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
= NL80211_MULTICAST_GROUP_CONFIG
},
63 [NL80211_MCGRP_SCAN
] = { .name
= NL80211_MULTICAST_GROUP_SCAN
},
64 [NL80211_MCGRP_REGULATORY
] = { .name
= NL80211_MULTICAST_GROUP_REG
},
65 [NL80211_MCGRP_MLME
] = { .name
= NL80211_MULTICAST_GROUP_MLME
},
66 [NL80211_MCGRP_VENDOR
] = { .name
= NL80211_MULTICAST_GROUP_VENDOR
},
67 #ifdef CONFIG_NL80211_TESTMODE
68 [NL80211_MCGRP_TESTMODE
] = { .name
= NL80211_MULTICAST_GROUP_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
;
1709 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1710 sizeof(rdev
->wiphy
.ext_features
),
1711 rdev
->wiphy
.ext_features
))
1712 goto nla_put_failure
;
1715 state
->split_start
= 0;
1719 return genlmsg_end(msg
, hdr
);
1722 genlmsg_cancel(msg
, hdr
);
1726 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1727 struct netlink_callback
*cb
,
1728 struct nl80211_dump_wiphy_state
*state
)
1730 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1731 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1732 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1733 /* ignore parse errors for backward compatibility */
1737 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1738 if (tb
[NL80211_ATTR_WIPHY
])
1739 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1740 if (tb
[NL80211_ATTR_WDEV
])
1741 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1742 if (tb
[NL80211_ATTR_IFINDEX
]) {
1743 struct net_device
*netdev
;
1744 struct cfg80211_registered_device
*rdev
;
1745 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1747 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1750 if (netdev
->ieee80211_ptr
) {
1751 rdev
= wiphy_to_rdev(
1752 netdev
->ieee80211_ptr
->wiphy
);
1753 state
->filter_wiphy
= rdev
->wiphy_idx
;
1760 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1763 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1764 struct cfg80211_registered_device
*rdev
;
1768 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1773 state
->filter_wiphy
= -1;
1774 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1780 cb
->args
[0] = (long)state
;
1783 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1784 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1786 if (++idx
<= state
->start
)
1788 if (state
->filter_wiphy
!= -1 &&
1789 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1791 /* attempt to fit multiple wiphy data chunks into the skb */
1793 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1795 NETLINK_CB(cb
->skb
).portid
,
1797 NLM_F_MULTI
, state
);
1800 * If sending the wiphy data didn't fit (ENOBUFS
1801 * or EMSGSIZE returned), this SKB is still
1802 * empty (so it's not too big because another
1803 * wiphy dataset is already in the skb) and
1804 * we've not tried to adjust the dump allocation
1805 * yet ... then adjust the alloc size to be
1806 * bigger, and return 1 but with the empty skb.
1807 * This results in an empty message being RX'ed
1808 * in userspace, but that is ignored.
1810 * We can then retry with the larger buffer.
1812 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1813 !skb
->len
&& !state
->split
&&
1814 cb
->min_dump_alloc
< 4096) {
1815 cb
->min_dump_alloc
= 4096;
1816 state
->split_start
= 0;
1823 } while (state
->split_start
> 0);
1833 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1835 kfree((void *)cb
->args
[0]);
1839 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1841 struct sk_buff
*msg
;
1842 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1843 struct nl80211_dump_wiphy_state state
= {};
1845 msg
= nlmsg_new(4096, GFP_KERNEL
);
1849 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1850 info
->snd_portid
, info
->snd_seq
, 0,
1856 return genlmsg_reply(msg
, info
);
1859 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1860 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1861 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1862 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1863 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1864 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1867 static int parse_txq_params(struct nlattr
*tb
[],
1868 struct ieee80211_txq_params
*txq_params
)
1870 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1871 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1872 !tb
[NL80211_TXQ_ATTR_AIFS
])
1875 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1876 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1877 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1878 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1879 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1881 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1887 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1890 * You can only set the channel explicitly for WDS interfaces,
1891 * all others have their channel managed via their respective
1892 * "establish a connection" command (connect, join, ...)
1894 * For AP/GO and mesh mode, the channel can be set with the
1895 * channel userspace API, but is only stored and passed to the
1896 * low-level driver when the AP starts or the mesh is joined.
1897 * This is for backward compatibility, userspace can also give
1898 * the channel in the start-ap or join-mesh commands instead.
1900 * Monitors are special as they are normally slaved to
1901 * whatever else is going on, so they have their own special
1902 * operation to set the monitor channel if possible.
1905 wdev
->iftype
== NL80211_IFTYPE_AP
||
1906 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1907 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1908 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1911 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1912 struct genl_info
*info
,
1913 struct cfg80211_chan_def
*chandef
)
1917 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1920 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1922 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1923 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1924 chandef
->center_freq1
= control_freq
;
1925 chandef
->center_freq2
= 0;
1927 /* Primary channel not allowed */
1928 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1931 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1932 enum nl80211_channel_type chantype
;
1934 chantype
= nla_get_u32(
1935 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1938 case NL80211_CHAN_NO_HT
:
1939 case NL80211_CHAN_HT20
:
1940 case NL80211_CHAN_HT40PLUS
:
1941 case NL80211_CHAN_HT40MINUS
:
1942 cfg80211_chandef_create(chandef
, chandef
->chan
,
1948 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1950 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1951 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1952 chandef
->center_freq1
=
1954 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1955 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1956 chandef
->center_freq2
=
1958 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1961 if (!cfg80211_chandef_valid(chandef
))
1964 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1965 IEEE80211_CHAN_DISABLED
))
1968 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1969 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1970 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1976 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1977 struct net_device
*dev
,
1978 struct genl_info
*info
)
1980 struct cfg80211_chan_def chandef
;
1982 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1983 struct wireless_dev
*wdev
= NULL
;
1986 wdev
= dev
->ieee80211_ptr
;
1987 if (!nl80211_can_set_dev_channel(wdev
))
1990 iftype
= wdev
->iftype
;
1992 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1997 case NL80211_IFTYPE_AP
:
1998 case NL80211_IFTYPE_P2P_GO
:
1999 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, iftype
)) {
2003 if (wdev
->beacon_interval
) {
2004 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2005 !(rdev
->wiphy
.features
&
2006 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2011 /* Only allow dynamic channel width changes */
2012 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2016 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2020 wdev
->preset_chandef
= chandef
;
2023 case NL80211_IFTYPE_MESH_POINT
:
2024 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2026 case NL80211_IFTYPE_MONITOR
:
2027 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2036 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2038 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2039 struct net_device
*netdev
= info
->user_ptr
[1];
2041 return __nl80211_set_channel(rdev
, netdev
, info
);
2044 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2046 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2047 struct net_device
*dev
= info
->user_ptr
[1];
2048 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2051 if (!info
->attrs
[NL80211_ATTR_MAC
])
2054 if (netif_running(dev
))
2057 if (!rdev
->ops
->set_wds_peer
)
2060 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2063 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2064 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2068 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2070 struct cfg80211_registered_device
*rdev
;
2071 struct net_device
*netdev
= NULL
;
2072 struct wireless_dev
*wdev
;
2073 int result
= 0, rem_txq_params
= 0;
2074 struct nlattr
*nl_txq_params
;
2076 u8 retry_short
= 0, retry_long
= 0;
2077 u32 frag_threshold
= 0, rts_threshold
= 0;
2078 u8 coverage_class
= 0;
2083 * Try to find the wiphy and netdev. Normally this
2084 * function shouldn't need the netdev, but this is
2085 * done for backward compatibility -- previously
2086 * setting the channel was done per wiphy, but now
2087 * it is per netdev. Previous userland like hostapd
2088 * also passed a netdev to set_wiphy, so that it is
2089 * possible to let that go to the right netdev!
2092 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2093 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2095 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2096 if (netdev
&& netdev
->ieee80211_ptr
)
2097 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2103 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2106 return PTR_ERR(rdev
);
2111 wdev
= netdev
->ieee80211_ptr
;
2114 * end workaround code, by now the rdev is available
2115 * and locked, and wdev may or may not be NULL.
2118 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2119 result
= cfg80211_dev_rename(
2120 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2125 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2126 struct ieee80211_txq_params txq_params
;
2127 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2129 if (!rdev
->ops
->set_txq_params
)
2135 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2136 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2139 if (!netif_running(netdev
))
2142 nla_for_each_nested(nl_txq_params
,
2143 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2145 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2146 nla_data(nl_txq_params
),
2147 nla_len(nl_txq_params
),
2151 result
= parse_txq_params(tb
, &txq_params
);
2155 result
= rdev_set_txq_params(rdev
, netdev
,
2162 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2163 result
= __nl80211_set_channel(
2165 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2171 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2172 struct wireless_dev
*txp_wdev
= wdev
;
2173 enum nl80211_tx_power_setting type
;
2176 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2179 if (!rdev
->ops
->set_tx_power
)
2182 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2183 type
= nla_get_u32(info
->attrs
[idx
]);
2185 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2186 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2189 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2190 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2191 mbm
= nla_get_u32(info
->attrs
[idx
]);
2194 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2199 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2200 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2202 if ((!rdev
->wiphy
.available_antennas_tx
&&
2203 !rdev
->wiphy
.available_antennas_rx
) ||
2204 !rdev
->ops
->set_antenna
)
2207 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2208 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2210 /* reject antenna configurations which don't match the
2211 * available antenna masks, except for the "all" mask */
2212 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2213 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2216 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2217 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2219 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2226 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2227 retry_short
= nla_get_u8(
2228 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2229 if (retry_short
== 0)
2232 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2235 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2236 retry_long
= nla_get_u8(
2237 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2238 if (retry_long
== 0)
2241 changed
|= WIPHY_PARAM_RETRY_LONG
;
2244 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2245 frag_threshold
= nla_get_u32(
2246 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2247 if (frag_threshold
< 256)
2250 if (frag_threshold
!= (u32
) -1) {
2252 * Fragments (apart from the last one) are required to
2253 * have even length. Make the fragmentation code
2254 * simpler by stripping LSB should someone try to use
2255 * odd threshold value.
2257 frag_threshold
&= ~0x1;
2259 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2262 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2263 rts_threshold
= nla_get_u32(
2264 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2265 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2268 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2269 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2272 coverage_class
= nla_get_u8(
2273 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2274 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2277 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2278 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2281 changed
|= WIPHY_PARAM_DYN_ACK
;
2285 u8 old_retry_short
, old_retry_long
;
2286 u32 old_frag_threshold
, old_rts_threshold
;
2287 u8 old_coverage_class
;
2289 if (!rdev
->ops
->set_wiphy_params
)
2292 old_retry_short
= rdev
->wiphy
.retry_short
;
2293 old_retry_long
= rdev
->wiphy
.retry_long
;
2294 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2295 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2296 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2298 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2299 rdev
->wiphy
.retry_short
= retry_short
;
2300 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2301 rdev
->wiphy
.retry_long
= retry_long
;
2302 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2303 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2304 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2305 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2306 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2307 rdev
->wiphy
.coverage_class
= coverage_class
;
2309 result
= rdev_set_wiphy_params(rdev
, changed
);
2311 rdev
->wiphy
.retry_short
= old_retry_short
;
2312 rdev
->wiphy
.retry_long
= old_retry_long
;
2313 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2314 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2315 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2321 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2323 return (u64
)wdev
->identifier
|
2324 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2327 static int nl80211_send_chandef(struct sk_buff
*msg
,
2328 const struct cfg80211_chan_def
*chandef
)
2330 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2333 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2334 chandef
->chan
->center_freq
))
2336 switch (chandef
->width
) {
2337 case NL80211_CHAN_WIDTH_20_NOHT
:
2338 case NL80211_CHAN_WIDTH_20
:
2339 case NL80211_CHAN_WIDTH_40
:
2340 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2341 cfg80211_get_chandef_type(chandef
)))
2347 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2349 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2351 if (chandef
->center_freq2
&&
2352 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2357 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2358 struct cfg80211_registered_device
*rdev
,
2359 struct wireless_dev
*wdev
, bool removal
)
2361 struct net_device
*dev
= wdev
->netdev
;
2362 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2366 cmd
= NL80211_CMD_DEL_INTERFACE
;
2368 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2373 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2374 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2375 goto nla_put_failure
;
2377 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2378 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2379 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2380 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2381 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2382 rdev
->devlist_generation
^
2383 (cfg80211_rdev_list_generation
<< 2)))
2384 goto nla_put_failure
;
2386 if (rdev
->ops
->get_channel
) {
2388 struct cfg80211_chan_def chandef
;
2390 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2392 if (nl80211_send_chandef(msg
, &chandef
))
2393 goto nla_put_failure
;
2397 if (wdev
->ssid_len
) {
2398 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2399 goto nla_put_failure
;
2402 return genlmsg_end(msg
, hdr
);
2405 genlmsg_cancel(msg
, hdr
);
2409 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2413 int wp_start
= cb
->args
[0];
2414 int if_start
= cb
->args
[1];
2415 struct cfg80211_registered_device
*rdev
;
2416 struct wireless_dev
*wdev
;
2419 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2420 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2422 if (wp_idx
< wp_start
) {
2428 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2429 if (if_idx
< if_start
) {
2433 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2434 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2435 rdev
, wdev
, false) < 0) {
2446 cb
->args
[0] = wp_idx
;
2447 cb
->args
[1] = if_idx
;
2452 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2454 struct sk_buff
*msg
;
2455 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2456 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2458 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2462 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2463 rdev
, wdev
, false) < 0) {
2468 return genlmsg_reply(msg
, info
);
2471 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2472 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2473 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2474 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2475 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2476 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2477 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2480 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2482 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2490 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2491 nla
, mntr_flags_policy
))
2494 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2496 *mntrflags
|= (1<<flag
);
2501 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2502 struct net_device
*netdev
, u8 use_4addr
,
2503 enum nl80211_iftype iftype
)
2506 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2512 case NL80211_IFTYPE_AP_VLAN
:
2513 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2516 case NL80211_IFTYPE_STATION
:
2517 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2527 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2529 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2530 struct vif_params params
;
2532 enum nl80211_iftype otype
, ntype
;
2533 struct net_device
*dev
= info
->user_ptr
[1];
2534 u32 _flags
, *flags
= NULL
;
2535 bool change
= false;
2537 memset(¶ms
, 0, sizeof(params
));
2539 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2541 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2542 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2545 if (ntype
> NL80211_IFTYPE_MAX
)
2549 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2550 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2552 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2554 if (netif_running(dev
))
2558 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2559 IEEE80211_MAX_MESH_ID_LEN
);
2560 wdev
->mesh_id_up_len
=
2561 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2562 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2563 wdev
->mesh_id_up_len
);
2567 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2568 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2570 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2574 params
.use_4addr
= -1;
2577 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2578 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2580 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2589 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2590 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2594 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2598 if (!err
&& params
.use_4addr
!= -1)
2599 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2604 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2606 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2607 struct vif_params params
;
2608 struct wireless_dev
*wdev
;
2609 struct sk_buff
*msg
, *event
;
2611 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2614 /* to avoid failing a new interface creation due to pending removal */
2615 cfg80211_destroy_ifaces(rdev
);
2617 memset(¶ms
, 0, sizeof(params
));
2619 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2622 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2623 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2624 if (type
> NL80211_IFTYPE_MAX
)
2628 if (!rdev
->ops
->add_virtual_intf
||
2629 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2632 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2633 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2634 info
->attrs
[NL80211_ATTR_MAC
]) {
2635 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2637 if (!is_valid_ether_addr(params
.macaddr
))
2638 return -EADDRNOTAVAIL
;
2641 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2642 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2643 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2648 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2652 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2653 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2656 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2657 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2660 wdev
= rdev_add_virtual_intf(rdev
,
2661 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2662 type
, err
? NULL
: &flags
, ¶ms
);
2663 if (WARN_ON(!wdev
)) {
2666 } else if (IS_ERR(wdev
)) {
2668 return PTR_ERR(wdev
);
2671 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2672 wdev
->owner_nlportid
= info
->snd_portid
;
2675 case NL80211_IFTYPE_MESH_POINT
:
2676 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2679 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2680 IEEE80211_MAX_MESH_ID_LEN
);
2681 wdev
->mesh_id_up_len
=
2682 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2683 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2684 wdev
->mesh_id_up_len
);
2687 case NL80211_IFTYPE_P2P_DEVICE
:
2689 * P2P Device doesn't have a netdev, so doesn't go
2690 * through the netdev notifier and must be added here
2692 mutex_init(&wdev
->mtx
);
2693 INIT_LIST_HEAD(&wdev
->event_list
);
2694 spin_lock_init(&wdev
->event_lock
);
2695 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2696 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2698 wdev
->identifier
= ++rdev
->wdev_id
;
2699 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2700 rdev
->devlist_generation
++;
2706 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2707 rdev
, wdev
, false) < 0) {
2712 event
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2714 if (nl80211_send_iface(event
, 0, 0, 0,
2715 rdev
, wdev
, false) < 0) {
2720 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2721 event
, 0, NL80211_MCGRP_CONFIG
,
2726 return genlmsg_reply(msg
, info
);
2729 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2731 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2732 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2733 struct sk_buff
*msg
;
2736 if (!rdev
->ops
->del_virtual_intf
)
2739 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2740 if (msg
&& nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, true) < 0) {
2746 * If we remove a wireless device without a netdev then clear
2747 * user_ptr[1] so that nl80211_post_doit won't dereference it
2748 * to check if it needs to do dev_put(). Otherwise it crashes
2749 * since the wdev has been freed, unlike with a netdev where
2750 * we need the dev_put() for the netdev to really be freed.
2753 info
->user_ptr
[1] = NULL
;
2755 status
= rdev_del_virtual_intf(rdev
, wdev
);
2756 if (status
>= 0 && msg
)
2757 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2758 msg
, 0, NL80211_MCGRP_CONFIG
,
2766 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2768 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2769 struct net_device
*dev
= info
->user_ptr
[1];
2772 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2775 if (!rdev
->ops
->set_noack_map
)
2778 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2780 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2783 struct get_key_cookie
{
2784 struct sk_buff
*msg
;
2789 static void get_key_callback(void *c
, struct key_params
*params
)
2792 struct get_key_cookie
*cookie
= c
;
2795 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2796 params
->key_len
, params
->key
)) ||
2798 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2799 params
->seq_len
, params
->seq
)) ||
2801 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2803 goto nla_put_failure
;
2805 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2807 goto nla_put_failure
;
2810 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2811 params
->key_len
, params
->key
)) ||
2813 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2814 params
->seq_len
, params
->seq
)) ||
2816 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2818 goto nla_put_failure
;
2820 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2821 goto nla_put_failure
;
2823 nla_nest_end(cookie
->msg
, key
);
2830 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2832 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2834 struct net_device
*dev
= info
->user_ptr
[1];
2836 const u8
*mac_addr
= NULL
;
2838 struct get_key_cookie cookie
= {
2842 struct sk_buff
*msg
;
2844 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2845 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2850 if (info
->attrs
[NL80211_ATTR_MAC
])
2851 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2853 pairwise
= !!mac_addr
;
2854 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2855 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2856 if (kt
>= NUM_NL80211_KEYTYPES
)
2858 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2859 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2861 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2864 if (!rdev
->ops
->get_key
)
2867 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2871 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2872 NL80211_CMD_NEW_KEY
);
2874 goto nla_put_failure
;
2877 cookie
.idx
= key_idx
;
2879 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2880 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2881 goto nla_put_failure
;
2883 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2884 goto nla_put_failure
;
2886 if (pairwise
&& mac_addr
&&
2887 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2890 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2897 goto nla_put_failure
;
2899 genlmsg_end(msg
, hdr
);
2900 return genlmsg_reply(msg
, info
);
2909 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2911 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2912 struct key_parse key
;
2914 struct net_device
*dev
= info
->user_ptr
[1];
2916 err
= nl80211_parse_key(info
, &key
);
2923 /* only support setting default key */
2924 if (!key
.def
&& !key
.defmgmt
)
2927 wdev_lock(dev
->ieee80211_ptr
);
2930 if (!rdev
->ops
->set_default_key
) {
2935 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2939 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2940 key
.def_uni
, key
.def_multi
);
2945 #ifdef CONFIG_CFG80211_WEXT
2946 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2949 if (key
.def_uni
|| !key
.def_multi
) {
2954 if (!rdev
->ops
->set_default_mgmt_key
) {
2959 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2963 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2967 #ifdef CONFIG_CFG80211_WEXT
2968 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2973 wdev_unlock(dev
->ieee80211_ptr
);
2978 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2980 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2982 struct net_device
*dev
= info
->user_ptr
[1];
2983 struct key_parse key
;
2984 const u8
*mac_addr
= NULL
;
2986 err
= nl80211_parse_key(info
, &key
);
2993 if (info
->attrs
[NL80211_ATTR_MAC
])
2994 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2996 if (key
.type
== -1) {
2998 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3000 key
.type
= NL80211_KEYTYPE_GROUP
;
3004 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3005 key
.type
!= NL80211_KEYTYPE_GROUP
)
3008 if (!rdev
->ops
->add_key
)
3011 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3012 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3016 wdev_lock(dev
->ieee80211_ptr
);
3017 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3019 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3020 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3022 wdev_unlock(dev
->ieee80211_ptr
);
3027 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3029 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3031 struct net_device
*dev
= info
->user_ptr
[1];
3032 u8
*mac_addr
= NULL
;
3033 struct key_parse key
;
3035 err
= nl80211_parse_key(info
, &key
);
3039 if (info
->attrs
[NL80211_ATTR_MAC
])
3040 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3042 if (key
.type
== -1) {
3044 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3046 key
.type
= NL80211_KEYTYPE_GROUP
;
3050 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3051 key
.type
!= NL80211_KEYTYPE_GROUP
)
3054 if (!rdev
->ops
->del_key
)
3057 wdev_lock(dev
->ieee80211_ptr
);
3058 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3060 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
3061 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3065 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3066 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3069 #ifdef CONFIG_CFG80211_WEXT
3071 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3072 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3073 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3074 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3077 wdev_unlock(dev
->ieee80211_ptr
);
3082 /* This function returns an error or the number of nested attributes */
3083 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3085 struct nlattr
*attr
;
3086 int n_entries
= 0, tmp
;
3088 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3089 if (nla_len(attr
) != ETH_ALEN
)
3099 * This function parses ACL information and allocates memory for ACL data.
3100 * On successful return, the calling function is responsible to free the
3101 * ACL buffer returned by this function.
