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
;
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) {
2859 * For wdevs which have no associated netdev object (e.g. of type
2860 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
2861 * For all other types, the event will be generated from the
2865 nl80211_notify_iface(rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
);
2867 return genlmsg_reply(msg
, info
);
2870 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2872 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2873 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2875 if (!rdev
->ops
->del_virtual_intf
)
2879 * If we remove a wireless device without a netdev then clear
2880 * user_ptr[1] so that nl80211_post_doit won't dereference it
2881 * to check if it needs to do dev_put(). Otherwise it crashes
2882 * since the wdev has been freed, unlike with a netdev where
2883 * we need the dev_put() for the netdev to really be freed.
2886 info
->user_ptr
[1] = NULL
;
2888 return rdev_del_virtual_intf(rdev
, wdev
);
2891 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2893 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2894 struct net_device
*dev
= info
->user_ptr
[1];
2897 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2900 if (!rdev
->ops
->set_noack_map
)
2903 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2905 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2908 struct get_key_cookie
{
2909 struct sk_buff
*msg
;
2914 static void get_key_callback(void *c
, struct key_params
*params
)
2917 struct get_key_cookie
*cookie
= c
;
2920 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2921 params
->key_len
, params
->key
)) ||
2923 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2924 params
->seq_len
, params
->seq
)) ||
2926 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2928 goto nla_put_failure
;
2930 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2932 goto nla_put_failure
;
2935 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2936 params
->key_len
, params
->key
)) ||
2938 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2939 params
->seq_len
, params
->seq
)) ||
2941 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2943 goto nla_put_failure
;
2945 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2946 goto nla_put_failure
;
2948 nla_nest_end(cookie
->msg
, key
);
2955 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2957 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2959 struct net_device
*dev
= info
->user_ptr
[1];
2961 const u8
*mac_addr
= NULL
;
2963 struct get_key_cookie cookie
= {
2967 struct sk_buff
*msg
;
2969 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2970 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2975 if (info
->attrs
[NL80211_ATTR_MAC
])
2976 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2978 pairwise
= !!mac_addr
;
2979 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2980 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2982 if (kt
>= NUM_NL80211_KEYTYPES
)
2984 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2985 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2987 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2990 if (!rdev
->ops
->get_key
)
2993 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2996 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3000 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3001 NL80211_CMD_NEW_KEY
);
3003 goto nla_put_failure
;
3006 cookie
.idx
= key_idx
;
3008 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3009 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3010 goto nla_put_failure
;
3012 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3013 goto nla_put_failure
;
3015 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3022 goto nla_put_failure
;
3024 genlmsg_end(msg
, hdr
);
3025 return genlmsg_reply(msg
, info
);
3034 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3037 struct key_parse key
;
3039 struct net_device
*dev
= info
->user_ptr
[1];
3041 err
= nl80211_parse_key(info
, &key
);
3048 /* only support setting default key */
3049 if (!key
.def
&& !key
.defmgmt
)
3052 wdev_lock(dev
->ieee80211_ptr
);
3055 if (!rdev
->ops
->set_default_key
) {
3060 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3064 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3065 key
.def_uni
, key
.def_multi
);
3070 #ifdef CONFIG_CFG80211_WEXT
3071 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3074 if (key
.def_uni
|| !key
.def_multi
) {
3079 if (!rdev
->ops
->set_default_mgmt_key
) {
3084 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3088 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3092 #ifdef CONFIG_CFG80211_WEXT
3093 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3098 wdev_unlock(dev
->ieee80211_ptr
);
3103 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3105 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3107 struct net_device
*dev
= info
->user_ptr
[1];
3108 struct key_parse key
;
3109 const u8
*mac_addr
= NULL
;
3111 err
= nl80211_parse_key(info
, &key
);
3118 if (info
->attrs
[NL80211_ATTR_MAC
])
3119 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3121 if (key
.type
== -1) {
3123 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3125 key
.type
= NL80211_KEYTYPE_GROUP
;
3129 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3130 key
.type
!= NL80211_KEYTYPE_GROUP
)
3133 if (!rdev
->ops
->add_key
)
3136 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3137 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3141 wdev_lock(dev
->ieee80211_ptr
);
3142 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3144 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3145 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3147 wdev_unlock(dev
->ieee80211_ptr
);
3152 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3154 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3156 struct net_device
*dev
= info
->user_ptr
[1];
3157 u8
*mac_addr
= NULL
;
3158 struct key_parse key
;
3160 err
= nl80211_parse_key(info
, &key
);
3164 if (info
->attrs
[NL80211_ATTR_MAC
])
3165 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3167 if (key
.type
== -1) {
3169 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3171 key
.type
= NL80211_KEYTYPE_GROUP
;
3175 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3176 key
.type
!= NL80211_KEYTYPE_GROUP
)
3179 if (!rdev
->ops
->del_key
)
3182 wdev_lock(dev
->ieee80211_ptr
);
3183 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3185 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3186 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3190 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3191 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3194 #ifdef CONFIG_CFG80211_WEXT
3196 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3197 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3198 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3199 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3202 wdev_unlock(dev
->ieee80211_ptr
);
3207 /* This function returns an error or the number of nested attributes */
3208 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3210 struct nlattr
*attr
;
3211 int n_entries
= 0, tmp
;
3213 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3214 if (nla_len(attr
) != ETH_ALEN
)
3224 * This function parses ACL information and allocates memory for ACL data.
3225 * On successful return, the calling function is responsible to free the
3226 * ACL buffer returned by this function.
3228 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3229 struct genl_info
*info
)
3231 enum nl80211_acl_policy acl_policy
;
3232 struct nlattr
*attr
;
3233 struct cfg80211_acl_data
*acl
;
3234 int i
= 0, n_entries
, tmp
;
3236 if (!wiphy
->max_acl_mac_addrs
)
3237 return ERR_PTR(-EOPNOTSUPP
);
3239 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3240 return ERR_PTR(-EINVAL
);
3242 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3243 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3244 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3245 return ERR_PTR(-EINVAL
);
3247 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3248 return ERR_PTR(-EINVAL
);
3250 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3252 return ERR_PTR(n_entries
);
3254 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3255 return ERR_PTR(-ENOTSUPP
);
3257 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3260 return ERR_PTR(-ENOMEM
);
3262 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3263 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3267 acl
->n_acl_entries
= n_entries
;
3268 acl
->acl_policy
= acl_policy
;
3273 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3275 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3276 struct net_device
*dev
= info
->user_ptr
[1];
3277 struct cfg80211_acl_data
*acl
;
3280 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3281 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3284 if (!dev
->ieee80211_ptr
->beacon_interval
)
3287 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3289 return PTR_ERR(acl
);
3291 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3298 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3299 struct cfg80211_beacon_data
*bcn
)
3301 bool haveinfo
= false;
3303 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3304 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3305 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3306 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3309 memset(bcn
, 0, sizeof(*bcn
));
3311 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3312 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3313 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3319 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3320 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3321 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3328 if (attrs
[NL80211_ATTR_IE
]) {
3329 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3330 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3333 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3334 bcn
->proberesp_ies
=
3335 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3336 bcn
->proberesp_ies_len
=
3337 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3340 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3341 bcn
->assocresp_ies
=
3342 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3343 bcn
->assocresp_ies_len
=
3344 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3347 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3348 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3349 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3355 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3356 struct cfg80211_ap_settings
*params
)
3358 struct wireless_dev
*wdev
;
3361 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3362 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3363 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3366 if (!wdev
->preset_chandef
.chan
)
3369 params
->chandef
= wdev
->preset_chandef
;
3377 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3378 enum nl80211_auth_type auth_type
,
3379 enum nl80211_commands cmd
)
3381 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3385 case NL80211_CMD_AUTHENTICATE
:
3386 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3387 auth_type
== NL80211_AUTHTYPE_SAE
)
3390 case NL80211_CMD_CONNECT
:
3391 case NL80211_CMD_START_AP
:
3392 /* SAE not supported yet */
3393 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3401 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3403 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3404 struct net_device
*dev
= info
->user_ptr
[1];
3405 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3406 struct cfg80211_ap_settings params
;
3409 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3410 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3413 if (!rdev
->ops
->start_ap
)
3416 if (wdev
->beacon_interval
)
3419 memset(¶ms
, 0, sizeof(params
));
3421 /* these are required for START_AP */
3422 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3423 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3424 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3427 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3431 params
.beacon_interval
=
3432 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3433 params
.dtim_period
=
3434 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3436 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3441 * In theory, some of these attributes should be required here
3442 * but since they were not used when the command was originally
3443 * added, keep them optional for old user space programs to let
3444 * them continue to work with drivers that do not need the
3445 * additional information -- drivers must check!
3447 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3448 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3450 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3451 if (params
.ssid_len
== 0 ||
3452 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3456 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3457 params
.hidden_ssid
= nla_get_u32(
3458 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3459 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3460 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3461 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3465 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3467 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3468 params
.auth_type
= nla_get_u32(
3469 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3470 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3471 NL80211_CMD_START_AP
))
3474 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3476 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3477 NL80211_MAX_NR_CIPHER_SUITES
);
3481 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3482 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3484 params
.inactivity_timeout
= nla_get_u16(
3485 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3488 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3489 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3491 params
.p2p_ctwindow
=
3492 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3493 if (params
.p2p_ctwindow
> 127)
3495 if (params
.p2p_ctwindow
!= 0 &&
3496 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3500 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3503 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3505 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3508 params
.p2p_opp_ps
= tmp
;
3509 if (params
.p2p_opp_ps
!= 0 &&
3510 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3514 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3515 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3518 } else if (wdev
->preset_chandef
.chan
) {
3519 params
.chandef
= wdev
->preset_chandef
;
3520 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3523 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
3527 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3529 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3530 switch (params
.smps_mode
) {
3531 case NL80211_SMPS_OFF
:
3533 case NL80211_SMPS_STATIC
:
3534 if (!(rdev
->wiphy
.features
&
3535 NL80211_FEATURE_STATIC_SMPS
))
3538 case NL80211_SMPS_DYNAMIC
:
3539 if (!(rdev
->wiphy
.features
&
3540 NL80211_FEATURE_DYNAMIC_SMPS
))
3547 params
.smps_mode
= NL80211_SMPS_OFF
;
3550 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
3551 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
3554 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3555 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3556 if (IS_ERR(params
.acl
))
3557 return PTR_ERR(params
.acl
);
3561 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3563 wdev
->preset_chandef
= params
.chandef
;
3564 wdev
->beacon_interval
= params
.beacon_interval
;
3565 wdev
->chandef
= params
.chandef
;
3566 wdev
->ssid_len
= params
.ssid_len
;
3567 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3576 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3578 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3579 struct net_device
*dev
= info
->user_ptr
[1];
3580 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3581 struct cfg80211_beacon_data params
;
3584 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3585 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3588 if (!rdev
->ops
->change_beacon
)
3591 if (!wdev
->beacon_interval
)
3594 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3599 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3605 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3607 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3608 struct net_device
*dev
= info
->user_ptr
[1];
3610 return cfg80211_stop_ap(rdev
, dev
, false);
3613 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3614 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3615 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3616 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3617 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3618 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3619 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3622 static int parse_station_flags(struct genl_info
*info
,
3623 enum nl80211_iftype iftype
,
3624 struct station_parameters
*params
)
3626 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3631 * Try parsing the new attribute first so userspace
3632 * can specify both for older kernels.
3634 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3636 struct nl80211_sta_flag_update
*sta_flags
;
3638 sta_flags
= nla_data(nla
);
3639 params
->sta_flags_mask
= sta_flags
->mask
;
3640 params
->sta_flags_set
= sta_flags
->set
;
3641 params
->sta_flags_set
&= params
->sta_flags_mask
;
3642 if ((params
->sta_flags_mask
|
3643 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3648 /* if present, parse the old attribute */
3650 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3654 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3655 nla
, sta_flags_policy
))
3659 * Only allow certain flags for interface types so that
3660 * other attributes are silently ignored. Remember that
3661 * this is backward compatibility code with old userspace
3662 * and shouldn't be hit in other cases anyway.
3665 case NL80211_IFTYPE_AP
:
3666 case NL80211_IFTYPE_AP_VLAN
:
3667 case NL80211_IFTYPE_P2P_GO
:
3668 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3669 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3670 BIT(NL80211_STA_FLAG_WME
) |
3671 BIT(NL80211_STA_FLAG_MFP
);
3673 case NL80211_IFTYPE_P2P_CLIENT
:
3674 case NL80211_IFTYPE_STATION
:
3675 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3676 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3678 case NL80211_IFTYPE_MESH_POINT
:
3679 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3680 BIT(NL80211_STA_FLAG_MFP
) |
3681 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3686 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3688 params
->sta_flags_set
|= (1<<flag
);
3690 /* no longer support new API additions in old API */
3691 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3699 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3702 struct nlattr
*rate
;
3705 enum nl80211_attrs rate_flg
;
3707 rate
= nla_nest_start(msg
, attr
);
3711 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3712 bitrate
= cfg80211_calculate_bitrate(info
);
3713 /* report 16-bit bitrate only if we can */
3714 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3716 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3718 if (bitrate_compat
> 0 &&
3719 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3723 case RATE_INFO_BW_5
:
3724 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
3726 case RATE_INFO_BW_10
:
3727 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
3732 case RATE_INFO_BW_20
:
3735 case RATE_INFO_BW_40
:
3736 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
3738 case RATE_INFO_BW_80
:
3739 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
3741 case RATE_INFO_BW_160
:
3742 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
3746 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
3749 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3750 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3752 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3753 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3755 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3756 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3758 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3760 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3761 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3765 nla_nest_end(msg
, rate
);
3769 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3778 attr
= nla_nest_start(msg
, id
);
3782 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3783 if (!(mask
& BIT(i
)))
3786 if (nla_put_u8(msg
, i
, signal
[i
]))
3790 nla_nest_end(msg
, attr
);
3795 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
3797 struct cfg80211_registered_device
*rdev
,
3798 struct net_device
*dev
,
3799 const u8
*mac_addr
, struct station_info
*sinfo
)
3802 struct nlattr
*sinfoattr
, *bss_param
;
3804 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
3808 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3809 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3810 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3811 goto nla_put_failure
;
3813 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3815 goto nla_put_failure
;
3817 #define PUT_SINFO(attr, memb, type) do { \
3818 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
3819 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
3820 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
3822 goto nla_put_failure; \
3824 #define PUT_SINFO_U64(attr, memb) do { \
3825 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
3826 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
3827 sinfo->memb, NL80211_STA_INFO_PAD)) \
3828 goto nla_put_failure; \
3831 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
3832 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
3834 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
3835 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
3836 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3837 (u32
)sinfo
->rx_bytes
))
3838 goto nla_put_failure
;
3840 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
3841 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
3842 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3843 (u32
)sinfo
->tx_bytes
))
3844 goto nla_put_failure
;
3846 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
3847 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
3848 PUT_SINFO(LLID
, llid
, u16
);
3849 PUT_SINFO(PLID
, plid
, u16
);
3850 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
3851 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
3853 switch (rdev
->wiphy
.signal_type
) {
3854 case CFG80211_SIGNAL_TYPE_MBM
:
3855 PUT_SINFO(SIGNAL
, signal
, u8
);
3856 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
3861 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
3862 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3863 sinfo
->chain_signal
,
3864 NL80211_STA_INFO_CHAIN_SIGNAL
))
3865 goto nla_put_failure
;
3867 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
3868 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3869 sinfo
->chain_signal_avg
,
3870 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3871 goto nla_put_failure
;
3873 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
3874 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3875 NL80211_STA_INFO_TX_BITRATE
))
3876 goto nla_put_failure
;
3878 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
3879 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3880 NL80211_STA_INFO_RX_BITRATE
))
3881 goto nla_put_failure
;
3884 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
3885 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
3886 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
3887 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
3888 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
3889 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
3890 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
3891 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
3892 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
3894 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
3895 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3897 goto nla_put_failure
;
3899 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3900 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3901 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3902 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3903 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3904 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3905 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3906 sinfo
->bss_param
.dtim_period
) ||
3907 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3908 sinfo
->bss_param
.beacon_interval
))
3909 goto nla_put_failure
;
3911 nla_nest_end(msg
, bss_param
);
3913 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
3914 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3915 sizeof(struct nl80211_sta_flag_update
),
3917 goto nla_put_failure
;
3919 PUT_SINFO_U64(T_OFFSET
, t_offset
);
3920 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
3921 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
3922 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
3925 #undef PUT_SINFO_U64
3927 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
3928 struct nlattr
*tidsattr
;
3931 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
3933 goto nla_put_failure
;
3935 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
3936 struct cfg80211_tid_stats
*tidstats
;
3937 struct nlattr
*tidattr
;
3939 tidstats
= &sinfo
->pertid
[tid
];
3941 if (!tidstats
->filled
)
3944 tidattr
= nla_nest_start(msg
, tid
+ 1);
3946 goto nla_put_failure
;
3948 #define PUT_TIDVAL_U64(attr, memb) do { \
3949 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
3950 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
3951 tidstats->memb, NL80211_TID_STATS_PAD)) \
3952 goto nla_put_failure; \
3955 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
3956 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
3957 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
3958 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
3960 #undef PUT_TIDVAL_U64
3961 nla_nest_end(msg
, tidattr
);
3964 nla_nest_end(msg
, tidsattr
);
3967 nla_nest_end(msg
, sinfoattr
);
3969 if (sinfo
->assoc_req_ies_len
&&
3970 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3971 sinfo
->assoc_req_ies
))
3972 goto nla_put_failure
;
3974 genlmsg_end(msg
, hdr
);
3978 genlmsg_cancel(msg
, hdr
);
3982 static int nl80211_dump_station(struct sk_buff
*skb
,
3983 struct netlink_callback
*cb
)
3985 struct station_info sinfo
;
3986 struct cfg80211_registered_device
*rdev
;
3987 struct wireless_dev
*wdev
;
3988 u8 mac_addr
[ETH_ALEN
];
3989 int sta_idx
= cb
->args
[2];
3992 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3996 if (!wdev
->netdev
) {
4001 if (!rdev
->ops
->dump_station
) {
4007 memset(&sinfo
, 0, sizeof(sinfo
));
4008 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
4015 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
4016 NETLINK_CB(cb
->skb
).portid
,
4017 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4018 rdev
, wdev
->netdev
, mac_addr
,
4026 cb
->args
[2] = sta_idx
;
4029 nl80211_finish_wdev_dump(rdev
);
4034 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
4036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4037 struct net_device
*dev
= info
->user_ptr
[1];
4038 struct station_info sinfo
;
4039 struct sk_buff
*msg
;
4040 u8
*mac_addr
= NULL
;
4043 memset(&sinfo
, 0, sizeof(sinfo
));
4045 if (!info
->attrs
[NL80211_ATTR_MAC
])
4048 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4050 if (!rdev
->ops
->get_station
)
4053 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
4057 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4061 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4062 info
->snd_portid
, info
->snd_seq
, 0,
4063 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4068 return genlmsg_reply(msg
, info
);
4071 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4072 struct station_parameters
*params
,
4073 enum cfg80211_station_type statype
)
4075 if (params
->listen_interval
!= -1 &&
4076 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4079 if (params
->support_p2p_ps
!= -1 &&
4080 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4084 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4085 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4088 /* When you run into this, adjust the code below for the new flag */
4089 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4092 case CFG80211_STA_MESH_PEER_KERNEL
:
4093 case CFG80211_STA_MESH_PEER_USER
:
4095 * No ignoring the TDLS flag here -- the userspace mesh
4096 * code doesn't have the bug of including TDLS in the
4099 if (params
->sta_flags_mask
&
4100 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4101 BIT(NL80211_STA_FLAG_MFP
) |
4102 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4105 case CFG80211_STA_TDLS_PEER_SETUP
:
4106 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4107 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4109 /* ignore since it can't change */
4110 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4113 /* disallow mesh-specific things */
4114 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4116 if (params
->local_pm
)
4118 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4122 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4123 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4124 /* TDLS can't be set, ... */
4125 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4128 * ... but don't bother the driver with it. This works around
4129 * a hostapd/wpa_supplicant issue -- it always includes the
4130 * TLDS_PEER flag in the mask even for AP mode.
4132 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4135 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4136 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4137 /* reject other things that can't change */
4138 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4140 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4142 if (params
->supported_rates
)
4144 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4148 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4149 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4155 case CFG80211_STA_AP_MLME_CLIENT
:
4156 /* Use this only for authorizing/unauthorizing a station */
4157 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4160 case CFG80211_STA_AP_CLIENT
:
4161 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4162 /* accept only the listed bits */
4163 if (params
->sta_flags_mask
&
4164 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4165 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4166 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4167 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4168 BIT(NL80211_STA_FLAG_WME
) |
4169 BIT(NL80211_STA_FLAG_MFP
)))
4172 /* but authenticated/associated only if driver handles it */
4173 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4174 params
->sta_flags_mask
&
4175 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4176 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4179 case CFG80211_STA_IBSS
:
4180 case CFG80211_STA_AP_STA
:
4181 /* reject any changes other than AUTHORIZED */
4182 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4185 case CFG80211_STA_TDLS_PEER_SETUP
:
4186 /* reject any changes other than AUTHORIZED or WME */
4187 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4188 BIT(NL80211_STA_FLAG_WME
)))
4190 /* force (at least) rates when authorizing */
4191 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4192 !params
->supported_rates
)
4195 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4196 /* reject any changes */
4198 case CFG80211_STA_MESH_PEER_KERNEL
:
4199 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4202 case CFG80211_STA_MESH_PEER_USER
:
4203 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4204 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4211 EXPORT_SYMBOL(cfg80211_check_station_change
);
4214 * Get vlan interface making sure it is running and on the right wiphy.
4216 static struct net_device
*get_vlan(struct genl_info
*info
,
4217 struct cfg80211_registered_device
*rdev
)
4219 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4220 struct net_device
*v
;
4226 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4228 return ERR_PTR(-ENODEV
);
4230 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4235 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4236 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4237 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4242 if (!netif_running(v
)) {
4250 return ERR_PTR(ret
);
4253 static const struct nla_policy
4254 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4255 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4256 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4259 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4260 struct station_parameters
*params
)
4262 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4266 /* parse WME attributes if present */
4267 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4270 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4271 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4272 nl80211_sta_wme_policy
);
4276 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4277 params
->uapsd_queues
= nla_get_u8(
4278 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4279 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4282 if (tb
[NL80211_STA_WME_MAX_SP
])
4283 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4285 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4288 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4293 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4294 struct station_parameters
*params
)
4296 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4297 params
->supported_channels
=
4298 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4299 params
->supported_channels_len
=
4300 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4302 * Need to include at least one (first channel, number of
4303 * channels) tuple for each subband, and must have proper
4304 * tuples for the rest of the data as well.
4306 if (params
->supported_channels_len
< 2)
4308 if (params
->supported_channels_len
% 2)
4312 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4313 params
->supported_oper_classes
=
4314 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4315 params
->supported_oper_classes_len
=
4316 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4318 * The value of the Length field of the Supported Operating
4319 * Classes element is between 2 and 253.
