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 2015-2017 Intel Deutschland GmbH
7 * Copyright (C) 2018-2019 Intel Corporation
11 #include <linux/module.h>
12 #include <linux/err.h>
13 #include <linux/slab.h>
14 #include <linux/list.h>
15 #include <linux/if_ether.h>
16 #include <linux/ieee80211.h>
17 #include <linux/nl80211.h>
18 #include <linux/rtnetlink.h>
19 #include <linux/netlink.h>
20 #include <linux/nospec.h>
21 #include <linux/etherdevice.h>
22 #include <net/net_namespace.h>
23 #include <net/genetlink.h>
24 #include <net/cfg80211.h>
26 #include <net/inet_connection_sock.h>
32 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
33 struct genl_info
*info
,
34 struct cfg80211_crypto_settings
*settings
,
37 /* the netlink family */
38 static struct genl_family nl80211_fam
;
40 /* multicast groups */
41 enum nl80211_multicast_groups
{
44 NL80211_MCGRP_REGULATORY
,
48 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
51 static const struct genl_multicast_group nl80211_mcgrps
[] = {
52 [NL80211_MCGRP_CONFIG
] = { .name
= NL80211_MULTICAST_GROUP_CONFIG
},
53 [NL80211_MCGRP_SCAN
] = { .name
= NL80211_MULTICAST_GROUP_SCAN
},
54 [NL80211_MCGRP_REGULATORY
] = { .name
= NL80211_MULTICAST_GROUP_REG
},
55 [NL80211_MCGRP_MLME
] = { .name
= NL80211_MULTICAST_GROUP_MLME
},
56 [NL80211_MCGRP_VENDOR
] = { .name
= NL80211_MULTICAST_GROUP_VENDOR
},
57 [NL80211_MCGRP_NAN
] = { .name
= NL80211_MULTICAST_GROUP_NAN
},
58 #ifdef CONFIG_NL80211_TESTMODE
59 [NL80211_MCGRP_TESTMODE
] = { .name
= NL80211_MULTICAST_GROUP_TESTMODE
}
63 /* returns ERR_PTR values */
64 static struct wireless_dev
*
65 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
67 struct cfg80211_registered_device
*rdev
;
68 struct wireless_dev
*result
= NULL
;
69 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
70 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
77 if (!have_ifidx
&& !have_wdev_id
)
78 return ERR_PTR(-EINVAL
);
81 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
83 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
84 wiphy_idx
= wdev_id
>> 32;
87 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
88 struct wireless_dev
*wdev
;
90 if (wiphy_net(&rdev
->wiphy
) != netns
)
93 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
96 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
97 if (have_ifidx
&& wdev
->netdev
&&
98 wdev
->netdev
->ifindex
== ifidx
) {
102 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
114 return ERR_PTR(-ENODEV
);
117 static struct cfg80211_registered_device
*
118 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
120 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
121 struct net_device
*netdev
;
125 if (!attrs
[NL80211_ATTR_WIPHY
] &&
126 !attrs
[NL80211_ATTR_IFINDEX
] &&
127 !attrs
[NL80211_ATTR_WDEV
])
128 return ERR_PTR(-EINVAL
);
130 if (attrs
[NL80211_ATTR_WIPHY
])
131 rdev
= cfg80211_rdev_by_wiphy_idx(
132 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
134 if (attrs
[NL80211_ATTR_WDEV
]) {
135 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
136 struct wireless_dev
*wdev
;
139 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
141 /* make sure wdev exists */
142 list_for_each_entry(wdev
, &tmp
->wiphy
.wdev_list
, list
) {
143 if (wdev
->identifier
!= (u32
)wdev_id
)
152 if (rdev
&& tmp
!= rdev
)
153 return ERR_PTR(-EINVAL
);
158 if (attrs
[NL80211_ATTR_IFINDEX
]) {
159 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
161 netdev
= __dev_get_by_index(netns
, ifindex
);
163 if (netdev
->ieee80211_ptr
)
165 netdev
->ieee80211_ptr
->wiphy
);
169 /* not wireless device -- return error */
171 return ERR_PTR(-EINVAL
);
173 /* mismatch -- return error */
174 if (rdev
&& tmp
!= rdev
)
175 return ERR_PTR(-EINVAL
);
182 return ERR_PTR(-ENODEV
);
184 if (netns
!= wiphy_net(&rdev
->wiphy
))
185 return ERR_PTR(-ENODEV
);
191 * This function returns a pointer to the driver
192 * that the genl_info item that is passed refers to.
194 * The result of this can be a PTR_ERR and hence must
195 * be checked with IS_ERR() for errors.
197 static struct cfg80211_registered_device
*
198 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
200 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
203 static int validate_ie_attr(const struct nlattr
*attr
,
204 struct netlink_ext_ack
*extack
)
206 const u8
*data
= nla_data(attr
);
207 unsigned int len
= nla_len(attr
);
208 const struct element
*elem
;
210 for_each_element(elem
, data
, len
) {
214 if (for_each_element_completed(elem
, data
, len
))
217 NL_SET_ERR_MSG_ATTR(extack
, attr
, "malformed information elements");
221 /* policy for the attributes */
222 static const struct nla_policy
223 nl80211_ftm_responder_policy
[NL80211_FTM_RESP_ATTR_MAX
+ 1] = {
224 [NL80211_FTM_RESP_ATTR_ENABLED
] = { .type
= NLA_FLAG
, },
225 [NL80211_FTM_RESP_ATTR_LCI
] = { .type
= NLA_BINARY
,
227 [NL80211_FTM_RESP_ATTR_CIVICLOC
] = { .type
= NLA_BINARY
,
231 static const struct nla_policy
232 nl80211_pmsr_ftm_req_attr_policy
[NL80211_PMSR_FTM_REQ_ATTR_MAX
+ 1] = {
233 [NL80211_PMSR_FTM_REQ_ATTR_ASAP
] = { .type
= NLA_FLAG
},
234 [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE
] = { .type
= NLA_U32
},
235 [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP
] =
236 NLA_POLICY_MAX(NLA_U8
, 15),
237 [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD
] = { .type
= NLA_U16
},
238 [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION
] =
239 NLA_POLICY_MAX(NLA_U8
, 15),
240 [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST
] =
241 NLA_POLICY_MAX(NLA_U8
, 31),
242 [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES
] = { .type
= NLA_U8
},
243 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI
] = { .type
= NLA_FLAG
},
244 [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC
] = { .type
= NLA_FLAG
},
247 static const struct nla_policy
248 nl80211_pmsr_req_data_policy
[NL80211_PMSR_TYPE_MAX
+ 1] = {
249 [NL80211_PMSR_TYPE_FTM
] =
250 NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy
),
253 static const struct nla_policy
254 nl80211_pmsr_req_attr_policy
[NL80211_PMSR_REQ_ATTR_MAX
+ 1] = {
255 [NL80211_PMSR_REQ_ATTR_DATA
] =
256 NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy
),
257 [NL80211_PMSR_REQ_ATTR_GET_AP_TSF
] = { .type
= NLA_FLAG
},
260 static const struct nla_policy
261 nl80211_psmr_peer_attr_policy
[NL80211_PMSR_PEER_ATTR_MAX
+ 1] = {
262 [NL80211_PMSR_PEER_ATTR_ADDR
] = NLA_POLICY_ETH_ADDR
,
264 * we could specify this again to be the top-level policy,
265 * but that would open us up to recursion problems ...
267 [NL80211_PMSR_PEER_ATTR_CHAN
] = { .type
= NLA_NESTED
},
268 [NL80211_PMSR_PEER_ATTR_REQ
] =
269 NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy
),
270 [NL80211_PMSR_PEER_ATTR_RESP
] = { .type
= NLA_REJECT
},
273 static const struct nla_policy
274 nl80211_pmsr_attr_policy
[NL80211_PMSR_ATTR_MAX
+ 1] = {
275 [NL80211_PMSR_ATTR_MAX_PEERS
] = { .type
= NLA_REJECT
},
276 [NL80211_PMSR_ATTR_REPORT_AP_TSF
] = { .type
= NLA_REJECT
},
277 [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR
] = { .type
= NLA_REJECT
},
278 [NL80211_PMSR_ATTR_TYPE_CAPA
] = { .type
= NLA_REJECT
},
279 [NL80211_PMSR_ATTR_PEERS
] =
280 NLA_POLICY_NESTED_ARRAY(nl80211_psmr_peer_attr_policy
),
283 const struct nla_policy nl80211_policy
[NUM_NL80211_ATTR
] = {
284 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
285 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
287 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
289 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
290 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
291 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
292 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
293 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
295 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = NLA_POLICY_MIN(NLA_U8
, 1),
296 [NL80211_ATTR_WIPHY_RETRY_LONG
] = NLA_POLICY_MIN(NLA_U8
, 1),
297 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
298 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
299 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
300 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
302 [NL80211_ATTR_IFTYPE
] = NLA_POLICY_MAX(NLA_U32
, NL80211_IFTYPE_MAX
),
303 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
304 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
306 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
307 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
309 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
310 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
311 .len
= WLAN_MAX_KEY_LEN
},
312 [NL80211_ATTR_KEY_IDX
] = NLA_POLICY_MAX(NLA_U8
, 5),
313 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
314 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
315 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
316 [NL80211_ATTR_KEY_TYPE
] =
317 NLA_POLICY_MAX(NLA_U32
, NUM_NL80211_KEYTYPES
),
319 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
321 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
322 .len
= IEEE80211_MAX_DATA_LEN
},
323 [NL80211_ATTR_BEACON_TAIL
] =
324 NLA_POLICY_VALIDATE_FN(NLA_BINARY
, validate_ie_attr
,
325 IEEE80211_MAX_DATA_LEN
),
326 [NL80211_ATTR_STA_AID
] =
327 NLA_POLICY_RANGE(NLA_U16
, 1, IEEE80211_MAX_AID
),
328 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
329 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
330 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
331 .len
= NL80211_MAX_SUPP_RATES
},
332 [NL80211_ATTR_STA_PLINK_ACTION
] =
333 NLA_POLICY_MAX(NLA_U8
, NUM_NL80211_PLINK_ACTIONS
- 1),
334 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
335 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
336 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
337 .len
= IEEE80211_MAX_MESH_ID_LEN
},
338 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
340 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
341 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
343 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
344 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
345 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
346 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
347 .len
= NL80211_MAX_SUPP_RATES
},
348 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
350 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
351 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
353 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
355 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
356 [NL80211_ATTR_IE
] = NLA_POLICY_VALIDATE_FN(NLA_BINARY
,
358 IEEE80211_MAX_DATA_LEN
),
359 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
360 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
362 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
363 .len
= IEEE80211_MAX_SSID_LEN
},
364 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
365 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
366 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
367 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
368 [NL80211_ATTR_USE_MFP
] = NLA_POLICY_RANGE(NLA_U32
,
370 NL80211_MFP_OPTIONAL
),
371 [NL80211_ATTR_STA_FLAGS2
] = {
372 .len
= sizeof(struct nl80211_sta_flag_update
),
374 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
375 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
376 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
377 [NL80211_ATTR_CONTROL_PORT_OVER_NL80211
] = { .type
= NLA_FLAG
},
378 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
379 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
380 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
381 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
382 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
383 [NL80211_ATTR_PMKID
] = { .len
= WLAN_PMKID_LEN
},
384 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
385 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
386 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
387 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
388 .len
= IEEE80211_MAX_DATA_LEN
},
389 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
390 [NL80211_ATTR_PS_STATE
] = NLA_POLICY_RANGE(NLA_U32
,
393 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
394 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
395 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
397 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
398 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
399 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
400 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
401 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
402 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
403 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
404 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
405 [NL80211_ATTR_STA_PLINK_STATE
] =
406 NLA_POLICY_MAX(NLA_U8
, NUM_NL80211_PLINK_STATES
- 1),
407 [NL80211_ATTR_MESH_PEER_AID
] =
408 NLA_POLICY_RANGE(NLA_U16
, 1, IEEE80211_MAX_AID
),
409 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
410 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
411 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
412 [NL80211_ATTR_HIDDEN_SSID
] =
413 NLA_POLICY_RANGE(NLA_U32
,
414 NL80211_HIDDEN_SSID_NOT_IN_USE
,
415 NL80211_HIDDEN_SSID_ZERO_CONTENTS
),
416 [NL80211_ATTR_IE_PROBE_RESP
] =
417 NLA_POLICY_VALIDATE_FN(NLA_BINARY
, validate_ie_attr
,
418 IEEE80211_MAX_DATA_LEN
),
419 [NL80211_ATTR_IE_ASSOC_RESP
] =
420 NLA_POLICY_VALIDATE_FN(NLA_BINARY
, validate_ie_attr
,
421 IEEE80211_MAX_DATA_LEN
),
422 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
423 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
424 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
425 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
426 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
427 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
428 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
429 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
430 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
431 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
432 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
433 .len
= IEEE80211_MAX_DATA_LEN
},
434 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
435 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
436 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
437 .len
= NL80211_HT_CAPABILITY_LEN
439 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
440 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
441 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
442 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
443 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
444 [NL80211_ATTR_AUTH_DATA
] = { .type
= NLA_BINARY
, },
445 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
446 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
447 [NL80211_ATTR_P2P_CTWINDOW
] = NLA_POLICY_MAX(NLA_U8
, 127),
448 [NL80211_ATTR_P2P_OPPPS
] = NLA_POLICY_MAX(NLA_U8
, 1),
449 [NL80211_ATTR_LOCAL_MESH_POWER_MODE
] =
450 NLA_POLICY_RANGE(NLA_U32
,
451 NL80211_MESH_POWER_UNKNOWN
+ 1,
452 NL80211_MESH_POWER_MAX
),
453 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
454 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
455 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
456 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
457 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
458 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
459 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
460 .len
= NL80211_VHT_CAPABILITY_LEN
,
462 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
463 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
464 .len
= IEEE80211_MAX_DATA_LEN
},
465 [NL80211_ATTR_PEER_AID
] =
466 NLA_POLICY_RANGE(NLA_U16
, 1, IEEE80211_MAX_AID
),
467 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
468 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
469 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
470 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
471 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
472 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
473 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
474 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
475 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
476 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
477 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
478 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
479 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
480 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
481 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
482 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
483 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
484 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
485 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
486 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
487 [NL80211_ATTR_TSID
] = NLA_POLICY_MAX(NLA_U8
, IEEE80211_NUM_TIDS
- 1),
488 [NL80211_ATTR_USER_PRIO
] =
489 NLA_POLICY_MAX(NLA_U8
, IEEE80211_NUM_UPS
- 1),
490 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
491 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
492 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
493 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG
] = { .type
= NLA_FLAG
},
494 [NL80211_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
495 [NL80211_ATTR_SCHED_SCAN_DELAY
] = { .type
= NLA_U32
},
496 [NL80211_ATTR_REG_INDOOR
] = { .type
= NLA_FLAG
},
497 [NL80211_ATTR_PBSS
] = { .type
= NLA_FLAG
},
498 [NL80211_ATTR_BSS_SELECT
] = { .type
= NLA_NESTED
},
499 [NL80211_ATTR_STA_SUPPORT_P2P_PS
] =
500 NLA_POLICY_MAX(NLA_U8
, NUM_NL80211_P2P_PS_STATUS
- 1),
501 [NL80211_ATTR_MU_MIMO_GROUP_DATA
] = {
502 .len
= VHT_MUMIMO_GROUPS_DATA_LEN
504 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
] = { .len
= ETH_ALEN
},
505 [NL80211_ATTR_NAN_MASTER_PREF
] = NLA_POLICY_MIN(NLA_U8
, 1),
506 [NL80211_ATTR_BANDS
] = { .type
= NLA_U32
},
507 [NL80211_ATTR_NAN_FUNC
] = { .type
= NLA_NESTED
},
508 [NL80211_ATTR_FILS_KEK
] = { .type
= NLA_BINARY
,
509 .len
= FILS_MAX_KEK_LEN
},
510 [NL80211_ATTR_FILS_NONCES
] = { .len
= 2 * FILS_NONCE_LEN
},
511 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
] = { .type
= NLA_FLAG
, },
512 [NL80211_ATTR_BSSID
] = { .len
= ETH_ALEN
},
513 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] = { .type
= NLA_S8
},
514 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
] = {
515 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
517 [NL80211_ATTR_TIMEOUT_REASON
] = { .type
= NLA_U32
},
518 [NL80211_ATTR_FILS_ERP_USERNAME
] = { .type
= NLA_BINARY
,
519 .len
= FILS_ERP_MAX_USERNAME_LEN
},
520 [NL80211_ATTR_FILS_ERP_REALM
] = { .type
= NLA_BINARY
,
521 .len
= FILS_ERP_MAX_REALM_LEN
},
522 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] = { .type
= NLA_U16
},
523 [NL80211_ATTR_FILS_ERP_RRK
] = { .type
= NLA_BINARY
,
524 .len
= FILS_ERP_MAX_RRK_LEN
},
525 [NL80211_ATTR_FILS_CACHE_ID
] = { .len
= 2 },
526 [NL80211_ATTR_PMK
] = { .type
= NLA_BINARY
, .len
= PMK_MAX_LEN
},
527 [NL80211_ATTR_SCHED_SCAN_MULTI
] = { .type
= NLA_FLAG
},
528 [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT
] = { .type
= NLA_FLAG
},
530 [NL80211_ATTR_TXQ_LIMIT
] = { .type
= NLA_U32
},
531 [NL80211_ATTR_TXQ_MEMORY_LIMIT
] = { .type
= NLA_U32
},
532 [NL80211_ATTR_TXQ_QUANTUM
] = { .type
= NLA_U32
},
533 [NL80211_ATTR_HE_CAPABILITY
] = { .type
= NLA_BINARY
,
534 .len
= NL80211_HE_MAX_CAPABILITY_LEN
},
536 [NL80211_ATTR_FTM_RESPONDER
] = {
538 .validation_data
= nl80211_ftm_responder_policy
,
540 [NL80211_ATTR_TIMEOUT
] = NLA_POLICY_MIN(NLA_U32
, 1),
541 [NL80211_ATTR_PEER_MEASUREMENTS
] =
542 NLA_POLICY_NESTED(nl80211_pmsr_attr_policy
),
543 [NL80211_ATTR_AIRTIME_WEIGHT
] = NLA_POLICY_MIN(NLA_U16
, 1),
546 /* policy for the key attributes */
547 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
548 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
549 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
550 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
551 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
552 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
553 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
554 [NL80211_KEY_TYPE
] = NLA_POLICY_MAX(NLA_U32
, NUM_NL80211_KEYTYPES
- 1),
555 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
558 /* policy for the key default flags */
559 static const struct nla_policy
560 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
561 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
562 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
566 /* policy for WoWLAN attributes */
567 static const struct nla_policy
568 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
569 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
570 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
571 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
572 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
573 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
574 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
575 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
576 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
577 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
578 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
581 static const struct nla_policy
582 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
583 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
584 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
585 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
586 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
587 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
588 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
589 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
590 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
592 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
593 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
595 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
596 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
597 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
599 #endif /* CONFIG_PM */
601 /* policy for coalesce rule attributes */
602 static const struct nla_policy
603 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
604 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
605 [NL80211_ATTR_COALESCE_RULE_CONDITION
] =
606 NLA_POLICY_RANGE(NLA_U32
,
607 NL80211_COALESCE_CONDITION_MATCH
,
608 NL80211_COALESCE_CONDITION_NO_MATCH
),
609 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
612 /* policy for GTK rekey offload attributes */
613 static const struct nla_policy
614 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
615 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
616 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
617 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
620 static const struct nla_policy
621 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
622 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
623 .len
= IEEE80211_MAX_SSID_LEN
},
624 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
] = { .len
= ETH_ALEN
