2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
22 #include <net/inet_connection_sock.h>
28 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
29 struct genl_info
*info
,
30 struct cfg80211_crypto_settings
*settings
,
33 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
34 struct genl_info
*info
);
35 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
36 struct genl_info
*info
);
38 /* the netlink family */
39 static struct genl_family nl80211_fam
= {
40 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
41 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
42 .hdrsize
= 0, /* no private header */
43 .version
= 1, /* no particular meaning now */
44 .maxattr
= NL80211_ATTR_MAX
,
46 .pre_doit
= nl80211_pre_doit
,
47 .post_doit
= nl80211_post_doit
,
50 /* multicast groups */
51 enum nl80211_multicast_groups
{
54 NL80211_MCGRP_REGULATORY
,
57 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
60 static const struct genl_multicast_group nl80211_mcgrps
[] = {
61 [NL80211_MCGRP_CONFIG
] = { .name
= "config", },
62 [NL80211_MCGRP_SCAN
] = { .name
= "scan", },
63 [NL80211_MCGRP_REGULATORY
] = { .name
= "regulatory", },
64 [NL80211_MCGRP_MLME
] = { .name
= "mlme", },
65 [NL80211_MCGRP_VENDOR
] = { .name
= "vendor", },
66 #ifdef CONFIG_NL80211_TESTMODE
67 [NL80211_MCGRP_TESTMODE
] = { .name
= "testmode", }
71 /* returns ERR_PTR values */
72 static struct wireless_dev
*
73 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
75 struct cfg80211_registered_device
*rdev
;
76 struct wireless_dev
*result
= NULL
;
77 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
78 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
85 if (!have_ifidx
&& !have_wdev_id
)
86 return ERR_PTR(-EINVAL
);
89 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
91 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
92 wiphy_idx
= wdev_id
>> 32;
95 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
96 struct wireless_dev
*wdev
;
98 if (wiphy_net(&rdev
->wiphy
) != netns
)
101 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
104 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
105 if (have_ifidx
&& wdev
->netdev
&&
106 wdev
->netdev
->ifindex
== ifidx
) {
110 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
122 return ERR_PTR(-ENODEV
);
125 static struct cfg80211_registered_device
*
126 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
128 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
129 struct net_device
*netdev
;
133 if (!attrs
[NL80211_ATTR_WIPHY
] &&
134 !attrs
[NL80211_ATTR_IFINDEX
] &&
135 !attrs
[NL80211_ATTR_WDEV
])
136 return ERR_PTR(-EINVAL
);
138 if (attrs
[NL80211_ATTR_WIPHY
])
139 rdev
= cfg80211_rdev_by_wiphy_idx(
140 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
142 if (attrs
[NL80211_ATTR_WDEV
]) {
143 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
144 struct wireless_dev
*wdev
;
147 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
149 /* make sure wdev exists */
150 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
151 if (wdev
->identifier
!= (u32
)wdev_id
)
160 if (rdev
&& tmp
!= rdev
)
161 return ERR_PTR(-EINVAL
);
166 if (attrs
[NL80211_ATTR_IFINDEX
]) {
167 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
168 netdev
= __dev_get_by_index(netns
, ifindex
);
170 if (netdev
->ieee80211_ptr
)
172 netdev
->ieee80211_ptr
->wiphy
);
176 /* not wireless device -- return error */
178 return ERR_PTR(-EINVAL
);
180 /* mismatch -- return error */
181 if (rdev
&& tmp
!= rdev
)
182 return ERR_PTR(-EINVAL
);
189 return ERR_PTR(-ENODEV
);
191 if (netns
!= wiphy_net(&rdev
->wiphy
))
192 return ERR_PTR(-ENODEV
);
198 * This function returns a pointer to the driver
199 * that the genl_info item that is passed refers to.
201 * The result of this can be a PTR_ERR and hence must
202 * be checked with IS_ERR() for errors.
204 static struct cfg80211_registered_device
*
205 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
207 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
210 /* policy for the attributes */
211 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
212 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
213 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
215 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
217 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
218 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
219 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
220 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
224 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
225 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
226 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
227 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
229 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
230 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
231 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
233 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
234 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
236 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
237 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
238 .len
= WLAN_MAX_KEY_LEN
},
239 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
240 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
241 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
242 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
243 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
245 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
246 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
247 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
248 .len
= IEEE80211_MAX_DATA_LEN
},
249 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
250 .len
= IEEE80211_MAX_DATA_LEN
},
251 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
252 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
253 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
254 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
255 .len
= NL80211_MAX_SUPP_RATES
},
256 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
257 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
258 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
259 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
260 .len
= IEEE80211_MAX_MESH_ID_LEN
},
261 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
263 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
264 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
266 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
267 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
268 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
269 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
270 .len
= NL80211_MAX_SUPP_RATES
},
271 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
273 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
274 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
276 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
278 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
279 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
280 .len
= IEEE80211_MAX_DATA_LEN
},
281 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
282 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
284 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
285 .len
= IEEE80211_MAX_SSID_LEN
},
286 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
287 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
288 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
289 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
290 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
291 [NL80211_ATTR_STA_FLAGS2
] = {
292 .len
= sizeof(struct nl80211_sta_flag_update
),
294 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
295 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
296 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
297 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
298 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
299 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
300 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
301 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
302 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
303 .len
= WLAN_PMKID_LEN
},
304 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
305 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
306 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
307 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
308 .len
= IEEE80211_MAX_DATA_LEN
},
309 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
310 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
311 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
312 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
313 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
314 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
315 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
316 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
317 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
318 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
319 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
321 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
322 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
323 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
324 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
325 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
326 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
327 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
328 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
329 .len
= IEEE80211_MAX_DATA_LEN
},
330 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
331 .len
= IEEE80211_MAX_DATA_LEN
},
332 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
333 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
334 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
335 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
336 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
337 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
338 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
339 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
340 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
341 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
342 .len
= IEEE80211_MAX_DATA_LEN
},
343 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
344 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
345 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
346 .len
= NL80211_HT_CAPABILITY_LEN
348 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
349 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
350 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
351 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
352 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
353 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
354 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
355 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
356 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
357 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
358 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
359 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
360 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
361 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
362 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
363 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
364 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
365 .len
= NL80211_VHT_CAPABILITY_LEN
,
367 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
368 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
369 .len
= IEEE80211_MAX_DATA_LEN
},
370 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
371 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
372 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
373 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
374 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
375 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
376 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
377 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
378 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
379 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
380 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
381 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
382 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
383 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
384 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
385 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
386 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
387 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
388 [NL80211_ATTR_IFACE_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
389 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
392 /* policy for the key attributes */
393 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
394 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
395 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
396 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
397 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
398 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
399 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
400 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
401 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
404 /* policy for the key default flags */
405 static const struct nla_policy
406 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
407 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
408 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
411 /* policy for WoWLAN attributes */
412 static const struct nla_policy
413 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
414 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
415 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
416 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
417 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
418 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
419 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
420 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
421 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
422 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
425 static const struct nla_policy
426 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
427 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
428 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
429 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
430 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
431 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
432 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
433 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
434 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
436 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
437 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
439 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
440 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
441 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
444 /* policy for coalesce rule attributes */
445 static const struct nla_policy
446 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
447 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
448 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
449 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
452 /* policy for GTK rekey offload attributes */
453 static const struct nla_policy
454 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
455 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
456 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
457 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
460 static const struct nla_policy
461 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
462 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
463 .len
= IEEE80211_MAX_SSID_LEN
},
464 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
467 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
468 struct netlink_callback
*cb
,
469 struct cfg80211_registered_device
**rdev
,
470 struct wireless_dev
**wdev
)
477 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
478 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
483 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
484 nl80211_fam
.attrbuf
);
486 err
= PTR_ERR(*wdev
);
489 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
490 /* 0 is the first index - add 1 to parse only once */
491 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
492 cb
->args
[1] = (*wdev
)->identifier
;
494 /* subtract the 1 again here */
495 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
496 struct wireless_dev
*tmp
;
502 *rdev
= wiphy_to_rdev(wiphy
);
505 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
506 if (tmp
->identifier
== cb
->args
[1]) {
524 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
530 static bool is_valid_ie_attr(const struct nlattr
*attr
)
538 pos
= nla_data(attr
);
559 /* message building helper */
560 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
563 /* since there is no private header just add the generic one */
564 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
567 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
568 struct ieee80211_channel
*chan
,
571 /* Some channels must be completely excluded from the
572 * list to protect old user-space tools from breaking
574 if (!large
&& chan
->flags
&
575 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
578 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
580 goto nla_put_failure
;
582 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
583 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
584 goto nla_put_failure
;
585 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
586 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
587 goto nla_put_failure
;
588 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
589 goto nla_put_failure
;
591 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
592 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
593 goto nla_put_failure
;
597 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
599 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
601 goto nla_put_failure
;
602 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
604 goto nla_put_failure
;
606 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
608 goto nla_put_failure
;
613 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
614 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
615 goto nla_put_failure
;
616 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
617 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
618 goto nla_put_failure
;
619 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
620 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
621 goto nla_put_failure
;
622 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
623 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
624 goto nla_put_failure
;
625 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
626 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
627 goto nla_put_failure
;
628 if ((chan
->flags
& IEEE80211_CHAN_GO_CONCURRENT
) &&
629 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_GO_CONCURRENT
))
630 goto nla_put_failure
;
631 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
632 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
633 goto nla_put_failure
;
634 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
635 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
636 goto nla_put_failure
;
639 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
640 DBM_TO_MBM(chan
->max_power
)))
641 goto nla_put_failure
;
649 /* netlink command implementations */
656 bool def_uni
, def_multi
;
659 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
661 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
662 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
667 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
668 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
677 if (tb
[NL80211_KEY_IDX
])
678 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
680 if (tb
[NL80211_KEY_DATA
]) {
681 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
682 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
685 if (tb
[NL80211_KEY_SEQ
]) {
686 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
687 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
690 if (tb
[NL80211_KEY_CIPHER
])
691 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
693 if (tb
[NL80211_KEY_TYPE
]) {
694 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
695 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
699 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
700 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
701 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
702 tb
[NL80211_KEY_DEFAULT_TYPES
],
703 nl80211_key_default_policy
);
707 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
708 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
714 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
716 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
717 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
718 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
721 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
722 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
723 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
726 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
727 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
729 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
730 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
732 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
733 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
742 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
743 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
744 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
748 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
749 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
750 int err
= nla_parse_nested(
751 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
752 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
753 nl80211_key_default_policy
);
757 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
758 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
764 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
768 memset(k
, 0, sizeof(*k
));
772 if (info
->attrs
[NL80211_ATTR_KEY
])
773 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
775 err
= nl80211_parse_key_old(info
, k
);
780 if (k
->def
&& k
->defmgmt
)
784 if (k
->def_uni
|| !k
->def_multi
)
790 if (k
->idx
< 4 || k
->idx
> 5)
793 if (k
->idx
< 0 || k
->idx
> 3)
796 if (k
->idx
< 0 || k
->idx
> 5)
804 static struct cfg80211_cached_keys
*
805 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
806 struct nlattr
*keys
, bool *no_ht
)
808 struct key_parse parse
;
810 struct cfg80211_cached_keys
*result
;
811 int rem
, err
, def
= 0;
813 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
815 return ERR_PTR(-ENOMEM
);
818 result
->defmgmt
= -1;
820 nla_for_each_nested(key
, keys
, rem
) {
821 memset(&parse
, 0, sizeof(parse
));
824 err
= nl80211_parse_key_new(key
, &parse
);
830 if (parse
.idx
< 0 || parse
.idx
> 4)
836 result
->def
= parse
.idx
;
837 if (!parse
.def_uni
|| !parse
.def_multi
)
839 } else if (parse
.defmgmt
)
841 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
842 parse
.idx
, false, NULL
);
845 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
846 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
847 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
848 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
850 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
851 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
863 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
865 ASSERT_WDEV_LOCK(wdev
);
867 switch (wdev
->iftype
) {
868 case NL80211_IFTYPE_AP
:
869 case NL80211_IFTYPE_AP_VLAN
:
870 case NL80211_IFTYPE_P2P_GO
:
871 case NL80211_IFTYPE_MESH_POINT
:
873 case NL80211_IFTYPE_ADHOC
:
874 case NL80211_IFTYPE_STATION
:
875 case NL80211_IFTYPE_P2P_CLIENT
:
876 if (!wdev
->current_bss
)
886 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
889 struct ieee80211_channel
*chan
;
893 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
894 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
899 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
901 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
905 goto nla_put_failure
;
909 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
910 goto nla_put_failure
;
915 nla_nest_end(msg
, nl_modes
);
922 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
926 struct nlattr
*nl_combis
;
929 nl_combis
= nla_nest_start(msg
,
930 NL80211_ATTR_INTERFACE_COMBINATIONS
);
932 goto nla_put_failure
;
934 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
935 const struct ieee80211_iface_combination
*c
;
936 struct nlattr
*nl_combi
, *nl_limits
;
938 c
= &wiphy
->iface_combinations
[i
];
940 nl_combi
= nla_nest_start(msg
, i
+ 1);
942 goto nla_put_failure
;
944 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
946 goto nla_put_failure
;
948 for (j
= 0; j
< c
->n_limits
; j
++) {
949 struct nlattr
*nl_limit
;
951 nl_limit
= nla_nest_start(msg
, j
+ 1);
953 goto nla_put_failure
;
954 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
956 goto nla_put_failure
;
957 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
959 goto nla_put_failure
;
960 nla_nest_end(msg
, nl_limit
);
963 nla_nest_end(msg
, nl_limits
);
965 if (c
->beacon_int_infra_match
&&
966 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
967 goto nla_put_failure
;
968 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
969 c
->num_different_channels
) ||
970 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
972 goto nla_put_failure
;
974 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
975 c
->radar_detect_widths
) ||
976 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
977 c
->radar_detect_regions
)))
978 goto nla_put_failure
;
980 nla_nest_end(msg
, nl_combi
);
983 nla_nest_end(msg
, nl_combis
);
991 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
994 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
995 struct nlattr
*nl_tcp
;
1000 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1004 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1005 tcp
->data_payload_max
))
1008 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1009 tcp
->data_payload_max
))
1012 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1015 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1016 sizeof(*tcp
->tok
), tcp
->tok
))
1019 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1020 tcp
->data_interval_max
))
1023 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1024 tcp
->wake_payload_max
))
1027 nla_nest_end(msg
, nl_tcp
);
1031 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1032 struct cfg80211_registered_device
*rdev
,
1035 struct nlattr
*nl_wowlan
;
1037 if (!rdev
->wiphy
.wowlan
)
1040 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1044 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1045 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1046 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1047 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1048 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1049 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1050 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1051 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1052 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1053 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1054 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1055 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1056 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1057 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1058 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1059 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1062 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1063 struct nl80211_pattern_support pat
= {
1064 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1065 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1066 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1067 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1070 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1075 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1078 nla_nest_end(msg
, nl_wowlan
);
1084 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1085 struct cfg80211_registered_device
*rdev
)
1087 struct nl80211_coalesce_rule_support rule
;
1089 if (!rdev
->wiphy
.coalesce
)
1092 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1093 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1094 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1095 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1096 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1097 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1099 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1105 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1106 struct ieee80211_supported_band
*sband
)
1108 struct nlattr
*nl_rates
, *nl_rate
;
1109 struct ieee80211_rate
*rate
;
1113 if (sband
->ht_cap
.ht_supported
&&
1114 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1115 sizeof(sband
->ht_cap
.mcs
),
1116 &sband
->ht_cap
.mcs
) ||
1117 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1118 sband
->ht_cap
.cap
) ||
1119 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1120 sband
->ht_cap
.ampdu_factor
) ||
1121 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1122 sband
->ht_cap
.ampdu_density
)))
1126 if (sband
->vht_cap
.vht_supported
&&
1127 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1128 sizeof(sband
->vht_cap
.vht_mcs
),
1129 &sband
->vht_cap
.vht_mcs
) ||
1130 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1131 sband
->vht_cap
.cap
)))
1135 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1139 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1140 nl_rate
= nla_nest_start(msg
, i
);
1144 rate
= &sband
->bitrates
[i
];
1145 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1148 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1150 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1153 nla_nest_end(msg
, nl_rate
);
1156 nla_nest_end(msg
, nl_rates
);
1162 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1163 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1166 struct nlattr
*nl_ftypes
, *nl_ifs
;
1167 enum nl80211_iftype ift
;
1173 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1177 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1178 nl_ftypes
= nla_nest_start(msg
, ift
);
1182 stypes
= mgmt_stypes
[ift
].tx
;
1185 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1186 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1191 nla_nest_end(msg
, nl_ftypes
);
1194 nla_nest_end(msg
, nl_ifs
);
1196 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1200 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1201 nl_ftypes
= nla_nest_start(msg
, ift
);
1205 stypes
= mgmt_stypes
[ift
].rx
;
1208 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1209 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1214 nla_nest_end(msg
, nl_ftypes
);
1216 nla_nest_end(msg
, nl_ifs
);
1221 struct nl80211_dump_wiphy_state
{
1224 long split_start
, band_start
, chan_start
;
1228 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1229 enum nl80211_commands cmd
,
1230 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1231 int flags
, struct nl80211_dump_wiphy_state
*state
)
1234 struct nlattr
*nl_bands
, *nl_band
;
1235 struct nlattr
*nl_freqs
, *nl_freq
;
1236 struct nlattr
*nl_cmds
;
1237 enum ieee80211_band band
;
1238 struct ieee80211_channel
*chan
;
1240 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1241 rdev
->wiphy
.mgmt_stypes
;
1244 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1248 if (WARN_ON(!state
))
1251 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1252 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1253 wiphy_name(&rdev
->wiphy
)) ||
1254 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1255 cfg80211_rdev_list_generation
))
1256 goto nla_put_failure
;
1258 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1261 switch (state
->split_start
) {
1263 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1264 rdev
->wiphy
.retry_short
) ||
1265 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1266 rdev
->wiphy
.retry_long
) ||
1267 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1268 rdev
->wiphy
.frag_threshold
) ||
1269 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1270 rdev
->wiphy
.rts_threshold
) ||
1271 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1272 rdev
->wiphy
.coverage_class
) ||
1273 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1274 rdev
->wiphy
.max_scan_ssids
) ||
1275 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1276 rdev
->wiphy
.max_sched_scan_ssids
) ||
1277 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1278 rdev
->wiphy
.max_scan_ie_len
) ||
1279 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1280 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1281 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1282 rdev
->wiphy
.max_match_sets
))
1283 goto nla_put_failure
;
1285 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1286 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1287 goto nla_put_failure
;
1288 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1289 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1290 goto nla_put_failure
;
1291 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1292 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1293 goto nla_put_failure
;
1294 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1295 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1296 goto nla_put_failure
;
1297 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1298 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1299 goto nla_put_failure
;
1300 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1301 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1302 goto nla_put_failure
;
1303 state
->split_start
++;
1307 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1308 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1309 rdev
->wiphy
.cipher_suites
))
1310 goto nla_put_failure
;
1312 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1313 rdev
->wiphy
.max_num_pmkids
))
1314 goto nla_put_failure
;
1316 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1317 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1318 goto nla_put_failure
;
1320 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1321 rdev
->wiphy
.available_antennas_tx
) ||
1322 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1323 rdev
->wiphy
.available_antennas_rx
))
1324 goto nla_put_failure
;
1326 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1327 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1328 rdev
->wiphy
.probe_resp_offload
))
1329 goto nla_put_failure
;
1331 if ((rdev
->wiphy
.available_antennas_tx
||
1332 rdev
->wiphy
.available_antennas_rx
) &&
1333 rdev
->ops
->get_antenna
) {
1334 u32 tx_ant
= 0, rx_ant
= 0;
1336 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1338 if (nla_put_u32(msg
,
1339 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1342 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1344 goto nla_put_failure
;
1348 state
->split_start
++;
1352 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1353 rdev
->wiphy
.interface_modes
))
1354 goto nla_put_failure
;
1355 state
->split_start
++;
1359 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1361 goto nla_put_failure
;
1363 for (band
= state
->band_start
;
1364 band
< IEEE80211_NUM_BANDS
; band
++) {
1365 struct ieee80211_supported_band
*sband
;
1367 sband
= rdev
->wiphy
.bands
[band
];
1372 nl_band
= nla_nest_start(msg
, band
);
1374 goto nla_put_failure
;
1376 switch (state
->chan_start
) {
1378 if (nl80211_send_band_rateinfo(msg
, sband
))
1379 goto nla_put_failure
;
1380 state
->chan_start
++;
1384 /* add frequencies */
1385 nl_freqs
= nla_nest_start(
1386 msg
, NL80211_BAND_ATTR_FREQS
);
1388 goto nla_put_failure
;
1390 for (i
= state
->chan_start
- 1;
1391 i
< sband
->n_channels
;
1393 nl_freq
= nla_nest_start(msg
, i
);
1395 goto nla_put_failure
;
1397 chan
= &sband
->channels
[i
];
1399 if (nl80211_msg_put_channel(
1402 goto nla_put_failure
;
1404 nla_nest_end(msg
, nl_freq
);
1408 if (i
< sband
->n_channels
)
1409 state
->chan_start
= i
+ 2;
1411 state
->chan_start
= 0;
1412 nla_nest_end(msg
, nl_freqs
);
1415 nla_nest_end(msg
, nl_band
);
1418 /* start again here */
1419 if (state
->chan_start
)
1424 nla_nest_end(msg
, nl_bands
);
1426 if (band
< IEEE80211_NUM_BANDS
)
1427 state
->band_start
= band
+ 1;
1429 state
->band_start
= 0;
1431 /* if bands & channels are done, continue outside */
1432 if (state
->band_start
== 0 && state
->chan_start
== 0)
1433 state
->split_start
++;
1437 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1439 goto nla_put_failure
;
1442 #define CMD(op, n) \
1444 if (rdev->ops->op) { \
1446 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1447 goto nla_put_failure; \
1451 CMD(add_virtual_intf
, NEW_INTERFACE
);
1452 CMD(change_virtual_intf
, SET_INTERFACE
);
1453 CMD(add_key
, NEW_KEY
);
1454 CMD(start_ap
, START_AP
);
1455 CMD(add_station
, NEW_STATION
);
1456 CMD(add_mpath
, NEW_MPATH
);
1457 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1458 CMD(change_bss
, SET_BSS
);
1459 CMD(auth
, AUTHENTICATE
);
1460 CMD(assoc
, ASSOCIATE
);
1461 CMD(deauth
, DEAUTHENTICATE
);
1462 CMD(disassoc
, DISASSOCIATE
);
1463 CMD(join_ibss
, JOIN_IBSS
);
1464 CMD(join_mesh
, JOIN_MESH
);
1465 CMD(set_pmksa
, SET_PMKSA
);
1466 CMD(del_pmksa
, DEL_PMKSA
);
1467 CMD(flush_pmksa
, FLUSH_PMKSA
);
1468 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1469 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1470 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1471 CMD(mgmt_tx
, FRAME
);
1472 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1473 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1475 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1476 goto nla_put_failure
;
1478 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1479 rdev
->ops
->join_mesh
) {
1481 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1482 goto nla_put_failure
;
1484 CMD(set_wds_peer
, SET_WDS_PEER
);
1485 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1486 CMD(tdls_mgmt
, TDLS_MGMT
);
1487 CMD(tdls_oper
, TDLS_OPER
);
1489 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1490 CMD(sched_scan_start
, START_SCHED_SCAN
);
1491 CMD(probe_client
, PROBE_CLIENT
);
1492 CMD(set_noack_map
, SET_NOACK_MAP
);
1493 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1495 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1496 goto nla_put_failure
;
1498 CMD(start_p2p_device
, START_P2P_DEVICE
);
1499 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1501 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1502 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1503 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1504 CMD(channel_switch
, CHANNEL_SWITCH
);
1506 CMD(set_qos_map
, SET_QOS_MAP
);
1508 #ifdef CONFIG_NL80211_TESTMODE
1509 CMD(testmode_cmd
, TESTMODE
);
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)
3820 /* When you run into this, adjust the code below for the new flag */
3821 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3824 case CFG80211_STA_MESH_PEER_KERNEL
:
3825 case CFG80211_STA_MESH_PEER_USER
:
3827 * No ignoring the TDLS flag here -- the userspace mesh
3828 * code doesn't have the bug of including TDLS in the
3831 if (params
->sta_flags_mask
&
3832 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3833 BIT(NL80211_STA_FLAG_MFP
) |
3834 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3837 case CFG80211_STA_TDLS_PEER_SETUP
:
3838 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3839 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3841 /* ignore since it can't change */
3842 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3845 /* disallow mesh-specific things */
3846 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3848 if (params
->local_pm
)
3850 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3854 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3855 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3856 /* TDLS can't be set, ... */
3857 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3860 * ... but don't bother the driver with it. This works around
3861 * a hostapd/wpa_supplicant issue -- it always includes the
3862 * TLDS_PEER flag in the mask even for AP mode.