4321 if (params
->supported_oper_classes_len
< 2 ||
4322 params
->supported_oper_classes_len
> 253)
4328 static int nl80211_set_station_tdls(struct genl_info
*info
,
4329 struct station_parameters
*params
)
4332 /* Dummy STA entry gets updated once the peer capabilities are known */
4333 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4334 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4335 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4337 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4338 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4340 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4342 err
= nl80211_parse_sta_channel_info(info
, params
);
4346 return nl80211_parse_sta_wme(info
, params
);
4349 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4351 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4352 struct net_device
*dev
= info
->user_ptr
[1];
4353 struct station_parameters params
;
4357 memset(¶ms
, 0, sizeof(params
));
4359 if (!rdev
->ops
->change_station
)
4363 * AID and listen_interval properties can be set only for unassociated
4364 * station. Include these parameters here and will check them in
4365 * cfg80211_check_station_change().
4367 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4368 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4370 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4371 params
.listen_interval
=
4372 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4374 params
.listen_interval
= -1;
4376 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4379 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4380 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4383 params
.support_p2p_ps
= tmp
;
4385 params
.support_p2p_ps
= -1;
4388 if (!info
->attrs
[NL80211_ATTR_MAC
])
4391 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4393 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4394 params
.supported_rates
=
4395 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4396 params
.supported_rates_len
=
4397 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4400 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4402 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4403 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4406 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4408 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4409 params
.ext_capab_len
=
4410 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4413 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4416 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4417 params
.plink_action
=
4418 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4419 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4423 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4424 params
.plink_state
=
4425 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4426 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4428 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]) {
4429 params
.peer_aid
= nla_get_u16(
4430 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
4431 if (params
.peer_aid
> IEEE80211_MAX_AID
)
4434 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4437 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4438 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4439 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4441 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4442 pm
> NL80211_MESH_POWER_MAX
)
4445 params
.local_pm
= pm
;
4448 /* Include parameters for TDLS peer (will check later) */
4449 err
= nl80211_set_station_tdls(info
, ¶ms
);
4453 params
.vlan
= get_vlan(info
, rdev
);
4454 if (IS_ERR(params
.vlan
))
4455 return PTR_ERR(params
.vlan
);
4457 switch (dev
->ieee80211_ptr
->iftype
) {
4458 case NL80211_IFTYPE_AP
:
4459 case NL80211_IFTYPE_AP_VLAN
:
4460 case NL80211_IFTYPE_P2P_GO
:
4461 case NL80211_IFTYPE_P2P_CLIENT
:
4462 case NL80211_IFTYPE_STATION
:
4463 case NL80211_IFTYPE_ADHOC
:
4464 case NL80211_IFTYPE_MESH_POINT
:
4471 /* driver will call cfg80211_check_station_change() */
4472 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4476 dev_put(params
.vlan
);
4481 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4483 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4485 struct net_device
*dev
= info
->user_ptr
[1];
4486 struct station_parameters params
;
4487 u8
*mac_addr
= NULL
;
4488 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4489 BIT(NL80211_STA_FLAG_ASSOCIATED
);
4491 memset(¶ms
, 0, sizeof(params
));
4493 if (!rdev
->ops
->add_station
)
4496 if (!info
->attrs
[NL80211_ATTR_MAC
])
4499 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4502 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4505 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4506 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4509 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4510 params
.supported_rates
=
4511 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4512 params
.supported_rates_len
=
4513 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4514 params
.listen_interval
=
4515 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4517 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4520 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4521 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4524 params
.support_p2p_ps
= tmp
;
4527 * if not specified, assume it's supported for P2P GO interface,
4528 * and is NOT supported for AP interface
4530 params
.support_p2p_ps
=
4531 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
4534 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4535 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4537 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4538 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4541 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4543 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4544 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4547 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4549 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4550 params
.ext_capab_len
=
4551 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4554 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4556 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4558 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4560 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4562 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4563 params
.opmode_notif_used
= true;
4564 params
.opmode_notif
=
4565 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4568 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4569 params
.plink_action
=
4570 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4571 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4575 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4579 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4583 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4586 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
4587 * as userspace might just pass through the capabilities from the IEs
4588 * directly, rather than enforcing this restriction and returning an
4589 * error in this case.
4591 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
4592 params
.ht_capa
= NULL
;
4593 params
.vht_capa
= NULL
;
4596 /* When you run into this, adjust the code below for the new flag */
4597 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4599 switch (dev
->ieee80211_ptr
->iftype
) {
4600 case NL80211_IFTYPE_AP
:
4601 case NL80211_IFTYPE_AP_VLAN
:
4602 case NL80211_IFTYPE_P2P_GO
:
4603 /* ignore WME attributes if iface/sta is not capable */
4604 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4605 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4606 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4608 /* TDLS peers cannot be added */
4609 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4610 info
->attrs
[NL80211_ATTR_PEER_AID
])
4612 /* but don't bother the driver with it */
4613 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4615 /* allow authenticated/associated only if driver handles it */
4616 if (!(rdev
->wiphy
.features
&
4617 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4618 params
.sta_flags_mask
& auth_assoc
)
4621 /* Older userspace, or userspace wanting to be compatible with
4622 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
4623 * and assoc flags in the mask, but assumes the station will be
4624 * added as associated anyway since this was the required driver
4625 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
4627 * In order to not bother drivers with this quirk in the API
4628 * set the flags in both the mask and set for new stations in
4631 if (!(params
.sta_flags_mask
& auth_assoc
)) {
4632 params
.sta_flags_mask
|= auth_assoc
;
4633 params
.sta_flags_set
|= auth_assoc
;
4636 /* must be last in here for error handling */
4637 params
.vlan
= get_vlan(info
, rdev
);
4638 if (IS_ERR(params
.vlan
))
4639 return PTR_ERR(params
.vlan
);
4641 case NL80211_IFTYPE_MESH_POINT
:
4642 /* ignore uAPSD data */
4643 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4645 /* associated is disallowed */
4646 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4648 /* TDLS peers cannot be added */
4649 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4650 info
->attrs
[NL80211_ATTR_PEER_AID
])
4653 case NL80211_IFTYPE_STATION
:
4654 case NL80211_IFTYPE_P2P_CLIENT
:
4655 /* ignore uAPSD data */
4656 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4658 /* these are disallowed */
4659 if (params
.sta_flags_mask
&
4660 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4661 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4663 /* Only TDLS peers can be added */
4664 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4666 /* Can only add if TDLS ... */
4667 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4669 /* ... with external setup is supported */
4670 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4673 * Older wpa_supplicant versions always mark the TDLS peer
4674 * as authorized, but it shouldn't yet be.
4676 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4682 /* be aware of params.vlan when changing code here */
4684 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4687 dev_put(params
.vlan
);
4691 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4693 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4694 struct net_device
*dev
= info
->user_ptr
[1];
4695 struct station_del_parameters params
;
4697 memset(¶ms
, 0, sizeof(params
));
4699 if (info
->attrs
[NL80211_ATTR_MAC
])
4700 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4702 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4703 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4704 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4705 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4708 if (!rdev
->ops
->del_station
)
4711 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4713 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4714 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4715 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4718 /* Default to Deauthentication frame */
4719 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4722 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4723 params
.reason_code
=
4724 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4725 if (params
.reason_code
== 0)
4726 return -EINVAL
; /* 0 is reserved */
4728 /* Default to reason code 2 */
4729 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4732 return rdev_del_station(rdev
, dev
, ¶ms
);
4735 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4736 int flags
, struct net_device
*dev
,
4737 u8
*dst
, u8
*next_hop
,
4738 struct mpath_info
*pinfo
)
4741 struct nlattr
*pinfoattr
;
4743 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4747 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4748 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4749 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4750 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4751 goto nla_put_failure
;
4753 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4755 goto nla_put_failure
;
4756 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4757 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4759 goto nla_put_failure
;
4760 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4761 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4762 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4763 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4765 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4766 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4768 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4769 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4771 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4772 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4773 pinfo
->discovery_timeout
)) ||
4774 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4775 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4776 pinfo
->discovery_retries
)))
4777 goto nla_put_failure
;
4779 nla_nest_end(msg
, pinfoattr
);
4781 genlmsg_end(msg
, hdr
);
4785 genlmsg_cancel(msg
, hdr
);
4789 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4790 struct netlink_callback
*cb
)
4792 struct mpath_info pinfo
;
4793 struct cfg80211_registered_device
*rdev
;
4794 struct wireless_dev
*wdev
;
4796 u8 next_hop
[ETH_ALEN
];
4797 int path_idx
= cb
->args
[2];
4800 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4804 if (!rdev
->ops
->dump_mpath
) {
4809 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4815 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4822 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4823 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4824 wdev
->netdev
, dst
, next_hop
,
4832 cb
->args
[2] = path_idx
;
4835 nl80211_finish_wdev_dump(rdev
);
4839 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4841 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4843 struct net_device
*dev
= info
->user_ptr
[1];
4844 struct mpath_info pinfo
;
4845 struct sk_buff
*msg
;
4847 u8 next_hop
[ETH_ALEN
];
4849 memset(&pinfo
, 0, sizeof(pinfo
));
4851 if (!info
->attrs
[NL80211_ATTR_MAC
])
4854 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4856 if (!rdev
->ops
->get_mpath
)
4859 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4862 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4866 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4870 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4871 dev
, dst
, next_hop
, &pinfo
) < 0) {
4876 return genlmsg_reply(msg
, info
);
4879 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4881 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4882 struct net_device
*dev
= info
->user_ptr
[1];
4884 u8
*next_hop
= NULL
;
4886 if (!info
->attrs
[NL80211_ATTR_MAC
])
4889 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4892 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4893 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4895 if (!rdev
->ops
->change_mpath
)
4898 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4901 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4904 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4906 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4907 struct net_device
*dev
= info
->user_ptr
[1];
4909 u8
*next_hop
= NULL
;
4911 if (!info
->attrs
[NL80211_ATTR_MAC
])
4914 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4917 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4918 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4920 if (!rdev
->ops
->add_mpath
)
4923 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4926 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4929 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4931 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4932 struct net_device
*dev
= info
->user_ptr
[1];
4935 if (info
->attrs
[NL80211_ATTR_MAC
])
4936 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4938 if (!rdev
->ops
->del_mpath
)
4941 return rdev_del_mpath(rdev
, dev
, dst
);
4944 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4946 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4948 struct net_device
*dev
= info
->user_ptr
[1];
4949 struct mpath_info pinfo
;
4950 struct sk_buff
*msg
;
4954 memset(&pinfo
, 0, sizeof(pinfo
));
4956 if (!info
->attrs
[NL80211_ATTR_MAC
])
4959 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4961 if (!rdev
->ops
->get_mpp
)
4964 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4967 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4971 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4975 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4976 dev
, dst
, mpp
, &pinfo
) < 0) {
4981 return genlmsg_reply(msg
, info
);
4984 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4985 struct netlink_callback
*cb
)
4987 struct mpath_info pinfo
;
4988 struct cfg80211_registered_device
*rdev
;
4989 struct wireless_dev
*wdev
;
4992 int path_idx
= cb
->args
[2];
4995 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4999 if (!rdev
->ops
->dump_mpp
) {
5004 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5010 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
5017 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5018 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5019 wdev
->netdev
, dst
, mpp
,
5027 cb
->args
[2] = path_idx
;
5030 nl80211_finish_wdev_dump(rdev
);
5034 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
5036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5037 struct net_device
*dev
= info
->user_ptr
[1];
5038 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5039 struct bss_parameters params
;
5042 memset(¶ms
, 0, sizeof(params
));
5043 /* default to not changing parameters */
5044 params
.use_cts_prot
= -1;
5045 params
.use_short_preamble
= -1;
5046 params
.use_short_slot_time
= -1;
5047 params
.ap_isolate
= -1;
5048 params
.ht_opmode
= -1;
5049 params
.p2p_ctwindow
= -1;
5050 params
.p2p_opp_ps
= -1;
5052 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
5053 params
.use_cts_prot
=
5054 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
5055 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
5056 params
.use_short_preamble
=
5057 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
5058 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
5059 params
.use_short_slot_time
=
5060 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
5061 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5062 params
.basic_rates
=
5063 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5064 params
.basic_rates_len
=
5065 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5067 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5068 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5069 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5071 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5073 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5074 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5076 params
.p2p_ctwindow
=
5077 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5078 if (params
.p2p_ctwindow
< 0)
5080 if (params
.p2p_ctwindow
!= 0 &&
5081 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5085 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5088 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5090 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5093 params
.p2p_opp_ps
= tmp
;
5094 if (params
.p2p_opp_ps
&&
5095 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5099 if (!rdev
->ops
->change_bss
)
5102 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5103 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5107 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5113 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5117 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5121 * You should only get this when cfg80211 hasn't yet initialized
5122 * completely when built-in to the kernel right between the time
5123 * window between nl80211_init() and regulatory_init(), if that is
5126 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5127 return -EINPROGRESS
;
5129 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5130 user_reg_hint_type
=
5131 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5133 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5135 switch (user_reg_hint_type
) {
5136 case NL80211_USER_REG_HINT_USER
:
5137 case NL80211_USER_REG_HINT_CELL_BASE
:
5138 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5141 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5142 return regulatory_hint_user(data
, user_reg_hint_type
);
5143 case NL80211_USER_REG_HINT_INDOOR
:
5144 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5145 owner_nlportid
= info
->snd_portid
;
5146 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5152 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5158 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5159 struct genl_info
*info
)
5161 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5162 struct net_device
*dev
= info
->user_ptr
[1];
5163 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5164 struct mesh_config cur_params
;
5167 struct nlattr
*pinfoattr
;
5168 struct sk_buff
*msg
;
5170 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5173 if (!rdev
->ops
->get_mesh_config
)
5177 /* If not connected, get default parameters */
5178 if (!wdev
->mesh_id_len
)
5179 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5181 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5187 /* Draw up a netlink message to send back */
5188 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5191 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5192 NL80211_CMD_GET_MESH_CONFIG
);
5195 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5197 goto nla_put_failure
;
5198 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5199 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5200 cur_params
.dot11MeshRetryTimeout
) ||
5201 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5202 cur_params
.dot11MeshConfirmTimeout
) ||
5203 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5204 cur_params
.dot11MeshHoldingTimeout
) ||
5205 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5206 cur_params
.dot11MeshMaxPeerLinks
) ||
5207 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5208 cur_params
.dot11MeshMaxRetries
) ||
5209 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5210 cur_params
.dot11MeshTTL
) ||
5211 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5212 cur_params
.element_ttl
) ||
5213 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5214 cur_params
.auto_open_plinks
) ||
5215 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5216 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5217 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5218 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5219 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5220 cur_params
.path_refresh_time
) ||
5221 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5222 cur_params
.min_discovery_timeout
) ||
5223 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5224 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5225 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5226 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5227 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5228 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5229 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5230 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5231 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5232 cur_params
.dot11MeshHWMPRootMode
) ||
5233 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5234 cur_params
.dot11MeshHWMPRannInterval
) ||
5235 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5236 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5237 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5238 cur_params
.dot11MeshForwarding
) ||
5239 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5240 cur_params
.rssi_threshold
) ||
5241 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5242 cur_params
.ht_opmode
) ||
5243 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5244 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5245 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5246 cur_params
.dot11MeshHWMProotInterval
) ||
5247 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5248 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5249 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5250 cur_params
.power_mode
) ||
5251 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5252 cur_params
.dot11MeshAwakeWindowDuration
) ||
5253 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5254 cur_params
.plink_timeout
))
5255 goto nla_put_failure
;
5256 nla_nest_end(msg
, pinfoattr
);
5257 genlmsg_end(msg
, hdr
);
5258 return genlmsg_reply(msg
, info
);
5261 genlmsg_cancel(msg
, hdr
);
5267 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5268 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5269 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5270 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5271 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5272 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5273 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5274 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5275 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5276 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5277 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5278 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5279 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5280 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5281 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5282 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5283 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5284 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5285 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5286 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5287 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5288 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5289 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5290 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5291 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5292 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5293 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5294 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5295 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5298 static const struct nla_policy
5299 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5300 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5301 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5302 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5303 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5304 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5305 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5306 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5307 .len
= IEEE80211_MAX_DATA_LEN
},
5308 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5311 static int nl80211_check_bool(const struct nlattr
*nla
, u8 min
, u8 max
, bool *out
)
5313 u8 val
= nla_get_u8(nla
);
5314 if (val
< min
|| val
> max
)
5320 static int nl80211_check_u8(const struct nlattr
*nla
, u8 min
, u8 max
, u8
*out
)
5322 u8 val
= nla_get_u8(nla
);
5323 if (val
< min
|| val
> max
)
5329 static int nl80211_check_u16(const struct nlattr
*nla
, u16 min
, u16 max
, u16
*out
)
5331 u16 val
= nla_get_u16(nla
);
5332 if (val
< min
|| val
> max
)
5338 static int nl80211_check_u32(const struct nlattr
*nla
, u32 min
, u32 max
, u32
*out
)
5340 u32 val
= nla_get_u32(nla
);
5341 if (val
< min
|| val
> max
)
5347 static int nl80211_check_s32(const struct nlattr
*nla
, s32 min
, s32 max
, s32
*out
)
5349 s32 val
= nla_get_s32(nla
);
5350 if (val
< min
|| val
> max
)
5356 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5357 struct mesh_config
*cfg
,
5360 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5364 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5367 if (fn(tb[attr], min, max, &cfg->param)) \
5369 mask |= (1 << (attr - 1)); \
5373 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5375 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5376 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5377 nl80211_meshconf_params_policy
))
5380 /* This makes sure that there aren't more than 32 mesh config
5381 * parameters (otherwise our bitfield scheme would not work.) */
5382 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5384 /* Fill in the params struct */
5385 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5386 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5388 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5389 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5391 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5392 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5394 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5395 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5397 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5398 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5400 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5401 mask
, NL80211_MESHCONF_TTL
, nl80211_check_u8
);
5402 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5403 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5405 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5406 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5407 nl80211_check_bool
);
5408 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5410 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5412 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5413 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5415 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5416 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5418 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5419 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5421 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5423 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5425 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5427 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5429 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5431 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5433 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5434 dot11MeshHWMPnetDiameterTraversalTime
,
5436 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5438 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5439 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5441 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5442 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5444 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5445 dot11MeshGateAnnouncementProtocol
, 0, 1,
5446 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5447 nl80211_check_bool
);
5448 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5449 mask
, NL80211_MESHCONF_FORWARDING
,
5450 nl80211_check_bool
);
5451 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5452 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5455 * Check HT operation mode based on
5456 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
5458 if (tb
[NL80211_MESHCONF_HT_OPMODE
]) {
5459 ht_opmode
= nla_get_u16(tb
[NL80211_MESHCONF_HT_OPMODE
]);
5461 if (ht_opmode
& ~(IEEE80211_HT_OP_MODE_PROTECTION
|
5462 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
|
5463 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
5466 if ((ht_opmode
& IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
) &&
5467 (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
5470 switch (ht_opmode
& IEEE80211_HT_OP_MODE_PROTECTION
) {
5471 case IEEE80211_HT_OP_MODE_PROTECTION_NONE
:
5472 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
5473 if (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
)
5476 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER
:
5477 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
5478 if (!(ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
5482 cfg
->ht_opmode
= ht_opmode
;
5484 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5486 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5488 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5489 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5491 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5492 dot11MeshHWMPconfirmationInterval
,
5494 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5496 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5497 NL80211_MESH_POWER_ACTIVE
,
5498 NL80211_MESH_POWER_MAX
,
5499 mask
, NL80211_MESHCONF_POWER_MODE
,
5501 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5503 NL80211_MESHCONF_AWAKE_WINDOW
, nl80211_check_u16
);
5504 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
5505 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5512 #undef FILL_IN_MESH_PARAM_IF_SET
5515 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5516 struct mesh_setup
*setup
)
5518 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5519 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5521 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5523 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5524 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5525 nl80211_mesh_setup_params_policy
))
5528 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5529 setup
->sync_method
=
5530 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5531 IEEE80211_SYNC_METHOD_VENDOR
:
5532 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5534 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5535 setup
->path_sel_proto
=
5536 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5537 IEEE80211_PATH_PROTOCOL_VENDOR
:
5538 IEEE80211_PATH_PROTOCOL_HWMP
;
5540 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5541 setup
->path_metric
=
5542 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5543 IEEE80211_PATH_METRIC_VENDOR
:
5544 IEEE80211_PATH_METRIC_AIRTIME
;
5546 if (tb
[NL80211_MESH_SETUP_IE
]) {
5547 struct nlattr
*ieattr
=
5548 tb
[NL80211_MESH_SETUP_IE
];
5549 if (!is_valid_ie_attr(ieattr
))
5551 setup
->ie
= nla_data(ieattr
);
5552 setup
->ie_len
= nla_len(ieattr
);
5554 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5555 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5557 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5558 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5559 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5560 if (setup
->is_secure
)
5561 setup
->user_mpm
= true;
5563 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5564 if (!setup
->user_mpm
)
5567 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5573 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5574 struct genl_info
*info
)
5576 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5577 struct net_device
*dev
= info
->user_ptr
[1];
5578 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5579 struct mesh_config cfg
;
5583 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5586 if (!rdev
->ops
->update_mesh_config
)
5589 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5594 if (!wdev
->mesh_id_len
)
5598 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5605 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
5606 struct sk_buff
*msg
)
5608 struct nlattr
*nl_reg_rules
;
5611 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5612 (regdom
->dfs_region
&&
5613 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5614 goto nla_put_failure
;
5616 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5618 goto nla_put_failure
;
5620 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5621 struct nlattr
*nl_reg_rule
;
5622 const struct ieee80211_reg_rule
*reg_rule
;
5623 const struct ieee80211_freq_range
*freq_range
;
5624 const struct ieee80211_power_rule
*power_rule
;
5625 unsigned int max_bandwidth_khz
;
5627 reg_rule
= ®dom
->reg_rules
[i
];
5628 freq_range
= ®_rule
->freq_range
;
5629 power_rule
= ®_rule
->power_rule
;
5631 nl_reg_rule
= nla_nest_start(msg
, i
);
5633 goto nla_put_failure
;
5635 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5636 if (!max_bandwidth_khz
)
5637 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5640 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5642 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5643 freq_range
->start_freq_khz
) ||
5644 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5645 freq_range
->end_freq_khz
) ||
5646 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5647 max_bandwidth_khz
) ||
5648 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5649 power_rule
->max_antenna_gain
) ||
5650 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5651 power_rule
->max_eirp
) ||
5652 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5653 reg_rule
->dfs_cac_ms
))
5654 goto nla_put_failure
;
5656 nla_nest_end(msg
, nl_reg_rule
);
5659 nla_nest_end(msg
, nl_reg_rules
);
5666 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
5668 const struct ieee80211_regdomain
*regdom
= NULL
;
5669 struct cfg80211_registered_device
*rdev
;
5670 struct wiphy
*wiphy
= NULL
;
5671 struct sk_buff
*msg
;
5674 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5678 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5679 NL80211_CMD_GET_REG
);
5683 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
5686 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
5689 return PTR_ERR(rdev
);
5692 wiphy
= &rdev
->wiphy
;
5693 self_managed
= wiphy
->regulatory_flags
&
5694 REGULATORY_WIPHY_SELF_MANAGED
;
5695 regdom
= get_wiphy_regdom(wiphy
);
5697 /* a self-managed-reg device must have a private regdom */
5698 if (WARN_ON(!regdom
&& self_managed
)) {
5704 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5705 goto nla_put_failure
;
5708 if (!wiphy
&& reg_last_request_cell_base() &&
5709 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5710 NL80211_USER_REG_HINT_CELL_BASE
))
5711 goto nla_put_failure
;
5716 regdom
= rcu_dereference(cfg80211_regdomain
);
5718 if (nl80211_put_regdom(regdom
, msg
))
5719 goto nla_put_failure_rcu
;
5723 genlmsg_end(msg
, hdr
);
5724 return genlmsg_reply(msg
, info
);
5726 nla_put_failure_rcu
:
5729 genlmsg_cancel(msg
, hdr
);
5735 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5736 u32 seq
, int flags
, struct wiphy
*wiphy
,
5737 const struct ieee80211_regdomain
*regdom
)
5739 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5740 NL80211_CMD_GET_REG
);
5745 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5747 if (nl80211_put_regdom(regdom
, msg
))
5748 goto nla_put_failure
;
5750 if (!wiphy
&& reg_last_request_cell_base() &&
5751 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5752 NL80211_USER_REG_HINT_CELL_BASE
))
5753 goto nla_put_failure
;
5756 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5757 goto nla_put_failure
;
5759 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
5760 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
5761 goto nla_put_failure
;
5763 genlmsg_end(msg
, hdr
);
5767 genlmsg_cancel(msg
, hdr
);
5771 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
5772 struct netlink_callback
*cb
)
5774 const struct ieee80211_regdomain
*regdom
= NULL
;
5775 struct cfg80211_registered_device
*rdev
;
5776 int err
, reg_idx
, start
= cb
->args
[2];
5780 if (cfg80211_regdomain
&& start
== 0) {
5781 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5783 rtnl_dereference(cfg80211_regdomain
));
5788 /* the global regdom is idx 0 */
5790 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
5791 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
5795 if (++reg_idx
<= start
)
5798 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5799 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
5806 cb
->args
[2] = reg_idx
;
5813 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
5814 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
5815 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
5816 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
5817 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
5818 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
5819 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
5820 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
5821 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
5824 static int parse_reg_rule(struct nlattr
*tb
[],
5825 struct ieee80211_reg_rule
*reg_rule
)
5827 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
5828 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
5830 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
5832 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
5834 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
5836 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
5838 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
5841 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
5843 freq_range
->start_freq_khz
=
5844 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
5845 freq_range
->end_freq_khz
=
5846 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
5847 freq_range
->max_bandwidth_khz
=
5848 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
5850 power_rule
->max_eirp
=
5851 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
5853 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
5854 power_rule
->max_antenna_gain
=
5855 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
5857 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
5858 reg_rule
->dfs_cac_ms
=
5859 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
5864 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5866 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5867 struct nlattr
*nl_reg_rule
;
5869 int rem_reg_rules
, r
;
5870 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5871 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5872 struct ieee80211_regdomain
*rd
;
5874 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5877 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5880 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5882 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5883 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5885 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5888 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5892 if (!reg_is_valid_request(alpha2
))
5895 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5896 num_rules
* sizeof(struct ieee80211_reg_rule
);
5898 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5902 rd
->n_reg_rules
= num_rules
;
5903 rd
->alpha2
[0] = alpha2
[0];
5904 rd
->alpha2
[1] = alpha2
[1];
5907 * Disable DFS master mode if the DFS region was
5908 * not supported or known on this kernel.