},
625 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
628 static const struct nla_policy
629 nl80211_plan_policy
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1] = {
630 [NL80211_SCHED_SCAN_PLAN_INTERVAL
] = { .type
= NLA_U32
},
631 [NL80211_SCHED_SCAN_PLAN_ITERATIONS
] = { .type
= NLA_U32
},
634 static const struct nla_policy
635 nl80211_bss_select_policy
[NL80211_BSS_SELECT_ATTR_MAX
+ 1] = {
636 [NL80211_BSS_SELECT_ATTR_RSSI
] = { .type
= NLA_FLAG
},
637 [NL80211_BSS_SELECT_ATTR_BAND_PREF
] = { .type
= NLA_U32
},
638 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
] = {
639 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
643 /* policy for NAN function attributes */
644 static const struct nla_policy
645 nl80211_nan_func_policy
[NL80211_NAN_FUNC_ATTR_MAX
+ 1] = {
646 [NL80211_NAN_FUNC_TYPE
] = { .type
= NLA_U8
},
647 [NL80211_NAN_FUNC_SERVICE_ID
] = {
648 .len
= NL80211_NAN_FUNC_SERVICE_ID_LEN
},
649 [NL80211_NAN_FUNC_PUBLISH_TYPE
] = { .type
= NLA_U8
},
650 [NL80211_NAN_FUNC_PUBLISH_BCAST
] = { .type
= NLA_FLAG
},
651 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
] = { .type
= NLA_FLAG
},
652 [NL80211_NAN_FUNC_FOLLOW_UP_ID
] = { .type
= NLA_U8
},
653 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
] = { .type
= NLA_U8
},
654 [NL80211_NAN_FUNC_FOLLOW_UP_DEST
] = { .len
= ETH_ALEN
},
655 [NL80211_NAN_FUNC_CLOSE_RANGE
] = { .type
= NLA_FLAG
},
656 [NL80211_NAN_FUNC_TTL
] = { .type
= NLA_U32
},
657 [NL80211_NAN_FUNC_SERVICE_INFO
] = { .type
= NLA_BINARY
,
658 .len
= NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN
},
659 [NL80211_NAN_FUNC_SRF
] = { .type
= NLA_NESTED
},
660 [NL80211_NAN_FUNC_RX_MATCH_FILTER
] = { .type
= NLA_NESTED
},
661 [NL80211_NAN_FUNC_TX_MATCH_FILTER
] = { .type
= NLA_NESTED
},
662 [NL80211_NAN_FUNC_INSTANCE_ID
] = { .type
= NLA_U8
},
663 [NL80211_NAN_FUNC_TERM_REASON
] = { .type
= NLA_U8
},
666 /* policy for Service Response Filter attributes */
667 static const struct nla_policy
668 nl80211_nan_srf_policy
[NL80211_NAN_SRF_ATTR_MAX
+ 1] = {
669 [NL80211_NAN_SRF_INCLUDE
] = { .type
= NLA_FLAG
},
670 [NL80211_NAN_SRF_BF
] = { .type
= NLA_BINARY
,
671 .len
= NL80211_NAN_FUNC_SRF_MAX_LEN
},
672 [NL80211_NAN_SRF_BF_IDX
] = { .type
= NLA_U8
},
673 [NL80211_NAN_SRF_MAC_ADDRS
] = { .type
= NLA_NESTED
},
676 /* policy for packet pattern attributes */
677 static const struct nla_policy
678 nl80211_packet_pattern_policy
[MAX_NL80211_PKTPAT
+ 1] = {
679 [NL80211_PKTPAT_MASK
] = { .type
= NLA_BINARY
, },
680 [NL80211_PKTPAT_PATTERN
] = { .type
= NLA_BINARY
, },
681 [NL80211_PKTPAT_OFFSET
] = { .type
= NLA_U32
},
684 int nl80211_prepare_wdev_dump(struct netlink_callback
*cb
,
685 struct cfg80211_registered_device
**rdev
,
686 struct wireless_dev
**wdev
)
691 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
692 genl_family_attrbuf(&nl80211_fam
),
693 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
697 *wdev
= __cfg80211_wdev_from_attrs(
698 sock_net(cb
->skb
->sk
),
699 genl_family_attrbuf(&nl80211_fam
));
701 return PTR_ERR(*wdev
);
702 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
703 /* 0 is the first index - add 1 to parse only once */
704 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
705 cb
->args
[1] = (*wdev
)->identifier
;
707 /* subtract the 1 again here */
708 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
709 struct wireless_dev
*tmp
;
713 *rdev
= wiphy_to_rdev(wiphy
);
716 list_for_each_entry(tmp
, &(*rdev
)->wiphy
.wdev_list
, list
) {
717 if (tmp
->identifier
== cb
->args
[1]) {
730 /* message building helper */
731 void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
734 /* since there is no private header just add the generic one */
735 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
738 static int nl80211_msg_put_wmm_rules(struct sk_buff
*msg
,
739 const struct ieee80211_reg_rule
*rule
)
742 struct nlattr
*nl_wmm_rules
=
743 nla_nest_start(msg
, NL80211_FREQUENCY_ATTR_WMM
);
746 goto nla_put_failure
;
748 for (j
= 0; j
< IEEE80211_NUM_ACS
; j
++) {
749 struct nlattr
*nl_wmm_rule
= nla_nest_start(msg
, j
);
752 goto nla_put_failure
;
754 if (nla_put_u16(msg
, NL80211_WMMR_CW_MIN
,
755 rule
->wmm_rule
.client
[j
].cw_min
) ||
756 nla_put_u16(msg
, NL80211_WMMR_CW_MAX
,
757 rule
->wmm_rule
.client
[j
].cw_max
) ||
758 nla_put_u8(msg
, NL80211_WMMR_AIFSN
,
759 rule
->wmm_rule
.client
[j
].aifsn
) ||
760 nla_put_u16(msg
, NL80211_WMMR_TXOP
,
761 rule
->wmm_rule
.client
[j
].cot
))
762 goto nla_put_failure
;
764 nla_nest_end(msg
, nl_wmm_rule
);
766 nla_nest_end(msg
, nl_wmm_rules
);
774 static int nl80211_msg_put_channel(struct sk_buff
*msg
, struct wiphy
*wiphy
,
775 struct ieee80211_channel
*chan
,
778 /* Some channels must be completely excluded from the
779 * list to protect old user-space tools from breaking
781 if (!large
&& chan
->flags
&
782 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
785 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
787 goto nla_put_failure
;
789 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
790 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
791 goto nla_put_failure
;
792 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
793 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
794 goto nla_put_failure
;
795 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
796 goto nla_put_failure
;
798 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
799 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
800 goto nla_put_failure
;
804 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
806 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
808 goto nla_put_failure
;
809 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
811 goto nla_put_failure
;
813 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
815 goto nla_put_failure
;
820 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
821 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
822 goto nla_put_failure
;
823 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
824 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
825 goto nla_put_failure
;
826 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
827 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
828 goto nla_put_failure
;
829 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
830 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
831 goto nla_put_failure
;
832 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
833 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
834 goto nla_put_failure
;
835 if ((chan
->flags
& IEEE80211_CHAN_IR_CONCURRENT
) &&
836 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_IR_CONCURRENT
))
837 goto nla_put_failure
;
838 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
839 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
840 goto nla_put_failure
;
841 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
842 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
843 goto nla_put_failure
;
846 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
847 DBM_TO_MBM(chan
->max_power
)))
848 goto nla_put_failure
;
851 const struct ieee80211_reg_rule
*rule
=
852 freq_reg_info(wiphy
, MHZ_TO_KHZ(chan
->center_freq
));
854 if (!IS_ERR_OR_NULL(rule
) && rule
->has_wmm
) {
855 if (nl80211_msg_put_wmm_rules(msg
, rule
))
856 goto nla_put_failure
;
866 static bool nl80211_put_txq_stats(struct sk_buff
*msg
,
867 struct cfg80211_txq_stats
*txqstats
,
870 struct nlattr
*txqattr
;
872 #define PUT_TXQVAL_U32(attr, memb) do { \
873 if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \
874 nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \
878 txqattr
= nla_nest_start(msg
, attrtype
);
882 PUT_TXQVAL_U32(BACKLOG_BYTES
, backlog_bytes
);
883 PUT_TXQVAL_U32(BACKLOG_PACKETS
, backlog_packets
);
884 PUT_TXQVAL_U32(FLOWS
, flows
);
885 PUT_TXQVAL_U32(DROPS
, drops
);
886 PUT_TXQVAL_U32(ECN_MARKS
, ecn_marks
);
887 PUT_TXQVAL_U32(OVERLIMIT
, overlimit
);
888 PUT_TXQVAL_U32(OVERMEMORY
, overmemory
);
889 PUT_TXQVAL_U32(COLLISIONS
, collisions
);
890 PUT_TXQVAL_U32(TX_BYTES
, tx_bytes
);
891 PUT_TXQVAL_U32(TX_PACKETS
, tx_packets
);
892 PUT_TXQVAL_U32(MAX_FLOWS
, max_flows
);
893 nla_nest_end(msg
, txqattr
);
895 #undef PUT_TXQVAL_U32
899 /* netlink command implementations */
906 bool def_uni
, def_multi
;
909 static int nl80211_parse_key_new(struct genl_info
*info
, struct nlattr
*key
,
912 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
913 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
914 nl80211_key_policy
, info
->extack
);
918 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
919 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
928 if (tb
[NL80211_KEY_IDX
])
929 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
931 if (tb
[NL80211_KEY_DATA
]) {
932 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
933 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
936 if (tb
[NL80211_KEY_SEQ
]) {
937 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
938 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
941 if (tb
[NL80211_KEY_CIPHER
])
942 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
944 if (tb
[NL80211_KEY_TYPE
])
945 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
947 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
948 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
950 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
951 tb
[NL80211_KEY_DEFAULT_TYPES
],
952 nl80211_key_default_policy
,
957 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
958 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
964 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
966 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
967 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
968 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
971 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
972 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
973 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
976 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
977 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
979 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
980 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
982 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
983 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
992 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
])
993 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
995 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
996 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
997 int err
= nla_parse_nested(kdt
,
998 NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
999 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
1000 nl80211_key_default_policy
,
1005 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
1006 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
1012 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
1016 memset(k
, 0, sizeof(*k
));
1020 if (info
->attrs
[NL80211_ATTR_KEY
])
1021 err
= nl80211_parse_key_new(info
, info
->attrs
[NL80211_ATTR_KEY
], k
);
1023 err
= nl80211_parse_key_old(info
, k
);
1028 if (k
->def
&& k
->defmgmt
) {
1029 GENL_SET_ERR_MSG(info
, "key with def && defmgmt is invalid");
1034 if (k
->def_uni
|| !k
->def_multi
) {
1035 GENL_SET_ERR_MSG(info
, "defmgmt key must be mcast");
1042 if (k
->idx
< 4 || k
->idx
> 5) {
1043 GENL_SET_ERR_MSG(info
,
1044 "defmgmt key idx not 4 or 5");
1047 } else if (k
->def
) {
1048 if (k
->idx
< 0 || k
->idx
> 3) {
1049 GENL_SET_ERR_MSG(info
, "def key idx not 0-3");
1053 if (k
->idx
< 0 || k
->idx
> 5) {
1054 GENL_SET_ERR_MSG(info
, "key idx not 0-5");
1063 static struct cfg80211_cached_keys
*
1064 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
1065 struct genl_info
*info
, bool *no_ht
)
1067 struct nlattr
*keys
= info
->attrs
[NL80211_ATTR_KEYS
];
1068 struct key_parse parse
;
1070 struct cfg80211_cached_keys
*result
;
1071 int rem
, err
, def
= 0;
1072 bool have_key
= false;
1074 nla_for_each_nested(key
, keys
, rem
) {
1082 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
1084 return ERR_PTR(-ENOMEM
);
1088 nla_for_each_nested(key
, keys
, rem
) {
1089 memset(&parse
, 0, sizeof(parse
));
1092 err
= nl80211_parse_key_new(info
, key
, &parse
);
1098 if (parse
.idx
< 0 || parse
.idx
> 3) {
1099 GENL_SET_ERR_MSG(info
, "key index out of range [0-3]");
1104 GENL_SET_ERR_MSG(info
,
1105 "only one key can be default");
1109 result
->def
= parse
.idx
;
1110 if (!parse
.def_uni
|| !parse
.def_multi
)
1112 } else if (parse
.defmgmt
)
1114 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
1115 parse
.idx
, false, NULL
);
1118 if (parse
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
&&
1119 parse
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
) {
1120 GENL_SET_ERR_MSG(info
, "connect key must be WEP");
1124 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
1125 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
1126 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
1127 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
1129 /* must be WEP key if we got here */
1134 if (result
->def
< 0) {
1136 GENL_SET_ERR_MSG(info
, "need a default/TX key");
1143 return ERR_PTR(err
);
1146 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
1148 ASSERT_WDEV_LOCK(wdev
);
1150 switch (wdev
->iftype
) {
1151 case NL80211_IFTYPE_AP
:
1152 case NL80211_IFTYPE_AP_VLAN
:
1153 case NL80211_IFTYPE_P2P_GO
:
1154 case NL80211_IFTYPE_MESH_POINT
:
1156 case NL80211_IFTYPE_ADHOC
:
1157 case NL80211_IFTYPE_STATION
:
1158 case NL80211_IFTYPE_P2P_CLIENT
:
1159 if (!wdev
->current_bss
)
1162 case NL80211_IFTYPE_UNSPECIFIED
:
1163 case NL80211_IFTYPE_OCB
:
1164 case NL80211_IFTYPE_MONITOR
:
1165 case NL80211_IFTYPE_NAN
:
1166 case NL80211_IFTYPE_P2P_DEVICE
:
1167 case NL80211_IFTYPE_WDS
:
1168 case NUM_NL80211_IFTYPES
:
1175 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
1178 struct ieee80211_channel
*chan
;
1182 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
1183 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
1188 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
1190 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
1194 goto nla_put_failure
;
1198 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
1199 goto nla_put_failure
;
1204 nla_nest_end(msg
, nl_modes
);
1211 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
1212 struct sk_buff
*msg
,
1215 struct nlattr
*nl_combis
;
1218 nl_combis
= nla_nest_start(msg
,
1219 NL80211_ATTR_INTERFACE_COMBINATIONS
);
1221 goto nla_put_failure
;
1223 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
1224 const struct ieee80211_iface_combination
*c
;
1225 struct nlattr
*nl_combi
, *nl_limits
;
1227 c
= &wiphy
->iface_combinations
[i
];
1229 nl_combi
= nla_nest_start(msg
, i
+ 1);
1231 goto nla_put_failure
;
1233 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
1235 goto nla_put_failure
;
1237 for (j
= 0; j
< c
->n_limits
; j
++) {
1238 struct nlattr
*nl_limit
;
1240 nl_limit
= nla_nest_start(msg
, j
+ 1);
1242 goto nla_put_failure
;
1243 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
1245 goto nla_put_failure
;
1246 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
1247 c
->limits
[j
].types
))
1248 goto nla_put_failure
;
1249 nla_nest_end(msg
, nl_limit
);
1252 nla_nest_end(msg
, nl_limits
);
1254 if (c
->beacon_int_infra_match
&&
1255 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
1256 goto nla_put_failure
;
1257 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
1258 c
->num_different_channels
) ||
1259 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
1261 goto nla_put_failure
;
1263 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
1264 c
->radar_detect_widths
) ||
1265 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
1266 c
->radar_detect_regions
)))
1267 goto nla_put_failure
;
1268 if (c
->beacon_int_min_gcd
&&
1269 nla_put_u32(msg
, NL80211_IFACE_COMB_BI_MIN_GCD
,
1270 c
->beacon_int_min_gcd
))
1271 goto nla_put_failure
;
1273 nla_nest_end(msg
, nl_combi
);
1276 nla_nest_end(msg
, nl_combis
);
1284 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1285 struct sk_buff
*msg
)
1287 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1288 struct nlattr
*nl_tcp
;
1293 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1297 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1298 tcp
->data_payload_max
))
1301 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1302 tcp
->data_payload_max
))
1305 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1308 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1309 sizeof(*tcp
->tok
), tcp
->tok
))
1312 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1313 tcp
->data_interval_max
))
1316 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1317 tcp
->wake_payload_max
))
1320 nla_nest_end(msg
, nl_tcp
);
1324 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1325 struct cfg80211_registered_device
*rdev
,
1328 struct nlattr
*nl_wowlan
;
1330 if (!rdev
->wiphy
.wowlan
)
1333 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1337 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1338 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1339 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1340 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1341 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1342 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1343 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1344 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1345 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1346 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1347 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1348 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1349 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1350 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1351 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1352 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1355 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1356 struct nl80211_pattern_support pat
= {
1357 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1358 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1359 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1360 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1363 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1368 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1369 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1370 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1373 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1376 nla_nest_end(msg
, nl_wowlan
);
1382 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1383 struct cfg80211_registered_device
*rdev
)
1385 struct nl80211_coalesce_rule_support rule
;
1387 if (!rdev
->wiphy
.coalesce
)
1390 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1391 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1392 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1393 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1394 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1395 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1397 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1404 nl80211_send_iftype_data(struct sk_buff
*msg
,
1405 const struct ieee80211_sband_iftype_data
*iftdata
)
1407 const struct ieee80211_sta_he_cap
*he_cap
= &iftdata
->he_cap
;
1409 if (nl80211_put_iftypes(msg
, NL80211_BAND_IFTYPE_ATTR_IFTYPES
,
1410 iftdata
->types_mask
))
1413 if (he_cap
->has_he
) {
1414 if (nla_put(msg
, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC
,
1415 sizeof(he_cap
->he_cap_elem
.mac_cap_info
),
1416 he_cap
->he_cap_elem
.mac_cap_info
) ||
1417 nla_put(msg
, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY
,
1418 sizeof(he_cap
->he_cap_elem
.phy_cap_info
),
1419 he_cap
->he_cap_elem
.phy_cap_info
) ||
1420 nla_put(msg
, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET
,
1421 sizeof(he_cap
->he_mcs_nss_supp
),
1422 &he_cap
->he_mcs_nss_supp
) ||
1423 nla_put(msg
, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE
,
1424 sizeof(he_cap
->ppe_thres
), he_cap
->ppe_thres
))
1431 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1432 struct ieee80211_supported_band
*sband
)
1434 struct nlattr
*nl_rates
, *nl_rate
;
1435 struct ieee80211_rate
*rate
;
1439 if (sband
->ht_cap
.ht_supported
&&
1440 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1441 sizeof(sband
->ht_cap
.mcs
),
1442 &sband
->ht_cap
.mcs
) ||
1443 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1444 sband
->ht_cap
.cap
) ||
1445 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1446 sband
->ht_cap
.ampdu_factor
) ||
1447 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1448 sband
->ht_cap
.ampdu_density
)))
1452 if (sband
->vht_cap
.vht_supported
&&
1453 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1454 sizeof(sband
->vht_cap
.vht_mcs
),
1455 &sband
->vht_cap
.vht_mcs
) ||
1456 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1457 sband
->vht_cap
.cap
)))
1460 if (sband
->n_iftype_data
) {
1461 struct nlattr
*nl_iftype_data
=
1462 nla_nest_start(msg
, NL80211_BAND_ATTR_IFTYPE_DATA
);
1465 if (!nl_iftype_data
)
1468 for (i
= 0; i
< sband
->n_iftype_data
; i
++) {
1469 struct nlattr
*iftdata
;
1471 iftdata
= nla_nest_start(msg
, i
+ 1);
1475 err
= nl80211_send_iftype_data(msg
,
1476 &sband
->iftype_data
[i
]);
1480 nla_nest_end(msg
, iftdata
);
1483 nla_nest_end(msg
, nl_iftype_data
);
1487 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1491 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1492 nl_rate
= nla_nest_start(msg
, i
);
1496 rate
= &sband
->bitrates
[i
];
1497 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1500 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1502 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1505 nla_nest_end(msg
, nl_rate
);
1508 nla_nest_end(msg
, nl_rates
);
1514 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1515 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1518 struct nlattr
*nl_ftypes
, *nl_ifs
;
1519 enum nl80211_iftype ift
;
1525 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1529 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1530 nl_ftypes
= nla_nest_start(msg
, ift
);
1534 stypes
= mgmt_stypes
[ift
].tx
;
1537 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1538 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1543 nla_nest_end(msg
, nl_ftypes
);
1546 nla_nest_end(msg
, nl_ifs
);
1548 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1552 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1553 nl_ftypes
= nla_nest_start(msg
, ift
);
1557 stypes
= mgmt_stypes
[ift
].rx
;
1560 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1561 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1566 nla_nest_end(msg
, nl_ftypes
);
1568 nla_nest_end(msg
, nl_ifs
);
1573 #define CMD(op, n) \
1575 if (rdev->ops->op) { \
1577 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1578 goto nla_put_failure; \
1582 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device
*rdev
,
1583 struct sk_buff
*msg
)
1588 * do *NOT* add anything into this function, new things need to be
1589 * advertised only to new versions of userspace that can deal with
1590 * the split (and they can't possibly care about new features...