3103 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3104 struct genl_info
*info
)
3106 enum nl80211_acl_policy acl_policy
;
3107 struct nlattr
*attr
;
3108 struct cfg80211_acl_data
*acl
;
3109 int i
= 0, n_entries
, tmp
;
3111 if (!wiphy
->max_acl_mac_addrs
)
3112 return ERR_PTR(-EOPNOTSUPP
);
3114 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3115 return ERR_PTR(-EINVAL
);
3117 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3118 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3119 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3120 return ERR_PTR(-EINVAL
);
3122 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3123 return ERR_PTR(-EINVAL
);
3125 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3127 return ERR_PTR(n_entries
);
3129 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3130 return ERR_PTR(-ENOTSUPP
);
3132 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3135 return ERR_PTR(-ENOMEM
);
3137 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3138 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3142 acl
->n_acl_entries
= n_entries
;
3143 acl
->acl_policy
= acl_policy
;
3148 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3150 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3151 struct net_device
*dev
= info
->user_ptr
[1];
3152 struct cfg80211_acl_data
*acl
;
3155 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3156 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3159 if (!dev
->ieee80211_ptr
->beacon_interval
)
3162 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3164 return PTR_ERR(acl
);
3166 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3173 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3174 struct cfg80211_beacon_data
*bcn
)
3176 bool haveinfo
= false;
3178 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3179 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3180 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3181 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3184 memset(bcn
, 0, sizeof(*bcn
));
3186 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3187 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3188 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3194 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3195 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3196 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3203 if (attrs
[NL80211_ATTR_IE
]) {
3204 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3205 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3208 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3209 bcn
->proberesp_ies
=
3210 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3211 bcn
->proberesp_ies_len
=
3212 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3215 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3216 bcn
->assocresp_ies
=
3217 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3218 bcn
->assocresp_ies_len
=
3219 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3222 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3223 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3224 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3230 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3231 struct cfg80211_ap_settings
*params
)
3233 struct wireless_dev
*wdev
;
3236 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3237 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3238 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3241 if (!wdev
->preset_chandef
.chan
)
3244 params
->chandef
= wdev
->preset_chandef
;
3252 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3253 enum nl80211_auth_type auth_type
,
3254 enum nl80211_commands cmd
)
3256 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3260 case NL80211_CMD_AUTHENTICATE
:
3261 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3262 auth_type
== NL80211_AUTHTYPE_SAE
)
3265 case NL80211_CMD_CONNECT
:
3266 case NL80211_CMD_START_AP
:
3267 /* SAE not supported yet */
3268 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3276 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3278 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3279 struct net_device
*dev
= info
->user_ptr
[1];
3280 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3281 struct cfg80211_ap_settings params
;
3284 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3285 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3288 if (!rdev
->ops
->start_ap
)
3291 if (wdev
->beacon_interval
)
3294 memset(¶ms
, 0, sizeof(params
));
3296 /* these are required for START_AP */
3297 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3298 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3299 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3302 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3306 params
.beacon_interval
=
3307 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3308 params
.dtim_period
=
3309 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3311 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3316 * In theory, some of these attributes should be required here
3317 * but since they were not used when the command was originally
3318 * added, keep them optional for old user space programs to let
3319 * them continue to work with drivers that do not need the
3320 * additional information -- drivers must check!
3322 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3323 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3325 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3326 if (params
.ssid_len
== 0 ||
3327 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3331 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3332 params
.hidden_ssid
= nla_get_u32(
3333 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3334 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3335 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3336 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3340 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3342 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3343 params
.auth_type
= nla_get_u32(
3344 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3345 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3346 NL80211_CMD_START_AP
))
3349 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3351 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3352 NL80211_MAX_NR_CIPHER_SUITES
);
3356 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3357 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3359 params
.inactivity_timeout
= nla_get_u16(
3360 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3363 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3364 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3366 params
.p2p_ctwindow
=
3367 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3368 if (params
.p2p_ctwindow
> 127)
3370 if (params
.p2p_ctwindow
!= 0 &&
3371 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3375 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3378 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3380 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3383 params
.p2p_opp_ps
= tmp
;
3384 if (params
.p2p_opp_ps
!= 0 &&
3385 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3389 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3390 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3393 } else if (wdev
->preset_chandef
.chan
) {
3394 params
.chandef
= wdev
->preset_chandef
;
3395 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3398 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3402 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3403 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3404 if (IS_ERR(params
.acl
))
3405 return PTR_ERR(params
.acl
);
3408 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3410 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3411 switch (params
.smps_mode
) {
3412 case NL80211_SMPS_OFF
:
3414 case NL80211_SMPS_STATIC
:
3415 if (!(rdev
->wiphy
.features
&
3416 NL80211_FEATURE_STATIC_SMPS
))
3419 case NL80211_SMPS_DYNAMIC
:
3420 if (!(rdev
->wiphy
.features
&
3421 NL80211_FEATURE_DYNAMIC_SMPS
))
3428 params
.smps_mode
= NL80211_SMPS_OFF
;
3432 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3434 wdev
->preset_chandef
= params
.chandef
;
3435 wdev
->beacon_interval
= params
.beacon_interval
;
3436 wdev
->chandef
= params
.chandef
;
3437 wdev
->ssid_len
= params
.ssid_len
;
3438 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3447 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3449 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3450 struct net_device
*dev
= info
->user_ptr
[1];
3451 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3452 struct cfg80211_beacon_data params
;
3455 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3456 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3459 if (!rdev
->ops
->change_beacon
)
3462 if (!wdev
->beacon_interval
)
3465 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3470 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3476 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3478 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3479 struct net_device
*dev
= info
->user_ptr
[1];
3481 return cfg80211_stop_ap(rdev
, dev
, false);
3484 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3485 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3486 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3487 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3488 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3489 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3490 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3493 static int parse_station_flags(struct genl_info
*info
,
3494 enum nl80211_iftype iftype
,
3495 struct station_parameters
*params
)
3497 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3502 * Try parsing the new attribute first so userspace
3503 * can specify both for older kernels.
3505 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3507 struct nl80211_sta_flag_update
*sta_flags
;
3509 sta_flags
= nla_data(nla
);
3510 params
->sta_flags_mask
= sta_flags
->mask
;
3511 params
->sta_flags_set
= sta_flags
->set
;
3512 params
->sta_flags_set
&= params
->sta_flags_mask
;
3513 if ((params
->sta_flags_mask
|
3514 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3519 /* if present, parse the old attribute */
3521 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3525 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3526 nla
, sta_flags_policy
))
3530 * Only allow certain flags for interface types so that
3531 * other attributes are silently ignored. Remember that
3532 * this is backward compatibility code with old userspace
3533 * and shouldn't be hit in other cases anyway.
3536 case NL80211_IFTYPE_AP
:
3537 case NL80211_IFTYPE_AP_VLAN
:
3538 case NL80211_IFTYPE_P2P_GO
:
3539 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3540 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3541 BIT(NL80211_STA_FLAG_WME
) |
3542 BIT(NL80211_STA_FLAG_MFP
);
3544 case NL80211_IFTYPE_P2P_CLIENT
:
3545 case NL80211_IFTYPE_STATION
:
3546 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3547 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3549 case NL80211_IFTYPE_MESH_POINT
:
3550 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3551 BIT(NL80211_STA_FLAG_MFP
) |
3552 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3557 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3559 params
->sta_flags_set
|= (1<<flag
);
3561 /* no longer support new API additions in old API */
3562 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3570 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3573 struct nlattr
*rate
;
3577 rate
= nla_nest_start(msg
, attr
);
3581 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3582 bitrate
= cfg80211_calculate_bitrate(info
);
3583 /* report 16-bit bitrate only if we can */
3584 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3586 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3588 if (bitrate_compat
> 0 &&
3589 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3592 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3593 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3595 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3596 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3598 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3599 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3601 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3602 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3604 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3606 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3607 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3609 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3610 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3612 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3613 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3615 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3616 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3618 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3619 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3623 nla_nest_end(msg
, rate
);
3627 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3636 attr
= nla_nest_start(msg
, id
);
3640 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3641 if (!(mask
& BIT(i
)))
3644 if (nla_put_u8(msg
, i
, signal
[i
]))
3648 nla_nest_end(msg
, attr
);
3653 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3655 struct cfg80211_registered_device
*rdev
,
3656 struct net_device
*dev
,
3657 const u8
*mac_addr
, struct station_info
*sinfo
)
3660 struct nlattr
*sinfoattr
, *bss_param
;
3662 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3666 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3667 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3668 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3669 goto nla_put_failure
;
3671 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3673 goto nla_put_failure
;
3674 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3675 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3676 sinfo
->connected_time
))
3677 goto nla_put_failure
;
3678 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3679 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3680 sinfo
->inactive_time
))
3681 goto nla_put_failure
;
3682 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3683 STATION_INFO_RX_BYTES64
)) &&
3684 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3685 (u32
)sinfo
->rx_bytes
))
3686 goto nla_put_failure
;
3687 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3688 STATION_INFO_TX_BYTES64
)) &&
3689 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3690 (u32
)sinfo
->tx_bytes
))
3691 goto nla_put_failure
;
3692 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3693 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3695 goto nla_put_failure
;
3696 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3697 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3699 goto nla_put_failure
;
3700 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3701 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3702 goto nla_put_failure
;
3703 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3704 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3705 goto nla_put_failure
;
3706 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3707 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3708 sinfo
->plink_state
))
3709 goto nla_put_failure
;
3710 switch (rdev
->wiphy
.signal_type
) {
3711 case CFG80211_SIGNAL_TYPE_MBM
:
3712 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3713 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3715 goto nla_put_failure
;
3716 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3717 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3719 goto nla_put_failure
;
3724 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3725 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3726 sinfo
->chain_signal
,
3727 NL80211_STA_INFO_CHAIN_SIGNAL
))
3728 goto nla_put_failure
;
3730 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3731 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3732 sinfo
->chain_signal_avg
,
3733 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3734 goto nla_put_failure
;
3736 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3737 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3738 NL80211_STA_INFO_TX_BITRATE
))
3739 goto nla_put_failure
;
3741 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3742 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3743 NL80211_STA_INFO_RX_BITRATE
))
3744 goto nla_put_failure
;
3746 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3747 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3749 goto nla_put_failure
;
3750 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3751 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3753 goto nla_put_failure
;
3754 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3755 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3757 goto nla_put_failure
;
3758 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3759 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3761 goto nla_put_failure
;
3762 if ((sinfo
->filled
& STATION_INFO_EXPECTED_THROUGHPUT
) &&
3763 nla_put_u32(msg
, NL80211_STA_INFO_EXPECTED_THROUGHPUT
,
3764 sinfo
->expected_throughput
))
3765 goto nla_put_failure
;
3766 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3767 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3768 sinfo
->beacon_loss_count
))
3769 goto nla_put_failure
;
3770 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3771 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3773 goto nla_put_failure
;
3774 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3775 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3777 goto nla_put_failure
;
3778 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3779 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3781 goto nla_put_failure
;
3782 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3783 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3785 goto nla_put_failure
;
3787 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3788 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3789 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3790 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3791 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3792 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3793 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3794 sinfo
->bss_param
.dtim_period
) ||
3795 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3796 sinfo
->bss_param
.beacon_interval
))
3797 goto nla_put_failure
;
3799 nla_nest_end(msg
, bss_param
);
3801 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3802 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3803 sizeof(struct nl80211_sta_flag_update
),
3805 goto nla_put_failure
;
3806 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3807 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3809 goto nla_put_failure
;
3810 nla_nest_end(msg
, sinfoattr
);
3812 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3813 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3814 sinfo
->assoc_req_ies
))
3815 goto nla_put_failure
;
3817 return genlmsg_end(msg
, hdr
);
3820 genlmsg_cancel(msg
, hdr
);
3824 static int nl80211_dump_station(struct sk_buff
*skb
,
3825 struct netlink_callback
*cb
)
3827 struct station_info sinfo
;
3828 struct cfg80211_registered_device
*rdev
;
3829 struct wireless_dev
*wdev
;
3830 u8 mac_addr
[ETH_ALEN
];
3831 int sta_idx
= cb
->args
[2];
3834 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3838 if (!wdev
->netdev
) {
3843 if (!rdev
->ops
->dump_station
) {
3849 memset(&sinfo
, 0, sizeof(sinfo
));
3850 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3857 if (nl80211_send_station(skb
,
3858 NETLINK_CB(cb
->skb
).portid
,
3859 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3860 rdev
, wdev
->netdev
, mac_addr
,
3869 cb
->args
[2] = sta_idx
;
3872 nl80211_finish_wdev_dump(rdev
);
3877 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3879 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3880 struct net_device
*dev
= info
->user_ptr
[1];
3881 struct station_info sinfo
;
3882 struct sk_buff
*msg
;
3883 u8
*mac_addr
= NULL
;
3886 memset(&sinfo
, 0, sizeof(sinfo
));
3888 if (!info
->attrs
[NL80211_ATTR_MAC
])
3891 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3893 if (!rdev
->ops
->get_station
)
3896 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3900 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3904 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3905 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3910 return genlmsg_reply(msg
, info
);
3913 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3914 struct station_parameters
*params
,
3915 enum cfg80211_station_type statype
)
3917 if (params
->listen_interval
!= -1)
3920 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3923 /* When you run into this, adjust the code below for the new flag */
3924 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3927 case CFG80211_STA_MESH_PEER_KERNEL
:
3928 case CFG80211_STA_MESH_PEER_USER
:
3930 * No ignoring the TDLS flag here -- the userspace mesh
3931 * code doesn't have the bug of including TDLS in the
3934 if (params
->sta_flags_mask
&
3935 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3936 BIT(NL80211_STA_FLAG_MFP
) |
3937 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3940 case CFG80211_STA_TDLS_PEER_SETUP
:
3941 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3942 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3944 /* ignore since it can't change */
3945 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3948 /* disallow mesh-specific things */
3949 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3951 if (params
->local_pm
)
3953 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3957 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3958 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3959 /* TDLS can't be set, ... */
3960 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3963 * ... but don't bother the driver with it. This works around
3964 * a hostapd/wpa_supplicant issue -- it always includes the
3965 * TLDS_PEER flag in the mask even for AP mode.
3967 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3970 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3971 /* reject other things that can't change */
3972 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3974 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3976 if (params
->supported_rates
)
3978 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3982 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3988 case CFG80211_STA_AP_MLME_CLIENT
:
3989 /* Use this only for authorizing/unauthorizing a station */
3990 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3993 case CFG80211_STA_AP_CLIENT
:
3994 /* accept only the listed bits */
3995 if (params
->sta_flags_mask
&
3996 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3997 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3998 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3999 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4000 BIT(NL80211_STA_FLAG_WME
) |
4001 BIT(NL80211_STA_FLAG_MFP
)))
4004 /* but authenticated/associated only if driver handles it */
4005 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4006 params
->sta_flags_mask
&
4007 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4008 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4011 case CFG80211_STA_IBSS
:
4012 case CFG80211_STA_AP_STA
:
4013 /* reject any changes other than AUTHORIZED */
4014 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4017 case CFG80211_STA_TDLS_PEER_SETUP
:
4018 /* reject any changes other than AUTHORIZED or WME */
4019 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4020 BIT(NL80211_STA_FLAG_WME
)))
4022 /* force (at least) rates when authorizing */
4023 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4024 !params
->supported_rates
)
4027 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4028 /* reject any changes */
4030 case CFG80211_STA_MESH_PEER_KERNEL
:
4031 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4034 case CFG80211_STA_MESH_PEER_USER
:
4035 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4042 EXPORT_SYMBOL(cfg80211_check_station_change
);
4045 * Get vlan interface making sure it is running and on the right wiphy.
4047 static struct net_device
*get_vlan(struct genl_info
*info
,
4048 struct cfg80211_registered_device
*rdev
)
4050 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4051 struct net_device
*v
;
4057 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4059 return ERR_PTR(-ENODEV
);
4061 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4066 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4067 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4068 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4073 if (!netif_running(v
)) {
4081 return ERR_PTR(ret
);
4084 static const struct nla_policy
4085 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4086 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4087 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4090 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4091 struct station_parameters
*params
)
4093 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4097 /* parse WME attributes if present */
4098 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4101 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4102 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4103 nl80211_sta_wme_policy
);
4107 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4108 params
->uapsd_queues
= nla_get_u8(
4109 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4110 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4113 if (tb
[NL80211_STA_WME_MAX_SP
])
4114 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4116 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4119 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4124 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4125 struct station_parameters
*params
)
4127 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4128 params
->supported_channels
=
4129 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4130 params
->supported_channels_len
=
4131 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4133 * Need to include at least one (first channel, number of
4134 * channels) tuple for each subband, and must have proper
4135 * tuples for the rest of the data as well.
4137 if (params
->supported_channels_len
< 2)
4139 if (params
->supported_channels_len
% 2)
4143 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4144 params
->supported_oper_classes
=
4145 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4146 params
->supported_oper_classes_len
=
4147 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4149 * The value of the Length field of the Supported Operating
4150 * Classes element is between 2 and 253.
4152 if (params
->supported_oper_classes_len
< 2 ||
4153 params
->supported_oper_classes_len
> 253)
4159 static int nl80211_set_station_tdls(struct genl_info
*info
,
4160 struct station_parameters
*params
)
4163 /* Dummy STA entry gets updated once the peer capabilities are known */
4164 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4165 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4166 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4168 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4169 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4171 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4173 err
= nl80211_parse_sta_channel_info(info
, params
);
4177 return nl80211_parse_sta_wme(info
, params
);
4180 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4182 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4183 struct net_device
*dev
= info
->user_ptr
[1];
4184 struct station_parameters params
;
4188 memset(¶ms
, 0, sizeof(params
));
4190 params
.listen_interval
= -1;
4192 if (!rdev
->ops
->change_station
)
4195 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4198 if (!info
->attrs
[NL80211_ATTR_MAC
])
4201 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4203 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4204 params
.supported_rates
=
4205 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4206 params
.supported_rates_len
=
4207 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4210 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4212 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4213 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4216 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4218 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4219 params
.ext_capab_len
=
4220 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4223 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4226 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4229 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4230 params
.plink_action
=
4231 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4232 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4236 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4237 params
.plink_state
=
4238 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4239 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4241 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4244 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4245 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4246 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4248 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4249 pm
> NL80211_MESH_POWER_MAX
)
4252 params
.local_pm
= pm
;
4255 /* Include parameters for TDLS peer (will check later) */
4256 err
= nl80211_set_station_tdls(info
, ¶ms
);
4260 params
.vlan
= get_vlan(info
, rdev
);
4261 if (IS_ERR(params
.vlan
))
4262 return PTR_ERR(params
.vlan
);
4264 switch (dev
->ieee80211_ptr
->iftype
) {
4265 case NL80211_IFTYPE_AP
:
4266 case NL80211_IFTYPE_AP_VLAN
:
4267 case NL80211_IFTYPE_P2P_GO
:
4268 case NL80211_IFTYPE_P2P_CLIENT
:
4269 case NL80211_IFTYPE_STATION
:
4270 case NL80211_IFTYPE_ADHOC
:
4271 case NL80211_IFTYPE_MESH_POINT
:
4278 /* driver will call cfg80211_check_station_change() */
4279 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4283 dev_put(params
.vlan
);
4288 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4290 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4292 struct net_device
*dev
= info
->user_ptr
[1];
4293 struct station_parameters params
;
4294 u8
*mac_addr
= NULL
;
4296 memset(¶ms
, 0, sizeof(params
));
4298 if (!rdev
->ops
->add_station
)
4301 if (!info
->attrs
[NL80211_ATTR_MAC
])
4304 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4307 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4310 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4311 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4314 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4315 params
.supported_rates
=
4316 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4317 params
.supported_rates_len
=
4318 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4319 params
.listen_interval
=
4320 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4322 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4323 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4325 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4326 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4329 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4331 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4332 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4335 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4337 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4338 params
.ext_capab_len
=
4339 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4342 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4344 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4346 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4348 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4350 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4351 params
.opmode_notif_used
= true;
4352 params
.opmode_notif
=
4353 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4356 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4357 params
.plink_action
=
4358 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4359 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4363 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4367 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4371 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4374 /* When you run into this, adjust the code below for the new flag */
4375 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4377 switch (dev
->ieee80211_ptr
->iftype
) {
4378 case NL80211_IFTYPE_AP
:
4379 case NL80211_IFTYPE_AP_VLAN
:
4380 case NL80211_IFTYPE_P2P_GO
:
4381 /* ignore WME attributes if iface/sta is not capable */
4382 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4383 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4384 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4386 /* TDLS peers cannot be added */
4387 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4388 info
->attrs
[NL80211_ATTR_PEER_AID
])
4390 /* but don't bother the driver with it */
4391 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4393 /* allow authenticated/associated only if driver handles it */
4394 if (!(rdev
->wiphy
.features
&
4395 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4396 params
.sta_flags_mask
&
4397 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4398 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4401 /* must be last in here for error handling */
4402 params
.vlan
= get_vlan(info
, rdev
);
4403 if (IS_ERR(params
.vlan
))
4404 return PTR_ERR(params
.vlan
);
4406 case NL80211_IFTYPE_MESH_POINT
:
4407 /* ignore uAPSD data */
4408 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4410 /* associated is disallowed */
4411 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4413 /* TDLS peers cannot be added */
4414 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4415 info
->attrs
[NL80211_ATTR_PEER_AID
])
4418 case NL80211_IFTYPE_STATION
:
4419 case NL80211_IFTYPE_P2P_CLIENT
:
4420 /* ignore uAPSD data */
4421 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4423 /* these are disallowed */
4424 if (params
.sta_flags_mask
&
4425 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4426 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4428 /* Only TDLS peers can be added */
4429 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4431 /* Can only add if TDLS ... */
4432 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4434 /* ... with external setup is supported */
4435 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4438 * Older wpa_supplicant versions always mark the TDLS peer
4439 * as authorized, but it shouldn't yet be.
