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
6 * Copyright 2015-2016 Intel Deutschland GmbH
10 #include <linux/module.h>
11 #include <linux/err.h>
12 #include <linux/slab.h>
13 #include <linux/list.h>
14 #include <linux/if_ether.h>
15 #include <linux/ieee80211.h>
16 #include <linux/nl80211.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/netlink.h>
19 #include <linux/etherdevice.h>
20 #include <net/net_namespace.h>
21 #include <net/genetlink.h>
22 #include <net/cfg80211.h>
24 #include <net/inet_connection_sock.h>
30 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
31 struct genl_info
*info
,
32 struct cfg80211_crypto_settings
*settings
,
35 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
36 struct genl_info
*info
);
37 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
38 struct genl_info
*info
);
40 /* the netlink family */
41 static struct genl_family nl80211_fam
= {
42 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
43 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
44 .hdrsize
= 0, /* no private header */
45 .version
= 1, /* no particular meaning now */
46 .maxattr
= NL80211_ATTR_MAX
,
48 .pre_doit
= nl80211_pre_doit
,
49 .post_doit
= nl80211_post_doit
,
52 /* multicast groups */
53 enum nl80211_multicast_groups
{
56 NL80211_MCGRP_REGULATORY
,
59 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
62 static const struct genl_multicast_group nl80211_mcgrps
[] = {
63 [NL80211_MCGRP_CONFIG
] = { .name
= NL80211_MULTICAST_GROUP_CONFIG
},
64 [NL80211_MCGRP_SCAN
] = { .name
= NL80211_MULTICAST_GROUP_SCAN
},
65 [NL80211_MCGRP_REGULATORY
] = { .name
= NL80211_MULTICAST_GROUP_REG
},
66 [NL80211_MCGRP_MLME
] = { .name
= NL80211_MULTICAST_GROUP_MLME
},
67 [NL80211_MCGRP_VENDOR
] = { .name
= NL80211_MULTICAST_GROUP_VENDOR
},
68 #ifdef CONFIG_NL80211_TESTMODE
69 [NL80211_MCGRP_TESTMODE
] = { .name
= NL80211_MULTICAST_GROUP_TESTMODE
}
73 /* returns ERR_PTR values */
74 static struct wireless_dev
*
75 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
77 struct cfg80211_registered_device
*rdev
;
78 struct wireless_dev
*result
= NULL
;
79 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
80 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
87 if (!have_ifidx
&& !have_wdev_id
)
88 return ERR_PTR(-EINVAL
);
91 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
93 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
94 wiphy_idx
= wdev_id
>> 32;
97 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
98 struct wireless_dev
*wdev
;
100 if (wiphy_net(&rdev
->wiphy
) != netns
)
103 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
106 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
107 if (have_ifidx
&& wdev
->netdev
&&
108 wdev
->netdev
->ifindex
== ifidx
) {
112 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
124 return ERR_PTR(-ENODEV
);
127 static struct cfg80211_registered_device
*
128 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
130 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
131 struct net_device
*netdev
;
135 if (!attrs
[NL80211_ATTR_WIPHY
] &&
136 !attrs
[NL80211_ATTR_IFINDEX
] &&
137 !attrs
[NL80211_ATTR_WDEV
])
138 return ERR_PTR(-EINVAL
);
140 if (attrs
[NL80211_ATTR_WIPHY
])
141 rdev
= cfg80211_rdev_by_wiphy_idx(
142 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
144 if (attrs
[NL80211_ATTR_WDEV
]) {
145 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
146 struct wireless_dev
*wdev
;
149 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
151 /* make sure wdev exists */
152 list_for_each_entry(wdev
, &tmp
->wiphy
.wdev_list
, list
) {
153 if (wdev
->identifier
!= (u32
)wdev_id
)
162 if (rdev
&& tmp
!= rdev
)
163 return ERR_PTR(-EINVAL
);
168 if (attrs
[NL80211_ATTR_IFINDEX
]) {
169 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
171 netdev
= __dev_get_by_index(netns
, ifindex
);
173 if (netdev
->ieee80211_ptr
)
175 netdev
->ieee80211_ptr
->wiphy
);
179 /* not wireless device -- return error */
181 return ERR_PTR(-EINVAL
);
183 /* mismatch -- return error */
184 if (rdev
&& tmp
!= rdev
)
185 return ERR_PTR(-EINVAL
);
192 return ERR_PTR(-ENODEV
);
194 if (netns
!= wiphy_net(&rdev
->wiphy
))
195 return ERR_PTR(-ENODEV
);
201 * This function returns a pointer to the driver
202 * that the genl_info item that is passed refers to.
204 * The result of this can be a PTR_ERR and hence must
205 * be checked with IS_ERR() for errors.
207 static struct cfg80211_registered_device
*
208 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
210 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
213 /* policy for the attributes */
214 static const struct nla_policy nl80211_policy
[NUM_NL80211_ATTR
] = {
215 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
216 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
218 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
220 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
224 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
226 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
227 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
228 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
229 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
230 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
231 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
233 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
234 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
235 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
237 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
238 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
240 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
241 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
242 .len
= WLAN_MAX_KEY_LEN
},
243 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
244 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
245 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
246 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
247 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
249 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
250 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
251 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
252 .len
= IEEE80211_MAX_DATA_LEN
},
253 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
254 .len
= IEEE80211_MAX_DATA_LEN
},
255 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
256 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
257 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
258 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
259 .len
= NL80211_MAX_SUPP_RATES
},
260 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
261 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
262 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
263 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
264 .len
= IEEE80211_MAX_MESH_ID_LEN
},
265 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
267 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
268 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
270 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
271 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
272 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
273 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
274 .len
= NL80211_MAX_SUPP_RATES
},
275 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
277 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
278 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
280 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
282 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
283 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
284 .len
= IEEE80211_MAX_DATA_LEN
},
285 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
286 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
288 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
289 .len
= IEEE80211_MAX_SSID_LEN
},
290 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
291 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
292 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
293 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
294 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
295 [NL80211_ATTR_STA_FLAGS2
] = {
296 .len
= sizeof(struct nl80211_sta_flag_update
),
298 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
299 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
300 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
301 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
302 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
303 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
304 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
305 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
306 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
307 .len
= WLAN_PMKID_LEN
},
308 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
309 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
310 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
311 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
312 .len
= IEEE80211_MAX_DATA_LEN
},
313 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
314 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
315 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
316 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
317 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
318 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
319 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
321 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
322 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
323 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
324 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
325 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
326 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
327 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
328 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
329 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
330 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
331 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
332 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
333 .len
= IEEE80211_MAX_DATA_LEN
},
334 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
335 .len
= IEEE80211_MAX_DATA_LEN
},
336 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
337 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
338 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
339 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
340 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
341 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
342 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
343 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
344 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
345 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
346 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
347 .len
= IEEE80211_MAX_DATA_LEN
},
348 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
349 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
350 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
351 .len
= NL80211_HT_CAPABILITY_LEN
353 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
355 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
356 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
357 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
358 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
359 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
360 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
361 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
362 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
363 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
364 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
365 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
366 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
367 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
368 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
369 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
370 .len
= NL80211_VHT_CAPABILITY_LEN
,
372 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
373 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
374 .len
= IEEE80211_MAX_DATA_LEN
},
375 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
376 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
377 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
378 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
379 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
380 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
381 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
382 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
383 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
384 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
385 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
386 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
387 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
388 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
389 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
390 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
391 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
392 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
393 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
394 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
395 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
396 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
397 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
398 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
399 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
400 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
401 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG
] = { .type
= NLA_FLAG
},
402 [NL80211_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
403 [NL80211_ATTR_SCHED_SCAN_DELAY
] = { .type
= NLA_U32
},
404 [NL80211_ATTR_REG_INDOOR
] = { .type
= NLA_FLAG
},
405 [NL80211_ATTR_PBSS
] = { .type
= NLA_FLAG
},
406 [NL80211_ATTR_BSS_SELECT
] = { .type
= NLA_NESTED
},
407 [NL80211_ATTR_STA_SUPPORT_P2P_PS
] = { .type
= NLA_U8
},
408 [NL80211_ATTR_MU_MIMO_GROUP_DATA
] = {
409 .len
= VHT_MUMIMO_GROUPS_DATA_LEN
411 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
] = { .len
= ETH_ALEN
},
414 /* policy for the key attributes */
415 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
416 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
417 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
418 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
419 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
420 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
421 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
422 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
423 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
426 /* policy for the key default flags */
427 static const struct nla_policy
428 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
429 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
430 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
433 /* policy for WoWLAN attributes */
434 static const struct nla_policy
435 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
436 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
437 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
438 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
439 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
440 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
441 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
442 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
443 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
444 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
445 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
448 static const struct nla_policy
449 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
450 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
451 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
452 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
453 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
454 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
455 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
456 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
457 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
459 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
460 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
462 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
463 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
464 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
467 /* policy for coalesce rule attributes */
468 static const struct nla_policy
469 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
470 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
471 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
472 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
475 /* policy for GTK rekey offload attributes */
476 static const struct nla_policy
477 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
478 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
479 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
480 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
483 static const struct nla_policy
484 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
485 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
486 .len
= IEEE80211_MAX_SSID_LEN
},
487 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
490 static const struct nla_policy
491 nl80211_plan_policy
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1] = {
492 [NL80211_SCHED_SCAN_PLAN_INTERVAL
] = { .type
= NLA_U32
},
493 [NL80211_SCHED_SCAN_PLAN_ITERATIONS
] = { .type
= NLA_U32
},
496 static const struct nla_policy
497 nl80211_bss_select_policy
[NL80211_BSS_SELECT_ATTR_MAX
+ 1] = {
498 [NL80211_BSS_SELECT_ATTR_RSSI
] = { .type
= NLA_FLAG
},
499 [NL80211_BSS_SELECT_ATTR_BAND_PREF
] = { .type
= NLA_U32
},
500 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
] = {
501 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
505 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
506 struct netlink_callback
*cb
,
507 struct cfg80211_registered_device
**rdev
,
508 struct wireless_dev
**wdev
)
515 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
516 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
521 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
522 nl80211_fam
.attrbuf
);
524 err
= PTR_ERR(*wdev
);
527 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
528 /* 0 is the first index - add 1 to parse only once */
529 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
530 cb
->args
[1] = (*wdev
)->identifier
;
532 /* subtract the 1 again here */
533 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
534 struct wireless_dev
*tmp
;
540 *rdev
= wiphy_to_rdev(wiphy
);
543 list_for_each_entry(tmp
, &(*rdev
)->wiphy
.wdev_list
, list
) {
544 if (tmp
->identifier
== cb
->args
[1]) {
562 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
568 static bool is_valid_ie_attr(const struct nlattr
*attr
)
576 pos
= nla_data(attr
);
597 /* message building helper */
598 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
601 /* since there is no private header just add the generic one */
602 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
605 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
606 struct ieee80211_channel
*chan
,
609 /* Some channels must be completely excluded from the
610 * list to protect old user-space tools from breaking
612 if (!large
&& chan
->flags
&
613 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
616 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
618 goto nla_put_failure
;
620 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
621 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
622 goto nla_put_failure
;
623 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
624 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
625 goto nla_put_failure
;
626 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
627 goto nla_put_failure
;
629 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
630 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
631 goto nla_put_failure
;
635 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
637 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
639 goto nla_put_failure
;
640 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
642 goto nla_put_failure
;
644 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
646 goto nla_put_failure
;
651 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
652 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
653 goto nla_put_failure
;
654 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
655 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
656 goto nla_put_failure
;
657 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
658 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
659 goto nla_put_failure
;
660 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
661 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
662 goto nla_put_failure
;
663 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
664 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
665 goto nla_put_failure
;
666 if ((chan
->flags
& IEEE80211_CHAN_IR_CONCURRENT
) &&
667 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_IR_CONCURRENT
))
668 goto nla_put_failure
;
669 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
670 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
671 goto nla_put_failure
;
672 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
673 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
674 goto nla_put_failure
;
677 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
678 DBM_TO_MBM(chan
->max_power
)))
679 goto nla_put_failure
;
687 /* netlink command implementations */
694 bool def_uni
, def_multi
;
697 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
699 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
700 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
705 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
706 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
715 if (tb
[NL80211_KEY_IDX
])
716 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
718 if (tb
[NL80211_KEY_DATA
]) {
719 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
720 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
723 if (tb
[NL80211_KEY_SEQ
]) {
724 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
725 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
728 if (tb
[NL80211_KEY_CIPHER
])
729 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
731 if (tb
[NL80211_KEY_TYPE
]) {
732 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
733 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
737 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
738 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
740 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
741 tb
[NL80211_KEY_DEFAULT_TYPES
],
742 nl80211_key_default_policy
);
746 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
747 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
753 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
755 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
756 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
757 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
760 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
761 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
762 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
765 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
766 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
768 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
769 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
771 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
772 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
781 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
782 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
783 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
787 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
788 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
789 int err
= nla_parse_nested(
790 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
791 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
792 nl80211_key_default_policy
);
796 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
797 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
803 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
807 memset(k
, 0, sizeof(*k
));
811 if (info
->attrs
[NL80211_ATTR_KEY
])
812 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
814 err
= nl80211_parse_key_old(info
, k
);
819 if (k
->def
&& k
->defmgmt
)
823 if (k
->def_uni
|| !k
->def_multi
)
829 if (k
->idx
< 4 || k
->idx
> 5)
832 if (k
->idx
< 0 || k
->idx
> 3)
835 if (k
->idx
< 0 || k
->idx
> 5)
843 static struct cfg80211_cached_keys
*
844 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
845 struct nlattr
*keys
, bool *no_ht
)
847 struct key_parse parse
;
849 struct cfg80211_cached_keys
*result
;
850 int rem
, err
, def
= 0;
852 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
854 return ERR_PTR(-ENOMEM
);
857 result
->defmgmt
= -1;
859 nla_for_each_nested(key
, keys
, rem
) {
860 memset(&parse
, 0, sizeof(parse
));
863 err
= nl80211_parse_key_new(key
, &parse
);
869 if (parse
.idx
< 0 || parse
.idx
> 4)
875 result
->def
= parse
.idx
;
876 if (!parse
.def_uni
|| !parse
.def_multi
)
878 } else if (parse
.defmgmt
)
880 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
881 parse
.idx
, false, NULL
);
884 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
885 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
886 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
887 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
889 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
890 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
902 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
904 ASSERT_WDEV_LOCK(wdev
);
906 switch (wdev
->iftype
) {
907 case NL80211_IFTYPE_AP
:
908 case NL80211_IFTYPE_AP_VLAN
:
909 case NL80211_IFTYPE_P2P_GO
:
910 case NL80211_IFTYPE_MESH_POINT
:
912 case NL80211_IFTYPE_ADHOC
:
913 case NL80211_IFTYPE_STATION
:
914 case NL80211_IFTYPE_P2P_CLIENT
:
915 if (!wdev
->current_bss
)
918 case NL80211_IFTYPE_UNSPECIFIED
:
919 case NL80211_IFTYPE_OCB
:
920 case NL80211_IFTYPE_MONITOR
:
921 case NL80211_IFTYPE_P2P_DEVICE
:
922 case NL80211_IFTYPE_WDS
:
923 case NUM_NL80211_IFTYPES
:
930 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
933 struct ieee80211_channel
*chan
;
937 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
938 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
943 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
945 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
949 goto nla_put_failure
;
953 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
954 goto nla_put_failure
;
959 nla_nest_end(msg
, nl_modes
);
966 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
970 struct nlattr
*nl_combis
;
973 nl_combis
= nla_nest_start(msg
,
974 NL80211_ATTR_INTERFACE_COMBINATIONS
);
976 goto nla_put_failure
;
978 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
979 const struct ieee80211_iface_combination
*c
;
980 struct nlattr
*nl_combi
, *nl_limits
;
982 c
= &wiphy
->iface_combinations
[i
];
984 nl_combi
= nla_nest_start(msg
, i
+ 1);
986 goto nla_put_failure
;
988 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
990 goto nla_put_failure
;
992 for (j
= 0; j
< c
->n_limits
; j
++) {
993 struct nlattr
*nl_limit
;
995 nl_limit
= nla_nest_start(msg
, j
+ 1);
997 goto nla_put_failure
;
998 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
1000 goto nla_put_failure
;
1001 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
1002 c
->limits
[j
].types
))
1003 goto nla_put_failure
;
1004 nla_nest_end(msg
, nl_limit
);
1007 nla_nest_end(msg
, nl_limits
);
1009 if (c
->beacon_int_infra_match
&&
1010 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
1011 goto nla_put_failure
;
1012 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
1013 c
->num_different_channels
) ||
1014 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
1016 goto nla_put_failure
;
1018 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
1019 c
->radar_detect_widths
) ||
1020 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
1021 c
->radar_detect_regions
)))
1022 goto nla_put_failure
;
1024 nla_nest_end(msg
, nl_combi
);
1027 nla_nest_end(msg
, nl_combis
);
1035 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1036 struct sk_buff
*msg
)
1038 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1039 struct nlattr
*nl_tcp
;
1044 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1048 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1049 tcp
->data_payload_max
))
1052 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1053 tcp
->data_payload_max
))
1056 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1059 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1060 sizeof(*tcp
->tok
), tcp
->tok
))
1063 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1064 tcp
->data_interval_max
))
1067 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1068 tcp
->wake_payload_max
))
1071 nla_nest_end(msg
, nl_tcp
);
1075 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1076 struct cfg80211_registered_device
*rdev
,
1079 struct nlattr
*nl_wowlan
;
1081 if (!rdev
->wiphy
.wowlan
)
1084 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1088 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1089 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1090 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1091 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1092 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1093 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1094 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1095 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1096 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1097 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1098 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1099 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1100 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1101 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1102 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1103 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1106 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1107 struct nl80211_pattern_support pat
= {
1108 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1109 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1110 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1111 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1114 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1119 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1120 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1121 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1124 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1127 nla_nest_end(msg
, nl_wowlan
);
1133 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1134 struct cfg80211_registered_device
*rdev
)
1136 struct nl80211_coalesce_rule_support rule
;
1138 if (!rdev
->wiphy
.coalesce
)
1141 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1142 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1143 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1144 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1145 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1146 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1148 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1154 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1155 struct ieee80211_supported_band
*sband
)
1157 struct nlattr
*nl_rates
, *nl_rate
;
1158 struct ieee80211_rate
*rate
;
1162 if (sband
->ht_cap
.ht_supported
&&
1163 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1164 sizeof(sband
->ht_cap
.mcs
),
1165 &sband
->ht_cap
.mcs
) ||
1166 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1167 sband
->ht_cap
.cap
) ||
1168 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1169 sband
->ht_cap
.ampdu_factor
) ||
1170 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1171 sband
->ht_cap
.ampdu_density
)))
1175 if (sband
->vht_cap
.vht_supported
&&
1176 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1177 sizeof(sband
->vht_cap
.vht_mcs
),
1178 &sband
->vht_cap
.vht_mcs
) ||
1179 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1180 sband
->vht_cap
.cap
)))
1184 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1188 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1189 nl_rate
= nla_nest_start(msg
, i
);
1193 rate
= &sband
->bitrates
[i
];
1194 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1197 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1199 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1202 nla_nest_end(msg
, nl_rate
);
1205 nla_nest_end(msg
, nl_rates
);
1211 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1212 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1215 struct nlattr
*nl_ftypes
, *nl_ifs
;
1216 enum nl80211_iftype ift
;
1222 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1226 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1227 nl_ftypes
= nla_nest_start(msg
, ift
);
1231 stypes
= mgmt_stypes
[ift
].tx
;
1234 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1235 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1240 nla_nest_end(msg
, nl_ftypes
);
1243 nla_nest_end(msg
, nl_ifs
);
1245 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1249 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1250 nl_ftypes
= nla_nest_start(msg
, ift
);
1254 stypes
= mgmt_stypes
[ift
].rx
;
1257 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1258 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1263 nla_nest_end(msg
, nl_ftypes
);
1265 nla_nest_end(msg
, nl_ifs
);
1270 struct nl80211_dump_wiphy_state
{
1273 long split_start
, band_start
, chan_start
, capa_start
;
1277 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1278 enum nl80211_commands cmd
,
1279 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1280 int flags
, struct nl80211_dump_wiphy_state
*state
)
1283 struct nlattr
*nl_bands
, *nl_band
;
1284 struct nlattr
*nl_freqs
, *nl_freq
;
1285 struct nlattr
*nl_cmds
;
1286 enum nl80211_band band
;
1287 struct ieee80211_channel
*chan
;
1289 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1290 rdev
->wiphy
.mgmt_stypes
;
1293 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1297 if (WARN_ON(!state
))
1300 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1301 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1302 wiphy_name(&rdev
->wiphy
)) ||
1303 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1304 cfg80211_rdev_list_generation
))
1305 goto nla_put_failure
;
1307 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1310 switch (state
->split_start
) {
1312 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1313 rdev
->wiphy
.retry_short
) ||
1314 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1315 rdev
->wiphy
.retry_long
) ||
1316 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1317 rdev
->wiphy
.frag_threshold
) ||
1318 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1319 rdev
->wiphy
.rts_threshold
) ||
1320 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1321 rdev
->wiphy
.coverage_class
) ||
1322 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1323 rdev
->wiphy
.max_scan_ssids
) ||
1324 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1325 rdev
->wiphy
.max_sched_scan_ssids
) ||
1326 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1327 rdev
->wiphy
.max_scan_ie_len
) ||
1328 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1329 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1330 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1331 rdev
->wiphy
.max_match_sets
) ||
1332 nla_put_u32(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
,
1333 rdev
->wiphy
.max_sched_scan_plans
) ||
1334 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
,
1335 rdev
->wiphy
.max_sched_scan_plan_interval
) ||
1336 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
,
1337 rdev
->wiphy
.max_sched_scan_plan_iterations
))
1338 goto nla_put_failure
;
1340 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1341 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1342 goto nla_put_failure
;
1343 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1344 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1345 goto nla_put_failure
;
1346 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1347 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1348 goto nla_put_failure
;
1349 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1350 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1351 goto nla_put_failure
;
1352 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1353 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1354 goto nla_put_failure
;
1355 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1356 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1357 goto nla_put_failure
;
1358 state
->split_start
++;
1362 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1363 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1364 rdev
->wiphy
.cipher_suites
))
1365 goto nla_put_failure
;
1367 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1368 rdev
->wiphy
.max_num_pmkids
))
1369 goto nla_put_failure
;
1371 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1372 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1373 goto nla_put_failure
;
1375 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1376 rdev
->wiphy
.available_antennas_tx
) ||
1377 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1378 rdev
->wiphy
.available_antennas_rx
))
1379 goto nla_put_failure
;
1381 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1382 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1383 rdev
->wiphy
.probe_resp_offload
))
1384 goto nla_put_failure
;
1386 if ((rdev
->wiphy
.available_antennas_tx
||
1387 rdev
->wiphy
.available_antennas_rx
) &&
1388 rdev
->ops
->get_antenna
) {
1389 u32 tx_ant
= 0, rx_ant
= 0;
1392 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1394 if (nla_put_u32(msg
,
1395 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1398 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1400 goto nla_put_failure
;
1404 state
->split_start
++;
1408 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1409 rdev
->wiphy
.interface_modes
))
1410 goto nla_put_failure
;
1411 state
->split_start
++;
1415 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1417 goto nla_put_failure
;
1419 for (band
= state
->band_start
;
1420 band
< NUM_NL80211_BANDS
; band
++) {
1421 struct ieee80211_supported_band
*sband
;
1423 sband
= rdev
->wiphy
.bands
[band
];
1428 nl_band
= nla_nest_start(msg
, band
);
1430 goto nla_put_failure
;
1432 switch (state
->chan_start
) {
1434 if (nl80211_send_band_rateinfo(msg
, sband
))
1435 goto nla_put_failure
;
1436 state
->chan_start
++;
1440 /* add frequencies */
1441 nl_freqs
= nla_nest_start(
1442 msg
, NL80211_BAND_ATTR_FREQS
);
1444 goto nla_put_failure
;
1446 for (i
= state
->chan_start
- 1;
1447 i
< sband
->n_channels
;
1449 nl_freq
= nla_nest_start(msg
, i
);
1451 goto nla_put_failure
;
1453 chan
= &sband
->channels
[i
];
1455 if (nl80211_msg_put_channel(
1458 goto nla_put_failure
;
1460 nla_nest_end(msg
, nl_freq
);
1464 if (i
< sband
->n_channels
)
1465 state
->chan_start
= i
+ 2;
1467 state
->chan_start
= 0;
1468 nla_nest_end(msg
, nl_freqs
);
1471 nla_nest_end(msg
, nl_band
);
1474 /* start again here */
1475 if (state
->chan_start
)
1480 nla_nest_end(msg
, nl_bands
);
1482 if (band
< NUM_NL80211_BANDS
)
1483 state
->band_start
= band
+ 1;
1485 state
->band_start
= 0;
1487 /* if bands & channels are done, continue outside */
1488 if (state
->band_start
== 0 && state
->chan_start
== 0)
1489 state
->split_start
++;
1493 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1495 goto nla_put_failure
;
1498 #define CMD(op, n) \
1500 if (rdev->ops->op) { \
1502 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1503 goto nla_put_failure; \
1507 CMD(add_virtual_intf
, NEW_INTERFACE
);
1508 CMD(change_virtual_intf
, SET_INTERFACE
);
1509 CMD(add_key
, NEW_KEY
);
1510 CMD(start_ap
, START_AP
);
1511 CMD(add_station
, NEW_STATION
);
1512 CMD(add_mpath
, NEW_MPATH
);
1513 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1514 CMD(change_bss
, SET_BSS
);
1515 CMD(auth
, AUTHENTICATE
);
1516 CMD(assoc
, ASSOCIATE
);
1517 CMD(deauth
, DEAUTHENTICATE
);
1518 CMD(disassoc
, DISASSOCIATE
);
1519 CMD(join_ibss
, JOIN_IBSS
);
1520 CMD(join_mesh
, JOIN_MESH
);
1521 CMD(set_pmksa
, SET_PMKSA
);
1522 CMD(del_pmksa
, DEL_PMKSA
);
1523 CMD(flush_pmksa
, FLUSH_PMKSA
);
1524 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1525 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1526 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1527 CMD(mgmt_tx
, FRAME
);
1528 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1529 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1531 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1532 goto nla_put_failure
;
1534 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1535 rdev
->ops
->join_mesh
) {
1537 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1538 goto nla_put_failure
;
1540 CMD(set_wds_peer
, SET_WDS_PEER
);
1541 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1542 CMD(tdls_mgmt
, TDLS_MGMT
);
1543 CMD(tdls_oper
, TDLS_OPER
);
1545 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1546 CMD(sched_scan_start
, START_SCHED_SCAN
);
1547 CMD(probe_client
, PROBE_CLIENT
);
1548 CMD(set_noack_map
, SET_NOACK_MAP
);
1549 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1551 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1552 goto nla_put_failure
;
1554 CMD(start_p2p_device
, START_P2P_DEVICE
);
1555 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1556 #ifdef CONFIG_NL80211_TESTMODE
1557 CMD(testmode_cmd
, TESTMODE
);
1560 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1561 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1562 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1563 CMD(channel_switch
, CHANNEL_SWITCH
);
1564 CMD(set_qos_map
, SET_QOS_MAP
);
1565 if (rdev
->wiphy
.features
&
1566 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1567 CMD(add_tx_ts
, ADD_TX_TS
);
1569 /* add into the if now */
1572 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1574 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1575 goto nla_put_failure
;
1578 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1580 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1581 goto nla_put_failure
;
1584 nla_nest_end(msg
, nl_cmds
);
1585 state
->split_start
++;
1589 if (rdev
->ops
->remain_on_channel
&&
1590 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1592 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1593 rdev
->wiphy
.max_remain_on_channel_duration
))
1594 goto nla_put_failure
;
1596 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1597 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1598 goto nla_put_failure
;
1600 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1601 goto nla_put_failure
;
1602 state
->split_start
++;
1607 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1608 goto nla_put_failure
;
1609 state
->split_start
++;
1613 state
->split_start
++;
1616 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1617 rdev
->wiphy
.software_iftypes
))
1618 goto nla_put_failure
;
1620 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1622 goto nla_put_failure
;
1624 state
->split_start
++;
1628 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1629 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1630 rdev
->wiphy
.ap_sme_capa
))
1631 goto nla_put_failure
;
1633 features
= rdev
->wiphy
.features
;
1635 * We can only add the per-channel limit information if the
1636 * dump is split, otherwise it makes it too big. Therefore
1637 * only advertise it in that case.
1640 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1641 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1642 goto nla_put_failure
;
1644 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1645 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1646 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1647 rdev
->wiphy
.ht_capa_mod_mask
))
1648 goto nla_put_failure
;
1650 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1651 rdev
->wiphy
.max_acl_mac_addrs
&&
1652 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1653 rdev
->wiphy
.max_acl_mac_addrs
))
1654 goto nla_put_failure
;
1657 * Any information below this point is only available to
1658 * applications that can deal with it being split. This
1659 * helps ensure that newly added capabilities don't break
1660 * older tools by overrunning their buffers.
1662 * We still increment split_start so that in the split
1663 * case we'll continue with more data in the next round,
1664 * but break unconditionally so unsplit data stops here.
