairwise
= !!mac_addr
;
2775 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2776 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2777 if (kt
>= NUM_NL80211_KEYTYPES
)
2779 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2780 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2782 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2785 if (!rdev
->ops
->get_key
)
2788 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2792 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2793 NL80211_CMD_NEW_KEY
);
2795 goto nla_put_failure
;
2798 cookie
.idx
= key_idx
;
2800 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2801 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2802 goto nla_put_failure
;
2804 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2805 goto nla_put_failure
;
2807 if (pairwise
&& mac_addr
&&
2808 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2811 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2818 goto nla_put_failure
;
2820 genlmsg_end(msg
, hdr
);
2821 return genlmsg_reply(msg
, info
);
2830 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2832 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2833 struct key_parse key
;
2835 struct net_device
*dev
= info
->user_ptr
[1];
2837 err
= nl80211_parse_key(info
, &key
);
2844 /* only support setting default key */
2845 if (!key
.def
&& !key
.defmgmt
)
2848 wdev_lock(dev
->ieee80211_ptr
);
2851 if (!rdev
->ops
->set_default_key
) {
2856 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2860 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2861 key
.def_uni
, key
.def_multi
);
2866 #ifdef CONFIG_CFG80211_WEXT
2867 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2870 if (key
.def_uni
|| !key
.def_multi
) {
2875 if (!rdev
->ops
->set_default_mgmt_key
) {
2880 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2884 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2888 #ifdef CONFIG_CFG80211_WEXT
2889 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2894 wdev_unlock(dev
->ieee80211_ptr
);
2899 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2901 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2903 struct net_device
*dev
= info
->user_ptr
[1];
2904 struct key_parse key
;
2905 const u8
*mac_addr
= NULL
;
2907 err
= nl80211_parse_key(info
, &key
);
2914 if (info
->attrs
[NL80211_ATTR_MAC
])
2915 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2917 if (key
.type
== -1) {
2919 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2921 key
.type
= NL80211_KEYTYPE_GROUP
;
2925 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2926 key
.type
!= NL80211_KEYTYPE_GROUP
)
2929 if (!rdev
->ops
->add_key
)
2932 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2933 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2937 wdev_lock(dev
->ieee80211_ptr
);
2938 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2940 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2941 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2943 wdev_unlock(dev
->ieee80211_ptr
);
2948 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2950 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2952 struct net_device
*dev
= info
->user_ptr
[1];
2953 u8
*mac_addr
= NULL
;
2954 struct key_parse key
;
2956 err
= nl80211_parse_key(info
, &key
);
2960 if (info
->attrs
[NL80211_ATTR_MAC
])
2961 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2963 if (key
.type
== -1) {
2965 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2967 key
.type
= NL80211_KEYTYPE_GROUP
;
2971 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2972 key
.type
!= NL80211_KEYTYPE_GROUP
)
2975 if (!rdev
->ops
->del_key
)
2978 wdev_lock(dev
->ieee80211_ptr
);
2979 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2981 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2982 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2986 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2987 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2990 #ifdef CONFIG_CFG80211_WEXT
2992 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2993 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2994 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2995 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2998 wdev_unlock(dev
->ieee80211_ptr
);
3003 /* This function returns an error or the number of nested attributes */
3004 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3006 struct nlattr
*attr
;
3007 int n_entries
= 0, tmp
;
3009 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3010 if (nla_len(attr
) != ETH_ALEN
)
3020 * This function parses ACL information and allocates memory for ACL data.
3021 * On successful return, the calling function is responsible to free the
3022 * ACL buffer returned by this function.
3024 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3025 struct genl_info
*info
)
3027 enum nl80211_acl_policy acl_policy
;
3028 struct nlattr
*attr
;
3029 struct cfg80211_acl_data
*acl
;
3030 int i
= 0, n_entries
, tmp
;
3032 if (!wiphy
->max_acl_mac_addrs
)
3033 return ERR_PTR(-EOPNOTSUPP
);
3035 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3036 return ERR_PTR(-EINVAL
);
3038 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3039 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3040 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3041 return ERR_PTR(-EINVAL
);
3043 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3044 return ERR_PTR(-EINVAL
);
3046 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3048 return ERR_PTR(n_entries
);
3050 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3051 return ERR_PTR(-ENOTSUPP
);
3053 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3056 return ERR_PTR(-ENOMEM
);
3058 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3059 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3063 acl
->n_acl_entries
= n_entries
;
3064 acl
->acl_policy
= acl_policy
;
3069 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3071 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3072 struct net_device
*dev
= info
->user_ptr
[1];
3073 struct cfg80211_acl_data
*acl
;
3076 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3077 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3080 if (!dev
->ieee80211_ptr
->beacon_interval
)
3083 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3085 return PTR_ERR(acl
);
3087 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3094 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3095 struct cfg80211_beacon_data
*bcn
)
3097 bool haveinfo
= false;
3099 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3100 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3101 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3102 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3105 memset(bcn
, 0, sizeof(*bcn
));
3107 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3108 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3109 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3115 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3116 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3117 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3124 if (attrs
[NL80211_ATTR_IE
]) {
3125 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3126 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3129 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3130 bcn
->proberesp_ies
=
3131 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3132 bcn
->proberesp_ies_len
=
3133 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3136 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3137 bcn
->assocresp_ies
=
3138 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3139 bcn
->assocresp_ies_len
=
3140 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3143 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3144 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3145 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3151 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3152 struct cfg80211_ap_settings
*params
)
3154 struct wireless_dev
*wdev
;
3157 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3158 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3159 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3162 if (!wdev
->preset_chandef
.chan
)
3165 params
->chandef
= wdev
->preset_chandef
;
3173 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3174 enum nl80211_auth_type auth_type
,
3175 enum nl80211_commands cmd
)
3177 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3181 case NL80211_CMD_AUTHENTICATE
:
3182 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3183 auth_type
== NL80211_AUTHTYPE_SAE
)
3186 case NL80211_CMD_CONNECT
:
3187 case NL80211_CMD_START_AP
:
3188 /* SAE not supported yet */
3189 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3197 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3199 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3200 struct net_device
*dev
= info
->user_ptr
[1];
3201 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3202 struct cfg80211_ap_settings params
;
3205 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3206 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3209 if (!rdev
->ops
->start_ap
)
3212 if (wdev
->beacon_interval
)
3215 memset(¶ms
, 0, sizeof(params
));
3217 /* these are required for START_AP */
3218 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3219 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3220 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3223 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3227 params
.beacon_interval
=
3228 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3229 params
.dtim_period
=
3230 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3232 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3237 * In theory, some of these attributes should be required here
3238 * but since they were not used when the command was originally
3239 * added, keep them optional for old user space programs to let
3240 * them continue to work with drivers that do not need the
3241 * additional information -- drivers must check!
3243 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3244 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3246 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3247 if (params
.ssid_len
== 0 ||
3248 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3252 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3253 params
.hidden_ssid
= nla_get_u32(
3254 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3255 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3256 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3257 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3261 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3263 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3264 params
.auth_type
= nla_get_u32(
3265 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3266 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3267 NL80211_CMD_START_AP
))
3270 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3272 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3273 NL80211_MAX_NR_CIPHER_SUITES
);
3277 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3278 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3280 params
.inactivity_timeout
= nla_get_u16(
3281 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3284 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3285 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3287 params
.p2p_ctwindow
=
3288 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3289 if (params
.p2p_ctwindow
> 127)
3291 if (params
.p2p_ctwindow
!= 0 &&
3292 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3296 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3299 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3301 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3304 params
.p2p_opp_ps
= tmp
;
3305 if (params
.p2p_opp_ps
!= 0 &&
3306 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3310 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3311 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3314 } else if (wdev
->preset_chandef
.chan
) {
3315 params
.chandef
= wdev
->preset_chandef
;
3316 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3319 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3323 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3324 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3325 if (IS_ERR(params
.acl
))
3326 return PTR_ERR(params
.acl
);
3330 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3332 wdev
->preset_chandef
= params
.chandef
;
3333 wdev
->beacon_interval
= params
.beacon_interval
;
3334 wdev
->chandef
= params
.chandef
;
3335 wdev
->ssid_len
= params
.ssid_len
;
3336 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3345 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3347 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3348 struct net_device
*dev
= info
->user_ptr
[1];
3349 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3350 struct cfg80211_beacon_data params
;
3353 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3354 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3357 if (!rdev
->ops
->change_beacon
)
3360 if (!wdev
->beacon_interval
)
3363 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3368 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3374 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3376 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3377 struct net_device
*dev
= info
->user_ptr
[1];
3379 return cfg80211_stop_ap(rdev
, dev
, false);
3382 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3383 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3384 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3385 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3386 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3387 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3388 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3391 static int parse_station_flags(struct genl_info
*info
,
3392 enum nl80211_iftype iftype
,
3393 struct station_parameters
*params
)
3395 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3400 * Try parsing the new attribute first so userspace
3401 * can specify both for older kernels.
3403 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3405 struct nl80211_sta_flag_update
*sta_flags
;
3407 sta_flags
= nla_data(nla
);
3408 params
->sta_flags_mask
= sta_flags
->mask
;
3409 params
->sta_flags_set
= sta_flags
->set
;
3410 params
->sta_flags_set
&= params
->sta_flags_mask
;
3411 if ((params
->sta_flags_mask
|
3412 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3417 /* if present, parse the old attribute */
3419 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3423 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3424 nla
, sta_flags_policy
))
3428 * Only allow certain flags for interface types so that
3429 * other attributes are silently ignored. Remember that
3430 * this is backward compatibility code with old userspace
3431 * and shouldn't be hit in other cases anyway.
3434 case NL80211_IFTYPE_AP
:
3435 case NL80211_IFTYPE_AP_VLAN
:
3436 case NL80211_IFTYPE_P2P_GO
:
3437 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3438 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3439 BIT(NL80211_STA_FLAG_WME
) |
3440 BIT(NL80211_STA_FLAG_MFP
);
3442 case NL80211_IFTYPE_P2P_CLIENT
:
3443 case NL80211_IFTYPE_STATION
:
3444 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3445 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3447 case NL80211_IFTYPE_MESH_POINT
:
3448 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3449 BIT(NL80211_STA_FLAG_MFP
) |
3450 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3455 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3457 params
->sta_flags_set
|= (1<<flag
);
3459 /* no longer support new API additions in old API */
3460 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3468 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3471 struct nlattr
*rate
;
3475 rate
= nla_nest_start(msg
, attr
);
3479 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3480 bitrate
= cfg80211_calculate_bitrate(info
);
3481 /* report 16-bit bitrate only if we can */
3482 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3484 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3486 if (bitrate_compat
> 0 &&
3487 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3490 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3491 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3493 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3494 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3496 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3497 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3499 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3500 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3502 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3504 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3505 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3507 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3508 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3510 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3511 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3513 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3514 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3516 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3517 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3521 nla_nest_end(msg
, rate
);
3525 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3534 attr
= nla_nest_start(msg
, id
);
3538 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3539 if (!(mask
& BIT(i
)))
3542 if (nla_put_u8(msg
, i
, signal
[i
]))
3546 nla_nest_end(msg
, attr
);
3551 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3553 struct cfg80211_registered_device
*rdev
,
3554 struct net_device
*dev
,
3555 const u8
*mac_addr
, struct station_info
*sinfo
)
3558 struct nlattr
*sinfoattr
, *bss_param
;
3560 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3564 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3565 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3566 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3567 goto nla_put_failure
;
3569 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3571 goto nla_put_failure
;
3572 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3573 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3574 sinfo
->connected_time
))
3575 goto nla_put_failure
;
3576 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3577 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3578 sinfo
->inactive_time
))
3579 goto nla_put_failure
;
3580 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3581 STATION_INFO_RX_BYTES64
)) &&
3582 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3583 (u32
)sinfo
->rx_bytes
))
3584 goto nla_put_failure
;
3585 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3586 STATION_INFO_TX_BYTES64
)) &&
3587 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3588 (u32
)sinfo
->tx_bytes
))
3589 goto nla_put_failure
;
3590 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3591 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3593 goto nla_put_failure
;
3594 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3595 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3597 goto nla_put_failure
;
3598 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3599 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3600 goto nla_put_failure
;
3601 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3602 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3603 goto nla_put_failure
;
3604 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3605 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3606 sinfo
->plink_state
))
3607 goto nla_put_failure
;
3608 switch (rdev
->wiphy
.signal_type
) {
3609 case CFG80211_SIGNAL_TYPE_MBM
:
3610 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3611 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3613 goto nla_put_failure
;
3614 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3615 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3617 goto nla_put_failure
;
3622 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3623 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3624 sinfo
->chain_signal
,
3625 NL80211_STA_INFO_CHAIN_SIGNAL
))
3626 goto nla_put_failure
;
3628 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3629 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3630 sinfo
->chain_signal_avg
,
3631 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3632 goto nla_put_failure
;
3634 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3635 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3636 NL80211_STA_INFO_TX_BITRATE
))
3637 goto nla_put_failure
;
3639 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3640 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3641 NL80211_STA_INFO_RX_BITRATE
))
3642 goto nla_put_failure
;
3644 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3645 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3647 goto nla_put_failure
;
3648 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3649 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3651 goto nla_put_failure
;
3652 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3653 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3655 goto nla_put_failure
;
3656 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3657 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3659 goto nla_put_failure
;
3660 if ((sinfo
->filled
& STATION_INFO_EXPECTED_THROUGHPUT
) &&
3661 nla_put_u32(msg
, NL80211_STA_INFO_EXPECTED_THROUGHPUT
,
3662 sinfo
->expected_throughput
))
3663 goto nla_put_failure
;
3664 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3665 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3666 sinfo
->beacon_loss_count
))
3667 goto nla_put_failure
;
3668 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3669 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3671 goto nla_put_failure
;
3672 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3673 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3675 goto nla_put_failure
;
3676 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3677 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3679 goto nla_put_failure
;
3680 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3681 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3683 goto nla_put_failure
;
3685 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3686 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3687 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3688 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3689 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3690 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3691 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3692 sinfo
->bss_param
.dtim_period
) ||
3693 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3694 sinfo
->bss_param
.beacon_interval
))
3695 goto nla_put_failure
;
3697 nla_nest_end(msg
, bss_param
);
3699 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3700 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3701 sizeof(struct nl80211_sta_flag_update
),
3703 goto nla_put_failure
;
3704 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3705 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3707 goto nla_put_failure
;
3708 nla_nest_end(msg
, sinfoattr
);
3710 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3711 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3712 sinfo
->assoc_req_ies
))
3713 goto nla_put_failure
;
3715 return genlmsg_end(msg
, hdr
);
3718 genlmsg_cancel(msg
, hdr
);
3722 static int nl80211_dump_station(struct sk_buff
*skb
,
3723 struct netlink_callback
*cb
)
3725 struct station_info sinfo
;
3726 struct cfg80211_registered_device
*rdev
;
3727 struct wireless_dev
*wdev
;
3728 u8 mac_addr
[ETH_ALEN
];
3729 int sta_idx
= cb
->args
[2];
3732 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3736 if (!wdev
->netdev
) {
3741 if (!rdev
->ops
->dump_station
) {
3747 memset(&sinfo
, 0, sizeof(sinfo
));
3748 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3755 if (nl80211_send_station(skb
,
3756 NETLINK_CB(cb
->skb
).portid
,
3757 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3758 rdev
, wdev
->netdev
, mac_addr
,
3767 cb
->args
[2] = sta_idx
;
3770 nl80211_finish_wdev_dump(rdev
);
3775 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3777 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3778 struct net_device
*dev
= info
->user_ptr
[1];
3779 struct station_info sinfo
;
3780 struct sk_buff
*msg
;
3781 u8
*mac_addr
= NULL
;
3784 memset(&sinfo
, 0, sizeof(sinfo
));
3786 if (!info
->attrs
[NL80211_ATTR_MAC
])
3789 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3791 if (!rdev
->ops
->get_station
)
3794 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3798 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3802 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3803 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3808 return genlmsg_reply(msg
, info
);
3811 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3812 struct station_parameters
*params
,
3813 enum cfg80211_station_type statype
)
3815 if (params
->listen_interval
!= -1)
3818 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3821 /* When you run into this, adjust the code below for the new flag */
3822 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3825 case CFG80211_STA_MESH_PEER_KERNEL
:
3826 case CFG80211_STA_MESH_PEER_USER
:
3828 * No ignoring the TDLS flag here -- the userspace mesh
3829 * code doesn't have the bug of including TDLS in the
3832 if (params
->sta_flags_mask
&
3833 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3834 BIT(NL80211_STA_FLAG_MFP
) |
3835 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3838 case CFG80211_STA_TDLS_PEER_SETUP
:
3839 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3840 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3842 /* ignore since it can't change */
3843 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3846 /* disallow mesh-specific things */
3847 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3849 if (params
->local_pm
)
3851 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3855 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3856 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3857 /* TDLS can't be set, ... */
3858 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3861 * ... but don't bother the driver with it. This works around
3862 * a hostapd/wpa_supplicant issue -- it always includes the
3863 * TLDS_PEER flag in the mask even for AP mode.
3865 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3868 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3869 /* reject other things that can't change */
3870 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3872 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3874 if (params
->supported_rates
)
3876 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3880 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3886 case CFG80211_STA_AP_MLME_CLIENT
:
3887 /* Use this only for authorizing/unauthorizing a station */
3888 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3891 case CFG80211_STA_AP_CLIENT
:
3892 /* accept only the listed bits */
3893 if (params
->sta_flags_mask
&
3894 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3895 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3896 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3897 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3898 BIT(NL80211_STA_FLAG_WME
) |
3899 BIT(NL80211_STA_FLAG_MFP
)))
3902 /* but authenticated/associated only if driver handles it */
3903 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3904 params
->sta_flags_mask
&
3905 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3906 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3909 case CFG80211_STA_IBSS
:
3910 case CFG80211_STA_AP_STA
:
3911 /* reject any changes other than AUTHORIZED */
3912 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3915 case CFG80211_STA_TDLS_PEER_SETUP
:
3916 /* reject any changes other than AUTHORIZED or WME */
3917 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3918 BIT(NL80211_STA_FLAG_WME
)))
3920 /* force (at least) rates when authorizing */
3921 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3922 !params
->supported_rates
)
3925 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3926 /* reject any changes */
3928 case CFG80211_STA_MESH_PEER_KERNEL
:
3929 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3932 case CFG80211_STA_MESH_PEER_USER
:
3933 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3940 EXPORT_SYMBOL(cfg80211_check_station_change
);
3943 * Get vlan interface making sure it is running and on the right wiphy.