1592 CMD(add_virtual_intf
, NEW_INTERFACE
);
1593 CMD(change_virtual_intf
, SET_INTERFACE
);
1594 CMD(add_key
, NEW_KEY
);
1595 CMD(start_ap
, START_AP
);
1596 CMD(add_station
, NEW_STATION
);
1597 CMD(add_mpath
, NEW_MPATH
);
1598 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1599 CMD(change_bss
, SET_BSS
);
1600 CMD(auth
, AUTHENTICATE
);
1601 CMD(assoc
, ASSOCIATE
);
1602 CMD(deauth
, DEAUTHENTICATE
);
1603 CMD(disassoc
, DISASSOCIATE
);
1604 CMD(join_ibss
, JOIN_IBSS
);
1605 CMD(join_mesh
, JOIN_MESH
);
1606 CMD(set_pmksa
, SET_PMKSA
);
1607 CMD(del_pmksa
, DEL_PMKSA
);
1608 CMD(flush_pmksa
, FLUSH_PMKSA
);
1609 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1610 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1611 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1612 CMD(mgmt_tx
, FRAME
);
1613 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1614 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1616 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1617 goto nla_put_failure
;
1619 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1620 rdev
->ops
->join_mesh
) {
1622 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1623 goto nla_put_failure
;
1625 CMD(set_wds_peer
, SET_WDS_PEER
);
1626 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1627 CMD(tdls_mgmt
, TDLS_MGMT
);
1628 CMD(tdls_oper
, TDLS_OPER
);
1630 if (rdev
->wiphy
.max_sched_scan_reqs
)
1631 CMD(sched_scan_start
, START_SCHED_SCAN
);
1632 CMD(probe_client
, PROBE_CLIENT
);
1633 CMD(set_noack_map
, SET_NOACK_MAP
);
1634 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1636 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1637 goto nla_put_failure
;
1639 CMD(start_p2p_device
, START_P2P_DEVICE
);
1640 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1641 #ifdef CONFIG_NL80211_TESTMODE
1642 CMD(testmode_cmd
, TESTMODE
);
1645 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1647 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1648 goto nla_put_failure
;
1651 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1653 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1654 goto nla_put_failure
;
1663 nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities
*cap
,
1664 struct sk_buff
*msg
)
1668 if (!cap
->ftm
.supported
)
1671 ftm
= nla_nest_start(msg
, NL80211_PMSR_TYPE_FTM
);
1675 if (cap
->ftm
.asap
&& nla_put_flag(msg
, NL80211_PMSR_FTM_CAPA_ATTR_ASAP
))
1677 if (cap
->ftm
.non_asap
&&
1678 nla_put_flag(msg
, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP
))
1680 if (cap
->ftm
.request_lci
&&
1681 nla_put_flag(msg
, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI
))
1683 if (cap
->ftm
.request_civicloc
&&
1684 nla_put_flag(msg
, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC
))
1686 if (nla_put_u32(msg
, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES
,
1687 cap
->ftm
.preambles
))
1689 if (nla_put_u32(msg
, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS
,
1690 cap
->ftm
.bandwidths
))
1692 if (cap
->ftm
.max_bursts_exponent
>= 0 &&
1693 nla_put_u32(msg
, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT
,
1694 cap
->ftm
.max_bursts_exponent
))
1696 if (cap
->ftm
.max_ftms_per_burst
&&
1697 nla_put_u32(msg
, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST
,
1698 cap
->ftm
.max_ftms_per_burst
))
1701 nla_nest_end(msg
, ftm
);
1705 static int nl80211_send_pmsr_capa(struct cfg80211_registered_device
*rdev
,
1706 struct sk_buff
*msg
)
1708 const struct cfg80211_pmsr_capabilities
*cap
= rdev
->wiphy
.pmsr_capa
;
1709 struct nlattr
*pmsr
, *caps
;
1715 * we don't need to clean up anything here since the caller
1716 * will genlmsg_cancel() if we fail
1719 pmsr
= nla_nest_start(msg
, NL80211_ATTR_PEER_MEASUREMENTS
);
1723 if (nla_put_u32(msg
, NL80211_PMSR_ATTR_MAX_PEERS
, cap
->max_peers
))
1726 if (cap
->report_ap_tsf
&&
1727 nla_put_flag(msg
, NL80211_PMSR_ATTR_REPORT_AP_TSF
))
1730 if (cap
->randomize_mac_addr
&&
1731 nla_put_flag(msg
, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR
))
1734 caps
= nla_nest_start(msg
, NL80211_PMSR_ATTR_TYPE_CAPA
);
1738 if (nl80211_send_pmsr_ftm_capa(cap
, msg
))
1741 nla_nest_end(msg
, caps
);
1742 nla_nest_end(msg
, pmsr
);
1747 struct nl80211_dump_wiphy_state
{
1750 long split_start
, band_start
, chan_start
, capa_start
;
1754 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1755 enum nl80211_commands cmd
,
1756 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1757 int flags
, struct nl80211_dump_wiphy_state
*state
)
1760 struct nlattr
*nl_bands
, *nl_band
;
1761 struct nlattr
*nl_freqs
, *nl_freq
;
1762 struct nlattr
*nl_cmds
;
1763 enum nl80211_band band
;
1764 struct ieee80211_channel
*chan
;
1766 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1767 rdev
->wiphy
.mgmt_stypes
;
1770 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1774 if (WARN_ON(!state
))
1777 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1778 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1779 wiphy_name(&rdev
->wiphy
)) ||
1780 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1781 cfg80211_rdev_list_generation
))
1782 goto nla_put_failure
;
1784 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1787 switch (state
->split_start
) {
1789 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1790 rdev
->wiphy
.retry_short
) ||
1791 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1792 rdev
->wiphy
.retry_long
) ||
1793 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1794 rdev
->wiphy
.frag_threshold
) ||
1795 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1796 rdev
->wiphy
.rts_threshold
) ||
1797 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1798 rdev
->wiphy
.coverage_class
) ||
1799 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1800 rdev
->wiphy
.max_scan_ssids
) ||
1801 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1802 rdev
->wiphy
.max_sched_scan_ssids
) ||
1803 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1804 rdev
->wiphy
.max_scan_ie_len
) ||
1805 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1806 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1807 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1808 rdev
->wiphy
.max_match_sets
) ||
1809 nla_put_u32(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
,
1810 rdev
->wiphy
.max_sched_scan_plans
) ||
1811 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
,
1812 rdev
->wiphy
.max_sched_scan_plan_interval
) ||
1813 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
,
1814 rdev
->wiphy
.max_sched_scan_plan_iterations
))
1815 goto nla_put_failure
;
1817 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1818 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1819 goto nla_put_failure
;
1820 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1821 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1822 goto nla_put_failure
;
1823 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1824 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1825 goto nla_put_failure
;
1826 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1827 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1828 goto nla_put_failure
;
1829 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1830 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1831 goto nla_put_failure
;
1832 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1833 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1834 goto nla_put_failure
;
1835 state
->split_start
++;
1840 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1841 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1842 rdev
->wiphy
.cipher_suites
))
1843 goto nla_put_failure
;
1845 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1846 rdev
->wiphy
.max_num_pmkids
))
1847 goto nla_put_failure
;
1849 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1850 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1851 goto nla_put_failure
;
1853 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1854 rdev
->wiphy
.available_antennas_tx
) ||
1855 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1856 rdev
->wiphy
.available_antennas_rx
))
1857 goto nla_put_failure
;
1859 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1860 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1861 rdev
->wiphy
.probe_resp_offload
))
1862 goto nla_put_failure
;
1864 if ((rdev
->wiphy
.available_antennas_tx
||
1865 rdev
->wiphy
.available_antennas_rx
) &&
1866 rdev
->ops
->get_antenna
) {
1867 u32 tx_ant
= 0, rx_ant
= 0;
1870 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1872 if (nla_put_u32(msg
,
1873 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1876 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1878 goto nla_put_failure
;
1882 state
->split_start
++;
1887 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1888 rdev
->wiphy
.interface_modes
))
1889 goto nla_put_failure
;
1890 state
->split_start
++;
1895 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1897 goto nla_put_failure
;
1899 for (band
= state
->band_start
;
1900 band
< NUM_NL80211_BANDS
; band
++) {
1901 struct ieee80211_supported_band
*sband
;
1903 sband
= rdev
->wiphy
.bands
[band
];
1908 nl_band
= nla_nest_start(msg
, band
);
1910 goto nla_put_failure
;
1912 switch (state
->chan_start
) {
1914 if (nl80211_send_band_rateinfo(msg
, sband
))
1915 goto nla_put_failure
;
1916 state
->chan_start
++;
1921 /* add frequencies */
1922 nl_freqs
= nla_nest_start(
1923 msg
, NL80211_BAND_ATTR_FREQS
);
1925 goto nla_put_failure
;
1927 for (i
= state
->chan_start
- 1;
1928 i
< sband
->n_channels
;
1930 nl_freq
= nla_nest_start(msg
, i
);
1932 goto nla_put_failure
;
1934 chan
= &sband
->channels
[i
];
1936 if (nl80211_msg_put_channel(
1937 msg
, &rdev
->wiphy
, chan
,
1939 goto nla_put_failure
;
1941 nla_nest_end(msg
, nl_freq
);
1945 if (i
< sband
->n_channels
)
1946 state
->chan_start
= i
+ 2;
1948 state
->chan_start
= 0;
1949 nla_nest_end(msg
, nl_freqs
);
1952 nla_nest_end(msg
, nl_band
);
1955 /* start again here */
1956 if (state
->chan_start
)
1961 nla_nest_end(msg
, nl_bands
);
1963 if (band
< NUM_NL80211_BANDS
)
1964 state
->band_start
= band
+ 1;
1966 state
->band_start
= 0;
1968 /* if bands & channels are done, continue outside */
1969 if (state
->band_start
== 0 && state
->chan_start
== 0)
1970 state
->split_start
++;
1975 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1977 goto nla_put_failure
;
1979 i
= nl80211_add_commands_unsplit(rdev
, msg
);
1981 goto nla_put_failure
;
1983 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1984 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1985 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1986 CMD(channel_switch
, CHANNEL_SWITCH
);
1987 CMD(set_qos_map
, SET_QOS_MAP
);
1988 if (rdev
->wiphy
.features
&
1989 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1990 CMD(add_tx_ts
, ADD_TX_TS
);
1991 CMD(set_multicast_to_unicast
, SET_MULTICAST_TO_UNICAST
);
1992 CMD(update_connect_params
, UPDATE_CONNECT_PARAMS
);
1996 nla_nest_end(msg
, nl_cmds
);
1997 state
->split_start
++;
2002 if (rdev
->ops
->remain_on_channel
&&
2003 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
2005 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
2006 rdev
->wiphy
.max_remain_on_channel_duration
))
2007 goto nla_put_failure
;
2009 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
2010 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
2011 goto nla_put_failure
;
2013 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
2014 goto nla_put_failure
;
2015 state
->split_start
++;
2021 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
2022 goto nla_put_failure
;
2023 state
->split_start
++;
2027 state
->split_start
++;
2031 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
2032 rdev
->wiphy
.software_iftypes
))
2033 goto nla_put_failure
;
2035 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
2037 goto nla_put_failure
;
2039 state
->split_start
++;
2044 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
2045 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
2046 rdev
->wiphy
.ap_sme_capa
))
2047 goto nla_put_failure
;
2049 features
= rdev
->wiphy
.features
;
2051 * We can only add the per-channel limit information if the
2052 * dump is split, otherwise it makes it too big. Therefore
2053 * only advertise it in that case.
2056 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
2057 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
2058 goto nla_put_failure
;
2060 if (rdev
->wiphy
.ht_capa_mod_mask
&&
2061 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
2062 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
2063 rdev
->wiphy
.ht_capa_mod_mask
))
2064 goto nla_put_failure
;
2066 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
2067 rdev
->wiphy
.max_acl_mac_addrs
&&
2068 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
2069 rdev
->wiphy
.max_acl_mac_addrs
))
2070 goto nla_put_failure
;
2073 * Any information below this point is only available to
2074 * applications that can deal with it being split. This
2075 * helps ensure that newly added capabilities don't break
2076 * older tools by overrunning their buffers.
2078 * We still increment split_start so that in the split
2079 * case we'll continue with more data in the next round,
2080 * but break unconditionally so unsplit data stops here.
2082 state
->split_start
++;
2085 if (rdev
->wiphy
.extended_capabilities
&&
2086 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
2087 rdev
->wiphy
.extended_capabilities_len
,
2088 rdev
->wiphy
.extended_capabilities
) ||
2089 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
2090 rdev
->wiphy
.extended_capabilities_len
,
2091 rdev
->wiphy
.extended_capabilities_mask
)))
2092 goto nla_put_failure
;
2094 if (rdev
->wiphy
.vht_capa_mod_mask
&&
2095 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
2096 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
2097 rdev
->wiphy
.vht_capa_mod_mask
))
2098 goto nla_put_failure
;
2100 state
->split_start
++;
2103 if (nl80211_send_coalesce(msg
, rdev
))
2104 goto nla_put_failure
;
2106 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
2107 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
2108 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
2109 goto nla_put_failure
;
2111 if (rdev
->wiphy
.max_ap_assoc_sta
&&
2112 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
2113 rdev
->wiphy
.max_ap_assoc_sta
))
2114 goto nla_put_failure
;
2116 state
->split_start
++;
2119 if (rdev
->wiphy
.n_vendor_commands
) {
2120 const struct nl80211_vendor_cmd_info
*info
;
2121 struct nlattr
*nested
;
2123 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
2125 goto nla_put_failure
;
2127 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
2128 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
2129 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
2130 goto nla_put_failure
;
2132 nla_nest_end(msg
, nested
);
2135 if (rdev
->wiphy
.n_vendor_events
) {
2136 const struct nl80211_vendor_cmd_info
*info
;
2137 struct nlattr
*nested
;
2139 nested
= nla_nest_start(msg
,
2140 NL80211_ATTR_VENDOR_EVENTS
);
2142 goto nla_put_failure
;
2144 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
2145 info
= &rdev
->wiphy
.vendor_events
[i
];
2146 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
2147 goto nla_put_failure
;
2149 nla_nest_end(msg
, nested
);
2151 state
->split_start
++;
2154 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
2155 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
2156 rdev
->wiphy
.max_num_csa_counters
))
2157 goto nla_put_failure
;
2159 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
2160 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
2161 goto nla_put_failure
;
2163 if (rdev
->wiphy
.max_sched_scan_reqs
&&
2164 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_MAX_REQS
,
2165 rdev
->wiphy
.max_sched_scan_reqs
))
2166 goto nla_put_failure
;
2168 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
2169 sizeof(rdev
->wiphy
.ext_features
),
2170 rdev
->wiphy
.ext_features
))
2171 goto nla_put_failure
;
2173 if (rdev
->wiphy
.bss_select_support
) {
2174 struct nlattr
*nested
;
2175 u32 bss_select_support
= rdev
->wiphy
.bss_select_support
;
2177 nested
= nla_nest_start(msg
, NL80211_ATTR_BSS_SELECT
);
2179 goto nla_put_failure
;
2182 while (bss_select_support
) {
2183 if ((bss_select_support
& 1) &&
2184 nla_put_flag(msg
, i
))
2185 goto nla_put_failure
;
2187 bss_select_support
>>= 1;
2189 nla_nest_end(msg
, nested
);
2192 state
->split_start
++;
2195 if (rdev
->wiphy
.num_iftype_ext_capab
&&
2196 rdev
->wiphy
.iftype_ext_capab
) {
2197 struct nlattr
*nested_ext_capab
, *nested
;
2199 nested
= nla_nest_start(msg
,
2200 NL80211_ATTR_IFTYPE_EXT_CAPA
);
2202 goto nla_put_failure
;
2204 for (i
= state
->capa_start
;
2205 i
< rdev
->wiphy
.num_iftype_ext_capab
; i
++) {
2206 const struct wiphy_iftype_ext_capab
*capab
;
2208 capab
= &rdev
->wiphy
.iftype_ext_capab
[i
];
2210 nested_ext_capab
= nla_nest_start(msg
, i
);
2211 if (!nested_ext_capab
||
2212 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
,
2214 nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
2215 capab
->extended_capabilities_len
,
2216 capab
->extended_capabilities
) ||
2217 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
2218 capab
->extended_capabilities_len
,
2219 capab
->extended_capabilities_mask
))
2220 goto nla_put_failure
;
2222 nla_nest_end(msg
, nested_ext_capab
);
2226 nla_nest_end(msg
, nested
);
2227 if (i
< rdev
->wiphy
.num_iftype_ext_capab
) {
2228 state
->capa_start
= i
+ 1;
2233 if (nla_put_u32(msg
, NL80211_ATTR_BANDS
,
2234 rdev
->wiphy
.nan_supported_bands
))
2235 goto nla_put_failure
;
2237 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
2238 NL80211_EXT_FEATURE_TXQS
)) {
2239 struct cfg80211_txq_stats txqstats
= {};
2242 res
= rdev_get_txq_stats(rdev
, NULL
, &txqstats
);
2244 !nl80211_put_txq_stats(msg
, &txqstats
,
2245 NL80211_ATTR_TXQ_STATS
))
2246 goto nla_put_failure
;
2248 if (nla_put_u32(msg
, NL80211_ATTR_TXQ_LIMIT
,
2249 rdev
->wiphy
.txq_limit
))
2250 goto nla_put_failure
;
2251 if (nla_put_u32(msg
, NL80211_ATTR_TXQ_MEMORY_LIMIT
,
2252 rdev
->wiphy
.txq_memory_limit
))
2253 goto nla_put_failure
;
2254 if (nla_put_u32(msg
, NL80211_ATTR_TXQ_QUANTUM
,
2255 rdev
->wiphy
.txq_quantum
))
2256 goto nla_put_failure
;
2259 state
->split_start
++;
2262 if (nl80211_send_pmsr_capa(rdev
, msg
))
2263 goto nla_put_failure
;
2265 state
->split_start
++;
2268 if (rdev
->wiphy
.akm_suites
&&
2269 nla_put(msg
, NL80211_ATTR_AKM_SUITES
,
2270 sizeof(u32
) * rdev
->wiphy
.n_akm_suites
,
2271 rdev
->wiphy
.akm_suites
))
2272 goto nla_put_failure
;
2275 state
->split_start
= 0;
2279 genlmsg_end(msg
, hdr
);
2283 genlmsg_cancel(msg
, hdr
);
2287 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
2288 struct netlink_callback
*cb
,
2289 struct nl80211_dump_wiphy_state
*state
)
2291 struct nlattr
**tb
= genl_family_attrbuf(&nl80211_fam
);
2292 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, tb
,
2293 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
2294 /* ignore parse errors for backward compatibility */
2298 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
2299 if (tb
[NL80211_ATTR_WIPHY
])
2300 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
2301 if (tb
[NL80211_ATTR_WDEV
])
2302 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
2303 if (tb
[NL80211_ATTR_IFINDEX
]) {
2304 struct net_device
*netdev
;
2305 struct cfg80211_registered_device
*rdev
;
2306 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
2308 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
2311 if (netdev
->ieee80211_ptr
) {
2312 rdev
= wiphy_to_rdev(
2313 netdev
->ieee80211_ptr
->wiphy
);
2314 state
->filter_wiphy
= rdev
->wiphy_idx
;
2321 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2324 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
2325 struct cfg80211_registered_device
*rdev
;
2329 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
2334 state
->filter_wiphy
= -1;
2335 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
2341 cb
->args
[0] = (long)state
;
2344 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2345 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2347 if (++idx
<= state
->start
)
2349 if (state
->filter_wiphy
!= -1 &&
2350 state
->filter_wiphy
!= rdev
->wiphy_idx
)
2352 /* attempt to fit multiple wiphy data chunks into the skb */
2354 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
2356 NETLINK_CB(cb
->skb
).portid
,
2358 NLM_F_MULTI
, state
);
2361 * If sending the wiphy data didn't fit (ENOBUFS
2362 * or EMSGSIZE returned), this SKB is still
2363 * empty (so it's not too big because another
2364 * wiphy dataset is already in the skb) and
2365 * we've not tried to adjust the dump allocation
2366 * yet ... then adjust the alloc size to be
2367 * bigger, and return 1 but with the empty skb.
2368 * This results in an empty message being RX'ed
2369 * in userspace, but that is ignored.
2371 * We can then retry with the larger buffer.
2373 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
2374 !skb
->len
&& !state
->split
&&
2375 cb
->min_dump_alloc
< 4096) {
2376 cb
->min_dump_alloc
= 4096;
2377 state
->split_start
= 0;
2384 } while (state
->split_start
> 0);
2394 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
2396 kfree((void *)cb
->args
[0]);
2400 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2402 struct sk_buff
*msg
;
2403 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2404 struct nl80211_dump_wiphy_state state
= {};
2406 msg
= nlmsg_new(4096, GFP_KERNEL
);
2410 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
2411 info
->snd_portid
, info
->snd_seq
, 0,
2417 return genlmsg_reply(msg
, info
);
2420 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
2421 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
2422 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
2423 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
2424 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
2425 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
2428 static int parse_txq_params(struct nlattr
*tb
[],
2429 struct ieee80211_txq_params
*txq_params
)
2433 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
2434 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
2435 !tb
[NL80211_TXQ_ATTR_AIFS
])
2438 ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
2439 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
2440 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
2441 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
2442 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
2444 if (ac
>= NL80211_NUM_ACS
)
2446 txq_params
->ac
= array_index_nospec(ac
, NL80211_NUM_ACS
);
2450 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
2453 * You can only set the channel explicitly for WDS interfaces,
2454 * all others have their channel managed via their respective
2455 * "establish a connection" command (connect, join, ...)
2457 * For AP/GO and mesh mode, the channel can be set with the
2458 * channel userspace API, but is only stored and passed to the
2459 * low-level driver when the AP starts or the mesh is joined.
2460 * This is for backward compatibility, userspace can also give
2461 * the channel in the start-ap or join-mesh commands instead.
2463 * Monitors are special as they are normally slaved to
2464 * whatever else is going on, so they have their own special
2465 * operation to set the monitor channel if possible.