3864 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3867 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3868 /* reject other things that can't change */
3869 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3871 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3873 if (params
->supported_rates
)
3875 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3879 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3885 case CFG80211_STA_AP_MLME_CLIENT
:
3886 /* Use this only for authorizing/unauthorizing a station */
3887 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3890 case CFG80211_STA_AP_CLIENT
:
3891 /* accept only the listed bits */
3892 if (params
->sta_flags_mask
&
3893 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3894 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3895 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3896 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3897 BIT(NL80211_STA_FLAG_WME
) |
3898 BIT(NL80211_STA_FLAG_MFP
)))
3901 /* but authenticated/associated only if driver handles it */
3902 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3903 params
->sta_flags_mask
&
3904 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3905 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3908 case CFG80211_STA_IBSS
:
3909 case CFG80211_STA_AP_STA
:
3910 /* reject any changes other than AUTHORIZED */
3911 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3914 case CFG80211_STA_TDLS_PEER_SETUP
:
3915 /* reject any changes other than AUTHORIZED or WME */
3916 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3917 BIT(NL80211_STA_FLAG_WME
)))
3919 /* force (at least) rates when authorizing */
3920 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3921 !params
->supported_rates
)
3924 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3925 /* reject any changes */
3927 case CFG80211_STA_MESH_PEER_KERNEL
:
3928 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3931 case CFG80211_STA_MESH_PEER_USER
:
3932 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3939 EXPORT_SYMBOL(cfg80211_check_station_change
);
3942 * Get vlan interface making sure it is running and on the right wiphy.
3944 static struct net_device
*get_vlan(struct genl_info
*info
,
3945 struct cfg80211_registered_device
*rdev
)
3947 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3948 struct net_device
*v
;
3954 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3956 return ERR_PTR(-ENODEV
);
3958 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3963 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3964 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3965 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3970 if (!netif_running(v
)) {
3978 return ERR_PTR(ret
);
3981 static const struct nla_policy
3982 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
3983 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3984 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3987 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3988 struct station_parameters
*params
)
3990 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3994 /* parse WME attributes if present */
3995 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3998 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3999 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4000 nl80211_sta_wme_policy
);
4004 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4005 params
->uapsd_queues
= nla_get_u8(
4006 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4007 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4010 if (tb
[NL80211_STA_WME_MAX_SP
])
4011 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4013 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4016 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4021 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4022 struct station_parameters
*params
)
4024 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4025 params
->supported_channels
=
4026 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4027 params
->supported_channels_len
=
4028 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4030 * Need to include at least one (first channel, number of
4031 * channels) tuple for each subband, and must have proper
4032 * tuples for the rest of the data as well.
4034 if (params
->supported_channels_len
< 2)
4036 if (params
->supported_channels_len
% 2)
4040 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4041 params
->supported_oper_classes
=
4042 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4043 params
->supported_oper_classes_len
=
4044 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4046 * The value of the Length field of the Supported Operating
4047 * Classes element is between 2 and 253.
4049 if (params
->supported_oper_classes_len
< 2 ||
4050 params
->supported_oper_classes_len
> 253)
4056 static int nl80211_set_station_tdls(struct genl_info
*info
,
4057 struct station_parameters
*params
)
4060 /* Dummy STA entry gets updated once the peer capabilities are known */
4061 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4062 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4063 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4065 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4066 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4068 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4070 err
= nl80211_parse_sta_channel_info(info
, params
);
4074 return nl80211_parse_sta_wme(info
, params
);
4077 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4079 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4080 struct net_device
*dev
= info
->user_ptr
[1];
4081 struct station_parameters params
;
4085 memset(¶ms
, 0, sizeof(params
));
4087 params
.listen_interval
= -1;
4089 if (!rdev
->ops
->change_station
)
4092 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4095 if (!info
->attrs
[NL80211_ATTR_MAC
])
4098 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4100 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4101 params
.supported_rates
=
4102 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4103 params
.supported_rates_len
=
4104 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4107 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4109 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4110 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4113 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4115 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4116 params
.ext_capab_len
=
4117 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4120 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4123 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4126 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4127 params
.plink_action
=
4128 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4129 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4133 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4134 params
.plink_state
=
4135 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4136 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4138 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4141 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4142 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4143 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4145 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4146 pm
> NL80211_MESH_POWER_MAX
)
4149 params
.local_pm
= pm
;
4152 /* Include parameters for TDLS peer (will check later) */
4153 err
= nl80211_set_station_tdls(info
, ¶ms
);
4157 params
.vlan
= get_vlan(info
, rdev
);
4158 if (IS_ERR(params
.vlan
))
4159 return PTR_ERR(params
.vlan
);
4161 switch (dev
->ieee80211_ptr
->iftype
) {
4162 case NL80211_IFTYPE_AP
:
4163 case NL80211_IFTYPE_AP_VLAN
:
4164 case NL80211_IFTYPE_P2P_GO
:
4165 case NL80211_IFTYPE_P2P_CLIENT
:
4166 case NL80211_IFTYPE_STATION
:
4167 case NL80211_IFTYPE_ADHOC
:
4168 case NL80211_IFTYPE_MESH_POINT
:
4175 /* driver will call cfg80211_check_station_change() */
4176 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4180 dev_put(params
.vlan
);
4185 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4187 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4189 struct net_device
*dev
= info
->user_ptr
[1];
4190 struct station_parameters params
;
4191 u8
*mac_addr
= NULL
;
4193 memset(¶ms
, 0, sizeof(params
));
4195 if (!rdev
->ops
->add_station
)
4198 if (!info
->attrs
[NL80211_ATTR_MAC
])
4201 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4204 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4207 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4208 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4211 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4212 params
.supported_rates
=
4213 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4214 params
.supported_rates_len
=
4215 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4216 params
.listen_interval
=
4217 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4219 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4220 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4222 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4223 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4226 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4228 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4229 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4232 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4234 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4235 params
.ext_capab_len
=
4236 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4239 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4241 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4243 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4245 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4247 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4248 params
.opmode_notif_used
= true;
4249 params
.opmode_notif
=
4250 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4253 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4254 params
.plink_action
=
4255 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4256 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4260 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4264 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4268 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4271 /* When you run into this, adjust the code below for the new flag */
4272 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4274 switch (dev
->ieee80211_ptr
->iftype
) {
4275 case NL80211_IFTYPE_AP
:
4276 case NL80211_IFTYPE_AP_VLAN
:
4277 case NL80211_IFTYPE_P2P_GO
:
4278 /* ignore WME attributes if iface/sta is not capable */
4279 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4280 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4281 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4283 /* TDLS peers cannot be added */
4284 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4285 info
->attrs
[NL80211_ATTR_PEER_AID
])
4287 /* but don't bother the driver with it */
4288 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4290 /* allow authenticated/associated only if driver handles it */
4291 if (!(rdev
->wiphy
.features
&
4292 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4293 params
.sta_flags_mask
&
4294 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4295 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4298 /* must be last in here for error handling */
4299 params
.vlan
= get_vlan(info
, rdev
);
4300 if (IS_ERR(params
.vlan
))
4301 return PTR_ERR(params
.vlan
);
4303 case NL80211_IFTYPE_MESH_POINT
:
4304 /* ignore uAPSD data */
4305 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4307 /* associated is disallowed */
4308 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4310 /* TDLS peers cannot be added */
4311 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4312 info
->attrs
[NL80211_ATTR_PEER_AID
])
4315 case NL80211_IFTYPE_STATION
:
4316 case NL80211_IFTYPE_P2P_CLIENT
:
4317 /* ignore uAPSD data */
4318 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4320 /* these are disallowed */
4321 if (params
.sta_flags_mask
&
4322 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4323 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4325 /* Only TDLS peers can be added */
4326 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4328 /* Can only add if TDLS ... */
4329 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4331 /* ... with external setup is supported */
4332 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4335 * Older wpa_supplicant versions always mark the TDLS peer
4336 * as authorized, but it shouldn't yet be.
4338 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4344 /* be aware of params.vlan when changing code here */
4346 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4349 dev_put(params
.vlan
);
4353 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4355 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4356 struct net_device
*dev
= info
->user_ptr
[1];
4357 u8
*mac_addr
= NULL
;
4359 if (info
->attrs
[NL80211_ATTR_MAC
])
4360 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4362 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4363 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4364 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4365 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4368 if (!rdev
->ops
->del_station
)
4371 return rdev_del_station(rdev
, dev
, mac_addr
);
4374 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4375 int flags
, struct net_device
*dev
,
4376 u8
*dst
, u8
*next_hop
,
4377 struct mpath_info
*pinfo
)
4380 struct nlattr
*pinfoattr
;
4382 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4386 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4387 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4388 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4389 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4390 goto nla_put_failure
;
4392 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4394 goto nla_put_failure
;
4395 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4396 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4398 goto nla_put_failure
;
4399 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4400 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4401 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4402 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4404 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4405 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4407 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4408 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4410 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4411 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4412 pinfo
->discovery_timeout
)) ||
4413 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4414 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4415 pinfo
->discovery_retries
)))
4416 goto nla_put_failure
;
4418 nla_nest_end(msg
, pinfoattr
);
4420 return genlmsg_end(msg
, hdr
);
4423 genlmsg_cancel(msg
, hdr
);
4427 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4428 struct netlink_callback
*cb
)
4430 struct mpath_info pinfo
;
4431 struct cfg80211_registered_device
*rdev
;
4432 struct wireless_dev
*wdev
;
4434 u8 next_hop
[ETH_ALEN
];
4435 int path_idx
= cb
->args
[2];
4438 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4442 if (!rdev
->ops
->dump_mpath
) {
4447 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4453 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4460 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4461 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4462 wdev
->netdev
, dst
, next_hop
,
4471 cb
->args
[2] = path_idx
;
4474 nl80211_finish_wdev_dump(rdev
);
4478 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4480 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4482 struct net_device
*dev
= info
->user_ptr
[1];
4483 struct mpath_info pinfo
;
4484 struct sk_buff
*msg
;
4486 u8 next_hop
[ETH_ALEN
];
4488 memset(&pinfo
, 0, sizeof(pinfo
));
4490 if (!info
->attrs
[NL80211_ATTR_MAC
])
4493 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4495 if (!rdev
->ops
->get_mpath
)
4498 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4501 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4505 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4509 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4510 dev
, dst
, next_hop
, &pinfo
) < 0) {
4515 return genlmsg_reply(msg
, info
);
4518 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4520 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4521 struct net_device
*dev
= info
->user_ptr
[1];
4523 u8
*next_hop
= NULL
;
4525 if (!info
->attrs
[NL80211_ATTR_MAC
])
4528 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4531 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4532 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4534 if (!rdev
->ops
->change_mpath
)
4537 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4540 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4543 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4545 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4546 struct net_device
*dev
= info
->user_ptr
[1];
4548 u8
*next_hop
= NULL
;
4550 if (!info
->attrs
[NL80211_ATTR_MAC
])
4553 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4556 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4557 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4559 if (!rdev
->ops
->add_mpath
)
4562 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4565 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4568 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4570 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4571 struct net_device
*dev
= info
->user_ptr
[1];
4574 if (info
->attrs
[NL80211_ATTR_MAC
])
4575 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4577 if (!rdev
->ops
->del_mpath
)
4580 return rdev_del_mpath(rdev
, dev
, dst
);
4583 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4585 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4586 struct net_device
*dev
= info
->user_ptr
[1];
4587 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4588 struct bss_parameters params
;
4591 memset(¶ms
, 0, sizeof(params
));
4592 /* default to not changing parameters */
4593 params
.use_cts_prot
= -1;
4594 params
.use_short_preamble
= -1;
4595 params
.use_short_slot_time
= -1;
4596 params
.ap_isolate
= -1;
4597 params
.ht_opmode
= -1;
4598 params
.p2p_ctwindow
= -1;
4599 params
.p2p_opp_ps
= -1;
4601 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4602 params
.use_cts_prot
=
4603 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4604 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4605 params
.use_short_preamble
=
4606 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4607 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4608 params
.use_short_slot_time
=
4609 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4610 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4611 params
.basic_rates
=
4612 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4613 params
.basic_rates_len
=
4614 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4616 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4617 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4618 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4620 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4622 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4623 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4625 params
.p2p_ctwindow
=
4626 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4627 if (params
.p2p_ctwindow
< 0)
4629 if (params
.p2p_ctwindow
!= 0 &&
4630 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4634 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4637 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4639 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4642 params
.p2p_opp_ps
= tmp
;
4643 if (params
.p2p_opp_ps
&&
4644 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4648 if (!rdev
->ops
->change_bss
)
4651 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4652 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4656 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4662 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4663 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4664 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4665 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4666 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4667 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4668 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4669 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4672 static int parse_reg_rule(struct nlattr
*tb
[],
4673 struct ieee80211_reg_rule
*reg_rule
)
4675 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4676 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4678 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4680 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4682 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4684 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4686 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4689 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4691 freq_range
->start_freq_khz
=
4692 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4693 freq_range
->end_freq_khz
=
4694 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4695 freq_range
->max_bandwidth_khz
=
4696 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4698 power_rule
->max_eirp
=
4699 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4701 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4702 power_rule
->max_antenna_gain
=
4703 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4705 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4706 reg_rule
->dfs_cac_ms
=
4707 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4712 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4715 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4718 * You should only get this when cfg80211 hasn't yet initialized
4719 * completely when built-in to the kernel right between the time
4720 * window between nl80211_init() and regulatory_init(), if that is
4723 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4724 return -EINPROGRESS
;
4726 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4727 user_reg_hint_type
=
4728 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4730 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4732 switch (user_reg_hint_type
) {
4733 case NL80211_USER_REG_HINT_USER
:
4734 case NL80211_USER_REG_HINT_CELL_BASE
:
4735 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4738 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4739 return regulatory_hint_user(data
, user_reg_hint_type
);
4740 case NL80211_USER_REG_HINT_INDOOR
:
4741 return regulatory_hint_indoor_user();
4747 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4748 struct genl_info
*info
)
4750 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4751 struct net_device
*dev
= info
->user_ptr
[1];
4752 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4753 struct mesh_config cur_params
;
4756 struct nlattr
*pinfoattr
;
4757 struct sk_buff
*msg
;
4759 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4762 if (!rdev
->ops
->get_mesh_config
)
4766 /* If not connected, get default parameters */
4767 if (!wdev
->mesh_id_len
)
4768 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4770 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4776 /* Draw up a netlink message to send back */
4777 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4780 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4781 NL80211_CMD_GET_MESH_CONFIG
);
4784 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4786 goto nla_put_failure
;
4787 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4788 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4789 cur_params
.dot11MeshRetryTimeout
) ||
4790 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4791 cur_params
.dot11MeshConfirmTimeout
) ||
4792 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4793 cur_params
.dot11MeshHoldingTimeout
) ||
4794 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4795 cur_params
.dot11MeshMaxPeerLinks
) ||
4796 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4797 cur_params
.dot11MeshMaxRetries
) ||
4798 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4799 cur_params
.dot11MeshTTL
) ||
4800 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4801 cur_params
.element_ttl
) ||
4802 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4803 cur_params
.auto_open_plinks
) ||
4804 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4805 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4806 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4807 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4808 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4809 cur_params
.path_refresh_time
) ||
4810 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4811 cur_params
.min_discovery_timeout
) ||
4812 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4813 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4814 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4815 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4816 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4817 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4818 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4819 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4820 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4821 cur_params
.dot11MeshHWMPRootMode
) ||
4822 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4823 cur_params
.dot11MeshHWMPRannInterval
) ||
4824 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4825 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4826 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4827 cur_params
.dot11MeshForwarding
) ||
4828 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4829 cur_params
.rssi_threshold
) ||
4830 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4831 cur_params
.ht_opmode
) ||
4832 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4833 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4834 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4835 cur_params
.dot11MeshHWMProotInterval
) ||
4836 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4837 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4838 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4839 cur_params
.power_mode
) ||
4840 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4841 cur_params
.dot11MeshAwakeWindowDuration
) ||
4842 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4843 cur_params
.plink_timeout
))
4844 goto nla_put_failure
;
4845 nla_nest_end(msg
, pinfoattr
);
4846 genlmsg_end(msg
, hdr
);
4847 return genlmsg_reply(msg
, info
);
4850 genlmsg_cancel(msg
, hdr
);
