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
},
400 [NL80211_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
401 [NL80211_ATTR_SCHED_SCAN_DELAY
] = { .type
= NLA_U32
},
404 /* policy for the key attributes */
405 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
406 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
407 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
408 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
409 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
410 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
411 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
412 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
413 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
416 /* policy for the key default flags */
417 static const struct nla_policy
418 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
419 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
420 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
423 /* policy for WoWLAN attributes */
424 static const struct nla_policy
425 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
426 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
427 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
428 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
429 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
430 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
431 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
432 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
433 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
434 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
435 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
438 static const struct nla_policy
439 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
440 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
441 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
442 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
443 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
444 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
445 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
446 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
447 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
449 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
450 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
452 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
453 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
454 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
457 /* policy for coalesce rule attributes */
458 static const struct nla_policy
459 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
460 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
461 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
462 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
465 /* policy for GTK rekey offload attributes */
466 static const struct nla_policy
467 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
468 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
469 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
470 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
473 static const struct nla_policy
474 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
475 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
476 .len
= IEEE80211_MAX_SSID_LEN
},
477 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
480 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
481 struct netlink_callback
*cb
,
482 struct cfg80211_registered_device
**rdev
,
483 struct wireless_dev
**wdev
)
490 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
491 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
496 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
497 nl80211_fam
.attrbuf
);
499 err
= PTR_ERR(*wdev
);
502 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
503 /* 0 is the first index - add 1 to parse only once */
504 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
505 cb
->args
[1] = (*wdev
)->identifier
;
507 /* subtract the 1 again here */
508 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
509 struct wireless_dev
*tmp
;
515 *rdev
= wiphy_to_rdev(wiphy
);
518 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
519 if (tmp
->identifier
== cb
->args
[1]) {
537 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
543 static bool is_valid_ie_attr(const struct nlattr
*attr
)
551 pos
= nla_data(attr
);
572 /* message building helper */
573 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
576 /* since there is no private header just add the generic one */
577 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
580 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
581 struct ieee80211_channel
*chan
,
584 /* Some channels must be completely excluded from the
585 * list to protect old user-space tools from breaking
587 if (!large
&& chan
->flags
&
588 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
591 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
593 goto nla_put_failure
;
595 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
596 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
597 goto nla_put_failure
;
598 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
599 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
600 goto nla_put_failure
;
601 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
602 goto nla_put_failure
;
604 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
605 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
606 goto nla_put_failure
;
610 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
612 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
614 goto nla_put_failure
;
615 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
617 goto nla_put_failure
;
619 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
621 goto nla_put_failure
;
626 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
627 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
628 goto nla_put_failure
;
629 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
630 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
631 goto nla_put_failure
;
632 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
633 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
634 goto nla_put_failure
;
635 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
636 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
637 goto nla_put_failure
;
638 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
639 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
640 goto nla_put_failure
;
641 if ((chan
->flags
& IEEE80211_CHAN_GO_CONCURRENT
) &&
642 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_GO_CONCURRENT
))
643 goto nla_put_failure
;
644 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
645 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
646 goto nla_put_failure
;
647 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
648 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
649 goto nla_put_failure
;
652 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
653 DBM_TO_MBM(chan
->max_power
)))
654 goto nla_put_failure
;
662 /* netlink command implementations */
669 bool def_uni
, def_multi
;
672 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
674 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
675 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
680 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
681 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
690 if (tb
[NL80211_KEY_IDX
])
691 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
693 if (tb
[NL80211_KEY_DATA
]) {
694 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
695 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
698 if (tb
[NL80211_KEY_SEQ
]) {
699 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
700 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
703 if (tb
[NL80211_KEY_CIPHER
])
704 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
706 if (tb
[NL80211_KEY_TYPE
]) {
707 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
708 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
712 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
713 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
714 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
715 tb
[NL80211_KEY_DEFAULT_TYPES
],
716 nl80211_key_default_policy
);
720 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
721 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
727 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
729 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
730 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
731 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
734 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
735 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
736 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
739 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
740 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
742 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
743 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
745 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
746 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
755 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
756 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
757 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
761 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
762 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
763 int err
= nla_parse_nested(
764 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
765 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
766 nl80211_key_default_policy
);
770 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
771 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
777 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
781 memset(k
, 0, sizeof(*k
));
785 if (info
->attrs
[NL80211_ATTR_KEY
])
786 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
788 err
= nl80211_parse_key_old(info
, k
);
793 if (k
->def
&& k
->defmgmt
)
797 if (k
->def_uni
|| !k
->def_multi
)
803 if (k
->idx
< 4 || k
->idx
> 5)
806 if (k
->idx
< 0 || k
->idx
> 3)
809 if (k
->idx
< 0 || k
->idx
> 5)
817 static struct cfg80211_cached_keys
*
818 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
819 struct nlattr
*keys
, bool *no_ht
)
821 struct key_parse parse
;
823 struct cfg80211_cached_keys
*result
;
824 int rem
, err
, def
= 0;
826 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
828 return ERR_PTR(-ENOMEM
);
831 result
->defmgmt
= -1;
833 nla_for_each_nested(key
, keys
, rem
) {
834 memset(&parse
, 0, sizeof(parse
));
837 err
= nl80211_parse_key_new(key
, &parse
);
843 if (parse
.idx
< 0 || parse
.idx
> 4)
849 result
->def
= parse
.idx
;
850 if (!parse
.def_uni
|| !parse
.def_multi
)
852 } else if (parse
.defmgmt
)
854 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
855 parse
.idx
, false, NULL
);
858 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
859 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
860 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
861 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
863 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
864 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
876 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
878 ASSERT_WDEV_LOCK(wdev
);
880 switch (wdev
->iftype
) {
881 case NL80211_IFTYPE_AP
:
882 case NL80211_IFTYPE_AP_VLAN
:
883 case NL80211_IFTYPE_P2P_GO
:
884 case NL80211_IFTYPE_MESH_POINT
:
886 case NL80211_IFTYPE_ADHOC
:
887 case NL80211_IFTYPE_STATION
:
888 case NL80211_IFTYPE_P2P_CLIENT
:
889 if (!wdev
->current_bss
)
892 case NL80211_IFTYPE_UNSPECIFIED
:
893 case NL80211_IFTYPE_OCB
:
894 case NL80211_IFTYPE_MONITOR
:
895 case NL80211_IFTYPE_P2P_DEVICE
:
896 case NL80211_IFTYPE_WDS
:
897 case NUM_NL80211_IFTYPES
:
904 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
907 struct ieee80211_channel
*chan
;
911 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
912 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
917 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
919 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
923 goto nla_put_failure
;
927 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
928 goto nla_put_failure
;
933 nla_nest_end(msg
, nl_modes
);
940 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
944 struct nlattr
*nl_combis
;
947 nl_combis
= nla_nest_start(msg
,
948 NL80211_ATTR_INTERFACE_COMBINATIONS
);
950 goto nla_put_failure
;
952 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
953 const struct ieee80211_iface_combination
*c
;
954 struct nlattr
*nl_combi
, *nl_limits
;
956 c
= &wiphy
->iface_combinations
[i
];
958 nl_combi
= nla_nest_start(msg
, i
+ 1);
960 goto nla_put_failure
;
962 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
964 goto nla_put_failure
;
966 for (j
= 0; j
< c
->n_limits
; j
++) {
967 struct nlattr
*nl_limit
;
969 nl_limit
= nla_nest_start(msg
, j
+ 1);
971 goto nla_put_failure
;
972 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
974 goto nla_put_failure
;
975 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
977 goto nla_put_failure
;
978 nla_nest_end(msg
, nl_limit
);
981 nla_nest_end(msg
, nl_limits
);
983 if (c
->beacon_int_infra_match
&&
984 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
985 goto nla_put_failure
;
986 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
987 c
->num_different_channels
) ||
988 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
990 goto nla_put_failure
;
992 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
993 c
->radar_detect_widths
) ||
994 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
995 c
->radar_detect_regions
)))
996 goto nla_put_failure
;
998 nla_nest_end(msg
, nl_combi
);
1001 nla_nest_end(msg
, nl_combis
);
1009 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1010 struct sk_buff
*msg
)
1012 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1013 struct nlattr
*nl_tcp
;
1018 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1022 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1023 tcp
->data_payload_max
))
1026 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1027 tcp
->data_payload_max
))
1030 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1033 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1034 sizeof(*tcp
->tok
), tcp
->tok
))
1037 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1038 tcp
->data_interval_max
))
1041 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1042 tcp
->wake_payload_max
))
1045 nla_nest_end(msg
, nl_tcp
);
1049 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1050 struct cfg80211_registered_device
*rdev
,
1053 struct nlattr
*nl_wowlan
;
1055 if (!rdev
->wiphy
.wowlan
)
1058 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1062 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1063 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1064 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1065 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1066 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1067 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1068 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1069 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1070 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1071 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1072 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1073 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1074 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1075 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1076 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1077 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1080 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1081 struct nl80211_pattern_support pat
= {
1082 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1083 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1084 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1085 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1088 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1093 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1094 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1095 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1098 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1101 /* TODO: send wowlan net detect */
1103 nla_nest_end(msg
, nl_wowlan
);
1109 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1110 struct cfg80211_registered_device
*rdev
)
1112 struct nl80211_coalesce_rule_support rule
;
1114 if (!rdev
->wiphy
.coalesce
)
1117 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1118 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1119 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1120 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1121 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1122 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1124 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1130 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1131 struct ieee80211_supported_band
*sband
)
1133 struct nlattr
*nl_rates
, *nl_rate
;
1134 struct ieee80211_rate
*rate
;
1138 if (sband
->ht_cap
.ht_supported
&&
1139 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1140 sizeof(sband
->ht_cap
.mcs
),
1141 &sband
->ht_cap
.mcs
) ||
1142 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1143 sband
->ht_cap
.cap
) ||
1144 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1145 sband
->ht_cap
.ampdu_factor
) ||
1146 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1147 sband
->ht_cap
.ampdu_density
)))
1151 if (sband
->vht_cap
.vht_supported
&&
1152 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1153 sizeof(sband
->vht_cap
.vht_mcs
),
1154 &sband
->vht_cap
.vht_mcs
) ||
1155 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1156 sband
->vht_cap
.cap
)))
1160 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1164 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1165 nl_rate
= nla_nest_start(msg
, i
);
1169 rate
= &sband
->bitrates
[i
];
1170 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1173 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1175 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1178 nla_nest_end(msg
, nl_rate
);
1181 nla_nest_end(msg
, nl_rates
);
1187 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1188 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1191 struct nlattr
*nl_ftypes
, *nl_ifs
;
1192 enum nl80211_iftype ift
;
1198 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1202 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1203 nl_ftypes
= nla_nest_start(msg
, ift
);
1207 stypes
= mgmt_stypes
[ift
].tx
;
1210 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1211 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1216 nla_nest_end(msg
, nl_ftypes
);
1219 nla_nest_end(msg
, nl_ifs
);
1221 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1225 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1226 nl_ftypes
= nla_nest_start(msg
, ift
);
1230 stypes
= mgmt_stypes
[ift
].rx
;
1233 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1234 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1239 nla_nest_end(msg
, nl_ftypes
);
1241 nla_nest_end(msg
, nl_ifs
);
1246 struct nl80211_dump_wiphy_state
{
1249 long split_start
, band_start
, chan_start
;
1253 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1254 enum nl80211_commands cmd
,
1255 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1256 int flags
, struct nl80211_dump_wiphy_state
*state
)
1259 struct nlattr
*nl_bands
, *nl_band
;
1260 struct nlattr
*nl_freqs
, *nl_freq
;
1261 struct nlattr
*nl_cmds
;
1262 enum ieee80211_band band
;
1263 struct ieee80211_channel
*chan
;
1265 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1266 rdev
->wiphy
.mgmt_stypes
;
1269 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1273 if (WARN_ON(!state
))
1276 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1277 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1278 wiphy_name(&rdev
->wiphy
)) ||
1279 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1280 cfg80211_rdev_list_generation
))
1281 goto nla_put_failure
;
1283 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1286 switch (state
->split_start
) {
1288 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1289 rdev
->wiphy
.retry_short
) ||
1290 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1291 rdev
->wiphy
.retry_long
) ||
1292 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1293 rdev
->wiphy
.frag_threshold
) ||
1294 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1295 rdev
->wiphy
.rts_threshold
) ||
1296 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1297 rdev
->wiphy
.coverage_class
) ||
1298 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1299 rdev
->wiphy
.max_scan_ssids
) ||
1300 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1301 rdev
->wiphy
.max_sched_scan_ssids
) ||
1302 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1303 rdev
->wiphy
.max_scan_ie_len
) ||
1304 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1305 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1306 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1307 rdev
->wiphy
.max_match_sets
))
1308 goto nla_put_failure
;
1310 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1311 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1312 goto nla_put_failure
;
1313 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1314 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1315 goto nla_put_failure
;
1316 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1317 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1318 goto nla_put_failure
;
1319 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1320 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1321 goto nla_put_failure
;
1322 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1323 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1324 goto nla_put_failure
;
1325 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1326 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1327 goto nla_put_failure
;
1328 state
->split_start
++;
1332 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1333 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1334 rdev
->wiphy
.cipher_suites
))
1335 goto nla_put_failure
;
1337 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1338 rdev
->wiphy
.max_num_pmkids
))
1339 goto nla_put_failure
;
1341 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1342 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1343 goto nla_put_failure
;
1345 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1346 rdev
->wiphy
.available_antennas_tx
) ||
1347 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1348 rdev
->wiphy
.available_antennas_rx
))
1349 goto nla_put_failure
;
1351 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1352 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1353 rdev
->wiphy
.probe_resp_offload
))
1354 goto nla_put_failure
;
1356 if ((rdev
->wiphy
.available_antennas_tx
||
1357 rdev
->wiphy
.available_antennas_rx
) &&
1358 rdev
->ops
->get_antenna
) {
1359 u32 tx_ant
= 0, rx_ant
= 0;
1361 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1363 if (nla_put_u32(msg
,
1364 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1367 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1369 goto nla_put_failure
;
1373 state
->split_start
++;
1377 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1378 rdev
->wiphy
.interface_modes
))
1379 goto nla_put_failure
;
1380 state
->split_start
++;
1384 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1386 goto nla_put_failure
;
1388 for (band
= state
->band_start
;
1389 band
< IEEE80211_NUM_BANDS
; band
++) {
1390 struct ieee80211_supported_band
*sband
;
1392 sband
= rdev
->wiphy
.bands
[band
];
1397 nl_band
= nla_nest_start(msg
, band
);
1399 goto nla_put_failure
;
1401 switch (state
->chan_start
) {
1403 if (nl80211_send_band_rateinfo(msg
, sband
))
1404 goto nla_put_failure
;
1405 state
->chan_start
++;
1409 /* add frequencies */
1410 nl_freqs
= nla_nest_start(
1411 msg
, NL80211_BAND_ATTR_FREQS
);
1413 goto nla_put_failure
;
1415 for (i
= state
->chan_start
- 1;
1416 i
< sband
->n_channels
;
1418 nl_freq
= nla_nest_start(msg
, i
);
1420 goto nla_put_failure
;
1422 chan
= &sband
->channels
[i
];
1424 if (nl80211_msg_put_channel(
1427 goto nla_put_failure
;
1429 nla_nest_end(msg
, nl_freq
);
1433 if (i
< sband
->n_channels
)
1434 state
->chan_start
= i
+ 2;
1436 state
->chan_start
= 0;
1437 nla_nest_end(msg
, nl_freqs
);
1440 nla_nest_end(msg
, nl_band
);
1443 /* start again here */
1444 if (state
->chan_start
)
1449 nla_nest_end(msg
, nl_bands
);
1451 if (band
< IEEE80211_NUM_BANDS
)
1452 state
->band_start
= band
+ 1;
1454 state
->band_start
= 0;
1456 /* if bands & channels are done, continue outside */
1457 if (state
->band_start
== 0 && state
->chan_start
== 0)
1458 state
->split_start
++;
1462 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1464 goto nla_put_failure
;
1467 #define CMD(op, n) \
1469 if (rdev->ops->op) { \
1471 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1472 goto nla_put_failure; \
1476 CMD(add_virtual_intf
, NEW_INTERFACE
);
1477 CMD(change_virtual_intf
, SET_INTERFACE
);
1478 CMD(add_key
, NEW_KEY
);
1479 CMD(start_ap
, START_AP
);
1480 CMD(add_station
, NEW_STATION
);
1481 CMD(add_mpath
, NEW_MPATH
);
1482 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1483 CMD(change_bss
, SET_BSS
);
1484 CMD(auth
, AUTHENTICATE
);
1485 CMD(assoc
, ASSOCIATE
);
1486 CMD(deauth
, DEAUTHENTICATE
);
1487 CMD(disassoc
, DISASSOCIATE
);
1488 CMD(join_ibss
, JOIN_IBSS
);
1489 CMD(join_mesh
, JOIN_MESH
);
1490 CMD(set_pmksa
, SET_PMKSA
);
1491 CMD(del_pmksa
, DEL_PMKSA
);
1492 CMD(flush_pmksa
, FLUSH_PMKSA
);
1493 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1494 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1495 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1496 CMD(mgmt_tx
, FRAME
);
1497 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1498 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1500 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1501 goto nla_put_failure
;
1503 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1504 rdev
->ops
->join_mesh
) {
1506 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1507 goto nla_put_failure
;
1509 CMD(set_wds_peer
, SET_WDS_PEER
);
1510 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1511 CMD(tdls_mgmt
, TDLS_MGMT
);
1512 CMD(tdls_oper
, TDLS_OPER
);
1514 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1515 CMD(sched_scan_start
, START_SCHED_SCAN
);
1516 CMD(probe_client
, PROBE_CLIENT
);
1517 CMD(set_noack_map
, SET_NOACK_MAP
);
1518 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1520 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1521 goto nla_put_failure
;
1523 CMD(start_p2p_device
, START_P2P_DEVICE
);
1524 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1525 #ifdef CONFIG_NL80211_TESTMODE
1526 CMD(testmode_cmd
, TESTMODE
);
1529 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1530 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1531 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1532 CMD(channel_switch
, CHANNEL_SWITCH
);
1533 CMD(set_qos_map
, SET_QOS_MAP
);
1534 if (rdev
->wiphy
.features
&
1535 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1536 CMD(add_tx_ts
, ADD_TX_TS
);
1538 /* add into the if now */
1541 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1543 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1544 goto nla_put_failure
;
1547 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1549 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1550 goto nla_put_failure
;
1553 nla_nest_end(msg
, nl_cmds
);
1554 state
->split_start
++;
1558 if (rdev
->ops
->remain_on_channel
&&
1559 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1561 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1562 rdev
->wiphy
.max_remain_on_channel_duration
))
1563 goto nla_put_failure
;
1565 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1566 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1567 goto nla_put_failure
;
1569 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1570 goto nla_put_failure
;
1571 state
->split_start
++;
1576 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1577 goto nla_put_failure
;
1578 state
->split_start
++;
1582 state
->split_start
++;
1585 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1586 rdev
->wiphy
.software_iftypes
))
1587 goto nla_put_failure
;
1589 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1591 goto nla_put_failure
;
1593 state
->split_start
++;
1597 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1598 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1599 rdev
->wiphy
.ap_sme_capa
))
1600 goto nla_put_failure
;
1602 features
= rdev
->wiphy
.features
;
1604 * We can only add the per-channel limit information if the
1605 * dump is split, otherwise it makes it too big. Therefore
1606 * only advertise it in that case.
1609 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1610 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1611 goto nla_put_failure
;
1613 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1614 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1615 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1616 rdev
->wiphy
.ht_capa_mod_mask
))
1617 goto nla_put_failure
;
1619 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1620 rdev
->wiphy
.max_acl_mac_addrs
&&
1621 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1622 rdev
->wiphy
.max_acl_mac_addrs
))
1623 goto nla_put_failure
;
1626 * Any information below this point is only available to
1627 * applications that can deal with it being split. This
1628 * helps ensure that newly added capabilities don't break
1629 * older tools by overrunning their buffers.
1631 * We still increment split_start so that in the split
1632 * case we'll continue with more data in the next round,
1633 * but break unconditionally so unsplit data stops here.
1635 state
->split_start
++;
1638 if (rdev
->wiphy
.extended_capabilities
&&
1639 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1640 rdev
->wiphy
.extended_capabilities_len
,
1641 rdev
->wiphy
.extended_capabilities
) ||
1642 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1643 rdev
->wiphy
.extended_capabilities_len
,
1644 rdev
->wiphy
.extended_capabilities_mask
)))
1645 goto nla_put_failure
;
1647 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1648 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1649 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1650 rdev
->wiphy
.vht_capa_mod_mask
))
1651 goto nla_put_failure
;
1653 state
->split_start
++;
1656 if (nl80211_send_coalesce(msg
, rdev
))
1657 goto nla_put_failure
;
1659 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1660 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1661 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1662 goto nla_put_failure
;
1664 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1665 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1666 rdev
->wiphy
.max_ap_assoc_sta
))
1667 goto nla_put_failure
;
1669 state
->split_start
++;
1672 if (rdev
->wiphy
.n_vendor_commands
) {
1673 const struct nl80211_vendor_cmd_info
*info
;
1674 struct nlattr
*nested
;
1676 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1678 goto nla_put_failure
;
1680 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1681 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1682 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1683 goto nla_put_failure
;
1685 nla_nest_end(msg
, nested
);
1688 if (rdev
->wiphy
.n_vendor_events
) {
1689 const struct nl80211_vendor_cmd_info
*info
;
1690 struct nlattr
*nested
;
1692 nested
= nla_nest_start(msg
,
1693 NL80211_ATTR_VENDOR_EVENTS
);
1695 goto nla_put_failure
;
1697 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1698 info
= &rdev
->wiphy
.vendor_events
[i
];
1699 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1700 goto nla_put_failure
;
1702 nla_nest_end(msg
, nested
);
1704 state
->split_start
++;
1707 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1708 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1709 rdev
->wiphy
.max_num_csa_counters
))
1710 goto nla_put_failure
;
1712 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1713 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1714 goto nla_put_failure
;
1716 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1717 sizeof(rdev
->wiphy
.ext_features
),
1718 rdev
->wiphy
.ext_features
))
1719 goto nla_put_failure
;
1722 state
->split_start
= 0;
1726 genlmsg_end(msg
, hdr
);
1730 genlmsg_cancel(msg
, hdr
);
1734 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1735 struct netlink_callback
*cb
,
1736 struct nl80211_dump_wiphy_state
*state
)
1738 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1739 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1740 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1741 /* ignore parse errors for backward compatibility */
1745 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1746 if (tb
[NL80211_ATTR_WIPHY
])
1747 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1748 if (tb
[NL80211_ATTR_WDEV
])
1749 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1750 if (tb
[NL80211_ATTR_IFINDEX
]) {
1751 struct net_device
*netdev
;
1752 struct cfg80211_registered_device
*rdev
;
1753 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1755 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1758 if (netdev
->ieee80211_ptr
) {
1759 rdev
= wiphy_to_rdev(
1760 netdev
->ieee80211_ptr
->wiphy
);
1761 state
->filter_wiphy
= rdev
->wiphy_idx
;
1768 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1771 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1772 struct cfg80211_registered_device
*rdev
;
1776 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1781 state
->filter_wiphy
= -1;
1782 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1788 cb
->args
[0] = (long)state
;
1791 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1792 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1794 if (++idx
<= state
->start
)
1796 if (state
->filter_wiphy
!= -1 &&
1797 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1799 /* attempt to fit multiple wiphy data chunks into the skb */
1801 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1803 NETLINK_CB(cb
->skb
).portid
,
1805 NLM_F_MULTI
, state
);
1808 * If sending the wiphy data didn't fit (ENOBUFS
1809 * or EMSGSIZE returned), this SKB is still
1810 * empty (so it's not too big because another
1811 * wiphy dataset is already in the skb) and
1812 * we've not tried to adjust the dump allocation
1813 * yet ... then adjust the alloc size to be
1814 * bigger, and return 1 but with the empty skb.
1815 * This results in an empty message being RX'ed
1816 * in userspace, but that is ignored.
1818 * We can then retry with the larger buffer.
1820 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1821 !skb
->len
&& !state
->split
&&
1822 cb
->min_dump_alloc
< 4096) {
1823 cb
->min_dump_alloc
= 4096;
1824 state
->split_start
= 0;
1831 } while (state
->split_start
> 0);
1841 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1843 kfree((void *)cb
->args
[0]);
1847 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1849 struct sk_buff
*msg
;
1850 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1851 struct nl80211_dump_wiphy_state state
= {};
1853 msg
= nlmsg_new(4096, GFP_KERNEL
);
1857 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1858 info
->snd_portid
, info
->snd_seq
, 0,
1864 return genlmsg_reply(msg
, info
);
1867 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1868 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1869 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1870 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1871 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1872 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1875 static int parse_txq_params(struct nlattr
*tb
[],
1876 struct ieee80211_txq_params
*txq_params
)
1878 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1879 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1880 !tb
[NL80211_TXQ_ATTR_AIFS
])
1883 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1884 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1885 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1886 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1887 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1889 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1895 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1898 * You can only set the channel explicitly for WDS interfaces,
1899 * all others have their channel managed via their respective
1900 * "establish a connection" command (connect, join, ...)
1902 * For AP/GO and mesh mode, the channel can be set with the
1903 * channel userspace API, but is only stored and passed to the
1904 * low-level driver when the AP starts or the mesh is joined.
1905 * This is for backward compatibility, userspace can also give
1906 * the channel in the start-ap or join-mesh commands instead.