4441 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4447 /* be aware of params.vlan when changing code here */
4449 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4452 dev_put(params
.vlan
);
4456 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4458 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4459 struct net_device
*dev
= info
->user_ptr
[1];
4460 struct station_del_parameters params
;
4462 memset(¶ms
, 0, sizeof(params
));
4464 if (info
->attrs
[NL80211_ATTR_MAC
])
4465 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4467 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4468 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4469 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4470 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4473 if (!rdev
->ops
->del_station
)
4476 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4478 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4479 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4480 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4483 /* Default to Deauthentication frame */
4484 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4487 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4488 params
.reason_code
=
4489 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4490 if (params
.reason_code
== 0)
4491 return -EINVAL
; /* 0 is reserved */
4493 /* Default to reason code 2 */
4494 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4497 return rdev_del_station(rdev
, dev
, ¶ms
);
4500 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4501 int flags
, struct net_device
*dev
,
4502 u8
*dst
, u8
*next_hop
,
4503 struct mpath_info
*pinfo
)
4506 struct nlattr
*pinfoattr
;
4508 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4512 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4513 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4514 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4515 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4516 goto nla_put_failure
;
4518 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4520 goto nla_put_failure
;
4521 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4522 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4524 goto nla_put_failure
;
4525 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4526 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4527 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4528 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4530 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4531 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4533 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4534 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4536 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4537 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4538 pinfo
->discovery_timeout
)) ||
4539 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4540 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4541 pinfo
->discovery_retries
)))
4542 goto nla_put_failure
;
4544 nla_nest_end(msg
, pinfoattr
);
4546 return genlmsg_end(msg
, hdr
);
4549 genlmsg_cancel(msg
, hdr
);
4553 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4554 struct netlink_callback
*cb
)
4556 struct mpath_info pinfo
;
4557 struct cfg80211_registered_device
*rdev
;
4558 struct wireless_dev
*wdev
;
4560 u8 next_hop
[ETH_ALEN
];
4561 int path_idx
= cb
->args
[2];
4564 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4568 if (!rdev
->ops
->dump_mpath
) {
4573 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4579 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4586 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4587 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4588 wdev
->netdev
, dst
, next_hop
,
4597 cb
->args
[2] = path_idx
;
4600 nl80211_finish_wdev_dump(rdev
);
4604 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4606 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4608 struct net_device
*dev
= info
->user_ptr
[1];
4609 struct mpath_info pinfo
;
4610 struct sk_buff
*msg
;
4612 u8 next_hop
[ETH_ALEN
];
4614 memset(&pinfo
, 0, sizeof(pinfo
));
4616 if (!info
->attrs
[NL80211_ATTR_MAC
])
4619 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4621 if (!rdev
->ops
->get_mpath
)
4624 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4627 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4631 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4635 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4636 dev
, dst
, next_hop
, &pinfo
) < 0) {
4641 return genlmsg_reply(msg
, info
);
4644 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4646 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4647 struct net_device
*dev
= info
->user_ptr
[1];
4649 u8
*next_hop
= NULL
;
4651 if (!info
->attrs
[NL80211_ATTR_MAC
])
4654 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4657 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4658 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4660 if (!rdev
->ops
->change_mpath
)
4663 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4666 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4669 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4671 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4672 struct net_device
*dev
= info
->user_ptr
[1];
4674 u8
*next_hop
= NULL
;
4676 if (!info
->attrs
[NL80211_ATTR_MAC
])
4679 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4682 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4683 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4685 if (!rdev
->ops
->add_mpath
)
4688 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4691 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4694 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4696 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4697 struct net_device
*dev
= info
->user_ptr
[1];
4700 if (info
->attrs
[NL80211_ATTR_MAC
])
4701 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4703 if (!rdev
->ops
->del_mpath
)
4706 return rdev_del_mpath(rdev
, dev
, dst
);
4709 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4711 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4713 struct net_device
*dev
= info
->user_ptr
[1];
4714 struct mpath_info pinfo
;
4715 struct sk_buff
*msg
;
4719 memset(&pinfo
, 0, sizeof(pinfo
));
4721 if (!info
->attrs
[NL80211_ATTR_MAC
])
4724 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4726 if (!rdev
->ops
->get_mpp
)
4729 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4732 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4736 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4740 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4741 dev
, dst
, mpp
, &pinfo
) < 0) {
4746 return genlmsg_reply(msg
, info
);
4749 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4750 struct netlink_callback
*cb
)
4752 struct mpath_info pinfo
;
4753 struct cfg80211_registered_device
*rdev
;
4754 struct wireless_dev
*wdev
;
4757 int path_idx
= cb
->args
[2];
4760 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4764 if (!rdev
->ops
->dump_mpp
) {
4769 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4775 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4782 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4783 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4784 wdev
->netdev
, dst
, mpp
,
4792 cb
->args
[2] = path_idx
;
4795 nl80211_finish_wdev_dump(rdev
);
4799 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4801 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4802 struct net_device
*dev
= info
->user_ptr
[1];
4803 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4804 struct bss_parameters params
;
4807 memset(¶ms
, 0, sizeof(params
));
4808 /* default to not changing parameters */
4809 params
.use_cts_prot
= -1;
4810 params
.use_short_preamble
= -1;
4811 params
.use_short_slot_time
= -1;
4812 params
.ap_isolate
= -1;
4813 params
.ht_opmode
= -1;
4814 params
.p2p_ctwindow
= -1;
4815 params
.p2p_opp_ps
= -1;
4817 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4818 params
.use_cts_prot
=
4819 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4820 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4821 params
.use_short_preamble
=
4822 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4823 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4824 params
.use_short_slot_time
=
4825 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4826 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4827 params
.basic_rates
=
4828 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4829 params
.basic_rates_len
=
4830 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4832 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4833 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4834 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4836 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4838 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4839 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4841 params
.p2p_ctwindow
=
4842 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4843 if (params
.p2p_ctwindow
< 0)
4845 if (params
.p2p_ctwindow
!= 0 &&
4846 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4850 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4853 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4855 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4858 params
.p2p_opp_ps
= tmp
;
4859 if (params
.p2p_opp_ps
&&
4860 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4864 if (!rdev
->ops
->change_bss
)
4867 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4868 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4872 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4878 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4879 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4880 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4881 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4882 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4883 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4884 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4885 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4888 static int parse_reg_rule(struct nlattr
*tb
[],
4889 struct ieee80211_reg_rule
*reg_rule
)
4891 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4892 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4894 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4896 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4898 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4900 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4902 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4905 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4907 freq_range
->start_freq_khz
=
4908 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4909 freq_range
->end_freq_khz
=
4910 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4911 freq_range
->max_bandwidth_khz
=
4912 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4914 power_rule
->max_eirp
=
4915 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4917 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4918 power_rule
->max_antenna_gain
=
4919 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4921 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4922 reg_rule
->dfs_cac_ms
=
4923 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4928 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4931 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4934 * You should only get this when cfg80211 hasn't yet initialized
4935 * completely when built-in to the kernel right between the time
4936 * window between nl80211_init() and regulatory_init(), if that is
4939 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4940 return -EINPROGRESS
;
4942 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4943 user_reg_hint_type
=
4944 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4946 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4948 switch (user_reg_hint_type
) {
4949 case NL80211_USER_REG_HINT_USER
:
4950 case NL80211_USER_REG_HINT_CELL_BASE
:
4951 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4954 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4955 return regulatory_hint_user(data
, user_reg_hint_type
);
4956 case NL80211_USER_REG_HINT_INDOOR
:
4957 return regulatory_hint_indoor_user();
4963 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4964 struct genl_info
*info
)
4966 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4967 struct net_device
*dev
= info
->user_ptr
[1];
4968 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4969 struct mesh_config cur_params
;
4972 struct nlattr
*pinfoattr
;
4973 struct sk_buff
*msg
;
4975 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4978 if (!rdev
->ops
->get_mesh_config
)
4982 /* If not connected, get default parameters */
4983 if (!wdev
->mesh_id_len
)
4984 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4986 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4992 /* Draw up a netlink message to send back */
4993 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4996 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4997 NL80211_CMD_GET_MESH_CONFIG
);
5000 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5002 goto nla_put_failure
;
5003 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5004 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5005 cur_params
.dot11MeshRetryTimeout
) ||
5006 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5007 cur_params
.dot11MeshConfirmTimeout
) ||
5008 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5009 cur_params
.dot11MeshHoldingTimeout
) ||
5010 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5011 cur_params
.dot11MeshMaxPeerLinks
) ||
5012 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5013 cur_params
.dot11MeshMaxRetries
) ||
5014 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5015 cur_params
.dot11MeshTTL
) ||
5016 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5017 cur_params
.element_ttl
) ||
5018 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5019 cur_params
.auto_open_plinks
) ||
5020 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5021 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5022 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5023 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5024 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5025 cur_params
.path_refresh_time
) ||
5026 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5027 cur_params
.min_discovery_timeout
) ||
5028 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5029 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5030 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5031 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5032 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5033 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5034 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5035 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5036 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5037 cur_params
.dot11MeshHWMPRootMode
) ||
5038 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5039 cur_params
.dot11MeshHWMPRannInterval
) ||
5040 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5041 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5042 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5043 cur_params
.dot11MeshForwarding
) ||
5044 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5045 cur_params
.rssi_threshold
) ||
5046 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5047 cur_params
.ht_opmode
) ||
5048 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5049 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5050 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5051 cur_params
.dot11MeshHWMProotInterval
) ||
5052 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5053 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5054 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5055 cur_params
.power_mode
) ||
5056 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5057 cur_params
.dot11MeshAwakeWindowDuration
) ||
5058 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5059 cur_params
.plink_timeout
))
5060 goto nla_put_failure
;
5061 nla_nest_end(msg
, pinfoattr
);
5062 genlmsg_end(msg
, hdr
);
5063 return genlmsg_reply(msg
, info
);
5066 genlmsg_cancel(msg
, hdr
);
5072 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5073 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5074 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5075 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5076 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5077 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5078 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5079 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5080 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5081 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5082 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5083 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5084 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5085 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5086 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5087 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5088 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5089 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5090 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5091 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5092 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5093 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5094 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5095 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5096 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5097 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5098 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5099 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5100 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5103 static const struct nla_policy
5104 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5105 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5106 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5107 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5108 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5109 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5110 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5111 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5112 .len
= IEEE80211_MAX_DATA_LEN
},
5113 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5116 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5117 struct mesh_config
*cfg
,
5120 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5123 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5126 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5128 cfg->param = fn(tb[attr]); \
5129 mask |= (1 << (attr - 1)); \
5134 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5136 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5137 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5138 nl80211_meshconf_params_policy
))
5141 /* This makes sure that there aren't more than 32 mesh config
5142 * parameters (otherwise our bitfield scheme would not work.) */
5143 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5145 /* Fill in the params struct */
5146 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5147 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5149 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5150 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5152 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5153 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5155 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5156 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5158 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5159 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5161 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5162 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5163 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5164 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5166 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5167 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5169 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5171 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5173 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5174 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5176 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5177 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5179 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5180 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5182 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5184 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5186 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5188 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5190 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5192 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5194 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5195 dot11MeshHWMPnetDiameterTraversalTime
,
5197 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5199 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5200 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5202 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5203 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5205 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5206 dot11MeshGateAnnouncementProtocol
, 0, 1,
5207 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5209 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5210 mask
, NL80211_MESHCONF_FORWARDING
,
5212 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5213 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5215 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5216 mask
, NL80211_MESHCONF_HT_OPMODE
,
5218 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5220 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5222 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5223 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5225 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5226 dot11MeshHWMPconfirmationInterval
,
5228 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5230 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5231 NL80211_MESH_POWER_ACTIVE
,
5232 NL80211_MESH_POWER_MAX
,
5233 mask
, NL80211_MESHCONF_POWER_MODE
,
5235 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5237 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5238 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5239 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5246 #undef FILL_IN_MESH_PARAM_IF_SET
5249 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5250 struct mesh_setup
*setup
)
5252 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5253 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5255 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5257 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5258 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5259 nl80211_mesh_setup_params_policy
))
5262 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5263 setup
->sync_method
=
5264 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5265 IEEE80211_SYNC_METHOD_VENDOR
:
5266 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5268 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5269 setup
->path_sel_proto
=
5270 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5271 IEEE80211_PATH_PROTOCOL_VENDOR
:
5272 IEEE80211_PATH_PROTOCOL_HWMP
;
5274 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5275 setup
->path_metric
=
5276 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5277 IEEE80211_PATH_METRIC_VENDOR
:
5278 IEEE80211_PATH_METRIC_AIRTIME
;
5281 if (tb
[NL80211_MESH_SETUP_IE
]) {
5282 struct nlattr
*ieattr
=
5283 tb
[NL80211_MESH_SETUP_IE
];
5284 if (!is_valid_ie_attr(ieattr
))
5286 setup
->ie
= nla_data(ieattr
);
5287 setup
->ie_len
= nla_len(ieattr
);
5289 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5290 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5292 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5293 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5294 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5295 if (setup
->is_secure
)
5296 setup
->user_mpm
= true;
5298 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5299 if (!setup
->user_mpm
)
5302 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5308 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5309 struct genl_info
*info
)
5311 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5312 struct net_device
*dev
= info
->user_ptr
[1];
5313 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5314 struct mesh_config cfg
;
5318 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5321 if (!rdev
->ops
->update_mesh_config
)
5324 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5329 if (!wdev
->mesh_id_len
)
5333 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5340 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
5341 struct sk_buff
*msg
)
5343 struct nlattr
*nl_reg_rules
;
5346 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5347 (regdom
->dfs_region
&&
5348 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5349 goto nla_put_failure
;
5351 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5353 goto nla_put_failure
;
5355 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5356 struct nlattr
*nl_reg_rule
;
5357 const struct ieee80211_reg_rule
*reg_rule
;
5358 const struct ieee80211_freq_range
*freq_range
;
5359 const struct ieee80211_power_rule
*power_rule
;
5360 unsigned int max_bandwidth_khz
;
5362 reg_rule
= ®dom
->reg_rules
[i
];
5363 freq_range
= ®_rule
->freq_range
;
5364 power_rule
= ®_rule
->power_rule
;
5366 nl_reg_rule
= nla_nest_start(msg
, i
);
5368 goto nla_put_failure
;
5370 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5371 if (!max_bandwidth_khz
)
5372 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5375 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5377 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5378 freq_range
->start_freq_khz
) ||
5379 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5380 freq_range
->end_freq_khz
) ||
5381 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5382 max_bandwidth_khz
) ||
5383 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5384 power_rule
->max_antenna_gain
) ||
5385 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5386 power_rule
->max_eirp
) ||
5387 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5388 reg_rule
->dfs_cac_ms
))
5389 goto nla_put_failure
;
5391 nla_nest_end(msg
, nl_reg_rule
);
5394 nla_nest_end(msg
, nl_reg_rules
);
5401 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
5403 const struct ieee80211_regdomain
*regdom
= NULL
;
5404 struct cfg80211_registered_device
*rdev
;
5405 struct wiphy
*wiphy
= NULL
;
5406 struct sk_buff
*msg
;
5409 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5413 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5414 NL80211_CMD_GET_REG
);
5418 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
5421 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
5424 return PTR_ERR(rdev
);
5427 wiphy
= &rdev
->wiphy
;
5428 self_managed
= wiphy
->regulatory_flags
&
5429 REGULATORY_WIPHY_SELF_MANAGED
;
5430 regdom
= get_wiphy_regdom(wiphy
);
5432 /* a self-managed-reg device must have a private regdom */
5433 if (WARN_ON(!regdom
&& self_managed
)) {
5439 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5440 goto nla_put_failure
;
5443 if (!wiphy
&& reg_last_request_cell_base() &&
5444 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5445 NL80211_USER_REG_HINT_CELL_BASE
))
5446 goto nla_put_failure
;
5451 regdom
= rcu_dereference(cfg80211_regdomain
);
5453 if (nl80211_put_regdom(regdom
, msg
))
5454 goto nla_put_failure_rcu
;
5458 genlmsg_end(msg
, hdr
);
5459 return genlmsg_reply(msg
, info
);
5461 nla_put_failure_rcu
:
5464 genlmsg_cancel(msg
, hdr
);
5470 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5471 u32 seq
, int flags
, struct wiphy
*wiphy
,
5472 const struct ieee80211_regdomain
*regdom
)
5474 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5475 NL80211_CMD_GET_REG
);
5480 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5482 if (nl80211_put_regdom(regdom
, msg
))
5483 goto nla_put_failure
;
5485 if (!wiphy
&& reg_last_request_cell_base() &&
5486 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5487 NL80211_USER_REG_HINT_CELL_BASE
))
5488 goto nla_put_failure
;
5491 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5492 goto nla_put_failure
;
5494 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
5495 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
5496 goto nla_put_failure
;
5498 return genlmsg_end(msg
, hdr
);
5501 genlmsg_cancel(msg
, hdr
);
5505 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
5506 struct netlink_callback
*cb
)
5508 const struct ieee80211_regdomain
*regdom
= NULL
;
5509 struct cfg80211_registered_device
*rdev
;
5510 int err
, reg_idx
, start
= cb
->args
[2];
5514 if (cfg80211_regdomain
&& start
== 0) {
5515 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5517 rtnl_dereference(cfg80211_regdomain
));
5522 /* the global regdom is idx 0 */
5524 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
5525 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
5529 if (++reg_idx
<= start
)
5532 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5533 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
5540 cb
->args
[2] = reg_idx
;
5547 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5549 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5550 struct nlattr
*nl_reg_rule
;
5552 int rem_reg_rules
, r
;
5553 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5554 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5555 struct ieee80211_regdomain
*rd
;
5557 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5560 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5563 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5565 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5566 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5568 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5571 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5575 if (!reg_is_valid_request(alpha2
))
5578 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5579 num_rules
* sizeof(struct ieee80211_reg_rule
);
5581 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5585 rd
->n_reg_rules
= num_rules
;
5586 rd
->alpha2
[0] = alpha2
[0];
5587 rd
->alpha2
[1] = alpha2
[1];
5590 * Disable DFS master mode if the DFS region was
5591 * not supported or known on this kernel.
5593 if (reg_supported_dfs_region(dfs_region
))
5594 rd
->dfs_region
= dfs_region
;
5596 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5598 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5599 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5603 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5609 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5616 /* set_regdom took ownership */
5624 static int validate_scan_freqs(struct nlattr
*freqs
)
5626 struct nlattr
*attr1
, *attr2
;
5627 int n_channels
= 0, tmp1
, tmp2
;
5629 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5632 * Some hardware has a limited channel list for
5633 * scanning, and it is pretty much nonsensical
5634 * to scan for a channel twice, so disallow that
5635 * and don't require drivers to check that the
5636 * channel list they get isn't longer than what
5637 * they can scan, as long as they can scan all
5638 * the channels they registered at once.
5640 nla_for_each_nested(attr2
, freqs
, tmp2
)
5641 if (attr1
!= attr2
&&
5642 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5649 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5650 u8
*mac_addr
, u8
*mac_addr_mask
)
5654 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5655 memset(mac_addr
, 0, ETH_ALEN
);
5656 memset(mac_addr_mask
, 0, ETH_ALEN
);
5658 mac_addr_mask
[0] = 0x3;
5663 /* need both or none */
5664 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5667 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5668 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5670 /* don't allow or configure an mcast address */
5671 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5672 is_multicast_ether_addr(mac_addr
))
5676 * allow users to pass a MAC address that has bits set outside
5677 * of the mask, but don't bother drivers with having to deal
5680 for (i
= 0; i
< ETH_ALEN
; i
++)
5681 mac_addr
[i
] &= mac_addr_mask
[i
];
5686 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5688 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5689 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5690 struct cfg80211_scan_request
*request
;
5691 struct nlattr
*attr
;
5692 struct wiphy
*wiphy
;
5693 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5696 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5699 wiphy
= &rdev
->wiphy
;
5701 if (!rdev
->ops
->scan
)
5704 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5709 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5710 n_channels
= validate_scan_freqs(
5711 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5717 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5720 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5721 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5724 if (n_ssids
> wiphy
->max_scan_ssids
) {
5729 if (info
->attrs
[NL80211_ATTR_IE
])
5730 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5734 if (ie_len
> wiphy
->max_scan_ie_len
) {
5739 request
= kzalloc(sizeof(*request
)
5740 + sizeof(*request
->ssids
) * n_ssids
5741 + sizeof(*request
->channels
) * n_channels
5742 + ie_len
, GFP_KERNEL
);
5749 request
->ssids
= (void *)&request
->channels
[n_channels
];
5750 request
->n_ssids
= n_ssids
;
5753 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5755 request
->ie
= (void *)(request
->channels
+ n_channels
);
5759 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5760 /* user specified, bail out if channel not found */
5761 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5762 struct ieee80211_channel
*chan
;
5764 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5771 /* ignore disabled channels */
5772 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5775 request
->channels
[i
] = chan
;
5779 enum ieee80211_band band
;
5782 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5784 if (!wiphy
->bands
[band
])
5786 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5787 struct ieee80211_channel
*chan
;
5789 chan
= &wiphy
->bands
[band
]->channels
[j
];
5791 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5794 request
->channels
[i
] = chan
;
5805 request
->n_channels
= i
;
5808 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5809 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5810 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5814 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5815 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5820 if (info
->attrs
[NL80211_ATTR_IE
]) {
5821 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5822 memcpy((void *)request
->ie
,
5823 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5827 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5828 if (wiphy
->bands
[i
])
5830 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5832 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5833 nla_for_each_nested(attr
,
5834 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5836 enum ieee80211_band band
= nla_type(attr
);
5838 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5843 if (!wiphy
->bands
[band
])
5846 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5849 &request
->rates
[band
]);
5855 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5856 request
->flags
= nla_get_u32(
5857 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5858 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5859 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5864 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5865 if (!(wiphy
->features
&
5866 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5871 if (wdev
->current_bss
) {
5876 err
= nl80211_parse_random_mac(info
->attrs
,
5878 request
->mac_addr_mask
);
5885 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5887 request
->wdev
= wdev
;
5888 request
->wiphy
= &rdev
->wiphy
;
5889 request
->scan_start
= jiffies
;
5891 rdev
->scan_req
= request
;
5892 err
= rdev_scan(rdev
, request
);
5895 nl80211_send_scan_start(rdev
, wdev
);
5897 dev_hold(wdev
->netdev
);
5900 rdev
->scan_req
= NULL
;
5908 static struct cfg80211_sched_scan_request
*
5909 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
5910 struct nlattr
**attrs
)
5912 struct cfg80211_sched_scan_request
*request
;
5913 struct nlattr
*attr
;
5914 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5916 enum ieee80211_band band
;
5918 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5919 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5921 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
5922 return ERR_PTR(-EINVAL
);
5924 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5925 return ERR_PTR(-EINVAL
);
5927 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5929 return ERR_PTR(-EINVAL
);
5931 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5932 n_channels
= validate_scan_freqs(
5933 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5935 return ERR_PTR(-EINVAL
);
5937 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5940 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
5941 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5945 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5946 return ERR_PTR(-EINVAL
);
5949 * First, count the number of 'real' matchsets. Due to an issue with
5950 * the old implementation, matchsets containing only the RSSI attribute
5951 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5952 * RSSI for all matchsets, rather than their own matchset for reporting
5953 * all APs with a strong RSSI. This is needed to be compatible with
5954 * older userspace that treated a matchset with only the RSSI as the
5955 * global RSSI for all other matchsets - if there are other matchsets.