3945 static struct net_device
*get_vlan(struct genl_info
*info
,
3946 struct cfg80211_registered_device
*rdev
)
3948 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3949 struct net_device
*v
;
3955 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3957 return ERR_PTR(-ENODEV
);
3959 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3964 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3965 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3966 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3971 if (!netif_running(v
)) {
3979 return ERR_PTR(ret
);
3982 static const struct nla_policy
3983 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
3984 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3985 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3988 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3989 struct station_parameters
*params
)
3991 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3995 /* parse WME attributes if present */
3996 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3999 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4000 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4001 nl80211_sta_wme_policy
);
4005 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4006 params
->uapsd_queues
= nla_get_u8(
4007 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4008 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4011 if (tb
[NL80211_STA_WME_MAX_SP
])
4012 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4014 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4017 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4022 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4023 struct station_parameters
*params
)
4025 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4026 params
->supported_channels
=
4027 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4028 params
->supported_channels_len
=
4029 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4031 * Need to include at least one (first channel, number of
4032 * channels) tuple for each subband, and must have proper
4033 * tuples for the rest of the data as well.
4035 if (params
->supported_channels_len
< 2)
4037 if (params
->supported_channels_len
% 2)
4041 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4042 params
->supported_oper_classes
=
4043 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4044 params
->supported_oper_classes_len
=
4045 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4047 * The value of the Length field of the Supported Operating
4048 * Classes element is between 2 and 253.
4050 if (params
->supported_oper_classes_len
< 2 ||
4051 params
->supported_oper_classes_len
> 253)
4057 static int nl80211_set_station_tdls(struct genl_info
*info
,
4058 struct station_parameters
*params
)
4061 /* Dummy STA entry gets updated once the peer capabilities are known */
4062 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4063 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4064 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4066 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4067 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4069 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4071 err
= nl80211_parse_sta_channel_info(info
, params
);
4075 return nl80211_parse_sta_wme(info
, params
);
4078 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4080 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4081 struct net_device
*dev
= info
->user_ptr
[1];
4082 struct station_parameters params
;
4086 memset(¶ms
, 0, sizeof(params
));
4088 params
.listen_interval
= -1;
4090 if (!rdev
->ops
->change_station
)
4093 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4096 if (!info
->attrs
[NL80211_ATTR_MAC
])
4099 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4101 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4102 params
.supported_rates
=
4103 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4104 params
.supported_rates_len
=
4105 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4108 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4110 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4111 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4114 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4116 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4117 params
.ext_capab_len
=
4118 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4121 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4124 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4127 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4128 params
.plink_action
=
4129 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4130 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4134 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4135 params
.plink_state
=
4136 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4137 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4139 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4142 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4143 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4144 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4146 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4147 pm
> NL80211_MESH_POWER_MAX
)
4150 params
.local_pm
= pm
;
4153 /* Include parameters for TDLS peer (will check later) */
4154 err
= nl80211_set_station_tdls(info
, ¶ms
);
4158 params
.vlan
= get_vlan(info
, rdev
);
4159 if (IS_ERR(params
.vlan
))
4160 return PTR_ERR(params
.vlan
);
4162 switch (dev
->ieee80211_ptr
->iftype
) {
4163 case NL80211_IFTYPE_AP
:
4164 case NL80211_IFTYPE_AP_VLAN
:
4165 case NL80211_IFTYPE_P2P_GO
:
4166 case NL80211_IFTYPE_P2P_CLIENT
:
4167 case NL80211_IFTYPE_STATION
:
4168 case NL80211_IFTYPE_ADHOC
:
4169 case NL80211_IFTYPE_MESH_POINT
:
4176 /* driver will call cfg80211_check_station_change() */
4177 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4181 dev_put(params
.vlan
);
4186 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4188 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4190 struct net_device
*dev
= info
->user_ptr
[1];
4191 struct station_parameters params
;
4192 u8
*mac_addr
= NULL
;
4194 memset(¶ms
, 0, sizeof(params
));
4196 if (!rdev
->ops
->add_station
)
4199 if (!info
->attrs
[NL80211_ATTR_MAC
])
4202 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4205 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4208 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4209 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4212 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4213 params
.supported_rates
=
4214 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4215 params
.supported_rates_len
=
4216 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4217 params
.listen_interval
=
4218 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4220 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4221 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4223 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4224 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4227 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4229 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4230 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4233 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4235 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4236 params
.ext_capab_len
=
4237 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4240 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4242 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4244 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4246 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4248 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4249 params
.opmode_notif_used
= true;
4250 params
.opmode_notif
=
4251 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4254 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4255 params
.plink_action
=
4256 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4257 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4261 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4265 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4269 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4272 /* When you run into this, adjust the code below for the new flag */
4273 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4275 switch (dev
->ieee80211_ptr
->iftype
) {
4276 case NL80211_IFTYPE_AP
:
4277 case NL80211_IFTYPE_AP_VLAN
:
4278 case NL80211_IFTYPE_P2P_GO
:
4279 /* ignore WME attributes if iface/sta is not capable */
4280 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4281 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4282 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4284 /* TDLS peers cannot be added */
4285 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4286 info
->attrs
[NL80211_ATTR_PEER_AID
])
4288 /* but don't bother the driver with it */
4289 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4291 /* allow authenticated/associated only if driver handles it */
4292 if (!(rdev
->wiphy
.features
&
4293 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4294 params
.sta_flags_mask
&
4295 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4296 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4299 /* must be last in here for error handling */
4300 params
.vlan
= get_vlan(info
, rdev
);
4301 if (IS_ERR(params
.vlan
))
4302 return PTR_ERR(params
.vlan
);
4304 case NL80211_IFTYPE_MESH_POINT
:
4305 /* ignore uAPSD data */
4306 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4308 /* associated is disallowed */
4309 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4311 /* TDLS peers cannot be added */
4312 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4313 info
->attrs
[NL80211_ATTR_PEER_AID
])
4316 case NL80211_IFTYPE_STATION
:
4317 case NL80211_IFTYPE_P2P_CLIENT
:
4318 /* ignore uAPSD data */
4319 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4321 /* these are disallowed */
4322 if (params
.sta_flags_mask
&
4323 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4324 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4326 /* Only TDLS peers can be added */
4327 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4329 /* Can only add if TDLS ... */
4330 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4332 /* ... with external setup is supported */
4333 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4336 * Older wpa_supplicant versions always mark the TDLS peer
4337 * as authorized, but it shouldn't yet be.
4339 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4345 /* be aware of params.vlan when changing code here */
4347 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4350 dev_put(params
.vlan
);
4354 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4356 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4357 struct net_device
*dev
= info
->user_ptr
[1];
4358 u8
*mac_addr
= NULL
;
4360 if (info
->attrs
[NL80211_ATTR_MAC
])
4361 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4363 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4364 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4365 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4366 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4369 if (!rdev
->ops
->del_station
)
4372 return rdev_del_station(rdev
, dev
, mac_addr
);
4375 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4376 int flags
, struct net_device
*dev
,
4377 u8
*dst
, u8
*next_hop
,
4378 struct mpath_info
*pinfo
)
4381 struct nlattr
*pinfoattr
;
4383 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4387 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4388 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4389 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4390 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4391 goto nla_put_failure
;
4393 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4395 goto nla_put_failure
;
4396 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4397 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4399 goto nla_put_failure
;
4400 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4401 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4402 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4403 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4405 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4406 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4408 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4409 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4411 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4412 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4413 pinfo
->discovery_timeout
)) ||
4414 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4415 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4416 pinfo
->discovery_retries
)))
4417 goto nla_put_failure
;
4419 nla_nest_end(msg
, pinfoattr
);
4421 return genlmsg_end(msg
, hdr
);
4424 genlmsg_cancel(msg
, hdr
);
4428 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4429 struct netlink_callback
*cb
)
4431 struct mpath_info pinfo
;
4432 struct cfg80211_registered_device
*rdev
;
4433 struct wireless_dev
*wdev
;
4435 u8 next_hop
[ETH_ALEN
];
4436 int path_idx
= cb
->args
[2];
4439 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4443 if (!rdev
->ops
->dump_mpath
) {
4448 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4454 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4461 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4462 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4463 wdev
->netdev
, dst
, next_hop
,
4472 cb
->args
[2] = path_idx
;
4475 nl80211_finish_wdev_dump(rdev
);
4479 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4481 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4483 struct net_device
*dev
= info
->user_ptr
[1];
4484 struct mpath_info pinfo
;
4485 struct sk_buff
*msg
;
4487 u8 next_hop
[ETH_ALEN
];
4489 memset(&pinfo
, 0, sizeof(pinfo
));
4491 if (!info
->attrs
[NL80211_ATTR_MAC
])
4494 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4496 if (!rdev
->ops
->get_mpath
)
4499 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4502 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4506 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4510 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4511 dev
, dst
, next_hop
, &pinfo
) < 0) {
4516 return genlmsg_reply(msg
, info
);
4519 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4521 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4522 struct net_device
*dev
= info
->user_ptr
[1];
4524 u8
*next_hop
= NULL
;
4526 if (!info
->attrs
[NL80211_ATTR_MAC
])
4529 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4532 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4533 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4535 if (!rdev
->ops
->change_mpath
)
4538 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4541 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4544 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4546 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4547 struct net_device
*dev
= info
->user_ptr
[1];
4549 u8
*next_hop
= NULL
;
4551 if (!info
->attrs
[NL80211_ATTR_MAC
])
4554 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4557 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4558 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4560 if (!rdev
->ops
->add_mpath
)
4563 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4566 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4569 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4571 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4572 struct net_device
*dev
= info
->user_ptr
[1];
4575 if (info
->attrs
[NL80211_ATTR_MAC
])
4576 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4578 if (!rdev
->ops
->del_mpath
)
4581 return rdev_del_mpath(rdev
, dev
, dst
);
4584 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4586 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4587 struct net_device
*dev
= info
->user_ptr
[1];
4588 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4589 struct bss_parameters params
;
4592 memset(¶ms
, 0, sizeof(params
));
4593 /* default to not changing parameters */
4594 params
.use_cts_prot
= -1;
4595 params
.use_short_preamble
= -1;
4596 params
.use_short_slot_time
= -1;
4597 params
.ap_isolate
= -1;
4598 params
.ht_opmode
= -1;
4599 params
.p2p_ctwindow
= -1;
4600 params
.p2p_opp_ps
= -1;
4602 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4603 params
.use_cts_prot
=
4604 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4605 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4606 params
.use_short_preamble
=
4607 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4608 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4609 params
.use_short_slot_time
=
4610 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4611 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4612 params
.basic_rates
=
4613 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4614 params
.basic_rates_len
=
4615 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4617 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4618 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4619 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4621 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4623 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4624 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4626 params
.p2p_ctwindow
=
4627 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4628 if (params
.p2p_ctwindow
< 0)
4630 if (params
.p2p_ctwindow
!= 0 &&
4631 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4635 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4638 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4640 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4643 params
.p2p_opp_ps
= tmp
;
4644 if (params
.p2p_opp_ps
&&
4645 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4649 if (!rdev
->ops
->change_bss
)
4652 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4653 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4657 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4663 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4664 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4665 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4666 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4667 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4668 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4669 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4670 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4673 static int parse_reg_rule(struct nlattr
*tb
[],
4674 struct ieee80211_reg_rule
*reg_rule
)
4676 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4677 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4679 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4681 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4683 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4685 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4687 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4690 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4692 freq_range
->start_freq_khz
=
4693 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4694 freq_range
->end_freq_khz
=
4695 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4696 freq_range
->max_bandwidth_khz
=
4697 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4699 power_rule
->max_eirp
=
4700 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4702 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4703 power_rule
->max_antenna_gain
=
4704 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4706 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4707 reg_rule
->dfs_cac_ms
=
4708 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4713 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4716 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4719 * You should only get this when cfg80211 hasn't yet initialized
4720 * completely when built-in to the kernel right between the time
4721 * window between nl80211_init() and regulatory_init(), if that is
4724 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4725 return -EINPROGRESS
;
4727 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4728 user_reg_hint_type
=
4729 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4731 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4733 switch (user_reg_hint_type
) {
4734 case NL80211_USER_REG_HINT_USER
:
4735 case NL80211_USER_REG_HINT_CELL_BASE
:
4736 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4739 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4740 return regulatory_hint_user(data
, user_reg_hint_type
);
4741 case NL80211_USER_REG_HINT_INDOOR
:
4742 return regulatory_hint_indoor_user();
4748 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4749 struct genl_info
*info
)
4751 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4752 struct net_device
*dev
= info
->user_ptr
[1];
4753 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4754 struct mesh_config cur_params
;
4757 struct nlattr
*pinfoattr
;
4758 struct sk_buff
*msg
;
4760 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4763 if (!rdev
->ops
->get_mesh_config
)
4767 /* If not connected, get default parameters */
4768 if (!wdev
->mesh_id_len
)
4769 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4771 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4777 /* Draw up a netlink message to send back */
4778 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4781 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4782 NL80211_CMD_GET_MESH_CONFIG
);
4785 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4787 goto nla_put_failure
;
4788 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4789 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4790 cur_params
.dot11MeshRetryTimeout
) ||
4791 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4792 cur_params
.dot11MeshConfirmTimeout
) ||
4793 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4794 cur_params
.dot11MeshHoldingTimeout
) ||
4795 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4796 cur_params
.dot11MeshMaxPeerLinks
) ||
4797 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4798 cur_params
.dot11MeshMaxRetries
) ||
4799 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4800 cur_params
.dot11MeshTTL
) ||
4801 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4802 cur_params
.element_ttl
) ||
4803 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4804 cur_params
.auto_open_plinks
) ||
4805 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4806 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4807 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4808 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4809 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4810 cur_params
.path_refresh_time
) ||
4811 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4812 cur_params
.min_discovery_timeout
) ||
4813 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4814 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4815 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4816 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4817 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4818 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4819 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4820 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4821 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4822 cur_params
.dot11MeshHWMPRootMode
) ||
4823 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4824 cur_params
.dot11MeshHWMPRannInterval
) ||
4825 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4826 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4827 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4828 cur_params
.dot11MeshForwarding
) ||
4829 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4830 cur_params
.rssi_threshold
) ||
4831 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4832 cur_params
.ht_opmode
) ||
4833 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4834 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4835 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4836 cur_params
.dot11MeshHWMProotInterval
) ||
4837 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4838 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4839 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4840 cur_params
.power_mode
) ||
4841 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4842 cur_params
.dot11MeshAwakeWindowDuration
) ||
4843 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4844 cur_params
.plink_timeout
))
4845 goto nla_put_failure
;
4846 nla_nest_end(msg
, pinfoattr
);
4847 genlmsg_end(msg
, hdr
);
4848 return genlmsg_reply(msg
, info
);
4851 genlmsg_cancel(msg
, hdr
);
4857 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4858 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4859 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4860 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4861 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4862 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4863 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4864 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4865 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4866 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4867 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4868 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4869 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4870 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4871 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4872 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4873 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4874 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4875 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4876 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4877 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4878 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4879 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4880 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4881 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4882 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4883 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4884 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4885 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4888 static const struct nla_policy
4889 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4890 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4891 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4892 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4893 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4894 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4895 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4896 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4897 .len
= IEEE80211_MAX_DATA_LEN
},
4898 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4901 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4902 struct mesh_config
*cfg
,
4905 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4908 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4911 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4913 cfg->param = fn(tb[attr]); \
4914 mask |= (1 << (attr - 1)); \
4919 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4921 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4922 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4923 nl80211_meshconf_params_policy
))
4926 /* This makes sure that there aren't more than 32 mesh config
4927 * parameters (otherwise our bitfield scheme would not work.) */
4928 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4930 /* Fill in the params struct */
4931 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4932 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4934 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4935 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4937 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4938 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4940 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4941 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4943 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4944 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4946 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4947 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4948 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4949 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4951 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4952 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4954 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4956 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4958 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4959 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4961 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4962 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4964 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4965 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4967 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4969 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4971 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4973 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4975 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4977 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4979 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4980 dot11MeshHWMPnetDiameterTraversalTime
,
4982 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4984 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4985 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4987 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4988 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4990 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4991 dot11MeshGateAnnouncementProtocol
, 0, 1,
4992 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4994 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4995 mask
, NL80211_MESHCONF_FORWARDING
,
4997 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4998 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5000 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5001 mask
, NL80211_MESHCONF_HT_OPMODE
,
5003 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5005 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5007 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5008 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5010 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5011 dot11MeshHWMPconfirmationInterval
,
5013 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5015 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5016 NL80211_MESH_POWER_ACTIVE
,
5017 NL80211_MESH_POWER_MAX
,
5018 mask
, NL80211_MESHCONF_POWER_MODE
,
5020 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5022 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5023 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5024 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5031 #undef FILL_IN_MESH_PARAM_IF_SET
5034 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5035 struct mesh_setup
*setup
)
5037 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5038 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5040 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5042 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5043 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5044 nl80211_mesh_setup_params_policy
))
5047 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5048 setup
->sync_method
=
5049 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5050 IEEE80211_SYNC_METHOD_VENDOR
:
5051 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5053 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5054 setup
->path_sel_proto
=
5055 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5056 IEEE80211_PATH_PROTOCOL_VENDOR
:
5057 IEEE80211_PATH_PROTOCOL_HWMP
;
5059 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5060 setup
->path_metric
=
5061 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5062 IEEE80211_PATH_METRIC_VENDOR
:
5063 IEEE80211_PATH_METRIC_AIRTIME
;
5066 if (tb
[NL80211_MESH_SETUP_IE
]) {
5067 struct nlattr
*ieattr
=
5068 tb
[NL80211_MESH_SETUP_IE
];
5069 if (!is_valid_ie_attr(ieattr
))
5071 setup
->ie
= nla_data(ieattr
);
5072 setup
->ie_len
= nla_len(ieattr
);
5074 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5075 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5077 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5078 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5079 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5080 if (setup
->is_secure
)
5081 setup
->user_mpm
= true;
5083 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5084 if (!setup
->user_mpm
)
5087 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5093 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5094 struct genl_info
*info
)
5096 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5097 struct net_device
*dev
= info
->user_ptr
[1];
5098 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5099 struct mesh_config cfg
;
5103 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5106 if (!rdev
->ops
->update_mesh_config
)
5109 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5114 if (!wdev
->mesh_id_len
)
5118 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5125 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5127 const struct ieee80211_regdomain
*regdom
;
5128 struct sk_buff
*msg
;
5130 struct nlattr
*nl_reg_rules
;
5133 if (!cfg80211_regdomain
)
5136 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5140 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5141 NL80211_CMD_GET_REG
);
5145 if (reg_last_request_cell_base() &&
5146 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5147 NL80211_USER_REG_HINT_CELL_BASE
))
5148 goto nla_put_failure
;
5151 regdom
= rcu_dereference(cfg80211_regdomain
);
5153 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5154 (regdom
->dfs_region
&&
5155 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5156 goto nla_put_failure_rcu
;
5158 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5160 goto nla_put_failure_rcu
;
5162 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5163 struct nlattr
*nl_reg_rule
;
5164 const struct ieee80211_reg_rule
*reg_rule
;
5165 const struct ieee80211_freq_range
*freq_range
;
5166 const struct ieee80211_power_rule
*power_rule
;
5167 unsigned int max_bandwidth_khz
;
5169 reg_rule
= ®dom
->reg_rules
[i
];
5170 freq_range
= ®_rule
->freq_range
;
5171 power_rule
= ®_rule
->power_rule
;
5173 nl_reg_rule
= nla_nest_start(msg
, i
);
5175 goto nla_put_failure_rcu
;
5177 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5178 if (!max_bandwidth_khz
)
5179 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5182 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5184 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5185 freq_range
->start_freq_khz
) ||
5186 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5187 freq_range
->end_freq_khz
) ||
5188 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5189 max_bandwidth_khz
) ||
5190 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5191 power_rule
->max_antenna_gain
) ||
5192 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5193 power_rule
->max_eirp
) ||
5194 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5195 reg_rule
->dfs_cac_ms
))
5196 goto nla_put_failure_rcu
;
5198 nla_nest_end(msg
, nl_reg_rule
);
5202 nla_nest_end(msg
, nl_reg_rules
);
5204 genlmsg_end(msg
, hdr
);
5205 return genlmsg_reply(msg
, info
);
5207 nla_put_failure_rcu
:
5210 genlmsg_cancel(msg
, hdr
);
5216 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5218 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5219 struct nlattr
*nl_reg_rule
;
5220 char *alpha2
= NULL
;
5221 int rem_reg_rules
= 0, r
= 0;
5222 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5223 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5224 struct ieee80211_regdomain
*rd
= NULL
;
5226 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5229 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5232 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5234 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5235 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5237 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5240 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5244 if (!reg_is_valid_request(alpha2
))
5247 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5248 num_rules
* sizeof(struct ieee80211_reg_rule
);
5250 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5254 rd
->n_reg_rules
= num_rules
;
5255 rd
->alpha2
[0] = alpha2
[0];
5256 rd
->alpha2
[1] = alpha2
[1];
5259 * Disable DFS master mode if the DFS region was
5260 * not supported or known on this kernel.