1908 * Monitors are special as they are normally slaved to
1909 * whatever else is going on, so they have their own special
1910 * operation to set the monitor channel if possible.
1913 wdev
->iftype
== NL80211_IFTYPE_AP
||
1914 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1915 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1916 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1919 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1920 struct genl_info
*info
,
1921 struct cfg80211_chan_def
*chandef
)
1925 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1928 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1930 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1931 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1932 chandef
->center_freq1
= control_freq
;
1933 chandef
->center_freq2
= 0;
1935 /* Primary channel not allowed */
1936 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1939 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1940 enum nl80211_channel_type chantype
;
1942 chantype
= nla_get_u32(
1943 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1946 case NL80211_CHAN_NO_HT
:
1947 case NL80211_CHAN_HT20
:
1948 case NL80211_CHAN_HT40PLUS
:
1949 case NL80211_CHAN_HT40MINUS
:
1950 cfg80211_chandef_create(chandef
, chandef
->chan
,
1956 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1958 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1959 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1960 chandef
->center_freq1
=
1962 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1963 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1964 chandef
->center_freq2
=
1966 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1969 if (!cfg80211_chandef_valid(chandef
))
1972 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1973 IEEE80211_CHAN_DISABLED
))
1976 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1977 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1978 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1984 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1985 struct net_device
*dev
,
1986 struct genl_info
*info
)
1988 struct cfg80211_chan_def chandef
;
1990 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1991 struct wireless_dev
*wdev
= NULL
;
1994 wdev
= dev
->ieee80211_ptr
;
1995 if (!nl80211_can_set_dev_channel(wdev
))
1998 iftype
= wdev
->iftype
;
2000 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2005 case NL80211_IFTYPE_AP
:
2006 case NL80211_IFTYPE_P2P_GO
:
2007 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, iftype
)) {
2011 if (wdev
->beacon_interval
) {
2012 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2013 !(rdev
->wiphy
.features
&
2014 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2019 /* Only allow dynamic channel width changes */
2020 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2024 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2028 wdev
->preset_chandef
= chandef
;
2031 case NL80211_IFTYPE_MESH_POINT
:
2032 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2034 case NL80211_IFTYPE_MONITOR
:
2035 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2044 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2046 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2047 struct net_device
*netdev
= info
->user_ptr
[1];
2049 return __nl80211_set_channel(rdev
, netdev
, info
);
2052 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2054 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2055 struct net_device
*dev
= info
->user_ptr
[1];
2056 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2059 if (!info
->attrs
[NL80211_ATTR_MAC
])
2062 if (netif_running(dev
))
2065 if (!rdev
->ops
->set_wds_peer
)
2068 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2071 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2072 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2076 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2078 struct cfg80211_registered_device
*rdev
;
2079 struct net_device
*netdev
= NULL
;
2080 struct wireless_dev
*wdev
;
2081 int result
= 0, rem_txq_params
= 0;
2082 struct nlattr
*nl_txq_params
;
2084 u8 retry_short
= 0, retry_long
= 0;
2085 u32 frag_threshold
= 0, rts_threshold
= 0;
2086 u8 coverage_class
= 0;
2091 * Try to find the wiphy and netdev. Normally this
2092 * function shouldn't need the netdev, but this is
2093 * done for backward compatibility -- previously
2094 * setting the channel was done per wiphy, but now
2095 * it is per netdev. Previous userland like hostapd
2096 * also passed a netdev to set_wiphy, so that it is
2097 * possible to let that go to the right netdev!
2100 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2101 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2103 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2104 if (netdev
&& netdev
->ieee80211_ptr
)
2105 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2111 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2114 return PTR_ERR(rdev
);
2119 wdev
= netdev
->ieee80211_ptr
;
2122 * end workaround code, by now the rdev is available
2123 * and locked, and wdev may or may not be NULL.
2126 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2127 result
= cfg80211_dev_rename(
2128 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2133 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2134 struct ieee80211_txq_params txq_params
;
2135 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2137 if (!rdev
->ops
->set_txq_params
)
2143 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2144 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2147 if (!netif_running(netdev
))
2150 nla_for_each_nested(nl_txq_params
,
2151 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2153 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2154 nla_data(nl_txq_params
),
2155 nla_len(nl_txq_params
),
2159 result
= parse_txq_params(tb
, &txq_params
);
2163 result
= rdev_set_txq_params(rdev
, netdev
,
2170 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2171 result
= __nl80211_set_channel(
2173 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2179 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2180 struct wireless_dev
*txp_wdev
= wdev
;
2181 enum nl80211_tx_power_setting type
;
2184 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2187 if (!rdev
->ops
->set_tx_power
)
2190 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2191 type
= nla_get_u32(info
->attrs
[idx
]);
2193 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2194 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2197 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2198 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2199 mbm
= nla_get_u32(info
->attrs
[idx
]);
2202 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2207 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2208 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2210 if ((!rdev
->wiphy
.available_antennas_tx
&&
2211 !rdev
->wiphy
.available_antennas_rx
) ||
2212 !rdev
->ops
->set_antenna
)
2215 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2216 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2218 /* reject antenna configurations which don't match the
2219 * available antenna masks, except for the "all" mask */
2220 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2221 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2224 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2225 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2227 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2234 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2235 retry_short
= nla_get_u8(
2236 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2237 if (retry_short
== 0)
2240 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2243 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2244 retry_long
= nla_get_u8(
2245 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2246 if (retry_long
== 0)
2249 changed
|= WIPHY_PARAM_RETRY_LONG
;
2252 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2253 frag_threshold
= nla_get_u32(
2254 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2255 if (frag_threshold
< 256)
2258 if (frag_threshold
!= (u32
) -1) {
2260 * Fragments (apart from the last one) are required to
2261 * have even length. Make the fragmentation code
2262 * simpler by stripping LSB should someone try to use
2263 * odd threshold value.
2265 frag_threshold
&= ~0x1;
2267 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2270 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2271 rts_threshold
= nla_get_u32(
2272 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2273 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2276 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2277 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2280 coverage_class
= nla_get_u8(
2281 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2282 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2285 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2286 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2289 changed
|= WIPHY_PARAM_DYN_ACK
;
2293 u8 old_retry_short
, old_retry_long
;
2294 u32 old_frag_threshold
, old_rts_threshold
;
2295 u8 old_coverage_class
;
2297 if (!rdev
->ops
->set_wiphy_params
)
2300 old_retry_short
= rdev
->wiphy
.retry_short
;
2301 old_retry_long
= rdev
->wiphy
.retry_long
;
2302 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2303 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2304 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2306 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2307 rdev
->wiphy
.retry_short
= retry_short
;
2308 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2309 rdev
->wiphy
.retry_long
= retry_long
;
2310 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2311 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2312 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2313 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2314 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2315 rdev
->wiphy
.coverage_class
= coverage_class
;
2317 result
= rdev_set_wiphy_params(rdev
, changed
);
2319 rdev
->wiphy
.retry_short
= old_retry_short
;
2320 rdev
->wiphy
.retry_long
= old_retry_long
;
2321 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2322 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2323 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2329 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2331 return (u64
)wdev
->identifier
|
2332 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2335 static int nl80211_send_chandef(struct sk_buff
*msg
,
2336 const struct cfg80211_chan_def
*chandef
)
2338 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2341 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2342 chandef
->chan
->center_freq
))
2344 switch (chandef
->width
) {
2345 case NL80211_CHAN_WIDTH_20_NOHT
:
2346 case NL80211_CHAN_WIDTH_20
:
2347 case NL80211_CHAN_WIDTH_40
:
2348 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2349 cfg80211_get_chandef_type(chandef
)))
2355 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2357 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2359 if (chandef
->center_freq2
&&
2360 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2365 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2366 struct cfg80211_registered_device
*rdev
,
2367 struct wireless_dev
*wdev
, bool removal
)
2369 struct net_device
*dev
= wdev
->netdev
;
2370 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2374 cmd
= NL80211_CMD_DEL_INTERFACE
;
2376 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2381 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2382 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2383 goto nla_put_failure
;
2385 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2386 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2387 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2388 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2389 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2390 rdev
->devlist_generation
^
2391 (cfg80211_rdev_list_generation
<< 2)))
2392 goto nla_put_failure
;
2394 if (rdev
->ops
->get_channel
) {
2396 struct cfg80211_chan_def chandef
;
2398 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2400 if (nl80211_send_chandef(msg
, &chandef
))
2401 goto nla_put_failure
;
2405 if (wdev
->ssid_len
) {
2406 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2407 goto nla_put_failure
;
2410 genlmsg_end(msg
, hdr
);
2414 genlmsg_cancel(msg
, hdr
);
2418 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2422 int wp_start
= cb
->args
[0];
2423 int if_start
= cb
->args
[1];
2424 struct cfg80211_registered_device
*rdev
;
2425 struct wireless_dev
*wdev
;
2428 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2429 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2431 if (wp_idx
< wp_start
) {
2437 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2438 if (if_idx
< if_start
) {
2442 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2443 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2444 rdev
, wdev
, false) < 0) {
2455 cb
->args
[0] = wp_idx
;
2456 cb
->args
[1] = if_idx
;
2461 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2463 struct sk_buff
*msg
;
2464 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2465 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2467 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2471 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2472 rdev
, wdev
, false) < 0) {
2477 return genlmsg_reply(msg
, info
);
2480 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2481 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2482 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2483 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2484 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2485 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2486 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2489 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2491 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2499 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2500 nla
, mntr_flags_policy
))
2503 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2505 *mntrflags
|= (1<<flag
);
2510 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2511 struct net_device
*netdev
, u8 use_4addr
,
2512 enum nl80211_iftype iftype
)
2515 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2521 case NL80211_IFTYPE_AP_VLAN
:
2522 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2525 case NL80211_IFTYPE_STATION
:
2526 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2536 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2538 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2539 struct vif_params params
;
2541 enum nl80211_iftype otype
, ntype
;
2542 struct net_device
*dev
= info
->user_ptr
[1];
2543 u32 _flags
, *flags
= NULL
;
2544 bool change
= false;
2546 memset(¶ms
, 0, sizeof(params
));
2548 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2550 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2551 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2554 if (ntype
> NL80211_IFTYPE_MAX
)
2558 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2559 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2561 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2563 if (netif_running(dev
))
2567 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2568 IEEE80211_MAX_MESH_ID_LEN
);
2569 wdev
->mesh_id_up_len
=
2570 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2571 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2572 wdev
->mesh_id_up_len
);
2576 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2577 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2579 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2583 params
.use_4addr
= -1;
2586 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2587 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2589 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2598 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2599 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2603 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2607 if (!err
&& params
.use_4addr
!= -1)
2608 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2613 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2615 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2616 struct vif_params params
;
2617 struct wireless_dev
*wdev
;
2618 struct sk_buff
*msg
, *event
;
2620 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2623 /* to avoid failing a new interface creation due to pending removal */
2624 cfg80211_destroy_ifaces(rdev
);
2626 memset(¶ms
, 0, sizeof(params
));
2628 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2631 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2632 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2633 if (type
> NL80211_IFTYPE_MAX
)
2637 if (!rdev
->ops
->add_virtual_intf
||
2638 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2641 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2642 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2643 info
->attrs
[NL80211_ATTR_MAC
]) {
2644 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2646 if (!is_valid_ether_addr(params
.macaddr
))
2647 return -EADDRNOTAVAIL
;
2650 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2651 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2652 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2657 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2658 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2661 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2662 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2665 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2669 wdev
= rdev_add_virtual_intf(rdev
,
2670 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2671 type
, err
? NULL
: &flags
, ¶ms
);
2672 if (WARN_ON(!wdev
)) {
2675 } else if (IS_ERR(wdev
)) {
2677 return PTR_ERR(wdev
);
2680 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2681 wdev
->owner_nlportid
= info
->snd_portid
;
2684 case NL80211_IFTYPE_MESH_POINT
:
2685 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2688 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2689 IEEE80211_MAX_MESH_ID_LEN
);
2690 wdev
->mesh_id_up_len
=
2691 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2692 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2693 wdev
->mesh_id_up_len
);
2696 case NL80211_IFTYPE_P2P_DEVICE
:
2698 * P2P Device doesn't have a netdev, so doesn't go
2699 * through the netdev notifier and must be added here
2701 mutex_init(&wdev
->mtx
);
2702 INIT_LIST_HEAD(&wdev
->event_list
);
2703 spin_lock_init(&wdev
->event_lock
);
2704 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2705 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2707 wdev
->identifier
= ++rdev
->wdev_id
;
2708 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2709 rdev
->devlist_generation
++;
2715 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2716 rdev
, wdev
, false) < 0) {
2721 event
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2723 if (nl80211_send_iface(event
, 0, 0, 0,
2724 rdev
, wdev
, false) < 0) {
2729 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2730 event
, 0, NL80211_MCGRP_CONFIG
,
2735 return genlmsg_reply(msg
, info
);
2738 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2740 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2741 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2742 struct sk_buff
*msg
;
2745 if (!rdev
->ops
->del_virtual_intf
)
2748 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2749 if (msg
&& nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, true) < 0) {
2755 * If we remove a wireless device without a netdev then clear
2756 * user_ptr[1] so that nl80211_post_doit won't dereference it
2757 * to check if it needs to do dev_put(). Otherwise it crashes
2758 * since the wdev has been freed, unlike with a netdev where
2759 * we need the dev_put() for the netdev to really be freed.
2762 info
->user_ptr
[1] = NULL
;
2764 status
= rdev_del_virtual_intf(rdev
, wdev
);
2765 if (status
>= 0 && msg
)
2766 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2767 msg
, 0, NL80211_MCGRP_CONFIG
,
2775 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2777 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2778 struct net_device
*dev
= info
->user_ptr
[1];
2781 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2784 if (!rdev
->ops
->set_noack_map
)
2787 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2789 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2792 struct get_key_cookie
{
2793 struct sk_buff
*msg
;
2798 static void get_key_callback(void *c
, struct key_params
*params
)
2801 struct get_key_cookie
*cookie
= c
;
2804 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2805 params
->key_len
, params
->key
)) ||
2807 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2808 params
->seq_len
, params
->seq
)) ||
2810 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2812 goto nla_put_failure
;
2814 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2816 goto nla_put_failure
;
2819 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2820 params
->key_len
, params
->key
)) ||
2822 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2823 params
->seq_len
, params
->seq
)) ||
2825 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2827 goto nla_put_failure
;
2829 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2830 goto nla_put_failure
;
2832 nla_nest_end(cookie
->msg
, key
);
2839 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2841 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2843 struct net_device
*dev
= info
->user_ptr
[1];
2845 const u8
*mac_addr
= NULL
;
2847 struct get_key_cookie cookie
= {
2851 struct sk_buff
*msg
;
2853 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2854 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2859 if (info
->attrs
[NL80211_ATTR_MAC
])
2860 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2862 pairwise
= !!mac_addr
;
2863 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2864 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2865 if (kt
>= NUM_NL80211_KEYTYPES
)
2867 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2868 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2870 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2873 if (!rdev
->ops
->get_key
)
2876 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2879 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2883 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2884 NL80211_CMD_NEW_KEY
);
2886 goto nla_put_failure
;
2889 cookie
.idx
= key_idx
;
2891 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2892 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2893 goto nla_put_failure
;
2895 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2896 goto nla_put_failure
;
2898 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2905 goto nla_put_failure
;
2907 genlmsg_end(msg
, hdr
);
2908 return genlmsg_reply(msg
, info
);
2917 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2919 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2920 struct key_parse key
;
2922 struct net_device
*dev
= info
->user_ptr
[1];
2924 err
= nl80211_parse_key(info
, &key
);
2931 /* only support setting default key */
2932 if (!key
.def
&& !key
.defmgmt
)
2935 wdev_lock(dev
->ieee80211_ptr
);
2938 if (!rdev
->ops
->set_default_key
) {
2943 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2947 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2948 key
.def_uni
, key
.def_multi
);
2953 #ifdef CONFIG_CFG80211_WEXT
2954 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2957 if (key
.def_uni
|| !key
.def_multi
) {
2962 if (!rdev
->ops
->set_default_mgmt_key
) {
2967 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2971 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2975 #ifdef CONFIG_CFG80211_WEXT
2976 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2981 wdev_unlock(dev
->ieee80211_ptr
);
2986 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2988 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2990 struct net_device
*dev
= info
->user_ptr
[1];
2991 struct key_parse key
;
2992 const u8
*mac_addr
= NULL
;
2994 err
= nl80211_parse_key(info
, &key
);
3001 if (info
->attrs
[NL80211_ATTR_MAC
])
3002 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3004 if (key
.type
== -1) {
3006 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3008 key
.type
= NL80211_KEYTYPE_GROUP
;
3012 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3013 key
.type
!= NL80211_KEYTYPE_GROUP
)
3016 if (!rdev
->ops
->add_key
)
3019 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3020 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3024 wdev_lock(dev
->ieee80211_ptr
);
3025 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3027 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3028 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3030 wdev_unlock(dev
->ieee80211_ptr
);
3035 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3037 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3039 struct net_device
*dev
= info
->user_ptr
[1];
3040 u8
*mac_addr
= NULL
;
3041 struct key_parse key
;
3043 err
= nl80211_parse_key(info
, &key
);
3047 if (info
->attrs
[NL80211_ATTR_MAC
])
3048 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3050 if (key
.type
== -1) {
3052 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3054 key
.type
= NL80211_KEYTYPE_GROUP
;
3058 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3059 key
.type
!= NL80211_KEYTYPE_GROUP
)
3062 if (!rdev
->ops
->del_key
)
3065 wdev_lock(dev
->ieee80211_ptr
);
3066 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3068 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3069 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3073 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3074 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3077 #ifdef CONFIG_CFG80211_WEXT
3079 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3080 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3081 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3082 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3085 wdev_unlock(dev
->ieee80211_ptr
);
3090 /* This function returns an error or the number of nested attributes */
3091 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3093 struct nlattr
*attr
;
3094 int n_entries
= 0, tmp
;
3096 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3097 if (nla_len(attr
) != ETH_ALEN
)
3107 * This function parses ACL information and allocates memory for ACL data.
3108 * On successful return, the calling function is responsible to free the
3109 * ACL buffer returned by this function.
3111 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3112 struct genl_info
*info
)
3114 enum nl80211_acl_policy acl_policy
;
3115 struct nlattr
*attr
;
3116 struct cfg80211_acl_data
*acl
;
3117 int i
= 0, n_entries
, tmp
;
3119 if (!wiphy
->max_acl_mac_addrs
)
3120 return ERR_PTR(-EOPNOTSUPP
);
3122 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3123 return ERR_PTR(-EINVAL
);
3125 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3126 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3127 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3128 return ERR_PTR(-EINVAL
);
3130 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3131 return ERR_PTR(-EINVAL
);
3133 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3135 return ERR_PTR(n_entries
);
3137 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3138 return ERR_PTR(-ENOTSUPP
);
3140 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3143 return ERR_PTR(-ENOMEM
);
3145 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3146 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3150 acl
->n_acl_entries
= n_entries
;
3151 acl
->acl_policy
= acl_policy
;
3156 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3158 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3159 struct net_device
*dev
= info
->user_ptr
[1];
3160 struct cfg80211_acl_data
*acl
;
3163 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3164 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3167 if (!dev
->ieee80211_ptr
->beacon_interval
)
3170 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3172 return PTR_ERR(acl
);
3174 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3181 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3182 struct cfg80211_beacon_data
*bcn
)
3184 bool haveinfo
= false;
3186 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3187 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3188 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3189 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3192 memset(bcn
, 0, sizeof(*bcn
));
3194 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3195 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3196 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3202 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3203 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3204 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3211 if (attrs
[NL80211_ATTR_IE
]) {
3212 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3213 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3216 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3217 bcn
->proberesp_ies
=
3218 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3219 bcn
->proberesp_ies_len
=
3220 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3223 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3224 bcn
->assocresp_ies
=
3225 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3226 bcn
->assocresp_ies_len
=
3227 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3230 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3231 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3232 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3238 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3239 struct cfg80211_ap_settings
*params
)
3241 struct wireless_dev
*wdev
;
3244 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3245 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3246 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3249 if (!wdev
->preset_chandef
.chan
)
3252 params
->chandef
= wdev
->preset_chandef
;
3260 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3261 enum nl80211_auth_type auth_type
,
3262 enum nl80211_commands cmd
)
3264 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3268 case NL80211_CMD_AUTHENTICATE
:
3269 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3270 auth_type
== NL80211_AUTHTYPE_SAE
)
3273 case NL80211_CMD_CONNECT
:
3274 case NL80211_CMD_START_AP
:
3275 /* SAE not supported yet */
3276 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3284 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3286 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3287 struct net_device
*dev
= info
->user_ptr
[1];
3288 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3289 struct cfg80211_ap_settings params
;
3292 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3293 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3296 if (!rdev
->ops
->start_ap
)
3299 if (wdev
->beacon_interval
)
3302 memset(¶ms
, 0, sizeof(params
));
3304 /* these are required for START_AP */
3305 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3306 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3307 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3310 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3314 params
.beacon_interval
=
3315 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3316 params
.dtim_period
=
3317 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3319 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3324 * In theory, some of these attributes should be required here
3325 * but since they were not used when the command was originally
3326 * added, keep them optional for old user space programs to let
3327 * them continue to work with drivers that do not need the
3328 * additional information -- drivers must check!
3330 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3331 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3333 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3334 if (params
.ssid_len
== 0 ||
3335 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3339 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3340 params
.hidden_ssid
= nla_get_u32(
3341 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3342 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3343 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3344 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3348 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3350 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3351 params
.auth_type
= nla_get_u32(
3352 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3353 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3354 NL80211_CMD_START_AP
))
3357 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3359 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3360 NL80211_MAX_NR_CIPHER_SUITES
);
3364 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3365 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3367 params
.inactivity_timeout
= nla_get_u16(
3368 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3371 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3372 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3374 params
.p2p_ctwindow
=
3375 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3376 if (params
.p2p_ctwindow
> 127)
3378 if (params
.p2p_ctwindow
!= 0 &&
3379 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3383 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3386 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3388 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3391 params
.p2p_opp_ps
= tmp
;
3392 if (params
.p2p_opp_ps
!= 0 &&
3393 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3397 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3398 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3401 } else if (wdev
->preset_chandef
.chan
) {
3402 params
.chandef
= wdev
->preset_chandef
;
3403 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3406 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3410 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3411 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3412 if (IS_ERR(params
.acl
))
3413 return PTR_ERR(params
.acl
);
3416 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3418 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3419 switch (params
.smps_mode
) {
3420 case NL80211_SMPS_OFF
:
3422 case NL80211_SMPS_STATIC
:
3423 if (!(rdev
->wiphy
.features
&
3424 NL80211_FEATURE_STATIC_SMPS
))
3427 case NL80211_SMPS_DYNAMIC
:
3428 if (!(rdev
->wiphy
.features
&
3429 NL80211_FEATURE_DYNAMIC_SMPS
))
3436 params
.smps_mode
= NL80211_SMPS_OFF
;
3440 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3442 wdev
->preset_chandef
= params
.chandef
;
3443 wdev
->beacon_interval
= params
.beacon_interval
;
3444 wdev
->chandef
= params
.chandef
;
3445 wdev
->ssid_len
= params
.ssid_len
;
3446 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3455 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3457 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3458 struct net_device
*dev
= info
->user_ptr
[1];
3459 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3460 struct cfg80211_beacon_data params
;
3463 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3464 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3467 if (!rdev
->ops
->change_beacon
)
3470 if (!wdev
->beacon_interval
)
3473 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3478 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3484 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3486 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3487 struct net_device
*dev
= info
->user_ptr
[1];
3489 return cfg80211_stop_ap(rdev
, dev
, false);
3492 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3493 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3494 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3495 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3496 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3497 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3498 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3501 static int parse_station_flags(struct genl_info
*info
,
3502 enum nl80211_iftype iftype
,
3503 struct station_parameters
*params
)
3505 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3510 * Try parsing the new attribute first so userspace
3511 * can specify both for older kernels.
3513 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3515 struct nl80211_sta_flag_update
*sta_flags
;
3517 sta_flags
= nla_data(nla
);
3518 params
->sta_flags_mask
= sta_flags
->mask
;
3519 params
->sta_flags_set
= sta_flags
->set
;
3520 params
->sta_flags_set
&= params
->sta_flags_mask
;
3521 if ((params
->sta_flags_mask
|
3522 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3527 /* if present, parse the old attribute */
3529 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3533 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3534 nla
, sta_flags_policy
))
3538 * Only allow certain flags for interface types so that
3539 * other attributes are silently ignored. Remember that
3540 * this is backward compatibility code with old userspace
3541 * and shouldn't be hit in other cases anyway.
