2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
9 #include <linux/module.h>
10 #include <linux/err.h>
11 #include <linux/slab.h>
12 #include <linux/list.h>
13 #include <linux/if_ether.h>
14 #include <linux/ieee80211.h>
15 #include <linux/nl80211.h>
16 #include <linux/rtnetlink.h>
17 #include <linux/netlink.h>
18 #include <linux/etherdevice.h>
19 #include <net/net_namespace.h>
20 #include <net/genetlink.h>
21 #include <net/cfg80211.h>
23 #include <net/inet_connection_sock.h>
29 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
30 struct genl_info
*info
,
31 struct cfg80211_crypto_settings
*settings
,
34 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
35 struct genl_info
*info
);
36 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
37 struct genl_info
*info
);
39 /* the netlink family */
40 static struct genl_family nl80211_fam
= {
41 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
42 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
43 .hdrsize
= 0, /* no private header */
44 .version
= 1, /* no particular meaning now */
45 .maxattr
= NL80211_ATTR_MAX
,
47 .pre_doit
= nl80211_pre_doit
,
48 .post_doit
= nl80211_post_doit
,
51 /* multicast groups */
52 enum nl80211_multicast_groups
{
55 NL80211_MCGRP_REGULATORY
,
58 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
61 static const struct genl_multicast_group nl80211_mcgrps
[] = {
62 [NL80211_MCGRP_CONFIG
] = { .name
= "config", },
63 [NL80211_MCGRP_SCAN
] = { .name
= "scan", },
64 [NL80211_MCGRP_REGULATORY
] = { .name
= "regulatory", },
65 [NL80211_MCGRP_MLME
] = { .name
= "mlme", },
66 [NL80211_MCGRP_VENDOR
] = { .name
= "vendor", },
67 #ifdef CONFIG_NL80211_TESTMODE
68 [NL80211_MCGRP_TESTMODE
] = { .name
= "testmode", }
72 /* returns ERR_PTR values */
73 static struct wireless_dev
*
74 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
76 struct cfg80211_registered_device
*rdev
;
77 struct wireless_dev
*result
= NULL
;
78 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
79 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
86 if (!have_ifidx
&& !have_wdev_id
)
87 return ERR_PTR(-EINVAL
);
90 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
92 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
93 wiphy_idx
= wdev_id
>> 32;
96 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
97 struct wireless_dev
*wdev
;
99 if (wiphy_net(&rdev
->wiphy
) != netns
)
102 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
105 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
106 if (have_ifidx
&& wdev
->netdev
&&
107 wdev
->netdev
->ifindex
== ifidx
) {
111 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
123 return ERR_PTR(-ENODEV
);
126 static struct cfg80211_registered_device
*
127 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
129 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
130 struct net_device
*netdev
;
134 if (!attrs
[NL80211_ATTR_WIPHY
] &&
135 !attrs
[NL80211_ATTR_IFINDEX
] &&
136 !attrs
[NL80211_ATTR_WDEV
])
137 return ERR_PTR(-EINVAL
);
139 if (attrs
[NL80211_ATTR_WIPHY
])
140 rdev
= cfg80211_rdev_by_wiphy_idx(
141 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
143 if (attrs
[NL80211_ATTR_WDEV
]) {
144 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
145 struct wireless_dev
*wdev
;
148 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
150 /* make sure wdev exists */
151 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
152 if (wdev
->identifier
!= (u32
)wdev_id
)
161 if (rdev
&& tmp
!= rdev
)
162 return ERR_PTR(-EINVAL
);
167 if (attrs
[NL80211_ATTR_IFINDEX
]) {
168 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
169 netdev
= __dev_get_by_index(netns
, ifindex
);
171 if (netdev
->ieee80211_ptr
)
173 netdev
->ieee80211_ptr
->wiphy
);
177 /* not wireless device -- return error */
179 return ERR_PTR(-EINVAL
);
181 /* mismatch -- return error */
182 if (rdev
&& tmp
!= rdev
)
183 return ERR_PTR(-EINVAL
);
190 return ERR_PTR(-ENODEV
);
192 if (netns
!= wiphy_net(&rdev
->wiphy
))
193 return ERR_PTR(-ENODEV
);
199 * This function returns a pointer to the driver
200 * that the genl_info item that is passed refers to.
202 * The result of this can be a PTR_ERR and hence must
203 * be checked with IS_ERR() for errors.
205 static struct cfg80211_registered_device
*
206 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
208 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
211 /* policy for the attributes */
212 static const struct nla_policy nl80211_policy
[NUM_NL80211_ATTR
] = {
213 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
214 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
216 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
218 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
219 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
220 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
224 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
225 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
226 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
227 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
228 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
229 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
231 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
232 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
233 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
235 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
236 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
238 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
239 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
240 .len
= WLAN_MAX_KEY_LEN
},
241 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
242 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
243 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
244 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
245 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
247 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
248 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
249 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
250 .len
= IEEE80211_MAX_DATA_LEN
},
251 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
252 .len
= IEEE80211_MAX_DATA_LEN
},
253 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
254 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
255 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
256 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
257 .len
= NL80211_MAX_SUPP_RATES
},
258 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
259 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
260 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
261 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
262 .len
= IEEE80211_MAX_MESH_ID_LEN
},
263 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
265 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
266 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
268 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
269 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
270 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
271 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
272 .len
= NL80211_MAX_SUPP_RATES
},
273 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
275 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
276 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
278 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
280 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
281 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
282 .len
= IEEE80211_MAX_DATA_LEN
},
283 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
284 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
286 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
287 .len
= IEEE80211_MAX_SSID_LEN
},
288 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
289 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
290 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
291 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
292 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
293 [NL80211_ATTR_STA_FLAGS2
] = {
294 .len
= sizeof(struct nl80211_sta_flag_update
),
296 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
297 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
298 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
299 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
300 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
301 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
302 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
303 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
304 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
305 .len
= WLAN_PMKID_LEN
},
306 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
307 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
308 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
309 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
310 .len
= IEEE80211_MAX_DATA_LEN
},
311 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
312 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
313 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
314 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
315 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
316 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
317 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
318 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
319 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
321 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
322 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
323 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
324 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
325 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
326 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
327 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
328 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
329 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
330 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
331 .len
= IEEE80211_MAX_DATA_LEN
},
332 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
333 .len
= IEEE80211_MAX_DATA_LEN
},
334 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
335 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
336 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
337 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
338 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
339 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
340 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
341 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
342 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
343 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
344 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
345 .len
= IEEE80211_MAX_DATA_LEN
},
346 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
347 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
348 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
349 .len
= NL80211_HT_CAPABILITY_LEN
351 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
352 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
353 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
355 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
356 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
357 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
358 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
359 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
360 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
361 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
362 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
363 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
364 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
365 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
366 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
367 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
368 .len
= NL80211_VHT_CAPABILITY_LEN
,
370 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
371 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
372 .len
= IEEE80211_MAX_DATA_LEN
},
373 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
374 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
375 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
376 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
377 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
378 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
379 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
380 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
381 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
382 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
383 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
384 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
385 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
386 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
387 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
388 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
389 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
390 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
391 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
392 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
393 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
394 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
395 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
397 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
398 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
399 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG
] = { .type
= NLA_FLAG
},
402 /* policy for the key attributes */
403 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
404 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
405 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
406 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
407 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
408 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
409 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
410 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
411 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
414 /* policy for the key default flags */
415 static const struct nla_policy
416 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
417 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
418 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
421 /* policy for WoWLAN attributes */
422 static const struct nla_policy
423 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
424 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
425 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
426 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
427 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
428 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
429 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
430 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
431 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
432 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
433 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
436 static const struct nla_policy
437 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
438 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
439 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
440 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
441 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
442 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
443 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
444 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
445 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
447 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
448 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
450 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
451 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
452 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
455 /* policy for coalesce rule attributes */
456 static const struct nla_policy
457 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
458 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
459 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
460 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
463 /* policy for GTK rekey offload attributes */
464 static const struct nla_policy
465 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
466 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
467 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
468 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
471 static const struct nla_policy
472 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
473 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
474 .len
= IEEE80211_MAX_SSID_LEN
},
475 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
478 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
479 struct netlink_callback
*cb
,
480 struct cfg80211_registered_device
**rdev
,
481 struct wireless_dev
**wdev
)
488 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
489 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
494 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
495 nl80211_fam
.attrbuf
);
497 err
= PTR_ERR(*wdev
);
500 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
501 /* 0 is the first index - add 1 to parse only once */
502 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
503 cb
->args
[1] = (*wdev
)->identifier
;
505 /* subtract the 1 again here */
506 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
507 struct wireless_dev
*tmp
;
513 *rdev
= wiphy_to_rdev(wiphy
);
516 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
517 if (tmp
->identifier
== cb
->args
[1]) {
535 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
541 static bool is_valid_ie_attr(const struct nlattr
*attr
)
549 pos
= nla_data(attr
);
570 /* message building helper */
571 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
574 /* since there is no private header just add the generic one */
575 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
578 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
579 struct ieee80211_channel
*chan
,
582 /* Some channels must be completely excluded from the
583 * list to protect old user-space tools from breaking
585 if (!large
&& chan
->flags
&
586 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
589 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
591 goto nla_put_failure
;
593 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
594 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
595 goto nla_put_failure
;
596 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
597 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
598 goto nla_put_failure
;
599 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
600 goto nla_put_failure
;
602 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
603 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
604 goto nla_put_failure
;
608 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
610 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
612 goto nla_put_failure
;
613 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
615 goto nla_put_failure
;
617 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
619 goto nla_put_failure
;
624 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
625 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
626 goto nla_put_failure
;
627 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
628 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
629 goto nla_put_failure
;
630 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
631 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
632 goto nla_put_failure
;
633 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
634 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
635 goto nla_put_failure
;
636 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
637 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
638 goto nla_put_failure
;
639 if ((chan
->flags
& IEEE80211_CHAN_GO_CONCURRENT
) &&
640 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_GO_CONCURRENT
))
641 goto nla_put_failure
;
642 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
643 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
644 goto nla_put_failure
;
645 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
646 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
647 goto nla_put_failure
;
650 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
651 DBM_TO_MBM(chan
->max_power
)))
652 goto nla_put_failure
;
660 /* netlink command implementations */
667 bool def_uni
, def_multi
;
670 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
672 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
673 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
678 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
679 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
688 if (tb
[NL80211_KEY_IDX
])
689 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
691 if (tb
[NL80211_KEY_DATA
]) {
692 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
693 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
696 if (tb
[NL80211_KEY_SEQ
]) {
697 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
698 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
701 if (tb
[NL80211_KEY_CIPHER
])
702 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
704 if (tb
[NL80211_KEY_TYPE
]) {
705 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
706 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
710 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
711 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
712 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
713 tb
[NL80211_KEY_DEFAULT_TYPES
],
714 nl80211_key_default_policy
);
718 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
719 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
725 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
727 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
728 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
729 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
732 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
733 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
734 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
737 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
738 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
740 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
741 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
743 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
744 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
753 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
754 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
755 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
759 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
760 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
761 int err
= nla_parse_nested(
762 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
763 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
764 nl80211_key_default_policy
);
768 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
769 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
775 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
779 memset(k
, 0, sizeof(*k
));
783 if (info
->attrs
[NL80211_ATTR_KEY
])
784 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
786 err
= nl80211_parse_key_old(info
, k
);
791 if (k
->def
&& k
->defmgmt
)
795 if (k
->def_uni
|| !k
->def_multi
)
801 if (k
->idx
< 4 || k
->idx
> 5)
804 if (k
->idx
< 0 || k
->idx
> 3)
807 if (k
->idx
< 0 || k
->idx
> 5)
815 static struct cfg80211_cached_keys
*
816 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
817 struct nlattr
*keys
, bool *no_ht
)
819 struct key_parse parse
;
821 struct cfg80211_cached_keys
*result
;
822 int rem
, err
, def
= 0;
824 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
826 return ERR_PTR(-ENOMEM
);
829 result
->defmgmt
= -1;
831 nla_for_each_nested(key
, keys
, rem
) {
832 memset(&parse
, 0, sizeof(parse
));
835 err
= nl80211_parse_key_new(key
, &parse
);
841 if (parse
.idx
< 0 || parse
.idx
> 4)
847 result
->def
= parse
.idx
;
848 if (!parse
.def_uni
|| !parse
.def_multi
)
850 } else if (parse
.defmgmt
)
852 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
853 parse
.idx
, false, NULL
);
856 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
857 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
858 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
859 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
861 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
862 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
874 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
876 ASSERT_WDEV_LOCK(wdev
);
878 switch (wdev
->iftype
) {
879 case NL80211_IFTYPE_AP
:
880 case NL80211_IFTYPE_AP_VLAN
:
881 case NL80211_IFTYPE_P2P_GO
:
882 case NL80211_IFTYPE_MESH_POINT
:
884 case NL80211_IFTYPE_ADHOC
:
885 case NL80211_IFTYPE_STATION
:
886 case NL80211_IFTYPE_P2P_CLIENT
:
887 if (!wdev
->current_bss
)
890 case NL80211_IFTYPE_UNSPECIFIED
:
891 case NL80211_IFTYPE_OCB
:
892 case NL80211_IFTYPE_MONITOR
:
893 case NL80211_IFTYPE_P2P_DEVICE
:
894 case NL80211_IFTYPE_WDS
:
895 case NUM_NL80211_IFTYPES
:
902 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
905 struct ieee80211_channel
*chan
;
909 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
910 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
915 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
917 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
921 goto nla_put_failure
;
925 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
926 goto nla_put_failure
;
931 nla_nest_end(msg
, nl_modes
);
938 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
942 struct nlattr
*nl_combis
;
945 nl_combis
= nla_nest_start(msg
,
946 NL80211_ATTR_INTERFACE_COMBINATIONS
);
948 goto nla_put_failure
;
950 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
951 const struct ieee80211_iface_combination
*c
;
952 struct nlattr
*nl_combi
, *nl_limits
;
954 c
= &wiphy
->iface_combinations
[i
];
956 nl_combi
= nla_nest_start(msg
, i
+ 1);
958 goto nla_put_failure
;
960 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
962 goto nla_put_failure
;
964 for (j
= 0; j
< c
->n_limits
; j
++) {
965 struct nlattr
*nl_limit
;
967 nl_limit
= nla_nest_start(msg
, j
+ 1);
969 goto nla_put_failure
;
970 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
972 goto nla_put_failure
;
973 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
975 goto nla_put_failure
;
976 nla_nest_end(msg
, nl_limit
);
979 nla_nest_end(msg
, nl_limits
);
981 if (c
->beacon_int_infra_match
&&
982 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
983 goto nla_put_failure
;
984 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
985 c
->num_different_channels
) ||
986 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
988 goto nla_put_failure
;
990 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
991 c
->radar_detect_widths
) ||
992 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
993 c
->radar_detect_regions
)))
994 goto nla_put_failure
;
996 nla_nest_end(msg
, nl_combi
);
999 nla_nest_end(msg
, nl_combis
);
1007 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1008 struct sk_buff
*msg
)
1010 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1011 struct nlattr
*nl_tcp
;
1016 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1020 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1021 tcp
->data_payload_max
))
1024 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1025 tcp
->data_payload_max
))
1028 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1031 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1032 sizeof(*tcp
->tok
), tcp
->tok
))
1035 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1036 tcp
->data_interval_max
))
1039 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1040 tcp
->wake_payload_max
))
1043 nla_nest_end(msg
, nl_tcp
);
1047 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1048 struct cfg80211_registered_device
*rdev
,
1051 struct nlattr
*nl_wowlan
;
1053 if (!rdev
->wiphy
.wowlan
)
1056 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1060 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1061 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1062 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1063 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1064 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1065 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1066 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1067 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1068 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1069 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1070 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1071 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1072 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1073 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1074 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1075 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1078 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1079 struct nl80211_pattern_support pat
= {
1080 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1081 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1082 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1083 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1086 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1091 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1094 /* TODO: send wowlan net detect */
1096 nla_nest_end(msg
, nl_wowlan
);
1102 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1103 struct cfg80211_registered_device
*rdev
)
1105 struct nl80211_coalesce_rule_support rule
;
1107 if (!rdev
->wiphy
.coalesce
)
1110 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1111 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1112 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1113 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1114 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1115 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1117 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1123 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1124 struct ieee80211_supported_band
*sband
)
1126 struct nlattr
*nl_rates
, *nl_rate
;
1127 struct ieee80211_rate
*rate
;
1131 if (sband
->ht_cap
.ht_supported
&&
1132 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1133 sizeof(sband
->ht_cap
.mcs
),
1134 &sband
->ht_cap
.mcs
) ||
1135 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1136 sband
->ht_cap
.cap
) ||
1137 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1138 sband
->ht_cap
.ampdu_factor
) ||
1139 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1140 sband
->ht_cap
.ampdu_density
)))
1144 if (sband
->vht_cap
.vht_supported
&&
1145 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1146 sizeof(sband
->vht_cap
.vht_mcs
),
1147 &sband
->vht_cap
.vht_mcs
) ||
1148 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1149 sband
->vht_cap
.cap
)))
1153 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1157 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1158 nl_rate
= nla_nest_start(msg
, i
);
1162 rate
= &sband
->bitrates
[i
];
1163 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1166 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1168 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1171 nla_nest_end(msg
, nl_rate
);
1174 nla_nest_end(msg
, nl_rates
);
1180 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1181 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1184 struct nlattr
*nl_ftypes
, *nl_ifs
;
1185 enum nl80211_iftype ift
;
1191 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1195 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1196 nl_ftypes
= nla_nest_start(msg
, ift
);
1200 stypes
= mgmt_stypes
[ift
].tx
;
1203 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1204 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1209 nla_nest_end(msg
, nl_ftypes
);
1212 nla_nest_end(msg
, nl_ifs
);
1214 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1218 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1219 nl_ftypes
= nla_nest_start(msg
, ift
);
1223 stypes
= mgmt_stypes
[ift
].rx
;
1226 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1227 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1232 nla_nest_end(msg
, nl_ftypes
);
1234 nla_nest_end(msg
, nl_ifs
);
1239 struct nl80211_dump_wiphy_state
{
1242 long split_start
, band_start
, chan_start
;
1246 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1247 enum nl80211_commands cmd
,
1248 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1249 int flags
, struct nl80211_dump_wiphy_state
*state
)
1252 struct nlattr
*nl_bands
, *nl_band
;
1253 struct nlattr
*nl_freqs
, *nl_freq
;
1254 struct nlattr
*nl_cmds
;
1255 enum ieee80211_band band
;
1256 struct ieee80211_channel
*chan
;
1258 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1259 rdev
->wiphy
.mgmt_stypes
;
1262 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1266 if (WARN_ON(!state
))
1269 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1270 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1271 wiphy_name(&rdev
->wiphy
)) ||
1272 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1273 cfg80211_rdev_list_generation
))
1274 goto nla_put_failure
;
1276 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1279 switch (state
->split_start
) {
1281 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1282 rdev
->wiphy
.retry_short
) ||
1283 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1284 rdev
->wiphy
.retry_long
) ||
1285 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1286 rdev
->wiphy
.frag_threshold
) ||
1287 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1288 rdev
->wiphy
.rts_threshold
) ||
1289 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1290 rdev
->wiphy
.coverage_class
) ||
1291 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1292 rdev
->wiphy
.max_scan_ssids
) ||
1293 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1294 rdev
->wiphy
.max_sched_scan_ssids
) ||
1295 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1296 rdev
->wiphy
.max_scan_ie_len
) ||
1297 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1298 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1299 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1300 rdev
->wiphy
.max_match_sets
))
1301 goto nla_put_failure
;
1303 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1304 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1305 goto nla_put_failure
;
1306 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1307 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1308 goto nla_put_failure
;
1309 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1310 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1311 goto nla_put_failure
;
1312 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1313 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1314 goto nla_put_failure
;
1315 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1316 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1317 goto nla_put_failure
;
1318 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1319 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1320 goto nla_put_failure
;
1321 state
->split_start
++;
1325 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1326 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1327 rdev
->wiphy
.cipher_suites
))
1328 goto nla_put_failure
;
1330 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1331 rdev
->wiphy
.max_num_pmkids
))
1332 goto nla_put_failure
;
1334 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1335 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1336 goto nla_put_failure
;
1338 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1339 rdev
->wiphy
.available_antennas_tx
) ||
1340 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1341 rdev
->wiphy
.available_antennas_rx
))
1342 goto nla_put_failure
;
1344 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1345 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1346 rdev
->wiphy
.probe_resp_offload
))
1347 goto nla_put_failure
;
1349 if ((rdev
->wiphy
.available_antennas_tx
||
1350 rdev
->wiphy
.available_antennas_rx
) &&
1351 rdev
->ops
->get_antenna
) {
1352 u32 tx_ant
= 0, rx_ant
= 0;
1354 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1356 if (nla_put_u32(msg
,
1357 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1360 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1362 goto nla_put_failure
;
1366 state
->split_start
++;
1370 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1371 rdev
->wiphy
.interface_modes
))
1372 goto nla_put_failure
;
1373 state
->split_start
++;
1377 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1379 goto nla_put_failure
;
1381 for (band
= state
->band_start
;
1382 band
< IEEE80211_NUM_BANDS
; band
++) {
1383 struct ieee80211_supported_band
*sband
;
1385 sband
= rdev
->wiphy
.bands
[band
];
1390 nl_band
= nla_nest_start(msg
, band
);
1392 goto nla_put_failure
;
1394 switch (state
->chan_start
) {
1396 if (nl80211_send_band_rateinfo(msg
, sband
))
1397 goto nla_put_failure
;
1398 state
->chan_start
++;
1402 /* add frequencies */
1403 nl_freqs
= nla_nest_start(
1404 msg
, NL80211_BAND_ATTR_FREQS
);
1406 goto nla_put_failure
;
1408 for (i
= state
->chan_start
- 1;
1409 i
< sband
->n_channels
;
1411 nl_freq
= nla_nest_start(msg
, i
);
1413 goto nla_put_failure
;
1415 chan
= &sband
->channels
[i
];
1417 if (nl80211_msg_put_channel(
1420 goto nla_put_failure
;
1422 nla_nest_end(msg
, nl_freq
);
1426 if (i
< sband
->n_channels
)
1427 state
->chan_start
= i
+ 2;
1429 state
->chan_start
= 0;
1430 nla_nest_end(msg
, nl_freqs
);
1433 nla_nest_end(msg
, nl_band
);
1436 /* start again here */
1437 if (state
->chan_start
)
1442 nla_nest_end(msg
, nl_bands
);
1444 if (band
< IEEE80211_NUM_BANDS
)
1445 state
->band_start
= band
+ 1;
1447 state
->band_start
= 0;
1449 /* if bands & channels are done, continue outside */
1450 if (state
->band_start
== 0 && state
->chan_start
== 0)
1451 state
->split_start
++;
1455 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1457 goto nla_put_failure
;
1460 #define CMD(op, n) \
1462 if (rdev->ops->op) { \
1464 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1465 goto nla_put_failure; \
1469 CMD(add_virtual_intf
, NEW_INTERFACE
);
1470 CMD(change_virtual_intf
, SET_INTERFACE
);
1471 CMD(add_key
, NEW_KEY
);
1472 CMD(start_ap
, START_AP
);
1473 CMD(add_station
, NEW_STATION
);
1474 CMD(add_mpath
, NEW_MPATH
);
1475 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1476 CMD(change_bss
, SET_BSS
);
1477 CMD(auth
, AUTHENTICATE
);
1478 CMD(assoc
, ASSOCIATE
);
1479 CMD(deauth
, DEAUTHENTICATE
);
1480 CMD(disassoc
, DISASSOCIATE
);
1481 CMD(join_ibss
, JOIN_IBSS
);
1482 CMD(join_mesh
, JOIN_MESH
);
1483 CMD(set_pmksa
, SET_PMKSA
);
1484 CMD(del_pmksa
, DEL_PMKSA
);
1485 CMD(flush_pmksa
, FLUSH_PMKSA
);
1486 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1487 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1488 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1489 CMD(mgmt_tx
, FRAME
);
1490 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1491 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1493 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1494 goto nla_put_failure
;
1496 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1497 rdev
->ops
->join_mesh
) {
1499 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1500 goto nla_put_failure
;
1502 CMD(set_wds_peer
, SET_WDS_PEER
);
1503 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1504 CMD(tdls_mgmt
, TDLS_MGMT
);
1505 CMD(tdls_oper
, TDLS_OPER
);
1507 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1508 CMD(sched_scan_start
, START_SCHED_SCAN
);
1509 CMD(probe_client
, PROBE_CLIENT
);
1510 CMD(set_noack_map
, SET_NOACK_MAP
);
1511 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1513 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1514 goto nla_put_failure
;
1516 CMD(start_p2p_device
, START_P2P_DEVICE
);
1517 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1518 #ifdef CONFIG_NL80211_TESTMODE
1519 CMD(testmode_cmd
, TESTMODE
);
1522 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1523 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1524 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1525 CMD(channel_switch
, CHANNEL_SWITCH
);
1526 CMD(set_qos_map
, SET_QOS_MAP
);
1527 if (rdev
->wiphy
.features
&
1528 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1529 CMD(add_tx_ts
, ADD_TX_TS
);
1531 /* add into the if now */
1534 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1536 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1537 goto nla_put_failure
;
1540 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1542 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1543 goto nla_put_failure
;
1546 nla_nest_end(msg
, nl_cmds
);
1547 state
->split_start
++;
1551 if (rdev
->ops
->remain_on_channel
&&
1552 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1554 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1555 rdev
->wiphy
.max_remain_on_channel_duration
))
1556 goto nla_put_failure
;
1558 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1559 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1560 goto nla_put_failure
;
1562 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1563 goto nla_put_failure
;
1564 state
->split_start
++;
1569 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1570 goto nla_put_failure
;
1571 state
->split_start
++;
1575 state
->split_start
++;
1578 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1579 rdev
->wiphy
.software_iftypes
))
1580 goto nla_put_failure
;
1582 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1584 goto nla_put_failure
;
1586 state
->split_start
++;
1590 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1591 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1592 rdev
->wiphy
.ap_sme_capa
))
1593 goto nla_put_failure
;
1595 features
= rdev
->wiphy
.features
;
1597 * We can only add the per-channel limit information if the
1598 * dump is split, otherwise it makes it too big. Therefore
1599 * only advertise it in that case.