5262 if (reg_supported_dfs_region(dfs_region
))
5263 rd
->dfs_region
= dfs_region
;
5265 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5267 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5268 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5272 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5278 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5285 /* set_regdom took ownership */
5293 static int validate_scan_freqs(struct nlattr
*freqs
)
5295 struct nlattr
*attr1
, *attr2
;
5296 int n_channels
= 0, tmp1
, tmp2
;
5298 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5301 * Some hardware has a limited channel list for
5302 * scanning, and it is pretty much nonsensical
5303 * to scan for a channel twice, so disallow that
5304 * and don't require drivers to check that the
5305 * channel list they get isn't longer than what
5306 * they can scan, as long as they can scan all
5307 * the channels they registered at once.
5309 nla_for_each_nested(attr2
, freqs
, tmp2
)
5310 if (attr1
!= attr2
&&
5311 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5318 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5320 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5321 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5322 struct cfg80211_scan_request
*request
;
5323 struct nlattr
*attr
;
5324 struct wiphy
*wiphy
;
5325 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5328 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5331 wiphy
= &rdev
->wiphy
;
5333 if (!rdev
->ops
->scan
)
5336 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5341 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5342 n_channels
= validate_scan_freqs(
5343 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5349 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5352 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5353 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5356 if (n_ssids
> wiphy
->max_scan_ssids
) {
5361 if (info
->attrs
[NL80211_ATTR_IE
])
5362 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5366 if (ie_len
> wiphy
->max_scan_ie_len
) {
5371 request
= kzalloc(sizeof(*request
)
5372 + sizeof(*request
->ssids
) * n_ssids
5373 + sizeof(*request
->channels
) * n_channels
5374 + ie_len
, GFP_KERNEL
);
5381 request
->ssids
= (void *)&request
->channels
[n_channels
];
5382 request
->n_ssids
= n_ssids
;
5385 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5387 request
->ie
= (void *)(request
->channels
+ n_channels
);
5391 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5392 /* user specified, bail out if channel not found */
5393 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5394 struct ieee80211_channel
*chan
;
5396 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5403 /* ignore disabled channels */
5404 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5407 request
->channels
[i
] = chan
;
5411 enum ieee80211_band band
;
5414 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5416 if (!wiphy
->bands
[band
])
5418 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5419 struct ieee80211_channel
*chan
;
5421 chan
= &wiphy
->bands
[band
]->channels
[j
];
5423 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5426 request
->channels
[i
] = chan
;
5437 request
->n_channels
= i
;
5440 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5441 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5442 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5446 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5447 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5452 if (info
->attrs
[NL80211_ATTR_IE
]) {
5453 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5454 memcpy((void *)request
->ie
,
5455 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5459 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5460 if (wiphy
->bands
[i
])
5462 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5464 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5465 nla_for_each_nested(attr
,
5466 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5468 enum ieee80211_band band
= nla_type(attr
);
5470 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5475 if (!wiphy
->bands
[band
])
5478 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5481 &request
->rates
[band
]);
5487 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5488 request
->flags
= nla_get_u32(
5489 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5490 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5491 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5498 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5500 request
->wdev
= wdev
;
5501 request
->wiphy
= &rdev
->wiphy
;
5502 request
->scan_start
= jiffies
;
5504 rdev
->scan_req
= request
;
5505 err
= rdev_scan(rdev
, request
);
5508 nl80211_send_scan_start(rdev
, wdev
);
5510 dev_hold(wdev
->netdev
);
5513 rdev
->scan_req
= NULL
;
5521 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5522 struct genl_info
*info
)
5524 struct cfg80211_sched_scan_request
*request
;
5525 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5526 struct net_device
*dev
= info
->user_ptr
[1];
5527 struct nlattr
*attr
;
5528 struct wiphy
*wiphy
;
5529 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5531 enum ieee80211_band band
;
5533 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5534 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5536 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5537 !rdev
->ops
->sched_scan_start
)
5540 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5543 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5546 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5550 wiphy
= &rdev
->wiphy
;
5552 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5553 n_channels
= validate_scan_freqs(
5554 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5558 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5561 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5562 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5566 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5570 * First, count the number of 'real' matchsets. Due to an issue with
5571 * the old implementation, matchsets containing only the RSSI attribute
5572 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5573 * RSSI for all matchsets, rather than their own matchset for reporting
5574 * all APs with a strong RSSI. This is needed to be compatible with
5575 * older userspace that treated a matchset with only the RSSI as the
5576 * global RSSI for all other matchsets - if there are other matchsets.
5578 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5579 nla_for_each_nested(attr
,
5580 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5582 struct nlattr
*rssi
;
5584 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5585 nla_data(attr
), nla_len(attr
),
5586 nl80211_match_policy
);
5589 /* add other standalone attributes here */
5590 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5594 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5596 default_match_rssi
= nla_get_s32(rssi
);
5600 /* However, if there's no other matchset, add the RSSI one */
5601 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5604 if (n_match_sets
> wiphy
->max_match_sets
)
5607 if (info
->attrs
[NL80211_ATTR_IE
])
5608 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5612 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5615 if (rdev
->sched_scan_req
) {
5620 request
= kzalloc(sizeof(*request
)
5621 + sizeof(*request
->ssids
) * n_ssids
5622 + sizeof(*request
->match_sets
) * n_match_sets
5623 + sizeof(*request
->channels
) * n_channels
5624 + ie_len
, GFP_KERNEL
);
5631 request
->ssids
= (void *)&request
->channels
[n_channels
];
5632 request
->n_ssids
= n_ssids
;
5635 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5637 request
->ie
= (void *)(request
->channels
+ n_channels
);
5642 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5643 else if (request
->ssids
)
5644 request
->match_sets
=
5645 (void *)(request
->ssids
+ n_ssids
);
5647 request
->match_sets
=
5648 (void *)(request
->channels
+ n_channels
);
5650 request
->n_match_sets
= n_match_sets
;
5653 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5654 /* user specified, bail out if channel not found */
5655 nla_for_each_nested(attr
,
5656 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5658 struct ieee80211_channel
*chan
;
5660 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5667 /* ignore disabled channels */
5668 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5671 request
->channels
[i
] = chan
;
5676 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5678 if (!wiphy
->bands
[band
])
5680 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5681 struct ieee80211_channel
*chan
;
5683 chan
= &wiphy
->bands
[band
]->channels
[j
];
5685 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5688 request
->channels
[i
] = chan
;
5699 request
->n_channels
= i
;
5702 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5703 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5705 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5709 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5710 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5717 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5718 nla_for_each_nested(attr
,
5719 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5721 struct nlattr
*ssid
, *rssi
;
5723 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5724 nla_data(attr
), nla_len(attr
),
5725 nl80211_match_policy
);
5728 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5730 if (WARN_ON(i
>= n_match_sets
)) {
5731 /* this indicates a programming error,
5732 * the loop above should have verified
5739 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5743 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5744 nla_data(ssid
), nla_len(ssid
));
5745 request
->match_sets
[i
].ssid
.ssid_len
=
5747 /* special attribute - old implemenation w/a */
5748 request
->match_sets
[i
].rssi_thold
=
5750 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5752 request
->match_sets
[i
].rssi_thold
=
5758 /* there was no other matchset, so the RSSI one is alone */
5760 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
5762 request
->min_rssi_thold
= INT_MAX
;
5763 for (i
= 0; i
< n_match_sets
; i
++)
5764 request
->min_rssi_thold
=
5765 min(request
->match_sets
[i
].rssi_thold
,
5766 request
->min_rssi_thold
);
5768 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
5772 request
->ie_len
= ie_len
;
5773 memcpy((void *)request
->ie
,
5774 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5778 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5779 request
->flags
= nla_get_u32(
5780 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5781 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5782 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5789 request
->wiphy
= &rdev
->wiphy
;
5790 request
->interval
= interval
;
5791 request
->scan_start
= jiffies
;
5793 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5795 rdev
->sched_scan_req
= request
;
5796 nl80211_send_sched_scan(rdev
, dev
,
5797 NL80211_CMD_START_SCHED_SCAN
);
5807 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5808 struct genl_info
*info
)
5810 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5812 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5813 !rdev
->ops
->sched_scan_stop
)
5816 return __cfg80211_stop_sched_scan(rdev
, false);
5819 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5820 struct genl_info
*info
)
5822 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5823 struct net_device
*dev
= info
->user_ptr
[1];
5824 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5825 struct cfg80211_chan_def chandef
;
5826 enum nl80211_dfs_regions dfs_region
;
5827 unsigned int cac_time_ms
;
5830 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5831 if (dfs_region
== NL80211_DFS_UNSET
)
5834 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5838 if (netif_carrier_ok(dev
))
5841 if (wdev
->cac_started
)
5844 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
5852 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
5855 if (!rdev
->ops
->start_radar_detection
)
5858 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
5859 if (WARN_ON(!cac_time_ms
))
5860 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
5862 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
5865 wdev
->chandef
= chandef
;
5866 wdev
->cac_started
= true;
5867 wdev
->cac_start_time
= jiffies
;
5868 wdev
->cac_time_ms
= cac_time_ms
;
5873 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5875 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5876 struct net_device
*dev
= info
->user_ptr
[1];
5877 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5878 struct cfg80211_csa_settings params
;
5879 /* csa_attrs is defined static to avoid waste of stack size - this
5880 * function is called under RTNL lock, so this should not be a problem.
5882 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5883 u8 radar_detect_width
= 0;
5885 bool need_new_beacon
= false;
5888 if (!rdev
->ops
->channel_switch
||
5889 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5892 switch (dev
->ieee80211_ptr
->iftype
) {
5893 case NL80211_IFTYPE_AP
:
5894 case NL80211_IFTYPE_P2P_GO
:
5895 need_new_beacon
= true;
5897 /* useless if AP is not running */
5898 if (!wdev
->beacon_interval
)
5901 case NL80211_IFTYPE_ADHOC
:
5902 if (!wdev
->ssid_len
)
5905 case NL80211_IFTYPE_MESH_POINT
:
5906 if (!wdev
->mesh_id_len
)
5913 memset(¶ms
, 0, sizeof(params
));
5915 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5916 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5919 /* only important for AP, IBSS and mesh create IEs internally */
5920 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5923 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5925 if (!need_new_beacon
)
5928 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5932 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5933 info
->attrs
[NL80211_ATTR_CSA_IES
],
5938 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5942 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5945 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5946 if (!len
|| (len
% sizeof(u16
)))
5949 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
5950 if (rdev
->wiphy
.max_num_csa_counters
&&
5951 (params
.n_counter_offsets_beacon
>
5952 rdev
->wiphy
.max_num_csa_counters
))
5955 params
.counter_offsets_beacon
=
5956 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5958 /* sanity checks - counters should fit and be the same */
5959 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
5960 u16 offset
= params
.counter_offsets_beacon
[i
];
5962 if (offset
>= params
.beacon_csa
.tail_len
)
5965 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
5969 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5970 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5971 if (!len
|| (len
% sizeof(u16
)))
5974 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
5975 if (rdev
->wiphy
.max_num_csa_counters
&&
5976 (params
.n_counter_offsets_beacon
>
5977 rdev
->wiphy
.max_num_csa_counters
))
5980 params
.counter_offsets_presp
=
5981 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5983 /* sanity checks - counters should fit and be the same */
5984 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
5985 u16 offset
= params
.counter_offsets_presp
[i
];
5987 if (offset
>= params
.beacon_csa
.probe_resp_len
)
5990 if (params
.beacon_csa
.probe_resp
[offset
] !=
5997 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6001 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6005 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6012 radar_detect_width
= BIT(params
.chandef
.width
);
6013 params
.radar_required
= true;
6016 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6017 params
.block_tx
= true;
6020 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6026 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6028 struct cfg80211_registered_device
*rdev
,
6029 struct wireless_dev
*wdev
,
6030 struct cfg80211_internal_bss
*intbss
)
6032 struct cfg80211_bss
*res
= &intbss
->pub
;
6033 const struct cfg80211_bss_ies
*ies
;
6038 ASSERT_WDEV_LOCK(wdev
);
6040 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6041 NL80211_CMD_NEW_SCAN_RESULTS
);
6045 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6047 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6048 goto nla_put_failure
;
6050 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6051 goto nla_put_failure
;
6052 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6053 goto nla_put_failure
;
6055 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6057 goto nla_put_failure
;
6058 if ((!is_zero_ether_addr(res
->bssid
) &&
6059 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6060 goto nla_put_failure
;
6063 ies
= rcu_dereference(res
->ies
);
6065 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6066 goto fail_unlock_rcu
;
6068 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6069 ies
->len
, ies
->data
))
6070 goto fail_unlock_rcu
;
6072 ies
= rcu_dereference(res
->beacon_ies
);
6074 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6075 goto fail_unlock_rcu
;
6076 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6077 ies
->len
, ies
->data
))
6078 goto fail_unlock_rcu
;
6082 if (res
->beacon_interval
&&
6083 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6084 goto nla_put_failure
;
6085 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6086 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6087 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6088 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6089 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6090 goto nla_put_failure
;
6092 switch (rdev
->wiphy
.signal_type
) {
6093 case CFG80211_SIGNAL_TYPE_MBM
:
6094 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6095 goto nla_put_failure
;
6097 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6098 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6099 goto nla_put_failure
;
6105 switch (wdev
->iftype
) {
6106 case NL80211_IFTYPE_P2P_CLIENT
:
6107 case NL80211_IFTYPE_STATION
:
6108 if (intbss
== wdev
->current_bss
&&
6109 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6110 NL80211_BSS_STATUS_ASSOCIATED
))
6111 goto nla_put_failure
;
6113 case NL80211_IFTYPE_ADHOC
:
6114 if (intbss
== wdev
->current_bss
&&
6115 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6116 NL80211_BSS_STATUS_IBSS_JOINED
))
6117 goto nla_put_failure
;
6123 nla_nest_end(msg
, bss
);
6125 return genlmsg_end(msg
, hdr
);
6130 genlmsg_cancel(msg
, hdr
);
6134 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6136 struct cfg80211_registered_device
*rdev
;
6137 struct cfg80211_internal_bss
*scan
;
6138 struct wireless_dev
*wdev
;
6139 int start
= cb
->args
[2], idx
= 0;
6142 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6147 spin_lock_bh(&rdev
->bss_lock
);
6148 cfg80211_bss_expire(rdev
);
6150 cb
->seq
= rdev
->bss_generation
;
6152 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6155 if (nl80211_send_bss(skb
, cb
,
6156 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6157 rdev
, wdev
, scan
) < 0) {
6163 spin_unlock_bh(&rdev
->bss_lock
);
6167 nl80211_finish_wdev_dump(rdev
);
6172 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6173 int flags
, struct net_device
*dev
,
6174 struct survey_info
*survey
)
6177 struct nlattr
*infoattr
;
6179 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6180 NL80211_CMD_NEW_SURVEY_RESULTS
);
6184 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6185 goto nla_put_failure
;
6187 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6189 goto nla_put_failure
;
6191 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6192 survey
->channel
->center_freq
))
6193 goto nla_put_failure
;
6195 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6196 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6197 goto nla_put_failure
;
6198 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6199 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6200 goto nla_put_failure
;
6201 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6202 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6203 survey
->channel_time
))
6204 goto nla_put_failure
;
6205 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6206 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6207 survey
->channel_time_busy
))
6208 goto nla_put_failure
;
6209 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6210 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6211 survey
->channel_time_ext_busy
))
6212 goto nla_put_failure
;
6213 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6214 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6215 survey
->channel_time_rx
))
6216 goto nla_put_failure
;
6217 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6218 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6219 survey
->channel_time_tx
))
6220 goto nla_put_failure
;
6222 nla_nest_end(msg
, infoattr
);
6224 return genlmsg_end(msg
, hdr
);
6227 genlmsg_cancel(msg
, hdr
);
6231 static int nl80211_dump_survey(struct sk_buff
*skb
,
6232 struct netlink_callback
*cb
)
6234 struct survey_info survey
;
6235 struct cfg80211_registered_device
*rdev
;
6236 struct wireless_dev
*wdev
;
6237 int survey_idx
= cb
->args
[2];
6240 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6244 if (!wdev
->netdev
) {
6249 if (!rdev
->ops
->dump_survey
) {
6255 struct ieee80211_channel
*chan
;
6257 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6263 /* Survey without a channel doesn't make sense */
6264 if (!survey
.channel
) {
6269 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6270 survey
.channel
->center_freq
);
6271 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6276 if (nl80211_send_survey(skb
,
6277 NETLINK_CB(cb
->skb
).portid
,
6278 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6279 wdev
->netdev
, &survey
) < 0)
6285 cb
->args
[2] = survey_idx
;
6288 nl80211_finish_wdev_dump(rdev
);
6292 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6294 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6295 NL80211_WPA_VERSION_2
));
6298 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6300 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6301 struct net_device
*dev
= info
->user_ptr
[1];
6302 struct ieee80211_channel
*chan
;
6303 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6304 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6305 enum nl80211_auth_type auth_type
;
6306 struct key_parse key
;
6307 bool local_state_change
;
6309 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6312 if (!info
->attrs
[NL80211_ATTR_MAC
])
6315 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6318 if (!info
->attrs
[NL80211_ATTR_SSID
])
6321 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6324 err
= nl80211_parse_key(info
, &key
);
6329 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6331 if (!key
.p
.key
|| !key
.p
.key_len
)
6333 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6334 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6335 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6336 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6348 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6349 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6358 if (!rdev
->ops
->auth
)
6361 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6362 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6365 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6366 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6367 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6371 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6372 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6374 if (info
->attrs
[NL80211_ATTR_IE
]) {
6375 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6376 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6379 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6380 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6383 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6384 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6387 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6388 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6390 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6391 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6392 /* need to include at least Auth Transaction and Status Code */
6393 if (sae_data_len
< 4)
6397 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6400 * Since we no longer track auth state, ignore
6401 * requests to only change local state.