5910 if (reg_supported_dfs_region(dfs_region
))
5911 rd
->dfs_region
= dfs_region
;
5913 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5915 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5916 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5920 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5926 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5932 /* set_regdom takes ownership of rd */
5933 return set_regdom(rd
, REGD_SOURCE_CRDA
);
5938 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
5940 static int validate_scan_freqs(struct nlattr
*freqs
)
5942 struct nlattr
*attr1
, *attr2
;
5943 int n_channels
= 0, tmp1
, tmp2
;
5945 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5948 * Some hardware has a limited channel list for
5949 * scanning, and it is pretty much nonsensical
5950 * to scan for a channel twice, so disallow that
5951 * and don't require drivers to check that the
5952 * channel list they get isn't longer than what
5953 * they can scan, as long as they can scan all
5954 * the channels they registered at once.
5956 nla_for_each_nested(attr2
, freqs
, tmp2
)
5957 if (attr1
!= attr2
&&
5958 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5965 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
5967 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
5970 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
5971 struct cfg80211_bss_selection
*bss_select
)
5973 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
5974 struct nlattr
*nest
;
5979 /* only process one nested attribute */
5980 nest
= nla_data(nla
);
5981 if (!nla_ok(nest
, nla_len(nest
)))
5984 err
= nla_parse(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nla_data(nest
),
5985 nla_len(nest
), nl80211_bss_select_policy
);
5989 /* only one attribute may be given */
5990 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
5998 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
6000 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
6001 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
6003 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
6004 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
6005 bss_select
->param
.band_pref
=
6006 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
6007 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
6011 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
6012 struct nl80211_bss_select_rssi_adjust
*adj_param
;
6014 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
6015 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
6016 bss_select
->param
.adjust
.band
= adj_param
->band
;
6017 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
6018 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
6022 /* user-space did not provide behaviour attribute */
6023 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
6026 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
6032 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
6033 u8
*mac_addr
, u8
*mac_addr_mask
)
6037 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
6038 eth_zero_addr(mac_addr
);
6039 eth_zero_addr(mac_addr_mask
);
6041 mac_addr_mask
[0] = 0x3;
6046 /* need both or none */
6047 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
6050 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
6051 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
6053 /* don't allow or configure an mcast address */
6054 if (!is_multicast_ether_addr(mac_addr_mask
) ||
6055 is_multicast_ether_addr(mac_addr
))
6059 * allow users to pass a MAC address that has bits set outside
6060 * of the mask, but don't bother drivers with having to deal
6063 for (i
= 0; i
< ETH_ALEN
; i
++)
6064 mac_addr
[i
] &= mac_addr_mask
[i
];
6069 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6071 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6072 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6073 struct cfg80211_scan_request
*request
;
6074 struct nlattr
*attr
;
6075 struct wiphy
*wiphy
;
6076 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
6079 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6082 wiphy
= &rdev
->wiphy
;
6084 if (!rdev
->ops
->scan
)
6087 if (rdev
->scan_req
|| rdev
->scan_msg
) {
6092 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6093 n_channels
= validate_scan_freqs(
6094 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6100 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6103 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
6104 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
6107 if (n_ssids
> wiphy
->max_scan_ssids
) {
6112 if (info
->attrs
[NL80211_ATTR_IE
])
6113 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6117 if (ie_len
> wiphy
->max_scan_ie_len
) {
6122 request
= kzalloc(sizeof(*request
)
6123 + sizeof(*request
->ssids
) * n_ssids
6124 + sizeof(*request
->channels
) * n_channels
6125 + ie_len
, GFP_KERNEL
);
6132 request
->ssids
= (void *)&request
->channels
[n_channels
];
6133 request
->n_ssids
= n_ssids
;
6136 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6138 request
->ie
= (void *)(request
->channels
+ n_channels
);
6142 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6143 /* user specified, bail out if channel not found */
6144 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6145 struct ieee80211_channel
*chan
;
6147 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6154 /* ignore disabled channels */
6155 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6158 request
->channels
[i
] = chan
;
6162 enum nl80211_band band
;
6165 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6168 if (!wiphy
->bands
[band
])
6170 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6171 struct ieee80211_channel
*chan
;
6173 chan
= &wiphy
->bands
[band
]->channels
[j
];
6175 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6178 request
->channels
[i
] = chan
;
6189 request
->n_channels
= i
;
6193 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6194 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6198 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6199 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6204 if (info
->attrs
[NL80211_ATTR_IE
]) {
6205 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6206 memcpy((void *)request
->ie
,
6207 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6211 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6212 if (wiphy
->bands
[i
])
6214 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6216 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6217 nla_for_each_nested(attr
,
6218 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6220 enum nl80211_band band
= nla_type(attr
);
6222 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6227 if (!wiphy
->bands
[band
])
6230 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6233 &request
->rates
[band
]);
6239 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
6240 if (!wiphy_ext_feature_isset(wiphy
,
6241 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
6247 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
6248 request
->duration_mandatory
=
6249 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
6252 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6253 request
->flags
= nla_get_u32(
6254 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6255 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6256 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6261 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6262 if (!(wiphy
->features
&
6263 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
6268 if (wdev
->current_bss
) {
6273 err
= nl80211_parse_random_mac(info
->attrs
,
6275 request
->mac_addr_mask
);
6282 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6284 if (info
->attrs
[NL80211_ATTR_MAC
])
6285 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6288 eth_broadcast_addr(request
->bssid
);
6290 request
->wdev
= wdev
;
6291 request
->wiphy
= &rdev
->wiphy
;
6292 request
->scan_start
= jiffies
;
6294 rdev
->scan_req
= request
;
6295 err
= rdev_scan(rdev
, request
);
6298 nl80211_send_scan_start(rdev
, wdev
);
6300 dev_hold(wdev
->netdev
);
6303 rdev
->scan_req
= NULL
;
6311 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6313 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6314 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6316 if (!rdev
->ops
->abort_scan
)
6322 if (!rdev
->scan_req
)
6325 rdev_abort_scan(rdev
, wdev
);
6330 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
6331 struct cfg80211_sched_scan_request
*request
,
6332 struct nlattr
**attrs
)
6334 int tmp
, err
, i
= 0;
6335 struct nlattr
*attr
;
6337 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6341 * If scan plans are not specified,
6342 * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this
6343 * case one scan plan will be set with the specified scan
6344 * interval and infinite number of iterations.
6346 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6349 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
6353 request
->scan_plans
[0].interval
=
6354 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
6355 if (!request
->scan_plans
[0].interval
)
6358 if (request
->scan_plans
[0].interval
>
6359 wiphy
->max_sched_scan_plan_interval
)
6360 request
->scan_plans
[0].interval
=
6361 wiphy
->max_sched_scan_plan_interval
;
6366 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
6367 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
6369 if (WARN_ON(i
>= n_plans
))
6372 err
= nla_parse(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
6373 nla_data(attr
), nla_len(attr
),
6374 nl80211_plan_policy
);
6378 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
6381 request
->scan_plans
[i
].interval
=
6382 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
6383 if (!request
->scan_plans
[i
].interval
||
6384 request
->scan_plans
[i
].interval
>
6385 wiphy
->max_sched_scan_plan_interval
)
6388 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
6389 request
->scan_plans
[i
].iterations
=
6390 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
6391 if (!request
->scan_plans
[i
].iterations
||
6392 (request
->scan_plans
[i
].iterations
>
6393 wiphy
->max_sched_scan_plan_iterations
))
6395 } else if (i
< n_plans
- 1) {
6397 * All scan plans but the last one must specify
6398 * a finite number of iterations
6407 * The last scan plan must not specify the number of
6408 * iterations, it is supposed to run infinitely
6410 if (request
->scan_plans
[n_plans
- 1].iterations
)
6416 static struct cfg80211_sched_scan_request
*
6417 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6418 struct nlattr
**attrs
)
6420 struct cfg80211_sched_scan_request
*request
;
6421 struct nlattr
*attr
;
6422 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
6423 enum nl80211_band band
;
6425 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
6426 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
6428 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
6429 return ERR_PTR(-EINVAL
);
6431 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6432 n_channels
= validate_scan_freqs(
6433 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6435 return ERR_PTR(-EINVAL
);
6437 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6440 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
6441 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6445 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
6446 return ERR_PTR(-EINVAL
);
6449 * First, count the number of 'real' matchsets. Due to an issue with
6450 * the old implementation, matchsets containing only the RSSI attribute
6451 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
6452 * RSSI for all matchsets, rather than their own matchset for reporting
6453 * all APs with a strong RSSI. This is needed to be compatible with
6454 * older userspace that treated a matchset with only the RSSI as the
6455 * global RSSI for all other matchsets - if there are other matchsets.
6457 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6458 nla_for_each_nested(attr
,
6459 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6461 struct nlattr
*rssi
;
6463 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6464 nla_data(attr
), nla_len(attr
),
6465 nl80211_match_policy
);
6467 return ERR_PTR(err
);
6468 /* add other standalone attributes here */
6469 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
6473 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6475 default_match_rssi
= nla_get_s32(rssi
);
6479 /* However, if there's no other matchset, add the RSSI one */
6480 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
6483 if (n_match_sets
> wiphy
->max_match_sets
)
6484 return ERR_PTR(-EINVAL
);
6486 if (attrs
[NL80211_ATTR_IE
])
6487 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
6491 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
6492 return ERR_PTR(-EINVAL
);
6494 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6496 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
6497 * each scan plan already specifies its own interval
6499 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6500 return ERR_PTR(-EINVAL
);
6502 nla_for_each_nested(attr
,
6503 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
6507 * The scan interval attribute is kept for backward
6508 * compatibility. If no scan plans are specified and sched scan
6509 * interval is specified, one scan plan will be set with this
6510 * scan interval and infinite number of iterations.
6512 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6513 return ERR_PTR(-EINVAL
);
6518 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
6519 return ERR_PTR(-EINVAL
);
6521 request
= kzalloc(sizeof(*request
)
6522 + sizeof(*request
->ssids
) * n_ssids
6523 + sizeof(*request
->match_sets
) * n_match_sets
6524 + sizeof(*request
->scan_plans
) * n_plans
6525 + sizeof(*request
->channels
) * n_channels
6526 + ie_len
, GFP_KERNEL
);
6528 return ERR_PTR(-ENOMEM
);
6531 request
->ssids
= (void *)&request
->channels
[n_channels
];
6532 request
->n_ssids
= n_ssids
;
6535 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6537 request
->ie
= (void *)(request
->channels
+ n_channels
);
6542 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6544 request
->match_sets
=
6545 (void *)(request
->ssids
+ n_ssids
);
6547 request
->match_sets
=
6548 (void *)(request
->channels
+ n_channels
);
6550 request
->n_match_sets
= n_match_sets
;
6553 request
->scan_plans
= (void *)(request
->match_sets
+
6555 else if (request
->ie
)
6556 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
6558 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
6560 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
6562 request
->n_scan_plans
= n_plans
;
6565 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6566 /* user specified, bail out if channel not found */
6567 nla_for_each_nested(attr
,
6568 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6570 struct ieee80211_channel
*chan
;
6572 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6579 /* ignore disabled channels */
6580 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6583 request
->channels
[i
] = chan
;
6588 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6591 if (!wiphy
->bands
[band
])
6593 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6594 struct ieee80211_channel
*chan
;
6596 chan
= &wiphy
->bands
[band
]->channels
[j
];
6598 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6601 request
->channels
[i
] = chan
;
6612 request
->n_channels
= i
;
6616 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6618 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6622 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6623 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6630 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6631 nla_for_each_nested(attr
,
6632 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6634 struct nlattr
*ssid
, *rssi
;
6636 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6637 nla_data(attr
), nla_len(attr
),
6638 nl80211_match_policy
);
6641 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6643 if (WARN_ON(i
>= n_match_sets
)) {
6644 /* this indicates a programming error,
6645 * the loop above should have verified
6652 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6656 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6657 nla_data(ssid
), nla_len(ssid
));
6658 request
->match_sets
[i
].ssid
.ssid_len
=
6660 /* special attribute - old implementation w/a */
6661 request
->match_sets
[i
].rssi_thold
=
6663 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6665 request
->match_sets
[i
].rssi_thold
=
6671 /* there was no other matchset, so the RSSI one is alone */
6672 if (i
== 0 && n_match_sets
)
6673 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6675 request
->min_rssi_thold
= INT_MAX
;
6676 for (i
= 0; i
< n_match_sets
; i
++)
6677 request
->min_rssi_thold
=
6678 min(request
->match_sets
[i
].rssi_thold
,
6679 request
->min_rssi_thold
);
6681 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6685 request
->ie_len
= ie_len
;
6686 memcpy((void *)request
->ie
,
6687 nla_data(attrs
[NL80211_ATTR_IE
]),
6691 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6692 request
->flags
= nla_get_u32(
6693 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6694 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6695 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6700 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6701 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6703 if (!wdev
) /* must be net-detect */
6704 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6706 if (!(wiphy
->features
& flg
)) {
6711 if (wdev
&& wdev
->current_bss
) {
6716 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6717 request
->mac_addr_mask
);
6723 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
6725 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
6727 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
6731 request
->scan_start
= jiffies
;
6737 return ERR_PTR(err
);
6740 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6741 struct genl_info
*info
)
6743 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6744 struct net_device
*dev
= info
->user_ptr
[1];
6745 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6746 struct cfg80211_sched_scan_request
*sched_scan_req
;
6749 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6750 !rdev
->ops
->sched_scan_start
)
6753 if (rdev
->sched_scan_req
)
6754 return -EINPROGRESS
;
6756 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6759 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
6763 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
6767 sched_scan_req
->dev
= dev
;
6768 sched_scan_req
->wiphy
= &rdev
->wiphy
;
6770 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
6771 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
6773 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
6775 nl80211_send_sched_scan(rdev
, dev
,
6776 NL80211_CMD_START_SCHED_SCAN
);
6780 kfree(sched_scan_req
);
6785 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6786 struct genl_info
*info
)
6788 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6790 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6791 !rdev
->ops
->sched_scan_stop
)
6794 return __cfg80211_stop_sched_scan(rdev
, false);
6797 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6798 struct genl_info
*info
)
6800 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6801 struct net_device
*dev
= info
->user_ptr
[1];
6802 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6803 struct cfg80211_chan_def chandef
;
6804 enum nl80211_dfs_regions dfs_region
;
6805 unsigned int cac_time_ms
;
6808 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6809 if (dfs_region
== NL80211_DFS_UNSET
)
6812 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6816 if (netif_carrier_ok(dev
))
6819 if (wdev
->cac_started
)
6822 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6830 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6833 if (!rdev
->ops
->start_radar_detection
)
6836 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6837 if (WARN_ON(!cac_time_ms
))
6838 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6840 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
6842 wdev
->chandef
= chandef
;
6843 wdev
->cac_started
= true;
6844 wdev
->cac_start_time
= jiffies
;
6845 wdev
->cac_time_ms
= cac_time_ms
;
6850 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6852 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6853 struct net_device
*dev
= info
->user_ptr
[1];
6854 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6855 struct cfg80211_csa_settings params
;
6856 /* csa_attrs is defined static to avoid waste of stack size - this
6857 * function is called under RTNL lock, so this should not be a problem.
6859 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6861 bool need_new_beacon
= false;
6865 if (!rdev
->ops
->channel_switch
||
6866 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6869 switch (dev
->ieee80211_ptr
->iftype
) {
6870 case NL80211_IFTYPE_AP
:
6871 case NL80211_IFTYPE_P2P_GO
:
6872 need_new_beacon
= true;
6874 /* useless if AP is not running */
6875 if (!wdev
->beacon_interval
)
6878 case NL80211_IFTYPE_ADHOC
:
6879 if (!wdev
->ssid_len
)
6882 case NL80211_IFTYPE_MESH_POINT
:
6883 if (!wdev
->mesh_id_len
)
6890 memset(¶ms
, 0, sizeof(params
));
6892 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6893 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6896 /* only important for AP, IBSS and mesh create IEs internally */
6897 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6900 /* Even though the attribute is u32, the specification says
6901 * u8, so let's make sure we don't overflow.