1602 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1603 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1604 goto nla_put_failure
;
1606 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1607 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1608 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1609 rdev
->wiphy
.ht_capa_mod_mask
))
1610 goto nla_put_failure
;
1612 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1613 rdev
->wiphy
.max_acl_mac_addrs
&&
1614 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1615 rdev
->wiphy
.max_acl_mac_addrs
))
1616 goto nla_put_failure
;
1619 * Any information below this point is only available to
1620 * applications that can deal with it being split. This
1621 * helps ensure that newly added capabilities don't break
1622 * older tools by overrunning their buffers.
1624 * We still increment split_start so that in the split
1625 * case we'll continue with more data in the next round,
1626 * but break unconditionally so unsplit data stops here.
1628 state
->split_start
++;
1631 if (rdev
->wiphy
.extended_capabilities
&&
1632 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1633 rdev
->wiphy
.extended_capabilities_len
,
1634 rdev
->wiphy
.extended_capabilities
) ||
1635 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1636 rdev
->wiphy
.extended_capabilities_len
,
1637 rdev
->wiphy
.extended_capabilities_mask
)))
1638 goto nla_put_failure
;
1640 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1641 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1642 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1643 rdev
->wiphy
.vht_capa_mod_mask
))
1644 goto nla_put_failure
;
1646 state
->split_start
++;
1649 if (nl80211_send_coalesce(msg
, rdev
))
1650 goto nla_put_failure
;
1652 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1653 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1654 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1655 goto nla_put_failure
;
1657 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1658 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1659 rdev
->wiphy
.max_ap_assoc_sta
))
1660 goto nla_put_failure
;
1662 state
->split_start
++;
1665 if (rdev
->wiphy
.n_vendor_commands
) {
1666 const struct nl80211_vendor_cmd_info
*info
;
1667 struct nlattr
*nested
;
1669 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1671 goto nla_put_failure
;
1673 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1674 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1675 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1676 goto nla_put_failure
;
1678 nla_nest_end(msg
, nested
);
1681 if (rdev
->wiphy
.n_vendor_events
) {
1682 const struct nl80211_vendor_cmd_info
*info
;
1683 struct nlattr
*nested
;
1685 nested
= nla_nest_start(msg
,
1686 NL80211_ATTR_VENDOR_EVENTS
);
1688 goto nla_put_failure
;
1690 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1691 info
= &rdev
->wiphy
.vendor_events
[i
];
1692 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1693 goto nla_put_failure
;
1695 nla_nest_end(msg
, nested
);
1697 state
->split_start
++;
1700 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1701 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1702 rdev
->wiphy
.max_num_csa_counters
))
1703 goto nla_put_failure
;
1705 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1706 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1707 goto nla_put_failure
;
1710 state
->split_start
= 0;
1714 return genlmsg_end(msg
, hdr
);
1717 genlmsg_cancel(msg
, hdr
);
1721 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1722 struct netlink_callback
*cb
,
1723 struct nl80211_dump_wiphy_state
*state
)
1725 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1726 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1727 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1728 /* ignore parse errors for backward compatibility */
1732 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1733 if (tb
[NL80211_ATTR_WIPHY
])
1734 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1735 if (tb
[NL80211_ATTR_WDEV
])
1736 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1737 if (tb
[NL80211_ATTR_IFINDEX
]) {
1738 struct net_device
*netdev
;
1739 struct cfg80211_registered_device
*rdev
;
1740 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1742 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1745 if (netdev
->ieee80211_ptr
) {
1746 rdev
= wiphy_to_rdev(
1747 netdev
->ieee80211_ptr
->wiphy
);
1748 state
->filter_wiphy
= rdev
->wiphy_idx
;
1755 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1758 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1759 struct cfg80211_registered_device
*rdev
;
1763 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1768 state
->filter_wiphy
= -1;
1769 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1775 cb
->args
[0] = (long)state
;
1778 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1779 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1781 if (++idx
<= state
->start
)
1783 if (state
->filter_wiphy
!= -1 &&
1784 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1786 /* attempt to fit multiple wiphy data chunks into the skb */
1788 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1790 NETLINK_CB(cb
->skb
).portid
,
1792 NLM_F_MULTI
, state
);
1795 * If sending the wiphy data didn't fit (ENOBUFS
1796 * or EMSGSIZE returned), this SKB is still
1797 * empty (so it's not too big because another
1798 * wiphy dataset is already in the skb) and
1799 * we've not tried to adjust the dump allocation
1800 * yet ... then adjust the alloc size to be
1801 * bigger, and return 1 but with the empty skb.
1802 * This results in an empty message being RX'ed
1803 * in userspace, but that is ignored.
1805 * We can then retry with the larger buffer.
1807 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1808 !skb
->len
&& !state
->split
&&
1809 cb
->min_dump_alloc
< 4096) {
1810 cb
->min_dump_alloc
= 4096;
1811 state
->split_start
= 0;
1818 } while (state
->split_start
> 0);
1828 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1830 kfree((void *)cb
->args
[0]);
1834 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1836 struct sk_buff
*msg
;
1837 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1838 struct nl80211_dump_wiphy_state state
= {};
1840 msg
= nlmsg_new(4096, GFP_KERNEL
);
1844 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1845 info
->snd_portid
, info
->snd_seq
, 0,
1851 return genlmsg_reply(msg
, info
);
1854 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1855 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1856 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1857 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1858 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1859 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1862 static int parse_txq_params(struct nlattr
*tb
[],
1863 struct ieee80211_txq_params
*txq_params
)
1865 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1866 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1867 !tb
[NL80211_TXQ_ATTR_AIFS
])
1870 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1871 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1872 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1873 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1874 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1876 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1882 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1885 * You can only set the channel explicitly for WDS interfaces,
1886 * all others have their channel managed via their respective
1887 * "establish a connection" command (connect, join, ...)
1889 * For AP/GO and mesh mode, the channel can be set with the
1890 * channel userspace API, but is only stored and passed to the
1891 * low-level driver when the AP starts or the mesh is joined.
1892 * This is for backward compatibility, userspace can also give
1893 * the channel in the start-ap or join-mesh commands instead.
1895 * Monitors are special as they are normally slaved to
1896 * whatever else is going on, so they have their own special
1897 * operation to set the monitor channel if possible.
1900 wdev
->iftype
== NL80211_IFTYPE_AP
||
1901 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1902 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1903 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1906 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1907 struct genl_info
*info
,
1908 struct cfg80211_chan_def
*chandef
)
1912 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1915 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1917 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1918 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1919 chandef
->center_freq1
= control_freq
;
1920 chandef
->center_freq2
= 0;
1922 /* Primary channel not allowed */
1923 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1926 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1927 enum nl80211_channel_type chantype
;
1929 chantype
= nla_get_u32(
1930 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1933 case NL80211_CHAN_NO_HT
:
1934 case NL80211_CHAN_HT20
:
1935 case NL80211_CHAN_HT40PLUS
:
1936 case NL80211_CHAN_HT40MINUS
:
1937 cfg80211_chandef_create(chandef
, chandef
->chan
,
1943 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1945 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1946 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1947 chandef
->center_freq1
=
1949 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1950 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1951 chandef
->center_freq2
=
1953 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1956 if (!cfg80211_chandef_valid(chandef
))
1959 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1960 IEEE80211_CHAN_DISABLED
))
1963 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1964 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1965 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1971 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1972 struct net_device
*dev
,
1973 struct genl_info
*info
)
1975 struct cfg80211_chan_def chandef
;
1977 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1978 struct wireless_dev
*wdev
= NULL
;
1981 wdev
= dev
->ieee80211_ptr
;
1982 if (!nl80211_can_set_dev_channel(wdev
))
1985 iftype
= wdev
->iftype
;
1987 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1992 case NL80211_IFTYPE_AP
:
1993 case NL80211_IFTYPE_P2P_GO
:
1994 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, iftype
)) {
1998 if (wdev
->beacon_interval
) {
1999 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2000 !(rdev
->wiphy
.features
&
2001 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2006 /* Only allow dynamic channel width changes */
2007 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2011 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2015 wdev
->preset_chandef
= chandef
;
2018 case NL80211_IFTYPE_MESH_POINT
:
2019 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2021 case NL80211_IFTYPE_MONITOR
:
2022 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2031 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2033 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2034 struct net_device
*netdev
= info
->user_ptr
[1];
2036 return __nl80211_set_channel(rdev
, netdev
, info
);
2039 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2041 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2042 struct net_device
*dev
= info
->user_ptr
[1];
2043 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2046 if (!info
->attrs
[NL80211_ATTR_MAC
])
2049 if (netif_running(dev
))
2052 if (!rdev
->ops
->set_wds_peer
)
2055 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2058 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2059 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2063 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2065 struct cfg80211_registered_device
*rdev
;
2066 struct net_device
*netdev
= NULL
;
2067 struct wireless_dev
*wdev
;
2068 int result
= 0, rem_txq_params
= 0;
2069 struct nlattr
*nl_txq_params
;
2071 u8 retry_short
= 0, retry_long
= 0;
2072 u32 frag_threshold
= 0, rts_threshold
= 0;
2073 u8 coverage_class
= 0;
2078 * Try to find the wiphy and netdev. Normally this
2079 * function shouldn't need the netdev, but this is
2080 * done for backward compatibility -- previously
2081 * setting the channel was done per wiphy, but now
2082 * it is per netdev. Previous userland like hostapd
2083 * also passed a netdev to set_wiphy, so that it is
2084 * possible to let that go to the right netdev!
2087 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2088 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2090 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2091 if (netdev
&& netdev
->ieee80211_ptr
)
2092 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2098 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2101 return PTR_ERR(rdev
);
2106 wdev
= netdev
->ieee80211_ptr
;
2109 * end workaround code, by now the rdev is available
2110 * and locked, and wdev may or may not be NULL.
2113 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2114 result
= cfg80211_dev_rename(
2115 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2120 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2121 struct ieee80211_txq_params txq_params
;
2122 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2124 if (!rdev
->ops
->set_txq_params
)
2130 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2131 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2134 if (!netif_running(netdev
))
2137 nla_for_each_nested(nl_txq_params
,
2138 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2140 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2141 nla_data(nl_txq_params
),
2142 nla_len(nl_txq_params
),
2146 result
= parse_txq_params(tb
, &txq_params
);
2150 result
= rdev_set_txq_params(rdev
, netdev
,
2157 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2158 result
= __nl80211_set_channel(
2160 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2166 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2167 struct wireless_dev
*txp_wdev
= wdev
;
2168 enum nl80211_tx_power_setting type
;
2171 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2174 if (!rdev
->ops
->set_tx_power
)
2177 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2178 type
= nla_get_u32(info
->attrs
[idx
]);
2180 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2181 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2184 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2185 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2186 mbm
= nla_get_u32(info
->attrs
[idx
]);
2189 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2194 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2195 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2197 if ((!rdev
->wiphy
.available_antennas_tx
&&
2198 !rdev
->wiphy
.available_antennas_rx
) ||
2199 !rdev
->ops
->set_antenna
)
2202 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2203 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2205 /* reject antenna configurations which don't match the
2206 * available antenna masks, except for the "all" mask */
2207 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2208 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2211 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2212 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2214 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2221 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2222 retry_short
= nla_get_u8(
2223 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2224 if (retry_short
== 0)
2227 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2230 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2231 retry_long
= nla_get_u8(
2232 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2233 if (retry_long
== 0)
2236 changed
|= WIPHY_PARAM_RETRY_LONG
;
2239 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2240 frag_threshold
= nla_get_u32(
2241 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2242 if (frag_threshold
< 256)
2245 if (frag_threshold
!= (u32
) -1) {
2247 * Fragments (apart from the last one) are required to
2248 * have even length. Make the fragmentation code
2249 * simpler by stripping LSB should someone try to use
2250 * odd threshold value.
2252 frag_threshold
&= ~0x1;
2254 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2257 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2258 rts_threshold
= nla_get_u32(
2259 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2260 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2263 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2264 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2267 coverage_class
= nla_get_u8(
2268 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2269 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2272 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2273 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2276 changed
|= WIPHY_PARAM_DYN_ACK
;
2280 u8 old_retry_short
, old_retry_long
;
2281 u32 old_frag_threshold
, old_rts_threshold
;
2282 u8 old_coverage_class
;
2284 if (!rdev
->ops
->set_wiphy_params
)
2287 old_retry_short
= rdev
->wiphy
.retry_short
;
2288 old_retry_long
= rdev
->wiphy
.retry_long
;
2289 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2290 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2291 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2293 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2294 rdev
->wiphy
.retry_short
= retry_short
;
2295 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2296 rdev
->wiphy
.retry_long
= retry_long
;
2297 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2298 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2299 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2300 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2301 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2302 rdev
->wiphy
.coverage_class
= coverage_class
;
2304 result
= rdev_set_wiphy_params(rdev
, changed
);
2306 rdev
->wiphy
.retry_short
= old_retry_short
;
2307 rdev
->wiphy
.retry_long
= old_retry_long
;
2308 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2309 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2310 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2316 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2318 return (u64
)wdev
->identifier
|
2319 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2322 static int nl80211_send_chandef(struct sk_buff
*msg
,
2323 const struct cfg80211_chan_def
*chandef
)
2325 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2328 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2329 chandef
->chan
->center_freq
))
2331 switch (chandef
->width
) {
2332 case NL80211_CHAN_WIDTH_20_NOHT
:
2333 case NL80211_CHAN_WIDTH_20
:
2334 case NL80211_CHAN_WIDTH_40
:
2335 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2336 cfg80211_get_chandef_type(chandef
)))
2342 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2344 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2346 if (chandef
->center_freq2
&&
2347 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2352 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2353 struct cfg80211_registered_device
*rdev
,
2354 struct wireless_dev
*wdev
, bool removal
)
2356 struct net_device
*dev
= wdev
->netdev
;
2357 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2361 cmd
= NL80211_CMD_DEL_INTERFACE
;
2363 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2368 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2369 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2370 goto nla_put_failure
;
2372 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2373 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2374 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2375 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2376 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2377 rdev
->devlist_generation
^
2378 (cfg80211_rdev_list_generation
<< 2)))
2379 goto nla_put_failure
;
2381 if (rdev
->ops
->get_channel
) {
2383 struct cfg80211_chan_def chandef
;
2385 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2387 if (nl80211_send_chandef(msg
, &chandef
))
2388 goto nla_put_failure
;
2392 if (wdev
->ssid_len
) {
2393 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2394 goto nla_put_failure
;
2397 return genlmsg_end(msg
, hdr
);
2400 genlmsg_cancel(msg
, hdr
);
2404 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2408 int wp_start
= cb
->args
[0];
2409 int if_start
= cb
->args
[1];
2410 struct cfg80211_registered_device
*rdev
;
2411 struct wireless_dev
*wdev
;
2414 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2415 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2417 if (wp_idx
< wp_start
) {
2423 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2424 if (if_idx
< if_start
) {
2428 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2429 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2430 rdev
, wdev
, false) < 0) {
2441 cb
->args
[0] = wp_idx
;
2442 cb
->args
[1] = if_idx
;
2447 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2449 struct sk_buff
*msg
;
2450 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2451 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2453 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2457 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2458 rdev
, wdev
, false) < 0) {
2463 return genlmsg_reply(msg
, info
);
2466 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2467 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2468 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2469 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2470 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2471 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2472 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2475 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2477 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2485 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2486 nla
, mntr_flags_policy
))
2489 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2491 *mntrflags
|= (1<<flag
);
2496 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2497 struct net_device
*netdev
, u8 use_4addr
,
2498 enum nl80211_iftype iftype
)
2501 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2507 case NL80211_IFTYPE_AP_VLAN
:
2508 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2511 case NL80211_IFTYPE_STATION
:
2512 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2522 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2524 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2525 struct vif_params params
;
2527 enum nl80211_iftype otype
, ntype
;
2528 struct net_device
*dev
= info
->user_ptr
[1];
2529 u32 _flags
, *flags
= NULL
;
2530 bool change
= false;
2532 memset(¶ms
, 0, sizeof(params
));
2534 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2536 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2537 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2540 if (ntype
> NL80211_IFTYPE_MAX
)
2544 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2545 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2547 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2549 if (netif_running(dev
))
2553 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2554 IEEE80211_MAX_MESH_ID_LEN
);
2555 wdev
->mesh_id_up_len
=
2556 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2557 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2558 wdev
->mesh_id_up_len
);
2562 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2563 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2565 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2569 params
.use_4addr
= -1;
2572 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2573 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2575 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2584 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2585 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2589 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2593 if (!err
&& params
.use_4addr
!= -1)
2594 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2599 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2601 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2602 struct vif_params params
;
2603 struct wireless_dev
*wdev
;
2604 struct sk_buff
*msg
, *event
;
2606 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2609 /* to avoid failing a new interface creation due to pending removal */
2610 cfg80211_destroy_ifaces(rdev
);
2612 memset(¶ms
, 0, sizeof(params
));
2614 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2617 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2618 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2619 if (type
> NL80211_IFTYPE_MAX
)
2623 if (!rdev
->ops
->add_virtual_intf
||
2624 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2627 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2628 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2629 info
->attrs
[NL80211_ATTR_MAC
]) {
2630 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2632 if (!is_valid_ether_addr(params
.macaddr
))
2633 return -EADDRNOTAVAIL
;
2636 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2637 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2638 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2643 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2647 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2648 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2651 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2652 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2655 wdev
= rdev_add_virtual_intf(rdev
,
2656 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2657 type
, err
? NULL
: &flags
, ¶ms
);
2658 if (WARN_ON(!wdev
)) {
2661 } else if (IS_ERR(wdev
)) {
2663 return PTR_ERR(wdev
);
2666 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2667 wdev
->owner_nlportid
= info
->snd_portid
;
2670 case NL80211_IFTYPE_MESH_POINT
:
2671 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2674 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2675 IEEE80211_MAX_MESH_ID_LEN
);
2676 wdev
->mesh_id_up_len
=
2677 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2678 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2679 wdev
->mesh_id_up_len
);
2682 case NL80211_IFTYPE_P2P_DEVICE
:
2684 * P2P Device doesn't have a netdev, so doesn't go
2685 * through the netdev notifier and must be added here
2687 mutex_init(&wdev
->mtx
);
2688 INIT_LIST_HEAD(&wdev
->event_list
);
2689 spin_lock_init(&wdev
->event_lock
);
2690 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2691 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2693 wdev
->identifier
= ++rdev
->wdev_id
;
2694 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2695 rdev
->devlist_generation
++;
2701 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2702 rdev
, wdev
, false) < 0) {
2707 event
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2709 if (nl80211_send_iface(event
, 0, 0, 0,
2710 rdev
, wdev
, false) < 0) {
2715 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2716 event
, 0, NL80211_MCGRP_CONFIG
,
2721 return genlmsg_reply(msg
, info
);
2724 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2726 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2727 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2728 struct sk_buff
*msg
;
2731 if (!rdev
->ops
->del_virtual_intf
)
2734 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2735 if (msg
&& nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, true) < 0) {
2741 * If we remove a wireless device without a netdev then clear
2742 * user_ptr[1] so that nl80211_post_doit won't dereference it
2743 * to check if it needs to do dev_put(). Otherwise it crashes
2744 * since the wdev has been freed, unlike with a netdev where
2745 * we need the dev_put() for the netdev to really be freed.
2748 info
->user_ptr
[1] = NULL
;
2750 status
= rdev_del_virtual_intf(rdev
, wdev
);
2751 if (status
>= 0 && msg
)
2752 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2753 msg
, 0, NL80211_MCGRP_CONFIG
,
2761 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2763 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2764 struct net_device
*dev
= info
->user_ptr
[1];
2767 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2770 if (!rdev
->ops
->set_noack_map
)
2773 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2775 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2778 struct get_key_cookie
{
2779 struct sk_buff
*msg
;
2784 static void get_key_callback(void *c
, struct key_params
*params
)
2787 struct get_key_cookie
*cookie
= c
;
2790 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2791 params
->key_len
, params
->key
)) ||
2793 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2794 params
->seq_len
, params
->seq
)) ||
2796 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2798 goto nla_put_failure
;
2800 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2802 goto nla_put_failure
;
2805 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2806 params
->key_len
, params
->key
)) ||
2808 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2809 params
->seq_len
, params
->seq
)) ||
2811 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2813 goto nla_put_failure
;
2815 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2816 goto nla_put_failure
;
2818 nla_nest_end(cookie
->msg
, key
);
2825 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2827 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2829 struct net_device
*dev
= info
->user_ptr
[1];
2831 const u8
*mac_addr
= NULL
;
2833 struct get_key_cookie cookie
= {
2837 struct sk_buff
*msg
;
2839 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2840 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2845 if (info
->attrs
[NL80211_ATTR_MAC
])
2846 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2848 pairwise
= !!mac_addr
;
2849 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2850 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2851 if (kt
>= NUM_NL80211_KEYTYPES
)
2853 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2854 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2856 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2859 if (!rdev
->ops
->get_key
)
2862 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2866 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2867 NL80211_CMD_NEW_KEY
);
2869 goto nla_put_failure
;
2872 cookie
.idx
= key_idx
;
2874 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2875 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2876 goto nla_put_failure
;
2878 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2879 goto nla_put_failure
;
2881 if (pairwise
&& mac_addr
&&
2882 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2885 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2892 goto nla_put_failure
;
2894 genlmsg_end(msg
, hdr
);
2895 return genlmsg_reply(msg
, info
);
2904 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2906 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2907 struct key_parse key
;
2909 struct net_device
*dev
= info
->user_ptr
[1];
2911 err
= nl80211_parse_key(info
, &key
);
2918 /* only support setting default key */
2919 if (!key
.def
&& !key
.defmgmt
)
2922 wdev_lock(dev
->ieee80211_ptr
);
2925 if (!rdev
->ops
->set_default_key
) {
2930 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2934 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2935 key
.def_uni
, key
.def_multi
);
2940 #ifdef CONFIG_CFG80211_WEXT
2941 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2944 if (key
.def_uni
|| !key
.def_multi
) {
2949 if (!rdev
->ops
->set_default_mgmt_key
) {
2954 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2958 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2962 #ifdef CONFIG_CFG80211_WEXT
2963 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2968 wdev_unlock(dev
->ieee80211_ptr
);
2973 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2975 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2977 struct net_device
*dev
= info
->user_ptr
[1];
2978 struct key_parse key
;
2979 const u8
*mac_addr
= NULL
;
2981 err
= nl80211_parse_key(info
, &key
);
2988 if (info
->attrs
[NL80211_ATTR_MAC
])
2989 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2991 if (key
.type
== -1) {
2993 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2995 key
.type
= NL80211_KEYTYPE_GROUP
;
2999 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3000 key
.type
!= NL80211_KEYTYPE_GROUP
)
3003 if (!rdev
->ops
->add_key
)
3006 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3007 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3011 wdev_lock(dev
->ieee80211_ptr
);
3012 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3014 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3015 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3017 wdev_unlock(dev
->ieee80211_ptr
);
3022 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3024 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3026 struct net_device
*dev
= info
->user_ptr
[1];
3027 u8
*mac_addr
= NULL
;
3028 struct key_parse key
;
3030 err
= nl80211_parse_key(info
, &key
);
3034 if (info
->attrs
[NL80211_ATTR_MAC
])
3035 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3037 if (key
.type
== -1) {
3039 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3041 key
.type
= NL80211_KEYTYPE_GROUP
;
3045 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3046 key
.type
!= NL80211_KEYTYPE_GROUP
)
3049 if (!rdev
->ops
->del_key
)
3052 wdev_lock(dev
->ieee80211_ptr
);
3053 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3055 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
3056 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3060 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3061 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3064 #ifdef CONFIG_CFG80211_WEXT
3066 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3067 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3068 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3069 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3072 wdev_unlock(dev
->ieee80211_ptr
);
3077 /* This function returns an error or the number of nested attributes */
3078 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3080 struct nlattr
*attr
;
3081 int n_entries
= 0, tmp
;
3083 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3084 if (nla_len(attr
) != ETH_ALEN
)
3094 * This function parses ACL information and allocates memory for ACL data.
3095 * On successful return, the calling function is responsible to free the
3096 * ACL buffer returned by this function.
3098 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3099 struct genl_info
*info
)
3101 enum nl80211_acl_policy acl_policy
;
3102 struct nlattr
*attr
;
3103 struct cfg80211_acl_data
*acl
;
3104 int i
= 0, n_entries
, tmp
;
3106 if (!wiphy
->max_acl_mac_addrs
)
3107 return ERR_PTR(-EOPNOTSUPP
);
3109 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3110 return ERR_PTR(-EINVAL
);
3112 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3113 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3114 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3115 return ERR_PTR(-EINVAL
);
3117 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3118 return ERR_PTR(-EINVAL
);
3120 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3122 return ERR_PTR(n_entries
);
3124 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3125 return ERR_PTR(-ENOTSUPP
);
3127 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3130 return ERR_PTR(-ENOMEM
);
3132 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3133 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3137 acl
->n_acl_entries
= n_entries
;
3138 acl
->acl_policy
= acl_policy
;
3143 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3145 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3146 struct net_device
*dev
= info
->user_ptr
[1];
3147 struct cfg80211_acl_data
*acl
;
3150 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3151 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3154 if (!dev
->ieee80211_ptr
->beacon_interval
)
3157 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3159 return PTR_ERR(acl
);
3161 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3168 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3169 struct cfg80211_beacon_data
*bcn
)
3171 bool haveinfo
= false;
3173 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3174 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3175 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3176 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3179 memset(bcn
, 0, sizeof(*bcn
));
3181 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3182 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3183 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3189 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3190 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3191 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3198 if (attrs
[NL80211_ATTR_IE
]) {
3199 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3200 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3203 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3204 bcn
->proberesp_ies
=
3205 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3206 bcn
->proberesp_ies_len
=
3207 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3210 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3211 bcn
->assocresp_ies
=
3212 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3213 bcn
->assocresp_ies_len
=
3214 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3217 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3218 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3219 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3225 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3226 struct cfg80211_ap_settings
*params
)
3228 struct wireless_dev
*wdev
;
3231 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3232 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3233 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3236 if (!wdev
->preset_chandef
.chan
)
3239 params
->chandef
= wdev
->preset_chandef
;
3247 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3248 enum nl80211_auth_type auth_type
,
3249 enum nl80211_commands cmd
)
3251 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3255 case NL80211_CMD_AUTHENTICATE
:
3256 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3257 auth_type
== NL80211_AUTHTYPE_SAE
)
3260 case NL80211_CMD_CONNECT
:
3261 case NL80211_CMD_START_AP
:
3262 /* SAE not supported yet */
3263 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3271 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3273 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3274 struct net_device
*dev
= info
->user_ptr
[1];
3275 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3276 struct cfg80211_ap_settings params
;
3279 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3280 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3283 if (!rdev
->ops
->start_ap
)
3286 if (wdev
->beacon_interval
)
3289 memset(¶ms
, 0, sizeof(params
));
3291 /* these are required for START_AP */
3292 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3293 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3294 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3297 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3301 params
.beacon_interval
=
3302 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3303 params
.dtim_period
=
3304 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3306 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3311 * In theory, some of these attributes should be required here
3312 * but since they were not used when the command was originally
3313 * added, keep them optional for old user space programs to let
3314 * them continue to work with drivers that do not need the
3315 * additional information -- drivers must check!