2468 wdev
->iftype
== NL80211_IFTYPE_AP
||
2469 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
2470 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
2471 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
2474 int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
2475 struct genl_info
*info
,
2476 struct cfg80211_chan_def
*chandef
)
2478 struct netlink_ext_ack
*extack
= info
->extack
;
2479 struct nlattr
**attrs
= info
->attrs
;
2482 if (!attrs
[NL80211_ATTR_WIPHY_FREQ
])
2485 control_freq
= nla_get_u32(attrs
[NL80211_ATTR_WIPHY_FREQ
]);
2487 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
2488 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
2489 chandef
->center_freq1
= control_freq
;
2490 chandef
->center_freq2
= 0;
2492 /* Primary channel not allowed */
2493 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
) {
2494 NL_SET_ERR_MSG_ATTR(extack
, attrs
[NL80211_ATTR_WIPHY_FREQ
],
2495 "Channel is disabled");
2499 if (attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
2500 enum nl80211_channel_type chantype
;
2502 chantype
= nla_get_u32(attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
2505 case NL80211_CHAN_NO_HT
:
2506 case NL80211_CHAN_HT20
:
2507 case NL80211_CHAN_HT40PLUS
:
2508 case NL80211_CHAN_HT40MINUS
:
2509 cfg80211_chandef_create(chandef
, chandef
->chan
,
2511 /* user input for center_freq is incorrect */
2512 if (attrs
[NL80211_ATTR_CENTER_FREQ1
] &&
2513 chandef
->center_freq1
!= nla_get_u32(attrs
[NL80211_ATTR_CENTER_FREQ1
])) {
2514 NL_SET_ERR_MSG_ATTR(extack
,
2515 attrs
[NL80211_ATTR_CENTER_FREQ1
],
2516 "bad center frequency 1");
2519 /* center_freq2 must be zero */
2520 if (attrs
[NL80211_ATTR_CENTER_FREQ2
] &&
2521 nla_get_u32(attrs
[NL80211_ATTR_CENTER_FREQ2
])) {
2522 NL_SET_ERR_MSG_ATTR(extack
,
2523 attrs
[NL80211_ATTR_CENTER_FREQ2
],
2524 "center frequency 2 can't be used");
2529 NL_SET_ERR_MSG_ATTR(extack
,
2530 attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
],
2531 "invalid channel type");
2534 } else if (attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
2536 nla_get_u32(attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
2537 if (attrs
[NL80211_ATTR_CENTER_FREQ1
])
2538 chandef
->center_freq1
=
2539 nla_get_u32(attrs
[NL80211_ATTR_CENTER_FREQ1
]);
2540 if (attrs
[NL80211_ATTR_CENTER_FREQ2
])
2541 chandef
->center_freq2
=
2542 nla_get_u32(attrs
[NL80211_ATTR_CENTER_FREQ2
]);
2545 if (!cfg80211_chandef_valid(chandef
)) {
2546 NL_SET_ERR_MSG(extack
, "invalid channel definition");
2550 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
2551 IEEE80211_CHAN_DISABLED
)) {
2552 NL_SET_ERR_MSG(extack
, "(extension) channel is disabled");
2556 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
2557 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
2558 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
)) {
2559 NL_SET_ERR_MSG(extack
, "5/10 MHz not supported");
2566 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
2567 struct net_device
*dev
,
2568 struct genl_info
*info
)
2570 struct cfg80211_chan_def chandef
;
2572 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
2573 struct wireless_dev
*wdev
= NULL
;
2576 wdev
= dev
->ieee80211_ptr
;
2577 if (!nl80211_can_set_dev_channel(wdev
))
2580 iftype
= wdev
->iftype
;
2582 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2587 case NL80211_IFTYPE_AP
:
2588 case NL80211_IFTYPE_P2P_GO
:
2589 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2594 if (wdev
->beacon_interval
) {
2595 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2596 !(rdev
->wiphy
.features
&
2597 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2602 /* Only allow dynamic channel width changes */
2603 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2607 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2611 wdev
->preset_chandef
= chandef
;
2614 case NL80211_IFTYPE_MESH_POINT
:
2615 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2617 case NL80211_IFTYPE_MONITOR
:
2618 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2627 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2629 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2630 struct net_device
*netdev
= info
->user_ptr
[1];
2632 return __nl80211_set_channel(rdev
, netdev
, info
);
2635 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2637 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2638 struct net_device
*dev
= info
->user_ptr
[1];
2639 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2642 if (!info
->attrs
[NL80211_ATTR_MAC
])
2645 if (netif_running(dev
))
2648 if (!rdev
->ops
->set_wds_peer
)
2651 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2654 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2655 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2658 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2660 struct cfg80211_registered_device
*rdev
;
2661 struct net_device
*netdev
= NULL
;
2662 struct wireless_dev
*wdev
;
2663 int result
= 0, rem_txq_params
= 0;
2664 struct nlattr
*nl_txq_params
;
2666 u8 retry_short
= 0, retry_long
= 0;
2667 u32 frag_threshold
= 0, rts_threshold
= 0;
2668 u8 coverage_class
= 0;
2669 u32 txq_limit
= 0, txq_memory_limit
= 0, txq_quantum
= 0;
2674 * Try to find the wiphy and netdev. Normally this
2675 * function shouldn't need the netdev, but this is
2676 * done for backward compatibility -- previously
2677 * setting the channel was done per wiphy, but now
2678 * it is per netdev. Previous userland like hostapd
2679 * also passed a netdev to set_wiphy, so that it is
2680 * possible to let that go to the right netdev!
2683 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2684 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2686 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2687 if (netdev
&& netdev
->ieee80211_ptr
)
2688 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2694 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2697 return PTR_ERR(rdev
);
2702 wdev
= netdev
->ieee80211_ptr
;
2705 * end workaround code, by now the rdev is available
2706 * and locked, and wdev may or may not be NULL.
2709 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2710 result
= cfg80211_dev_rename(
2711 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2716 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2717 struct ieee80211_txq_params txq_params
;
2718 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2720 if (!rdev
->ops
->set_txq_params
)
2726 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2727 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2730 if (!netif_running(netdev
))
2733 nla_for_each_nested(nl_txq_params
,
2734 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2736 result
= nla_parse_nested(tb
, NL80211_TXQ_ATTR_MAX
,
2742 result
= parse_txq_params(tb
, &txq_params
);
2746 result
= rdev_set_txq_params(rdev
, netdev
,
2753 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2754 result
= __nl80211_set_channel(
2756 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2762 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2763 struct wireless_dev
*txp_wdev
= wdev
;
2764 enum nl80211_tx_power_setting type
;
2767 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2770 if (!rdev
->ops
->set_tx_power
)
2773 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2774 type
= nla_get_u32(info
->attrs
[idx
]);
2776 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2777 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2780 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2781 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2782 mbm
= nla_get_u32(info
->attrs
[idx
]);
2785 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2790 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2791 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2794 if ((!rdev
->wiphy
.available_antennas_tx
&&
2795 !rdev
->wiphy
.available_antennas_rx
) ||
2796 !rdev
->ops
->set_antenna
)
2799 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2800 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2802 /* reject antenna configurations which don't match the
2803 * available antenna masks, except for the "all" mask */
2804 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2805 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2808 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2809 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2811 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2818 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2819 retry_short
= nla_get_u8(
2820 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2822 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2825 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2826 retry_long
= nla_get_u8(
2827 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2829 changed
|= WIPHY_PARAM_RETRY_LONG
;
2832 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2833 frag_threshold
= nla_get_u32(
2834 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2835 if (frag_threshold
< 256)
2838 if (frag_threshold
!= (u32
) -1) {
2840 * Fragments (apart from the last one) are required to
2841 * have even length. Make the fragmentation code
2842 * simpler by stripping LSB should someone try to use
2843 * odd threshold value.
2845 frag_threshold
&= ~0x1;
2847 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2850 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2851 rts_threshold
= nla_get_u32(
2852 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2853 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2856 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2857 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2860 coverage_class
= nla_get_u8(
2861 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2862 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2865 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2866 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2869 changed
|= WIPHY_PARAM_DYN_ACK
;
2872 if (info
->attrs
[NL80211_ATTR_TXQ_LIMIT
]) {
2873 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
2874 NL80211_EXT_FEATURE_TXQS
))
2876 txq_limit
= nla_get_u32(
2877 info
->attrs
[NL80211_ATTR_TXQ_LIMIT
]);
2878 changed
|= WIPHY_PARAM_TXQ_LIMIT
;
2881 if (info
->attrs
[NL80211_ATTR_TXQ_MEMORY_LIMIT
]) {
2882 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
2883 NL80211_EXT_FEATURE_TXQS
))
2885 txq_memory_limit
= nla_get_u32(
2886 info
->attrs
[NL80211_ATTR_TXQ_MEMORY_LIMIT
]);
2887 changed
|= WIPHY_PARAM_TXQ_MEMORY_LIMIT
;
2890 if (info
->attrs
[NL80211_ATTR_TXQ_QUANTUM
]) {
2891 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
2892 NL80211_EXT_FEATURE_TXQS
))
2894 txq_quantum
= nla_get_u32(
2895 info
->attrs
[NL80211_ATTR_TXQ_QUANTUM
]);
2896 changed
|= WIPHY_PARAM_TXQ_QUANTUM
;
2900 u8 old_retry_short
, old_retry_long
;
2901 u32 old_frag_threshold
, old_rts_threshold
;
2902 u8 old_coverage_class
;
2903 u32 old_txq_limit
, old_txq_memory_limit
, old_txq_quantum
;
2905 if (!rdev
->ops
->set_wiphy_params
)
2908 old_retry_short
= rdev
->wiphy
.retry_short
;
2909 old_retry_long
= rdev
->wiphy
.retry_long
;
2910 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2911 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2912 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2913 old_txq_limit
= rdev
->wiphy
.txq_limit
;
2914 old_txq_memory_limit
= rdev
->wiphy
.txq_memory_limit
;
2915 old_txq_quantum
= rdev
->wiphy
.txq_quantum
;
2917 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2918 rdev
->wiphy
.retry_short
= retry_short
;
2919 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2920 rdev
->wiphy
.retry_long
= retry_long
;
2921 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2922 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2923 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2924 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2925 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2926 rdev
->wiphy
.coverage_class
= coverage_class
;
2927 if (changed
& WIPHY_PARAM_TXQ_LIMIT
)
2928 rdev
->wiphy
.txq_limit
= txq_limit
;
2929 if (changed
& WIPHY_PARAM_TXQ_MEMORY_LIMIT
)
2930 rdev
->wiphy
.txq_memory_limit
= txq_memory_limit
;
2931 if (changed
& WIPHY_PARAM_TXQ_QUANTUM
)
2932 rdev
->wiphy
.txq_quantum
= txq_quantum
;
2934 result
= rdev_set_wiphy_params(rdev
, changed
);
2936 rdev
->wiphy
.retry_short
= old_retry_short
;
2937 rdev
->wiphy
.retry_long
= old_retry_long
;
2938 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2939 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2940 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2941 rdev
->wiphy
.txq_limit
= old_txq_limit
;
2942 rdev
->wiphy
.txq_memory_limit
= old_txq_memory_limit
;
2943 rdev
->wiphy
.txq_quantum
= old_txq_quantum
;
2950 static int nl80211_send_chandef(struct sk_buff
*msg
,
2951 const struct cfg80211_chan_def
*chandef
)
2953 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2956 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2957 chandef
->chan
->center_freq
))
2959 switch (chandef
->width
) {
2960 case NL80211_CHAN_WIDTH_20_NOHT
:
2961 case NL80211_CHAN_WIDTH_20
:
2962 case NL80211_CHAN_WIDTH_40
:
2963 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2964 cfg80211_get_chandef_type(chandef
)))
2970 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2972 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2974 if (chandef
->center_freq2
&&
2975 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2980 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2981 struct cfg80211_registered_device
*rdev
,
2982 struct wireless_dev
*wdev
,
2983 enum nl80211_commands cmd
)
2985 struct net_device
*dev
= wdev
->netdev
;
2988 WARN_ON(cmd
!= NL80211_CMD_NEW_INTERFACE
&&
2989 cmd
!= NL80211_CMD_DEL_INTERFACE
&&
2990 cmd
!= NL80211_CMD_SET_INTERFACE
);
2992 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2997 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2998 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2999 goto nla_put_failure
;
3001 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
3002 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
3003 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
3004 NL80211_ATTR_PAD
) ||
3005 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
3006 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
3007 rdev
->devlist_generation
^
3008 (cfg80211_rdev_list_generation
<< 2)) ||
3009 nla_put_u8(msg
, NL80211_ATTR_4ADDR
, wdev
->use_4addr
))
3010 goto nla_put_failure
;
3012 if (rdev
->ops
->get_channel
) {
3014 struct cfg80211_chan_def chandef
;
3016 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
3018 if (nl80211_send_chandef(msg
, &chandef
))
3019 goto nla_put_failure
;
3023 if (rdev
->ops
->get_tx_power
) {
3026 ret
= rdev_get_tx_power(rdev
, wdev
, &dbm
);
3028 nla_put_u32(msg
, NL80211_ATTR_WIPHY_TX_POWER_LEVEL
,
3030 goto nla_put_failure
;
3034 switch (wdev
->iftype
) {
3035 case NL80211_IFTYPE_AP
:
3036 if (wdev
->ssid_len
&&
3037 nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
3038 goto nla_put_failure_locked
;
3040 case NL80211_IFTYPE_STATION
:
3041 case NL80211_IFTYPE_P2P_CLIENT
:
3042 case NL80211_IFTYPE_ADHOC
: {
3044 if (!wdev
->current_bss
)
3047 ssid_ie
= ieee80211_bss_get_ie(&wdev
->current_bss
->pub
,
3050 nla_put(msg
, NL80211_ATTR_SSID
, ssid_ie
[1], ssid_ie
+ 2))
3051 goto nla_put_failure_rcu_locked
;
3061 if (rdev
->ops
->get_txq_stats
) {
3062 struct cfg80211_txq_stats txqstats
= {};
3063 int ret
= rdev_get_txq_stats(rdev
, wdev
, &txqstats
);
3066 !nl80211_put_txq_stats(msg
, &txqstats
,
3067 NL80211_ATTR_TXQ_STATS
))
3068 goto nla_put_failure
;
3071 genlmsg_end(msg
, hdr
);
3074 nla_put_failure_rcu_locked
:
3076 nla_put_failure_locked
:
3079 genlmsg_cancel(msg
, hdr
);
3083 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
3087 int wp_start
= cb
->args
[0];
3088 int if_start
= cb
->args
[1];
3089 int filter_wiphy
= -1;
3090 struct cfg80211_registered_device
*rdev
;
3091 struct wireless_dev
*wdev
;
3096 struct nl80211_dump_wiphy_state state
= {
3100 ret
= nl80211_dump_wiphy_parse(skb
, cb
, &state
);
3104 filter_wiphy
= state
.filter_wiphy
;
3107 * if filtering, set cb->args[2] to +1 since 0 is the default
3108 * value needed to determine that parsing is necessary.
3110 if (filter_wiphy
>= 0)
3111 cb
->args
[2] = filter_wiphy
+ 1;
3114 } else if (cb
->args
[2] > 0) {
3115 filter_wiphy
= cb
->args
[2] - 1;
3118 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
3119 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
3121 if (wp_idx
< wp_start
) {
3126 if (filter_wiphy
>= 0 && filter_wiphy
!= rdev
->wiphy_idx
)
3131 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3132 if (if_idx
< if_start
) {
3136 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
3137 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3139 NL80211_CMD_NEW_INTERFACE
) < 0) {
3148 cb
->args
[0] = wp_idx
;
3149 cb
->args
[1] = if_idx
;
3158 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3160 struct sk_buff
*msg
;
3161 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3162 struct wireless_dev
*wdev
= info
->user_ptr
[1];
3164 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3168 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3169 rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
) < 0) {
3174 return genlmsg_reply(msg
, info
);
3177 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
3178 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
3179 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
3180 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
3181 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
3182 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
3183 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
3186 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
3188 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
3196 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
, nla
,
3197 mntr_flags_policy
, NULL
))
3200 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
3202 *mntrflags
|= (1<<flag
);
3204 *mntrflags
|= MONITOR_FLAG_CHANGED
;
3209 static int nl80211_parse_mon_options(struct cfg80211_registered_device
*rdev
,
3210 enum nl80211_iftype type
,
3211 struct genl_info
*info
,
3212 struct vif_params
*params
)
3214 bool change
= false;
3217 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
3218 if (type
!= NL80211_IFTYPE_MONITOR
)
3221 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
3229 if (params
->flags
& MONITOR_FLAG_ACTIVE
&&
3230 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
3233 if (info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]) {
3234 const u8
*mumimo_groups
;
3235 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
3237 if (type
!= NL80211_IFTYPE_MONITOR
)
3240 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
3244 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]);
3246 /* bits 0 and 63 are reserved and must be zero */
3247 if ((mumimo_groups
[0] & BIT(0)) ||
3248 (mumimo_groups
[VHT_MUMIMO_GROUPS_DATA_LEN
- 1] & BIT(7)))
3251 params
->vht_mumimo_groups
= mumimo_groups
;
3255 if (info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]) {
3256 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
3258 if (type
!= NL80211_IFTYPE_MONITOR
)
3261 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
3264 params
->vht_mumimo_follow_addr
=
3265 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]);
3269 return change
? 1 : 0;
3272 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
3273 struct net_device
*netdev
, u8 use_4addr
,
3274 enum nl80211_iftype iftype
)
3277 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
3283 case NL80211_IFTYPE_AP_VLAN
:
3284 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
3287 case NL80211_IFTYPE_STATION
:
3288 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
3298 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3300 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3301 struct vif_params params
;
3303 enum nl80211_iftype otype
, ntype
;
3304 struct net_device
*dev
= info
->user_ptr
[1];
3305 bool change
= false;
3307 memset(¶ms
, 0, sizeof(params
));
3309 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
3311 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
3312 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
3317 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
3318 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3320 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
3322 if (netif_running(dev
))
3326 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
3327 IEEE80211_MAX_MESH_ID_LEN
);
3328 wdev
->mesh_id_up_len
=
3329 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
3330 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
3331 wdev
->mesh_id_up_len
);
3335 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
3336 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
3338 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
3342 params
.use_4addr
= -1;
3345 err
= nl80211_parse_mon_options(rdev
, ntype
, info
, ¶ms
);
3352 err
= cfg80211_change_iface(rdev
, dev
, ntype
, ¶ms
);
3356 if (!err
&& params
.use_4addr
!= -1)
3357 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
3359 if (change
&& !err
) {
3360 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3362 nl80211_notify_iface(rdev
, wdev
, NL80211_CMD_SET_INTERFACE
);
3368 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3370 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3371 struct vif_params params
;
3372 struct wireless_dev
*wdev
;
3373 struct sk_buff
*msg
;
3375 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
3377 /* to avoid failing a new interface creation due to pending removal */
3378 cfg80211_destroy_ifaces(rdev
);
3380 memset(¶ms
, 0, sizeof(params
));
3382 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
3385 if (info
->attrs
[NL80211_ATTR_IFTYPE
])
3386 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
3388 if (!rdev
->ops
->add_virtual_intf
||
3389 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
3392 if ((type
== NL80211_IFTYPE_P2P_DEVICE
|| type
== NL80211_IFTYPE_NAN
||
3393 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
3394 info
->attrs
[NL80211_ATTR_MAC
]) {
3395 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
3397 if (!is_valid_ether_addr(params
.macaddr
))
3398 return -EADDRNOTAVAIL
;
3401 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
3402 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
3403 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
3408 err
= nl80211_parse_mon_options(rdev
, type
, info
, ¶ms
);
3412 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3416 wdev
= rdev_add_virtual_intf(rdev
,
3417 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
3418 NET_NAME_USER
, type
, ¶ms
);
3419 if (WARN_ON(!wdev
)) {
3422 } else if (IS_ERR(wdev
)) {
3424 return PTR_ERR(wdev
);
3427 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
3428 wdev
->owner_nlportid
= info
->snd_portid
;
3431 case NL80211_IFTYPE_MESH_POINT
:
3432 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
3435 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
3436 IEEE80211_MAX_MESH_ID_LEN
);
3437 wdev
->mesh_id_up_len
=
3438 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
3439 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
3440 wdev
->mesh_id_up_len
);
3443 case NL80211_IFTYPE_NAN
:
3444 case NL80211_IFTYPE_P2P_DEVICE
:
3446 * P2P Device and NAN do not have a netdev, so don't go
3447 * through the netdev notifier and must be added here
3449 cfg80211_init_wdev(rdev
, wdev
);
3455 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3456 rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
) < 0) {
3461 return genlmsg_reply(msg
, info
);
3464 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3466 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3467 struct wireless_dev
*wdev
= info
->user_ptr
[1];
3469 if (!rdev
->ops
->del_virtual_intf
)
3473 * If we remove a wireless device without a netdev then clear
3474 * user_ptr[1] so that nl80211_post_doit won't dereference it
3475 * to check if it needs to do dev_put(). Otherwise it crashes
3476 * since the wdev has been freed, unlike with a netdev where
3477 * we need the dev_put() for the netdev to really be freed.