4856 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4857 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4858 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4859 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4860 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4861 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4862 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4863 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4864 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4865 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4866 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4867 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4868 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4869 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4870 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4871 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4872 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4873 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4874 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4875 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4876 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4877 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4878 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4879 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4880 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4881 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4882 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4883 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4884 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4887 static const struct nla_policy
4888 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4889 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4890 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4891 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4892 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4893 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4894 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4895 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4896 .len
= IEEE80211_MAX_DATA_LEN
},
4897 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4900 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4901 struct mesh_config
*cfg
,
4904 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4907 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4910 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4912 cfg->param = fn(tb[attr]); \
4913 mask |= (1 << (attr - 1)); \
4918 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4920 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4921 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4922 nl80211_meshconf_params_policy
))
4925 /* This makes sure that there aren't more than 32 mesh config
4926 * parameters (otherwise our bitfield scheme would not work.) */
4927 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4929 /* Fill in the params struct */
4930 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4931 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4933 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4934 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4936 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4937 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4939 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4940 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4942 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4943 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4945 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4946 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4947 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4948 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4950 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4951 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4953 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4955 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4957 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4958 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4960 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4961 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4963 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4964 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4966 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4968 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4970 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4972 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4974 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4976 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4978 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4979 dot11MeshHWMPnetDiameterTraversalTime
,
4981 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4983 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4984 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4986 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4987 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4989 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4990 dot11MeshGateAnnouncementProtocol
, 0, 1,
4991 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4993 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4994 mask
, NL80211_MESHCONF_FORWARDING
,
4996 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4997 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4999 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5000 mask
, NL80211_MESHCONF_HT_OPMODE
,
5002 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5004 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5006 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5007 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5009 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5010 dot11MeshHWMPconfirmationInterval
,
5012 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5014 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5015 NL80211_MESH_POWER_ACTIVE
,
5016 NL80211_MESH_POWER_MAX
,
5017 mask
, NL80211_MESHCONF_POWER_MODE
,
5019 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5021 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5022 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5023 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5030 #undef FILL_IN_MESH_PARAM_IF_SET
5033 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5034 struct mesh_setup
*setup
)
5036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5037 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5039 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5041 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5042 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5043 nl80211_mesh_setup_params_policy
))
5046 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5047 setup
->sync_method
=
5048 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5049 IEEE80211_SYNC_METHOD_VENDOR
:
5050 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5052 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5053 setup
->path_sel_proto
=
5054 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5055 IEEE80211_PATH_PROTOCOL_VENDOR
:
5056 IEEE80211_PATH_PROTOCOL_HWMP
;
5058 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5059 setup
->path_metric
=
5060 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5061 IEEE80211_PATH_METRIC_VENDOR
:
5062 IEEE80211_PATH_METRIC_AIRTIME
;
5065 if (tb
[NL80211_MESH_SETUP_IE
]) {
5066 struct nlattr
*ieattr
=
5067 tb
[NL80211_MESH_SETUP_IE
];
5068 if (!is_valid_ie_attr(ieattr
))
5070 setup
->ie
= nla_data(ieattr
);
5071 setup
->ie_len
= nla_len(ieattr
);
5073 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5074 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5076 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5077 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5078 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5079 if (setup
->is_secure
)
5080 setup
->user_mpm
= true;
5082 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5083 if (!setup
->user_mpm
)
5086 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5092 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5093 struct genl_info
*info
)
5095 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5096 struct net_device
*dev
= info
->user_ptr
[1];
5097 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5098 struct mesh_config cfg
;
5102 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5105 if (!rdev
->ops
->update_mesh_config
)
5108 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5113 if (!wdev
->mesh_id_len
)
5117 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5124 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5126 const struct ieee80211_regdomain
*regdom
;
5127 struct sk_buff
*msg
;
5129 struct nlattr
*nl_reg_rules
;
5132 if (!cfg80211_regdomain
)
5135 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5139 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5140 NL80211_CMD_GET_REG
);
5144 if (reg_last_request_cell_base() &&
5145 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5146 NL80211_USER_REG_HINT_CELL_BASE
))
5147 goto nla_put_failure
;
5150 regdom
= rcu_dereference(cfg80211_regdomain
);
5152 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5153 (regdom
->dfs_region
&&
5154 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5155 goto nla_put_failure_rcu
;
5157 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5159 goto nla_put_failure_rcu
;
5161 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5162 struct nlattr
*nl_reg_rule
;
5163 const struct ieee80211_reg_rule
*reg_rule
;
5164 const struct ieee80211_freq_range
*freq_range
;
5165 const struct ieee80211_power_rule
*power_rule
;
5166 unsigned int max_bandwidth_khz
;
5168 reg_rule
= ®dom
->reg_rules
[i
];
5169 freq_range
= ®_rule
->freq_range
;
5170 power_rule
= ®_rule
->power_rule
;
5172 nl_reg_rule
= nla_nest_start(msg
, i
);
5174 goto nla_put_failure_rcu
;
5176 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5177 if (!max_bandwidth_khz
)
5178 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5181 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5183 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5184 freq_range
->start_freq_khz
) ||
5185 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5186 freq_range
->end_freq_khz
) ||
5187 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5188 max_bandwidth_khz
) ||
5189 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5190 power_rule
->max_antenna_gain
) ||
5191 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5192 power_rule
->max_eirp
) ||
5193 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5194 reg_rule
->dfs_cac_ms
))
5195 goto nla_put_failure_rcu
;
5197 nla_nest_end(msg
, nl_reg_rule
);
5201 nla_nest_end(msg
, nl_reg_rules
);
5203 genlmsg_end(msg
, hdr
);
5204 return genlmsg_reply(msg
, info
);
5206 nla_put_failure_rcu
:
5209 genlmsg_cancel(msg
, hdr
);
5215 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5217 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5218 struct nlattr
*nl_reg_rule
;
5219 char *alpha2
= NULL
;
5220 int rem_reg_rules
= 0, r
= 0;
5221 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5222 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5223 struct ieee80211_regdomain
*rd
= NULL
;
5225 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5228 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5231 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5233 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5234 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5236 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5239 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5243 if (!reg_is_valid_request(alpha2
))
5246 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5247 num_rules
* sizeof(struct ieee80211_reg_rule
);
5249 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5253 rd
->n_reg_rules
= num_rules
;
5254 rd
->alpha2
[0] = alpha2
[0];
5255 rd
->alpha2
[1] = alpha2
[1];
5258 * Disable DFS master mode if the DFS region was
5259 * not supported or known on this kernel.
5261 if (reg_supported_dfs_region(dfs_region
))
5262 rd
->dfs_region
= dfs_region
;
5264 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5266 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5267 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5271 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5277 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5284 /* set_regdom took ownership */
5292 static int validate_scan_freqs(struct nlattr
*freqs
)
5294 struct nlattr
*attr1
, *attr2
;
5295 int n_channels
= 0, tmp1
, tmp2
;
5297 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5300 * Some hardware has a limited channel list for
5301 * scanning, and it is pretty much nonsensical
5302 * to scan for a channel twice, so disallow that
5303 * and don't require drivers to check that the
5304 * channel list they get isn't longer than what
5305 * they can scan, as long as they can scan all
5306 * the channels they registered at once.
5308 nla_for_each_nested(attr2
, freqs
, tmp2
)
5309 if (attr1
!= attr2
&&
5310 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5317 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5319 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5320 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5321 struct cfg80211_scan_request
*request
;
5322 struct nlattr
*attr
;
5323 struct wiphy
*wiphy
;
5324 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5327 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5330 wiphy
= &rdev
->wiphy
;
5332 if (!rdev
->ops
->scan
)
5335 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5340 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5341 n_channels
= validate_scan_freqs(
5342 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5348 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5351 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5352 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5355 if (n_ssids
> wiphy
->max_scan_ssids
) {
5360 if (info
->attrs
[NL80211_ATTR_IE
])
5361 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5365 if (ie_len
> wiphy
->max_scan_ie_len
) {
5370 request
= kzalloc(sizeof(*request
)
5371 + sizeof(*request
->ssids
) * n_ssids
5372 + sizeof(*request
->channels
) * n_channels
5373 + ie_len
, GFP_KERNEL
);
5380 request
->ssids
= (void *)&request
->channels
[n_channels
];
5381 request
->n_ssids
= n_ssids
;
5384 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5386 request
->ie
= (void *)(request
->channels
+ n_channels
);
5390 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5391 /* user specified, bail out if channel not found */
5392 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5393 struct ieee80211_channel
*chan
;
5395 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5402 /* ignore disabled channels */
5403 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5406 request
->channels
[i
] = chan
;
5410 enum ieee80211_band band
;
5413 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5415 if (!wiphy
->bands
[band
])
5417 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5418 struct ieee80211_channel
*chan
;
5420 chan
= &wiphy
->bands
[band
]->channels
[j
];
5422 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5425 request
->channels
[i
] = chan
;
5436 request
->n_channels
= i
;
5439 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5440 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5441 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5445 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5446 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5451 if (info
->attrs
[NL80211_ATTR_IE
]) {
5452 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5453 memcpy((void *)request
->ie
,
5454 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5458 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5459 if (wiphy
->bands
[i
])
5461 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5463 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5464 nla_for_each_nested(attr
,
5465 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5467 enum ieee80211_band band
= nla_type(attr
);
5469 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5474 if (!wiphy
->bands
[band
])
5477 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5480 &request
->rates
[band
]);
5486 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5487 request
->flags
= nla_get_u32(
5488 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5489 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5490 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5497 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5499 request
->wdev
= wdev
;
5500 request
->wiphy
= &rdev
->wiphy
;
5501 request
->scan_start
= jiffies
;
5503 rdev
->scan_req
= request
;
5504 err
= rdev_scan(rdev
, request
);
5507 nl80211_send_scan_start(rdev
, wdev
);
5509 dev_hold(wdev
->netdev
);
5512 rdev
->scan_req
= NULL
;
5520 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5521 struct genl_info
*info
)
5523 struct cfg80211_sched_scan_request
*request
;
5524 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5525 struct net_device
*dev
= info
->user_ptr
[1];
5526 struct nlattr
*attr
;
5527 struct wiphy
*wiphy
;
5528 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5530 enum ieee80211_band band
;
5532 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5533 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5535 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5536 !rdev
->ops
->sched_scan_start
)
5539 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5542 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5545 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5549 wiphy
= &rdev
->wiphy
;
5551 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5552 n_channels
= validate_scan_freqs(
5553 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5557 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5560 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5561 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5565 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5569 * First, count the number of 'real' matchsets. Due to an issue with
5570 * the old implementation, matchsets containing only the RSSI attribute
5571 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5572 * RSSI for all matchsets, rather than their own matchset for reporting
5573 * all APs with a strong RSSI. This is needed to be compatible with
5574 * older userspace that treated a matchset with only the RSSI as the
5575 * global RSSI for all other matchsets - if there are other matchsets.
5577 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5578 nla_for_each_nested(attr
,
5579 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5581 struct nlattr
*rssi
;
5583 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5584 nla_data(attr
), nla_len(attr
),
5585 nl80211_match_policy
);
5588 /* add other standalone attributes here */
5589 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5593 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5595 default_match_rssi
= nla_get_s32(rssi
);
5599 /* However, if there's no other matchset, add the RSSI one */
5600 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5603 if (n_match_sets
> wiphy
->max_match_sets
)
5606 if (info
->attrs
[NL80211_ATTR_IE
])
5607 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5611 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5614 if (rdev
->sched_scan_req
) {
5619 request
= kzalloc(sizeof(*request
)
5620 + sizeof(*request
->ssids
) * n_ssids
5621 + sizeof(*request
->match_sets
) * n_match_sets
5622 + sizeof(*request
->channels
) * n_channels
5623 + ie_len
, GFP_KERNEL
);
5630 request
->ssids
= (void *)&request
->channels
[n_channels
];
5631 request
->n_ssids
= n_ssids
;
5634 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5636 request
->ie
= (void *)(request
->channels
+ n_channels
);
5641 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5642 else if (request
->ssids
)
5643 request
->match_sets
=
5644 (void *)(request
->ssids
+ n_ssids
);
5646 request
->match_sets
=
5647 (void *)(request
->channels
+ n_channels
);
5649 request
->n_match_sets
= n_match_sets
;
5652 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5653 /* user specified, bail out if channel not found */
5654 nla_for_each_nested(attr
,
5655 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5657 struct ieee80211_channel
*chan
;
5659 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5666 /* ignore disabled channels */
5667 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5670 request
->channels
[i
] = chan
;
5675 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5677 if (!wiphy
->bands
[band
])
5679 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5680 struct ieee80211_channel
*chan
;
5682 chan
= &wiphy
->bands
[band
]->channels
[j
];
5684 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5687 request
->channels
[i
] = chan
;
5698 request
->n_channels
= i
;
5701 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5702 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5704 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5708 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5709 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5716 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5717 nla_for_each_nested(attr
,
5718 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5720 struct nlattr
*ssid
, *rssi
;
5722 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5723 nla_data(attr
), nla_len(attr
),
5724 nl80211_match_policy
);
5727 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5729 if (WARN_ON(i
>= n_match_sets
)) {
5730 /* this indicates a programming error,
5731 * the loop above should have verified
5738 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5742 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5743 nla_data(ssid
), nla_len(ssid
));
5744 request
->match_sets
[i
].ssid
.ssid_len
=
5746 /* special attribute - old implemenation w/a */
5747 request
->match_sets
[i
].rssi_thold
=
5749 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5751 request
->match_sets
[i
].rssi_thold
=
5757 /* there was no other matchset, so the RSSI one is alone */
5759 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
5761 request
->min_rssi_thold
= INT_MAX
;
5762 for (i
= 0; i
< n_match_sets
; i
++)
5763 request
->min_rssi_thold
=
5764 min(request
->match_sets
[i
].rssi_thold
,
5765 request
->min_rssi_thold
);
5767 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
5771 request
->ie_len
= ie_len
;
5772 memcpy((void *)request
->ie
,
5773 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5777 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5778 request
->flags
= nla_get_u32(
5779 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5780 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5781 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5788 request
->wiphy
= &rdev
->wiphy
;
5789 request
->interval
= interval
;
5790 request
->scan_start
= jiffies
;
5792 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5794 rdev
->sched_scan_req
= request
;
5795 nl80211_send_sched_scan(rdev
, dev
,
5796 NL80211_CMD_START_SCHED_SCAN
);
5806 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5807 struct genl_info
*info
)
5809 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5811 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5812 !rdev
->ops
->sched_scan_stop
)
5815 return __cfg80211_stop_sched_scan(rdev
, false);
5818 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5819 struct genl_info
*info
)
5821 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5822 struct net_device
*dev
= info
->user_ptr
[1];
5823 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5824 struct cfg80211_chan_def chandef
;
5825 enum nl80211_dfs_regions dfs_region
;
5826 unsigned int cac_time_ms
;
5829 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5830 if (dfs_region
== NL80211_DFS_UNSET
)
5833 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5837 if (netif_carrier_ok(dev
))
5840 if (wdev
->cac_started
)
5843 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
5851 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
5854 if (!rdev
->ops
->start_radar_detection
)
5857 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
5858 if (WARN_ON(!cac_time_ms
))
5859 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
5861 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
5864 wdev
->chandef
= chandef
;
5865 wdev
->cac_started
= true;
5866 wdev
->cac_start_time
= jiffies
;
5867 wdev
->cac_time_ms
= cac_time_ms
;
5872 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5874 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5875 struct net_device
*dev
= info
->user_ptr
[1];
5876 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5877 struct cfg80211_csa_settings params
;
5878 /* csa_attrs is defined static to avoid waste of stack size - this
5879 * function is called under RTNL lock, so this should not be a problem.
5881 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5882 u8 radar_detect_width
= 0;
5884 bool need_new_beacon
= false;
5887 if (!rdev
->ops
->channel_switch
||
5888 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5891 switch (dev
->ieee80211_ptr
->iftype
) {
5892 case NL80211_IFTYPE_AP
:
5893 case NL80211_IFTYPE_P2P_GO
:
5894 need_new_beacon
= true;
5896 /* useless if AP is not running */
5897 if (!wdev
->beacon_interval
)
5900 case NL80211_IFTYPE_ADHOC
:
5901 if (!wdev
->ssid_len
)
5904 case NL80211_IFTYPE_MESH_POINT
:
5905 if (!wdev
->mesh_id_len
)
5912 memset(¶ms
, 0, sizeof(params
));
5914 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5915 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5918 /* only important for AP, IBSS and mesh create IEs internally */
5919 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5922 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5924 if (!need_new_beacon
)
5927 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5931 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5932 info
->attrs
[NL80211_ATTR_CSA_IES
],
5937 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5941 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5944 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5945 if (!len
|| (len
% sizeof(u16
)))
5948 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
5949 if (rdev
->wiphy
.max_num_csa_counters
&&
5950 (params
.n_counter_offsets_beacon
>
5951 rdev
->wiphy
.max_num_csa_counters
))
5954 params
.counter_offsets_beacon
=
5955 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5957 /* sanity checks - counters should fit and be the same */
5958 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
5959 u16 offset
= params
.counter_offsets_beacon
[i
];
5961 if (offset
>= params
.beacon_csa
.tail_len
)
5964 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
5968 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5969 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5970 if (!len
|| (len
% sizeof(u16
)))
5973 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
5974 if (rdev
->wiphy
.max_num_csa_counters
&&
5975 (params
.n_counter_offsets_beacon
>
5976 rdev
->wiphy
.max_num_csa_counters
))
5979 params
.counter_offsets_presp
=
5980 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5982 /* sanity checks - counters should fit and be the same */
5983 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
5984 u16 offset
= params
.counter_offsets_presp
[i
];
5986 if (offset
>= params
.beacon_csa
.probe_resp_len
)
5989 if (params
.beacon_csa
.probe_resp
[offset
] !=
5996 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6000 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6004 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6011 radar_detect_width
= BIT(params
.chandef
.width
);
6012 params
.radar_required
= true;
6015 /* TODO: I left this here for now. With channel switch, the
6016 * verification is a bit more complicated, because we only do
6017 * it later when the channel switch really happens.