6903 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6907 params
.count
= cs_count
;
6909 if (!need_new_beacon
)
6912 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6916 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6917 info
->attrs
[NL80211_ATTR_CSA_IES
],
6922 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6926 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6929 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6930 if (!len
|| (len
% sizeof(u16
)))
6933 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6934 if (rdev
->wiphy
.max_num_csa_counters
&&
6935 (params
.n_counter_offsets_beacon
>
6936 rdev
->wiphy
.max_num_csa_counters
))
6939 params
.counter_offsets_beacon
=
6940 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6942 /* sanity checks - counters should fit and be the same */
6943 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6944 u16 offset
= params
.counter_offsets_beacon
[i
];
6946 if (offset
>= params
.beacon_csa
.tail_len
)
6949 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6953 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6954 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6955 if (!len
|| (len
% sizeof(u16
)))
6958 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6959 if (rdev
->wiphy
.max_num_csa_counters
&&
6960 (params
.n_counter_offsets_beacon
>
6961 rdev
->wiphy
.max_num_csa_counters
))
6964 params
.counter_offsets_presp
=
6965 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6967 /* sanity checks - counters should fit and be the same */
6968 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6969 u16 offset
= params
.counter_offsets_presp
[i
];
6971 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6974 if (params
.beacon_csa
.probe_resp
[offset
] !=
6981 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6985 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
6989 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6996 params
.radar_required
= true;
6998 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6999 params
.block_tx
= true;
7002 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
7008 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
7010 struct cfg80211_registered_device
*rdev
,
7011 struct wireless_dev
*wdev
,
7012 struct cfg80211_internal_bss
*intbss
)
7014 struct cfg80211_bss
*res
= &intbss
->pub
;
7015 const struct cfg80211_bss_ies
*ies
;
7019 ASSERT_WDEV_LOCK(wdev
);
7021 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
7022 NL80211_CMD_NEW_SCAN_RESULTS
);
7026 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
7028 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
7029 goto nla_put_failure
;
7031 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
7032 goto nla_put_failure
;
7033 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
7035 goto nla_put_failure
;
7037 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
7039 goto nla_put_failure
;
7040 if ((!is_zero_ether_addr(res
->bssid
) &&
7041 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
7042 goto nla_put_failure
;
7045 /* indicate whether we have probe response data or not */
7046 if (rcu_access_pointer(res
->proberesp_ies
) &&
7047 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
7048 goto fail_unlock_rcu
;
7050 /* this pointer prefers to be pointed to probe response data
7051 * but is always valid
7053 ies
= rcu_dereference(res
->ies
);
7055 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
7057 goto fail_unlock_rcu
;
7058 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
7059 ies
->len
, ies
->data
))
7060 goto fail_unlock_rcu
;
7063 /* and this pointer is always (unless driver didn't know) beacon data */
7064 ies
= rcu_dereference(res
->beacon_ies
);
7065 if (ies
&& ies
->from_beacon
) {
7066 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
7068 goto fail_unlock_rcu
;
7069 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
7070 ies
->len
, ies
->data
))
7071 goto fail_unlock_rcu
;
7075 if (res
->beacon_interval
&&
7076 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
7077 goto nla_put_failure
;
7078 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
7079 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
7080 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
7081 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
7082 jiffies_to_msecs(jiffies
- intbss
->ts
)))
7083 goto nla_put_failure
;
7085 if (intbss
->parent_tsf
&&
7086 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
7087 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
7088 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
7089 intbss
->parent_bssid
)))
7090 goto nla_put_failure
;
7092 if (intbss
->ts_boottime
&&
7093 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
7094 intbss
->ts_boottime
, NL80211_BSS_PAD
))
7095 goto nla_put_failure
;
7097 switch (rdev
->wiphy
.signal_type
) {
7098 case CFG80211_SIGNAL_TYPE_MBM
:
7099 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
7100 goto nla_put_failure
;
7102 case CFG80211_SIGNAL_TYPE_UNSPEC
:
7103 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
7104 goto nla_put_failure
;
7110 switch (wdev
->iftype
) {
7111 case NL80211_IFTYPE_P2P_CLIENT
:
7112 case NL80211_IFTYPE_STATION
:
7113 if (intbss
== wdev
->current_bss
&&
7114 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7115 NL80211_BSS_STATUS_ASSOCIATED
))
7116 goto nla_put_failure
;
7118 case NL80211_IFTYPE_ADHOC
:
7119 if (intbss
== wdev
->current_bss
&&
7120 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7121 NL80211_BSS_STATUS_IBSS_JOINED
))
7122 goto nla_put_failure
;
7128 nla_nest_end(msg
, bss
);
7130 genlmsg_end(msg
, hdr
);
7136 genlmsg_cancel(msg
, hdr
);
7140 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7142 struct cfg80211_registered_device
*rdev
;
7143 struct cfg80211_internal_bss
*scan
;
7144 struct wireless_dev
*wdev
;
7145 int start
= cb
->args
[2], idx
= 0;
7148 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7153 spin_lock_bh(&rdev
->bss_lock
);
7154 cfg80211_bss_expire(rdev
);
7156 cb
->seq
= rdev
->bss_generation
;
7158 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7161 if (nl80211_send_bss(skb
, cb
,
7162 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7163 rdev
, wdev
, scan
) < 0) {
7169 spin_unlock_bh(&rdev
->bss_lock
);
7173 nl80211_finish_wdev_dump(rdev
);
7178 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7179 int flags
, struct net_device
*dev
,
7180 bool allow_radio_stats
,
7181 struct survey_info
*survey
)
7184 struct nlattr
*infoattr
;
7186 /* skip radio stats if userspace didn't request them */
7187 if (!survey
->channel
&& !allow_radio_stats
)
7190 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7191 NL80211_CMD_NEW_SURVEY_RESULTS
);
7195 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7196 goto nla_put_failure
;
7198 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7200 goto nla_put_failure
;
7202 if (survey
->channel
&&
7203 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7204 survey
->channel
->center_freq
))
7205 goto nla_put_failure
;
7207 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7208 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7209 goto nla_put_failure
;
7210 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7211 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7212 goto nla_put_failure
;
7213 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7214 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7215 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7216 goto nla_put_failure
;
7217 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7218 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7219 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7220 goto nla_put_failure
;
7221 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7222 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7223 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7224 goto nla_put_failure
;
7225 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7226 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7227 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7228 goto nla_put_failure
;
7229 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7230 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7231 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7232 goto nla_put_failure
;
7233 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7234 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7235 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7236 goto nla_put_failure
;
7238 nla_nest_end(msg
, infoattr
);
7240 genlmsg_end(msg
, hdr
);
7244 genlmsg_cancel(msg
, hdr
);
7248 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7250 struct survey_info survey
;
7251 struct cfg80211_registered_device
*rdev
;
7252 struct wireless_dev
*wdev
;
7253 int survey_idx
= cb
->args
[2];
7257 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7261 /* prepare_wdev_dump parsed the attributes */
7262 radio_stats
= nl80211_fam
.attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7264 if (!wdev
->netdev
) {
7269 if (!rdev
->ops
->dump_survey
) {
7275 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
7281 /* don't send disabled channels, but do send non-channel data */
7282 if (survey
.channel
&&
7283 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
7288 if (nl80211_send_survey(skb
,
7289 NETLINK_CB(cb
->skb
).portid
,
7290 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7291 wdev
->netdev
, radio_stats
, &survey
) < 0)
7297 cb
->args
[2] = survey_idx
;
7300 nl80211_finish_wdev_dump(rdev
);
7304 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
7306 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
7307 NL80211_WPA_VERSION_2
));
7310 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7312 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7313 struct net_device
*dev
= info
->user_ptr
[1];
7314 struct ieee80211_channel
*chan
;
7315 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
7316 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
7317 enum nl80211_auth_type auth_type
;
7318 struct key_parse key
;
7319 bool local_state_change
;
7321 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7324 if (!info
->attrs
[NL80211_ATTR_MAC
])
7327 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
7330 if (!info
->attrs
[NL80211_ATTR_SSID
])
7333 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7336 err
= nl80211_parse_key(info
, &key
);
7341 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
7343 if (!key
.p
.key
|| !key
.p
.key_len
)
7345 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
7346 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
7347 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
7348 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
7361 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
7362 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
7371 if (!rdev
->ops
->auth
)
7374 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7375 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7378 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7379 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7380 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7384 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7385 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7387 if (info
->attrs
[NL80211_ATTR_IE
]) {
7388 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7389 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7392 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7393 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
7396 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
7397 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
7400 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
7401 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
7403 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
7404 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
7405 /* need to include at least Auth Transaction and Status Code */
7406 if (sae_data_len
< 4)
7410 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7413 * Since we no longer track auth state, ignore
7414 * requests to only change local state.
7416 if (local_state_change
)
7419 wdev_lock(dev
->ieee80211_ptr
);
7420 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
7421 ssid
, ssid_len
, ie
, ie_len
,
7422 key
.p
.key
, key
.p
.key_len
, key
.idx
,
7423 sae_data
, sae_data_len
);
7424 wdev_unlock(dev
->ieee80211_ptr
);
7428 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
7429 struct genl_info
*info
,
7430 struct cfg80211_crypto_settings
*settings
,
7433 memset(settings
, 0, sizeof(*settings
));
7435 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
7437 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
7440 proto
= nla_get_u16(
7441 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
7442 settings
->control_port_ethertype
= cpu_to_be16(proto
);
7443 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
7446 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
7447 settings
->control_port_no_encrypt
= true;
7449 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
7451 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
7455 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7456 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7457 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
7459 if (len
% sizeof(u32
))
7462 if (settings
->n_ciphers_pairwise
> cipher_limit
)
7465 memcpy(settings
->ciphers_pairwise
, data
, len
);
7467 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
7468 if (!cfg80211_supported_cipher_suite(
7470 settings
->ciphers_pairwise
[i
]))
7474 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
7475 settings
->cipher_group
=
7476 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
7477 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
7478 settings
->cipher_group
))
7482 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
7483 settings
->wpa_versions
=
7484 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
7485 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
7489 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
7493 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7494 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7495 settings
->n_akm_suites
= len
/ sizeof(u32
);
7497 if (len
% sizeof(u32
))
7500 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
7503 memcpy(settings
->akm_suites
, data
, len
);
7509 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
7511 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7512 struct net_device
*dev
= info
->user_ptr
[1];
7513 struct ieee80211_channel
*chan
;
7514 struct cfg80211_assoc_request req
= {};
7515 const u8
*bssid
, *ssid
;
7516 int err
, ssid_len
= 0;
7518 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7521 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
7522 !info
->attrs
[NL80211_ATTR_SSID
] ||
7523 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7526 if (!rdev
->ops
->assoc
)
7529 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7530 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7533 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7535 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7536 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7540 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7541 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7543 if (info
->attrs
[NL80211_ATTR_IE
]) {
7544 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7545 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7548 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7549 enum nl80211_mfp mfp
=
7550 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7551 if (mfp
== NL80211_MFP_REQUIRED
)
7553 else if (mfp
!= NL80211_MFP_NO
)
7557 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
7558 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
7560 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7561 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
7563 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7564 memcpy(&req
.ht_capa_mask
,
7565 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7566 sizeof(req
.ht_capa_mask
));
7568 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7569 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7571 memcpy(&req
.ht_capa
,
7572 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7573 sizeof(req
.ht_capa
));
7576 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7577 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7579 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7580 memcpy(&req
.vht_capa_mask
,
7581 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7582 sizeof(req
.vht_capa_mask
));
7584 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7585 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7587 memcpy(&req
.vht_capa
,
7588 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7589 sizeof(req
.vht_capa
));
7592 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7593 if (!((rdev
->wiphy
.features
&
7594 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
7595 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
7596 !wiphy_ext_feature_isset(&rdev
->wiphy
,
7597 NL80211_EXT_FEATURE_RRM
))
7599 req
.flags
|= ASSOC_REQ_USE_RRM
;
7602 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
7604 wdev_lock(dev
->ieee80211_ptr
);
7605 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
7606 ssid
, ssid_len
, &req
);
7607 wdev_unlock(dev
->ieee80211_ptr
);
7613 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7615 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7616 struct net_device
*dev
= info
->user_ptr
[1];
7617 const u8
*ie
= NULL
, *bssid
;
7618 int ie_len
= 0, err
;
7620 bool local_state_change
;
7622 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7625 if (!info
->attrs
[NL80211_ATTR_MAC
])
7628 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7631 if (!rdev
->ops
->deauth
)
7634 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7635 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7638 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7640 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7641 if (reason_code
== 0) {
7642 /* Reason Code 0 is reserved */
7646 if (info
->attrs
[NL80211_ATTR_IE
]) {
7647 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7648 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7651 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7653 wdev_lock(dev
->ieee80211_ptr
);
7654 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7655 local_state_change
);
7656 wdev_unlock(dev
->ieee80211_ptr
);
7660 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7662 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7663 struct net_device
*dev
= info
->user_ptr
[1];
7664 const u8
*ie
= NULL
, *bssid
;
7665 int ie_len
= 0, err
;
7667 bool local_state_change
;
7669 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7672 if (!info
->attrs
[NL80211_ATTR_MAC
])
7675 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7678 if (!rdev
->ops
->disassoc
)
7681 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7682 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7685 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7687 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7688 if (reason_code
== 0) {
7689 /* Reason Code 0 is reserved */
7693 if (info
->attrs
[NL80211_ATTR_IE
]) {
7694 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7695 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7698 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7700 wdev_lock(dev
->ieee80211_ptr
);
7701 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7702 local_state_change
);
7703 wdev_unlock(dev
->ieee80211_ptr
);
7708 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7709 int mcast_rate
[NUM_NL80211_BANDS
],
7712 struct wiphy
*wiphy
= &rdev
->wiphy
;
7716 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7717 struct ieee80211_supported_band
*sband
;
7719 sband
= wiphy
->bands
[band
];
7723 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7724 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7725 mcast_rate
[band
] = i
+ 1;
7735 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7737 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7738 struct net_device
*dev
= info
->user_ptr
[1];
7739 struct cfg80211_ibss_params ibss
;
7740 struct wiphy
*wiphy
;
7741 struct cfg80211_cached_keys
*connkeys
= NULL
;
7744 memset(&ibss
, 0, sizeof(ibss
));
7746 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7749 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7750 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7753 ibss
.beacon_interval
= 100;
7755 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
])
7756 ibss
.beacon_interval
=
7757 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7759 err
= cfg80211_validate_beacon_int(rdev
, ibss
.beacon_interval
);
7763 if (!rdev
->ops
->join_ibss
)
7766 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7769 wiphy
= &rdev
->wiphy
;
7771 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7772 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7774 if (!is_valid_ether_addr(ibss
.bssid
))
7777 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7778 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7780 if (info
->attrs
[NL80211_ATTR_IE
]) {
7781 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7782 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7785 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7789 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7790 NL80211_IFTYPE_ADHOC
))
7793 switch (ibss
.chandef
.width
) {
7794 case NL80211_CHAN_WIDTH_5
:
7795 case NL80211_CHAN_WIDTH_10
:
7796 case NL80211_CHAN_WIDTH_20_NOHT
:
7798 case NL80211_CHAN_WIDTH_20
:
7799 case NL80211_CHAN_WIDTH_40
:
7800 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7803 case NL80211_CHAN_WIDTH_80
:
7804 case NL80211_CHAN_WIDTH_80P80
:
7805 case NL80211_CHAN_WIDTH_160
:
7806 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7808 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
7809 NL80211_EXT_FEATURE_VHT_IBSS
))
7816 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7817 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7819 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7821 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7823 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7824 struct ieee80211_supported_band
*sband
=
7825 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7827 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7833 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7834 memcpy(&ibss
.ht_capa_mask
,
7835 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7836 sizeof(ibss
.ht_capa_mask
));
7838 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7839 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7841 memcpy(&ibss
.ht_capa
,
7842 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7843 sizeof(ibss
.ht_capa
));
7846 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7847 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7848 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7851 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7854 connkeys
= nl80211_parse_connkeys(rdev
,
7855 info
->attrs
[NL80211_ATTR_KEYS
],
7857 if (IS_ERR(connkeys
))
7858 return PTR_ERR(connkeys
);
7860 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7868 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7870 ibss
.userspace_handles_dfs
=
7871 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7873 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7879 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7881 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7882 struct net_device
*dev
= info
->user_ptr
[1];
7884 if (!rdev
->ops
->leave_ibss
)
7887 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7890 return cfg80211_leave_ibss(rdev
, dev
, false);
7893 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7895 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7896 struct net_device
*dev
= info
->user_ptr
[1];
7897 int mcast_rate
[NUM_NL80211_BANDS
];
7901 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7902 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
7903 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
7906 if (!rdev
->ops
->set_mcast_rate
)
7909 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7911 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7914 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7915 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7918 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
7923 static struct sk_buff
*
7924 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7925 struct wireless_dev
*wdev
, int approxlen
,
7926 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
7927 enum nl80211_attrs attr
,
7928 const struct nl80211_vendor_cmd_info
*info
,
7931 struct sk_buff
*skb
;
7933 struct nlattr
*data
;
7935 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7939 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7945 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7946 goto nla_put_failure
;
7949 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7951 goto nla_put_failure
;
7952 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7954 goto nla_put_failure
;
7958 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
7959 wdev_id(wdev
), NL80211_ATTR_PAD
))
7960 goto nla_put_failure
;
7962 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
7963 wdev
->netdev
->ifindex
))
7964 goto nla_put_failure
;
7967 data
= nla_nest_start(skb
, attr
);
7969 ((void **)skb
->cb
)[0] = rdev
;
7970 ((void **)skb
->cb
)[1] = hdr
;
7971 ((void **)skb
->cb
)[2] = data
;
7980 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7981 struct wireless_dev
*wdev
,
7982 enum nl80211_commands cmd
,
7983 enum nl80211_attrs attr
,
7984 int vendor_event_idx
,
7985 int approxlen
, gfp_t gfp
)
7987 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7988 const struct nl80211_vendor_cmd_info
*info
;
7991 case NL80211_CMD_TESTMODE
:
7992 if (WARN_ON(vendor_event_idx
!= -1))
7996 case NL80211_CMD_VENDOR
:
7997 if (WARN_ON(vendor_event_idx
< 0 ||
7998 vendor_event_idx
>= wiphy
->n_vendor_events
))
8000 info
= &wiphy
->vendor_events
[vendor_event_idx
];
8007 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
8008 cmd
, attr
, info
, gfp
);
8010 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
8012 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
8014 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8015 void *hdr
= ((void **)skb
->cb
)[1];
8016 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8017 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
8019 /* clear CB data for netlink core to own from now on */
8020 memset(skb
->cb
, 0, sizeof(skb
->cb
));
8022 nla_nest_end(skb
, data
);
8023 genlmsg_end(skb
, hdr
);
8025 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
8026 mcgrp
= NL80211_MCGRP_VENDOR
;
8028 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
8031 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
8033 #ifdef CONFIG_NL80211_TESTMODE
8034 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
8036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8037 struct wireless_dev
*wdev
=
8038 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8041 if (!rdev
->ops
->testmode_cmd
)
8045 err
= PTR_ERR(wdev
);
8049 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8053 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
8056 rdev
->cur_cmd_info
= info
;
8057 err
= rdev_testmode_cmd(rdev
, wdev
,
8058 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
8059 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
8060 rdev
->cur_cmd_info
= NULL
;
8065 static int nl80211_testmode_dump(struct sk_buff
*skb
,
8066 struct netlink_callback
*cb
)
8068 struct cfg80211_registered_device
*rdev
;
8078 * 0 is a valid index, but not valid for args[0],
8079 * so we need to offset by 1.
8081 phy_idx
= cb
->args
[0] - 1;
8083 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
8084 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
8089 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
8090 nl80211_fam
.attrbuf
);
8092 err
= PTR_ERR(rdev
);
8095 phy_idx
= rdev
->wiphy_idx
;
8098 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
8100 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
8104 data
= nla_data((void *)cb
->args
[1]);
8105 data_len
= nla_len((void *)cb
->args
[1]);
8108 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
8114 if (!rdev
->ops
->testmode_dump
) {
8120 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
8121 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8122 NL80211_CMD_TESTMODE
);
8123 struct nlattr
*tmdata
;
8128 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
8129 genlmsg_cancel(skb
, hdr
);
8133 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
8135 genlmsg_cancel(skb
, hdr
);
8138 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
8139 nla_nest_end(skb
, tmdata
);
8141 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
8142 genlmsg_cancel(skb
, hdr
);
8145 genlmsg_cancel(skb
, hdr
);
8149 genlmsg_end(skb
, hdr
);
8154 cb
->args
[0] = phy_idx
+ 1;
8161 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8163 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8164 struct net_device
*dev
= info
->user_ptr
[1];
8165 struct cfg80211_connect_params connect
;
8166 struct wiphy
*wiphy
;
8167 struct cfg80211_cached_keys
*connkeys
= NULL
;
8170 memset(&connect
, 0, sizeof(connect
));
8172 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8175 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8176 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8179 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8181 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8182 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8183 NL80211_CMD_CONNECT
))
8186 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8188 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8190 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8191 NL80211_MAX_NR_CIPHER_SUITES
);
8195 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8196 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8199 wiphy
= &rdev
->wiphy
;
8201 connect
.bg_scan_period
= -1;
8202 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8203 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8204 connect
.bg_scan_period
=
8205 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8208 if (info
->attrs
[NL80211_ATTR_MAC
])
8209 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8210 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8211 connect
.bssid_hint
=
8212 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8213 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8214 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8216 if (info
->attrs
[NL80211_ATTR_IE
]) {
8217 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8218 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8221 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8222 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8223 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
8224 connect
.mfp
!= NL80211_MFP_NO
)
8227 connect
.mfp
= NL80211_MFP_NO
;
8230 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8231 connect
.prev_bssid
=
8232 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8234 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8235 connect
.channel
= nl80211_get_valid_chan(
8236 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8237 if (!connect
.channel
)
8239 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
8240 connect
.channel_hint
= nl80211_get_valid_chan(
8241 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
8242 if (!connect
.channel_hint
)
8246 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8247 connkeys
= nl80211_parse_connkeys(rdev
,
8248 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
8249 if (IS_ERR(connkeys
))
8250 return PTR_ERR(connkeys
);
8253 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8254 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
8256 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8257 memcpy(&connect
.ht_capa_mask
,
8258 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8259 sizeof(connect
.ht_capa_mask
));
8261 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8262 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
8266 memcpy(&connect
.ht_capa
,
8267 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8268 sizeof(connect
.ht_capa
));
8271 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8272 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8274 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8275 memcpy(&connect
.vht_capa_mask
,
8276 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8277 sizeof(connect
.vht_capa_mask
));
8279 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8280 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
8284 memcpy(&connect
.vht_capa
,
8285 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8286 sizeof(connect
.vht_capa
));
8289 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8290 if (!((rdev
->wiphy
.features
&
8291 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8292 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8293 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8294 NL80211_EXT_FEATURE_RRM
)) {
8298 connect
.flags
|= ASSOC_REQ_USE_RRM
;
8301 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
8302 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
8307 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
8308 /* bss selection makes no sense if bssid is set */
8309 if (connect
.bssid
) {
8314 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
8315 wiphy
, &connect
.bss_select
);
8322 wdev_lock(dev
->ieee80211_ptr
);
8323 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
8324 connect
.prev_bssid
);
8325 wdev_unlock(dev
->ieee80211_ptr
);
8331 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
8333 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8334 struct net_device
*dev
= info
->user_ptr
[1];
8338 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8339 reason
= WLAN_REASON_DEAUTH_LEAVING
;
8341 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8346 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8347 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8350 wdev_lock(dev
->ieee80211_ptr
);
8351 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
8352 wdev_unlock(dev
->ieee80211_ptr
);
8356 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
8358 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8362 if (info
->attrs
[NL80211_ATTR_PID
]) {
8363 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
8365 net
= get_net_ns_by_pid(pid
);
8366 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
8367 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
8369 net
= get_net_ns_by_fd(fd
);
8375 return PTR_ERR(net
);
8379 /* check if anything to do */
8380 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
8381 err
= cfg80211_switch_netns(rdev
, net
);
8387 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8389 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8390 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
8391 struct cfg80211_pmksa
*pmksa
) = NULL
;
8392 struct net_device
*dev
= info
->user_ptr
[1];
8393 struct cfg80211_pmksa pmksa
;
8395 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
8397 if (!info
->attrs
[NL80211_ATTR_MAC
])
8400 if (!info
->attrs
[NL80211_ATTR_PMKID
])
8403 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
8404 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8406 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8407 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8410 switch (info
->genlhdr
->cmd
) {
8411 case NL80211_CMD_SET_PMKSA
:
8412 rdev_ops
= rdev
->ops
->set_pmksa
;
8414 case NL80211_CMD_DEL_PMKSA
:
8415 rdev_ops
= rdev
->ops
->del_pmksa
;
8425 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
8428 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8430 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8431 struct net_device
*dev
= info
->user_ptr
[1];
8433 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8434 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8437 if (!rdev
->ops
->flush_pmksa
)
8440 return rdev_flush_pmksa(rdev
, dev
);
8443 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8445 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8446 struct net_device
*dev
= info
->user_ptr
[1];
8447 u8 action_code
, dialog_token
;
8448 u32 peer_capability
= 0;
8453 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8454 !rdev
->ops
->tdls_mgmt
)
8457 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
8458 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
8459 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
8460 !info
->attrs
[NL80211_ATTR_IE
] ||
8461 !info
->attrs
[NL80211_ATTR_MAC
])
8464 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8465 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
8466 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
8467 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
8468 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
8469 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
8471 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
8473 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
8474 dialog_token
, status_code
, peer_capability
,
8476 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
8477 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
8480 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
8482 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8483 struct net_device
*dev
= info
->user_ptr
[1];
8484 enum nl80211_tdls_operation operation
;
8487 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8488 !rdev
->ops
->tdls_oper
)
8491 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
8492 !info
->attrs
[NL80211_ATTR_MAC
])
8495 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
8496 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8498 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
8501 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
8502 struct genl_info
*info
)
8504 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8505 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8506 struct cfg80211_chan_def chandef
;
8507 struct sk_buff
*msg
;
8513 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
8514 !info
->attrs
[NL80211_ATTR_DURATION
])
8517 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8519 if (!rdev
->ops
->remain_on_channel
||
8520 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
8524 * We should be on that channel for at least a minimum amount of
8525 * time (10ms) but no longer than the driver supports.