3480 info
->user_ptr
[1] = NULL
;
3482 return rdev_del_virtual_intf(rdev
, wdev
);
3485 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
3487 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3488 struct net_device
*dev
= info
->user_ptr
[1];
3491 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
3494 if (!rdev
->ops
->set_noack_map
)
3497 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
3499 return rdev_set_noack_map(rdev
, dev
, noack_map
);
3502 struct get_key_cookie
{
3503 struct sk_buff
*msg
;
3508 static void get_key_callback(void *c
, struct key_params
*params
)
3511 struct get_key_cookie
*cookie
= c
;
3514 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
3515 params
->key_len
, params
->key
)) ||
3517 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
3518 params
->seq_len
, params
->seq
)) ||
3520 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
3522 goto nla_put_failure
;
3524 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
3526 goto nla_put_failure
;
3529 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
3530 params
->key_len
, params
->key
)) ||
3532 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
3533 params
->seq_len
, params
->seq
)) ||
3535 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
3537 goto nla_put_failure
;
3539 if (nla_put_u8(cookie
->msg
, NL80211_KEY_IDX
, cookie
->idx
))
3540 goto nla_put_failure
;
3542 nla_nest_end(cookie
->msg
, key
);
3549 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
3551 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3553 struct net_device
*dev
= info
->user_ptr
[1];
3555 const u8
*mac_addr
= NULL
;
3557 struct get_key_cookie cookie
= {
3561 struct sk_buff
*msg
;
3563 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
3564 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
3566 if (info
->attrs
[NL80211_ATTR_MAC
])
3567 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3569 pairwise
= !!mac_addr
;
3570 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
3571 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
3573 if (kt
!= NL80211_KEYTYPE_GROUP
&&
3574 kt
!= NL80211_KEYTYPE_PAIRWISE
)
3576 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
3579 if (!rdev
->ops
->get_key
)
3582 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3585 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3589 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3590 NL80211_CMD_NEW_KEY
);
3592 goto nla_put_failure
;
3595 cookie
.idx
= key_idx
;
3597 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3598 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3599 goto nla_put_failure
;
3601 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3602 goto nla_put_failure
;
3604 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3611 goto nla_put_failure
;
3613 genlmsg_end(msg
, hdr
);
3614 return genlmsg_reply(msg
, info
);
3623 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3625 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3626 struct key_parse key
;
3628 struct net_device
*dev
= info
->user_ptr
[1];
3630 err
= nl80211_parse_key(info
, &key
);
3637 /* only support setting default key */
3638 if (!key
.def
&& !key
.defmgmt
)
3641 wdev_lock(dev
->ieee80211_ptr
);
3644 if (!rdev
->ops
->set_default_key
) {
3649 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3653 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3654 key
.def_uni
, key
.def_multi
);
3659 #ifdef CONFIG_CFG80211_WEXT
3660 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3663 if (key
.def_uni
|| !key
.def_multi
) {
3668 if (!rdev
->ops
->set_default_mgmt_key
) {
3673 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3677 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3681 #ifdef CONFIG_CFG80211_WEXT
3682 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3687 wdev_unlock(dev
->ieee80211_ptr
);
3692 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3694 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3696 struct net_device
*dev
= info
->user_ptr
[1];
3697 struct key_parse key
;
3698 const u8
*mac_addr
= NULL
;
3700 err
= nl80211_parse_key(info
, &key
);
3707 if (info
->attrs
[NL80211_ATTR_MAC
])
3708 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3710 if (key
.type
== -1) {
3712 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3714 key
.type
= NL80211_KEYTYPE_GROUP
;
3718 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3719 key
.type
!= NL80211_KEYTYPE_GROUP
)
3722 if (!rdev
->ops
->add_key
)
3725 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3726 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3730 wdev_lock(dev
->ieee80211_ptr
);
3731 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3733 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3734 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3736 wdev_unlock(dev
->ieee80211_ptr
);
3741 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3743 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3745 struct net_device
*dev
= info
->user_ptr
[1];
3746 u8
*mac_addr
= NULL
;
3747 struct key_parse key
;
3749 err
= nl80211_parse_key(info
, &key
);
3753 if (info
->attrs
[NL80211_ATTR_MAC
])
3754 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3756 if (key
.type
== -1) {
3758 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3760 key
.type
= NL80211_KEYTYPE_GROUP
;
3764 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3765 key
.type
!= NL80211_KEYTYPE_GROUP
)
3768 if (!rdev
->ops
->del_key
)
3771 wdev_lock(dev
->ieee80211_ptr
);
3772 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3774 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3775 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3779 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3780 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3783 #ifdef CONFIG_CFG80211_WEXT
3785 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3786 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3787 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3788 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3791 wdev_unlock(dev
->ieee80211_ptr
);
3796 /* This function returns an error or the number of nested attributes */
3797 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3799 struct nlattr
*attr
;
3800 int n_entries
= 0, tmp
;
3802 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3803 if (nla_len(attr
) != ETH_ALEN
)
3813 * This function parses ACL information and allocates memory for ACL data.
3814 * On successful return, the calling function is responsible to free the
3815 * ACL buffer returned by this function.
3817 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3818 struct genl_info
*info
)
3820 enum nl80211_acl_policy acl_policy
;
3821 struct nlattr
*attr
;
3822 struct cfg80211_acl_data
*acl
;
3823 int i
= 0, n_entries
, tmp
;
3825 if (!wiphy
->max_acl_mac_addrs
)
3826 return ERR_PTR(-EOPNOTSUPP
);
3828 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3829 return ERR_PTR(-EINVAL
);
3831 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3832 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3833 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3834 return ERR_PTR(-EINVAL
);
3836 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3837 return ERR_PTR(-EINVAL
);
3839 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3841 return ERR_PTR(n_entries
);
3843 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3844 return ERR_PTR(-ENOTSUPP
);
3846 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3849 return ERR_PTR(-ENOMEM
);
3851 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3852 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3856 acl
->n_acl_entries
= n_entries
;
3857 acl
->acl_policy
= acl_policy
;
3862 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3864 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3865 struct net_device
*dev
= info
->user_ptr
[1];
3866 struct cfg80211_acl_data
*acl
;
3869 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3870 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3873 if (!dev
->ieee80211_ptr
->beacon_interval
)
3876 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3878 return PTR_ERR(acl
);
3880 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3887 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
3888 u8
*rates
, u8 rates_len
)
3893 for (i
= 0; i
< rates_len
; i
++) {
3894 int rate
= (rates
[i
] & 0x7f) * 5;
3897 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
3898 struct ieee80211_rate
*srate
=
3899 &sband
->bitrates
[ridx
];
3900 if (rate
== srate
->bitrate
) {
3905 if (ridx
== sband
->n_bitrates
)
3906 return 0; /* rate not found */
3912 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
3913 u8
*rates
, u8 rates_len
,
3914 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
3918 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3920 for (i
= 0; i
< rates_len
; i
++) {
3923 ridx
= rates
[i
] / 8;
3924 rbit
= BIT(rates
[i
] % 8);
3926 /* check validity */
3927 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
3930 /* check availability */
3931 ridx
= array_index_nospec(ridx
, IEEE80211_HT_MCS_MASK_LEN
);
3932 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
3941 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
3945 switch (vht_mcs_map
) {
3946 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
3948 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
3951 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
3954 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
3964 static void vht_build_mcs_mask(u16 vht_mcs_map
,
3965 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
3969 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
3970 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
3975 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
3976 struct nl80211_txrate_vht
*txrate
,
3977 u16 mcs
[NL80211_VHT_NSS_MAX
])
3979 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3980 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
3983 if (!sband
->vht_cap
.vht_supported
)
3986 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
3988 /* Build vht_mcs_mask from VHT capabilities */
3989 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
3991 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3992 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
3993 mcs
[i
] = txrate
->mcs
[i
];
4001 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
4002 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
4003 .len
= NL80211_MAX_SUPP_RATES
},
4004 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
4005 .len
= NL80211_MAX_SUPP_HT_RATES
},
4006 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
4007 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
4010 static int nl80211_parse_tx_bitrate_mask(struct genl_info
*info
,
4011 struct cfg80211_bitrate_mask
*mask
)
4013 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
4014 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4016 struct nlattr
*tx_rates
;
4017 struct ieee80211_supported_band
*sband
;
4020 memset(mask
, 0, sizeof(*mask
));
4021 /* Default to all rates enabled */
4022 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
4023 sband
= rdev
->wiphy
.bands
[i
];
4028 mask
->control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
4029 memcpy(mask
->control
[i
].ht_mcs
,
4030 sband
->ht_cap
.mcs
.rx_mask
,
4031 sizeof(mask
->control
[i
].ht_mcs
));
4033 if (!sband
->vht_cap
.vht_supported
)
4036 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
4037 vht_build_mcs_mask(vht_tx_mcs_map
, mask
->control
[i
].vht_mcs
);
4040 /* if no rates are given set it back to the defaults */
4041 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
4044 /* The nested attribute uses enum nl80211_band as the index. This maps
4045 * directly to the enum nl80211_band values used in cfg80211.
4047 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
4048 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
4049 enum nl80211_band band
= nla_type(tx_rates
);
4052 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
4054 sband
= rdev
->wiphy
.bands
[band
];
4057 err
= nla_parse_nested(tb
, NL80211_TXRATE_MAX
, tx_rates
,
4058 nl80211_txattr_policy
, info
->extack
);
4061 if (tb
[NL80211_TXRATE_LEGACY
]) {
4062 mask
->control
[band
].legacy
= rateset_to_mask(
4064 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
4065 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
4066 if ((mask
->control
[band
].legacy
== 0) &&
4067 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
4070 if (tb
[NL80211_TXRATE_HT
]) {
4071 if (!ht_rateset_to_mask(
4073 nla_data(tb
[NL80211_TXRATE_HT
]),
4074 nla_len(tb
[NL80211_TXRATE_HT
]),
4075 mask
->control
[band
].ht_mcs
))
4078 if (tb
[NL80211_TXRATE_VHT
]) {
4079 if (!vht_set_mcs_mask(
4081 nla_data(tb
[NL80211_TXRATE_VHT
]),
4082 mask
->control
[band
].vht_mcs
))
4085 if (tb
[NL80211_TXRATE_GI
]) {
4086 mask
->control
[band
].gi
=
4087 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
4088 if (mask
->control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
4092 if (mask
->control
[band
].legacy
== 0) {
4093 /* don't allow empty legacy rates if HT or VHT
4094 * are not even supported.
4096 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
4097 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
4100 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
4101 if (mask
->control
[band
].ht_mcs
[i
])
4104 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
4105 if (mask
->control
[band
].vht_mcs
[i
])
4108 /* legacy and mcs rates may not be both empty */
4117 static int validate_beacon_tx_rate(struct cfg80211_registered_device
*rdev
,
4118 enum nl80211_band band
,
4119 struct cfg80211_bitrate_mask
*beacon_rate
)
4121 u32 count_ht
, count_vht
, i
;
4122 u32 rate
= beacon_rate
->control
[band
].legacy
;
4124 /* Allow only one rate */
4125 if (hweight32(rate
) > 1)
4129 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
4130 if (hweight8(beacon_rate
->control
[band
].ht_mcs
[i
]) > 1) {
4132 } else if (beacon_rate
->control
[band
].ht_mcs
[i
]) {
4137 if (count_ht
&& rate
)
4142 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
4143 if (hweight16(beacon_rate
->control
[band
].vht_mcs
[i
]) > 1) {
4145 } else if (beacon_rate
->control
[band
].vht_mcs
[i
]) {
4150 if (count_vht
&& rate
)
4154 if ((count_ht
&& count_vht
) || (!rate
&& !count_ht
&& !count_vht
))
4158 !wiphy_ext_feature_isset(&rdev
->wiphy
,
4159 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY
))
4162 !wiphy_ext_feature_isset(&rdev
->wiphy
,
4163 NL80211_EXT_FEATURE_BEACON_RATE_HT
))
4166 !wiphy_ext_feature_isset(&rdev
->wiphy
,
4167 NL80211_EXT_FEATURE_BEACON_RATE_VHT
))
4173 static int nl80211_parse_beacon(struct cfg80211_registered_device
*rdev
,
4174 struct nlattr
*attrs
[],
4175 struct cfg80211_beacon_data
*bcn
)
4177 bool haveinfo
= false;
4180 memset(bcn
, 0, sizeof(*bcn
));
4182 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
4183 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
4184 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
4190 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
4191 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
4192 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
4199 if (attrs
[NL80211_ATTR_IE
]) {
4200 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
4201 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
4204 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
4205 bcn
->proberesp_ies
=
4206 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
4207 bcn
->proberesp_ies_len
=
4208 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
4211 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
4212 bcn
->assocresp_ies
=
4213 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
4214 bcn
->assocresp_ies_len
=
4215 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
4218 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
4219 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
4220 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
4223 if (attrs
[NL80211_ATTR_FTM_RESPONDER
]) {
4224 struct nlattr
*tb
[NL80211_FTM_RESP_ATTR_MAX
+ 1];
4226 err
= nla_parse_nested(tb
, NL80211_FTM_RESP_ATTR_MAX
,
4227 attrs
[NL80211_ATTR_FTM_RESPONDER
],
4232 if (tb
[NL80211_FTM_RESP_ATTR_ENABLED
] &&
4233 wiphy_ext_feature_isset(&rdev
->wiphy
,
4234 NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER
))
4235 bcn
->ftm_responder
= 1;
4239 if (tb
[NL80211_FTM_RESP_ATTR_LCI
]) {
4240 bcn
->lci
= nla_data(tb
[NL80211_FTM_RESP_ATTR_LCI
]);
4241 bcn
->lci_len
= nla_len(tb
[NL80211_FTM_RESP_ATTR_LCI
]);
4244 if (tb
[NL80211_FTM_RESP_ATTR_CIVICLOC
]) {
4245 bcn
->civicloc
= nla_data(tb
[NL80211_FTM_RESP_ATTR_CIVICLOC
]);
4246 bcn
->civicloc_len
= nla_len(tb
[NL80211_FTM_RESP_ATTR_CIVICLOC
]);
4249 bcn
->ftm_responder
= -1;
4255 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings
*params
,
4263 for (i
= 0; i
< rates
[1]; i
++) {
4264 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_HT_PHY
)
4265 params
->ht_required
= true;
4266 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY
)
4267 params
->vht_required
= true;
4272 * Since the nl80211 API didn't include, from the beginning, attributes about
4273 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
4274 * benefit of drivers that rebuild IEs in the firmware.
4276 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings
*params
)
4278 const struct cfg80211_beacon_data
*bcn
= ¶ms
->beacon
;
4279 size_t ies_len
= bcn
->tail_len
;
4280 const u8
*ies
= bcn
->tail
;
4284 rates
= cfg80211_find_ie(WLAN_EID_SUPP_RATES
, ies
, ies_len
);
4285 nl80211_check_ap_rate_selectors(params
, rates
);
4287 rates
= cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES
, ies
, ies_len
);
4288 nl80211_check_ap_rate_selectors(params
, rates
);
4290 cap
= cfg80211_find_ie(WLAN_EID_HT_CAPABILITY
, ies
, ies_len
);
4291 if (cap
&& cap
[1] >= sizeof(*params
->ht_cap
))
4292 params
->ht_cap
= (void *)(cap
+ 2);
4293 cap
= cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY
, ies
, ies_len
);
4294 if (cap
&& cap
[1] >= sizeof(*params
->vht_cap
))
4295 params
->vht_cap
= (void *)(cap
+ 2);
4296 cap
= cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY
, ies
, ies_len
);
4297 if (cap
&& cap
[1] >= sizeof(*params
->he_cap
) + 1)
4298 params
->he_cap
= (void *)(cap
+ 3);
4301 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
4302 struct cfg80211_ap_settings
*params
)
4304 struct wireless_dev
*wdev
;
4307 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
4308 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
4309 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4312 if (!wdev
->preset_chandef
.chan
)
4315 params
->chandef
= wdev
->preset_chandef
;
4323 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
4324 enum nl80211_auth_type auth_type
,
4325 enum nl80211_commands cmd
)
4327 if (auth_type
> NL80211_AUTHTYPE_MAX
)
4331 case NL80211_CMD_AUTHENTICATE
:
4332 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
4333 auth_type
== NL80211_AUTHTYPE_SAE
)
4335 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
4336 NL80211_EXT_FEATURE_FILS_STA
) &&
4337 (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
4338 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
4339 auth_type
== NL80211_AUTHTYPE_FILS_PK
))
4342 case NL80211_CMD_CONNECT
:
4343 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
4344 auth_type
== NL80211_AUTHTYPE_SAE
)
4347 /* FILS with SK PFS or PK not supported yet */
4348 if (auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
4349 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
4351 if (!wiphy_ext_feature_isset(
4353 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
4354 auth_type
== NL80211_AUTHTYPE_FILS_SK
)
4357 case NL80211_CMD_START_AP
:
4358 /* SAE not supported yet */
4359 if (auth_type
== NL80211_AUTHTYPE_SAE
)
4361 /* FILS not supported yet */
4362 if (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
4363 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
4364 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
4372 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
4374 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4375 struct net_device
*dev
= info
->user_ptr
[1];
4376 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4377 struct cfg80211_ap_settings params
;
4380 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4381 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4384 if (!rdev
->ops
->start_ap
)
4387 if (wdev
->beacon_interval
)
4390 memset(¶ms
, 0, sizeof(params
));
4392 /* these are required for START_AP */
4393 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
4394 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
4395 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
4398 err
= nl80211_parse_beacon(rdev
, info
->attrs
, ¶ms
.beacon
);
4402 params
.beacon_interval
=
4403 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
4404 params
.dtim_period
=
4405 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
4407 err
= cfg80211_validate_beacon_int(rdev
, dev
->ieee80211_ptr
->iftype
,
4408 params
.beacon_interval
);
4413 * In theory, some of these attributes should be required here
4414 * but since they were not used when the command was originally
4415 * added, keep them optional for old user space programs to let
4416 * them continue to work with drivers that do not need the
4417 * additional information -- drivers must check!
4419 if (info
->attrs
[NL80211_ATTR_SSID
]) {
4420 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4422 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4423 if (params
.ssid_len
== 0 ||
4424 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
4428 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
])
4429 params
.hidden_ssid
= nla_get_u32(
4430 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
4432 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
4434 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
4435 params
.auth_type
= nla_get_u32(
4436 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
4437 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
4438 NL80211_CMD_START_AP
))
4441 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
4443 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
4444 NL80211_MAX_NR_CIPHER_SUITES
);
4448 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
4449 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
4451 params
.inactivity_timeout
= nla_get_u16(
4452 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
4455 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4456 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4458 params
.p2p_ctwindow
=
4459 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4460 if (params
.p2p_ctwindow
!= 0 &&
4461 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4465 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4468 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4470 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4471 params
.p2p_opp_ps
= tmp
;
4472 if (params
.p2p_opp_ps
!= 0 &&
4473 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4477 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4478 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
4481 } else if (wdev
->preset_chandef
.chan
) {
4482 params
.chandef
= wdev
->preset_chandef
;
4483 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
4486 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
4490 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
4491 err
= nl80211_parse_tx_bitrate_mask(info
, ¶ms
.beacon_rate
);
4495 err
= validate_beacon_tx_rate(rdev
, params
.chandef
.chan
->band
,
4496 ¶ms
.beacon_rate
);
4501 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
4503 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
4504 switch (params
.smps_mode
) {
4505 case NL80211_SMPS_OFF
:
4507 case NL80211_SMPS_STATIC
:
4508 if (!(rdev
->wiphy
.features
&
4509 NL80211_FEATURE_STATIC_SMPS
))
4512 case NL80211_SMPS_DYNAMIC
:
4513 if (!(rdev
->wiphy
.features
&
4514 NL80211_FEATURE_DYNAMIC_SMPS
))
4521 params
.smps_mode
= NL80211_SMPS_OFF
;
4524 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
4525 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
4528 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
4529 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
4530 if (IS_ERR(params
.acl
))
4531 return PTR_ERR(params
.acl
);
4534 nl80211_calculate_ap_params(¶ms
);
4536 if (info
->attrs
[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT
])
4537 params
.flags
|= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT
;
4540 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
4542 wdev
->preset_chandef
= params
.chandef
;
4543 wdev
->beacon_interval
= params
.beacon_interval
;
4544 wdev
->chandef
= params
.chandef
;
4545 wdev
->ssid_len
= params
.ssid_len
;
4546 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
4548 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
4549 wdev
->conn_owner_nlportid
= info
->snd_portid
;
4558 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
4560 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4561 struct net_device
*dev
= info
->user_ptr
[1];
4562 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4563 struct cfg80211_beacon_data params
;
4566 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4567 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4570 if (!rdev
->ops
->change_beacon
)
4573 if (!wdev
->beacon_interval
)
4576 err
= nl80211_parse_beacon(rdev
, info
->attrs
, ¶ms
);
4581 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
4587 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
4589 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4590 struct net_device
*dev
= info
->user_ptr
[1];
4592 return cfg80211_stop_ap(rdev
, dev
, false);
4595 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
4596 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
4597 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
4598 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
4599 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
4600 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
4601 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
4604 static int parse_station_flags(struct genl_info
*info
,
4605 enum nl80211_iftype iftype
,
4606 struct station_parameters
*params
)
4608 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
4613 * Try parsing the new attribute first so userspace
4614 * can specify both for older kernels.
4616 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
4618 struct nl80211_sta_flag_update
*sta_flags
;
4620 sta_flags
= nla_data(nla
);
4621 params
->sta_flags_mask
= sta_flags
->mask
;
4622 params
->sta_flags_set
= sta_flags
->set
;
4623 params
->sta_flags_set
&= params
->sta_flags_mask
;
4624 if ((params
->sta_flags_mask
|
4625 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
4630 /* if present, parse the old attribute */
4632 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
4636 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
, nla
,
4637 sta_flags_policy
, info
->extack
))
4641 * Only allow certain flags for interface types so that
4642 * other attributes are silently ignored. Remember that
4643 * this is backward compatibility code with old userspace
4644 * and shouldn't be hit in other cases anyway.