3317 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3318 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3320 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3321 if (params
.ssid_len
== 0 ||
3322 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3326 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3327 params
.hidden_ssid
= nla_get_u32(
3328 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3329 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3330 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3331 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3335 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3337 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3338 params
.auth_type
= nla_get_u32(
3339 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3340 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3341 NL80211_CMD_START_AP
))
3344 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3346 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3347 NL80211_MAX_NR_CIPHER_SUITES
);
3351 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3352 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3354 params
.inactivity_timeout
= nla_get_u16(
3355 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3358 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3359 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3361 params
.p2p_ctwindow
=
3362 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3363 if (params
.p2p_ctwindow
> 127)
3365 if (params
.p2p_ctwindow
!= 0 &&
3366 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3370 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3373 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3375 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3378 params
.p2p_opp_ps
= tmp
;
3379 if (params
.p2p_opp_ps
!= 0 &&
3380 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3384 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3385 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3388 } else if (wdev
->preset_chandef
.chan
) {
3389 params
.chandef
= wdev
->preset_chandef
;
3390 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3393 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3397 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3398 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3399 if (IS_ERR(params
.acl
))
3400 return PTR_ERR(params
.acl
);
3403 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3405 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3406 switch (params
.smps_mode
) {
3407 case NL80211_SMPS_OFF
:
3409 case NL80211_SMPS_STATIC
:
3410 if (!(rdev
->wiphy
.features
&
3411 NL80211_FEATURE_STATIC_SMPS
))
3414 case NL80211_SMPS_DYNAMIC
:
3415 if (!(rdev
->wiphy
.features
&
3416 NL80211_FEATURE_DYNAMIC_SMPS
))
3423 params
.smps_mode
= NL80211_SMPS_OFF
;
3427 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3429 wdev
->preset_chandef
= params
.chandef
;
3430 wdev
->beacon_interval
= params
.beacon_interval
;
3431 wdev
->chandef
= params
.chandef
;
3432 wdev
->ssid_len
= params
.ssid_len
;
3433 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3442 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3444 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3445 struct net_device
*dev
= info
->user_ptr
[1];
3446 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3447 struct cfg80211_beacon_data params
;
3450 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3451 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3454 if (!rdev
->ops
->change_beacon
)
3457 if (!wdev
->beacon_interval
)
3460 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3465 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3471 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3473 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3474 struct net_device
*dev
= info
->user_ptr
[1];
3476 return cfg80211_stop_ap(rdev
, dev
, false);
3479 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3480 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3481 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3482 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3483 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3484 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3485 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3488 static int parse_station_flags(struct genl_info
*info
,
3489 enum nl80211_iftype iftype
,
3490 struct station_parameters
*params
)
3492 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3497 * Try parsing the new attribute first so userspace
3498 * can specify both for older kernels.
3500 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3502 struct nl80211_sta_flag_update
*sta_flags
;
3504 sta_flags
= nla_data(nla
);
3505 params
->sta_flags_mask
= sta_flags
->mask
;
3506 params
->sta_flags_set
= sta_flags
->set
;
3507 params
->sta_flags_set
&= params
->sta_flags_mask
;
3508 if ((params
->sta_flags_mask
|
3509 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3514 /* if present, parse the old attribute */
3516 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3520 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3521 nla
, sta_flags_policy
))
3525 * Only allow certain flags for interface types so that
3526 * other attributes are silently ignored. Remember that
3527 * this is backward compatibility code with old userspace
3528 * and shouldn't be hit in other cases anyway.
3531 case NL80211_IFTYPE_AP
:
3532 case NL80211_IFTYPE_AP_VLAN
:
3533 case NL80211_IFTYPE_P2P_GO
:
3534 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3535 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3536 BIT(NL80211_STA_FLAG_WME
) |
3537 BIT(NL80211_STA_FLAG_MFP
);
3539 case NL80211_IFTYPE_P2P_CLIENT
:
3540 case NL80211_IFTYPE_STATION
:
3541 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3542 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3544 case NL80211_IFTYPE_MESH_POINT
:
3545 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3546 BIT(NL80211_STA_FLAG_MFP
) |
3547 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3552 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3554 params
->sta_flags_set
|= (1<<flag
);
3556 /* no longer support new API additions in old API */
3557 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3565 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3568 struct nlattr
*rate
;
3572 rate
= nla_nest_start(msg
, attr
);
3576 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3577 bitrate
= cfg80211_calculate_bitrate(info
);
3578 /* report 16-bit bitrate only if we can */
3579 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3581 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3583 if (bitrate_compat
> 0 &&
3584 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3587 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3588 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3590 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3591 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3593 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3594 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3596 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3597 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3599 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3601 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3602 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3604 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3605 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3607 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3608 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3610 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3611 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3613 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3614 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3618 nla_nest_end(msg
, rate
);
3622 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3631 attr
= nla_nest_start(msg
, id
);
3635 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3636 if (!(mask
& BIT(i
)))
3639 if (nla_put_u8(msg
, i
, signal
[i
]))
3643 nla_nest_end(msg
, attr
);
3648 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3650 struct cfg80211_registered_device
*rdev
,
3651 struct net_device
*dev
,
3652 const u8
*mac_addr
, struct station_info
*sinfo
)
3655 struct nlattr
*sinfoattr
, *bss_param
;
3657 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3661 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3662 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3663 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3664 goto nla_put_failure
;
3666 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3668 goto nla_put_failure
;
3669 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3670 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3671 sinfo
->connected_time
))
3672 goto nla_put_failure
;
3673 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3674 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3675 sinfo
->inactive_time
))
3676 goto nla_put_failure
;
3677 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3678 STATION_INFO_RX_BYTES64
)) &&
3679 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3680 (u32
)sinfo
->rx_bytes
))
3681 goto nla_put_failure
;
3682 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3683 STATION_INFO_TX_BYTES64
)) &&
3684 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3685 (u32
)sinfo
->tx_bytes
))
3686 goto nla_put_failure
;
3687 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3688 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3690 goto nla_put_failure
;
3691 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3692 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3694 goto nla_put_failure
;
3695 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3696 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3697 goto nla_put_failure
;
3698 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3699 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3700 goto nla_put_failure
;
3701 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3702 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3703 sinfo
->plink_state
))
3704 goto nla_put_failure
;
3705 switch (rdev
->wiphy
.signal_type
) {
3706 case CFG80211_SIGNAL_TYPE_MBM
:
3707 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3708 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3710 goto nla_put_failure
;
3711 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3712 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3714 goto nla_put_failure
;
3719 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3720 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3721 sinfo
->chain_signal
,
3722 NL80211_STA_INFO_CHAIN_SIGNAL
))
3723 goto nla_put_failure
;
3725 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3726 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3727 sinfo
->chain_signal_avg
,
3728 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3729 goto nla_put_failure
;
3731 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3732 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3733 NL80211_STA_INFO_TX_BITRATE
))
3734 goto nla_put_failure
;
3736 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3737 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3738 NL80211_STA_INFO_RX_BITRATE
))
3739 goto nla_put_failure
;
3741 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3742 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3744 goto nla_put_failure
;
3745 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3746 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3748 goto nla_put_failure
;
3749 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3750 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3752 goto nla_put_failure
;
3753 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3754 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3756 goto nla_put_failure
;
3757 if ((sinfo
->filled
& STATION_INFO_EXPECTED_THROUGHPUT
) &&
3758 nla_put_u32(msg
, NL80211_STA_INFO_EXPECTED_THROUGHPUT
,
3759 sinfo
->expected_throughput
))
3760 goto nla_put_failure
;
3761 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3762 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3763 sinfo
->beacon_loss_count
))
3764 goto nla_put_failure
;
3765 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3766 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3768 goto nla_put_failure
;
3769 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3770 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3772 goto nla_put_failure
;
3773 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3774 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3776 goto nla_put_failure
;
3777 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3778 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3780 goto nla_put_failure
;
3782 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3783 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3784 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3785 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3786 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3787 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3788 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3789 sinfo
->bss_param
.dtim_period
) ||
3790 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3791 sinfo
->bss_param
.beacon_interval
))
3792 goto nla_put_failure
;
3794 nla_nest_end(msg
, bss_param
);
3796 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3797 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3798 sizeof(struct nl80211_sta_flag_update
),
3800 goto nla_put_failure
;
3801 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3802 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3804 goto nla_put_failure
;
3805 nla_nest_end(msg
, sinfoattr
);
3807 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3808 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3809 sinfo
->assoc_req_ies
))
3810 goto nla_put_failure
;
3812 return genlmsg_end(msg
, hdr
);
3815 genlmsg_cancel(msg
, hdr
);
3819 static int nl80211_dump_station(struct sk_buff
*skb
,
3820 struct netlink_callback
*cb
)
3822 struct station_info sinfo
;
3823 struct cfg80211_registered_device
*rdev
;
3824 struct wireless_dev
*wdev
;
3825 u8 mac_addr
[ETH_ALEN
];
3826 int sta_idx
= cb
->args
[2];
3829 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3833 if (!wdev
->netdev
) {
3838 if (!rdev
->ops
->dump_station
) {
3844 memset(&sinfo
, 0, sizeof(sinfo
));
3845 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3852 if (nl80211_send_station(skb
,
3853 NETLINK_CB(cb
->skb
).portid
,
3854 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3855 rdev
, wdev
->netdev
, mac_addr
,
3864 cb
->args
[2] = sta_idx
;
3867 nl80211_finish_wdev_dump(rdev
);
3872 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3874 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3875 struct net_device
*dev
= info
->user_ptr
[1];
3876 struct station_info sinfo
;
3877 struct sk_buff
*msg
;
3878 u8
*mac_addr
= NULL
;
3881 memset(&sinfo
, 0, sizeof(sinfo
));
3883 if (!info
->attrs
[NL80211_ATTR_MAC
])
3886 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3888 if (!rdev
->ops
->get_station
)
3891 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3895 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3899 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3900 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3905 return genlmsg_reply(msg
, info
);
3908 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3909 struct station_parameters
*params
,
3910 enum cfg80211_station_type statype
)
3912 if (params
->listen_interval
!= -1)
3915 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3918 /* When you run into this, adjust the code below for the new flag */
3919 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3922 case CFG80211_STA_MESH_PEER_KERNEL
:
3923 case CFG80211_STA_MESH_PEER_USER
:
3925 * No ignoring the TDLS flag here -- the userspace mesh
3926 * code doesn't have the bug of including TDLS in the
3929 if (params
->sta_flags_mask
&
3930 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3931 BIT(NL80211_STA_FLAG_MFP
) |
3932 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3935 case CFG80211_STA_TDLS_PEER_SETUP
:
3936 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3937 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3939 /* ignore since it can't change */
3940 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3943 /* disallow mesh-specific things */
3944 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3946 if (params
->local_pm
)
3948 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3952 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3953 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3954 /* TDLS can't be set, ... */
3955 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3958 * ... but don't bother the driver with it. This works around
3959 * a hostapd/wpa_supplicant issue -- it always includes the
3960 * TLDS_PEER flag in the mask even for AP mode.
3962 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3965 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3966 /* reject other things that can't change */
3967 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3969 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3971 if (params
->supported_rates
)
3973 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3977 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3983 case CFG80211_STA_AP_MLME_CLIENT
:
3984 /* Use this only for authorizing/unauthorizing a station */
3985 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3988 case CFG80211_STA_AP_CLIENT
:
3989 /* accept only the listed bits */
3990 if (params
->sta_flags_mask
&
3991 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3992 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3993 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3994 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3995 BIT(NL80211_STA_FLAG_WME
) |
3996 BIT(NL80211_STA_FLAG_MFP
)))
3999 /* but authenticated/associated only if driver handles it */
4000 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4001 params
->sta_flags_mask
&
4002 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4003 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4006 case CFG80211_STA_IBSS
:
4007 case CFG80211_STA_AP_STA
:
4008 /* reject any changes other than AUTHORIZED */
4009 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4012 case CFG80211_STA_TDLS_PEER_SETUP
:
4013 /* reject any changes other than AUTHORIZED or WME */
4014 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4015 BIT(NL80211_STA_FLAG_WME
)))
4017 /* force (at least) rates when authorizing */
4018 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4019 !params
->supported_rates
)
4022 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4023 /* reject any changes */
4025 case CFG80211_STA_MESH_PEER_KERNEL
:
4026 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4029 case CFG80211_STA_MESH_PEER_USER
:
4030 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4037 EXPORT_SYMBOL(cfg80211_check_station_change
);
4040 * Get vlan interface making sure it is running and on the right wiphy.
4042 static struct net_device
*get_vlan(struct genl_info
*info
,
4043 struct cfg80211_registered_device
*rdev
)
4045 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4046 struct net_device
*v
;
4052 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4054 return ERR_PTR(-ENODEV
);
4056 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4061 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4062 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4063 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4068 if (!netif_running(v
)) {
4076 return ERR_PTR(ret
);
4079 static const struct nla_policy
4080 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4081 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4082 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4085 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4086 struct station_parameters
*params
)
4088 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4092 /* parse WME attributes if present */
4093 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4096 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4097 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4098 nl80211_sta_wme_policy
);
4102 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4103 params
->uapsd_queues
= nla_get_u8(
4104 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4105 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4108 if (tb
[NL80211_STA_WME_MAX_SP
])
4109 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4111 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4114 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4119 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4120 struct station_parameters
*params
)
4122 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4123 params
->supported_channels
=
4124 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4125 params
->supported_channels_len
=
4126 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4128 * Need to include at least one (first channel, number of
4129 * channels) tuple for each subband, and must have proper
4130 * tuples for the rest of the data as well.
4132 if (params
->supported_channels_len
< 2)
4134 if (params
->supported_channels_len
% 2)
4138 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4139 params
->supported_oper_classes
=
4140 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4141 params
->supported_oper_classes_len
=
4142 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4144 * The value of the Length field of the Supported Operating
4145 * Classes element is between 2 and 253.
4147 if (params
->supported_oper_classes_len
< 2 ||
4148 params
->supported_oper_classes_len
> 253)
4154 static int nl80211_set_station_tdls(struct genl_info
*info
,
4155 struct station_parameters
*params
)
4158 /* Dummy STA entry gets updated once the peer capabilities are known */
4159 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4160 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4161 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4163 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4164 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4166 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4168 err
= nl80211_parse_sta_channel_info(info
, params
);
4172 return nl80211_parse_sta_wme(info
, params
);
4175 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4177 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4178 struct net_device
*dev
= info
->user_ptr
[1];
4179 struct station_parameters params
;
4183 memset(¶ms
, 0, sizeof(params
));
4185 params
.listen_interval
= -1;
4187 if (!rdev
->ops
->change_station
)
4190 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4193 if (!info
->attrs
[NL80211_ATTR_MAC
])
4196 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4198 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4199 params
.supported_rates
=
4200 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4201 params
.supported_rates_len
=
4202 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4205 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4207 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4208 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4211 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4213 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4214 params
.ext_capab_len
=
4215 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4218 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4221 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4224 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4225 params
.plink_action
=
4226 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4227 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4231 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4232 params
.plink_state
=
4233 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4234 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4236 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4239 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4240 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4241 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4243 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4244 pm
> NL80211_MESH_POWER_MAX
)
4247 params
.local_pm
= pm
;
4250 /* Include parameters for TDLS peer (will check later) */
4251 err
= nl80211_set_station_tdls(info
, ¶ms
);
4255 params
.vlan
= get_vlan(info
, rdev
);
4256 if (IS_ERR(params
.vlan
))
4257 return PTR_ERR(params
.vlan
);
4259 switch (dev
->ieee80211_ptr
->iftype
) {
4260 case NL80211_IFTYPE_AP
:
4261 case NL80211_IFTYPE_AP_VLAN
:
4262 case NL80211_IFTYPE_P2P_GO
:
4263 case NL80211_IFTYPE_P2P_CLIENT
:
4264 case NL80211_IFTYPE_STATION
:
4265 case NL80211_IFTYPE_ADHOC
:
4266 case NL80211_IFTYPE_MESH_POINT
:
4273 /* driver will call cfg80211_check_station_change() */
4274 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4278 dev_put(params
.vlan
);
4283 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4285 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4287 struct net_device
*dev
= info
->user_ptr
[1];
4288 struct station_parameters params
;
4289 u8
*mac_addr
= NULL
;
4291 memset(¶ms
, 0, sizeof(params
));
4293 if (!rdev
->ops
->add_station
)
4296 if (!info
->attrs
[NL80211_ATTR_MAC
])
4299 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4302 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4305 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4306 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4309 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4310 params
.supported_rates
=
4311 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4312 params
.supported_rates_len
=
4313 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4314 params
.listen_interval
=
4315 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4317 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4318 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4320 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4321 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4324 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4326 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4327 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4330 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4332 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4333 params
.ext_capab_len
=
4334 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4337 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4339 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4341 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4343 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4345 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4346 params
.opmode_notif_used
= true;
4347 params
.opmode_notif
=
4348 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4351 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4352 params
.plink_action
=
4353 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4354 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4358 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4362 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4366 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4369 /* When you run into this, adjust the code below for the new flag */
4370 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4372 switch (dev
->ieee80211_ptr
->iftype
) {
4373 case NL80211_IFTYPE_AP
:
4374 case NL80211_IFTYPE_AP_VLAN
:
4375 case NL80211_IFTYPE_P2P_GO
:
4376 /* ignore WME attributes if iface/sta is not capable */
4377 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4378 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4379 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4381 /* TDLS peers cannot be added */
4382 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4383 info
->attrs
[NL80211_ATTR_PEER_AID
])
4385 /* but don't bother the driver with it */
4386 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4388 /* allow authenticated/associated only if driver handles it */
4389 if (!(rdev
->wiphy
.features
&
4390 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4391 params
.sta_flags_mask
&
4392 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4393 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4396 /* must be last in here for error handling */
4397 params
.vlan
= get_vlan(info
, rdev
);
4398 if (IS_ERR(params
.vlan
))
4399 return PTR_ERR(params
.vlan
);
4401 case NL80211_IFTYPE_MESH_POINT
:
4402 /* ignore uAPSD data */
4403 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4405 /* associated is disallowed */
4406 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4408 /* TDLS peers cannot be added */
4409 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4410 info
->attrs
[NL80211_ATTR_PEER_AID
])
4413 case NL80211_IFTYPE_STATION
:
4414 case NL80211_IFTYPE_P2P_CLIENT
:
4415 /* ignore uAPSD data */
4416 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4418 /* these are disallowed */
4419 if (params
.sta_flags_mask
&
4420 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4421 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4423 /* Only TDLS peers can be added */
4424 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4426 /* Can only add if TDLS ... */
4427 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4429 /* ... with external setup is supported */
4430 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4433 * Older wpa_supplicant versions always mark the TDLS peer
4434 * as authorized, but it shouldn't yet be.