1666 state
->split_start
++;
1669 if (rdev
->wiphy
.extended_capabilities
&&
1670 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1671 rdev
->wiphy
.extended_capabilities_len
,
1672 rdev
->wiphy
.extended_capabilities
) ||
1673 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1674 rdev
->wiphy
.extended_capabilities_len
,
1675 rdev
->wiphy
.extended_capabilities_mask
)))
1676 goto nla_put_failure
;
1678 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1679 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1680 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1681 rdev
->wiphy
.vht_capa_mod_mask
))
1682 goto nla_put_failure
;
1684 state
->split_start
++;
1687 if (nl80211_send_coalesce(msg
, rdev
))
1688 goto nla_put_failure
;
1690 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1691 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1692 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1693 goto nla_put_failure
;
1695 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1696 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1697 rdev
->wiphy
.max_ap_assoc_sta
))
1698 goto nla_put_failure
;
1700 state
->split_start
++;
1703 if (rdev
->wiphy
.n_vendor_commands
) {
1704 const struct nl80211_vendor_cmd_info
*info
;
1705 struct nlattr
*nested
;
1707 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1709 goto nla_put_failure
;
1711 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1712 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1713 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1714 goto nla_put_failure
;
1716 nla_nest_end(msg
, nested
);
1719 if (rdev
->wiphy
.n_vendor_events
) {
1720 const struct nl80211_vendor_cmd_info
*info
;
1721 struct nlattr
*nested
;
1723 nested
= nla_nest_start(msg
,
1724 NL80211_ATTR_VENDOR_EVENTS
);
1726 goto nla_put_failure
;
1728 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1729 info
= &rdev
->wiphy
.vendor_events
[i
];
1730 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1731 goto nla_put_failure
;
1733 nla_nest_end(msg
, nested
);
1735 state
->split_start
++;
1738 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1739 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1740 rdev
->wiphy
.max_num_csa_counters
))
1741 goto nla_put_failure
;
1743 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1744 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1745 goto nla_put_failure
;
1747 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1748 sizeof(rdev
->wiphy
.ext_features
),
1749 rdev
->wiphy
.ext_features
))
1750 goto nla_put_failure
;
1752 if (rdev
->wiphy
.bss_select_support
) {
1753 struct nlattr
*nested
;
1754 u32 bss_select_support
= rdev
->wiphy
.bss_select_support
;
1756 nested
= nla_nest_start(msg
, NL80211_ATTR_BSS_SELECT
);
1758 goto nla_put_failure
;
1761 while (bss_select_support
) {
1762 if ((bss_select_support
& 1) &&
1763 nla_put_flag(msg
, i
))
1764 goto nla_put_failure
;
1766 bss_select_support
>>= 1;
1768 nla_nest_end(msg
, nested
);
1771 state
->split_start
++;
1774 if (rdev
->wiphy
.num_iftype_ext_capab
&&
1775 rdev
->wiphy
.iftype_ext_capab
) {
1776 struct nlattr
*nested_ext_capab
, *nested
;
1778 nested
= nla_nest_start(msg
,
1779 NL80211_ATTR_IFTYPE_EXT_CAPA
);
1781 goto nla_put_failure
;
1783 for (i
= state
->capa_start
;
1784 i
< rdev
->wiphy
.num_iftype_ext_capab
; i
++) {
1785 const struct wiphy_iftype_ext_capab
*capab
;
1787 capab
= &rdev
->wiphy
.iftype_ext_capab
[i
];
1789 nested_ext_capab
= nla_nest_start(msg
, i
);
1790 if (!nested_ext_capab
||
1791 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
,
1793 nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1794 capab
->extended_capabilities_len
,
1795 capab
->extended_capabilities
) ||
1796 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1797 capab
->extended_capabilities_len
,
1798 capab
->extended_capabilities_mask
))
1799 goto nla_put_failure
;
1801 nla_nest_end(msg
, nested_ext_capab
);
1805 nla_nest_end(msg
, nested
);
1806 if (i
< rdev
->wiphy
.num_iftype_ext_capab
) {
1807 state
->capa_start
= i
+ 1;
1813 state
->split_start
= 0;
1817 genlmsg_end(msg
, hdr
);
1821 genlmsg_cancel(msg
, hdr
);
1825 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1826 struct netlink_callback
*cb
,
1827 struct nl80211_dump_wiphy_state
*state
)
1829 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1830 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1831 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1832 /* ignore parse errors for backward compatibility */
1836 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1837 if (tb
[NL80211_ATTR_WIPHY
])
1838 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1839 if (tb
[NL80211_ATTR_WDEV
])
1840 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1841 if (tb
[NL80211_ATTR_IFINDEX
]) {
1842 struct net_device
*netdev
;
1843 struct cfg80211_registered_device
*rdev
;
1844 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1846 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1849 if (netdev
->ieee80211_ptr
) {
1850 rdev
= wiphy_to_rdev(
1851 netdev
->ieee80211_ptr
->wiphy
);
1852 state
->filter_wiphy
= rdev
->wiphy_idx
;
1859 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1862 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1863 struct cfg80211_registered_device
*rdev
;
1867 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1872 state
->filter_wiphy
= -1;
1873 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1879 cb
->args
[0] = (long)state
;
1882 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1883 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1885 if (++idx
<= state
->start
)
1887 if (state
->filter_wiphy
!= -1 &&
1888 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1890 /* attempt to fit multiple wiphy data chunks into the skb */
1892 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1894 NETLINK_CB(cb
->skb
).portid
,
1896 NLM_F_MULTI
, state
);
1899 * If sending the wiphy data didn't fit (ENOBUFS
1900 * or EMSGSIZE returned), this SKB is still
1901 * empty (so it's not too big because another
1902 * wiphy dataset is already in the skb) and
1903 * we've not tried to adjust the dump allocation
1904 * yet ... then adjust the alloc size to be
1905 * bigger, and return 1 but with the empty skb.
1906 * This results in an empty message being RX'ed
1907 * in userspace, but that is ignored.
1909 * We can then retry with the larger buffer.
1911 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1912 !skb
->len
&& !state
->split
&&
1913 cb
->min_dump_alloc
< 4096) {
1914 cb
->min_dump_alloc
= 4096;
1915 state
->split_start
= 0;
1922 } while (state
->split_start
> 0);
1932 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1934 kfree((void *)cb
->args
[0]);
1938 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1940 struct sk_buff
*msg
;
1941 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1942 struct nl80211_dump_wiphy_state state
= {};
1944 msg
= nlmsg_new(4096, GFP_KERNEL
);
1948 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1949 info
->snd_portid
, info
->snd_seq
, 0,
1955 return genlmsg_reply(msg
, info
);
1958 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1959 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1960 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1961 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1962 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1963 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1966 static int parse_txq_params(struct nlattr
*tb
[],
1967 struct ieee80211_txq_params
*txq_params
)
1969 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1970 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1971 !tb
[NL80211_TXQ_ATTR_AIFS
])
1974 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1975 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1976 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1977 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1978 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1980 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1986 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1989 * You can only set the channel explicitly for WDS interfaces,
1990 * all others have their channel managed via their respective
1991 * "establish a connection" command (connect, join, ...)
1993 * For AP/GO and mesh mode, the channel can be set with the
1994 * channel userspace API, but is only stored and passed to the
1995 * low-level driver when the AP starts or the mesh is joined.
1996 * This is for backward compatibility, userspace can also give
1997 * the channel in the start-ap or join-mesh commands instead.
1999 * Monitors are special as they are normally slaved to
2000 * whatever else is going on, so they have their own special
2001 * operation to set the monitor channel if possible.
2004 wdev
->iftype
== NL80211_IFTYPE_AP
||
2005 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
2006 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
2007 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
2010 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
2011 struct genl_info
*info
,
2012 struct cfg80211_chan_def
*chandef
)
2016 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
2019 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
2021 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
2022 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
2023 chandef
->center_freq1
= control_freq
;
2024 chandef
->center_freq2
= 0;
2026 /* Primary channel not allowed */
2027 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
2030 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
2031 enum nl80211_channel_type chantype
;
2033 chantype
= nla_get_u32(
2034 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
2037 case NL80211_CHAN_NO_HT
:
2038 case NL80211_CHAN_HT20
:
2039 case NL80211_CHAN_HT40PLUS
:
2040 case NL80211_CHAN_HT40MINUS
:
2041 cfg80211_chandef_create(chandef
, chandef
->chan
,
2047 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
2049 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
2050 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
2051 chandef
->center_freq1
=
2053 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
2054 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
2055 chandef
->center_freq2
=
2057 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
2060 if (!cfg80211_chandef_valid(chandef
))
2063 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
2064 IEEE80211_CHAN_DISABLED
))
2067 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
2068 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
2069 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
2075 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
2076 struct net_device
*dev
,
2077 struct genl_info
*info
)
2079 struct cfg80211_chan_def chandef
;
2081 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
2082 struct wireless_dev
*wdev
= NULL
;
2085 wdev
= dev
->ieee80211_ptr
;
2086 if (!nl80211_can_set_dev_channel(wdev
))
2089 iftype
= wdev
->iftype
;
2091 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2096 case NL80211_IFTYPE_AP
:
2097 case NL80211_IFTYPE_P2P_GO
:
2098 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2103 if (wdev
->beacon_interval
) {
2104 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2105 !(rdev
->wiphy
.features
&
2106 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2111 /* Only allow dynamic channel width changes */
2112 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2116 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2120 wdev
->preset_chandef
= chandef
;
2123 case NL80211_IFTYPE_MESH_POINT
:
2124 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2126 case NL80211_IFTYPE_MONITOR
:
2127 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2136 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2138 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2139 struct net_device
*netdev
= info
->user_ptr
[1];
2141 return __nl80211_set_channel(rdev
, netdev
, info
);
2144 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2146 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2147 struct net_device
*dev
= info
->user_ptr
[1];
2148 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2151 if (!info
->attrs
[NL80211_ATTR_MAC
])
2154 if (netif_running(dev
))
2157 if (!rdev
->ops
->set_wds_peer
)
2160 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2163 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2164 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2167 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2169 struct cfg80211_registered_device
*rdev
;
2170 struct net_device
*netdev
= NULL
;
2171 struct wireless_dev
*wdev
;
2172 int result
= 0, rem_txq_params
= 0;
2173 struct nlattr
*nl_txq_params
;
2175 u8 retry_short
= 0, retry_long
= 0;
2176 u32 frag_threshold
= 0, rts_threshold
= 0;
2177 u8 coverage_class
= 0;
2182 * Try to find the wiphy and netdev. Normally this
2183 * function shouldn't need the netdev, but this is
2184 * done for backward compatibility -- previously
2185 * setting the channel was done per wiphy, but now
2186 * it is per netdev. Previous userland like hostapd
2187 * also passed a netdev to set_wiphy, so that it is
2188 * possible to let that go to the right netdev!
2191 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2192 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2194 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2195 if (netdev
&& netdev
->ieee80211_ptr
)
2196 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2202 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2205 return PTR_ERR(rdev
);
2210 wdev
= netdev
->ieee80211_ptr
;
2213 * end workaround code, by now the rdev is available
2214 * and locked, and wdev may or may not be NULL.
2217 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2218 result
= cfg80211_dev_rename(
2219 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2224 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2225 struct ieee80211_txq_params txq_params
;
2226 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2228 if (!rdev
->ops
->set_txq_params
)
2234 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2235 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2238 if (!netif_running(netdev
))
2241 nla_for_each_nested(nl_txq_params
,
2242 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2244 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2245 nla_data(nl_txq_params
),
2246 nla_len(nl_txq_params
),
2250 result
= parse_txq_params(tb
, &txq_params
);
2254 result
= rdev_set_txq_params(rdev
, netdev
,
2261 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2262 result
= __nl80211_set_channel(
2264 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2270 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2271 struct wireless_dev
*txp_wdev
= wdev
;
2272 enum nl80211_tx_power_setting type
;
2275 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2278 if (!rdev
->ops
->set_tx_power
)
2281 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2282 type
= nla_get_u32(info
->attrs
[idx
]);
2284 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2285 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2288 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2289 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2290 mbm
= nla_get_u32(info
->attrs
[idx
]);
2293 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2298 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2299 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2302 if ((!rdev
->wiphy
.available_antennas_tx
&&
2303 !rdev
->wiphy
.available_antennas_rx
) ||
2304 !rdev
->ops
->set_antenna
)
2307 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2308 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2310 /* reject antenna configurations which don't match the
2311 * available antenna masks, except for the "all" mask */
2312 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2313 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2316 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2317 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2319 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2326 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2327 retry_short
= nla_get_u8(
2328 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2329 if (retry_short
== 0)
2332 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2335 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2336 retry_long
= nla_get_u8(
2337 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2338 if (retry_long
== 0)
2341 changed
|= WIPHY_PARAM_RETRY_LONG
;
2344 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2345 frag_threshold
= nla_get_u32(
2346 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2347 if (frag_threshold
< 256)
2350 if (frag_threshold
!= (u32
) -1) {
2352 * Fragments (apart from the last one) are required to
2353 * have even length. Make the fragmentation code
2354 * simpler by stripping LSB should someone try to use
2355 * odd threshold value.
2357 frag_threshold
&= ~0x1;
2359 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2362 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2363 rts_threshold
= nla_get_u32(
2364 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2365 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2368 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2369 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2372 coverage_class
= nla_get_u8(
2373 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2374 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2377 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2378 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2381 changed
|= WIPHY_PARAM_DYN_ACK
;
2385 u8 old_retry_short
, old_retry_long
;
2386 u32 old_frag_threshold
, old_rts_threshold
;
2387 u8 old_coverage_class
;
2389 if (!rdev
->ops
->set_wiphy_params
)
2392 old_retry_short
= rdev
->wiphy
.retry_short
;
2393 old_retry_long
= rdev
->wiphy
.retry_long
;
2394 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2395 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2396 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2398 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2399 rdev
->wiphy
.retry_short
= retry_short
;
2400 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2401 rdev
->wiphy
.retry_long
= retry_long
;
2402 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2403 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2404 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2405 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2406 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2407 rdev
->wiphy
.coverage_class
= coverage_class
;
2409 result
= rdev_set_wiphy_params(rdev
, changed
);
2411 rdev
->wiphy
.retry_short
= old_retry_short
;
2412 rdev
->wiphy
.retry_long
= old_retry_long
;
2413 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2414 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2415 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2422 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2424 return (u64
)wdev
->identifier
|
2425 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2428 static int nl80211_send_chandef(struct sk_buff
*msg
,
2429 const struct cfg80211_chan_def
*chandef
)
2431 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2434 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2435 chandef
->chan
->center_freq
))
2437 switch (chandef
->width
) {
2438 case NL80211_CHAN_WIDTH_20_NOHT
:
2439 case NL80211_CHAN_WIDTH_20
:
2440 case NL80211_CHAN_WIDTH_40
:
2441 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2442 cfg80211_get_chandef_type(chandef
)))
2448 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2450 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2452 if (chandef
->center_freq2
&&
2453 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2458 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2459 struct cfg80211_registered_device
*rdev
,
2460 struct wireless_dev
*wdev
, bool removal
)
2462 struct net_device
*dev
= wdev
->netdev
;
2463 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2467 cmd
= NL80211_CMD_DEL_INTERFACE
;
2469 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2474 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2475 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2476 goto nla_put_failure
;
2478 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2479 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2480 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
2481 NL80211_ATTR_PAD
) ||
2482 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2483 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2484 rdev
->devlist_generation
^
2485 (cfg80211_rdev_list_generation
<< 2)))
2486 goto nla_put_failure
;
2488 if (rdev
->ops
->get_channel
) {
2490 struct cfg80211_chan_def chandef
;
2492 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2494 if (nl80211_send_chandef(msg
, &chandef
))
2495 goto nla_put_failure
;
2499 if (rdev
->ops
->get_tx_power
) {
2502 ret
= rdev_get_tx_power(rdev
, wdev
, &dbm
);
2504 nla_put_u32(msg
, NL80211_ATTR_WIPHY_TX_POWER_LEVEL
,
2506 goto nla_put_failure
;
2509 if (wdev
->ssid_len
) {
2510 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2511 goto nla_put_failure
;
2514 genlmsg_end(msg
, hdr
);
2518 genlmsg_cancel(msg
, hdr
);
2522 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2526 int wp_start
= cb
->args
[0];
2527 int if_start
= cb
->args
[1];
2528 struct cfg80211_registered_device
*rdev
;
2529 struct wireless_dev
*wdev
;
2532 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2533 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2535 if (wp_idx
< wp_start
) {
2541 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
2542 if (if_idx
< if_start
) {
2546 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2547 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2548 rdev
, wdev
, false) < 0) {
2559 cb
->args
[0] = wp_idx
;
2560 cb
->args
[1] = if_idx
;
2565 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2567 struct sk_buff
*msg
;
2568 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2569 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2571 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2575 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2576 rdev
, wdev
, false) < 0) {
2581 return genlmsg_reply(msg
, info
);
2584 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2585 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2586 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2587 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2588 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2589 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2590 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2593 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2595 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2603 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2604 nla
, mntr_flags_policy
))
2607 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2609 *mntrflags
|= (1<<flag
);
2614 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2615 struct net_device
*netdev
, u8 use_4addr
,
2616 enum nl80211_iftype iftype
)
2619 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2625 case NL80211_IFTYPE_AP_VLAN
:
2626 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2629 case NL80211_IFTYPE_STATION
:
2630 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2640 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2642 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2643 struct vif_params params
;
2645 enum nl80211_iftype otype
, ntype
;
2646 struct net_device
*dev
= info
->user_ptr
[1];
2647 u32 _flags
, *flags
= NULL
;
2648 bool change
= false;
2650 memset(¶ms
, 0, sizeof(params
));
2652 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2654 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2655 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2658 if (ntype
> NL80211_IFTYPE_MAX
)
2662 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2663 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2665 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2667 if (netif_running(dev
))
2671 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2672 IEEE80211_MAX_MESH_ID_LEN
);
2673 wdev
->mesh_id_up_len
=
2674 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2675 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2676 wdev
->mesh_id_up_len
);
2680 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2681 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2683 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2687 params
.use_4addr
= -1;
2690 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2691 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2693 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2702 if (info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]) {
2703 const u8
*mumimo_groups
;
2704 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2706 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2710 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]);
2712 /* bits 0 and 63 are reserved and must be zero */
2713 if ((mumimo_groups
[0] & BIT(7)) ||
2714 (mumimo_groups
[VHT_MUMIMO_GROUPS_DATA_LEN
- 1] & BIT(0)))
2717 memcpy(params
.vht_mumimo_groups
, mumimo_groups
,
2718 VHT_MUMIMO_GROUPS_DATA_LEN
);
2722 if (info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]) {
2723 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2725 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2728 nla_memcpy(params
.macaddr
,
2729 info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
],
2734 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2735 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2739 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2743 if (!err
&& params
.use_4addr
!= -1)
2744 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2749 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2751 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2752 struct vif_params params
;
2753 struct wireless_dev
*wdev
;
2754 struct sk_buff
*msg
, *event
;
2756 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2759 /* to avoid failing a new interface creation due to pending removal */
2760 cfg80211_destroy_ifaces(rdev
);
2762 memset(¶ms
, 0, sizeof(params
));
2764 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2767 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2768 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2769 if (type
> NL80211_IFTYPE_MAX
)
2773 if (!rdev
->ops
->add_virtual_intf
||
2774 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2777 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2778 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2779 info
->attrs
[NL80211_ATTR_MAC
]) {
2780 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2782 if (!is_valid_ether_addr(params
.macaddr
))
2783 return -EADDRNOTAVAIL
;
2786 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2787 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2788 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2793 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2794 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2797 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2798 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2801 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2805 wdev
= rdev_add_virtual_intf(rdev
,
2806 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2807 NET_NAME_USER
, type
, err
? NULL
: &flags
,
2809 if (WARN_ON(!wdev
)) {
2812 } else if (IS_ERR(wdev
)) {
2814 return PTR_ERR(wdev
);
2817 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2818 wdev
->owner_nlportid
= info
->snd_portid
;
2821 case NL80211_IFTYPE_MESH_POINT
:
2822 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2825 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2826 IEEE80211_MAX_MESH_ID_LEN
);
2827 wdev
->mesh_id_up_len
=
2828 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2829 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2830 wdev
->mesh_id_up_len
);
2833 case NL80211_IFTYPE_P2P_DEVICE
:
2835 * P2P Device doesn't have a netdev, so doesn't go
2836 * through the netdev notifier and must be added here
2838 mutex_init(&wdev
->mtx
);
2839 INIT_LIST_HEAD(&wdev
->event_list
);
2840 spin_lock_init(&wdev
->event_lock
);
2841 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2842 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2844 wdev
->identifier
= ++rdev
->wdev_id
;
2845 list_add_rcu(&wdev
->list
, &rdev
->wiphy
.wdev_list
);
2846 rdev
->devlist_generation
++;
2852 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2853 rdev
, wdev
, false) < 0) {
2858 event
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2860 if (nl80211_send_iface(event
, 0, 0, 0,
2861 rdev
, wdev
, false) < 0) {
2866 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2867 event
, 0, NL80211_MCGRP_CONFIG
,
2872 return genlmsg_reply(msg
, info
);
2875 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2877 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2878 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2879 struct sk_buff
*msg
;
2882 if (!rdev
->ops
->del_virtual_intf
)
2885 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2886 if (msg
&& nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, true) < 0) {
2892 * If we remove a wireless device without a netdev then clear
2893 * user_ptr[1] so that nl80211_post_doit won't dereference it
2894 * to check if it needs to do dev_put(). Otherwise it crashes
2895 * since the wdev has been freed, unlike with a netdev where
2896 * we need the dev_put() for the netdev to really be freed.
2899 info
->user_ptr
[1] = NULL
;
2901 status
= rdev_del_virtual_intf(rdev
, wdev
);
2902 if (status
>= 0 && msg
)
2903 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2904 msg
, 0, NL80211_MCGRP_CONFIG
,
2912 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2914 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2915 struct net_device
*dev
= info
->user_ptr
[1];
2918 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2921 if (!rdev
->ops
->set_noack_map
)
2924 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2926 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2929 struct get_key_cookie
{
2930 struct sk_buff
*msg
;
2935 static void get_key_callback(void *c
, struct key_params
*params
)
2938 struct get_key_cookie
*cookie
= c
;
2941 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2942 params
->key_len
, params
->key
)) ||
2944 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2945 params
->seq_len
, params
->seq
)) ||
2947 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2949 goto nla_put_failure
;
2951 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2953 goto nla_put_failure
;
2956 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2957 params
->key_len
, params
->key
)) ||
2959 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2960 params
->seq_len
, params
->seq
)) ||
2962 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2964 goto nla_put_failure
;
2966 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2967 goto nla_put_failure
;
2969 nla_nest_end(cookie
->msg
, key
);
2976 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2978 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2980 struct net_device
*dev
= info
->user_ptr
[1];
2982 const u8
*mac_addr
= NULL
;
2984 struct get_key_cookie cookie
= {
2988 struct sk_buff
*msg
;
2990 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2991 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2996 if (info
->attrs
[NL80211_ATTR_MAC
])
2997 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2999 pairwise
= !!mac_addr
;
3000 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
3001 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
3003 if (kt
>= NUM_NL80211_KEYTYPES
)
3005 if (kt
!= NL80211_KEYTYPE_GROUP
&&
3006 kt
!= NL80211_KEYTYPE_PAIRWISE
)
3008 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
3011 if (!rdev
->ops
->get_key
)
3014 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3017 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3021 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3022 NL80211_CMD_NEW_KEY
);
3024 goto nla_put_failure
;
3027 cookie
.idx
= key_idx
;
3029 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3030 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3031 goto nla_put_failure
;
3033 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3034 goto nla_put_failure
;
3036 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3043 goto nla_put_failure
;
3045 genlmsg_end(msg
, hdr
);
3046 return genlmsg_reply(msg
, info
);
3055 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3057 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3058 struct key_parse key
;
3060 struct net_device
*dev
= info
->user_ptr
[1];
3062 err
= nl80211_parse_key(info
, &key
);
3069 /* only support setting default key */
3070 if (!key
.def
&& !key
.defmgmt
)
3073 wdev_lock(dev
->ieee80211_ptr
);
3076 if (!rdev
->ops
->set_default_key
) {
3081 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3085 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3086 key
.def_uni
, key
.def_multi
);
3091 #ifdef CONFIG_CFG80211_WEXT
3092 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3095 if (key
.def_uni
|| !key
.def_multi
) {
3100 if (!rdev
->ops
->set_default_mgmt_key
) {
3105 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3109 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3113 #ifdef CONFIG_CFG80211_WEXT
3114 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3119 wdev_unlock(dev
->ieee80211_ptr
);
3124 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3126 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3128 struct net_device
*dev
= info
->user_ptr
[1];
3129 struct key_parse key
;
3130 const u8
*mac_addr
= NULL
;
3132 err
= nl80211_parse_key(info
, &key
);
3139 if (info
->attrs
[NL80211_ATTR_MAC
])
3140 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3142 if (key
.type
== -1) {
3144 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3146 key
.type
= NL80211_KEYTYPE_GROUP
;
3150 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3151 key
.type
!= NL80211_KEYTYPE_GROUP
)
3154 if (!rdev
->ops
->add_key
)
3157 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3158 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3162 wdev_lock(dev
->ieee80211_ptr
);
3163 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3165 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3166 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3168 wdev_unlock(dev
->ieee80211_ptr
);
3173 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3175 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3177 struct net_device
*dev
= info
->user_ptr
[1];
3178 u8
*mac_addr
= NULL
;
3179 struct key_parse key
;
3181 err
= nl80211_parse_key(info
, &key
);
3185 if (info
->attrs
[NL80211_ATTR_MAC
])
3186 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3188 if (key
.type
== -1) {
3190 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3192 key
.type
= NL80211_KEYTYPE_GROUP
;
3196 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3197 key
.type
!= NL80211_KEYTYPE_GROUP
)
3200 if (!rdev
->ops
->del_key
)
3203 wdev_lock(dev
->ieee80211_ptr
);
3204 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3206 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3207 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3211 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3212 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3215 #ifdef CONFIG_CFG80211_WEXT
3217 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3218 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3219 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3220 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3223 wdev_unlock(dev
->ieee80211_ptr
);
3228 /* This function returns an error or the number of nested attributes */
3229 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3231 struct nlattr
*attr
;
3232 int n_entries
= 0, tmp
;
3234 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3235 if (nla_len(attr
) != ETH_ALEN
)
3245 * This function parses ACL information and allocates memory for ACL data.
3246 * On successful return, the calling function is responsible to free the
3247 * ACL buffer returned by this function.
3249 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3250 struct genl_info
*info
)
3252 enum nl80211_acl_policy acl_policy
;
3253 struct nlattr
*attr
;
3254 struct cfg80211_acl_data
*acl
;
3255 int i
= 0, n_entries
, tmp
;
3257 if (!wiphy
->max_acl_mac_addrs
)
3258 return ERR_PTR(-EOPNOTSUPP
);
3260 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3261 return ERR_PTR(-EINVAL
);
3263 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3264 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3265 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3266 return ERR_PTR(-EINVAL
);
3268 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3269 return ERR_PTR(-EINVAL
);
3271 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3273 return ERR_PTR(n_entries
);
3275 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3276 return ERR_PTR(-ENOTSUPP
);
3278 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3281 return ERR_PTR(-ENOMEM
);
3283 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3284 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3288 acl
->n_acl_entries
= n_entries
;
3289 acl
->acl_policy
= acl_policy
;
3294 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3296 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3297 struct net_device
*dev
= info
->user_ptr
[1];
3298 struct cfg80211_acl_data
*acl
;
3301 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3302 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3305 if (!dev
->ieee80211_ptr
->beacon_interval
)
3308 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3310 return PTR_ERR(acl
);
3312 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3319 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3320 struct cfg80211_beacon_data
*bcn
)
3322 bool haveinfo
= false;
3324 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3325 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3326 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3327 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3330 memset(bcn
, 0, sizeof(*bcn
));
3332 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3333 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3334 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3340 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3341 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3342 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3349 if (attrs
[NL80211_ATTR_IE
]) {
3350 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3351 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3354 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3355 bcn
->proberesp_ies
=
3356 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3357 bcn
->proberesp_ies_len
=
3358 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3361 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3362 bcn
->assocresp_ies
=
3363 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3364 bcn
->assocresp_ies_len
=
3365 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3368 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3369 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3370 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3376 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3377 struct cfg80211_ap_settings
*params
)
3379 struct wireless_dev
*wdev
;
3382 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3383 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3384 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3387 if (!wdev
->preset_chandef
.chan
)
3390 params
->chandef
= wdev
->preset_chandef
;
3398 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3399 enum nl80211_auth_type auth_type
,
3400 enum nl80211_commands cmd
)
3402 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3406 case NL80211_CMD_AUTHENTICATE
:
3407 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3408 auth_type
== NL80211_AUTHTYPE_SAE
)
3411 case NL80211_CMD_CONNECT
:
3412 case NL80211_CMD_START_AP
:
3413 /* SAE not supported yet */
3414 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3422 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3424 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3425 struct net_device
*dev
= info
->user_ptr
[1];
3426 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3427 struct cfg80211_ap_settings params
;
3430 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3431 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3434 if (!rdev
->ops
->start_ap
)
3437 if (wdev
->beacon_interval
)
3440 memset(¶ms
, 0, sizeof(params
));
3442 /* these are required for START_AP */
3443 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3444 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3445 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3448 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3452 params
.beacon_interval
=
3453 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3454 params
.dtim_period
=
3455 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3457 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3462 * In theory, some of these attributes should be required here
3463 * but since they were not used when the command was originally
3464 * added, keep them optional for old user space programs to let
3465 * them continue to work with drivers that do not need the
3466 * additional information -- drivers must check!