5957 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5958 nla_for_each_nested(attr
,
5959 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5961 struct nlattr
*rssi
;
5963 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5964 nla_data(attr
), nla_len(attr
),
5965 nl80211_match_policy
);
5967 return ERR_PTR(err
);
5968 /* add other standalone attributes here */
5969 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5973 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5975 default_match_rssi
= nla_get_s32(rssi
);
5979 /* However, if there's no other matchset, add the RSSI one */
5980 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5983 if (n_match_sets
> wiphy
->max_match_sets
)
5984 return ERR_PTR(-EINVAL
);
5986 if (attrs
[NL80211_ATTR_IE
])
5987 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
5991 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5992 return ERR_PTR(-EINVAL
);
5994 request
= kzalloc(sizeof(*request
)
5995 + sizeof(*request
->ssids
) * n_ssids
5996 + sizeof(*request
->match_sets
) * n_match_sets
5997 + sizeof(*request
->channels
) * n_channels
5998 + ie_len
, GFP_KERNEL
);
6000 return ERR_PTR(-ENOMEM
);
6003 request
->ssids
= (void *)&request
->channels
[n_channels
];
6004 request
->n_ssids
= n_ssids
;
6007 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6009 request
->ie
= (void *)(request
->channels
+ n_channels
);
6014 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6015 else if (request
->ssids
)
6016 request
->match_sets
=
6017 (void *)(request
->ssids
+ n_ssids
);
6019 request
->match_sets
=
6020 (void *)(request
->channels
+ n_channels
);
6022 request
->n_match_sets
= n_match_sets
;
6025 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6026 /* user specified, bail out if channel not found */
6027 nla_for_each_nested(attr
,
6028 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6030 struct ieee80211_channel
*chan
;
6032 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6039 /* ignore disabled channels */
6040 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6043 request
->channels
[i
] = chan
;
6048 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6050 if (!wiphy
->bands
[band
])
6052 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6053 struct ieee80211_channel
*chan
;
6055 chan
= &wiphy
->bands
[band
]->channels
[j
];
6057 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6060 request
->channels
[i
] = chan
;
6071 request
->n_channels
= i
;
6074 if (attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
6075 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6077 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6081 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6082 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6089 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6090 nla_for_each_nested(attr
,
6091 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6093 struct nlattr
*ssid
, *rssi
;
6095 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6096 nla_data(attr
), nla_len(attr
),
6097 nl80211_match_policy
);
6100 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6102 if (WARN_ON(i
>= n_match_sets
)) {
6103 /* this indicates a programming error,
6104 * the loop above should have verified
6111 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6115 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6116 nla_data(ssid
), nla_len(ssid
));
6117 request
->match_sets
[i
].ssid
.ssid_len
=
6119 /* special attribute - old implemenation w/a */
6120 request
->match_sets
[i
].rssi_thold
=
6122 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6124 request
->match_sets
[i
].rssi_thold
=
6130 /* there was no other matchset, so the RSSI one is alone */
6131 if (i
== 0 && n_match_sets
)
6132 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6134 request
->min_rssi_thold
= INT_MAX
;
6135 for (i
= 0; i
< n_match_sets
; i
++)
6136 request
->min_rssi_thold
=
6137 min(request
->match_sets
[i
].rssi_thold
,
6138 request
->min_rssi_thold
);
6140 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6144 request
->ie_len
= ie_len
;
6145 memcpy((void *)request
->ie
,
6146 nla_data(attrs
[NL80211_ATTR_IE
]),
6150 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6151 request
->flags
= nla_get_u32(
6152 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6153 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6154 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6159 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6160 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6162 if (!wdev
) /* must be net-detect */
6163 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6165 if (!(wiphy
->features
& flg
)) {
6170 if (wdev
&& wdev
->current_bss
) {
6175 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6176 request
->mac_addr_mask
);
6182 request
->interval
= interval
;
6183 request
->scan_start
= jiffies
;
6189 return ERR_PTR(err
);
6192 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6193 struct genl_info
*info
)
6195 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6196 struct net_device
*dev
= info
->user_ptr
[1];
6197 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6198 struct cfg80211_sched_scan_request
*sched_scan_req
;
6201 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6202 !rdev
->ops
->sched_scan_start
)
6205 if (rdev
->sched_scan_req
)
6206 return -EINPROGRESS
;
6208 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6211 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
6215 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
6219 sched_scan_req
->dev
= dev
;
6220 sched_scan_req
->wiphy
= &rdev
->wiphy
;
6222 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
6223 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
6225 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
6227 nl80211_send_sched_scan(rdev
, dev
,
6228 NL80211_CMD_START_SCHED_SCAN
);
6232 kfree(sched_scan_req
);
6237 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6238 struct genl_info
*info
)
6240 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6242 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6243 !rdev
->ops
->sched_scan_stop
)
6246 return __cfg80211_stop_sched_scan(rdev
, false);
6249 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6250 struct genl_info
*info
)
6252 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6253 struct net_device
*dev
= info
->user_ptr
[1];
6254 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6255 struct cfg80211_chan_def chandef
;
6256 enum nl80211_dfs_regions dfs_region
;
6257 unsigned int cac_time_ms
;
6260 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6261 if (dfs_region
== NL80211_DFS_UNSET
)
6264 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6268 if (netif_carrier_ok(dev
))
6271 if (wdev
->cac_started
)
6274 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6282 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6285 if (!rdev
->ops
->start_radar_detection
)
6288 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6289 if (WARN_ON(!cac_time_ms
))
6290 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6292 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6295 wdev
->chandef
= chandef
;
6296 wdev
->cac_started
= true;
6297 wdev
->cac_start_time
= jiffies
;
6298 wdev
->cac_time_ms
= cac_time_ms
;
6303 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6305 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6306 struct net_device
*dev
= info
->user_ptr
[1];
6307 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6308 struct cfg80211_csa_settings params
;
6309 /* csa_attrs is defined static to avoid waste of stack size - this
6310 * function is called under RTNL lock, so this should not be a problem.
6312 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6314 bool need_new_beacon
= false;
6318 if (!rdev
->ops
->channel_switch
||
6319 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6322 switch (dev
->ieee80211_ptr
->iftype
) {
6323 case NL80211_IFTYPE_AP
:
6324 case NL80211_IFTYPE_P2P_GO
:
6325 need_new_beacon
= true;
6327 /* useless if AP is not running */
6328 if (!wdev
->beacon_interval
)
6331 case NL80211_IFTYPE_ADHOC
:
6332 if (!wdev
->ssid_len
)
6335 case NL80211_IFTYPE_MESH_POINT
:
6336 if (!wdev
->mesh_id_len
)
6343 memset(¶ms
, 0, sizeof(params
));
6345 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6346 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6349 /* only important for AP, IBSS and mesh create IEs internally */
6350 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6353 /* Even though the attribute is u32, the specification says
6354 * u8, so let's make sure we don't overflow.
6356 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6360 params
.count
= cs_count
;
6362 if (!need_new_beacon
)
6365 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6369 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6370 info
->attrs
[NL80211_ATTR_CSA_IES
],
6375 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6379 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6382 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6383 if (!len
|| (len
% sizeof(u16
)))
6386 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6387 if (rdev
->wiphy
.max_num_csa_counters
&&
6388 (params
.n_counter_offsets_beacon
>
6389 rdev
->wiphy
.max_num_csa_counters
))
6392 params
.counter_offsets_beacon
=
6393 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6395 /* sanity checks - counters should fit and be the same */
6396 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6397 u16 offset
= params
.counter_offsets_beacon
[i
];
6399 if (offset
>= params
.beacon_csa
.tail_len
)
6402 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6406 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6407 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6408 if (!len
|| (len
% sizeof(u16
)))
6411 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6412 if (rdev
->wiphy
.max_num_csa_counters
&&
6413 (params
.n_counter_offsets_beacon
>
6414 rdev
->wiphy
.max_num_csa_counters
))
6417 params
.counter_offsets_presp
=
6418 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6420 /* sanity checks - counters should fit and be the same */
6421 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6422 u16 offset
= params
.counter_offsets_presp
[i
];
6424 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6427 if (params
.beacon_csa
.probe_resp
[offset
] !=
6434 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6438 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6442 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6449 params
.radar_required
= true;
6451 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6452 params
.block_tx
= true;
6455 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6461 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6463 struct cfg80211_registered_device
*rdev
,
6464 struct wireless_dev
*wdev
,
6465 struct cfg80211_internal_bss
*intbss
)
6467 struct cfg80211_bss
*res
= &intbss
->pub
;
6468 const struct cfg80211_bss_ies
*ies
;
6472 ASSERT_WDEV_LOCK(wdev
);
6474 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6475 NL80211_CMD_NEW_SCAN_RESULTS
);
6479 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6481 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6482 goto nla_put_failure
;
6484 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6485 goto nla_put_failure
;
6486 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6487 goto nla_put_failure
;
6489 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6491 goto nla_put_failure
;
6492 if ((!is_zero_ether_addr(res
->bssid
) &&
6493 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6494 goto nla_put_failure
;
6497 /* indicate whether we have probe response data or not */
6498 if (rcu_access_pointer(res
->proberesp_ies
) &&
6499 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6500 goto fail_unlock_rcu
;
6502 /* this pointer prefers to be pointed to probe response data
6503 * but is always valid
6505 ies
= rcu_dereference(res
->ies
);
6507 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6508 goto fail_unlock_rcu
;
6509 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6510 ies
->len
, ies
->data
))
6511 goto fail_unlock_rcu
;
6514 /* and this pointer is always (unless driver didn't know) beacon data */
6515 ies
= rcu_dereference(res
->beacon_ies
);
6516 if (ies
&& ies
->from_beacon
) {
6517 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6518 goto fail_unlock_rcu
;
6519 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6520 ies
->len
, ies
->data
))
6521 goto fail_unlock_rcu
;
6525 if (res
->beacon_interval
&&
6526 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6527 goto nla_put_failure
;
6528 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6529 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6530 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6531 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6532 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6533 goto nla_put_failure
;
6535 switch (rdev
->wiphy
.signal_type
) {
6536 case CFG80211_SIGNAL_TYPE_MBM
:
6537 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6538 goto nla_put_failure
;
6540 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6541 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6542 goto nla_put_failure
;
6548 switch (wdev
->iftype
) {
6549 case NL80211_IFTYPE_P2P_CLIENT
:
6550 case NL80211_IFTYPE_STATION
:
6551 if (intbss
== wdev
->current_bss
&&
6552 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6553 NL80211_BSS_STATUS_ASSOCIATED
))
6554 goto nla_put_failure
;
6556 case NL80211_IFTYPE_ADHOC
:
6557 if (intbss
== wdev
->current_bss
&&
6558 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6559 NL80211_BSS_STATUS_IBSS_JOINED
))
6560 goto nla_put_failure
;
6566 nla_nest_end(msg
, bss
);
6568 return genlmsg_end(msg
, hdr
);
6573 genlmsg_cancel(msg
, hdr
);
6577 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6579 struct cfg80211_registered_device
*rdev
;
6580 struct cfg80211_internal_bss
*scan
;
6581 struct wireless_dev
*wdev
;
6582 int start
= cb
->args
[2], idx
= 0;
6585 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6590 spin_lock_bh(&rdev
->bss_lock
);
6591 cfg80211_bss_expire(rdev
);
6593 cb
->seq
= rdev
->bss_generation
;
6595 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6598 if (nl80211_send_bss(skb
, cb
,
6599 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6600 rdev
, wdev
, scan
) < 0) {
6606 spin_unlock_bh(&rdev
->bss_lock
);
6610 nl80211_finish_wdev_dump(rdev
);
6615 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6616 int flags
, struct net_device
*dev
,
6617 struct survey_info
*survey
)
6620 struct nlattr
*infoattr
;
6622 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6623 NL80211_CMD_NEW_SURVEY_RESULTS
);
6627 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6628 goto nla_put_failure
;
6630 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6632 goto nla_put_failure
;
6634 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6635 survey
->channel
->center_freq
))
6636 goto nla_put_failure
;
6638 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6639 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6640 goto nla_put_failure
;
6641 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6642 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6643 goto nla_put_failure
;
6644 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6645 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6646 survey
->channel_time
))
6647 goto nla_put_failure
;
6648 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6649 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6650 survey
->channel_time_busy
))
6651 goto nla_put_failure
;
6652 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6653 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6654 survey
->channel_time_ext_busy
))
6655 goto nla_put_failure
;
6656 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6657 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6658 survey
->channel_time_rx
))
6659 goto nla_put_failure
;
6660 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6661 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6662 survey
->channel_time_tx
))
6663 goto nla_put_failure
;
6665 nla_nest_end(msg
, infoattr
);
6667 return genlmsg_end(msg
, hdr
);
6670 genlmsg_cancel(msg
, hdr
);
6674 static int nl80211_dump_survey(struct sk_buff
*skb
,
6675 struct netlink_callback
*cb
)
6677 struct survey_info survey
;
6678 struct cfg80211_registered_device
*rdev
;
6679 struct wireless_dev
*wdev
;
6680 int survey_idx
= cb
->args
[2];
6683 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6687 if (!wdev
->netdev
) {
6692 if (!rdev
->ops
->dump_survey
) {
6698 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6704 /* Survey without a channel doesn't make sense */
6705 if (!survey
.channel
) {
6710 if (survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
6715 if (nl80211_send_survey(skb
,
6716 NETLINK_CB(cb
->skb
).portid
,
6717 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6718 wdev
->netdev
, &survey
) < 0)
6724 cb
->args
[2] = survey_idx
;
6727 nl80211_finish_wdev_dump(rdev
);
6731 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6733 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6734 NL80211_WPA_VERSION_2
));
6737 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6739 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6740 struct net_device
*dev
= info
->user_ptr
[1];
6741 struct ieee80211_channel
*chan
;
6742 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6743 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6744 enum nl80211_auth_type auth_type
;
6745 struct key_parse key
;
6746 bool local_state_change
;
6748 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6751 if (!info
->attrs
[NL80211_ATTR_MAC
])
6754 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6757 if (!info
->attrs
[NL80211_ATTR_SSID
])
6760 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6763 err
= nl80211_parse_key(info
, &key
);
6768 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6770 if (!key
.p
.key
|| !key
.p
.key_len
)
6772 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6773 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6774 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6775 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6787 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6788 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6797 if (!rdev
->ops
->auth
)
6800 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6801 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6804 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6805 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6806 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6810 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6811 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6813 if (info
->attrs
[NL80211_ATTR_IE
]) {
6814 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6815 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6818 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6819 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6822 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6823 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6826 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6827 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6829 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6830 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6831 /* need to include at least Auth Transaction and Status Code */
6832 if (sae_data_len
< 4)
6836 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6839 * Since we no longer track auth state, ignore
6840 * requests to only change local state.
6842 if (local_state_change
)
6845 wdev_lock(dev
->ieee80211_ptr
);
6846 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6847 ssid
, ssid_len
, ie
, ie_len
,
6848 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6849 sae_data
, sae_data_len
);
6850 wdev_unlock(dev
->ieee80211_ptr
);
6854 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6855 struct genl_info
*info
,
6856 struct cfg80211_crypto_settings
*settings
,
6859 memset(settings
, 0, sizeof(*settings
));
6861 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6863 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6865 proto
= nla_get_u16(
6866 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6867 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6868 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6871 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6872 settings
->control_port_no_encrypt
= true;
6874 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6876 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6880 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6881 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6882 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6884 if (len
% sizeof(u32
))
6887 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6890 memcpy(settings
->ciphers_pairwise
, data
, len
);
6892 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6893 if (!cfg80211_supported_cipher_suite(
6895 settings
->ciphers_pairwise
[i
]))
6899 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6900 settings
->cipher_group
=
6901 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6902 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6903 settings
->cipher_group
))
6907 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6908 settings
->wpa_versions
=
6909 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6910 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6914 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6918 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6919 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6920 settings
->n_akm_suites
= len
/ sizeof(u32
);
6922 if (len
% sizeof(u32
))
6925 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6928 memcpy(settings
->akm_suites
, data
, len
);
6934 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6936 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6937 struct net_device
*dev
= info
->user_ptr
[1];
6938 struct ieee80211_channel
*chan
;
6939 struct cfg80211_assoc_request req
= {};
6940 const u8
*bssid
, *ssid
;
6941 int err
, ssid_len
= 0;
6943 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6946 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6947 !info
->attrs
[NL80211_ATTR_SSID
] ||
6948 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6951 if (!rdev
->ops
->assoc
)
6954 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6955 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6958 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6960 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6961 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6965 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6966 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6968 if (info
->attrs
[NL80211_ATTR_IE
]) {
6969 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6970 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6973 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6974 enum nl80211_mfp mfp
=
6975 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6976 if (mfp
== NL80211_MFP_REQUIRED
)
6978 else if (mfp
!= NL80211_MFP_NO
)
6982 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6983 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6985 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6986 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6988 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6989 memcpy(&req
.ht_capa_mask
,
6990 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6991 sizeof(req
.ht_capa_mask
));
6993 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6994 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6996 memcpy(&req
.ht_capa
,
6997 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6998 sizeof(req
.ht_capa
));
7001 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7002 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7004 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7005 memcpy(&req
.vht_capa_mask
,
7006 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7007 sizeof(req
.vht_capa_mask
));
7009 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7010 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7012 memcpy(&req
.vht_capa
,
7013 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7014 sizeof(req
.vht_capa
));
7017 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7018 if (!(rdev
->wiphy
.features
&
7019 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7020 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7022 req
.flags
|= ASSOC_REQ_USE_RRM
;
7025 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
7027 wdev_lock(dev
->ieee80211_ptr
);
7028 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
7029 ssid
, ssid_len
, &req
);
7030 wdev_unlock(dev
->ieee80211_ptr
);
7036 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7038 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7039 struct net_device
*dev
= info
->user_ptr
[1];
7040 const u8
*ie
= NULL
, *bssid
;
7041 int ie_len
= 0, err
;
7043 bool local_state_change
;
7045 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7048 if (!info
->attrs
[NL80211_ATTR_MAC
])
7051 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7054 if (!rdev
->ops
->deauth
)
7057 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7058 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7061 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7063 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7064 if (reason_code
== 0) {
7065 /* Reason Code 0 is reserved */
7069 if (info
->attrs
[NL80211_ATTR_IE
]) {
7070 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7071 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7074 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7076 wdev_lock(dev
->ieee80211_ptr
);
7077 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7078 local_state_change
);
7079 wdev_unlock(dev
->ieee80211_ptr
);
7083 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7085 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7086 struct net_device
*dev
= info
->user_ptr
[1];
7087 const u8
*ie
= NULL
, *bssid
;
7088 int ie_len
= 0, err
;
7090 bool local_state_change
;
7092 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7095 if (!info
->attrs
[NL80211_ATTR_MAC
])
7098 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7101 if (!rdev
->ops
->disassoc
)
7104 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7105 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7108 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7110 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7111 if (reason_code
== 0) {
7112 /* Reason Code 0 is reserved */
7116 if (info
->attrs
[NL80211_ATTR_IE
]) {
7117 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7118 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7121 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7123 wdev_lock(dev
->ieee80211_ptr
);
7124 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7125 local_state_change
);
7126 wdev_unlock(dev
->ieee80211_ptr
);
7131 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7132 int mcast_rate
[IEEE80211_NUM_BANDS
],
7135 struct wiphy
*wiphy
= &rdev
->wiphy
;
7139 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
7140 struct ieee80211_supported_band
*sband
;
7142 sband
= wiphy
->bands
[band
];
7146 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7147 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7148 mcast_rate
[band
] = i
+ 1;
7158 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7160 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7161 struct net_device
*dev
= info
->user_ptr
[1];
7162 struct cfg80211_ibss_params ibss
;
7163 struct wiphy
*wiphy
;
7164 struct cfg80211_cached_keys
*connkeys
= NULL
;
7167 memset(&ibss
, 0, sizeof(ibss
));
7169 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7172 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7173 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7176 ibss
.beacon_interval
= 100;
7178 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7179 ibss
.beacon_interval
=
7180 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7181 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7185 if (!rdev
->ops
->join_ibss
)
7188 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7191 wiphy
= &rdev
->wiphy
;
7193 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7194 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7196 if (!is_valid_ether_addr(ibss
.bssid
))
7199 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7200 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7202 if (info
->attrs
[NL80211_ATTR_IE
]) {
7203 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7204 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7207 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7211 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7212 NL80211_IFTYPE_ADHOC
))
7215 switch (ibss
.chandef
.width
) {
7216 case NL80211_CHAN_WIDTH_5
:
7217 case NL80211_CHAN_WIDTH_10
:
7218 case NL80211_CHAN_WIDTH_20_NOHT
:
7220 case NL80211_CHAN_WIDTH_20
:
7221 case NL80211_CHAN_WIDTH_40
:
7222 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
7228 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7229 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7231 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7233 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7235 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7236 struct ieee80211_supported_band
*sband
=
7237 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7239 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7245 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7246 memcpy(&ibss
.ht_capa_mask
,
7247 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7248 sizeof(ibss
.ht_capa_mask
));
7250 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7251 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7253 memcpy(&ibss
.ht_capa
,
7254 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7255 sizeof(ibss
.ht_capa
));
7258 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7259 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7260 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7263 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7266 connkeys
= nl80211_parse_connkeys(rdev
,
7267 info
->attrs
[NL80211_ATTR_KEYS
],
7269 if (IS_ERR(connkeys
))
7270 return PTR_ERR(connkeys
);
7272 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7280 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7282 ibss
.userspace_handles_dfs
=
7283 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7285 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7291 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7293 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7294 struct net_device
*dev
= info
->user_ptr
[1];
7296 if (!rdev
->ops
->leave_ibss
)
7299 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7302 return cfg80211_leave_ibss(rdev
, dev
, false);
7305 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7307 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7308 struct net_device
*dev
= info
->user_ptr
[1];
7309 int mcast_rate
[IEEE80211_NUM_BANDS
];
7313 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7314 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
7317 if (!rdev
->ops
->set_mcast_rate
)
7320 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7322 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7325 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7326 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7329 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7334 static struct sk_buff
*
7335 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7336 int approxlen
, u32 portid
, u32 seq
,
7337 enum nl80211_commands cmd
,
7338 enum nl80211_attrs attr
,
7339 const struct nl80211_vendor_cmd_info
*info
,
7342 struct sk_buff
*skb
;
7344 struct nlattr
*data
;
7346 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7350 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7356 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7357 goto nla_put_failure
;
7360 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7362 goto nla_put_failure
;
7363 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7365 goto nla_put_failure
;
7368 data
= nla_nest_start(skb
, attr
);
7370 ((void **)skb
->cb
)[0] = rdev
;
7371 ((void **)skb
->cb
)[1] = hdr
;
7372 ((void **)skb
->cb
)[2] = data
;
7381 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7382 enum nl80211_commands cmd
,
7383 enum nl80211_attrs attr
,
7384 int vendor_event_idx
,
7385 int approxlen
, gfp_t gfp
)
7387 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7388 const struct nl80211_vendor_cmd_info
*info
;
7391 case NL80211_CMD_TESTMODE
:
7392 if (WARN_ON(vendor_event_idx
!= -1))
7396 case NL80211_CMD_VENDOR
:
7397 if (WARN_ON(vendor_event_idx
< 0 ||
7398 vendor_event_idx
>= wiphy
->n_vendor_events
))
7400 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7407 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7408 cmd
, attr
, info
, gfp
);
7410 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7412 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7414 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7415 void *hdr
= ((void **)skb
->cb
)[1];
7416 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7417 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7419 /* clear CB data for netlink core to own from now on */
7420 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7422 nla_nest_end(skb
, data
);
7423 genlmsg_end(skb
, hdr
);
7425 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7426 mcgrp
= NL80211_MCGRP_VENDOR
;
7428 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7431 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7433 #ifdef CONFIG_NL80211_TESTMODE
7434 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7436 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7437 struct wireless_dev
*wdev
=
7438 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7441 if (!rdev
->ops
->testmode_cmd
)
7445 err
= PTR_ERR(wdev
);
7449 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7453 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7456 rdev
->cur_cmd_info
= info
;
7457 err
= rdev_testmode_cmd(rdev
, wdev
,
7458 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7459 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7460 rdev
->cur_cmd_info
= NULL
;
7465 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7466 struct netlink_callback
*cb
)
7468 struct cfg80211_registered_device
*rdev
;
7478 * 0 is a valid index, but not valid for args[0],
7479 * so we need to offset by 1.