4436 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4442 /* be aware of params.vlan when changing code here */
4444 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4447 dev_put(params
.vlan
);
4451 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4453 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4454 struct net_device
*dev
= info
->user_ptr
[1];
4455 struct station_del_parameters params
;
4457 memset(¶ms
, 0, sizeof(params
));
4459 if (info
->attrs
[NL80211_ATTR_MAC
])
4460 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4462 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4463 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4464 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4465 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4468 if (!rdev
->ops
->del_station
)
4471 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4473 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4474 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4475 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4478 /* Default to Deauthentication frame */
4479 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4482 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4483 params
.reason_code
=
4484 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4485 if (params
.reason_code
== 0)
4486 return -EINVAL
; /* 0 is reserved */
4488 /* Default to reason code 2 */
4489 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4492 return rdev_del_station(rdev
, dev
, ¶ms
);
4495 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4496 int flags
, struct net_device
*dev
,
4497 u8
*dst
, u8
*next_hop
,
4498 struct mpath_info
*pinfo
)
4501 struct nlattr
*pinfoattr
;
4503 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4507 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4508 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4509 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4510 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4511 goto nla_put_failure
;
4513 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4515 goto nla_put_failure
;
4516 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4517 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4519 goto nla_put_failure
;
4520 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4521 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4522 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4523 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4525 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4526 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4528 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4529 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4531 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4532 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4533 pinfo
->discovery_timeout
)) ||
4534 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4535 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4536 pinfo
->discovery_retries
)))
4537 goto nla_put_failure
;
4539 nla_nest_end(msg
, pinfoattr
);
4541 return genlmsg_end(msg
, hdr
);
4544 genlmsg_cancel(msg
, hdr
);
4548 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4549 struct netlink_callback
*cb
)
4551 struct mpath_info pinfo
;
4552 struct cfg80211_registered_device
*rdev
;
4553 struct wireless_dev
*wdev
;
4555 u8 next_hop
[ETH_ALEN
];
4556 int path_idx
= cb
->args
[2];
4559 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4563 if (!rdev
->ops
->dump_mpath
) {
4568 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4574 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4581 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4582 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4583 wdev
->netdev
, dst
, next_hop
,
4592 cb
->args
[2] = path_idx
;
4595 nl80211_finish_wdev_dump(rdev
);
4599 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4601 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4603 struct net_device
*dev
= info
->user_ptr
[1];
4604 struct mpath_info pinfo
;
4605 struct sk_buff
*msg
;
4607 u8 next_hop
[ETH_ALEN
];
4609 memset(&pinfo
, 0, sizeof(pinfo
));
4611 if (!info
->attrs
[NL80211_ATTR_MAC
])
4614 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4616 if (!rdev
->ops
->get_mpath
)
4619 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4622 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4626 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4630 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4631 dev
, dst
, next_hop
, &pinfo
) < 0) {
4636 return genlmsg_reply(msg
, info
);
4639 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4641 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4642 struct net_device
*dev
= info
->user_ptr
[1];
4644 u8
*next_hop
= NULL
;
4646 if (!info
->attrs
[NL80211_ATTR_MAC
])
4649 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4652 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4653 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4655 if (!rdev
->ops
->change_mpath
)
4658 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4661 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4664 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4666 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4667 struct net_device
*dev
= info
->user_ptr
[1];
4669 u8
*next_hop
= NULL
;
4671 if (!info
->attrs
[NL80211_ATTR_MAC
])
4674 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4677 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4678 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4680 if (!rdev
->ops
->add_mpath
)
4683 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4686 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4689 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4691 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4692 struct net_device
*dev
= info
->user_ptr
[1];
4695 if (info
->attrs
[NL80211_ATTR_MAC
])
4696 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4698 if (!rdev
->ops
->del_mpath
)
4701 return rdev_del_mpath(rdev
, dev
, dst
);
4704 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4706 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4708 struct net_device
*dev
= info
->user_ptr
[1];
4709 struct mpath_info pinfo
;
4710 struct sk_buff
*msg
;
4714 memset(&pinfo
, 0, sizeof(pinfo
));
4716 if (!info
->attrs
[NL80211_ATTR_MAC
])
4719 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4721 if (!rdev
->ops
->get_mpp
)
4724 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4727 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4731 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4735 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4736 dev
, dst
, mpp
, &pinfo
) < 0) {
4741 return genlmsg_reply(msg
, info
);
4744 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4745 struct netlink_callback
*cb
)
4747 struct mpath_info pinfo
;
4748 struct cfg80211_registered_device
*rdev
;
4749 struct wireless_dev
*wdev
;
4752 int path_idx
= cb
->args
[2];
4755 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4759 if (!rdev
->ops
->dump_mpp
) {
4764 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4770 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4777 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4778 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4779 wdev
->netdev
, dst
, mpp
,
4787 cb
->args
[2] = path_idx
;
4790 nl80211_finish_wdev_dump(rdev
);
4794 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4796 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4797 struct net_device
*dev
= info
->user_ptr
[1];
4798 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4799 struct bss_parameters params
;
4802 memset(¶ms
, 0, sizeof(params
));
4803 /* default to not changing parameters */
4804 params
.use_cts_prot
= -1;
4805 params
.use_short_preamble
= -1;
4806 params
.use_short_slot_time
= -1;
4807 params
.ap_isolate
= -1;
4808 params
.ht_opmode
= -1;
4809 params
.p2p_ctwindow
= -1;
4810 params
.p2p_opp_ps
= -1;
4812 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4813 params
.use_cts_prot
=
4814 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4815 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4816 params
.use_short_preamble
=
4817 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4818 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4819 params
.use_short_slot_time
=
4820 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4821 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4822 params
.basic_rates
=
4823 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4824 params
.basic_rates_len
=
4825 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4827 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4828 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4829 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4831 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4833 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4834 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4836 params
.p2p_ctwindow
=
4837 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4838 if (params
.p2p_ctwindow
< 0)
4840 if (params
.p2p_ctwindow
!= 0 &&
4841 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4845 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4848 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4850 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4853 params
.p2p_opp_ps
= tmp
;
4854 if (params
.p2p_opp_ps
&&
4855 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4859 if (!rdev
->ops
->change_bss
)
4862 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4863 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4867 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4873 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4874 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4875 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4876 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4877 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4878 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4879 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4880 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4883 static int parse_reg_rule(struct nlattr
*tb
[],
4884 struct ieee80211_reg_rule
*reg_rule
)
4886 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4887 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4889 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4891 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4893 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4895 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4897 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4900 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4902 freq_range
->start_freq_khz
=
4903 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4904 freq_range
->end_freq_khz
=
4905 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4906 freq_range
->max_bandwidth_khz
=
4907 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4909 power_rule
->max_eirp
=
4910 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4912 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4913 power_rule
->max_antenna_gain
=
4914 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4916 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4917 reg_rule
->dfs_cac_ms
=
4918 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4923 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4926 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4929 * You should only get this when cfg80211 hasn't yet initialized
4930 * completely when built-in to the kernel right between the time
4931 * window between nl80211_init() and regulatory_init(), if that is
4934 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4935 return -EINPROGRESS
;
4937 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4938 user_reg_hint_type
=
4939 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4941 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4943 switch (user_reg_hint_type
) {
4944 case NL80211_USER_REG_HINT_USER
:
4945 case NL80211_USER_REG_HINT_CELL_BASE
:
4946 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4949 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4950 return regulatory_hint_user(data
, user_reg_hint_type
);
4951 case NL80211_USER_REG_HINT_INDOOR
:
4952 return regulatory_hint_indoor_user();
4958 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4959 struct genl_info
*info
)
4961 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4962 struct net_device
*dev
= info
->user_ptr
[1];
4963 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4964 struct mesh_config cur_params
;
4967 struct nlattr
*pinfoattr
;
4968 struct sk_buff
*msg
;
4970 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4973 if (!rdev
->ops
->get_mesh_config
)
4977 /* If not connected, get default parameters */
4978 if (!wdev
->mesh_id_len
)
4979 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4981 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4987 /* Draw up a netlink message to send back */
4988 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4991 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4992 NL80211_CMD_GET_MESH_CONFIG
);
4995 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4997 goto nla_put_failure
;
4998 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4999 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5000 cur_params
.dot11MeshRetryTimeout
) ||
5001 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5002 cur_params
.dot11MeshConfirmTimeout
) ||
5003 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5004 cur_params
.dot11MeshHoldingTimeout
) ||
5005 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5006 cur_params
.dot11MeshMaxPeerLinks
) ||
5007 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5008 cur_params
.dot11MeshMaxRetries
) ||
5009 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5010 cur_params
.dot11MeshTTL
) ||
5011 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5012 cur_params
.element_ttl
) ||
5013 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5014 cur_params
.auto_open_plinks
) ||
5015 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5016 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5017 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5018 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5019 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5020 cur_params
.path_refresh_time
) ||
5021 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5022 cur_params
.min_discovery_timeout
) ||
5023 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5024 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5025 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5026 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5027 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5028 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5029 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5030 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5031 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5032 cur_params
.dot11MeshHWMPRootMode
) ||
5033 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5034 cur_params
.dot11MeshHWMPRannInterval
) ||
5035 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5036 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5037 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5038 cur_params
.dot11MeshForwarding
) ||
5039 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5040 cur_params
.rssi_threshold
) ||
5041 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5042 cur_params
.ht_opmode
) ||
5043 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5044 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5045 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5046 cur_params
.dot11MeshHWMProotInterval
) ||
5047 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5048 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5049 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5050 cur_params
.power_mode
) ||
5051 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5052 cur_params
.dot11MeshAwakeWindowDuration
) ||
5053 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5054 cur_params
.plink_timeout
))
5055 goto nla_put_failure
;
5056 nla_nest_end(msg
, pinfoattr
);
5057 genlmsg_end(msg
, hdr
);
5058 return genlmsg_reply(msg
, info
);
5061 genlmsg_cancel(msg
, hdr
);
5067 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5068 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5069 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5070 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5071 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5072 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5073 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5074 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5075 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5076 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5077 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5078 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5079 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5080 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5081 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5082 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5083 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5084 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5085 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5086 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5087 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5088 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5089 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5090 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5091 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5092 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5093 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5094 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5095 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5098 static const struct nla_policy
5099 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5100 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5101 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5102 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5103 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5104 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5105 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5106 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5107 .len
= IEEE80211_MAX_DATA_LEN
},
5108 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5111 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5112 struct mesh_config
*cfg
,
5115 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5118 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5121 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5123 cfg->param = fn(tb[attr]); \
5124 mask |= (1 << (attr - 1)); \
5129 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5131 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5132 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5133 nl80211_meshconf_params_policy
))
5136 /* This makes sure that there aren't more than 32 mesh config
5137 * parameters (otherwise our bitfield scheme would not work.) */
5138 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5140 /* Fill in the params struct */
5141 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5142 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5144 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5145 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5147 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5148 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5150 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5151 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5153 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5154 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5156 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5157 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5158 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5159 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5161 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5162 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5164 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5166 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5168 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5169 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5171 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5172 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5174 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5175 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5177 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5179 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5181 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5183 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5185 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5187 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5189 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5190 dot11MeshHWMPnetDiameterTraversalTime
,
5192 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5194 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5195 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5197 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5198 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5200 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5201 dot11MeshGateAnnouncementProtocol
, 0, 1,
5202 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5204 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5205 mask
, NL80211_MESHCONF_FORWARDING
,
5207 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5208 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5210 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5211 mask
, NL80211_MESHCONF_HT_OPMODE
,
5213 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5215 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5217 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5218 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5220 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5221 dot11MeshHWMPconfirmationInterval
,
5223 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5225 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5226 NL80211_MESH_POWER_ACTIVE
,
5227 NL80211_MESH_POWER_MAX
,
5228 mask
, NL80211_MESHCONF_POWER_MODE
,
5230 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5232 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5233 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5234 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5241 #undef FILL_IN_MESH_PARAM_IF_SET
5244 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5245 struct mesh_setup
*setup
)
5247 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5248 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5250 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5252 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5253 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5254 nl80211_mesh_setup_params_policy
))
5257 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5258 setup
->sync_method
=
5259 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5260 IEEE80211_SYNC_METHOD_VENDOR
:
5261 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5263 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5264 setup
->path_sel_proto
=
5265 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5266 IEEE80211_PATH_PROTOCOL_VENDOR
:
5267 IEEE80211_PATH_PROTOCOL_HWMP
;
5269 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5270 setup
->path_metric
=
5271 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5272 IEEE80211_PATH_METRIC_VENDOR
:
5273 IEEE80211_PATH_METRIC_AIRTIME
;
5276 if (tb
[NL80211_MESH_SETUP_IE
]) {
5277 struct nlattr
*ieattr
=
5278 tb
[NL80211_MESH_SETUP_IE
];
5279 if (!is_valid_ie_attr(ieattr
))
5281 setup
->ie
= nla_data(ieattr
);
5282 setup
->ie_len
= nla_len(ieattr
);
5284 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5285 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5287 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5288 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5289 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5290 if (setup
->is_secure
)
5291 setup
->user_mpm
= true;
5293 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5294 if (!setup
->user_mpm
)
5297 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5303 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5304 struct genl_info
*info
)
5306 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5307 struct net_device
*dev
= info
->user_ptr
[1];
5308 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5309 struct mesh_config cfg
;
5313 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5316 if (!rdev
->ops
->update_mesh_config
)
5319 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5324 if (!wdev
->mesh_id_len
)
5328 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5335 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
5336 struct sk_buff
*msg
)
5338 struct nlattr
*nl_reg_rules
;
5341 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5342 (regdom
->dfs_region
&&
5343 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5344 goto nla_put_failure
;
5346 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5348 goto nla_put_failure
;
5350 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5351 struct nlattr
*nl_reg_rule
;
5352 const struct ieee80211_reg_rule
*reg_rule
;
5353 const struct ieee80211_freq_range
*freq_range
;
5354 const struct ieee80211_power_rule
*power_rule
;
5355 unsigned int max_bandwidth_khz
;
5357 reg_rule
= ®dom
->reg_rules
[i
];
5358 freq_range
= ®_rule
->freq_range
;
5359 power_rule
= ®_rule
->power_rule
;
5361 nl_reg_rule
= nla_nest_start(msg
, i
);
5363 goto nla_put_failure
;
5365 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5366 if (!max_bandwidth_khz
)
5367 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5370 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5372 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5373 freq_range
->start_freq_khz
) ||
5374 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5375 freq_range
->end_freq_khz
) ||
5376 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5377 max_bandwidth_khz
) ||
5378 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5379 power_rule
->max_antenna_gain
) ||
5380 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5381 power_rule
->max_eirp
) ||
5382 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5383 reg_rule
->dfs_cac_ms
))
5384 goto nla_put_failure
;
5386 nla_nest_end(msg
, nl_reg_rule
);
5389 nla_nest_end(msg
, nl_reg_rules
);
5396 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
5398 const struct ieee80211_regdomain
*regdom
= NULL
;
5399 struct cfg80211_registered_device
*rdev
;
5400 struct wiphy
*wiphy
= NULL
;
5401 struct sk_buff
*msg
;
5404 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5408 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5409 NL80211_CMD_GET_REG
);
5413 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
5416 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
5419 return PTR_ERR(rdev
);
5422 wiphy
= &rdev
->wiphy
;
5423 self_managed
= wiphy
->regulatory_flags
&
5424 REGULATORY_WIPHY_SELF_MANAGED
;
5425 regdom
= get_wiphy_regdom(wiphy
);
5427 /* a self-managed-reg device must have a private regdom */
5428 if (WARN_ON(!regdom
&& self_managed
)) {
5434 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5435 goto nla_put_failure
;
5438 if (!wiphy
&& reg_last_request_cell_base() &&
5439 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5440 NL80211_USER_REG_HINT_CELL_BASE
))
5441 goto nla_put_failure
;
5446 regdom
= rcu_dereference(cfg80211_regdomain
);
5448 if (nl80211_put_regdom(regdom
, msg
))
5449 goto nla_put_failure_rcu
;
5453 genlmsg_end(msg
, hdr
);
5454 return genlmsg_reply(msg
, info
);
5456 nla_put_failure_rcu
:
5459 genlmsg_cancel(msg
, hdr
);
5465 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5466 u32 seq
, int flags
, struct wiphy
*wiphy
,
5467 const struct ieee80211_regdomain
*regdom
)
5469 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5470 NL80211_CMD_GET_REG
);
5475 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5477 if (nl80211_put_regdom(regdom
, msg
))
5478 goto nla_put_failure
;
5480 if (!wiphy
&& reg_last_request_cell_base() &&
5481 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5482 NL80211_USER_REG_HINT_CELL_BASE
))
5483 goto nla_put_failure
;
5486 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5487 goto nla_put_failure
;
5489 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
5490 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
5491 goto nla_put_failure
;
5493 return genlmsg_end(msg
, hdr
);
5496 genlmsg_cancel(msg
, hdr
);
5500 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
5501 struct netlink_callback
*cb
)
5503 const struct ieee80211_regdomain
*regdom
= NULL
;
5504 struct cfg80211_registered_device
*rdev
;
5505 int err
, reg_idx
, start
= cb
->args
[2];
5509 if (cfg80211_regdomain
&& start
== 0) {
5510 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5512 rtnl_dereference(cfg80211_regdomain
));
5517 /* the global regdom is idx 0 */
5519 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
5520 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
5524 if (++reg_idx
<= start
)
5527 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5528 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
5535 cb
->args
[2] = reg_idx
;
5542 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5544 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5545 struct nlattr
*nl_reg_rule
;
5547 int rem_reg_rules
, r
;
5548 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5549 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5550 struct ieee80211_regdomain
*rd
;
5552 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5555 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5558 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5560 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5561 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5563 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5566 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5570 if (!reg_is_valid_request(alpha2
))
5573 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5574 num_rules
* sizeof(struct ieee80211_reg_rule
);
5576 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5580 rd
->n_reg_rules
= num_rules
;
5581 rd
->alpha2
[0] = alpha2
[0];
5582 rd
->alpha2
[1] = alpha2
[1];
5585 * Disable DFS master mode if the DFS region was
5586 * not supported or known on this kernel.
5588 if (reg_supported_dfs_region(dfs_region
))
5589 rd
->dfs_region
= dfs_region
;
5591 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5593 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5594 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5598 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5604 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5611 /* set_regdom took ownership */
5619 static int validate_scan_freqs(struct nlattr
*freqs
)
5621 struct nlattr
*attr1
, *attr2
;
5622 int n_channels
= 0, tmp1
, tmp2
;
5624 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5627 * Some hardware has a limited channel list for
5628 * scanning, and it is pretty much nonsensical
5629 * to scan for a channel twice, so disallow that
5630 * and don't require drivers to check that the
5631 * channel list they get isn't longer than what
5632 * they can scan, as long as they can scan all
5633 * the channels they registered at once.
5635 nla_for_each_nested(attr2
, freqs
, tmp2
)
5636 if (attr1
!= attr2
&&
5637 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5644 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5645 u8
*mac_addr
, u8
*mac_addr_mask
)
5649 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5650 memset(mac_addr
, 0, ETH_ALEN
);
5651 memset(mac_addr_mask
, 0, ETH_ALEN
);
5653 mac_addr_mask
[0] = 0x3;
5658 /* need both or none */
5659 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5662 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5663 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5665 /* don't allow or configure an mcast address */
5666 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5667 is_multicast_ether_addr(mac_addr
))
5671 * allow users to pass a MAC address that has bits set outside
5672 * of the mask, but don't bother drivers with having to deal
5675 for (i
= 0; i
< ETH_ALEN
; i
++)
5676 mac_addr
[i
] &= mac_addr_mask
[i
];
5681 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5683 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5684 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5685 struct cfg80211_scan_request
*request
;
5686 struct nlattr
*attr
;
5687 struct wiphy
*wiphy
;
5688 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5691 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5694 wiphy
= &rdev
->wiphy
;
5696 if (!rdev
->ops
->scan
)
5699 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5704 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5705 n_channels
= validate_scan_freqs(
5706 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5712 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5715 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5716 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5719 if (n_ssids
> wiphy
->max_scan_ssids
) {
5724 if (info
->attrs
[NL80211_ATTR_IE
])
5725 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5729 if (ie_len
> wiphy
->max_scan_ie_len
) {
5734 request
= kzalloc(sizeof(*request
)
5735 + sizeof(*request
->ssids
) * n_ssids
5736 + sizeof(*request
->channels
) * n_channels
5737 + ie_len
, GFP_KERNEL
);
5744 request
->ssids
= (void *)&request
->channels
[n_channels
];
5745 request
->n_ssids
= n_ssids
;
5748 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5750 request
->ie
= (void *)(request
->channels
+ n_channels
);
5754 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5755 /* user specified, bail out if channel not found */
5756 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5757 struct ieee80211_channel
*chan
;
5759 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5766 /* ignore disabled channels */
5767 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5770 request
->channels
[i
] = chan
;
5774 enum ieee80211_band band
;
5777 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5779 if (!wiphy
->bands
[band
])
5781 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5782 struct ieee80211_channel
*chan
;
5784 chan
= &wiphy
->bands
[band
]->channels
[j
];
5786 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5789 request
->channels
[i
] = chan
;
5800 request
->n_channels
= i
;
5803 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5804 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5805 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5809 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5810 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5815 if (info
->attrs
[NL80211_ATTR_IE
]) {
5816 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5817 memcpy((void *)request
->ie
,
5818 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5822 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5823 if (wiphy
->bands
[i
])
5825 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5827 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5828 nla_for_each_nested(attr
,
5829 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5831 enum ieee80211_band band
= nla_type(attr
);
5833 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5838 if (!wiphy
->bands
[band
])
5841 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5844 &request
->rates
[band
]);
5850 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5851 request
->flags
= nla_get_u32(
5852 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5853 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5854 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5859 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5860 if (!(wiphy
->features
&
5861 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5866 if (wdev
->current_bss
) {
5871 err
= nl80211_parse_random_mac(info
->attrs
,
5873 request
->mac_addr_mask
);
5880 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5882 request
->wdev
= wdev
;
5883 request
->wiphy
= &rdev
->wiphy
;
5884 request
->scan_start
= jiffies
;
5886 rdev
->scan_req
= request
;
5887 err
= rdev_scan(rdev
, request
);
5890 nl80211_send_scan_start(rdev
, wdev
);
5892 dev_hold(wdev
->netdev
);
5895 rdev
->scan_req
= NULL
;
5903 static struct cfg80211_sched_scan_request
*
5904 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
5905 struct nlattr
**attrs
)
5907 struct cfg80211_sched_scan_request
*request
;
5908 struct nlattr
*attr
;
5909 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5911 enum ieee80211_band band
;
5913 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5914 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5916 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
5917 return ERR_PTR(-EINVAL
);
5919 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5920 return ERR_PTR(-EINVAL
);
5922 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5924 return ERR_PTR(-EINVAL
);
5926 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5927 n_channels
= validate_scan_freqs(
5928 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5930 return ERR_PTR(-EINVAL
);
5932 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5935 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
5936 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5940 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5941 return ERR_PTR(-EINVAL
);
5944 * First, count the number of 'real' matchsets. Due to an issue with
5945 * the old implementation, matchsets containing only the RSSI attribute
5946 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5947 * RSSI for all matchsets, rather than their own matchset for reporting
5948 * all APs with a strong RSSI. This is needed to be compatible with
5949 * older userspace that treated a matchset with only the RSSI as the
5950 * global RSSI for all other matchsets - if there are other matchsets.
5952 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5953 nla_for_each_nested(attr
,
5954 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5956 struct nlattr
*rssi
;
5958 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5959 nla_data(attr
), nla_len(attr
),
5960 nl80211_match_policy
);
5962 return ERR_PTR(err
);
5963 /* add other standalone attributes here */
5964 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5968 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5970 default_match_rssi
= nla_get_s32(rssi
);
5974 /* However, if there's no other matchset, add the RSSI one */
5975 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5978 if (n_match_sets
> wiphy
->max_match_sets
)
5979 return ERR_PTR(-EINVAL
);
5981 if (attrs
[NL80211_ATTR_IE
])
5982 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
5986 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5987 return ERR_PTR(-EINVAL
);
5989 request
= kzalloc(sizeof(*request
)
5990 + sizeof(*request
->ssids
) * n_ssids
5991 + sizeof(*request
->match_sets
) * n_match_sets
5992 + sizeof(*request
->channels
) * n_channels
5993 + ie_len
, GFP_KERNEL
);
5995 return ERR_PTR(-ENOMEM
);
5998 request
->ssids
= (void *)&request
->channels
[n_channels
];
5999 request
->n_ssids
= n_ssids
;
6002 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6004 request
->ie
= (void *)(request
->channels
+ n_channels
);
6009 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6010 else if (request
->ssids
)
6011 request
->match_sets
=
6012 (void *)(request
->ssids
+ n_ssids
);
6014 request
->match_sets
=
6015 (void *)(request
->channels
+ n_channels
);
6017 request
->n_match_sets
= n_match_sets
;
6020 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6021 /* user specified, bail out if channel not found */
6022 nla_for_each_nested(attr
,
6023 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6025 struct ieee80211_channel
*chan
;
6027 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6034 /* ignore disabled channels */
6035 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6038 request
->channels
[i
] = chan
;
6043 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6045 if (!wiphy
->bands
[band
])
6047 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6048 struct ieee80211_channel
*chan
;
6050 chan
= &wiphy
->bands
[band
]->channels
[j
];
6052 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6055 request
->channels
[i
] = chan
;
6066 request
->n_channels
= i
;
6069 if (attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
6070 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6072 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6076 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6077 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6084 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6085 nla_for_each_nested(attr
,
6086 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6088 struct nlattr
*ssid
, *rssi
;
6090 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6091 nla_data(attr
), nla_len(attr
),
6092 nl80211_match_policy
);
6095 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6097 if (WARN_ON(i
>= n_match_sets
)) {
6098 /* this indicates a programming error,
6099 * the loop above should have verified
6106 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6110 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6111 nla_data(ssid
), nla_len(ssid
));
6112 request
->match_sets
[i
].ssid
.ssid_len
=
6114 /* special attribute - old implemenation w/a */
6115 request
->match_sets
[i
].rssi_thold
=
6117 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6119 request
->match_sets
[i
].rssi_thold
=
6125 /* there was no other matchset, so the RSSI one is alone */
6127 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6129 request
->min_rssi_thold
= INT_MAX
;
6130 for (i
= 0; i
< n_match_sets
; i
++)
6131 request
->min_rssi_thold
=
6132 min(request
->match_sets
[i
].rssi_thold
,
6133 request
->min_rssi_thold
);
6135 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6139 request
->ie_len
= ie_len
;
6140 memcpy((void *)request
->ie
,
6141 nla_data(attrs
[NL80211_ATTR_IE
]),
6145 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6146 request
->flags
= nla_get_u32(
6147 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6148 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6149 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6154 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6155 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6157 if (!wdev
) /* must be net-detect */
6158 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6160 if (!(wiphy
->features
& flg
)) {
6165 if (wdev
&& wdev
->current_bss
) {
6170 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6171 request
->mac_addr_mask
);
6177 request
->interval
= interval
;
6178 request
->scan_start
= jiffies
;
6184 return ERR_PTR(err
);
6187 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6188 struct genl_info
*info
)
6190 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6191 struct net_device
*dev
= info
->user_ptr
[1];
6192 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6193 struct cfg80211_sched_scan_request
*sched_scan_req
;
6196 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6197 !rdev
->ops
->sched_scan_start
)
6200 if (rdev
->sched_scan_req
)
6201 return -EINPROGRESS
;
6203 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6206 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
6210 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
6214 sched_scan_req
->dev
= dev
;
6215 sched_scan_req
->wiphy
= &rdev
->wiphy
;
6217 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
6218 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
6220 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
6222 nl80211_send_sched_scan(rdev
, dev
,
6223 NL80211_CMD_START_SCHED_SCAN
);
6227 kfree(sched_scan_req
);
6232 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6233 struct genl_info
*info
)
6235 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6237 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6238 !rdev
->ops
->sched_scan_stop
)
6241 return __cfg80211_stop_sched_scan(rdev
, false);
6244 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6245 struct genl_info
*info
)
6247 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6248 struct net_device
*dev
= info
->user_ptr
[1];
6249 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6250 struct cfg80211_chan_def chandef
;
6251 enum nl80211_dfs_regions dfs_region
;
6252 unsigned int cac_time_ms
;
6255 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6256 if (dfs_region
== NL80211_DFS_UNSET
)
6259 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6263 if (netif_carrier_ok(dev
))
6266 if (wdev
->cac_started
)
6269 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6277 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6280 if (!rdev
->ops
->start_radar_detection
)
6283 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6284 if (WARN_ON(!cac_time_ms
))
6285 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6287 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6290 wdev
->chandef
= chandef
;
6291 wdev
->cac_started
= true;
6292 wdev
->cac_start_time
= jiffies
;
6293 wdev
->cac_time_ms
= cac_time_ms
;
6298 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6300 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6301 struct net_device
*dev
= info
->user_ptr
[1];
6302 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6303 struct cfg80211_csa_settings params
;
6304 /* csa_attrs is defined static to avoid waste of stack size - this
6305 * function is called under RTNL lock, so this should not be a problem.
6307 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6309 bool need_new_beacon
= false;
6313 if (!rdev
->ops
->channel_switch
||
6314 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6317 switch (dev
->ieee80211_ptr
->iftype
) {
6318 case NL80211_IFTYPE_AP
:
6319 case NL80211_IFTYPE_P2P_GO
:
6320 need_new_beacon
= true;
6322 /* useless if AP is not running */
6323 if (!wdev
->beacon_interval
)
6326 case NL80211_IFTYPE_ADHOC
:
6327 if (!wdev
->ssid_len
)
6330 case NL80211_IFTYPE_MESH_POINT
:
6331 if (!wdev
->mesh_id_len
)
6338 memset(¶ms
, 0, sizeof(params
));
6340 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6341 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6344 /* only important for AP, IBSS and mesh create IEs internally */
6345 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6348 /* Even though the attribute is u32, the specification says
6349 * u8, so let's make sure we don't overflow.