3544 case NL80211_IFTYPE_AP
:
3545 case NL80211_IFTYPE_AP_VLAN
:
3546 case NL80211_IFTYPE_P2P_GO
:
3547 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3548 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3549 BIT(NL80211_STA_FLAG_WME
) |
3550 BIT(NL80211_STA_FLAG_MFP
);
3552 case NL80211_IFTYPE_P2P_CLIENT
:
3553 case NL80211_IFTYPE_STATION
:
3554 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3555 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3557 case NL80211_IFTYPE_MESH_POINT
:
3558 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3559 BIT(NL80211_STA_FLAG_MFP
) |
3560 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3565 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3567 params
->sta_flags_set
|= (1<<flag
);
3569 /* no longer support new API additions in old API */
3570 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3578 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3581 struct nlattr
*rate
;
3584 enum nl80211_attrs rate_flg
;
3586 rate
= nla_nest_start(msg
, attr
);
3590 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3591 bitrate
= cfg80211_calculate_bitrate(info
);
3592 /* report 16-bit bitrate only if we can */
3593 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3595 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3597 if (bitrate_compat
> 0 &&
3598 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3602 case RATE_INFO_BW_5
:
3603 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
3605 case RATE_INFO_BW_10
:
3606 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
3611 case RATE_INFO_BW_20
:
3614 case RATE_INFO_BW_40
:
3615 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
3617 case RATE_INFO_BW_80
:
3618 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
3620 case RATE_INFO_BW_160
:
3621 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
3625 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
3628 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3629 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3631 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3632 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3634 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3635 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3637 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3639 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3640 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3644 nla_nest_end(msg
, rate
);
3648 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3657 attr
= nla_nest_start(msg
, id
);
3661 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3662 if (!(mask
& BIT(i
)))
3665 if (nla_put_u8(msg
, i
, signal
[i
]))
3669 nla_nest_end(msg
, attr
);
3674 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
3676 struct cfg80211_registered_device
*rdev
,
3677 struct net_device
*dev
,
3678 const u8
*mac_addr
, struct station_info
*sinfo
)
3681 struct nlattr
*sinfoattr
, *bss_param
;
3683 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
3687 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3688 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3689 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3690 goto nla_put_failure
;
3692 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3694 goto nla_put_failure
;
3696 #define PUT_SINFO(attr, memb, type) do { \
3697 if (sinfo->filled & BIT(NL80211_STA_INFO_ ## attr) && \
3698 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
3700 goto nla_put_failure; \
3703 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
3704 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
3706 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
3707 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
3708 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3709 (u32
)sinfo
->rx_bytes
))
3710 goto nla_put_failure
;
3712 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
3713 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
3714 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3715 (u32
)sinfo
->tx_bytes
))
3716 goto nla_put_failure
;
3718 PUT_SINFO(RX_BYTES64
, rx_bytes
, u64
);
3719 PUT_SINFO(TX_BYTES64
, tx_bytes
, u64
);
3720 PUT_SINFO(LLID
, llid
, u16
);
3721 PUT_SINFO(PLID
, plid
, u16
);
3722 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
3724 switch (rdev
->wiphy
.signal_type
) {
3725 case CFG80211_SIGNAL_TYPE_MBM
:
3726 PUT_SINFO(SIGNAL
, signal
, u8
);
3727 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
3732 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
3733 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3734 sinfo
->chain_signal
,
3735 NL80211_STA_INFO_CHAIN_SIGNAL
))
3736 goto nla_put_failure
;
3738 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
3739 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3740 sinfo
->chain_signal_avg
,
3741 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3742 goto nla_put_failure
;
3744 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
3745 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3746 NL80211_STA_INFO_TX_BITRATE
))
3747 goto nla_put_failure
;
3749 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
3750 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3751 NL80211_STA_INFO_RX_BITRATE
))
3752 goto nla_put_failure
;
3755 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
3756 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
3757 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
3758 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
3759 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
3760 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
3761 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
3762 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
3763 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
3765 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
3766 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3768 goto nla_put_failure
;
3770 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3771 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3772 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3773 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3774 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3775 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3776 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3777 sinfo
->bss_param
.dtim_period
) ||
3778 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3779 sinfo
->bss_param
.beacon_interval
))
3780 goto nla_put_failure
;
3782 nla_nest_end(msg
, bss_param
);
3784 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
3785 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3786 sizeof(struct nl80211_sta_flag_update
),
3788 goto nla_put_failure
;
3790 PUT_SINFO(T_OFFSET
, t_offset
, u64
);
3791 PUT_SINFO(RX_DROP_MISC
, rx_dropped_misc
, u64
);
3792 PUT_SINFO(BEACON_RX
, rx_beacon
, u64
);
3793 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
3797 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
3798 struct nlattr
*tidsattr
;
3801 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
3803 goto nla_put_failure
;
3805 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
3806 struct cfg80211_tid_stats
*tidstats
;
3807 struct nlattr
*tidattr
;
3809 tidstats
= &sinfo
->pertid
[tid
];
3811 if (!tidstats
->filled
)
3814 tidattr
= nla_nest_start(msg
, tid
+ 1);
3816 goto nla_put_failure
;
3818 #define PUT_TIDVAL(attr, memb, type) do { \
3819 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
3820 nla_put_ ## type(msg, NL80211_TID_STATS_ ## attr, \
3822 goto nla_put_failure; \
3825 PUT_TIDVAL(RX_MSDU
, rx_msdu
, u64
);
3826 PUT_TIDVAL(TX_MSDU
, tx_msdu
, u64
);
3827 PUT_TIDVAL(TX_MSDU_RETRIES
, tx_msdu_retries
, u64
);
3828 PUT_TIDVAL(TX_MSDU_FAILED
, tx_msdu_failed
, u64
);
3831 nla_nest_end(msg
, tidattr
);
3834 nla_nest_end(msg
, tidsattr
);
3837 nla_nest_end(msg
, sinfoattr
);
3839 if (sinfo
->assoc_req_ies_len
&&
3840 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3841 sinfo
->assoc_req_ies
))
3842 goto nla_put_failure
;
3844 genlmsg_end(msg
, hdr
);
3848 genlmsg_cancel(msg
, hdr
);
3852 static int nl80211_dump_station(struct sk_buff
*skb
,
3853 struct netlink_callback
*cb
)
3855 struct station_info sinfo
;
3856 struct cfg80211_registered_device
*rdev
;
3857 struct wireless_dev
*wdev
;
3858 u8 mac_addr
[ETH_ALEN
];
3859 int sta_idx
= cb
->args
[2];
3862 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3866 if (!wdev
->netdev
) {
3871 if (!rdev
->ops
->dump_station
) {
3877 memset(&sinfo
, 0, sizeof(sinfo
));
3878 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3885 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
3886 NETLINK_CB(cb
->skb
).portid
,
3887 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3888 rdev
, wdev
->netdev
, mac_addr
,
3897 cb
->args
[2] = sta_idx
;
3900 nl80211_finish_wdev_dump(rdev
);
3905 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3907 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3908 struct net_device
*dev
= info
->user_ptr
[1];
3909 struct station_info sinfo
;
3910 struct sk_buff
*msg
;
3911 u8
*mac_addr
= NULL
;
3914 memset(&sinfo
, 0, sizeof(sinfo
));
3916 if (!info
->attrs
[NL80211_ATTR_MAC
])
3919 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3921 if (!rdev
->ops
->get_station
)
3924 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3928 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3932 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
3933 info
->snd_portid
, info
->snd_seq
, 0,
3934 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3939 return genlmsg_reply(msg
, info
);
3942 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3943 struct station_parameters
*params
,
3944 enum cfg80211_station_type statype
)
3946 if (params
->listen_interval
!= -1)
3949 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3952 /* When you run into this, adjust the code below for the new flag */
3953 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3956 case CFG80211_STA_MESH_PEER_KERNEL
:
3957 case CFG80211_STA_MESH_PEER_USER
:
3959 * No ignoring the TDLS flag here -- the userspace mesh
3960 * code doesn't have the bug of including TDLS in the
3963 if (params
->sta_flags_mask
&
3964 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3965 BIT(NL80211_STA_FLAG_MFP
) |
3966 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3969 case CFG80211_STA_TDLS_PEER_SETUP
:
3970 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3971 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3973 /* ignore since it can't change */
3974 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3977 /* disallow mesh-specific things */
3978 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3980 if (params
->local_pm
)
3982 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3986 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3987 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3988 /* TDLS can't be set, ... */
3989 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3992 * ... but don't bother the driver with it. This works around
3993 * a hostapd/wpa_supplicant issue -- it always includes the
3994 * TLDS_PEER flag in the mask even for AP mode.
3996 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3999 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
4000 /* reject other things that can't change */
4001 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4003 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4005 if (params
->supported_rates
)
4007 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4011 if (statype
!= CFG80211_STA_AP_CLIENT
) {
4017 case CFG80211_STA_AP_MLME_CLIENT
:
4018 /* Use this only for authorizing/unauthorizing a station */
4019 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4022 case CFG80211_STA_AP_CLIENT
:
4023 /* accept only the listed bits */
4024 if (params
->sta_flags_mask
&
4025 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4026 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4027 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4028 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4029 BIT(NL80211_STA_FLAG_WME
) |
4030 BIT(NL80211_STA_FLAG_MFP
)))
4033 /* but authenticated/associated only if driver handles it */
4034 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4035 params
->sta_flags_mask
&
4036 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4037 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4040 case CFG80211_STA_IBSS
:
4041 case CFG80211_STA_AP_STA
:
4042 /* reject any changes other than AUTHORIZED */
4043 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4046 case CFG80211_STA_TDLS_PEER_SETUP
:
4047 /* reject any changes other than AUTHORIZED or WME */
4048 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4049 BIT(NL80211_STA_FLAG_WME
)))
4051 /* force (at least) rates when authorizing */
4052 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4053 !params
->supported_rates
)
4056 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4057 /* reject any changes */
4059 case CFG80211_STA_MESH_PEER_KERNEL
:
4060 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4063 case CFG80211_STA_MESH_PEER_USER
:
4064 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4071 EXPORT_SYMBOL(cfg80211_check_station_change
);
4074 * Get vlan interface making sure it is running and on the right wiphy.
4076 static struct net_device
*get_vlan(struct genl_info
*info
,
4077 struct cfg80211_registered_device
*rdev
)
4079 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4080 struct net_device
*v
;
4086 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4088 return ERR_PTR(-ENODEV
);
4090 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4095 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4096 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4097 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4102 if (!netif_running(v
)) {
4110 return ERR_PTR(ret
);
4113 static const struct nla_policy
4114 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4115 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4116 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4119 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4120 struct station_parameters
*params
)
4122 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4126 /* parse WME attributes if present */
4127 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4130 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4131 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4132 nl80211_sta_wme_policy
);
4136 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4137 params
->uapsd_queues
= nla_get_u8(
4138 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4139 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4142 if (tb
[NL80211_STA_WME_MAX_SP
])
4143 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4145 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4148 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4153 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4154 struct station_parameters
*params
)
4156 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4157 params
->supported_channels
=
4158 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4159 params
->supported_channels_len
=
4160 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4162 * Need to include at least one (first channel, number of
4163 * channels) tuple for each subband, and must have proper
4164 * tuples for the rest of the data as well.
4166 if (params
->supported_channels_len
< 2)
4168 if (params
->supported_channels_len
% 2)
4172 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4173 params
->supported_oper_classes
=
4174 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4175 params
->supported_oper_classes_len
=
4176 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4178 * The value of the Length field of the Supported Operating
4179 * Classes element is between 2 and 253.
4181 if (params
->supported_oper_classes_len
< 2 ||
4182 params
->supported_oper_classes_len
> 253)
4188 static int nl80211_set_station_tdls(struct genl_info
*info
,
4189 struct station_parameters
*params
)
4192 /* Dummy STA entry gets updated once the peer capabilities are known */
4193 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4194 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4195 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4197 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4198 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4200 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4202 err
= nl80211_parse_sta_channel_info(info
, params
);
4206 return nl80211_parse_sta_wme(info
, params
);
4209 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4211 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4212 struct net_device
*dev
= info
->user_ptr
[1];
4213 struct station_parameters params
;
4217 memset(¶ms
, 0, sizeof(params
));
4219 params
.listen_interval
= -1;
4221 if (!rdev
->ops
->change_station
)
4224 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4227 if (!info
->attrs
[NL80211_ATTR_MAC
])
4230 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4232 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4233 params
.supported_rates
=
4234 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4235 params
.supported_rates_len
=
4236 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4239 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4241 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4242 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4245 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4247 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4248 params
.ext_capab_len
=
4249 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4252 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4255 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4258 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4259 params
.plink_action
=
4260 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4261 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4265 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4266 params
.plink_state
=
4267 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4268 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4270 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4273 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4274 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4275 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4277 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4278 pm
> NL80211_MESH_POWER_MAX
)
4281 params
.local_pm
= pm
;
4284 /* Include parameters for TDLS peer (will check later) */
4285 err
= nl80211_set_station_tdls(info
, ¶ms
);
4289 params
.vlan
= get_vlan(info
, rdev
);
4290 if (IS_ERR(params
.vlan
))
4291 return PTR_ERR(params
.vlan
);
4293 switch (dev
->ieee80211_ptr
->iftype
) {
4294 case NL80211_IFTYPE_AP
:
4295 case NL80211_IFTYPE_AP_VLAN
:
4296 case NL80211_IFTYPE_P2P_GO
:
4297 case NL80211_IFTYPE_P2P_CLIENT
:
4298 case NL80211_IFTYPE_STATION
:
4299 case NL80211_IFTYPE_ADHOC
:
4300 case NL80211_IFTYPE_MESH_POINT
:
4307 /* driver will call cfg80211_check_station_change() */
4308 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4312 dev_put(params
.vlan
);
4317 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4319 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4321 struct net_device
*dev
= info
->user_ptr
[1];
4322 struct station_parameters params
;
4323 u8
*mac_addr
= NULL
;
4325 memset(¶ms
, 0, sizeof(params
));
4327 if (!rdev
->ops
->add_station
)
4330 if (!info
->attrs
[NL80211_ATTR_MAC
])
4333 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4336 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4339 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4340 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4343 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4344 params
.supported_rates
=
4345 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4346 params
.supported_rates_len
=
4347 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4348 params
.listen_interval
=
4349 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4351 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4352 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4354 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4355 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4358 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4360 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4361 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4364 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4366 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4367 params
.ext_capab_len
=
4368 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4371 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4373 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4375 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4377 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4379 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4380 params
.opmode_notif_used
= true;
4381 params
.opmode_notif
=
4382 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4385 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4386 params
.plink_action
=
4387 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4388 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4392 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4396 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4400 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4403 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
4404 * as userspace might just pass through the capabilities from the IEs
4405 * directly, rather than enforcing this restriction and returning an
4406 * error in this case.
4408 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
4409 params
.ht_capa
= NULL
;
4410 params
.vht_capa
= NULL
;
4413 /* When you run into this, adjust the code below for the new flag */
4414 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4416 switch (dev
->ieee80211_ptr
->iftype
) {
4417 case NL80211_IFTYPE_AP
:
4418 case NL80211_IFTYPE_AP_VLAN
:
4419 case NL80211_IFTYPE_P2P_GO
:
4420 /* ignore WME attributes if iface/sta is not capable */
4421 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4422 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4423 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4425 /* TDLS peers cannot be added */
4426 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4427 info
->attrs
[NL80211_ATTR_PEER_AID
])
4429 /* but don't bother the driver with it */
4430 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4432 /* allow authenticated/associated only if driver handles it */
4433 if (!(rdev
->wiphy
.features
&
4434 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4435 params
.sta_flags_mask
&
4436 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4437 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4440 /* must be last in here for error handling */
4441 params
.vlan
= get_vlan(info
, rdev
);
4442 if (IS_ERR(params
.vlan
))
4443 return PTR_ERR(params
.vlan
);
4445 case NL80211_IFTYPE_MESH_POINT
:
4446 /* ignore uAPSD data */
4447 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4449 /* associated is disallowed */
4450 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4452 /* TDLS peers cannot be added */
4453 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4454 info
->attrs
[NL80211_ATTR_PEER_AID
])
4457 case NL80211_IFTYPE_STATION
:
4458 case NL80211_IFTYPE_P2P_CLIENT
:
4459 /* ignore uAPSD data */
4460 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4462 /* these are disallowed */
4463 if (params
.sta_flags_mask
&
4464 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4465 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4467 /* Only TDLS peers can be added */
4468 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4470 /* Can only add if TDLS ... */
4471 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4473 /* ... with external setup is supported */
4474 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4477 * Older wpa_supplicant versions always mark the TDLS peer
4478 * as authorized, but it shouldn't yet be.
4480 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4486 /* be aware of params.vlan when changing code here */
4488 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4491 dev_put(params
.vlan
);
4495 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4497 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4498 struct net_device
*dev
= info
->user_ptr
[1];
4499 struct station_del_parameters params
;
4501 memset(¶ms
, 0, sizeof(params
));
4503 if (info
->attrs
[NL80211_ATTR_MAC
])
4504 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4506 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4507 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4508 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4509 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4512 if (!rdev
->ops
->del_station
)
4515 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4517 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4518 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4519 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4522 /* Default to Deauthentication frame */
4523 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4526 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4527 params
.reason_code
=
4528 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4529 if (params
.reason_code
== 0)
4530 return -EINVAL
; /* 0 is reserved */
4532 /* Default to reason code 2 */
4533 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4536 return rdev_del_station(rdev
, dev
, ¶ms
);
4539 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4540 int flags
, struct net_device
*dev
,
4541 u8
*dst
, u8
*next_hop
,
4542 struct mpath_info
*pinfo
)
4545 struct nlattr
*pinfoattr
;
4547 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4551 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4552 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4553 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4554 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4555 goto nla_put_failure
;
4557 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4559 goto nla_put_failure
;
4560 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4561 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4563 goto nla_put_failure
;
4564 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4565 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4566 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4567 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4569 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4570 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4572 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4573 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4575 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4576 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4577 pinfo
->discovery_timeout
)) ||
4578 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4579 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4580 pinfo
->discovery_retries
)))
4581 goto nla_put_failure
;
4583 nla_nest_end(msg
, pinfoattr
);
4585 genlmsg_end(msg
, hdr
);
4589 genlmsg_cancel(msg
, hdr
);
4593 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4594 struct netlink_callback
*cb
)
4596 struct mpath_info pinfo
;
4597 struct cfg80211_registered_device
*rdev
;
4598 struct wireless_dev
*wdev
;
4600 u8 next_hop
[ETH_ALEN
];
4601 int path_idx
= cb
->args
[2];
4604 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4608 if (!rdev
->ops
->dump_mpath
) {
4613 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4619 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4626 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4627 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4628 wdev
->netdev
, dst
, next_hop
,
4637 cb
->args
[2] = path_idx
;
4640 nl80211_finish_wdev_dump(rdev
);
4644 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4646 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4648 struct net_device
*dev
= info
->user_ptr
[1];
4649 struct mpath_info pinfo
;
4650 struct sk_buff
*msg
;
4652 u8 next_hop
[ETH_ALEN
];
4654 memset(&pinfo
, 0, sizeof(pinfo
));
4656 if (!info
->attrs
[NL80211_ATTR_MAC
])
4659 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4661 if (!rdev
->ops
->get_mpath
)
4664 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4667 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4671 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4675 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4676 dev
, dst
, next_hop
, &pinfo
) < 0) {
4681 return genlmsg_reply(msg
, info
);
4684 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4686 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4687 struct net_device
*dev
= info
->user_ptr
[1];
4689 u8
*next_hop
= NULL
;
4691 if (!info
->attrs
[NL80211_ATTR_MAC
])
4694 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4697 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4698 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4700 if (!rdev
->ops
->change_mpath
)
4703 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4706 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4709 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4711 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4712 struct net_device
*dev
= info
->user_ptr
[1];
4714 u8
*next_hop
= NULL
;
4716 if (!info
->attrs
[NL80211_ATTR_MAC
])
4719 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4722 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4723 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4725 if (!rdev
->ops
->add_mpath
)
4728 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4731 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4734 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4736 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4737 struct net_device
*dev
= info
->user_ptr
[1];
4740 if (info
->attrs
[NL80211_ATTR_MAC
])
4741 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4743 if (!rdev
->ops
->del_mpath
)
4746 return rdev_del_mpath(rdev
, dev
, dst
);
4749 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4751 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4753 struct net_device
*dev
= info
->user_ptr
[1];
4754 struct mpath_info pinfo
;
4755 struct sk_buff
*msg
;
4759 memset(&pinfo
, 0, sizeof(pinfo
));
4761 if (!info
->attrs
[NL80211_ATTR_MAC
])
4764 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4766 if (!rdev
->ops
->get_mpp
)
4769 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4772 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4776 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4780 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4781 dev
, dst
, mpp
, &pinfo
) < 0) {
4786 return genlmsg_reply(msg
, info
);
4789 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4790 struct netlink_callback
*cb
)
4792 struct mpath_info pinfo
;
4793 struct cfg80211_registered_device
*rdev
;
4794 struct wireless_dev
*wdev
;
4797 int path_idx
= cb
->args
[2];
4800 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4804 if (!rdev
->ops
->dump_mpp
) {
4809 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4815 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4822 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4823 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4824 wdev
->netdev
, dst
, mpp
,
4832 cb
->args
[2] = path_idx
;
4835 nl80211_finish_wdev_dump(rdev
);
4839 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4841 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4842 struct net_device
*dev
= info
->user_ptr
[1];
4843 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4844 struct bss_parameters params
;
4847 memset(¶ms
, 0, sizeof(params
));
4848 /* default to not changing parameters */
4849 params
.use_cts_prot
= -1;
4850 params
.use_short_preamble
= -1;
4851 params
.use_short_slot_time
= -1;
4852 params
.ap_isolate
= -1;
4853 params
.ht_opmode
= -1;
4854 params
.p2p_ctwindow
= -1;
4855 params
.p2p_opp_ps
= -1;
4857 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4858 params
.use_cts_prot
=
4859 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4860 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4861 params
.use_short_preamble
=
4862 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4863 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4864 params
.use_short_slot_time
=
4865 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4866 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4867 params
.basic_rates
=
4868 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4869 params
.basic_rates_len
=
4870 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4872 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4873 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4874 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4876 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4878 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4879 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4881 params
.p2p_ctwindow
=
4882 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4883 if (params
.p2p_ctwindow
< 0)
4885 if (params
.p2p_ctwindow
!= 0 &&
4886 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4890 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4893 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4895 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4898 params
.p2p_opp_ps
= tmp
;
4899 if (params
.p2p_opp_ps
&&
4900 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4904 if (!rdev
->ops
->change_bss
)
4907 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4908 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4912 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4918 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4919 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4920 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4921 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4922 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4923 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4924 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4925 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4928 static int parse_reg_rule(struct nlattr
*tb
[],
4929 struct ieee80211_reg_rule
*reg_rule
)
4931 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4932 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4934 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4936 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4938 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4940 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4942 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4945 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4947 freq_range
->start_freq_khz
=
4948 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4949 freq_range
->end_freq_khz
=
4950 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4951 freq_range
->max_bandwidth_khz
=
4952 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4954 power_rule
->max_eirp
=
4955 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4957 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4958 power_rule
->max_antenna_gain
=
4959 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4961 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4962 reg_rule
->dfs_cac_ms
=
4963 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4968 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4971 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4974 * You should only get this when cfg80211 hasn't yet initialized
4975 * completely when built-in to the kernel right between the time
4976 * window between nl80211_init() and regulatory_init(), if that is
4979 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4980 return -EINPROGRESS
;
4982 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4983 user_reg_hint_type
=
4984 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4986 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4988 switch (user_reg_hint_type
) {
4989 case NL80211_USER_REG_HINT_USER
:
4990 case NL80211_USER_REG_HINT_CELL_BASE
:
4991 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4994 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4995 return regulatory_hint_user(data
, user_reg_hint_type
);
4996 case NL80211_USER_REG_HINT_INDOOR
:
4997 return regulatory_hint_indoor_user();
5003 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5004 struct genl_info
*info
)
5006 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5007 struct net_device
*dev
= info
->user_ptr
[1];
5008 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5009 struct mesh_config cur_params
;
5012 struct nlattr
*pinfoattr
;
5013 struct sk_buff
*msg
;
5015 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5018 if (!rdev
->ops
->get_mesh_config
)
5022 /* If not connected, get default parameters */
5023 if (!wdev
->mesh_id_len
)
5024 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5026 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5032 /* Draw up a netlink message to send back */
5033 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5036 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5037 NL80211_CMD_GET_MESH_CONFIG
);
5040 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5042 goto nla_put_failure
;
5043 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5044 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5045 cur_params
.dot11MeshRetryTimeout
) ||
5046 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5047 cur_params
.dot11MeshConfirmTimeout
) ||
5048 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5049 cur_params
.dot11MeshHoldingTimeout
) ||
5050 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5051 cur_params
.dot11MeshMaxPeerLinks
) ||
5052 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5053 cur_params
.dot11MeshMaxRetries
) ||
5054 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5055 cur_params
.dot11MeshTTL
) ||
5056 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5057 cur_params
.element_ttl
) ||
5058 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5059 cur_params
.auto_open_plinks
) ||
5060 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5061 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5062 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5063 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5064 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5065 cur_params
.path_refresh_time
) ||
5066 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5067 cur_params
.min_discovery_timeout
) ||
5068 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5069 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5070 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5071 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5072 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5073 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5074 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5075 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5076 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5077 cur_params
.dot11MeshHWMPRootMode
) ||
5078 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5079 cur_params
.dot11MeshHWMPRannInterval
) ||
5080 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5081 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5082 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5083 cur_params
.dot11MeshForwarding
) ||
5084 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5085 cur_params
.rssi_threshold
) ||
5086 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5087 cur_params
.ht_opmode
) ||
5088 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5089 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5090 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5091 cur_params
.dot11MeshHWMProotInterval
) ||
5092 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5093 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5094 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5095 cur_params
.power_mode
) ||
5096 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5097 cur_params
.dot11MeshAwakeWindowDuration
) ||
5098 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5099 cur_params
.plink_timeout
))
5100 goto nla_put_failure
;
5101 nla_nest_end(msg
, pinfoattr
);
5102 genlmsg_end(msg
, hdr
);
5103 return genlmsg_reply(msg
, info
);
5106 genlmsg_cancel(msg
, hdr
);