6403 if (local_state_change
)
6406 wdev_lock(dev
->ieee80211_ptr
);
6407 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6408 ssid
, ssid_len
, ie
, ie_len
,
6409 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6410 sae_data
, sae_data_len
);
6411 wdev_unlock(dev
->ieee80211_ptr
);
6415 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6416 struct genl_info
*info
,
6417 struct cfg80211_crypto_settings
*settings
,
6420 memset(settings
, 0, sizeof(*settings
));
6422 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6424 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6426 proto
= nla_get_u16(
6427 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6428 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6429 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6432 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6433 settings
->control_port_no_encrypt
= true;
6435 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6437 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6441 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6442 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6443 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6445 if (len
% sizeof(u32
))
6448 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6451 memcpy(settings
->ciphers_pairwise
, data
, len
);
6453 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6454 if (!cfg80211_supported_cipher_suite(
6456 settings
->ciphers_pairwise
[i
]))
6460 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6461 settings
->cipher_group
=
6462 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6463 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6464 settings
->cipher_group
))
6468 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6469 settings
->wpa_versions
=
6470 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6471 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6475 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6479 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6480 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6481 settings
->n_akm_suites
= len
/ sizeof(u32
);
6483 if (len
% sizeof(u32
))
6486 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6489 memcpy(settings
->akm_suites
, data
, len
);
6495 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6497 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6498 struct net_device
*dev
= info
->user_ptr
[1];
6499 struct ieee80211_channel
*chan
;
6500 struct cfg80211_assoc_request req
= {};
6501 const u8
*bssid
, *ssid
;
6502 int err
, ssid_len
= 0;
6504 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6507 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6508 !info
->attrs
[NL80211_ATTR_SSID
] ||
6509 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6512 if (!rdev
->ops
->assoc
)
6515 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6516 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6519 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6521 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6522 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6526 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6527 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6529 if (info
->attrs
[NL80211_ATTR_IE
]) {
6530 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6531 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6534 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6535 enum nl80211_mfp mfp
=
6536 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6537 if (mfp
== NL80211_MFP_REQUIRED
)
6539 else if (mfp
!= NL80211_MFP_NO
)
6543 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6544 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6546 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6547 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6549 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6550 memcpy(&req
.ht_capa_mask
,
6551 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6552 sizeof(req
.ht_capa_mask
));
6554 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6555 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6557 memcpy(&req
.ht_capa
,
6558 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6559 sizeof(req
.ht_capa
));
6562 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6563 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6565 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6566 memcpy(&req
.vht_capa_mask
,
6567 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6568 sizeof(req
.vht_capa_mask
));
6570 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6571 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6573 memcpy(&req
.vht_capa
,
6574 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6575 sizeof(req
.vht_capa
));
6578 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6580 wdev_lock(dev
->ieee80211_ptr
);
6581 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6582 ssid
, ssid_len
, &req
);
6583 wdev_unlock(dev
->ieee80211_ptr
);
6589 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6591 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6592 struct net_device
*dev
= info
->user_ptr
[1];
6593 const u8
*ie
= NULL
, *bssid
;
6594 int ie_len
= 0, err
;
6596 bool local_state_change
;
6598 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6601 if (!info
->attrs
[NL80211_ATTR_MAC
])
6604 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6607 if (!rdev
->ops
->deauth
)
6610 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6611 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6614 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6616 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6617 if (reason_code
== 0) {
6618 /* Reason Code 0 is reserved */
6622 if (info
->attrs
[NL80211_ATTR_IE
]) {
6623 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6624 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6627 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6629 wdev_lock(dev
->ieee80211_ptr
);
6630 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6631 local_state_change
);
6632 wdev_unlock(dev
->ieee80211_ptr
);
6636 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6638 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6639 struct net_device
*dev
= info
->user_ptr
[1];
6640 const u8
*ie
= NULL
, *bssid
;
6641 int ie_len
= 0, err
;
6643 bool local_state_change
;
6645 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6648 if (!info
->attrs
[NL80211_ATTR_MAC
])
6651 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6654 if (!rdev
->ops
->disassoc
)
6657 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6658 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6661 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6663 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6664 if (reason_code
== 0) {
6665 /* Reason Code 0 is reserved */
6669 if (info
->attrs
[NL80211_ATTR_IE
]) {
6670 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6671 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6674 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6676 wdev_lock(dev
->ieee80211_ptr
);
6677 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6678 local_state_change
);
6679 wdev_unlock(dev
->ieee80211_ptr
);
6684 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6685 int mcast_rate
[IEEE80211_NUM_BANDS
],
6688 struct wiphy
*wiphy
= &rdev
->wiphy
;
6692 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6693 struct ieee80211_supported_band
*sband
;
6695 sband
= wiphy
->bands
[band
];
6699 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6700 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6701 mcast_rate
[band
] = i
+ 1;
6711 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6713 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6714 struct net_device
*dev
= info
->user_ptr
[1];
6715 struct cfg80211_ibss_params ibss
;
6716 struct wiphy
*wiphy
;
6717 struct cfg80211_cached_keys
*connkeys
= NULL
;
6720 memset(&ibss
, 0, sizeof(ibss
));
6722 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6725 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6726 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6729 ibss
.beacon_interval
= 100;
6731 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6732 ibss
.beacon_interval
=
6733 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6734 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6738 if (!rdev
->ops
->join_ibss
)
6741 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6744 wiphy
= &rdev
->wiphy
;
6746 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6747 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6749 if (!is_valid_ether_addr(ibss
.bssid
))
6752 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6753 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6755 if (info
->attrs
[NL80211_ATTR_IE
]) {
6756 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6757 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6760 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6764 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
6765 NL80211_IFTYPE_ADHOC
))
6768 switch (ibss
.chandef
.width
) {
6769 case NL80211_CHAN_WIDTH_5
:
6770 case NL80211_CHAN_WIDTH_10
:
6771 case NL80211_CHAN_WIDTH_20_NOHT
:
6773 case NL80211_CHAN_WIDTH_20
:
6774 case NL80211_CHAN_WIDTH_40
:
6775 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6781 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6782 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6784 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6786 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6788 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6789 struct ieee80211_supported_band
*sband
=
6790 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6792 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6798 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6799 memcpy(&ibss
.ht_capa_mask
,
6800 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6801 sizeof(ibss
.ht_capa_mask
));
6803 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6804 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6806 memcpy(&ibss
.ht_capa
,
6807 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6808 sizeof(ibss
.ht_capa
));
6811 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6812 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6813 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6816 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6819 connkeys
= nl80211_parse_connkeys(rdev
,
6820 info
->attrs
[NL80211_ATTR_KEYS
],
6822 if (IS_ERR(connkeys
))
6823 return PTR_ERR(connkeys
);
6825 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6833 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6835 ibss
.userspace_handles_dfs
=
6836 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6838 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6844 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6846 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6847 struct net_device
*dev
= info
->user_ptr
[1];
6849 if (!rdev
->ops
->leave_ibss
)
6852 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6855 return cfg80211_leave_ibss(rdev
, dev
, false);
6858 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6860 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6861 struct net_device
*dev
= info
->user_ptr
[1];
6862 int mcast_rate
[IEEE80211_NUM_BANDS
];
6866 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6867 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6870 if (!rdev
->ops
->set_mcast_rate
)
6873 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6875 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6878 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6879 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6882 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6887 static struct sk_buff
*
6888 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
6889 int approxlen
, u32 portid
, u32 seq
,
6890 enum nl80211_commands cmd
,
6891 enum nl80211_attrs attr
,
6892 const struct nl80211_vendor_cmd_info
*info
,
6895 struct sk_buff
*skb
;
6897 struct nlattr
*data
;
6899 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6903 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
6909 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6910 goto nla_put_failure
;
6913 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
6915 goto nla_put_failure
;
6916 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
6918 goto nla_put_failure
;
6921 data
= nla_nest_start(skb
, attr
);
6923 ((void **)skb
->cb
)[0] = rdev
;
6924 ((void **)skb
->cb
)[1] = hdr
;
6925 ((void **)skb
->cb
)[2] = data
;
6934 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
6935 enum nl80211_commands cmd
,
6936 enum nl80211_attrs attr
,
6937 int vendor_event_idx
,
6938 int approxlen
, gfp_t gfp
)
6940 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
6941 const struct nl80211_vendor_cmd_info
*info
;
6944 case NL80211_CMD_TESTMODE
:
6945 if (WARN_ON(vendor_event_idx
!= -1))
6949 case NL80211_CMD_VENDOR
:
6950 if (WARN_ON(vendor_event_idx
< 0 ||
6951 vendor_event_idx
>= wiphy
->n_vendor_events
))
6953 info
= &wiphy
->vendor_events
[vendor_event_idx
];
6960 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
6961 cmd
, attr
, info
, gfp
);
6963 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
6965 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
6967 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6968 void *hdr
= ((void **)skb
->cb
)[1];
6969 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6970 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
6972 nla_nest_end(skb
, data
);
6973 genlmsg_end(skb
, hdr
);
6975 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
6976 mcgrp
= NL80211_MCGRP_VENDOR
;
6978 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
6981 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
6983 #ifdef CONFIG_NL80211_TESTMODE
6984 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6986 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6987 struct wireless_dev
*wdev
=
6988 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
6991 if (!rdev
->ops
->testmode_cmd
)
6995 err
= PTR_ERR(wdev
);
6999 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7003 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7006 rdev
->cur_cmd_info
= info
;
7007 err
= rdev_testmode_cmd(rdev
, wdev
,
7008 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7009 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7010 rdev
->cur_cmd_info
= NULL
;
7015 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7016 struct netlink_callback
*cb
)
7018 struct cfg80211_registered_device
*rdev
;
7028 * 0 is a valid index, but not valid for args[0],
7029 * so we need to offset by 1.
7031 phy_idx
= cb
->args
[0] - 1;
7033 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7034 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7039 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7040 nl80211_fam
.attrbuf
);
7042 err
= PTR_ERR(rdev
);
7045 phy_idx
= rdev
->wiphy_idx
;
7048 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7050 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7054 data
= nla_data((void *)cb
->args
[1]);
7055 data_len
= nla_len((void *)cb
->args
[1]);
7058 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7064 if (!rdev
->ops
->testmode_dump
) {
7070 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7071 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7072 NL80211_CMD_TESTMODE
);
7073 struct nlattr
*tmdata
;
7078 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7079 genlmsg_cancel(skb
, hdr
);
7083 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7085 genlmsg_cancel(skb
, hdr
);
7088 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7089 nla_nest_end(skb
, tmdata
);
7091 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7092 genlmsg_cancel(skb
, hdr
);
7095 genlmsg_cancel(skb
, hdr
);
7099 genlmsg_end(skb
, hdr
);
7104 cb
->args
[0] = phy_idx
+ 1;
7111 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7113 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7114 struct net_device
*dev
= info
->user_ptr
[1];
7115 struct cfg80211_connect_params connect
;
7116 struct wiphy
*wiphy
;
7117 struct cfg80211_cached_keys
*connkeys
= NULL
;
7120 memset(&connect
, 0, sizeof(connect
));
7122 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7125 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7126 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7129 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7131 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7132 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7133 NL80211_CMD_CONNECT
))
7136 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7138 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7140 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7141 NL80211_MAX_NR_CIPHER_SUITES
);
7145 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7146 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7149 wiphy
= &rdev
->wiphy
;
7151 connect
.bg_scan_period
= -1;
7152 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7153 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7154 connect
.bg_scan_period
=
7155 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7158 if (info
->attrs
[NL80211_ATTR_MAC
])
7159 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7160 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7161 connect
.bssid_hint
=
7162 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7163 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7164 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7166 if (info
->attrs
[NL80211_ATTR_IE
]) {
7167 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7168 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7171 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7172 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7173 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7174 connect
.mfp
!= NL80211_MFP_NO
)
7177 connect
.mfp
= NL80211_MFP_NO
;
7180 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7181 connect
.channel
= nl80211_get_valid_chan(
7182 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7183 if (!connect
.channel
)
7185 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7186 connect
.channel_hint
= nl80211_get_valid_chan(
7187 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7188 if (!connect
.channel_hint
)
7192 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7193 connkeys
= nl80211_parse_connkeys(rdev
,
7194 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7195 if (IS_ERR(connkeys
))
7196 return PTR_ERR(connkeys
);
7199 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7200 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7202 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7203 memcpy(&connect
.ht_capa_mask
,
7204 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7205 sizeof(connect
.ht_capa_mask
));
7207 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7208 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7212 memcpy(&connect
.ht_capa
,
7213 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7214 sizeof(connect
.ht_capa
));
7217 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7218 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7220 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7221 memcpy(&connect
.vht_capa_mask
,
7222 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7223 sizeof(connect
.vht_capa_mask
));
7225 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7226 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7230 memcpy(&connect
.vht_capa
,
7231 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7232 sizeof(connect
.vht_capa
));
7235 wdev_lock(dev
->ieee80211_ptr
);
7236 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7237 wdev_unlock(dev
->ieee80211_ptr
);
7243 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7245 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7246 struct net_device
*dev
= info
->user_ptr
[1];
7250 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7251 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7253 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7258 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7259 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7262 wdev_lock(dev
->ieee80211_ptr
);
7263 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7264 wdev_unlock(dev
->ieee80211_ptr
);
7268 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7270 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7275 if (!info
->attrs
[NL80211_ATTR_PID
])
7278 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7280 net
= get_net_ns_by_pid(pid
);
7282 return PTR_ERR(net
);
7286 /* check if anything to do */
7287 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7288 err
= cfg80211_switch_netns(rdev
, net
);
7294 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7296 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7297 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7298 struct cfg80211_pmksa
*pmksa
) = NULL
;
7299 struct net_device
*dev
= info
->user_ptr
[1];
7300 struct cfg80211_pmksa pmksa
;
7302 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7304 if (!info
->attrs
[NL80211_ATTR_MAC
])
7307 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7310 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7311 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7313 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7314 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7317 switch (info
->genlhdr
->cmd
) {
7318 case NL80211_CMD_SET_PMKSA
:
7319 rdev_ops
= rdev
->ops
->set_pmksa
;
7321 case NL80211_CMD_DEL_PMKSA
:
7322 rdev_ops
= rdev
->ops
->del_pmksa
;
7332 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7335 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7337 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7338 struct net_device
*dev
= info
->user_ptr
[1];
7340 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7341 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7344 if (!rdev
->ops
->flush_pmksa
)
7347 return rdev_flush_pmksa(rdev
, dev
);
7350 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7352 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7353 struct net_device
*dev
= info
->user_ptr
[1];
7354 u8 action_code
, dialog_token
;
7355 u32 peer_capability
= 0;
7360 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7361 !rdev
->ops
->tdls_mgmt
)
7364 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7365 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7366 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7367 !info
->attrs
[NL80211_ATTR_IE
] ||
7368 !info
->attrs
[NL80211_ATTR_MAC
])
7371 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7372 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7373 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7374 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7375 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7376 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7378 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7380 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7381 dialog_token
, status_code
, peer_capability
,
7383 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7384 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7387 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7389 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7390 struct net_device
*dev
= info
->user_ptr
[1];
7391 enum nl80211_tdls_operation operation
;
7394 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7395 !rdev
->ops
->tdls_oper
)
7398 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7399 !info
->attrs
[NL80211_ATTR_MAC
])
7402 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7403 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7405 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7408 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7409 struct genl_info
*info
)
7411 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7412 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7413 struct cfg80211_chan_def chandef
;
7414 struct sk_buff
*msg
;
7420 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7421 !info
->attrs
[NL80211_ATTR_DURATION
])
7424 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7426 if (!rdev
->ops
->remain_on_channel
||
7427 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7431 * We should be on that channel for at least a minimum amount of
7432 * time (10ms) but no longer than the driver supports.