6019 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
6020 params
.chandef
.chan
,
6022 radar_detect_width
);
6026 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6027 params
.block_tx
= true;
6030 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6036 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6038 struct cfg80211_registered_device
*rdev
,
6039 struct wireless_dev
*wdev
,
6040 struct cfg80211_internal_bss
*intbss
)
6042 struct cfg80211_bss
*res
= &intbss
->pub
;
6043 const struct cfg80211_bss_ies
*ies
;
6048 ASSERT_WDEV_LOCK(wdev
);
6050 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6051 NL80211_CMD_NEW_SCAN_RESULTS
);
6055 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6057 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6058 goto nla_put_failure
;
6060 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6061 goto nla_put_failure
;
6062 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6063 goto nla_put_failure
;
6065 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6067 goto nla_put_failure
;
6068 if ((!is_zero_ether_addr(res
->bssid
) &&
6069 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6070 goto nla_put_failure
;
6073 ies
= rcu_dereference(res
->ies
);
6075 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6076 goto fail_unlock_rcu
;
6078 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6079 ies
->len
, ies
->data
))
6080 goto fail_unlock_rcu
;
6082 ies
= rcu_dereference(res
->beacon_ies
);
6084 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6085 goto fail_unlock_rcu
;
6086 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6087 ies
->len
, ies
->data
))
6088 goto fail_unlock_rcu
;
6092 if (res
->beacon_interval
&&
6093 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6094 goto nla_put_failure
;
6095 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6096 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6097 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6098 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6099 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6100 goto nla_put_failure
;
6102 switch (rdev
->wiphy
.signal_type
) {
6103 case CFG80211_SIGNAL_TYPE_MBM
:
6104 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6105 goto nla_put_failure
;
6107 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6108 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6109 goto nla_put_failure
;
6115 switch (wdev
->iftype
) {
6116 case NL80211_IFTYPE_P2P_CLIENT
:
6117 case NL80211_IFTYPE_STATION
:
6118 if (intbss
== wdev
->current_bss
&&
6119 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6120 NL80211_BSS_STATUS_ASSOCIATED
))
6121 goto nla_put_failure
;
6123 case NL80211_IFTYPE_ADHOC
:
6124 if (intbss
== wdev
->current_bss
&&
6125 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6126 NL80211_BSS_STATUS_IBSS_JOINED
))
6127 goto nla_put_failure
;
6133 nla_nest_end(msg
, bss
);
6135 return genlmsg_end(msg
, hdr
);
6140 genlmsg_cancel(msg
, hdr
);
6144 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6146 struct cfg80211_registered_device
*rdev
;
6147 struct cfg80211_internal_bss
*scan
;
6148 struct wireless_dev
*wdev
;
6149 int start
= cb
->args
[2], idx
= 0;
6152 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6157 spin_lock_bh(&rdev
->bss_lock
);
6158 cfg80211_bss_expire(rdev
);
6160 cb
->seq
= rdev
->bss_generation
;
6162 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6165 if (nl80211_send_bss(skb
, cb
,
6166 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6167 rdev
, wdev
, scan
) < 0) {
6173 spin_unlock_bh(&rdev
->bss_lock
);
6177 nl80211_finish_wdev_dump(rdev
);
6182 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6183 int flags
, struct net_device
*dev
,
6184 struct survey_info
*survey
)
6187 struct nlattr
*infoattr
;
6189 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6190 NL80211_CMD_NEW_SURVEY_RESULTS
);
6194 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6195 goto nla_put_failure
;
6197 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6199 goto nla_put_failure
;
6201 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6202 survey
->channel
->center_freq
))
6203 goto nla_put_failure
;
6205 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6206 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6207 goto nla_put_failure
;
6208 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6209 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6210 goto nla_put_failure
;
6211 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6212 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6213 survey
->channel_time
))
6214 goto nla_put_failure
;
6215 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6216 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6217 survey
->channel_time_busy
))
6218 goto nla_put_failure
;
6219 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6220 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6221 survey
->channel_time_ext_busy
))
6222 goto nla_put_failure
;
6223 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6224 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6225 survey
->channel_time_rx
))
6226 goto nla_put_failure
;
6227 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6228 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6229 survey
->channel_time_tx
))
6230 goto nla_put_failure
;
6232 nla_nest_end(msg
, infoattr
);
6234 return genlmsg_end(msg
, hdr
);
6237 genlmsg_cancel(msg
, hdr
);
6241 static int nl80211_dump_survey(struct sk_buff
*skb
,
6242 struct netlink_callback
*cb
)
6244 struct survey_info survey
;
6245 struct cfg80211_registered_device
*rdev
;
6246 struct wireless_dev
*wdev
;
6247 int survey_idx
= cb
->args
[2];
6250 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6254 if (!wdev
->netdev
) {
6259 if (!rdev
->ops
->dump_survey
) {
6265 struct ieee80211_channel
*chan
;
6267 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6273 /* Survey without a channel doesn't make sense */
6274 if (!survey
.channel
) {
6279 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6280 survey
.channel
->center_freq
);
6281 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6286 if (nl80211_send_survey(skb
,
6287 NETLINK_CB(cb
->skb
).portid
,
6288 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6289 wdev
->netdev
, &survey
) < 0)
6295 cb
->args
[2] = survey_idx
;
6298 nl80211_finish_wdev_dump(rdev
);
6302 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6304 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6305 NL80211_WPA_VERSION_2
));
6308 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6310 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6311 struct net_device
*dev
= info
->user_ptr
[1];
6312 struct ieee80211_channel
*chan
;
6313 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6314 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6315 enum nl80211_auth_type auth_type
;
6316 struct key_parse key
;
6317 bool local_state_change
;
6319 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6322 if (!info
->attrs
[NL80211_ATTR_MAC
])
6325 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6328 if (!info
->attrs
[NL80211_ATTR_SSID
])
6331 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6334 err
= nl80211_parse_key(info
, &key
);
6339 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6341 if (!key
.p
.key
|| !key
.p
.key_len
)
6343 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6344 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6345 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6346 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6358 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6359 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6368 if (!rdev
->ops
->auth
)
6371 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6372 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6375 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6376 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6377 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6381 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6382 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6384 if (info
->attrs
[NL80211_ATTR_IE
]) {
6385 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6386 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6389 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6390 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6393 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6394 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6397 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6398 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6400 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6401 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6402 /* need to include at least Auth Transaction and Status Code */
6403 if (sae_data_len
< 4)
6407 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6410 * Since we no longer track auth state, ignore
6411 * requests to only change local state.
6413 if (local_state_change
)
6416 wdev_lock(dev
->ieee80211_ptr
);
6417 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6418 ssid
, ssid_len
, ie
, ie_len
,
6419 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6420 sae_data
, sae_data_len
);
6421 wdev_unlock(dev
->ieee80211_ptr
);
6425 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6426 struct genl_info
*info
,
6427 struct cfg80211_crypto_settings
*settings
,
6430 memset(settings
, 0, sizeof(*settings
));
6432 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6434 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6436 proto
= nla_get_u16(
6437 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6438 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6439 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6442 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6443 settings
->control_port_no_encrypt
= true;
6445 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6447 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6451 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6452 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6453 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6455 if (len
% sizeof(u32
))
6458 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6461 memcpy(settings
->ciphers_pairwise
, data
, len
);
6463 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6464 if (!cfg80211_supported_cipher_suite(
6466 settings
->ciphers_pairwise
[i
]))
6470 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6471 settings
->cipher_group
=
6472 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6473 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6474 settings
->cipher_group
))
6478 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6479 settings
->wpa_versions
=
6480 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6481 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6485 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6489 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6490 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6491 settings
->n_akm_suites
= len
/ sizeof(u32
);
6493 if (len
% sizeof(u32
))
6496 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6499 memcpy(settings
->akm_suites
, data
, len
);
6505 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6507 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6508 struct net_device
*dev
= info
->user_ptr
[1];
6509 struct ieee80211_channel
*chan
;
6510 struct cfg80211_assoc_request req
= {};
6511 const u8
*bssid
, *ssid
;
6512 int err
, ssid_len
= 0;
6514 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6517 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6518 !info
->attrs
[NL80211_ATTR_SSID
] ||
6519 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6522 if (!rdev
->ops
->assoc
)
6525 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6526 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6529 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6531 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6532 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6536 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6537 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6539 if (info
->attrs
[NL80211_ATTR_IE
]) {
6540 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6541 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6544 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6545 enum nl80211_mfp mfp
=
6546 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6547 if (mfp
== NL80211_MFP_REQUIRED
)
6549 else if (mfp
!= NL80211_MFP_NO
)
6553 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6554 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6556 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6557 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6559 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6560 memcpy(&req
.ht_capa_mask
,
6561 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6562 sizeof(req
.ht_capa_mask
));
6564 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6565 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6567 memcpy(&req
.ht_capa
,
6568 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6569 sizeof(req
.ht_capa
));
6572 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6573 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6575 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6576 memcpy(&req
.vht_capa_mask
,
6577 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6578 sizeof(req
.vht_capa_mask
));
6580 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6581 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6583 memcpy(&req
.vht_capa
,
6584 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6585 sizeof(req
.vht_capa
));
6588 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6590 wdev_lock(dev
->ieee80211_ptr
);
6591 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6592 ssid
, ssid_len
, &req
);
6593 wdev_unlock(dev
->ieee80211_ptr
);
6599 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6601 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6602 struct net_device
*dev
= info
->user_ptr
[1];
6603 const u8
*ie
= NULL
, *bssid
;
6604 int ie_len
= 0, err
;
6606 bool local_state_change
;
6608 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6611 if (!info
->attrs
[NL80211_ATTR_MAC
])
6614 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6617 if (!rdev
->ops
->deauth
)
6620 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6621 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6624 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6626 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6627 if (reason_code
== 0) {
6628 /* Reason Code 0 is reserved */
6632 if (info
->attrs
[NL80211_ATTR_IE
]) {
6633 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6634 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6637 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6639 wdev_lock(dev
->ieee80211_ptr
);
6640 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6641 local_state_change
);
6642 wdev_unlock(dev
->ieee80211_ptr
);
6646 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6648 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6649 struct net_device
*dev
= info
->user_ptr
[1];
6650 const u8
*ie
= NULL
, *bssid
;
6651 int ie_len
= 0, err
;
6653 bool local_state_change
;
6655 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6658 if (!info
->attrs
[NL80211_ATTR_MAC
])
6661 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6664 if (!rdev
->ops
->disassoc
)
6667 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6668 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6671 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6673 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6674 if (reason_code
== 0) {
6675 /* Reason Code 0 is reserved */
6679 if (info
->attrs
[NL80211_ATTR_IE
]) {
6680 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6681 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6684 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6686 wdev_lock(dev
->ieee80211_ptr
);
6687 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6688 local_state_change
);
6689 wdev_unlock(dev
->ieee80211_ptr
);
6694 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6695 int mcast_rate
[IEEE80211_NUM_BANDS
],
6698 struct wiphy
*wiphy
= &rdev
->wiphy
;
6702 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6703 struct ieee80211_supported_band
*sband
;
6705 sband
= wiphy
->bands
[band
];
6709 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6710 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6711 mcast_rate
[band
] = i
+ 1;
6721 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6723 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6724 struct net_device
*dev
= info
->user_ptr
[1];
6725 struct cfg80211_ibss_params ibss
;
6726 struct wiphy
*wiphy
;
6727 struct cfg80211_cached_keys
*connkeys
= NULL
;
6730 memset(&ibss
, 0, sizeof(ibss
));
6732 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6735 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6736 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6739 ibss
.beacon_interval
= 100;
6741 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6742 ibss
.beacon_interval
=
6743 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6744 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6748 if (!rdev
->ops
->join_ibss
)
6751 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6754 wiphy
= &rdev
->wiphy
;
6756 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6757 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6759 if (!is_valid_ether_addr(ibss
.bssid
))
6762 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6763 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6765 if (info
->attrs
[NL80211_ATTR_IE
]) {
6766 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6767 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6770 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6774 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
6775 NL80211_IFTYPE_ADHOC
))
6778 switch (ibss
.chandef
.width
) {
6779 case NL80211_CHAN_WIDTH_5
:
6780 case NL80211_CHAN_WIDTH_10
:
6781 case NL80211_CHAN_WIDTH_20_NOHT
:
6783 case NL80211_CHAN_WIDTH_20
:
6784 case NL80211_CHAN_WIDTH_40
:
6785 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6791 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6792 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6794 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6796 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6798 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6799 struct ieee80211_supported_band
*sband
=
6800 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6802 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6808 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6809 memcpy(&ibss
.ht_capa_mask
,
6810 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6811 sizeof(ibss
.ht_capa_mask
));
6813 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6814 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6816 memcpy(&ibss
.ht_capa
,
6817 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6818 sizeof(ibss
.ht_capa
));
6821 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6822 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6823 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6826 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6829 connkeys
= nl80211_parse_connkeys(rdev
,
6830 info
->attrs
[NL80211_ATTR_KEYS
],
6832 if (IS_ERR(connkeys
))
6833 return PTR_ERR(connkeys
);
6835 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6843 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6845 ibss
.userspace_handles_dfs
=
6846 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6848 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6854 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6856 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6857 struct net_device
*dev
= info
->user_ptr
[1];
6859 if (!rdev
->ops
->leave_ibss
)
6862 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6865 return cfg80211_leave_ibss(rdev
, dev
, false);
6868 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6870 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6871 struct net_device
*dev
= info
->user_ptr
[1];
6872 int mcast_rate
[IEEE80211_NUM_BANDS
];
6876 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6877 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6880 if (!rdev
->ops
->set_mcast_rate
)
6883 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6885 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6888 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6889 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6892 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6897 static struct sk_buff
*
6898 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
6899 int approxlen
, u32 portid
, u32 seq
,
6900 enum nl80211_commands cmd
,
6901 enum nl80211_attrs attr
,
6902 const struct nl80211_vendor_cmd_info
*info
,
6905 struct sk_buff
*skb
;
6907 struct nlattr
*data
;
6909 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6913 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
6919 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6920 goto nla_put_failure
;
6923 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
6925 goto nla_put_failure
;
6926 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
6928 goto nla_put_failure
;
6931 data
= nla_nest_start(skb
, attr
);
6933 ((void **)skb
->cb
)[0] = rdev
;
6934 ((void **)skb
->cb
)[1] = hdr
;
6935 ((void **)skb
->cb
)[2] = data
;
6944 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
6945 enum nl80211_commands cmd
,
6946 enum nl80211_attrs attr
,
6947 int vendor_event_idx
,
6948 int approxlen
, gfp_t gfp
)
6950 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
6951 const struct nl80211_vendor_cmd_info
*info
;
6954 case NL80211_CMD_TESTMODE
:
6955 if (WARN_ON(vendor_event_idx
!= -1))
6959 case NL80211_CMD_VENDOR
:
6960 if (WARN_ON(vendor_event_idx
< 0 ||
6961 vendor_event_idx
>= wiphy
->n_vendor_events
))
6963 info
= &wiphy
->vendor_events
[vendor_event_idx
];
6970 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
6971 cmd
, attr
, info
, gfp
);
6973 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
6975 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
6977 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6978 void *hdr
= ((void **)skb
->cb
)[1];
6979 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6980 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
6982 nla_nest_end(skb
, data
);
6983 genlmsg_end(skb
, hdr
);
6985 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
6986 mcgrp
= NL80211_MCGRP_VENDOR
;
6988 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
6991 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
6993 #ifdef CONFIG_NL80211_TESTMODE
6994 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6996 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6997 struct wireless_dev
*wdev
=
6998 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7001 if (!rdev
->ops
->testmode_cmd
)
7005 err
= PTR_ERR(wdev
);
7009 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7013 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7016 rdev
->cur_cmd_info
= info
;
7017 err
= rdev_testmode_cmd(rdev
, wdev
,
7018 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7019 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7020 rdev
->cur_cmd_info
= NULL
;
7025 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7026 struct netlink_callback
*cb
)
7028 struct cfg80211_registered_device
*rdev
;
7038 * 0 is a valid index, but not valid for args[0],
7039 * so we need to offset by 1.