6351 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6355 params
.count
= cs_count
;
6357 if (!need_new_beacon
)
6360 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6364 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6365 info
->attrs
[NL80211_ATTR_CSA_IES
],
6370 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6374 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6377 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6378 if (!len
|| (len
% sizeof(u16
)))
6381 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6382 if (rdev
->wiphy
.max_num_csa_counters
&&
6383 (params
.n_counter_offsets_beacon
>
6384 rdev
->wiphy
.max_num_csa_counters
))
6387 params
.counter_offsets_beacon
=
6388 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6390 /* sanity checks - counters should fit and be the same */
6391 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6392 u16 offset
= params
.counter_offsets_beacon
[i
];
6394 if (offset
>= params
.beacon_csa
.tail_len
)
6397 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6401 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6402 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6403 if (!len
|| (len
% sizeof(u16
)))
6406 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6407 if (rdev
->wiphy
.max_num_csa_counters
&&
6408 (params
.n_counter_offsets_beacon
>
6409 rdev
->wiphy
.max_num_csa_counters
))
6412 params
.counter_offsets_presp
=
6413 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6415 /* sanity checks - counters should fit and be the same */
6416 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6417 u16 offset
= params
.counter_offsets_presp
[i
];
6419 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6422 if (params
.beacon_csa
.probe_resp
[offset
] !=
6429 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6433 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6437 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6444 params
.radar_required
= true;
6446 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6447 params
.block_tx
= true;
6450 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6456 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6458 struct cfg80211_registered_device
*rdev
,
6459 struct wireless_dev
*wdev
,
6460 struct cfg80211_internal_bss
*intbss
)
6462 struct cfg80211_bss
*res
= &intbss
->pub
;
6463 const struct cfg80211_bss_ies
*ies
;
6467 ASSERT_WDEV_LOCK(wdev
);
6469 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6470 NL80211_CMD_NEW_SCAN_RESULTS
);
6474 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6476 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6477 goto nla_put_failure
;
6479 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6480 goto nla_put_failure
;
6481 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6482 goto nla_put_failure
;
6484 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6486 goto nla_put_failure
;
6487 if ((!is_zero_ether_addr(res
->bssid
) &&
6488 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6489 goto nla_put_failure
;
6492 /* indicate whether we have probe response data or not */
6493 if (rcu_access_pointer(res
->proberesp_ies
) &&
6494 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6495 goto fail_unlock_rcu
;
6497 /* this pointer prefers to be pointed to probe response data
6498 * but is always valid
6500 ies
= rcu_dereference(res
->ies
);
6502 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6503 goto fail_unlock_rcu
;
6504 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6505 ies
->len
, ies
->data
))
6506 goto fail_unlock_rcu
;
6509 /* and this pointer is always (unless driver didn't know) beacon data */
6510 ies
= rcu_dereference(res
->beacon_ies
);
6511 if (ies
&& ies
->from_beacon
) {
6512 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6513 goto fail_unlock_rcu
;
6514 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6515 ies
->len
, ies
->data
))
6516 goto fail_unlock_rcu
;
6520 if (res
->beacon_interval
&&
6521 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6522 goto nla_put_failure
;
6523 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6524 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6525 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6526 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6527 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6528 goto nla_put_failure
;
6530 switch (rdev
->wiphy
.signal_type
) {
6531 case CFG80211_SIGNAL_TYPE_MBM
:
6532 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6533 goto nla_put_failure
;
6535 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6536 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6537 goto nla_put_failure
;
6543 switch (wdev
->iftype
) {
6544 case NL80211_IFTYPE_P2P_CLIENT
:
6545 case NL80211_IFTYPE_STATION
:
6546 if (intbss
== wdev
->current_bss
&&
6547 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6548 NL80211_BSS_STATUS_ASSOCIATED
))
6549 goto nla_put_failure
;
6551 case NL80211_IFTYPE_ADHOC
:
6552 if (intbss
== wdev
->current_bss
&&
6553 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6554 NL80211_BSS_STATUS_IBSS_JOINED
))
6555 goto nla_put_failure
;
6561 nla_nest_end(msg
, bss
);
6563 return genlmsg_end(msg
, hdr
);
6568 genlmsg_cancel(msg
, hdr
);
6572 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6574 struct cfg80211_registered_device
*rdev
;
6575 struct cfg80211_internal_bss
*scan
;
6576 struct wireless_dev
*wdev
;
6577 int start
= cb
->args
[2], idx
= 0;
6580 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6585 spin_lock_bh(&rdev
->bss_lock
);
6586 cfg80211_bss_expire(rdev
);
6588 cb
->seq
= rdev
->bss_generation
;
6590 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6593 if (nl80211_send_bss(skb
, cb
,
6594 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6595 rdev
, wdev
, scan
) < 0) {
6601 spin_unlock_bh(&rdev
->bss_lock
);
6605 nl80211_finish_wdev_dump(rdev
);
6610 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6611 int flags
, struct net_device
*dev
,
6612 struct survey_info
*survey
)
6615 struct nlattr
*infoattr
;
6617 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6618 NL80211_CMD_NEW_SURVEY_RESULTS
);
6622 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6623 goto nla_put_failure
;
6625 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6627 goto nla_put_failure
;
6629 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6630 survey
->channel
->center_freq
))
6631 goto nla_put_failure
;
6633 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6634 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6635 goto nla_put_failure
;
6636 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6637 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6638 goto nla_put_failure
;
6639 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6640 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6641 survey
->channel_time
))
6642 goto nla_put_failure
;
6643 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6644 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6645 survey
->channel_time_busy
))
6646 goto nla_put_failure
;
6647 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6648 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6649 survey
->channel_time_ext_busy
))
6650 goto nla_put_failure
;
6651 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6652 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6653 survey
->channel_time_rx
))
6654 goto nla_put_failure
;
6655 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6656 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6657 survey
->channel_time_tx
))
6658 goto nla_put_failure
;
6660 nla_nest_end(msg
, infoattr
);
6662 return genlmsg_end(msg
, hdr
);
6665 genlmsg_cancel(msg
, hdr
);
6669 static int nl80211_dump_survey(struct sk_buff
*skb
,
6670 struct netlink_callback
*cb
)
6672 struct survey_info survey
;
6673 struct cfg80211_registered_device
*rdev
;
6674 struct wireless_dev
*wdev
;
6675 int survey_idx
= cb
->args
[2];
6678 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6682 if (!wdev
->netdev
) {
6687 if (!rdev
->ops
->dump_survey
) {
6693 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6699 /* Survey without a channel doesn't make sense */
6700 if (!survey
.channel
) {
6705 if (survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
6710 if (nl80211_send_survey(skb
,
6711 NETLINK_CB(cb
->skb
).portid
,
6712 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6713 wdev
->netdev
, &survey
) < 0)
6719 cb
->args
[2] = survey_idx
;
6722 nl80211_finish_wdev_dump(rdev
);
6726 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6728 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6729 NL80211_WPA_VERSION_2
));
6732 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6734 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6735 struct net_device
*dev
= info
->user_ptr
[1];
6736 struct ieee80211_channel
*chan
;
6737 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6738 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6739 enum nl80211_auth_type auth_type
;
6740 struct key_parse key
;
6741 bool local_state_change
;
6743 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6746 if (!info
->attrs
[NL80211_ATTR_MAC
])
6749 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6752 if (!info
->attrs
[NL80211_ATTR_SSID
])
6755 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6758 err
= nl80211_parse_key(info
, &key
);
6763 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6765 if (!key
.p
.key
|| !key
.p
.key_len
)
6767 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6768 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6769 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6770 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6782 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6783 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6792 if (!rdev
->ops
->auth
)
6795 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6796 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6799 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6800 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6801 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6805 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6806 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6808 if (info
->attrs
[NL80211_ATTR_IE
]) {
6809 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6810 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6813 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6814 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6817 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6818 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6821 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6822 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6824 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6825 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6826 /* need to include at least Auth Transaction and Status Code */
6827 if (sae_data_len
< 4)
6831 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6834 * Since we no longer track auth state, ignore
6835 * requests to only change local state.
6837 if (local_state_change
)
6840 wdev_lock(dev
->ieee80211_ptr
);
6841 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6842 ssid
, ssid_len
, ie
, ie_len
,
6843 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6844 sae_data
, sae_data_len
);
6845 wdev_unlock(dev
->ieee80211_ptr
);
6849 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6850 struct genl_info
*info
,
6851 struct cfg80211_crypto_settings
*settings
,
6854 memset(settings
, 0, sizeof(*settings
));
6856 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6858 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6860 proto
= nla_get_u16(
6861 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6862 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6863 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6866 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6867 settings
->control_port_no_encrypt
= true;
6869 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6871 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6875 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6876 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6877 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6879 if (len
% sizeof(u32
))
6882 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6885 memcpy(settings
->ciphers_pairwise
, data
, len
);
6887 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6888 if (!cfg80211_supported_cipher_suite(
6890 settings
->ciphers_pairwise
[i
]))
6894 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6895 settings
->cipher_group
=
6896 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6897 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6898 settings
->cipher_group
))
6902 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6903 settings
->wpa_versions
=
6904 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6905 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6909 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6913 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6914 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6915 settings
->n_akm_suites
= len
/ sizeof(u32
);
6917 if (len
% sizeof(u32
))
6920 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6923 memcpy(settings
->akm_suites
, data
, len
);
6929 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6931 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6932 struct net_device
*dev
= info
->user_ptr
[1];
6933 struct ieee80211_channel
*chan
;
6934 struct cfg80211_assoc_request req
= {};
6935 const u8
*bssid
, *ssid
;
6936 int err
, ssid_len
= 0;
6938 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6941 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6942 !info
->attrs
[NL80211_ATTR_SSID
] ||
6943 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6946 if (!rdev
->ops
->assoc
)
6949 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6950 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6953 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6955 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6956 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6960 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6961 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6963 if (info
->attrs
[NL80211_ATTR_IE
]) {
6964 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6965 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6968 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6969 enum nl80211_mfp mfp
=
6970 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6971 if (mfp
== NL80211_MFP_REQUIRED
)
6973 else if (mfp
!= NL80211_MFP_NO
)
6977 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6978 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6980 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6981 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6983 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6984 memcpy(&req
.ht_capa_mask
,
6985 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6986 sizeof(req
.ht_capa_mask
));
6988 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6989 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6991 memcpy(&req
.ht_capa
,
6992 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6993 sizeof(req
.ht_capa
));
6996 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6997 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6999 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7000 memcpy(&req
.vht_capa_mask
,
7001 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7002 sizeof(req
.vht_capa_mask
));
7004 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7005 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7007 memcpy(&req
.vht_capa
,
7008 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7009 sizeof(req
.vht_capa
));
7012 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7013 if (!(rdev
->wiphy
.features
&
7014 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7015 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7017 req
.flags
|= ASSOC_REQ_USE_RRM
;
7020 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
7022 wdev_lock(dev
->ieee80211_ptr
);
7023 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
7024 ssid
, ssid_len
, &req
);
7025 wdev_unlock(dev
->ieee80211_ptr
);
7031 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7033 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7034 struct net_device
*dev
= info
->user_ptr
[1];
7035 const u8
*ie
= NULL
, *bssid
;
7036 int ie_len
= 0, err
;
7038 bool local_state_change
;
7040 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7043 if (!info
->attrs
[NL80211_ATTR_MAC
])
7046 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7049 if (!rdev
->ops
->deauth
)
7052 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7053 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7056 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7058 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7059 if (reason_code
== 0) {
7060 /* Reason Code 0 is reserved */
7064 if (info
->attrs
[NL80211_ATTR_IE
]) {
7065 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7066 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7069 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7071 wdev_lock(dev
->ieee80211_ptr
);
7072 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7073 local_state_change
);
7074 wdev_unlock(dev
->ieee80211_ptr
);
7078 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7080 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7081 struct net_device
*dev
= info
->user_ptr
[1];
7082 const u8
*ie
= NULL
, *bssid
;
7083 int ie_len
= 0, err
;
7085 bool local_state_change
;
7087 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7090 if (!info
->attrs
[NL80211_ATTR_MAC
])
7093 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7096 if (!rdev
->ops
->disassoc
)
7099 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7100 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7103 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7105 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7106 if (reason_code
== 0) {
7107 /* Reason Code 0 is reserved */
7111 if (info
->attrs
[NL80211_ATTR_IE
]) {
7112 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7113 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7116 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7118 wdev_lock(dev
->ieee80211_ptr
);
7119 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7120 local_state_change
);
7121 wdev_unlock(dev
->ieee80211_ptr
);
7126 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7127 int mcast_rate
[IEEE80211_NUM_BANDS
],
7130 struct wiphy
*wiphy
= &rdev
->wiphy
;
7134 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
7135 struct ieee80211_supported_band
*sband
;
7137 sband
= wiphy
->bands
[band
];
7141 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7142 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7143 mcast_rate
[band
] = i
+ 1;
7153 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7155 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7156 struct net_device
*dev
= info
->user_ptr
[1];
7157 struct cfg80211_ibss_params ibss
;
7158 struct wiphy
*wiphy
;
7159 struct cfg80211_cached_keys
*connkeys
= NULL
;
7162 memset(&ibss
, 0, sizeof(ibss
));
7164 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7167 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7168 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7171 ibss
.beacon_interval
= 100;
7173 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7174 ibss
.beacon_interval
=
7175 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7176 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7180 if (!rdev
->ops
->join_ibss
)
7183 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7186 wiphy
= &rdev
->wiphy
;
7188 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7189 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7191 if (!is_valid_ether_addr(ibss
.bssid
))
7194 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7195 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7197 if (info
->attrs
[NL80211_ATTR_IE
]) {
7198 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7199 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7202 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7206 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7207 NL80211_IFTYPE_ADHOC
))
7210 switch (ibss
.chandef
.width
) {
7211 case NL80211_CHAN_WIDTH_5
:
7212 case NL80211_CHAN_WIDTH_10
:
7213 case NL80211_CHAN_WIDTH_20_NOHT
:
7215 case NL80211_CHAN_WIDTH_20
:
7216 case NL80211_CHAN_WIDTH_40
:
7217 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
7223 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7224 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7226 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7228 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7230 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7231 struct ieee80211_supported_band
*sband
=
7232 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7234 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7240 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7241 memcpy(&ibss
.ht_capa_mask
,
7242 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7243 sizeof(ibss
.ht_capa_mask
));
7245 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7246 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7248 memcpy(&ibss
.ht_capa
,
7249 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7250 sizeof(ibss
.ht_capa
));
7253 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7254 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7255 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7258 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7261 connkeys
= nl80211_parse_connkeys(rdev
,
7262 info
->attrs
[NL80211_ATTR_KEYS
],
7264 if (IS_ERR(connkeys
))
7265 return PTR_ERR(connkeys
);
7267 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7275 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7277 ibss
.userspace_handles_dfs
=
7278 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7280 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7286 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7288 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7289 struct net_device
*dev
= info
->user_ptr
[1];
7291 if (!rdev
->ops
->leave_ibss
)
7294 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7297 return cfg80211_leave_ibss(rdev
, dev
, false);
7300 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7302 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7303 struct net_device
*dev
= info
->user_ptr
[1];
7304 int mcast_rate
[IEEE80211_NUM_BANDS
];
7308 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7309 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
7312 if (!rdev
->ops
->set_mcast_rate
)
7315 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7317 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7320 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7321 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7324 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7329 static struct sk_buff
*
7330 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7331 int approxlen
, u32 portid
, u32 seq
,
7332 enum nl80211_commands cmd
,
7333 enum nl80211_attrs attr
,
7334 const struct nl80211_vendor_cmd_info
*info
,
7337 struct sk_buff
*skb
;
7339 struct nlattr
*data
;
7341 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7345 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7351 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7352 goto nla_put_failure
;
7355 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7357 goto nla_put_failure
;
7358 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7360 goto nla_put_failure
;
7363 data
= nla_nest_start(skb
, attr
);
7365 ((void **)skb
->cb
)[0] = rdev
;
7366 ((void **)skb
->cb
)[1] = hdr
;
7367 ((void **)skb
->cb
)[2] = data
;
7376 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7377 enum nl80211_commands cmd
,
7378 enum nl80211_attrs attr
,
7379 int vendor_event_idx
,
7380 int approxlen
, gfp_t gfp
)
7382 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7383 const struct nl80211_vendor_cmd_info
*info
;
7386 case NL80211_CMD_TESTMODE
:
7387 if (WARN_ON(vendor_event_idx
!= -1))
7391 case NL80211_CMD_VENDOR
:
7392 if (WARN_ON(vendor_event_idx
< 0 ||
7393 vendor_event_idx
>= wiphy
->n_vendor_events
))
7395 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7402 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7403 cmd
, attr
, info
, gfp
);
7405 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7407 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7409 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7410 void *hdr
= ((void **)skb
->cb
)[1];
7411 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7412 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7414 /* clear CB data for netlink core to own from now on */
7415 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7417 nla_nest_end(skb
, data
);
7418 genlmsg_end(skb
, hdr
);
7420 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7421 mcgrp
= NL80211_MCGRP_VENDOR
;
7423 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7426 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7428 #ifdef CONFIG_NL80211_TESTMODE
7429 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7431 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7432 struct wireless_dev
*wdev
=
7433 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7436 if (!rdev
->ops
->testmode_cmd
)
7440 err
= PTR_ERR(wdev
);
7444 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7448 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7451 rdev
->cur_cmd_info
= info
;
7452 err
= rdev_testmode_cmd(rdev
, wdev
,
7453 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7454 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7455 rdev
->cur_cmd_info
= NULL
;
7460 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7461 struct netlink_callback
*cb
)
7463 struct cfg80211_registered_device
*rdev
;
7473 * 0 is a valid index, but not valid for args[0],
7474 * so we need to offset by 1.
7476 phy_idx
= cb
->args
[0] - 1;
7478 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7479 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7484 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7485 nl80211_fam
.attrbuf
);
7487 err
= PTR_ERR(rdev
);
7490 phy_idx
= rdev
->wiphy_idx
;
7493 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7495 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7499 data
= nla_data((void *)cb
->args
[1]);
7500 data_len
= nla_len((void *)cb
->args
[1]);
7503 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7509 if (!rdev
->ops
->testmode_dump
) {
7515 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7516 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7517 NL80211_CMD_TESTMODE
);
7518 struct nlattr
*tmdata
;
7523 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7524 genlmsg_cancel(skb
, hdr
);
7528 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7530 genlmsg_cancel(skb
, hdr
);
7533 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7534 nla_nest_end(skb
, tmdata
);
7536 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7537 genlmsg_cancel(skb
, hdr
);
7540 genlmsg_cancel(skb
, hdr
);
7544 genlmsg_end(skb
, hdr
);
7549 cb
->args
[0] = phy_idx
+ 1;
7556 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7558 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7559 struct net_device
*dev
= info
->user_ptr
[1];
7560 struct cfg80211_connect_params connect
;
7561 struct wiphy
*wiphy
;
7562 struct cfg80211_cached_keys
*connkeys
= NULL
;
7565 memset(&connect
, 0, sizeof(connect
));
7567 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7570 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7571 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7574 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7576 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7577 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7578 NL80211_CMD_CONNECT
))
7581 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7583 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7585 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7586 NL80211_MAX_NR_CIPHER_SUITES
);
7590 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7591 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7594 wiphy
= &rdev
->wiphy
;
7596 connect
.bg_scan_period
= -1;
7597 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7598 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7599 connect
.bg_scan_period
=
7600 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7603 if (info
->attrs
[NL80211_ATTR_MAC
])
7604 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7605 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7606 connect
.bssid_hint
=
7607 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7608 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7609 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7611 if (info
->attrs
[NL80211_ATTR_IE
]) {
7612 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7613 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7616 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7617 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7618 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7619 connect
.mfp
!= NL80211_MFP_NO
)
7622 connect
.mfp
= NL80211_MFP_NO
;
7625 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7626 connect
.channel
= nl80211_get_valid_chan(
7627 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7628 if (!connect
.channel
)
7630 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7631 connect
.channel_hint
= nl80211_get_valid_chan(
7632 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7633 if (!connect
.channel_hint
)
7637 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7638 connkeys
= nl80211_parse_connkeys(rdev
,
7639 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7640 if (IS_ERR(connkeys
))
7641 return PTR_ERR(connkeys
);
7644 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7645 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7647 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7648 memcpy(&connect
.ht_capa_mask
,
7649 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7650 sizeof(connect
.ht_capa_mask
));
7652 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7653 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7657 memcpy(&connect
.ht_capa
,
7658 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7659 sizeof(connect
.ht_capa
));
7662 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7663 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7665 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7666 memcpy(&connect
.vht_capa_mask
,
7667 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7668 sizeof(connect
.vht_capa_mask
));
7670 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7671 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7675 memcpy(&connect
.vht_capa
,
7676 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7677 sizeof(connect
.vht_capa
));
7680 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7681 if (!(rdev
->wiphy
.features
&
7682 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7683 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7685 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7688 wdev_lock(dev
->ieee80211_ptr
);
7689 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7690 wdev_unlock(dev
->ieee80211_ptr
);
7696 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7698 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7699 struct net_device
*dev
= info
->user_ptr
[1];
7703 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7704 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7706 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7711 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7712 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7715 wdev_lock(dev
->ieee80211_ptr
);
7716 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7717 wdev_unlock(dev
->ieee80211_ptr
);
7721 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7723 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7728 if (!info
->attrs
[NL80211_ATTR_PID
])
7731 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7733 net
= get_net_ns_by_pid(pid
);
7735 return PTR_ERR(net
);
7739 /* check if anything to do */
7740 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7741 err
= cfg80211_switch_netns(rdev
, net
);
7747 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7749 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7750 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7751 struct cfg80211_pmksa
*pmksa
) = NULL
;
7752 struct net_device
*dev
= info
->user_ptr
[1];
7753 struct cfg80211_pmksa pmksa
;
7755 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7757 if (!info
->attrs
[NL80211_ATTR_MAC
])
7760 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7763 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7764 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7766 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7767 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7770 switch (info
->genlhdr
->cmd
) {
7771 case NL80211_CMD_SET_PMKSA
:
7772 rdev_ops
= rdev
->ops
->set_pmksa
;
7774 case NL80211_CMD_DEL_PMKSA
:
7775 rdev_ops
= rdev
->ops
->del_pmksa
;
7785 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7788 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7790 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7791 struct net_device
*dev
= info
->user_ptr
[1];
7793 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7794 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7797 if (!rdev
->ops
->flush_pmksa
)
7800 return rdev_flush_pmksa(rdev
, dev
);
7803 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7805 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7806 struct net_device
*dev
= info
->user_ptr
[1];
7807 u8 action_code
, dialog_token
;
7808 u32 peer_capability
= 0;
7813 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7814 !rdev
->ops
->tdls_mgmt
)
7817 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7818 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7819 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7820 !info
->attrs
[NL80211_ATTR_IE
] ||
7821 !info
->attrs
[NL80211_ATTR_MAC
])
7824 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7825 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7826 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7827 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7828 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7829 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7831 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7833 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7834 dialog_token
, status_code
, peer_capability
,
7836 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7837 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7840 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7842 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7843 struct net_device
*dev
= info
->user_ptr
[1];
7844 enum nl80211_tdls_operation operation
;
7847 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7848 !rdev
->ops
->tdls_oper
)
7851 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7852 !info
->attrs
[NL80211_ATTR_MAC
])
7855 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7856 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7858 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7861 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7862 struct genl_info
*info
)
7864 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7865 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7866 struct cfg80211_chan_def chandef
;
7867 struct sk_buff
*msg
;
7873 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7874 !info
->attrs
[NL80211_ATTR_DURATION
])
7877 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7879 if (!rdev
->ops
->remain_on_channel
||
7880 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7884 * We should be on that channel for at least a minimum amount of
7885 * time (10ms) but no longer than the driver supports.
7887 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7888 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7891 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7895 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7899 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7900 NL80211_CMD_REMAIN_ON_CHANNEL
);
7906 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7912 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7913 goto nla_put_failure
;
7915 genlmsg_end(msg
, hdr
);
7917 return genlmsg_reply(msg
, info
);
7926 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7927 struct genl_info
*info
)
7929 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7930 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7933 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7936 if (!rdev
->ops
->cancel_remain_on_channel
)
7939 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7941 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7944 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7945 u8
*rates
, u8 rates_len
)
7950 for (i
= 0; i
< rates_len
; i
++) {
7951 int rate
= (rates
[i
] & 0x7f) * 5;
7953 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7954 struct ieee80211_rate
*srate
=
7955 &sband
->bitrates
[ridx
];
7956 if (rate
== srate
->bitrate
) {
7961 if (ridx
== sband
->n_bitrates
)
7962 return 0; /* rate not found */
7968 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7969 u8
*rates
, u8 rates_len
,
7970 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7974 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7976 for (i
= 0; i
< rates_len
; i
++) {
7979 ridx
= rates
[i
] / 8;
7980 rbit
= BIT(rates
[i
] % 8);
7982 /* check validity */
7983 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7986 /* check availability */
7987 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7996 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
8000 switch (vht_mcs_map
) {
8001 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
8003 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
8006 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
8009 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
8019 static void vht_build_mcs_mask(u16 vht_mcs_map
,
8020 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
8024 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8025 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8030 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8031 struct nl80211_txrate_vht
*txrate
,
8032 u16 mcs
[NL80211_VHT_NSS_MAX
])
8034 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8035 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8038 if (!sband
->vht_cap
.vht_supported
)
8041 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8043 /* Build vht_mcs_mask from VHT capabilities */
8044 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8046 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8047 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8048 mcs
[i
] = txrate
->mcs
[i
];
8056 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8057 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8058 .len
= NL80211_MAX_SUPP_RATES
},
8059 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8060 .len
= NL80211_MAX_SUPP_HT_RATES
},
8061 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8062 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8065 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8066 struct genl_info
*info
)
8068 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8069 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8070 struct cfg80211_bitrate_mask mask
;
8072 struct net_device
*dev
= info
->user_ptr
[1];
8073 struct nlattr
*tx_rates
;
8074 struct ieee80211_supported_band
*sband
;
8077 if (!rdev
->ops
->set_bitrate_mask
)
8080 memset(&mask
, 0, sizeof(mask
));
8081 /* Default to all rates enabled */
8082 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
8083 sband
= rdev
->wiphy
.bands
[i
];
8088 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8089 memcpy(mask
.control
[i
].ht_mcs
,
8090 sband
->ht_cap
.mcs
.rx_mask
,
8091 sizeof(mask
.control
[i
].ht_mcs
));
8093 if (!sband
->vht_cap
.vht_supported
)
8096 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8097 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8100 /* if no rates are given set it back to the defaults */
8101 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8105 * The nested attribute uses enum nl80211_band as the index. This maps
8106 * directly to the enum ieee80211_band values used in cfg80211.
8108 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8109 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8110 enum ieee80211_band band
= nla_type(tx_rates
);
8113 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
8115 sband
= rdev
->wiphy
.bands
[band
];
8118 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8119 nla_len(tx_rates
), nl80211_txattr_policy
);
8122 if (tb
[NL80211_TXRATE_LEGACY
]) {
8123 mask
.control
[band
].legacy
= rateset_to_mask(
8125 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8126 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8127 if ((mask
.control
[band
].legacy
== 0) &&
8128 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8131 if (tb
[NL80211_TXRATE_HT
]) {
8132 if (!ht_rateset_to_mask(
8134 nla_data(tb
[NL80211_TXRATE_HT
]),
8135 nla_len(tb
[NL80211_TXRATE_HT
]),
8136 mask
.control
[band
].ht_mcs
))
8139 if (tb
[NL80211_TXRATE_VHT
]) {
8140 if (!vht_set_mcs_mask(
8142 nla_data(tb
[NL80211_TXRATE_VHT
]),
8143 mask
.control
[band
].vht_mcs
))
8146 if (tb
[NL80211_TXRATE_GI
]) {
8147 mask
.control
[band
].gi
=
8148 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8149 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8153 if (mask
.control
[band
].legacy
== 0) {
8154 /* don't allow empty legacy rates if HT or VHT
8155 * are not even supported.