8527 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8528 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
8531 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8535 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8539 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8540 NL80211_CMD_REMAIN_ON_CHANNEL
);
8546 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
8552 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
8554 goto nla_put_failure
;
8556 genlmsg_end(msg
, hdr
);
8558 return genlmsg_reply(msg
, info
);
8567 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
8568 struct genl_info
*info
)
8570 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8571 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8574 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8577 if (!rdev
->ops
->cancel_remain_on_channel
)
8580 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8582 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
8585 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
8586 u8
*rates
, u8 rates_len
)
8591 for (i
= 0; i
< rates_len
; i
++) {
8592 int rate
= (rates
[i
] & 0x7f) * 5;
8595 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
8596 struct ieee80211_rate
*srate
=
8597 &sband
->bitrates
[ridx
];
8598 if (rate
== srate
->bitrate
) {
8603 if (ridx
== sband
->n_bitrates
)
8604 return 0; /* rate not found */
8610 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
8611 u8
*rates
, u8 rates_len
,
8612 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
8616 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
8618 for (i
= 0; i
< rates_len
; i
++) {
8621 ridx
= rates
[i
] / 8;
8622 rbit
= BIT(rates
[i
] % 8);
8624 /* check validity */
8625 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
8628 /* check availability */
8629 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
8638 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
8642 switch (vht_mcs_map
) {
8643 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
8645 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
8648 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
8651 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
8661 static void vht_build_mcs_mask(u16 vht_mcs_map
,
8662 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
8666 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8667 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8672 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8673 struct nl80211_txrate_vht
*txrate
,
8674 u16 mcs
[NL80211_VHT_NSS_MAX
])
8676 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8677 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8680 if (!sband
->vht_cap
.vht_supported
)
8683 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8685 /* Build vht_mcs_mask from VHT capabilities */
8686 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8688 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8689 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8690 mcs
[i
] = txrate
->mcs
[i
];
8698 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8699 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8700 .len
= NL80211_MAX_SUPP_RATES
},
8701 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8702 .len
= NL80211_MAX_SUPP_HT_RATES
},
8703 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8704 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8707 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8708 struct genl_info
*info
)
8710 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8711 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8712 struct cfg80211_bitrate_mask mask
;
8714 struct net_device
*dev
= info
->user_ptr
[1];
8715 struct nlattr
*tx_rates
;
8716 struct ieee80211_supported_band
*sband
;
8719 if (!rdev
->ops
->set_bitrate_mask
)
8722 memset(&mask
, 0, sizeof(mask
));
8723 /* Default to all rates enabled */
8724 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
8725 sband
= rdev
->wiphy
.bands
[i
];
8730 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8731 memcpy(mask
.control
[i
].ht_mcs
,
8732 sband
->ht_cap
.mcs
.rx_mask
,
8733 sizeof(mask
.control
[i
].ht_mcs
));
8735 if (!sband
->vht_cap
.vht_supported
)
8738 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8739 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8742 /* if no rates are given set it back to the defaults */
8743 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8747 * The nested attribute uses enum nl80211_band as the index. This maps
8748 * directly to the enum nl80211_band values used in cfg80211.
8750 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8751 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8752 enum nl80211_band band
= nla_type(tx_rates
);
8755 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
8757 sband
= rdev
->wiphy
.bands
[band
];
8760 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8761 nla_len(tx_rates
), nl80211_txattr_policy
);
8764 if (tb
[NL80211_TXRATE_LEGACY
]) {
8765 mask
.control
[band
].legacy
= rateset_to_mask(
8767 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8768 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8769 if ((mask
.control
[band
].legacy
== 0) &&
8770 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8773 if (tb
[NL80211_TXRATE_HT
]) {
8774 if (!ht_rateset_to_mask(
8776 nla_data(tb
[NL80211_TXRATE_HT
]),
8777 nla_len(tb
[NL80211_TXRATE_HT
]),
8778 mask
.control
[band
].ht_mcs
))
8781 if (tb
[NL80211_TXRATE_VHT
]) {
8782 if (!vht_set_mcs_mask(
8784 nla_data(tb
[NL80211_TXRATE_VHT
]),
8785 mask
.control
[band
].vht_mcs
))
8788 if (tb
[NL80211_TXRATE_GI
]) {
8789 mask
.control
[band
].gi
=
8790 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8791 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8795 if (mask
.control
[band
].legacy
== 0) {
8796 /* don't allow empty legacy rates if HT or VHT
8797 * are not even supported.
8799 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8800 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8803 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8804 if (mask
.control
[band
].ht_mcs
[i
])
8807 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8808 if (mask
.control
[band
].vht_mcs
[i
])
8811 /* legacy and mcs rates may not be both empty */
8817 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8820 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8822 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8823 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8824 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8826 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8829 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8830 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8832 switch (wdev
->iftype
) {
8833 case NL80211_IFTYPE_STATION
:
8834 case NL80211_IFTYPE_ADHOC
:
8835 case NL80211_IFTYPE_P2P_CLIENT
:
8836 case NL80211_IFTYPE_AP
:
8837 case NL80211_IFTYPE_AP_VLAN
:
8838 case NL80211_IFTYPE_MESH_POINT
:
8839 case NL80211_IFTYPE_P2P_GO
:
8840 case NL80211_IFTYPE_P2P_DEVICE
:
8846 /* not much point in registering if we can't reply */
8847 if (!rdev
->ops
->mgmt_tx
)
8850 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8851 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8852 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8855 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8857 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8858 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8859 struct cfg80211_chan_def chandef
;
8863 struct sk_buff
*msg
= NULL
;
8864 struct cfg80211_mgmt_tx_params params
= {
8865 .dont_wait_for_ack
=
8866 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8869 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8872 if (!rdev
->ops
->mgmt_tx
)
8875 switch (wdev
->iftype
) {
8876 case NL80211_IFTYPE_P2P_DEVICE
:
8877 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8879 case NL80211_IFTYPE_STATION
:
8880 case NL80211_IFTYPE_ADHOC
:
8881 case NL80211_IFTYPE_P2P_CLIENT
:
8882 case NL80211_IFTYPE_AP
:
8883 case NL80211_IFTYPE_AP_VLAN
:
8884 case NL80211_IFTYPE_MESH_POINT
:
8885 case NL80211_IFTYPE_P2P_GO
:
8891 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8892 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8894 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8897 * We should wait on the channel for at least a minimum amount
8898 * of time (10ms) but no longer than the driver supports.
8900 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8901 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8905 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8907 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8910 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8912 /* get the channel if any has been specified, otherwise pass NULL to
8913 * the driver. The latter will use the current one
8915 chandef
.chan
= NULL
;
8916 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8917 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8922 if (!chandef
.chan
&& params
.offchan
)
8925 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8926 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8928 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8929 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8932 if (len
% sizeof(u16
))
8935 params
.n_csa_offsets
= len
/ sizeof(u16
);
8936 params
.csa_offsets
=
8937 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8939 /* check that all the offsets fit the frame */
8940 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8941 if (params
.csa_offsets
[i
] >= params
.len
)
8946 if (!params
.dont_wait_for_ack
) {
8947 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8951 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8959 params
.chan
= chandef
.chan
;
8960 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8965 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
8967 goto nla_put_failure
;
8969 genlmsg_end(msg
, hdr
);
8970 return genlmsg_reply(msg
, info
);
8982 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8984 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8985 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8988 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8991 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8994 switch (wdev
->iftype
) {
8995 case NL80211_IFTYPE_STATION
:
8996 case NL80211_IFTYPE_ADHOC
:
8997 case NL80211_IFTYPE_P2P_CLIENT
:
8998 case NL80211_IFTYPE_AP
:
8999 case NL80211_IFTYPE_AP_VLAN
:
9000 case NL80211_IFTYPE_P2P_GO
:
9001 case NL80211_IFTYPE_P2P_DEVICE
:
9007 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9009 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
9012 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9014 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9015 struct wireless_dev
*wdev
;
9016 struct net_device
*dev
= info
->user_ptr
[1];
9021 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
9024 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
9026 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
9029 wdev
= dev
->ieee80211_ptr
;
9031 if (!rdev
->ops
->set_power_mgmt
)
9034 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
9036 if (state
== wdev
->ps
)
9039 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
9045 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9047 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9048 enum nl80211_ps_state ps_state
;
9049 struct wireless_dev
*wdev
;
9050 struct net_device
*dev
= info
->user_ptr
[1];
9051 struct sk_buff
*msg
;
9055 wdev
= dev
->ieee80211_ptr
;
9057 if (!rdev
->ops
->set_power_mgmt
)
9060 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9064 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9065 NL80211_CMD_GET_POWER_SAVE
);
9072 ps_state
= NL80211_PS_ENABLED
;
9074 ps_state
= NL80211_PS_DISABLED
;
9076 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
9077 goto nla_put_failure
;
9079 genlmsg_end(msg
, hdr
);
9080 return genlmsg_reply(msg
, info
);
9089 static const struct nla_policy
9090 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
9091 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
9092 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
9093 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
9094 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
9095 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
9096 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
9099 static int nl80211_set_cqm_txe(struct genl_info
*info
,
9100 u32 rate
, u32 pkts
, u32 intvl
)
9102 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9103 struct net_device
*dev
= info
->user_ptr
[1];
9104 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9106 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
9109 if (!rdev
->ops
->set_cqm_txe_config
)
9112 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9113 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9116 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
9119 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
9120 s32 threshold
, u32 hysteresis
)
9122 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9123 struct net_device
*dev
= info
->user_ptr
[1];
9124 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9129 /* disabling - hysteresis should also be zero then */
9133 if (!rdev
->ops
->set_cqm_rssi_config
)
9136 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9137 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9140 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
9143 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
9145 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
9149 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
9153 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
9154 nl80211_attr_cqm_policy
);
9158 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9159 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9160 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9161 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9163 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
9166 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9167 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9168 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9169 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9170 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9171 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9173 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9179 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9181 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9182 struct net_device
*dev
= info
->user_ptr
[1];
9183 struct ocb_setup setup
= {};
9186 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9190 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9193 static int nl80211_leave_ocb(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];
9198 return cfg80211_leave_ocb(rdev
, dev
);
9201 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9203 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9204 struct net_device
*dev
= info
->user_ptr
[1];
9205 struct mesh_config cfg
;
9206 struct mesh_setup setup
;
9209 /* start with default */
9210 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9211 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9213 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9214 /* and parse parameters if given */
9215 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9220 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9221 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9224 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9225 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9227 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9228 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
9229 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
9232 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
9233 setup
.beacon_interval
=
9234 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
9236 err
= cfg80211_validate_beacon_int(rdev
, setup
.beacon_interval
);
9241 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
9243 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
9244 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
9248 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
9249 /* parse additional setup parameters if given */
9250 err
= nl80211_parse_mesh_setup(info
, &setup
);
9256 cfg
.auto_open_plinks
= false;
9258 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9259 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9263 /* cfg80211_join_mesh() will sort it out */
9264 setup
.chandef
.chan
= NULL
;
9267 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
9268 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9270 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9271 struct ieee80211_supported_band
*sband
;
9273 if (!setup
.chandef
.chan
)
9276 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
9278 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
9279 &setup
.basic_rates
);
9284 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
9287 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9289 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9290 struct net_device
*dev
= info
->user_ptr
[1];
9292 return cfg80211_leave_mesh(rdev
, dev
);
9296 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
9297 struct cfg80211_registered_device
*rdev
)
9299 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
9300 struct nlattr
*nl_pats
, *nl_pat
;
9303 if (!wowlan
->n_patterns
)
9306 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
9310 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
9311 nl_pat
= nla_nest_start(msg
, i
+ 1);
9314 pat_len
= wowlan
->patterns
[i
].pattern_len
;
9315 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
9316 wowlan
->patterns
[i
].mask
) ||
9317 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9318 wowlan
->patterns
[i
].pattern
) ||
9319 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9320 wowlan
->patterns
[i
].pkt_offset
))
9322 nla_nest_end(msg
, nl_pat
);
9324 nla_nest_end(msg
, nl_pats
);
9329 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
9330 struct cfg80211_wowlan_tcp
*tcp
)
9332 struct nlattr
*nl_tcp
;
9337 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
9341 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
9342 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
9343 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
9344 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
9345 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
9346 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
9347 tcp
->payload_len
, tcp
->payload
) ||
9348 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
9349 tcp
->data_interval
) ||
9350 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
9351 tcp
->wake_len
, tcp
->wake_data
) ||
9352 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
9353 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
9356 if (tcp
->payload_seq
.len
&&
9357 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
9358 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
9361 if (tcp
->payload_tok
.len
&&
9362 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
9363 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
9367 nla_nest_end(msg
, nl_tcp
);
9372 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
9373 struct cfg80211_sched_scan_request
*req
)
9375 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
9381 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
9385 if (req
->n_scan_plans
== 1 &&
9386 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
9387 req
->scan_plans
[0].interval
* 1000))
9390 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
9393 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9397 for (i
= 0; i
< req
->n_channels
; i
++)
9398 nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
);
9400 nla_nest_end(msg
, freqs
);
9402 if (req
->n_match_sets
) {
9403 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
9404 for (i
= 0; i
< req
->n_match_sets
; i
++) {
9405 match
= nla_nest_start(msg
, i
);
9406 nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
9407 req
->match_sets
[i
].ssid
.ssid_len
,
9408 req
->match_sets
[i
].ssid
.ssid
);
9409 nla_nest_end(msg
, match
);
9411 nla_nest_end(msg
, matches
);
9414 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
9418 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
9419 scan_plan
= nla_nest_start(msg
, i
+ 1);
9421 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
9422 req
->scan_plans
[i
].interval
) ||
9423 (req
->scan_plans
[i
].iterations
&&
9424 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
9425 req
->scan_plans
[i
].iterations
)))
9427 nla_nest_end(msg
, scan_plan
);
9429 nla_nest_end(msg
, scan_plans
);
9431 nla_nest_end(msg
, nd
);
9436 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9438 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9439 struct sk_buff
*msg
;
9441 u32 size
= NLMSG_DEFAULT_SIZE
;
9443 if (!rdev
->wiphy
.wowlan
)
9446 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
9447 /* adjust size to have room for all the data */
9448 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
9449 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
9450 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
9451 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
9454 msg
= nlmsg_new(size
, GFP_KERNEL
);
9458 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9459 NL80211_CMD_GET_WOWLAN
);
9461 goto nla_put_failure
;
9463 if (rdev
->wiphy
.wowlan_config
) {
9464 struct nlattr
*nl_wowlan
;
9466 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
9468 goto nla_put_failure
;
9470 if ((rdev
->wiphy
.wowlan_config
->any
&&
9471 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
9472 (rdev
->wiphy
.wowlan_config
->disconnect
&&
9473 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
9474 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
9475 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
9476 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
9477 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
9478 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
9479 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
9480 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
9481 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
9482 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
9483 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
9484 goto nla_put_failure
;
9486 if (nl80211_send_wowlan_patterns(msg
, rdev
))
9487 goto nla_put_failure
;
9489 if (nl80211_send_wowlan_tcp(msg
,
9490 rdev
->wiphy
.wowlan_config
->tcp
))
9491 goto nla_put_failure
;
9493 if (nl80211_send_wowlan_nd(
9495 rdev
->wiphy
.wowlan_config
->nd_config
))
9496 goto nla_put_failure
;
9498 nla_nest_end(msg
, nl_wowlan
);
9501 genlmsg_end(msg
, hdr
);
9502 return genlmsg_reply(msg
, info
);
9509 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
9510 struct nlattr
*attr
,
9511 struct cfg80211_wowlan
*trig
)
9513 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
9514 struct cfg80211_wowlan_tcp
*cfg
;
9515 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
9516 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
9518 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
9521 if (!rdev
->wiphy
.wowlan
->tcp
)
9524 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
9525 nla_data(attr
), nla_len(attr
),
9526 nl80211_wowlan_tcp_policy
);
9530 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
9531 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
9532 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
9533 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
9534 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
9535 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
9536 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
9537 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
9540 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
9541 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
9544 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
9545 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
9546 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
9549 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
9550 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
9553 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
9554 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
9557 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
9558 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9560 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9561 tokens_size
= tokln
- sizeof(*tok
);
9563 if (!tok
->len
|| tokens_size
% tok
->len
)
9565 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
9567 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
9569 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
9571 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
9573 if (tok
->offset
+ tok
->len
> data_size
)
9577 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
9578 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
9579 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
9581 if (seq
->len
== 0 || seq
->len
> 4)
9583 if (seq
->len
+ seq
->offset
> data_size
)
9587 size
= sizeof(*cfg
);
9589 size
+= wake_size
+ wake_mask_size
;
9590 size
+= tokens_size
;
9592 cfg
= kzalloc(size
, GFP_KERNEL
);
9595 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
9596 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
9597 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
9599 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
9600 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
9604 /* allocate a socket and port for it and use it */
9605 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
9606 IPPROTO_TCP
, &cfg
->sock
, 1);
9611 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
9612 sock_release(cfg
->sock
);
9616 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
9622 cfg
->src_port
= port
;
9625 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
9626 cfg
->payload_len
= data_size
;
9627 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
9628 memcpy((void *)cfg
->payload
,
9629 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
9632 cfg
->payload_seq
= *seq
;
9633 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
9634 cfg
->wake_len
= wake_size
;
9635 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
9636 memcpy((void *)cfg
->wake_data
,
9637 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
9639 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
9640 data_size
+ wake_size
;
9641 memcpy((void *)cfg
->wake_mask
,
9642 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
9645 cfg
->tokens_size
= tokens_size
;
9646 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
9654 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
9655 const struct wiphy_wowlan_support
*wowlan
,
9656 struct nlattr
*attr
,
9657 struct cfg80211_wowlan
*trig
)
9662 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
9666 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
9671 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
9672 nla_data(attr
), nla_len(attr
),
9677 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
9678 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
9680 trig
->nd_config
= NULL
;
9687 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9689 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9690 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
9691 struct cfg80211_wowlan new_triggers
= {};
9692 struct cfg80211_wowlan
*ntrig
;
9693 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
9695 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
9696 bool regular
= false;
9701 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
9702 cfg80211_rdev_free_wowlan(rdev
);
9703 rdev
->wiphy
.wowlan_config
= NULL
;
9707 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
9708 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9709 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9710 nl80211_wowlan_policy
);
9714 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
9715 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
9717 new_triggers
.any
= true;
9720 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
9721 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
9723 new_triggers
.disconnect
= true;
9727 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
9728 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
9730 new_triggers
.magic_pkt
= true;
9734 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
9737 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
9738 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9740 new_triggers
.gtk_rekey_failure
= true;
9744 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9745 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9747 new_triggers
.eap_identity_req
= true;
9751 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9752 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9754 new_triggers
.four_way_handshake
= true;
9758 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9759 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9761 new_triggers
.rfkill_release
= true;
9765 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9768 int rem
, pat_len
, mask_len
, pkt_offset
;
9769 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9773 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9776 if (n_patterns
> wowlan
->n_patterns
)
9779 new_triggers
.patterns
= kcalloc(n_patterns
,
9780 sizeof(new_triggers
.patterns
[0]),
9782 if (!new_triggers
.patterns
)
9785 new_triggers
.n_patterns
= n_patterns
;
9788 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9792 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9793 nla_len(pat
), NULL
);
9795 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9796 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9798 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9799 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9800 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9802 if (pat_len
> wowlan
->pattern_max_len
||
9803 pat_len
< wowlan
->pattern_min_len
)
9806 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9809 pkt_offset
= nla_get_u32(
9810 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9811 if (pkt_offset
> wowlan
->max_pkt_offset
)
9813 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9815 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9820 new_triggers
.patterns
[i
].mask
= mask_pat
;
9821 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9823 mask_pat
+= mask_len
;
9824 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9825 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9827 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9833 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9835 err
= nl80211_parse_wowlan_tcp(
9836 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9842 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9844 err
= nl80211_parse_wowlan_nd(
9845 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9851 /* The 'any' trigger means the device continues operating more or less
9852 * as in its normal operation mode and wakes up the host on most of the
9853 * normal interrupts (like packet RX, ...)
9854 * It therefore makes little sense to combine with the more constrained
9855 * wakeup trigger modes.