4647 case NL80211_IFTYPE_AP
:
4648 case NL80211_IFTYPE_AP_VLAN
:
4649 case NL80211_IFTYPE_P2P_GO
:
4650 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4651 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4652 BIT(NL80211_STA_FLAG_WME
) |
4653 BIT(NL80211_STA_FLAG_MFP
);
4655 case NL80211_IFTYPE_P2P_CLIENT
:
4656 case NL80211_IFTYPE_STATION
:
4657 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4658 BIT(NL80211_STA_FLAG_TDLS_PEER
);
4660 case NL80211_IFTYPE_MESH_POINT
:
4661 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4662 BIT(NL80211_STA_FLAG_MFP
) |
4663 BIT(NL80211_STA_FLAG_AUTHORIZED
);
4669 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
4671 params
->sta_flags_set
|= (1<<flag
);
4673 /* no longer support new API additions in old API */
4674 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
4682 bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
, int attr
)
4684 struct nlattr
*rate
;
4687 enum nl80211_rate_info rate_flg
;
4689 rate
= nla_nest_start(msg
, attr
);
4693 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4694 bitrate
= cfg80211_calculate_bitrate(info
);
4695 /* report 16-bit bitrate only if we can */
4696 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
4698 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
4700 if (bitrate_compat
> 0 &&
4701 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
4705 case RATE_INFO_BW_5
:
4706 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
4708 case RATE_INFO_BW_10
:
4709 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
4714 case RATE_INFO_BW_20
:
4717 case RATE_INFO_BW_40
:
4718 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
4720 case RATE_INFO_BW_80
:
4721 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
4723 case RATE_INFO_BW_160
:
4724 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
4726 case RATE_INFO_BW_HE_RU
:
4728 WARN_ON(!(info
->flags
& RATE_INFO_FLAGS_HE_MCS
));
4731 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
4734 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
4735 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
4737 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4738 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4740 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
4741 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
4743 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
4745 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4746 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4748 } else if (info
->flags
& RATE_INFO_FLAGS_HE_MCS
) {
4749 if (nla_put_u8(msg
, NL80211_RATE_INFO_HE_MCS
, info
->mcs
))
4751 if (nla_put_u8(msg
, NL80211_RATE_INFO_HE_NSS
, info
->nss
))
4753 if (nla_put_u8(msg
, NL80211_RATE_INFO_HE_GI
, info
->he_gi
))
4755 if (nla_put_u8(msg
, NL80211_RATE_INFO_HE_DCM
, info
->he_dcm
))
4757 if (info
->bw
== RATE_INFO_BW_HE_RU
&&
4758 nla_put_u8(msg
, NL80211_RATE_INFO_HE_RU_ALLOC
,
4763 nla_nest_end(msg
, rate
);
4767 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
4776 attr
= nla_nest_start(msg
, id
);
4780 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
4781 if (!(mask
& BIT(i
)))
4784 if (nla_put_u8(msg
, i
, signal
[i
]))
4788 nla_nest_end(msg
, attr
);
4793 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
4795 struct cfg80211_registered_device
*rdev
,
4796 struct net_device
*dev
,
4797 const u8
*mac_addr
, struct station_info
*sinfo
)
4800 struct nlattr
*sinfoattr
, *bss_param
;
4802 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
4806 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4807 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
4808 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
4809 goto nla_put_failure
;
4811 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
4813 goto nla_put_failure
;
4815 #define PUT_SINFO(attr, memb, type) do { \
4816 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4817 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4818 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4820 goto nla_put_failure; \
4822 #define PUT_SINFO_U64(attr, memb) do { \
4823 if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \
4824 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4825 sinfo->memb, NL80211_STA_INFO_PAD)) \
4826 goto nla_put_failure; \
4829 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
4830 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
4832 if (sinfo
->filled
& (BIT_ULL(NL80211_STA_INFO_RX_BYTES
) |
4833 BIT_ULL(NL80211_STA_INFO_RX_BYTES64
)) &&
4834 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
4835 (u32
)sinfo
->rx_bytes
))
4836 goto nla_put_failure
;
4838 if (sinfo
->filled
& (BIT_ULL(NL80211_STA_INFO_TX_BYTES
) |
4839 BIT_ULL(NL80211_STA_INFO_TX_BYTES64
)) &&
4840 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
4841 (u32
)sinfo
->tx_bytes
))
4842 goto nla_put_failure
;
4844 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
4845 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
4846 PUT_SINFO(LLID
, llid
, u16
);
4847 PUT_SINFO(PLID
, plid
, u16
);
4848 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
4849 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
4850 PUT_SINFO_U64(TX_DURATION
, tx_duration
);
4852 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
4853 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS
))
4854 PUT_SINFO(AIRTIME_WEIGHT
, airtime_weight
, u16
);
4856 switch (rdev
->wiphy
.signal_type
) {
4857 case CFG80211_SIGNAL_TYPE_MBM
:
4858 PUT_SINFO(SIGNAL
, signal
, u8
);
4859 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
4864 if (sinfo
->filled
& BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
4865 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4866 sinfo
->chain_signal
,
4867 NL80211_STA_INFO_CHAIN_SIGNAL
))
4868 goto nla_put_failure
;
4870 if (sinfo
->filled
& BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
4871 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4872 sinfo
->chain_signal_avg
,
4873 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
4874 goto nla_put_failure
;
4876 if (sinfo
->filled
& BIT_ULL(NL80211_STA_INFO_TX_BITRATE
)) {
4877 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
4878 NL80211_STA_INFO_TX_BITRATE
))
4879 goto nla_put_failure
;
4881 if (sinfo
->filled
& BIT_ULL(NL80211_STA_INFO_RX_BITRATE
)) {
4882 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
4883 NL80211_STA_INFO_RX_BITRATE
))
4884 goto nla_put_failure
;
4887 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
4888 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
4889 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
4890 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
4891 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
4892 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
4893 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
4894 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
4895 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
4896 PUT_SINFO(CONNECTED_TO_GATE
, connected_to_gate
, u8
);
4898 if (sinfo
->filled
& BIT_ULL(NL80211_STA_INFO_BSS_PARAM
)) {
4899 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
4901 goto nla_put_failure
;
4903 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
4904 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
4905 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
4906 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
4907 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
4908 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
4909 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
4910 sinfo
->bss_param
.dtim_period
) ||
4911 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
4912 sinfo
->bss_param
.beacon_interval
))
4913 goto nla_put_failure
;
4915 nla_nest_end(msg
, bss_param
);
4917 if ((sinfo
->filled
& BIT_ULL(NL80211_STA_INFO_STA_FLAGS
)) &&
4918 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
4919 sizeof(struct nl80211_sta_flag_update
),
4921 goto nla_put_failure
;
4923 PUT_SINFO_U64(T_OFFSET
, t_offset
);
4924 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
4925 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
4926 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
4927 PUT_SINFO(RX_MPDUS
, rx_mpdu_count
, u32
);
4928 PUT_SINFO(FCS_ERROR_COUNT
, fcs_err_count
, u32
);
4929 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
4930 NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT
)) {
4931 PUT_SINFO(ACK_SIGNAL
, ack_signal
, u8
);
4932 PUT_SINFO(ACK_SIGNAL_AVG
, avg_ack_signal
, s8
);
4936 #undef PUT_SINFO_U64
4938 if (sinfo
->pertid
) {
4939 struct nlattr
*tidsattr
;
4942 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
4944 goto nla_put_failure
;
4946 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
4947 struct cfg80211_tid_stats
*tidstats
;
4948 struct nlattr
*tidattr
;
4950 tidstats
= &sinfo
->pertid
[tid
];
4952 if (!tidstats
->filled
)
4955 tidattr
= nla_nest_start(msg
, tid
+ 1);
4957 goto nla_put_failure
;
4959 #define PUT_TIDVAL_U64(attr, memb) do { \
4960 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4961 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4962 tidstats->memb, NL80211_TID_STATS_PAD)) \
4963 goto nla_put_failure; \
4966 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
4967 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
4968 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
4969 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
4971 #undef PUT_TIDVAL_U64
4972 if ((tidstats
->filled
&
4973 BIT(NL80211_TID_STATS_TXQ_STATS
)) &&
4974 !nl80211_put_txq_stats(msg
, &tidstats
->txq_stats
,
4975 NL80211_TID_STATS_TXQ_STATS
))
4976 goto nla_put_failure
;
4978 nla_nest_end(msg
, tidattr
);
4981 nla_nest_end(msg
, tidsattr
);
4984 nla_nest_end(msg
, sinfoattr
);
4986 if (sinfo
->assoc_req_ies_len
&&
4987 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
4988 sinfo
->assoc_req_ies
))
4989 goto nla_put_failure
;
4991 cfg80211_sinfo_release_content(sinfo
);
4992 genlmsg_end(msg
, hdr
);
4996 cfg80211_sinfo_release_content(sinfo
);
4997 genlmsg_cancel(msg
, hdr
);
5001 static int nl80211_dump_station(struct sk_buff
*skb
,
5002 struct netlink_callback
*cb
)
5004 struct station_info sinfo
;
5005 struct cfg80211_registered_device
*rdev
;
5006 struct wireless_dev
*wdev
;
5007 u8 mac_addr
[ETH_ALEN
];
5008 int sta_idx
= cb
->args
[2];
5012 err
= nl80211_prepare_wdev_dump(cb
, &rdev
, &wdev
);
5016 if (!wdev
->netdev
) {
5021 if (!rdev
->ops
->dump_station
) {
5027 memset(&sinfo
, 0, sizeof(sinfo
));
5028 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
5035 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
5036 NETLINK_CB(cb
->skb
).portid
,
5037 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5038 rdev
, wdev
->netdev
, mac_addr
,
5046 cb
->args
[2] = sta_idx
;
5054 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
5056 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5057 struct net_device
*dev
= info
->user_ptr
[1];
5058 struct station_info sinfo
;
5059 struct sk_buff
*msg
;
5060 u8
*mac_addr
= NULL
;
5063 memset(&sinfo
, 0, sizeof(sinfo
));
5065 if (!info
->attrs
[NL80211_ATTR_MAC
])
5068 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5070 if (!rdev
->ops
->get_station
)
5073 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
5077 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5079 cfg80211_sinfo_release_content(&sinfo
);
5083 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
5084 info
->snd_portid
, info
->snd_seq
, 0,
5085 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
5090 return genlmsg_reply(msg
, info
);
5093 int cfg80211_check_station_change(struct wiphy
*wiphy
,
5094 struct station_parameters
*params
,
5095 enum cfg80211_station_type statype
)
5097 if (params
->listen_interval
!= -1 &&
5098 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
5101 if (params
->support_p2p_ps
!= -1 &&
5102 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
5106 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
5107 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
5110 /* When you run into this, adjust the code below for the new flag */
5111 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
5114 case CFG80211_STA_MESH_PEER_KERNEL
:
5115 case CFG80211_STA_MESH_PEER_USER
:
5117 * No ignoring the TDLS flag here -- the userspace mesh
5118 * code doesn't have the bug of including TDLS in the
5121 if (params
->sta_flags_mask
&
5122 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5123 BIT(NL80211_STA_FLAG_MFP
) |
5124 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
5127 case CFG80211_STA_TDLS_PEER_SETUP
:
5128 case CFG80211_STA_TDLS_PEER_ACTIVE
:
5129 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
5131 /* ignore since it can't change */
5132 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5135 /* disallow mesh-specific things */
5136 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
5138 if (params
->local_pm
)
5140 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
5144 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
5145 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
5146 /* TDLS can't be set, ... */
5147 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
5150 * ... but don't bother the driver with it. This works around
5151 * a hostapd/wpa_supplicant issue -- it always includes the
5152 * TLDS_PEER flag in the mask even for AP mode.
5154 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5157 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
5158 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
5159 /* reject other things that can't change */
5160 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
5162 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
5164 if (params
->supported_rates
)
5166 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
||
5171 if (statype
!= CFG80211_STA_AP_CLIENT
&&
5172 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
5178 case CFG80211_STA_AP_MLME_CLIENT
:
5179 /* Use this only for authorizing/unauthorizing a station */
5180 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
5183 case CFG80211_STA_AP_CLIENT
:
5184 case CFG80211_STA_AP_CLIENT_UNASSOC
:
5185 /* accept only the listed bits */
5186 if (params
->sta_flags_mask
&
5187 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
5188 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5189 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
5190 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
5191 BIT(NL80211_STA_FLAG_WME
) |
5192 BIT(NL80211_STA_FLAG_MFP
)))
5195 /* but authenticated/associated only if driver handles it */
5196 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
5197 params
->sta_flags_mask
&
5198 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5199 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
5202 case CFG80211_STA_IBSS
:
5203 case CFG80211_STA_AP_STA
:
5204 /* reject any changes other than AUTHORIZED */
5205 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
5208 case CFG80211_STA_TDLS_PEER_SETUP
:
5209 /* reject any changes other than AUTHORIZED or WME */
5210 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
5211 BIT(NL80211_STA_FLAG_WME
)))
5213 /* force (at least) rates when authorizing */
5214 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
5215 !params
->supported_rates
)
5218 case CFG80211_STA_TDLS_PEER_ACTIVE
:
5219 /* reject any changes */
5221 case CFG80211_STA_MESH_PEER_KERNEL
:
5222 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
5225 case CFG80211_STA_MESH_PEER_USER
:
5226 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
5227 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
5233 * Older kernel versions ignored this attribute entirely, so don't
5234 * reject attempts to update it but mark it as unused instead so the
5235 * driver won't look at the data.
5237 if (statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
&&
5238 statype
!= CFG80211_STA_TDLS_PEER_SETUP
)
5239 params
->opmode_notif_used
= false;
5243 EXPORT_SYMBOL(cfg80211_check_station_change
);
5246 * Get vlan interface making sure it is running and on the right wiphy.
5248 static struct net_device
*get_vlan(struct genl_info
*info
,
5249 struct cfg80211_registered_device
*rdev
)
5251 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
5252 struct net_device
*v
;
5258 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
5260 return ERR_PTR(-ENODEV
);
5262 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
5267 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5268 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5269 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
5274 if (!netif_running(v
)) {
5282 return ERR_PTR(ret
);
5285 static const struct nla_policy
5286 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
5287 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
5288 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
5291 static int nl80211_parse_sta_wme(struct genl_info
*info
,
5292 struct station_parameters
*params
)
5294 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
5298 /* parse WME attributes if present */
5299 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
5302 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
5303 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
5304 nl80211_sta_wme_policy
, info
->extack
);
5308 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
5309 params
->uapsd_queues
= nla_get_u8(
5310 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
5311 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
5314 if (tb
[NL80211_STA_WME_MAX_SP
])
5315 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
5317 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
5320 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
5325 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
5326 struct station_parameters
*params
)
5328 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
5329 params
->supported_channels
=
5330 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
5331 params
->supported_channels_len
=
5332 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
5334 * Need to include at least one (first channel, number of
5335 * channels) tuple for each subband, and must have proper
5336 * tuples for the rest of the data as well.
5338 if (params
->supported_channels_len
< 2)
5340 if (params
->supported_channels_len
% 2)
5344 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
5345 params
->supported_oper_classes
=
5346 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
5347 params
->supported_oper_classes_len
=
5348 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
5350 * The value of the Length field of the Supported Operating
5351 * Classes element is between 2 and 253.
5353 if (params
->supported_oper_classes_len
< 2 ||
5354 params
->supported_oper_classes_len
> 253)
5360 static int nl80211_set_station_tdls(struct genl_info
*info
,
5361 struct station_parameters
*params
)
5364 /* Dummy STA entry gets updated once the peer capabilities are known */
5365 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
5366 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
5367 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
5369 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5370 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
5372 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
5373 if (info
->attrs
[NL80211_ATTR_HE_CAPABILITY
]) {
5375 nla_data(info
->attrs
[NL80211_ATTR_HE_CAPABILITY
]);
5376 params
->he_capa_len
=
5377 nla_len(info
->attrs
[NL80211_ATTR_HE_CAPABILITY
]);
5379 if (params
->he_capa_len
< NL80211_HE_MIN_CAPABILITY_LEN
)
5383 err
= nl80211_parse_sta_channel_info(info
, params
);
5387 return nl80211_parse_sta_wme(info
, params
);
5390 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
5392 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5393 struct net_device
*dev
= info
->user_ptr
[1];
5394 struct station_parameters params
;
5398 memset(¶ms
, 0, sizeof(params
));
5400 if (!rdev
->ops
->change_station
)
5404 * AID and listen_interval properties can be set only for unassociated
5405 * station. Include these parameters here and will check them in
5406 * cfg80211_check_station_change().
5408 if (info
->attrs
[NL80211_ATTR_STA_AID
])
5409 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
5411 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
5412 params
.listen_interval
=
5413 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
5415 params
.listen_interval
= -1;
5417 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
])
5418 params
.support_p2p_ps
=
5419 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
5421 params
.support_p2p_ps
= -1;
5423 if (!info
->attrs
[NL80211_ATTR_MAC
])
5426 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5428 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
5429 params
.supported_rates
=
5430 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5431 params
.supported_rates_len
=
5432 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5435 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
5437 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
5438 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
5441 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
5443 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5444 params
.ext_capab_len
=
5445 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5448 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
5451 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
5452 params
.plink_action
=
5453 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
5455 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
5456 params
.plink_state
=
5457 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
5458 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
])
5459 params
.peer_aid
= nla_get_u16(
5460 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
5461 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
5464 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
])
5465 params
.local_pm
= nla_get_u32(
5466 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
5468 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
5469 params
.opmode_notif_used
= true;
5470 params
.opmode_notif
=
5471 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5474 if (info
->attrs
[NL80211_ATTR_AIRTIME_WEIGHT
])
5475 params
.airtime_weight
=
5476 nla_get_u16(info
->attrs
[NL80211_ATTR_AIRTIME_WEIGHT
]);
5478 if (params
.airtime_weight
&&
5479 !wiphy_ext_feature_isset(&rdev
->wiphy
,
5480 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS
))
5483 /* Include parameters for TDLS peer (will check later) */
5484 err
= nl80211_set_station_tdls(info
, ¶ms
);
5488 params
.vlan
= get_vlan(info
, rdev
);
5489 if (IS_ERR(params
.vlan
))
5490 return PTR_ERR(params
.vlan
);
5492 switch (dev
->ieee80211_ptr
->iftype
) {
5493 case NL80211_IFTYPE_AP
:
5494 case NL80211_IFTYPE_AP_VLAN
:
5495 case NL80211_IFTYPE_P2P_GO
:
5496 case NL80211_IFTYPE_P2P_CLIENT
:
5497 case NL80211_IFTYPE_STATION
:
5498 case NL80211_IFTYPE_ADHOC
:
5499 case NL80211_IFTYPE_MESH_POINT
:
5506 /* driver will call cfg80211_check_station_change() */
5507 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
5511 dev_put(params
.vlan
);
5516 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
5518 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5520 struct net_device
*dev
= info
->user_ptr
[1];
5521 struct station_parameters params
;
5522 u8
*mac_addr
= NULL
;
5523 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5524 BIT(NL80211_STA_FLAG_ASSOCIATED
);
5526 memset(¶ms
, 0, sizeof(params
));
5528 if (!rdev
->ops
->add_station
)
5531 if (!info
->attrs
[NL80211_ATTR_MAC
])
5534 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
5537 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
5540 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
5541 !info
->attrs
[NL80211_ATTR_PEER_AID
])
5544 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5545 params
.supported_rates
=
5546 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5547 params
.supported_rates_len
=
5548 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5549 params
.listen_interval
=
5550 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
5552 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
5553 params
.support_p2p_ps
=
5554 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
5557 * if not specified, assume it's supported for P2P GO interface,
5558 * and is NOT supported for AP interface
5560 params
.support_p2p_ps
=
5561 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
5564 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
5565 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
5567 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
5569 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
5571 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
5572 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
5575 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
5577 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5578 params
.ext_capab_len
=
5579 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5582 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
5584 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5586 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
5588 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
5590 if (info
->attrs
[NL80211_ATTR_HE_CAPABILITY
]) {
5592 nla_data(info
->attrs
[NL80211_ATTR_HE_CAPABILITY
]);
5593 params
.he_capa_len
=
5594 nla_len(info
->attrs
[NL80211_ATTR_HE_CAPABILITY
]);
5596 /* max len is validated in nla policy */
5597 if (params
.he_capa_len
< NL80211_HE_MIN_CAPABILITY_LEN
)
5601 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
5602 params
.opmode_notif_used
= true;
5603 params
.opmode_notif
=
5604 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5607 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
5608 params
.plink_action
=
5609 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
5611 if (info
->attrs
[NL80211_ATTR_AIRTIME_WEIGHT
])
5612 params
.airtime_weight
=
5613 nla_get_u16(info
->attrs
[NL80211_ATTR_AIRTIME_WEIGHT
]);
5615 if (params
.airtime_weight
&&
5616 !wiphy_ext_feature_isset(&rdev
->wiphy
,
5617 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS
))
5620 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
5624 err
= nl80211_parse_sta_wme(info
, ¶ms
);
5628 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
5631 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5632 * as userspace might just pass through the capabilities from the IEs
5633 * directly, rather than enforcing this restriction and returning an
5634 * error in this case.