3468 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3469 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3471 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3472 if (params
.ssid_len
== 0 ||
3473 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3477 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3478 params
.hidden_ssid
= nla_get_u32(
3479 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3480 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3481 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3482 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3486 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3488 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3489 params
.auth_type
= nla_get_u32(
3490 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3491 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3492 NL80211_CMD_START_AP
))
3495 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3497 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3498 NL80211_MAX_NR_CIPHER_SUITES
);
3502 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3503 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3505 params
.inactivity_timeout
= nla_get_u16(
3506 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3509 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3510 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3512 params
.p2p_ctwindow
=
3513 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3514 if (params
.p2p_ctwindow
> 127)
3516 if (params
.p2p_ctwindow
!= 0 &&
3517 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3521 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3524 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3526 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3529 params
.p2p_opp_ps
= tmp
;
3530 if (params
.p2p_opp_ps
!= 0 &&
3531 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3535 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3536 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3539 } else if (wdev
->preset_chandef
.chan
) {
3540 params
.chandef
= wdev
->preset_chandef
;
3541 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3544 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
3548 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3550 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3551 switch (params
.smps_mode
) {
3552 case NL80211_SMPS_OFF
:
3554 case NL80211_SMPS_STATIC
:
3555 if (!(rdev
->wiphy
.features
&
3556 NL80211_FEATURE_STATIC_SMPS
))
3559 case NL80211_SMPS_DYNAMIC
:
3560 if (!(rdev
->wiphy
.features
&
3561 NL80211_FEATURE_DYNAMIC_SMPS
))
3568 params
.smps_mode
= NL80211_SMPS_OFF
;
3571 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
3572 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
3575 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3576 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3577 if (IS_ERR(params
.acl
))
3578 return PTR_ERR(params
.acl
);
3582 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3584 wdev
->preset_chandef
= params
.chandef
;
3585 wdev
->beacon_interval
= params
.beacon_interval
;
3586 wdev
->chandef
= params
.chandef
;
3587 wdev
->ssid_len
= params
.ssid_len
;
3588 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3597 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3599 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3600 struct net_device
*dev
= info
->user_ptr
[1];
3601 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3602 struct cfg80211_beacon_data params
;
3605 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3606 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3609 if (!rdev
->ops
->change_beacon
)
3612 if (!wdev
->beacon_interval
)
3615 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3620 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3626 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3628 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3629 struct net_device
*dev
= info
->user_ptr
[1];
3631 return cfg80211_stop_ap(rdev
, dev
, false);
3634 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3635 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3636 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3637 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3638 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3639 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3640 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3643 static int parse_station_flags(struct genl_info
*info
,
3644 enum nl80211_iftype iftype
,
3645 struct station_parameters
*params
)
3647 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3652 * Try parsing the new attribute first so userspace
3653 * can specify both for older kernels.
3655 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3657 struct nl80211_sta_flag_update
*sta_flags
;
3659 sta_flags
= nla_data(nla
);
3660 params
->sta_flags_mask
= sta_flags
->mask
;
3661 params
->sta_flags_set
= sta_flags
->set
;
3662 params
->sta_flags_set
&= params
->sta_flags_mask
;
3663 if ((params
->sta_flags_mask
|
3664 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3669 /* if present, parse the old attribute */
3671 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3675 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3676 nla
, sta_flags_policy
))
3680 * Only allow certain flags for interface types so that
3681 * other attributes are silently ignored. Remember that
3682 * this is backward compatibility code with old userspace
3683 * and shouldn't be hit in other cases anyway.
3686 case NL80211_IFTYPE_AP
:
3687 case NL80211_IFTYPE_AP_VLAN
:
3688 case NL80211_IFTYPE_P2P_GO
:
3689 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3690 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3691 BIT(NL80211_STA_FLAG_WME
) |
3692 BIT(NL80211_STA_FLAG_MFP
);
3694 case NL80211_IFTYPE_P2P_CLIENT
:
3695 case NL80211_IFTYPE_STATION
:
3696 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3697 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3699 case NL80211_IFTYPE_MESH_POINT
:
3700 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3701 BIT(NL80211_STA_FLAG_MFP
) |
3702 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3707 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3709 params
->sta_flags_set
|= (1<<flag
);
3711 /* no longer support new API additions in old API */
3712 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3720 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3723 struct nlattr
*rate
;
3726 enum nl80211_attrs rate_flg
;
3728 rate
= nla_nest_start(msg
, attr
);
3732 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3733 bitrate
= cfg80211_calculate_bitrate(info
);
3734 /* report 16-bit bitrate only if we can */
3735 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3737 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3739 if (bitrate_compat
> 0 &&
3740 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3744 case RATE_INFO_BW_5
:
3745 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
3747 case RATE_INFO_BW_10
:
3748 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
3753 case RATE_INFO_BW_20
:
3756 case RATE_INFO_BW_40
:
3757 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
3759 case RATE_INFO_BW_80
:
3760 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
3762 case RATE_INFO_BW_160
:
3763 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
3767 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
3770 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3771 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3773 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3774 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3776 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3777 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3779 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3781 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3782 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3786 nla_nest_end(msg
, rate
);
3790 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3799 attr
= nla_nest_start(msg
, id
);
3803 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3804 if (!(mask
& BIT(i
)))
3807 if (nla_put_u8(msg
, i
, signal
[i
]))
3811 nla_nest_end(msg
, attr
);
3816 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
3818 struct cfg80211_registered_device
*rdev
,
3819 struct net_device
*dev
,
3820 const u8
*mac_addr
, struct station_info
*sinfo
)
3823 struct nlattr
*sinfoattr
, *bss_param
;
3825 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
3829 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3830 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3831 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3832 goto nla_put_failure
;
3834 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3836 goto nla_put_failure
;
3838 #define PUT_SINFO(attr, memb, type) do { \
3839 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
3840 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
3841 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
3843 goto nla_put_failure; \
3845 #define PUT_SINFO_U64(attr, memb) do { \
3846 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
3847 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
3848 sinfo->memb, NL80211_STA_INFO_PAD)) \
3849 goto nla_put_failure; \
3852 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
3853 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
3855 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
3856 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
3857 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3858 (u32
)sinfo
->rx_bytes
))
3859 goto nla_put_failure
;
3861 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
3862 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
3863 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3864 (u32
)sinfo
->tx_bytes
))
3865 goto nla_put_failure
;
3867 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
3868 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
3869 PUT_SINFO(LLID
, llid
, u16
);
3870 PUT_SINFO(PLID
, plid
, u16
);
3871 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
3872 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
3874 switch (rdev
->wiphy
.signal_type
) {
3875 case CFG80211_SIGNAL_TYPE_MBM
:
3876 PUT_SINFO(SIGNAL
, signal
, u8
);
3877 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
3882 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
3883 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3884 sinfo
->chain_signal
,
3885 NL80211_STA_INFO_CHAIN_SIGNAL
))
3886 goto nla_put_failure
;
3888 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
3889 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3890 sinfo
->chain_signal_avg
,
3891 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3892 goto nla_put_failure
;
3894 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
3895 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3896 NL80211_STA_INFO_TX_BITRATE
))
3897 goto nla_put_failure
;
3899 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
3900 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3901 NL80211_STA_INFO_RX_BITRATE
))
3902 goto nla_put_failure
;
3905 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
3906 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
3907 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
3908 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
3909 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
3910 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
3911 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
3912 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
3913 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
3915 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
3916 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3918 goto nla_put_failure
;
3920 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3921 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3922 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3923 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3924 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3925 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3926 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3927 sinfo
->bss_param
.dtim_period
) ||
3928 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3929 sinfo
->bss_param
.beacon_interval
))
3930 goto nla_put_failure
;
3932 nla_nest_end(msg
, bss_param
);
3934 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
3935 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3936 sizeof(struct nl80211_sta_flag_update
),
3938 goto nla_put_failure
;
3940 PUT_SINFO_U64(T_OFFSET
, t_offset
);
3941 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
3942 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
3943 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
3946 #undef PUT_SINFO_U64
3948 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
3949 struct nlattr
*tidsattr
;
3952 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
3954 goto nla_put_failure
;
3956 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
3957 struct cfg80211_tid_stats
*tidstats
;
3958 struct nlattr
*tidattr
;
3960 tidstats
= &sinfo
->pertid
[tid
];
3962 if (!tidstats
->filled
)
3965 tidattr
= nla_nest_start(msg
, tid
+ 1);
3967 goto nla_put_failure
;
3969 #define PUT_TIDVAL_U64(attr, memb) do { \
3970 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
3971 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
3972 tidstats->memb, NL80211_TID_STATS_PAD)) \
3973 goto nla_put_failure; \
3976 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
3977 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
3978 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
3979 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
3981 #undef PUT_TIDVAL_U64
3982 nla_nest_end(msg
, tidattr
);
3985 nla_nest_end(msg
, tidsattr
);
3988 nla_nest_end(msg
, sinfoattr
);
3990 if (sinfo
->assoc_req_ies_len
&&
3991 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3992 sinfo
->assoc_req_ies
))
3993 goto nla_put_failure
;
3995 genlmsg_end(msg
, hdr
);
3999 genlmsg_cancel(msg
, hdr
);
4003 static int nl80211_dump_station(struct sk_buff
*skb
,
4004 struct netlink_callback
*cb
)
4006 struct station_info sinfo
;
4007 struct cfg80211_registered_device
*rdev
;
4008 struct wireless_dev
*wdev
;
4009 u8 mac_addr
[ETH_ALEN
];
4010 int sta_idx
= cb
->args
[2];
4013 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4017 if (!wdev
->netdev
) {
4022 if (!rdev
->ops
->dump_station
) {
4028 memset(&sinfo
, 0, sizeof(sinfo
));
4029 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
4036 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
4037 NETLINK_CB(cb
->skb
).portid
,
4038 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4039 rdev
, wdev
->netdev
, mac_addr
,
4047 cb
->args
[2] = sta_idx
;
4050 nl80211_finish_wdev_dump(rdev
);
4055 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
4057 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4058 struct net_device
*dev
= info
->user_ptr
[1];
4059 struct station_info sinfo
;
4060 struct sk_buff
*msg
;
4061 u8
*mac_addr
= NULL
;
4064 memset(&sinfo
, 0, sizeof(sinfo
));
4066 if (!info
->attrs
[NL80211_ATTR_MAC
])
4069 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4071 if (!rdev
->ops
->get_station
)
4074 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
4078 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4082 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4083 info
->snd_portid
, info
->snd_seq
, 0,
4084 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4089 return genlmsg_reply(msg
, info
);
4092 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4093 struct station_parameters
*params
,
4094 enum cfg80211_station_type statype
)
4096 if (params
->listen_interval
!= -1 &&
4097 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4100 if (params
->support_p2p_ps
!= -1 &&
4101 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4105 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4106 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4109 /* When you run into this, adjust the code below for the new flag */
4110 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4113 case CFG80211_STA_MESH_PEER_KERNEL
:
4114 case CFG80211_STA_MESH_PEER_USER
:
4116 * No ignoring the TDLS flag here -- the userspace mesh
4117 * code doesn't have the bug of including TDLS in the
4120 if (params
->sta_flags_mask
&
4121 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4122 BIT(NL80211_STA_FLAG_MFP
) |
4123 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4126 case CFG80211_STA_TDLS_PEER_SETUP
:
4127 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4128 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4130 /* ignore since it can't change */
4131 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4134 /* disallow mesh-specific things */
4135 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4137 if (params
->local_pm
)
4139 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4143 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4144 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4145 /* TDLS can't be set, ... */
4146 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4149 * ... but don't bother the driver with it. This works around
4150 * a hostapd/wpa_supplicant issue -- it always includes the
4151 * TLDS_PEER flag in the mask even for AP mode.
4153 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4156 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4157 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4158 /* reject other things that can't change */
4159 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4161 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4163 if (params
->supported_rates
)
4165 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4169 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4170 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4176 case CFG80211_STA_AP_MLME_CLIENT
:
4177 /* Use this only for authorizing/unauthorizing a station */
4178 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4181 case CFG80211_STA_AP_CLIENT
:
4182 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4183 /* accept only the listed bits */
4184 if (params
->sta_flags_mask
&
4185 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4186 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4187 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4188 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4189 BIT(NL80211_STA_FLAG_WME
) |
4190 BIT(NL80211_STA_FLAG_MFP
)))
4193 /* but authenticated/associated only if driver handles it */
4194 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4195 params
->sta_flags_mask
&
4196 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4197 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4200 case CFG80211_STA_IBSS
:
4201 case CFG80211_STA_AP_STA
:
4202 /* reject any changes other than AUTHORIZED */
4203 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4206 case CFG80211_STA_TDLS_PEER_SETUP
:
4207 /* reject any changes other than AUTHORIZED or WME */
4208 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4209 BIT(NL80211_STA_FLAG_WME
)))
4211 /* force (at least) rates when authorizing */
4212 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4213 !params
->supported_rates
)
4216 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4217 /* reject any changes */
4219 case CFG80211_STA_MESH_PEER_KERNEL
:
4220 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4223 case CFG80211_STA_MESH_PEER_USER
:
4224 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4225 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4232 EXPORT_SYMBOL(cfg80211_check_station_change
);
4235 * Get vlan interface making sure it is running and on the right wiphy.
4237 static struct net_device
*get_vlan(struct genl_info
*info
,
4238 struct cfg80211_registered_device
*rdev
)
4240 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4241 struct net_device
*v
;
4247 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4249 return ERR_PTR(-ENODEV
);
4251 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4256 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4257 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4258 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4263 if (!netif_running(v
)) {
4271 return ERR_PTR(ret
);
4274 static const struct nla_policy
4275 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4276 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4277 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4280 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4281 struct station_parameters
*params
)
4283 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4287 /* parse WME attributes if present */
4288 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4291 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4292 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4293 nl80211_sta_wme_policy
);
4297 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4298 params
->uapsd_queues
= nla_get_u8(
4299 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4300 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4303 if (tb
[NL80211_STA_WME_MAX_SP
])
4304 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4306 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4309 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4314 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4315 struct station_parameters
*params
)
4317 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4318 params
->supported_channels
=
4319 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4320 params
->supported_channels_len
=
4321 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4323 * Need to include at least one (first channel, number of
4324 * channels) tuple for each subband, and must have proper
4325 * tuples for the rest of the data as well.
4327 if (params
->supported_channels_len
< 2)
4329 if (params
->supported_channels_len
% 2)
4333 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4334 params
->supported_oper_classes
=
4335 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4336 params
->supported_oper_classes_len
=
4337 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4339 * The value of the Length field of the Supported Operating
4340 * Classes element is between 2 and 253.
4342 if (params
->supported_oper_classes_len
< 2 ||
4343 params
->supported_oper_classes_len
> 253)
4349 static int nl80211_set_station_tdls(struct genl_info
*info
,
4350 struct station_parameters
*params
)
4353 /* Dummy STA entry gets updated once the peer capabilities are known */
4354 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4355 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4356 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4358 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4359 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4361 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4363 err
= nl80211_parse_sta_channel_info(info
, params
);
4367 return nl80211_parse_sta_wme(info
, params
);
4370 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4372 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4373 struct net_device
*dev
= info
->user_ptr
[1];
4374 struct station_parameters params
;
4378 memset(¶ms
, 0, sizeof(params
));
4380 if (!rdev
->ops
->change_station
)
4384 * AID and listen_interval properties can be set only for unassociated
4385 * station. Include these parameters here and will check them in
4386 * cfg80211_check_station_change().
4388 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4389 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4391 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4392 params
.listen_interval
=
4393 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4395 params
.listen_interval
= -1;
4397 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4400 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4401 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4404 params
.support_p2p_ps
= tmp
;
4406 params
.support_p2p_ps
= -1;
4409 if (!info
->attrs
[NL80211_ATTR_MAC
])
4412 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4414 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4415 params
.supported_rates
=
4416 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4417 params
.supported_rates_len
=
4418 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4421 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4423 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4424 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4427 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4429 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4430 params
.ext_capab_len
=
4431 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4434 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4437 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4438 params
.plink_action
=
4439 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4440 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4444 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4445 params
.plink_state
=
4446 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4447 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4449 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]) {
4450 params
.peer_aid
= nla_get_u16(
4451 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
4452 if (params
.peer_aid
> IEEE80211_MAX_AID
)
4455 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4458 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4459 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4460 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4462 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4463 pm
> NL80211_MESH_POWER_MAX
)
4466 params
.local_pm
= pm
;
4469 /* Include parameters for TDLS peer (will check later) */
4470 err
= nl80211_set_station_tdls(info
, ¶ms
);
4474 params
.vlan
= get_vlan(info
, rdev
);
4475 if (IS_ERR(params
.vlan
))
4476 return PTR_ERR(params
.vlan
);
4478 switch (dev
->ieee80211_ptr
->iftype
) {
4479 case NL80211_IFTYPE_AP
:
4480 case NL80211_IFTYPE_AP_VLAN
:
4481 case NL80211_IFTYPE_P2P_GO
:
4482 case NL80211_IFTYPE_P2P_CLIENT
:
4483 case NL80211_IFTYPE_STATION
:
4484 case NL80211_IFTYPE_ADHOC
:
4485 case NL80211_IFTYPE_MESH_POINT
:
4492 /* driver will call cfg80211_check_station_change() */
4493 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4497 dev_put(params
.vlan
);
4502 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4504 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4506 struct net_device
*dev
= info
->user_ptr
[1];
4507 struct station_parameters params
;
4508 u8
*mac_addr
= NULL
;
4509 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4510 BIT(NL80211_STA_FLAG_ASSOCIATED
);
4512 memset(¶ms
, 0, sizeof(params
));
4514 if (!rdev
->ops
->add_station
)
4517 if (!info
->attrs
[NL80211_ATTR_MAC
])
4520 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4523 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4526 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4527 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4530 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4531 params
.supported_rates
=
4532 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4533 params
.supported_rates_len
=
4534 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4535 params
.listen_interval
=
4536 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4538 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4541 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4542 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4545 params
.support_p2p_ps
= tmp
;
4548 * if not specified, assume it's supported for P2P GO interface,
4549 * and is NOT supported for AP interface
4551 params
.support_p2p_ps
=
4552 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
4555 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4556 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4558 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4559 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4562 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4564 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4565 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4568 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4570 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4571 params
.ext_capab_len
=
4572 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4575 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4577 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4579 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4581 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4583 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4584 params
.opmode_notif_used
= true;
4585 params
.opmode_notif
=
4586 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4589 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4590 params
.plink_action
=
4591 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4592 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4596 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4600 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4604 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4607 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
4608 * as userspace might just pass through the capabilities from the IEs
4609 * directly, rather than enforcing this restriction and returning an
4610 * error in this case.
4612 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
4613 params
.ht_capa
= NULL
;
4614 params
.vht_capa
= NULL
;
4617 /* When you run into this, adjust the code below for the new flag */
4618 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4620 switch (dev
->ieee80211_ptr
->iftype
) {
4621 case NL80211_IFTYPE_AP
:
4622 case NL80211_IFTYPE_AP_VLAN
:
4623 case NL80211_IFTYPE_P2P_GO
:
4624 /* ignore WME attributes if iface/sta is not capable */
4625 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4626 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4627 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4629 /* TDLS peers cannot be added */
4630 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4631 info
->attrs
[NL80211_ATTR_PEER_AID
])
4633 /* but don't bother the driver with it */
4634 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4636 /* allow authenticated/associated only if driver handles it */
4637 if (!(rdev
->wiphy
.features
&
4638 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4639 params
.sta_flags_mask
& auth_assoc
)
4642 /* Older userspace, or userspace wanting to be compatible with
4643 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
4644 * and assoc flags in the mask, but assumes the station will be
4645 * added as associated anyway since this was the required driver
4646 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
4648 * In order to not bother drivers with this quirk in the API
4649 * set the flags in both the mask and set for new stations in
4652 if (!(params
.sta_flags_mask
& auth_assoc
)) {
4653 params
.sta_flags_mask
|= auth_assoc
;
4654 params
.sta_flags_set
|= auth_assoc
;
4657 /* must be last in here for error handling */
4658 params
.vlan
= get_vlan(info
, rdev
);
4659 if (IS_ERR(params
.vlan
))
4660 return PTR_ERR(params
.vlan
);
4662 case NL80211_IFTYPE_MESH_POINT
:
4663 /* ignore uAPSD data */
4664 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4666 /* associated is disallowed */
4667 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4669 /* TDLS peers cannot be added */
4670 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4671 info
->attrs
[NL80211_ATTR_PEER_AID
])
4674 case NL80211_IFTYPE_STATION
:
4675 case NL80211_IFTYPE_P2P_CLIENT
:
4676 /* ignore uAPSD data */
4677 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4679 /* these are disallowed */
4680 if (params
.sta_flags_mask
&
4681 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4682 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4684 /* Only TDLS peers can be added */
4685 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4687 /* Can only add if TDLS ... */
4688 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4690 /* ... with external setup is supported */
4691 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4694 * Older wpa_supplicant versions always mark the TDLS peer
4695 * as authorized, but it shouldn't yet be.