5112 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5113 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5114 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5115 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5116 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5117 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5118 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5119 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5120 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5121 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5122 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5123 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5124 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5125 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5126 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5127 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5128 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5129 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5130 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5131 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5132 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5133 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5134 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5135 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5136 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5137 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5138 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5139 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5140 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5143 static const struct nla_policy
5144 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5145 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5146 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5147 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5148 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5149 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5150 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5151 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5152 .len
= IEEE80211_MAX_DATA_LEN
},
5153 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5156 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5157 struct mesh_config
*cfg
,
5160 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5163 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5166 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5168 cfg->param = fn(tb[attr]); \
5169 mask |= (1 << (attr - 1)); \
5174 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5176 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5177 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5178 nl80211_meshconf_params_policy
))
5181 /* This makes sure that there aren't more than 32 mesh config
5182 * parameters (otherwise our bitfield scheme would not work.) */
5183 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5185 /* Fill in the params struct */
5186 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5187 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5189 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5190 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5192 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5193 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5195 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5196 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5198 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5199 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5201 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5202 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5203 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5204 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5206 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5207 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5209 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5211 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5213 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5214 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5216 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5217 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5219 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5220 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5222 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5224 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5226 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5228 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5230 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5232 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5234 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5235 dot11MeshHWMPnetDiameterTraversalTime
,
5237 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5239 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5240 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5242 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5243 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5245 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5246 dot11MeshGateAnnouncementProtocol
, 0, 1,
5247 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5249 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5250 mask
, NL80211_MESHCONF_FORWARDING
,
5252 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5253 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5255 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5256 mask
, NL80211_MESHCONF_HT_OPMODE
,
5258 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5260 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5262 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5263 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5265 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5266 dot11MeshHWMPconfirmationInterval
,
5268 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5270 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5271 NL80211_MESH_POWER_ACTIVE
,
5272 NL80211_MESH_POWER_MAX
,
5273 mask
, NL80211_MESHCONF_POWER_MODE
,
5275 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5277 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5278 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5279 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5286 #undef FILL_IN_MESH_PARAM_IF_SET
5289 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5290 struct mesh_setup
*setup
)
5292 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5293 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5295 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5297 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5298 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5299 nl80211_mesh_setup_params_policy
))
5302 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5303 setup
->sync_method
=
5304 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5305 IEEE80211_SYNC_METHOD_VENDOR
:
5306 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5308 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5309 setup
->path_sel_proto
=
5310 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5311 IEEE80211_PATH_PROTOCOL_VENDOR
:
5312 IEEE80211_PATH_PROTOCOL_HWMP
;
5314 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5315 setup
->path_metric
=
5316 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5317 IEEE80211_PATH_METRIC_VENDOR
:
5318 IEEE80211_PATH_METRIC_AIRTIME
;
5321 if (tb
[NL80211_MESH_SETUP_IE
]) {
5322 struct nlattr
*ieattr
=
5323 tb
[NL80211_MESH_SETUP_IE
];
5324 if (!is_valid_ie_attr(ieattr
))
5326 setup
->ie
= nla_data(ieattr
);
5327 setup
->ie_len
= nla_len(ieattr
);
5329 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5330 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5332 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5333 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5334 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5335 if (setup
->is_secure
)
5336 setup
->user_mpm
= true;
5338 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5339 if (!setup
->user_mpm
)
5342 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5348 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5349 struct genl_info
*info
)
5351 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5352 struct net_device
*dev
= info
->user_ptr
[1];
5353 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5354 struct mesh_config cfg
;
5358 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5361 if (!rdev
->ops
->update_mesh_config
)
5364 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5369 if (!wdev
->mesh_id_len
)
5373 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5380 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
5381 struct sk_buff
*msg
)
5383 struct nlattr
*nl_reg_rules
;
5386 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5387 (regdom
->dfs_region
&&
5388 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5389 goto nla_put_failure
;
5391 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5393 goto nla_put_failure
;
5395 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5396 struct nlattr
*nl_reg_rule
;
5397 const struct ieee80211_reg_rule
*reg_rule
;
5398 const struct ieee80211_freq_range
*freq_range
;
5399 const struct ieee80211_power_rule
*power_rule
;
5400 unsigned int max_bandwidth_khz
;
5402 reg_rule
= ®dom
->reg_rules
[i
];
5403 freq_range
= ®_rule
->freq_range
;
5404 power_rule
= ®_rule
->power_rule
;
5406 nl_reg_rule
= nla_nest_start(msg
, i
);
5408 goto nla_put_failure
;
5410 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5411 if (!max_bandwidth_khz
)
5412 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5415 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5417 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5418 freq_range
->start_freq_khz
) ||
5419 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5420 freq_range
->end_freq_khz
) ||
5421 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5422 max_bandwidth_khz
) ||
5423 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5424 power_rule
->max_antenna_gain
) ||
5425 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5426 power_rule
->max_eirp
) ||
5427 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5428 reg_rule
->dfs_cac_ms
))
5429 goto nla_put_failure
;
5431 nla_nest_end(msg
, nl_reg_rule
);
5434 nla_nest_end(msg
, nl_reg_rules
);
5441 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
5443 const struct ieee80211_regdomain
*regdom
= NULL
;
5444 struct cfg80211_registered_device
*rdev
;
5445 struct wiphy
*wiphy
= NULL
;
5446 struct sk_buff
*msg
;
5449 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5453 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5454 NL80211_CMD_GET_REG
);
5458 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
5461 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
5464 return PTR_ERR(rdev
);
5467 wiphy
= &rdev
->wiphy
;
5468 self_managed
= wiphy
->regulatory_flags
&
5469 REGULATORY_WIPHY_SELF_MANAGED
;
5470 regdom
= get_wiphy_regdom(wiphy
);
5472 /* a self-managed-reg device must have a private regdom */
5473 if (WARN_ON(!regdom
&& self_managed
)) {
5479 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5480 goto nla_put_failure
;
5483 if (!wiphy
&& reg_last_request_cell_base() &&
5484 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5485 NL80211_USER_REG_HINT_CELL_BASE
))
5486 goto nla_put_failure
;
5491 regdom
= rcu_dereference(cfg80211_regdomain
);
5493 if (nl80211_put_regdom(regdom
, msg
))
5494 goto nla_put_failure_rcu
;
5498 genlmsg_end(msg
, hdr
);
5499 return genlmsg_reply(msg
, info
);
5501 nla_put_failure_rcu
:
5504 genlmsg_cancel(msg
, hdr
);
5510 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5511 u32 seq
, int flags
, struct wiphy
*wiphy
,
5512 const struct ieee80211_regdomain
*regdom
)
5514 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5515 NL80211_CMD_GET_REG
);
5520 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5522 if (nl80211_put_regdom(regdom
, msg
))
5523 goto nla_put_failure
;
5525 if (!wiphy
&& reg_last_request_cell_base() &&
5526 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5527 NL80211_USER_REG_HINT_CELL_BASE
))
5528 goto nla_put_failure
;
5531 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5532 goto nla_put_failure
;
5534 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
5535 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
5536 goto nla_put_failure
;
5538 genlmsg_end(msg
, hdr
);
5542 genlmsg_cancel(msg
, hdr
);
5546 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
5547 struct netlink_callback
*cb
)
5549 const struct ieee80211_regdomain
*regdom
= NULL
;
5550 struct cfg80211_registered_device
*rdev
;
5551 int err
, reg_idx
, start
= cb
->args
[2];
5555 if (cfg80211_regdomain
&& start
== 0) {
5556 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5558 rtnl_dereference(cfg80211_regdomain
));
5563 /* the global regdom is idx 0 */
5565 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
5566 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
5570 if (++reg_idx
<= start
)
5573 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5574 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
5581 cb
->args
[2] = reg_idx
;
5588 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5590 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5591 struct nlattr
*nl_reg_rule
;
5593 int rem_reg_rules
, r
;
5594 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5595 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5596 struct ieee80211_regdomain
*rd
;
5598 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5601 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5604 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5606 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5607 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5609 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5612 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5616 if (!reg_is_valid_request(alpha2
))
5619 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5620 num_rules
* sizeof(struct ieee80211_reg_rule
);
5622 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5626 rd
->n_reg_rules
= num_rules
;
5627 rd
->alpha2
[0] = alpha2
[0];
5628 rd
->alpha2
[1] = alpha2
[1];
5631 * Disable DFS master mode if the DFS region was
5632 * not supported or known on this kernel.
5634 if (reg_supported_dfs_region(dfs_region
))
5635 rd
->dfs_region
= dfs_region
;
5637 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5639 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5640 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5644 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5650 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5657 /* set_regdom took ownership */
5665 static int validate_scan_freqs(struct nlattr
*freqs
)
5667 struct nlattr
*attr1
, *attr2
;
5668 int n_channels
= 0, tmp1
, tmp2
;
5670 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5673 * Some hardware has a limited channel list for
5674 * scanning, and it is pretty much nonsensical
5675 * to scan for a channel twice, so disallow that
5676 * and don't require drivers to check that the
5677 * channel list they get isn't longer than what
5678 * they can scan, as long as they can scan all
5679 * the channels they registered at once.
5681 nla_for_each_nested(attr2
, freqs
, tmp2
)
5682 if (attr1
!= attr2
&&
5683 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5690 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5691 u8
*mac_addr
, u8
*mac_addr_mask
)
5695 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5696 eth_zero_addr(mac_addr
);
5697 eth_zero_addr(mac_addr_mask
);
5699 mac_addr_mask
[0] = 0x3;
5704 /* need both or none */
5705 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5708 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5709 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5711 /* don't allow or configure an mcast address */
5712 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5713 is_multicast_ether_addr(mac_addr
))
5717 * allow users to pass a MAC address that has bits set outside
5718 * of the mask, but don't bother drivers with having to deal
5721 for (i
= 0; i
< ETH_ALEN
; i
++)
5722 mac_addr
[i
] &= mac_addr_mask
[i
];
5727 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5729 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5730 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5731 struct cfg80211_scan_request
*request
;
5732 struct nlattr
*attr
;
5733 struct wiphy
*wiphy
;
5734 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5737 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5740 wiphy
= &rdev
->wiphy
;
5742 if (!rdev
->ops
->scan
)
5745 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5750 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5751 n_channels
= validate_scan_freqs(
5752 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5758 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5761 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5762 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5765 if (n_ssids
> wiphy
->max_scan_ssids
) {
5770 if (info
->attrs
[NL80211_ATTR_IE
])
5771 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5775 if (ie_len
> wiphy
->max_scan_ie_len
) {
5780 request
= kzalloc(sizeof(*request
)
5781 + sizeof(*request
->ssids
) * n_ssids
5782 + sizeof(*request
->channels
) * n_channels
5783 + ie_len
, GFP_KERNEL
);
5790 request
->ssids
= (void *)&request
->channels
[n_channels
];
5791 request
->n_ssids
= n_ssids
;
5794 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5796 request
->ie
= (void *)(request
->channels
+ n_channels
);
5800 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5801 /* user specified, bail out if channel not found */
5802 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5803 struct ieee80211_channel
*chan
;
5805 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5812 /* ignore disabled channels */
5813 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5816 request
->channels
[i
] = chan
;
5820 enum ieee80211_band band
;
5823 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5825 if (!wiphy
->bands
[band
])
5827 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5828 struct ieee80211_channel
*chan
;
5830 chan
= &wiphy
->bands
[band
]->channels
[j
];
5832 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5835 request
->channels
[i
] = chan
;
5846 request
->n_channels
= i
;
5850 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5851 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5855 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5856 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5861 if (info
->attrs
[NL80211_ATTR_IE
]) {
5862 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5863 memcpy((void *)request
->ie
,
5864 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5868 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5869 if (wiphy
->bands
[i
])
5871 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5873 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5874 nla_for_each_nested(attr
,
5875 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5877 enum ieee80211_band band
= nla_type(attr
);
5879 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5884 if (!wiphy
->bands
[band
])
5887 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5890 &request
->rates
[band
]);
5896 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5897 request
->flags
= nla_get_u32(
5898 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5899 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5900 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5905 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5906 if (!(wiphy
->features
&
5907 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5912 if (wdev
->current_bss
) {
5917 err
= nl80211_parse_random_mac(info
->attrs
,
5919 request
->mac_addr_mask
);
5926 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5928 request
->wdev
= wdev
;
5929 request
->wiphy
= &rdev
->wiphy
;
5930 request
->scan_start
= jiffies
;
5932 rdev
->scan_req
= request
;
5933 err
= rdev_scan(rdev
, request
);
5936 nl80211_send_scan_start(rdev
, wdev
);
5938 dev_hold(wdev
->netdev
);
5941 rdev
->scan_req
= NULL
;
5949 static struct cfg80211_sched_scan_request
*
5950 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
5951 struct nlattr
**attrs
)
5953 struct cfg80211_sched_scan_request
*request
;
5954 struct nlattr
*attr
;
5955 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5957 enum ieee80211_band band
;
5959 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5960 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5962 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
5963 return ERR_PTR(-EINVAL
);
5965 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5966 return ERR_PTR(-EINVAL
);
5968 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5970 return ERR_PTR(-EINVAL
);
5972 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5973 n_channels
= validate_scan_freqs(
5974 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5976 return ERR_PTR(-EINVAL
);
5978 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5981 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
5982 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5986 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5987 return ERR_PTR(-EINVAL
);
5990 * First, count the number of 'real' matchsets. Due to an issue with
5991 * the old implementation, matchsets containing only the RSSI attribute
5992 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5993 * RSSI for all matchsets, rather than their own matchset for reporting
5994 * all APs with a strong RSSI. This is needed to be compatible with
5995 * older userspace that treated a matchset with only the RSSI as the
5996 * global RSSI for all other matchsets - if there are other matchsets.
5998 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5999 nla_for_each_nested(attr
,
6000 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6002 struct nlattr
*rssi
;
6004 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6005 nla_data(attr
), nla_len(attr
),
6006 nl80211_match_policy
);
6008 return ERR_PTR(err
);
6009 /* add other standalone attributes here */
6010 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
6014 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6016 default_match_rssi
= nla_get_s32(rssi
);
6020 /* However, if there's no other matchset, add the RSSI one */
6021 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
6024 if (n_match_sets
> wiphy
->max_match_sets
)
6025 return ERR_PTR(-EINVAL
);
6027 if (attrs
[NL80211_ATTR_IE
])
6028 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
6032 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
6033 return ERR_PTR(-EINVAL
);
6035 request
= kzalloc(sizeof(*request
)
6036 + sizeof(*request
->ssids
) * n_ssids
6037 + sizeof(*request
->match_sets
) * n_match_sets
6038 + sizeof(*request
->channels
) * n_channels
6039 + ie_len
, GFP_KERNEL
);
6041 return ERR_PTR(-ENOMEM
);
6044 request
->ssids
= (void *)&request
->channels
[n_channels
];
6045 request
->n_ssids
= n_ssids
;
6048 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6050 request
->ie
= (void *)(request
->channels
+ n_channels
);
6055 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6057 request
->match_sets
=
6058 (void *)(request
->ssids
+ n_ssids
);
6060 request
->match_sets
=
6061 (void *)(request
->channels
+ n_channels
);
6063 request
->n_match_sets
= n_match_sets
;
6066 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6067 /* user specified, bail out if channel not found */
6068 nla_for_each_nested(attr
,
6069 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6071 struct ieee80211_channel
*chan
;
6073 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6080 /* ignore disabled channels */
6081 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6084 request
->channels
[i
] = chan
;
6089 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6091 if (!wiphy
->bands
[band
])
6093 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6094 struct ieee80211_channel
*chan
;
6096 chan
= &wiphy
->bands
[band
]->channels
[j
];
6098 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6101 request
->channels
[i
] = chan
;
6112 request
->n_channels
= i
;
6116 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6118 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6122 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6123 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6130 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6131 nla_for_each_nested(attr
,
6132 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6134 struct nlattr
*ssid
, *rssi
;
6136 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6137 nla_data(attr
), nla_len(attr
),
6138 nl80211_match_policy
);
6141 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6143 if (WARN_ON(i
>= n_match_sets
)) {
6144 /* this indicates a programming error,
6145 * the loop above should have verified
6152 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6156 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6157 nla_data(ssid
), nla_len(ssid
));
6158 request
->match_sets
[i
].ssid
.ssid_len
=
6160 /* special attribute - old implemenation w/a */
6161 request
->match_sets
[i
].rssi_thold
=
6163 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6165 request
->match_sets
[i
].rssi_thold
=
6171 /* there was no other matchset, so the RSSI one is alone */
6172 if (i
== 0 && n_match_sets
)
6173 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6175 request
->min_rssi_thold
= INT_MAX
;
6176 for (i
= 0; i
< n_match_sets
; i
++)
6177 request
->min_rssi_thold
=
6178 min(request
->match_sets
[i
].rssi_thold
,
6179 request
->min_rssi_thold
);
6181 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6185 request
->ie_len
= ie_len
;
6186 memcpy((void *)request
->ie
,
6187 nla_data(attrs
[NL80211_ATTR_IE
]),
6191 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6192 request
->flags
= nla_get_u32(
6193 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6194 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6195 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6200 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6201 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6203 if (!wdev
) /* must be net-detect */
6204 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6206 if (!(wiphy
->features
& flg
)) {
6211 if (wdev
&& wdev
->current_bss
) {
6216 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6217 request
->mac_addr_mask
);
6223 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
6225 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
6227 request
->interval
= interval
;
6228 request
->scan_start
= jiffies
;
6234 return ERR_PTR(err
);
6237 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6238 struct genl_info
*info
)
6240 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6241 struct net_device
*dev
= info
->user_ptr
[1];
6242 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6243 struct cfg80211_sched_scan_request
*sched_scan_req
;
6246 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6247 !rdev
->ops
->sched_scan_start
)
6250 if (rdev
->sched_scan_req
)
6251 return -EINPROGRESS
;
6253 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6256 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
6260 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
6264 sched_scan_req
->dev
= dev
;
6265 sched_scan_req
->wiphy
= &rdev
->wiphy
;
6267 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
6268 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
6270 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
6272 nl80211_send_sched_scan(rdev
, dev
,
6273 NL80211_CMD_START_SCHED_SCAN
);
6277 kfree(sched_scan_req
);
6282 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6283 struct genl_info
*info
)
6285 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6287 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6288 !rdev
->ops
->sched_scan_stop
)
6291 return __cfg80211_stop_sched_scan(rdev
, false);
6294 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6295 struct genl_info
*info
)
6297 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6298 struct net_device
*dev
= info
->user_ptr
[1];
6299 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6300 struct cfg80211_chan_def chandef
;
6301 enum nl80211_dfs_regions dfs_region
;
6302 unsigned int cac_time_ms
;
6305 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6306 if (dfs_region
== NL80211_DFS_UNSET
)
6309 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6313 if (netif_carrier_ok(dev
))
6316 if (wdev
->cac_started
)
6319 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6327 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6330 if (!rdev
->ops
->start_radar_detection
)
6333 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6334 if (WARN_ON(!cac_time_ms
))
6335 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6337 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6340 wdev
->chandef
= chandef
;
6341 wdev
->cac_started
= true;
6342 wdev
->cac_start_time
= jiffies
;
6343 wdev
->cac_time_ms
= cac_time_ms
;
6348 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6350 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6351 struct net_device
*dev
= info
->user_ptr
[1];
6352 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6353 struct cfg80211_csa_settings params
;
6354 /* csa_attrs is defined static to avoid waste of stack size - this
6355 * function is called under RTNL lock, so this should not be a problem.
6357 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6359 bool need_new_beacon
= false;
6363 if (!rdev
->ops
->channel_switch
||
6364 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6367 switch (dev
->ieee80211_ptr
->iftype
) {
6368 case NL80211_IFTYPE_AP
:
6369 case NL80211_IFTYPE_P2P_GO
:
6370 need_new_beacon
= true;
6372 /* useless if AP is not running */
6373 if (!wdev
->beacon_interval
)
6376 case NL80211_IFTYPE_ADHOC
:
6377 if (!wdev
->ssid_len
)
6380 case NL80211_IFTYPE_MESH_POINT
:
6381 if (!wdev
->mesh_id_len
)
6388 memset(¶ms
, 0, sizeof(params
));
6390 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6391 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6394 /* only important for AP, IBSS and mesh create IEs internally */
6395 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6398 /* Even though the attribute is u32, the specification says
6399 * u8, so let's make sure we don't overflow.
6401 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6405 params
.count
= cs_count
;
6407 if (!need_new_beacon
)
6410 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6414 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6415 info
->attrs
[NL80211_ATTR_CSA_IES
],
6420 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6424 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6427 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6428 if (!len
|| (len
% sizeof(u16
)))
6431 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6432 if (rdev
->wiphy
.max_num_csa_counters
&&
6433 (params
.n_counter_offsets_beacon
>
6434 rdev
->wiphy
.max_num_csa_counters
))
6437 params
.counter_offsets_beacon
=
6438 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6440 /* sanity checks - counters should fit and be the same */
6441 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6442 u16 offset
= params
.counter_offsets_beacon
[i
];
6444 if (offset
>= params
.beacon_csa
.tail_len
)
6447 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6451 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6452 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6453 if (!len
|| (len
% sizeof(u16
)))
6456 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6457 if (rdev
->wiphy
.max_num_csa_counters
&&
6458 (params
.n_counter_offsets_beacon
>
6459 rdev
->wiphy
.max_num_csa_counters
))
6462 params
.counter_offsets_presp
=
6463 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6465 /* sanity checks - counters should fit and be the same */
6466 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6467 u16 offset
= params
.counter_offsets_presp
[i
];
6469 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6472 if (params
.beacon_csa
.probe_resp
[offset
] !=
6479 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6483 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6487 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6494 params
.radar_required
= true;
6496 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6497 params
.block_tx
= true;
6500 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6506 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6508 struct cfg80211_registered_device
*rdev
,
6509 struct wireless_dev
*wdev
,
6510 struct cfg80211_internal_bss
*intbss
)
6512 struct cfg80211_bss
*res
= &intbss
->pub
;
6513 const struct cfg80211_bss_ies
*ies
;
6517 ASSERT_WDEV_LOCK(wdev
);
6519 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6520 NL80211_CMD_NEW_SCAN_RESULTS
);
6524 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6526 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6527 goto nla_put_failure
;
6529 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6530 goto nla_put_failure
;
6531 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6532 goto nla_put_failure
;
6534 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6536 goto nla_put_failure
;
6537 if ((!is_zero_ether_addr(res
->bssid
) &&
6538 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6539 goto nla_put_failure
;
6542 /* indicate whether we have probe response data or not */
6543 if (rcu_access_pointer(res
->proberesp_ies
) &&
6544 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6545 goto fail_unlock_rcu
;
6547 /* this pointer prefers to be pointed to probe response data
6548 * but is always valid
6550 ies
= rcu_dereference(res
->ies
);
6552 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6553 goto fail_unlock_rcu
;
6554 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6555 ies
->len
, ies
->data
))
6556 goto fail_unlock_rcu
;
6559 /* and this pointer is always (unless driver didn't know) beacon data */
6560 ies
= rcu_dereference(res
->beacon_ies
);
6561 if (ies
&& ies
->from_beacon
) {
6562 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6563 goto fail_unlock_rcu
;
6564 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6565 ies
->len
, ies
->data
))
6566 goto fail_unlock_rcu
;
6570 if (res
->beacon_interval
&&
6571 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6572 goto nla_put_failure
;
6573 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6574 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6575 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6576 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6577 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6578 goto nla_put_failure
;
6580 switch (rdev
->wiphy
.signal_type
) {
6581 case CFG80211_SIGNAL_TYPE_MBM
:
6582 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6583 goto nla_put_failure
;
6585 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6586 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6587 goto nla_put_failure
;
6593 switch (wdev
->iftype
) {
6594 case NL80211_IFTYPE_P2P_CLIENT
:
6595 case NL80211_IFTYPE_STATION
:
6596 if (intbss
== wdev
->current_bss
&&
6597 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6598 NL80211_BSS_STATUS_ASSOCIATED
))
6599 goto nla_put_failure
;
6601 case NL80211_IFTYPE_ADHOC
:
6602 if (intbss
== wdev
->current_bss
&&
6603 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6604 NL80211_BSS_STATUS_IBSS_JOINED
))
6605 goto nla_put_failure
;
6611 nla_nest_end(msg
, bss
);
6613 genlmsg_end(msg
, hdr
);
6619 genlmsg_cancel(msg
, hdr
);
6623 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6625 struct cfg80211_registered_device
*rdev
;
6626 struct cfg80211_internal_bss
*scan
;
6627 struct wireless_dev
*wdev
;
6628 int start
= cb
->args
[2], idx
= 0;
6631 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6636 spin_lock_bh(&rdev
->bss_lock
);
6637 cfg80211_bss_expire(rdev
);
6639 cb
->seq
= rdev
->bss_generation
;
6641 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6644 if (nl80211_send_bss(skb
, cb
,
6645 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6646 rdev
, wdev
, scan
) < 0) {
6652 spin_unlock_bh(&rdev
->bss_lock
);
6656 nl80211_finish_wdev_dump(rdev
);
6661 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6662 int flags
, struct net_device
*dev
,
6663 bool allow_radio_stats
,
6664 struct survey_info
*survey
)
6667 struct nlattr
*infoattr
;
6669 /* skip radio stats if userspace didn't request them */
6670 if (!survey
->channel
&& !allow_radio_stats
)
6673 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6674 NL80211_CMD_NEW_SURVEY_RESULTS
);
6678 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6679 goto nla_put_failure
;
6681 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6683 goto nla_put_failure
;
6685 if (survey
->channel
&&
6686 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6687 survey
->channel
->center_freq
))
6688 goto nla_put_failure
;
6690 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6691 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6692 goto nla_put_failure
;
6693 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6694 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6695 goto nla_put_failure
;
6696 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
6697 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME
,
6699 goto nla_put_failure
;
6700 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
6701 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
6703 goto nla_put_failure
;
6704 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
6705 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
6706 survey
->time_ext_busy
))
6707 goto nla_put_failure
;
6708 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
6709 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_RX
,
6711 goto nla_put_failure
;
6712 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
6713 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_TX
,
6715 goto nla_put_failure
;
6716 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
6717 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
6719 goto nla_put_failure
;
6721 nla_nest_end(msg
, infoattr
);
6723 genlmsg_end(msg
, hdr
);
6727 genlmsg_cancel(msg
, hdr
);
6731 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6733 struct survey_info survey
;
6734 struct cfg80211_registered_device
*rdev
;
6735 struct wireless_dev
*wdev
;
6736 int survey_idx
= cb
->args
[2];
6740 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6744 /* prepare_wdev_dump parsed the attributes */
6745 radio_stats
= nl80211_fam
.attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
6747 if (!wdev
->netdev
) {
6752 if (!rdev
->ops
->dump_survey
) {
6758 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6764 /* don't send disabled channels, but do send non-channel data */
6765 if (survey
.channel
&&
6766 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
6771 if (nl80211_send_survey(skb
,
6772 NETLINK_CB(cb
->skb
).portid
,
6773 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6774 wdev
->netdev
, radio_stats
, &survey
) < 0)
6780 cb
->args
[2] = survey_idx
;
6783 nl80211_finish_wdev_dump(rdev
);
6787 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6789 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6790 NL80211_WPA_VERSION_2
));
6793 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6795 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6796 struct net_device
*dev
= info
->user_ptr
[1];
6797 struct ieee80211_channel
*chan
;
6798 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6799 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6800 enum nl80211_auth_type auth_type
;
6801 struct key_parse key
;
6802 bool local_state_change
;
6804 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6807 if (!info
->attrs
[NL80211_ATTR_MAC
])
6810 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6813 if (!info
->attrs
[NL80211_ATTR_SSID
])
6816 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6819 err
= nl80211_parse_key(info
, &key
);
6824 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6826 if (!key
.p
.key
|| !key
.p
.key_len
)
6828 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6829 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6830 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6831 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6843 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6844 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6853 if (!rdev
->ops
->auth
)
6856 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6857 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6860 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6861 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6862 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6866 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6867 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6869 if (info
->attrs
[NL80211_ATTR_IE
]) {
6870 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6871 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6874 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6875 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6878 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6879 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6882 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6883 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6885 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6886 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6887 /* need to include at least Auth Transaction and Status Code */
6888 if (sae_data_len
< 4)
6892 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6895 * Since we no longer track auth state, ignore
6896 * requests to only change local state.