7434 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7435 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7438 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7442 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7446 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7447 NL80211_CMD_REMAIN_ON_CHANNEL
);
7453 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7459 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7460 goto nla_put_failure
;
7462 genlmsg_end(msg
, hdr
);
7464 return genlmsg_reply(msg
, info
);
7473 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7474 struct genl_info
*info
)
7476 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7477 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7480 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7483 if (!rdev
->ops
->cancel_remain_on_channel
)
7486 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7488 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7491 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7492 u8
*rates
, u8 rates_len
)
7497 for (i
= 0; i
< rates_len
; i
++) {
7498 int rate
= (rates
[i
] & 0x7f) * 5;
7500 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7501 struct ieee80211_rate
*srate
=
7502 &sband
->bitrates
[ridx
];
7503 if (rate
== srate
->bitrate
) {
7508 if (ridx
== sband
->n_bitrates
)
7509 return 0; /* rate not found */
7515 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7516 u8
*rates
, u8 rates_len
,
7517 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7521 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7523 for (i
= 0; i
< rates_len
; i
++) {
7526 ridx
= rates
[i
] / 8;
7527 rbit
= BIT(rates
[i
] % 8);
7529 /* check validity */
7530 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7533 /* check availability */
7534 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7543 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7547 switch (vht_mcs_map
) {
7548 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7550 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7553 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7556 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7566 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7567 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7571 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7572 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7577 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7578 struct nl80211_txrate_vht
*txrate
,
7579 u16 mcs
[NL80211_VHT_NSS_MAX
])
7581 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7582 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7585 if (!sband
->vht_cap
.vht_supported
)
7588 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7590 /* Build vht_mcs_mask from VHT capabilities */
7591 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7593 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7594 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7595 mcs
[i
] = txrate
->mcs
[i
];
7603 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7604 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7605 .len
= NL80211_MAX_SUPP_RATES
},
7606 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7607 .len
= NL80211_MAX_SUPP_HT_RATES
},
7608 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7609 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
7612 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7613 struct genl_info
*info
)
7615 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7616 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7617 struct cfg80211_bitrate_mask mask
;
7619 struct net_device
*dev
= info
->user_ptr
[1];
7620 struct nlattr
*tx_rates
;
7621 struct ieee80211_supported_band
*sband
;
7624 if (!rdev
->ops
->set_bitrate_mask
)
7627 memset(&mask
, 0, sizeof(mask
));
7628 /* Default to all rates enabled */
7629 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7630 sband
= rdev
->wiphy
.bands
[i
];
7635 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7636 memcpy(mask
.control
[i
].ht_mcs
,
7637 sband
->ht_cap
.mcs
.rx_mask
,
7638 sizeof(mask
.control
[i
].ht_mcs
));
7640 if (!sband
->vht_cap
.vht_supported
)
7643 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7644 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7647 /* if no rates are given set it back to the defaults */
7648 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7652 * The nested attribute uses enum nl80211_band as the index. This maps
7653 * directly to the enum ieee80211_band values used in cfg80211.
7655 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7656 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
7657 enum ieee80211_band band
= nla_type(tx_rates
);
7660 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7662 sband
= rdev
->wiphy
.bands
[band
];
7665 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7666 nla_len(tx_rates
), nl80211_txattr_policy
);
7669 if (tb
[NL80211_TXRATE_LEGACY
]) {
7670 mask
.control
[band
].legacy
= rateset_to_mask(
7672 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7673 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7674 if ((mask
.control
[band
].legacy
== 0) &&
7675 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7678 if (tb
[NL80211_TXRATE_HT
]) {
7679 if (!ht_rateset_to_mask(
7681 nla_data(tb
[NL80211_TXRATE_HT
]),
7682 nla_len(tb
[NL80211_TXRATE_HT
]),
7683 mask
.control
[band
].ht_mcs
))
7686 if (tb
[NL80211_TXRATE_VHT
]) {
7687 if (!vht_set_mcs_mask(
7689 nla_data(tb
[NL80211_TXRATE_VHT
]),
7690 mask
.control
[band
].vht_mcs
))
7693 if (tb
[NL80211_TXRATE_GI
]) {
7694 mask
.control
[band
].gi
=
7695 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
7696 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
7700 if (mask
.control
[band
].legacy
== 0) {
7701 /* don't allow empty legacy rates if HT or VHT
7702 * are not even supported.
7704 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
7705 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
7708 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7709 if (mask
.control
[band
].ht_mcs
[i
])
7712 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
7713 if (mask
.control
[band
].vht_mcs
[i
])
7716 /* legacy and mcs rates may not be both empty */
7722 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7725 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7727 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7728 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7729 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7731 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7734 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7735 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7737 switch (wdev
->iftype
) {
7738 case NL80211_IFTYPE_STATION
:
7739 case NL80211_IFTYPE_ADHOC
:
7740 case NL80211_IFTYPE_P2P_CLIENT
:
7741 case NL80211_IFTYPE_AP
:
7742 case NL80211_IFTYPE_AP_VLAN
:
7743 case NL80211_IFTYPE_MESH_POINT
:
7744 case NL80211_IFTYPE_P2P_GO
:
7745 case NL80211_IFTYPE_P2P_DEVICE
:
7751 /* not much point in registering if we can't reply */
7752 if (!rdev
->ops
->mgmt_tx
)
7755 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7756 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7757 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7760 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7762 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7763 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7764 struct cfg80211_chan_def chandef
;
7768 struct sk_buff
*msg
= NULL
;
7769 struct cfg80211_mgmt_tx_params params
= {
7770 .dont_wait_for_ack
=
7771 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7774 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7777 if (!rdev
->ops
->mgmt_tx
)
7780 switch (wdev
->iftype
) {
7781 case NL80211_IFTYPE_P2P_DEVICE
:
7782 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7784 case NL80211_IFTYPE_STATION
:
7785 case NL80211_IFTYPE_ADHOC
:
7786 case NL80211_IFTYPE_P2P_CLIENT
:
7787 case NL80211_IFTYPE_AP
:
7788 case NL80211_IFTYPE_AP_VLAN
:
7789 case NL80211_IFTYPE_MESH_POINT
:
7790 case NL80211_IFTYPE_P2P_GO
:
7796 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7797 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7799 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7802 * We should wait on the channel for at least a minimum amount
7803 * of time (10ms) but no longer than the driver supports.
7805 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7806 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7811 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7813 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7816 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7818 /* get the channel if any has been specified, otherwise pass NULL to
7819 * the driver. The latter will use the current one
7821 chandef
.chan
= NULL
;
7822 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7823 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7828 if (!chandef
.chan
&& params
.offchan
)
7831 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
7832 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
7834 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
7835 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
7838 if (len
% sizeof(u16
))
7841 params
.n_csa_offsets
= len
/ sizeof(u16
);
7842 params
.csa_offsets
=
7843 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
7845 /* check that all the offsets fit the frame */
7846 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
7847 if (params
.csa_offsets
[i
] >= params
.len
)
7852 if (!params
.dont_wait_for_ack
) {
7853 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7857 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7865 params
.chan
= chandef
.chan
;
7866 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
7871 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7872 goto nla_put_failure
;
7874 genlmsg_end(msg
, hdr
);
7875 return genlmsg_reply(msg
, info
);
7887 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7889 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7890 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7893 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7896 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7899 switch (wdev
->iftype
) {
7900 case NL80211_IFTYPE_STATION
:
7901 case NL80211_IFTYPE_ADHOC
:
7902 case NL80211_IFTYPE_P2P_CLIENT
:
7903 case NL80211_IFTYPE_AP
:
7904 case NL80211_IFTYPE_AP_VLAN
:
7905 case NL80211_IFTYPE_P2P_GO
:
7906 case NL80211_IFTYPE_P2P_DEVICE
:
7912 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7914 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7917 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7919 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7920 struct wireless_dev
*wdev
;
7921 struct net_device
*dev
= info
->user_ptr
[1];
7926 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7929 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7931 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7934 wdev
= dev
->ieee80211_ptr
;
7936 if (!rdev
->ops
->set_power_mgmt
)
7939 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7941 if (state
== wdev
->ps
)
7944 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7950 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7952 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7953 enum nl80211_ps_state ps_state
;
7954 struct wireless_dev
*wdev
;
7955 struct net_device
*dev
= info
->user_ptr
[1];
7956 struct sk_buff
*msg
;
7960 wdev
= dev
->ieee80211_ptr
;
7962 if (!rdev
->ops
->set_power_mgmt
)
7965 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7969 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7970 NL80211_CMD_GET_POWER_SAVE
);
7977 ps_state
= NL80211_PS_ENABLED
;
7979 ps_state
= NL80211_PS_DISABLED
;
7981 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7982 goto nla_put_failure
;
7984 genlmsg_end(msg
, hdr
);
7985 return genlmsg_reply(msg
, info
);
7994 static const struct nla_policy
7995 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
7996 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
7997 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
7998 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
7999 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8000 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8001 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8004 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8005 u32 rate
, u32 pkts
, u32 intvl
)
8007 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8008 struct net_device
*dev
= info
->user_ptr
[1];
8009 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8011 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8014 if (!rdev
->ops
->set_cqm_txe_config
)
8017 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8018 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8021 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8024 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8025 s32 threshold
, u32 hysteresis
)
8027 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8028 struct net_device
*dev
= info
->user_ptr
[1];
8029 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8034 /* disabling - hysteresis should also be zero then */
8038 if (!rdev
->ops
->set_cqm_rssi_config
)
8041 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8042 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8045 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8048 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8050 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8054 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8058 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8059 nl80211_attr_cqm_policy
);
8063 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8064 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8065 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8066 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8068 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8071 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8072 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8073 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8074 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8075 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8076 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8078 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8084 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8086 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8087 struct net_device
*dev
= info
->user_ptr
[1];
8088 struct mesh_config cfg
;
8089 struct mesh_setup setup
;
8092 /* start with default */
8093 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8094 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8096 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8097 /* and parse parameters if given */
8098 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8103 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8104 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8107 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8108 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8110 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8111 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8112 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8115 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8116 setup
.beacon_interval
=
8117 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8118 if (setup
.beacon_interval
< 10 ||
8119 setup
.beacon_interval
> 10000)
8123 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8125 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8126 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8130 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8131 /* parse additional setup parameters if given */
8132 err
= nl80211_parse_mesh_setup(info
, &setup
);
8138 cfg
.auto_open_plinks
= false;
8140 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8141 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8145 /* cfg80211_join_mesh() will sort it out */
8146 setup
.chandef
.chan
= NULL
;
8149 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8150 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8152 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8153 struct ieee80211_supported_band
*sband
;
8155 if (!setup
.chandef
.chan
)
8158 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8160 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8161 &setup
.basic_rates
);
8166 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8169 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8171 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8172 struct net_device
*dev
= info
->user_ptr
[1];
8174 return cfg80211_leave_mesh(rdev
, dev
);
8178 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8179 struct cfg80211_registered_device
*rdev
)
8181 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8182 struct nlattr
*nl_pats
, *nl_pat
;
8185 if (!wowlan
->n_patterns
)
8188 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8192 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8193 nl_pat
= nla_nest_start(msg
, i
+ 1);
8196 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8197 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8198 wowlan
->patterns
[i
].mask
) ||
8199 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8200 wowlan
->patterns
[i
].pattern
) ||
8201 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8202 wowlan
->patterns
[i
].pkt_offset
))
8204 nla_nest_end(msg
, nl_pat
);
8206 nla_nest_end(msg
, nl_pats
);
8211 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8212 struct cfg80211_wowlan_tcp
*tcp
)
8214 struct nlattr
*nl_tcp
;
8219 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8223 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8224 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8225 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8226 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8227 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8228 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8229 tcp
->payload_len
, tcp
->payload
) ||
8230 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8231 tcp
->data_interval
) ||
8232 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8233 tcp
->wake_len
, tcp
->wake_data
) ||
8234 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8235 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8238 if (tcp
->payload_seq
.len
&&
8239 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8240 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8243 if (tcp
->payload_tok
.len
&&
8244 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8245 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8249 nla_nest_end(msg
, nl_tcp
);
8254 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8256 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8257 struct sk_buff
*msg
;
8259 u32 size
= NLMSG_DEFAULT_SIZE
;
8261 if (!rdev
->wiphy
.wowlan
)
8264 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8265 /* adjust size to have room for all the data */
8266 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8267 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8268 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8269 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8272 msg
= nlmsg_new(size
, GFP_KERNEL
);
8276 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8277 NL80211_CMD_GET_WOWLAN
);
8279 goto nla_put_failure
;
8281 if (rdev
->wiphy
.wowlan_config
) {
8282 struct nlattr
*nl_wowlan
;
8284 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8286 goto nla_put_failure
;
8288 if ((rdev
->wiphy
.wowlan_config
->any
&&
8289 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8290 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8291 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8292 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8293 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8294 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8295 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8296 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8297 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8298 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8299 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8300 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8301 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8302 goto nla_put_failure
;
8304 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8305 goto nla_put_failure
;
8307 if (nl80211_send_wowlan_tcp(msg
,
8308 rdev
->wiphy
.wowlan_config
->tcp
))
8309 goto nla_put_failure
;
8311 nla_nest_end(msg
, nl_wowlan
);
8314 genlmsg_end(msg
, hdr
);
8315 return genlmsg_reply(msg
, info
);
8322 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8323 struct nlattr
*attr
,
8324 struct cfg80211_wowlan
*trig
)
8326 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8327 struct cfg80211_wowlan_tcp
*cfg
;
8328 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8329 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8331 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8334 if (!rdev
->wiphy
.wowlan
->tcp
)
8337 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8338 nla_data(attr
), nla_len(attr
),
8339 nl80211_wowlan_tcp_policy
);
8343 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8344 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8345 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8346 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8347 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8348 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8349 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8350 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8353 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8354 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8357 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8358 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8359 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8362 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8363 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8366 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8367 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8370 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8371 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8373 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8374 tokens_size
= tokln
- sizeof(*tok
);
8376 if (!tok
->len
|| tokens_size
% tok
->len
)
8378 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8380 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8382 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8384 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8386 if (tok
->offset
+ tok
->len
> data_size
)
8390 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8391 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8392 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8394 if (seq
->len
== 0 || seq
->len
> 4)
8396 if (seq
->len
+ seq
->offset
> data_size
)
8400 size
= sizeof(*cfg
);
8402 size