7481 phy_idx
= cb
->args
[0] - 1;
7483 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7484 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7489 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7490 nl80211_fam
.attrbuf
);
7492 err
= PTR_ERR(rdev
);
7495 phy_idx
= rdev
->wiphy_idx
;
7498 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7500 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7504 data
= nla_data((void *)cb
->args
[1]);
7505 data_len
= nla_len((void *)cb
->args
[1]);
7508 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7514 if (!rdev
->ops
->testmode_dump
) {
7520 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7521 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7522 NL80211_CMD_TESTMODE
);
7523 struct nlattr
*tmdata
;
7528 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7529 genlmsg_cancel(skb
, hdr
);
7533 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7535 genlmsg_cancel(skb
, hdr
);
7538 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7539 nla_nest_end(skb
, tmdata
);
7541 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7542 genlmsg_cancel(skb
, hdr
);
7545 genlmsg_cancel(skb
, hdr
);
7549 genlmsg_end(skb
, hdr
);
7554 cb
->args
[0] = phy_idx
+ 1;
7561 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7563 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7564 struct net_device
*dev
= info
->user_ptr
[1];
7565 struct cfg80211_connect_params connect
;
7566 struct wiphy
*wiphy
;
7567 struct cfg80211_cached_keys
*connkeys
= NULL
;
7570 memset(&connect
, 0, sizeof(connect
));
7572 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7575 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7576 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7579 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7581 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7582 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7583 NL80211_CMD_CONNECT
))
7586 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7588 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7590 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7591 NL80211_MAX_NR_CIPHER_SUITES
);
7595 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7596 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7599 wiphy
= &rdev
->wiphy
;
7601 connect
.bg_scan_period
= -1;
7602 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7603 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7604 connect
.bg_scan_period
=
7605 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7608 if (info
->attrs
[NL80211_ATTR_MAC
])
7609 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7610 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7611 connect
.bssid_hint
=
7612 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7613 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7614 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7616 if (info
->attrs
[NL80211_ATTR_IE
]) {
7617 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7618 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7621 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7622 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7623 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7624 connect
.mfp
!= NL80211_MFP_NO
)
7627 connect
.mfp
= NL80211_MFP_NO
;
7630 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7631 connect
.channel
= nl80211_get_valid_chan(
7632 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7633 if (!connect
.channel
)
7635 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7636 connect
.channel_hint
= nl80211_get_valid_chan(
7637 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7638 if (!connect
.channel_hint
)
7642 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7643 connkeys
= nl80211_parse_connkeys(rdev
,
7644 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7645 if (IS_ERR(connkeys
))
7646 return PTR_ERR(connkeys
);
7649 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7650 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7652 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7653 memcpy(&connect
.ht_capa_mask
,
7654 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7655 sizeof(connect
.ht_capa_mask
));
7657 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7658 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7662 memcpy(&connect
.ht_capa
,
7663 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7664 sizeof(connect
.ht_capa
));
7667 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7668 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7670 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7671 memcpy(&connect
.vht_capa_mask
,
7672 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7673 sizeof(connect
.vht_capa_mask
));
7675 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7676 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7680 memcpy(&connect
.vht_capa
,
7681 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7682 sizeof(connect
.vht_capa
));
7685 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7686 if (!(rdev
->wiphy
.features
&
7687 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7688 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7690 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7693 wdev_lock(dev
->ieee80211_ptr
);
7694 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7695 wdev_unlock(dev
->ieee80211_ptr
);
7701 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7703 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7704 struct net_device
*dev
= info
->user_ptr
[1];
7708 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7709 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7711 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7716 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7717 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7720 wdev_lock(dev
->ieee80211_ptr
);
7721 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7722 wdev_unlock(dev
->ieee80211_ptr
);
7726 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7728 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7733 if (!info
->attrs
[NL80211_ATTR_PID
])
7736 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7738 net
= get_net_ns_by_pid(pid
);
7740 return PTR_ERR(net
);
7744 /* check if anything to do */
7745 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7746 err
= cfg80211_switch_netns(rdev
, net
);
7752 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7754 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7755 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7756 struct cfg80211_pmksa
*pmksa
) = NULL
;
7757 struct net_device
*dev
= info
->user_ptr
[1];
7758 struct cfg80211_pmksa pmksa
;
7760 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7762 if (!info
->attrs
[NL80211_ATTR_MAC
])
7765 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7768 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7769 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7771 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7772 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7775 switch (info
->genlhdr
->cmd
) {
7776 case NL80211_CMD_SET_PMKSA
:
7777 rdev_ops
= rdev
->ops
->set_pmksa
;
7779 case NL80211_CMD_DEL_PMKSA
:
7780 rdev_ops
= rdev
->ops
->del_pmksa
;
7790 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7793 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7795 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7796 struct net_device
*dev
= info
->user_ptr
[1];
7798 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7799 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7802 if (!rdev
->ops
->flush_pmksa
)
7805 return rdev_flush_pmksa(rdev
, dev
);
7808 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7810 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7811 struct net_device
*dev
= info
->user_ptr
[1];
7812 u8 action_code
, dialog_token
;
7813 u32 peer_capability
= 0;
7818 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7819 !rdev
->ops
->tdls_mgmt
)
7822 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7823 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7824 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7825 !info
->attrs
[NL80211_ATTR_IE
] ||
7826 !info
->attrs
[NL80211_ATTR_MAC
])
7829 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7830 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7831 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7832 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7833 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7834 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7836 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7838 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7839 dialog_token
, status_code
, peer_capability
,
7841 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7842 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7845 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7847 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7848 struct net_device
*dev
= info
->user_ptr
[1];
7849 enum nl80211_tdls_operation operation
;
7852 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7853 !rdev
->ops
->tdls_oper
)
7856 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7857 !info
->attrs
[NL80211_ATTR_MAC
])
7860 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7861 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7863 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7866 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7867 struct genl_info
*info
)
7869 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7870 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7871 struct cfg80211_chan_def chandef
;
7872 struct sk_buff
*msg
;
7878 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7879 !info
->attrs
[NL80211_ATTR_DURATION
])
7882 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7884 if (!rdev
->ops
->remain_on_channel
||
7885 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7889 * We should be on that channel for at least a minimum amount of
7890 * time (10ms) but no longer than the driver supports.
7892 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7893 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7896 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7900 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7904 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7905 NL80211_CMD_REMAIN_ON_CHANNEL
);
7911 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7917 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7918 goto nla_put_failure
;
7920 genlmsg_end(msg
, hdr
);
7922 return genlmsg_reply(msg
, info
);
7931 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7932 struct genl_info
*info
)
7934 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7935 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7938 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7941 if (!rdev
->ops
->cancel_remain_on_channel
)
7944 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7946 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7949 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7950 u8
*rates
, u8 rates_len
)
7955 for (i
= 0; i
< rates_len
; i
++) {
7956 int rate
= (rates
[i
] & 0x7f) * 5;
7958 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7959 struct ieee80211_rate
*srate
=
7960 &sband
->bitrates
[ridx
];
7961 if (rate
== srate
->bitrate
) {
7966 if (ridx
== sband
->n_bitrates
)
7967 return 0; /* rate not found */
7973 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7974 u8
*rates
, u8 rates_len
,
7975 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7979 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7981 for (i
= 0; i
< rates_len
; i
++) {
7984 ridx
= rates
[i
] / 8;
7985 rbit
= BIT(rates
[i
] % 8);
7987 /* check validity */
7988 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7991 /* check availability */
7992 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
8001 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
8005 switch (vht_mcs_map
) {
8006 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
8008 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
8011 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
8014 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
8024 static void vht_build_mcs_mask(u16 vht_mcs_map
,
8025 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
8029 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8030 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8035 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8036 struct nl80211_txrate_vht
*txrate
,
8037 u16 mcs
[NL80211_VHT_NSS_MAX
])
8039 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8040 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8043 if (!sband
->vht_cap
.vht_supported
)
8046 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8048 /* Build vht_mcs_mask from VHT capabilities */
8049 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8051 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8052 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8053 mcs
[i
] = txrate
->mcs
[i
];
8061 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8062 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8063 .len
= NL80211_MAX_SUPP_RATES
},
8064 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8065 .len
= NL80211_MAX_SUPP_HT_RATES
},
8066 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8067 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8070 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8071 struct genl_info
*info
)
8073 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8074 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8075 struct cfg80211_bitrate_mask mask
;
8077 struct net_device
*dev
= info
->user_ptr
[1];
8078 struct nlattr
*tx_rates
;
8079 struct ieee80211_supported_band
*sband
;
8082 if (!rdev
->ops
->set_bitrate_mask
)
8085 memset(&mask
, 0, sizeof(mask
));
8086 /* Default to all rates enabled */
8087 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
8088 sband
= rdev
->wiphy
.bands
[i
];
8093 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8094 memcpy(mask
.control
[i
].ht_mcs
,
8095 sband
->ht_cap
.mcs
.rx_mask
,
8096 sizeof(mask
.control
[i
].ht_mcs
));
8098 if (!sband
->vht_cap
.vht_supported
)
8101 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8102 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8105 /* if no rates are given set it back to the defaults */
8106 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8110 * The nested attribute uses enum nl80211_band as the index. This maps
8111 * directly to the enum ieee80211_band values used in cfg80211.
8113 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8114 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8115 enum ieee80211_band band
= nla_type(tx_rates
);
8118 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
8120 sband
= rdev
->wiphy
.bands
[band
];
8123 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8124 nla_len(tx_rates
), nl80211_txattr_policy
);
8127 if (tb
[NL80211_TXRATE_LEGACY
]) {
8128 mask
.control
[band
].legacy
= rateset_to_mask(
8130 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8131 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8132 if ((mask
.control
[band
].legacy
== 0) &&
8133 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8136 if (tb
[NL80211_TXRATE_HT
]) {
8137 if (!ht_rateset_to_mask(
8139 nla_data(tb
[NL80211_TXRATE_HT
]),
8140 nla_len(tb
[NL80211_TXRATE_HT
]),
8141 mask
.control
[band
].ht_mcs
))
8144 if (tb
[NL80211_TXRATE_VHT
]) {
8145 if (!vht_set_mcs_mask(
8147 nla_data(tb
[NL80211_TXRATE_VHT
]),
8148 mask
.control
[band
].vht_mcs
))
8151 if (tb
[NL80211_TXRATE_GI
]) {
8152 mask
.control
[band
].gi
=
8153 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8154 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8158 if (mask
.control
[band
].legacy
== 0) {
8159 /* don't allow empty legacy rates if HT or VHT
8160 * are not even supported.
8162 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8163 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8166 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8167 if (mask
.control
[band
].ht_mcs
[i
])
8170 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8171 if (mask
.control
[band
].vht_mcs
[i
])
8174 /* legacy and mcs rates may not be both empty */
8180 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8183 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8185 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8186 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8187 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8189 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8192 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8193 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8195 switch (wdev
->iftype
) {
8196 case NL80211_IFTYPE_STATION
:
8197 case NL80211_IFTYPE_ADHOC
:
8198 case NL80211_IFTYPE_P2P_CLIENT
:
8199 case NL80211_IFTYPE_AP
:
8200 case NL80211_IFTYPE_AP_VLAN
:
8201 case NL80211_IFTYPE_MESH_POINT
:
8202 case NL80211_IFTYPE_P2P_GO
:
8203 case NL80211_IFTYPE_P2P_DEVICE
:
8209 /* not much point in registering if we can't reply */
8210 if (!rdev
->ops
->mgmt_tx
)
8213 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8214 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8215 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8218 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8220 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8221 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8222 struct cfg80211_chan_def chandef
;
8226 struct sk_buff
*msg
= NULL
;
8227 struct cfg80211_mgmt_tx_params params
= {
8228 .dont_wait_for_ack
=
8229 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8232 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8235 if (!rdev
->ops
->mgmt_tx
)
8238 switch (wdev
->iftype
) {
8239 case NL80211_IFTYPE_P2P_DEVICE
:
8240 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8242 case NL80211_IFTYPE_STATION
:
8243 case NL80211_IFTYPE_ADHOC
:
8244 case NL80211_IFTYPE_P2P_CLIENT
:
8245 case NL80211_IFTYPE_AP
:
8246 case NL80211_IFTYPE_AP_VLAN
:
8247 case NL80211_IFTYPE_MESH_POINT
:
8248 case NL80211_IFTYPE_P2P_GO
:
8254 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8255 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8257 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8260 * We should wait on the channel for at least a minimum amount
8261 * of time (10ms) but no longer than the driver supports.
8263 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8264 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8269 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8271 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8274 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8276 /* get the channel if any has been specified, otherwise pass NULL to
8277 * the driver. The latter will use the current one
8279 chandef
.chan
= NULL
;
8280 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8281 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8286 if (!chandef
.chan
&& params
.offchan
)
8289 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8290 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8292 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8293 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8296 if (len
% sizeof(u16
))
8299 params
.n_csa_offsets
= len
/ sizeof(u16
);
8300 params
.csa_offsets
=
8301 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8303 /* check that all the offsets fit the frame */
8304 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8305 if (params
.csa_offsets
[i
] >= params
.len
)
8310 if (!params
.dont_wait_for_ack
) {
8311 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8315 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8323 params
.chan
= chandef
.chan
;
8324 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8329 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8330 goto nla_put_failure
;
8332 genlmsg_end(msg
, hdr
);
8333 return genlmsg_reply(msg
, info
);
8345 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8347 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8348 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8351 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8354 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8357 switch (wdev
->iftype
) {
8358 case NL80211_IFTYPE_STATION
:
8359 case NL80211_IFTYPE_ADHOC
:
8360 case NL80211_IFTYPE_P2P_CLIENT
:
8361 case NL80211_IFTYPE_AP
:
8362 case NL80211_IFTYPE_AP_VLAN
:
8363 case NL80211_IFTYPE_P2P_GO
:
8364 case NL80211_IFTYPE_P2P_DEVICE
:
8370 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8372 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8375 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8377 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8378 struct wireless_dev
*wdev
;
8379 struct net_device
*dev
= info
->user_ptr
[1];
8384 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8387 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8389 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8392 wdev
= dev
->ieee80211_ptr
;
8394 if (!rdev
->ops
->set_power_mgmt
)
8397 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8399 if (state
== wdev
->ps
)
8402 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8408 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8410 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8411 enum nl80211_ps_state ps_state
;
8412 struct wireless_dev
*wdev
;
8413 struct net_device
*dev
= info
->user_ptr
[1];
8414 struct sk_buff
*msg
;
8418 wdev
= dev
->ieee80211_ptr
;
8420 if (!rdev
->ops
->set_power_mgmt
)
8423 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8427 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8428 NL80211_CMD_GET_POWER_SAVE
);
8435 ps_state
= NL80211_PS_ENABLED
;
8437 ps_state
= NL80211_PS_DISABLED
;
8439 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8440 goto nla_put_failure
;
8442 genlmsg_end(msg
, hdr
);
8443 return genlmsg_reply(msg
, info
);
8452 static const struct nla_policy
8453 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8454 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8455 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8456 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8457 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8458 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8459 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8462 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8463 u32 rate
, u32 pkts
, u32 intvl
)
8465 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8466 struct net_device
*dev
= info
->user_ptr
[1];
8467 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8469 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8472 if (!rdev
->ops
->set_cqm_txe_config
)
8475 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8476 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8479 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8482 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8483 s32 threshold
, u32 hysteresis
)
8485 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8486 struct net_device
*dev
= info
->user_ptr
[1];
8487 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8492 /* disabling - hysteresis should also be zero then */
8496 if (!rdev
->ops
->set_cqm_rssi_config
)
8499 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8500 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8503 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8506 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8508 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8512 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8516 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8517 nl80211_attr_cqm_policy
);
8521 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8522 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8523 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8524 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8526 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8529 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8530 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8531 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8532 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8533 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8534 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8536 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8542 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8544 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8545 struct net_device
*dev
= info
->user_ptr
[1];
8546 struct ocb_setup setup
= {};
8549 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8553 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8556 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8558 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8559 struct net_device
*dev
= info
->user_ptr
[1];
8561 return cfg80211_leave_ocb(rdev
, dev
);
8564 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8566 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8567 struct net_device
*dev
= info
->user_ptr
[1];
8568 struct mesh_config cfg
;
8569 struct mesh_setup setup
;
8572 /* start with default */
8573 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8574 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8576 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8577 /* and parse parameters if given */
8578 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8583 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8584 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8587 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8588 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8590 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8591 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8592 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8595 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8596 setup
.beacon_interval
=
8597 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8598 if (setup
.beacon_interval
< 10 ||
8599 setup
.beacon_interval
> 10000)
8603 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8605 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8606 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8610 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8611 /* parse additional setup parameters if given */
8612 err
= nl80211_parse_mesh_setup(info
, &setup
);
8618 cfg
.auto_open_plinks
= false;
8620 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8621 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8625 /* cfg80211_join_mesh() will sort it out */
8626 setup
.chandef
.chan
= NULL
;
8629 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8630 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8632 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8633 struct ieee80211_supported_band
*sband
;
8635 if (!setup
.chandef
.chan
)
8638 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8640 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8641 &setup
.basic_rates
);
8646 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8649 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8651 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8652 struct net_device
*dev
= info
->user_ptr
[1];
8654 return cfg80211_leave_mesh(rdev
, dev
);
8658 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8659 struct cfg80211_registered_device
*rdev
)
8661 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8662 struct nlattr
*nl_pats
, *nl_pat
;
8665 if (!wowlan
->n_patterns
)
8668 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8672 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8673 nl_pat
= nla_nest_start(msg
, i
+ 1);
8676 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8677 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8678 wowlan
->patterns
[i
].mask
) ||
8679 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8680 wowlan
->patterns
[i
].pattern
) ||
8681 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8682 wowlan
->patterns
[i
].pkt_offset
))
8684 nla_nest_end(msg
, nl_pat
);
8686 nla_nest_end(msg
, nl_pats
);
8691 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8692 struct cfg80211_wowlan_tcp
*tcp
)
8694 struct nlattr
*nl_tcp
;
8699 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8703 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8704 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8705 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8706 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8707 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8708 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8709 tcp
->payload_len
, tcp
->payload
) ||
8710 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8711 tcp
->data_interval
) ||
8712 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8713 tcp
->wake_len
, tcp
->wake_data
) ||
8714 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8715 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8718 if (tcp
->payload_seq
.len
&&
8719 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8720 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8723 if (tcp
->payload_tok
.len
&&
8724 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8725 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8729 nla_nest_end(msg
, nl_tcp
);
8734 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8736 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8737 struct sk_buff
*msg
;
8739 u32 size
= NLMSG_DEFAULT_SIZE
;
8741 if (!rdev
->wiphy
.wowlan
)
8744 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8745 /* adjust size to have room for all the data */
8746 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8747 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8748 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8749 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8752 msg
= nlmsg_new(size
, GFP_KERNEL
);
8756 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8757 NL80211_CMD_GET_WOWLAN
);
8759 goto nla_put_failure
;
8761 if (rdev
->wiphy
.wowlan_config
) {
8762 struct nlattr
*nl_wowlan
;
8764 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8766 goto nla_put_failure
;
8768 if ((rdev
->wiphy
.wowlan_config
->any
&&
8769 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8770 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8771 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8772 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8773 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8774 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8775 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8776 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8777 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8778 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8779 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8780 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8781 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8782 goto nla_put_failure