7041 phy_idx
= cb
->args
[0] - 1;
7043 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7044 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7049 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7050 nl80211_fam
.attrbuf
);
7052 err
= PTR_ERR(rdev
);
7055 phy_idx
= rdev
->wiphy_idx
;
7058 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7060 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7064 data
= nla_data((void *)cb
->args
[1]);
7065 data_len
= nla_len((void *)cb
->args
[1]);
7068 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7074 if (!rdev
->ops
->testmode_dump
) {
7080 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7081 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7082 NL80211_CMD_TESTMODE
);
7083 struct nlattr
*tmdata
;
7088 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7089 genlmsg_cancel(skb
, hdr
);
7093 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7095 genlmsg_cancel(skb
, hdr
);
7098 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7099 nla_nest_end(skb
, tmdata
);
7101 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7102 genlmsg_cancel(skb
, hdr
);
7105 genlmsg_cancel(skb
, hdr
);
7109 genlmsg_end(skb
, hdr
);
7114 cb
->args
[0] = phy_idx
+ 1;
7121 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7123 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7124 struct net_device
*dev
= info
->user_ptr
[1];
7125 struct cfg80211_connect_params connect
;
7126 struct wiphy
*wiphy
;
7127 struct cfg80211_cached_keys
*connkeys
= NULL
;
7130 memset(&connect
, 0, sizeof(connect
));
7132 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7135 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7136 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7139 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7141 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7142 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7143 NL80211_CMD_CONNECT
))
7146 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7148 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7150 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7151 NL80211_MAX_NR_CIPHER_SUITES
);
7155 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7156 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7159 wiphy
= &rdev
->wiphy
;
7161 connect
.bg_scan_period
= -1;
7162 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7163 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7164 connect
.bg_scan_period
=
7165 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7168 if (info
->attrs
[NL80211_ATTR_MAC
])
7169 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7170 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7171 connect
.bssid_hint
=
7172 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7173 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7174 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7176 if (info
->attrs
[NL80211_ATTR_IE
]) {
7177 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7178 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7181 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7182 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7183 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7184 connect
.mfp
!= NL80211_MFP_NO
)
7187 connect
.mfp
= NL80211_MFP_NO
;
7190 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7191 connect
.channel
= nl80211_get_valid_chan(
7192 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7193 if (!connect
.channel
)
7195 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7196 connect
.channel_hint
= nl80211_get_valid_chan(
7197 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7198 if (!connect
.channel_hint
)
7202 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7203 connkeys
= nl80211_parse_connkeys(rdev
,
7204 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7205 if (IS_ERR(connkeys
))
7206 return PTR_ERR(connkeys
);
7209 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7210 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7212 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7213 memcpy(&connect
.ht_capa_mask
,
7214 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7215 sizeof(connect
.ht_capa_mask
));
7217 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7218 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7222 memcpy(&connect
.ht_capa
,
7223 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7224 sizeof(connect
.ht_capa
));
7227 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7228 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7230 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7231 memcpy(&connect
.vht_capa_mask
,
7232 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7233 sizeof(connect
.vht_capa_mask
));
7235 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7236 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7240 memcpy(&connect
.vht_capa
,
7241 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7242 sizeof(connect
.vht_capa
));
7245 wdev_lock(dev
->ieee80211_ptr
);
7246 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7247 wdev_unlock(dev
->ieee80211_ptr
);
7253 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7255 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7256 struct net_device
*dev
= info
->user_ptr
[1];
7260 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7261 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7263 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7268 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7269 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7272 wdev_lock(dev
->ieee80211_ptr
);
7273 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7274 wdev_unlock(dev
->ieee80211_ptr
);
7278 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7280 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7285 if (!info
->attrs
[NL80211_ATTR_PID
])
7288 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7290 net
= get_net_ns_by_pid(pid
);
7292 return PTR_ERR(net
);
7296 /* check if anything to do */
7297 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7298 err
= cfg80211_switch_netns(rdev
, net
);
7304 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7306 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7307 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7308 struct cfg80211_pmksa
*pmksa
) = NULL
;
7309 struct net_device
*dev
= info
->user_ptr
[1];
7310 struct cfg80211_pmksa pmksa
;
7312 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7314 if (!info
->attrs
[NL80211_ATTR_MAC
])
7317 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7320 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7321 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7323 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7324 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7327 switch (info
->genlhdr
->cmd
) {
7328 case NL80211_CMD_SET_PMKSA
:
7329 rdev_ops
= rdev
->ops
->set_pmksa
;
7331 case NL80211_CMD_DEL_PMKSA
:
7332 rdev_ops
= rdev
->ops
->del_pmksa
;
7342 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7345 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7347 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7348 struct net_device
*dev
= info
->user_ptr
[1];
7350 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7351 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7354 if (!rdev
->ops
->flush_pmksa
)
7357 return rdev_flush_pmksa(rdev
, dev
);
7360 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7362 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7363 struct net_device
*dev
= info
->user_ptr
[1];
7364 u8 action_code
, dialog_token
;
7365 u32 peer_capability
= 0;
7369 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7370 !rdev
->ops
->tdls_mgmt
)
7373 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7374 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7375 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7376 !info
->attrs
[NL80211_ATTR_IE
] ||
7377 !info
->attrs
[NL80211_ATTR_MAC
])
7380 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7381 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7382 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7383 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7384 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7386 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7388 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7389 dialog_token
, status_code
, peer_capability
,
7390 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7391 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7394 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7396 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7397 struct net_device
*dev
= info
->user_ptr
[1];
7398 enum nl80211_tdls_operation operation
;
7401 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7402 !rdev
->ops
->tdls_oper
)
7405 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7406 !info
->attrs
[NL80211_ATTR_MAC
])
7409 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7410 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7412 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7415 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7416 struct genl_info
*info
)
7418 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7419 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7420 struct cfg80211_chan_def chandef
;
7421 struct sk_buff
*msg
;
7427 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7428 !info
->attrs
[NL80211_ATTR_DURATION
])
7431 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7433 if (!rdev
->ops
->remain_on_channel
||
7434 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7438 * We should be on that channel for at least a minimum amount of
7439 * time (10ms) but no longer than the driver supports.
7441 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7442 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7445 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7449 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7453 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7454 NL80211_CMD_REMAIN_ON_CHANNEL
);
7460 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7466 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7467 goto nla_put_failure
;
7469 genlmsg_end(msg
, hdr
);
7471 return genlmsg_reply(msg
, info
);
7480 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7481 struct genl_info
*info
)
7483 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7484 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7487 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7490 if (!rdev
->ops
->cancel_remain_on_channel
)
7493 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7495 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7498 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7499 u8
*rates
, u8 rates_len
)
7504 for (i
= 0; i
< rates_len
; i
++) {
7505 int rate
= (rates
[i
] & 0x7f) * 5;
7507 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7508 struct ieee80211_rate
*srate
=
7509 &sband
->bitrates
[ridx
];
7510 if (rate
== srate
->bitrate
) {
7515 if (ridx
== sband
->n_bitrates
)
7516 return 0; /* rate not found */
7522 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7523 u8
*rates
, u8 rates_len
,
7524 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7528 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7530 for (i
= 0; i
< rates_len
; i
++) {
7533 ridx
= rates
[i
] / 8;
7534 rbit
= BIT(rates
[i
] % 8);
7536 /* check validity */
7537 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7540 /* check availability */
7541 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7550 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7554 switch (vht_mcs_map
) {
7555 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7557 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7560 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7563 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7573 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7574 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7578 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7579 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7584 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7585 struct nl80211_txrate_vht
*txrate
,
7586 u16 mcs
[NL80211_VHT_NSS_MAX
])
7588 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7589 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7592 if (!sband
->vht_cap
.vht_supported
)
7595 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7597 /* Build vht_mcs_mask from VHT capabilities */
7598 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7600 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7601 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7602 mcs
[i
] = txrate
->mcs
[i
];
7610 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7611 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7612 .len
= NL80211_MAX_SUPP_RATES
},
7613 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7614 .len
= NL80211_MAX_SUPP_HT_RATES
},
7615 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7616 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
7619 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7620 struct genl_info
*info
)
7622 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7623 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7624 struct cfg80211_bitrate_mask mask
;
7626 struct net_device
*dev
= info
->user_ptr
[1];
7627 struct nlattr
*tx_rates
;
7628 struct ieee80211_supported_band
*sband
;
7631 if (!rdev
->ops
->set_bitrate_mask
)
7634 memset(&mask
, 0, sizeof(mask
));
7635 /* Default to all rates enabled */
7636 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7637 sband
= rdev
->wiphy
.bands
[i
];
7642 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7643 memcpy(mask
.control
[i
].ht_mcs
,
7644 sband
->ht_cap
.mcs
.rx_mask
,
7645 sizeof(mask
.control
[i
].ht_mcs
));
7647 if (!sband
->vht_cap
.vht_supported
)
7650 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7651 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7654 /* if no rates are given set it back to the defaults */
7655 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7659 * The nested attribute uses enum nl80211_band as the index. This maps
7660 * directly to the enum ieee80211_band values used in cfg80211.
7662 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7663 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
7664 enum ieee80211_band band
= nla_type(tx_rates
);
7667 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7669 sband
= rdev
->wiphy
.bands
[band
];
7672 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7673 nla_len(tx_rates
), nl80211_txattr_policy
);
7676 if (tb
[NL80211_TXRATE_LEGACY
]) {
7677 mask
.control
[band
].legacy
= rateset_to_mask(
7679 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7680 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7681 if ((mask
.control
[band
].legacy
== 0) &&
7682 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7685 if (tb
[NL80211_TXRATE_HT
]) {
7686 if (!ht_rateset_to_mask(
7688 nla_data(tb
[NL80211_TXRATE_HT
]),
7689 nla_len(tb
[NL80211_TXRATE_HT
]),
7690 mask
.control
[band
].ht_mcs
))
7693 if (tb
[NL80211_TXRATE_VHT
]) {
7694 if (!vht_set_mcs_mask(
7696 nla_data(tb
[NL80211_TXRATE_VHT
]),
7697 mask
.control
[band
].vht_mcs
))
7700 if (tb
[NL80211_TXRATE_GI
]) {
7701 mask
.control
[band
].gi
=
7702 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
7703 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
7707 if (mask
.control
[band
].legacy
== 0) {
7708 /* don't allow empty legacy rates if HT or VHT
7709 * are not even supported.
7711 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
7712 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
7715 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7716 if (mask
.control
[band
].ht_mcs
[i
])
7719 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
7720 if (mask
.control
[band
].vht_mcs
[i
])
7723 /* legacy and mcs rates may not be both empty */
7729 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7732 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7734 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7735 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7736 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7738 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7741 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7742 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7744 switch (wdev
->iftype
) {
7745 case NL80211_IFTYPE_STATION
:
7746 case NL80211_IFTYPE_ADHOC
:
7747 case NL80211_IFTYPE_P2P_CLIENT
:
7748 case NL80211_IFTYPE_AP
:
7749 case NL80211_IFTYPE_AP_VLAN
:
7750 case NL80211_IFTYPE_MESH_POINT
:
7751 case NL80211_IFTYPE_P2P_GO
:
7752 case NL80211_IFTYPE_P2P_DEVICE
:
7758 /* not much point in registering if we can't reply */
7759 if (!rdev
->ops
->mgmt_tx
)
7762 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7763 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7764 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7767 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7769 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7770 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7771 struct cfg80211_chan_def chandef
;
7775 struct sk_buff
*msg
= NULL
;
7776 struct cfg80211_mgmt_tx_params params
= {
7777 .dont_wait_for_ack
=
7778 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7781 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7784 if (!rdev
->ops
->mgmt_tx
)
7787 switch (wdev
->iftype
) {
7788 case NL80211_IFTYPE_P2P_DEVICE
:
7789 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7791 case NL80211_IFTYPE_STATION
:
7792 case NL80211_IFTYPE_ADHOC
:
7793 case NL80211_IFTYPE_P2P_CLIENT
:
7794 case NL80211_IFTYPE_AP
:
7795 case NL80211_IFTYPE_AP_VLAN
:
7796 case NL80211_IFTYPE_MESH_POINT
:
7797 case NL80211_IFTYPE_P2P_GO
:
7803 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7804 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7806 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7809 * We should wait on the channel for at least a minimum amount
7810 * of time (10ms) but no longer than the driver supports.
7812 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7813 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7818 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7820 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7823 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7825 /* get the channel if any has been specified, otherwise pass NULL to
7826 * the driver. The latter will use the current one
7828 chandef
.chan
= NULL
;
7829 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7830 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7835 if (!chandef
.chan
&& params
.offchan
)
7838 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
7839 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
7841 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
7842 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
7845 if (len
% sizeof(u16
))
7848 params
.n_csa_offsets
= len
/ sizeof(u16
);
7849 params
.csa_offsets
=
7850 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
7852 /* check that all the offsets fit the frame */
7853 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
7854 if (params
.csa_offsets
[i
] >= params
.len
)
7859 if (!params
.dont_wait_for_ack
) {
7860 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7864 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7872 params
.chan
= chandef
.chan
;
7873 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
7878 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7879 goto nla_put_failure
;
7881 genlmsg_end(msg
, hdr
);
7882 return genlmsg_reply(msg
, info
);
7894 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7896 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7897 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7900 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7903 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7906 switch (wdev
->iftype
) {
7907 case NL80211_IFTYPE_STATION
:
7908 case NL80211_IFTYPE_ADHOC
:
7909 case NL80211_IFTYPE_P2P_CLIENT
:
7910 case NL80211_IFTYPE_AP
:
7911 case NL80211_IFTYPE_AP_VLAN
:
7912 case NL80211_IFTYPE_P2P_GO
:
7913 case NL80211_IFTYPE_P2P_DEVICE
:
7919 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7921 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7924 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7926 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7927 struct wireless_dev
*wdev
;
7928 struct net_device
*dev
= info
->user_ptr
[1];
7933 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7936 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7938 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7941 wdev
= dev
->ieee80211_ptr
;
7943 if (!rdev
->ops
->set_power_mgmt
)
7946 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7948 if (state
== wdev
->ps
)
7951 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7957 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7959 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7960 enum nl80211_ps_state ps_state
;
7961 struct wireless_dev
*wdev
;
7962 struct net_device
*dev
= info
->user_ptr
[1];
7963 struct sk_buff
*msg
;
7967 wdev
= dev
->ieee80211_ptr
;
7969 if (!rdev
->ops
->set_power_mgmt
)
7972 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7976 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7977 NL80211_CMD_GET_POWER_SAVE
);
7984 ps_state
= NL80211_PS_ENABLED
;
7986 ps_state
= NL80211_PS_DISABLED
;
7988 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7989 goto nla_put_failure
;
7991 genlmsg_end(msg
, hdr
);
7992 return genlmsg_reply(msg
, info
);
8001 static const struct nla_policy
8002 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8003 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8004 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8005 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8006 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8007 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8008 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8011 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8012 u32 rate
, u32 pkts
, u32 intvl
)
8014 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8015 struct net_device
*dev
= info
->user_ptr
[1];
8016 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8018 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8021 if (!rdev
->ops
->set_cqm_txe_config
)
8024 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8025 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8028 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8031 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8032 s32 threshold
, u32 hysteresis
)
8034 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8035 struct net_device
*dev
= info
->user_ptr
[1];
8036 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8041 /* disabling - hysteresis should also be zero then */
8045 if (!rdev
->ops
->set_cqm_rssi_config
)
8048 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8049 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8052 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8055 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8057 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8061 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8065 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8066 nl80211_attr_cqm_policy
);
8070 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8071 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8072 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8073 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8075 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8078 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8079 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8080 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8081 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8082 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8083 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8085 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8091 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8093 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8094 struct net_device
*dev
= info
->user_ptr
[1];
8095 struct mesh_config cfg
;
8096 struct mesh_setup setup
;
8099 /* start with default */
8100 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8101 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8103 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8104 /* and parse parameters if given */
8105 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8110 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8111 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8114 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8115 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8117 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8118 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8119 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8122 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8123 setup
.beacon_interval
=
8124 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8125 if (setup
.beacon_interval
< 10 ||
8126 setup
.beacon_interval
> 10000)
8130 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8132 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8133 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8137 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8138 /* parse additional setup parameters if given */
8139 err
= nl80211_parse_mesh_setup(info
, &setup
);
8145 cfg
.auto_open_plinks
= false;
8147 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8148 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8152 /* cfg80211_join_mesh() will sort it out */
8153 setup
.chandef
.chan
= NULL
;
8156 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8157 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8159 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8160 struct ieee80211_supported_band
*sband
;
8162 if (!setup
.chandef
.chan
)
8165 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8167 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8168 &setup
.basic_rates
);
8173 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8176 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8178 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8179 struct net_device