5636 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
5637 params
.ht_capa
= NULL
;
5638 params
.vht_capa
= NULL
;
5640 /* HE requires WME */
5641 if (params
.he_capa_len
)
5645 /* When you run into this, adjust the code below for the new flag */
5646 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
5648 switch (dev
->ieee80211_ptr
->iftype
) {
5649 case NL80211_IFTYPE_AP
:
5650 case NL80211_IFTYPE_AP_VLAN
:
5651 case NL80211_IFTYPE_P2P_GO
:
5652 /* ignore WME attributes if iface/sta is not capable */
5653 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
5654 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
5655 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5657 /* TDLS peers cannot be added */
5658 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5659 info
->attrs
[NL80211_ATTR_PEER_AID
])
5661 /* but don't bother the driver with it */
5662 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5664 /* allow authenticated/associated only if driver handles it */
5665 if (!(rdev
->wiphy
.features
&
5666 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
5667 params
.sta_flags_mask
& auth_assoc
)
5670 /* Older userspace, or userspace wanting to be compatible with
5671 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5672 * and assoc flags in the mask, but assumes the station will be
5673 * added as associated anyway since this was the required driver
5674 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5676 * In order to not bother drivers with this quirk in the API
5677 * set the flags in both the mask and set for new stations in
5680 if (!(params
.sta_flags_mask
& auth_assoc
)) {
5681 params
.sta_flags_mask
|= auth_assoc
;
5682 params
.sta_flags_set
|= auth_assoc
;
5685 /* must be last in here for error handling */
5686 params
.vlan
= get_vlan(info
, rdev
);
5687 if (IS_ERR(params
.vlan
))
5688 return PTR_ERR(params
.vlan
);
5690 case NL80211_IFTYPE_MESH_POINT
:
5691 /* ignore uAPSD data */
5692 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5694 /* associated is disallowed */
5695 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
5697 /* TDLS peers cannot be added */
5698 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5699 info
->attrs
[NL80211_ATTR_PEER_AID
])
5702 case NL80211_IFTYPE_STATION
:
5703 case NL80211_IFTYPE_P2P_CLIENT
:
5704 /* ignore uAPSD data */
5705 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5707 /* these are disallowed */
5708 if (params
.sta_flags_mask
&
5709 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
5710 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
5712 /* Only TDLS peers can be added */
5713 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
5715 /* Can only add if TDLS ... */
5716 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
5718 /* ... with external setup is supported */
5719 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
5722 * Older wpa_supplicant versions always mark the TDLS peer
5723 * as authorized, but it shouldn't yet be.
5725 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
5731 /* be aware of params.vlan when changing code here */
5733 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
5736 dev_put(params
.vlan
);
5740 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
5742 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5743 struct net_device
*dev
= info
->user_ptr
[1];
5744 struct station_del_parameters params
;
5746 memset(¶ms
, 0, sizeof(params
));
5748 if (info
->attrs
[NL80211_ATTR_MAC
])
5749 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5751 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5752 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5753 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5754 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5757 if (!rdev
->ops
->del_station
)
5760 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
5762 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
5763 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
5764 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
5767 /* Default to Deauthentication frame */
5768 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
5771 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
5772 params
.reason_code
=
5773 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5774 if (params
.reason_code
== 0)
5775 return -EINVAL
; /* 0 is reserved */
5777 /* Default to reason code 2 */
5778 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
5781 return rdev_del_station(rdev
, dev
, ¶ms
);
5784 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5785 int flags
, struct net_device
*dev
,
5786 u8
*dst
, u8
*next_hop
,
5787 struct mpath_info
*pinfo
)
5790 struct nlattr
*pinfoattr
;
5792 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
5796 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5797 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
5798 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
5799 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
5800 goto nla_put_failure
;
5802 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
5804 goto nla_put_failure
;
5805 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
5806 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
5808 goto nla_put_failure
;
5809 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
5810 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
5811 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
5812 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
5814 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
5815 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
5817 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
5818 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
5820 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
5821 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
5822 pinfo
->discovery_timeout
)) ||
5823 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
5824 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
5825 pinfo
->discovery_retries
)) ||
5826 ((pinfo
->filled
& MPATH_INFO_HOP_COUNT
) &&
5827 nla_put_u8(msg
, NL80211_MPATH_INFO_HOP_COUNT
,
5828 pinfo
->hop_count
)) ||
5829 ((pinfo
->filled
& MPATH_INFO_PATH_CHANGE
) &&
5830 nla_put_u32(msg
, NL80211_MPATH_INFO_PATH_CHANGE
,
5831 pinfo
->path_change_count
)))
5832 goto nla_put_failure
;
5834 nla_nest_end(msg
, pinfoattr
);
5836 genlmsg_end(msg
, hdr
);
5840 genlmsg_cancel(msg
, hdr
);
5844 static int nl80211_dump_mpath(struct sk_buff
*skb
,
5845 struct netlink_callback
*cb
)
5847 struct mpath_info pinfo
;
5848 struct cfg80211_registered_device
*rdev
;
5849 struct wireless_dev
*wdev
;
5851 u8 next_hop
[ETH_ALEN
];
5852 int path_idx
= cb
->args
[2];
5856 err
= nl80211_prepare_wdev_dump(cb
, &rdev
, &wdev
);
5860 if (!rdev
->ops
->dump_mpath
) {
5865 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5871 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
5878 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5879 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5880 wdev
->netdev
, dst
, next_hop
,
5888 cb
->args
[2] = path_idx
;
5895 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5897 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5899 struct net_device
*dev
= info
->user_ptr
[1];
5900 struct mpath_info pinfo
;
5901 struct sk_buff
*msg
;
5903 u8 next_hop
[ETH_ALEN
];
5905 memset(&pinfo
, 0, sizeof(pinfo
));
5907 if (!info
->attrs
[NL80211_ATTR_MAC
])
5910 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5912 if (!rdev
->ops
->get_mpath
)
5915 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5918 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
5922 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5926 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5927 dev
, dst
, next_hop
, &pinfo
) < 0) {
5932 return genlmsg_reply(msg
, info
);
5935 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5937 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5938 struct net_device
*dev
= info
->user_ptr
[1];
5940 u8
*next_hop
= NULL
;
5942 if (!info
->attrs
[NL80211_ATTR_MAC
])
5945 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5948 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5949 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5951 if (!rdev
->ops
->change_mpath
)
5954 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5957 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
5960 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5962 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5963 struct net_device
*dev
= info
->user_ptr
[1];
5965 u8
*next_hop
= NULL
;
5967 if (!info
->attrs
[NL80211_ATTR_MAC
])
5970 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5973 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5974 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5976 if (!rdev
->ops
->add_mpath
)
5979 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5982 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
5985 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5987 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5988 struct net_device
*dev
= info
->user_ptr
[1];
5991 if (info
->attrs
[NL80211_ATTR_MAC
])
5992 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5994 if (!rdev
->ops
->del_mpath
)
5997 return rdev_del_mpath(rdev
, dev
, dst
);
6000 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
6002 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6004 struct net_device
*dev
= info
->user_ptr
[1];
6005 struct mpath_info pinfo
;
6006 struct sk_buff
*msg
;
6010 memset(&pinfo
, 0, sizeof(pinfo
));
6012 if (!info
->attrs
[NL80211_ATTR_MAC
])
6015 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6017 if (!rdev
->ops
->get_mpp
)
6020 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6023 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
6027 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6031 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6032 dev
, dst
, mpp
, &pinfo
) < 0) {
6037 return genlmsg_reply(msg
, info
);
6040 static int nl80211_dump_mpp(struct sk_buff
*skb
,
6041 struct netlink_callback
*cb
)
6043 struct mpath_info pinfo
;
6044 struct cfg80211_registered_device
*rdev
;
6045 struct wireless_dev
*wdev
;
6048 int path_idx
= cb
->args
[2];
6052 err
= nl80211_prepare_wdev_dump(cb
, &rdev
, &wdev
);
6056 if (!rdev
->ops
->dump_mpp
) {
6061 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
6067 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
6074 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
6075 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6076 wdev
->netdev
, dst
, mpp
,
6084 cb
->args
[2] = path_idx
;
6091 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
6093 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6094 struct net_device
*dev
= info
->user_ptr
[1];
6095 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6096 struct bss_parameters params
;
6099 memset(¶ms
, 0, sizeof(params
));
6100 /* default to not changing parameters */
6101 params
.use_cts_prot
= -1;
6102 params
.use_short_preamble
= -1;
6103 params
.use_short_slot_time
= -1;
6104 params
.ap_isolate
= -1;
6105 params
.ht_opmode
= -1;
6106 params
.p2p_ctwindow
= -1;
6107 params
.p2p_opp_ps
= -1;
6109 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
6110 params
.use_cts_prot
=
6111 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
6112 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
6113 params
.use_short_preamble
=
6114 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
6115 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
6116 params
.use_short_slot_time
=
6117 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
6118 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6119 params
.basic_rates
=
6120 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6121 params
.basic_rates_len
=
6122 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6124 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
6125 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
6126 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
6128 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
6130 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
6131 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6133 params
.p2p_ctwindow
=
6134 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
6135 if (params
.p2p_ctwindow
!= 0 &&
6136 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
6140 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
6143 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6145 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
6146 params
.p2p_opp_ps
= tmp
;
6147 if (params
.p2p_opp_ps
&&
6148 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
6152 if (!rdev
->ops
->change_bss
)
6155 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
6156 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6160 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
6166 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
6170 enum nl80211_user_reg_hint_type user_reg_hint_type
;
6174 * You should only get this when cfg80211 hasn't yet initialized
6175 * completely when built-in to the kernel right between the time
6176 * window between nl80211_init() and regulatory_init(), if that is
6179 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
6180 return -EINPROGRESS
;
6182 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
6183 user_reg_hint_type
=
6184 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
6186 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
6188 switch (user_reg_hint_type
) {
6189 case NL80211_USER_REG_HINT_USER
:
6190 case NL80211_USER_REG_HINT_CELL_BASE
:
6191 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
6194 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
6195 return regulatory_hint_user(data
, user_reg_hint_type
);
6196 case NL80211_USER_REG_HINT_INDOOR
:
6197 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
6198 owner_nlportid
= info
->snd_portid
;
6199 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
6205 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
6211 static int nl80211_reload_regdb(struct sk_buff
*skb
, struct genl_info
*info
)
6213 return reg_reload_regdb();
6216 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
6217 struct genl_info
*info
)
6219 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6220 struct net_device
*dev
= info
->user_ptr
[1];
6221 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6222 struct mesh_config cur_params
;
6225 struct nlattr
*pinfoattr
;
6226 struct sk_buff
*msg
;
6228 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6231 if (!rdev
->ops
->get_mesh_config
)
6235 /* If not connected, get default parameters */
6236 if (!wdev
->mesh_id_len
)
6237 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
6239 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
6245 /* Draw up a netlink message to send back */
6246 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6249 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6250 NL80211_CMD_GET_MESH_CONFIG
);
6253 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
6255 goto nla_put_failure
;
6256 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
6257 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
6258 cur_params
.dot11MeshRetryTimeout
) ||
6259 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
6260 cur_params
.dot11MeshConfirmTimeout
) ||
6261 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
6262 cur_params
.dot11MeshHoldingTimeout
) ||
6263 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
6264 cur_params
.dot11MeshMaxPeerLinks
) ||
6265 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
6266 cur_params
.dot11MeshMaxRetries
) ||
6267 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
6268 cur_params
.dot11MeshTTL
) ||
6269 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
6270 cur_params
.element_ttl
) ||
6271 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
6272 cur_params
.auto_open_plinks
) ||
6273 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
6274 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
6275 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
6276 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
6277 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
6278 cur_params
.path_refresh_time
) ||
6279 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
6280 cur_params
.min_discovery_timeout
) ||
6281 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
6282 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
6283 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
6284 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
6285 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
6286 cur_params
.dot11MeshHWMPperrMinInterval
) ||
6287 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
6288 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
6289 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
6290 cur_params
.dot11MeshHWMPRootMode
) ||
6291 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
6292 cur_params
.dot11MeshHWMPRannInterval
) ||
6293 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
6294 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
6295 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
6296 cur_params
.dot11MeshForwarding
) ||
6297 nla_put_s32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
6298 cur_params
.rssi_threshold
) ||
6299 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
6300 cur_params
.ht_opmode
) ||
6301 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
6302 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
6303 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
6304 cur_params
.dot11MeshHWMProotInterval
) ||
6305 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
6306 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
6307 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
6308 cur_params
.power_mode
) ||
6309 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
6310 cur_params
.dot11MeshAwakeWindowDuration
) ||
6311 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
6312 cur_params
.plink_timeout
) ||
6313 nla_put_u8(msg
, NL80211_MESHCONF_CONNECTED_TO_GATE
,
6314 cur_params
.dot11MeshConnectedToMeshGate
))
6315 goto nla_put_failure
;
6316 nla_nest_end(msg
, pinfoattr
);
6317 genlmsg_end(msg
, hdr
);
6318 return genlmsg_reply(msg
, info
);
6326 static const struct nla_policy
6327 nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
6328 [NL80211_MESHCONF_RETRY_TIMEOUT
] =
6329 NLA_POLICY_RANGE(NLA_U16
, 1, 255),
6330 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] =
6331 NLA_POLICY_RANGE(NLA_U16
, 1, 255),
6332 [NL80211_MESHCONF_HOLDING_TIMEOUT
] =
6333 NLA_POLICY_RANGE(NLA_U16
, 1, 255),
6334 [NL80211_MESHCONF_MAX_PEER_LINKS
] =
6335 NLA_POLICY_RANGE(NLA_U16
, 0, 255),
6336 [NL80211_MESHCONF_MAX_RETRIES
] = NLA_POLICY_MAX(NLA_U8
, 16),
6337 [NL80211_MESHCONF_TTL
] = NLA_POLICY_MIN(NLA_U8
, 1),
6338 [NL80211_MESHCONF_ELEMENT_TTL
] = NLA_POLICY_MIN(NLA_U8
, 1),
6339 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = NLA_POLICY_MAX(NLA_U8
, 1),
6340 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] =
6341 NLA_POLICY_RANGE(NLA_U32
, 1, 255),
6342 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
6343 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
6344 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = NLA_POLICY_MIN(NLA_U16
, 1),
6345 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
6346 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] =
6347 NLA_POLICY_MIN(NLA_U16
, 1),
6348 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] =
6349 NLA_POLICY_MIN(NLA_U16
, 1),
6350 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] =
6351 NLA_POLICY_MIN(NLA_U16
, 1),
6352 [NL80211_MESHCONF_HWMP_ROOTMODE
] = NLA_POLICY_MAX(NLA_U8
, 4),
6353 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] =
6354 NLA_POLICY_MIN(NLA_U16
, 1),
6355 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = NLA_POLICY_MAX(NLA_U8
, 1),
6356 [NL80211_MESHCONF_FORWARDING
] = NLA_POLICY_MAX(NLA_U8
, 1),
6357 [NL80211_MESHCONF_RSSI_THRESHOLD
] =
6358 NLA_POLICY_RANGE(NLA_S32
, -255, 0),
6359 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
6360 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
6361 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] =
6362 NLA_POLICY_MIN(NLA_U16
, 1),
6363 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] =
6364 NLA_POLICY_MIN(NLA_U16
, 1),
6365 [NL80211_MESHCONF_POWER_MODE
] =
6366 NLA_POLICY_RANGE(NLA_U32
,
6367 NL80211_MESH_POWER_ACTIVE
,
6368 NL80211_MESH_POWER_MAX
),
6369 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
6370 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
6371 [NL80211_MESHCONF_CONNECTED_TO_GATE
] = NLA_POLICY_RANGE(NLA_U8
, 0, 1),
6374 static const struct nla_policy
6375 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
6376 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
6377 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
6378 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
6379 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
6380 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
6381 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
6382 [NL80211_MESH_SETUP_IE
] =
6383 NLA_POLICY_VALIDATE_FN(NLA_BINARY
, validate_ie_attr
,
6384 IEEE80211_MAX_DATA_LEN
),
6385 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
6388 static int nl80211_parse_mesh_config(struct genl_info
*info
,
6389 struct mesh_config
*cfg
,
6392 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
6396 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \
6399 cfg->param = fn(tb[attr]); \
6400 mask |= BIT((attr) - 1); \
6404 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
6406 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
6407 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
6408 nl80211_meshconf_params_policy
, info
->extack
))
6411 /* This makes sure that there aren't more than 32 mesh config
6412 * parameters (otherwise our bitfield scheme would not work.) */
6413 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
6415 /* Fill in the params struct */
6416 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, mask
,
6417 NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
6418 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, mask
,
6419 NL80211_MESHCONF_CONFIRM_TIMEOUT
,
6421 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, mask
,
6422 NL80211_MESHCONF_HOLDING_TIMEOUT
,
6424 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, mask
,
6425 NL80211_MESHCONF_MAX_PEER_LINKS
,
6427 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, mask
,
6428 NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
6429 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, mask
,
6430 NL80211_MESHCONF_TTL
, nla_get_u8
);
6431 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, mask
,
6432 NL80211_MESHCONF_ELEMENT_TTL
, nla_get_u8
);
6433 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, mask
,
6434 NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
6436 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
6438 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
6440 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, mask
,
6441 NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
6443 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, mask
,
6444 NL80211_MESHCONF_PATH_REFRESH_TIME
,
6446 if (mask
& BIT(NL80211_MESHCONF_PATH_REFRESH_TIME
) &&
6447 (cfg
->path_refresh_time
< 1 || cfg
->path_refresh_time
> 65535))
6449 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, mask
,
6450 NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
6452 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
6454 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
6456 if (mask
& BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
) &&
6457 (cfg
->dot11MeshHWMPactivePathTimeout
< 1 ||
6458 cfg
->dot11MeshHWMPactivePathTimeout
> 65535))
6460 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
, mask
,
6461 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
6463 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
, mask
,
6464 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
6466 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6467 dot11MeshHWMPnetDiameterTraversalTime
, mask
,
6468 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
6470 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, mask
,
6471 NL80211_MESHCONF_HWMP_ROOTMODE
, nla_get_u8
);
6472 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, mask
,
6473 NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
6475 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshGateAnnouncementProtocol
,
6476 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
6478 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, mask
,
6479 NL80211_MESHCONF_FORWARDING
, nla_get_u8
);
6480 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, mask
,
6481 NL80211_MESHCONF_RSSI_THRESHOLD
,
6483 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConnectedToMeshGate
, mask
,
6484 NL80211_MESHCONF_CONNECTED_TO_GATE
,
6487 * Check HT operation mode based on
6488 * IEEE 802.11-2016 9.4.2.57 HT Operation element.