8157 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8158 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8161 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8162 if (mask
.control
[band
].ht_mcs
[i
])
8165 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8166 if (mask
.control
[band
].vht_mcs
[i
])
8169 /* legacy and mcs rates may not be both empty */
8175 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8178 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8180 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8181 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8182 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8184 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8187 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8188 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8190 switch (wdev
->iftype
) {
8191 case NL80211_IFTYPE_STATION
:
8192 case NL80211_IFTYPE_ADHOC
:
8193 case NL80211_IFTYPE_P2P_CLIENT
:
8194 case NL80211_IFTYPE_AP
:
8195 case NL80211_IFTYPE_AP_VLAN
:
8196 case NL80211_IFTYPE_MESH_POINT
:
8197 case NL80211_IFTYPE_P2P_GO
:
8198 case NL80211_IFTYPE_P2P_DEVICE
:
8204 /* not much point in registering if we can't reply */
8205 if (!rdev
->ops
->mgmt_tx
)
8208 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8209 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8210 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8213 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8215 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8216 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8217 struct cfg80211_chan_def chandef
;
8221 struct sk_buff
*msg
= NULL
;
8222 struct cfg80211_mgmt_tx_params params
= {
8223 .dont_wait_for_ack
=
8224 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8227 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8230 if (!rdev
->ops
->mgmt_tx
)
8233 switch (wdev
->iftype
) {
8234 case NL80211_IFTYPE_P2P_DEVICE
:
8235 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8237 case NL80211_IFTYPE_STATION
:
8238 case NL80211_IFTYPE_ADHOC
:
8239 case NL80211_IFTYPE_P2P_CLIENT
:
8240 case NL80211_IFTYPE_AP
:
8241 case NL80211_IFTYPE_AP_VLAN
:
8242 case NL80211_IFTYPE_MESH_POINT
:
8243 case NL80211_IFTYPE_P2P_GO
:
8249 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8250 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8252 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8255 * We should wait on the channel for at least a minimum amount
8256 * of time (10ms) but no longer than the driver supports.
8258 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8259 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8264 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8266 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8269 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8271 /* get the channel if any has been specified, otherwise pass NULL to
8272 * the driver. The latter will use the current one
8274 chandef
.chan
= NULL
;
8275 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8276 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8281 if (!chandef
.chan
&& params
.offchan
)
8284 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8285 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8287 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8288 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8291 if (len
% sizeof(u16
))
8294 params
.n_csa_offsets
= len
/ sizeof(u16
);
8295 params
.csa_offsets
=
8296 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8298 /* check that all the offsets fit the frame */
8299 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8300 if (params
.csa_offsets
[i
] >= params
.len
)
8305 if (!params
.dont_wait_for_ack
) {
8306 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8310 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8318 params
.chan
= chandef
.chan
;
8319 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8324 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8325 goto nla_put_failure
;
8327 genlmsg_end(msg
, hdr
);
8328 return genlmsg_reply(msg
, info
);
8340 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8342 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8343 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8346 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8349 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8352 switch (wdev
->iftype
) {
8353 case NL80211_IFTYPE_STATION
:
8354 case NL80211_IFTYPE_ADHOC
:
8355 case NL80211_IFTYPE_P2P_CLIENT
:
8356 case NL80211_IFTYPE_AP
:
8357 case NL80211_IFTYPE_AP_VLAN
:
8358 case NL80211_IFTYPE_P2P_GO
:
8359 case NL80211_IFTYPE_P2P_DEVICE
:
8365 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8367 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8370 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8372 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8373 struct wireless_dev
*wdev
;
8374 struct net_device
*dev
= info
->user_ptr
[1];
8379 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8382 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8384 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8387 wdev
= dev
->ieee80211_ptr
;
8389 if (!rdev
->ops
->set_power_mgmt
)
8392 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8394 if (state
== wdev
->ps
)
8397 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8403 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8405 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8406 enum nl80211_ps_state ps_state
;
8407 struct wireless_dev
*wdev
;
8408 struct net_device
*dev
= info
->user_ptr
[1];
8409 struct sk_buff
*msg
;
8413 wdev
= dev
->ieee80211_ptr
;
8415 if (!rdev
->ops
->set_power_mgmt
)
8418 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8422 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8423 NL80211_CMD_GET_POWER_SAVE
);
8430 ps_state
= NL80211_PS_ENABLED
;
8432 ps_state
= NL80211_PS_DISABLED
;
8434 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8435 goto nla_put_failure
;
8437 genlmsg_end(msg
, hdr
);
8438 return genlmsg_reply(msg
, info
);
8447 static const struct nla_policy
8448 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8449 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8450 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8451 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8452 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8453 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8454 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8457 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8458 u32 rate
, u32 pkts
, u32 intvl
)
8460 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8461 struct net_device
*dev
= info
->user_ptr
[1];
8462 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8464 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8467 if (!rdev
->ops
->set_cqm_txe_config
)
8470 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8471 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8474 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8477 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8478 s32 threshold
, u32 hysteresis
)
8480 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8481 struct net_device
*dev
= info
->user_ptr
[1];
8482 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8487 /* disabling - hysteresis should also be zero then */
8491 if (!rdev
->ops
->set_cqm_rssi_config
)
8494 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8495 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8498 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8501 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8503 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8507 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8511 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8512 nl80211_attr_cqm_policy
);
8516 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8517 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8518 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8519 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8521 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8524 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8525 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8526 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8527 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8528 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8529 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8531 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8537 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8539 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8540 struct net_device
*dev
= info
->user_ptr
[1];
8541 struct ocb_setup setup
= {};
8544 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8548 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8551 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8553 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8554 struct net_device
*dev
= info
->user_ptr
[1];
8556 return cfg80211_leave_ocb(rdev
, dev
);
8559 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8561 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8562 struct net_device
*dev
= info
->user_ptr
[1];
8563 struct mesh_config cfg
;
8564 struct mesh_setup setup
;
8567 /* start with default */
8568 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8569 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8571 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8572 /* and parse parameters if given */
8573 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8578 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8579 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8582 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8583 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8585 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8586 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8587 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8590 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8591 setup
.beacon_interval
=
8592 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8593 if (setup
.beacon_interval
< 10 ||
8594 setup
.beacon_interval
> 10000)
8598 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8600 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8601 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8605 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8606 /* parse additional setup parameters if given */
8607 err
= nl80211_parse_mesh_setup(info
, &setup
);
8613 cfg
.auto_open_plinks
= false;
8615 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8616 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8620 /* cfg80211_join_mesh() will sort it out */
8621 setup
.chandef
.chan
= NULL
;
8624 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8625 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8627 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8628 struct ieee80211_supported_band
*sband
;
8630 if (!setup
.chandef
.chan
)
8633 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8635 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8636 &setup
.basic_rates
);
8641 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8644 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8646 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8647 struct net_device
*dev
= info
->user_ptr
[1];
8649 return cfg80211_leave_mesh(rdev
, dev
);
8653 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8654 struct cfg80211_registered_device
*rdev
)
8656 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8657 struct nlattr
*nl_pats
, *nl_pat
;
8660 if (!wowlan
->n_patterns
)
8663 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8667 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8668 nl_pat
= nla_nest_start(msg
, i
+ 1);
8671 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8672 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8673 wowlan
->patterns
[i
].mask
) ||
8674 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8675 wowlan
->patterns
[i
].pattern
) ||
8676 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8677 wowlan
->patterns
[i
].pkt_offset
))
8679 nla_nest_end(msg
, nl_pat
);
8681 nla_nest_end(msg
, nl_pats
);
8686 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8687 struct cfg80211_wowlan_tcp
*tcp
)
8689 struct nlattr
*nl_tcp
;
8694 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8698 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8699 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8700 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8701 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8702 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8703 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8704 tcp
->payload_len
, tcp
->payload
) ||
8705 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8706 tcp
->data_interval
) ||
8707 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8708 tcp
->wake_len
, tcp
->wake_data
) ||
8709 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8710 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8713 if (tcp
->payload_seq
.len
&&
8714 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8715 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8718 if (tcp
->payload_tok
.len
&&
8719 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8720 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8724 nla_nest_end(msg
, nl_tcp
);
8729 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8731 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8732 struct sk_buff
*msg
;
8734 u32 size
= NLMSG_DEFAULT_SIZE
;
8736 if (!rdev
->wiphy
.wowlan
)
8739 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8740 /* adjust size to have room for all the data */
8741 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8742 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8743 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8744 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8747 msg
= nlmsg_new(size
, GFP_KERNEL
);
8751 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8752 NL80211_CMD_GET_WOWLAN
);
8754 goto nla_put_failure
;
8756 if (rdev
->wiphy
.wowlan_config
) {
8757 struct nlattr
*nl_wowlan
;
8759 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8761 goto nla_put_failure
;
8763 if ((rdev
->wiphy
.wowlan_config
->any
&&
8764 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8765 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8766 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8767 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8768 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8769 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8770 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8771 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8772 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8773 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8774 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8775 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8776 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8777 goto nla_put_failure
;
8779 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8780 goto nla_put_failure
;
8782 if (nl80211_send_wowlan_tcp(msg
,
8783 rdev
->wiphy
.wowlan_config
->tcp
))
8784 goto nla_put_failure
;
8786 nla_nest_end(msg
, nl_wowlan
);
8789 genlmsg_end(msg
, hdr
);
8790 return genlmsg_reply(msg
, info
);
8797 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8798 struct nlattr
*attr
,
8799 struct cfg80211_wowlan
*trig
)
8801 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8802 struct cfg80211_wowlan_tcp
*cfg
;
8803 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8804 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8806 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8809 if (!rdev
->wiphy
.wowlan
->tcp
)
8812 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8813 nla_data(attr
), nla_len(attr
),
8814 nl80211_wowlan_tcp_policy
);
8818 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8819 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8820 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8821 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8822 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8823 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8824 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8825 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8828 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8829 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8832 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8833 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8834 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8837 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8838 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8841 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8842 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8845 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8846 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8848 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8849 tokens_size
= tokln
- sizeof(*tok
);
8851 if (!tok
->len
|| tokens_size
% tok
->len
)
8853 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8855 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8857 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8859 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8861 if (tok
->offset
+ tok
->len
> data_size
)
8865 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8866 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8867 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8869 if (seq
->len
== 0 || seq
->len
> 4)
8871 if (seq
->len
+ seq
->offset
> data_size
)
8875 size
= sizeof(*cfg
);
8877 size
+= wake_size
+ wake_mask_size
;
8878 size
+= tokens_size
;
8880 cfg
= kzalloc(size
, GFP_KERNEL
);
8883 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8884 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8885 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8887 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8888 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8892 /* allocate a socket and port for it and use it */
8893 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8894 IPPROTO_TCP
, &cfg
->sock
, 1);
8899 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8900 sock_release(cfg
->sock
);
8904 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8910 cfg
->src_port
= port
;
8913 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8914 cfg
->payload_len
= data_size
;
8915 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8916 memcpy((void *)cfg
->payload
,
8917 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8920 cfg
->payload_seq
= *seq
;
8921 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8922 cfg
->wake_len
= wake_size
;
8923 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8924 memcpy((void *)cfg
->wake_data
,
8925 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8927 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8928 data_size
+ wake_size
;
8929 memcpy((void *)cfg
->wake_mask
,
8930 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8933 cfg
->tokens_size
= tokens_size
;
8934 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8942 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
8943 const struct wiphy_wowlan_support
*wowlan
,
8944 struct nlattr
*attr
,
8945 struct cfg80211_wowlan
*trig
)
8950 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
8954 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
8959 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
8960 nla_data(attr
), nla_len(attr
),
8965 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
8966 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
8968 trig
->nd_config
= NULL
;
8975 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8977 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8978 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8979 struct cfg80211_wowlan new_triggers
= {};
8980 struct cfg80211_wowlan
*ntrig
;
8981 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8983 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8988 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8989 cfg80211_rdev_free_wowlan(rdev
);
8990 rdev
->wiphy
.wowlan_config
= NULL
;
8994 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8995 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8996 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8997 nl80211_wowlan_policy
);
9001 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
9002 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
9004 new_triggers
.any
= true;
9007 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
9008 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
9010 new_triggers
.disconnect
= true;
9013 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
9014 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
9016 new_triggers
.magic_pkt
= true;
9019 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
9022 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
9023 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9025 new_triggers
.gtk_rekey_failure
= true;
9028 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9029 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9031 new_triggers
.eap_identity_req
= true;
9034 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9035 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9037 new_triggers
.four_way_handshake
= true;
9040 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9041 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9043 new_triggers
.rfkill_release
= true;
9046 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9049 int rem
, pat_len
, mask_len
, pkt_offset
;
9050 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9052 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9055 if (n_patterns
> wowlan
->n_patterns
)
9058 new_triggers
.patterns
= kcalloc(n_patterns
,
9059 sizeof(new_triggers
.patterns
[0]),
9061 if (!new_triggers
.patterns
)
9064 new_triggers
.n_patterns
= n_patterns
;
9067 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9071 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9072 nla_len(pat
), NULL
);
9074 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9075 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9077 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9078 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9079 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9081 if (pat_len
> wowlan
->pattern_max_len
||
9082 pat_len
< wowlan
->pattern_min_len
)
9085 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9088 pkt_offset
= nla_get_u32(
9089 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9090 if (pkt_offset
> wowlan
->max_pkt_offset
)
9092 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9094 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9099 new_triggers
.patterns
[i
].mask
= mask_pat
;
9100 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9102 mask_pat
+= mask_len
;
9103 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9104 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9106 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9112 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9113 err
= nl80211_parse_wowlan_tcp(
9114 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9120 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9121 err
= nl80211_parse_wowlan_nd(
9122 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9128 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9133 cfg80211_rdev_free_wowlan(rdev
);
9134 rdev
->wiphy
.wowlan_config
= ntrig
;
9137 if (rdev
->ops
->set_wakeup
&&
9138 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9139 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9143 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9144 kfree(new_triggers
.patterns
[i
].mask
);
9145 kfree(new_triggers
.patterns
);
9146 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9147 sock_release(new_triggers
.tcp
->sock
);
9148 kfree(new_triggers
.tcp
);
9153 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9154 struct cfg80211_registered_device
*rdev
)
9156 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9158 struct cfg80211_coalesce_rules
*rule
;
9160 if (!rdev
->coalesce
->n_rules
)
9163 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9167 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9168 nl_rule
= nla_nest_start(msg
, i
+ 1);
9172 rule
= &rdev
->coalesce
->rules
[i
];
9173 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9177 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9181 nl_pats
= nla_nest_start(msg
,
9182 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9186 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9187 nl_pat
= nla_nest_start(msg
, j
+ 1);
9190 pat_len
= rule
->patterns
[j
].pattern_len
;
9191 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9192 DIV_ROUND_UP(pat_len
, 8),
9193 rule
->patterns
[j
].mask
) ||
9194 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9195 rule
->patterns
[j
].pattern
) ||
9196 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9197 rule
->patterns
[j
].pkt_offset
))
9199 nla_nest_end(msg
, nl_pat
);
9201 nla_nest_end(msg
, nl_pats
);
9202 nla_nest_end(msg
, nl_rule
);
9204 nla_nest_end(msg
, nl_rules
);
9209 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9211 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9212 struct sk_buff
*msg
;
9215 if (!rdev
->wiphy
.coalesce
)
9218 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9222 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9223 NL80211_CMD_GET_COALESCE
);
9225 goto nla_put_failure
;
9227 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9228 goto nla_put_failure
;
9230 genlmsg_end(msg
, hdr
);
9231 return genlmsg_reply(msg
, info
);
9238 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9240 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9242 struct cfg80211_coalesce_rules
*rule
;
9247 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9248 rule
= &coalesce
->rules
[i
];
9249 for (j
= 0; j
< rule
->n_patterns
; j
++)
9250 kfree(rule
->patterns
[j
].mask
);
9251 kfree(rule
->patterns
);
9253 kfree(coalesce
->rules
);
9255 rdev
->coalesce
= NULL
;
9258 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9259 struct nlattr
*rule
,
9260 struct cfg80211_coalesce_rules
*new_rule
)
9263 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9264 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9265 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9266 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9268 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9269 nla_len(rule
), nl80211_coalesce_policy
);
9273 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9275 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9276 if (new_rule
->delay
> coalesce
->max_delay
)
9279 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9280 new_rule
->condition
=
9281 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9282 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9283 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9286 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9289 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9292 if (n_patterns
> coalesce
->n_patterns
)
9295 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9297 if (!new_rule
->patterns
)
9300 new_rule
->n_patterns
= n_patterns
;
9303 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9307 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9308 nla_len(pat
), NULL
);
9309 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9310 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9312 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9313 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9314 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9316 if (pat_len
> coalesce
->pattern_max_len
||
9317 pat_len
< coalesce
->pattern_min_len
)
9320 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9323 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9324 if (pkt_offset
> coalesce
->max_pkt_offset
)
9326 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9328 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9332 new_rule
->patterns
[i
].mask
= mask_pat
;
9333 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9336 mask_pat
+= mask_len
;
9337 new_rule
->patterns
[i
].pattern
= mask_pat
;
9338 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9339 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9347 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9349 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9350 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9351 struct cfg80211_coalesce new_coalesce
= {};
9352 struct cfg80211_coalesce
*n_coalesce
;
9353 int err
, rem_rule
, n_rules
= 0, i
, j
;
9354 struct nlattr
*rule
;
9355 struct cfg80211_coalesce_rules
*tmp_rule
;
9357 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9360 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9361 cfg80211_rdev_free_coalesce(rdev
);
9362 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9366 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9369 if (n_rules
> coalesce
->n_rules
)
9372 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9374 if (!new_coalesce
.rules
)
9377 new_coalesce
.n_rules
= n_rules
;
9380 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9382 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9383 &new_coalesce
.rules
[i
]);
9390 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9394 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9399 cfg80211_rdev_free_coalesce(rdev
);
9400 rdev
->coalesce
= n_coalesce
;
9404 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9405 tmp_rule
= &new_coalesce
.rules
[i
];
9406 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9407 kfree(tmp_rule
->patterns
[j
].mask
);
9408 kfree(tmp_rule
->patterns
);
9410 kfree(new_coalesce
.rules
);
9415 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9417 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9418 struct net_device
*dev
= info
->user_ptr
[1];
9419 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9420 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9421 struct cfg80211_gtk_rekey_data rekey_data
;
9424 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9427 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9428 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9429 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9430 nl80211_rekey_policy
);
9434 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9436 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9438 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9441 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9442 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9443 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9446 if (!wdev
->current_bss
) {
9451 if (!rdev
->ops
->set_rekey_data
) {
9456 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9462 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9463 struct genl_info
*info
)
9465 struct net_device
*dev
= info
->user_ptr
[1];
9466 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9468 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9469 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9472 if (wdev
->ap_unexpected_nlportid
)
9475 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9479 static int nl80211_probe_client(struct sk_buff
*skb
,
9480 struct genl_info
*info
)
9482 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9483 struct net_device
*dev
= info
->user_ptr
[1];
9484 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9485 struct sk_buff
*msg
;
9491 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9492 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9495 if (!info
->attrs
[NL80211_ATTR_MAC
])
9498 if (!rdev
->ops
->probe_client
)
9501 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9505 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9506 NL80211_CMD_PROBE_CLIENT
);
9512 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9514 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9518 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9519 goto nla_put_failure
;
9521 genlmsg_end(msg
, hdr
);
9523 return genlmsg_reply(msg
, info
);
9532 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9534 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9535 struct cfg80211_beacon_registration
*reg
, *nreg
;
9538 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9541 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9545 /* First, check if already registered. */
9546 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9547 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9548 if (reg
->nlportid
== info
->snd_portid
) {
9553 /* Add it to the list */
9554 nreg
->nlportid
= info
->snd_portid
;
9555 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9557 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9561 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9566 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9568 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9569 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9572 if (!rdev
->ops
->start_p2p_device
)
9575 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9578 if (wdev
->p2p_started
)
9581 if (rfkill_blocked(rdev
->rfkill
))
9584 err
= rdev_start_p2p_device(rdev
, wdev
);
9588 wdev
->p2p_started
= true;
9594 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9596 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9597 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9599 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9602 if (!rdev
->ops
->stop_p2p_device
)
9605 cfg80211_stop_p2p_device(rdev
, wdev
);
9610 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9611 struct genl_info
*info
)
9614 struct sk_buff
*msg
;
9616 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9620 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9621 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9623 goto nla_put_failure
;
9625 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9626 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9627 goto nla_put_failure
;
9629 genlmsg_end(msg
, hdr
);
9630 return genlmsg_reply(msg
, info
);
9637 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9639 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9640 struct cfg80211_update_ft_ies_params ft_params
;
9641 struct net_device
*dev
= info
->user_ptr
[1];
9643 if (!rdev
->ops
->update_ft_ies
)
9646 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9647 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9650 memset(&ft_params
, 0, sizeof(ft_params
));
9651 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9652 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9653 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9655 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9658 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9659 struct genl_info
*info
)
9661 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9662 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9663 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9667 if (!rdev
->ops
->crit_proto_start
)
9670 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9673 if (rdev
->crit_proto_nlportid
)
9676 /* determine protocol if provided */
9677 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9678 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9680 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9683 /* timeout must be provided */
9684 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9688 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9690 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9693 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9695 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9700 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9701 struct genl_info
*info
)
9703 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9704 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9706 if (!rdev
->ops
->crit_proto_stop
)
9709 if (rdev
->crit_proto_nlportid
) {
9710 rdev
->crit_proto_nlportid
= 0;
9711 rdev_crit_proto_stop(rdev
, wdev
);
9716 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9718 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9719 struct wireless_dev
*wdev
=
9720 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9724 if (!rdev
->wiphy
.vendor_commands
)
9728 err
= PTR_ERR(wdev
);
9732 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9736 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9737 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9740 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9741 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9742 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9743 const struct wiphy_vendor_command
*vcmd
;
9747 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9749 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9752 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9753 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9756 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9760 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9762 !netif_running(wdev
->netdev
))
9764 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9771 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9772 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9773 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9776 rdev
->cur_cmd_info
= info
;
9777 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9779 rdev
->cur_cmd_info
= NULL
;
9786 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9787 enum nl80211_commands cmd
,
9788 enum nl80211_attrs attr
,
9791 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9793 if (WARN_ON(!rdev
->cur_cmd_info
))
9796 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9797 rdev
->cur_cmd_info
->snd_portid
,
9798 rdev
->cur_cmd_info
->snd_seq
,
9799 cmd
, attr
, NULL
, GFP_KERNEL
);
9801 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9803 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9805 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9806 void *hdr
= ((void **)skb
->cb
)[1];
9807 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9809 /* clear CB data for netlink core to own from now on */
9810 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9812 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9817 nla_nest_end(skb
, data
);
9818 genlmsg_end(skb
, hdr
);
9819 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9821 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9824 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9825 struct genl_info
*info
)
9827 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9828 struct cfg80211_qos_map
*qos_map
= NULL
;
9829 struct net_device
*dev
= info
->user_ptr
[1];
9830 u8
*pos
, len
, num_des
, des_len
, des
;
9833 if (!rdev
->ops
->set_qos_map
)
9836 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9837 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9838 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9840 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9841 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9844 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9848 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9851 sizeof(struct cfg80211_dscp_exception
);
9852 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9853 qos_map
->num_des
= num_des
;
9854 for (des
= 0; des
< num_des
; des
++) {
9855 if (qos_map
->dscp_exception
[des
].up
> 7) {
9862 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9865 wdev_lock(dev
->ieee80211_ptr
);
9866 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9868 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9869 wdev_unlock(dev
->ieee80211_ptr
);
9875 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9877 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9878 struct net_device
*dev
= info
->user_ptr
[1];
9879 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9882 u16 admitted_time
= 0;
9885 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
9888 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
9889 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
9892 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9893 if (tsid
>= IEEE80211_NUM_TIDS
)
9896 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
9897 if (up
>= IEEE80211_NUM_UPS
)
9900 /* WMM uses TIDs 0-7 even for TSPEC */
9901 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
9902 /* TODO: handle 802.11 TSPEC/admission control
9903 * need more attributes for that (e.g. BA session requirement);
9904 * change the WMM adminssion test above to allow both then
9909 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9911 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
9913 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
9919 switch (wdev
->iftype
) {
9920 case NL80211_IFTYPE_STATION
:
9921 case NL80211_IFTYPE_P2P_CLIENT
:
9922 if (wdev
->current_bss
)
9931 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
9938 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9940 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9941 struct net_device
*dev
= info
->user_ptr
[1];
9942 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9947 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
9950 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9951 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9954 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
9960 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
9961 struct genl_info
*info
)
9963 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9964 struct net_device
*dev
= info
->user_ptr
[1];
9965 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9966 struct cfg80211_chan_def chandef
= {};
9971 if (!rdev
->ops
->tdls_channel_switch
||
9972 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9975 switch (dev
->ieee80211_ptr
->iftype
) {
9976 case NL80211_IFTYPE_STATION
:
9977 case NL80211_IFTYPE_P2P_CLIENT
:
9983 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
9984 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
9987 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9992 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
9993 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
9994 * specification is not defined for them.
9996 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
9997 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
9998 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
10001 /* we will be active on the TDLS link */
10002 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, wdev
->iftype
))
10005 /* don't allow switching to DFS channels */
10006 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
10009 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10010 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
10013 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
10019 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
10020 struct genl_info
*info
)
10022 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10023 struct net_device
*dev
= info
->user_ptr
[1];
10024 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10027 if (!rdev
->ops
->tdls_channel_switch
||
10028 !rdev
->ops
->tdls_cancel_channel_switch
||
10029 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10030 return -EOPNOTSUPP
;
10032 switch (dev
->ieee80211_ptr
->iftype
) {
10033 case NL80211_IFTYPE_STATION
:
10034 case NL80211_IFTYPE_P2P_CLIENT
:
10037 return -EOPNOTSUPP
;
10040 if (!info
->attrs
[NL80211_ATTR_MAC
])
10043 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10046 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10052 #define NL80211_FLAG_NEED_WIPHY 0x01
10053 #define NL80211_FLAG_NEED_NETDEV 0x02
10054 #define NL80211_FLAG_NEED_RTNL 0x04
10055 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10056 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10057 NL80211_FLAG_CHECK_NETDEV_UP)
10058 #define NL80211_FLAG_NEED_WDEV 0x10
10059 /* If a netdev is associated, it must be UP, P2P must be started */
10060 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10061 NL80211_FLAG_CHECK_NETDEV_UP)
10062 #define NL80211_FLAG_CLEAR_SKB 0x20
10064 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10065 struct genl_info
*info
)
10067 struct cfg80211_registered_device
*rdev
;
10068 struct wireless_dev
*wdev
;
10069 struct net_device
*dev
;
10070 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
10075 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
10076 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
10077 if (IS_ERR(rdev
)) {
10080 return PTR_ERR(rdev
);
10082 info
->user_ptr
[0] = rdev
;
10083 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
10084 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10087 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
10089 if (IS_ERR(wdev
)) {
10092 return PTR_ERR(wdev
);
10095 dev
= wdev
->netdev
;
10096 rdev
= wiphy_to_rdev(wdev
->wiphy
);
10098 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
10105 info
->user_ptr
[1] = dev
;
10107 info
->user_ptr
[1] = wdev
;
10111 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
10112 !netif_running(dev
)) {
10119 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
10120 if (!wdev
->p2p_started
) {
10127 info
->user_ptr
[0] = rdev
;
10133 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10134 struct genl_info
*info
)
10136 if (info
->user_ptr
[1]) {
10137 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10138 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10141 dev_put(wdev
->netdev
);
10143 dev_put(info
->user_ptr
[1]);
10147 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10150 /* If needed, clear the netlink message payload from the SKB
10151 * as it might contain key data that shouldn't stick around on
10152 * the heap after the SKB is freed. The netlink message header
10153 * is still needed for further processing, so leave it intact.