4697 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4703 /* be aware of params.vlan when changing code here */
4705 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4708 dev_put(params
.vlan
);
4712 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4714 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4715 struct net_device
*dev
= info
->user_ptr
[1];
4716 struct station_del_parameters params
;
4718 memset(¶ms
, 0, sizeof(params
));
4720 if (info
->attrs
[NL80211_ATTR_MAC
])
4721 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4723 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4724 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4725 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4726 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4729 if (!rdev
->ops
->del_station
)
4732 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4734 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4735 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4736 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4739 /* Default to Deauthentication frame */
4740 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4743 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4744 params
.reason_code
=
4745 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4746 if (params
.reason_code
== 0)
4747 return -EINVAL
; /* 0 is reserved */
4749 /* Default to reason code 2 */
4750 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4753 return rdev_del_station(rdev
, dev
, ¶ms
);
4756 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4757 int flags
, struct net_device
*dev
,
4758 u8
*dst
, u8
*next_hop
,
4759 struct mpath_info
*pinfo
)
4762 struct nlattr
*pinfoattr
;
4764 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4768 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4769 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4770 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4771 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4772 goto nla_put_failure
;
4774 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4776 goto nla_put_failure
;
4777 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4778 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4780 goto nla_put_failure
;
4781 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4782 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4783 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4784 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4786 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4787 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4789 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4790 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4792 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4793 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4794 pinfo
->discovery_timeout
)) ||
4795 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4796 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4797 pinfo
->discovery_retries
)))
4798 goto nla_put_failure
;
4800 nla_nest_end(msg
, pinfoattr
);
4802 genlmsg_end(msg
, hdr
);
4806 genlmsg_cancel(msg
, hdr
);
4810 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4811 struct netlink_callback
*cb
)
4813 struct mpath_info pinfo
;
4814 struct cfg80211_registered_device
*rdev
;
4815 struct wireless_dev
*wdev
;
4817 u8 next_hop
[ETH_ALEN
];
4818 int path_idx
= cb
->args
[2];
4821 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4825 if (!rdev
->ops
->dump_mpath
) {
4830 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4836 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4843 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4844 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4845 wdev
->netdev
, dst
, next_hop
,
4853 cb
->args
[2] = path_idx
;
4856 nl80211_finish_wdev_dump(rdev
);
4860 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4862 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4864 struct net_device
*dev
= info
->user_ptr
[1];
4865 struct mpath_info pinfo
;
4866 struct sk_buff
*msg
;
4868 u8 next_hop
[ETH_ALEN
];
4870 memset(&pinfo
, 0, sizeof(pinfo
));
4872 if (!info
->attrs
[NL80211_ATTR_MAC
])
4875 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4877 if (!rdev
->ops
->get_mpath
)
4880 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4883 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4887 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4891 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4892 dev
, dst
, next_hop
, &pinfo
) < 0) {
4897 return genlmsg_reply(msg
, info
);
4900 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4902 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4903 struct net_device
*dev
= info
->user_ptr
[1];
4905 u8
*next_hop
= NULL
;
4907 if (!info
->attrs
[NL80211_ATTR_MAC
])
4910 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4913 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4914 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4916 if (!rdev
->ops
->change_mpath
)
4919 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4922 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4925 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4927 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4928 struct net_device
*dev
= info
->user_ptr
[1];
4930 u8
*next_hop
= NULL
;
4932 if (!info
->attrs
[NL80211_ATTR_MAC
])
4935 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4938 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4939 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4941 if (!rdev
->ops
->add_mpath
)
4944 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4947 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4950 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4952 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4953 struct net_device
*dev
= info
->user_ptr
[1];
4956 if (info
->attrs
[NL80211_ATTR_MAC
])
4957 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4959 if (!rdev
->ops
->del_mpath
)
4962 return rdev_del_mpath(rdev
, dev
, dst
);
4965 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4967 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4969 struct net_device
*dev
= info
->user_ptr
[1];
4970 struct mpath_info pinfo
;
4971 struct sk_buff
*msg
;
4975 memset(&pinfo
, 0, sizeof(pinfo
));
4977 if (!info
->attrs
[NL80211_ATTR_MAC
])
4980 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4982 if (!rdev
->ops
->get_mpp
)
4985 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4988 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4992 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4996 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4997 dev
, dst
, mpp
, &pinfo
) < 0) {
5002 return genlmsg_reply(msg
, info
);
5005 static int nl80211_dump_mpp(struct sk_buff
*skb
,
5006 struct netlink_callback
*cb
)
5008 struct mpath_info pinfo
;
5009 struct cfg80211_registered_device
*rdev
;
5010 struct wireless_dev
*wdev
;
5013 int path_idx
= cb
->args
[2];
5016 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5020 if (!rdev
->ops
->dump_mpp
) {
5025 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5031 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
5038 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5039 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5040 wdev
->netdev
, dst
, mpp
,
5048 cb
->args
[2] = path_idx
;
5051 nl80211_finish_wdev_dump(rdev
);
5055 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
5057 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5058 struct net_device
*dev
= info
->user_ptr
[1];
5059 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5060 struct bss_parameters params
;
5063 memset(¶ms
, 0, sizeof(params
));
5064 /* default to not changing parameters */
5065 params
.use_cts_prot
= -1;
5066 params
.use_short_preamble
= -1;
5067 params
.use_short_slot_time
= -1;
5068 params
.ap_isolate
= -1;
5069 params
.ht_opmode
= -1;
5070 params
.p2p_ctwindow
= -1;
5071 params
.p2p_opp_ps
= -1;
5073 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
5074 params
.use_cts_prot
=
5075 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
5076 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
5077 params
.use_short_preamble
=
5078 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
5079 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
5080 params
.use_short_slot_time
=
5081 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
5082 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5083 params
.basic_rates
=
5084 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5085 params
.basic_rates_len
=
5086 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5088 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5089 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5090 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5092 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5094 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5095 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5097 params
.p2p_ctwindow
=
5098 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5099 if (params
.p2p_ctwindow
< 0)
5101 if (params
.p2p_ctwindow
!= 0 &&
5102 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5106 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5109 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5111 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5114 params
.p2p_opp_ps
= tmp
;
5115 if (params
.p2p_opp_ps
&&
5116 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5120 if (!rdev
->ops
->change_bss
)
5123 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5124 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5128 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5134 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5138 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5142 * You should only get this when cfg80211 hasn't yet initialized
5143 * completely when built-in to the kernel right between the time
5144 * window between nl80211_init() and regulatory_init(), if that is
5147 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5148 return -EINPROGRESS
;
5150 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5151 user_reg_hint_type
=
5152 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5154 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5156 switch (user_reg_hint_type
) {
5157 case NL80211_USER_REG_HINT_USER
:
5158 case NL80211_USER_REG_HINT_CELL_BASE
:
5159 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5162 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5163 return regulatory_hint_user(data
, user_reg_hint_type
);
5164 case NL80211_USER_REG_HINT_INDOOR
:
5165 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5166 owner_nlportid
= info
->snd_portid
;
5167 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5173 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5179 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5180 struct genl_info
*info
)
5182 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5183 struct net_device
*dev
= info
->user_ptr
[1];
5184 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5185 struct mesh_config cur_params
;
5188 struct nlattr
*pinfoattr
;
5189 struct sk_buff
*msg
;
5191 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5194 if (!rdev
->ops
->get_mesh_config
)
5198 /* If not connected, get default parameters */
5199 if (!wdev
->mesh_id_len
)
5200 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5202 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5208 /* Draw up a netlink message to send back */
5209 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5212 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5213 NL80211_CMD_GET_MESH_CONFIG
);
5216 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5218 goto nla_put_failure
;
5219 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5220 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5221 cur_params
.dot11MeshRetryTimeout
) ||
5222 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5223 cur_params
.dot11MeshConfirmTimeout
) ||
5224 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5225 cur_params
.dot11MeshHoldingTimeout
) ||
5226 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5227 cur_params
.dot11MeshMaxPeerLinks
) ||
5228 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5229 cur_params
.dot11MeshMaxRetries
) ||
5230 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5231 cur_params
.dot11MeshTTL
) ||
5232 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5233 cur_params
.element_ttl
) ||
5234 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5235 cur_params
.auto_open_plinks
) ||
5236 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5237 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5238 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5239 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5240 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5241 cur_params
.path_refresh_time
) ||
5242 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5243 cur_params
.min_discovery_timeout
) ||
5244 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5245 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5246 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5247 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5248 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5249 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5250 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5251 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5252 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5253 cur_params
.dot11MeshHWMPRootMode
) ||
5254 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5255 cur_params
.dot11MeshHWMPRannInterval
) ||
5256 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5257 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5258 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5259 cur_params
.dot11MeshForwarding
) ||
5260 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5261 cur_params
.rssi_threshold
) ||
5262 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5263 cur_params
.ht_opmode
) ||
5264 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5265 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5266 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5267 cur_params
.dot11MeshHWMProotInterval
) ||
5268 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5269 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5270 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5271 cur_params
.power_mode
) ||
5272 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5273 cur_params
.dot11MeshAwakeWindowDuration
) ||
5274 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5275 cur_params
.plink_timeout
))
5276 goto nla_put_failure
;
5277 nla_nest_end(msg
, pinfoattr
);
5278 genlmsg_end(msg
, hdr
);
5279 return genlmsg_reply(msg
, info
);
5282 genlmsg_cancel(msg
, hdr
);
5288 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5289 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5290 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5291 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5292 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5293 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5294 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5295 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5296 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5297 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5298 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5299 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5300 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5301 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5302 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5303 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5304 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5305 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5306 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5307 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5308 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5309 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5310 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5311 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5312 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5313 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5314 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5315 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5316 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5319 static const struct nla_policy
5320 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5321 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5322 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5323 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5324 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5325 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5326 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5327 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5328 .len
= IEEE80211_MAX_DATA_LEN
},
5329 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5332 static int nl80211_check_bool(const struct nlattr
*nla
, u8 min
, u8 max
, bool *out
)
5334 u8 val
= nla_get_u8(nla
);
5335 if (val
< min
|| val
> max
)
5341 static int nl80211_check_u8(const struct nlattr
*nla
, u8 min
, u8 max
, u8
*out
)
5343 u8 val
= nla_get_u8(nla
);
5344 if (val
< min
|| val
> max
)
5350 static int nl80211_check_u16(const struct nlattr
*nla
, u16 min
, u16 max
, u16
*out
)
5352 u16 val
= nla_get_u16(nla
);
5353 if (val
< min
|| val
> max
)
5359 static int nl80211_check_u32(const struct nlattr
*nla
, u32 min
, u32 max
, u32
*out
)
5361 u32 val
= nla_get_u32(nla
);
5362 if (val
< min
|| val
> max
)
5368 static int nl80211_check_s32(const struct nlattr
*nla
, s32 min
, s32 max
, s32
*out
)
5370 s32 val
= nla_get_s32(nla
);
5371 if (val
< min
|| val
> max
)
5377 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5378 struct mesh_config
*cfg
,
5381 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5384 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5387 if (fn(tb[attr], min, max, &cfg->param)) \
5389 mask |= (1 << (attr - 1)); \
5393 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5395 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5396 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5397 nl80211_meshconf_params_policy
))
5400 /* This makes sure that there aren't more than 32 mesh config
5401 * parameters (otherwise our bitfield scheme would not work.) */
5402 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5404 /* Fill in the params struct */
5405 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5406 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5408 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5409 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5411 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5412 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5414 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5415 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5417 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5418 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5420 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5421 mask
, NL80211_MESHCONF_TTL
, nl80211_check_u8
);
5422 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5423 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5425 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5426 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5427 nl80211_check_bool
);
5428 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5430 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5432 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5433 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5435 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5436 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5438 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5439 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5441 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5443 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5445 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5447 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5449 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5451 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5453 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5454 dot11MeshHWMPnetDiameterTraversalTime
,
5456 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5458 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5459 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5461 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5462 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5464 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5465 dot11MeshGateAnnouncementProtocol
, 0, 1,
5466 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5467 nl80211_check_bool
);
5468 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5469 mask
, NL80211_MESHCONF_FORWARDING
,
5470 nl80211_check_bool
);
5471 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5472 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5474 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5475 mask
, NL80211_MESHCONF_HT_OPMODE
,
5477 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5479 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5481 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5482 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5484 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5485 dot11MeshHWMPconfirmationInterval
,
5487 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5489 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5490 NL80211_MESH_POWER_ACTIVE
,
5491 NL80211_MESH_POWER_MAX
,
5492 mask
, NL80211_MESHCONF_POWER_MODE
,
5494 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5496 NL80211_MESHCONF_AWAKE_WINDOW
, nl80211_check_u16
);
5497 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
5498 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5505 #undef FILL_IN_MESH_PARAM_IF_SET
5508 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5509 struct mesh_setup
*setup
)
5511 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5512 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5514 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5516 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5517 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5518 nl80211_mesh_setup_params_policy
))
5521 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5522 setup
->sync_method
=
5523 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5524 IEEE80211_SYNC_METHOD_VENDOR
:
5525 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5527 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5528 setup
->path_sel_proto
=
5529 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5530 IEEE80211_PATH_PROTOCOL_VENDOR
:
5531 IEEE80211_PATH_PROTOCOL_HWMP
;
5533 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5534 setup
->path_metric
=
5535 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5536 IEEE80211_PATH_METRIC_VENDOR
:
5537 IEEE80211_PATH_METRIC_AIRTIME
;
5539 if (tb
[NL80211_MESH_SETUP_IE
]) {
5540 struct nlattr
*ieattr
=
5541 tb
[NL80211_MESH_SETUP_IE
];
5542 if (!is_valid_ie_attr(ieattr
))
5544 setup
->ie
= nla_data(ieattr
);
5545 setup
->ie_len
= nla_len(ieattr
);
5547 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5548 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5550 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5551 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5552 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5553 if (setup
->is_secure
)
5554 setup
->user_mpm
= true;
5556 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5557 if (!setup
->user_mpm
)
5560 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5566 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5567 struct genl_info
*info
)
5569 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5570 struct net_device
*dev
= info
->user_ptr
[1];
5571 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5572 struct mesh_config cfg
;
5576 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5579 if (!rdev
->ops
->update_mesh_config
)
5582 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5587 if (!wdev
->mesh_id_len
)
5591 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5598 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
5599 struct sk_buff
*msg
)
5601 struct nlattr
*nl_reg_rules
;
5604 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5605 (regdom
->dfs_region
&&
5606 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5607 goto nla_put_failure
;
5609 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5611 goto nla_put_failure
;
5613 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5614 struct nlattr
*nl_reg_rule
;
5615 const struct ieee80211_reg_rule
*reg_rule
;
5616 const struct ieee80211_freq_range
*freq_range
;
5617 const struct ieee80211_power_rule
*power_rule
;
5618 unsigned int max_bandwidth_khz
;
5620 reg_rule
= ®dom
->reg_rules
[i
];
5621 freq_range
= ®_rule
->freq_range
;
5622 power_rule
= ®_rule
->power_rule
;
5624 nl_reg_rule
= nla_nest_start(msg
, i
);
5626 goto nla_put_failure
;
5628 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5629 if (!max_bandwidth_khz
)
5630 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5633 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5635 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5636 freq_range
->start_freq_khz
) ||
5637 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5638 freq_range
->end_freq_khz
) ||
5639 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5640 max_bandwidth_khz
) ||
5641 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5642 power_rule
->max_antenna_gain
) ||
5643 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5644 power_rule
->max_eirp
) ||
5645 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5646 reg_rule
->dfs_cac_ms
))
5647 goto nla_put_failure
;
5649 nla_nest_end(msg
, nl_reg_rule
);
5652 nla_nest_end(msg
, nl_reg_rules
);
5659 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
5661 const struct ieee80211_regdomain
*regdom
= NULL
;
5662 struct cfg80211_registered_device
*rdev
;
5663 struct wiphy
*wiphy
= NULL
;
5664 struct sk_buff
*msg
;
5667 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5671 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5672 NL80211_CMD_GET_REG
);
5676 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
5679 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
5682 return PTR_ERR(rdev
);
5685 wiphy
= &rdev
->wiphy
;
5686 self_managed
= wiphy
->regulatory_flags
&
5687 REGULATORY_WIPHY_SELF_MANAGED
;
5688 regdom
= get_wiphy_regdom(wiphy
);
5690 /* a self-managed-reg device must have a private regdom */
5691 if (WARN_ON(!regdom
&& self_managed
)) {
5697 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5698 goto nla_put_failure
;
5701 if (!wiphy
&& reg_last_request_cell_base() &&
5702 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5703 NL80211_USER_REG_HINT_CELL_BASE
))
5704 goto nla_put_failure
;
5709 regdom
= rcu_dereference(cfg80211_regdomain
);
5711 if (nl80211_put_regdom(regdom
, msg
))
5712 goto nla_put_failure_rcu
;
5716 genlmsg_end(msg
, hdr
);
5717 return genlmsg_reply(msg
, info
);
5719 nla_put_failure_rcu
:
5722 genlmsg_cancel(msg
, hdr
);
5728 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5729 u32 seq
, int flags
, struct wiphy
*wiphy
,
5730 const struct ieee80211_regdomain
*regdom
)
5732 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5733 NL80211_CMD_GET_REG
);
5738 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5740 if (nl80211_put_regdom(regdom
, msg
))
5741 goto nla_put_failure
;
5743 if (!wiphy
&& reg_last_request_cell_base() &&
5744 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5745 NL80211_USER_REG_HINT_CELL_BASE
))
5746 goto nla_put_failure
;
5749 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5750 goto nla_put_failure
;
5752 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
5753 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
5754 goto nla_put_failure
;
5756 genlmsg_end(msg
, hdr
);
5760 genlmsg_cancel(msg
, hdr
);
5764 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
5765 struct netlink_callback
*cb
)
5767 const struct ieee80211_regdomain
*regdom
= NULL
;
5768 struct cfg80211_registered_device
*rdev
;
5769 int err
, reg_idx
, start
= cb
->args
[2];
5773 if (cfg80211_regdomain
&& start
== 0) {
5774 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5776 rtnl_dereference(cfg80211_regdomain
));
5781 /* the global regdom is idx 0 */
5783 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
5784 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
5788 if (++reg_idx
<= start
)
5791 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5792 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
5799 cb
->args
[2] = reg_idx
;
5806 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
5807 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
5808 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
5809 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
5810 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
5811 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
5812 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
5813 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
5814 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
5817 static int parse_reg_rule(struct nlattr
*tb
[],
5818 struct ieee80211_reg_rule
*reg_rule
)
5820 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
5821 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
5823 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
5825 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
5827 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
5829 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
5831 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
5834 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
5836 freq_range
->start_freq_khz
=
5837 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
5838 freq_range
->end_freq_khz
=
5839 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
5840 freq_range
->max_bandwidth_khz
=
5841 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
5843 power_rule
->max_eirp
=
5844 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
5846 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
5847 power_rule
->max_antenna_gain
=
5848 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
5850 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
5851 reg_rule
->dfs_cac_ms
=
5852 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
5857 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5859 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5860 struct nlattr
*nl_reg_rule
;
5862 int rem_reg_rules
, r
;
5863 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5864 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5865 struct ieee80211_regdomain
*rd
;
5867 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5870 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5873 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5875 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5876 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5878 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5881 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5885 if (!reg_is_valid_request(alpha2
))
5888 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5889 num_rules
* sizeof(struct ieee80211_reg_rule
);
5891 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5895 rd
->n_reg_rules
= num_rules
;
5896 rd
->alpha2
[0] = alpha2
[0];
5897 rd
->alpha2
[1] = alpha2
[1];
5900 * Disable DFS master mode if the DFS region was
5901 * not supported or known on this kernel.
5903 if (reg_supported_dfs_region(dfs_region
))
5904 rd
->dfs_region
= dfs_region
;
5906 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5908 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5909 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5913 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5919 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5925 /* set_regdom takes ownership of rd */
5926 return set_regdom(rd
, REGD_SOURCE_CRDA
);
5931 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
5933 static int validate_scan_freqs(struct nlattr
*freqs
)
5935 struct nlattr
*attr1
, *attr2
;
5936 int n_channels
= 0, tmp1
, tmp2
;
5938 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5941 * Some hardware has a limited channel list for
5942 * scanning, and it is pretty much nonsensical
5943 * to scan for a channel twice, so disallow that
5944 * and don't require drivers to check that the
5945 * channel list they get isn't longer than what
5946 * they can scan, as long as they can scan all
5947 * the channels they registered at once.
5949 nla_for_each_nested(attr2
, freqs
, tmp2
)
5950 if (attr1
!= attr2
&&
5951 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5958 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
5960 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
5963 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
5964 struct cfg80211_bss_selection
*bss_select
)
5966 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
5967 struct nlattr
*nest
;
5972 /* only process one nested attribute */
5973 nest
= nla_data(nla
);
5974 if (!nla_ok(nest
, nla_len(nest
)))
5977 err
= nla_parse(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nla_data(nest
),
5978 nla_len(nest
), nl80211_bss_select_policy
);
5982 /* only one attribute may be given */
5983 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
5991 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
5993 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
5994 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
5996 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
5997 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
5998 bss_select
->param
.band_pref
=
5999 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
6000 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
6004 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
6005 struct nl80211_bss_select_rssi_adjust
*adj_param
;
6007 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
6008 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
6009 bss_select
->param
.adjust
.band
= adj_param
->band
;
6010 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
6011 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
6015 /* user-space did not provide behaviour attribute */
6016 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
6019 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
6025 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
6026 u8
*mac_addr
, u8
*mac_addr_mask
)
6030 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
6031 eth_zero_addr(mac_addr
);
6032 eth_zero_addr(mac_addr_mask
);
6034 mac_addr_mask
[0] = 0x3;
6039 /* need both or none */
6040 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
6043 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
6044 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
6046 /* don't allow or configure an mcast address */
6047 if (!is_multicast_ether_addr(mac_addr_mask
) ||
6048 is_multicast_ether_addr(mac_addr
))
6052 * allow users to pass a MAC address that has bits set outside
6053 * of the mask, but don't bother drivers with having to deal
6056 for (i
= 0; i
< ETH_ALEN
; i
++)
6057 mac_addr
[i
] &= mac_addr_mask
[i
];
6062 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6064 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6065 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6066 struct cfg80211_scan_request
*request
;
6067 struct nlattr
*attr
;
6068 struct wiphy
*wiphy
;
6069 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
6072 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6075 wiphy
= &rdev
->wiphy
;
6077 if (!rdev
->ops
->scan
)
6080 if (rdev
->scan_req
|| rdev
->scan_msg
) {
6085 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6086 n_channels
= validate_scan_freqs(
6087 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6093 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6096 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
6097 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
6100 if (n_ssids
> wiphy
->max_scan_ssids
) {
6105 if (info
->attrs
[NL80211_ATTR_IE
])
6106 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6110 if (ie_len
> wiphy
->max_scan_ie_len
) {
6115 request
= kzalloc(sizeof(*request
)
6116 + sizeof(*request
->ssids
) * n_ssids
6117 + sizeof(*request
->channels
) * n_channels
6118 + ie_len
, GFP_KERNEL
);
6125 request
->ssids
= (void *)&request
->channels
[n_channels
];
6126 request
->n_ssids
= n_ssids
;
6129 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6131 request
->ie
= (void *)(request
->channels
+ n_channels
);
6135 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6136 /* user specified, bail out if channel not found */
6137 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6138 struct ieee80211_channel
*chan
;
6140 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6147 /* ignore disabled channels */
6148 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6151 request
->channels
[i
] = chan
;
6155 enum nl80211_band band
;
6158 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6161 if (!wiphy
->bands
[band
])
6163 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6164 struct ieee80211_channel
*chan
;
6166 chan
= &wiphy
->bands
[band
]->channels
[j
];
6168 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6171 request
->channels
[i
] = chan
;
6182 request
->n_channels
= i
;
6186 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6187 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6191 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6192 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6197 if (info
->attrs
[NL80211_ATTR_IE
]) {
6198 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6199 memcpy((void *)request
->ie
,
6200 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6204 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6205 if (wiphy
->bands
[i
])
6207 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6209 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6210 nla_for_each_nested(attr
,
6211 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6213 enum nl80211_band band
= nla_type(attr
);
6215 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6220 if (!wiphy
->bands
[band
])
6223 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6226 &request
->rates
[band
]);
6232 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
6233 if (!wiphy_ext_feature_isset(wiphy
,
6234 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
6240 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
6241 request
->duration_mandatory
=
6242 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
6245 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6246 request
->flags
= nla_get_u32(
6247 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6248 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6249 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6254 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6255 if (!(wiphy
->features
&
6256 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
6261 if (wdev
->current_bss
) {
6266 err
= nl80211_parse_random_mac(info
->attrs
,
6268 request
->mac_addr_mask
);
6275 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6277 if (info
->attrs
[NL80211_ATTR_MAC
])
6278 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6281 eth_broadcast_addr(request
->bssid
);
6283 request
->wdev
= wdev
;
6284 request
->wiphy
= &rdev
->wiphy
;
6285 request
->scan_start
= jiffies
;
6287 rdev
->scan_req
= request
;
6288 err
= rdev_scan(rdev
, request
);
6291 nl80211_send_scan_start(rdev
, wdev
);
6293 dev_hold(wdev
->netdev
);
6296 rdev
->scan_req
= NULL
;
6304 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6306 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6307 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6309 if (!rdev
->ops
->abort_scan
)
6315 if (!rdev
->scan_req
)
6318 rdev_abort_scan(rdev
, wdev
);
6323 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
6324 struct cfg80211_sched_scan_request
*request
,
6325 struct nlattr
**attrs
)
6327 int tmp
, err
, i
= 0;
6328 struct nlattr
*attr
;
6330 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6334 * If scan plans are not specified,
6335 * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this
6336 * case one scan plan will be set with the specified scan
6337 * interval and infinite number of iterations.
6339 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6342 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
6346 request
->scan_plans
[0].interval
=
6347 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
6348 if (!request
->scan_plans
[0].interval
)
6351 if (request
->scan_plans
[0].interval
>
6352 wiphy
->max_sched_scan_plan_interval
)
6353 request
->scan_plans
[0].interval
=
6354 wiphy
->max_sched_scan_plan_interval
;
6359 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
6360 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
6362 if (WARN_ON(i
>= n_plans
))
6365 err
= nla_parse(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
6366 nla_data(attr
), nla_len(attr
),
6367 nl80211_plan_policy
);
6371 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
6374 request
->scan_plans
[i
].interval
=
6375 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
6376 if (!request
->scan_plans
[i
].interval
||
6377 request
->scan_plans
[i
].interval
>
6378 wiphy
->max_sched_scan_plan_interval
)
6381 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
6382 request
->scan_plans
[i
].iterations
=
6383 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
6384 if (!request
->scan_plans
[i
].iterations
||
6385 (request
->scan_plans
[i
].iterations
>
6386 wiphy
->max_sched_scan_plan_iterations
))
6388 } else if (i
< n_plans
- 1) {
6390 * All scan plans but the last one must specify
6391 * a finite number of iterations
6400 * The last scan plan must not specify the number of
6401 * iterations, it is supposed to run infinitely
6403 if (request
->scan_plans
[n_plans
- 1].iterations
)
6409 static struct cfg80211_sched_scan_request
*
6410 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6411 struct nlattr
**attrs
)
6413 struct cfg80211_sched_scan_request
*request
;
6414 struct nlattr
*attr
;
6415 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
6416 enum nl80211_band band
;
6418 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
6419 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
6421 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
6422 return ERR_PTR(-EINVAL
);
6424 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6425 n_channels
= validate_scan_freqs(
6426 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6428 return ERR_PTR(-EINVAL
);
6430 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6433 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
6434 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6438 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
6439 return ERR_PTR(-EINVAL
);
6442 * First, count the number of 'real' matchsets. Due to an issue with
6443 * the old implementation, matchsets containing only the RSSI attribute
6444 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
6445 * RSSI for all matchsets, rather than their own matchset for reporting
6446 * all APs with a strong RSSI. This is needed to be compatible with
6447 * older userspace that treated a matchset with only the RSSI as the
6448 * global RSSI for all other matchsets - if there are other matchsets.
6450 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6451 nla_for_each_nested(attr
,
6452 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6454 struct nlattr
*rssi
;
6456 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6457 nla_data(attr
), nla_len(attr
),
6458 nl80211_match_policy
);
6460 return ERR_PTR(err
);
6461 /* add other standalone attributes here */
6462 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
6466 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6468 default_match_rssi
= nla_get_s32(rssi
);
6472 /* However, if there's no other matchset, add the RSSI one */
6473 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
6476 if (n_match_sets
> wiphy
->max_match_sets
)
6477 return ERR_PTR(-EINVAL
);
6479 if (attrs
[NL80211_ATTR_IE
])
6480 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
6484 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
6485 return ERR_PTR(-EINVAL
);
6487 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6489 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
6490 * each scan plan already specifies its own interval
6492 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6493 return ERR_PTR(-EINVAL
);
6495 nla_for_each_nested(attr
,
6496 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
6500 * The scan interval attribute is kept for backward
6501 * compatibility. If no scan plans are specified and sched scan
6502 * interval is specified, one scan plan will be set with this
6503 * scan interval and infinite number of iterations.
6505 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6506 return ERR_PTR(-EINVAL
);
6511 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
6512 return ERR_PTR(-EINVAL
);
6514 request
= kzalloc(sizeof(*request
)
6515 + sizeof(*request
->ssids
) * n_ssids
6516 + sizeof(*request
->match_sets
) * n_match_sets
6517 + sizeof(*request
->scan_plans
) * n_plans
6518 + sizeof(*request
->channels
) * n_channels
6519 + ie_len
, GFP_KERNEL
);
6521 return ERR_PTR(-ENOMEM
);
6524 request
->ssids
= (void *)&request
->channels
[n_channels
];
6525 request
->n_ssids
= n_ssids
;
6528 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6530 request
->ie
= (void *)(request
->channels
+ n_channels
);
6535 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6537 request
->match_sets
=
6538 (void *)(request
->ssids
+ n_ssids
);
6540 request
->match_sets
=
6541 (void *)(request
->channels
+ n_channels
);
6543 request
->n_match_sets
= n_match_sets
;
6546 request
->scan_plans
= (void *)(request
->match_sets
+
6548 else if (request
->ie
)
6549 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
6551 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
6553 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
6555 request
->n_scan_plans
= n_plans
;
6558 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6559 /* user specified, bail out if channel not found */
6560 nla_for_each_nested(attr
,
6561 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6563 struct ieee80211_channel
*chan
;
6565 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6572 /* ignore disabled channels */
6573 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6576 request
->channels
[i
] = chan
;
6581 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6584 if (!wiphy
->bands
[band
])
6586 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6587 struct ieee80211_channel
*chan
;
6589 chan
= &wiphy
->bands
[band
]->channels
[j
];
6591 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6594 request
->channels
[i
] = chan
;
6605 request
->n_channels
= i
;
6609 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6611 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6615 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6616 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6623 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6624 nla_for_each_nested(attr
,
6625 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6627 struct nlattr
*ssid
, *rssi
;
6629 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6630 nla_data(attr
), nla_len(attr
),
6631 nl80211_match_policy
);
6634 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6636 if (WARN_ON(i
>= n_match_sets
)) {
6637 /* this indicates a programming error,
6638 * the loop above should have verified
6645 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6649 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6650 nla_data(ssid
), nla_len(ssid
));
6651 request
->match_sets
[i
].ssid
.ssid_len
=
6653 /* special attribute - old implementation w/a */
6654 request
->match_sets
[i
].rssi_thold
=
6656 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6658 request
->match_sets
[i
].rssi_thold
=
6664 /* there was no other matchset, so the RSSI one is alone */
6665 if (i
== 0 && n_match_sets
)
6666 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6668 request
->min_rssi_thold
= INT_MAX
;
6669 for (i
= 0; i
< n_match_sets
; i
++)
6670 request
->min_rssi_thold
=
6671 min(request
->match_sets
[i
].rssi_thold
,
6672 request
->min_rssi_thold
);
6674 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6678 request
->ie_len
= ie_len
;
6679 memcpy((void *)request
->ie
,
6680 nla_data(attrs
[NL80211_ATTR_IE
]),
6684 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6685 request
->flags
= nla_get_u32(
6686 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6687 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6688 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6693 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6694 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6696 if (!wdev
) /* must be net-detect */
6697 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6699 if (!(wiphy
->features
& flg
)) {
6704 if (wdev
&& wdev
->current_bss
) {
6709 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6710 request
->mac_addr_mask
);
6716 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
6718 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
6720 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
6724 request
->scan_start
= jiffies
;
6730 return ERR_PTR(err
);
6733 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6734 struct genl_info
*info
)
6736 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6737 struct net_device
*dev
= info
->user_ptr
[1];
6738 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6739 struct cfg80211_sched_scan_request
*sched_scan_req
;
6742 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6743 !rdev
->ops
->sched_scan_start
)
6746 if (rdev
->sched_scan_req
)
6747 return -EINPROGRESS
;
6749 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6752 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
6756 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
6760 sched_scan_req
->dev
= dev
;
6761 sched_scan_req
->wiphy
= &rdev
->wiphy
;
6763 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
6764 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
6766 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
6768 nl80211_send_sched_scan(rdev
, dev
,
6769 NL80211_CMD_START_SCHED_SCAN
);
6773 kfree(sched_scan_req
);
6778 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6779 struct genl_info
*info
)
6781 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6783 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6784 !rdev
->ops
->sched_scan_stop
)
6787 return __cfg80211_stop_sched_scan(rdev
, false);
6790 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6791 struct genl_info
*info
)
6793 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6794 struct net_device
*dev
= info
->user_ptr
[1];
6795 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6796 struct cfg80211_chan_def chandef
;
6797 enum nl80211_dfs_regions dfs_region
;
6798 unsigned int cac_time_ms
;
6801 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6802 if (dfs_region
== NL80211_DFS_UNSET
)
6805 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6809 if (netif_carrier_ok(dev
))
6812 if (wdev
->cac_started
)
6815 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6823 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6826 if (!rdev
->ops
->start_radar_detection
)
6829 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6830 if (WARN_ON(!cac_time_ms
))
6831 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6833 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
6835 wdev
->chandef
= chandef
;
6836 wdev
->cac_started
= true;
6837 wdev
->cac_start_time
= jiffies
;
6838 wdev
->cac_time_ms
= cac_time_ms
;
6843 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6845 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6846 struct net_device
*dev
= info
->user_ptr
[1];
6847 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6848 struct cfg80211_csa_settings params
;
6849 /* csa_attrs is defined static to avoid waste of stack size - this
6850 * function is called under RTNL lock, so this should not be a problem.
6852 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6854 bool need_new_beacon
= false;
6858 if (!rdev
->ops
->channel_switch
||
6859 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6862 switch (dev
->ieee80211_ptr
->iftype
) {
6863 case NL80211_IFTYPE_AP
:
6864 case NL80211_IFTYPE_P2P_GO
:
6865 need_new_beacon
= true;
6867 /* useless if AP is not running */
6868 if (!wdev
->beacon_interval
)
6871 case NL80211_IFTYPE_ADHOC
:
6872 if (!wdev
->ssid_len
)
6875 case NL80211_IFTYPE_MESH_POINT
:
6876 if (!wdev
->mesh_id_len
)
6883 memset(¶ms
, 0, sizeof(params
));
6885 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6886 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6889 /* only important for AP, IBSS and mesh create IEs internally */
6890 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6893 /* Even though the attribute is u32, the specification says
6894 * u8, so let's make sure we don't overflow.