;
8784 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8785 goto nla_put_failure
;
8787 if (nl80211_send_wowlan_tcp(msg
,
8788 rdev
->wiphy
.wowlan_config
->tcp
))
8789 goto nla_put_failure
;
8791 nla_nest_end(msg
, nl_wowlan
);
8794 genlmsg_end(msg
, hdr
);
8795 return genlmsg_reply(msg
, info
);
8802 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8803 struct nlattr
*attr
,
8804 struct cfg80211_wowlan
*trig
)
8806 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8807 struct cfg80211_wowlan_tcp
*cfg
;
8808 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8809 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8811 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8814 if (!rdev
->wiphy
.wowlan
->tcp
)
8817 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8818 nla_data(attr
), nla_len(attr
),
8819 nl80211_wowlan_tcp_policy
);
8823 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8824 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8825 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8826 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8827 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8828 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8829 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8830 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8833 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8834 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8837 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8838 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8839 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8842 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8843 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8846 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8847 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8850 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8851 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8853 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8854 tokens_size
= tokln
- sizeof(*tok
);
8856 if (!tok
->len
|| tokens_size
% tok
->len
)
8858 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8860 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8862 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8864 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8866 if (tok
->offset
+ tok
->len
> data_size
)
8870 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8871 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8872 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8874 if (seq
->len
== 0 || seq
->len
> 4)
8876 if (seq
->len
+ seq
->offset
> data_size
)
8880 size
= sizeof(*cfg
);
8882 size
+= wake_size
+ wake_mask_size
;
8883 size
+= tokens_size
;
8885 cfg
= kzalloc(size
, GFP_KERNEL
);
8888 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8889 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8890 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8892 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8893 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8897 /* allocate a socket and port for it and use it */
8898 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8899 IPPROTO_TCP
, &cfg
->sock
, 1);
8904 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8905 sock_release(cfg
->sock
);
8909 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8915 cfg
->src_port
= port
;
8918 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8919 cfg
->payload_len
= data_size
;
8920 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8921 memcpy((void *)cfg
->payload
,
8922 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8925 cfg
->payload_seq
= *seq
;
8926 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8927 cfg
->wake_len
= wake_size
;
8928 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8929 memcpy((void *)cfg
->wake_data
,
8930 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8932 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8933 data_size
+ wake_size
;
8934 memcpy((void *)cfg
->wake_mask
,
8935 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8938 cfg
->tokens_size
= tokens_size
;
8939 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8947 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
8948 const struct wiphy_wowlan_support
*wowlan
,
8949 struct nlattr
*attr
,
8950 struct cfg80211_wowlan
*trig
)
8955 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
8959 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
8964 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
8965 nla_data(attr
), nla_len(attr
),
8970 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
8971 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
8973 trig
->nd_config
= NULL
;
8980 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8982 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8983 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8984 struct cfg80211_wowlan new_triggers
= {};
8985 struct cfg80211_wowlan
*ntrig
;
8986 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8988 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8993 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8994 cfg80211_rdev_free_wowlan(rdev
);
8995 rdev
->wiphy
.wowlan_config
= NULL
;
8999 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
9000 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9001 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9002 nl80211_wowlan_policy
);
9006 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
9007 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
9009 new_triggers
.any
= true;
9012 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
9013 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
9015 new_triggers
.disconnect
= true;
9018 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
9019 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
9021 new_triggers
.magic_pkt
= true;
9024 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
9027 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
9028 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9030 new_triggers
.gtk_rekey_failure
= true;
9033 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9034 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9036 new_triggers
.eap_identity_req
= true;
9039 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9040 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9042 new_triggers
.four_way_handshake
= true;
9045 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9046 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9048 new_triggers
.rfkill_release
= true;
9051 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9054 int rem
, pat_len
, mask_len
, pkt_offset
;
9055 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9057 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9060 if (n_patterns
> wowlan
->n_patterns
)
9063 new_triggers
.patterns
= kcalloc(n_patterns
,
9064 sizeof(new_triggers
.patterns
[0]),
9066 if (!new_triggers
.patterns
)
9069 new_triggers
.n_patterns
= n_patterns
;
9072 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9076 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9077 nla_len(pat
), NULL
);
9079 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9080 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9082 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9083 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9084 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9086 if (pat_len
> wowlan
->pattern_max_len
||
9087 pat_len
< wowlan
->pattern_min_len
)
9090 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9093 pkt_offset
= nla_get_u32(
9094 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9095 if (pkt_offset
> wowlan
->max_pkt_offset
)
9097 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9099 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9104 new_triggers
.patterns
[i
].mask
= mask_pat
;
9105 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9107 mask_pat
+= mask_len
;
9108 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9109 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9111 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9117 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9118 err
= nl80211_parse_wowlan_tcp(
9119 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9125 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9126 err
= nl80211_parse_wowlan_nd(
9127 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9133 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9138 cfg80211_rdev_free_wowlan(rdev
);
9139 rdev
->wiphy
.wowlan_config
= ntrig
;
9142 if (rdev
->ops
->set_wakeup
&&
9143 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9144 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9148 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9149 kfree(new_triggers
.patterns
[i
].mask
);
9150 kfree(new_triggers
.patterns
);
9151 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9152 sock_release(new_triggers
.tcp
->sock
);
9153 kfree(new_triggers
.tcp
);
9158 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9159 struct cfg80211_registered_device
*rdev
)
9161 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9163 struct cfg80211_coalesce_rules
*rule
;
9165 if (!rdev
->coalesce
->n_rules
)
9168 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9172 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9173 nl_rule
= nla_nest_start(msg
, i
+ 1);
9177 rule
= &rdev
->coalesce
->rules
[i
];
9178 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9182 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9186 nl_pats
= nla_nest_start(msg
,
9187 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9191 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9192 nl_pat
= nla_nest_start(msg
, j
+ 1);
9195 pat_len
= rule
->patterns
[j
].pattern_len
;
9196 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9197 DIV_ROUND_UP(pat_len
, 8),
9198 rule
->patterns
[j
].mask
) ||
9199 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9200 rule
->patterns
[j
].pattern
) ||
9201 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9202 rule
->patterns
[j
].pkt_offset
))
9204 nla_nest_end(msg
, nl_pat
);
9206 nla_nest_end(msg
, nl_pats
);
9207 nla_nest_end(msg
, nl_rule
);
9209 nla_nest_end(msg
, nl_rules
);
9214 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9216 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9217 struct sk_buff
*msg
;
9220 if (!rdev
->wiphy
.coalesce
)
9223 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9227 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9228 NL80211_CMD_GET_COALESCE
);
9230 goto nla_put_failure
;
9232 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9233 goto nla_put_failure
;
9235 genlmsg_end(msg
, hdr
);
9236 return genlmsg_reply(msg
, info
);
9243 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9245 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9247 struct cfg80211_coalesce_rules
*rule
;
9252 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9253 rule
= &coalesce
->rules
[i
];
9254 for (j
= 0; j
< rule
->n_patterns
; j
++)
9255 kfree(rule
->patterns
[j
].mask
);
9256 kfree(rule
->patterns
);
9258 kfree(coalesce
->rules
);
9260 rdev
->coalesce
= NULL
;
9263 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9264 struct nlattr
*rule
,
9265 struct cfg80211_coalesce_rules
*new_rule
)
9268 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9269 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9270 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9271 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9273 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9274 nla_len(rule
), nl80211_coalesce_policy
);
9278 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9280 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9281 if (new_rule
->delay
> coalesce
->max_delay
)
9284 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9285 new_rule
->condition
=
9286 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9287 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9288 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9291 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9294 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9297 if (n_patterns
> coalesce
->n_patterns
)
9300 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9302 if (!new_rule
->patterns
)
9305 new_rule
->n_patterns
= n_patterns
;
9308 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9312 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9313 nla_len(pat
), NULL
);
9314 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9315 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9317 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9318 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9319 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9321 if (pat_len
> coalesce
->pattern_max_len
||
9322 pat_len
< coalesce
->pattern_min_len
)
9325 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9328 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9329 if (pkt_offset
> coalesce
->max_pkt_offset
)
9331 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9333 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9337 new_rule
->patterns
[i
].mask
= mask_pat
;
9338 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9341 mask_pat
+= mask_len
;
9342 new_rule
->patterns
[i
].pattern
= mask_pat
;
9343 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9344 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9352 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9354 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9355 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9356 struct cfg80211_coalesce new_coalesce
= {};
9357 struct cfg80211_coalesce
*n_coalesce
;
9358 int err
, rem_rule
, n_rules
= 0, i
, j
;
9359 struct nlattr
*rule
;
9360 struct cfg80211_coalesce_rules
*tmp_rule
;
9362 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9365 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9366 cfg80211_rdev_free_coalesce(rdev
);
9367 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9371 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9374 if (n_rules
> coalesce
->n_rules
)
9377 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9379 if (!new_coalesce
.rules
)
9382 new_coalesce
.n_rules
= n_rules
;
9385 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9387 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9388 &new_coalesce
.rules
[i
]);
9395 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9399 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9404 cfg80211_rdev_free_coalesce(rdev
);
9405 rdev
->coalesce
= n_coalesce
;
9409 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9410 tmp_rule
= &new_coalesce
.rules
[i
];
9411 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9412 kfree(tmp_rule
->patterns
[j
].mask
);
9413 kfree(tmp_rule
->patterns
);
9415 kfree(new_coalesce
.rules
);
9420 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9422 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9423 struct net_device
*dev
= info
->user_ptr
[1];
9424 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9425 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9426 struct cfg80211_gtk_rekey_data rekey_data
;
9429 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9432 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9433 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9434 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9435 nl80211_rekey_policy
);
9439 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9441 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9443 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9446 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9447 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9448 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9451 if (!wdev
->current_bss
) {
9456 if (!rdev
->ops
->set_rekey_data
) {
9461 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9467 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9468 struct genl_info
*info
)
9470 struct net_device
*dev
= info
->user_ptr
[1];
9471 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9473 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9474 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9477 if (wdev
->ap_unexpected_nlportid
)
9480 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9484 static int nl80211_probe_client(struct sk_buff
*skb
,
9485 struct genl_info
*info
)
9487 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9488 struct net_device
*dev
= info
->user_ptr
[1];
9489 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9490 struct sk_buff
*msg
;
9496 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9497 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9500 if (!info
->attrs
[NL80211_ATTR_MAC
])
9503 if (!rdev
->ops
->probe_client
)
9506 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9510 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9511 NL80211_CMD_PROBE_CLIENT
);
9517 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9519 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9523 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9524 goto nla_put_failure
;
9526 genlmsg_end(msg
, hdr
);
9528 return genlmsg_reply(msg
, info
);
9537 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9539 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9540 struct cfg80211_beacon_registration
*reg
, *nreg
;
9543 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9546 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9550 /* First, check if already registered. */
9551 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9552 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9553 if (reg
->nlportid
== info
->snd_portid
) {
9558 /* Add it to the list */
9559 nreg
->nlportid
= info
->snd_portid
;
9560 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9562 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9566 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9571 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9573 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9574 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9577 if (!rdev
->ops
->start_p2p_device
)
9580 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9583 if (wdev
->p2p_started
)
9586 if (rfkill_blocked(rdev
->rfkill
))
9589 err
= rdev_start_p2p_device(rdev
, wdev
);
9593 wdev
->p2p_started
= true;
9599 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9601 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9602 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9604 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9607 if (!rdev
->ops
->stop_p2p_device
)
9610 cfg80211_stop_p2p_device(rdev
, wdev
);
9615 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9616 struct genl_info
*info
)
9619 struct sk_buff
*msg
;
9621 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9625 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9626 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9628 goto nla_put_failure
;
9630 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9631 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9632 goto nla_put_failure
;
9634 genlmsg_end(msg
, hdr
);
9635 return genlmsg_reply(msg
, info
);
9642 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9644 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9645 struct cfg80211_update_ft_ies_params ft_params
;
9646 struct net_device
*dev
= info
->user_ptr
[1];
9648 if (!rdev
->ops
->update_ft_ies
)
9651 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9652 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9655 memset(&ft_params
, 0, sizeof(ft_params
));
9656 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9657 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9658 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9660 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9663 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9664 struct genl_info
*info
)
9666 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9667 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9668 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9672 if (!rdev
->ops
->crit_proto_start
)
9675 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9678 if (rdev
->crit_proto_nlportid
)
9681 /* determine protocol if provided */
9682 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9683 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9685 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9688 /* timeout must be provided */
9689 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9693 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9695 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9698 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9700 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9705 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9706 struct genl_info
*info
)
9708 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9709 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9711 if (!rdev
->ops
->crit_proto_stop
)
9714 if (rdev
->crit_proto_nlportid
) {
9715 rdev
->crit_proto_nlportid
= 0;
9716 rdev_crit_proto_stop(rdev
, wdev
);
9721 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9723 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9724 struct wireless_dev
*wdev
=
9725 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9729 if (!rdev
->wiphy
.vendor_commands
)
9733 err
= PTR_ERR(wdev
);
9737 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9741 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9742 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9745 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9746 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9747 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9748 const struct wiphy_vendor_command
*vcmd
;
9752 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9754 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9757 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9758 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9761 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9765 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9767 !netif_running(wdev
->netdev
))
9769 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9776 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9777 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9778 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9781 rdev
->cur_cmd_info
= info
;
9782 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9784 rdev
->cur_cmd_info
= NULL
;
9791 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9792 enum nl80211_commands cmd
,
9793 enum nl80211_attrs attr
,
9796 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9798 if (WARN_ON(!rdev
->cur_cmd_info
))
9801 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9802 rdev
->cur_cmd_info
->snd_portid
,
9803 rdev
->cur_cmd_info
->snd_seq
,
9804 cmd
, attr
, NULL
, GFP_KERNEL
);
9806 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9808 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9810 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9811 void *hdr
= ((void **)skb
->cb
)[1];
9812 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9814 /* clear CB data for netlink core to own from now on */
9815 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9817 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9822 nla_nest_end(skb
, data
);
9823 genlmsg_end(skb
, hdr
);
9824 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9826 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9829 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9830 struct genl_info
*info
)
9832 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9833 struct cfg80211_qos_map
*qos_map
= NULL
;
9834 struct net_device
*dev
= info
->user_ptr
[1];
9835 u8
*pos
, len
, num_des
, des_len
, des
;
9838 if (!rdev
->ops
->set_qos_map
)
9841 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9842 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9843 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9845 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9846 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9849 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9853 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9856 sizeof(struct cfg80211_dscp_exception
);
9857 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9858 qos_map
->num_des
= num_des
;
9859 for (des
= 0; des
< num_des
; des
++) {
9860 if (qos_map
->dscp_exception
[des
].up
> 7) {
9867 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9870 wdev_lock(dev
->ieee80211_ptr
);
9871 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9873 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9874 wdev_unlock(dev
->ieee80211_ptr
);
9880 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9882 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9883 struct net_device
*dev
= info
->user_ptr
[1];
9884 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9887 u16 admitted_time
= 0;
9890 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
9893 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
9894 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
9897 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9898 if (tsid
>= IEEE80211_NUM_TIDS
)
9901 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
9902 if (up
>= IEEE80211_NUM_UPS
)
9905 /* WMM uses TIDs 0-7 even for TSPEC */
9906 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
9907 /* TODO: handle 802.11 TSPEC/admission control
9908 * need more attributes for that (e.g. BA session requirement);
9909 * change the WMM adminssion test above to allow both then
9914 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9916 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
9918 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
9924 switch (wdev
->iftype
) {
9925 case NL80211_IFTYPE_STATION
:
9926 case NL80211_IFTYPE_P2P_CLIENT
:
9927 if (wdev
->current_bss
)
9936 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
9943 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9945 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9946 struct net_device
*dev
= info
->user_ptr
[1];
9947 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9952 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
9955 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9956 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9959 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
9965 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
9966 struct genl_info
*info
)
9968 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9969 struct net_device
*dev
= info
->user_ptr
[1];
9970 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9971 struct cfg80211_chan_def chandef
= {};
9976 if (!rdev
->ops
->tdls_channel_switch
||
9977 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9980 switch (dev
->ieee80211_ptr
->iftype
) {
9981 case NL80211_IFTYPE_STATION
:
9982 case NL80211_IFTYPE_P2P_CLIENT
:
9988 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
9989 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
9992 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9997 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
9998 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
9999 * specification is not defined for them.
10001 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
10002 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
10003 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
10006 /* we will be active on the TDLS link */
10007 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, wdev
->iftype
))
10010 /* don't allow switching to DFS channels */
10011 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
10014 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10015 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
10018 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
10024 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
10025 struct genl_info
*info
)
10027 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10028 struct net_device
*dev
= info
->user_ptr
[1];
10029 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10032 if (!rdev
->ops
->tdls_channel_switch
||
10033 !rdev
->ops
->tdls_cancel_channel_switch
||
10034 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10035 return -EOPNOTSUPP
;
10037 switch (dev
->ieee80211_ptr
->iftype
) {
10038 case NL80211_IFTYPE_STATION
:
10039 case NL80211_IFTYPE_P2P_CLIENT
:
10042 return -EOPNOTSUPP
;
10045 if (!info
->attrs
[NL80211_ATTR_MAC
])
10048 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10051 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10057 #define NL80211_FLAG_NEED_WIPHY 0x01
10058 #define NL80211_FLAG_NEED_NETDEV 0x02
10059 #define NL80211_FLAG_NEED_RTNL 0x04
10060 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10061 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10062 NL80211_FLAG_CHECK_NETDEV_UP)
10063 #define NL80211_FLAG_NEED_WDEV 0x10
10064 /* If a netdev is associated, it must be UP, P2P must be started */
10065 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10066 NL80211_FLAG_CHECK_NETDEV_UP)
10067 #define NL80211_FLAG_CLEAR_SKB 0x20
10069 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10070 struct genl_info
*info
)
10072 struct cfg80211_registered_device
*rdev
;
10073 struct wireless_dev
*wdev
;
10074 struct net_device
*dev
;
10075 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
10080 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
10081 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
10082 if (IS_ERR(rdev
)) {
10085 return PTR_ERR(rdev
);
10087 info
->user_ptr
[0] = rdev
;
10088 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
10089 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10092 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
10094 if (IS_ERR(wdev
)) {
10097 return PTR_ERR(wdev
);
10100 dev
= wdev
->netdev
;
10101 rdev
= wiphy_to_rdev(wdev
->wiphy
);
10103 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
10110 info
->user_ptr
[1] = dev
;
10112 info
->user_ptr
[1] = wdev
;
10116 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
10117 !netif_running(dev
)) {
10124 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
10125 if (!wdev
->p2p_started
) {
10132 info
->user_ptr
[0] = rdev
;
10138 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10139 struct genl_info
*info
)
10141 if (info
->user_ptr
[1]) {
10142 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10143 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10146 dev_put(wdev
->netdev
);
10148 dev_put(info
->user_ptr
[1]);
10152 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10155 /* If needed, clear the netlink message payload from the SKB
10156 * as it might contain key data that shouldn't stick around on
10157 * the heap after the SKB is freed. The netlink message header
10158 * is still needed for further processing, so leave it intact.