9857 if (new_triggers
.any
&& regular
) {
9862 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9867 cfg80211_rdev_free_wowlan(rdev
);
9868 rdev
->wiphy
.wowlan_config
= ntrig
;
9871 if (rdev
->ops
->set_wakeup
&&
9872 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9873 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9877 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9878 kfree(new_triggers
.patterns
[i
].mask
);
9879 kfree(new_triggers
.patterns
);
9880 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9881 sock_release(new_triggers
.tcp
->sock
);
9882 kfree(new_triggers
.tcp
);
9883 kfree(new_triggers
.nd_config
);
9888 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9889 struct cfg80211_registered_device
*rdev
)
9891 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9893 struct cfg80211_coalesce_rules
*rule
;
9895 if (!rdev
->coalesce
->n_rules
)
9898 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9902 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9903 nl_rule
= nla_nest_start(msg
, i
+ 1);
9907 rule
= &rdev
->coalesce
->rules
[i
];
9908 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9912 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9916 nl_pats
= nla_nest_start(msg
,
9917 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9921 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9922 nl_pat
= nla_nest_start(msg
, j
+ 1);
9925 pat_len
= rule
->patterns
[j
].pattern_len
;
9926 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9927 DIV_ROUND_UP(pat_len
, 8),
9928 rule
->patterns
[j
].mask
) ||
9929 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9930 rule
->patterns
[j
].pattern
) ||
9931 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9932 rule
->patterns
[j
].pkt_offset
))
9934 nla_nest_end(msg
, nl_pat
);
9936 nla_nest_end(msg
, nl_pats
);
9937 nla_nest_end(msg
, nl_rule
);
9939 nla_nest_end(msg
, nl_rules
);
9944 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9946 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9947 struct sk_buff
*msg
;
9950 if (!rdev
->wiphy
.coalesce
)
9953 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9957 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9958 NL80211_CMD_GET_COALESCE
);
9960 goto nla_put_failure
;
9962 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9963 goto nla_put_failure
;
9965 genlmsg_end(msg
, hdr
);
9966 return genlmsg_reply(msg
, info
);
9973 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9975 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9977 struct cfg80211_coalesce_rules
*rule
;
9982 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9983 rule
= &coalesce
->rules
[i
];
9984 for (j
= 0; j
< rule
->n_patterns
; j
++)
9985 kfree(rule
->patterns
[j
].mask
);
9986 kfree(rule
->patterns
);
9988 kfree(coalesce
->rules
);
9990 rdev
->coalesce
= NULL
;
9993 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9994 struct nlattr
*rule
,
9995 struct cfg80211_coalesce_rules
*new_rule
)
9998 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9999 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
10000 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
10001 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10003 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
10004 nla_len(rule
), nl80211_coalesce_policy
);
10008 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
10010 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
10011 if (new_rule
->delay
> coalesce
->max_delay
)
10014 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
10015 new_rule
->condition
=
10016 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
10017 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
10018 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
10021 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
10024 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10027 if (n_patterns
> coalesce
->n_patterns
)
10030 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
10032 if (!new_rule
->patterns
)
10035 new_rule
->n_patterns
= n_patterns
;
10038 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10042 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
10043 nla_len(pat
), NULL
);
10044 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10045 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10047 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10048 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10049 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10051 if (pat_len
> coalesce
->pattern_max_len
||
10052 pat_len
< coalesce
->pattern_min_len
)
10055 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10058 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
10059 if (pkt_offset
> coalesce
->max_pkt_offset
)
10061 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
10063 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10067 new_rule
->patterns
[i
].mask
= mask_pat
;
10068 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10071 mask_pat
+= mask_len
;
10072 new_rule
->patterns
[i
].pattern
= mask_pat
;
10073 new_rule
->patterns
[i
].pattern_len
= pat_len
;
10074 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10082 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10084 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10085 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10086 struct cfg80211_coalesce new_coalesce
= {};
10087 struct cfg80211_coalesce
*n_coalesce
;
10088 int err
, rem_rule
, n_rules
= 0, i
, j
;
10089 struct nlattr
*rule
;
10090 struct cfg80211_coalesce_rules
*tmp_rule
;
10092 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
10093 return -EOPNOTSUPP
;
10095 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
10096 cfg80211_rdev_free_coalesce(rdev
);
10097 rdev_set_coalesce(rdev
, NULL
);
10101 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10104 if (n_rules
> coalesce
->n_rules
)
10107 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
10109 if (!new_coalesce
.rules
)
10112 new_coalesce
.n_rules
= n_rules
;
10115 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10117 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
10118 &new_coalesce
.rules
[i
]);
10125 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
10129 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
10134 cfg80211_rdev_free_coalesce(rdev
);
10135 rdev
->coalesce
= n_coalesce
;
10139 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
10140 tmp_rule
= &new_coalesce
.rules
[i
];
10141 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
10142 kfree(tmp_rule
->patterns
[j
].mask
);
10143 kfree(tmp_rule
->patterns
);
10145 kfree(new_coalesce
.rules
);
10150 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
10152 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10153 struct net_device
*dev
= info
->user_ptr
[1];
10154 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10155 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
10156 struct cfg80211_gtk_rekey_data rekey_data
;
10159 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10162 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
10163 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
10164 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
10165 nl80211_rekey_policy
);
10169 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10171 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10173 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10176 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10177 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10178 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
10181 if (!wdev
->current_bss
) {
10186 if (!rdev
->ops
->set_rekey_data
) {
10191 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
10197 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
10198 struct genl_info
*info
)
10200 struct net_device
*dev
= info
->user_ptr
[1];
10201 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10203 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10204 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10207 if (wdev
->ap_unexpected_nlportid
)
10210 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
10214 static int nl80211_probe_client(struct sk_buff
*skb
,
10215 struct genl_info
*info
)
10217 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10218 struct net_device
*dev
= info
->user_ptr
[1];
10219 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10220 struct sk_buff
*msg
;
10226 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10227 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10228 return -EOPNOTSUPP
;
10230 if (!info
->attrs
[NL80211_ATTR_MAC
])
10233 if (!rdev
->ops
->probe_client
)
10234 return -EOPNOTSUPP
;
10236 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10240 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10241 NL80211_CMD_PROBE_CLIENT
);
10247 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10249 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
10253 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
10255 goto nla_put_failure
;
10257 genlmsg_end(msg
, hdr
);
10259 return genlmsg_reply(msg
, info
);
10268 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
10270 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10271 struct cfg80211_beacon_registration
*reg
, *nreg
;
10274 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
10275 return -EOPNOTSUPP
;
10277 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
10281 /* First, check if already registered. */
10282 spin_lock_bh(&rdev
->beacon_registrations_lock
);
10283 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
10284 if (reg
->nlportid
== info
->snd_portid
) {
10289 /* Add it to the list */
10290 nreg
->nlportid
= info
->snd_portid
;
10291 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
10293 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10297 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10302 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
10304 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10305 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10308 if (!rdev
->ops
->start_p2p_device
)
10309 return -EOPNOTSUPP
;
10311 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
10312 return -EOPNOTSUPP
;
10314 if (wdev
->p2p_started
)
10317 if (rfkill_blocked(rdev
->rfkill
))
10320 err
= rdev_start_p2p_device(rdev
, wdev
);
10324 wdev
->p2p_started
= true;
10330 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
10332 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10333 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10335 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
10336 return -EOPNOTSUPP
;
10338 if (!rdev
->ops
->stop_p2p_device
)
10339 return -EOPNOTSUPP
;
10341 cfg80211_stop_p2p_device(rdev
, wdev
);
10346 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
10347 struct genl_info
*info
)
10350 struct sk_buff
*msg
;
10352 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10356 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10357 NL80211_CMD_GET_PROTOCOL_FEATURES
);
10359 goto nla_put_failure
;
10361 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
10362 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
10363 goto nla_put_failure
;
10365 genlmsg_end(msg
, hdr
);
10366 return genlmsg_reply(msg
, info
);
10373 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
10375 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10376 struct cfg80211_update_ft_ies_params ft_params
;
10377 struct net_device
*dev
= info
->user_ptr
[1];
10379 if (!rdev
->ops
->update_ft_ies
)
10380 return -EOPNOTSUPP
;
10382 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
10383 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
10386 memset(&ft_params
, 0, sizeof(ft_params
));
10387 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
10388 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
10389 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
10391 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
10394 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
10395 struct genl_info
*info
)
10397 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10398 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10399 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
10403 if (!rdev
->ops
->crit_proto_start
)
10404 return -EOPNOTSUPP
;
10406 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
10409 if (rdev
->crit_proto_nlportid
)
10412 /* determine protocol if provided */
10413 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
10414 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
10416 if (proto
>= NUM_NL80211_CRIT_PROTO
)
10419 /* timeout must be provided */
10420 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
10424 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
10426 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
10429 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
10431 rdev
->crit_proto_nlportid
= info
->snd_portid
;
10436 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
10437 struct genl_info
*info
)
10439 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10440 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10442 if (!rdev
->ops
->crit_proto_stop
)
10443 return -EOPNOTSUPP
;
10445 if (rdev
->crit_proto_nlportid
) {
10446 rdev
->crit_proto_nlportid
= 0;
10447 rdev_crit_proto_stop(rdev
, wdev
);
10452 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
10454 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10455 struct wireless_dev
*wdev
=
10456 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
10460 if (!rdev
->wiphy
.vendor_commands
)
10461 return -EOPNOTSUPP
;
10463 if (IS_ERR(wdev
)) {
10464 err
= PTR_ERR(wdev
);
10465 if (err
!= -EINVAL
)
10468 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
10472 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
10473 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
10476 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
10477 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
10478 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
10479 const struct wiphy_vendor_command
*vcmd
;
10483 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
10485 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
10488 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
10489 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
10492 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
10496 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
10497 if (wdev
->netdev
&&
10498 !netif_running(wdev
->netdev
))
10500 if (!wdev
->netdev
&& !wdev
->p2p_started
)
10505 return -EOPNOTSUPP
;
10510 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
10511 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
10512 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
10515 rdev
->cur_cmd_info
= info
;
10516 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
10518 rdev
->cur_cmd_info
= NULL
;
10522 return -EOPNOTSUPP
;
10525 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
10526 struct netlink_callback
*cb
,
10527 struct cfg80211_registered_device
**rdev
,
10528 struct wireless_dev
**wdev
)
10535 unsigned int data_len
= 0;
10540 /* subtract the 1 again here */
10541 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
10542 struct wireless_dev
*tmp
;
10548 *rdev
= wiphy_to_rdev(wiphy
);
10552 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
10553 if (tmp
->identifier
== cb
->args
[1] - 1) {
10560 /* keep rtnl locked in successful case */
10564 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
10565 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
10570 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
10571 !nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]) {
10576 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
10577 nl80211_fam
.attrbuf
);
10581 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
10582 nl80211_fam
.attrbuf
);
10583 if (IS_ERR(*rdev
)) {
10584 err
= PTR_ERR(*rdev
);
10588 vid
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_ID
]);
10589 subcmd
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
10591 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
10592 const struct wiphy_vendor_command
*vcmd
;
10594 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
10596 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
10599 if (!vcmd
->dumpit
) {
10608 if (vcmd_idx
< 0) {
10613 if (nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
10614 data
= nla_data(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
10615 data_len
= nla_len(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
10618 /* 0 is the first index - add 1 to parse only once */
10619 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
10620 /* add 1 to know if it was NULL */
10621 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
10622 cb
->args
[2] = vcmd_idx
;
10623 cb
->args
[3] = (unsigned long)data
;
10624 cb
->args
[4] = data_len
;
10626 /* keep rtnl locked in successful case */
10633 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
10634 struct netlink_callback
*cb
)
10636 struct cfg80211_registered_device
*rdev
;
10637 struct wireless_dev
*wdev
;
10638 unsigned int vcmd_idx
;
10639 const struct wiphy_vendor_command
*vcmd
;
10643 struct nlattr
*vendor_data
;
10645 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
10649 vcmd_idx
= cb
->args
[2];
10650 data
= (void *)cb
->args
[3];
10651 data_len
= cb
->args
[4];
10652 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
10654 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
10655 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
10658 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
10662 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
10663 if (wdev
->netdev
&&
10664 !netif_running(wdev
->netdev
))
10666 if (!wdev
->netdev
&& !wdev
->p2p_started
)
10672 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
10673 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
10674 NL80211_CMD_VENDOR
);
10678 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10679 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
10681 NL80211_ATTR_PAD
))) {
10682 genlmsg_cancel(skb
, hdr
);
10686 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
10687 if (!vendor_data
) {
10688 genlmsg_cancel(skb
, hdr
);
10692 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
10693 (unsigned long *)&cb
->args
[5]);
10694 nla_nest_end(skb
, vendor_data
);
10696 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
10697 genlmsg_cancel(skb
, hdr
);
10700 genlmsg_cancel(skb
, hdr
);
10704 genlmsg_end(skb
, hdr
);
10713 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
10714 enum nl80211_commands cmd
,
10715 enum nl80211_attrs attr
,
10718 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10720 if (WARN_ON(!rdev
->cur_cmd_info
))
10723 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
10724 rdev
->cur_cmd_info
->snd_portid
,
10725 rdev
->cur_cmd_info
->snd_seq
,
10726 cmd
, attr
, NULL
, GFP_KERNEL
);
10728 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
10730 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
10732 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
10733 void *hdr
= ((void **)skb
->cb
)[1];
10734 struct nlattr
*data
= ((void **)skb
->cb
)[2];
10736 /* clear CB data for netlink core to own from now on */
10737 memset(skb
->cb
, 0, sizeof(skb
->cb
));
10739 if (WARN_ON(!rdev
->cur_cmd_info
)) {
10744 nla_nest_end(skb
, data
);
10745 genlmsg_end(skb
, hdr
);
10746 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
10748 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
10750 static int nl80211_set_qos_map(struct sk_buff
*skb
,
10751 struct genl_info
*info
)
10753 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10754 struct cfg80211_qos_map
*qos_map
= NULL
;
10755 struct net_device
*dev
= info
->user_ptr
[1];
10756 u8
*pos
, len
, num_des
, des_len
, des
;
10759 if (!rdev
->ops
->set_qos_map
)
10760 return -EOPNOTSUPP
;
10762 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
10763 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10764 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10766 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
10767 len
> IEEE80211_QOS_MAP_LEN_MAX
)
10770 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
10774 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
10776 des_len
= num_des
*
10777 sizeof(struct cfg80211_dscp_exception
);
10778 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
10779 qos_map
->num_des
= num_des
;
10780 for (des
= 0; des
< num_des
; des
++) {
10781 if (qos_map
->dscp_exception
[des
].up
> 7) {
10788 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
10791 wdev_lock(dev
->ieee80211_ptr
);
10792 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
10794 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
10795 wdev_unlock(dev
->ieee80211_ptr
);
10801 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10803 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10804 struct net_device
*dev
= info
->user_ptr
[1];
10805 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10808 u16 admitted_time
= 0;
10811 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
10812 return -EOPNOTSUPP
;
10814 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
10815 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
10818 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10819 if (tsid
>= IEEE80211_NUM_TIDS
)
10822 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
10823 if (up
>= IEEE80211_NUM_UPS
)
10826 /* WMM uses TIDs 0-7 even for TSPEC */
10827 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
10828 /* TODO: handle 802.11 TSPEC/admission control
10829 * need more attributes for that (e.g. BA session requirement);
10830 * change the WMM adminssion test above to allow both then
10835 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10837 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
10839 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
10840 if (!admitted_time
)
10845 switch (wdev
->iftype
) {
10846 case NL80211_IFTYPE_STATION
:
10847 case NL80211_IFTYPE_P2P_CLIENT
:
10848 if (wdev
->current_bss
)
10857 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
10864 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10866 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10867 struct net_device
*dev
= info
->user_ptr
[1];
10868 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10873 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
10876 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10877 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10880 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
10886 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
10887 struct genl_info
*info
)
10889 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10890 struct net_device
*dev
= info
->user_ptr
[1];
10891 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10892 struct cfg80211_chan_def chandef
= {};
10897 if (!rdev
->ops
->tdls_channel_switch
||
10898 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10899 return -EOPNOTSUPP
;
10901 switch (dev
->ieee80211_ptr
->iftype
) {
10902 case NL80211_IFTYPE_STATION
:
10903 case NL80211_IFTYPE_P2P_CLIENT
:
10906 return -EOPNOTSUPP
;
10909 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
10910 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
10913 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
10918 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
10919 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
10920 * specification is not defined for them.
10922 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
10923 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
10924 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
10927 /* we will be active on the TDLS link */
10928 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
10932 /* don't allow switching to DFS channels */
10933 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
10936 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10937 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
10940 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
10946 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
10947 struct genl_info
*info
)
10949 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10950 struct net_device
*dev
= info
->user_ptr
[1];
10951 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10954 if (!rdev
->ops
->tdls_channel_switch
||
10955 !rdev
->ops
->tdls_cancel_channel_switch
||
10956 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10957 return -EOPNOTSUPP
;
10959 switch (dev
->ieee80211_ptr
->iftype
) {
10960 case NL80211_IFTYPE_STATION
:
10961 case NL80211_IFTYPE_P2P_CLIENT
:
10964 return -EOPNOTSUPP
;
10967 if (!info
->attrs
[NL80211_ATTR_MAC
])
10970 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10973 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10979 #define NL80211_FLAG_NEED_WIPHY 0x01
10980 #define NL80211_FLAG_NEED_NETDEV 0x02
10981 #define NL80211_FLAG_NEED_RTNL 0x04
10982 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10983 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10984 NL80211_FLAG_CHECK_NETDEV_UP)
10985 #define NL80211_FLAG_NEED_WDEV 0x10
10986 /* If a netdev is associated, it must be UP, P2P must be started */
10987 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10988 NL80211_FLAG_CHECK_NETDEV_UP)
10989 #define NL80211_FLAG_CLEAR_SKB 0x20
10991 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10992 struct genl_info
*info
)
10994 struct cfg80211_registered_device
*rdev
;
10995 struct wireless_dev
*wdev
;
10996 struct net_device
*dev
;
10997 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
11002 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
11003 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
11004 if (IS_ERR(rdev
)) {
11007 return PTR_ERR(rdev
);
11009 info
->user_ptr
[0] = rdev
;
11010 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
11011 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
11014 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
11016 if (IS_ERR(wdev
)) {
11019 return PTR_ERR(wdev
);
11022 dev
= wdev
->netdev
;
11023 rdev
= wiphy_to_rdev(wdev
->wiphy
);
11025 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
11032 info
->user_ptr
[1] = dev
;
11034 info
->user_ptr
[1] = wdev
;
11038 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
11039 !netif_running(dev
)) {
11046 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
11047 if (!wdev
->p2p_started
) {
11054 info
->user_ptr
[0] = rdev
;
11060 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
11061 struct genl_info
*info
)
11063 if (info
->user_ptr
[1]) {
11064 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
11065 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11068 dev_put(wdev
->netdev
);
11070 dev_put(info
->user_ptr
[1]);
11074 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
11077 /* If needed, clear the netlink message payload from the SKB
11078 * as it might contain key data that shouldn't stick around on
11079 * the heap after the SKB is freed. The netlink message header
11080 * is still needed for further processing, so leave it intact.
11082 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
11083 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
11085 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
11089 static const struct genl_ops nl80211_ops
[] = {
11091 .cmd
= NL80211_CMD_GET_WIPHY
,