6898 if (local_state_change
)
6901 wdev_lock(dev
->ieee80211_ptr
);
6902 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6903 ssid
, ssid_len
, ie
, ie_len
,
6904 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6905 sae_data
, sae_data_len
);
6906 wdev_unlock(dev
->ieee80211_ptr
);
6910 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6911 struct genl_info
*info
,
6912 struct cfg80211_crypto_settings
*settings
,
6915 memset(settings
, 0, sizeof(*settings
));
6917 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6919 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6921 proto
= nla_get_u16(
6922 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6923 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6924 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6927 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6928 settings
->control_port_no_encrypt
= true;
6930 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6932 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6936 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6937 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6938 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6940 if (len
% sizeof(u32
))
6943 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6946 memcpy(settings
->ciphers_pairwise
, data
, len
);
6948 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6949 if (!cfg80211_supported_cipher_suite(
6951 settings
->ciphers_pairwise
[i
]))
6955 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6956 settings
->cipher_group
=
6957 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6958 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6959 settings
->cipher_group
))
6963 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6964 settings
->wpa_versions
=
6965 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6966 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6970 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6974 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6975 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6976 settings
->n_akm_suites
= len
/ sizeof(u32
);
6978 if (len
% sizeof(u32
))
6981 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6984 memcpy(settings
->akm_suites
, data
, len
);
6990 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6992 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6993 struct net_device
*dev
= info
->user_ptr
[1];
6994 struct ieee80211_channel
*chan
;
6995 struct cfg80211_assoc_request req
= {};
6996 const u8
*bssid
, *ssid
;
6997 int err
, ssid_len
= 0;
6999 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7002 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
7003 !info
->attrs
[NL80211_ATTR_SSID
] ||
7004 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7007 if (!rdev
->ops
->assoc
)
7010 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7011 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7014 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7016 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7017 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7021 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7022 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7024 if (info
->attrs
[NL80211_ATTR_IE
]) {
7025 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7026 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7029 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7030 enum nl80211_mfp mfp
=
7031 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7032 if (mfp
== NL80211_MFP_REQUIRED
)
7034 else if (mfp
!= NL80211_MFP_NO
)
7038 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
7039 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
7041 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7042 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
7044 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7045 memcpy(&req
.ht_capa_mask
,
7046 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7047 sizeof(req
.ht_capa_mask
));
7049 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7050 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7052 memcpy(&req
.ht_capa
,
7053 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7054 sizeof(req
.ht_capa
));
7057 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7058 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7060 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7061 memcpy(&req
.vht_capa_mask
,
7062 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7063 sizeof(req
.vht_capa_mask
));
7065 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7066 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7068 memcpy(&req
.vht_capa
,
7069 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7070 sizeof(req
.vht_capa
));
7073 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7074 if (!(rdev
->wiphy
.features
&
7075 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7076 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7078 req
.flags
|= ASSOC_REQ_USE_RRM
;
7081 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
7083 wdev_lock(dev
->ieee80211_ptr
);
7084 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
7085 ssid
, ssid_len
, &req
);
7086 wdev_unlock(dev
->ieee80211_ptr
);
7092 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7094 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7095 struct net_device
*dev
= info
->user_ptr
[1];
7096 const u8
*ie
= NULL
, *bssid
;
7097 int ie_len
= 0, err
;
7099 bool local_state_change
;
7101 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7104 if (!info
->attrs
[NL80211_ATTR_MAC
])
7107 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7110 if (!rdev
->ops
->deauth
)
7113 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7114 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7117 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7119 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7120 if (reason_code
== 0) {
7121 /* Reason Code 0 is reserved */
7125 if (info
->attrs
[NL80211_ATTR_IE
]) {
7126 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7127 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7130 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7132 wdev_lock(dev
->ieee80211_ptr
);
7133 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7134 local_state_change
);
7135 wdev_unlock(dev
->ieee80211_ptr
);
7139 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7141 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7142 struct net_device
*dev
= info
->user_ptr
[1];
7143 const u8
*ie
= NULL
, *bssid
;
7144 int ie_len
= 0, err
;
7146 bool local_state_change
;
7148 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7151 if (!info
->attrs
[NL80211_ATTR_MAC
])
7154 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7157 if (!rdev
->ops
->disassoc
)
7160 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7161 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7164 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7166 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7167 if (reason_code
== 0) {
7168 /* Reason Code 0 is reserved */
7172 if (info
->attrs
[NL80211_ATTR_IE
]) {
7173 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7174 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7177 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7179 wdev_lock(dev
->ieee80211_ptr
);
7180 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7181 local_state_change
);
7182 wdev_unlock(dev
->ieee80211_ptr
);
7187 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7188 int mcast_rate
[IEEE80211_NUM_BANDS
],
7191 struct wiphy
*wiphy
= &rdev
->wiphy
;
7195 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
7196 struct ieee80211_supported_band
*sband
;
7198 sband
= wiphy
->bands
[band
];
7202 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7203 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7204 mcast_rate
[band
] = i
+ 1;
7214 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7216 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7217 struct net_device
*dev
= info
->user_ptr
[1];
7218 struct cfg80211_ibss_params ibss
;
7219 struct wiphy
*wiphy
;
7220 struct cfg80211_cached_keys
*connkeys
= NULL
;
7223 memset(&ibss
, 0, sizeof(ibss
));
7225 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7228 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7229 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7232 ibss
.beacon_interval
= 100;
7234 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7235 ibss
.beacon_interval
=
7236 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7237 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7241 if (!rdev
->ops
->join_ibss
)
7244 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7247 wiphy
= &rdev
->wiphy
;
7249 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7250 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7252 if (!is_valid_ether_addr(ibss
.bssid
))
7255 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7256 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7258 if (info
->attrs
[NL80211_ATTR_IE
]) {
7259 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7260 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7263 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7267 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7268 NL80211_IFTYPE_ADHOC
))
7271 switch (ibss
.chandef
.width
) {
7272 case NL80211_CHAN_WIDTH_5
:
7273 case NL80211_CHAN_WIDTH_10
:
7274 case NL80211_CHAN_WIDTH_20_NOHT
:
7276 case NL80211_CHAN_WIDTH_20
:
7277 case NL80211_CHAN_WIDTH_40
:
7278 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
7284 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7285 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7287 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7289 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7291 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7292 struct ieee80211_supported_band
*sband
=
7293 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7295 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7301 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7302 memcpy(&ibss
.ht_capa_mask
,
7303 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7304 sizeof(ibss
.ht_capa_mask
));
7306 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7307 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7309 memcpy(&ibss
.ht_capa
,
7310 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7311 sizeof(ibss
.ht_capa
));
7314 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7315 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7316 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7319 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7322 connkeys
= nl80211_parse_connkeys(rdev
,
7323 info
->attrs
[NL80211_ATTR_KEYS
],
7325 if (IS_ERR(connkeys
))
7326 return PTR_ERR(connkeys
);
7328 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7336 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7338 ibss
.userspace_handles_dfs
=
7339 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7341 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7347 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7349 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7350 struct net_device
*dev
= info
->user_ptr
[1];
7352 if (!rdev
->ops
->leave_ibss
)
7355 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7358 return cfg80211_leave_ibss(rdev
, dev
, false);
7361 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7363 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7364 struct net_device
*dev
= info
->user_ptr
[1];
7365 int mcast_rate
[IEEE80211_NUM_BANDS
];
7369 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7370 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
7373 if (!rdev
->ops
->set_mcast_rate
)
7376 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7378 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7381 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7382 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7385 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7390 static struct sk_buff
*
7391 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7392 int approxlen
, u32 portid
, u32 seq
,
7393 enum nl80211_commands cmd
,
7394 enum nl80211_attrs attr
,
7395 const struct nl80211_vendor_cmd_info
*info
,
7398 struct sk_buff
*skb
;
7400 struct nlattr
*data
;
7402 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7406 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7412 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7413 goto nla_put_failure
;
7416 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7418 goto nla_put_failure
;
7419 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7421 goto nla_put_failure
;
7424 data
= nla_nest_start(skb
, attr
);
7426 ((void **)skb
->cb
)[0] = rdev
;
7427 ((void **)skb
->cb
)[1] = hdr
;
7428 ((void **)skb
->cb
)[2] = data
;
7437 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7438 enum nl80211_commands cmd
,
7439 enum nl80211_attrs attr
,
7440 int vendor_event_idx
,
7441 int approxlen
, gfp_t gfp
)
7443 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7444 const struct nl80211_vendor_cmd_info
*info
;
7447 case NL80211_CMD_TESTMODE
:
7448 if (WARN_ON(vendor_event_idx
!= -1))
7452 case NL80211_CMD_VENDOR
:
7453 if (WARN_ON(vendor_event_idx
< 0 ||
7454 vendor_event_idx
>= wiphy
->n_vendor_events
))
7456 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7463 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7464 cmd
, attr
, info
, gfp
);
7466 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7468 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7470 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7471 void *hdr
= ((void **)skb
->cb
)[1];
7472 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7473 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7475 /* clear CB data for netlink core to own from now on */
7476 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7478 nla_nest_end(skb
, data
);
7479 genlmsg_end(skb
, hdr
);
7481 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7482 mcgrp
= NL80211_MCGRP_VENDOR
;
7484 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7487 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7489 #ifdef CONFIG_NL80211_TESTMODE
7490 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7492 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7493 struct wireless_dev
*wdev
=
7494 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7497 if (!rdev
->ops
->testmode_cmd
)
7501 err
= PTR_ERR(wdev
);
7505 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7509 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7512 rdev
->cur_cmd_info
= info
;
7513 err
= rdev_testmode_cmd(rdev
, wdev
,
7514 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7515 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7516 rdev
->cur_cmd_info
= NULL
;
7521 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7522 struct netlink_callback
*cb
)
7524 struct cfg80211_registered_device
*rdev
;
7534 * 0 is a valid index, but not valid for args[0],
7535 * so we need to offset by 1.
7537 phy_idx
= cb
->args
[0] - 1;
7539 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7540 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7545 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7546 nl80211_fam
.attrbuf
);
7548 err
= PTR_ERR(rdev
);
7551 phy_idx
= rdev
->wiphy_idx
;
7554 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7556 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7560 data
= nla_data((void *)cb
->args
[1]);
7561 data_len
= nla_len((void *)cb
->args
[1]);
7564 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7570 if (!rdev
->ops
->testmode_dump
) {
7576 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7577 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7578 NL80211_CMD_TESTMODE
);
7579 struct nlattr
*tmdata
;
7584 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7585 genlmsg_cancel(skb
, hdr
);
7589 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7591 genlmsg_cancel(skb
, hdr
);
7594 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7595 nla_nest_end(skb
, tmdata
);
7597 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7598 genlmsg_cancel(skb
, hdr
);
7601 genlmsg_cancel(skb
, hdr
);
7605 genlmsg_end(skb
, hdr
);
7610 cb
->args
[0] = phy_idx
+ 1;
7617 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7619 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7620 struct net_device
*dev
= info
->user_ptr
[1];
7621 struct cfg80211_connect_params connect
;
7622 struct wiphy
*wiphy
;
7623 struct cfg80211_cached_keys
*connkeys
= NULL
;
7626 memset(&connect
, 0, sizeof(connect
));
7628 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7631 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7632 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7635 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7637 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7638 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7639 NL80211_CMD_CONNECT
))
7642 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7644 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7646 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7647 NL80211_MAX_NR_CIPHER_SUITES
);
7651 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7652 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7655 wiphy
= &rdev
->wiphy
;
7657 connect
.bg_scan_period
= -1;
7658 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7659 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7660 connect
.bg_scan_period
=
7661 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7664 if (info
->attrs
[NL80211_ATTR_MAC
])
7665 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7666 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7667 connect
.bssid_hint
=
7668 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7669 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7670 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7672 if (info
->attrs
[NL80211_ATTR_IE
]) {
7673 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7674 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7677 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7678 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7679 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7680 connect
.mfp
!= NL80211_MFP_NO
)
7683 connect
.mfp
= NL80211_MFP_NO
;
7686 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7687 connect
.channel
= nl80211_get_valid_chan(
7688 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7689 if (!connect
.channel
)
7691 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7692 connect
.channel_hint
= nl80211_get_valid_chan(
7693 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7694 if (!connect
.channel_hint
)
7698 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7699 connkeys
= nl80211_parse_connkeys(rdev
,
7700 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7701 if (IS_ERR(connkeys
))
7702 return PTR_ERR(connkeys
);
7705 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7706 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7708 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7709 memcpy(&connect
.ht_capa_mask
,
7710 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7711 sizeof(connect
.ht_capa_mask
));
7713 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7714 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7718 memcpy(&connect
.ht_capa
,
7719 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7720 sizeof(connect
.ht_capa
));
7723 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7724 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7726 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7727 memcpy(&connect
.vht_capa_mask
,
7728 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7729 sizeof(connect
.vht_capa_mask
));
7731 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7732 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7736 memcpy(&connect
.vht_capa
,
7737 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7738 sizeof(connect
.vht_capa
));
7741 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7742 if (!(rdev
->wiphy
.features
&
7743 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7744 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7746 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7749 wdev_lock(dev
->ieee80211_ptr
);
7750 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7751 wdev_unlock(dev
->ieee80211_ptr
);
7757 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7759 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7760 struct net_device
*dev
= info
->user_ptr
[1];
7764 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7765 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7767 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7772 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7773 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7776 wdev_lock(dev
->ieee80211_ptr
);
7777 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7778 wdev_unlock(dev
->ieee80211_ptr
);
7782 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7784 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7788 if (info
->attrs
[NL80211_ATTR_PID
]) {
7789 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7791 net
= get_net_ns_by_pid(pid
);
7792 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
7793 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
7795 net
= get_net_ns_by_fd(fd
);
7801 return PTR_ERR(net
);
7805 /* check if anything to do */
7806 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7807 err
= cfg80211_switch_netns(rdev
, net
);
7813 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7815 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7816 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7817 struct cfg80211_pmksa
*pmksa
) = NULL
;
7818 struct net_device
*dev
= info
->user_ptr
[1];
7819 struct cfg80211_pmksa pmksa
;
7821 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7823 if (!info
->attrs
[NL80211_ATTR_MAC
])
7826 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7829 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7830 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7832 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7833 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7836 switch (info
->genlhdr
->cmd
) {
7837 case NL80211_CMD_SET_PMKSA
:
7838 rdev_ops
= rdev
->ops
->set_pmksa
;
7840 case NL80211_CMD_DEL_PMKSA
:
7841 rdev_ops
= rdev
->ops
->del_pmksa
;
7851 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7854 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7856 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7857 struct net_device
*dev
= info
->user_ptr
[1];
7859 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7860 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7863 if (!rdev
->ops
->flush_pmksa
)
7866 return rdev_flush_pmksa(rdev
, dev
);
7869 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7871 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7872 struct net_device
*dev
= info
->user_ptr
[1];
7873 u8 action_code
, dialog_token
;
7874 u32 peer_capability
= 0;
7879 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7880 !rdev
->ops
->tdls_mgmt
)
7883 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7884 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7885 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7886 !info
->attrs
[NL80211_ATTR_IE
] ||
7887 !info
->attrs
[NL80211_ATTR_MAC
])
7890 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7891 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7892 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7893 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7894 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7895 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7897 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7899 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7900 dialog_token
, status_code
, peer_capability
,
7902 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7903 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7906 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7908 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7909 struct net_device
*dev
= info
->user_ptr
[1];
7910 enum nl80211_tdls_operation operation
;
7913 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7914 !rdev
->ops
->tdls_oper
)
7917 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7918 !info
->attrs
[NL80211_ATTR_MAC
])
7921 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7922 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7924 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7927 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7928 struct genl_info
*info
)
7930 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7931 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7932 struct cfg80211_chan_def chandef
;
7933 struct sk_buff
*msg
;
7939 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7940 !info
->attrs
[NL80211_ATTR_DURATION
])
7943 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7945 if (!rdev
->ops
->remain_on_channel
||
7946 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7950 * We should be on that channel for at least a minimum amount of
7951 * time (10ms) but no longer than the driver supports.
7953 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7954 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7957 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7961 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7965 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7966 NL80211_CMD_REMAIN_ON_CHANNEL
);
7972 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7978 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7979 goto nla_put_failure
;
7981 genlmsg_end(msg
, hdr
);
7983 return genlmsg_reply(msg
, info
);
7992 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7993 struct genl_info
*info
)
7995 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7996 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7999 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8002 if (!rdev
->ops
->cancel_remain_on_channel
)
8005 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8007 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
8010 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
8011 u8
*rates
, u8 rates_len
)
8016 for (i
= 0; i
< rates_len
; i
++) {
8017 int rate
= (rates
[i
] & 0x7f) * 5;
8019 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
8020 struct ieee80211_rate
*srate
=
8021 &sband
->bitrates
[ridx
];
8022 if (rate
== srate
->bitrate
) {
8027 if (ridx
== sband
->n_bitrates
)
8028 return 0; /* rate not found */
8034 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
8035 u8
*rates
, u8 rates_len
,
8036 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
8040 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
8042 for (i
= 0; i
< rates_len
; i
++) {
8045 ridx
= rates
[i
] / 8;
8046 rbit
= BIT(rates
[i
] % 8);
8048 /* check validity */
8049 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
8052 /* check availability */
8053 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
8062 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
8066 switch (vht_mcs_map
) {
8067 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
8069 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
8072 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
8075 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
8085 static void vht_build_mcs_mask(u16 vht_mcs_map
,
8086 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
8090 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8091 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8096 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8097 struct nl80211_txrate_vht
*txrate
,
8098 u16 mcs
[NL80211_VHT_NSS_MAX
])
8100 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8101 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8104 if (!sband
->vht_cap
.vht_supported
)
8107 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8109 /* Build vht_mcs_mask from VHT capabilities */
8110 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8112 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8113 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8114 mcs
[i
] = txrate
->mcs
[i
];
8122 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8123 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8124 .len
= NL80211_MAX_SUPP_RATES
},
8125 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8126 .len
= NL80211_MAX_SUPP_HT_RATES
},
8127 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8128 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8131 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8132 struct genl_info
*info
)
8134 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8135 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8136 struct cfg80211_bitrate_mask mask
;
8138 struct net_device
*dev
= info
->user_ptr
[1];
8139 struct nlattr
*tx_rates
;
8140 struct ieee80211_supported_band
*sband
;
8143 if (!rdev
->ops
->set_bitrate_mask
)
8146 memset(&mask
, 0, sizeof(mask
));
8147 /* Default to all rates enabled */
8148 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
8149 sband
= rdev
->wiphy
.bands
[i
];
8154 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8155 memcpy(mask
.control
[i
].ht_mcs
,
8156 sband
->ht_cap
.mcs
.rx_mask
,
8157 sizeof(mask
.control
[i
].ht_mcs
));
8159 if (!sband
->vht_cap
.vht_supported
)
8162 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8163 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8166 /* if no rates are given set it back to the defaults */
8167 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8171 * The nested attribute uses enum nl80211_band as the index. This maps
8172 * directly to the enum ieee80211_band values used in cfg80211.
8174 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8175 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8176 enum ieee80211_band band
= nla_type(tx_rates
);
8179 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
8181 sband
= rdev
->wiphy
.bands
[band
];
8184 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8185 nla_len(tx_rates
), nl80211_txattr_policy
);
8188 if (tb
[NL80211_TXRATE_LEGACY
]) {
8189 mask
.control
[band
].legacy
= rateset_to_mask(
8191 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8192 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8193 if ((mask
.control
[band
].legacy
== 0) &&
8194 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8197 if (tb
[NL80211_TXRATE_HT
]) {
8198 if (!ht_rateset_to_mask(
8200 nla_data(tb
[NL80211_TXRATE_HT
]),
8201 nla_len(tb
[NL80211_TXRATE_HT
]),
8202 mask
.control
[band
].ht_mcs
))
8205 if (tb
[NL80211_TXRATE_VHT
]) {
8206 if (!vht_set_mcs_mask(
8208 nla_data(tb
[NL80211_TXRATE_VHT
]),
8209 mask
.control
[band
].vht_mcs
))
8212 if (tb
[NL80211_TXRATE_GI
]) {
8213 mask
.control
[band
].gi
=
8214 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8215 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8219 if (mask
.control
[band
].legacy
== 0) {
8220 /* don't allow empty legacy rates if HT or VHT
8221 * are not even supported.
8223 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8224 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8227 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8228 if (mask
.control
[band
].ht_mcs
[i
])
8231 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8232 if (mask
.control
[band
].vht_mcs
[i
])
8235 /* legacy and mcs rates may not be both empty */
8241 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8244 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8246 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8247 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8248 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8250 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8253 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8254 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8256 switch (wdev
->iftype
) {
8257 case NL80211_IFTYPE_STATION
:
8258 case NL80211_IFTYPE_ADHOC
:
8259 case NL80211_IFTYPE_P2P_CLIENT
:
8260 case NL80211_IFTYPE_AP
:
8261 case NL80211_IFTYPE_AP_VLAN
:
8262 case NL80211_IFTYPE_MESH_POINT
:
8263 case NL80211_IFTYPE_P2P_GO
:
8264 case NL80211_IFTYPE_P2P_DEVICE
:
8270 /* not much point in registering if we can't reply */
8271 if (!rdev
->ops
->mgmt_tx
)
8274 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8275 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8276 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8279 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8281 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8282 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8283 struct cfg80211_chan_def chandef
;
8287 struct sk_buff
*msg
= NULL
;
8288 struct cfg80211_mgmt_tx_params params
= {
8289 .dont_wait_for_ack
=
8290 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8293 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8296 if (!rdev
->ops
->mgmt_tx
)
8299 switch (wdev
->iftype
) {
8300 case NL80211_IFTYPE_P2P_DEVICE
:
8301 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8303 case NL80211_IFTYPE_STATION
:
8304 case NL80211_IFTYPE_ADHOC
:
8305 case NL80211_IFTYPE_P2P_CLIENT
:
8306 case NL80211_IFTYPE_AP
:
8307 case NL80211_IFTYPE_AP_VLAN
:
8308 case NL80211_IFTYPE_MESH_POINT
:
8309 case NL80211_IFTYPE_P2P_GO
:
8315 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8316 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8318 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8321 * We should wait on the channel for at least a minimum amount
8322 * of time (10ms) but no longer than the driver supports.