6896 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6900 params
.count
= cs_count
;
6902 if (!need_new_beacon
)
6905 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6909 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6910 info
->attrs
[NL80211_ATTR_CSA_IES
],
6915 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6919 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6922 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6923 if (!len
|| (len
% sizeof(u16
)))
6926 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6927 if (rdev
->wiphy
.max_num_csa_counters
&&
6928 (params
.n_counter_offsets_beacon
>
6929 rdev
->wiphy
.max_num_csa_counters
))
6932 params
.counter_offsets_beacon
=
6933 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6935 /* sanity checks - counters should fit and be the same */
6936 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6937 u16 offset
= params
.counter_offsets_beacon
[i
];
6939 if (offset
>= params
.beacon_csa
.tail_len
)
6942 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6946 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6947 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6948 if (!len
|| (len
% sizeof(u16
)))
6951 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6952 if (rdev
->wiphy
.max_num_csa_counters
&&
6953 (params
.n_counter_offsets_beacon
>
6954 rdev
->wiphy
.max_num_csa_counters
))
6957 params
.counter_offsets_presp
=
6958 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6960 /* sanity checks - counters should fit and be the same */
6961 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6962 u16 offset
= params
.counter_offsets_presp
[i
];
6964 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6967 if (params
.beacon_csa
.probe_resp
[offset
] !=
6974 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6978 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
6982 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6989 params
.radar_required
= true;
6991 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6992 params
.block_tx
= true;
6995 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
7001 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
7003 struct cfg80211_registered_device
*rdev
,
7004 struct wireless_dev
*wdev
,
7005 struct cfg80211_internal_bss
*intbss
)
7007 struct cfg80211_bss
*res
= &intbss
->pub
;
7008 const struct cfg80211_bss_ies
*ies
;
7012 ASSERT_WDEV_LOCK(wdev
);
7014 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
7015 NL80211_CMD_NEW_SCAN_RESULTS
);
7019 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
7021 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
7022 goto nla_put_failure
;
7024 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
7025 goto nla_put_failure
;
7026 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
7028 goto nla_put_failure
;
7030 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
7032 goto nla_put_failure
;
7033 if ((!is_zero_ether_addr(res
->bssid
) &&
7034 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
7035 goto nla_put_failure
;
7038 /* indicate whether we have probe response data or not */
7039 if (rcu_access_pointer(res
->proberesp_ies
) &&
7040 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
7041 goto fail_unlock_rcu
;
7043 /* this pointer prefers to be pointed to probe response data
7044 * but is always valid
7046 ies
= rcu_dereference(res
->ies
);
7048 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
7050 goto fail_unlock_rcu
;
7051 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
7052 ies
->len
, ies
->data
))
7053 goto fail_unlock_rcu
;
7056 /* and this pointer is always (unless driver didn't know) beacon data */
7057 ies
= rcu_dereference(res
->beacon_ies
);
7058 if (ies
&& ies
->from_beacon
) {
7059 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
7061 goto fail_unlock_rcu
;
7062 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
7063 ies
->len
, ies
->data
))
7064 goto fail_unlock_rcu
;
7068 if (res
->beacon_interval
&&
7069 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
7070 goto nla_put_failure
;
7071 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
7072 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
7073 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
7074 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
7075 jiffies_to_msecs(jiffies
- intbss
->ts
)))
7076 goto nla_put_failure
;
7078 if (intbss
->parent_tsf
&&
7079 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
7080 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
7081 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
7082 intbss
->parent_bssid
)))
7083 goto nla_put_failure
;
7085 if (intbss
->ts_boottime
&&
7086 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
7087 intbss
->ts_boottime
, NL80211_BSS_PAD
))
7088 goto nla_put_failure
;
7090 switch (rdev
->wiphy
.signal_type
) {
7091 case CFG80211_SIGNAL_TYPE_MBM
:
7092 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
7093 goto nla_put_failure
;
7095 case CFG80211_SIGNAL_TYPE_UNSPEC
:
7096 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
7097 goto nla_put_failure
;
7103 switch (wdev
->iftype
) {
7104 case NL80211_IFTYPE_P2P_CLIENT
:
7105 case NL80211_IFTYPE_STATION
:
7106 if (intbss
== wdev
->current_bss
&&
7107 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7108 NL80211_BSS_STATUS_ASSOCIATED
))
7109 goto nla_put_failure
;
7111 case NL80211_IFTYPE_ADHOC
:
7112 if (intbss
== wdev
->current_bss
&&
7113 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7114 NL80211_BSS_STATUS_IBSS_JOINED
))
7115 goto nla_put_failure
;
7121 nla_nest_end(msg
, bss
);
7123 genlmsg_end(msg
, hdr
);
7129 genlmsg_cancel(msg
, hdr
);
7133 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7135 struct cfg80211_registered_device
*rdev
;
7136 struct cfg80211_internal_bss
*scan
;
7137 struct wireless_dev
*wdev
;
7138 int start
= cb
->args
[2], idx
= 0;
7141 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7146 spin_lock_bh(&rdev
->bss_lock
);
7147 cfg80211_bss_expire(rdev
);
7149 cb
->seq
= rdev
->bss_generation
;
7151 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7154 if (nl80211_send_bss(skb
, cb
,
7155 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7156 rdev
, wdev
, scan
) < 0) {
7162 spin_unlock_bh(&rdev
->bss_lock
);
7166 nl80211_finish_wdev_dump(rdev
);
7171 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7172 int flags
, struct net_device
*dev
,
7173 bool allow_radio_stats
,
7174 struct survey_info
*survey
)
7177 struct nlattr
*infoattr
;
7179 /* skip radio stats if userspace didn't request them */
7180 if (!survey
->channel
&& !allow_radio_stats
)
7183 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7184 NL80211_CMD_NEW_SURVEY_RESULTS
);
7188 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7189 goto nla_put_failure
;
7191 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7193 goto nla_put_failure
;
7195 if (survey
->channel
&&
7196 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7197 survey
->channel
->center_freq
))
7198 goto nla_put_failure
;
7200 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7201 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7202 goto nla_put_failure
;
7203 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7204 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7205 goto nla_put_failure
;
7206 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7207 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7208 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7209 goto nla_put_failure
;
7210 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7211 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7212 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7213 goto nla_put_failure
;
7214 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7215 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7216 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7217 goto nla_put_failure
;
7218 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7219 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7220 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7221 goto nla_put_failure
;
7222 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7223 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7224 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7225 goto nla_put_failure
;
7226 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7227 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7228 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7229 goto nla_put_failure
;
7231 nla_nest_end(msg
, infoattr
);
7233 genlmsg_end(msg
, hdr
);
7237 genlmsg_cancel(msg
, hdr
);
7241 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7243 struct survey_info survey
;
7244 struct cfg80211_registered_device
*rdev
;
7245 struct wireless_dev
*wdev
;
7246 int survey_idx
= cb
->args
[2];
7250 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7254 /* prepare_wdev_dump parsed the attributes */
7255 radio_stats
= nl80211_fam
.attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7257 if (!wdev
->netdev
) {
7262 if (!rdev
->ops
->dump_survey
) {
7268 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
7274 /* don't send disabled channels, but do send non-channel data */
7275 if (survey
.channel
&&
7276 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
7281 if (nl80211_send_survey(skb
,
7282 NETLINK_CB(cb
->skb
).portid
,
7283 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7284 wdev
->netdev
, radio_stats
, &survey
) < 0)
7290 cb
->args
[2] = survey_idx
;
7293 nl80211_finish_wdev_dump(rdev
);
7297 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
7299 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
7300 NL80211_WPA_VERSION_2
));
7303 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7305 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7306 struct net_device
*dev
= info
->user_ptr
[1];
7307 struct ieee80211_channel
*chan
;
7308 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
7309 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
7310 enum nl80211_auth_type auth_type
;
7311 struct key_parse key
;
7312 bool local_state_change
;
7314 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7317 if (!info
->attrs
[NL80211_ATTR_MAC
])
7320 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
7323 if (!info
->attrs
[NL80211_ATTR_SSID
])
7326 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7329 err
= nl80211_parse_key(info
, &key
);
7334 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
7336 if (!key
.p
.key
|| !key
.p
.key_len
)
7338 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
7339 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
7340 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
7341 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
7354 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
7355 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
7364 if (!rdev
->ops
->auth
)
7367 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7368 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7371 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7372 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7373 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7377 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7378 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7380 if (info
->attrs
[NL80211_ATTR_IE
]) {
7381 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7382 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7385 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7386 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
7389 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
7390 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
7393 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
7394 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
7396 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
7397 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
7398 /* need to include at least Auth Transaction and Status Code */
7399 if (sae_data_len
< 4)
7403 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7406 * Since we no longer track auth state, ignore
7407 * requests to only change local state.
7409 if (local_state_change
)
7412 wdev_lock(dev
->ieee80211_ptr
);
7413 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
7414 ssid
, ssid_len
, ie
, ie_len
,
7415 key
.p
.key
, key
.p
.key_len
, key
.idx
,
7416 sae_data
, sae_data_len
);
7417 wdev_unlock(dev
->ieee80211_ptr
);
7421 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
7422 struct genl_info
*info
,
7423 struct cfg80211_crypto_settings
*settings
,
7426 memset(settings
, 0, sizeof(*settings
));
7428 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
7430 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
7433 proto
= nla_get_u16(
7434 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
7435 settings
->control_port_ethertype
= cpu_to_be16(proto
);
7436 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
7439 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
7440 settings
->control_port_no_encrypt
= true;
7442 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
7444 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
7448 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7449 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7450 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
7452 if (len
% sizeof(u32
))
7455 if (settings
->n_ciphers_pairwise
> cipher_limit
)
7458 memcpy(settings
->ciphers_pairwise
, data
, len
);
7460 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
7461 if (!cfg80211_supported_cipher_suite(
7463 settings
->ciphers_pairwise
[i
]))
7467 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
7468 settings
->cipher_group
=
7469 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
7470 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
7471 settings
->cipher_group
))
7475 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
7476 settings
->wpa_versions
=
7477 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
7478 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
7482 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
7486 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7487 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7488 settings
->n_akm_suites
= len
/ sizeof(u32
);
7490 if (len
% sizeof(u32
))
7493 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
7496 memcpy(settings
->akm_suites
, data
, len
);
7502 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
7504 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7505 struct net_device
*dev
= info
->user_ptr
[1];
7506 struct ieee80211_channel
*chan
;
7507 struct cfg80211_assoc_request req
= {};
7508 const u8
*bssid
, *ssid
;
7509 int err
, ssid_len
= 0;
7511 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7514 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
7515 !info
->attrs
[NL80211_ATTR_SSID
] ||
7516 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7519 if (!rdev
->ops
->assoc
)
7522 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7523 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7526 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7528 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7529 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7533 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7534 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7536 if (info
->attrs
[NL80211_ATTR_IE
]) {
7537 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7538 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7541 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7542 enum nl80211_mfp mfp
=
7543 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7544 if (mfp
== NL80211_MFP_REQUIRED
)
7546 else if (mfp
!= NL80211_MFP_NO
)
7550 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
7551 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
7553 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7554 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
7556 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7557 memcpy(&req
.ht_capa_mask
,
7558 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7559 sizeof(req
.ht_capa_mask
));
7561 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7562 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7564 memcpy(&req
.ht_capa
,
7565 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7566 sizeof(req
.ht_capa
));
7569 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7570 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7572 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7573 memcpy(&req
.vht_capa_mask
,
7574 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7575 sizeof(req
.vht_capa_mask
));
7577 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7578 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7580 memcpy(&req
.vht_capa
,
7581 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7582 sizeof(req
.vht_capa
));
7585 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7586 if (!((rdev
->wiphy
.features
&
7587 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
7588 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
7589 !wiphy_ext_feature_isset(&rdev
->wiphy
,
7590 NL80211_EXT_FEATURE_RRM
))
7592 req
.flags
|= ASSOC_REQ_USE_RRM
;
7595 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
7597 wdev_lock(dev
->ieee80211_ptr
);
7598 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
7599 ssid
, ssid_len
, &req
);
7600 wdev_unlock(dev
->ieee80211_ptr
);
7606 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7608 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7609 struct net_device
*dev
= info
->user_ptr
[1];
7610 const u8
*ie
= NULL
, *bssid
;
7611 int ie_len
= 0, err
;
7613 bool local_state_change
;
7615 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7618 if (!info
->attrs
[NL80211_ATTR_MAC
])
7621 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7624 if (!rdev
->ops
->deauth
)
7627 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7628 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7631 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7633 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7634 if (reason_code
== 0) {
7635 /* Reason Code 0 is reserved */
7639 if (info
->attrs
[NL80211_ATTR_IE
]) {
7640 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7641 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7644 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7646 wdev_lock(dev
->ieee80211_ptr
);
7647 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7648 local_state_change
);
7649 wdev_unlock(dev
->ieee80211_ptr
);
7653 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7655 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7656 struct net_device
*dev
= info
->user_ptr
[1];
7657 const u8
*ie
= NULL
, *bssid
;
7658 int ie_len
= 0, err
;
7660 bool local_state_change
;
7662 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7665 if (!info
->attrs
[NL80211_ATTR_MAC
])
7668 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7671 if (!rdev
->ops
->disassoc
)
7674 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7675 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7678 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7680 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7681 if (reason_code
== 0) {
7682 /* Reason Code 0 is reserved */
7686 if (info
->attrs
[NL80211_ATTR_IE
]) {
7687 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7688 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7691 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7693 wdev_lock(dev
->ieee80211_ptr
);
7694 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7695 local_state_change
);
7696 wdev_unlock(dev
->ieee80211_ptr
);
7701 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7702 int mcast_rate
[NUM_NL80211_BANDS
],
7705 struct wiphy
*wiphy
= &rdev
->wiphy
;
7709 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7710 struct ieee80211_supported_band
*sband
;
7712 sband
= wiphy
->bands
[band
];
7716 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7717 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7718 mcast_rate
[band
] = i
+ 1;
7728 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7730 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7731 struct net_device
*dev
= info
->user_ptr
[1];
7732 struct cfg80211_ibss_params ibss
;
7733 struct wiphy
*wiphy
;
7734 struct cfg80211_cached_keys
*connkeys
= NULL
;
7737 memset(&ibss
, 0, sizeof(ibss
));
7739 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7742 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7743 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7746 ibss
.beacon_interval
= 100;
7748 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7749 ibss
.beacon_interval
=
7750 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7751 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7755 if (!rdev
->ops
->join_ibss
)
7758 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7761 wiphy
= &rdev
->wiphy
;
7763 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7764 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7766 if (!is_valid_ether_addr(ibss
.bssid
))
7769 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7770 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7772 if (info
->attrs
[NL80211_ATTR_IE
]) {
7773 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7774 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7777 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7781 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7782 NL80211_IFTYPE_ADHOC
))
7785 switch (ibss
.chandef
.width
) {
7786 case NL80211_CHAN_WIDTH_5
:
7787 case NL80211_CHAN_WIDTH_10
:
7788 case NL80211_CHAN_WIDTH_20_NOHT
:
7790 case NL80211_CHAN_WIDTH_20
:
7791 case NL80211_CHAN_WIDTH_40
:
7792 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7795 case NL80211_CHAN_WIDTH_80
:
7796 case NL80211_CHAN_WIDTH_80P80
:
7797 case NL80211_CHAN_WIDTH_160
:
7798 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7800 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
7801 NL80211_EXT_FEATURE_VHT_IBSS
))
7808 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7809 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7811 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7813 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7815 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7816 struct ieee80211_supported_band
*sband
=
7817 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7819 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7825 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7826 memcpy(&ibss
.ht_capa_mask
,
7827 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7828 sizeof(ibss
.ht_capa_mask
));
7830 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7831 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7833 memcpy(&ibss
.ht_capa
,
7834 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7835 sizeof(ibss
.ht_capa
));
7838 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7839 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7840 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7843 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7846 connkeys
= nl80211_parse_connkeys(rdev
,
7847 info
->attrs
[NL80211_ATTR_KEYS
],
7849 if (IS_ERR(connkeys
))
7850 return PTR_ERR(connkeys
);
7852 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7860 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7862 ibss
.userspace_handles_dfs
=
7863 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7865 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7871 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7873 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7874 struct net_device
*dev
= info
->user_ptr
[1];
7876 if (!rdev
->ops
->leave_ibss
)
7879 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7882 return cfg80211_leave_ibss(rdev
, dev
, false);
7885 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7887 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7888 struct net_device
*dev
= info
->user_ptr
[1];
7889 int mcast_rate
[NUM_NL80211_BANDS
];
7893 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7894 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
7895 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
7898 if (!rdev
->ops
->set_mcast_rate
)
7901 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7903 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7906 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7907 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7910 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
7915 static struct sk_buff
*
7916 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7917 struct wireless_dev
*wdev
, int approxlen
,
7918 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
7919 enum nl80211_attrs attr
,
7920 const struct nl80211_vendor_cmd_info
*info
,
7923 struct sk_buff
*skb
;
7925 struct nlattr
*data
;
7927 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7931 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7937 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7938 goto nla_put_failure
;
7941 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7943 goto nla_put_failure
;
7944 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7946 goto nla_put_failure
;
7950 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
7951 wdev_id(wdev
), NL80211_ATTR_PAD
))
7952 goto nla_put_failure
;
7954 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
7955 wdev
->netdev
->ifindex
))
7956 goto nla_put_failure
;
7959 data
= nla_nest_start(skb
, attr
);
7961 ((void **)skb
->cb
)[0] = rdev
;
7962 ((void **)skb
->cb
)[1] = hdr
;
7963 ((void **)skb
->cb
)[2] = data
;
7972 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7973 struct wireless_dev
*wdev
,
7974 enum nl80211_commands cmd
,
7975 enum nl80211_attrs attr
,
7976 int vendor_event_idx
,
7977 int approxlen
, gfp_t gfp
)
7979 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7980 const struct nl80211_vendor_cmd_info
*info
;
7983 case NL80211_CMD_TESTMODE
:
7984 if (WARN_ON(vendor_event_idx
!= -1))
7988 case NL80211_CMD_VENDOR
:
7989 if (WARN_ON(vendor_event_idx
< 0 ||
7990 vendor_event_idx
>= wiphy
->n_vendor_events
))
7992 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7999 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
8000 cmd
, attr
, info
, gfp
);
8002 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
8004 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
8006 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8007 void *hdr
= ((void **)skb
->cb
)[1];
8008 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8009 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
8011 /* clear CB data for netlink core to own from now on */
8012 memset(skb
->cb
, 0, sizeof(skb
->cb
));
8014 nla_nest_end(skb
, data
);
8015 genlmsg_end(skb
, hdr
);
8017 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
8018 mcgrp
= NL80211_MCGRP_VENDOR
;
8020 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
8023 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
8025 #ifdef CONFIG_NL80211_TESTMODE
8026 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
8028 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8029 struct wireless_dev
*wdev
=
8030 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8033 if (!rdev
->ops
->testmode_cmd
)
8037 err
= PTR_ERR(wdev
);
8041 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8045 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
8048 rdev
->cur_cmd_info
= info
;
8049 err
= rdev_testmode_cmd(rdev
, wdev
,
8050 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
8051 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
8052 rdev
->cur_cmd_info
= NULL
;
8057 static int nl80211_testmode_dump(struct sk_buff
*skb
,
8058 struct netlink_callback
*cb
)
8060 struct cfg80211_registered_device
*rdev
;
8070 * 0 is a valid index, but not valid for args[0],
8071 * so we need to offset by 1.
8073 phy_idx
= cb
->args
[0] - 1;
8075 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
8076 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
8081 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
8082 nl80211_fam
.attrbuf
);
8084 err
= PTR_ERR(rdev
);
8087 phy_idx
= rdev
->wiphy_idx
;
8090 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
8092 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
8096 data
= nla_data((void *)cb
->args
[1]);
8097 data_len
= nla_len((void *)cb
->args
[1]);
8100 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
8106 if (!rdev
->ops
->testmode_dump
) {
8112 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
8113 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8114 NL80211_CMD_TESTMODE
);
8115 struct nlattr
*tmdata
;
8120 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
8121 genlmsg_cancel(skb
, hdr
);
8125 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
8127 genlmsg_cancel(skb
, hdr
);
8130 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
8131 nla_nest_end(skb
, tmdata
);
8133 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
8134 genlmsg_cancel(skb
, hdr
);
8137 genlmsg_cancel(skb
, hdr
);
8141 genlmsg_end(skb
, hdr
);
8146 cb
->args
[0] = phy_idx
+ 1;
8153 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8155 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8156 struct net_device
*dev
= info
->user_ptr
[1];
8157 struct cfg80211_connect_params connect
;
8158 struct wiphy
*wiphy
;
8159 struct cfg80211_cached_keys
*connkeys
= NULL
;
8162 memset(&connect
, 0, sizeof(connect
));
8164 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8167 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8168 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8171 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8173 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8174 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8175 NL80211_CMD_CONNECT
))
8178 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8180 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8182 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8183 NL80211_MAX_NR_CIPHER_SUITES
);
8187 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8188 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8191 wiphy
= &rdev
->wiphy
;
8193 connect
.bg_scan_period
= -1;
8194 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8195 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8196 connect
.bg_scan_period
=
8197 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8200 if (info
->attrs
[NL80211_ATTR_MAC
])
8201 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8202 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8203 connect
.bssid_hint
=
8204 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8205 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8206 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8208 if (info
->attrs
[NL80211_ATTR_IE
]) {
8209 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8210 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8213 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8214 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8215 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
8216 connect
.mfp
!= NL80211_MFP_NO
)
8219 connect
.mfp
= NL80211_MFP_NO
;
8222 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8223 connect
.prev_bssid
=
8224 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8226 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8227 connect
.channel
= nl80211_get_valid_chan(
8228 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8229 if (!connect
.channel
)
8231 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
8232 connect
.channel_hint
= nl80211_get_valid_chan(
8233 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
8234 if (!connect
.channel_hint
)
8238 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8239 connkeys
= nl80211_parse_connkeys(rdev
,
8240 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
8241 if (IS_ERR(connkeys
))
8242 return PTR_ERR(connkeys
);
8245 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8246 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
8248 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8249 memcpy(&connect
.ht_capa_mask
,
8250 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8251 sizeof(connect
.ht_capa_mask
));
8253 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8254 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
8258 memcpy(&connect
.ht_capa
,
8259 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8260 sizeof(connect
.ht_capa
));
8263 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8264 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8266 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8267 memcpy(&connect
.vht_capa_mask
,
8268 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8269 sizeof(connect
.vht_capa_mask
));
8271 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8272 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
8276 memcpy(&connect
.vht_capa
,
8277 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8278 sizeof(connect
.vht_capa
));
8281 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8282 if (!((rdev
->wiphy
.features
&
8283 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8284 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8285 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8286 NL80211_EXT_FEATURE_RRM
)) {
8290 connect
.flags
|= ASSOC_REQ_USE_RRM
;
8293 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
8294 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
8299 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
8300 /* bss selection makes no sense if bssid is set */
8301 if (connect
.bssid
) {
8306 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
8307 wiphy
, &connect
.bss_select
);
8314 wdev_lock(dev
->ieee80211_ptr
);
8315 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
8316 connect
.prev_bssid
);
8317 wdev_unlock(dev
->ieee80211_ptr
);
8323 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
8325 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8326 struct net_device
*dev
= info
->user_ptr
[1];
8330 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8331 reason
= WLAN_REASON_DEAUTH_LEAVING
;
8333 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8338 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8339 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8342 wdev_lock(dev
->ieee80211_ptr
);
8343 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
8344 wdev_unlock(dev
->ieee80211_ptr
);
8348 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
8350 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8354 if (info
->attrs
[NL80211_ATTR_PID
]) {
8355 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
8357 net
= get_net_ns_by_pid(pid
);
8358 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
8359 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
8361 net
= get_net_ns_by_fd(fd
);
8367 return PTR_ERR(net
);
8371 /* check if anything to do */
8372 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
8373 err
= cfg80211_switch_netns(rdev
, net
);
8379 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8381 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8382 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
8383 struct cfg80211_pmksa
*pmksa
) = NULL
;
8384 struct net_device
*dev
= info
->user_ptr
[1];
8385 struct cfg80211_pmksa pmksa
;
8387 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
8389 if (!info
->attrs
[NL80211_ATTR_MAC
])
8392 if (!info
->attrs
[NL80211_ATTR_PMKID
])
8395 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
8396 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8398 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8399 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8402 switch (info
->genlhdr
->cmd
) {
8403 case NL80211_CMD_SET_PMKSA
:
8404 rdev_ops
= rdev
->ops
->set_pmksa
;
8406 case NL80211_CMD_DEL_PMKSA
:
8407 rdev_ops
= rdev
->ops
->del_pmksa
;
8417 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
8420 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8422 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8423 struct net_device
*dev
= info
->user_ptr
[1];
8425 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8426 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8429 if (!rdev
->ops
->flush_pmksa
)
8432 return rdev_flush_pmksa(rdev
, dev
);
8435 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8437 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8438 struct net_device
*dev
= info
->user_ptr
[1];
8439 u8 action_code
, dialog_token
;
8440 u32 peer_capability
= 0;
8445 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8446 !rdev
->ops
->tdls_mgmt
)
8449 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
8450 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
8451 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
8452 !info
->attrs
[NL80211_ATTR_IE
] ||
8453 !info
->attrs
[NL80211_ATTR_MAC
])
8456 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8457 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
8458 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
8459 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
8460 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
8461 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
8463 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
8465 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
8466 dialog_token
, status_code
, peer_capability
,
8468 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
8469 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
8472 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
8474 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8475 struct net_device
*dev
= info
->user_ptr
[1];
8476 enum nl80211_tdls_operation operation
;
8479 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8480 !rdev
->ops
->tdls_oper
)
8483 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
8484 !info
->attrs
[NL80211_ATTR_MAC
])
8487 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
8488 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8490 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
8493 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
8494 struct genl_info
*info
)
8496 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8497 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8498 struct cfg80211_chan_def chandef
;
8499 struct sk_buff
*msg
;
8505 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
8506 !info
->attrs
[NL80211_ATTR_DURATION
])
8509 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8511 if (!rdev
->ops
->remain_on_channel
||
8512 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
8516 * We should be on that channel for at least a minimum amount of
8517 * time (10ms) but no longer than the driver supports.
8519 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8520 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
8523 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8527 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8531 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8532 NL80211_CMD_REMAIN_ON_CHANNEL
);
8538 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
8544 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
8546 goto nla_put_failure
;
8548 genlmsg_end(msg
, hdr
);
8550 return genlmsg_reply(msg
, info
);
8559 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
8560 struct genl_info
*info
)
8562 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8563 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8566 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8569 if (!rdev
->ops
->cancel_remain_on_channel
)
8572 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8574 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
8577 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
8578 u8
*rates
, u8 rates_len
)
8583 for (i
= 0; i
< rates_len
; i
++) {
8584 int rate
= (rates
[i
] & 0x7f) * 5;
8587 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
8588 struct ieee80211_rate
*srate
=
8589 &sband
->bitrates
[ridx
];
8590 if (rate
== srate
->bitrate
) {
8595 if (ridx
== sband
->n_bitrates
)
8596 return 0; /* rate not found */
8602 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
8603 u8
*rates
, u8 rates_len
,
8604 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
8608 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
8610 for (i
= 0; i
< rates_len
; i
++) {
8613 ridx
= rates
[i
] / 8;
8614 rbit
= BIT(rates
[i
] % 8);
8616 /* check validity */
8617 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
8620 /* check availability */
8621 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
8630 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
8634 switch (vht_mcs_map
) {
8635 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
8637 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
8640 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
8643 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
8653 static void vht_build_mcs_mask(u16 vht_mcs_map
,
8654 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
8658 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8659 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8664 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8665 struct nl80211_txrate_vht
*txrate
,
8666 u16 mcs
[NL80211_VHT_NSS_MAX
])
8668 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8669 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8672 if (!sband
->vht_cap
.vht_supported
)
8675 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8677 /* Build vht_mcs_mask from VHT capabilities */
8678 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8680 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8681 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8682 mcs
[i
] = txrate
->mcs
[i
];
8690 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8691 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8692 .len
= NL80211_MAX_SUPP_RATES
},
8693 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8694 .len
= NL80211_MAX_SUPP_HT_RATES
},
8695 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8696 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8699 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8700 struct genl_info
*info
)
8702 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8703 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8704 struct cfg80211_bitrate_mask mask
;
8706 struct net_device
*dev
= info
->user_ptr
[1];
8707 struct nlattr
*tx_rates
;
8708 struct ieee80211_supported_band
*sband
;
8711 if (!rdev
->ops
->set_bitrate_mask
)
8714 memset(&mask
, 0, sizeof(mask
));
8715 /* Default to all rates enabled */
8716 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
8717 sband
= rdev
->wiphy
.bands
[i
];
8722 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8723 memcpy(mask
.control
[i
].ht_mcs
,
8724 sband
->ht_cap
.mcs
.rx_mask
,
8725 sizeof(mask
.control
[i
].ht_mcs
));
8727 if (!sband
->vht_cap
.vht_supported
)
8730 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8731 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8734 /* if no rates are given set it back to the defaults */
8735 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8739 * The nested attribute uses enum nl80211_band as the index. This maps
8740 * directly to the enum nl80211_band values used in cfg80211.
8742 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8743 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8744 enum nl80211_band band
= nla_type(tx_rates
);
8747 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
8749 sband
= rdev
->wiphy
.bands
[band
];
8752 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8753 nla_len(tx_rates
), nl80211_txattr_policy
);
8756 if (tb
[NL80211_TXRATE_LEGACY
]) {
8757 mask
.control
[band
].legacy
= rateset_to_mask(
8759 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8760 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8761 if ((mask
.control
[band
].legacy
== 0) &&
8762 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8765 if (tb
[NL80211_TXRATE_HT
]) {
8766 if (!ht_rateset_to_mask(
8768 nla_data(tb
[NL80211_TXRATE_HT
]),
8769 nla_len(tb
[NL80211_TXRATE_HT
]),
8770 mask
.control
[band
].ht_mcs
))
8773 if (tb
[NL80211_TXRATE_VHT
]) {
8774 if (!vht_set_mcs_mask(
8776 nla_data(tb
[NL80211_TXRATE_VHT
]),
8777 mask
.control
[band
].vht_mcs
))
8780 if (tb
[NL80211_TXRATE_GI
]) {
8781 mask
.control
[band
].gi
=
8782 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8783 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8787 if (mask
.control
[band
].legacy
== 0) {
8788 /* don't allow empty legacy rates if HT or VHT
8789 * are not even supported.
8791 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8792 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8795 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8796 if (mask
.control
[band
].ht_mcs
[i
])
8799 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8800 if (mask
.control
[band
].vht_mcs
[i
])
8803 /* legacy and mcs rates may not be both empty */
8809 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8812 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8814 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8815 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8816 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8818 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8821 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8822 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8824 switch (wdev
->iftype
) {
8825 case NL80211_IFTYPE_STATION
:
8826 case NL80211_IFTYPE_ADHOC
:
8827 case NL80211_IFTYPE_P2P_CLIENT
:
8828 case NL80211_IFTYPE_AP
:
8829 case NL80211_IFTYPE_AP_VLAN
:
8830 case NL80211_IFTYPE_MESH_POINT
:
8831 case NL80211_IFTYPE_P2P_GO
:
8832 case NL80211_IFTYPE_P2P_DEVICE
:
8838 /* not much point in registering if we can't reply */
8839 if (!rdev
->ops
->mgmt_tx
)
8842 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8843 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8844 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8847 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8849 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8850 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8851 struct cfg80211_chan_def chandef
;
8855 struct sk_buff
*msg
= NULL
;
8856 struct cfg80211_mgmt_tx_params params
= {
8857 .dont_wait_for_ack
=
8858 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8861 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8864 if (!rdev
->ops
->mgmt_tx
)
8867 switch (wdev
->iftype
) {
8868 case NL80211_IFTYPE_P2P_DEVICE
:
8869 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8871 case NL80211_IFTYPE_STATION
:
8872 case NL80211_IFTYPE_ADHOC
:
8873 case NL80211_IFTYPE_P2P_CLIENT
:
8874 case NL80211_IFTYPE_AP
:
8875 case NL80211_IFTYPE_AP_VLAN
:
8876 case NL80211_IFTYPE_MESH_POINT
:
8877 case NL80211_IFTYPE_P2P_GO
:
8883 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8884 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8886 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8889 * We should wait on the channel for at least a minimum amount
8890 * of time (10ms) but no longer than the driver supports.