11092 .doit
= nl80211_get_wiphy
,
11093 .dumpit
= nl80211_dump_wiphy
,
11094 .done
= nl80211_dump_wiphy_done
,
11095 .policy
= nl80211_policy
,
11096 /* can be retrieved by unprivileged users */
11097 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11098 NL80211_FLAG_NEED_RTNL
,
11101 .cmd
= NL80211_CMD_SET_WIPHY
,
11102 .doit
= nl80211_set_wiphy
,
11103 .policy
= nl80211_policy
,
11104 .flags
= GENL_UNS_ADMIN_PERM
,
11105 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11108 .cmd
= NL80211_CMD_GET_INTERFACE
,
11109 .doit
= nl80211_get_interface
,
11110 .dumpit
= nl80211_dump_interface
,
11111 .policy
= nl80211_policy
,
11112 /* can be retrieved by unprivileged users */
11113 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11114 NL80211_FLAG_NEED_RTNL
,
11117 .cmd
= NL80211_CMD_SET_INTERFACE
,
11118 .doit
= nl80211_set_interface
,
11119 .policy
= nl80211_policy
,
11120 .flags
= GENL_UNS_ADMIN_PERM
,
11121 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11122 NL80211_FLAG_NEED_RTNL
,
11125 .cmd
= NL80211_CMD_NEW_INTERFACE
,
11126 .doit
= nl80211_new_interface
,
11127 .policy
= nl80211_policy
,
11128 .flags
= GENL_UNS_ADMIN_PERM
,
11129 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11130 NL80211_FLAG_NEED_RTNL
,
11133 .cmd
= NL80211_CMD_DEL_INTERFACE
,
11134 .doit
= nl80211_del_interface
,
11135 .policy
= nl80211_policy
,
11136 .flags
= GENL_UNS_ADMIN_PERM
,
11137 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11138 NL80211_FLAG_NEED_RTNL
,
11141 .cmd
= NL80211_CMD_GET_KEY
,
11142 .doit
= nl80211_get_key
,
11143 .policy
= nl80211_policy
,
11144 .flags
= GENL_UNS_ADMIN_PERM
,
11145 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11146 NL80211_FLAG_NEED_RTNL
,
11149 .cmd
= NL80211_CMD_SET_KEY
,
11150 .doit
= nl80211_set_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_NEW_KEY
,
11159 .doit
= nl80211_new_key
,
11160 .policy
= nl80211_policy
,
11161 .flags
= GENL_UNS_ADMIN_PERM
,
11162 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11163 NL80211_FLAG_NEED_RTNL
|
11164 NL80211_FLAG_CLEAR_SKB
,
11167 .cmd
= NL80211_CMD_DEL_KEY
,
11168 .doit
= nl80211_del_key
,
11169 .policy
= nl80211_policy
,
11170 .flags
= GENL_UNS_ADMIN_PERM
,
11171 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11172 NL80211_FLAG_NEED_RTNL
,
11175 .cmd
= NL80211_CMD_SET_BEACON
,
11176 .policy
= nl80211_policy
,
11177 .flags
= GENL_UNS_ADMIN_PERM
,
11178 .doit
= nl80211_set_beacon
,
11179 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11180 NL80211_FLAG_NEED_RTNL
,
11183 .cmd
= NL80211_CMD_START_AP
,
11184 .policy
= nl80211_policy
,
11185 .flags
= GENL_UNS_ADMIN_PERM
,
11186 .doit
= nl80211_start_ap
,
11187 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11188 NL80211_FLAG_NEED_RTNL
,
11191 .cmd
= NL80211_CMD_STOP_AP
,
11192 .policy
= nl80211_policy
,
11193 .flags
= GENL_UNS_ADMIN_PERM
,
11194 .doit
= nl80211_stop_ap
,
11195 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11196 NL80211_FLAG_NEED_RTNL
,
11199 .cmd
= NL80211_CMD_GET_STATION
,
11200 .doit
= nl80211_get_station
,
11201 .dumpit
= nl80211_dump_station
,
11202 .policy
= nl80211_policy
,
11203 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11204 NL80211_FLAG_NEED_RTNL
,
11207 .cmd
= NL80211_CMD_SET_STATION
,
11208 .doit
= nl80211_set_station
,
11209 .policy
= nl80211_policy
,
11210 .flags
= GENL_UNS_ADMIN_PERM
,
11211 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11212 NL80211_FLAG_NEED_RTNL
,
11215 .cmd
= NL80211_CMD_NEW_STATION
,
11216 .doit
= nl80211_new_station
,
11217 .policy
= nl80211_policy
,
11218 .flags
= GENL_UNS_ADMIN_PERM
,
11219 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11220 NL80211_FLAG_NEED_RTNL
,
11223 .cmd
= NL80211_CMD_DEL_STATION
,
11224 .doit
= nl80211_del_station
,
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_MPATH
,
11232 .doit
= nl80211_get_mpath
,
11233 .dumpit
= nl80211_dump_mpath
,
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_GET_MPP
,
11241 .doit
= nl80211_get_mpp
,
11242 .dumpit
= nl80211_dump_mpp
,
11243 .policy
= nl80211_policy
,
11244 .flags
= GENL_UNS_ADMIN_PERM
,
11245 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11246 NL80211_FLAG_NEED_RTNL
,
11249 .cmd
= NL80211_CMD_SET_MPATH
,
11250 .doit
= nl80211_set_mpath
,
11251 .policy
= nl80211_policy
,
11252 .flags
= GENL_UNS_ADMIN_PERM
,
11253 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11254 NL80211_FLAG_NEED_RTNL
,
11257 .cmd
= NL80211_CMD_NEW_MPATH
,
11258 .doit
= nl80211_new_mpath
,
11259 .policy
= nl80211_policy
,
11260 .flags
= GENL_UNS_ADMIN_PERM
,
11261 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11262 NL80211_FLAG_NEED_RTNL
,
11265 .cmd
= NL80211_CMD_DEL_MPATH
,
11266 .doit
= nl80211_del_mpath
,
11267 .policy
= nl80211_policy
,
11268 .flags
= GENL_UNS_ADMIN_PERM
,
11269 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11270 NL80211_FLAG_NEED_RTNL
,
11273 .cmd
= NL80211_CMD_SET_BSS
,
11274 .doit
= nl80211_set_bss
,
11275 .policy
= nl80211_policy
,
11276 .flags
= GENL_UNS_ADMIN_PERM
,
11277 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11278 NL80211_FLAG_NEED_RTNL
,
11281 .cmd
= NL80211_CMD_GET_REG
,
11282 .doit
= nl80211_get_reg_do
,
11283 .dumpit
= nl80211_get_reg_dump
,
11284 .policy
= nl80211_policy
,
11285 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11286 /* can be retrieved by unprivileged users */
11288 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
11290 .cmd
= NL80211_CMD_SET_REG
,
11291 .doit
= nl80211_set_reg
,
11292 .policy
= nl80211_policy
,
11293 .flags
= GENL_ADMIN_PERM
,
11294 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11298 .cmd
= NL80211_CMD_REQ_SET_REG
,
11299 .doit
= nl80211_req_set_reg
,
11300 .policy
= nl80211_policy
,
11301 .flags
= GENL_ADMIN_PERM
,
11304 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
11305 .doit
= nl80211_get_mesh_config
,
11306 .policy
= nl80211_policy
,
11307 /* can be retrieved by unprivileged users */
11308 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11309 NL80211_FLAG_NEED_RTNL
,
11312 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
11313 .doit
= nl80211_update_mesh_config
,
11314 .policy
= nl80211_policy
,
11315 .flags
= GENL_UNS_ADMIN_PERM
,
11316 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11317 NL80211_FLAG_NEED_RTNL
,
11320 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
11321 .doit
= nl80211_trigger_scan
,
11322 .policy
= nl80211_policy
,
11323 .flags
= GENL_UNS_ADMIN_PERM
,
11324 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11325 NL80211_FLAG_NEED_RTNL
,
11328 .cmd
= NL80211_CMD_ABORT_SCAN
,
11329 .doit
= nl80211_abort_scan
,
11330 .policy
= nl80211_policy
,
11331 .flags
= GENL_UNS_ADMIN_PERM
,
11332 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11333 NL80211_FLAG_NEED_RTNL
,
11336 .cmd
= NL80211_CMD_GET_SCAN
,
11337 .policy
= nl80211_policy
,
11338 .dumpit
= nl80211_dump_scan
,
11341 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
11342 .doit
= nl80211_start_sched_scan
,
11343 .policy
= nl80211_policy
,
11344 .flags
= GENL_UNS_ADMIN_PERM
,
11345 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11346 NL80211_FLAG_NEED_RTNL
,
11349 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
11350 .doit
= nl80211_stop_sched_scan
,
11351 .policy
= nl80211_policy
,
11352 .flags
= GENL_UNS_ADMIN_PERM
,
11353 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11354 NL80211_FLAG_NEED_RTNL
,
11357 .cmd
= NL80211_CMD_AUTHENTICATE
,
11358 .doit
= nl80211_authenticate
,
11359 .policy
= nl80211_policy
,
11360 .flags
= GENL_UNS_ADMIN_PERM
,
11361 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11362 NL80211_FLAG_NEED_RTNL
|
11363 NL80211_FLAG_CLEAR_SKB
,
11366 .cmd
= NL80211_CMD_ASSOCIATE
,
11367 .doit
= nl80211_associate
,
11368 .policy
= nl80211_policy
,
11369 .flags
= GENL_UNS_ADMIN_PERM
,
11370 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11371 NL80211_FLAG_NEED_RTNL
,
11374 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
11375 .doit
= nl80211_deauthenticate
,
11376 .policy
= nl80211_policy
,
11377 .flags
= GENL_UNS_ADMIN_PERM
,
11378 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11379 NL80211_FLAG_NEED_RTNL
,
11382 .cmd
= NL80211_CMD_DISASSOCIATE
,
11383 .doit
= nl80211_disassociate
,
11384 .policy
= nl80211_policy
,
11385 .flags
= GENL_UNS_ADMIN_PERM
,
11386 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11387 NL80211_FLAG_NEED_RTNL
,
11390 .cmd
= NL80211_CMD_JOIN_IBSS
,
11391 .doit
= nl80211_join_ibss
,
11392 .policy
= nl80211_policy
,
11393 .flags
= GENL_UNS_ADMIN_PERM
,
11394 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11395 NL80211_FLAG_NEED_RTNL
,
11398 .cmd
= NL80211_CMD_LEAVE_IBSS
,
11399 .doit
= nl80211_leave_ibss
,
11400 .policy
= nl80211_policy
,
11401 .flags
= GENL_UNS_ADMIN_PERM
,
11402 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11403 NL80211_FLAG_NEED_RTNL
,
11405 #ifdef CONFIG_NL80211_TESTMODE
11407 .cmd
= NL80211_CMD_TESTMODE
,
11408 .doit
= nl80211_testmode_do
,
11409 .dumpit
= nl80211_testmode_dump
,
11410 .policy
= nl80211_policy
,
11411 .flags
= GENL_UNS_ADMIN_PERM
,
11412 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11413 NL80211_FLAG_NEED_RTNL
,
11417 .cmd
= NL80211_CMD_CONNECT
,
11418 .doit
= nl80211_connect
,
11419 .policy
= nl80211_policy
,
11420 .flags
= GENL_UNS_ADMIN_PERM
,
11421 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11422 NL80211_FLAG_NEED_RTNL
,
11425 .cmd
= NL80211_CMD_DISCONNECT
,
11426 .doit
= nl80211_disconnect
,
11427 .policy
= nl80211_policy
,
11428 .flags
= GENL_UNS_ADMIN_PERM
,
11429 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11430 NL80211_FLAG_NEED_RTNL
,
11433 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
11434 .doit
= nl80211_wiphy_netns
,
11435 .policy
= nl80211_policy
,
11436 .flags
= GENL_UNS_ADMIN_PERM
,
11437 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11438 NL80211_FLAG_NEED_RTNL
,
11441 .cmd
= NL80211_CMD_GET_SURVEY
,
11442 .policy
= nl80211_policy
,
11443 .dumpit
= nl80211_dump_survey
,
11446 .cmd
= NL80211_CMD_SET_PMKSA
,
11447 .doit
= nl80211_setdel_pmksa
,
11448 .policy
= nl80211_policy
,
11449 .flags
= GENL_UNS_ADMIN_PERM
,
11450 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11451 NL80211_FLAG_NEED_RTNL
,
11454 .cmd
= NL80211_CMD_DEL_PMKSA
,
11455 .doit
= nl80211_setdel_pmksa
,
11456 .policy
= nl80211_policy
,
11457 .flags
= GENL_UNS_ADMIN_PERM
,
11458 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11459 NL80211_FLAG_NEED_RTNL
,
11462 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
11463 .doit
= nl80211_flush_pmksa
,
11464 .policy
= nl80211_policy
,
11465 .flags
= GENL_UNS_ADMIN_PERM
,
11466 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11467 NL80211_FLAG_NEED_RTNL
,
11470 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
11471 .doit
= nl80211_remain_on_channel
,
11472 .policy
= nl80211_policy
,
11473 .flags
= GENL_UNS_ADMIN_PERM
,
11474 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11475 NL80211_FLAG_NEED_RTNL
,
11478 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11479 .doit
= nl80211_cancel_remain_on_channel
,
11480 .policy
= nl80211_policy
,
11481 .flags
= GENL_UNS_ADMIN_PERM
,
11482 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11483 NL80211_FLAG_NEED_RTNL
,
11486 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
11487 .doit
= nl80211_set_tx_bitrate_mask
,
11488 .policy
= nl80211_policy
,
11489 .flags
= GENL_UNS_ADMIN_PERM
,
11490 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11491 NL80211_FLAG_NEED_RTNL
,
11494 .cmd
= NL80211_CMD_REGISTER_FRAME
,
11495 .doit
= nl80211_register_mgmt
,
11496 .policy
= nl80211_policy
,
11497 .flags
= GENL_UNS_ADMIN_PERM
,
11498 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11499 NL80211_FLAG_NEED_RTNL
,
11502 .cmd
= NL80211_CMD_FRAME
,
11503 .doit
= nl80211_tx_mgmt
,
11504 .policy
= nl80211_policy
,
11505 .flags
= GENL_UNS_ADMIN_PERM
,
11506 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11507 NL80211_FLAG_NEED_RTNL
,
11510 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
11511 .doit
= nl80211_tx_mgmt_cancel_wait
,
11512 .policy
= nl80211_policy
,
11513 .flags
= GENL_UNS_ADMIN_PERM
,
11514 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11515 NL80211_FLAG_NEED_RTNL
,
11518 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
11519 .doit
= nl80211_set_power_save
,
11520 .policy
= nl80211_policy
,
11521 .flags
= GENL_UNS_ADMIN_PERM
,
11522 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11523 NL80211_FLAG_NEED_RTNL
,
11526 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
11527 .doit
= nl80211_get_power_save
,
11528 .policy
= nl80211_policy
,
11529 /* can be retrieved by unprivileged users */
11530 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11531 NL80211_FLAG_NEED_RTNL
,
11534 .cmd
= NL80211_CMD_SET_CQM
,
11535 .doit
= nl80211_set_cqm
,
11536 .policy
= nl80211_policy
,
11537 .flags
= GENL_UNS_ADMIN_PERM
,
11538 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11539 NL80211_FLAG_NEED_RTNL
,
11542 .cmd
= NL80211_CMD_SET_CHANNEL
,
11543 .doit
= nl80211_set_channel
,
11544 .policy
= nl80211_policy
,
11545 .flags
= GENL_UNS_ADMIN_PERM
,
11546 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11547 NL80211_FLAG_NEED_RTNL
,
11550 .cmd
= NL80211_CMD_SET_WDS_PEER
,
11551 .doit
= nl80211_set_wds_peer
,
11552 .policy
= nl80211_policy
,
11553 .flags
= GENL_UNS_ADMIN_PERM
,
11554 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11555 NL80211_FLAG_NEED_RTNL
,
11558 .cmd
= NL80211_CMD_JOIN_MESH
,
11559 .doit
= nl80211_join_mesh
,
11560 .policy
= nl80211_policy
,
11561 .flags
= GENL_UNS_ADMIN_PERM
,
11562 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11563 NL80211_FLAG_NEED_RTNL
,
11566 .cmd
= NL80211_CMD_LEAVE_MESH
,
11567 .doit
= nl80211_leave_mesh
,
11568 .policy
= nl80211_policy
,
11569 .flags
= GENL_UNS_ADMIN_PERM
,
11570 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11571 NL80211_FLAG_NEED_RTNL
,
11574 .cmd
= NL80211_CMD_JOIN_OCB
,
11575 .doit
= nl80211_join_ocb
,
11576 .policy
= nl80211_policy
,
11577 .flags
= GENL_UNS_ADMIN_PERM
,
11578 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11579 NL80211_FLAG_NEED_RTNL
,
11582 .cmd
= NL80211_CMD_LEAVE_OCB
,
11583 .doit
= nl80211_leave_ocb
,
11584 .policy
= nl80211_policy
,
11585 .flags
= GENL_UNS_ADMIN_PERM
,
11586 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11587 NL80211_FLAG_NEED_RTNL
,
11591 .cmd
= NL80211_CMD_GET_WOWLAN
,
11592 .doit
= nl80211_get_wowlan
,
11593 .policy
= nl80211_policy
,
11594 /* can be retrieved by unprivileged users */
11595 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11596 NL80211_FLAG_NEED_RTNL
,
11599 .cmd
= NL80211_CMD_SET_WOWLAN
,
11600 .doit
= nl80211_set_wowlan
,
11601 .policy
= nl80211_policy
,
11602 .flags
= GENL_UNS_ADMIN_PERM
,
11603 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11604 NL80211_FLAG_NEED_RTNL
,
11608 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
11609 .doit
= nl80211_set_rekey_data
,
11610 .policy
= nl80211_policy
,
11611 .flags
= GENL_UNS_ADMIN_PERM
,
11612 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11613 NL80211_FLAG_NEED_RTNL
|
11614 NL80211_FLAG_CLEAR_SKB
,
11617 .cmd
= NL80211_CMD_TDLS_MGMT
,
11618 .doit
= nl80211_tdls_mgmt
,
11619 .policy
= nl80211_policy
,
11620 .flags
= GENL_UNS_ADMIN_PERM
,
11621 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11622 NL80211_FLAG_NEED_RTNL
,
11625 .cmd
= NL80211_CMD_TDLS_OPER
,
11626 .doit
= nl80211_tdls_oper
,
11627 .policy
= nl80211_policy
,
11628 .flags
= GENL_UNS_ADMIN_PERM
,
11629 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11630 NL80211_FLAG_NEED_RTNL
,
11633 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
11634 .doit
= nl80211_register_unexpected_frame
,
11635 .policy
= nl80211_policy
,
11636 .flags
= GENL_UNS_ADMIN_PERM
,
11637 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11638 NL80211_FLAG_NEED_RTNL
,
11641 .cmd
= NL80211_CMD_PROBE_CLIENT
,
11642 .doit
= nl80211_probe_client
,
11643 .policy
= nl80211_policy
,
11644 .flags
= GENL_UNS_ADMIN_PERM
,
11645 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11646 NL80211_FLAG_NEED_RTNL
,
11649 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
11650 .doit
= nl80211_register_beacons
,
11651 .policy
= nl80211_policy
,
11652 .flags
= GENL_UNS_ADMIN_PERM
,
11653 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11654 NL80211_FLAG_NEED_RTNL
,
11657 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
11658 .doit
= nl80211_set_noack_map
,
11659 .policy
= nl80211_policy
,
11660 .flags
= GENL_UNS_ADMIN_PERM
,
11661 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11662 NL80211_FLAG_NEED_RTNL
,
11665 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
11666 .doit
= nl80211_start_p2p_device
,
11667 .policy
= nl80211_policy
,
11668 .flags
= GENL_UNS_ADMIN_PERM
,
11669 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11670 NL80211_FLAG_NEED_RTNL
,
11673 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
11674 .doit
= nl80211_stop_p2p_device
,
11675 .policy
= nl80211_policy
,
11676 .flags
= GENL_UNS_ADMIN_PERM
,
11677 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11678 NL80211_FLAG_NEED_RTNL
,
11681 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
11682 .doit
= nl80211_set_mcast_rate
,
11683 .policy
= nl80211_policy
,
11684 .flags
= GENL_UNS_ADMIN_PERM
,
11685 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11686 NL80211_FLAG_NEED_RTNL
,
11689 .cmd
= NL80211_CMD_SET_MAC_ACL
,
11690 .doit
= nl80211_set_mac_acl
,
11691 .policy
= nl80211_policy
,
11692 .flags
= GENL_UNS_ADMIN_PERM
,
11693 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11694 NL80211_FLAG_NEED_RTNL
,
11697 .cmd
= NL80211_CMD_RADAR_DETECT
,
11698 .doit
= nl80211_start_radar_detection
,
11699 .policy
= nl80211_policy
,
11700 .flags
= GENL_UNS_ADMIN_PERM
,
11701 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11702 NL80211_FLAG_NEED_RTNL
,
11705 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
11706 .doit
= nl80211_get_protocol_features
,
11707 .policy
= nl80211_policy
,
11710 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
11711 .doit
= nl80211_update_ft_ies
,
11712 .policy
= nl80211_policy
,
11713 .flags
= GENL_UNS_ADMIN_PERM
,
11714 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11715 NL80211_FLAG_NEED_RTNL
,
11718 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
11719 .doit
= nl80211_crit_protocol_start
,
11720 .policy
= nl80211_policy
,
11721 .flags
= GENL_UNS_ADMIN_PERM
,
11722 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11723 NL80211_FLAG_NEED_RTNL
,
11726 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
11727 .doit
= nl80211_crit_protocol_stop
,
11728 .policy
= nl80211_policy
,
11729 .flags
= GENL_UNS_ADMIN_PERM
,
11730 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11731 NL80211_FLAG_NEED_RTNL
,
11734 .cmd
= NL80211_CMD_GET_COALESCE
,
11735 .doit
= nl80211_get_coalesce
,
11736 .policy
= nl80211_policy
,
11737 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11738 NL80211_FLAG_NEED_RTNL
,
11741 .cmd
= NL80211_CMD_SET_COALESCE
,
11742 .doit
= nl80211_set_coalesce
,
11743 .policy
= nl80211_policy
,
11744 .flags
= GENL_UNS_ADMIN_PERM
,
11745 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11746 NL80211_FLAG_NEED_RTNL
,
11749 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
11750 .doit
= nl80211_channel_switch
,
11751 .policy
= nl80211_policy
,
11752 .flags
= GENL_UNS_ADMIN_PERM
,
11753 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11754 NL80211_FLAG_NEED_RTNL
,
11757 .cmd
= NL80211_CMD_VENDOR
,
11758 .doit
= nl80211_vendor_cmd
,
11759 .dumpit
= nl80211_vendor_cmd_dump
,
11760 .policy
= nl80211_policy
,
11761 .flags
= GENL_UNS_ADMIN_PERM
,
11762 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11763 NL80211_FLAG_NEED_RTNL
,
11766 .cmd
= NL80211_CMD_SET_QOS_MAP
,
11767 .doit
= nl80211_set_qos_map
,
11768 .policy
= nl80211_policy
,
11769 .flags
= GENL_UNS_ADMIN_PERM
,
11770 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11771 NL80211_FLAG_NEED_RTNL
,
11774 .cmd
= NL80211_CMD_ADD_TX_TS
,
11775 .doit
= nl80211_add_tx_ts
,
11776 .policy
= nl80211_policy
,
11777 .flags
= GENL_UNS_ADMIN_PERM
,
11778 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11779 NL80211_FLAG_NEED_RTNL
,
11782 .cmd
= NL80211_CMD_DEL_TX_TS
,
11783 .doit
= nl80211_del_tx_ts
,
11784 .policy
= nl80211_policy
,
11785 .flags
= GENL_UNS_ADMIN_PERM
,
11786 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11787 NL80211_FLAG_NEED_RTNL
,
11790 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
11791 .doit
= nl80211_tdls_channel_switch
,
11792 .policy
= nl80211_policy
,
11793 .flags
= GENL_UNS_ADMIN_PERM
,
11794 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11795 NL80211_FLAG_NEED_RTNL
,
11798 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
11799 .doit
= nl80211_tdls_cancel_channel_switch
,
11800 .policy
= nl80211_policy
,
11801 .flags
= GENL_UNS_ADMIN_PERM
,
11802 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11803 NL80211_FLAG_NEED_RTNL
,
11807 /* notification functions */
11809 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
11810 enum nl80211_commands cmd
)
11812 struct sk_buff
*msg
;
11813 struct nl80211_dump_wiphy_state state
= {};
11815 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
11816 cmd
!= NL80211_CMD_DEL_WIPHY
);
11818 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11822 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
11827 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11828 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
11831 void nl80211_notify_iface(struct cfg80211_registered_device
*rdev
,
11832 struct wireless_dev
*wdev
,
11833 enum nl80211_commands cmd
)
11835 struct sk_buff
*msg
;
11837 WARN_ON(cmd
!= NL80211_CMD_NEW_INTERFACE
&&
11838 cmd
!= NL80211_CMD_DEL_INTERFACE
);
11840 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11844 if (nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
,
11845 cmd
== NL80211_CMD_DEL_INTERFACE
) < 0) {
11850 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11851 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
11854 static int nl80211_add_scan_req(struct sk_buff
*msg
,
11855 struct cfg80211_registered_device
*rdev
)
11857 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
11858 struct nlattr
*nest
;
11864 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
11866 goto nla_put_failure
;
11867 for (i
= 0; i
< req
->n_ssids
; i
++) {
11868 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
11869 goto nla_put_failure
;
11871 nla_nest_end(msg
, nest
);
11873 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
11875 goto nla_put_failure
;
11876 for (i
= 0; i
< req
->n_channels
; i
++) {
11877 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
11878 goto nla_put_failure
;
11880 nla_nest_end(msg
, nest
);
11883 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
11884 goto nla_put_failure
;
11887 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
11888 goto nla_put_failure
;
11890 if (req
->info
.scan_start_tsf
&&
11891 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
11892 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
11893 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
11894 req
->info
.tsf_bssid
)))
11895 goto nla_put_failure
;
11902 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
11903 struct cfg80211_registered_device
*rdev
,
11904 struct wireless_dev
*wdev
,
11905 u32 portid
, u32 seq
, int flags
,
11910 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11914 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11915 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11916 wdev
->netdev
->ifindex
)) ||
11917 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11919 goto nla_put_failure
;
11921 /* ignore errors and send incomplete event anyway */
11922 nl80211_add_scan_req(msg
, rdev
);
11924 genlmsg_end(msg
, hdr
);
11928 genlmsg_cancel(msg
, hdr
);
11933 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
11934 struct cfg80211_registered_device
*rdev
,
11935 struct net_device
*netdev
,
11936 u32 portid
, u32 seq
, int flags
, u32 cmd
)
11940 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11944 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11945 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11946 goto nla_put_failure
;
11948 genlmsg_end(msg
, hdr
);
11952 genlmsg_cancel(msg
, hdr
);
11956 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
11957 struct wireless_dev
*wdev
)
11959 struct sk_buff
*msg
;
11961 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11965 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11966 NL80211_CMD_TRIGGER_SCAN
) < 0) {
11971 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11972 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11975 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
11976 struct wireless_dev
*wdev
, bool aborted
)
11978 struct sk_buff
*msg
;
11980 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11984 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11985 aborted
? NL80211_CMD_SCAN_ABORTED
:
11986 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
11994 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
11995 struct sk_buff
*msg
)
12000 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12001 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
12004 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
12005 struct net_device
*netdev
)
12007 struct sk_buff
*msg
;
12009 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12013 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
12014 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
12019 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12020 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
12023 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
12024 struct net_device
*netdev
, u32 cmd
)
12026 struct sk_buff
*msg
;
12028 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12032 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
12037 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12038 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
12041 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
12042 struct regulatory_request
*request
)
12044 /* Userspace can always count this one always being set */
12045 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
12046 goto nla_put_failure
;
12048 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
12049 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12050 NL80211_REGDOM_TYPE_WORLD
))
12051 goto nla_put_failure
;
12052 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
12053 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12054 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
12055 goto nla_put_failure
;
12056 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
12057 request
->intersect
) {
12058 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12059 NL80211_REGDOM_TYPE_INTERSECTION
))
12060 goto nla_put_failure
;
12062 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12063 NL80211_REGDOM_TYPE_COUNTRY
) ||
12064 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
12066 goto nla_put_failure
;
12069 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
12070 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
12073 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
12074 goto nla_put_failure
;
12077 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
12078 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
12079 goto nla_put_failure
;
12089 * This can happen on global regulatory changes or device specific settings
12090 * based on custom regulatory domains.