8324 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8325 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8330 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8332 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8335 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8337 /* get the channel if any has been specified, otherwise pass NULL to
8338 * the driver. The latter will use the current one
8340 chandef
.chan
= NULL
;
8341 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8342 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8347 if (!chandef
.chan
&& params
.offchan
)
8350 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8351 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8353 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8354 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8357 if (len
% sizeof(u16
))
8360 params
.n_csa_offsets
= len
/ sizeof(u16
);
8361 params
.csa_offsets
=
8362 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8364 /* check that all the offsets fit the frame */
8365 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8366 if (params
.csa_offsets
[i
] >= params
.len
)
8371 if (!params
.dont_wait_for_ack
) {
8372 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8376 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8384 params
.chan
= chandef
.chan
;
8385 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8390 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8391 goto nla_put_failure
;
8393 genlmsg_end(msg
, hdr
);
8394 return genlmsg_reply(msg
, info
);
8406 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8408 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8409 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8412 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8415 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8418 switch (wdev
->iftype
) {
8419 case NL80211_IFTYPE_STATION
:
8420 case NL80211_IFTYPE_ADHOC
:
8421 case NL80211_IFTYPE_P2P_CLIENT
:
8422 case NL80211_IFTYPE_AP
:
8423 case NL80211_IFTYPE_AP_VLAN
:
8424 case NL80211_IFTYPE_P2P_GO
:
8425 case NL80211_IFTYPE_P2P_DEVICE
:
8431 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8433 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8436 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8438 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8439 struct wireless_dev
*wdev
;
8440 struct net_device
*dev
= info
->user_ptr
[1];
8445 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8448 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8450 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8453 wdev
= dev
->ieee80211_ptr
;
8455 if (!rdev
->ops
->set_power_mgmt
)
8458 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8460 if (state
== wdev
->ps
)
8463 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8469 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8471 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8472 enum nl80211_ps_state ps_state
;
8473 struct wireless_dev
*wdev
;
8474 struct net_device
*dev
= info
->user_ptr
[1];
8475 struct sk_buff
*msg
;
8479 wdev
= dev
->ieee80211_ptr
;
8481 if (!rdev
->ops
->set_power_mgmt
)
8484 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8488 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8489 NL80211_CMD_GET_POWER_SAVE
);
8496 ps_state
= NL80211_PS_ENABLED
;
8498 ps_state
= NL80211_PS_DISABLED
;
8500 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8501 goto nla_put_failure
;
8503 genlmsg_end(msg
, hdr
);
8504 return genlmsg_reply(msg
, info
);
8513 static const struct nla_policy
8514 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8515 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8516 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8517 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8518 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8519 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8520 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8523 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8524 u32 rate
, u32 pkts
, u32 intvl
)
8526 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8527 struct net_device
*dev
= info
->user_ptr
[1];
8528 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8530 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8533 if (!rdev
->ops
->set_cqm_txe_config
)
8536 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8537 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8540 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8543 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8544 s32 threshold
, u32 hysteresis
)
8546 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8547 struct net_device
*dev
= info
->user_ptr
[1];
8548 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8553 /* disabling - hysteresis should also be zero then */
8557 if (!rdev
->ops
->set_cqm_rssi_config
)
8560 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8561 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8564 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8567 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8569 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8573 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8577 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8578 nl80211_attr_cqm_policy
);
8582 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8583 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8584 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8585 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8587 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8590 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8591 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8592 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8593 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8594 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8595 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8597 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8603 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8605 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8606 struct net_device
*dev
= info
->user_ptr
[1];
8607 struct ocb_setup setup
= {};
8610 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8614 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8617 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8619 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8620 struct net_device
*dev
= info
->user_ptr
[1];
8622 return cfg80211_leave_ocb(rdev
, dev
);
8625 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8627 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8628 struct net_device
*dev
= info
->user_ptr
[1];
8629 struct mesh_config cfg
;
8630 struct mesh_setup setup
;
8633 /* start with default */
8634 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8635 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8637 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8638 /* and parse parameters if given */
8639 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8644 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8645 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8648 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8649 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8651 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8652 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8653 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8656 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8657 setup
.beacon_interval
=
8658 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8659 if (setup
.beacon_interval
< 10 ||
8660 setup
.beacon_interval
> 10000)
8664 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8666 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8667 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8671 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8672 /* parse additional setup parameters if given */
8673 err
= nl80211_parse_mesh_setup(info
, &setup
);
8679 cfg
.auto_open_plinks
= false;
8681 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8682 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8686 /* cfg80211_join_mesh() will sort it out */
8687 setup
.chandef
.chan
= NULL
;
8690 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8691 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8693 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8694 struct ieee80211_supported_band
*sband
;
8696 if (!setup
.chandef
.chan
)
8699 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8701 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8702 &setup
.basic_rates
);
8707 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8710 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8712 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8713 struct net_device
*dev
= info
->user_ptr
[1];
8715 return cfg80211_leave_mesh(rdev
, dev
);
8719 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8720 struct cfg80211_registered_device
*rdev
)
8722 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8723 struct nlattr
*nl_pats
, *nl_pat
;
8726 if (!wowlan
->n_patterns
)
8729 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8733 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8734 nl_pat
= nla_nest_start(msg
, i
+ 1);
8737 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8738 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8739 wowlan
->patterns
[i
].mask
) ||
8740 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8741 wowlan
->patterns
[i
].pattern
) ||
8742 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8743 wowlan
->patterns
[i
].pkt_offset
))
8745 nla_nest_end(msg
, nl_pat
);
8747 nla_nest_end(msg
, nl_pats
);
8752 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8753 struct cfg80211_wowlan_tcp
*tcp
)
8755 struct nlattr
*nl_tcp
;
8760 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8764 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8765 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8766 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8767 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8768 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8769 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8770 tcp
->payload_len
, tcp
->payload
) ||
8771 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8772 tcp
->data_interval
) ||
8773 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8774 tcp
->wake_len
, tcp
->wake_data
) ||
8775 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8776 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8779 if (tcp
->payload_seq
.len
&&
8780 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8781 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8784 if (tcp
->payload_tok
.len
&&
8785 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8786 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8790 nla_nest_end(msg
, nl_tcp
);
8795 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
8796 struct cfg80211_sched_scan_request
*req
)
8798 struct nlattr
*nd
, *freqs
, *matches
, *match
;
8804 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
8808 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
, req
->interval
))
8811 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
8815 for (i
= 0; i
< req
->n_channels
; i
++)
8816 nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
);
8818 nla_nest_end(msg
, freqs
);
8820 if (req
->n_match_sets
) {
8821 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
8822 for (i
= 0; i
< req
->n_match_sets
; i
++) {
8823 match
= nla_nest_start(msg
, i
);
8824 nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
8825 req
->match_sets
[i
].ssid
.ssid_len
,
8826 req
->match_sets
[i
].ssid
.ssid
);
8827 nla_nest_end(msg
, match
);
8829 nla_nest_end(msg
, matches
);
8832 nla_nest_end(msg
, nd
);
8837 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8839 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8840 struct sk_buff
*msg
;
8842 u32 size
= NLMSG_DEFAULT_SIZE
;
8844 if (!rdev
->wiphy
.wowlan
)
8847 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8848 /* adjust size to have room for all the data */
8849 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8850 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8851 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8852 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8855 msg
= nlmsg_new(size
, GFP_KERNEL
);
8859 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8860 NL80211_CMD_GET_WOWLAN
);
8862 goto nla_put_failure
;
8864 if (rdev
->wiphy
.wowlan_config
) {
8865 struct nlattr
*nl_wowlan
;
8867 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8869 goto nla_put_failure
;
8871 if ((rdev
->wiphy
.wowlan_config
->any
&&
8872 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8873 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8874 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8875 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8876 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8877 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8878 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8879 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8880 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8881 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8882 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8883 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8884 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8885 goto nla_put_failure
;
8887 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8888 goto nla_put_failure
;
8890 if (nl80211_send_wowlan_tcp(msg
,
8891 rdev
->wiphy
.wowlan_config
->tcp
))
8892 goto nla_put_failure
;
8894 if (nl80211_send_wowlan_nd(
8896 rdev
->wiphy
.wowlan_config
->nd_config
))
8897 goto nla_put_failure
;
8899 nla_nest_end(msg
, nl_wowlan
);
8902 genlmsg_end(msg
, hdr
);
8903 return genlmsg_reply(msg
, info
);
8910 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8911 struct nlattr
*attr
,
8912 struct cfg80211_wowlan
*trig
)
8914 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8915 struct cfg80211_wowlan_tcp
*cfg
;
8916 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8917 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8919 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8922 if (!rdev
->wiphy
.wowlan
->tcp
)
8925 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8926 nla_data(attr
), nla_len(attr
),
8927 nl80211_wowlan_tcp_policy
);
8931 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8932 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8933 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8934 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8935 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8936 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8937 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8938 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8941 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8942 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8945 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8946 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8947 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8950 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8951 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8954 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8955 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8958 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8959 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8961 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8962 tokens_size
= tokln
- sizeof(*tok
);
8964 if (!tok
->len
|| tokens_size
% tok
->len
)
8966 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8968 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8970 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8972 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8974 if (tok
->offset
+ tok
->len
> data_size
)
8978 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8979 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8980 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8982 if (seq
->len
== 0 || seq
->len
> 4)
8984 if (seq
->len
+ seq
->offset
> data_size
)
8988 size
= sizeof(*cfg
);
8990 size
+= wake_size
+ wake_mask_size
;
8991 size
+= tokens_size
;
8993 cfg
= kzalloc(size
, GFP_KERNEL
);
8996 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8997 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8998 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
9000 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
9001 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
9005 /* allocate a socket and port for it and use it */
9006 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
9007 IPPROTO_TCP
, &cfg
->sock
, 1);
9012 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
9013 sock_release(cfg
->sock
);
9017 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
9023 cfg
->src_port
= port
;
9026 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
9027 cfg
->payload_len
= data_size
;
9028 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
9029 memcpy((void *)cfg
->payload
,
9030 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
9033 cfg
->payload_seq
= *seq
;
9034 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
9035 cfg
->wake_len
= wake_size
;
9036 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
9037 memcpy((void *)cfg
->wake_data
,
9038 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
9040 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
9041 data_size
+ wake_size
;
9042 memcpy((void *)cfg
->wake_mask
,
9043 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
9046 cfg
->tokens_size
= tokens_size
;
9047 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
9055 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
9056 const struct wiphy_wowlan_support
*wowlan
,
9057 struct nlattr
*attr
,
9058 struct cfg80211_wowlan
*trig
)
9063 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
9067 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
9072 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
9073 nla_data(attr
), nla_len(attr
),
9078 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
9079 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
9081 trig
->nd_config
= NULL
;
9088 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9090 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9091 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
9092 struct cfg80211_wowlan new_triggers
= {};
9093 struct cfg80211_wowlan
*ntrig
;
9094 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
9096 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
9101 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
9102 cfg80211_rdev_free_wowlan(rdev
);
9103 rdev
->wiphy
.wowlan_config
= NULL
;
9107 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
9108 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9109 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9110 nl80211_wowlan_policy
);
9114 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
9115 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
9117 new_triggers
.any
= true;
9120 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
9121 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
9123 new_triggers
.disconnect
= true;
9126 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
9127 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
9129 new_triggers
.magic_pkt
= true;
9132 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
9135 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
9136 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9138 new_triggers
.gtk_rekey_failure
= true;
9141 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9142 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9144 new_triggers
.eap_identity_req
= true;
9147 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9148 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9150 new_triggers
.four_way_handshake
= true;
9153 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9154 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9156 new_triggers
.rfkill_release
= true;
9159 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9162 int rem
, pat_len
, mask_len
, pkt_offset
;
9163 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9165 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9168 if (n_patterns
> wowlan
->n_patterns
)
9171 new_triggers
.patterns
= kcalloc(n_patterns
,
9172 sizeof(new_triggers
.patterns
[0]),
9174 if (!new_triggers
.patterns
)
9177 new_triggers
.n_patterns
= n_patterns
;
9180 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9184 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9185 nla_len(pat
), NULL
);
9187 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9188 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9190 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9191 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9192 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9194 if (pat_len
> wowlan
->pattern_max_len
||
9195 pat_len
< wowlan
->pattern_min_len
)
9198 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9201 pkt_offset
= nla_get_u32(
9202 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9203 if (pkt_offset
> wowlan
->max_pkt_offset
)
9205 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9207 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9212 new_triggers
.patterns
[i
].mask
= mask_pat
;
9213 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9215 mask_pat
+= mask_len
;
9216 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9217 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9219 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9225 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9226 err
= nl80211_parse_wowlan_tcp(
9227 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9233 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9234 err
= nl80211_parse_wowlan_nd(
9235 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9241 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9246 cfg80211_rdev_free_wowlan(rdev
);
9247 rdev
->wiphy
.wowlan_config
= ntrig
;
9250 if (rdev
->ops
->set_wakeup
&&
9251 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9252 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9256 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9257 kfree(new_triggers
.patterns
[i
].mask
);
9258 kfree(new_triggers
.patterns
);
9259 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9260 sock_release(new_triggers
.tcp
->sock
);
9261 kfree(new_triggers
.tcp
);
9266 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9267 struct cfg80211_registered_device
*rdev
)
9269 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9271 struct cfg80211_coalesce_rules
*rule
;
9273 if (!rdev
->coalesce
->n_rules
)
9276 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9280 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9281 nl_rule
= nla_nest_start(msg
, i
+ 1);
9285 rule
= &rdev
->coalesce
->rules
[i
];
9286 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9290 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9294 nl_pats
= nla_nest_start(msg
,
9295 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9299 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9300 nl_pat
= nla_nest_start(msg
, j
+ 1);
9303 pat_len
= rule
->patterns
[j
].pattern_len
;
9304 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9305 DIV_ROUND_UP(pat_len
, 8),
9306 rule
->patterns
[j
].mask
) ||
9307 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9308 rule
->patterns
[j
].pattern
) ||
9309 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9310 rule
->patterns
[j
].pkt_offset
))
9312 nla_nest_end(msg
, nl_pat
);
9314 nla_nest_end(msg
, nl_pats
);
9315 nla_nest_end(msg
, nl_rule
);
9317 nla_nest_end(msg
, nl_rules
);
9322 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9324 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9325 struct sk_buff
*msg
;
9328 if (!rdev
->wiphy
.coalesce
)
9331 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9335 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9336 NL80211_CMD_GET_COALESCE
);
9338 goto nla_put_failure
;
9340 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9341 goto nla_put_failure
;
9343 genlmsg_end(msg
, hdr
);
9344 return genlmsg_reply(msg
, info
);
9351 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9353 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9355 struct cfg80211_coalesce_rules
*rule
;
9360 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9361 rule
= &coalesce
->rules
[i
];
9362 for (j
= 0; j
< rule
->n_patterns
; j
++)
9363 kfree(rule
->patterns
[j
].mask
);
9364 kfree(rule
->patterns
);
9366 kfree(coalesce
->rules
);
9368 rdev
->coalesce
= NULL
;
9371 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9372 struct nlattr
*rule
,
9373 struct cfg80211_coalesce_rules
*new_rule
)
9376 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9377 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9378 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9379 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9381 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9382 nla_len(rule
), nl80211_coalesce_policy
);
9386 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9388 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9389 if (new_rule
->delay
> coalesce
->max_delay
)
9392 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9393 new_rule
->condition
=
9394 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9395 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9396 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9399 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9402 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9405 if (n_patterns
> coalesce
->n_patterns
)
9408 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9410 if (!new_rule
->patterns
)
9413 new_rule
->n_patterns
= n_patterns
;
9416 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9420 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9421 nla_len(pat
), NULL
);
9422 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9423 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9425 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9426 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9427 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9429 if (pat_len
> coalesce
->pattern_max_len
||
9430 pat_len
< coalesce
->pattern_min_len
)
9433 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9436 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9437 if (pkt_offset
> coalesce
->max_pkt_offset
)
9439 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9441 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9445 new_rule
->patterns
[i
].mask
= mask_pat
;
9446 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9449 mask_pat
+= mask_len
;
9450 new_rule
->patterns
[i
].pattern
= mask_pat
;
9451 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9452 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9460 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9462 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9463 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9464 struct cfg80211_coalesce new_coalesce
= {};
9465 struct cfg80211_coalesce
*n_coalesce
;
9466 int err
, rem_rule
, n_rules
= 0, i
, j
;
9467 struct nlattr
*rule
;
9468 struct cfg80211_coalesce_rules
*tmp_rule
;
9470 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9473 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9474 cfg80211_rdev_free_coalesce(rdev
);
9475 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9479 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9482 if (n_rules
> coalesce
->n_rules
)
9485 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9487 if (!new_coalesce
.rules
)
9490 new_coalesce
.n_rules
= n_rules
;
9493 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9495 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9496 &new_coalesce
.rules
[i
]);
9503 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9507 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9512 cfg80211_rdev_free_coalesce(rdev
);
9513 rdev
->coalesce
= n_coalesce
;
9517 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9518 tmp_rule
= &new_coalesce
.rules
[i
];
9519 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9520 kfree(tmp_rule
->patterns
[j
].mask
);
9521 kfree(tmp_rule
->patterns
);
9523 kfree(new_coalesce
.rules
);
9528 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9530 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9531 struct net_device
*dev
= info
->user_ptr
[1];
9532 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9533 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9534 struct cfg80211_gtk_rekey_data rekey_data
;
9537 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9540 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9541 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9542 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9543 nl80211_rekey_policy
);
9547 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9549 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9551 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9554 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9555 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9556 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9559 if (!wdev
->current_bss
) {
9564 if (!rdev
->ops
->set_rekey_data
) {
9569 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9575 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9576 struct genl_info
*info
)
9578 struct net_device
*dev
= info
->user_ptr
[1];
9579 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9581 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9582 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9585 if (wdev
->ap_unexpected_nlportid
)
9588 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9592 static int nl80211_probe_client(struct sk_buff
*skb
,
9593 struct genl_info
*info
)
9595 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9596 struct net_device
*dev
= info
->user_ptr
[1];
9597 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9598 struct sk_buff
*msg
;
9604 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9605 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9608 if (!info
->attrs
[NL80211_ATTR_MAC
])
9611 if (!rdev
->ops
->probe_client
)
9614 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9618 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9619 NL80211_CMD_PROBE_CLIENT
);
9625 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9627 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9631 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9632 goto nla_put_failure
;
9634 genlmsg_end(msg
, hdr
);
9636 return genlmsg_reply(msg
, info
);
9645 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9647 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9648 struct cfg80211_beacon_registration
*reg
, *nreg
;
9651 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9654 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9658 /* First, check if already registered. */
9659 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9660 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9661 if (reg
->nlportid
== info
->snd_portid
) {
9666 /* Add it to the list */
9667 nreg
->nlportid
= info
->snd_portid
;
9668 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9670 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9674 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9679 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9681 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9682 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9685 if (!rdev
->ops
->start_p2p_device
)
9688 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9691 if (wdev
->p2p_started
)
9694 if (rfkill_blocked(rdev
->rfkill
))
9697 err
= rdev_start_p2p_device(rdev
, wdev
);
9701 wdev
->p2p_started
= true;
9707 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9709 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9710 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9712 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9715 if (!rdev
->ops
->stop_p2p_device
)
9718 cfg80211_stop_p2p_device(rdev
, wdev
);
9723 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9724 struct genl_info
*info
)
9727 struct sk_buff
*msg
;
9729 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9733 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9734 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9736 goto nla_put_failure
;
9738 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9739 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9740 goto nla_put_failure
;
9742 genlmsg_end(msg
, hdr
);
9743 return genlmsg_reply(msg
, info
);
9750 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9752 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9753 struct cfg80211_update_ft_ies_params ft_params
;
9754 struct net_device
*dev
= info
->user_ptr
[1];
9756 if (!rdev
->ops
->update_ft_ies
)
9759 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9760 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9763 memset(&ft_params
, 0, sizeof(ft_params
));
9764 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9765 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9766 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9768 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9771 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9772 struct genl_info
*info
)
9774 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9775 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9776 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9780 if (!rdev
->ops
->crit_proto_start
)
9783 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9786 if (rdev
->crit_proto_nlportid
)
9789 /* determine protocol if provided */
9790 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9791 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9793 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9796 /* timeout must be provided */
9797 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9801 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9803 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9806 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9808 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9813 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9814 struct genl_info
*info
)
9816 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9817 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9819 if (!rdev
->ops
->crit_proto_stop
)
9822 if (rdev
->crit_proto_nlportid
) {
9823 rdev
->crit_proto_nlportid
= 0;
9824 rdev_crit_proto_stop(rdev
, wdev
);
9829 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9831 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9832 struct wireless_dev
*wdev
=
9833 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9837 if (!rdev
->wiphy
.vendor_commands
)
9841 err
= PTR_ERR(wdev
);
9845 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9849 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9850 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9853 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9854 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9855 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9856 const struct wiphy_vendor_command
*vcmd
;
9860 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9862 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9865 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9866 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9869 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9873 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9875 !netif_running(wdev
->netdev
))
9877 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9884 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9885 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9886 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9889 rdev
->cur_cmd_info
= info
;
9890 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9892 rdev
->cur_cmd_info
= NULL
;
9899 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9900 enum nl80211_commands cmd
,
9901 enum nl80211_attrs attr
,
9904 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9906 if (WARN_ON(!rdev
->cur_cmd_info
))
9909 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9910 rdev
->cur_cmd_info
->snd_portid
,
9911 rdev
->cur_cmd_info
->snd_seq
,
9912 cmd
, attr
, NULL
, GFP_KERNEL
);
9914 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9916 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9918 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9919 void *hdr
= ((void **)skb
->cb
)[1];
9920 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9922 /* clear CB data for netlink core to own from now on */
9923 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9925 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9930 nla_nest_end(skb
, data
);
9931 genlmsg_end(skb
, hdr
);
9932 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9934 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9937 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9938 struct genl_info
*info
)
9940 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9941 struct cfg80211_qos_map
*qos_map
= NULL
;
9942 struct net_device
*dev
= info
->user_ptr
[1];
9943 u8
*pos
, len
, num_des
, des_len
, des
;
9946 if (!rdev
->ops
->set_qos_map
)
9949 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9950 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9951 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9953 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9954 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9957 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9961 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9964 sizeof(struct cfg80211_dscp_exception
);
9965 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9966 qos_map
->num_des
= num_des
;
9967 for (des
= 0; des
< num_des
; des
++) {
9968 if (qos_map
->dscp_exception
[des
].up
> 7) {
9975 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9978 wdev_lock(dev
->ieee80211_ptr
);
9979 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9981 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9982 wdev_unlock(dev
->ieee80211_ptr
);
9988 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9990 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9991 struct net_device
*dev
= info
->user_ptr
[1];
9992 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9995 u16 admitted_time
= 0;
9998 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
10001 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
10002 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
10005 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10006 if (tsid
>= IEEE80211_NUM_TIDS
)
10009 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
10010 if (up
>= IEEE80211_NUM_UPS
)
10013 /* WMM uses TIDs 0-7 even for TSPEC */
10014 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
10015 /* TODO: handle 802.11 TSPEC/admission control
10016 * need more attributes for that (e.g. BA session requirement);
10017 * change the WMM adminssion test above to allow both then
10022 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10024 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
10026 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
10027 if (!admitted_time
)
10032 switch (wdev
->iftype
) {
10033 case NL80211_IFTYPE_STATION
:
10034 case NL80211_IFTYPE_P2P_CLIENT
:
10035 if (wdev
->current_bss
)
10044 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
10051 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10053 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10054 struct net_device
*dev
= info
->user_ptr
[1];
10055 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10060 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
10063 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10064 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10067 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
10073 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
10074 struct genl_info
*info
)
10076 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10077 struct net_device
*dev
= info
->user_ptr
[1];
10078 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10079 struct cfg80211_chan_def chandef
= {};
10084 if (!rdev
->ops
->tdls_channel_switch
||
10085 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10086 return -EOPNOTSUPP
;
10088 switch (dev
->ieee80211_ptr
->iftype
) {
10089 case NL80211_IFTYPE_STATION
:
10090 case NL80211_IFTYPE_P2P_CLIENT
:
10093 return -EOPNOTSUPP
;
10096 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
10097 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
10100 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
10105 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
10106 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
10107 * specification is not defined for them.
10109 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
10110 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
10111 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
10114 /* we will be active on the TDLS link */
10115 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, wdev
->iftype
))
10118 /* don't allow switching to DFS channels */
10119 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
10122 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10123 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
10126 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
10132 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
10133 struct genl_info
*info
)
10135 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10136 struct net_device
*dev
= info
->user_ptr
[1];
10137 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10140 if (!rdev
->ops
->tdls_channel_switch
||
10141 !rdev
->ops
->tdls_cancel_channel_switch
||
10142 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10143 return -EOPNOTSUPP
;
10145 switch (dev
->ieee80211_ptr
->iftype
) {
10146 case NL80211_IFTYPE_STATION
:
10147 case NL80211_IFTYPE_P2P_CLIENT
:
10150 return -EOPNOTSUPP
;
10153 if (!info
->attrs
[NL80211_ATTR_MAC
])
10156 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10159 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10165 #define NL80211_FLAG_NEED_WIPHY 0x01
10166 #define NL80211_FLAG_NEED_NETDEV 0x02
10167 #define NL80211_FLAG_NEED_RTNL 0x04
10168 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10169 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10170 NL80211_FLAG_CHECK_NETDEV_UP)
10171 #define NL80211_FLAG_NEED_WDEV 0x10
10172 /* If a netdev is associated, it must be UP, P2P must be started */
10173 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10174 NL80211_FLAG_CHECK_NETDEV_UP)
10175 #define NL80211_FLAG_CLEAR_SKB 0x20
10177 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10178 struct genl_info
*info
)
10180 struct cfg80211_registered_device
*rdev
;
10181 struct wireless_dev
*wdev
;
10182 struct net_device
*dev
;
10183 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
10188 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
10189 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
10190 if (IS_ERR(rdev
)) {
10193 return PTR_ERR(rdev
);
10195 info
->user_ptr
[0] = rdev
;
10196 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
10197 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10200 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
10202 if (IS_ERR(wdev
)) {
10205 return PTR_ERR(wdev
);
10208 dev
= wdev
->netdev
;
10209 rdev
= wiphy_to_rdev(wdev
->wiphy
);
10211 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
10218 info
->user_ptr
[1] = dev
;
10220 info
->user_ptr
[1] = wdev
;
10224 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
10225 !netif_running(dev
)) {
10232 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
10233 if (!wdev
->p2p_started
) {
10240 info
->user_ptr
[0] = rdev
;
10246 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10247 struct genl_info
*info
)
10249 if (info
->user_ptr
[1]) {
10250 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10251 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10254 dev_put(wdev
->netdev
);
10256 dev_put(info
->user_ptr
[1]);
10260 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10263 /* If needed, clear the netlink message payload from the SKB
10264 * as it might contain key data that shouldn't stick around on
10265 * the heap after the SKB is freed. The netlink message header
10266 * is still needed for further processing, so leave it intact.