10155 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10156 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10158 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10162 static const struct genl_ops nl80211_ops
[] = {
10164 .cmd
= NL80211_CMD_GET_WIPHY
,
10165 .doit
= nl80211_get_wiphy
,
10166 .dumpit
= nl80211_dump_wiphy
,
10167 .done
= nl80211_dump_wiphy_done
,
10168 .policy
= nl80211_policy
,
10169 /* can be retrieved by unprivileged users */
10170 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10171 NL80211_FLAG_NEED_RTNL
,
10174 .cmd
= NL80211_CMD_SET_WIPHY
,
10175 .doit
= nl80211_set_wiphy
,
10176 .policy
= nl80211_policy
,
10177 .flags
= GENL_ADMIN_PERM
,
10178 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10181 .cmd
= NL80211_CMD_GET_INTERFACE
,
10182 .doit
= nl80211_get_interface
,
10183 .dumpit
= nl80211_dump_interface
,
10184 .policy
= nl80211_policy
,
10185 /* can be retrieved by unprivileged users */
10186 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10187 NL80211_FLAG_NEED_RTNL
,
10190 .cmd
= NL80211_CMD_SET_INTERFACE
,
10191 .doit
= nl80211_set_interface
,
10192 .policy
= nl80211_policy
,
10193 .flags
= GENL_ADMIN_PERM
,
10194 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10195 NL80211_FLAG_NEED_RTNL
,
10198 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10199 .doit
= nl80211_new_interface
,
10200 .policy
= nl80211_policy
,
10201 .flags
= GENL_ADMIN_PERM
,
10202 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10203 NL80211_FLAG_NEED_RTNL
,
10206 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10207 .doit
= nl80211_del_interface
,
10208 .policy
= nl80211_policy
,
10209 .flags
= GENL_ADMIN_PERM
,
10210 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10211 NL80211_FLAG_NEED_RTNL
,
10214 .cmd
= NL80211_CMD_GET_KEY
,
10215 .doit
= nl80211_get_key
,
10216 .policy
= nl80211_policy
,
10217 .flags
= GENL_ADMIN_PERM
,
10218 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10219 NL80211_FLAG_NEED_RTNL
,
10222 .cmd
= NL80211_CMD_SET_KEY
,
10223 .doit
= nl80211_set_key
,
10224 .policy
= nl80211_policy
,
10225 .flags
= GENL_ADMIN_PERM
,
10226 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10227 NL80211_FLAG_NEED_RTNL
|
10228 NL80211_FLAG_CLEAR_SKB
,
10231 .cmd
= NL80211_CMD_NEW_KEY
,
10232 .doit
= nl80211_new_key
,
10233 .policy
= nl80211_policy
,
10234 .flags
= GENL_ADMIN_PERM
,
10235 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10236 NL80211_FLAG_NEED_RTNL
|
10237 NL80211_FLAG_CLEAR_SKB
,
10240 .cmd
= NL80211_CMD_DEL_KEY
,
10241 .doit
= nl80211_del_key
,
10242 .policy
= nl80211_policy
,
10243 .flags
= GENL_ADMIN_PERM
,
10244 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10245 NL80211_FLAG_NEED_RTNL
,
10248 .cmd
= NL80211_CMD_SET_BEACON
,
10249 .policy
= nl80211_policy
,
10250 .flags
= GENL_ADMIN_PERM
,
10251 .doit
= nl80211_set_beacon
,
10252 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10253 NL80211_FLAG_NEED_RTNL
,
10256 .cmd
= NL80211_CMD_START_AP
,
10257 .policy
= nl80211_policy
,
10258 .flags
= GENL_ADMIN_PERM
,
10259 .doit
= nl80211_start_ap
,
10260 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10261 NL80211_FLAG_NEED_RTNL
,
10264 .cmd
= NL80211_CMD_STOP_AP
,
10265 .policy
= nl80211_policy
,
10266 .flags
= GENL_ADMIN_PERM
,
10267 .doit
= nl80211_stop_ap
,
10268 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10269 NL80211_FLAG_NEED_RTNL
,
10272 .cmd
= NL80211_CMD_GET_STATION
,
10273 .doit
= nl80211_get_station
,
10274 .dumpit
= nl80211_dump_station
,
10275 .policy
= nl80211_policy
,
10276 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10277 NL80211_FLAG_NEED_RTNL
,
10280 .cmd
= NL80211_CMD_SET_STATION
,
10281 .doit
= nl80211_set_station
,
10282 .policy
= nl80211_policy
,
10283 .flags
= GENL_ADMIN_PERM
,
10284 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10285 NL80211_FLAG_NEED_RTNL
,
10288 .cmd
= NL80211_CMD_NEW_STATION
,
10289 .doit
= nl80211_new_station
,
10290 .policy
= nl80211_policy
,
10291 .flags
= GENL_ADMIN_PERM
,
10292 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10293 NL80211_FLAG_NEED_RTNL
,
10296 .cmd
= NL80211_CMD_DEL_STATION
,
10297 .doit
= nl80211_del_station
,
10298 .policy
= nl80211_policy
,
10299 .flags
= GENL_ADMIN_PERM
,
10300 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10301 NL80211_FLAG_NEED_RTNL
,
10304 .cmd
= NL80211_CMD_GET_MPATH
,
10305 .doit
= nl80211_get_mpath
,
10306 .dumpit
= nl80211_dump_mpath
,
10307 .policy
= nl80211_policy
,
10308 .flags
= GENL_ADMIN_PERM
,
10309 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10310 NL80211_FLAG_NEED_RTNL
,
10313 .cmd
= NL80211_CMD_GET_MPP
,
10314 .doit
= nl80211_get_mpp
,
10315 .dumpit
= nl80211_dump_mpp
,
10316 .policy
= nl80211_policy
,
10317 .flags
= GENL_ADMIN_PERM
,
10318 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10319 NL80211_FLAG_NEED_RTNL
,
10322 .cmd
= NL80211_CMD_SET_MPATH
,
10323 .doit
= nl80211_set_mpath
,
10324 .policy
= nl80211_policy
,
10325 .flags
= GENL_ADMIN_PERM
,
10326 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10327 NL80211_FLAG_NEED_RTNL
,
10330 .cmd
= NL80211_CMD_NEW_MPATH
,
10331 .doit
= nl80211_new_mpath
,
10332 .policy
= nl80211_policy
,
10333 .flags
= GENL_ADMIN_PERM
,
10334 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10335 NL80211_FLAG_NEED_RTNL
,
10338 .cmd
= NL80211_CMD_DEL_MPATH
,
10339 .doit
= nl80211_del_mpath
,
10340 .policy
= nl80211_policy
,
10341 .flags
= GENL_ADMIN_PERM
,
10342 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10343 NL80211_FLAG_NEED_RTNL
,
10346 .cmd
= NL80211_CMD_SET_BSS
,
10347 .doit
= nl80211_set_bss
,
10348 .policy
= nl80211_policy
,
10349 .flags
= GENL_ADMIN_PERM
,
10350 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10351 NL80211_FLAG_NEED_RTNL
,
10354 .cmd
= NL80211_CMD_GET_REG
,
10355 .doit
= nl80211_get_reg_do
,
10356 .dumpit
= nl80211_get_reg_dump
,
10357 .policy
= nl80211_policy
,
10358 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10359 /* can be retrieved by unprivileged users */
10362 .cmd
= NL80211_CMD_SET_REG
,
10363 .doit
= nl80211_set_reg
,
10364 .policy
= nl80211_policy
,
10365 .flags
= GENL_ADMIN_PERM
,
10366 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10369 .cmd
= NL80211_CMD_REQ_SET_REG
,
10370 .doit
= nl80211_req_set_reg
,
10371 .policy
= nl80211_policy
,
10372 .flags
= GENL_ADMIN_PERM
,
10375 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10376 .doit
= nl80211_get_mesh_config
,
10377 .policy
= nl80211_policy
,
10378 /* can be retrieved by unprivileged users */
10379 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10380 NL80211_FLAG_NEED_RTNL
,
10383 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10384 .doit
= nl80211_update_mesh_config
,
10385 .policy
= nl80211_policy
,
10386 .flags
= GENL_ADMIN_PERM
,
10387 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10388 NL80211_FLAG_NEED_RTNL
,
10391 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
10392 .doit
= nl80211_trigger_scan
,
10393 .policy
= nl80211_policy
,
10394 .flags
= GENL_ADMIN_PERM
,
10395 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10396 NL80211_FLAG_NEED_RTNL
,
10399 .cmd
= NL80211_CMD_GET_SCAN
,
10400 .policy
= nl80211_policy
,
10401 .dumpit
= nl80211_dump_scan
,
10404 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10405 .doit
= nl80211_start_sched_scan
,
10406 .policy
= nl80211_policy
,
10407 .flags
= GENL_ADMIN_PERM
,
10408 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10409 NL80211_FLAG_NEED_RTNL
,
10412 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
10413 .doit
= nl80211_stop_sched_scan
,
10414 .policy
= nl80211_policy
,
10415 .flags
= GENL_ADMIN_PERM
,
10416 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10417 NL80211_FLAG_NEED_RTNL
,
10420 .cmd
= NL80211_CMD_AUTHENTICATE
,
10421 .doit
= nl80211_authenticate
,
10422 .policy
= nl80211_policy
,
10423 .flags
= GENL_ADMIN_PERM
,
10424 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10425 NL80211_FLAG_NEED_RTNL
|
10426 NL80211_FLAG_CLEAR_SKB
,
10429 .cmd
= NL80211_CMD_ASSOCIATE
,
10430 .doit
= nl80211_associate
,
10431 .policy
= nl80211_policy
,
10432 .flags
= GENL_ADMIN_PERM
,
10433 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10434 NL80211_FLAG_NEED_RTNL
,
10437 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10438 .doit
= nl80211_deauthenticate
,
10439 .policy
= nl80211_policy
,
10440 .flags
= GENL_ADMIN_PERM
,
10441 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10442 NL80211_FLAG_NEED_RTNL
,
10445 .cmd
= NL80211_CMD_DISASSOCIATE
,
10446 .doit
= nl80211_disassociate
,
10447 .policy
= nl80211_policy
,
10448 .flags
= GENL_ADMIN_PERM
,
10449 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10450 NL80211_FLAG_NEED_RTNL
,
10453 .cmd
= NL80211_CMD_JOIN_IBSS
,
10454 .doit
= nl80211_join_ibss
,
10455 .policy
= nl80211_policy
,
10456 .flags
= GENL_ADMIN_PERM
,
10457 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10458 NL80211_FLAG_NEED_RTNL
,
10461 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10462 .doit
= nl80211_leave_ibss
,
10463 .policy
= nl80211_policy
,
10464 .flags
= GENL_ADMIN_PERM
,
10465 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10466 NL80211_FLAG_NEED_RTNL
,
10468 #ifdef CONFIG_NL80211_TESTMODE
10470 .cmd
= NL80211_CMD_TESTMODE
,
10471 .doit
= nl80211_testmode_do
,
10472 .dumpit
= nl80211_testmode_dump
,
10473 .policy
= nl80211_policy
,
10474 .flags
= GENL_ADMIN_PERM
,
10475 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10476 NL80211_FLAG_NEED_RTNL
,
10480 .cmd
= NL80211_CMD_CONNECT
,
10481 .doit
= nl80211_connect
,
10482 .policy
= nl80211_policy
,
10483 .flags
= GENL_ADMIN_PERM
,
10484 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10485 NL80211_FLAG_NEED_RTNL
,
10488 .cmd
= NL80211_CMD_DISCONNECT
,
10489 .doit
= nl80211_disconnect
,
10490 .policy
= nl80211_policy
,
10491 .flags
= GENL_ADMIN_PERM
,
10492 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10493 NL80211_FLAG_NEED_RTNL
,
10496 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10497 .doit
= nl80211_wiphy_netns
,
10498 .policy
= nl80211_policy
,
10499 .flags
= GENL_ADMIN_PERM
,
10500 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10501 NL80211_FLAG_NEED_RTNL
,
10504 .cmd
= NL80211_CMD_GET_SURVEY
,
10505 .policy
= nl80211_policy
,
10506 .dumpit
= nl80211_dump_survey
,
10509 .cmd
= NL80211_CMD_SET_PMKSA
,
10510 .doit
= nl80211_setdel_pmksa
,
10511 .policy
= nl80211_policy
,
10512 .flags
= GENL_ADMIN_PERM
,
10513 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10514 NL80211_FLAG_NEED_RTNL
,
10517 .cmd
= NL80211_CMD_DEL_PMKSA
,
10518 .doit
= nl80211_setdel_pmksa
,
10519 .policy
= nl80211_policy
,
10520 .flags
= GENL_ADMIN_PERM
,
10521 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10522 NL80211_FLAG_NEED_RTNL
,
10525 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10526 .doit
= nl80211_flush_pmksa
,
10527 .policy
= nl80211_policy
,
10528 .flags
= GENL_ADMIN_PERM
,
10529 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10530 NL80211_FLAG_NEED_RTNL
,
10533 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10534 .doit
= nl80211_remain_on_channel
,
10535 .policy
= nl80211_policy
,
10536 .flags
= GENL_ADMIN_PERM
,
10537 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10538 NL80211_FLAG_NEED_RTNL
,
10541 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10542 .doit
= nl80211_cancel_remain_on_channel
,
10543 .policy
= nl80211_policy
,
10544 .flags
= GENL_ADMIN_PERM
,
10545 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10546 NL80211_FLAG_NEED_RTNL
,
10549 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10550 .doit
= nl80211_set_tx_bitrate_mask
,
10551 .policy
= nl80211_policy
,
10552 .flags
= GENL_ADMIN_PERM
,
10553 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10554 NL80211_FLAG_NEED_RTNL
,
10557 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10558 .doit
= nl80211_register_mgmt
,
10559 .policy
= nl80211_policy
,
10560 .flags
= GENL_ADMIN_PERM
,
10561 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10562 NL80211_FLAG_NEED_RTNL
,
10565 .cmd
= NL80211_CMD_FRAME
,
10566 .doit
= nl80211_tx_mgmt
,
10567 .policy
= nl80211_policy
,
10568 .flags
= GENL_ADMIN_PERM
,
10569 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10570 NL80211_FLAG_NEED_RTNL
,
10573 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10574 .doit
= nl80211_tx_mgmt_cancel_wait
,
10575 .policy
= nl80211_policy
,
10576 .flags
= GENL_ADMIN_PERM
,
10577 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10578 NL80211_FLAG_NEED_RTNL
,
10581 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10582 .doit
= nl80211_set_power_save
,
10583 .policy
= nl80211_policy
,
10584 .flags
= GENL_ADMIN_PERM
,
10585 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10586 NL80211_FLAG_NEED_RTNL
,
10589 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10590 .doit
= nl80211_get_power_save
,
10591 .policy
= nl80211_policy
,
10592 /* can be retrieved by unprivileged users */
10593 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10594 NL80211_FLAG_NEED_RTNL
,
10597 .cmd
= NL80211_CMD_SET_CQM
,
10598 .doit
= nl80211_set_cqm
,
10599 .policy
= nl80211_policy
,
10600 .flags
= GENL_ADMIN_PERM
,
10601 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10602 NL80211_FLAG_NEED_RTNL
,
10605 .cmd
= NL80211_CMD_SET_CHANNEL
,
10606 .doit
= nl80211_set_channel
,
10607 .policy
= nl80211_policy
,
10608 .flags
= GENL_ADMIN_PERM
,
10609 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10610 NL80211_FLAG_NEED_RTNL
,
10613 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10614 .doit
= nl80211_set_wds_peer
,
10615 .policy
= nl80211_policy
,
10616 .flags
= GENL_ADMIN_PERM
,
10617 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10618 NL80211_FLAG_NEED_RTNL
,
10621 .cmd
= NL80211_CMD_JOIN_MESH
,
10622 .doit
= nl80211_join_mesh
,
10623 .policy
= nl80211_policy
,
10624 .flags
= GENL_ADMIN_PERM
,
10625 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10626 NL80211_FLAG_NEED_RTNL
,
10629 .cmd
= NL80211_CMD_LEAVE_MESH
,
10630 .doit
= nl80211_leave_mesh
,
10631 .policy
= nl80211_policy
,
10632 .flags
= GENL_ADMIN_PERM
,
10633 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10634 NL80211_FLAG_NEED_RTNL
,
10637 .cmd
= NL80211_CMD_JOIN_OCB
,
10638 .doit
= nl80211_join_ocb
,
10639 .policy
= nl80211_policy
,
10640 .flags
= GENL_ADMIN_PERM
,
10641 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10642 NL80211_FLAG_NEED_RTNL
,
10645 .cmd
= NL80211_CMD_LEAVE_OCB
,
10646 .doit
= nl80211_leave_ocb
,
10647 .policy
= nl80211_policy
,
10648 .flags
= GENL_ADMIN_PERM
,
10649 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10650 NL80211_FLAG_NEED_RTNL
,
10654 .cmd
= NL80211_CMD_GET_WOWLAN
,
10655 .doit
= nl80211_get_wowlan
,
10656 .policy
= nl80211_policy
,
10657 /* can be retrieved by unprivileged users */
10658 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10659 NL80211_FLAG_NEED_RTNL
,
10662 .cmd
= NL80211_CMD_SET_WOWLAN
,
10663 .doit
= nl80211_set_wowlan
,
10664 .policy
= nl80211_policy
,
10665 .flags
= GENL_ADMIN_PERM
,
10666 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10667 NL80211_FLAG_NEED_RTNL
,
10671 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10672 .doit
= nl80211_set_rekey_data
,
10673 .policy
= nl80211_policy
,
10674 .flags
= GENL_ADMIN_PERM
,
10675 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10676 NL80211_FLAG_NEED_RTNL
|
10677 NL80211_FLAG_CLEAR_SKB
,
10680 .cmd
= NL80211_CMD_TDLS_MGMT
,
10681 .doit
= nl80211_tdls_mgmt
,
10682 .policy
= nl80211_policy
,
10683 .flags
= GENL_ADMIN_PERM
,
10684 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10685 NL80211_FLAG_NEED_RTNL
,
10688 .cmd
= NL80211_CMD_TDLS_OPER
,
10689 .doit
= nl80211_tdls_oper
,
10690 .policy
= nl80211_policy
,
10691 .flags
= GENL_ADMIN_PERM
,
10692 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10693 NL80211_FLAG_NEED_RTNL
,
10696 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10697 .doit
= nl80211_register_unexpected_frame
,
10698 .policy
= nl80211_policy
,
10699 .flags
= GENL_ADMIN_PERM
,
10700 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10701 NL80211_FLAG_NEED_RTNL
,
10704 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10705 .doit
= nl80211_probe_client
,
10706 .policy
= nl80211_policy
,
10707 .flags
= GENL_ADMIN_PERM
,
10708 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10709 NL80211_FLAG_NEED_RTNL
,
10712 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
10713 .doit
= nl80211_register_beacons
,
10714 .policy
= nl80211_policy
,
10715 .flags
= GENL_ADMIN_PERM
,
10716 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10717 NL80211_FLAG_NEED_RTNL
,
10720 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10721 .doit
= nl80211_set_noack_map
,
10722 .policy
= nl80211_policy
,
10723 .flags
= GENL_ADMIN_PERM
,
10724 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10725 NL80211_FLAG_NEED_RTNL
,
10728 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10729 .doit
= nl80211_start_p2p_device
,
10730 .policy
= nl80211_policy
,
10731 .flags
= GENL_ADMIN_PERM
,
10732 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10733 NL80211_FLAG_NEED_RTNL
,
10736 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10737 .doit
= nl80211_stop_p2p_device
,
10738 .policy
= nl80211_policy
,
10739 .flags
= GENL_ADMIN_PERM
,
10740 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10741 NL80211_FLAG_NEED_RTNL
,
10744 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10745 .doit
= nl80211_set_mcast_rate
,
10746 .policy
= nl80211_policy
,
10747 .flags
= GENL_ADMIN_PERM
,
10748 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10749 NL80211_FLAG_NEED_RTNL
,
10752 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10753 .doit
= nl80211_set_mac_acl
,
10754 .policy
= nl80211_policy
,
10755 .flags
= GENL_ADMIN_PERM
,
10756 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10757 NL80211_FLAG_NEED_RTNL
,
10760 .cmd
= NL80211_CMD_RADAR_DETECT
,
10761 .doit
= nl80211_start_radar_detection
,
10762 .policy
= nl80211_policy
,
10763 .flags
= GENL_ADMIN_PERM
,
10764 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10765 NL80211_FLAG_NEED_RTNL
,
10768 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10769 .doit
= nl80211_get_protocol_features
,
10770 .policy
= nl80211_policy
,
10773 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10774 .doit
= nl80211_update_ft_ies
,
10775 .policy
= nl80211_policy
,
10776 .flags
= GENL_ADMIN_PERM
,
10777 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10778 NL80211_FLAG_NEED_RTNL
,
10781 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10782 .doit
= nl80211_crit_protocol_start
,
10783 .policy
= nl80211_policy
,
10784 .flags
= GENL_ADMIN_PERM
,
10785 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10786 NL80211_FLAG_NEED_RTNL
,
10789 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10790 .doit
= nl80211_crit_protocol_stop
,
10791 .policy
= nl80211_policy
,
10792 .flags
= GENL_ADMIN_PERM
,
10793 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10794 NL80211_FLAG_NEED_RTNL
,
10797 .cmd
= NL80211_CMD_GET_COALESCE
,
10798 .doit
= nl80211_get_coalesce
,
10799 .policy
= nl80211_policy
,
10800 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10801 NL80211_FLAG_NEED_RTNL
,
10804 .cmd
= NL80211_CMD_SET_COALESCE
,
10805 .doit
= nl80211_set_coalesce
,
10806 .policy
= nl80211_policy
,
10807 .flags
= GENL_ADMIN_PERM
,
10808 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10809 NL80211_FLAG_NEED_RTNL
,
10812 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10813 .doit
= nl80211_channel_switch
,
10814 .policy
= nl80211_policy
,
10815 .flags
= GENL_ADMIN_PERM
,
10816 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10817 NL80211_FLAG_NEED_RTNL
,
10820 .cmd
= NL80211_CMD_VENDOR
,
10821 .doit
= nl80211_vendor_cmd
,
10822 .policy
= nl80211_policy
,
10823 .flags
= GENL_ADMIN_PERM
,
10824 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10825 NL80211_FLAG_NEED_RTNL
,
10828 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10829 .doit
= nl80211_set_qos_map
,
10830 .policy
= nl80211_policy
,
10831 .flags
= GENL_ADMIN_PERM
,
10832 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10833 NL80211_FLAG_NEED_RTNL
,
10836 .cmd
= NL80211_CMD_ADD_TX_TS
,
10837 .doit
= nl80211_add_tx_ts
,
10838 .policy
= nl80211_policy
,
10839 .flags
= GENL_ADMIN_PERM
,
10840 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10841 NL80211_FLAG_NEED_RTNL
,
10844 .cmd
= NL80211_CMD_DEL_TX_TS
,
10845 .doit
= nl80211_del_tx_ts
,
10846 .policy
= nl80211_policy
,
10847 .flags
= GENL_ADMIN_PERM
,
10848 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10849 NL80211_FLAG_NEED_RTNL
,
10852 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
10853 .doit
= nl80211_tdls_channel_switch
,
10854 .policy
= nl80211_policy
,
10855 .flags
= GENL_ADMIN_PERM
,
10856 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10857 NL80211_FLAG_NEED_RTNL
,
10860 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
10861 .doit
= nl80211_tdls_cancel_channel_switch
,
10862 .policy
= nl80211_policy
,
10863 .flags
= GENL_ADMIN_PERM
,
10864 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10865 NL80211_FLAG_NEED_RTNL
,
10869 /* notification functions */
10871 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10872 enum nl80211_commands cmd
)
10874 struct sk_buff
*msg
;
10875 struct nl80211_dump_wiphy_state state
= {};
10877 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10878 cmd
!= NL80211_CMD_DEL_WIPHY
);
10880 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10884 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10889 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10890 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10893 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10894 struct cfg80211_registered_device
*rdev
)
10896 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10897 struct nlattr
*nest
;
10903 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10905 goto nla_put_failure
;
10906 for (i
= 0; i
< req
->n_ssids
; i
++) {
10907 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10908 goto nla_put_failure
;
10910 nla_nest_end(msg
, nest
);
10912 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10914 goto nla_put_failure
;
10915 for (i
= 0; i
< req
->n_channels
; i
++) {
10916 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10917 goto nla_put_failure
;
10919 nla_nest_end(msg
, nest
);
10922 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10923 goto nla_put_failure
;
10926 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10927 goto nla_put_failure
;
10934 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10935 struct cfg80211_registered_device
*rdev
,
10936 struct wireless_dev
*wdev
,
10937 u32 portid
, u32 seq
, int flags
,
10942 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10946 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10947 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10948 wdev
->netdev
->ifindex
)) ||
10949 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10950 goto nla_put_failure
;
10952 /* ignore errors and send incomplete event anyway */
10953 nl80211_add_scan_req(msg
, rdev
);
10955 return genlmsg_end(msg
, hdr
);
10958 genlmsg_cancel(msg
, hdr
);
10963 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10964 struct cfg80211_registered_device
*rdev
,
10965 struct net_device
*netdev
,
10966 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10970 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10974 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10975 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10976 goto nla_put_failure
;
10978 return genlmsg_end(msg
, hdr
);
10981 genlmsg_cancel(msg
, hdr
);
10985 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10986 struct wireless_dev
*wdev
)
10988 struct sk_buff
*msg
;
10990 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10994 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10995 NL80211_CMD_TRIGGER_SCAN
) < 0) {
11000 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11001 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11004 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
11005 struct wireless_dev
*wdev
, bool aborted
)
11007 struct sk_buff
*msg
;
11009 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11013 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11014 aborted
? NL80211_CMD_SCAN_ABORTED
:
11015 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
11023 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
11024 struct sk_buff
*msg
)
11029 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11030 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11033 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
11034 struct net_device
*netdev
)
11036 struct sk_buff
*msg
;
11038 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11042 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
11043 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
11048 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11049 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11052 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
11053 struct net_device
*netdev
, u32 cmd
)
11055 struct sk_buff
*msg
;
11057 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11061 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
11066 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11067 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11070 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
11071 struct regulatory_request
*request
)
11073 /* Userspace can always count this one always being set */
11074 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
11075 goto nla_put_failure
;
11077 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
11078 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11079 NL80211_REGDOM_TYPE_WORLD
))
11080 goto nla_put_failure
;
11081 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
11082 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11083 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
11084 goto nla_put_failure
;
11085 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
11086 request
->intersect
) {
11087 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11088 NL80211_REGDOM_TYPE_INTERSECTION
))
11089 goto nla_put_failure
;
11091 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11092 NL80211_REGDOM_TYPE_COUNTRY
) ||
11093 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
11095 goto nla_put_failure
;
11098 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
11099 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
11102 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
11103 goto nla_put_failure
;
11106 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
11107 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
11108 goto nla_put_failure
;
11118 * This can happen on global regulatory changes or device specific settings
11119 * based on custom regulatory domains.