10160 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10161 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10163 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10167 static const struct genl_ops nl80211_ops
[] = {
10169 .cmd
= NL80211_CMD_GET_WIPHY
,
10170 .doit
= nl80211_get_wiphy
,
10171 .dumpit
= nl80211_dump_wiphy
,
10172 .done
= nl80211_dump_wiphy_done
,
10173 .policy
= nl80211_policy
,
10174 /* can be retrieved by unprivileged users */
10175 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10176 NL80211_FLAG_NEED_RTNL
,
10179 .cmd
= NL80211_CMD_SET_WIPHY
,
10180 .doit
= nl80211_set_wiphy
,
10181 .policy
= nl80211_policy
,
10182 .flags
= GENL_ADMIN_PERM
,
10183 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10186 .cmd
= NL80211_CMD_GET_INTERFACE
,
10187 .doit
= nl80211_get_interface
,
10188 .dumpit
= nl80211_dump_interface
,
10189 .policy
= nl80211_policy
,
10190 /* can be retrieved by unprivileged users */
10191 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10192 NL80211_FLAG_NEED_RTNL
,
10195 .cmd
= NL80211_CMD_SET_INTERFACE
,
10196 .doit
= nl80211_set_interface
,
10197 .policy
= nl80211_policy
,
10198 .flags
= GENL_ADMIN_PERM
,
10199 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10200 NL80211_FLAG_NEED_RTNL
,
10203 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10204 .doit
= nl80211_new_interface
,
10205 .policy
= nl80211_policy
,
10206 .flags
= GENL_ADMIN_PERM
,
10207 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10208 NL80211_FLAG_NEED_RTNL
,
10211 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10212 .doit
= nl80211_del_interface
,
10213 .policy
= nl80211_policy
,
10214 .flags
= GENL_ADMIN_PERM
,
10215 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10216 NL80211_FLAG_NEED_RTNL
,
10219 .cmd
= NL80211_CMD_GET_KEY
,
10220 .doit
= nl80211_get_key
,
10221 .policy
= nl80211_policy
,
10222 .flags
= GENL_ADMIN_PERM
,
10223 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10224 NL80211_FLAG_NEED_RTNL
,
10227 .cmd
= NL80211_CMD_SET_KEY
,
10228 .doit
= nl80211_set_key
,
10229 .policy
= nl80211_policy
,
10230 .flags
= GENL_ADMIN_PERM
,
10231 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10232 NL80211_FLAG_NEED_RTNL
|
10233 NL80211_FLAG_CLEAR_SKB
,
10236 .cmd
= NL80211_CMD_NEW_KEY
,
10237 .doit
= nl80211_new_key
,
10238 .policy
= nl80211_policy
,
10239 .flags
= GENL_ADMIN_PERM
,
10240 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10241 NL80211_FLAG_NEED_RTNL
|
10242 NL80211_FLAG_CLEAR_SKB
,
10245 .cmd
= NL80211_CMD_DEL_KEY
,
10246 .doit
= nl80211_del_key
,
10247 .policy
= nl80211_policy
,
10248 .flags
= GENL_ADMIN_PERM
,
10249 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10250 NL80211_FLAG_NEED_RTNL
,
10253 .cmd
= NL80211_CMD_SET_BEACON
,
10254 .policy
= nl80211_policy
,
10255 .flags
= GENL_ADMIN_PERM
,
10256 .doit
= nl80211_set_beacon
,
10257 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10258 NL80211_FLAG_NEED_RTNL
,
10261 .cmd
= NL80211_CMD_START_AP
,
10262 .policy
= nl80211_policy
,
10263 .flags
= GENL_ADMIN_PERM
,
10264 .doit
= nl80211_start_ap
,
10265 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10266 NL80211_FLAG_NEED_RTNL
,
10269 .cmd
= NL80211_CMD_STOP_AP
,
10270 .policy
= nl80211_policy
,
10271 .flags
= GENL_ADMIN_PERM
,
10272 .doit
= nl80211_stop_ap
,
10273 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10274 NL80211_FLAG_NEED_RTNL
,
10277 .cmd
= NL80211_CMD_GET_STATION
,
10278 .doit
= nl80211_get_station
,
10279 .dumpit
= nl80211_dump_station
,
10280 .policy
= nl80211_policy
,
10281 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10282 NL80211_FLAG_NEED_RTNL
,
10285 .cmd
= NL80211_CMD_SET_STATION
,
10286 .doit
= nl80211_set_station
,
10287 .policy
= nl80211_policy
,
10288 .flags
= GENL_ADMIN_PERM
,
10289 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10290 NL80211_FLAG_NEED_RTNL
,
10293 .cmd
= NL80211_CMD_NEW_STATION
,
10294 .doit
= nl80211_new_station
,
10295 .policy
= nl80211_policy
,
10296 .flags
= GENL_ADMIN_PERM
,
10297 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10298 NL80211_FLAG_NEED_RTNL
,
10301 .cmd
= NL80211_CMD_DEL_STATION
,
10302 .doit
= nl80211_del_station
,
10303 .policy
= nl80211_policy
,
10304 .flags
= GENL_ADMIN_PERM
,
10305 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10306 NL80211_FLAG_NEED_RTNL
,
10309 .cmd
= NL80211_CMD_GET_MPATH
,
10310 .doit
= nl80211_get_mpath
,
10311 .dumpit
= nl80211_dump_mpath
,
10312 .policy
= nl80211_policy
,
10313 .flags
= GENL_ADMIN_PERM
,
10314 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10315 NL80211_FLAG_NEED_RTNL
,
10318 .cmd
= NL80211_CMD_GET_MPP
,
10319 .doit
= nl80211_get_mpp
,
10320 .dumpit
= nl80211_dump_mpp
,
10321 .policy
= nl80211_policy
,
10322 .flags
= GENL_ADMIN_PERM
,
10323 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10324 NL80211_FLAG_NEED_RTNL
,
10327 .cmd
= NL80211_CMD_SET_MPATH
,
10328 .doit
= nl80211_set_mpath
,
10329 .policy
= nl80211_policy
,
10330 .flags
= GENL_ADMIN_PERM
,
10331 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10332 NL80211_FLAG_NEED_RTNL
,
10335 .cmd
= NL80211_CMD_NEW_MPATH
,
10336 .doit
= nl80211_new_mpath
,
10337 .policy
= nl80211_policy
,
10338 .flags
= GENL_ADMIN_PERM
,
10339 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10340 NL80211_FLAG_NEED_RTNL
,
10343 .cmd
= NL80211_CMD_DEL_MPATH
,
10344 .doit
= nl80211_del_mpath
,
10345 .policy
= nl80211_policy
,
10346 .flags
= GENL_ADMIN_PERM
,
10347 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10348 NL80211_FLAG_NEED_RTNL
,
10351 .cmd
= NL80211_CMD_SET_BSS
,
10352 .doit
= nl80211_set_bss
,
10353 .policy
= nl80211_policy
,
10354 .flags
= GENL_ADMIN_PERM
,
10355 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10356 NL80211_FLAG_NEED_RTNL
,
10359 .cmd
= NL80211_CMD_GET_REG
,
10360 .doit
= nl80211_get_reg_do
,
10361 .dumpit
= nl80211_get_reg_dump
,
10362 .policy
= nl80211_policy
,
10363 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10364 /* can be retrieved by unprivileged users */
10367 .cmd
= NL80211_CMD_SET_REG
,
10368 .doit
= nl80211_set_reg
,
10369 .policy
= nl80211_policy
,
10370 .flags
= GENL_ADMIN_PERM
,
10371 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10374 .cmd
= NL80211_CMD_REQ_SET_REG
,
10375 .doit
= nl80211_req_set_reg
,
10376 .policy
= nl80211_policy
,
10377 .flags
= GENL_ADMIN_PERM
,
10380 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10381 .doit
= nl80211_get_mesh_config
,
10382 .policy
= nl80211_policy
,
10383 /* can be retrieved by unprivileged users */
10384 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10385 NL80211_FLAG_NEED_RTNL
,
10388 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10389 .doit
= nl80211_update_mesh_config
,
10390 .policy
= nl80211_policy
,
10391 .flags
= GENL_ADMIN_PERM
,
10392 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10393 NL80211_FLAG_NEED_RTNL
,
10396 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
10397 .doit
= nl80211_trigger_scan
,
10398 .policy
= nl80211_policy
,
10399 .flags
= GENL_ADMIN_PERM
,
10400 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10401 NL80211_FLAG_NEED_RTNL
,
10404 .cmd
= NL80211_CMD_GET_SCAN
,
10405 .policy
= nl80211_policy
,
10406 .dumpit
= nl80211_dump_scan
,
10409 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10410 .doit
= nl80211_start_sched_scan
,
10411 .policy
= nl80211_policy
,
10412 .flags
= GENL_ADMIN_PERM
,
10413 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10414 NL80211_FLAG_NEED_RTNL
,
10417 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
10418 .doit
= nl80211_stop_sched_scan
,
10419 .policy
= nl80211_policy
,
10420 .flags
= GENL_ADMIN_PERM
,
10421 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10422 NL80211_FLAG_NEED_RTNL
,
10425 .cmd
= NL80211_CMD_AUTHENTICATE
,
10426 .doit
= nl80211_authenticate
,
10427 .policy
= nl80211_policy
,
10428 .flags
= GENL_ADMIN_PERM
,
10429 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10430 NL80211_FLAG_NEED_RTNL
|
10431 NL80211_FLAG_CLEAR_SKB
,
10434 .cmd
= NL80211_CMD_ASSOCIATE
,
10435 .doit
= nl80211_associate
,
10436 .policy
= nl80211_policy
,
10437 .flags
= GENL_ADMIN_PERM
,
10438 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10439 NL80211_FLAG_NEED_RTNL
,
10442 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10443 .doit
= nl80211_deauthenticate
,
10444 .policy
= nl80211_policy
,
10445 .flags
= GENL_ADMIN_PERM
,
10446 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10447 NL80211_FLAG_NEED_RTNL
,
10450 .cmd
= NL80211_CMD_DISASSOCIATE
,
10451 .doit
= nl80211_disassociate
,
10452 .policy
= nl80211_policy
,
10453 .flags
= GENL_ADMIN_PERM
,
10454 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10455 NL80211_FLAG_NEED_RTNL
,
10458 .cmd
= NL80211_CMD_JOIN_IBSS
,
10459 .doit
= nl80211_join_ibss
,
10460 .policy
= nl80211_policy
,
10461 .flags
= GENL_ADMIN_PERM
,
10462 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10463 NL80211_FLAG_NEED_RTNL
,
10466 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10467 .doit
= nl80211_leave_ibss
,
10468 .policy
= nl80211_policy
,
10469 .flags
= GENL_ADMIN_PERM
,
10470 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10471 NL80211_FLAG_NEED_RTNL
,
10473 #ifdef CONFIG_NL80211_TESTMODE
10475 .cmd
= NL80211_CMD_TESTMODE
,
10476 .doit
= nl80211_testmode_do
,
10477 .dumpit
= nl80211_testmode_dump
,
10478 .policy
= nl80211_policy
,
10479 .flags
= GENL_ADMIN_PERM
,
10480 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10481 NL80211_FLAG_NEED_RTNL
,
10485 .cmd
= NL80211_CMD_CONNECT
,
10486 .doit
= nl80211_connect
,
10487 .policy
= nl80211_policy
,
10488 .flags
= GENL_ADMIN_PERM
,
10489 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10490 NL80211_FLAG_NEED_RTNL
,
10493 .cmd
= NL80211_CMD_DISCONNECT
,
10494 .doit
= nl80211_disconnect
,
10495 .policy
= nl80211_policy
,
10496 .flags
= GENL_ADMIN_PERM
,
10497 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10498 NL80211_FLAG_NEED_RTNL
,
10501 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10502 .doit
= nl80211_wiphy_netns
,
10503 .policy
= nl80211_policy
,
10504 .flags
= GENL_ADMIN_PERM
,
10505 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10506 NL80211_FLAG_NEED_RTNL
,
10509 .cmd
= NL80211_CMD_GET_SURVEY
,
10510 .policy
= nl80211_policy
,
10511 .dumpit
= nl80211_dump_survey
,
10514 .cmd
= NL80211_CMD_SET_PMKSA
,
10515 .doit
= nl80211_setdel_pmksa
,
10516 .policy
= nl80211_policy
,
10517 .flags
= GENL_ADMIN_PERM
,
10518 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10519 NL80211_FLAG_NEED_RTNL
,
10522 .cmd
= NL80211_CMD_DEL_PMKSA
,
10523 .doit
= nl80211_setdel_pmksa
,
10524 .policy
= nl80211_policy
,
10525 .flags
= GENL_ADMIN_PERM
,
10526 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10527 NL80211_FLAG_NEED_RTNL
,
10530 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10531 .doit
= nl80211_flush_pmksa
,
10532 .policy
= nl80211_policy
,
10533 .flags
= GENL_ADMIN_PERM
,
10534 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10535 NL80211_FLAG_NEED_RTNL
,
10538 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10539 .doit
= nl80211_remain_on_channel
,
10540 .policy
= nl80211_policy
,
10541 .flags
= GENL_ADMIN_PERM
,
10542 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10543 NL80211_FLAG_NEED_RTNL
,
10546 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10547 .doit
= nl80211_cancel_remain_on_channel
,
10548 .policy
= nl80211_policy
,
10549 .flags
= GENL_ADMIN_PERM
,
10550 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10551 NL80211_FLAG_NEED_RTNL
,
10554 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10555 .doit
= nl80211_set_tx_bitrate_mask
,
10556 .policy
= nl80211_policy
,
10557 .flags
= GENL_ADMIN_PERM
,
10558 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10559 NL80211_FLAG_NEED_RTNL
,
10562 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10563 .doit
= nl80211_register_mgmt
,
10564 .policy
= nl80211_policy
,
10565 .flags
= GENL_ADMIN_PERM
,
10566 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10567 NL80211_FLAG_NEED_RTNL
,
10570 .cmd
= NL80211_CMD_FRAME
,
10571 .doit
= nl80211_tx_mgmt
,
10572 .policy
= nl80211_policy
,
10573 .flags
= GENL_ADMIN_PERM
,
10574 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10575 NL80211_FLAG_NEED_RTNL
,
10578 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10579 .doit
= nl80211_tx_mgmt_cancel_wait
,
10580 .policy
= nl80211_policy
,
10581 .flags
= GENL_ADMIN_PERM
,
10582 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10583 NL80211_FLAG_NEED_RTNL
,
10586 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10587 .doit
= nl80211_set_power_save
,
10588 .policy
= nl80211_policy
,
10589 .flags
= GENL_ADMIN_PERM
,
10590 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10591 NL80211_FLAG_NEED_RTNL
,
10594 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10595 .doit
= nl80211_get_power_save
,
10596 .policy
= nl80211_policy
,
10597 /* can be retrieved by unprivileged users */
10598 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10599 NL80211_FLAG_NEED_RTNL
,
10602 .cmd
= NL80211_CMD_SET_CQM
,
10603 .doit
= nl80211_set_cqm
,
10604 .policy
= nl80211_policy
,
10605 .flags
= GENL_ADMIN_PERM
,
10606 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10607 NL80211_FLAG_NEED_RTNL
,
10610 .cmd
= NL80211_CMD_SET_CHANNEL
,
10611 .doit
= nl80211_set_channel
,
10612 .policy
= nl80211_policy
,
10613 .flags
= GENL_ADMIN_PERM
,
10614 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10615 NL80211_FLAG_NEED_RTNL
,
10618 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10619 .doit
= nl80211_set_wds_peer
,
10620 .policy
= nl80211_policy
,
10621 .flags
= GENL_ADMIN_PERM
,
10622 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10623 NL80211_FLAG_NEED_RTNL
,
10626 .cmd
= NL80211_CMD_JOIN_MESH
,
10627 .doit
= nl80211_join_mesh
,
10628 .policy
= nl80211_policy
,
10629 .flags
= GENL_ADMIN_PERM
,
10630 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10631 NL80211_FLAG_NEED_RTNL
,
10634 .cmd
= NL80211_CMD_LEAVE_MESH
,
10635 .doit
= nl80211_leave_mesh
,
10636 .policy
= nl80211_policy
,
10637 .flags
= GENL_ADMIN_PERM
,
10638 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10639 NL80211_FLAG_NEED_RTNL
,
10642 .cmd
= NL80211_CMD_JOIN_OCB
,
10643 .doit
= nl80211_join_ocb
,
10644 .policy
= nl80211_policy
,
10645 .flags
= GENL_ADMIN_PERM
,
10646 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10647 NL80211_FLAG_NEED_RTNL
,
10650 .cmd
= NL80211_CMD_LEAVE_OCB
,
10651 .doit
= nl80211_leave_ocb
,
10652 .policy
= nl80211_policy
,
10653 .flags
= GENL_ADMIN_PERM
,
10654 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10655 NL80211_FLAG_NEED_RTNL
,
10659 .cmd
= NL80211_CMD_GET_WOWLAN
,
10660 .doit
= nl80211_get_wowlan
,
10661 .policy
= nl80211_policy
,
10662 /* can be retrieved by unprivileged users */
10663 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10664 NL80211_FLAG_NEED_RTNL
,
10667 .cmd
= NL80211_CMD_SET_WOWLAN
,
10668 .doit
= nl80211_set_wowlan
,
10669 .policy
= nl80211_policy
,
10670 .flags
= GENL_ADMIN_PERM
,
10671 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10672 NL80211_FLAG_NEED_RTNL
,
10676 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10677 .doit
= nl80211_set_rekey_data
,
10678 .policy
= nl80211_policy
,
10679 .flags
= GENL_ADMIN_PERM
,
10680 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10681 NL80211_FLAG_NEED_RTNL
|
10682 NL80211_FLAG_CLEAR_SKB
,
10685 .cmd
= NL80211_CMD_TDLS_MGMT
,
10686 .doit
= nl80211_tdls_mgmt
,
10687 .policy
= nl80211_policy
,
10688 .flags
= GENL_ADMIN_PERM
,
10689 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10690 NL80211_FLAG_NEED_RTNL
,
10693 .cmd
= NL80211_CMD_TDLS_OPER
,
10694 .doit
= nl80211_tdls_oper
,
10695 .policy
= nl80211_policy
,
10696 .flags
= GENL_ADMIN_PERM
,
10697 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10698 NL80211_FLAG_NEED_RTNL
,
10701 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10702 .doit
= nl80211_register_unexpected_frame
,
10703 .policy
= nl80211_policy
,
10704 .flags
= GENL_ADMIN_PERM
,
10705 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10706 NL80211_FLAG_NEED_RTNL
,
10709 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10710 .doit
= nl80211_probe_client
,
10711 .policy
= nl80211_policy
,
10712 .flags
= GENL_ADMIN_PERM
,
10713 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10714 NL80211_FLAG_NEED_RTNL
,
10717 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
10718 .doit
= nl80211_register_beacons
,
10719 .policy
= nl80211_policy
,
10720 .flags
= GENL_ADMIN_PERM
,
10721 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10722 NL80211_FLAG_NEED_RTNL
,
10725 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10726 .doit
= nl80211_set_noack_map
,
10727 .policy
= nl80211_policy
,
10728 .flags
= GENL_ADMIN_PERM
,
10729 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10730 NL80211_FLAG_NEED_RTNL
,
10733 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10734 .doit
= nl80211_start_p2p_device
,
10735 .policy
= nl80211_policy
,
10736 .flags
= GENL_ADMIN_PERM
,
10737 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10738 NL80211_FLAG_NEED_RTNL
,
10741 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10742 .doit
= nl80211_stop_p2p_device
,
10743 .policy
= nl80211_policy
,
10744 .flags
= GENL_ADMIN_PERM
,
10745 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10746 NL80211_FLAG_NEED_RTNL
,
10749 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10750 .doit
= nl80211_set_mcast_rate
,
10751 .policy
= nl80211_policy
,
10752 .flags
= GENL_ADMIN_PERM
,
10753 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10754 NL80211_FLAG_NEED_RTNL
,
10757 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10758 .doit
= nl80211_set_mac_acl
,
10759 .policy
= nl80211_policy
,
10760 .flags
= GENL_ADMIN_PERM
,
10761 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10762 NL80211_FLAG_NEED_RTNL
,
10765 .cmd
= NL80211_CMD_RADAR_DETECT
,
10766 .doit
= nl80211_start_radar_detection
,
10767 .policy
= nl80211_policy
,
10768 .flags
= GENL_ADMIN_PERM
,
10769 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10770 NL80211_FLAG_NEED_RTNL
,
10773 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10774 .doit
= nl80211_get_protocol_features
,
10775 .policy
= nl80211_policy
,
10778 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10779 .doit
= nl80211_update_ft_ies
,
10780 .policy
= nl80211_policy
,
10781 .flags
= GENL_ADMIN_PERM
,
10782 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10783 NL80211_FLAG_NEED_RTNL
,
10786 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10787 .doit
= nl80211_crit_protocol_start
,
10788 .policy
= nl80211_policy
,
10789 .flags
= GENL_ADMIN_PERM
,
10790 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10791 NL80211_FLAG_NEED_RTNL
,
10794 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10795 .doit
= nl80211_crit_protocol_stop
,
10796 .policy
= nl80211_policy
,
10797 .flags
= GENL_ADMIN_PERM
,
10798 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10799 NL80211_FLAG_NEED_RTNL
,
10802 .cmd
= NL80211_CMD_GET_COALESCE
,
10803 .doit
= nl80211_get_coalesce
,
10804 .policy
= nl80211_policy
,
10805 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10806 NL80211_FLAG_NEED_RTNL
,
10809 .cmd
= NL80211_CMD_SET_COALESCE
,
10810 .doit
= nl80211_set_coalesce
,
10811 .policy
= nl80211_policy
,
10812 .flags
= GENL_ADMIN_PERM
,
10813 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10814 NL80211_FLAG_NEED_RTNL
,
10817 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10818 .doit
= nl80211_channel_switch
,
10819 .policy
= nl80211_policy
,
10820 .flags
= GENL_ADMIN_PERM
,
10821 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10822 NL80211_FLAG_NEED_RTNL
,
10825 .cmd
= NL80211_CMD_VENDOR
,
10826 .doit
= nl80211_vendor_cmd
,
10827 .policy
= nl80211_policy
,
10828 .flags
= GENL_ADMIN_PERM
,
10829 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10830 NL80211_FLAG_NEED_RTNL
,
10833 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10834 .doit
= nl80211_set_qos_map
,
10835 .policy
= nl80211_policy
,
10836 .flags
= GENL_ADMIN_PERM
,
10837 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10838 NL80211_FLAG_NEED_RTNL
,
10841 .cmd
= NL80211_CMD_ADD_TX_TS
,
10842 .doit
= nl80211_add_tx_ts
,
10843 .policy
= nl80211_policy
,
10844 .flags
= GENL_ADMIN_PERM
,
10845 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10846 NL80211_FLAG_NEED_RTNL
,
10849 .cmd
= NL80211_CMD_DEL_TX_TS
,
10850 .doit
= nl80211_del_tx_ts
,
10851 .policy
= nl80211_policy
,
10852 .flags
= GENL_ADMIN_PERM
,
10853 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10854 NL80211_FLAG_NEED_RTNL
,
10857 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
10858 .doit
= nl80211_tdls_channel_switch
,
10859 .policy
= nl80211_policy
,
10860 .flags
= GENL_ADMIN_PERM
,
10861 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10862 NL80211_FLAG_NEED_RTNL
,
10865 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
10866 .doit
= nl80211_tdls_cancel_channel_switch
,
10867 .policy
= nl80211_policy
,
10868 .flags
= GENL_ADMIN_PERM
,
10869 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10870 NL80211_FLAG_NEED_RTNL
,
10874 /* notification functions */
10876 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10877 enum nl80211_commands cmd
)
10879 struct sk_buff
*msg
;
10880 struct nl80211_dump_wiphy_state state
= {};
10882 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10883 cmd
!= NL80211_CMD_DEL_WIPHY
);
10885 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10889 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10894 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10895 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10898 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10899 struct cfg80211_registered_device
*rdev
)
10901 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10902 struct nlattr
*nest
;
10908 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10910 goto nla_put_failure
;
10911 for (i
= 0; i
< req
->n_ssids
; i
++) {
10912 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10913 goto nla_put_failure
;
10915 nla_nest_end(msg
, nest
);
10917 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10919 goto nla_put_failure
;
10920 for (i
= 0; i
< req
->n_channels
; i
++) {
10921 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10922 goto nla_put_failure
;
10924 nla_nest_end(msg
, nest
);
10927 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10928 goto nla_put_failure
;
10931 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10932 goto nla_put_failure
;
10939 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10940 struct cfg80211_registered_device
*rdev
,
10941 struct wireless_dev
*wdev
,
10942 u32 portid
, u32 seq
, int flags
,
10947 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10951 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10952 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10953 wdev
->netdev
->ifindex
)) ||
10954 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10955 goto nla_put_failure
;
10957 /* ignore errors and send incomplete event anyway */
10958 nl80211_add_scan_req(msg
, rdev
);
10960 return genlmsg_end(msg
, hdr
);
10963 genlmsg_cancel(msg
, hdr
);
10968 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10969 struct cfg80211_registered_device
*rdev
,
10970 struct net_device
*netdev
,
10971 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10975 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10979 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10980 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10981 goto nla_put_failure
;
10983 return genlmsg_end(msg
, hdr
);
10986 genlmsg_cancel(msg
, hdr
);
10990 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10991 struct wireless_dev
*wdev
)
10993 struct sk_buff
*msg
;
10995 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10999 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11000 NL80211_CMD_TRIGGER_SCAN
) < 0) {
11005 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11006 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11009 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
11010 struct wireless_dev
*wdev
, bool aborted
)
11012 struct sk_buff
*msg
;
11014 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11018 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11019 aborted
? NL80211_CMD_SCAN_ABORTED
:
11020 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
11028 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
11029 struct sk_buff
*msg
)
11034 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11035 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11038 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
11039 struct net_device
*netdev
)
11041 struct sk_buff
*msg
;
11043 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11047 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
11048 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
11053 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11054 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11057 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
11058 struct net_device
*netdev
, u32 cmd
)
11060 struct sk_buff
*msg
;
11062 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11066 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
11071 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11072 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11075 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
11076 struct regulatory_request
*request
)
11078 /* Userspace can always count this one always being set */
11079 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
11080 goto nla_put_failure
;
11082 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
11083 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11084 NL80211_REGDOM_TYPE_WORLD
))
11085 goto nla_put_failure
;
11086 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
11087 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11088 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
11089 goto nla_put_failure
;
11090 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
11091 request
->intersect
) {
11092 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11093 NL80211_REGDOM_TYPE_INTERSECTION
))
11094 goto nla_put_failure
;
11096 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11097 NL80211_REGDOM_TYPE_COUNTRY
) ||
11098 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
11100 goto nla_put_failure
;
11103 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
11104 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
11107 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
11108 goto nla_put_failure
;
11111 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
11112 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
11113 goto nla_put_failure
;
11123 * This can happen on global regulatory changes or device specific settings
11124 * based on custom regulatory domains.