*dev
= info
->user_ptr
[1];
8181 return cfg80211_leave_mesh(rdev
, dev
);
8185 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8186 struct cfg80211_registered_device
*rdev
)
8188 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8189 struct nlattr
*nl_pats
, *nl_pat
;
8192 if (!wowlan
->n_patterns
)
8195 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8199 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8200 nl_pat
= nla_nest_start(msg
, i
+ 1);
8203 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8204 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8205 wowlan
->patterns
[i
].mask
) ||
8206 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8207 wowlan
->patterns
[i
].pattern
) ||
8208 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8209 wowlan
->patterns
[i
].pkt_offset
))
8211 nla_nest_end(msg
, nl_pat
);
8213 nla_nest_end(msg
, nl_pats
);
8218 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8219 struct cfg80211_wowlan_tcp
*tcp
)
8221 struct nlattr
*nl_tcp
;
8226 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8230 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8231 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8232 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8233 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8234 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8235 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8236 tcp
->payload_len
, tcp
->payload
) ||
8237 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8238 tcp
->data_interval
) ||
8239 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8240 tcp
->wake_len
, tcp
->wake_data
) ||
8241 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8242 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8245 if (tcp
->payload_seq
.len
&&
8246 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8247 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8250 if (tcp
->payload_tok
.len
&&
8251 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8252 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8256 nla_nest_end(msg
, nl_tcp
);
8261 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8263 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8264 struct sk_buff
*msg
;
8266 u32 size
= NLMSG_DEFAULT_SIZE
;
8268 if (!rdev
->wiphy
.wowlan
)
8271 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8272 /* adjust size to have room for all the data */
8273 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8274 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8275 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8276 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8279 msg
= nlmsg_new(size
, GFP_KERNEL
);
8283 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8284 NL80211_CMD_GET_WOWLAN
);
8286 goto nla_put_failure
;
8288 if (rdev
->wiphy
.wowlan_config
) {
8289 struct nlattr
*nl_wowlan
;
8291 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8293 goto nla_put_failure
;
8295 if ((rdev
->wiphy
.wowlan_config
->any
&&
8296 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8297 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8298 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8299 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8300 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8301 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8302 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8303 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8304 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8305 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8306 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8307 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8308 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8309 goto nla_put_failure
;
8311 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8312 goto nla_put_failure
;
8314 if (nl80211_send_wowlan_tcp(msg
,
8315 rdev
->wiphy
.wowlan_config
->tcp
))
8316 goto nla_put_failure
;
8318 nla_nest_end(msg
, nl_wowlan
);
8321 genlmsg_end(msg
, hdr
);
8322 return genlmsg_reply(msg
, info
);
8329 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8330 struct nlattr
*attr
,
8331 struct cfg80211_wowlan
*trig
)
8333 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8334 struct cfg80211_wowlan_tcp
*cfg
;
8335 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8336 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8338 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8341 if (!rdev
->wiphy
.wowlan
->tcp
)
8344 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8345 nla_data(attr
), nla_len(attr
),
8346 nl80211_wowlan_tcp_policy
);
8350 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8351 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8352 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8353 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8354 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8355 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8356 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8357 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8360 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8361 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8364 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8365 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8366 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8369 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8370 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8373 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8374 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8377 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8378 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8380 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8381 tokens_size
= tokln
- sizeof(*tok
);
8383 if (!tok
->len
|| tokens_size
% tok
->len
)
8385 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8387 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8389 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8391 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8393 if (tok
->offset
+ tok
->len
> data_size
)
8397 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8398 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8399 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8401 if (seq
->len
== 0 || seq
->len
> 4)
8403 if (seq
->len
+ seq
->offset
> data_size
)
8407 size
= sizeof(*cfg
);
8409 size
+= wake_size
+ wake_mask_size
;
8410 size
+= tokens_size
;
8412 cfg
= kzalloc(size
, GFP_KERNEL
);
8415 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8416 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8417 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8419 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8420 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8424 /* allocate a socket and port for it and use it */
8425 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8426 IPPROTO_TCP
, &cfg
->sock
, 1);
8431 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8432 sock_release(cfg
->sock
);
8436 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8442 cfg
->src_port
= port
;
8445 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8446 cfg
->payload_len
= data_size
;
8447 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8448 memcpy((void *)cfg
->payload
,
8449 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8452 cfg
->payload_seq
= *seq
;
8453 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8454 cfg
->wake_len
= wake_size
;
8455 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8456 memcpy((void *)cfg
->wake_data
,
8457 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8459 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8460 data_size
+ wake_size
;
8461 memcpy((void *)cfg
->wake_mask
,
8462 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8465 cfg
->tokens_size
= tokens_size
;
8466 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8474 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8476 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8477 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8478 struct cfg80211_wowlan new_triggers
= {};
8479 struct cfg80211_wowlan
*ntrig
;
8480 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8482 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8487 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8488 cfg80211_rdev_free_wowlan(rdev
);
8489 rdev
->wiphy
.wowlan_config
= NULL
;
8493 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8494 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8495 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8496 nl80211_wowlan_policy
);
8500 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8501 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8503 new_triggers
.any
= true;
8506 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8507 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8509 new_triggers
.disconnect
= true;
8512 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8513 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8515 new_triggers
.magic_pkt
= true;
8518 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8521 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8522 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8524 new_triggers
.gtk_rekey_failure
= true;
8527 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8528 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8530 new_triggers
.eap_identity_req
= true;
8533 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8534 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8536 new_triggers
.four_way_handshake
= true;
8539 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8540 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8542 new_triggers
.rfkill_release
= true;
8545 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8548 int rem
, pat_len
, mask_len
, pkt_offset
;
8549 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8551 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8554 if (n_patterns
> wowlan
->n_patterns
)
8557 new_triggers
.patterns
= kcalloc(n_patterns
,
8558 sizeof(new_triggers
.patterns
[0]),
8560 if (!new_triggers
.patterns
)
8563 new_triggers
.n_patterns
= n_patterns
;
8566 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8570 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8571 nla_len(pat
), NULL
);
8573 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8574 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8576 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8577 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8578 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8580 if (pat_len
> wowlan
->pattern_max_len
||
8581 pat_len
< wowlan
->pattern_min_len
)
8584 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8587 pkt_offset
= nla_get_u32(
8588 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8589 if (pkt_offset
> wowlan
->max_pkt_offset
)
8591 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8593 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8598 new_triggers
.patterns
[i
].mask
= mask_pat
;
8599 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8601 mask_pat
+= mask_len
;
8602 new_triggers
.patterns
[i
].pattern
= mask_pat
;
8603 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8605 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8611 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8612 err
= nl80211_parse_wowlan_tcp(
8613 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8619 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8624 cfg80211_rdev_free_wowlan(rdev
);
8625 rdev
->wiphy
.wowlan_config
= ntrig
;
8628 if (rdev
->ops
->set_wakeup
&&
8629 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8630 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8634 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8635 kfree(new_triggers
.patterns
[i
].mask
);
8636 kfree(new_triggers
.patterns
);
8637 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8638 sock_release(new_triggers
.tcp
->sock
);
8639 kfree(new_triggers
.tcp
);
8644 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8645 struct cfg80211_registered_device
*rdev
)
8647 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8649 struct cfg80211_coalesce_rules
*rule
;
8651 if (!rdev
->coalesce
->n_rules
)
8654 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8658 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8659 nl_rule
= nla_nest_start(msg
, i
+ 1);
8663 rule
= &rdev
->coalesce
->rules
[i
];
8664 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8668 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8672 nl_pats
= nla_nest_start(msg
,
8673 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8677 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8678 nl_pat
= nla_nest_start(msg
, j
+ 1);
8681 pat_len
= rule
->patterns
[j
].pattern_len
;
8682 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8683 DIV_ROUND_UP(pat_len
, 8),
8684 rule
->patterns
[j
].mask
) ||
8685 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8686 rule
->patterns
[j
].pattern
) ||
8687 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8688 rule
->patterns
[j
].pkt_offset
))
8690 nla_nest_end(msg
, nl_pat
);
8692 nla_nest_end(msg
, nl_pats
);
8693 nla_nest_end(msg
, nl_rule
);
8695 nla_nest_end(msg
, nl_rules
);
8700 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8702 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8703 struct sk_buff
*msg
;
8706 if (!rdev
->wiphy
.coalesce
)
8709 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8713 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8714 NL80211_CMD_GET_COALESCE
);
8716 goto nla_put_failure
;
8718 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8719 goto nla_put_failure
;
8721 genlmsg_end(msg
, hdr
);
8722 return genlmsg_reply(msg
, info
);
8729 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8731 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8733 struct cfg80211_coalesce_rules
*rule
;
8738 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8739 rule
= &coalesce
->rules
[i
];
8740 for (j
= 0; j
< rule
->n_patterns
; j
++)
8741 kfree(rule
->patterns
[j
].mask
);
8742 kfree(rule
->patterns
);
8744 kfree(coalesce
->rules
);
8746 rdev
->coalesce
= NULL
;
8749 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8750 struct nlattr
*rule
,
8751 struct cfg80211_coalesce_rules
*new_rule
)
8754 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8755 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8756 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8757 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8759 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8760 nla_len(rule
), nl80211_coalesce_policy
);
8764 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8766 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8767 if (new_rule
->delay
> coalesce
->max_delay
)
8770 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8771 new_rule
->condition
=
8772 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8773 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8774 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8777 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8780 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8783 if (n_patterns
> coalesce
->n_patterns
)
8786 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8788 if (!new_rule
->patterns
)
8791 new_rule
->n_patterns
= n_patterns
;
8794 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8798 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8799 nla_len(pat
), NULL
);
8800 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8801 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8803 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8804 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8805 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8807 if (pat_len
> coalesce
->pattern_max_len
||
8808 pat_len
< coalesce
->pattern_min_len
)
8811 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8814 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8815 if (pkt_offset
> coalesce
->max_pkt_offset
)
8817 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8819 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8823 new_rule
->patterns
[i
].mask
= mask_pat
;
8824 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8827 mask_pat
+= mask_len
;
8828 new_rule
->patterns
[i
].pattern
= mask_pat
;
8829 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8830 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8838 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8840 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8841 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8842 struct cfg80211_coalesce new_coalesce
= {};
8843 struct cfg80211_coalesce
*n_coalesce
;
8844 int err
, rem_rule
, n_rules
= 0, i
, j
;
8845 struct nlattr
*rule
;
8846 struct cfg80211_coalesce_rules
*tmp_rule
;
8848 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8851 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8852 cfg80211_rdev_free_coalesce(rdev
);
8853 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8857 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8860 if (n_rules
> coalesce
->n_rules
)
8863 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8865 if (!new_coalesce
.rules
)
8868 new_coalesce
.n_rules
= n_rules
;
8871 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8873 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8874 &new_coalesce
.rules
[i
]);
8881 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8885 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8890 cfg80211_rdev_free_coalesce(rdev
);
8891 rdev
->coalesce
= n_coalesce
;
8895 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8896 tmp_rule
= &new_coalesce
.rules
[i
];
8897 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8898 kfree(tmp_rule
->patterns
[j
].mask
);
8899 kfree(tmp_rule
->patterns
);
8901 kfree(new_coalesce
.rules
);
8906 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8908 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8909 struct net_device
*dev
= info
->user_ptr
[1];
8910 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8911 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8912 struct cfg80211_gtk_rekey_data rekey_data
;
8915 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8918 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8919 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8920 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8921 nl80211_rekey_policy
);
8925 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8927 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8929 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8932 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8934 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8936 memcpy(rekey_data
.replay_ctr
,
8937 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8938 NL80211_REPLAY_CTR_LEN
);
8941 if (!wdev
->current_bss
) {
8946 if (!rdev
->ops
->set_rekey_data
) {
8951 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8957 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8958 struct genl_info
*info
)
8960 struct net_device
*dev
= info
->user_ptr
[1];
8961 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8963 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8964 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8967 if (wdev
->ap_unexpected_nlportid
)
8970 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8974 static int nl80211_probe_client(struct sk_buff
*skb
,
8975 struct genl_info
*info
)
8977 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8978 struct net_device
*dev
= info
->user_ptr
[1];
8979 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8980 struct sk_buff
*msg
;
8986 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8987 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8990 if (!info
->attrs
[NL80211_ATTR_MAC
])
8993 if (!rdev
->ops
->probe_client
)
8996 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9000 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9001 NL80211_CMD_PROBE_CLIENT
);
9007 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9009 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9013 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9014 goto nla_put_failure
;
9016 genlmsg_end(msg
, hdr
);
9018 return genlmsg_reply(msg
, info
);
9027 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9029 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9030 struct cfg80211_beacon_registration
*reg
, *nreg
;
9033 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9036 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9040 /* First, check if already registered. */
9041 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9042 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9043 if (reg
->nlportid
== info
->snd_portid
) {
9048 /* Add it to the list */
9049 nreg
->nlportid
= info
->snd_portid
;
9050 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9052 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9056 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9061 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9063 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9064 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9067 if (!rdev
->ops
->start_p2p_device
)
9070 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9073 if (wdev
->p2p_started
)
9076 if (rfkill_blocked(rdev
->rfkill
))
9079 err
= rdev_start_p2p_device(rdev
, wdev
);
9083 wdev
->p2p_started
= true;
9089 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9091 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9092 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9094 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9097 if (!rdev
->ops
->stop_p2p_device
)
9100 cfg80211_stop_p2p_device(rdev
, wdev
);
9105 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9106 struct genl_info
*info
)
9109 struct sk_buff
*msg
;
9111 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9115 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9116 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9118 goto nla_put_failure
;
9120 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9121 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9122 goto nla_put_failure
;
9124 genlmsg_end(msg
, hdr
);
9125 return genlmsg_reply(msg
, info
);
9132 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9134 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9135 struct cfg80211_update_ft_ies_params ft_params
;
9136 struct net_device
*dev
= info
->user_ptr
[1];
9138 if (!rdev
->ops
->update_ft_ies
)
9141 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9142 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9145 memset(&ft_params
, 0, sizeof(ft_params
));
9146 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9147 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9148 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9150 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9153 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9154 struct genl_info
*info
)
9156 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9157 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9158 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9162 if (!rdev
->ops
->crit_proto_start
)
9165 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9168 if (rdev
->crit_proto_nlportid
)
9171 /* determine protocol if provided */
9172 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9173 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9175 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9178 /* timeout must be provided */
9179 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9183 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9185 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9188 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9190 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9195 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9196 struct genl_info
*info
)
9198 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9199 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9201 if (!rdev
->ops
->crit_proto_stop
)
9204 if (rdev
->crit_proto_nlportid
) {
9205 rdev
->crit_proto_nlportid
= 0;
9206 rdev_crit_proto_stop(rdev
, wdev
);
9211 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9213 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9214 struct wireless_dev
*wdev
=
9215 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9219 if (!rdev
->wiphy
.vendor_commands
)
9223 err
= PTR_ERR(wdev
);
9227 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9231 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9232 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9235 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9236 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9237 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9238 const struct wiphy_vendor_command
*vcmd
;
9242 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9244 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9247 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9248 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9251 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9255 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9257 !netif_running(wdev
->netdev
))
9259 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9266 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9267 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9268 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9271 rdev
->cur_cmd_info
= info
;
9272 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9274 rdev
->cur_cmd_info
= NULL
;
9281 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9282 enum nl80211_commands cmd
,
9283 enum nl80211_attrs attr
,
9286 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9288 if (WARN_ON(!rdev
->cur_cmd_info
))
9291 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9292 rdev
->cur_cmd_info
->snd_portid
,
9293 rdev
->cur_cmd_info
->snd_seq
,
9294 cmd
, attr
, NULL
, GFP_KERNEL
);
9296 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9298 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9300 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9301 void *hdr