8892 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8893 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8897 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8899 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8902 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8904 /* get the channel if any has been specified, otherwise pass NULL to
8905 * the driver. The latter will use the current one
8907 chandef
.chan
= NULL
;
8908 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8909 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8914 if (!chandef
.chan
&& params
.offchan
)
8917 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8918 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8920 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8921 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8924 if (len
% sizeof(u16
))
8927 params
.n_csa_offsets
= len
/ sizeof(u16
);
8928 params
.csa_offsets
=
8929 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8931 /* check that all the offsets fit the frame */
8932 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8933 if (params
.csa_offsets
[i
] >= params
.len
)
8938 if (!params
.dont_wait_for_ack
) {
8939 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8943 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8951 params
.chan
= chandef
.chan
;
8952 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8957 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
8959 goto nla_put_failure
;
8961 genlmsg_end(msg
, hdr
);
8962 return genlmsg_reply(msg
, info
);
8974 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8976 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8977 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8980 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8983 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8986 switch (wdev
->iftype
) {
8987 case NL80211_IFTYPE_STATION
:
8988 case NL80211_IFTYPE_ADHOC
:
8989 case NL80211_IFTYPE_P2P_CLIENT
:
8990 case NL80211_IFTYPE_AP
:
8991 case NL80211_IFTYPE_AP_VLAN
:
8992 case NL80211_IFTYPE_P2P_GO
:
8993 case NL80211_IFTYPE_P2P_DEVICE
:
8999 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9001 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
9004 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9006 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9007 struct wireless_dev
*wdev
;
9008 struct net_device
*dev
= info
->user_ptr
[1];
9013 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
9016 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
9018 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
9021 wdev
= dev
->ieee80211_ptr
;
9023 if (!rdev
->ops
->set_power_mgmt
)
9026 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
9028 if (state
== wdev
->ps
)
9031 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
9037 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9039 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9040 enum nl80211_ps_state ps_state
;
9041 struct wireless_dev
*wdev
;
9042 struct net_device
*dev
= info
->user_ptr
[1];
9043 struct sk_buff
*msg
;
9047 wdev
= dev
->ieee80211_ptr
;
9049 if (!rdev
->ops
->set_power_mgmt
)
9052 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9056 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9057 NL80211_CMD_GET_POWER_SAVE
);
9064 ps_state
= NL80211_PS_ENABLED
;
9066 ps_state
= NL80211_PS_DISABLED
;
9068 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
9069 goto nla_put_failure
;
9071 genlmsg_end(msg
, hdr
);
9072 return genlmsg_reply(msg
, info
);
9081 static const struct nla_policy
9082 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
9083 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
9084 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
9085 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
9086 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
9087 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
9088 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
9091 static int nl80211_set_cqm_txe(struct genl_info
*info
,
9092 u32 rate
, u32 pkts
, u32 intvl
)
9094 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9095 struct net_device
*dev
= info
->user_ptr
[1];
9096 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9098 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
9101 if (!rdev
->ops
->set_cqm_txe_config
)
9104 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9105 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9108 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
9111 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
9112 s32 threshold
, u32 hysteresis
)
9114 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9115 struct net_device
*dev
= info
->user_ptr
[1];
9116 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9121 /* disabling - hysteresis should also be zero then */
9125 if (!rdev
->ops
->set_cqm_rssi_config
)
9128 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9129 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9132 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
9135 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
9137 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
9141 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
9145 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
9146 nl80211_attr_cqm_policy
);
9150 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9151 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9152 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9153 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9155 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
9158 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9159 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9160 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9161 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9162 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9163 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9165 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9171 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9173 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9174 struct net_device
*dev
= info
->user_ptr
[1];
9175 struct ocb_setup setup
= {};
9178 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9182 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9185 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9187 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9188 struct net_device
*dev
= info
->user_ptr
[1];
9190 return cfg80211_leave_ocb(rdev
, dev
);
9193 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9195 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9196 struct net_device
*dev
= info
->user_ptr
[1];
9197 struct mesh_config cfg
;
9198 struct mesh_setup setup
;
9201 /* start with default */
9202 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9203 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9205 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9206 /* and parse parameters if given */
9207 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9212 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9213 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9216 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9217 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9219 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9220 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
9221 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
9224 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
9225 setup
.beacon_interval
=
9226 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
9227 if (setup
.beacon_interval
< 10 ||
9228 setup
.beacon_interval
> 10000)
9232 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
9234 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
9235 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
9239 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
9240 /* parse additional setup parameters if given */
9241 err
= nl80211_parse_mesh_setup(info
, &setup
);
9247 cfg
.auto_open_plinks
= false;
9249 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9250 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9254 /* cfg80211_join_mesh() will sort it out */
9255 setup
.chandef
.chan
= NULL
;
9258 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
9259 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9261 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9262 struct ieee80211_supported_band
*sband
;
9264 if (!setup
.chandef
.chan
)
9267 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
9269 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
9270 &setup
.basic_rates
);
9275 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
9278 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9280 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9281 struct net_device
*dev
= info
->user_ptr
[1];
9283 return cfg80211_leave_mesh(rdev
, dev
);
9287 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
9288 struct cfg80211_registered_device
*rdev
)
9290 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
9291 struct nlattr
*nl_pats
, *nl_pat
;
9294 if (!wowlan
->n_patterns
)
9297 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
9301 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
9302 nl_pat
= nla_nest_start(msg
, i
+ 1);
9305 pat_len
= wowlan
->patterns
[i
].pattern_len
;
9306 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
9307 wowlan
->patterns
[i
].mask
) ||
9308 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9309 wowlan
->patterns
[i
].pattern
) ||
9310 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9311 wowlan
->patterns
[i
].pkt_offset
))
9313 nla_nest_end(msg
, nl_pat
);
9315 nla_nest_end(msg
, nl_pats
);
9320 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
9321 struct cfg80211_wowlan_tcp
*tcp
)
9323 struct nlattr
*nl_tcp
;
9328 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
9332 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
9333 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
9334 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
9335 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
9336 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
9337 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
9338 tcp
->payload_len
, tcp
->payload
) ||
9339 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
9340 tcp
->data_interval
) ||
9341 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
9342 tcp
->wake_len
, tcp
->wake_data
) ||
9343 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
9344 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
9347 if (tcp
->payload_seq
.len
&&
9348 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
9349 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
9352 if (tcp
->payload_tok
.len
&&
9353 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
9354 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
9358 nla_nest_end(msg
, nl_tcp
);
9363 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
9364 struct cfg80211_sched_scan_request
*req
)
9366 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
9372 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
9376 if (req
->n_scan_plans
== 1 &&
9377 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
9378 req
->scan_plans
[0].interval
* 1000))
9381 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
9384 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9388 for (i
= 0; i
< req
->n_channels
; i
++)
9389 nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
);
9391 nla_nest_end(msg
, freqs
);
9393 if (req
->n_match_sets
) {
9394 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
9395 for (i
= 0; i
< req
->n_match_sets
; i
++) {
9396 match
= nla_nest_start(msg
, i
);
9397 nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
9398 req
->match_sets
[i
].ssid
.ssid_len
,
9399 req
->match_sets
[i
].ssid
.ssid
);
9400 nla_nest_end(msg
, match
);
9402 nla_nest_end(msg
, matches
);
9405 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
9409 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
9410 scan_plan
= nla_nest_start(msg
, i
+ 1);
9412 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
9413 req
->scan_plans
[i
].interval
) ||
9414 (req
->scan_plans
[i
].iterations
&&
9415 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
9416 req
->scan_plans
[i
].iterations
)))
9418 nla_nest_end(msg
, scan_plan
);
9420 nla_nest_end(msg
, scan_plans
);
9422 nla_nest_end(msg
, nd
);
9427 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9429 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9430 struct sk_buff
*msg
;
9432 u32 size
= NLMSG_DEFAULT_SIZE
;
9434 if (!rdev
->wiphy
.wowlan
)
9437 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
9438 /* adjust size to have room for all the data */
9439 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
9440 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
9441 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
9442 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
9445 msg
= nlmsg_new(size
, GFP_KERNEL
);
9449 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9450 NL80211_CMD_GET_WOWLAN
);
9452 goto nla_put_failure
;
9454 if (rdev
->wiphy
.wowlan_config
) {
9455 struct nlattr
*nl_wowlan
;
9457 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
9459 goto nla_put_failure
;
9461 if ((rdev
->wiphy
.wowlan_config
->any
&&
9462 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
9463 (rdev
->wiphy
.wowlan_config
->disconnect
&&
9464 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
9465 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
9466 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
9467 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
9468 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
9469 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
9470 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
9471 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
9472 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
9473 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
9474 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
9475 goto nla_put_failure
;
9477 if (nl80211_send_wowlan_patterns(msg
, rdev
))
9478 goto nla_put_failure
;
9480 if (nl80211_send_wowlan_tcp(msg
,
9481 rdev
->wiphy
.wowlan_config
->tcp
))
9482 goto nla_put_failure
;
9484 if (nl80211_send_wowlan_nd(
9486 rdev
->wiphy
.wowlan_config
->nd_config
))
9487 goto nla_put_failure
;
9489 nla_nest_end(msg
, nl_wowlan
);
9492 genlmsg_end(msg
, hdr
);
9493 return genlmsg_reply(msg
, info
);
9500 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
9501 struct nlattr
*attr
,
9502 struct cfg80211_wowlan
*trig
)
9504 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
9505 struct cfg80211_wowlan_tcp
*cfg
;
9506 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
9507 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
9509 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
9512 if (!rdev
->wiphy
.wowlan
->tcp
)
9515 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
9516 nla_data(attr
), nla_len(attr
),
9517 nl80211_wowlan_tcp_policy
);
9521 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
9522 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
9523 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
9524 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
9525 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
9526 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
9527 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
9528 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
9531 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
9532 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
9535 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
9536 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
9537 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
9540 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
9541 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
9544 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
9545 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
9548 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
9549 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9551 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9552 tokens_size
= tokln
- sizeof(*tok
);
9554 if (!tok
->len
|| tokens_size
% tok
->len
)
9556 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
9558 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
9560 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
9562 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
9564 if (tok
->offset
+ tok
->len
> data_size
)
9568 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
9569 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
9570 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
9572 if (seq
->len
== 0 || seq
->len
> 4)
9574 if (seq
->len
+ seq
->offset
> data_size
)
9578 size
= sizeof(*cfg
);
9580 size
+= wake_size
+ wake_mask_size
;
9581 size
+= tokens_size
;
9583 cfg
= kzalloc(size
, GFP_KERNEL
);
9586 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
9587 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
9588 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
9590 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
9591 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
9595 /* allocate a socket and port for it and use it */
9596 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
9597 IPPROTO_TCP
, &cfg
->sock
, 1);
9602 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
9603 sock_release(cfg
->sock
);
9607 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
9613 cfg
->src_port
= port
;
9616 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
9617 cfg
->payload_len
= data_size
;
9618 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
9619 memcpy((void *)cfg
->payload
,
9620 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
9623 cfg
->payload_seq
= *seq
;
9624 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
9625 cfg
->wake_len
= wake_size
;
9626 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
9627 memcpy((void *)cfg
->wake_data
,
9628 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
9630 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
9631 data_size
+ wake_size
;
9632 memcpy((void *)cfg
->wake_mask
,
9633 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
9636 cfg
->tokens_size
= tokens_size
;
9637 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
9645 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
9646 const struct wiphy_wowlan_support
*wowlan
,
9647 struct nlattr
*attr
,
9648 struct cfg80211_wowlan
*trig
)
9653 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
9657 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
9662 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
9663 nla_data(attr
), nla_len(attr
),
9668 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
9669 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
9671 trig
->nd_config
= NULL
;
9678 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9680 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9681 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
9682 struct cfg80211_wowlan new_triggers
= {};
9683 struct cfg80211_wowlan
*ntrig
;
9684 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
9686 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
9687 bool regular
= false;
9692 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
9693 cfg80211_rdev_free_wowlan(rdev
);
9694 rdev
->wiphy
.wowlan_config
= NULL
;
9698 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
9699 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9700 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9701 nl80211_wowlan_policy
);
9705 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
9706 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
9708 new_triggers
.any
= true;
9711 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
9712 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
9714 new_triggers
.disconnect
= true;
9718 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
9719 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
9721 new_triggers
.magic_pkt
= true;
9725 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
9728 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
9729 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9731 new_triggers
.gtk_rekey_failure
= true;
9735 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9736 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9738 new_triggers
.eap_identity_req
= true;
9742 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9743 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9745 new_triggers
.four_way_handshake
= true;
9749 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9750 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9752 new_triggers
.rfkill_release
= true;
9756 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9759 int rem
, pat_len
, mask_len
, pkt_offset
;
9760 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9764 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9767 if (n_patterns
> wowlan
->n_patterns
)
9770 new_triggers
.patterns
= kcalloc(n_patterns
,
9771 sizeof(new_triggers
.patterns
[0]),
9773 if (!new_triggers
.patterns
)
9776 new_triggers
.n_patterns
= n_patterns
;
9779 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9783 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9784 nla_len(pat
), NULL
);
9786 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9787 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9789 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9790 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9791 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9793 if (pat_len
> wowlan
->pattern_max_len
||
9794 pat_len
< wowlan
->pattern_min_len
)
9797 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9800 pkt_offset
= nla_get_u32(
9801 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9802 if (pkt_offset
> wowlan
->max_pkt_offset
)
9804 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9806 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9811 new_triggers
.patterns
[i
].mask
= mask_pat
;
9812 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9814 mask_pat
+= mask_len
;
9815 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9816 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9818 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9824 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9826 err
= nl80211_parse_wowlan_tcp(
9827 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9833 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9835 err
= nl80211_parse_wowlan_nd(
9836 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9842 /* The 'any' trigger means the device continues operating more or less
9843 * as in its normal operation mode and wakes up the host on most of the
9844 * normal interrupts (like packet RX, ...)
9845 * It therefore makes little sense to combine with the more constrained
9846 * wakeup trigger modes.
9848 if (new_triggers
.any
&& regular
) {
9853 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9858 cfg80211_rdev_free_wowlan(rdev
);
9859 rdev
->wiphy
.wowlan_config
= ntrig
;
9862 if (rdev
->ops
->set_wakeup
&&
9863 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9864 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9868 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9869 kfree(new_triggers
.patterns
[i
].mask
);
9870 kfree(new_triggers
.patterns
);
9871 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9872 sock_release(new_triggers
.tcp
->sock
);
9873 kfree(new_triggers
.tcp
);
9874 kfree(new_triggers
.nd_config
);
9879 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9880 struct cfg80211_registered_device
*rdev
)
9882 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9884 struct cfg80211_coalesce_rules
*rule
;
9886 if (!rdev
->coalesce
->n_rules
)
9889 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9893 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9894 nl_rule
= nla_nest_start(msg
, i
+ 1);
9898 rule
= &rdev
->coalesce
->rules
[i
];
9899 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9903 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9907 nl_pats
= nla_nest_start(msg
,
9908 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9912 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9913 nl_pat
= nla_nest_start(msg
, j
+ 1);
9916 pat_len
= rule
->patterns
[j
].pattern_len
;
9917 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9918 DIV_ROUND_UP(pat_len
, 8),
9919 rule
->patterns
[j
].mask
) ||
9920 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9921 rule
->patterns
[j
].pattern
) ||
9922 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9923 rule
->patterns
[j
].pkt_offset
))
9925 nla_nest_end(msg
, nl_pat
);
9927 nla_nest_end(msg
, nl_pats
);
9928 nla_nest_end(msg
, nl_rule
);
9930 nla_nest_end(msg
, nl_rules
);
9935 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9937 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9938 struct sk_buff
*msg
;
9941 if (!rdev
->wiphy
.coalesce
)
9944 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9948 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9949 NL80211_CMD_GET_COALESCE
);
9951 goto nla_put_failure
;
9953 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9954 goto nla_put_failure
;
9956 genlmsg_end(msg
, hdr
);
9957 return genlmsg_reply(msg
, info
);
9964 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9966 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9968 struct cfg80211_coalesce_rules
*rule
;
9973 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9974 rule
= &coalesce
->rules
[i
];
9975 for (j
= 0; j
< rule
->n_patterns
; j
++)
9976 kfree(rule
->patterns
[j
].mask
);
9977 kfree(rule
->patterns
);
9979 kfree(coalesce
->rules
);
9981 rdev
->coalesce
= NULL
;
9984 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9985 struct nlattr
*rule
,
9986 struct cfg80211_coalesce_rules
*new_rule
)
9989 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9990 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9991 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9992 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9994 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9995 nla_len(rule
), nl80211_coalesce_policy
);
9999 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
10001 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
10002 if (new_rule
->delay
> coalesce
->max_delay
)
10005 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
10006 new_rule
->condition
=
10007 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
10008 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
10009 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
10012 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
10015 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10018 if (n_patterns
> coalesce
->n_patterns
)
10021 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
10023 if (!new_rule
->patterns
)
10026 new_rule
->n_patterns
= n_patterns
;
10029 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10033 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
10034 nla_len(pat
), NULL
);
10035 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10036 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10038 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10039 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10040 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10042 if (pat_len
> coalesce
->pattern_max_len
||
10043 pat_len
< coalesce
->pattern_min_len
)
10046 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10049 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
10050 if (pkt_offset
> coalesce
->max_pkt_offset
)
10052 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
10054 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10058 new_rule
->patterns
[i
].mask
= mask_pat
;
10059 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10062 mask_pat
+= mask_len
;
10063 new_rule
->patterns
[i
].pattern
= mask_pat
;
10064 new_rule
->patterns
[i
].pattern_len
= pat_len
;
10065 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10073 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10075 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10076 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10077 struct cfg80211_coalesce new_coalesce
= {};
10078 struct cfg80211_coalesce
*n_coalesce
;
10079 int err
, rem_rule
, n_rules
= 0, i
, j
;
10080 struct nlattr
*rule
;
10081 struct cfg80211_coalesce_rules
*tmp_rule
;
10083 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
10084 return -EOPNOTSUPP
;
10086 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
10087 cfg80211_rdev_free_coalesce(rdev
);
10088 rdev_set_coalesce(rdev
, NULL
);
10092 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10095 if (n_rules
> coalesce
->n_rules
)
10098 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
10100 if (!new_coalesce
.rules
)
10103 new_coalesce
.n_rules
= n_rules
;
10106 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10108 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
10109 &new_coalesce
.rules
[i
]);
10116 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
10120 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
10125 cfg80211_rdev_free_coalesce(rdev
);
10126 rdev
->coalesce
= n_coalesce
;
10130 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
10131 tmp_rule
= &new_coalesce
.rules
[i
];
10132 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
10133 kfree(tmp_rule
->patterns
[j
].mask
);
10134 kfree(tmp_rule
->patterns
);
10136 kfree(new_coalesce
.rules
);
10141 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
10143 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10144 struct net_device
*dev
= info
->user_ptr
[1];
10145 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10146 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
10147 struct cfg80211_gtk_rekey_data rekey_data
;
10150 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10153 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
10154 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
10155 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
10156 nl80211_rekey_policy
);
10160 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10162 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10164 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10167 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10168 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10169 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
10172 if (!wdev
->current_bss
) {
10177 if (!rdev
->ops
->set_rekey_data
) {
10182 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
10188 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
10189 struct genl_info
*info
)
10191 struct net_device
*dev
= info
->user_ptr
[1];
10192 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10194 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10195 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10198 if (wdev
->ap_unexpected_nlportid
)
10201 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
10205 static int nl80211_probe_client(struct sk_buff
*skb
,
10206 struct genl_info
*info
)
10208 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10209 struct net_device
*dev
= info
->user_ptr
[1];
10210 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10211 struct sk_buff
*msg
;
10217 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10218 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10219 return -EOPNOTSUPP
;
10221 if (!info
->attrs
[NL80211_ATTR_MAC
])
10224 if (!rdev
->ops
->probe_client
)
10225 return -EOPNOTSUPP
;
10227 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10231 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10232 NL80211_CMD_PROBE_CLIENT
);
10238 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10240 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
10244 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
10246 goto nla_put_failure
;
10248 genlmsg_end(msg
, hdr
);
10250 return genlmsg_reply(msg
, info
);
10259 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
10261 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10262 struct cfg80211_beacon_registration
*reg
, *nreg
;
10265 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
10266 return -EOPNOTSUPP
;
10268 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
10272 /* First, check if already registered. */
10273 spin_lock_bh(&rdev
->beacon_registrations_lock
);
10274 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
10275 if (reg
->nlportid
== info
->snd_portid
) {
10280 /* Add it to the list */
10281 nreg
->nlportid
= info
->snd_portid
;
10282 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
10284 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10288 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10293 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
10295 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10296 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10299 if (!rdev
->ops
->start_p2p_device
)
10300 return -EOPNOTSUPP
;
10302 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
10303 return -EOPNOTSUPP
;
10305 if (wdev
->p2p_started
)
10308 if (rfkill_blocked(rdev
->rfkill
))
10311 err
= rdev_start_p2p_device(rdev
, wdev
);
10315 wdev
->p2p_started
= true;
10321 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
10323 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10324 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10326 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
10327 return -EOPNOTSUPP
;
10329 if (!rdev
->ops
->stop_p2p_device
)
10330 return -EOPNOTSUPP
;
10332 cfg80211_stop_p2p_device(rdev
, wdev
);
10337 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
10338 struct genl_info
*info
)
10341 struct sk_buff
*msg
;
10343 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10347 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10348 NL80211_CMD_GET_PROTOCOL_FEATURES
);
10350 goto nla_put_failure
;
10352 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
10353 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
10354 goto nla_put_failure
;
10356 genlmsg_end(msg
, hdr
);
10357 return genlmsg_reply(msg
, info
);
10364 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
10366 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10367 struct cfg80211_update_ft_ies_params ft_params
;
10368 struct net_device
*dev
= info
->user_ptr
[1];
10370 if (!rdev
->ops
->update_ft_ies
)
10371 return -EOPNOTSUPP
;
10373 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
10374 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
10377 memset(&ft_params
, 0, sizeof(ft_params
));
10378 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
10379 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
10380 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
10382 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
10385 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
10386 struct genl_info
*info
)
10388 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10389 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10390 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
10394 if (!rdev
->ops
->crit_proto_start
)
10395 return -EOPNOTSUPP
;
10397 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
10400 if (rdev
->crit_proto_nlportid
)
10403 /* determine protocol if provided */
10404 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
10405 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
10407 if (proto
>= NUM_NL80211_CRIT_PROTO
)
10410 /* timeout must be provided */
10411 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
10415 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
10417 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
10420 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
10422 rdev
->crit_proto_nlportid
= info
->snd_portid
;
10427 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
10428 struct genl_info
*info
)
10430 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10431 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10433 if (!rdev
->ops
->crit_proto_stop
)
10434 return -EOPNOTSUPP
;
10436 if (rdev
->crit_proto_nlportid
) {
10437 rdev
->crit_proto_nlportid
= 0;
10438 rdev_crit_proto_stop(rdev
, wdev
);
10443 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
10445 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10446 struct wireless_dev
*wdev
=
10447 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
10451 if (!rdev
->wiphy
.vendor_commands
)
10452 return -EOPNOTSUPP
;
10454 if (IS_ERR(wdev
)) {
10455 err
= PTR_ERR(wdev
);
10456 if (err
!= -EINVAL
)
10459 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
10463 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
10464 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
10467 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
10468 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
10469 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
10470 const struct wiphy_vendor_command
*vcmd
;
10474 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
10476 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
10479 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
10480 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
10483 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
10487 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
10488 if (wdev
->netdev
&&
10489 !netif_running(wdev
->netdev
))
10491 if (!wdev
->netdev
&& !wdev
->p2p_started
)
10496 return -EOPNOTSUPP
;
10501 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
10502 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
10503 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
10506 rdev
->cur_cmd_info
= info
;
10507 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
10509 rdev
->cur_cmd_info
= NULL
;
10513 return -EOPNOTSUPP
;
10516 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
10517 struct netlink_callback
*cb
,
10518 struct cfg80211_registered_device
**rdev
,
10519 struct wireless_dev
**wdev
)
10526 unsigned int data_len
= 0;
10531 /* subtract the 1 again here */
10532 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
10533 struct wireless_dev
*tmp
;
10539 *rdev
= wiphy_to_rdev(wiphy
);
10543 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
10544 if (tmp
->identifier
== cb
->args
[1] - 1) {
10551 /* keep rtnl locked in successful case */
10555 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
10556 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
10561 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
10562 !nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]) {
10567 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
10568 nl80211_fam
.attrbuf
);
10572 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
10573 nl80211_fam
.attrbuf
);
10574 if (IS_ERR(*rdev
)) {
10575 err
= PTR_ERR(*rdev
);
10579 vid
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_ID
]);
10580 subcmd
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
10582 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
10583 const struct wiphy_vendor_command
*vcmd
;
10585 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
10587 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
10590 if (!vcmd
->dumpit
) {
10599 if (vcmd_idx
< 0) {
10604 if (nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
10605 data
= nla_data(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
10606 data_len
= nla_len(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
10609 /* 0 is the first index - add 1 to parse only once */
10610 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
10611 /* add 1 to know if it was NULL */
10612 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
10613 cb
->args
[2] = vcmd_idx
;
10614 cb
->args
[3] = (unsigned long)data
;
10615 cb
->args
[4] = data_len
;
10617 /* keep rtnl locked in successful case */
10624 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
10625 struct netlink_callback
*cb
)
10627 struct cfg80211_registered_device
*rdev
;
10628 struct wireless_dev
*wdev
;
10629 unsigned int vcmd_idx
;
10630 const struct wiphy_vendor_command
*vcmd
;
10634 struct nlattr
*vendor_data
;
10636 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
10640 vcmd_idx
= cb
->args
[2];
10641 data
= (void *)cb
->args
[3];
10642 data_len
= cb
->args
[4];
10643 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
10645 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
10646 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
10649 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
10653 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
10654 if (wdev
->netdev
&&
10655 !netif_running(wdev
->netdev
))
10657 if (!wdev
->netdev
&& !wdev
->p2p_started
)
10663 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
10664 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
10665 NL80211_CMD_VENDOR
);
10669 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10670 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
10672 NL80211_ATTR_PAD
))) {
10673 genlmsg_cancel(skb
, hdr
);
10677 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
10678 if (!vendor_data
) {
10679 genlmsg_cancel(skb
, hdr
);
10683 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
10684 (unsigned long *)&cb
->args
[5]);
10685 nla_nest_end(skb
, vendor_data
);
10687 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
10688 genlmsg_cancel(skb
, hdr
);
10691 genlmsg_cancel(skb
, hdr
);
10695 genlmsg_end(skb
, hdr
);
10704 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
10705 enum nl80211_commands cmd
,
10706 enum nl80211_attrs attr
,
10709 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10711 if (WARN_ON(!rdev
->cur_cmd_info
))
10714 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
10715 rdev
->cur_cmd_info
->snd_portid
,
10716 rdev
->cur_cmd_info
->snd_seq
,
10717 cmd
, attr
, NULL
, GFP_KERNEL
);
10719 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
10721 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
10723 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
10724 void *hdr
= ((void **)skb
->cb
)[1];
10725 struct nlattr
*data
= ((void **)skb
->cb
)[2];
10727 /* clear CB data for netlink core to own from now on */
10728 memset(skb
->cb
, 0, sizeof(skb
->cb
));
10730 if (WARN_ON(!rdev
->cur_cmd_info
)) {
10735 nla_nest_end(skb
, data
);
10736 genlmsg_end(skb
, hdr
);
10737 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
10739 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
10741 static int nl80211_set_qos_map(struct sk_buff
*skb
,
10742 struct genl_info
*info
)
10744 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10745 struct cfg80211_qos_map
*qos_map
= NULL
;
10746 struct net_device
*dev
= info
->user_ptr
[1];
10747 u8
*pos
, len
, num_des
, des_len
, des
;
10750 if (!rdev
->ops
->set_qos_map
)
10751 return -EOPNOTSUPP
;
10753 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
10754 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10755 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10757 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
10758 len
> IEEE80211_QOS_MAP_LEN_MAX
)
10761 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
10765 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
10767 des_len
= num_des
*
10768 sizeof(struct cfg80211_dscp_exception
);
10769 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
10770 qos_map
->num_des
= num_des
;
10771 for (des
= 0; des
< num_des
; des
++) {
10772 if (qos_map
->dscp_exception
[des
].up
> 7) {
10779 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
10782 wdev_lock(dev
->ieee80211_ptr
);
10783 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
10785 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
10786 wdev_unlock(dev
->ieee80211_ptr
);
10792 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10794 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10795 struct net_device
*dev
= info
->user_ptr
[1];
10796 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10799 u16 admitted_time
= 0;
10802 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
10803 return -EOPNOTSUPP
;
10805 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
10806 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
10809 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10810 if (tsid
>= IEEE80211_NUM_TIDS
)
10813 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
10814 if (up
>= IEEE80211_NUM_UPS
)
10817 /* WMM uses TIDs 0-7 even for TSPEC */
10818 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
10819 /* TODO: handle 802.11 TSPEC/admission control
10820 * need more attributes for that (e.g. BA session requirement);
10821 * change the WMM adminssion test above to allow both then
10826 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10828 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
10830 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
10831 if (!admitted_time
)
10836 switch (wdev
->iftype
) {
10837 case NL80211_IFTYPE_STATION
:
10838 case NL80211_IFTYPE_P2P_CLIENT
:
10839 if (wdev
->current_bss
)
10848 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
10855 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10857 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10858 struct net_device
*dev
= info
->user_ptr
[1];
10859 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10864 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
10867 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10868 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10871 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
10877 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
10878 struct genl_info
*info
)
10880 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10881 struct net_device
*dev
= info
->user_ptr
[1];
10882 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10883 struct cfg80211_chan_def chandef
= {};
10888 if (!rdev
->ops
->tdls_channel_switch
||
10889 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10890 return -EOPNOTSUPP
;
10892 switch (dev
->ieee80211_ptr
->iftype
) {
10893 case NL80211_IFTYPE_STATION
:
10894 case NL80211_IFTYPE_P2P_CLIENT
:
10897 return -EOPNOTSUPP
;
10900 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
10901 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
10904 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
10909 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
10910 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
10911 * specification is not defined for them.