11121 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
11122 struct regulatory_request
*request
)
11124 struct sk_buff
*msg
;
11127 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11131 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
11137 if (nl80211_reg_change_event_fill(msg
, request
) == false)
11138 goto nla_put_failure
;
11140 genlmsg_end(msg
, hdr
);
11143 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11144 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11150 genlmsg_cancel(msg
, hdr
);
11154 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11155 struct net_device
*netdev
,
11156 const u8
*buf
, size_t len
,
11157 enum nl80211_commands cmd
, gfp_t gfp
,
11160 struct sk_buff
*msg
;
11163 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11167 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11173 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11174 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11175 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11176 goto nla_put_failure
;
11178 if (uapsd_queues
>= 0) {
11179 struct nlattr
*nla_wmm
=
11180 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11182 goto nla_put_failure
;
11184 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11186 goto nla_put_failure
;
11188 nla_nest_end(msg
, nla_wmm
);
11191 genlmsg_end(msg
, hdr
);
11193 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11194 NL80211_MCGRP_MLME
, gfp
);
11198 genlmsg_cancel(msg
, hdr
);
11202 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11203 struct net_device
*netdev
, const u8
*buf
,
11204 size_t len
, gfp_t gfp
)
11206 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11207 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11210 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11211 struct net_device
*netdev
, const u8
*buf
,
11212 size_t len
, gfp_t gfp
, int uapsd_queues
)
11214 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11215 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11218 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11219 struct net_device
*netdev
, const u8
*buf
,
11220 size_t len
, gfp_t gfp
)
11222 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11223 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11226 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11227 struct net_device
*netdev
, const u8
*buf
,
11228 size_t len
, gfp_t gfp
)
11230 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11231 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11234 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11237 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11238 struct wiphy
*wiphy
= wdev
->wiphy
;
11239 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11240 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11243 if (WARN_ON(len
< 2))
11246 if (ieee80211_is_deauth(mgmt
->frame_control
))
11247 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11249 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11251 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11252 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11254 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11256 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11257 struct net_device
*netdev
, int cmd
,
11258 const u8
*addr
, gfp_t gfp
)
11260 struct sk_buff
*msg
;
11263 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11267 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11273 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11274 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11275 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11276 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11277 goto nla_put_failure
;
11279 genlmsg_end(msg
, hdr
);
11281 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11282 NL80211_MCGRP_MLME
, gfp
);
11286 genlmsg_cancel(msg
, hdr
);
11290 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11291 struct net_device
*netdev
, const u8
*addr
,
11294 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11298 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11299 struct net_device
*netdev
, const u8
*addr
,
11302 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11306 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11307 struct net_device
*netdev
, const u8
*bssid
,
11308 const u8
*req_ie
, size_t req_ie_len
,
11309 const u8
*resp_ie
, size_t resp_ie_len
,
11310 u16 status
, gfp_t gfp
)
11312 struct sk_buff
*msg
;
11315 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11319 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11325 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11326 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11327 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11328 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11330 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11332 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11333 goto nla_put_failure
;
11335 genlmsg_end(msg
, hdr
);
11337 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11338 NL80211_MCGRP_MLME
, gfp
);
11342 genlmsg_cancel(msg
, hdr
);
11347 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11348 struct net_device
*netdev
, const u8
*bssid
,
11349 const u8
*req_ie
, size_t req_ie_len
,
11350 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11352 struct sk_buff
*msg
;
11355 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11359 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11365 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11366 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11367 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11369 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11371 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11372 goto nla_put_failure
;
11374 genlmsg_end(msg
, hdr
);
11376 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11377 NL80211_MCGRP_MLME
, gfp
);
11381 genlmsg_cancel(msg
, hdr
);
11386 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11387 struct net_device
*netdev
, u16 reason
,
11388 const u8
*ie
, size_t ie_len
, bool from_ap
)
11390 struct sk_buff
*msg
;
11393 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11397 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11403 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11404 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11405 (from_ap
&& reason
&&
11406 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
11408 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
11409 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11410 goto nla_put_failure
;
11412 genlmsg_end(msg
, hdr
);
11414 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11415 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11419 genlmsg_cancel(msg
, hdr
);
11424 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
11425 struct net_device
*netdev
, const u8
*bssid
,
11428 struct sk_buff
*msg
;
11431 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11435 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
11441 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11442 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11443 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11444 goto nla_put_failure
;
11446 genlmsg_end(msg
, hdr
);
11448 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11449 NL80211_MCGRP_MLME
, gfp
);
11453 genlmsg_cancel(msg
, hdr
);
11457 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
11458 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
11460 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11461 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11462 struct sk_buff
*msg
;
11465 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11468 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
11470 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11474 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11480 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11481 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11482 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11484 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11485 goto nla_put_failure
;
11487 genlmsg_end(msg
, hdr
);
11489 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11490 NL80211_MCGRP_MLME
, gfp
);
11494 genlmsg_cancel(msg
, hdr
);
11497 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11499 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11500 struct net_device
*netdev
, const u8
*addr
,
11501 enum nl80211_key_type key_type
, int key_id
,
11502 const u8
*tsc
, gfp_t gfp
)
11504 struct sk_buff
*msg
;
11507 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11511 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11517 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11518 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11519 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11520 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11522 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11523 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11524 goto nla_put_failure
;
11526 genlmsg_end(msg
, hdr
);
11528 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11529 NL80211_MCGRP_MLME
, gfp
);
11533 genlmsg_cancel(msg
, hdr
);
11537 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11538 struct ieee80211_channel
*channel_before
,
11539 struct ieee80211_channel
*channel_after
)
11541 struct sk_buff
*msg
;
11543 struct nlattr
*nl_freq
;
11545 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11549 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11556 * Since we are applying the beacon hint to a wiphy we know its
11557 * wiphy_idx is valid
11559 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11560 goto nla_put_failure
;
11563 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11565 goto nla_put_failure
;
11566 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11567 goto nla_put_failure
;
11568 nla_nest_end(msg
, nl_freq
);
11571 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11573 goto nla_put_failure
;
11574 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11575 goto nla_put_failure
;
11576 nla_nest_end(msg
, nl_freq
);
11578 genlmsg_end(msg
, hdr
);
11581 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11582 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11588 genlmsg_cancel(msg
, hdr
);
11592 static void nl80211_send_remain_on_chan_event(
11593 int cmd
, struct cfg80211_registered_device
*rdev
,
11594 struct wireless_dev
*wdev
, u64 cookie
,
11595 struct ieee80211_channel
*chan
,
11596 unsigned int duration
, gfp_t gfp
)
11598 struct sk_buff
*msg
;
11601 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11605 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11611 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11612 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11613 wdev
->netdev
->ifindex
)) ||
11614 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11615 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11616 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11617 NL80211_CHAN_NO_HT
) ||
11618 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11619 goto nla_put_failure
;
11621 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11622 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11623 goto nla_put_failure
;
11625 genlmsg_end(msg
, hdr
);
11627 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11628 NL80211_MCGRP_MLME
, gfp
);
11632 genlmsg_cancel(msg
, hdr
);
11636 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11637 struct ieee80211_channel
*chan
,
11638 unsigned int duration
, gfp_t gfp
)
11640 struct wiphy
*wiphy
= wdev
->wiphy
;
11641 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11643 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11644 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11645 rdev
, wdev
, cookie
, chan
,
11648 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11650 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11651 struct ieee80211_channel
*chan
,
11654 struct wiphy
*wiphy
= wdev
->wiphy
;
11655 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11657 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11658 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11659 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11661 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11663 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11664 struct station_info
*sinfo
, gfp_t gfp
)
11666 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11667 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11668 struct sk_buff
*msg
;
11670 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11672 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11676 if (nl80211_send_station(msg
, 0, 0, 0,
11677 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11682 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11683 NL80211_MCGRP_MLME
, gfp
);
11685 EXPORT_SYMBOL(cfg80211_new_sta
);
11687 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
11689 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11690 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11691 struct sk_buff
*msg
;
11694 trace_cfg80211_del_sta(dev
, mac_addr
);
11696 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11700 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
11706 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11707 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
11708 goto nla_put_failure
;
11710 genlmsg_end(msg
, hdr
);
11712 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11713 NL80211_MCGRP_MLME
, gfp
);
11717 genlmsg_cancel(msg
, hdr
);
11720 EXPORT_SYMBOL(cfg80211_del_sta
);
11722 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11723 enum nl80211_connect_failed_reason reason
,
11726 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11727 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11728 struct sk_buff
*msg
;
11731 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11735 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11741 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11742 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11743 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11744 goto nla_put_failure
;
11746 genlmsg_end(msg
, hdr
);
11748 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11749 NL80211_MCGRP_MLME
, gfp
);
11753 genlmsg_cancel(msg
, hdr
);
11756 EXPORT_SYMBOL(cfg80211_conn_failed
);
11758 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11759 const u8
*addr
, gfp_t gfp
)
11761 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11762 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11763 struct sk_buff
*msg
;
11765 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11770 msg
= nlmsg_new(100, gfp
);
11774 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11780 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11781 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11782 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11783 goto nla_put_failure
;
11785 genlmsg_end(msg
, hdr
);
11786 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11790 genlmsg_cancel(msg
, hdr
);
11795 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11796 const u8
*addr
, gfp_t gfp
)
11798 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11801 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11803 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11804 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11805 trace_cfg80211_return_bool(false);
11808 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11810 trace_cfg80211_return_bool(ret
);
11813 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11815 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11816 const u8
*addr
, gfp_t gfp
)
11818 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11821 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11823 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11824 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11825 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11826 trace_cfg80211_return_bool(false);
11829 ret
= __nl80211_unexpected_frame(dev
,
11830 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11832 trace_cfg80211_return_bool(ret
);
11835 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11837 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11838 struct wireless_dev
*wdev
, u32 nlportid
,
11839 int freq
, int sig_dbm
,
11840 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11842 struct net_device
*netdev
= wdev
->netdev
;
11843 struct sk_buff
*msg
;
11846 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11850 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11856 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11857 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11858 netdev
->ifindex
)) ||
11859 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11860 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11862 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11863 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11865 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11866 goto nla_put_failure
;
11868 genlmsg_end(msg
, hdr
);
11870 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11873 genlmsg_cancel(msg
, hdr
);
11878 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11879 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11881 struct wiphy
*wiphy
= wdev
->wiphy
;
11882 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11883 struct net_device
*netdev
= wdev
->netdev
;
11884 struct sk_buff
*msg
;
11887 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11889 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11893 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11899 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11900 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11901 netdev
->ifindex
)) ||
11902 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11903 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11904 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11905 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11906 goto nla_put_failure
;
11908 genlmsg_end(msg
, hdr
);
11910 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11911 NL80211_MCGRP_MLME
, gfp
);
11915 genlmsg_cancel(msg
, hdr
);
11918 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11920 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
11921 const char *mac
, gfp_t gfp
)
11923 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11924 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11925 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11931 cb
= (void **)msg
->cb
;
11933 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11939 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11940 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11941 goto nla_put_failure
;
11943 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
11944 goto nla_put_failure
;
11946 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
11948 goto nla_put_failure
;
11958 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
11960 void **cb
= (void **)msg
->cb
;
11961 struct cfg80211_registered_device
*rdev
= cb
[2];
11963 nla_nest_end(msg
, cb
[1]);
11964 genlmsg_end(msg
, cb
[0]);
11966 memset(msg
->cb
, 0, sizeof(msg
->cb
));
11968 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11969 NL80211_MCGRP_MLME
, gfp
);
11972 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11973 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11976 struct sk_buff
*msg
;
11978 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11980 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
11981 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
11984 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
11988 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11990 goto nla_put_failure
;
11992 cfg80211_send_cqm(msg
, gfp
);
11999 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
12001 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
12002 const u8
*peer
, u32 num_packets
,
12003 u32 rate
, u32 intvl
, gfp_t gfp
)
12005 struct sk_buff
*msg
;
12007 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12011 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12012 goto nla_put_failure
;
12014 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12015 goto nla_put_failure
;
12017 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12018 goto nla_put_failure
;
12020 cfg80211_send_cqm(msg
, gfp
);
12026 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12028 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12029 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12031 struct sk_buff
*msg
;
12033 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12035 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12039 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12040 goto nla_put_failure
;
12042 cfg80211_send_cqm(msg
, gfp
);
12048 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12050 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
12052 struct sk_buff
*msg
;
12054 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12058 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
12059 goto nla_put_failure
;
12061 cfg80211_send_cqm(msg
, gfp
);
12067 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
12069 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
12070 struct net_device
*netdev
, const u8
*bssid
,
12071 const u8
*replay_ctr
, gfp_t gfp
)
12073 struct sk_buff
*msg
;
12074 struct nlattr
*rekey_attr
;
12077 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12081 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
12087 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12088 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12089 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12090 goto nla_put_failure
;
12092 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
12094 goto nla_put_failure
;
12096 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
12097 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
12098 goto nla_put_failure
;
12100 nla_nest_end(msg
, rekey_attr
);
12102 genlmsg_end(msg
, hdr
);
12104 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12105 NL80211_MCGRP_MLME
, gfp
);
12109 genlmsg_cancel(msg
, hdr
);
12113 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
12114 const u8
*replay_ctr
, gfp_t gfp
)
12116 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12117 struct wiphy
*wiphy
= wdev
->wiphy
;
12118 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12120 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
12121 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
12123 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
12126 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
12127 struct net_device
*netdev
, int index
,
12128 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12130 struct sk_buff
*msg
;
12131 struct nlattr
*attr
;
12134 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12138 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
12144 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12145 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12146 goto nla_put_failure
;
12148 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
12150 goto nla_put_failure
;
12152 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12153 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12155 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12156 goto nla_put_failure
;
12158 nla_nest_end(msg
, attr
);
12160 genlmsg_end(msg
, hdr
);
12162 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12163 NL80211_MCGRP_MLME
, gfp
);
12167 genlmsg_cancel(msg
, hdr
);
12171 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12172 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12174 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12175 struct wiphy
*wiphy
= wdev
->wiphy
;
12176 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12178 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12179 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12181 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12183 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12184 struct net_device
*netdev
,
12185 struct cfg80211_chan_def
*chandef
,
12187 enum nl80211_commands notif
,
12190 struct sk_buff
*msg
;
12193 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12197 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12203 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12204 goto nla_put_failure
;
12206 if (nl80211_send_chandef(msg
, chandef
))
12207 goto nla_put_failure
;
12209 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12210 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12211 goto nla_put_failure
;
12213 genlmsg_end(msg
, hdr
);
12215 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12216 NL80211_MCGRP_MLME
, gfp
);
12220 genlmsg_cancel(msg
, hdr
);
12224 void cfg80211_ch_switch_notify(struct net_device
*dev
,
12225 struct cfg80211_chan_def
*chandef
)
12227 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12228 struct wiphy
*wiphy
= wdev
->wiphy
;
12229 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12231 ASSERT_WDEV_LOCK(wdev
);
12233 trace_cfg80211_ch_switch_notify(dev
, chandef
);
12235 wdev
->chandef
= *chandef
;
12236 wdev
->preset_chandef
= *chandef
;
12237 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12238 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
12240 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
12242 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
12243 struct cfg80211_chan_def
*chandef
,
12246 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12247 struct wiphy
*wiphy
= wdev
->wiphy
;
12248 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12250 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
12252 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12253 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
12255 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
12258 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12259 const struct cfg80211_chan_def
*chandef
,
12260 enum nl80211_radar_event event
,
12261 struct net_device
*netdev
, gfp_t gfp
)
12263 struct sk_buff
*msg
;
12266 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12270 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12276 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12277 goto nla_put_failure
;
12279 /* NOP and radar events don't need a netdev parameter */
12281 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12283 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12284 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12285 goto nla_put_failure
;
12288 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12289 goto nla_put_failure
;
12291 if (nl80211_send_chandef(msg
, chandef
))
12292 goto nla_put_failure
;
12294 genlmsg_end(msg
, hdr
);
12296 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12297 NL80211_MCGRP_MLME
, gfp
);
12301 genlmsg_cancel(msg
, hdr
);
12305 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12306 u64 cookie
, bool acked
, gfp_t gfp
)
12308 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12309 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12310 struct sk_buff
*msg
;
12313 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12315 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12320 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12326 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12327 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12328 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12329 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12330 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12331 goto nla_put_failure
;
12333 genlmsg_end(msg
, hdr
);
12335 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12336 NL80211_MCGRP_MLME
, gfp
);
12340 genlmsg_cancel(msg
, hdr
);
12343 EXPORT_SYMBOL(cfg80211_probe_status
);
12345 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12346 const u8
*frame
, size_t len
,
12347 int freq
, int sig_dbm
)
12349 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12350 struct sk_buff
*msg
;
12352 struct cfg80211_beacon_registration
*reg
;
12354 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12356 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12357 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12358 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12360 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12364 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12366 goto nla_put_failure
;
12368 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12370 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12372 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12373 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12374 goto nla_put_failure
;
12376 genlmsg_end(msg
, hdr
);
12378 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12380 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12384 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12386 genlmsg_cancel(msg
, hdr
);
12389 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12392 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12393 struct cfg80211_wowlan_wakeup
*wakeup
)
12395 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12396 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12399 nl_results
= nla_nest_start(
12400 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12404 for (i
= 0; i
< nd
->n_matches
; i
++) {
12405 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12407 nl_match
= nla_nest_start(msg
, i
);
12411 /* The SSID attribute is optional in nl80211, but for
12412 * simplicity reasons it's always present in the
12413 * cfg80211 structure. If a driver can't pass the
12414 * SSID, that needs to be changed. A zero length SSID
12415 * is still a valid SSID (wildcard), so it cannot be
12416 * used for this purpose.
12418 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
12419 match
->ssid
.ssid
)) {
12420 nla_nest_cancel(msg
, nl_match
);
12424 if (match
->n_channels
) {
12425 nl_freqs
= nla_nest_start(
12426 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12428 nla_nest_cancel(msg
, nl_match
);
12432 for (j
= 0; j
< match
->n_channels
; j
++) {
12433 if (nla_put_u32(msg
,
12434 NL80211_ATTR_WIPHY_FREQ
,
12435 match
->channels
[j
])) {
12436 nla_nest_cancel(msg
, nl_freqs
);
12437 nla_nest_cancel(msg
, nl_match
);
12442 nla_nest_end(msg
, nl_freqs
);
12445 nla_nest_end(msg
, nl_match
);
12449 nla_nest_end(msg
, nl_results
);
12453 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
12454 struct cfg80211_wowlan_wakeup
*wakeup
,
12457 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12458 struct sk_buff
*msg
;
12462 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
12465 size
+= wakeup
->packet_present_len
;
12467 msg
= nlmsg_new(size
, gfp
);
12471 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
12475 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12476 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12479 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12480 wdev
->netdev
->ifindex
))
12484 struct nlattr
*reasons
;
12486 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
12490 if (wakeup
->disconnect
&&
12491 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
12493 if (wakeup
->magic_pkt
&&
12494 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
12496 if (wakeup
->gtk_rekey_failure
&&
12497 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
12499 if (wakeup
->eap_identity_req
&&
12500 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
12502 if (wakeup
->four_way_handshake
&&
12503 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
12505 if (wakeup
->rfkill_release
&&
12506 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
12509 if (wakeup
->pattern_idx
>= 0 &&
12510 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
12511 wakeup
->pattern_idx
))
12514 if (wakeup
->tcp_match
&&
12515 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
12518 if (wakeup
->tcp_connlost
&&
12519 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
12522 if (wakeup
->tcp_nomoretokens
&&
12524 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
12527 if (wakeup
->packet
) {
12528 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
12529 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
12531 if (!wakeup
->packet_80211
) {
12533 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
12535 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
12538 if (wakeup
->packet_len
&&
12539 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
12542 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
12547 if (wakeup
->net_detect
&&
12548 cfg80211_net_detect_results(msg
, wakeup
))
12551 nla_nest_end(msg
, reasons
);
12554 genlmsg_end(msg
, hdr
);
12556 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12557 NL80211_MCGRP_MLME
, gfp
);
12563 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12566 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12567 enum nl80211_tdls_operation oper
,
12568 u16 reason_code
, gfp_t gfp
)
12570 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12571 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12572 struct sk_buff
*msg
;
12575 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12578 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12582 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12588 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12589 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12590 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12591 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12592 (reason_code
> 0 &&
12593 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12594 goto nla_put_failure
;
12596 genlmsg_end(msg
, hdr
);
12598 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12599 NL80211_MCGRP_MLME
, gfp
);
12603 genlmsg_cancel(msg
, hdr
);
12606 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12608 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12609 unsigned long state
,
12612 struct netlink_notify
*notify
= _notify
;
12613 struct cfg80211_registered_device
*rdev
;
12614 struct wireless_dev
*wdev
;
12615 struct cfg80211_beacon_registration
*reg
, *tmp
;
12617 if (state
!= NETLINK_URELEASE
)
12618 return NOTIFY_DONE
;
12622 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12623 bool schedule_destroy_work
= false;
12624 bool schedule_scan_stop
= false;
12625 struct cfg80211_sched_scan_request
*sched_scan_req
=
12626 rcu_dereference(rdev
->sched_scan_req
);
12628 if (sched_scan_req
&& notify
->portid
&&
12629 sched_scan_req
->owner_nlportid
== notify
->portid
)
12630 schedule_scan_stop
= true;
12632 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12633 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12635 if (wdev
->owner_nlportid
== notify
->portid
)
12636 schedule_destroy_work
= true;
12639 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12640 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12642 if (reg
->nlportid
== notify
->portid
) {
12643 list_del(®
->list
);
12648 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12650 if (schedule_destroy_work
) {
12651 struct cfg80211_iface_destroy
*destroy
;
12653 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12655 destroy
->nlportid
= notify
->portid
;
12656 spin_lock(&rdev
->destroy_list_lock
);
12657 list_add(&destroy
->list
, &rdev
->destroy_list
);
12658 spin_unlock(&rdev
->destroy_list_lock
);
12659 schedule_work(&rdev
->destroy_work
);
12661 } else if (schedule_scan_stop
) {
12662 sched_scan_req
->owner_nlportid
= 0;
12664 if (rdev
->ops
->sched_scan_stop
&&
12665 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
12666 schedule_work(&rdev
->sched_scan_stop_wk
);
12675 static struct notifier_block nl80211_netlink_notifier
= {
12676 .notifier_call
= nl80211_netlink_notify
,
12679 void cfg80211_ft_event(struct net_device
*netdev
,
12680 struct cfg80211_ft_event_params
*ft_event
)
12682 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12683 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12684 struct sk_buff
*msg
;
12687 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12689 if (!ft_event
->target_ap
)
12692 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12696 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12700 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12701 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12702 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12705 if (ft_event
->ies
&&
12706 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12708 if (ft_event
->ric_ies
&&
12709 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12710 ft_event
->ric_ies
))
12713 genlmsg_end(msg
, hdr
);
12715 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12716 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12721 EXPORT_SYMBOL(cfg80211_ft_event
);
12723 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12725 struct cfg80211_registered_device
*rdev
;
12726 struct sk_buff
*msg
;
12730 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12731 if (!rdev
->crit_proto_nlportid
)
12734 nlportid
= rdev
->crit_proto_nlportid
;
12735 rdev
->crit_proto_nlportid
= 0;
12737 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12741 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12743 goto nla_put_failure
;
12745 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12746 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12747 goto nla_put_failure
;
12749 genlmsg_end(msg
, hdr
);
12751 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12756 genlmsg_cancel(msg
, hdr
);
12760 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12762 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12764 struct wiphy
*wiphy
= wdev
->wiphy
;
12765 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12766 struct sk_buff
*msg
;
12769 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12773 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12777 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12778 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12779 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12782 genlmsg_end(msg
, hdr
);
12784 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12785 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12791 /* initialisation/exit functions */
12793 int nl80211_init(void)
12797 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12802 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12808 genl_unregister_family(&nl80211_fam
);
12812 void nl80211_exit(void)
12814 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12815 genl_unregister_family(&nl80211_fam
);