11126 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
11127 struct regulatory_request
*request
)
11129 struct sk_buff
*msg
;
11132 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11136 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
11142 if (nl80211_reg_change_event_fill(msg
, request
) == false)
11143 goto nla_put_failure
;
11145 genlmsg_end(msg
, hdr
);
11148 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11149 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11155 genlmsg_cancel(msg
, hdr
);
11159 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11160 struct net_device
*netdev
,
11161 const u8
*buf
, size_t len
,
11162 enum nl80211_commands cmd
, gfp_t gfp
,
11165 struct sk_buff
*msg
;
11168 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11172 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11178 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11179 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11180 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11181 goto nla_put_failure
;
11183 if (uapsd_queues
>= 0) {
11184 struct nlattr
*nla_wmm
=
11185 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11187 goto nla_put_failure
;
11189 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11191 goto nla_put_failure
;
11193 nla_nest_end(msg
, nla_wmm
);
11196 genlmsg_end(msg
, hdr
);
11198 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11199 NL80211_MCGRP_MLME
, gfp
);
11203 genlmsg_cancel(msg
, hdr
);
11207 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11208 struct net_device
*netdev
, const u8
*buf
,
11209 size_t len
, gfp_t gfp
)
11211 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11212 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11215 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11216 struct net_device
*netdev
, const u8
*buf
,
11217 size_t len
, gfp_t gfp
, int uapsd_queues
)
11219 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11220 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11223 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11224 struct net_device
*netdev
, const u8
*buf
,
11225 size_t len
, gfp_t gfp
)
11227 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11228 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11231 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11232 struct net_device
*netdev
, const u8
*buf
,
11233 size_t len
, gfp_t gfp
)
11235 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11236 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11239 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11242 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11243 struct wiphy
*wiphy
= wdev
->wiphy
;
11244 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11245 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11248 if (WARN_ON(len
< 2))
11251 if (ieee80211_is_deauth(mgmt
->frame_control
))
11252 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11254 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11256 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11257 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11259 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11261 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11262 struct net_device
*netdev
, int cmd
,
11263 const u8
*addr
, gfp_t gfp
)
11265 struct sk_buff
*msg
;
11268 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11272 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11278 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11279 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11280 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11281 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11282 goto nla_put_failure
;
11284 genlmsg_end(msg
, hdr
);
11286 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11287 NL80211_MCGRP_MLME
, gfp
);
11291 genlmsg_cancel(msg
, hdr
);
11295 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11296 struct net_device
*netdev
, const u8
*addr
,
11299 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11303 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11304 struct net_device
*netdev
, const u8
*addr
,
11307 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11311 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11312 struct net_device
*netdev
, const u8
*bssid
,
11313 const u8
*req_ie
, size_t req_ie_len
,
11314 const u8
*resp_ie
, size_t resp_ie_len
,
11315 u16 status
, gfp_t gfp
)
11317 struct sk_buff
*msg
;
11320 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11324 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11330 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11331 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11332 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11333 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11335 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11337 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11338 goto nla_put_failure
;
11340 genlmsg_end(msg
, hdr
);
11342 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11343 NL80211_MCGRP_MLME
, gfp
);
11347 genlmsg_cancel(msg
, hdr
);
11352 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11353 struct net_device
*netdev
, const u8
*bssid
,
11354 const u8
*req_ie
, size_t req_ie_len
,
11355 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11357 struct sk_buff
*msg
;
11360 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11364 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11370 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11371 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11372 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11374 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11376 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11377 goto nla_put_failure
;
11379 genlmsg_end(msg
, hdr
);
11381 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11382 NL80211_MCGRP_MLME
, gfp
);
11386 genlmsg_cancel(msg
, hdr
);
11391 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11392 struct net_device
*netdev
, u16 reason
,
11393 const u8
*ie
, size_t ie_len
, bool from_ap
)
11395 struct sk_buff
*msg
;
11398 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11402 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11408 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11409 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11410 (from_ap
&& reason
&&
11411 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
11413 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
11414 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11415 goto nla_put_failure
;
11417 genlmsg_end(msg
, hdr
);
11419 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11420 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11424 genlmsg_cancel(msg
, hdr
);
11429 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
11430 struct net_device
*netdev
, const u8
*bssid
,
11433 struct sk_buff
*msg
;
11436 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11440 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
11446 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11447 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11448 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11449 goto nla_put_failure
;
11451 genlmsg_end(msg
, hdr
);
11453 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11454 NL80211_MCGRP_MLME
, gfp
);
11458 genlmsg_cancel(msg
, hdr
);
11462 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
11463 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
11465 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11466 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11467 struct sk_buff
*msg
;
11470 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11473 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
11475 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11479 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11485 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11486 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11487 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11489 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11490 goto nla_put_failure
;
11492 genlmsg_end(msg
, hdr
);
11494 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11495 NL80211_MCGRP_MLME
, gfp
);
11499 genlmsg_cancel(msg
, hdr
);
11502 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11504 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11505 struct net_device
*netdev
, const u8
*addr
,
11506 enum nl80211_key_type key_type
, int key_id
,
11507 const u8
*tsc
, gfp_t gfp
)
11509 struct sk_buff
*msg
;
11512 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11516 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11522 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11523 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11524 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11525 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11527 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11528 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11529 goto nla_put_failure
;
11531 genlmsg_end(msg
, hdr
);
11533 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11534 NL80211_MCGRP_MLME
, gfp
);
11538 genlmsg_cancel(msg
, hdr
);
11542 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11543 struct ieee80211_channel
*channel_before
,
11544 struct ieee80211_channel
*channel_after
)
11546 struct sk_buff
*msg
;
11548 struct nlattr
*nl_freq
;
11550 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11554 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11561 * Since we are applying the beacon hint to a wiphy we know its
11562 * wiphy_idx is valid
11564 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11565 goto nla_put_failure
;
11568 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11570 goto nla_put_failure
;
11571 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11572 goto nla_put_failure
;
11573 nla_nest_end(msg
, nl_freq
);
11576 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11578 goto nla_put_failure
;
11579 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11580 goto nla_put_failure
;
11581 nla_nest_end(msg
, nl_freq
);
11583 genlmsg_end(msg
, hdr
);
11586 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11587 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11593 genlmsg_cancel(msg
, hdr
);
11597 static void nl80211_send_remain_on_chan_event(
11598 int cmd
, struct cfg80211_registered_device
*rdev
,
11599 struct wireless_dev
*wdev
, u64 cookie
,
11600 struct ieee80211_channel
*chan
,
11601 unsigned int duration
, gfp_t gfp
)
11603 struct sk_buff
*msg
;
11606 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11610 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11616 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11617 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11618 wdev
->netdev
->ifindex
)) ||
11619 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11620 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11621 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11622 NL80211_CHAN_NO_HT
) ||
11623 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11624 goto nla_put_failure
;
11626 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11627 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11628 goto nla_put_failure
;
11630 genlmsg_end(msg
, hdr
);
11632 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11633 NL80211_MCGRP_MLME
, gfp
);
11637 genlmsg_cancel(msg
, hdr
);
11641 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11642 struct ieee80211_channel
*chan
,
11643 unsigned int duration
, gfp_t gfp
)
11645 struct wiphy
*wiphy
= wdev
->wiphy
;
11646 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11648 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11649 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11650 rdev
, wdev
, cookie
, chan
,
11653 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11655 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11656 struct ieee80211_channel
*chan
,
11659 struct wiphy
*wiphy
= wdev
->wiphy
;
11660 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11662 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11663 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11664 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11666 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11668 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11669 struct station_info
*sinfo
, gfp_t gfp
)
11671 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11672 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11673 struct sk_buff
*msg
;
11675 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11677 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11681 if (nl80211_send_station(msg
, 0, 0, 0,
11682 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11687 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11688 NL80211_MCGRP_MLME
, gfp
);
11690 EXPORT_SYMBOL(cfg80211_new_sta
);
11692 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
11694 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11695 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11696 struct sk_buff
*msg
;
11699 trace_cfg80211_del_sta(dev
, mac_addr
);
11701 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11705 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
11711 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11712 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
11713 goto nla_put_failure
;
11715 genlmsg_end(msg
, hdr
);
11717 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11718 NL80211_MCGRP_MLME
, gfp
);
11722 genlmsg_cancel(msg
, hdr
);
11725 EXPORT_SYMBOL(cfg80211_del_sta
);
11727 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11728 enum nl80211_connect_failed_reason reason
,
11731 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11732 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11733 struct sk_buff
*msg
;
11736 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11740 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11746 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11747 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11748 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11749 goto nla_put_failure
;
11751 genlmsg_end(msg
, hdr
);
11753 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11754 NL80211_MCGRP_MLME
, gfp
);
11758 genlmsg_cancel(msg
, hdr
);
11761 EXPORT_SYMBOL(cfg80211_conn_failed
);
11763 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11764 const u8
*addr
, gfp_t gfp
)
11766 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11767 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11768 struct sk_buff
*msg
;
11770 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11775 msg
= nlmsg_new(100, gfp
);
11779 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11785 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11786 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11787 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11788 goto nla_put_failure
;
11790 genlmsg_end(msg
, hdr
);
11791 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11795 genlmsg_cancel(msg
, hdr
);
11800 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11801 const u8
*addr
, gfp_t gfp
)
11803 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11806 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11808 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11809 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11810 trace_cfg80211_return_bool(false);
11813 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11815 trace_cfg80211_return_bool(ret
);
11818 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11820 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11821 const u8
*addr
, gfp_t gfp
)
11823 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11826 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11828 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11829 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11830 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11831 trace_cfg80211_return_bool(false);
11834 ret
= __nl80211_unexpected_frame(dev
,
11835 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11837 trace_cfg80211_return_bool(ret
);
11840 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11842 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11843 struct wireless_dev
*wdev
, u32 nlportid
,
11844 int freq
, int sig_dbm
,
11845 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11847 struct net_device
*netdev
= wdev
->netdev
;
11848 struct sk_buff
*msg
;
11851 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11855 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11861 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11862 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11863 netdev
->ifindex
)) ||
11864 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11865 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11867 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11868 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11870 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11871 goto nla_put_failure
;
11873 genlmsg_end(msg
, hdr
);
11875 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11878 genlmsg_cancel(msg
, hdr
);
11883 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11884 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11886 struct wiphy
*wiphy
= wdev
->wiphy
;
11887 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11888 struct net_device
*netdev
= wdev
->netdev
;
11889 struct sk_buff
*msg
;
11892 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11894 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11898 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11904 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11905 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11906 netdev
->ifindex
)) ||
11907 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11908 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11909 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11910 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11911 goto nla_put_failure
;
11913 genlmsg_end(msg
, hdr
);
11915 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11916 NL80211_MCGRP_MLME
, gfp
);
11920 genlmsg_cancel(msg
, hdr
);
11923 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11925 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
11926 const char *mac
, gfp_t gfp
)
11928 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11929 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11930 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11936 cb
= (void **)msg
->cb
;
11938 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11944 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11945 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11946 goto nla_put_failure
;
11948 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
11949 goto nla_put_failure
;
11951 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
11953 goto nla_put_failure
;
11963 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
11965 void **cb
= (void **)msg
->cb
;
11966 struct cfg80211_registered_device
*rdev
= cb
[2];
11968 nla_nest_end(msg
, cb
[1]);
11969 genlmsg_end(msg
, cb
[0]);
11971 memset(msg
->cb
, 0, sizeof(msg
->cb
));
11973 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11974 NL80211_MCGRP_MLME
, gfp
);
11977 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11978 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11981 struct sk_buff
*msg
;
11983 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11985 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
11986 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
11989 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
11993 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11995 goto nla_put_failure
;
11997 cfg80211_send_cqm(msg
, gfp
);
12004 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
12006 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
12007 const u8
*peer
, u32 num_packets
,
12008 u32 rate
, u32 intvl
, gfp_t gfp
)
12010 struct sk_buff
*msg
;
12012 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12016 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12017 goto nla_put_failure
;
12019 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12020 goto nla_put_failure
;
12022 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12023 goto nla_put_failure
;
12025 cfg80211_send_cqm(msg
, gfp
);
12031 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12033 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12034 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12036 struct sk_buff
*msg
;
12038 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12040 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12044 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12045 goto nla_put_failure
;
12047 cfg80211_send_cqm(msg
, gfp
);
12053 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12055 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
12057 struct sk_buff
*msg
;
12059 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12063 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
12064 goto nla_put_failure
;
12066 cfg80211_send_cqm(msg
, gfp
);
12072 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
12074 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
12075 struct net_device
*netdev
, const u8
*bssid
,
12076 const u8
*replay_ctr
, gfp_t gfp
)
12078 struct sk_buff
*msg
;
12079 struct nlattr
*rekey_attr
;
12082 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12086 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
12092 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12093 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12094 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12095 goto nla_put_failure
;
12097 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
12099 goto nla_put_failure
;
12101 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
12102 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
12103 goto nla_put_failure
;
12105 nla_nest_end(msg
, rekey_attr
);
12107 genlmsg_end(msg
, hdr
);
12109 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12110 NL80211_MCGRP_MLME
, gfp
);
12114 genlmsg_cancel(msg
, hdr
);
12118 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
12119 const u8
*replay_ctr
, gfp_t gfp
)
12121 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12122 struct wiphy
*wiphy
= wdev
->wiphy
;
12123 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12125 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
12126 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
12128 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
12131 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
12132 struct net_device
*netdev
, int index
,
12133 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12135 struct sk_buff
*msg
;
12136 struct nlattr
*attr
;
12139 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12143 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
12149 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12150 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12151 goto nla_put_failure
;
12153 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
12155 goto nla_put_failure
;
12157 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12158 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12160 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12161 goto nla_put_failure
;
12163 nla_nest_end(msg
, attr
);
12165 genlmsg_end(msg
, hdr
);
12167 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12168 NL80211_MCGRP_MLME
, gfp
);
12172 genlmsg_cancel(msg
, hdr
);
12176 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12177 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12179 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12180 struct wiphy
*wiphy
= wdev
->wiphy
;
12181 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12183 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12184 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12186 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12188 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12189 struct net_device
*netdev
,
12190 struct cfg80211_chan_def
*chandef
,
12192 enum nl80211_commands notif
,
12195 struct sk_buff
*msg
;
12198 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12202 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12208 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12209 goto nla_put_failure
;
12211 if (nl80211_send_chandef(msg
, chandef
))
12212 goto nla_put_failure
;
12214 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12215 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12216 goto nla_put_failure
;
12218 genlmsg_end(msg
, hdr
);
12220 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12221 NL80211_MCGRP_MLME
, gfp
);
12225 genlmsg_cancel(msg
, hdr
);
12229 void cfg80211_ch_switch_notify(struct net_device
*dev
,
12230 struct cfg80211_chan_def
*chandef
)
12232 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12233 struct wiphy
*wiphy
= wdev
->wiphy
;
12234 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12236 ASSERT_WDEV_LOCK(wdev
);
12238 trace_cfg80211_ch_switch_notify(dev
, chandef
);
12240 wdev
->chandef
= *chandef
;
12241 wdev
->preset_chandef
= *chandef
;
12242 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12243 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
12245 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
12247 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
12248 struct cfg80211_chan_def
*chandef
,
12251 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12252 struct wiphy
*wiphy
= wdev
->wiphy
;
12253 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12255 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
12257 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12258 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
12260 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
12263 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12264 const struct cfg80211_chan_def
*chandef
,
12265 enum nl80211_radar_event event
,
12266 struct net_device
*netdev
, gfp_t gfp
)
12268 struct sk_buff
*msg
;
12271 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12275 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12281 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12282 goto nla_put_failure
;
12284 /* NOP and radar events don't need a netdev parameter */
12286 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12288 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12289 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12290 goto nla_put_failure
;
12293 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12294 goto nla_put_failure
;
12296 if (nl80211_send_chandef(msg
, chandef
))
12297 goto nla_put_failure
;
12299 genlmsg_end(msg
, hdr
);
12301 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12302 NL80211_MCGRP_MLME
, gfp
);
12306 genlmsg_cancel(msg
, hdr
);
12310 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12311 u64 cookie
, bool acked
, gfp_t gfp
)
12313 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12314 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12315 struct sk_buff
*msg
;
12318 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12320 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12325 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12331 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12332 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12333 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12334 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12335 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12336 goto nla_put_failure
;
12338 genlmsg_end(msg
, hdr
);
12340 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12341 NL80211_MCGRP_MLME
, gfp
);
12345 genlmsg_cancel(msg
, hdr
);
12348 EXPORT_SYMBOL(cfg80211_probe_status
);
12350 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12351 const u8
*frame
, size_t len
,
12352 int freq
, int sig_dbm
)
12354 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12355 struct sk_buff
*msg
;
12357 struct cfg80211_beacon_registration
*reg
;
12359 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12361 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12362 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12363 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12365 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12369 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12371 goto nla_put_failure
;
12373 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12375 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12377 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12378 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12379 goto nla_put_failure
;
12381 genlmsg_end(msg
, hdr
);
12383 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12385 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12389 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12391 genlmsg_cancel(msg
, hdr
);
12394 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12397 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12398 struct cfg80211_wowlan_wakeup
*wakeup
)
12400 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12401 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12404 nl_results
= nla_nest_start(
12405 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12409 for (i
= 0; i
< nd
->n_matches
; i
++) {
12410 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12412 nl_match
= nla_nest_start(msg
, i
);
12416 /* The SSID attribute is optional in nl80211, but for
12417 * simplicity reasons it's always present in the
12418 * cfg80211 structure. If a driver can't pass the
12419 * SSID, that needs to be changed. A zero length SSID
12420 * is still a valid SSID (wildcard), so it cannot be
12421 * used for this purpose.
12423 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
12424 match
->ssid
.ssid
)) {
12425 nla_nest_cancel(msg
, nl_match
);
12429 if (match
->n_channels
) {
12430 nl_freqs
= nla_nest_start(
12431 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12433 nla_nest_cancel(msg
, nl_match
);
12437 for (j
= 0; j
< match
->n_channels
; j
++) {
12438 if (nla_put_u32(msg
,
12439 NL80211_ATTR_WIPHY_FREQ
,
12440 match
->channels
[j
])) {
12441 nla_nest_cancel(msg
, nl_freqs
);
12442 nla_nest_cancel(msg
, nl_match
);
12447 nla_nest_end(msg
, nl_freqs
);
12450 nla_nest_end(msg
, nl_match
);
12454 nla_nest_end(msg
, nl_results
);
12458 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
12459 struct cfg80211_wowlan_wakeup
*wakeup
,
12462 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12463 struct sk_buff
*msg
;
12467 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
12470 size
+= wakeup
->packet_present_len
;
12472 msg
= nlmsg_new(size
, gfp
);
12476 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
12480 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12481 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12484 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12485 wdev
->netdev
->ifindex
))
12489 struct nlattr
*reasons
;
12491 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
12495 if (wakeup
->disconnect
&&
12496 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
12498 if (wakeup
->magic_pkt
&&
12499 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
12501 if (wakeup
->gtk_rekey_failure
&&
12502 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
12504 if (wakeup
->eap_identity_req
&&
12505 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
12507 if (wakeup
->four_way_handshake
&&
12508 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
12510 if (wakeup
->rfkill_release
&&
12511 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
12514 if (wakeup
->pattern_idx
>= 0 &&
12515 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
12516 wakeup
->pattern_idx
))
12519 if (wakeup
->tcp_match
&&
12520 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
12523 if (wakeup
->tcp_connlost
&&
12524 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
12527 if (wakeup
->tcp_nomoretokens
&&
12529 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
12532 if (wakeup
->packet
) {
12533 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
12534 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
12536 if (!wakeup
->packet_80211
) {
12538 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
12540 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
12543 if (wakeup
->packet_len
&&
12544 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
12547 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
12552 if (wakeup
->net_detect
&&
12553 cfg80211_net_detect_results(msg
, wakeup
))
12556 nla_nest_end(msg
, reasons
);
12559 genlmsg_end(msg
, hdr
);
12561 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12562 NL80211_MCGRP_MLME
, gfp
);
12568 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12571 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12572 enum nl80211_tdls_operation oper
,
12573 u16 reason_code
, gfp_t gfp
)
12575 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12576 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12577 struct sk_buff
*msg
;
12580 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12583 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12587 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12593 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12594 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12595 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12596 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12597 (reason_code
> 0 &&
12598 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12599 goto nla_put_failure
;
12601 genlmsg_end(msg
, hdr
);
12603 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12604 NL80211_MCGRP_MLME
, gfp
);
12608 genlmsg_cancel(msg
, hdr
);
12611 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12613 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12614 unsigned long state
,
12617 struct netlink_notify
*notify
= _notify
;
12618 struct cfg80211_registered_device
*rdev
;
12619 struct wireless_dev
*wdev
;
12620 struct cfg80211_beacon_registration
*reg
, *tmp
;
12622 if (state
!= NETLINK_URELEASE
)
12623 return NOTIFY_DONE
;
12627 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12628 bool schedule_destroy_work
= false;
12629 bool schedule_scan_stop
= false;
12630 struct cfg80211_sched_scan_request
*sched_scan_req
=
12631 rcu_dereference(rdev
->sched_scan_req
);
12633 if (sched_scan_req
&& notify
->portid
&&
12634 sched_scan_req
->owner_nlportid
== notify
->portid
)
12635 schedule_scan_stop
= true;
12637 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12638 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12640 if (wdev
->owner_nlportid
== notify
->portid
)
12641 schedule_destroy_work
= true;
12644 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12645 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12647 if (reg
->nlportid
== notify
->portid
) {
12648 list_del(®
->list
);
12653 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12655 if (schedule_destroy_work
) {
12656 struct cfg80211_iface_destroy
*destroy
;
12658 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12660 destroy
->nlportid
= notify
->portid
;
12661 spin_lock(&rdev
->destroy_list_lock
);
12662 list_add(&destroy
->list
, &rdev
->destroy_list
);
12663 spin_unlock(&rdev
->destroy_list_lock
);
12664 schedule_work(&rdev
->destroy_work
);
12666 } else if (schedule_scan_stop
) {
12667 sched_scan_req
->owner_nlportid
= 0;
12669 if (rdev
->ops
->sched_scan_stop
&&
12670 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
12671 schedule_work(&rdev
->sched_scan_stop_wk
);
12680 static struct notifier_block nl80211_netlink_notifier
= {
12681 .notifier_call
= nl80211_netlink_notify
,
12684 void cfg80211_ft_event(struct net_device
*netdev
,
12685 struct cfg80211_ft_event_params
*ft_event
)
12687 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12688 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12689 struct sk_buff
*msg
;
12692 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12694 if (!ft_event
->target_ap
)
12697 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12701 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12705 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12706 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12707 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12710 if (ft_event
->ies
&&
12711 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12713 if (ft_event
->ric_ies
&&
12714 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12715 ft_event
->ric_ies
))
12718 genlmsg_end(msg
, hdr
);
12720 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12721 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12726 EXPORT_SYMBOL(cfg80211_ft_event
);
12728 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12730 struct cfg80211_registered_device
*rdev
;
12731 struct sk_buff
*msg
;
12735 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12736 if (!rdev
->crit_proto_nlportid
)
12739 nlportid
= rdev
->crit_proto_nlportid
;
12740 rdev
->crit_proto_nlportid
= 0;
12742 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12746 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12748 goto nla_put_failure
;
12750 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12751 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12752 goto nla_put_failure
;
12754 genlmsg_end(msg
, hdr
);
12756 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12761 genlmsg_cancel(msg
, hdr
);
12765 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12767 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12769 struct wiphy
*wiphy
= wdev
->wiphy
;
12770 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12771 struct sk_buff
*msg
;
12774 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12778 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12782 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12783 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12784 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12787 genlmsg_end(msg
, hdr
);
12789 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12790 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12796 /* initialisation/exit functions */
12798 int nl80211_init(void)
12802 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12807 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12813 genl_unregister_family(&nl80211_fam
);
12817 void nl80211_exit(void)
12819 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12820 genl_unregister_family(&nl80211_fam
);