10913 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
10914 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
10915 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
10918 /* we will be active on the TDLS link */
10919 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
10923 /* don't allow switching to DFS channels */
10924 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
10927 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10928 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
10931 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
10937 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
10938 struct genl_info
*info
)
10940 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10941 struct net_device
*dev
= info
->user_ptr
[1];
10942 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10945 if (!rdev
->ops
->tdls_channel_switch
||
10946 !rdev
->ops
->tdls_cancel_channel_switch
||
10947 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10948 return -EOPNOTSUPP
;
10950 switch (dev
->ieee80211_ptr
->iftype
) {
10951 case NL80211_IFTYPE_STATION
:
10952 case NL80211_IFTYPE_P2P_CLIENT
:
10955 return -EOPNOTSUPP
;
10958 if (!info
->attrs
[NL80211_ATTR_MAC
])
10961 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10964 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10970 #define NL80211_FLAG_NEED_WIPHY 0x01
10971 #define NL80211_FLAG_NEED_NETDEV 0x02
10972 #define NL80211_FLAG_NEED_RTNL 0x04
10973 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10974 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10975 NL80211_FLAG_CHECK_NETDEV_UP)
10976 #define NL80211_FLAG_NEED_WDEV 0x10
10977 /* If a netdev is associated, it must be UP, P2P must be started */
10978 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10979 NL80211_FLAG_CHECK_NETDEV_UP)
10980 #define NL80211_FLAG_CLEAR_SKB 0x20
10982 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10983 struct genl_info
*info
)
10985 struct cfg80211_registered_device
*rdev
;
10986 struct wireless_dev
*wdev
;
10987 struct net_device
*dev
;
10988 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
10993 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
10994 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
10995 if (IS_ERR(rdev
)) {
10998 return PTR_ERR(rdev
);
11000 info
->user_ptr
[0] = rdev
;
11001 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
11002 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
11005 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
11007 if (IS_ERR(wdev
)) {
11010 return PTR_ERR(wdev
);
11013 dev
= wdev
->netdev
;
11014 rdev
= wiphy_to_rdev(wdev
->wiphy
);
11016 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
11023 info
->user_ptr
[1] = dev
;
11025 info
->user_ptr
[1] = wdev
;
11029 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
11030 !netif_running(dev
)) {
11037 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
11038 if (!wdev
->p2p_started
) {
11045 info
->user_ptr
[0] = rdev
;
11051 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
11052 struct genl_info
*info
)
11054 if (info
->user_ptr
[1]) {
11055 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
11056 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11059 dev_put(wdev
->netdev
);
11061 dev_put(info
->user_ptr
[1]);
11065 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
11068 /* If needed, clear the netlink message payload from the SKB
11069 * as it might contain key data that shouldn't stick around on
11070 * the heap after the SKB is freed. The netlink message header
11071 * is still needed for further processing, so leave it intact.
11073 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
11074 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
11076 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
11080 static const struct genl_ops nl80211_ops
[] = {
11082 .cmd
= NL80211_CMD_GET_WIPHY
,
11083 .doit
= nl80211_get_wiphy
,
11084 .dumpit
= nl80211_dump_wiphy
,
11085 .done
= nl80211_dump_wiphy_done
,
11086 .policy
= nl80211_policy
,
11087 /* can be retrieved by unprivileged users */
11088 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11089 NL80211_FLAG_NEED_RTNL
,
11092 .cmd
= NL80211_CMD_SET_WIPHY
,
11093 .doit
= nl80211_set_wiphy
,
11094 .policy
= nl80211_policy
,
11095 .flags
= GENL_UNS_ADMIN_PERM
,
11096 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11099 .cmd
= NL80211_CMD_GET_INTERFACE
,
11100 .doit
= nl80211_get_interface
,
11101 .dumpit
= nl80211_dump_interface
,
11102 .policy
= nl80211_policy
,
11103 /* can be retrieved by unprivileged users */
11104 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11105 NL80211_FLAG_NEED_RTNL
,
11108 .cmd
= NL80211_CMD_SET_INTERFACE
,
11109 .doit
= nl80211_set_interface
,
11110 .policy
= nl80211_policy
,
11111 .flags
= GENL_UNS_ADMIN_PERM
,
11112 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11113 NL80211_FLAG_NEED_RTNL
,
11116 .cmd
= NL80211_CMD_NEW_INTERFACE
,
11117 .doit
= nl80211_new_interface
,
11118 .policy
= nl80211_policy
,
11119 .flags
= GENL_UNS_ADMIN_PERM
,
11120 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11121 NL80211_FLAG_NEED_RTNL
,
11124 .cmd
= NL80211_CMD_DEL_INTERFACE
,
11125 .doit
= nl80211_del_interface
,
11126 .policy
= nl80211_policy
,
11127 .flags
= GENL_UNS_ADMIN_PERM
,
11128 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11129 NL80211_FLAG_NEED_RTNL
,
11132 .cmd
= NL80211_CMD_GET_KEY
,
11133 .doit
= nl80211_get_key
,
11134 .policy
= nl80211_policy
,
11135 .flags
= GENL_UNS_ADMIN_PERM
,
11136 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11137 NL80211_FLAG_NEED_RTNL
,
11140 .cmd
= NL80211_CMD_SET_KEY
,
11141 .doit
= nl80211_set_key
,
11142 .policy
= nl80211_policy
,
11143 .flags
= GENL_UNS_ADMIN_PERM
,
11144 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11145 NL80211_FLAG_NEED_RTNL
|
11146 NL80211_FLAG_CLEAR_SKB
,
11149 .cmd
= NL80211_CMD_NEW_KEY
,
11150 .doit
= nl80211_new_key
,
11151 .policy
= nl80211_policy
,
11152 .flags
= GENL_UNS_ADMIN_PERM
,
11153 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11154 NL80211_FLAG_NEED_RTNL
|
11155 NL80211_FLAG_CLEAR_SKB
,
11158 .cmd
= NL80211_CMD_DEL_KEY
,
11159 .doit
= nl80211_del_key
,
11160 .policy
= nl80211_policy
,
11161 .flags
= GENL_UNS_ADMIN_PERM
,
11162 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11163 NL80211_FLAG_NEED_RTNL
,
11166 .cmd
= NL80211_CMD_SET_BEACON
,
11167 .policy
= nl80211_policy
,
11168 .flags
= GENL_UNS_ADMIN_PERM
,
11169 .doit
= nl80211_set_beacon
,
11170 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11171 NL80211_FLAG_NEED_RTNL
,
11174 .cmd
= NL80211_CMD_START_AP
,
11175 .policy
= nl80211_policy
,
11176 .flags
= GENL_UNS_ADMIN_PERM
,
11177 .doit
= nl80211_start_ap
,
11178 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11179 NL80211_FLAG_NEED_RTNL
,
11182 .cmd
= NL80211_CMD_STOP_AP
,
11183 .policy
= nl80211_policy
,
11184 .flags
= GENL_UNS_ADMIN_PERM
,
11185 .doit
= nl80211_stop_ap
,
11186 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11187 NL80211_FLAG_NEED_RTNL
,
11190 .cmd
= NL80211_CMD_GET_STATION
,
11191 .doit
= nl80211_get_station
,
11192 .dumpit
= nl80211_dump_station
,
11193 .policy
= nl80211_policy
,
11194 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11195 NL80211_FLAG_NEED_RTNL
,
11198 .cmd
= NL80211_CMD_SET_STATION
,
11199 .doit
= nl80211_set_station
,
11200 .policy
= nl80211_policy
,
11201 .flags
= GENL_UNS_ADMIN_PERM
,
11202 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11203 NL80211_FLAG_NEED_RTNL
,
11206 .cmd
= NL80211_CMD_NEW_STATION
,
11207 .doit
= nl80211_new_station
,
11208 .policy
= nl80211_policy
,
11209 .flags
= GENL_UNS_ADMIN_PERM
,
11210 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11211 NL80211_FLAG_NEED_RTNL
,
11214 .cmd
= NL80211_CMD_DEL_STATION
,
11215 .doit
= nl80211_del_station
,
11216 .policy
= nl80211_policy
,
11217 .flags
= GENL_UNS_ADMIN_PERM
,
11218 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11219 NL80211_FLAG_NEED_RTNL
,
11222 .cmd
= NL80211_CMD_GET_MPATH
,
11223 .doit
= nl80211_get_mpath
,
11224 .dumpit
= nl80211_dump_mpath
,
11225 .policy
= nl80211_policy
,
11226 .flags
= GENL_UNS_ADMIN_PERM
,
11227 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11228 NL80211_FLAG_NEED_RTNL
,
11231 .cmd
= NL80211_CMD_GET_MPP
,
11232 .doit
= nl80211_get_mpp
,
11233 .dumpit
= nl80211_dump_mpp
,
11234 .policy
= nl80211_policy
,
11235 .flags
= GENL_UNS_ADMIN_PERM
,
11236 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11237 NL80211_FLAG_NEED_RTNL
,
11240 .cmd
= NL80211_CMD_SET_MPATH
,
11241 .doit
= nl80211_set_mpath
,
11242 .policy
= nl80211_policy
,
11243 .flags
= GENL_UNS_ADMIN_PERM
,
11244 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11245 NL80211_FLAG_NEED_RTNL
,
11248 .cmd
= NL80211_CMD_NEW_MPATH
,
11249 .doit
= nl80211_new_mpath
,
11250 .policy
= nl80211_policy
,
11251 .flags
= GENL_UNS_ADMIN_PERM
,
11252 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11253 NL80211_FLAG_NEED_RTNL
,
11256 .cmd
= NL80211_CMD_DEL_MPATH
,
11257 .doit
= nl80211_del_mpath
,
11258 .policy
= nl80211_policy
,
11259 .flags
= GENL_UNS_ADMIN_PERM
,
11260 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11261 NL80211_FLAG_NEED_RTNL
,
11264 .cmd
= NL80211_CMD_SET_BSS
,
11265 .doit
= nl80211_set_bss
,
11266 .policy
= nl80211_policy
,
11267 .flags
= GENL_UNS_ADMIN_PERM
,
11268 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11269 NL80211_FLAG_NEED_RTNL
,
11272 .cmd
= NL80211_CMD_GET_REG
,
11273 .doit
= nl80211_get_reg_do
,
11274 .dumpit
= nl80211_get_reg_dump
,
11275 .policy
= nl80211_policy
,
11276 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11277 /* can be retrieved by unprivileged users */
11279 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
11281 .cmd
= NL80211_CMD_SET_REG
,
11282 .doit
= nl80211_set_reg
,
11283 .policy
= nl80211_policy
,
11284 .flags
= GENL_ADMIN_PERM
,
11285 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11289 .cmd
= NL80211_CMD_REQ_SET_REG
,
11290 .doit
= nl80211_req_set_reg
,
11291 .policy
= nl80211_policy
,
11292 .flags
= GENL_ADMIN_PERM
,
11295 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
11296 .doit
= nl80211_get_mesh_config
,
11297 .policy
= nl80211_policy
,
11298 /* can be retrieved by unprivileged users */
11299 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11300 NL80211_FLAG_NEED_RTNL
,
11303 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
11304 .doit
= nl80211_update_mesh_config
,
11305 .policy
= nl80211_policy
,
11306 .flags
= GENL_UNS_ADMIN_PERM
,
11307 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11308 NL80211_FLAG_NEED_RTNL
,
11311 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
11312 .doit
= nl80211_trigger_scan
,
11313 .policy
= nl80211_policy
,
11314 .flags
= GENL_UNS_ADMIN_PERM
,
11315 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11316 NL80211_FLAG_NEED_RTNL
,
11319 .cmd
= NL80211_CMD_ABORT_SCAN
,
11320 .doit
= nl80211_abort_scan
,
11321 .policy
= nl80211_policy
,
11322 .flags
= GENL_UNS_ADMIN_PERM
,
11323 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11324 NL80211_FLAG_NEED_RTNL
,
11327 .cmd
= NL80211_CMD_GET_SCAN
,
11328 .policy
= nl80211_policy
,
11329 .dumpit
= nl80211_dump_scan
,
11332 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
11333 .doit
= nl80211_start_sched_scan
,
11334 .policy
= nl80211_policy
,
11335 .flags
= GENL_UNS_ADMIN_PERM
,
11336 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11337 NL80211_FLAG_NEED_RTNL
,
11340 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
11341 .doit
= nl80211_stop_sched_scan
,
11342 .policy
= nl80211_policy
,
11343 .flags
= GENL_UNS_ADMIN_PERM
,
11344 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11345 NL80211_FLAG_NEED_RTNL
,
11348 .cmd
= NL80211_CMD_AUTHENTICATE
,
11349 .doit
= nl80211_authenticate
,
11350 .policy
= nl80211_policy
,
11351 .flags
= GENL_UNS_ADMIN_PERM
,
11352 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11353 NL80211_FLAG_NEED_RTNL
|
11354 NL80211_FLAG_CLEAR_SKB
,
11357 .cmd
= NL80211_CMD_ASSOCIATE
,
11358 .doit
= nl80211_associate
,
11359 .policy
= nl80211_policy
,
11360 .flags
= GENL_UNS_ADMIN_PERM
,
11361 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11362 NL80211_FLAG_NEED_RTNL
,
11365 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
11366 .doit
= nl80211_deauthenticate
,
11367 .policy
= nl80211_policy
,
11368 .flags
= GENL_UNS_ADMIN_PERM
,
11369 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11370 NL80211_FLAG_NEED_RTNL
,
11373 .cmd
= NL80211_CMD_DISASSOCIATE
,
11374 .doit
= nl80211_disassociate
,
11375 .policy
= nl80211_policy
,
11376 .flags
= GENL_UNS_ADMIN_PERM
,
11377 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11378 NL80211_FLAG_NEED_RTNL
,
11381 .cmd
= NL80211_CMD_JOIN_IBSS
,
11382 .doit
= nl80211_join_ibss
,
11383 .policy
= nl80211_policy
,
11384 .flags
= GENL_UNS_ADMIN_PERM
,
11385 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11386 NL80211_FLAG_NEED_RTNL
,
11389 .cmd
= NL80211_CMD_LEAVE_IBSS
,
11390 .doit
= nl80211_leave_ibss
,
11391 .policy
= nl80211_policy
,
11392 .flags
= GENL_UNS_ADMIN_PERM
,
11393 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11394 NL80211_FLAG_NEED_RTNL
,
11396 #ifdef CONFIG_NL80211_TESTMODE
11398 .cmd
= NL80211_CMD_TESTMODE
,
11399 .doit
= nl80211_testmode_do
,
11400 .dumpit
= nl80211_testmode_dump
,
11401 .policy
= nl80211_policy
,
11402 .flags
= GENL_UNS_ADMIN_PERM
,
11403 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11404 NL80211_FLAG_NEED_RTNL
,
11408 .cmd
= NL80211_CMD_CONNECT
,
11409 .doit
= nl80211_connect
,
11410 .policy
= nl80211_policy
,
11411 .flags
= GENL_UNS_ADMIN_PERM
,
11412 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11413 NL80211_FLAG_NEED_RTNL
,
11416 .cmd
= NL80211_CMD_DISCONNECT
,
11417 .doit
= nl80211_disconnect
,
11418 .policy
= nl80211_policy
,
11419 .flags
= GENL_UNS_ADMIN_PERM
,
11420 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11421 NL80211_FLAG_NEED_RTNL
,
11424 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
11425 .doit
= nl80211_wiphy_netns
,
11426 .policy
= nl80211_policy
,
11427 .flags
= GENL_UNS_ADMIN_PERM
,
11428 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11429 NL80211_FLAG_NEED_RTNL
,
11432 .cmd
= NL80211_CMD_GET_SURVEY
,
11433 .policy
= nl80211_policy
,
11434 .dumpit
= nl80211_dump_survey
,
11437 .cmd
= NL80211_CMD_SET_PMKSA
,
11438 .doit
= nl80211_setdel_pmksa
,
11439 .policy
= nl80211_policy
,
11440 .flags
= GENL_UNS_ADMIN_PERM
,
11441 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11442 NL80211_FLAG_NEED_RTNL
,
11445 .cmd
= NL80211_CMD_DEL_PMKSA
,
11446 .doit
= nl80211_setdel_pmksa
,
11447 .policy
= nl80211_policy
,
11448 .flags
= GENL_UNS_ADMIN_PERM
,
11449 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11450 NL80211_FLAG_NEED_RTNL
,
11453 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
11454 .doit
= nl80211_flush_pmksa
,
11455 .policy
= nl80211_policy
,
11456 .flags
= GENL_UNS_ADMIN_PERM
,
11457 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11458 NL80211_FLAG_NEED_RTNL
,
11461 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
11462 .doit
= nl80211_remain_on_channel
,
11463 .policy
= nl80211_policy
,
11464 .flags
= GENL_UNS_ADMIN_PERM
,
11465 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11466 NL80211_FLAG_NEED_RTNL
,
11469 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11470 .doit
= nl80211_cancel_remain_on_channel
,
11471 .policy
= nl80211_policy
,
11472 .flags
= GENL_UNS_ADMIN_PERM
,
11473 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11474 NL80211_FLAG_NEED_RTNL
,
11477 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
11478 .doit
= nl80211_set_tx_bitrate_mask
,
11479 .policy
= nl80211_policy
,
11480 .flags
= GENL_UNS_ADMIN_PERM
,
11481 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11482 NL80211_FLAG_NEED_RTNL
,
11485 .cmd
= NL80211_CMD_REGISTER_FRAME
,
11486 .doit
= nl80211_register_mgmt
,
11487 .policy
= nl80211_policy
,
11488 .flags
= GENL_UNS_ADMIN_PERM
,
11489 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11490 NL80211_FLAG_NEED_RTNL
,
11493 .cmd
= NL80211_CMD_FRAME
,
11494 .doit
= nl80211_tx_mgmt
,
11495 .policy
= nl80211_policy
,
11496 .flags
= GENL_UNS_ADMIN_PERM
,
11497 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11498 NL80211_FLAG_NEED_RTNL
,
11501 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
11502 .doit
= nl80211_tx_mgmt_cancel_wait
,
11503 .policy
= nl80211_policy
,
11504 .flags
= GENL_UNS_ADMIN_PERM
,
11505 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11506 NL80211_FLAG_NEED_RTNL
,
11509 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
11510 .doit
= nl80211_set_power_save
,
11511 .policy
= nl80211_policy
,
11512 .flags
= GENL_UNS_ADMIN_PERM
,
11513 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11514 NL80211_FLAG_NEED_RTNL
,
11517 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
11518 .doit
= nl80211_get_power_save
,
11519 .policy
= nl80211_policy
,
11520 /* can be retrieved by unprivileged users */
11521 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11522 NL80211_FLAG_NEED_RTNL
,
11525 .cmd
= NL80211_CMD_SET_CQM
,
11526 .doit
= nl80211_set_cqm
,
11527 .policy
= nl80211_policy
,
11528 .flags
= GENL_UNS_ADMIN_PERM
,
11529 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11530 NL80211_FLAG_NEED_RTNL
,
11533 .cmd
= NL80211_CMD_SET_CHANNEL
,
11534 .doit
= nl80211_set_channel
,
11535 .policy
= nl80211_policy
,
11536 .flags
= GENL_UNS_ADMIN_PERM
,
11537 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11538 NL80211_FLAG_NEED_RTNL
,
11541 .cmd
= NL80211_CMD_SET_WDS_PEER
,
11542 .doit
= nl80211_set_wds_peer
,
11543 .policy
= nl80211_policy
,
11544 .flags
= GENL_UNS_ADMIN_PERM
,
11545 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11546 NL80211_FLAG_NEED_RTNL
,
11549 .cmd
= NL80211_CMD_JOIN_MESH
,
11550 .doit
= nl80211_join_mesh
,
11551 .policy
= nl80211_policy
,
11552 .flags
= GENL_UNS_ADMIN_PERM
,
11553 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11554 NL80211_FLAG_NEED_RTNL
,
11557 .cmd
= NL80211_CMD_LEAVE_MESH
,
11558 .doit
= nl80211_leave_mesh
,
11559 .policy
= nl80211_policy
,
11560 .flags
= GENL_UNS_ADMIN_PERM
,
11561 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11562 NL80211_FLAG_NEED_RTNL
,
11565 .cmd
= NL80211_CMD_JOIN_OCB
,
11566 .doit
= nl80211_join_ocb
,
11567 .policy
= nl80211_policy
,
11568 .flags
= GENL_UNS_ADMIN_PERM
,
11569 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11570 NL80211_FLAG_NEED_RTNL
,
11573 .cmd
= NL80211_CMD_LEAVE_OCB
,
11574 .doit
= nl80211_leave_ocb
,
11575 .policy
= nl80211_policy
,
11576 .flags
= GENL_UNS_ADMIN_PERM
,
11577 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11578 NL80211_FLAG_NEED_RTNL
,
11582 .cmd
= NL80211_CMD_GET_WOWLAN
,
11583 .doit
= nl80211_get_wowlan
,
11584 .policy
= nl80211_policy
,
11585 /* can be retrieved by unprivileged users */
11586 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11587 NL80211_FLAG_NEED_RTNL
,
11590 .cmd
= NL80211_CMD_SET_WOWLAN
,
11591 .doit
= nl80211_set_wowlan
,
11592 .policy
= nl80211_policy
,
11593 .flags
= GENL_UNS_ADMIN_PERM
,
11594 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11595 NL80211_FLAG_NEED_RTNL
,
11599 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
11600 .doit
= nl80211_set_rekey_data
,
11601 .policy
= nl80211_policy
,
11602 .flags
= GENL_UNS_ADMIN_PERM
,
11603 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11604 NL80211_FLAG_NEED_RTNL
|
11605 NL80211_FLAG_CLEAR_SKB
,
11608 .cmd
= NL80211_CMD_TDLS_MGMT
,
11609 .doit
= nl80211_tdls_mgmt
,
11610 .policy
= nl80211_policy
,
11611 .flags
= GENL_UNS_ADMIN_PERM
,
11612 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11613 NL80211_FLAG_NEED_RTNL
,
11616 .cmd
= NL80211_CMD_TDLS_OPER
,
11617 .doit
= nl80211_tdls_oper
,
11618 .policy
= nl80211_policy
,
11619 .flags
= GENL_UNS_ADMIN_PERM
,
11620 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11621 NL80211_FLAG_NEED_RTNL
,
11624 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
11625 .doit
= nl80211_register_unexpected_frame
,
11626 .policy
= nl80211_policy
,
11627 .flags
= GENL_UNS_ADMIN_PERM
,
11628 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11629 NL80211_FLAG_NEED_RTNL
,
11632 .cmd
= NL80211_CMD_PROBE_CLIENT
,
11633 .doit
= nl80211_probe_client
,
11634 .policy
= nl80211_policy
,
11635 .flags
= GENL_UNS_ADMIN_PERM
,
11636 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11637 NL80211_FLAG_NEED_RTNL
,
11640 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
11641 .doit
= nl80211_register_beacons
,
11642 .policy
= nl80211_policy
,
11643 .flags
= GENL_UNS_ADMIN_PERM
,
11644 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11645 NL80211_FLAG_NEED_RTNL
,
11648 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
11649 .doit
= nl80211_set_noack_map
,
11650 .policy
= nl80211_policy
,
11651 .flags
= GENL_UNS_ADMIN_PERM
,
11652 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11653 NL80211_FLAG_NEED_RTNL
,
11656 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
11657 .doit
= nl80211_start_p2p_device
,
11658 .policy
= nl80211_policy
,
11659 .flags
= GENL_UNS_ADMIN_PERM
,
11660 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11661 NL80211_FLAG_NEED_RTNL
,
11664 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
11665 .doit
= nl80211_stop_p2p_device
,
11666 .policy
= nl80211_policy
,
11667 .flags
= GENL_UNS_ADMIN_PERM
,
11668 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11669 NL80211_FLAG_NEED_RTNL
,
11672 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
11673 .doit
= nl80211_set_mcast_rate
,
11674 .policy
= nl80211_policy
,
11675 .flags
= GENL_UNS_ADMIN_PERM
,
11676 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11677 NL80211_FLAG_NEED_RTNL
,
11680 .cmd
= NL80211_CMD_SET_MAC_ACL
,
11681 .doit
= nl80211_set_mac_acl
,
11682 .policy
= nl80211_policy
,
11683 .flags
= GENL_UNS_ADMIN_PERM
,
11684 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11685 NL80211_FLAG_NEED_RTNL
,
11688 .cmd
= NL80211_CMD_RADAR_DETECT
,
11689 .doit
= nl80211_start_radar_detection
,
11690 .policy
= nl80211_policy
,
11691 .flags
= GENL_UNS_ADMIN_PERM
,
11692 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11693 NL80211_FLAG_NEED_RTNL
,
11696 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
11697 .doit
= nl80211_get_protocol_features
,
11698 .policy
= nl80211_policy
,
11701 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
11702 .doit
= nl80211_update_ft_ies
,
11703 .policy
= nl80211_policy
,
11704 .flags
= GENL_UNS_ADMIN_PERM
,
11705 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11706 NL80211_FLAG_NEED_RTNL
,
11709 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
11710 .doit
= nl80211_crit_protocol_start
,
11711 .policy
= nl80211_policy
,
11712 .flags
= GENL_UNS_ADMIN_PERM
,
11713 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11714 NL80211_FLAG_NEED_RTNL
,
11717 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
11718 .doit
= nl80211_crit_protocol_stop
,
11719 .policy
= nl80211_policy
,
11720 .flags
= GENL_UNS_ADMIN_PERM
,
11721 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11722 NL80211_FLAG_NEED_RTNL
,
11725 .cmd
= NL80211_CMD_GET_COALESCE
,
11726 .doit
= nl80211_get_coalesce
,
11727 .policy
= nl80211_policy
,
11728 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11729 NL80211_FLAG_NEED_RTNL
,
11732 .cmd
= NL80211_CMD_SET_COALESCE
,
11733 .doit
= nl80211_set_coalesce
,
11734 .policy
= nl80211_policy
,
11735 .flags
= GENL_UNS_ADMIN_PERM
,
11736 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11737 NL80211_FLAG_NEED_RTNL
,
11740 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
11741 .doit
= nl80211_channel_switch
,
11742 .policy
= nl80211_policy
,
11743 .flags
= GENL_UNS_ADMIN_PERM
,
11744 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11745 NL80211_FLAG_NEED_RTNL
,
11748 .cmd
= NL80211_CMD_VENDOR
,
11749 .doit
= nl80211_vendor_cmd
,
11750 .dumpit
= nl80211_vendor_cmd_dump
,
11751 .policy
= nl80211_policy
,
11752 .flags
= GENL_UNS_ADMIN_PERM
,
11753 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11754 NL80211_FLAG_NEED_RTNL
,
11757 .cmd
= NL80211_CMD_SET_QOS_MAP
,
11758 .doit
= nl80211_set_qos_map
,
11759 .policy
= nl80211_policy
,
11760 .flags
= GENL_UNS_ADMIN_PERM
,
11761 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11762 NL80211_FLAG_NEED_RTNL
,
11765 .cmd
= NL80211_CMD_ADD_TX_TS
,
11766 .doit
= nl80211_add_tx_ts
,
11767 .policy
= nl80211_policy
,
11768 .flags
= GENL_UNS_ADMIN_PERM
,
11769 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11770 NL80211_FLAG_NEED_RTNL
,
11773 .cmd
= NL80211_CMD_DEL_TX_TS
,
11774 .doit
= nl80211_del_tx_ts
,
11775 .policy
= nl80211_policy
,
11776 .flags
= GENL_UNS_ADMIN_PERM
,
11777 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11778 NL80211_FLAG_NEED_RTNL
,
11781 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
11782 .doit
= nl80211_tdls_channel_switch
,
11783 .policy
= nl80211_policy
,
11784 .flags
= GENL_UNS_ADMIN_PERM
,
11785 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11786 NL80211_FLAG_NEED_RTNL
,
11789 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
11790 .doit
= nl80211_tdls_cancel_channel_switch
,
11791 .policy
= nl80211_policy
,
11792 .flags
= GENL_UNS_ADMIN_PERM
,
11793 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11794 NL80211_FLAG_NEED_RTNL
,
11798 /* notification functions */
11800 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
11801 enum nl80211_commands cmd
)
11803 struct sk_buff
*msg
;
11804 struct nl80211_dump_wiphy_state state
= {};
11806 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
11807 cmd
!= NL80211_CMD_DEL_WIPHY
);
11809 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11813 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
11818 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11819 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
11822 static int nl80211_add_scan_req(struct sk_buff
*msg
,
11823 struct cfg80211_registered_device
*rdev
)
11825 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
11826 struct nlattr
*nest
;
11832 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
11834 goto nla_put_failure
;
11835 for (i
= 0; i
< req
->n_ssids
; i
++) {
11836 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
11837 goto nla_put_failure
;
11839 nla_nest_end(msg
, nest
);
11841 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
11843 goto nla_put_failure
;
11844 for (i
= 0; i
< req
->n_channels
; i
++) {
11845 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
11846 goto nla_put_failure
;
11848 nla_nest_end(msg
, nest
);
11851 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
11852 goto nla_put_failure
;
11855 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
11856 goto nla_put_failure
;
11858 if (req
->info
.scan_start_tsf
&&
11859 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
11860 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
11861 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
11862 req
->info
.tsf_bssid
)))
11863 goto nla_put_failure
;
11870 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
11871 struct cfg80211_registered_device
*rdev
,
11872 struct wireless_dev
*wdev
,
11873 u32 portid
, u32 seq
, int flags
,
11878 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11882 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11883 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11884 wdev
->netdev
->ifindex
)) ||
11885 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11887 goto nla_put_failure
;
11889 /* ignore errors and send incomplete event anyway */
11890 nl80211_add_scan_req(msg
, rdev
);
11892 genlmsg_end(msg
, hdr
);
11896 genlmsg_cancel(msg
, hdr
);
11901 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
11902 struct cfg80211_registered_device
*rdev
,
11903 struct net_device
*netdev
,
11904 u32 portid
, u32 seq
, int flags
, u32 cmd
)
11908 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11912 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11913 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11914 goto nla_put_failure
;
11916 genlmsg_end(msg
, hdr
);
11920 genlmsg_cancel(msg
, hdr
);
11924 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
11925 struct wireless_dev
*wdev
)
11927 struct sk_buff
*msg
;
11929 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11933 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11934 NL80211_CMD_TRIGGER_SCAN
) < 0) {
11939 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11940 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11943 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
11944 struct wireless_dev
*wdev
, bool aborted
)
11946 struct sk_buff
*msg
;
11948 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11952 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11953 aborted
? NL80211_CMD_SCAN_ABORTED
:
11954 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
11962 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
11963 struct sk_buff
*msg
)
11968 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11969 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11972 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
11973 struct net_device
*netdev
)
11975 struct sk_buff
*msg
;
11977 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11981 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
11982 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
11987 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11988 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11991 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
11992 struct net_device
*netdev
, u32 cmd
)
11994 struct sk_buff
*msg
;
11996 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12000 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
12005 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12006 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
12009 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
12010 struct regulatory_request
*request
)
12012 /* Userspace can always count this one always being set */
12013 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
12014 goto nla_put_failure
;
12016 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
12017 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12018 NL80211_REGDOM_TYPE_WORLD
))
12019 goto nla_put_failure
;
12020 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
12021 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12022 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
12023 goto nla_put_failure
;
12024 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
12025 request
->intersect
) {
12026 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12027 NL80211_REGDOM_TYPE_INTERSECTION
))
12028 goto nla_put_failure
;
12030 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12031 NL80211_REGDOM_TYPE_COUNTRY
) ||
12032 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
12034 goto nla_put_failure
;
12037 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
12038 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
12041 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
12042 goto nla_put_failure
;
12045 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
12046 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
12047 goto nla_put_failure
;
12057 * This can happen on global regulatory changes or device specific settings
12058 * based on custom regulatory domains.