12092 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
12093 struct regulatory_request
*request
)
12095 struct sk_buff
*msg
;
12098 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12102 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
12108 if (nl80211_reg_change_event_fill(msg
, request
) == false)
12109 goto nla_put_failure
;
12111 genlmsg_end(msg
, hdr
);
12114 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
12115 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
12121 genlmsg_cancel(msg
, hdr
);
12125 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
12126 struct net_device
*netdev
,
12127 const u8
*buf
, size_t len
,
12128 enum nl80211_commands cmd
, gfp_t gfp
,
12131 struct sk_buff
*msg
;
12134 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12138 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12144 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12145 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12146 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
12147 goto nla_put_failure
;
12149 if (uapsd_queues
>= 0) {
12150 struct nlattr
*nla_wmm
=
12151 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
12153 goto nla_put_failure
;
12155 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
12157 goto nla_put_failure
;
12159 nla_nest_end(msg
, nla_wmm
);
12162 genlmsg_end(msg
, hdr
);
12164 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12165 NL80211_MCGRP_MLME
, gfp
);
12169 genlmsg_cancel(msg
, hdr
);
12173 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
12174 struct net_device
*netdev
, const u8
*buf
,
12175 size_t len
, gfp_t gfp
)
12177 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12178 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
12181 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
12182 struct net_device
*netdev
, const u8
*buf
,
12183 size_t len
, gfp_t gfp
, int uapsd_queues
)
12185 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12186 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
12189 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
12190 struct net_device
*netdev
, const u8
*buf
,
12191 size_t len
, gfp_t gfp
)
12193 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12194 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
12197 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
12198 struct net_device
*netdev
, const u8
*buf
,
12199 size_t len
, gfp_t gfp
)
12201 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
12202 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
12205 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
12208 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12209 struct wiphy
*wiphy
= wdev
->wiphy
;
12210 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12211 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
12214 if (WARN_ON(len
< 2))
12217 if (ieee80211_is_deauth(mgmt
->frame_control
))
12218 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
12220 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
12222 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
12223 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
12225 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
12227 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
12228 struct net_device
*netdev
, int cmd
,
12229 const u8
*addr
, gfp_t gfp
)
12231 struct sk_buff
*msg
;
12234 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12238 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12244 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12245 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12246 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
12247 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
12248 goto nla_put_failure
;
12250 genlmsg_end(msg
, hdr
);
12252 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12253 NL80211_MCGRP_MLME
, gfp
);
12257 genlmsg_cancel(msg
, hdr
);
12261 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
12262 struct net_device
*netdev
, const u8
*addr
,
12265 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
12269 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
12270 struct net_device
*netdev
, const u8
*addr
,
12273 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
12277 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
12278 struct net_device
*netdev
, const u8
*bssid
,
12279 const u8
*req_ie
, size_t req_ie_len
,
12280 const u8
*resp_ie
, size_t resp_ie_len
,
12281 int status
, gfp_t gfp
)
12283 struct sk_buff
*msg
;
12286 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12290 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
12296 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12297 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12298 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
12299 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
12300 status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
12302 (status
< 0 && nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
)) ||
12304 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
12306 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
12307 goto nla_put_failure
;
12309 genlmsg_end(msg
, hdr
);
12311 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12312 NL80211_MCGRP_MLME
, gfp
);
12316 genlmsg_cancel(msg
, hdr
);
12320 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
12321 struct net_device
*netdev
, const u8
*bssid
,
12322 const u8
*req_ie
, size_t req_ie_len
,
12323 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
12325 struct sk_buff
*msg
;
12328 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12332 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
12338 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12339 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12340 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
12342 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
12344 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
12345 goto nla_put_failure
;
12347 genlmsg_end(msg
, hdr
);
12349 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12350 NL80211_MCGRP_MLME
, gfp
);
12354 genlmsg_cancel(msg
, hdr
);
12358 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
12359 struct net_device
*netdev
, u16 reason
,
12360 const u8
*ie
, size_t ie_len
, bool from_ap
)
12362 struct sk_buff
*msg
;
12365 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12369 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
12375 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12376 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12377 (from_ap
&& reason
&&
12378 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
12380 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
12381 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
12382 goto nla_put_failure
;
12384 genlmsg_end(msg
, hdr
);
12386 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12387 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12391 genlmsg_cancel(msg
, hdr
);
12395 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
12396 struct net_device
*netdev
, const u8
*bssid
,
12399 struct sk_buff
*msg
;
12402 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12406 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
12412 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12413 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12414 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12415 goto nla_put_failure
;
12417 genlmsg_end(msg
, hdr
);
12419 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12420 NL80211_MCGRP_MLME
, gfp
);
12424 genlmsg_cancel(msg
, hdr
);
12428 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
12429 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
12431 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12432 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12433 struct sk_buff
*msg
;
12436 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
12439 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
12441 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12445 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
12451 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12452 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12453 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12455 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
12456 goto nla_put_failure
;
12458 genlmsg_end(msg
, hdr
);
12460 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12461 NL80211_MCGRP_MLME
, gfp
);
12465 genlmsg_cancel(msg
, hdr
);
12468 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
12470 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
12471 struct net_device
*netdev
, const u8
*addr
,
12472 enum nl80211_key_type key_type
, int key_id
,
12473 const u8
*tsc
, gfp_t gfp
)
12475 struct sk_buff
*msg
;
12478 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12482 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
12488 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12489 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12490 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
12491 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
12493 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
12494 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
12495 goto nla_put_failure
;
12497 genlmsg_end(msg
, hdr
);
12499 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12500 NL80211_MCGRP_MLME
, gfp
);
12504 genlmsg_cancel(msg
, hdr
);
12508 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
12509 struct ieee80211_channel
*channel_before
,
12510 struct ieee80211_channel
*channel_after
)
12512 struct sk_buff
*msg
;
12514 struct nlattr
*nl_freq
;
12516 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
12520 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
12527 * Since we are applying the beacon hint to a wiphy we know its
12528 * wiphy_idx is valid
12530 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
12531 goto nla_put_failure
;
12534 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
12536 goto nla_put_failure
;
12537 if (nl80211_msg_put_channel(msg
, channel_before
, false))
12538 goto nla_put_failure
;
12539 nla_nest_end(msg
, nl_freq
);
12542 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
12544 goto nla_put_failure
;
12545 if (nl80211_msg_put_channel(msg
, channel_after
, false))
12546 goto nla_put_failure
;
12547 nla_nest_end(msg
, nl_freq
);
12549 genlmsg_end(msg
, hdr
);
12552 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
12553 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
12559 genlmsg_cancel(msg
, hdr
);
12563 static void nl80211_send_remain_on_chan_event(
12564 int cmd
, struct cfg80211_registered_device
*rdev
,
12565 struct wireless_dev
*wdev
, u64 cookie
,
12566 struct ieee80211_channel
*chan
,
12567 unsigned int duration
, gfp_t gfp
)
12569 struct sk_buff
*msg
;
12572 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12576 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12582 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12583 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12584 wdev
->netdev
->ifindex
)) ||
12585 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12586 NL80211_ATTR_PAD
) ||
12587 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
12588 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
12589 NL80211_CHAN_NO_HT
) ||
12590 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
12592 goto nla_put_failure
;
12594 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
12595 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
12596 goto nla_put_failure
;
12598 genlmsg_end(msg
, hdr
);
12600 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12601 NL80211_MCGRP_MLME
, gfp
);
12605 genlmsg_cancel(msg
, hdr
);
12609 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
12610 struct ieee80211_channel
*chan
,
12611 unsigned int duration
, gfp_t gfp
)
12613 struct wiphy
*wiphy
= wdev
->wiphy
;
12614 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12616 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
12617 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
12618 rdev
, wdev
, cookie
, chan
,
12621 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
12623 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
12624 struct ieee80211_channel
*chan
,
12627 struct wiphy
*wiphy
= wdev
->wiphy
;
12628 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12630 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
12631 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12632 rdev
, wdev
, cookie
, chan
, 0, gfp
);
12634 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
12636 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
12637 struct station_info
*sinfo
, gfp_t gfp
)
12639 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12640 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12641 struct sk_buff
*msg
;
12643 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
12645 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12649 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
12650 rdev
, dev
, mac_addr
, sinfo
) < 0) {
12655 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12656 NL80211_MCGRP_MLME
, gfp
);
12658 EXPORT_SYMBOL(cfg80211_new_sta
);
12660 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
12661 struct station_info
*sinfo
, gfp_t gfp
)
12663 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12664 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12665 struct sk_buff
*msg
;
12666 struct station_info empty_sinfo
= {};
12669 sinfo
= &empty_sinfo
;
12671 trace_cfg80211_del_sta(dev
, mac_addr
);
12673 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12677 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
12678 rdev
, dev
, mac_addr
, sinfo
) < 0) {
12683 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12684 NL80211_MCGRP_MLME
, gfp
);
12686 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
12688 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
12689 enum nl80211_connect_failed_reason reason
,
12692 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12693 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12694 struct sk_buff
*msg
;
12697 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
12701 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
12707 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12708 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
12709 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
12710 goto nla_put_failure
;
12712 genlmsg_end(msg
, hdr
);
12714 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12715 NL80211_MCGRP_MLME
, gfp
);
12719 genlmsg_cancel(msg
, hdr
);
12722 EXPORT_SYMBOL(cfg80211_conn_failed
);
12724 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
12725 const u8
*addr
, gfp_t gfp
)
12727 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12728 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12729 struct sk_buff
*msg
;
12731 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
12736 msg
= nlmsg_new(100, gfp
);
12740 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12746 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12747 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12748 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
12749 goto nla_put_failure
;
12751 genlmsg_end(msg
, hdr
);
12752 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12756 genlmsg_cancel(msg
, hdr
);
12761 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
12762 const u8
*addr
, gfp_t gfp
)
12764 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12767 trace_cfg80211_rx_spurious_frame(dev
, addr
);
12769 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12770 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
12771 trace_cfg80211_return_bool(false);
12774 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
12776 trace_cfg80211_return_bool(ret
);
12779 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
12781 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
12782 const u8
*addr
, gfp_t gfp
)
12784 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12787 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
12789 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12790 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
12791 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
12792 trace_cfg80211_return_bool(false);
12795 ret
= __nl80211_unexpected_frame(dev
,
12796 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
12798 trace_cfg80211_return_bool(ret
);
12801 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
12803 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
12804 struct wireless_dev
*wdev
, u32 nlportid
,
12805 int freq
, int sig_dbm
,
12806 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
12808 struct net_device
*netdev
= wdev
->netdev
;
12809 struct sk_buff
*msg
;
12812 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12816 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12822 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12823 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12824 netdev
->ifindex
)) ||
12825 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12826 NL80211_ATTR_PAD
) ||
12827 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
12829 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12830 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12832 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
12833 goto nla_put_failure
;
12835 genlmsg_end(msg
, hdr
);
12837 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12840 genlmsg_cancel(msg
, hdr
);
12845 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
12846 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
12848 struct wiphy
*wiphy
= wdev
->wiphy
;
12849 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12850 struct net_device
*netdev
= wdev
->netdev
;
12851 struct sk_buff
*msg
;
12854 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
12856 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12860 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
12866 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12867 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12868 netdev
->ifindex
)) ||
12869 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12870 NL80211_ATTR_PAD
) ||
12871 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12872 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
12873 NL80211_ATTR_PAD
) ||
12874 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12875 goto nla_put_failure
;
12877 genlmsg_end(msg
, hdr
);
12879 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12880 NL80211_MCGRP_MLME
, gfp
);
12884 genlmsg_cancel(msg
, hdr
);
12887 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
12889 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
12890 const char *mac
, gfp_t gfp
)
12892 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12893 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12894 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12900 cb
= (void **)msg
->cb
;
12902 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
12908 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12909 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
12910 goto nla_put_failure
;
12912 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
12913 goto nla_put_failure
;
12915 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
12917 goto nla_put_failure
;
12927 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
12929 void **cb
= (void **)msg
->cb
;
12930 struct cfg80211_registered_device
*rdev
= cb
[2];
12932 nla_nest_end(msg
, cb
[1]);
12933 genlmsg_end(msg
, cb
[0]);
12935 memset(msg
->cb
, 0, sizeof(msg
->cb
));
12937 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12938 NL80211_MCGRP_MLME
, gfp
);
12941 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
12942 enum nl80211_cqm_rssi_threshold_event rssi_event
,
12945 struct sk_buff
*msg
;
12947 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
12949 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
12950 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
12953 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12957 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
12959 goto nla_put_failure
;
12961 cfg80211_send_cqm(msg
, gfp
);
12968 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
12970 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
12971 const u8
*peer
, u32 num_packets
,
12972 u32 rate
, u32 intvl
, gfp_t gfp
)
12974 struct sk_buff
*msg
;
12976 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12980 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12981 goto nla_put_failure
;
12983 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12984 goto nla_put_failure
;
12986 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12987 goto nla_put_failure
;
12989 cfg80211_send_cqm(msg
, gfp
);
12995 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12997 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12998 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
13000 struct sk_buff
*msg
;
13002 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
13004 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
13008 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
13009 goto nla_put_failure
;
13011 cfg80211_send_cqm(msg
, gfp
);
13017 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
13019 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
13021 struct sk_buff
*msg
;
13023 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
13027 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
13028 goto nla_put_failure
;
13030 cfg80211_send_cqm(msg
, gfp
);
13036 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
13038 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
13039 struct net_device
*netdev
, const u8
*bssid
,
13040 const u8
*replay_ctr
, gfp_t gfp
)
13042 struct sk_buff
*msg
;
13043 struct nlattr
*rekey_attr
;
13046 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13050 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
13056 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13057 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13058 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13059 goto nla_put_failure
;
13061 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
13063 goto nla_put_failure
;
13065 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
13066 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
13067 goto nla_put_failure
;
13069 nla_nest_end(msg
, rekey_attr
);
13071 genlmsg_end(msg
, hdr
);
13073 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13074 NL80211_MCGRP_MLME
, gfp
);
13078 genlmsg_cancel(msg
, hdr
);
13082 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
13083 const u8
*replay_ctr
, gfp_t gfp
)
13085 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13086 struct wiphy
*wiphy
= wdev
->wiphy
;
13087 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13089 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
13090 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
13092 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
13095 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
13096 struct net_device
*netdev
, int index
,
13097 const u8
*bssid
, bool preauth
, gfp_t gfp
)
13099 struct sk_buff
*msg
;
13100 struct nlattr
*attr
;
13103 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13107 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
13113 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13114 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
13115 goto nla_put_failure
;
13117 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
13119 goto nla_put_failure
;
13121 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
13122 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
13124 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
13125 goto nla_put_failure
;
13127 nla_nest_end(msg
, attr
);
13129 genlmsg_end(msg
, hdr
);
13131 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13132 NL80211_MCGRP_MLME
, gfp
);
13136 genlmsg_cancel(msg
, hdr
);
13140 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
13141 const u8
*bssid
, bool preauth
, gfp_t gfp
)
13143 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13144 struct wiphy
*wiphy
= wdev
->wiphy
;
13145 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13147 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
13148 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
13150 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
13152 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
13153 struct net_device
*netdev
,
13154 struct cfg80211_chan_def
*chandef
,
13156 enum nl80211_commands notif
,
13159 struct sk_buff
*msg
;
13162 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13166 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
13172 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
13173 goto nla_put_failure
;
13175 if (nl80211_send_chandef(msg
, chandef
))
13176 goto nla_put_failure
;
13178 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
13179 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
13180 goto nla_put_failure
;
13182 genlmsg_end(msg
, hdr
);
13184 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13185 NL80211_MCGRP_MLME
, gfp
);
13189 genlmsg_cancel(msg
, hdr
);
13193 void cfg80211_ch_switch_notify(struct net_device
*dev
,
13194 struct cfg80211_chan_def
*chandef
)
13196 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13197 struct wiphy
*wiphy
= wdev
->wiphy
;
13198 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13200 ASSERT_WDEV_LOCK(wdev
);
13202 trace_cfg80211_ch_switch_notify(dev
, chandef
);
13204 wdev
->chandef
= *chandef
;
13205 wdev
->preset_chandef
= *chandef
;
13206 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
13207 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
13209 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
13211 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
13212 struct cfg80211_chan_def
*chandef
,
13215 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13216 struct wiphy
*wiphy
= wdev
->wiphy
;
13217 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13219 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
13221 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
13222 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
13224 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
13227 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
13228 const struct cfg80211_chan_def
*chandef
,
13229 enum nl80211_radar_event event
,
13230 struct net_device
*netdev
, gfp_t gfp
)
13232 struct sk_buff
*msg
;
13235 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13239 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
13245 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
13246 goto nla_put_failure
;
13248 /* NOP and radar events don't need a netdev parameter */
13250 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
13252 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13253 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13255 goto nla_put_failure
;
13258 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
13259 goto nla_put_failure
;
13261 if (nl80211_send_chandef(msg
, chandef
))
13262 goto nla_put_failure
;
13264 genlmsg_end(msg
, hdr
);
13266 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13267 NL80211_MCGRP_MLME
, gfp
);
13271 genlmsg_cancel(msg
, hdr
);
13275 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
13276 u64 cookie
, bool acked
, gfp_t gfp
)
13278 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13279 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13280 struct sk_buff
*msg
;
13283 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
13285 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13290 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
13296 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13297 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13298 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
13299 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
13300 NL80211_ATTR_PAD
) ||
13301 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
13302 goto nla_put_failure
;
13304 genlmsg_end(msg
, hdr
);
13306 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13307 NL80211_MCGRP_MLME
, gfp
);
13311 genlmsg_cancel(msg
, hdr
);
13314 EXPORT_SYMBOL(cfg80211_probe_status
);
13316 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
13317 const u8
*frame
, size_t len
,
13318 int freq
, int sig_dbm
)
13320 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13321 struct sk_buff
*msg
;
13323 struct cfg80211_beacon_registration
*reg
;
13325 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
13327 spin_lock_bh(&rdev
->beacon_registrations_lock
);
13328 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
13329 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
13331 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13335 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
13337 goto nla_put_failure
;
13339 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13341 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
13343 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
13344 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
13345 goto nla_put_failure
;
13347 genlmsg_end(msg
, hdr
);
13349 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
13351 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13355 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13357 genlmsg_cancel(msg
, hdr
);
13360 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
13363 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
13364 struct cfg80211_wowlan_wakeup
*wakeup
)
13366 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
13367 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
13370 nl_results
= nla_nest_start(
13371 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
13375 for (i
= 0; i
< nd
->n_matches
; i
++) {
13376 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
13378 nl_match
= nla_nest_start(msg
, i
);
13382 /* The SSID attribute is optional in nl80211, but for
13383 * simplicity reasons it's always present in the
13384 * cfg80211 structure. If a driver can't pass the
13385 * SSID, that needs to be changed. A zero length SSID
13386 * is still a valid SSID (wildcard), so it cannot be
13387 * used for this purpose.
13389 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
13390 match
->ssid
.ssid
)) {
13391 nla_nest_cancel(msg
, nl_match
);
13395 if (match
->n_channels
) {
13396 nl_freqs
= nla_nest_start(
13397 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13399 nla_nest_cancel(msg
, nl_match
);
13403 for (j
= 0; j
< match
->n_channels
; j
++) {
13404 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
13405 nla_nest_cancel(msg
, nl_freqs
);
13406 nla_nest_cancel(msg
, nl_match
);
13411 nla_nest_end(msg
, nl_freqs
);
13414 nla_nest_end(msg
, nl_match
);
13418 nla_nest_end(msg
, nl_results
);
13422 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
13423 struct cfg80211_wowlan_wakeup
*wakeup
,
13426 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13427 struct sk_buff
*msg
;
13431 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
13434 size
+= wakeup
->packet_present_len
;
13436 msg
= nlmsg_new(size
, gfp
);
13440 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
13444 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13445 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13449 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13450 wdev
->netdev
->ifindex
))
13454 struct nlattr
*reasons
;
13456 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
13460 if (wakeup
->disconnect
&&
13461 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
13463 if (wakeup
->magic_pkt
&&
13464 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
13466 if (wakeup
->gtk_rekey_failure
&&
13467 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
13469 if (wakeup
->eap_identity_req
&&
13470 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
13472 if (wakeup
->four_way_handshake
&&
13473 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
13475 if (wakeup
->rfkill_release
&&
13476 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
13479 if (wakeup
->pattern_idx
>= 0 &&
13480 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
13481 wakeup
->pattern_idx
))
13484 if (wakeup
->tcp_match
&&
13485 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
13488 if (wakeup
->tcp_connlost
&&
13489 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
13492 if (wakeup
->tcp_nomoretokens
&&
13494 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
13497 if (wakeup
->packet
) {
13498 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
13499 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
13501 if (!wakeup
->packet_80211
) {
13503 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
13505 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
13508 if (wakeup
->packet_len
&&
13509 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
13512 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
13517 if (wakeup
->net_detect
&&
13518 cfg80211_net_detect_results(msg
, wakeup
))
13521 nla_nest_end(msg
, reasons
);
13524 genlmsg_end(msg
, hdr
);
13526 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13527 NL80211_MCGRP_MLME
, gfp
);
13533 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
13536 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
13537 enum nl80211_tdls_operation oper
,
13538 u16 reason_code
, gfp_t gfp
)
13540 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13541 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13542 struct sk_buff
*msg
;
13545 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
13548 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13552 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
13558 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13559 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13560 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
13561 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
13562 (reason_code
> 0 &&
13563 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
13564 goto nla_put_failure
;
13566 genlmsg_end(msg
, hdr
);
13568 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13569 NL80211_MCGRP_MLME
, gfp
);
13573 genlmsg_cancel(msg
, hdr
);
13576 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
13578 static int nl80211_netlink_notify(struct notifier_block
* nb
,
13579 unsigned long state
,
13582 struct netlink_notify
*notify
= _notify
;
13583 struct cfg80211_registered_device
*rdev
;
13584 struct wireless_dev
*wdev
;
13585 struct cfg80211_beacon_registration
*reg
, *tmp
;
13587 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
13588 return NOTIFY_DONE
;
13592 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
13593 bool schedule_destroy_work
= false;
13594 bool schedule_scan_stop
= false;
13595 struct cfg80211_sched_scan_request
*sched_scan_req
=
13596 rcu_dereference(rdev
->sched_scan_req
);
13598 if (sched_scan_req
&& notify
->portid
&&
13599 sched_scan_req
->owner_nlportid
== notify
->portid
)
13600 schedule_scan_stop
= true;
13602 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
13603 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
13605 if (wdev
->owner_nlportid
== notify
->portid
)
13606 schedule_destroy_work
= true;
13609 spin_lock_bh(&rdev
->beacon_registrations_lock
);
13610 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
13612 if (reg
->nlportid
== notify
->portid
) {
13613 list_del(®
->list
);
13618 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13620 if (schedule_destroy_work
) {
13621 struct cfg80211_iface_destroy
*destroy
;
13623 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
13625 destroy
->nlportid
= notify
->portid
;
13626 spin_lock(&rdev
->destroy_list_lock
);
13627 list_add(&destroy
->list
, &rdev
->destroy_list
);
13628 spin_unlock(&rdev
->destroy_list_lock
);
13629 schedule_work(&rdev
->destroy_work
);
13631 } else if (schedule_scan_stop
) {
13632 sched_scan_req
->owner_nlportid
= 0;
13634 if (rdev
->ops
->sched_scan_stop
&&
13635 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
13636 schedule_work(&rdev
->sched_scan_stop_wk
);
13643 * It is possible that the user space process that is controlling the
13644 * indoor setting disappeared, so notify the regulatory core.
13646 regulatory_netlink_notify(notify
->portid
);
13650 static struct notifier_block nl80211_netlink_notifier
= {
13651 .notifier_call
= nl80211_netlink_notify
,
13654 void cfg80211_ft_event(struct net_device
*netdev
,
13655 struct cfg80211_ft_event_params
*ft_event
)
13657 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
13658 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13659 struct sk_buff
*msg
;
13662 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
13664 if (!ft_event
->target_ap
)
13667 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13671 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
13675 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13676 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13677 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
13680 if (ft_event
->ies
&&
13681 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
13683 if (ft_event
->ric_ies
&&
13684 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
13685 ft_event
->ric_ies
))
13688 genlmsg_end(msg
, hdr
);
13690 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13691 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13696 EXPORT_SYMBOL(cfg80211_ft_event
);
13698 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
13700 struct cfg80211_registered_device
*rdev
;
13701 struct sk_buff
*msg
;
13705 rdev
= wiphy_to_rdev(wdev
->wiphy
);
13706 if (!rdev
->crit_proto_nlportid
)
13709 nlportid
= rdev
->crit_proto_nlportid
;
13710 rdev
->crit_proto_nlportid
= 0;
13712 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13716 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
13718 goto nla_put_failure
;
13720 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13721 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13723 goto nla_put_failure
;
13725 genlmsg_end(msg
, hdr
);
13727 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
13732 genlmsg_cancel(msg
, hdr
);
13735 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
13737 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
13739 struct wiphy
*wiphy
= wdev
->wiphy
;
13740 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13741 struct sk_buff
*msg
;
13744 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13748 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
13752 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13753 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
13754 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13758 genlmsg_end(msg
, hdr
);
13760 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
13761 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13767 /* initialisation/exit functions */
13769 int nl80211_init(void)
13773 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
13778 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
13784 genl_unregister_family(&nl80211_fam
);
13788 void nl80211_exit(void)
13790 netlink_unregister_notifier(&nl80211_netlink_notifier
);
13791 genl_unregister_family(&nl80211_fam
);