+= wake_size
+ wake_mask_size
;
8403 size
+= tokens_size
;
8405 cfg
= kzalloc(size
, GFP_KERNEL
);
8408 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8409 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8410 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8412 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8413 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8417 /* allocate a socket and port for it and use it */
8418 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8419 IPPROTO_TCP
, &cfg
->sock
, 1);
8424 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8425 sock_release(cfg
->sock
);
8429 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8435 cfg
->src_port
= port
;
8438 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8439 cfg
->payload_len
= data_size
;
8440 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8441 memcpy((void *)cfg
->payload
,
8442 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8445 cfg
->payload_seq
= *seq
;
8446 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8447 cfg
->wake_len
= wake_size
;
8448 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8449 memcpy((void *)cfg
->wake_data
,
8450 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8452 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8453 data_size
+ wake_size
;
8454 memcpy((void *)cfg
->wake_mask
,
8455 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8458 cfg
->tokens_size
= tokens_size
;
8459 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8467 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8469 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8470 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8471 struct cfg80211_wowlan new_triggers
= {};
8472 struct cfg80211_wowlan
*ntrig
;
8473 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8475 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8480 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8481 cfg80211_rdev_free_wowlan(rdev
);
8482 rdev
->wiphy
.wowlan_config
= NULL
;
8486 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8487 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8488 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8489 nl80211_wowlan_policy
);
8493 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8494 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8496 new_triggers
.any
= true;
8499 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8500 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8502 new_triggers
.disconnect
= true;
8505 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8506 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8508 new_triggers
.magic_pkt
= true;
8511 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8514 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8515 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8517 new_triggers
.gtk_rekey_failure
= true;
8520 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8521 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8523 new_triggers
.eap_identity_req
= true;
8526 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8527 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8529 new_triggers
.four_way_handshake
= true;
8532 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8533 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8535 new_triggers
.rfkill_release
= true;
8538 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8541 int rem
, pat_len
, mask_len
, pkt_offset
;
8542 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8544 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8547 if (n_patterns
> wowlan
->n_patterns
)
8550 new_triggers
.patterns
= kcalloc(n_patterns
,
8551 sizeof(new_triggers
.patterns
[0]),
8553 if (!new_triggers
.patterns
)
8556 new_triggers
.n_patterns
= n_patterns
;
8559 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8563 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8564 nla_len(pat
), NULL
);
8566 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8567 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8569 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8570 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8571 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8573 if (pat_len
> wowlan
->pattern_max_len
||
8574 pat_len
< wowlan
->pattern_min_len
)
8577 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8580 pkt_offset
= nla_get_u32(
8581 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8582 if (pkt_offset
> wowlan
->max_pkt_offset
)
8584 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8586 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8591 new_triggers
.patterns
[i
].mask
= mask_pat
;
8592 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8594 mask_pat
+= mask_len
;
8595 new_triggers
.patterns
[i
].pattern
= mask_pat
;
8596 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8598 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8604 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8605 err
= nl80211_parse_wowlan_tcp(
8606 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8612 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8617 cfg80211_rdev_free_wowlan(rdev
);
8618 rdev
->wiphy
.wowlan_config
= ntrig
;
8621 if (rdev
->ops
->set_wakeup
&&
8622 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8623 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8627 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8628 kfree(new_triggers
.patterns
[i
].mask
);
8629 kfree(new_triggers
.patterns
);
8630 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8631 sock_release(new_triggers
.tcp
->sock
);
8632 kfree(new_triggers
.tcp
);
8637 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8638 struct cfg80211_registered_device
*rdev
)
8640 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8642 struct cfg80211_coalesce_rules
*rule
;
8644 if (!rdev
->coalesce
->n_rules
)
8647 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8651 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8652 nl_rule
= nla_nest_start(msg
, i
+ 1);
8656 rule
= &rdev
->coalesce
->rules
[i
];
8657 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8661 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8665 nl_pats
= nla_nest_start(msg
,
8666 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8670 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8671 nl_pat
= nla_nest_start(msg
, j
+ 1);
8674 pat_len
= rule
->patterns
[j
].pattern_len
;
8675 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8676 DIV_ROUND_UP(pat_len
, 8),
8677 rule
->patterns
[j
].mask
) ||
8678 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8679 rule
->patterns
[j
].pattern
) ||
8680 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8681 rule
->patterns
[j
].pkt_offset
))
8683 nla_nest_end(msg
, nl_pat
);
8685 nla_nest_end(msg
, nl_pats
);
8686 nla_nest_end(msg
, nl_rule
);
8688 nla_nest_end(msg
, nl_rules
);
8693 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8695 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8696 struct sk_buff
*msg
;
8699 if (!rdev
->wiphy
.coalesce
)
8702 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8706 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8707 NL80211_CMD_GET_COALESCE
);
8709 goto nla_put_failure
;
8711 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8712 goto nla_put_failure
;
8714 genlmsg_end(msg
, hdr
);
8715 return genlmsg_reply(msg
, info
);
8722 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8724 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8726 struct cfg80211_coalesce_rules
*rule
;
8731 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8732 rule
= &coalesce
->rules
[i
];
8733 for (j
= 0; j
< rule
->n_patterns
; j
++)
8734 kfree(rule
->patterns
[j
].mask
);
8735 kfree(rule
->patterns
);
8737 kfree(coalesce
->rules
);
8739 rdev
->coalesce
= NULL
;
8742 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8743 struct nlattr
*rule
,
8744 struct cfg80211_coalesce_rules
*new_rule
)
8747 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8748 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8749 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8750 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8752 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8753 nla_len(rule
), nl80211_coalesce_policy
);
8757 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8759 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8760 if (new_rule
->delay
> coalesce
->max_delay
)
8763 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8764 new_rule
->condition
=
8765 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8766 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8767 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8770 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8773 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8776 if (n_patterns
> coalesce
->n_patterns
)
8779 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8781 if (!new_rule
->patterns
)
8784 new_rule
->n_patterns
= n_patterns
;
8787 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8791 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8792 nla_len(pat
), NULL
);
8793 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8794 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8796 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8797 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8798 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8800 if (pat_len
> coalesce
->pattern_max_len
||
8801 pat_len
< coalesce
->pattern_min_len
)
8804 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8807 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8808 if (pkt_offset
> coalesce
->max_pkt_offset
)
8810 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8812 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8816 new_rule
->patterns
[i
].mask
= mask_pat
;
8817 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8820 mask_pat
+= mask_len
;
8821 new_rule
->patterns
[i
].pattern
= mask_pat
;
8822 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8823 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8831 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8833 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8834 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8835 struct cfg80211_coalesce new_coalesce
= {};
8836 struct cfg80211_coalesce
*n_coalesce
;
8837 int err
, rem_rule
, n_rules
= 0, i
, j
;
8838 struct nlattr
*rule
;
8839 struct cfg80211_coalesce_rules
*tmp_rule
;
8841 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8844 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8845 cfg80211_rdev_free_coalesce(rdev
);
8846 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8850 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8853 if (n_rules
> coalesce
->n_rules
)
8856 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8858 if (!new_coalesce
.rules
)
8861 new_coalesce
.n_rules
= n_rules
;
8864 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8866 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8867 &new_coalesce
.rules
[i
]);
8874 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8878 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8883 cfg80211_rdev_free_coalesce(rdev
);
8884 rdev
->coalesce
= n_coalesce
;
8888 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8889 tmp_rule
= &new_coalesce
.rules
[i
];
8890 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8891 kfree(tmp_rule
->patterns
[j
].mask
);
8892 kfree(tmp_rule
->patterns
);
8894 kfree(new_coalesce
.rules
);
8899 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8901 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8902 struct net_device
*dev
= info
->user_ptr
[1];
8903 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8904 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8905 struct cfg80211_gtk_rekey_data rekey_data
;
8908 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8911 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8912 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8913 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8914 nl80211_rekey_policy
);
8918 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8920 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8922 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8925 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8927 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8929 memcpy(rekey_data
.replay_ctr
,
8930 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8931 NL80211_REPLAY_CTR_LEN
);
8934 if (!wdev
->current_bss
) {
8939 if (!rdev
->ops
->set_rekey_data
) {
8944 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8950 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8951 struct genl_info
*info
)
8953 struct net_device
*dev
= info
->user_ptr
[1];
8954 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8956 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8957 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8960 if (wdev
->ap_unexpected_nlportid
)
8963 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8967 static int nl80211_probe_client(struct sk_buff
*skb
,
8968 struct genl_info
*info
)
8970 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8971 struct net_device
*dev
= info
->user_ptr
[1];
8972 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8973 struct sk_buff
*msg
;
8979 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8980 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8983 if (!info
->attrs
[NL80211_ATTR_MAC
])
8986 if (!rdev
->ops
->probe_client
)
8989 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8993 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8994 NL80211_CMD_PROBE_CLIENT
);
9000 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9002 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9006 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9007 goto nla_put_failure
;
9009 genlmsg_end(msg
, hdr
);
9011 return genlmsg_reply(msg
, info
);
9020 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9022 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9023 struct cfg80211_beacon_registration
*reg
, *nreg
;
9026 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9029 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9033 /* First, check if already registered. */
9034 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9035 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9036 if (reg
->nlportid
== info
->snd_portid
) {
9041 /* Add it to the list */
9042 nreg
->nlportid
= info
->snd_portid
;
9043 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9045 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9049 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9054 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9056 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9057 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9060 if (!rdev
->ops
->start_p2p_device
)
9063 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9066 if (wdev
->p2p_started
)
9069 if (rfkill_blocked(rdev
->rfkill
))
9072 err
= rdev_start_p2p_device(rdev
, wdev
);
9076 wdev
->p2p_started
= true;
9082 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9084 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9085 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9087 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9090 if (!rdev
->ops
->stop_p2p_device
)
9093 cfg80211_stop_p2p_device(rdev
, wdev
);
9098 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9099 struct genl_info
*info
)
9102 struct sk_buff
*msg
;
9104 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9108 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9109 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9111 goto nla_put_failure
;
9113 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9114 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9115 goto nla_put_failure
;
9117 genlmsg_end(msg
, hdr
);
9118 return genlmsg_reply(msg
, info
);
9125 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9127 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9128 struct cfg80211_update_ft_ies_params ft_params
;
9129 struct net_device
*dev
= info
->user_ptr
[1];
9131 if (!rdev
->ops
->update_ft_ies
)
9134 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9135 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9138 memset(&ft_params
, 0, sizeof(ft_params
));
9139 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9140 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9141 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9143 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9146 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9147 struct genl_info
*info
)
9149 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9150 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9151 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9155 if (!rdev
->ops
->crit_proto_start
)
9158 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9161 if (rdev
->crit_proto_nlportid
)
9164 /* determine protocol if provided */
9165 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9166 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9168 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9171 /* timeout must be provided */
9172 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9176 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9178 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9181 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9183 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9188 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9189 struct genl_info
*info
)
9191 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9192 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9194 if (!rdev
->ops
->crit_proto_stop
)
9197 if (rdev
->crit_proto_nlportid
) {
9198 rdev
->crit_proto_nlportid
= 0;
9199 rdev_crit_proto_stop(rdev
, wdev
);
9204 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9206 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9207 struct wireless_dev
*wdev
=
9208 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9212 if (!rdev
->wiphy
.vendor_commands
)
9216 err
= PTR_ERR(wdev
);
9220 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9224 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9225 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9228 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9229 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9230 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9231 const struct wiphy_vendor_command
*vcmd
;
9235 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9237 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9240 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9241 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9244 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9248 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9250 !netif_running(wdev
->netdev
))
9252 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9259 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9260 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9261 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9264 rdev
->cur_cmd_info
= info
;
9265 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9267 rdev
->cur_cmd_info
= NULL
;
9274 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9275 enum nl80211_commands cmd
,
9276 enum nl80211_attrs attr
,
9279 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9281 if (WARN_ON(!rdev
->cur_cmd_info
))
9284 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9285 rdev
->cur_cmd_info
->snd_portid
,
9286 rdev
->cur_cmd_info
->snd_seq
,
9287 cmd
, attr
, NULL
, GFP_KERNEL
);
9289 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9291 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9293 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9294 void *hdr
= ((void **)skb
->cb
)[1];
9295 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9297 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9302 nla_nest_end(skb
, data
);
9303 genlmsg_end(skb
, hdr
);
9304 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9306 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9309 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9310 struct genl_info
*info
)
9312 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9313 struct cfg80211_qos_map
*qos_map
= NULL
;
9314 struct net_device
*dev
= info
->user_ptr
[1];
9315 u8
*pos
, len
, num_des
, des_len
, des
;
9318 if (!rdev
->ops
->set_qos_map
)
9321 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9322 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9323 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9325 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9326 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9329 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9333 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9336 sizeof(struct cfg80211_dscp_exception
);
9337 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9338 qos_map
->num_des
= num_des
;
9339 for (des
= 0; des
< num_des
; des
++) {
9340 if (qos_map
->dscp_exception
[des
].up
> 7) {
9347 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9350 wdev_lock(dev
->ieee80211_ptr
);
9351 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9353 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9354 wdev_unlock(dev
->ieee80211_ptr
);
9360 #define NL80211_FLAG_NEED_WIPHY 0x01
9361 #define NL80211_FLAG_NEED_NETDEV 0x02
9362 #define NL80211_FLAG_NEED_RTNL 0x04
9363 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9364 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9365 NL80211_FLAG_CHECK_NETDEV_UP)
9366 #define NL80211_FLAG_NEED_WDEV 0x10
9367 /* If a netdev is associated, it must be UP, P2P must be started */
9368 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9369 NL80211_FLAG_CHECK_NETDEV_UP)
9371 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9372 struct genl_info
*info
)
9374 struct cfg80211_registered_device
*rdev
;
9375 struct wireless_dev
*wdev
;
9376 struct net_device
*dev
;
9377 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9382 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9383 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9387 return PTR_ERR(rdev
);
9389 info
->user_ptr
[0] = rdev
;
9390 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9391 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9394 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9399 return PTR_ERR(wdev
);
9403 rdev
= wiphy_to_rdev(wdev
->wiphy
);
9405 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9412 info
->user_ptr
[1] = dev
;
9414 info
->user_ptr
[1] = wdev
;
9418 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9419 !netif_running(dev
)) {
9426 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9427 if (!wdev
->p2p_started
) {
9434 info
->user_ptr
[0] = rdev
;
9440 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9441 struct genl_info
*info
)
9443 if (info
->user_ptr
[1]) {
9444 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9445 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9448 dev_put(wdev