12060 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
12061 struct regulatory_request
*request
)
12063 struct sk_buff
*msg
;
12066 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12070 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
12076 if (nl80211_reg_change_event_fill(msg
, request
) == false)
12077 goto nla_put_failure
;
12079 genlmsg_end(msg
, hdr
);
12082 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
12083 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
12089 genlmsg_cancel(msg
, hdr
);
12093 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
12094 struct net_device
*netdev
,
12095 const u8
*buf
, size_t len
,
12096 enum nl80211_commands cmd
, gfp_t gfp
,
12099 struct sk_buff
*msg
;
12102 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12106 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12112 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12113 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12114 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
12115 goto nla_put_failure
;
12117 if (uapsd_queues
>= 0) {
12118 struct nlattr
*nla_wmm
=
12119 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
12121 goto nla_put_failure
;
12123 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
12125 goto nla_put_failure
;
12127 nla_nest_end(msg
, nla_wmm
);
12130 genlmsg_end(msg
, hdr
);
12132 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12133 NL80211_MCGRP_MLME
, gfp
);
12137 genlmsg_cancel(msg
, hdr
);
12141 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
12142 struct net_device
*netdev
, const u8
*buf
,
12143 size_t len
, gfp_t gfp
)
12145 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12146 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
12149 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
12150 struct net_device
*netdev
, const u8
*buf
,
12151 size_t len
, gfp_t gfp
, int uapsd_queues
)
12153 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12154 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
12157 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
12158 struct net_device
*netdev
, const u8
*buf
,
12159 size_t len
, gfp_t gfp
)
12161 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12162 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
12165 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
12166 struct net_device
*netdev
, const u8
*buf
,
12167 size_t len
, gfp_t gfp
)
12169 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12170 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
12173 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
12176 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12177 struct wiphy
*wiphy
= wdev
->wiphy
;
12178 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12179 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
12182 if (WARN_ON(len
< 2))
12185 if (ieee80211_is_deauth(mgmt
->frame_control
))
12186 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
12188 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
12190 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
12191 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
12193 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
12195 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
12196 struct net_device
*netdev
, int cmd
,
12197 const u8
*addr
, gfp_t gfp
)
12199 struct sk_buff
*msg
;
12202 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12206 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12212 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12213 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12214 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
12215 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
12216 goto nla_put_failure
;
12218 genlmsg_end(msg
, hdr
);
12220 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12221 NL80211_MCGRP_MLME
, gfp
);
12225 genlmsg_cancel(msg
, hdr
);
12229 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
12230 struct net_device
*netdev
, const u8
*addr
,
12233 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
12237 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
12238 struct net_device
*netdev
, const u8
*addr
,
12241 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
12245 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
12246 struct net_device
*netdev
, const u8
*bssid
,
12247 const u8
*req_ie
, size_t req_ie_len
,
12248 const u8
*resp_ie
, size_t resp_ie_len
,
12249 int status
, gfp_t gfp
)
12251 struct sk_buff
*msg
;
12254 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12258 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
12264 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12265 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12266 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
12267 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
12268 status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
12270 (status
< 0 && nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
)) ||
12272 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
12274 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
12275 goto nla_put_failure
;
12277 genlmsg_end(msg
, hdr
);
12279 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12280 NL80211_MCGRP_MLME
, gfp
);
12284 genlmsg_cancel(msg
, hdr
);
12288 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
12289 struct net_device
*netdev
, const u8
*bssid
,
12290 const u8
*req_ie
, size_t req_ie_len
,
12291 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
12293 struct sk_buff
*msg
;
12296 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12300 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
12306 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12307 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12308 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
12310 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
12312 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
12313 goto nla_put_failure
;
12315 genlmsg_end(msg
, hdr
);
12317 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12318 NL80211_MCGRP_MLME
, gfp
);
12322 genlmsg_cancel(msg
, hdr
);
12326 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
12327 struct net_device
*netdev
, u16 reason
,
12328 const u8
*ie
, size_t ie_len
, bool from_ap
)
12330 struct sk_buff
*msg
;
12333 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12337 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
12343 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12344 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12345 (from_ap
&& reason
&&
12346 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
12348 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
12349 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
12350 goto nla_put_failure
;
12352 genlmsg_end(msg
, hdr
);
12354 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12355 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12359 genlmsg_cancel(msg
, hdr
);
12363 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
12364 struct net_device
*netdev
, const u8
*bssid
,
12367 struct sk_buff
*msg
;
12370 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12374 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
12380 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12381 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12382 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12383 goto nla_put_failure
;
12385 genlmsg_end(msg
, hdr
);
12387 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12388 NL80211_MCGRP_MLME
, gfp
);
12392 genlmsg_cancel(msg
, hdr
);
12396 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
12397 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
12399 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12400 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12401 struct sk_buff
*msg
;
12404 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
12407 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
12409 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12413 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
12419 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12420 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12421 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12423 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
12424 goto nla_put_failure
;
12426 genlmsg_end(msg
, hdr
);
12428 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12429 NL80211_MCGRP_MLME
, gfp
);
12433 genlmsg_cancel(msg
, hdr
);
12436 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
12438 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
12439 struct net_device
*netdev
, const u8
*addr
,
12440 enum nl80211_key_type key_type
, int key_id
,
12441 const u8
*tsc
, gfp_t gfp
)
12443 struct sk_buff
*msg
;
12446 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12450 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
12456 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12457 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12458 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
12459 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
12461 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
12462 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
12463 goto nla_put_failure
;
12465 genlmsg_end(msg
, hdr
);
12467 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12468 NL80211_MCGRP_MLME
, gfp
);
12472 genlmsg_cancel(msg
, hdr
);
12476 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
12477 struct ieee80211_channel
*channel_before
,
12478 struct ieee80211_channel
*channel_after
)
12480 struct sk_buff
*msg
;
12482 struct nlattr
*nl_freq
;
12484 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
12488 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
12495 * Since we are applying the beacon hint to a wiphy we know its
12496 * wiphy_idx is valid
12498 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
12499 goto nla_put_failure
;
12502 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
12504 goto nla_put_failure
;
12505 if (nl80211_msg_put_channel(msg
, channel_before
, false))
12506 goto nla_put_failure
;
12507 nla_nest_end(msg
, nl_freq
);
12510 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
12512 goto nla_put_failure
;
12513 if (nl80211_msg_put_channel(msg
, channel_after
, false))
12514 goto nla_put_failure
;
12515 nla_nest_end(msg
, nl_freq
);
12517 genlmsg_end(msg
, hdr
);
12520 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
12521 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
12527 genlmsg_cancel(msg
, hdr
);
12531 static void nl80211_send_remain_on_chan_event(
12532 int cmd
, struct cfg80211_registered_device
*rdev
,
12533 struct wireless_dev
*wdev
, u64 cookie
,
12534 struct ieee80211_channel
*chan
,
12535 unsigned int duration
, gfp_t gfp
)
12537 struct sk_buff
*msg
;
12540 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12544 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12550 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12551 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12552 wdev
->netdev
->ifindex
)) ||
12553 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12554 NL80211_ATTR_PAD
) ||
12555 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
12556 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
12557 NL80211_CHAN_NO_HT
) ||
12558 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
12560 goto nla_put_failure
;
12562 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
12563 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
12564 goto nla_put_failure
;
12566 genlmsg_end(msg
, hdr
);
12568 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12569 NL80211_MCGRP_MLME
, gfp
);
12573 genlmsg_cancel(msg
, hdr
);
12577 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
12578 struct ieee80211_channel
*chan
,
12579 unsigned int duration
, gfp_t gfp
)
12581 struct wiphy
*wiphy
= wdev
->wiphy
;
12582 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12584 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
12585 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
12586 rdev
, wdev
, cookie
, chan
,
12589 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
12591 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
12592 struct ieee80211_channel
*chan
,
12595 struct wiphy
*wiphy
= wdev
->wiphy
;
12596 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12598 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
12599 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12600 rdev
, wdev
, cookie
, chan
, 0, gfp
);
12602 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
12604 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
12605 struct station_info
*sinfo
, gfp_t gfp
)
12607 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12608 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12609 struct sk_buff
*msg
;
12611 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
12613 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12617 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
12618 rdev
, dev
, mac_addr
, sinfo
) < 0) {
12623 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12624 NL80211_MCGRP_MLME
, gfp
);
12626 EXPORT_SYMBOL(cfg80211_new_sta
);
12628 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
12629 struct station_info
*sinfo
, gfp_t gfp
)
12631 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12632 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12633 struct sk_buff
*msg
;
12634 struct station_info empty_sinfo
= {};
12637 sinfo
= &empty_sinfo
;
12639 trace_cfg80211_del_sta(dev
, mac_addr
);
12641 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12645 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
12646 rdev
, dev
, mac_addr
, sinfo
) < 0) {
12651 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12652 NL80211_MCGRP_MLME
, gfp
);
12654 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
12656 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
12657 enum nl80211_connect_failed_reason reason
,
12660 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12661 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12662 struct sk_buff
*msg
;
12665 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
12669 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
12675 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12676 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
12677 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
12678 goto nla_put_failure
;
12680 genlmsg_end(msg
, hdr
);
12682 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12683 NL80211_MCGRP_MLME
, gfp
);
12687 genlmsg_cancel(msg
, hdr
);
12690 EXPORT_SYMBOL(cfg80211_conn_failed
);
12692 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
12693 const u8
*addr
, gfp_t gfp
)
12695 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12696 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12697 struct sk_buff
*msg
;
12699 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
12704 msg
= nlmsg_new(100, gfp
);
12708 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12714 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12715 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12716 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
12717 goto nla_put_failure
;
12719 genlmsg_end(msg
, hdr
);
12720 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12724 genlmsg_cancel(msg
, hdr
);
12729 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
12730 const u8
*addr
, gfp_t gfp
)
12732 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12735 trace_cfg80211_rx_spurious_frame(dev
, addr
);
12737 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12738 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
12739 trace_cfg80211_return_bool(false);
12742 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
12744 trace_cfg80211_return_bool(ret
);
12747 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
12749 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
12750 const u8
*addr
, gfp_t gfp
)
12752 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12755 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
12757 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12758 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
12759 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
12760 trace_cfg80211_return_bool(false);
12763 ret
= __nl80211_unexpected_frame(dev
,
12764 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
12766 trace_cfg80211_return_bool(ret
);
12769 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
12771 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
12772 struct wireless_dev
*wdev
, u32 nlportid
,
12773 int freq
, int sig_dbm
,
12774 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
12776 struct net_device
*netdev
= wdev
->netdev
;
12777 struct sk_buff
*msg
;
12780 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12784 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12790 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12791 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12792 netdev
->ifindex
)) ||
12793 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12794 NL80211_ATTR_PAD
) ||
12795 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
12797 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12798 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12800 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
12801 goto nla_put_failure
;
12803 genlmsg_end(msg
, hdr
);
12805 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12808 genlmsg_cancel(msg
, hdr
);
12813 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
12814 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
12816 struct wiphy
*wiphy
= wdev
->wiphy
;
12817 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12818 struct net_device
*netdev
= wdev
->netdev
;
12819 struct sk_buff
*msg
;
12822 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
12824 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12828 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
12834 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12835 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12836 netdev
->ifindex
)) ||
12837 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12838 NL80211_ATTR_PAD
) ||
12839 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12840 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
12841 NL80211_ATTR_PAD
) ||
12842 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12843 goto nla_put_failure
;
12845 genlmsg_end(msg
, hdr
);
12847 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12848 NL80211_MCGRP_MLME
, gfp
);
12852 genlmsg_cancel(msg
, hdr
);
12855 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
12857 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
12858 const char *mac
, gfp_t gfp
)
12860 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12861 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12862 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12868 cb
= (void **)msg
->cb
;
12870 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
12876 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12877 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
12878 goto nla_put_failure
;
12880 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
12881 goto nla_put_failure
;
12883 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
12885 goto nla_put_failure
;
12895 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
12897 void **cb
= (void **)msg
->cb
;
12898 struct cfg80211_registered_device
*rdev
= cb
[2];
12900 nla_nest_end(msg
, cb
[1]);
12901 genlmsg_end(msg
, cb
[0]);
12903 memset(msg
->cb
, 0, sizeof(msg
->cb
));
12905 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12906 NL80211_MCGRP_MLME
, gfp
);
12909 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
12910 enum nl80211_cqm_rssi_threshold_event rssi_event
,
12913 struct sk_buff
*msg
;
12915 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
12917 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
12918 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
12921 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12925 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
12927 goto nla_put_failure
;
12929 cfg80211_send_cqm(msg
, gfp
);
12936 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
12938 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
12939 const u8
*peer
, u32 num_packets
,
12940 u32 rate
, u32 intvl
, gfp_t gfp
)
12942 struct sk_buff
*msg
;
12944 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12948 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12949 goto nla_put_failure
;
12951 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12952 goto nla_put_failure
;
12954 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12955 goto nla_put_failure
;
12957 cfg80211_send_cqm(msg
, gfp
);
12963 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12965 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12966 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12968 struct sk_buff
*msg
;
12970 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12972 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12976 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12977 goto nla_put_failure
;
12979 cfg80211_send_cqm(msg
, gfp
);
12985 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12987 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
12989 struct sk_buff
*msg
;
12991 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12995 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
12996 goto nla_put_failure
;
12998 cfg80211_send_cqm(msg
, gfp
);
13004 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
13006 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
13007 struct net_device
*netdev
, const u8
*bssid
,
13008 const u8
*replay_ctr
, gfp_t gfp
)
13010 struct sk_buff
*msg
;
13011 struct nlattr
*rekey_attr
;
13014 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13018 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
13024 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13025 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13026 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13027 goto nla_put_failure
;
13029 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
13031 goto nla_put_failure
;
13033 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
13034 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
13035 goto nla_put_failure
;
13037 nla_nest_end(msg
, rekey_attr
);
13039 genlmsg_end(msg
, hdr
);
13041 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13042 NL80211_MCGRP_MLME
, gfp
);
13046 genlmsg_cancel(msg
, hdr
);
13050 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
13051 const u8
*replay_ctr
, gfp_t gfp
)
13053 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13054 struct wiphy
*wiphy
= wdev
->wiphy
;
13055 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13057 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
13058 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
13060 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
13063 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
13064 struct net_device
*netdev
, int index
,
13065 const u8
*bssid
, bool preauth
, gfp_t gfp
)
13067 struct sk_buff
*msg
;
13068 struct nlattr
*attr
;
13071 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13075 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
13081 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13082 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
13083 goto nla_put_failure
;
13085 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
13087 goto nla_put_failure
;
13089 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
13090 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
13092 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
13093 goto nla_put_failure
;
13095 nla_nest_end(msg
, attr
);
13097 genlmsg_end(msg
, hdr
);
13099 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13100 NL80211_MCGRP_MLME
, gfp
);
13104 genlmsg_cancel(msg
, hdr
);
13108 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
13109 const u8
*bssid
, bool preauth
, gfp_t gfp
)
13111 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13112 struct wiphy
*wiphy
= wdev
->wiphy
;
13113 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13115 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
13116 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
13118 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
13120 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
13121 struct net_device
*netdev
,
13122 struct cfg80211_chan_def
*chandef
,
13124 enum nl80211_commands notif
,
13127 struct sk_buff
*msg
;
13130 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13134 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
13140 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
13141 goto nla_put_failure
;
13143 if (nl80211_send_chandef(msg
, chandef
))
13144 goto nla_put_failure
;
13146 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
13147 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
13148 goto nla_put_failure
;
13150 genlmsg_end(msg
, hdr
);
13152 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13153 NL80211_MCGRP_MLME
, gfp
);
13157 genlmsg_cancel(msg
, hdr
);
13161 void cfg80211_ch_switch_notify(struct net_device
*dev
,
13162 struct cfg80211_chan_def
*chandef
)
13164 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13165 struct wiphy
*wiphy
= wdev
->wiphy
;
13166 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13168 ASSERT_WDEV_LOCK(wdev
);
13170 trace_cfg80211_ch_switch_notify(dev
, chandef
);
13172 wdev
->chandef
= *chandef
;
13173 wdev
->preset_chandef
= *chandef
;
13174 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
13175 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
13177 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
13179 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
13180 struct cfg80211_chan_def
*chandef
,
13183 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13184 struct wiphy
*wiphy
= wdev
->wiphy
;
13185 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13187 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
13189 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
13190 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
13192 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
13195 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
13196 const struct cfg80211_chan_def
*chandef
,
13197 enum nl80211_radar_event event
,
13198 struct net_device
*netdev
, gfp_t gfp
)
13200 struct sk_buff
*msg
;
13203 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13207 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
13213 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
13214 goto nla_put_failure
;
13216 /* NOP and radar events don't need a netdev parameter */
13218 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
13220 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13221 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13223 goto nla_put_failure
;
13226 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
13227 goto nla_put_failure
;
13229 if (nl80211_send_chandef(msg
, chandef
))
13230 goto nla_put_failure
;
13232 genlmsg_end(msg
, hdr
);
13234 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13235 NL80211_MCGRP_MLME
, gfp
);
13239 genlmsg_cancel(msg
, hdr
);
13243 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
13244 u64 cookie
, bool acked
, gfp_t gfp
)
13246 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13247 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13248 struct sk_buff
*msg
;
13251 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
13253 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13258 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
13264 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13265 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13266 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
13267 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
13268 NL80211_ATTR_PAD
) ||
13269 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
13270 goto nla_put_failure
;
13272 genlmsg_end(msg
, hdr
);
13274 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13275 NL80211_MCGRP_MLME
, gfp
);
13279 genlmsg_cancel(msg
, hdr
);
13282 EXPORT_SYMBOL(cfg80211_probe_status
);
13284 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
13285 const u8
*frame
, size_t len
,
13286 int freq
, int sig_dbm
)
13288 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13289 struct sk_buff
*msg
;
13291 struct cfg80211_beacon_registration
*reg
;
13293 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
13295 spin_lock_bh(&rdev
->beacon_registrations_lock
);
13296 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
13297 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
13299 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13303 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
13305 goto nla_put_failure
;
13307 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13309 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
13311 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
13312 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
13313 goto nla_put_failure
;
13315 genlmsg_end(msg
, hdr
);
13317 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
13319 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13323 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13325 genlmsg_cancel(msg
, hdr
);
13328 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
13331 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
13332 struct cfg80211_wowlan_wakeup
*wakeup
)
13334 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
13335 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
13338 nl_results
= nla_nest_start(
13339 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
13343 for (i
= 0; i
< nd
->n_matches
; i
++) {
13344 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
13346 nl_match
= nla_nest_start(msg
, i
);
13350 /* The SSID attribute is optional in nl80211, but for
13351 * simplicity reasons it's always present in the
13352 * cfg80211 structure. If a driver can't pass the
13353 * SSID, that needs to be changed. A zero length SSID
13354 * is still a valid SSID (wildcard), so it cannot be
13355 * used for this purpose.
13357 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
13358 match
->ssid
.ssid
)) {
13359 nla_nest_cancel(msg
, nl_match
);
13363 if (match
->n_channels
) {
13364 nl_freqs
= nla_nest_start(
13365 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13367 nla_nest_cancel(msg
, nl_match
);
13371 for (j
= 0; j
< match
->n_channels
; j
++) {
13372 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
13373 nla_nest_cancel(msg
, nl_freqs
);
13374 nla_nest_cancel(msg
, nl_match
);
13379 nla_nest_end(msg
, nl_freqs
);
13382 nla_nest_end(msg
, nl_match
);
13386 nla_nest_end(msg
, nl_results
);
13390 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
13391 struct cfg80211_wowlan_wakeup
*wakeup
,
13394 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13395 struct sk_buff
*msg
;
13399 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
13402 size
+= wakeup
->packet_present_len
;
13404 msg
= nlmsg_new(size
, gfp
);
13408 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
13412 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13413 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13417 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13418 wdev
->netdev
->ifindex
))
13422 struct nlattr
*reasons
;
13424 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
13428 if (wakeup
->disconnect
&&
13429 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
13431 if (wakeup
->magic_pkt
&&
13432 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
13434 if (wakeup
->gtk_rekey_failure
&&
13435 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
13437 if (wakeup
->eap_identity_req
&&
13438 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
13440 if (wakeup
->four_way_handshake
&&
13441 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
13443 if (wakeup
->rfkill_release
&&
13444 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
13447 if (wakeup
->pattern_idx
>= 0 &&
13448 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
13449 wakeup
->pattern_idx
))
13452 if (wakeup
->tcp_match
&&
13453 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
13456 if (wakeup
->tcp_connlost
&&
13457 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
13460 if (wakeup
->tcp_nomoretokens
&&
13462 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
13465 if (wakeup
->packet
) {
13466 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
13467 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
13469 if (!wakeup
->packet_80211
) {
13471 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
13473 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
13476 if (wakeup
->packet_len
&&
13477 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
13480 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
13485 if (wakeup
->net_detect
&&
13486 cfg80211_net_detect_results(msg
, wakeup
))
13489 nla_nest_end(msg
, reasons
);
13492 genlmsg_end(msg
, hdr
);
13494 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13495 NL80211_MCGRP_MLME
, gfp
);
13501 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
13504 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
13505 enum nl80211_tdls_operation oper
,
13506 u16 reason_code
, gfp_t gfp
)
13508 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13509 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13510 struct sk_buff
*msg
;
13513 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
13516 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13520 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
13526 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13527 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13528 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
13529 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
13530 (reason_code
> 0 &&
13531 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
13532 goto nla_put_failure
;
13534 genlmsg_end(msg
, hdr
);
13536 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13537 NL80211_MCGRP_MLME
, gfp
);
13541 genlmsg_cancel(msg
, hdr
);
13544 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
13546 static int nl80211_netlink_notify(struct notifier_block
* nb
,
13547 unsigned long state
,
13550 struct netlink_notify
*notify
= _notify
;
13551 struct cfg80211_registered_device
*rdev
;
13552 struct wireless_dev
*wdev
;
13553 struct cfg80211_beacon_registration
*reg
, *tmp
;
13555 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
13556 return NOTIFY_DONE
;
13560 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
13561 bool schedule_destroy_work
= false;
13562 bool schedule_scan_stop
= false;
13563 struct cfg80211_sched_scan_request
*sched_scan_req
=
13564 rcu_dereference(rdev
->sched_scan_req
);
13566 if (sched_scan_req
&& notify
->portid
&&
13567 sched_scan_req
->owner_nlportid
== notify
->portid
)
13568 schedule_scan_stop
= true;
13570 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
13571 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
13573 if (wdev
->owner_nlportid
== notify
->portid
)
13574 schedule_destroy_work
= true;
13577 spin_lock_bh(&rdev
->beacon_registrations_lock
);
13578 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
13580 if (reg
->nlportid
== notify
->portid
) {
13581 list_del(®
->list
);
13586 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13588 if (schedule_destroy_work
) {
13589 struct cfg80211_iface_destroy
*destroy
;
13591 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
13593 destroy
->nlportid
= notify
->portid
;
13594 spin_lock(&rdev
->destroy_list_lock
);
13595 list_add(&destroy
->list
, &rdev
->destroy_list
);
13596 spin_unlock(&rdev
->destroy_list_lock
);
13597 schedule_work(&rdev
->destroy_work
);
13599 } else if (schedule_scan_stop
) {
13600 sched_scan_req
->owner_nlportid
= 0;
13602 if (rdev
->ops
->sched_scan_stop
&&
13603 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
13604 schedule_work(&rdev
->sched_scan_stop_wk
);
13611 * It is possible that the user space process that is controlling the
13612 * indoor setting disappeared, so notify the regulatory core.
13614 regulatory_netlink_notify(notify
->portid
);
13618 static struct notifier_block nl80211_netlink_notifier
= {
13619 .notifier_call
= nl80211_netlink_notify
,
13622 void cfg80211_ft_event(struct net_device
*netdev
,
13623 struct cfg80211_ft_event_params
*ft_event
)
13625 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
13626 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13627 struct sk_buff
*msg
;
13630 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
13632 if (!ft_event
->target_ap
)
13635 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13639 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
13643 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13644 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13645 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
13648 if (ft_event
->ies
&&
13649 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
13651 if (ft_event
->ric_ies
&&
13652 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
13653 ft_event
->ric_ies
))
13656 genlmsg_end(msg
, hdr
);
13658 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13659 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13664 EXPORT_SYMBOL(cfg80211_ft_event
);
13666 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
13668 struct cfg80211_registered_device
*rdev
;
13669 struct sk_buff
*msg
;
13673 rdev
= wiphy_to_rdev(wdev
->wiphy
);
13674 if (!rdev
->crit_proto_nlportid
)
13677 nlportid
= rdev
->crit_proto_nlportid
;
13678 rdev
->crit_proto_nlportid
= 0;
13680 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13684 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
13686 goto nla_put_failure
;
13688 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13689 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13691 goto nla_put_failure
;
13693 genlmsg_end(msg
, hdr
);
13695 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
13700 genlmsg_cancel(msg
, hdr
);
13703 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
13705 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
13707 struct wiphy
*wiphy
= wdev
->wiphy
;
13708 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13709 struct sk_buff
*msg
;
13712 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13716 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
13720 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13721 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
13722 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13726 genlmsg_end(msg
, hdr
);
13728 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
13729 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13735 /* initialisation/exit functions */
13737 int nl80211_init(void)
13741 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
13746 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
13752 genl_unregister_family(&nl80211_fam
);
13756 void nl80211_exit(void)
13758 netlink_unregister_notifier(&nl80211_netlink_notifier
);
13759 genl_unregister_family(&nl80211_fam
);