= ((void **)skb
->cb
)[1];
9302 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9304 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9309 nla_nest_end(skb
, data
);
9310 genlmsg_end(skb
, hdr
);
9311 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9313 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9316 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9317 struct genl_info
*info
)
9319 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9320 struct cfg80211_qos_map
*qos_map
= NULL
;
9321 struct net_device
*dev
= info
->user_ptr
[1];
9322 u8
*pos
, len
, num_des
, des_len
, des
;
9325 if (!rdev
->ops
->set_qos_map
)
9328 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9329 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9330 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9332 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9333 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9336 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9340 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9343 sizeof(struct cfg80211_dscp_exception
);
9344 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9345 qos_map
->num_des
= num_des
;
9346 for (des
= 0; des
< num_des
; des
++) {
9347 if (qos_map
->dscp_exception
[des
].up
> 7) {
9354 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9357 wdev_lock(dev
->ieee80211_ptr
);
9358 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9360 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9361 wdev_unlock(dev
->ieee80211_ptr
);
9367 #define NL80211_FLAG_NEED_WIPHY 0x01
9368 #define NL80211_FLAG_NEED_NETDEV 0x02
9369 #define NL80211_FLAG_NEED_RTNL 0x04
9370 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9371 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9372 NL80211_FLAG_CHECK_NETDEV_UP)
9373 #define NL80211_FLAG_NEED_WDEV 0x10
9374 /* If a netdev is associated, it must be UP, P2P must be started */
9375 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9376 NL80211_FLAG_CHECK_NETDEV_UP)
9378 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9379 struct genl_info
*info
)
9381 struct cfg80211_registered_device
*rdev
;
9382 struct wireless_dev
*wdev
;
9383 struct net_device
*dev
;
9384 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9389 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9390 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9394 return PTR_ERR(rdev
);
9396 info
->user_ptr
[0] = rdev
;
9397 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9398 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9401 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9406 return PTR_ERR(wdev
);
9410 rdev
= wiphy_to_rdev(wdev
->wiphy
);
9412 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9419 info
->user_ptr
[1] = dev
;
9421 info
->user_ptr
[1] = wdev
;
9425 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9426 !netif_running(dev
)) {
9433 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9434 if (!wdev
->p2p_started
) {
9441 info
->user_ptr
[0] = rdev
;
9447 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9448 struct genl_info
*info
)
9450 if (info
->user_ptr
[1]) {
9451 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9452 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9455 dev_put(wdev
->netdev
);
9457 dev_put(info
->user_ptr
[1]);
9460 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9464 static const struct genl_ops nl80211_ops
[] = {
9466 .cmd
= NL80211_CMD_GET_WIPHY
,
9467 .doit
= nl80211_get_wiphy
,
9468 .dumpit
= nl80211_dump_wiphy
,
9469 .done
= nl80211_dump_wiphy_done
,
9470 .policy
= nl80211_policy
,
9471 /* can be retrieved by unprivileged users */
9472 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9473 NL80211_FLAG_NEED_RTNL
,
9476 .cmd
= NL80211_CMD_SET_WIPHY
,
9477 .doit
= nl80211_set_wiphy
,
9478 .policy
= nl80211_policy
,
9479 .flags
= GENL_ADMIN_PERM
,
9480 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9483 .cmd
= NL80211_CMD_GET_INTERFACE
,
9484 .doit
= nl80211_get_interface
,
9485 .dumpit
= nl80211_dump_interface
,
9486 .policy
= nl80211_policy
,
9487 /* can be retrieved by unprivileged users */
9488 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9489 NL80211_FLAG_NEED_RTNL
,
9492 .cmd
= NL80211_CMD_SET_INTERFACE
,
9493 .doit
= nl80211_set_interface
,
9494 .policy
= nl80211_policy
,
9495 .flags
= GENL_ADMIN_PERM
,
9496 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9497 NL80211_FLAG_NEED_RTNL
,
9500 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9501 .doit
= nl80211_new_interface
,
9502 .policy
= nl80211_policy
,
9503 .flags
= GENL_ADMIN_PERM
,
9504 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9505 NL80211_FLAG_NEED_RTNL
,
9508 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9509 .doit
= nl80211_del_interface
,
9510 .policy
= nl80211_policy
,
9511 .flags
= GENL_ADMIN_PERM
,
9512 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9513 NL80211_FLAG_NEED_RTNL
,
9516 .cmd
= NL80211_CMD_GET_KEY
,
9517 .doit
= nl80211_get_key
,
9518 .policy
= nl80211_policy
,
9519 .flags
= GENL_ADMIN_PERM
,
9520 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9521 NL80211_FLAG_NEED_RTNL
,
9524 .cmd
= NL80211_CMD_SET_KEY
,
9525 .doit
= nl80211_set_key
,
9526 .policy
= nl80211_policy
,
9527 .flags
= GENL_ADMIN_PERM
,
9528 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9529 NL80211_FLAG_NEED_RTNL
,
9532 .cmd
= NL80211_CMD_NEW_KEY
,
9533 .doit
= nl80211_new_key
,
9534 .policy
= nl80211_policy
,
9535 .flags
= GENL_ADMIN_PERM
,
9536 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9537 NL80211_FLAG_NEED_RTNL
,
9540 .cmd
= NL80211_CMD_DEL_KEY
,
9541 .doit
= nl80211_del_key
,
9542 .policy
= nl80211_policy
,
9543 .flags
= GENL_ADMIN_PERM
,
9544 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9545 NL80211_FLAG_NEED_RTNL
,
9548 .cmd
= NL80211_CMD_SET_BEACON
,
9549 .policy
= nl80211_policy
,
9550 .flags
= GENL_ADMIN_PERM
,
9551 .doit
= nl80211_set_beacon
,
9552 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9553 NL80211_FLAG_NEED_RTNL
,
9556 .cmd
= NL80211_CMD_START_AP
,
9557 .policy
= nl80211_policy
,
9558 .flags
= GENL_ADMIN_PERM
,
9559 .doit
= nl80211_start_ap
,
9560 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9561 NL80211_FLAG_NEED_RTNL
,
9564 .cmd
= NL80211_CMD_STOP_AP
,
9565 .policy
= nl80211_policy
,
9566 .flags
= GENL_ADMIN_PERM
,
9567 .doit
= nl80211_stop_ap
,
9568 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9569 NL80211_FLAG_NEED_RTNL
,
9572 .cmd
= NL80211_CMD_GET_STATION
,
9573 .doit
= nl80211_get_station
,
9574 .dumpit
= nl80211_dump_station
,
9575 .policy
= nl80211_policy
,
9576 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9577 NL80211_FLAG_NEED_RTNL
,
9580 .cmd
= NL80211_CMD_SET_STATION
,
9581 .doit
= nl80211_set_station
,
9582 .policy
= nl80211_policy
,
9583 .flags
= GENL_ADMIN_PERM
,
9584 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9585 NL80211_FLAG_NEED_RTNL
,
9588 .cmd
= NL80211_CMD_NEW_STATION
,
9589 .doit
= nl80211_new_station
,
9590 .policy
= nl80211_policy
,
9591 .flags
= GENL_ADMIN_PERM
,
9592 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9593 NL80211_FLAG_NEED_RTNL
,
9596 .cmd
= NL80211_CMD_DEL_STATION
,
9597 .doit
= nl80211_del_station
,
9598 .policy
= nl80211_policy
,
9599 .flags
= GENL_ADMIN_PERM
,
9600 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9601 NL80211_FLAG_NEED_RTNL
,
9604 .cmd
= NL80211_CMD_GET_MPATH
,
9605 .doit
= nl80211_get_mpath
,
9606 .dumpit
= nl80211_dump_mpath
,
9607 .policy
= nl80211_policy
,
9608 .flags
= GENL_ADMIN_PERM
,
9609 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9610 NL80211_FLAG_NEED_RTNL
,
9613 .cmd
= NL80211_CMD_SET_MPATH
,
9614 .doit
= nl80211_set_mpath
,
9615 .policy
= nl80211_policy
,
9616 .flags
= GENL_ADMIN_PERM
,
9617 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9618 NL80211_FLAG_NEED_RTNL
,
9621 .cmd
= NL80211_CMD_NEW_MPATH
,
9622 .doit
= nl80211_new_mpath
,
9623 .policy
= nl80211_policy
,
9624 .flags
= GENL_ADMIN_PERM
,
9625 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9626 NL80211_FLAG_NEED_RTNL
,
9629 .cmd
= NL80211_CMD_DEL_MPATH
,
9630 .doit
= nl80211_del_mpath
,
9631 .policy
= nl80211_policy
,
9632 .flags
= GENL_ADMIN_PERM
,
9633 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9634 NL80211_FLAG_NEED_RTNL
,
9637 .cmd
= NL80211_CMD_SET_BSS
,
9638 .doit
= nl80211_set_bss
,
9639 .policy
= nl80211_policy
,
9640 .flags
= GENL_ADMIN_PERM
,
9641 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9642 NL80211_FLAG_NEED_RTNL
,
9645 .cmd
= NL80211_CMD_GET_REG
,
9646 .doit
= nl80211_get_reg
,
9647 .policy
= nl80211_policy
,
9648 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9649 /* can be retrieved by unprivileged users */
9652 .cmd
= NL80211_CMD_SET_REG
,
9653 .doit
= nl80211_set_reg
,
9654 .policy
= nl80211_policy
,
9655 .flags
= GENL_ADMIN_PERM
,
9656 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9659 .cmd
= NL80211_CMD_REQ_SET_REG
,
9660 .doit
= nl80211_req_set_reg
,
9661 .policy
= nl80211_policy
,
9662 .flags
= GENL_ADMIN_PERM
,
9665 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9666 .doit
= nl80211_get_mesh_config
,
9667 .policy
= nl80211_policy
,
9668 /* can be retrieved by unprivileged users */
9669 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9670 NL80211_FLAG_NEED_RTNL
,
9673 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9674 .doit
= nl80211_update_mesh_config
,
9675 .policy
= nl80211_policy
,
9676 .flags
= GENL_ADMIN_PERM
,
9677 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9678 NL80211_FLAG_NEED_RTNL
,
9681 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9682 .doit
= nl80211_trigger_scan
,
9683 .policy
= nl80211_policy
,
9684 .flags
= GENL_ADMIN_PERM
,
9685 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9686 NL80211_FLAG_NEED_RTNL
,
9689 .cmd
= NL80211_CMD_GET_SCAN
,
9690 .policy
= nl80211_policy
,
9691 .dumpit
= nl80211_dump_scan
,
9694 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9695 .doit
= nl80211_start_sched_scan
,
9696 .policy
= nl80211_policy
,
9697 .flags
= GENL_ADMIN_PERM
,
9698 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9699 NL80211_FLAG_NEED_RTNL
,
9702 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9703 .doit
= nl80211_stop_sched_scan
,
9704 .policy
= nl80211_policy
,
9705 .flags
= GENL_ADMIN_PERM
,
9706 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9707 NL80211_FLAG_NEED_RTNL
,
9710 .cmd
= NL80211_CMD_AUTHENTICATE
,
9711 .doit
= nl80211_authenticate
,
9712 .policy
= nl80211_policy
,
9713 .flags
= GENL_ADMIN_PERM
,
9714 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9715 NL80211_FLAG_NEED_RTNL
,
9718 .cmd
= NL80211_CMD_ASSOCIATE
,
9719 .doit
= nl80211_associate
,
9720 .policy
= nl80211_policy
,
9721 .flags
= GENL_ADMIN_PERM
,
9722 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9723 NL80211_FLAG_NEED_RTNL
,
9726 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9727 .doit
= nl80211_deauthenticate
,
9728 .policy
= nl80211_policy
,
9729 .flags
= GENL_ADMIN_PERM
,
9730 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9731 NL80211_FLAG_NEED_RTNL
,
9734 .cmd
= NL80211_CMD_DISASSOCIATE
,
9735 .doit
= nl80211_disassociate
,
9736 .policy
= nl80211_policy
,
9737 .flags
= GENL_ADMIN_PERM
,
9738 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9739 NL80211_FLAG_NEED_RTNL
,
9742 .cmd
= NL80211_CMD_JOIN_IBSS
,
9743 .doit
= nl80211_join_ibss
,
9744 .policy
= nl80211_policy
,
9745 .flags
= GENL_ADMIN_PERM
,
9746 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9747 NL80211_FLAG_NEED_RTNL
,
9750 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9751 .doit
= nl80211_leave_ibss
,
9752 .policy
= nl80211_policy
,
9753 .flags
= GENL_ADMIN_PERM
,
9754 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9755 NL80211_FLAG_NEED_RTNL
,
9757 #ifdef CONFIG_NL80211_TESTMODE
9759 .cmd
= NL80211_CMD_TESTMODE
,
9760 .doit
= nl80211_testmode_do
,
9761 .dumpit
= nl80211_testmode_dump
,
9762 .policy
= nl80211_policy
,
9763 .flags
= GENL_ADMIN_PERM
,
9764 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9765 NL80211_FLAG_NEED_RTNL
,
9769 .cmd
= NL80211_CMD_CONNECT
,
9770 .doit
= nl80211_connect
,
9771 .policy
= nl80211_policy
,
9772 .flags
= GENL_ADMIN_PERM
,
9773 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9774 NL80211_FLAG_NEED_RTNL
,
9777 .cmd
= NL80211_CMD_DISCONNECT
,
9778 .doit
= nl80211_disconnect
,
9779 .policy
= nl80211_policy
,
9780 .flags
= GENL_ADMIN_PERM
,
9781 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9782 NL80211_FLAG_NEED_RTNL
,
9785 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9786 .doit
= nl80211_wiphy_netns
,
9787 .policy
= nl80211_policy
,
9788 .flags
= GENL_ADMIN_PERM
,
9789 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9790 NL80211_FLAG_NEED_RTNL
,
9793 .cmd
= NL80211_CMD_GET_SURVEY
,
9794 .policy
= nl80211_policy
,
9795 .dumpit
= nl80211_dump_survey
,
9798 .cmd
= NL80211_CMD_SET_PMKSA
,
9799 .doit
= nl80211_setdel_pmksa
,
9800 .policy
= nl80211_policy
,
9801 .flags
= GENL_ADMIN_PERM
,
9802 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9803 NL80211_FLAG_NEED_RTNL
,
9806 .cmd
= NL80211_CMD_DEL_PMKSA
,
9807 .doit
= nl80211_setdel_pmksa
,
9808 .policy
= nl80211_policy
,
9809 .flags
= GENL_ADMIN_PERM
,
9810 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9811 NL80211_FLAG_NEED_RTNL
,
9814 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9815 .doit
= nl80211_flush_pmksa
,
9816 .policy
= nl80211_policy
,
9817 .flags
= GENL_ADMIN_PERM
,
9818 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9819 NL80211_FLAG_NEED_RTNL
,
9822 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9823 .doit
= nl80211_remain_on_channel
,
9824 .policy
= nl80211_policy
,
9825 .flags
= GENL_ADMIN_PERM
,
9826 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9827 NL80211_FLAG_NEED_RTNL
,
9830 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9831 .doit
= nl80211_cancel_remain_on_channel
,
9832 .policy
= nl80211_policy
,
9833 .flags
= GENL_ADMIN_PERM
,
9834 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9835 NL80211_FLAG_NEED_RTNL
,
9838 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9839 .doit
= nl80211_set_tx_bitrate_mask
,
9840 .policy
= nl80211_policy
,
9841 .flags
= GENL_ADMIN_PERM
,
9842 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9843 NL80211_FLAG_NEED_RTNL
,
9846 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9847 .doit
= nl80211_register_mgmt
,
9848 .policy
= nl80211_policy
,
9849 .flags
= GENL_ADMIN_PERM
,
9850 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9851 NL80211_FLAG_NEED_RTNL
,
9854 .cmd
= NL80211_CMD_FRAME
,
9855 .doit
= nl80211_tx_mgmt
,
9856 .policy
= nl80211_policy
,
9857 .flags
= GENL_ADMIN_PERM
,
9858 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9859 NL80211_FLAG_NEED_RTNL
,
9862 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9863 .doit
= nl80211_tx_mgmt_cancel_wait
,
9864 .policy
= nl80211_policy
,
9865 .flags
= GENL_ADMIN_PERM
,
9866 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9867 NL80211_FLAG_NEED_RTNL
,
9870 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9871 .doit
= nl80211_set_power_save
,
9872 .policy
= nl80211_policy
,
9873 .flags
= GENL_ADMIN_PERM
,
9874 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9875 NL80211_FLAG_NEED_RTNL
,
9878 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9879 .doit
= nl80211_get_power_save
,
9880 .policy
= nl80211_policy
,
9881 /* can be retrieved by unprivileged users */
9882 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9883 NL80211_FLAG_NEED_RTNL
,
9886 .cmd
= NL80211_CMD_SET_CQM
,
9887 .doit
= nl80211_set_cqm
,
9888 .policy
= nl80211_policy
,
9889 .flags
= GENL_ADMIN_PERM
,
9890 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9891 NL80211_FLAG_NEED_RTNL
,
9894 .cmd
= NL80211_CMD_SET_CHANNEL
,
9895 .doit
= nl80211_set_channel
,
9896 .policy
= nl80211_policy
,
9897 .flags
= GENL_ADMIN_PERM
,
9898 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9899 NL80211_FLAG_NEED_RTNL
,
9902 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9903 .doit
= nl80211_set_wds_peer
,
9904 .policy
= nl80211_policy
,
9905 .flags
= GENL_ADMIN_PERM
,
9906 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9907 NL80211_FLAG_NEED_RTNL
,
9910 .cmd
= NL80211_CMD_JOIN_MESH
,
9911 .doit
= nl80211_join_mesh
,
9912 .policy
= nl80211_policy
,
9913 .flags
= GENL_ADMIN_PERM
,
9914 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9915 NL80211_FLAG_NEED_RTNL
,
9918 .cmd
= NL80211_CMD_LEAVE_MESH
,
9919 .doit
= nl80211_leave_mesh
,
9920 .policy
= nl80211_policy
,
9921 .flags
= GENL_ADMIN_PERM
,
9922 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9923 NL80211_FLAG_NEED_RTNL
,
9927 .cmd
= NL80211_CMD_GET_WOWLAN
,
9928 .doit
= nl80211_get_wowlan
,
9929 .policy
= nl80211_policy
,
9930 /* can be retrieved by unprivileged users */
9931 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9932 NL80211_FLAG_NEED_RTNL
,
9935 .cmd
= NL80211_CMD_SET_WOWLAN
,
9936 .doit
= nl80211_set_wowlan
,
9937 .policy
= nl80211_policy
,
9938 .flags
= GENL_ADMIN_PERM
,
9939 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9940 NL80211_FLAG_NEED_RTNL
,
9944 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9945 .doit
= nl80211_set_rekey_data
,
9946 .policy
= nl80211_policy
,
9947 .flags
= GENL_ADMIN_PERM
,
9948 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9949 NL80211_FLAG_NEED_RTNL
,
9952 .cmd
= NL80211_CMD_TDLS_MGMT
,
9953 .doit
= nl80211_tdls_mgmt
,
9954 .policy
= nl80211_policy
,
9955 .flags
= GENL_ADMIN_PERM
,
9956 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9957 NL80211_FLAG_NEED_RTNL
,
9960 .cmd
= NL80211_CMD_TDLS_OPER
,
9961 .doit
= nl80211_tdls_oper
,
9962 .policy
= nl80211_policy
,
9963 .flags
= GENL_ADMIN_PERM
,
9964 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9965 NL80211_FLAG_NEED_RTNL
,
9968 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9969 .doit
= nl80211_register_unexpected_frame
,
9970 .policy
= nl80211_policy
,
9971 .flags
= GENL_ADMIN_PERM
,
9972 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9973 NL80211_FLAG_NEED_RTNL
,
9976 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9977 .doit
= nl80211_probe_client
,
9978 .policy
= nl80211_policy
,
9979 .flags
= GENL_ADMIN_PERM
,
9980 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9981 NL80211_FLAG_NEED_RTNL
,
9984 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9985 .doit
= nl80211_register_beacons
,
9986 .policy
= nl80211_policy
,
9987 .flags
= GENL_ADMIN_PERM
,
9988 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9989 NL80211_FLAG_NEED_RTNL
,
9992 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9993 .doit
= nl80211_set_noack_map
,
9994 .policy
= nl80211_policy
,
9995 .flags
= GENL_ADMIN_PERM
,
9996 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9997 NL80211_FLAG_NEED_RTNL
,
10000 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10001 .doit
= nl80211_start_p2p_device
,
10002 .policy
= nl80211_policy
,
10003 .flags
= GENL_ADMIN_PERM
,
10004 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10005 NL80211_FLAG_NEED_RTNL
,
10008 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10009 .doit
= nl80211_stop_p2p_device
,
10010 .policy
= nl80211_policy
,
10011 .flags
= GENL_ADMIN_PERM
,
10012 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10013 NL80211_FLAG_NEED_RTNL
,
10016 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10017 .doit
= nl80211_set_mcast_rate
,
10018 .policy
= nl80211_policy
,
10019 .flags
= GENL_ADMIN_PERM
,
10020 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10021 NL80211_FLAG_NEED_RTNL
,
10024 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10025 .doit
= nl80211_set_mac_acl
,
10026 .policy
= nl80211_policy
,
10027 .flags
= GENL_ADMIN_PERM
,
10028 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10029 NL80211_FLAG_NEED_RTNL
,
10032 .cmd
= NL80211_CMD_RADAR_DETECT
,
10033 .doit
= nl80211_start_radar_detection
,
10034 .policy
= nl80211_policy
,
10035 .flags
= GENL_ADMIN_PERM
,
10036 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10037 NL80211_FLAG_NEED_RTNL
,
10040 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10041 .doit
= nl80211_get_protocol_features
,
10042 .policy
= nl80211_policy
,
10045 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10046 .doit
= nl80211_update_ft_ies
,
10047 .policy
= nl80211_policy
,
10048 .flags
= GENL_ADMIN_PERM
,
10049 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10050 NL80211_FLAG_NEED_RTNL
,
10053 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10054 .doit
= nl80211_crit_protocol_start
,
10055 .policy
= nl80211_policy
,
10056 .flags
= GENL_ADMIN_PERM
,
10057 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10058 NL80211_FLAG_NEED_RTNL
,
10061 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10062 .doit
= nl80211_crit_protocol_stop
,
10063 .policy
= nl80211_policy
,
10064 .flags
= GENL_ADMIN_PERM
,
10065 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10066 NL80211_FLAG_NEED_RTNL
,
10069 .cmd
= NL80211_CMD_GET_COALESCE
,
10070 .doit
= nl80211_get_coalesce
,
10071 .policy
= nl80211_policy
,
10072 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10073 NL80211_FLAG_NEED_RTNL
,
10076 .cmd
= NL80211_CMD_SET_COALESCE
,
10077 .doit
= nl80211_set_coalesce
,
10078 .policy
= nl80211_policy
,
10079 .flags
= GENL_ADMIN_PERM
,
10080 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10081 NL80211_FLAG_NEED_RTNL
,
10084 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10085 .doit
= nl80211_channel_switch
,
10086 .policy
= nl80211_policy
,
10087 .flags
= GENL_ADMIN_PERM
,
10088 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10089 NL80211_FLAG_NEED_RTNL
,
10092 .cmd
= NL80211_CMD_VENDOR
,
10093 .doit
= nl80211_vendor_cmd
,
10094 .policy
= nl80211_policy
,
10095 .flags
= GENL_ADMIN_PERM
,
10096 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10097 NL80211_FLAG_NEED_RTNL
,
10100 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10101 .doit
= nl80211_set_qos_map
,
10102 .policy
= nl80211_policy
,
10103 .flags
= GENL_ADMIN_PERM
,
10104 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10105 NL80211_FLAG_NEED_RTNL
,
10109 /* notification functions */
10111 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10112 enum nl80211_commands cmd
)
10114 struct sk_buff
*msg
;
10115 struct nl80211_dump_wiphy_state state
= {};
10117 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10118 cmd
!= NL80211_CMD_DEL_WIPHY
);
10120 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10124 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10129 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10130 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10133 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10134 struct cfg80211_registered_device
*rdev
)
10136 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10137 struct nlattr
*nest
;
10143 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10145 goto nla_put_failure
;
10146 for (i
= 0; i
< req
->n_ssids
; i
++) {
10147 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10148 goto nla_put_failure
;
10150 nla_nest_end(msg
, nest
);
10152 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10154 goto nla_put_failure
;
10155 for (i
= 0; i
< req
->n_channels
; i
++) {
10156 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10157 goto nla_put_failure
;
10159 nla_nest_end(msg
, nest
);
10162 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10163 goto nla_put_failure
;
10166 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10167 goto nla_put_failure
;
10174 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10175 struct cfg80211_registered_device
*rdev
,
10176 struct wireless_dev
*wdev
,
10177 u32 portid
, u32 seq
, int flags
,
10182 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10186 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10187 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10188 wdev
->netdev
->ifindex
)) ||
10189 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10190 goto nla_put_failure
;
10192 /* ignore errors and send incomplete event anyway */
10193 nl80211_add_scan_req(msg
, rdev
);
10195 return genlmsg_end(msg
, hdr
);
10198 genlmsg_cancel(msg
, hdr
);
10203 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10204 struct cfg80211_registered_device
*rdev
,
10205 struct net_device
*netdev
,
10206 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10210 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10214 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10215 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10216 goto nla_put_failure
;
10218 return genlmsg_end(msg
, hdr
);
10221 genlmsg_cancel(msg
, hdr
);
10225 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10226 struct wireless_dev
*wdev
)
10228 struct sk_buff
*msg
;
10230 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10234 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10235 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10240 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10241 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10244 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10245 struct wireless_dev
*wdev
, bool aborted
)
10247 struct sk_buff
*msg
;
10249 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10253 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10254 aborted
? NL80211_CMD_SCAN_ABORTED
:
10255 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10263 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10264 struct sk_buff
*msg
)
10269 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10270 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10273 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10274 struct net_device
*netdev
)
10276 struct sk_buff
*msg
;
10278 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10282 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10283 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10288 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10289 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10292 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10293 struct net_device
*netdev
, u32 cmd
)
10295 struct sk_buff
*msg
;
10297 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10301 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10306 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10307 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10311 * This can happen on global regulatory changes or device specific settings
10312 * based on custom world regulatory domains.