10268 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10269 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10271 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10275 static const struct genl_ops nl80211_ops
[] = {
10277 .cmd
= NL80211_CMD_GET_WIPHY
,
10278 .doit
= nl80211_get_wiphy
,
10279 .dumpit
= nl80211_dump_wiphy
,
10280 .done
= nl80211_dump_wiphy_done
,
10281 .policy
= nl80211_policy
,
10282 /* can be retrieved by unprivileged users */
10283 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10284 NL80211_FLAG_NEED_RTNL
,
10287 .cmd
= NL80211_CMD_SET_WIPHY
,
10288 .doit
= nl80211_set_wiphy
,
10289 .policy
= nl80211_policy
,
10290 .flags
= GENL_ADMIN_PERM
,
10291 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10294 .cmd
= NL80211_CMD_GET_INTERFACE
,
10295 .doit
= nl80211_get_interface
,
10296 .dumpit
= nl80211_dump_interface
,
10297 .policy
= nl80211_policy
,
10298 /* can be retrieved by unprivileged users */
10299 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10300 NL80211_FLAG_NEED_RTNL
,
10303 .cmd
= NL80211_CMD_SET_INTERFACE
,
10304 .doit
= nl80211_set_interface
,
10305 .policy
= nl80211_policy
,
10306 .flags
= GENL_ADMIN_PERM
,
10307 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10308 NL80211_FLAG_NEED_RTNL
,
10311 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10312 .doit
= nl80211_new_interface
,
10313 .policy
= nl80211_policy
,
10314 .flags
= GENL_ADMIN_PERM
,
10315 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10316 NL80211_FLAG_NEED_RTNL
,
10319 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10320 .doit
= nl80211_del_interface
,
10321 .policy
= nl80211_policy
,
10322 .flags
= GENL_ADMIN_PERM
,
10323 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10324 NL80211_FLAG_NEED_RTNL
,
10327 .cmd
= NL80211_CMD_GET_KEY
,
10328 .doit
= nl80211_get_key
,
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_SET_KEY
,
10336 .doit
= nl80211_set_key
,
10337 .policy
= nl80211_policy
,
10338 .flags
= GENL_ADMIN_PERM
,
10339 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10340 NL80211_FLAG_NEED_RTNL
|
10341 NL80211_FLAG_CLEAR_SKB
,
10344 .cmd
= NL80211_CMD_NEW_KEY
,
10345 .doit
= nl80211_new_key
,
10346 .policy
= nl80211_policy
,
10347 .flags
= GENL_ADMIN_PERM
,
10348 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10349 NL80211_FLAG_NEED_RTNL
|
10350 NL80211_FLAG_CLEAR_SKB
,
10353 .cmd
= NL80211_CMD_DEL_KEY
,
10354 .doit
= nl80211_del_key
,
10355 .policy
= nl80211_policy
,
10356 .flags
= GENL_ADMIN_PERM
,
10357 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10358 NL80211_FLAG_NEED_RTNL
,
10361 .cmd
= NL80211_CMD_SET_BEACON
,
10362 .policy
= nl80211_policy
,
10363 .flags
= GENL_ADMIN_PERM
,
10364 .doit
= nl80211_set_beacon
,
10365 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10366 NL80211_FLAG_NEED_RTNL
,
10369 .cmd
= NL80211_CMD_START_AP
,
10370 .policy
= nl80211_policy
,
10371 .flags
= GENL_ADMIN_PERM
,
10372 .doit
= nl80211_start_ap
,
10373 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10374 NL80211_FLAG_NEED_RTNL
,
10377 .cmd
= NL80211_CMD_STOP_AP
,
10378 .policy
= nl80211_policy
,
10379 .flags
= GENL_ADMIN_PERM
,
10380 .doit
= nl80211_stop_ap
,
10381 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10382 NL80211_FLAG_NEED_RTNL
,
10385 .cmd
= NL80211_CMD_GET_STATION
,
10386 .doit
= nl80211_get_station
,
10387 .dumpit
= nl80211_dump_station
,
10388 .policy
= nl80211_policy
,
10389 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10390 NL80211_FLAG_NEED_RTNL
,
10393 .cmd
= NL80211_CMD_SET_STATION
,
10394 .doit
= nl80211_set_station
,
10395 .policy
= nl80211_policy
,
10396 .flags
= GENL_ADMIN_PERM
,
10397 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10398 NL80211_FLAG_NEED_RTNL
,
10401 .cmd
= NL80211_CMD_NEW_STATION
,
10402 .doit
= nl80211_new_station
,
10403 .policy
= nl80211_policy
,
10404 .flags
= GENL_ADMIN_PERM
,
10405 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10406 NL80211_FLAG_NEED_RTNL
,
10409 .cmd
= NL80211_CMD_DEL_STATION
,
10410 .doit
= nl80211_del_station
,
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_GET_MPATH
,
10418 .doit
= nl80211_get_mpath
,
10419 .dumpit
= nl80211_dump_mpath
,
10420 .policy
= nl80211_policy
,
10421 .flags
= GENL_ADMIN_PERM
,
10422 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10423 NL80211_FLAG_NEED_RTNL
,
10426 .cmd
= NL80211_CMD_GET_MPP
,
10427 .doit
= nl80211_get_mpp
,
10428 .dumpit
= nl80211_dump_mpp
,
10429 .policy
= nl80211_policy
,
10430 .flags
= GENL_ADMIN_PERM
,
10431 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10432 NL80211_FLAG_NEED_RTNL
,
10435 .cmd
= NL80211_CMD_SET_MPATH
,
10436 .doit
= nl80211_set_mpath
,
10437 .policy
= nl80211_policy
,
10438 .flags
= GENL_ADMIN_PERM
,
10439 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10440 NL80211_FLAG_NEED_RTNL
,
10443 .cmd
= NL80211_CMD_NEW_MPATH
,
10444 .doit
= nl80211_new_mpath
,
10445 .policy
= nl80211_policy
,
10446 .flags
= GENL_ADMIN_PERM
,
10447 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10448 NL80211_FLAG_NEED_RTNL
,
10451 .cmd
= NL80211_CMD_DEL_MPATH
,
10452 .doit
= nl80211_del_mpath
,
10453 .policy
= nl80211_policy
,
10454 .flags
= GENL_ADMIN_PERM
,
10455 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10456 NL80211_FLAG_NEED_RTNL
,
10459 .cmd
= NL80211_CMD_SET_BSS
,
10460 .doit
= nl80211_set_bss
,
10461 .policy
= nl80211_policy
,
10462 .flags
= GENL_ADMIN_PERM
,
10463 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10464 NL80211_FLAG_NEED_RTNL
,
10467 .cmd
= NL80211_CMD_GET_REG
,
10468 .doit
= nl80211_get_reg_do
,
10469 .dumpit
= nl80211_get_reg_dump
,
10470 .policy
= nl80211_policy
,
10471 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10472 /* can be retrieved by unprivileged users */
10475 .cmd
= NL80211_CMD_SET_REG
,
10476 .doit
= nl80211_set_reg
,
10477 .policy
= nl80211_policy
,
10478 .flags
= GENL_ADMIN_PERM
,
10479 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10482 .cmd
= NL80211_CMD_REQ_SET_REG
,
10483 .doit
= nl80211_req_set_reg
,
10484 .policy
= nl80211_policy
,
10485 .flags
= GENL_ADMIN_PERM
,
10488 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10489 .doit
= nl80211_get_mesh_config
,
10490 .policy
= nl80211_policy
,
10491 /* can be retrieved by unprivileged users */
10492 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10493 NL80211_FLAG_NEED_RTNL
,
10496 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10497 .doit
= nl80211_update_mesh_config
,
10498 .policy
= nl80211_policy
,
10499 .flags
= GENL_ADMIN_PERM
,
10500 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10501 NL80211_FLAG_NEED_RTNL
,
10504 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
10505 .doit
= nl80211_trigger_scan
,
10506 .policy
= nl80211_policy
,
10507 .flags
= GENL_ADMIN_PERM
,
10508 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10509 NL80211_FLAG_NEED_RTNL
,
10512 .cmd
= NL80211_CMD_GET_SCAN
,
10513 .policy
= nl80211_policy
,
10514 .dumpit
= nl80211_dump_scan
,
10517 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10518 .doit
= nl80211_start_sched_scan
,
10519 .policy
= nl80211_policy
,
10520 .flags
= GENL_ADMIN_PERM
,
10521 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10522 NL80211_FLAG_NEED_RTNL
,
10525 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
10526 .doit
= nl80211_stop_sched_scan
,
10527 .policy
= nl80211_policy
,
10528 .flags
= GENL_ADMIN_PERM
,
10529 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10530 NL80211_FLAG_NEED_RTNL
,
10533 .cmd
= NL80211_CMD_AUTHENTICATE
,
10534 .doit
= nl80211_authenticate
,
10535 .policy
= nl80211_policy
,
10536 .flags
= GENL_ADMIN_PERM
,
10537 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10538 NL80211_FLAG_NEED_RTNL
|
10539 NL80211_FLAG_CLEAR_SKB
,
10542 .cmd
= NL80211_CMD_ASSOCIATE
,
10543 .doit
= nl80211_associate
,
10544 .policy
= nl80211_policy
,
10545 .flags
= GENL_ADMIN_PERM
,
10546 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10547 NL80211_FLAG_NEED_RTNL
,
10550 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10551 .doit
= nl80211_deauthenticate
,
10552 .policy
= nl80211_policy
,
10553 .flags
= GENL_ADMIN_PERM
,
10554 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10555 NL80211_FLAG_NEED_RTNL
,
10558 .cmd
= NL80211_CMD_DISASSOCIATE
,
10559 .doit
= nl80211_disassociate
,
10560 .policy
= nl80211_policy
,
10561 .flags
= GENL_ADMIN_PERM
,
10562 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10563 NL80211_FLAG_NEED_RTNL
,
10566 .cmd
= NL80211_CMD_JOIN_IBSS
,
10567 .doit
= nl80211_join_ibss
,
10568 .policy
= nl80211_policy
,
10569 .flags
= GENL_ADMIN_PERM
,
10570 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10571 NL80211_FLAG_NEED_RTNL
,
10574 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10575 .doit
= nl80211_leave_ibss
,
10576 .policy
= nl80211_policy
,
10577 .flags
= GENL_ADMIN_PERM
,
10578 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10579 NL80211_FLAG_NEED_RTNL
,
10581 #ifdef CONFIG_NL80211_TESTMODE
10583 .cmd
= NL80211_CMD_TESTMODE
,
10584 .doit
= nl80211_testmode_do
,
10585 .dumpit
= nl80211_testmode_dump
,
10586 .policy
= nl80211_policy
,
10587 .flags
= GENL_ADMIN_PERM
,
10588 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10589 NL80211_FLAG_NEED_RTNL
,
10593 .cmd
= NL80211_CMD_CONNECT
,
10594 .doit
= nl80211_connect
,
10595 .policy
= nl80211_policy
,
10596 .flags
= GENL_ADMIN_PERM
,
10597 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10598 NL80211_FLAG_NEED_RTNL
,
10601 .cmd
= NL80211_CMD_DISCONNECT
,
10602 .doit
= nl80211_disconnect
,
10603 .policy
= nl80211_policy
,
10604 .flags
= GENL_ADMIN_PERM
,
10605 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10606 NL80211_FLAG_NEED_RTNL
,
10609 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10610 .doit
= nl80211_wiphy_netns
,
10611 .policy
= nl80211_policy
,
10612 .flags
= GENL_ADMIN_PERM
,
10613 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10614 NL80211_FLAG_NEED_RTNL
,
10617 .cmd
= NL80211_CMD_GET_SURVEY
,
10618 .policy
= nl80211_policy
,
10619 .dumpit
= nl80211_dump_survey
,
10622 .cmd
= NL80211_CMD_SET_PMKSA
,
10623 .doit
= nl80211_setdel_pmksa
,
10624 .policy
= nl80211_policy
,
10625 .flags
= GENL_ADMIN_PERM
,
10626 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10627 NL80211_FLAG_NEED_RTNL
,
10630 .cmd
= NL80211_CMD_DEL_PMKSA
,
10631 .doit
= nl80211_setdel_pmksa
,
10632 .policy
= nl80211_policy
,
10633 .flags
= GENL_ADMIN_PERM
,
10634 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10635 NL80211_FLAG_NEED_RTNL
,
10638 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10639 .doit
= nl80211_flush_pmksa
,
10640 .policy
= nl80211_policy
,
10641 .flags
= GENL_ADMIN_PERM
,
10642 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10643 NL80211_FLAG_NEED_RTNL
,
10646 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10647 .doit
= nl80211_remain_on_channel
,
10648 .policy
= nl80211_policy
,
10649 .flags
= GENL_ADMIN_PERM
,
10650 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10651 NL80211_FLAG_NEED_RTNL
,
10654 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10655 .doit
= nl80211_cancel_remain_on_channel
,
10656 .policy
= nl80211_policy
,
10657 .flags
= GENL_ADMIN_PERM
,
10658 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10659 NL80211_FLAG_NEED_RTNL
,
10662 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10663 .doit
= nl80211_set_tx_bitrate_mask
,
10664 .policy
= nl80211_policy
,
10665 .flags
= GENL_ADMIN_PERM
,
10666 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10667 NL80211_FLAG_NEED_RTNL
,
10670 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10671 .doit
= nl80211_register_mgmt
,
10672 .policy
= nl80211_policy
,
10673 .flags
= GENL_ADMIN_PERM
,
10674 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10675 NL80211_FLAG_NEED_RTNL
,
10678 .cmd
= NL80211_CMD_FRAME
,
10679 .doit
= nl80211_tx_mgmt
,
10680 .policy
= nl80211_policy
,
10681 .flags
= GENL_ADMIN_PERM
,
10682 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10683 NL80211_FLAG_NEED_RTNL
,
10686 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10687 .doit
= nl80211_tx_mgmt_cancel_wait
,
10688 .policy
= nl80211_policy
,
10689 .flags
= GENL_ADMIN_PERM
,
10690 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10691 NL80211_FLAG_NEED_RTNL
,
10694 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10695 .doit
= nl80211_set_power_save
,
10696 .policy
= nl80211_policy
,
10697 .flags
= GENL_ADMIN_PERM
,
10698 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10699 NL80211_FLAG_NEED_RTNL
,
10702 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10703 .doit
= nl80211_get_power_save
,
10704 .policy
= nl80211_policy
,
10705 /* can be retrieved by unprivileged users */
10706 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10707 NL80211_FLAG_NEED_RTNL
,
10710 .cmd
= NL80211_CMD_SET_CQM
,
10711 .doit
= nl80211_set_cqm
,
10712 .policy
= nl80211_policy
,
10713 .flags
= GENL_ADMIN_PERM
,
10714 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10715 NL80211_FLAG_NEED_RTNL
,
10718 .cmd
= NL80211_CMD_SET_CHANNEL
,
10719 .doit
= nl80211_set_channel
,
10720 .policy
= nl80211_policy
,
10721 .flags
= GENL_ADMIN_PERM
,
10722 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10723 NL80211_FLAG_NEED_RTNL
,
10726 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10727 .doit
= nl80211_set_wds_peer
,
10728 .policy
= nl80211_policy
,
10729 .flags
= GENL_ADMIN_PERM
,
10730 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10731 NL80211_FLAG_NEED_RTNL
,
10734 .cmd
= NL80211_CMD_JOIN_MESH
,
10735 .doit
= nl80211_join_mesh
,
10736 .policy
= nl80211_policy
,
10737 .flags
= GENL_ADMIN_PERM
,
10738 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10739 NL80211_FLAG_NEED_RTNL
,
10742 .cmd
= NL80211_CMD_LEAVE_MESH
,
10743 .doit
= nl80211_leave_mesh
,
10744 .policy
= nl80211_policy
,
10745 .flags
= GENL_ADMIN_PERM
,
10746 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10747 NL80211_FLAG_NEED_RTNL
,
10750 .cmd
= NL80211_CMD_JOIN_OCB
,
10751 .doit
= nl80211_join_ocb
,
10752 .policy
= nl80211_policy
,
10753 .flags
= GENL_ADMIN_PERM
,
10754 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10755 NL80211_FLAG_NEED_RTNL
,
10758 .cmd
= NL80211_CMD_LEAVE_OCB
,
10759 .doit
= nl80211_leave_ocb
,
10760 .policy
= nl80211_policy
,
10761 .flags
= GENL_ADMIN_PERM
,
10762 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10763 NL80211_FLAG_NEED_RTNL
,
10767 .cmd
= NL80211_CMD_GET_WOWLAN
,
10768 .doit
= nl80211_get_wowlan
,
10769 .policy
= nl80211_policy
,
10770 /* can be retrieved by unprivileged users */
10771 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10772 NL80211_FLAG_NEED_RTNL
,
10775 .cmd
= NL80211_CMD_SET_WOWLAN
,
10776 .doit
= nl80211_set_wowlan
,
10777 .policy
= nl80211_policy
,
10778 .flags
= GENL_ADMIN_PERM
,
10779 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10780 NL80211_FLAG_NEED_RTNL
,
10784 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10785 .doit
= nl80211_set_rekey_data
,
10786 .policy
= nl80211_policy
,
10787 .flags
= GENL_ADMIN_PERM
,
10788 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10789 NL80211_FLAG_NEED_RTNL
|
10790 NL80211_FLAG_CLEAR_SKB
,
10793 .cmd
= NL80211_CMD_TDLS_MGMT
,
10794 .doit
= nl80211_tdls_mgmt
,
10795 .policy
= nl80211_policy
,
10796 .flags
= GENL_ADMIN_PERM
,
10797 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10798 NL80211_FLAG_NEED_RTNL
,
10801 .cmd
= NL80211_CMD_TDLS_OPER
,
10802 .doit
= nl80211_tdls_oper
,
10803 .policy
= nl80211_policy
,
10804 .flags
= GENL_ADMIN_PERM
,
10805 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10806 NL80211_FLAG_NEED_RTNL
,
10809 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10810 .doit
= nl80211_register_unexpected_frame
,
10811 .policy
= nl80211_policy
,
10812 .flags
= GENL_ADMIN_PERM
,
10813 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10814 NL80211_FLAG_NEED_RTNL
,
10817 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10818 .doit
= nl80211_probe_client
,
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_REGISTER_BEACONS
,
10826 .doit
= nl80211_register_beacons
,
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_NOACK_MAP
,
10834 .doit
= nl80211_set_noack_map
,
10835 .policy
= nl80211_policy
,
10836 .flags
= GENL_ADMIN_PERM
,
10837 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10838 NL80211_FLAG_NEED_RTNL
,
10841 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10842 .doit
= nl80211_start_p2p_device
,
10843 .policy
= nl80211_policy
,
10844 .flags
= GENL_ADMIN_PERM
,
10845 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10846 NL80211_FLAG_NEED_RTNL
,
10849 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10850 .doit
= nl80211_stop_p2p_device
,
10851 .policy
= nl80211_policy
,
10852 .flags
= GENL_ADMIN_PERM
,
10853 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10854 NL80211_FLAG_NEED_RTNL
,
10857 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10858 .doit
= nl80211_set_mcast_rate
,
10859 .policy
= nl80211_policy
,
10860 .flags
= GENL_ADMIN_PERM
,
10861 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10862 NL80211_FLAG_NEED_RTNL
,
10865 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10866 .doit
= nl80211_set_mac_acl
,
10867 .policy
= nl80211_policy
,
10868 .flags
= GENL_ADMIN_PERM
,
10869 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10870 NL80211_FLAG_NEED_RTNL
,
10873 .cmd
= NL80211_CMD_RADAR_DETECT
,
10874 .doit
= nl80211_start_radar_detection
,
10875 .policy
= nl80211_policy
,
10876 .flags
= GENL_ADMIN_PERM
,
10877 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10878 NL80211_FLAG_NEED_RTNL
,
10881 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10882 .doit
= nl80211_get_protocol_features
,
10883 .policy
= nl80211_policy
,
10886 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10887 .doit
= nl80211_update_ft_ies
,
10888 .policy
= nl80211_policy
,
10889 .flags
= GENL_ADMIN_PERM
,
10890 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10891 NL80211_FLAG_NEED_RTNL
,
10894 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10895 .doit
= nl80211_crit_protocol_start
,
10896 .policy
= nl80211_policy
,
10897 .flags
= GENL_ADMIN_PERM
,
10898 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10899 NL80211_FLAG_NEED_RTNL
,
10902 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10903 .doit
= nl80211_crit_protocol_stop
,
10904 .policy
= nl80211_policy
,
10905 .flags
= GENL_ADMIN_PERM
,
10906 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10907 NL80211_FLAG_NEED_RTNL
,
10910 .cmd
= NL80211_CMD_GET_COALESCE
,
10911 .doit
= nl80211_get_coalesce
,
10912 .policy
= nl80211_policy
,
10913 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10914 NL80211_FLAG_NEED_RTNL
,
10917 .cmd
= NL80211_CMD_SET_COALESCE
,
10918 .doit
= nl80211_set_coalesce
,
10919 .policy
= nl80211_policy
,
10920 .flags
= GENL_ADMIN_PERM
,
10921 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10922 NL80211_FLAG_NEED_RTNL
,
10925 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10926 .doit
= nl80211_channel_switch
,
10927 .policy
= nl80211_policy
,
10928 .flags
= GENL_ADMIN_PERM
,
10929 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10930 NL80211_FLAG_NEED_RTNL
,
10933 .cmd
= NL80211_CMD_VENDOR
,
10934 .doit
= nl80211_vendor_cmd
,
10935 .policy
= nl80211_policy
,
10936 .flags
= GENL_ADMIN_PERM
,
10937 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10938 NL80211_FLAG_NEED_RTNL
,
10941 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10942 .doit
= nl80211_set_qos_map
,
10943 .policy
= nl80211_policy
,
10944 .flags
= GENL_ADMIN_PERM
,
10945 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10946 NL80211_FLAG_NEED_RTNL
,
10949 .cmd
= NL80211_CMD_ADD_TX_TS
,
10950 .doit
= nl80211_add_tx_ts
,
10951 .policy
= nl80211_policy
,
10952 .flags
= GENL_ADMIN_PERM
,
10953 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10954 NL80211_FLAG_NEED_RTNL
,
10957 .cmd
= NL80211_CMD_DEL_TX_TS
,
10958 .doit
= nl80211_del_tx_ts
,
10959 .policy
= nl80211_policy
,
10960 .flags
= GENL_ADMIN_PERM
,
10961 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10962 NL80211_FLAG_NEED_RTNL
,
10965 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
10966 .doit
= nl80211_tdls_channel_switch
,
10967 .policy
= nl80211_policy
,
10968 .flags
= GENL_ADMIN_PERM
,
10969 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10970 NL80211_FLAG_NEED_RTNL
,
10973 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
10974 .doit
= nl80211_tdls_cancel_channel_switch
,
10975 .policy
= nl80211_policy
,
10976 .flags
= GENL_ADMIN_PERM
,
10977 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10978 NL80211_FLAG_NEED_RTNL
,
10982 /* notification functions */
10984 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10985 enum nl80211_commands cmd
)
10987 struct sk_buff
*msg
;
10988 struct nl80211_dump_wiphy_state state
= {};
10990 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10991 cmd
!= NL80211_CMD_DEL_WIPHY
);
10993 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10997 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
11002 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11003 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
11006 static int nl80211_add_scan_req(struct sk_buff
*msg
,
11007 struct cfg80211_registered_device
*rdev
)
11009 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
11010 struct nlattr
*nest
;
11016 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
11018 goto nla_put_failure
;
11019 for (i
= 0; i
< req
->n_ssids
; i
++) {
11020 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
11021 goto nla_put_failure
;
11023 nla_nest_end(msg
, nest
);
11025 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
11027 goto nla_put_failure
;
11028 for (i
= 0; i
< req
->n_channels
; i
++) {
11029 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
11030 goto nla_put_failure
;
11032 nla_nest_end(msg
, nest
);
11035 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
11036 goto nla_put_failure
;
11039 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
11040 goto nla_put_failure
;
11047 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
11048 struct cfg80211_registered_device
*rdev
,
11049 struct wireless_dev
*wdev
,
11050 u32 portid
, u32 seq
, int flags
,
11055 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11059 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11060 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11061 wdev
->netdev
->ifindex
)) ||
11062 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11063 goto nla_put_failure
;
11065 /* ignore errors and send incomplete event anyway */
11066 nl80211_add_scan_req(msg
, rdev
);
11068 genlmsg_end(msg
, hdr
);
11072 genlmsg_cancel(msg
, hdr
);
11077 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
11078 struct cfg80211_registered_device
*rdev
,
11079 struct net_device
*netdev
,
11080 u32 portid
, u32 seq
, int flags
, u32 cmd
)
11084 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11088 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11089 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11090 goto nla_put_failure
;
11092 genlmsg_end(msg
, hdr
);
11096 genlmsg_cancel(msg
, hdr
);
11100 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
11101 struct wireless_dev
*wdev
)
11103 struct sk_buff
*msg
;
11105 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11109 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11110 NL80211_CMD_TRIGGER_SCAN
) < 0) {
11115 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11116 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11119 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
11120 struct wireless_dev
*wdev
, bool aborted
)
11122 struct sk_buff
*msg
;
11124 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11128 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11129 aborted
? NL80211_CMD_SCAN_ABORTED
:
11130 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
11138 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
11139 struct sk_buff
*msg
)
11144 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11145 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11148 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
11149 struct net_device
*netdev
)
11151 struct sk_buff
*msg
;
11153 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11157 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
11158 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
11163 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11164 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11167 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
11168 struct net_device
*netdev
, u32 cmd
)
11170 struct sk_buff
*msg
;
11172 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11176 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
11181 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11182 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11185 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
11186 struct regulatory_request
*request
)
11188 /* Userspace can always count this one always being set */
11189 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
11190 goto nla_put_failure
;
11192 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
11193 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11194 NL80211_REGDOM_TYPE_WORLD
))
11195 goto nla_put_failure
;
11196 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
11197 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11198 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
11199 goto nla_put_failure
;
11200 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
11201 request
->intersect
) {
11202 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11203 NL80211_REGDOM_TYPE_INTERSECTION
))
11204 goto nla_put_failure
;
11206 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11207 NL80211_REGDOM_TYPE_COUNTRY
) ||
11208 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
11210 goto nla_put_failure
;
11213 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
11214 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
11217 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
11218 goto nla_put_failure
;
11221 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
11222 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
11223 goto nla_put_failure
;
11233 * This can happen on global regulatory changes or device specific settings
11234 * based on custom regulatory domains.