->netdev
);
9450 dev_put(info
->user_ptr
[1]);
9453 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9457 static const struct genl_ops nl80211_ops
[] = {
9459 .cmd
= NL80211_CMD_GET_WIPHY
,
9460 .doit
= nl80211_get_wiphy
,
9461 .dumpit
= nl80211_dump_wiphy
,
9462 .done
= nl80211_dump_wiphy_done
,
9463 .policy
= nl80211_policy
,
9464 /* can be retrieved by unprivileged users */
9465 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9466 NL80211_FLAG_NEED_RTNL
,
9469 .cmd
= NL80211_CMD_SET_WIPHY
,
9470 .doit
= nl80211_set_wiphy
,
9471 .policy
= nl80211_policy
,
9472 .flags
= GENL_ADMIN_PERM
,
9473 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9476 .cmd
= NL80211_CMD_GET_INTERFACE
,
9477 .doit
= nl80211_get_interface
,
9478 .dumpit
= nl80211_dump_interface
,
9479 .policy
= nl80211_policy
,
9480 /* can be retrieved by unprivileged users */
9481 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9482 NL80211_FLAG_NEED_RTNL
,
9485 .cmd
= NL80211_CMD_SET_INTERFACE
,
9486 .doit
= nl80211_set_interface
,
9487 .policy
= nl80211_policy
,
9488 .flags
= GENL_ADMIN_PERM
,
9489 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9490 NL80211_FLAG_NEED_RTNL
,
9493 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9494 .doit
= nl80211_new_interface
,
9495 .policy
= nl80211_policy
,
9496 .flags
= GENL_ADMIN_PERM
,
9497 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9498 NL80211_FLAG_NEED_RTNL
,
9501 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9502 .doit
= nl80211_del_interface
,
9503 .policy
= nl80211_policy
,
9504 .flags
= GENL_ADMIN_PERM
,
9505 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9506 NL80211_FLAG_NEED_RTNL
,
9509 .cmd
= NL80211_CMD_GET_KEY
,
9510 .doit
= nl80211_get_key
,
9511 .policy
= nl80211_policy
,
9512 .flags
= GENL_ADMIN_PERM
,
9513 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9514 NL80211_FLAG_NEED_RTNL
,
9517 .cmd
= NL80211_CMD_SET_KEY
,
9518 .doit
= nl80211_set_key
,
9519 .policy
= nl80211_policy
,
9520 .flags
= GENL_ADMIN_PERM
,
9521 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9522 NL80211_FLAG_NEED_RTNL
,
9525 .cmd
= NL80211_CMD_NEW_KEY
,
9526 .doit
= nl80211_new_key
,
9527 .policy
= nl80211_policy
,
9528 .flags
= GENL_ADMIN_PERM
,
9529 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9530 NL80211_FLAG_NEED_RTNL
,
9533 .cmd
= NL80211_CMD_DEL_KEY
,
9534 .doit
= nl80211_del_key
,
9535 .policy
= nl80211_policy
,
9536 .flags
= GENL_ADMIN_PERM
,
9537 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9538 NL80211_FLAG_NEED_RTNL
,
9541 .cmd
= NL80211_CMD_SET_BEACON
,
9542 .policy
= nl80211_policy
,
9543 .flags
= GENL_ADMIN_PERM
,
9544 .doit
= nl80211_set_beacon
,
9545 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9546 NL80211_FLAG_NEED_RTNL
,
9549 .cmd
= NL80211_CMD_START_AP
,
9550 .policy
= nl80211_policy
,
9551 .flags
= GENL_ADMIN_PERM
,
9552 .doit
= nl80211_start_ap
,
9553 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9554 NL80211_FLAG_NEED_RTNL
,
9557 .cmd
= NL80211_CMD_STOP_AP
,
9558 .policy
= nl80211_policy
,
9559 .flags
= GENL_ADMIN_PERM
,
9560 .doit
= nl80211_stop_ap
,
9561 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9562 NL80211_FLAG_NEED_RTNL
,
9565 .cmd
= NL80211_CMD_GET_STATION
,
9566 .doit
= nl80211_get_station
,
9567 .dumpit
= nl80211_dump_station
,
9568 .policy
= nl80211_policy
,
9569 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9570 NL80211_FLAG_NEED_RTNL
,
9573 .cmd
= NL80211_CMD_SET_STATION
,
9574 .doit
= nl80211_set_station
,
9575 .policy
= nl80211_policy
,
9576 .flags
= GENL_ADMIN_PERM
,
9577 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9578 NL80211_FLAG_NEED_RTNL
,
9581 .cmd
= NL80211_CMD_NEW_STATION
,
9582 .doit
= nl80211_new_station
,
9583 .policy
= nl80211_policy
,
9584 .flags
= GENL_ADMIN_PERM
,
9585 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9586 NL80211_FLAG_NEED_RTNL
,
9589 .cmd
= NL80211_CMD_DEL_STATION
,
9590 .doit
= nl80211_del_station
,
9591 .policy
= nl80211_policy
,
9592 .flags
= GENL_ADMIN_PERM
,
9593 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9594 NL80211_FLAG_NEED_RTNL
,
9597 .cmd
= NL80211_CMD_GET_MPATH
,
9598 .doit
= nl80211_get_mpath
,
9599 .dumpit
= nl80211_dump_mpath
,
9600 .policy
= nl80211_policy
,
9601 .flags
= GENL_ADMIN_PERM
,
9602 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9603 NL80211_FLAG_NEED_RTNL
,
9606 .cmd
= NL80211_CMD_SET_MPATH
,
9607 .doit
= nl80211_set_mpath
,
9608 .policy
= nl80211_policy
,
9609 .flags
= GENL_ADMIN_PERM
,
9610 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9611 NL80211_FLAG_NEED_RTNL
,
9614 .cmd
= NL80211_CMD_NEW_MPATH
,
9615 .doit
= nl80211_new_mpath
,
9616 .policy
= nl80211_policy
,
9617 .flags
= GENL_ADMIN_PERM
,
9618 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9619 NL80211_FLAG_NEED_RTNL
,
9622 .cmd
= NL80211_CMD_DEL_MPATH
,
9623 .doit
= nl80211_del_mpath
,
9624 .policy
= nl80211_policy
,
9625 .flags
= GENL_ADMIN_PERM
,
9626 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9627 NL80211_FLAG_NEED_RTNL
,
9630 .cmd
= NL80211_CMD_SET_BSS
,
9631 .doit
= nl80211_set_bss
,
9632 .policy
= nl80211_policy
,
9633 .flags
= GENL_ADMIN_PERM
,
9634 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9635 NL80211_FLAG_NEED_RTNL
,
9638 .cmd
= NL80211_CMD_GET_REG
,
9639 .doit
= nl80211_get_reg
,
9640 .policy
= nl80211_policy
,
9641 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9642 /* can be retrieved by unprivileged users */
9645 .cmd
= NL80211_CMD_SET_REG
,
9646 .doit
= nl80211_set_reg
,
9647 .policy
= nl80211_policy
,
9648 .flags
= GENL_ADMIN_PERM
,
9649 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9652 .cmd
= NL80211_CMD_REQ_SET_REG
,
9653 .doit
= nl80211_req_set_reg
,
9654 .policy
= nl80211_policy
,
9655 .flags
= GENL_ADMIN_PERM
,
9658 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9659 .doit
= nl80211_get_mesh_config
,
9660 .policy
= nl80211_policy
,
9661 /* can be retrieved by unprivileged users */
9662 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9663 NL80211_FLAG_NEED_RTNL
,
9666 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9667 .doit
= nl80211_update_mesh_config
,
9668 .policy
= nl80211_policy
,
9669 .flags
= GENL_ADMIN_PERM
,
9670 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9671 NL80211_FLAG_NEED_RTNL
,
9674 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9675 .doit
= nl80211_trigger_scan
,
9676 .policy
= nl80211_policy
,
9677 .flags
= GENL_ADMIN_PERM
,
9678 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9679 NL80211_FLAG_NEED_RTNL
,
9682 .cmd
= NL80211_CMD_GET_SCAN
,
9683 .policy
= nl80211_policy
,
9684 .dumpit
= nl80211_dump_scan
,
9687 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9688 .doit
= nl80211_start_sched_scan
,
9689 .policy
= nl80211_policy
,
9690 .flags
= GENL_ADMIN_PERM
,
9691 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9692 NL80211_FLAG_NEED_RTNL
,
9695 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9696 .doit
= nl80211_stop_sched_scan
,
9697 .policy
= nl80211_policy
,
9698 .flags
= GENL_ADMIN_PERM
,
9699 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9700 NL80211_FLAG_NEED_RTNL
,
9703 .cmd
= NL80211_CMD_AUTHENTICATE
,
9704 .doit
= nl80211_authenticate
,
9705 .policy
= nl80211_policy
,
9706 .flags
= GENL_ADMIN_PERM
,
9707 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9708 NL80211_FLAG_NEED_RTNL
,
9711 .cmd
= NL80211_CMD_ASSOCIATE
,
9712 .doit
= nl80211_associate
,
9713 .policy
= nl80211_policy
,
9714 .flags
= GENL_ADMIN_PERM
,
9715 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9716 NL80211_FLAG_NEED_RTNL
,
9719 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9720 .doit
= nl80211_deauthenticate
,
9721 .policy
= nl80211_policy
,
9722 .flags
= GENL_ADMIN_PERM
,
9723 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9724 NL80211_FLAG_NEED_RTNL
,
9727 .cmd
= NL80211_CMD_DISASSOCIATE
,
9728 .doit
= nl80211_disassociate
,
9729 .policy
= nl80211_policy
,
9730 .flags
= GENL_ADMIN_PERM
,
9731 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9732 NL80211_FLAG_NEED_RTNL
,
9735 .cmd
= NL80211_CMD_JOIN_IBSS
,
9736 .doit
= nl80211_join_ibss
,
9737 .policy
= nl80211_policy
,
9738 .flags
= GENL_ADMIN_PERM
,
9739 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9740 NL80211_FLAG_NEED_RTNL
,
9743 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9744 .doit
= nl80211_leave_ibss
,
9745 .policy
= nl80211_policy
,
9746 .flags
= GENL_ADMIN_PERM
,
9747 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9748 NL80211_FLAG_NEED_RTNL
,
9750 #ifdef CONFIG_NL80211_TESTMODE
9752 .cmd
= NL80211_CMD_TESTMODE
,
9753 .doit
= nl80211_testmode_do
,
9754 .dumpit
= nl80211_testmode_dump
,
9755 .policy
= nl80211_policy
,
9756 .flags
= GENL_ADMIN_PERM
,
9757 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9758 NL80211_FLAG_NEED_RTNL
,
9762 .cmd
= NL80211_CMD_CONNECT
,
9763 .doit
= nl80211_connect
,
9764 .policy
= nl80211_policy
,
9765 .flags
= GENL_ADMIN_PERM
,
9766 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9767 NL80211_FLAG_NEED_RTNL
,
9770 .cmd
= NL80211_CMD_DISCONNECT
,
9771 .doit
= nl80211_disconnect
,
9772 .policy
= nl80211_policy
,
9773 .flags
= GENL_ADMIN_PERM
,
9774 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9775 NL80211_FLAG_NEED_RTNL
,
9778 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9779 .doit
= nl80211_wiphy_netns
,
9780 .policy
= nl80211_policy
,
9781 .flags
= GENL_ADMIN_PERM
,
9782 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9783 NL80211_FLAG_NEED_RTNL
,
9786 .cmd
= NL80211_CMD_GET_SURVEY
,
9787 .policy
= nl80211_policy
,
9788 .dumpit
= nl80211_dump_survey
,
9791 .cmd
= NL80211_CMD_SET_PMKSA
,
9792 .doit
= nl80211_setdel_pmksa
,
9793 .policy
= nl80211_policy
,
9794 .flags
= GENL_ADMIN_PERM
,
9795 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9796 NL80211_FLAG_NEED_RTNL
,
9799 .cmd
= NL80211_CMD_DEL_PMKSA
,
9800 .doit
= nl80211_setdel_pmksa
,
9801 .policy
= nl80211_policy
,
9802 .flags
= GENL_ADMIN_PERM
,
9803 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9804 NL80211_FLAG_NEED_RTNL
,
9807 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9808 .doit
= nl80211_flush_pmksa
,
9809 .policy
= nl80211_policy
,
9810 .flags
= GENL_ADMIN_PERM
,
9811 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9812 NL80211_FLAG_NEED_RTNL
,
9815 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9816 .doit
= nl80211_remain_on_channel
,
9817 .policy
= nl80211_policy
,
9818 .flags
= GENL_ADMIN_PERM
,
9819 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9820 NL80211_FLAG_NEED_RTNL
,
9823 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9824 .doit
= nl80211_cancel_remain_on_channel
,
9825 .policy
= nl80211_policy
,
9826 .flags
= GENL_ADMIN_PERM
,
9827 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9828 NL80211_FLAG_NEED_RTNL
,
9831 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9832 .doit
= nl80211_set_tx_bitrate_mask
,
9833 .policy
= nl80211_policy
,
9834 .flags
= GENL_ADMIN_PERM
,
9835 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9836 NL80211_FLAG_NEED_RTNL
,
9839 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9840 .doit
= nl80211_register_mgmt
,
9841 .policy
= nl80211_policy
,
9842 .flags
= GENL_ADMIN_PERM
,
9843 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9844 NL80211_FLAG_NEED_RTNL
,
9847 .cmd
= NL80211_CMD_FRAME
,
9848 .doit
= nl80211_tx_mgmt
,
9849 .policy
= nl80211_policy
,
9850 .flags
= GENL_ADMIN_PERM
,
9851 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9852 NL80211_FLAG_NEED_RTNL
,
9855 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9856 .doit
= nl80211_tx_mgmt_cancel_wait
,
9857 .policy
= nl80211_policy
,
9858 .flags
= GENL_ADMIN_PERM
,
9859 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9860 NL80211_FLAG_NEED_RTNL
,
9863 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9864 .doit
= nl80211_set_power_save
,
9865 .policy
= nl80211_policy
,
9866 .flags
= GENL_ADMIN_PERM
,
9867 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9868 NL80211_FLAG_NEED_RTNL
,
9871 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9872 .doit
= nl80211_get_power_save
,
9873 .policy
= nl80211_policy
,
9874 /* can be retrieved by unprivileged users */
9875 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9876 NL80211_FLAG_NEED_RTNL
,
9879 .cmd
= NL80211_CMD_SET_CQM
,
9880 .doit
= nl80211_set_cqm
,
9881 .policy
= nl80211_policy
,
9882 .flags
= GENL_ADMIN_PERM
,
9883 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9884 NL80211_FLAG_NEED_RTNL
,
9887 .cmd
= NL80211_CMD_SET_CHANNEL
,
9888 .doit
= nl80211_set_channel
,
9889 .policy
= nl80211_policy
,
9890 .flags
= GENL_ADMIN_PERM
,
9891 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9892 NL80211_FLAG_NEED_RTNL
,
9895 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9896 .doit
= nl80211_set_wds_peer
,
9897 .policy
= nl80211_policy
,
9898 .flags
= GENL_ADMIN_PERM
,
9899 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9900 NL80211_FLAG_NEED_RTNL
,
9903 .cmd
= NL80211_CMD_JOIN_MESH
,
9904 .doit
= nl80211_join_mesh
,
9905 .policy
= nl80211_policy
,
9906 .flags
= GENL_ADMIN_PERM
,
9907 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9908 NL80211_FLAG_NEED_RTNL
,
9911 .cmd
= NL80211_CMD_LEAVE_MESH
,
9912 .doit
= nl80211_leave_mesh
,
9913 .policy
= nl80211_policy
,
9914 .flags
= GENL_ADMIN_PERM
,
9915 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9916 NL80211_FLAG_NEED_RTNL
,
9920 .cmd
= NL80211_CMD_GET_WOWLAN
,
9921 .doit
= nl80211_get_wowlan
,
9922 .policy
= nl80211_policy
,
9923 /* can be retrieved by unprivileged users */
9924 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9925 NL80211_FLAG_NEED_RTNL
,
9928 .cmd
= NL80211_CMD_SET_WOWLAN
,
9929 .doit
= nl80211_set_wowlan
,
9930 .policy
= nl80211_policy
,
9931 .flags
= GENL_ADMIN_PERM
,
9932 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9933 NL80211_FLAG_NEED_RTNL
,
9937 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9938 .doit
= nl80211_set_rekey_data
,
9939 .policy
= nl80211_policy
,
9940 .flags
= GENL_ADMIN_PERM
,
9941 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9942 NL80211_FLAG_NEED_RTNL
,
9945 .cmd
= NL80211_CMD_TDLS_MGMT
,
9946 .doit
= nl80211_tdls_mgmt
,
9947 .policy
= nl80211_policy
,
9948 .flags
= GENL_ADMIN_PERM
,
9949 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9950 NL80211_FLAG_NEED_RTNL
,
9953 .cmd
= NL80211_CMD_TDLS_OPER
,
9954 .doit
= nl80211_tdls_oper
,
9955 .policy
= nl80211_policy
,
9956 .flags
= GENL_ADMIN_PERM
,
9957 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9958 NL80211_FLAG_NEED_RTNL
,
9961 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9962 .doit
= nl80211_register_unexpected_frame
,
9963 .policy
= nl80211_policy
,
9964 .flags
= GENL_ADMIN_PERM
,
9965 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9966 NL80211_FLAG_NEED_RTNL
,
9969 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9970 .doit
= nl80211_probe_client
,
9971 .policy
= nl80211_policy
,
9972 .flags
= GENL_ADMIN_PERM
,
9973 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9974 NL80211_FLAG_NEED_RTNL
,
9977 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9978 .doit
= nl80211_register_beacons
,
9979 .policy
= nl80211_policy
,
9980 .flags
= GENL_ADMIN_PERM
,
9981 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9982 NL80211_FLAG_NEED_RTNL
,
9985 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9986 .doit
= nl80211_set_noack_map
,
9987 .policy
= nl80211_policy
,
9988 .flags
= GENL_ADMIN_PERM
,
9989 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9990 NL80211_FLAG_NEED_RTNL
,
9993 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
9994 .doit
= nl80211_start_p2p_device
,
9995 .policy
= nl80211_policy
,
9996 .flags
= GENL_ADMIN_PERM
,
9997 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9998 NL80211_FLAG_NEED_RTNL
,
10001 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10002 .doit
= nl80211_stop_p2p_device
,
10003 .policy
= nl80211_policy
,
10004 .flags
= GENL_ADMIN_PERM
,
10005 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10006 NL80211_FLAG_NEED_RTNL
,
10009 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10010 .doit
= nl80211_set_mcast_rate
,
10011 .policy
= nl80211_policy
,
10012 .flags
= GENL_ADMIN_PERM
,
10013 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10014 NL80211_FLAG_NEED_RTNL
,
10017 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10018 .doit
= nl80211_set_mac_acl
,
10019 .policy
= nl80211_policy
,
10020 .flags
= GENL_ADMIN_PERM
,
10021 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10022 NL80211_FLAG_NEED_RTNL
,
10025 .cmd
= NL80211_CMD_RADAR_DETECT
,
10026 .doit
= nl80211_start_radar_detection
,
10027 .policy
= nl80211_policy
,
10028 .flags
= GENL_ADMIN_PERM
,
10029 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10030 NL80211_FLAG_NEED_RTNL
,
10033 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10034 .doit
= nl80211_get_protocol_features
,
10035 .policy
= nl80211_policy
,
10038 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10039 .doit
= nl80211_update_ft_ies
,
10040 .policy
= nl80211_policy
,
10041 .flags
= GENL_ADMIN_PERM
,
10042 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10043 NL80211_FLAG_NEED_RTNL
,
10046 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10047 .doit
= nl80211_crit_protocol_start
,
10048 .policy
= nl80211_policy
,
10049 .flags
= GENL_ADMIN_PERM
,
10050 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10051 NL80211_FLAG_NEED_RTNL
,
10054 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10055 .doit
= nl80211_crit_protocol_stop
,
10056 .policy
= nl80211_policy
,
10057 .flags
= GENL_ADMIN_PERM
,
10058 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10059 NL80211_FLAG_NEED_RTNL
,
10062 .cmd
= NL80211_CMD_GET_COALESCE
,
10063 .doit
= nl80211_get_coalesce
,
10064 .policy
= nl80211_policy
,
10065 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10066 NL80211_FLAG_NEED_RTNL
,
10069 .cmd
= NL80211_CMD_SET_COALESCE
,
10070 .doit
= nl80211_set_coalesce
,
10071 .policy
= nl80211_policy
,
10072 .flags
= GENL_ADMIN_PERM
,
10073 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10074 NL80211_FLAG_NEED_RTNL
,
10077 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10078 .doit
= nl80211_channel_switch
,
10079 .policy
= nl80211_policy
,
10080 .flags
= GENL_ADMIN_PERM
,
10081 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10082 NL80211_FLAG_NEED_RTNL
,
10085 .cmd
= NL80211_CMD_VENDOR
,
10086 .doit
= nl80211_vendor_cmd
,
10087 .policy
= nl80211_policy
,
10088 .flags
= GENL_ADMIN_PERM
,
10089 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10090 NL80211_FLAG_NEED_RTNL
,
10093 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10094 .doit
= nl80211_set_qos_map
,
10095 .policy
= nl80211_policy
,
10096 .flags
= GENL_ADMIN_PERM
,
10097 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10098 NL80211_FLAG_NEED_RTNL
,
10102 /* notification functions */
10104 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10105 enum nl80211_commands cmd
)
10107 struct sk_buff
*msg
;
10108 struct nl80211_dump_wiphy_state state
= {};
10110 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10111 cmd
!= NL80211_CMD_DEL_WIPHY
);
10113 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10117 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10122 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10123 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10126 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10127 struct cfg80211_registered_device
*rdev
)
10129 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10130 struct nlattr
*nest
;
10136 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10138 goto nla_put_failure
;
10139 for (i
= 0; i
< req
->n_ssids
; i
++) {
10140 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10141 goto nla_put_failure
;
10143 nla_nest_end(msg
, nest
);
10145 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10147 goto nla_put_failure
;
10148 for (i
= 0; i
< req
->n_channels
; i
++) {
10149 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10150 goto nla_put_failure
;
10152 nla_nest_end(msg
, nest
);
10155 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10156 goto nla_put_failure
;
10159 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10160 goto nla_put_failure
;
10167 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10168 struct cfg80211_registered_device
*rdev
,
10169 struct wireless_dev
*wdev
,
10170 u32 portid
, u32 seq
, int flags
,
10175 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10179 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10180 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10181 wdev
->netdev
->ifindex
)) ||
10182 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10183 goto nla_put_failure
;
10185 /* ignore errors and send incomplete event anyway */
10186 nl80211_add_scan_req(msg
, rdev
);
10188 return genlmsg_end(msg
, hdr
);
10191 genlmsg_cancel(msg
, hdr
);
10196 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10197 struct cfg80211_registered_device
*rdev
,
10198 struct net_device
*netdev
,
10199 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10203 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10207 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10208 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10209 goto nla_put_failure
;
10211 return genlmsg_end(msg
, hdr
);
10214 genlmsg_cancel(msg
, hdr
);
10218 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10219 struct wireless_dev
*wdev
)
10221 struct sk_buff
*msg
;
10223 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10227 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10228 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10233 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10234 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10237 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10238 struct wireless_dev
*wdev
, bool aborted
)
10240 struct sk_buff
*msg
;
10242 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10246 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10247 aborted
? NL80211_CMD_SCAN_ABORTED
:
10248 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10256 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10257 struct sk_buff
*msg
)
10262 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10263 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10266 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10267 struct net_device
*netdev
)
10269 struct sk_buff
*msg
;
10271 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10275 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10276 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10281 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10282 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10285 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10286 struct net_device
*netdev
, u32 cmd
)
10288 struct sk_buff
*msg
;
10290 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10294 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10299 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10300 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10304 * This can happen on global regulatory changes or device specific settings
10305 * based on custom world regulatory domains.