10314 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10316 struct sk_buff
*msg
;
10319 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10323 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10329 /* Userspace can always count this one always being set */
10330 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10331 goto nla_put_failure
;
10333 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10334 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10335 NL80211_REGDOM_TYPE_WORLD
))
10336 goto nla_put_failure
;
10337 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10338 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10339 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10340 goto nla_put_failure
;
10341 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10342 request
->intersect
) {
10343 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10344 NL80211_REGDOM_TYPE_INTERSECTION
))
10345 goto nla_put_failure
;
10347 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10348 NL80211_REGDOM_TYPE_COUNTRY
) ||
10349 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10351 goto nla_put_failure
;
10354 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10355 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10356 goto nla_put_failure
;
10358 genlmsg_end(msg
, hdr
);
10361 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10362 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10368 genlmsg_cancel(msg
, hdr
);
10372 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
10373 struct net_device
*netdev
,
10374 const u8
*buf
, size_t len
,
10375 enum nl80211_commands cmd
, gfp_t gfp
)
10377 struct sk_buff
*msg
;
10380 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10384 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10390 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10391 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10392 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10393 goto nla_put_failure
;
10395 genlmsg_end(msg
, hdr
);
10397 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10398 NL80211_MCGRP_MLME
, gfp
);
10402 genlmsg_cancel(msg
, hdr
);
10406 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
10407 struct net_device
*netdev
, const u8
*buf
,
10408 size_t len
, gfp_t gfp
)
10410 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10411 NL80211_CMD_AUTHENTICATE
, gfp
);
10414 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
10415 struct net_device
*netdev
, const u8
*buf
,
10416 size_t len
, gfp_t gfp
)
10418 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10419 NL80211_CMD_ASSOCIATE
, gfp
);
10422 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
10423 struct net_device
*netdev
, const u8
*buf
,
10424 size_t len
, gfp_t gfp
)
10426 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10427 NL80211_CMD_DEAUTHENTICATE
, gfp
);
10430 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
10431 struct net_device
*netdev
, const u8
*buf
,
10432 size_t len
, gfp_t gfp
)
10434 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10435 NL80211_CMD_DISASSOCIATE
, gfp
);
10438 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
10441 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10442 struct wiphy
*wiphy
= wdev
->wiphy
;
10443 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10444 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
10447 if (WARN_ON(len
< 2))
10450 if (ieee80211_is_deauth(mgmt
->frame_control
))
10451 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
10453 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
10455 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
10456 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
10458 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
10460 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
10461 struct net_device
*netdev
, int cmd
,
10462 const u8
*addr
, gfp_t gfp
)
10464 struct sk_buff
*msg
;
10467 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10471 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10477 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10478 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10479 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
10480 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10481 goto nla_put_failure
;
10483 genlmsg_end(msg
, hdr
);
10485 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10486 NL80211_MCGRP_MLME
, gfp
);
10490 genlmsg_cancel(msg
, hdr
);
10494 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10495 struct net_device
*netdev
, const u8
*addr
,
10498 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10502 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10503 struct net_device
*netdev
, const u8
*addr
,
10506 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10510 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10511 struct net_device
*netdev
, const u8
*bssid
,
10512 const u8
*req_ie
, size_t req_ie_len
,
10513 const u8
*resp_ie
, size_t resp_ie_len
,
10514 u16 status
, gfp_t gfp
)
10516 struct sk_buff
*msg
;
10519 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10523 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10529 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10530 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10531 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10532 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10534 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10536 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10537 goto nla_put_failure
;
10539 genlmsg_end(msg
, hdr
);
10541 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10542 NL80211_MCGRP_MLME
, gfp
);
10546 genlmsg_cancel(msg
, hdr
);
10551 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10552 struct net_device
*netdev
, const u8
*bssid
,
10553 const u8
*req_ie
, size_t req_ie_len
,
10554 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10556 struct sk_buff
*msg
;
10559 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10563 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10569 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10570 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10571 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10573 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10575 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10576 goto nla_put_failure
;
10578 genlmsg_end(msg
, hdr
);
10580 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10581 NL80211_MCGRP_MLME
, gfp
);
10585 genlmsg_cancel(msg
, hdr
);
10590 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10591 struct net_device
*netdev
, u16 reason
,
10592 const u8
*ie
, size_t ie_len
, bool from_ap
)
10594 struct sk_buff
*msg
;
10597 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10601 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10607 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10608 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10609 (from_ap
&& reason
&&
10610 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10612 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10613 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10614 goto nla_put_failure
;
10616 genlmsg_end(msg
, hdr
);
10618 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10619 NL80211_MCGRP_MLME
, GFP_KERNEL
);
10623 genlmsg_cancel(msg
, hdr
);
10628 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10629 struct net_device
*netdev
, const u8
*bssid
,
10632 struct sk_buff
*msg
;
10635 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10639 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10645 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10646 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10647 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10648 goto nla_put_failure
;
10650 genlmsg_end(msg
, hdr
);
10652 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10653 NL80211_MCGRP_MLME
, gfp
);
10657 genlmsg_cancel(msg
, hdr
);
10661 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10662 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10664 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10665 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
10666 struct sk_buff
*msg
;
10669 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10672 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10674 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10678 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10684 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10685 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10686 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10688 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10689 goto nla_put_failure
;
10691 genlmsg_end(msg
, hdr
);
10693 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10694 NL80211_MCGRP_MLME
, gfp
);
10698 genlmsg_cancel(msg
, hdr
);
10701 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10703 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10704 struct net_device
*netdev
, const u8
*addr
,
10705 enum nl80211_key_type key_type
, int key_id
,
10706 const u8
*tsc
, gfp_t gfp
)
10708 struct sk_buff
*msg
;
10711 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10715 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10721 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10722 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10723 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10724 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10726 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10727 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10728 goto nla_put_failure
;
10730 genlmsg_end(msg
, hdr
);
10732 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10733 NL80211_MCGRP_MLME
, gfp
);
10737 genlmsg_cancel(msg
, hdr
);
10741 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10742 struct ieee80211_channel
*channel_before
,
10743 struct ieee80211_channel
*channel_after
)
10745 struct sk_buff
*msg
;
10747 struct nlattr
*nl_freq
;
10749 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10753 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10760 * Since we are applying the beacon hint to a wiphy we know its
10761 * wiphy_idx is valid
10763 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10764 goto nla_put_failure
;
10767 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10769 goto nla_put_failure
;
10770 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10771 goto nla_put_failure
;
10772 nla_nest_end(msg
, nl_freq
);
10775 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10777 goto nla_put_failure
;
10778 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10779 goto nla_put_failure
;
10780 nla_nest_end(msg
, nl_freq
);
10782 genlmsg_end(msg
, hdr
);
10785 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10786 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10792 genlmsg_cancel(msg
, hdr
);
10796 static void nl80211_send_remain_on_chan_event(
10797 int cmd
, struct cfg80211_registered_device
*rdev
,
10798 struct wireless_dev
*wdev
, u64 cookie
,
10799 struct ieee80211_channel
*chan
,
10800 unsigned int duration
, gfp_t gfp
)
10802 struct sk_buff
*msg
;
10805 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10809 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10815 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10816 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10817 wdev
->netdev
->ifindex
)) ||
10818 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10819 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10820 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10821 NL80211_CHAN_NO_HT
) ||
10822 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10823 goto nla_put_failure
;
10825 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10826 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10827 goto nla_put_failure
;
10829 genlmsg_end(msg
, hdr
);
10831 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10832 NL80211_MCGRP_MLME
, gfp
);
10836 genlmsg_cancel(msg
, hdr
);
10840 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10841 struct ieee80211_channel
*chan
,
10842 unsigned int duration
, gfp_t gfp
)
10844 struct wiphy
*wiphy
= wdev
->wiphy
;
10845 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10847 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10848 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10849 rdev
, wdev
, cookie
, chan
,
10852 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10854 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10855 struct ieee80211_channel
*chan
,
10858 struct wiphy
*wiphy
= wdev
->wiphy
;
10859 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10861 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10862 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10863 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10865 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10867 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10868 struct station_info
*sinfo
, gfp_t gfp
)
10870 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10871 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10872 struct sk_buff
*msg
;
10874 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10876 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10880 if (nl80211_send_station(msg
, 0, 0, 0,
10881 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10886 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10887 NL80211_MCGRP_MLME
, gfp
);
10889 EXPORT_SYMBOL(cfg80211_new_sta
);
10891 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10893 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10894 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10895 struct sk_buff
*msg
;
10898 trace_cfg80211_del_sta(dev
, mac_addr
);
10900 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10904 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10910 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10911 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10912 goto nla_put_failure
;
10914 genlmsg_end(msg
, hdr
);
10916 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10917 NL80211_MCGRP_MLME
, gfp
);
10921 genlmsg_cancel(msg
, hdr
);
10924 EXPORT_SYMBOL(cfg80211_del_sta
);
10926 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10927 enum nl80211_connect_failed_reason reason
,
10930 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10931 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10932 struct sk_buff
*msg
;
10935 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10939 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10945 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10946 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10947 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10948 goto nla_put_failure
;
10950 genlmsg_end(msg
, hdr
);
10952 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10953 NL80211_MCGRP_MLME
, gfp
);
10957 genlmsg_cancel(msg
, hdr
);
10960 EXPORT_SYMBOL(cfg80211_conn_failed
);
10962 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10963 const u8
*addr
, gfp_t gfp
)
10965 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10966 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
10967 struct sk_buff
*msg
;
10969 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10974 msg
= nlmsg_new(100, gfp
);
10978 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10984 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10985 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10986 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10987 goto nla_put_failure
;
10989 genlmsg_end(msg
, hdr
);
10990 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10994 genlmsg_cancel(msg
, hdr
);
10999 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11000 const u8
*addr
, gfp_t gfp
)
11002 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11005 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11007 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11008 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11009 trace_cfg80211_return_bool(false);
11012 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11014 trace_cfg80211_return_bool(ret
);
11017 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11019 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11020 const u8
*addr
, gfp_t gfp
)
11022 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11025 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11027 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11028 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11029 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11030 trace_cfg80211_return_bool(false);
11033 ret
= __nl80211_unexpected_frame(dev
,
11034 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11036 trace_cfg80211_return_bool(ret
);
11039 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11041 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11042 struct wireless_dev
*wdev
, u32 nlportid
,
11043 int freq
, int sig_dbm
,
11044 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11046 struct net_device
*netdev
= wdev
->netdev
;
11047 struct sk_buff
*msg
;
11050 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11054 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11060 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11061 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11062 netdev
->ifindex
)) ||
11063 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11064 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11066 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11067 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11069 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11070 goto nla_put_failure
;
11072 genlmsg_end(msg
, hdr
);
11074 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11077 genlmsg_cancel(msg
, hdr
);
11082 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11083 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11085 struct wiphy
*wiphy
= wdev
->wiphy
;
11086 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11087 struct net_device
*netdev
= wdev
->netdev
;
11088 struct sk_buff
*msg
;
11091 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11093 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11097 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11103 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11104 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11105 netdev
->ifindex
)) ||
11106 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11107 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11108 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11109 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11110 goto nla_put_failure
;
11112 genlmsg_end(msg
, hdr
);
11114 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11115 NL80211_MCGRP_MLME
, gfp
);
11119 genlmsg_cancel(msg
, hdr
);
11122 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11124 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11125 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11128 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11129 struct wiphy
*wiphy
= wdev
->wiphy
;
11130 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11131 struct sk_buff
*msg
;
11132 struct nlattr
*pinfoattr
;
11135 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11137 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11141 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11147 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11148 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11149 goto nla_put_failure
;
11151 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11153 goto nla_put_failure
;
11155 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11157 goto nla_put_failure
;
11159 nla_nest_end(msg
, pinfoattr
);
11161 genlmsg_end(msg
, hdr
);
11163 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11164 NL80211_MCGRP_MLME
, gfp
);
11168 genlmsg_cancel(msg
, hdr
);
11171 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11173 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
11174 struct net_device
*netdev
, const u8
*bssid
,
11175 const u8
*replay_ctr
, gfp_t gfp
)
11177 struct sk_buff
*msg
;
11178 struct nlattr
*rekey_attr
;
11181 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11185 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
11191 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11192 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11193 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11194 goto nla_put_failure
;
11196 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
11198 goto nla_put_failure
;
11200 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
11201 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
11202 goto nla_put_failure
;
11204 nla_nest_end(msg
, rekey_attr
);
11206 genlmsg_end(msg
, hdr
);
11208 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11209 NL80211_MCGRP_MLME
, gfp
);
11213 genlmsg_cancel(msg
, hdr
);
11217 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
11218 const u8
*replay_ctr
, gfp_t gfp
)
11220 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11221 struct wiphy
*wiphy
= wdev
->wiphy
;
11222 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11224 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11225 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11227 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11230 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11231 struct net_device
*netdev
, int index
,
11232 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11234 struct sk_buff
*msg
;
11235 struct nlattr
*attr
;
11238 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11242 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11248 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11249 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11250 goto nla_put_failure
;
11252 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11254 goto nla_put_failure
;
11256 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
11257 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
11259 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
11260 goto nla_put_failure
;
11262 nla_nest_end(msg
, attr
);
11264 genlmsg_end(msg
, hdr
);
11266 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11267 NL80211_MCGRP_MLME
, gfp
);
11271 genlmsg_cancel(msg
, hdr
);
11275 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
11276 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11278 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11279 struct wiphy
*wiphy
= wdev
->wiphy
;
11280 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11282 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
11283 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
11285 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
11287 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
11288 struct net_device
*netdev
,
11289 struct cfg80211_chan_def
*chandef
,
11292 struct sk_buff
*msg
;
11295 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11299 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
11305 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11306 goto nla_put_failure
;
11308 if (nl80211_send_chandef(msg
, chandef
))
11309 goto nla_put_failure
;
11311 genlmsg_end(msg
, hdr
);
11313 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11314 NL80211_MCGRP_MLME
, gfp
);
11318 genlmsg_cancel(msg
, hdr
);
11322 void cfg80211_ch_switch_notify(struct net_device
*dev
,
11323 struct cfg80211_chan_def
*chandef
)
11325 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11326 struct wiphy
*wiphy
= wdev
->wiphy
;
11327 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11329 ASSERT_WDEV_LOCK(wdev
);
11331 trace_cfg80211_ch_switch_notify(dev
, chandef
);
11333 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11334 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11335 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
11336 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11339 wdev
->chandef
= *chandef
;
11340 wdev
->preset_chandef
= *chandef
;
11341 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
11343 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
11345 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11346 const u8
*peer
, u32 num_packets
,
11347 u32 rate
, u32 intvl
, gfp_t gfp
)
11349 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11350 struct wiphy
*wiphy
= wdev
->wiphy
;
11351 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11352 struct sk_buff
*msg
;
11353 struct nlattr
*pinfoattr
;
11356 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11360 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11366 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11367 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11368 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11369 goto nla_put_failure
;
11371 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11373 goto nla_put_failure
;
11375 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11376 goto nla_put_failure
;
11378 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11379 goto nla_put_failure
;
11381 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11382 goto nla_put_failure
;
11384 nla_nest_end(msg
, pinfoattr
);
11386 genlmsg_end(msg
, hdr
);
11388 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11389 NL80211_MCGRP_MLME
, gfp
);
11393 genlmsg_cancel(msg
, hdr
);
11396 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11399 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
11400 const struct cfg80211_chan_def
*chandef
,
11401 enum nl80211_radar_event event
,
11402 struct net_device
*netdev
, gfp_t gfp
)
11404 struct sk_buff
*msg
;
11407 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11411 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
11417 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
11418 goto nla_put_failure
;
11420 /* NOP and radar events don't need a netdev parameter */
11422 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
11424 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11425 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11426 goto nla_put_failure
;
11429 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
11430 goto nla_put_failure
;
11432 if (nl80211_send_chandef(msg
, chandef
))
11433 goto nla_put_failure
;
11435 genlmsg_end(msg
, hdr
);
11437 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11438 NL80211_MCGRP_MLME
, gfp
);
11442 genlmsg_cancel(msg
, hdr
);
11446 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11447 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11449 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11450 struct wiphy
*wiphy
= wdev
->wiphy
;
11451 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11452 struct sk_buff
*msg
;
11453 struct nlattr
*pinfoattr
;
11456 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11458 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11462 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11468 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11469 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11470 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11471 goto nla_put_failure
;
11473 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11475 goto nla_put_failure
;
11477 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11478 goto nla_put_failure
;
11480 nla_nest_end(msg
, pinfoattr
);
11482 genlmsg_end(msg
, hdr
);
11484 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11485 NL80211_MCGRP_MLME
, gfp
);
11489 genlmsg_cancel(msg
, hdr
);
11492 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11494 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11495 u64 cookie
, bool acked
, gfp_t gfp
)
11497 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11498 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11499 struct sk_buff
*msg
;
11502 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11504 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11509 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11515 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11516 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11517 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11518 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11519 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11520 goto nla_put_failure
;
11522 genlmsg_end(msg
, hdr
);
11524 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11525 NL80211_MCGRP_MLME
, gfp
);
11529 genlmsg_cancel(msg
, hdr
);
11532 EXPORT_SYMBOL(cfg80211_probe_status
);
11534 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11535 const u8
*frame
, size_t len
,
11536 int freq
, int sig_dbm
)
11538 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11539 struct sk_buff
*msg
;
11541 struct cfg80211_beacon_registration
*reg
;
11543 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11545 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11546 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11547 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11549 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11553 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11555 goto nla_put_failure
;
11557 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11559 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11561 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11562 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11563 goto nla_put_failure
;
11565 genlmsg_end(msg
, hdr
);
11567 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11569 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11573 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11575 genlmsg_cancel(msg
, hdr
);
11578 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11581 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11582 struct cfg80211_wowlan_wakeup
*wakeup
,
11585 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11586 struct sk_buff
*msg
;
11590 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11593 size
+= wakeup
->packet_present_len
;
11595 msg
= nlmsg_new(size
, gfp
);
11599 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11603 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11604 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11607 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11608 wdev
->netdev
->ifindex
))
11612 struct nlattr
*reasons
;
11614 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11618 if (wakeup
->disconnect
&&
11619 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11621 if (wakeup
->magic_pkt
&&
11622 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11624 if (wakeup
->gtk_rekey_failure
&&
11625 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11627 if (wakeup
->eap_identity_req
&&
11628 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11630 if (wakeup
->four_way_handshake
&&
11631 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11633 if (wakeup
->rfkill_release
&&
11634 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11637 if (wakeup
->pattern_idx
>= 0 &&
11638 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11639 wakeup
->pattern_idx
))
11642 if (wakeup
->tcp_match
&&
11643 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
11646 if (wakeup
->tcp_connlost
&&
11647 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
11650 if (wakeup
->tcp_nomoretokens
&&
11652 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
11655 if (wakeup
->packet
) {
11656 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11657 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11659 if (!wakeup
->packet_80211
) {
11661 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11663 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11666 if (wakeup
->packet_len
&&
11667 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11670 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11675 nla_nest_end(msg
, reasons
);
11678 genlmsg_end(msg
, hdr
);
11680 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11681 NL80211_MCGRP_MLME
, gfp
);
11687 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11690 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11691 enum nl80211_tdls_operation oper
,
11692 u16 reason_code
, gfp_t gfp
)
11694 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11695 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11696 struct sk_buff
*msg
;
11699 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11702 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11706 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11712 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11713 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11714 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11715 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11716 (reason_code
> 0 &&
11717 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11718 goto nla_put_failure
;
11720 genlmsg_end(msg
, hdr
);
11722 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11723 NL80211_MCGRP_MLME
, gfp
);
11727 genlmsg_cancel(msg
, hdr
);
11730 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11732 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11733 unsigned long state
,
11736 struct netlink_notify
*notify
= _notify
;
11737 struct cfg80211_registered_device
*rdev
;
11738 struct wireless_dev
*wdev
;
11739 struct cfg80211_beacon_registration
*reg
, *tmp
;
11741 if (state
!= NETLINK_URELEASE
)
11742 return NOTIFY_DONE
;
11746 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11747 bool schedule_destroy_work
= false;
11749 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
11750 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11752 if (wdev
->owner_nlportid
== notify
->portid
)
11753 schedule_destroy_work
= true;
11756 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11757 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11759 if (reg
->nlportid
== notify
->portid
) {
11760 list_del(®
->list
);
11765 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11767 if (schedule_destroy_work
) {
11768 struct cfg80211_iface_destroy
*destroy
;
11770 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
11772 destroy
->nlportid
= notify
->portid
;
11773 spin_lock(&rdev
->destroy_list_lock
);
11774 list_add(&destroy
->list
, &rdev
->destroy_list
);
11775 spin_unlock(&rdev
->destroy_list_lock
);
11776 schedule_work(&rdev
->destroy_work
);
11786 static struct notifier_block nl80211_netlink_notifier
= {
11787 .notifier_call
= nl80211_netlink_notify
,
11790 void cfg80211_ft_event(struct net_device
*netdev
,
11791 struct cfg80211_ft_event_params
*ft_event
)
11793 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11794 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11795 struct sk_buff
*msg
;
11798 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11800 if (!ft_event
->target_ap
)
11803 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11807 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11811 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11812 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11813 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
11816 if (ft_event
->ies
&&
11817 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
11819 if (ft_event
->ric_ies
&&
11820 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11821 ft_event
->ric_ies
))
11824 genlmsg_end(msg
, hdr
);
11826 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11827 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11832 EXPORT_SYMBOL(cfg80211_ft_event
);
11834 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11836 struct cfg80211_registered_device
*rdev
;
11837 struct sk_buff
*msg
;
11841 rdev
= wiphy_to_rdev(wdev
->wiphy
);
11842 if (!rdev
->crit_proto_nlportid
)
11845 nlportid
= rdev
->crit_proto_nlportid
;
11846 rdev
->crit_proto_nlportid
= 0;
11848 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11852 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11854 goto nla_put_failure
;
11856 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11857 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11858 goto nla_put_failure
;
11860 genlmsg_end(msg
, hdr
);
11862 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11867 genlmsg_cancel(msg
, hdr
);
11871 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11873 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
11875 struct wiphy
*wiphy
= wdev
->wiphy
;
11876 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11877 struct sk_buff
*msg
;
11880 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11884 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
11888 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11889 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
11890 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11893 genlmsg_end(msg
, hdr
);
11895 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
11896 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11902 /* initialisation/exit functions */
11904 int nl80211_init(void)
11908 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
11913 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11919 genl_unregister_family(&nl80211_fam
);
11923 void nl80211_exit(void)
11925 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11926 genl_unregister_family(&nl80211_fam
);