11236 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
11237 struct regulatory_request
*request
)
11239 struct sk_buff
*msg
;
11242 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11246 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
11252 if (nl80211_reg_change_event_fill(msg
, request
) == false)
11253 goto nla_put_failure
;
11255 genlmsg_end(msg
, hdr
);
11258 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11259 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11265 genlmsg_cancel(msg
, hdr
);
11269 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11270 struct net_device
*netdev
,
11271 const u8
*buf
, size_t len
,
11272 enum nl80211_commands cmd
, gfp_t gfp
,
11275 struct sk_buff
*msg
;
11278 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11282 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11288 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11289 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11290 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11291 goto nla_put_failure
;
11293 if (uapsd_queues
>= 0) {
11294 struct nlattr
*nla_wmm
=
11295 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11297 goto nla_put_failure
;
11299 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11301 goto nla_put_failure
;
11303 nla_nest_end(msg
, nla_wmm
);
11306 genlmsg_end(msg
, hdr
);
11308 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11309 NL80211_MCGRP_MLME
, gfp
);
11313 genlmsg_cancel(msg
, hdr
);
11317 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11318 struct net_device
*netdev
, const u8
*buf
,
11319 size_t len
, gfp_t gfp
)
11321 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11322 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11325 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11326 struct net_device
*netdev
, const u8
*buf
,
11327 size_t len
, gfp_t gfp
, int uapsd_queues
)
11329 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11330 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11333 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11334 struct net_device
*netdev
, const u8
*buf
,
11335 size_t len
, gfp_t gfp
)
11337 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11338 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11341 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11342 struct net_device
*netdev
, const u8
*buf
,
11343 size_t len
, gfp_t gfp
)
11345 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11346 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11349 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11352 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11353 struct wiphy
*wiphy
= wdev
->wiphy
;
11354 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11355 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11358 if (WARN_ON(len
< 2))
11361 if (ieee80211_is_deauth(mgmt
->frame_control
))
11362 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11364 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11366 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11367 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11369 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11371 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11372 struct net_device
*netdev
, int cmd
,
11373 const u8
*addr
, gfp_t gfp
)
11375 struct sk_buff
*msg
;
11378 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11382 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11388 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11389 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11390 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11391 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11392 goto nla_put_failure
;
11394 genlmsg_end(msg
, hdr
);
11396 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11397 NL80211_MCGRP_MLME
, gfp
);
11401 genlmsg_cancel(msg
, hdr
);
11405 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11406 struct net_device
*netdev
, const u8
*addr
,
11409 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11413 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11414 struct net_device
*netdev
, const u8
*addr
,
11417 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11421 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11422 struct net_device
*netdev
, const u8
*bssid
,
11423 const u8
*req_ie
, size_t req_ie_len
,
11424 const u8
*resp_ie
, size_t resp_ie_len
,
11425 u16 status
, gfp_t gfp
)
11427 struct sk_buff
*msg
;
11430 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11434 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11440 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11441 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11442 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11443 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11445 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11447 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11448 goto nla_put_failure
;
11450 genlmsg_end(msg
, hdr
);
11452 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11453 NL80211_MCGRP_MLME
, gfp
);
11457 genlmsg_cancel(msg
, hdr
);
11462 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11463 struct net_device
*netdev
, const u8
*bssid
,
11464 const u8
*req_ie
, size_t req_ie_len
,
11465 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11467 struct sk_buff
*msg
;
11470 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11474 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11480 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11481 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11482 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11484 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11486 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11487 goto nla_put_failure
;
11489 genlmsg_end(msg
, hdr
);
11491 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11492 NL80211_MCGRP_MLME
, gfp
);
11496 genlmsg_cancel(msg
, hdr
);
11501 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11502 struct net_device
*netdev
, u16 reason
,
11503 const u8
*ie
, size_t ie_len
, bool from_ap
)
11505 struct sk_buff
*msg
;
11508 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11512 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11518 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11519 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11520 (from_ap
&& reason
&&
11521 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
11523 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
11524 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11525 goto nla_put_failure
;
11527 genlmsg_end(msg
, hdr
);
11529 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11530 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11534 genlmsg_cancel(msg
, hdr
);
11539 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
11540 struct net_device
*netdev
, const u8
*bssid
,
11543 struct sk_buff
*msg
;
11546 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11550 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
11556 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11557 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11558 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11559 goto nla_put_failure
;
11561 genlmsg_end(msg
, hdr
);
11563 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11564 NL80211_MCGRP_MLME
, gfp
);
11568 genlmsg_cancel(msg
, hdr
);
11572 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
11573 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
11575 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11576 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11577 struct sk_buff
*msg
;
11580 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11583 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
11585 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11589 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11595 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11596 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11597 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11599 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11600 goto nla_put_failure
;
11602 genlmsg_end(msg
, hdr
);
11604 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11605 NL80211_MCGRP_MLME
, gfp
);
11609 genlmsg_cancel(msg
, hdr
);
11612 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11614 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11615 struct net_device
*netdev
, const u8
*addr
,
11616 enum nl80211_key_type key_type
, int key_id
,
11617 const u8
*tsc
, gfp_t gfp
)
11619 struct sk_buff
*msg
;
11622 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11626 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11632 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11633 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11634 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11635 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11637 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11638 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11639 goto nla_put_failure
;
11641 genlmsg_end(msg
, hdr
);
11643 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11644 NL80211_MCGRP_MLME
, gfp
);
11648 genlmsg_cancel(msg
, hdr
);
11652 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11653 struct ieee80211_channel
*channel_before
,
11654 struct ieee80211_channel
*channel_after
)
11656 struct sk_buff
*msg
;
11658 struct nlattr
*nl_freq
;
11660 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11664 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11671 * Since we are applying the beacon hint to a wiphy we know its
11672 * wiphy_idx is valid
11674 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11675 goto nla_put_failure
;
11678 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11680 goto nla_put_failure
;
11681 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11682 goto nla_put_failure
;
11683 nla_nest_end(msg
, nl_freq
);
11686 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11688 goto nla_put_failure
;
11689 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11690 goto nla_put_failure
;
11691 nla_nest_end(msg
, nl_freq
);
11693 genlmsg_end(msg
, hdr
);
11696 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11697 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11703 genlmsg_cancel(msg
, hdr
);
11707 static void nl80211_send_remain_on_chan_event(
11708 int cmd
, struct cfg80211_registered_device
*rdev
,
11709 struct wireless_dev
*wdev
, u64 cookie
,
11710 struct ieee80211_channel
*chan
,
11711 unsigned int duration
, gfp_t gfp
)
11713 struct sk_buff
*msg
;
11716 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11720 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11726 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11727 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11728 wdev
->netdev
->ifindex
)) ||
11729 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11730 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11731 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11732 NL80211_CHAN_NO_HT
) ||
11733 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11734 goto nla_put_failure
;
11736 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11737 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11738 goto nla_put_failure
;
11740 genlmsg_end(msg
, hdr
);
11742 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11743 NL80211_MCGRP_MLME
, gfp
);
11747 genlmsg_cancel(msg
, hdr
);
11751 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11752 struct ieee80211_channel
*chan
,
11753 unsigned int duration
, gfp_t gfp
)
11755 struct wiphy
*wiphy
= wdev
->wiphy
;
11756 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11758 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11759 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11760 rdev
, wdev
, cookie
, chan
,
11763 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11765 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11766 struct ieee80211_channel
*chan
,
11769 struct wiphy
*wiphy
= wdev
->wiphy
;
11770 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11772 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11773 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11774 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11776 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11778 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11779 struct station_info
*sinfo
, gfp_t gfp
)
11781 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11782 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11783 struct sk_buff
*msg
;
11785 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11787 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11791 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
11792 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11797 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11798 NL80211_MCGRP_MLME
, gfp
);
11800 EXPORT_SYMBOL(cfg80211_new_sta
);
11802 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
11803 struct station_info
*sinfo
, gfp_t gfp
)
11805 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11806 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11807 struct sk_buff
*msg
;
11808 struct station_info empty_sinfo
= {};
11811 sinfo
= &empty_sinfo
;
11813 trace_cfg80211_del_sta(dev
, mac_addr
);
11815 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11819 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
11820 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11825 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11826 NL80211_MCGRP_MLME
, gfp
);
11828 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
11830 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11831 enum nl80211_connect_failed_reason reason
,
11834 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11835 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11836 struct sk_buff
*msg
;
11839 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11843 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11849 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11850 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11851 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11852 goto nla_put_failure
;
11854 genlmsg_end(msg
, hdr
);
11856 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11857 NL80211_MCGRP_MLME
, gfp
);
11861 genlmsg_cancel(msg
, hdr
);
11864 EXPORT_SYMBOL(cfg80211_conn_failed
);
11866 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11867 const u8
*addr
, gfp_t gfp
)
11869 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11870 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11871 struct sk_buff
*msg
;
11873 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11878 msg
= nlmsg_new(100, gfp
);
11882 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11888 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11889 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11890 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11891 goto nla_put_failure
;
11893 genlmsg_end(msg
, hdr
);
11894 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11898 genlmsg_cancel(msg
, hdr
);
11903 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11904 const u8
*addr
, gfp_t gfp
)
11906 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11909 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11911 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11912 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11913 trace_cfg80211_return_bool(false);
11916 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11918 trace_cfg80211_return_bool(ret
);
11921 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11923 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11924 const u8
*addr
, gfp_t gfp
)
11926 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11929 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11931 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11932 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11933 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11934 trace_cfg80211_return_bool(false);
11937 ret
= __nl80211_unexpected_frame(dev
,
11938 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11940 trace_cfg80211_return_bool(ret
);
11943 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11945 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11946 struct wireless_dev
*wdev
, u32 nlportid
,
11947 int freq
, int sig_dbm
,
11948 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11950 struct net_device
*netdev
= wdev
->netdev
;
11951 struct sk_buff
*msg
;
11954 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11958 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11964 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11965 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11966 netdev
->ifindex
)) ||
11967 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11968 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11970 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11971 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11973 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11974 goto nla_put_failure
;
11976 genlmsg_end(msg
, hdr
);
11978 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11981 genlmsg_cancel(msg
, hdr
);
11986 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11987 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11989 struct wiphy
*wiphy
= wdev
->wiphy
;
11990 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11991 struct net_device
*netdev
= wdev
->netdev
;
11992 struct sk_buff
*msg
;
11995 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11997 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12001 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
12007 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12008 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12009 netdev
->ifindex
)) ||
12010 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
12011 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12012 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12013 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12014 goto nla_put_failure
;
12016 genlmsg_end(msg
, hdr
);
12018 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12019 NL80211_MCGRP_MLME
, gfp
);
12023 genlmsg_cancel(msg
, hdr
);
12026 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
12028 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
12029 const char *mac
, gfp_t gfp
)
12031 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12032 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12033 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12039 cb
= (void **)msg
->cb
;
12041 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
12047 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12048 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
12049 goto nla_put_failure
;
12051 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
12052 goto nla_put_failure
;
12054 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
12056 goto nla_put_failure
;
12066 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
12068 void **cb
= (void **)msg
->cb
;
12069 struct cfg80211_registered_device
*rdev
= cb
[2];
12071 nla_nest_end(msg
, cb
[1]);
12072 genlmsg_end(msg
, cb
[0]);
12074 memset(msg
->cb
, 0, sizeof(msg
->cb
));
12076 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12077 NL80211_MCGRP_MLME
, gfp
);
12080 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
12081 enum nl80211_cqm_rssi_threshold_event rssi_event
,
12084 struct sk_buff
*msg
;
12086 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
12088 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
12089 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
12092 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12096 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
12098 goto nla_put_failure
;
12100 cfg80211_send_cqm(msg
, gfp
);
12107 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
12109 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
12110 const u8
*peer
, u32 num_packets
,
12111 u32 rate
, u32 intvl
, gfp_t gfp
)
12113 struct sk_buff
*msg
;
12115 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12119 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12120 goto nla_put_failure
;
12122 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12123 goto nla_put_failure
;
12125 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12126 goto nla_put_failure
;
12128 cfg80211_send_cqm(msg
, gfp
);
12134 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12136 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12137 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12139 struct sk_buff
*msg
;
12141 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12143 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12147 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12148 goto nla_put_failure
;
12150 cfg80211_send_cqm(msg
, gfp
);
12156 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12158 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
12160 struct sk_buff
*msg
;
12162 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12166 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
12167 goto nla_put_failure
;
12169 cfg80211_send_cqm(msg
, gfp
);
12175 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
12177 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
12178 struct net_device
*netdev
, const u8
*bssid
,
12179 const u8
*replay_ctr
, gfp_t gfp
)
12181 struct sk_buff
*msg
;
12182 struct nlattr
*rekey_attr
;
12185 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12189 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
12195 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12196 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12197 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12198 goto nla_put_failure
;
12200 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
12202 goto nla_put_failure
;
12204 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
12205 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
12206 goto nla_put_failure
;
12208 nla_nest_end(msg
, rekey_attr
);
12210 genlmsg_end(msg
, hdr
);
12212 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12213 NL80211_MCGRP_MLME
, gfp
);
12217 genlmsg_cancel(msg
, hdr
);
12221 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
12222 const u8
*replay_ctr
, gfp_t gfp
)
12224 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12225 struct wiphy
*wiphy
= wdev
->wiphy
;
12226 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12228 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
12229 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
12231 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
12234 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
12235 struct net_device
*netdev
, int index
,
12236 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12238 struct sk_buff
*msg
;
12239 struct nlattr
*attr
;
12242 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12246 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
12252 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12253 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12254 goto nla_put_failure
;
12256 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
12258 goto nla_put_failure
;
12260 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12261 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12263 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12264 goto nla_put_failure
;
12266 nla_nest_end(msg
, attr
);
12268 genlmsg_end(msg
, hdr
);
12270 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12271 NL80211_MCGRP_MLME
, gfp
);
12275 genlmsg_cancel(msg
, hdr
);
12279 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12280 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12282 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12283 struct wiphy
*wiphy
= wdev
->wiphy
;
12284 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12286 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12287 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12289 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12291 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12292 struct net_device
*netdev
,
12293 struct cfg80211_chan_def
*chandef
,
12295 enum nl80211_commands notif
,
12298 struct sk_buff
*msg
;
12301 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12305 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12311 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12312 goto nla_put_failure
;
12314 if (nl80211_send_chandef(msg
, chandef
))
12315 goto nla_put_failure
;
12317 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12318 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12319 goto nla_put_failure
;
12321 genlmsg_end(msg
, hdr
);
12323 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12324 NL80211_MCGRP_MLME
, gfp
);
12328 genlmsg_cancel(msg
, hdr
);
12332 void cfg80211_ch_switch_notify(struct net_device
*dev
,
12333 struct cfg80211_chan_def
*chandef
)
12335 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12336 struct wiphy
*wiphy
= wdev
->wiphy
;
12337 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12339 ASSERT_WDEV_LOCK(wdev
);
12341 trace_cfg80211_ch_switch_notify(dev
, chandef
);
12343 wdev
->chandef
= *chandef
;
12344 wdev
->preset_chandef
= *chandef
;
12345 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12346 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
12348 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
12350 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
12351 struct cfg80211_chan_def
*chandef
,
12354 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12355 struct wiphy
*wiphy
= wdev
->wiphy
;
12356 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12358 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
12360 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12361 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
12363 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
12366 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12367 const struct cfg80211_chan_def
*chandef
,
12368 enum nl80211_radar_event event
,
12369 struct net_device
*netdev
, gfp_t gfp
)
12371 struct sk_buff
*msg
;
12374 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12378 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12384 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12385 goto nla_put_failure
;
12387 /* NOP and radar events don't need a netdev parameter */
12389 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12391 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12392 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12393 goto nla_put_failure
;
12396 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12397 goto nla_put_failure
;
12399 if (nl80211_send_chandef(msg
, chandef
))
12400 goto nla_put_failure
;
12402 genlmsg_end(msg
, hdr
);
12404 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12405 NL80211_MCGRP_MLME
, gfp
);
12409 genlmsg_cancel(msg
, hdr
);
12413 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12414 u64 cookie
, bool acked
, gfp_t gfp
)
12416 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12417 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12418 struct sk_buff
*msg
;
12421 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12423 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12428 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12434 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12435 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12436 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12437 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12438 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12439 goto nla_put_failure
;
12441 genlmsg_end(msg
, hdr
);
12443 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12444 NL80211_MCGRP_MLME
, gfp
);
12448 genlmsg_cancel(msg
, hdr
);
12451 EXPORT_SYMBOL(cfg80211_probe_status
);
12453 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12454 const u8
*frame
, size_t len
,
12455 int freq
, int sig_dbm
)
12457 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12458 struct sk_buff
*msg
;
12460 struct cfg80211_beacon_registration
*reg
;
12462 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12464 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12465 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12466 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12468 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12472 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12474 goto nla_put_failure
;
12476 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12478 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12480 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12481 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12482 goto nla_put_failure
;
12484 genlmsg_end(msg
, hdr
);
12486 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12488 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12492 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12494 genlmsg_cancel(msg
, hdr
);
12497 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12500 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12501 struct cfg80211_wowlan_wakeup
*wakeup
)
12503 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12504 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12507 nl_results
= nla_nest_start(
12508 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12512 for (i
= 0; i
< nd
->n_matches
; i
++) {
12513 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12515 nl_match
= nla_nest_start(msg
, i
);
12519 /* The SSID attribute is optional in nl80211, but for
12520 * simplicity reasons it's always present in the
12521 * cfg80211 structure. If a driver can't pass the
12522 * SSID, that needs to be changed. A zero length SSID
12523 * is still a valid SSID (wildcard), so it cannot be
12524 * used for this purpose.
12526 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
12527 match
->ssid
.ssid
)) {
12528 nla_nest_cancel(msg
, nl_match
);
12532 if (match
->n_channels
) {
12533 nl_freqs
= nla_nest_start(
12534 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12536 nla_nest_cancel(msg
, nl_match
);
12540 for (j
= 0; j
< match
->n_channels
; j
++) {
12541 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
12542 nla_nest_cancel(msg
, nl_freqs
);
12543 nla_nest_cancel(msg
, nl_match
);
12548 nla_nest_end(msg
, nl_freqs
);
12551 nla_nest_end(msg
, nl_match
);
12555 nla_nest_end(msg
, nl_results
);
12559 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
12560 struct cfg80211_wowlan_wakeup
*wakeup
,
12563 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12564 struct sk_buff
*msg
;
12568 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
12571 size
+= wakeup
->packet_present_len
;
12573 msg
= nlmsg_new(size
, gfp
);
12577 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
12581 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12582 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12585 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12586 wdev
->netdev
->ifindex
))
12590 struct nlattr
*reasons
;
12592 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
12596 if (wakeup
->disconnect
&&
12597 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
12599 if (wakeup
->magic_pkt
&&
12600 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
12602 if (wakeup
->gtk_rekey_failure
&&
12603 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
12605 if (wakeup
->eap_identity_req
&&
12606 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
12608 if (wakeup
->four_way_handshake
&&
12609 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
12611 if (wakeup
->rfkill_release
&&
12612 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
12615 if (wakeup
->pattern_idx
>= 0 &&
12616 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
12617 wakeup
->pattern_idx
))
12620 if (wakeup
->tcp_match
&&
12621 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
12624 if (wakeup
->tcp_connlost
&&
12625 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
12628 if (wakeup
->tcp_nomoretokens
&&
12630 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
12633 if (wakeup
->packet
) {
12634 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
12635 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
12637 if (!wakeup
->packet_80211
) {
12639 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
12641 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
12644 if (wakeup
->packet_len
&&
12645 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
12648 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
12653 if (wakeup
->net_detect
&&
12654 cfg80211_net_detect_results(msg
, wakeup
))
12657 nla_nest_end(msg
, reasons
);
12660 genlmsg_end(msg
, hdr
);
12662 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12663 NL80211_MCGRP_MLME
, gfp
);
12669 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12672 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12673 enum nl80211_tdls_operation oper
,
12674 u16 reason_code
, gfp_t gfp
)
12676 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12677 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12678 struct sk_buff
*msg
;
12681 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12684 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12688 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12694 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12695 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12696 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12697 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12698 (reason_code
> 0 &&
12699 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12700 goto nla_put_failure
;
12702 genlmsg_end(msg
, hdr
);
12704 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12705 NL80211_MCGRP_MLME
, gfp
);
12709 genlmsg_cancel(msg
, hdr
);
12712 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12714 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12715 unsigned long state
,
12718 struct netlink_notify
*notify
= _notify
;
12719 struct cfg80211_registered_device
*rdev
;
12720 struct wireless_dev
*wdev
;
12721 struct cfg80211_beacon_registration
*reg
, *tmp
;
12723 if (state
!= NETLINK_URELEASE
)
12724 return NOTIFY_DONE
;
12728 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12729 bool schedule_destroy_work
= false;
12730 bool schedule_scan_stop
= false;
12731 struct cfg80211_sched_scan_request
*sched_scan_req
=
12732 rcu_dereference(rdev
->sched_scan_req
);
12734 if (sched_scan_req
&& notify
->portid
&&
12735 sched_scan_req
->owner_nlportid
== notify
->portid
)
12736 schedule_scan_stop
= true;
12738 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12739 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12741 if (wdev
->owner_nlportid
== notify
->portid
)
12742 schedule_destroy_work
= true;
12745 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12746 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12748 if (reg
->nlportid
== notify
->portid
) {
12749 list_del(®
->list
);
12754 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12756 if (schedule_destroy_work
) {
12757 struct cfg80211_iface_destroy
*destroy
;
12759 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12761 destroy
->nlportid
= notify
->portid
;
12762 spin_lock(&rdev
->destroy_list_lock
);
12763 list_add(&destroy
->list
, &rdev
->destroy_list
);
12764 spin_unlock(&rdev
->destroy_list_lock
);
12765 schedule_work(&rdev
->destroy_work
);
12767 } else if (schedule_scan_stop
) {
12768 sched_scan_req
->owner_nlportid
= 0;
12770 if (rdev
->ops
->sched_scan_stop
&&
12771 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
12772 schedule_work(&rdev
->sched_scan_stop_wk
);
12781 static struct notifier_block nl80211_netlink_notifier
= {
12782 .notifier_call
= nl80211_netlink_notify
,
12785 void cfg80211_ft_event(struct net_device
*netdev
,
12786 struct cfg80211_ft_event_params
*ft_event
)
12788 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12789 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12790 struct sk_buff
*msg
;
12793 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12795 if (!ft_event
->target_ap
)
12798 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12802 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12806 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12807 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12808 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12811 if (ft_event
->ies
&&
12812 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12814 if (ft_event
->ric_ies
&&
12815 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12816 ft_event
->ric_ies
))
12819 genlmsg_end(msg
, hdr
);
12821 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12822 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12827 EXPORT_SYMBOL(cfg80211_ft_event
);
12829 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12831 struct cfg80211_registered_device
*rdev
;
12832 struct sk_buff
*msg
;
12836 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12837 if (!rdev
->crit_proto_nlportid
)
12840 nlportid
= rdev
->crit_proto_nlportid
;
12841 rdev
->crit_proto_nlportid
= 0;
12843 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12847 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12849 goto nla_put_failure
;
12851 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12852 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12853 goto nla_put_failure
;
12855 genlmsg_end(msg
, hdr
);
12857 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12862 genlmsg_cancel(msg
, hdr
);
12866 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12868 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12870 struct wiphy
*wiphy
= wdev
->wiphy
;
12871 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12872 struct sk_buff
*msg
;
12875 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12879 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12883 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12884 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12885 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12888 genlmsg_end(msg
, hdr
);
12890 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12891 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12897 /* initialisation/exit functions */
12899 int nl80211_init(void)
12903 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12908 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12914 genl_unregister_family(&nl80211_fam
);
12918 void nl80211_exit(void)
12920 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12921 genl_unregister_family(&nl80211_fam
);