10307 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10309 struct sk_buff
*msg
;
10312 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10316 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10322 /* Userspace can always count this one always being set */
10323 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10324 goto nla_put_failure
;
10326 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10327 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10328 NL80211_REGDOM_TYPE_WORLD
))
10329 goto nla_put_failure
;
10330 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10331 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10332 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10333 goto nla_put_failure
;
10334 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10335 request
->intersect
) {
10336 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10337 NL80211_REGDOM_TYPE_INTERSECTION
))
10338 goto nla_put_failure
;
10340 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10341 NL80211_REGDOM_TYPE_COUNTRY
) ||
10342 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10344 goto nla_put_failure
;
10347 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10348 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10349 goto nla_put_failure
;
10351 genlmsg_end(msg
, hdr
);
10354 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10355 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10361 genlmsg_cancel(msg
, hdr
);
10365 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
10366 struct net_device
*netdev
,
10367 const u8
*buf
, size_t len
,
10368 enum nl80211_commands cmd
, gfp_t gfp
)
10370 struct sk_buff
*msg
;
10373 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10377 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10383 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10384 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10385 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10386 goto nla_put_failure
;
10388 genlmsg_end(msg
, hdr
);
10390 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10391 NL80211_MCGRP_MLME
, gfp
);
10395 genlmsg_cancel(msg
, hdr
);
10399 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
10400 struct net_device
*netdev
, const u8
*buf
,
10401 size_t len
, gfp_t gfp
)
10403 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10404 NL80211_CMD_AUTHENTICATE
, gfp
);
10407 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
10408 struct net_device
*netdev
, const u8
*buf
,
10409 size_t len
, gfp_t gfp
)
10411 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10412 NL80211_CMD_ASSOCIATE
, gfp
);
10415 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
10416 struct net_device
*netdev
, const u8
*buf
,
10417 size_t len
, gfp_t gfp
)
10419 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10420 NL80211_CMD_DEAUTHENTICATE
, gfp
);
10423 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
10424 struct net_device
*netdev
, const u8
*buf
,
10425 size_t len
, gfp_t gfp
)
10427 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10428 NL80211_CMD_DISASSOCIATE
, gfp
);
10431 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
10434 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10435 struct wiphy
*wiphy
= wdev
->wiphy
;
10436 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10437 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
10440 if (WARN_ON(len
< 2))
10443 if (ieee80211_is_deauth(mgmt
->frame_control
))
10444 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
10446 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
10448 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
10449 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
10451 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
10453 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
10454 struct net_device
*netdev
, int cmd
,
10455 const u8
*addr
, gfp_t gfp
)
10457 struct sk_buff
*msg
;
10460 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10464 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10470 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10471 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10472 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
10473 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10474 goto nla_put_failure
;
10476 genlmsg_end(msg
, hdr
);
10478 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10479 NL80211_MCGRP_MLME
, gfp
);
10483 genlmsg_cancel(msg
, hdr
);
10487 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10488 struct net_device
*netdev
, const u8
*addr
,
10491 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10495 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10496 struct net_device
*netdev
, const u8
*addr
,
10499 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10503 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10504 struct net_device
*netdev
, const u8
*bssid
,
10505 const u8
*req_ie
, size_t req_ie_len
,
10506 const u8
*resp_ie
, size_t resp_ie_len
,
10507 u16 status
, gfp_t gfp
)
10509 struct sk_buff
*msg
;
10512 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10516 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10522 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10523 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10524 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10525 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10527 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10529 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10530 goto nla_put_failure
;
10532 genlmsg_end(msg
, hdr
);
10534 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10535 NL80211_MCGRP_MLME
, gfp
);
10539 genlmsg_cancel(msg
, hdr
);
10544 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10545 struct net_device
*netdev
, const u8
*bssid
,
10546 const u8
*req_ie
, size_t req_ie_len
,
10547 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10549 struct sk_buff
*msg
;
10552 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10556 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10562 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10563 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10564 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10566 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10568 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10569 goto nla_put_failure
;
10571 genlmsg_end(msg
, hdr
);
10573 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10574 NL80211_MCGRP_MLME
, gfp
);
10578 genlmsg_cancel(msg
, hdr
);
10583 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10584 struct net_device
*netdev
, u16 reason
,
10585 const u8
*ie
, size_t ie_len
, bool from_ap
)
10587 struct sk_buff
*msg
;
10590 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10594 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10600 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10601 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10602 (from_ap
&& reason
&&
10603 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10605 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10606 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
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_KERNEL
);
10616 genlmsg_cancel(msg
, hdr
);
10621 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10622 struct net_device
*netdev
, const u8
*bssid
,
10625 struct sk_buff
*msg
;
10628 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10632 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10638 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10639 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10640 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10641 goto nla_put_failure
;
10643 genlmsg_end(msg
, hdr
);
10645 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10646 NL80211_MCGRP_MLME
, gfp
);
10650 genlmsg_cancel(msg
, hdr
);
10654 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10655 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10657 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10658 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
10659 struct sk_buff
*msg
;
10662 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10665 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10667 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10671 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10677 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10678 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10679 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10681 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10682 goto nla_put_failure
;
10684 genlmsg_end(msg
, hdr
);
10686 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10687 NL80211_MCGRP_MLME
, gfp
);
10691 genlmsg_cancel(msg
, hdr
);
10694 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10696 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10697 struct net_device
*netdev
, const u8
*addr
,
10698 enum nl80211_key_type key_type
, int key_id
,
10699 const u8
*tsc
, gfp_t gfp
)
10701 struct sk_buff
*msg
;
10704 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10708 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10714 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10715 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10716 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10717 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10719 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10720 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10721 goto nla_put_failure
;
10723 genlmsg_end(msg
, hdr
);
10725 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10726 NL80211_MCGRP_MLME
, gfp
);
10730 genlmsg_cancel(msg
, hdr
);
10734 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10735 struct ieee80211_channel
*channel_before
,
10736 struct ieee80211_channel
*channel_after
)
10738 struct sk_buff
*msg
;
10740 struct nlattr
*nl_freq
;
10742 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10746 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10753 * Since we are applying the beacon hint to a wiphy we know its
10754 * wiphy_idx is valid
10756 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10757 goto nla_put_failure
;
10760 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10762 goto nla_put_failure
;
10763 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10764 goto nla_put_failure
;
10765 nla_nest_end(msg
, nl_freq
);
10768 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10770 goto nla_put_failure
;
10771 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10772 goto nla_put_failure
;
10773 nla_nest_end(msg
, nl_freq
);
10775 genlmsg_end(msg
, hdr
);
10778 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10779 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10785 genlmsg_cancel(msg
, hdr
);
10789 static void nl80211_send_remain_on_chan_event(
10790 int cmd
, struct cfg80211_registered_device
*rdev
,
10791 struct wireless_dev
*wdev
, u64 cookie
,
10792 struct ieee80211_channel
*chan
,
10793 unsigned int duration
, gfp_t gfp
)
10795 struct sk_buff
*msg
;
10798 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10802 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10808 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10809 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10810 wdev
->netdev
->ifindex
)) ||
10811 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10812 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10813 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10814 NL80211_CHAN_NO_HT
) ||
10815 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10816 goto nla_put_failure
;
10818 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10819 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10820 goto nla_put_failure
;
10822 genlmsg_end(msg
, hdr
);
10824 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10825 NL80211_MCGRP_MLME
, gfp
);
10829 genlmsg_cancel(msg
, hdr
);
10833 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10834 struct ieee80211_channel
*chan
,
10835 unsigned int duration
, gfp_t gfp
)
10837 struct wiphy
*wiphy
= wdev
->wiphy
;
10838 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10840 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10841 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10842 rdev
, wdev
, cookie
, chan
,
10845 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10847 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10848 struct ieee80211_channel
*chan
,
10851 struct wiphy
*wiphy
= wdev
->wiphy
;
10852 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10854 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10855 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10856 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10858 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10860 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10861 struct station_info
*sinfo
, gfp_t gfp
)
10863 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10864 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10865 struct sk_buff
*msg
;
10867 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10869 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10873 if (nl80211_send_station(msg
, 0, 0, 0,
10874 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10879 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10880 NL80211_MCGRP_MLME
, gfp
);
10882 EXPORT_SYMBOL(cfg80211_new_sta
);
10884 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10886 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10887 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10888 struct sk_buff
*msg
;
10891 trace_cfg80211_del_sta(dev
, mac_addr
);
10893 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10897 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10903 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10904 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10905 goto nla_put_failure
;
10907 genlmsg_end(msg
, hdr
);
10909 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10910 NL80211_MCGRP_MLME
, gfp
);
10914 genlmsg_cancel(msg
, hdr
);
10917 EXPORT_SYMBOL(cfg80211_del_sta
);
10919 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10920 enum nl80211_connect_failed_reason reason
,
10923 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10924 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10925 struct sk_buff
*msg
;
10928 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10932 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10938 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10939 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10940 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10941 goto nla_put_failure
;
10943 genlmsg_end(msg
, hdr
);
10945 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10946 NL80211_MCGRP_MLME
, gfp
);
10950 genlmsg_cancel(msg
, hdr
);
10953 EXPORT_SYMBOL(cfg80211_conn_failed
);
10955 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10956 const u8
*addr
, gfp_t gfp
)
10958 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10959 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
10960 struct sk_buff
*msg
;
10962 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10967 msg
= nlmsg_new(100, gfp
);
10971 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10977 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10978 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10979 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10980 goto nla_put_failure
;
10982 genlmsg_end(msg
, hdr
);
10983 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10987 genlmsg_cancel(msg
, hdr
);
10992 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
10993 const u8
*addr
, gfp_t gfp
)
10995 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10998 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11000 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11001 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11002 trace_cfg80211_return_bool(false);
11005 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11007 trace_cfg80211_return_bool(ret
);
11010 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11012 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11013 const u8
*addr
, gfp_t gfp
)
11015 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11018 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11020 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11021 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11022 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11023 trace_cfg80211_return_bool(false);
11026 ret
= __nl80211_unexpected_frame(dev
,
11027 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11029 trace_cfg80211_return_bool(ret
);
11032 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11034 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11035 struct wireless_dev
*wdev
, u32 nlportid
,
11036 int freq
, int sig_dbm
,
11037 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11039 struct net_device
*netdev
= wdev
->netdev
;
11040 struct sk_buff
*msg
;
11043 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11047 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11053 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11054 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11055 netdev
->ifindex
)) ||
11056 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11057 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11059 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11060 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11062 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11063 goto nla_put_failure
;
11065 genlmsg_end(msg
, hdr
);
11067 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11070 genlmsg_cancel(msg
, hdr
);
11075 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11076 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11078 struct wiphy
*wiphy
= wdev
->wiphy
;
11079 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11080 struct net_device
*netdev
= wdev
->netdev
;
11081 struct sk_buff
*msg
;
11084 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11086 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11090 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11096 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11097 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11098 netdev
->ifindex
)) ||
11099 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11100 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11101 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11102 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11103 goto nla_put_failure
;
11105 genlmsg_end(msg
, hdr
);
11107 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11108 NL80211_MCGRP_MLME
, gfp
);
11112 genlmsg_cancel(msg
, hdr
);
11115 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11117 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11118 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11121 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11122 struct wiphy
*wiphy
= wdev
->wiphy
;
11123 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11124 struct sk_buff
*msg
;
11125 struct nlattr
*pinfoattr
;
11128 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11130 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11134 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11140 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11141 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11142 goto nla_put_failure
;
11144 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11146 goto nla_put_failure
;
11148 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11150 goto nla_put_failure
;
11152 nla_nest_end(msg
, pinfoattr
);
11154 genlmsg_end(msg
, hdr
);
11156 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11157 NL80211_MCGRP_MLME
, gfp
);
11161 genlmsg_cancel(msg
, hdr
);
11164 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11166 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
11167 struct net_device
*netdev
, const u8
*bssid
,
11168 const u8
*replay_ctr
, gfp_t gfp
)
11170 struct sk_buff
*msg
;
11171 struct nlattr
*rekey_attr
;
11174 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11178 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
11184 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11185 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11186 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11187 goto nla_put_failure
;
11189 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
11191 goto nla_put_failure
;
11193 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
11194 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
11195 goto nla_put_failure
;
11197 nla_nest_end(msg
, rekey_attr
);
11199 genlmsg_end(msg
, hdr
);
11201 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11202 NL80211_MCGRP_MLME
, gfp
);
11206 genlmsg_cancel(msg
, hdr
);
11210 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
11211 const u8
*replay_ctr
, gfp_t gfp
)
11213 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11214 struct wiphy
*wiphy
= wdev
->wiphy
;
11215 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11217 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11218 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11220 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11223 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11224 struct net_device
*netdev
, int index
,
11225 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11227 struct sk_buff
*msg
;
11228 struct nlattr
*attr
;
11231 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11235 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11241 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11242 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11243 goto nla_put_failure
;
11245 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11247 goto nla_put_failure
;
11249 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
11250 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
11252 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
11253 goto nla_put_failure
;
11255 nla_nest_end(msg
, attr
);
11257 genlmsg_end(msg
, hdr
);
11259 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11260 NL80211_MCGRP_MLME
, gfp
);
11264 genlmsg_cancel(msg
, hdr
);
11268 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
11269 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11271 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11272 struct wiphy
*wiphy
= wdev
->wiphy
;
11273 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11275 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
11276 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
11278 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
11280 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
11281 struct net_device
*netdev
,
11282 struct cfg80211_chan_def
*chandef
,
11285 struct sk_buff
*msg
;
11288 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11292 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
11298 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11299 goto nla_put_failure
;
11301 if (nl80211_send_chandef(msg
, chandef
))
11302 goto nla_put_failure
;
11304 genlmsg_end(msg
, hdr
);
11306 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11307 NL80211_MCGRP_MLME
, gfp
);
11311 genlmsg_cancel(msg
, hdr
);
11315 void cfg80211_ch_switch_notify(struct net_device
*dev
,
11316 struct cfg80211_chan_def
*chandef
)
11318 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11319 struct wiphy
*wiphy
= wdev
->wiphy
;
11320 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11322 ASSERT_WDEV_LOCK(wdev
);
11324 trace_cfg80211_ch_switch_notify(dev
, chandef
);
11326 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11327 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11328 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
11329 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11332 wdev
->chandef
= *chandef
;
11333 wdev
->preset_chandef
= *chandef
;
11334 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
11336 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
11338 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11339 const u8
*peer
, u32 num_packets
,
11340 u32 rate
, u32 intvl
, gfp_t gfp
)
11342 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11343 struct wiphy
*wiphy
= wdev
->wiphy
;
11344 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11345 struct sk_buff
*msg
;
11346 struct nlattr
*pinfoattr
;
11349 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11353 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11359 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11360 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11361 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11362 goto nla_put_failure
;
11364 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11366 goto nla_put_failure
;
11368 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11369 goto nla_put_failure
;
11371 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11372 goto nla_put_failure
;
11374 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11375 goto nla_put_failure
;
11377 nla_nest_end(msg
, pinfoattr
);
11379 genlmsg_end(msg
, hdr
);
11381 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11382 NL80211_MCGRP_MLME
, gfp
);
11386 genlmsg_cancel(msg
, hdr
);
11389 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11392 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
11393 const struct cfg80211_chan_def
*chandef
,
11394 enum nl80211_radar_event event
,
11395 struct net_device
*netdev
, gfp_t gfp
)
11397 struct sk_buff
*msg
;
11400 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11404 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
11410 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
11411 goto nla_put_failure
;
11413 /* NOP and radar events don't need a netdev parameter */
11415 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
11417 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11418 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11419 goto nla_put_failure
;
11422 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
11423 goto nla_put_failure
;
11425 if (nl80211_send_chandef(msg
, chandef
))
11426 goto nla_put_failure
;
11428 genlmsg_end(msg
, hdr
);
11430 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11431 NL80211_MCGRP_MLME
, gfp
);
11435 genlmsg_cancel(msg
, hdr
);
11439 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11440 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11442 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11443 struct wiphy
*wiphy
= wdev
->wiphy
;
11444 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11445 struct sk_buff
*msg
;
11446 struct nlattr
*pinfoattr
;
11449 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11451 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11455 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11461 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11462 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11463 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11464 goto nla_put_failure
;
11466 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11468 goto nla_put_failure
;
11470 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11471 goto nla_put_failure
;
11473 nla_nest_end(msg
, pinfoattr
);
11475 genlmsg_end(msg
, hdr
);
11477 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11478 NL80211_MCGRP_MLME
, gfp
);
11482 genlmsg_cancel(msg
, hdr
);
11485 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11487 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11488 u64 cookie
, bool acked
, gfp_t gfp
)
11490 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11491 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11492 struct sk_buff
*msg
;
11495 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11497 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11502 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11508 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11509 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11510 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11511 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11512 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11513 goto nla_put_failure
;
11515 genlmsg_end(msg
, hdr
);
11517 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11518 NL80211_MCGRP_MLME
, gfp
);
11522 genlmsg_cancel(msg
, hdr
);
11525 EXPORT_SYMBOL(cfg80211_probe_status
);
11527 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11528 const u8
*frame
, size_t len
,
11529 int freq
, int sig_dbm
)
11531 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11532 struct sk_buff
*msg
;
11534 struct cfg80211_beacon_registration
*reg
;
11536 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11538 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11539 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11540 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11542 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11546 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11548 goto nla_put_failure
;
11550 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11552 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11554 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11555 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11556 goto nla_put_failure
;
11558 genlmsg_end(msg
, hdr
);
11560 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11562 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11566 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11568 genlmsg_cancel(msg
, hdr
);
11571 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11574 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11575 struct cfg80211_wowlan_wakeup
*wakeup
,
11578 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11579 struct sk_buff
*msg
;
11583 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11586 size
+= wakeup
->packet_present_len
;
11588 msg
= nlmsg_new(size
, gfp
);
11592 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11596 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11597 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11600 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11601 wdev
->netdev
->ifindex
))
11605 struct nlattr
*reasons
;
11607 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11611 if (wakeup
->disconnect
&&
11612 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11614 if (wakeup
->magic_pkt
&&
11615 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11617 if (wakeup
->gtk_rekey_failure
&&
11618 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11620 if (wakeup
->eap_identity_req
&&
11621 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11623 if (wakeup
->four_way_handshake
&&
11624 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11626 if (wakeup
->rfkill_release
&&
11627 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11630 if (wakeup
->pattern_idx
>= 0 &&
11631 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11632 wakeup
->pattern_idx
))
11635 if (wakeup
->tcp_match
&&
11636 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
11639 if (wakeup
->tcp_connlost
&&
11640 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
11643 if (wakeup
->tcp_nomoretokens
&&
11645 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
11648 if (wakeup
->packet
) {
11649 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11650 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11652 if (!wakeup
->packet_80211
) {
11654 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11656 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11659 if (wakeup
->packet_len
&&
11660 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11663 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11668 nla_nest_end(msg
, reasons
);
11671 genlmsg_end(msg
, hdr
);
11673 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11674 NL80211_MCGRP_MLME
, gfp
);
11680 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11683 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11684 enum nl80211_tdls_operation oper
,
11685 u16 reason_code
, gfp_t gfp
)
11687 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11688 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11689 struct sk_buff
*msg
;
11692 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11695 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11699 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11705 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11706 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11707 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11708 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11709 (reason_code
> 0 &&
11710 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11711 goto nla_put_failure
;
11713 genlmsg_end(msg
, hdr
);
11715 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11716 NL80211_MCGRP_MLME
, gfp
);
11720 genlmsg_cancel(msg
, hdr
);
11723 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11725 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11726 unsigned long state
,
11729 struct netlink_notify
*notify
= _notify
;
11730 struct cfg80211_registered_device
*rdev
;
11731 struct wireless_dev
*wdev
;
11732 struct cfg80211_beacon_registration
*reg
, *tmp
;
11734 if (state
!= NETLINK_URELEASE
)
11735 return NOTIFY_DONE
;
11739 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11740 bool schedule_destroy_work
= false;
11742 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
11743 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11745 if (wdev
->owner_nlportid
== notify
->portid
)
11746 schedule_destroy_work
= true;
11749 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11750 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11752 if (reg
->nlportid
== notify
->portid
) {
11753 list_del(®
->list
);
11758 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11760 if (schedule_destroy_work
) {
11761 struct cfg80211_iface_destroy
*destroy
;
11763 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
11765 destroy
->nlportid
= notify
->portid
;
11766 spin_lock(&rdev
->destroy_list_lock
);
11767 list_add(&destroy
->list
, &rdev
->destroy_list
);
11768 spin_unlock(&rdev
->destroy_list_lock
);
11769 schedule_work(&rdev
->destroy_work
);
11779 static struct notifier_block nl80211_netlink_notifier
= {
11780 .notifier_call
= nl80211_netlink_notify
,
11783 void cfg80211_ft_event(struct net_device
*netdev
,
11784 struct cfg80211_ft_event_params
*ft_event
)
11786 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11787 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11788 struct sk_buff
*msg
;
11791 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11793 if (!ft_event
->target_ap
)
11796 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11800 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11804 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11805 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11806 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
11809 if (ft_event
->ies
&&
11810 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
11812 if (ft_event
->ric_ies
&&
11813 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11814 ft_event
->ric_ies
))
11817 genlmsg_end(msg
, hdr
);
11819 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11820 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11825 EXPORT_SYMBOL(cfg80211_ft_event
);
11827 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11829 struct cfg80211_registered_device
*rdev
;
11830 struct sk_buff
*msg
;
11834 rdev
= wiphy_to_rdev(wdev
->wiphy
);
11835 if (!rdev
->crit_proto_nlportid
)
11838 nlportid
= rdev
->crit_proto_nlportid
;
11839 rdev
->crit_proto_nlportid
= 0;
11841 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11845 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11847 goto nla_put_failure
;
11849 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11850 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11851 goto nla_put_failure
;
11853 genlmsg_end(msg
, hdr
);
11855 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11860 genlmsg_cancel(msg
, hdr
);
11864 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11866 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
11868 struct wiphy
*wiphy
= wdev
->wiphy
;
11869 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11870 struct sk_buff
*msg
;
11873 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11877 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
11881 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11882 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
11883 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11886 genlmsg_end(msg
, hdr
);
11888 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
11889 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11895 /* initialisation/exit functions */
11897 int nl80211_init(void)
11901 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
11906 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11912 genl_unregister_family(&nl80211_fam
);
11916 void nl80211_exit(void)
11918 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11919 genl_unregister_family(&nl80211_fam
);