6490 if (tb
[NL80211_MESHCONF_HT_OPMODE
]) {
6491 ht_opmode
= nla_get_u16(tb
[NL80211_MESHCONF_HT_OPMODE
]);
6493 if (ht_opmode
& ~(IEEE80211_HT_OP_MODE_PROTECTION
|
6494 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
|
6495 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6498 /* NON_HT_STA bit is reserved, but some programs set it */
6499 ht_opmode
&= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
;
6501 cfg
->ht_opmode
= ht_opmode
;
6502 mask
|= (1 << (NL80211_MESHCONF_HT_OPMODE
- 1));
6504 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6505 dot11MeshHWMPactivePathToRootTimeout
, mask
,
6506 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
6508 if (mask
& BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
) &&
6509 (cfg
->dot11MeshHWMPactivePathToRootTimeout
< 1 ||
6510 cfg
->dot11MeshHWMPactivePathToRootTimeout
> 65535))
6512 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, mask
,
6513 NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
6515 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPconfirmationInterval
,
6517 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
6519 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
, mask
,
6520 NL80211_MESHCONF_POWER_MODE
, nla_get_u32
);
6521 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
, mask
,
6522 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
6523 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, mask
,
6524 NL80211_MESHCONF_PLINK_TIMEOUT
, nla_get_u32
);
6530 #undef FILL_IN_MESH_PARAM_IF_SET
6533 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
6534 struct mesh_setup
*setup
)
6536 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6537 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
6539 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
6541 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
6542 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
6543 nl80211_mesh_setup_params_policy
, info
->extack
))
6546 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
6547 setup
->sync_method
=
6548 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
6549 IEEE80211_SYNC_METHOD_VENDOR
:
6550 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
6552 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
6553 setup
->path_sel_proto
=
6554 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
6555 IEEE80211_PATH_PROTOCOL_VENDOR
:
6556 IEEE80211_PATH_PROTOCOL_HWMP
;
6558 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
6559 setup
->path_metric
=
6560 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
6561 IEEE80211_PATH_METRIC_VENDOR
:
6562 IEEE80211_PATH_METRIC_AIRTIME
;
6564 if (tb
[NL80211_MESH_SETUP_IE
]) {
6565 struct nlattr
*ieattr
=
6566 tb
[NL80211_MESH_SETUP_IE
];
6567 setup
->ie
= nla_data(ieattr
);
6568 setup
->ie_len
= nla_len(ieattr
);
6570 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
6571 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
6573 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
6574 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
6575 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
6576 if (setup
->is_secure
)
6577 setup
->user_mpm
= true;
6579 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
6580 if (!setup
->user_mpm
)
6583 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
6589 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
6590 struct genl_info
*info
)
6592 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6593 struct net_device
*dev
= info
->user_ptr
[1];
6594 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6595 struct mesh_config cfg
;
6599 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6602 if (!rdev
->ops
->update_mesh_config
)
6605 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
6610 if (!wdev
->mesh_id_len
)
6614 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
6621 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
6622 struct sk_buff
*msg
)
6624 struct nlattr
*nl_reg_rules
;
6627 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
6628 (regdom
->dfs_region
&&
6629 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
6630 goto nla_put_failure
;
6632 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
6634 goto nla_put_failure
;
6636 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
6637 struct nlattr
*nl_reg_rule
;
6638 const struct ieee80211_reg_rule
*reg_rule
;
6639 const struct ieee80211_freq_range
*freq_range
;
6640 const struct ieee80211_power_rule
*power_rule
;
6641 unsigned int max_bandwidth_khz
;
6643 reg_rule
= ®dom
->reg_rules
[i
];
6644 freq_range
= ®_rule
->freq_range
;
6645 power_rule
= ®_rule
->power_rule
;
6647 nl_reg_rule
= nla_nest_start(msg
, i
);
6649 goto nla_put_failure
;
6651 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
6652 if (!max_bandwidth_khz
)
6653 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
6656 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
6658 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
6659 freq_range
->start_freq_khz
) ||
6660 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
6661 freq_range
->end_freq_khz
) ||
6662 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
6663 max_bandwidth_khz
) ||
6664 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
6665 power_rule
->max_antenna_gain
) ||
6666 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
6667 power_rule
->max_eirp
) ||
6668 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
6669 reg_rule
->dfs_cac_ms
))
6670 goto nla_put_failure
;
6672 nla_nest_end(msg
, nl_reg_rule
);
6675 nla_nest_end(msg
, nl_reg_rules
);
6682 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
6684 const struct ieee80211_regdomain
*regdom
= NULL
;
6685 struct cfg80211_registered_device
*rdev
;
6686 struct wiphy
*wiphy
= NULL
;
6687 struct sk_buff
*msg
;
6690 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6694 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6695 NL80211_CMD_GET_REG
);
6699 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
6702 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6705 return PTR_ERR(rdev
);
6708 wiphy
= &rdev
->wiphy
;
6709 self_managed
= wiphy
->regulatory_flags
&
6710 REGULATORY_WIPHY_SELF_MANAGED
;
6711 regdom
= get_wiphy_regdom(wiphy
);
6713 /* a self-managed-reg device must have a private regdom */
6714 if (WARN_ON(!regdom
&& self_managed
)) {
6720 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6721 goto nla_put_failure
;
6724 if (!wiphy
&& reg_last_request_cell_base() &&
6725 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6726 NL80211_USER_REG_HINT_CELL_BASE
))
6727 goto nla_put_failure
;
6732 regdom
= rcu_dereference(cfg80211_regdomain
);
6734 if (nl80211_put_regdom(regdom
, msg
))
6735 goto nla_put_failure_rcu
;
6739 genlmsg_end(msg
, hdr
);
6740 return genlmsg_reply(msg
, info
);
6742 nla_put_failure_rcu
:
6750 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6751 u32 seq
, int flags
, struct wiphy
*wiphy
,
6752 const struct ieee80211_regdomain
*regdom
)
6754 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6755 NL80211_CMD_GET_REG
);
6760 genl_dump_check_consistent(cb
, hdr
);
6762 if (nl80211_put_regdom(regdom
, msg
))
6763 goto nla_put_failure
;
6765 if (!wiphy
&& reg_last_request_cell_base() &&
6766 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6767 NL80211_USER_REG_HINT_CELL_BASE
))
6768 goto nla_put_failure
;
6771 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6772 goto nla_put_failure
;
6774 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
6775 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
6776 goto nla_put_failure
;
6778 genlmsg_end(msg
, hdr
);
6782 genlmsg_cancel(msg
, hdr
);
6786 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
6787 struct netlink_callback
*cb
)
6789 const struct ieee80211_regdomain
*regdom
= NULL
;
6790 struct cfg80211_registered_device
*rdev
;
6791 int err
, reg_idx
, start
= cb
->args
[2];
6795 if (cfg80211_regdomain
&& start
== 0) {
6796 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6798 rtnl_dereference(cfg80211_regdomain
));
6803 /* the global regdom is idx 0 */
6805 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
6806 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
6810 if (++reg_idx
<= start
)
6813 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6814 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
6821 cb
->args
[2] = reg_idx
;
6828 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6829 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
6830 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
6831 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
6832 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
6833 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
6834 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
6835 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
6836 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
6839 static int parse_reg_rule(struct nlattr
*tb
[],
6840 struct ieee80211_reg_rule
*reg_rule
)
6842 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
6843 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
6845 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
6847 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
6849 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
6851 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
6853 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
6856 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
6858 freq_range
->start_freq_khz
=
6859 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
6860 freq_range
->end_freq_khz
=
6861 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
6862 freq_range
->max_bandwidth_khz
=
6863 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
6865 power_rule
->max_eirp
=
6866 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
6868 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
6869 power_rule
->max_antenna_gain
=
6870 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
6872 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
6873 reg_rule
->dfs_cac_ms
=
6874 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
6879 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
6881 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
6882 struct nlattr
*nl_reg_rule
;
6884 int rem_reg_rules
, r
;
6885 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
6886 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
6887 struct ieee80211_regdomain
*rd
;
6889 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
6892 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
6895 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
6897 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
6898 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
6900 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6903 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
6907 if (!reg_is_valid_request(alpha2
))
6910 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
6911 num_rules
* sizeof(struct ieee80211_reg_rule
);
6913 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
6917 rd
->n_reg_rules
= num_rules
;
6918 rd
->alpha2
[0] = alpha2
[0];
6919 rd
->alpha2
[1] = alpha2
[1];
6922 * Disable DFS master mode if the DFS region was
6923 * not supported or known on this kernel.
6925 if (reg_supported_dfs_region(dfs_region
))
6926 rd
->dfs_region
= dfs_region
;
6928 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6930 r
= nla_parse_nested(tb
, NL80211_REG_RULE_ATTR_MAX
,
6931 nl_reg_rule
, reg_rule_policy
,
6935 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
6941 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
6947 /* set_regdom takes ownership of rd */
6948 return set_regdom(rd
, REGD_SOURCE_CRDA
);
6953 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6955 static int validate_scan_freqs(struct nlattr
*freqs
)
6957 struct nlattr
*attr1
, *attr2
;
6958 int n_channels
= 0, tmp1
, tmp2
;
6960 nla_for_each_nested(attr1
, freqs
, tmp1
)
6961 if (nla_len(attr1
) != sizeof(u32
))
6964 nla_for_each_nested(attr1
, freqs
, tmp1
) {
6967 * Some hardware has a limited channel list for
6968 * scanning, and it is pretty much nonsensical
6969 * to scan for a channel twice, so disallow that
6970 * and don't require drivers to check that the
6971 * channel list they get isn't longer than what
6972 * they can scan, as long as they can scan all
6973 * the channels they registered at once.
6975 nla_for_each_nested(attr2
, freqs
, tmp2
)
6976 if (attr1
!= attr2
&&
6977 nla_get_u32(attr1
) == nla_get_u32(attr2
))
6984 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
6986 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
6989 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
6990 struct cfg80211_bss_selection
*bss_select
)
6992 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
6993 struct nlattr
*nest
;
6998 /* only process one nested attribute */
6999 nest
= nla_data(nla
);
7000 if (!nla_ok(nest
, nla_len(nest
)))
7003 err
= nla_parse_nested(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nest
,
7004 nl80211_bss_select_policy
, NULL
);
7008 /* only one attribute may be given */
7009 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
7017 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
7019 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
7020 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
7022 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
7023 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
7024 bss_select
->param
.band_pref
=
7025 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
7026 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
7030 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
7031 struct nl80211_bss_select_rssi_adjust
*adj_param
;
7033 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
7034 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
7035 bss_select
->param
.adjust
.band
= adj_param
->band
;
7036 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
7037 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
7041 /* user-space did not provide behaviour attribute */
7042 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
7045 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
7051 int nl80211_parse_random_mac(struct nlattr
**attrs
,
7052 u8
*mac_addr
, u8
*mac_addr_mask
)
7056 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
7057 eth_zero_addr(mac_addr
);
7058 eth_zero_addr(mac_addr_mask
);
7060 mac_addr_mask
[0] = 0x3;
7065 /* need both or none */
7066 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
7069 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
7070 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
7072 /* don't allow or configure an mcast address */
7073 if (!is_multicast_ether_addr(mac_addr_mask
) ||
7074 is_multicast_ether_addr(mac_addr
))
7078 * allow users to pass a MAC address that has bits set outside
7079 * of the mask, but don't bother drivers with having to deal
7082 for (i
= 0; i
< ETH_ALEN
; i
++)
7083 mac_addr
[i
] &= mac_addr_mask
[i
];
7088 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev
*wdev
)
7090 ASSERT_WDEV_LOCK(wdev
);
7092 if (!cfg80211_beaconing_iface_active(wdev
))
7095 if (!(wdev
->chandef
.chan
->flags
& IEEE80211_CHAN_RADAR
))
7098 return regulatory_pre_cac_allowed(wdev
->wiphy
);
7101 static bool nl80211_check_scan_feat(struct wiphy
*wiphy
, u32 flags
, u32 flag
,
7102 enum nl80211_ext_feature_index feat
)
7104 if (!(flags
& flag
))
7106 if (wiphy_ext_feature_isset(wiphy
, feat
))
7112 nl80211_check_scan_flags(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
7113 void *request
, struct nlattr
**attrs
,
7116 u8
*mac_addr
, *mac_addr_mask
;
7118 enum nl80211_feature_flags randomness_flag
;
7120 if (!attrs
[NL80211_ATTR_SCAN_FLAGS
])
7123 if (is_sched_scan
) {
7124 struct cfg80211_sched_scan_request
*req
= request
;
7126 randomness_flag
= wdev
?
7127 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
:
7128 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
7129 flags
= &req
->flags
;
7130 mac_addr
= req
->mac_addr
;
7131 mac_addr_mask
= req
->mac_addr_mask
;
7133 struct cfg80211_scan_request
*req
= request
;
7135 randomness_flag
= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
;
7136 flags
= &req
->flags
;
7137 mac_addr
= req
->mac_addr
;
7138 mac_addr_mask
= req
->mac_addr_mask
;
7141 *flags
= nla_get_u32(attrs
[NL80211_ATTR_SCAN_FLAGS
]);
7143 if (((*flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
7144 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) ||
7145 !nl80211_check_scan_feat(wiphy
, *flags
,
7146 NL80211_SCAN_FLAG_LOW_SPAN
,
7147 NL80211_EXT_FEATURE_LOW_SPAN_SCAN
) ||
7148 !nl80211_check_scan_feat(wiphy
, *flags
,
7149 NL80211_SCAN_FLAG_LOW_POWER
,
7150 NL80211_EXT_FEATURE_LOW_POWER_SCAN
) ||
7151 !nl80211_check_scan_feat(wiphy
, *flags
,
7152 NL80211_SCAN_FLAG_HIGH_ACCURACY
,
7153 NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN
) ||
7154 !nl80211_check_scan_feat(wiphy
, *flags
,
7155 NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME
,
7156 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME
) ||
7157 !nl80211_check_scan_feat(wiphy
, *flags
,
7158 NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP
,
7159 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP
) ||
7160 !nl80211_check_scan_feat(wiphy
, *flags
,
7161 NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
,
7162 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
) ||
7163 !nl80211_check_scan_feat(wiphy
, *flags
,
7164 NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE
,
7165 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE
) ||
7166 !nl80211_check_scan_feat(wiphy
, *flags
,
7167 NL80211_SCAN_FLAG_RANDOM_SN
,
7168 NL80211_EXT_FEATURE_SCAN_RANDOM_SN
) ||
7169 !nl80211_check_scan_feat(wiphy
, *flags
,
7170 NL80211_SCAN_FLAG_MIN_PREQ_CONTENT
,
7171 NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT
))
7174 if (*flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
7177 if (!(wiphy
->features
& randomness_flag
) ||
7178 (wdev
&& wdev
->current_bss
))
7181 err
= nl80211_parse_random_mac(attrs
, mac_addr
, mac_addr_mask
);
7189 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
7191 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7192 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7193 struct cfg80211_scan_request
*request
;
7194 struct nlattr
*attr
;
7195 struct wiphy
*wiphy
;
7196 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
7199 wiphy
= &rdev
->wiphy
;
7201 if (wdev
->iftype
== NL80211_IFTYPE_NAN
)
7204 if (!rdev
->ops
->scan
)
7207 if (rdev
->scan_req
|| rdev
->scan_msg
) {
7212 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7213 n_channels
= validate_scan_freqs(
7214 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
7220 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
7223 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
7224 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
7227 if (n_ssids
> wiphy
->max_scan_ssids
) {
7232 if (info
->attrs
[NL80211_ATTR_IE
])
7233 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7237 if (ie_len
> wiphy
->max_scan_ie_len
) {
7242 request
= kzalloc(sizeof(*request
)
7243 + sizeof(*request
->ssids
) * n_ssids
7244 + sizeof(*request
->channels
) * n_channels
7245 + ie_len
, GFP_KERNEL
);
7252 request
->ssids
= (void *)&request
->channels
[n_channels
];
7253 request
->n_ssids
= n_ssids
;
7256 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
7258 request
->ie
= (void *)(request
->channels
+ n_channels
);
7262 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7263 /* user specified, bail out if channel not found */
7264 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
7265 struct ieee80211_channel
*chan
;
7267 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
7274 /* ignore disabled channels */
7275 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7278 request
->channels
[i
] = chan
;
7282 enum nl80211_band band
;
7285 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7288 if (!wiphy
->bands
[band
])
7290 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
7291 struct ieee80211_channel
*chan
;
7293 chan
= &wiphy
->bands
[band
]->channels
[j
];
7295 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7298 request
->channels
[i
] = chan
;
7309 request
->n_channels
= i
;
7312 if (!cfg80211_off_channel_oper_allowed(wdev
)) {
7313 struct ieee80211_channel
*chan
;
7315 if (request
->n_channels
!= 1) {
7321 chan
= request
->channels
[0];
7322 if (chan
->center_freq
!= wdev
->chandef
.chan
->center_freq
) {
7332 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
7333 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
7337 request
->ssids
[i
].ssid_len
= nla_len(attr
);
7338 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
7343 if (info
->attrs
[NL80211_ATTR_IE
]) {
7344 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7345 memcpy((void *)request
->ie
,
7346 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7350 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
7351 if (wiphy
->bands
[i
])
7353 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
7355 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
7356 nla_for_each_nested(attr
,
7357 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
7359 enum nl80211_band band
= nla_type(attr
);
7361 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
7366 if (!wiphy
->bands
[band
])
7369 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
7372 &request
->rates
[band
]);
7378 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
7379 if (!wiphy_ext_feature_isset(wiphy
,
7380 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
7386 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
7387 request
->duration_mandatory
=
7388 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
7391 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, info
->attrs
,
7397 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7399 /* Initial implementation used NL80211_ATTR_MAC to set the specific
7400 * BSSID to scan for. This was problematic because that same attribute
7401 * was already used for another purpose (local random MAC address). The
7402 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
7403 * compatibility with older userspace components, also use the
7404 * NL80211_ATTR_MAC value here if it can be determined to be used for
7405 * the specific BSSID use case instead of the random MAC address
7406 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
7408 if (info
->attrs
[NL80211_ATTR_BSSID
])
7409 memcpy(request
->bssid
,
7410 nla_data(info
->attrs
[NL80211_ATTR_BSSID
]), ETH_ALEN
);
7411 else if (!(request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) &&
7412 info
->attrs
[NL80211_ATTR_MAC
])
7413 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
7416 eth_broadcast_addr(request
->bssid
);
7418 request
->wdev
= wdev
;
7419 request
->wiphy
= &rdev
->wiphy
;
7420 request
->scan_start
= jiffies
;
7422 rdev
->scan_req
= request
;
7423 err
= rdev_scan(rdev
, request
);
7426 nl80211_send_scan_start(rdev
, wdev
);
7428 dev_hold(wdev
->netdev
);
7431 rdev
->scan_req
= NULL
;
7439 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
7441 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7442 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7444 if (!rdev
->ops
->abort_scan
)
7450 if (!rdev
->scan_req
)
7453 rdev_abort_scan(rdev
, wdev
);
7458 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
7459 struct cfg80211_sched_scan_request
*request
,
7460 struct nlattr
**attrs
)
7462 int tmp
, err
, i
= 0;
7463 struct nlattr
*attr
;
7465 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7469 * If scan plans are not specified,
7470 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7471 * case one scan plan will be set with the specified scan
7472 * interval and infinite number of iterations.
7474 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
7478 request
->scan_plans
[0].interval
=
7479 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
7480 if (!request
->scan_plans
[0].interval
)
7483 if (request
->scan_plans
[0].interval
>
7484 wiphy
->max_sched_scan_plan_interval
)
7485 request
->scan_plans
[0].interval
=
7486 wiphy
->max_sched_scan_plan_interval
;
7491 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
7492 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
7494 if (WARN_ON(i
>= n_plans
))
7497 err
= nla_parse_nested(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
7498 attr
, nl80211_plan_policy
, NULL
);
7502 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
7505 request
->scan_plans
[i
].interval
=
7506 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
7507 if (!request
->scan_plans
[i
].interval
||
7508 request
->scan_plans
[i
].interval
>
7509 wiphy
->max_sched_scan_plan_interval
)
7512 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
7513 request
->scan_plans
[i
].iterations
=
7514 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
7515 if (!request
->scan_plans
[i
].iterations
||
7516 (request
->scan_plans
[i
].iterations
>
7517 wiphy
->max_sched_scan_plan_iterations
))
7519 } else if (i
< n_plans
- 1) {
7521 * All scan plans but the last one must specify
7522 * a finite number of iterations
7531 * The last scan plan must not specify the number of
7532 * iterations, it is supposed to run infinitely
7534 if (request
->scan_plans
[n_plans
- 1].iterations
)
7540 static struct cfg80211_sched_scan_request
*
7541 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
7542 struct nlattr
**attrs
, int max_match_sets
)
7544 struct cfg80211_sched_scan_request
*request
;
7545 struct nlattr
*attr
;
7546 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
7547 enum nl80211_band band
;
7549 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
7550 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
7552 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7553 n_channels
= validate_scan_freqs(
7554 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
7556 return ERR_PTR(-EINVAL
);
7558 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
7561 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
7562 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7566 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
7567 return ERR_PTR(-EINVAL
);
7570 * First, count the number of 'real' matchsets. Due to an issue with
7571 * the old implementation, matchsets containing only the RSSI attribute
7572 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7573 * RSSI for all matchsets, rather than their own matchset for reporting
7574 * all APs with a strong RSSI. This is needed to be compatible with
7575 * older userspace that treated a matchset with only the RSSI as the
7576 * global RSSI for all other matchsets - if there are other matchsets.
7578 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7579 nla_for_each_nested(attr
,
7580 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7582 struct nlattr
*rssi
;
7584 err
= nla_parse_nested(tb
,
7585 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7586 attr
, nl80211_match_policy
,
7589 return ERR_PTR(err
);
7591 /* SSID and BSSID are mutually exclusive */
7592 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] &&
7593 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
])
7594 return ERR_PTR(-EINVAL
);
7596 /* add other standalone attributes here */
7597 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] ||
7598 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
]) {
7602 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7604 default_match_rssi
= nla_get_s32(rssi
);
7608 /* However, if there's no other matchset, add the RSSI one */
7609 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
7612 if (n_match_sets
> max_match_sets
)
7613 return ERR_PTR(-EINVAL
);
7615 if (attrs
[NL80211_ATTR_IE
])
7616 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
7620 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
7621 return ERR_PTR(-EINVAL
);
7623 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7625 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7626 * each scan plan already specifies its own interval
7628 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7629 return ERR_PTR(-EINVAL
);
7631 nla_for_each_nested(attr
,
7632 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
7636 * The scan interval attribute is kept for backward
7637 * compatibility. If no scan plans are specified and sched scan
7638 * interval is specified, one scan plan will be set with this
7639 * scan interval and infinite number of iterations.
7641 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7642 return ERR_PTR(-EINVAL
);
7647 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
7648 return ERR_PTR(-EINVAL
);
7650 if (!wiphy_ext_feature_isset(
7651 wiphy
, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI
) &&
7652 (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] ||
7653 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]))
7654 return ERR_PTR(-EINVAL
);
7656 request
= kzalloc(sizeof(*request
)
7657 + sizeof(*request
->ssids
) * n_ssids
7658 + sizeof(*request
->match_sets
) * n_match_sets
7659 + sizeof(*request
->scan_plans
) * n_plans
7660 + sizeof(*request
->channels
) * n_channels
7661 + ie_len
, GFP_KERNEL
);
7663 return ERR_PTR(-ENOMEM
);
7666 request
->ssids
= (void *)&request
->channels
[n_channels
];
7667 request
->n_ssids
= n_ssids
;
7670 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
7672 request
->ie
= (void *)(request
->channels
+ n_channels
);
7677 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
7679 request
->match_sets
=
7680 (void *)(request
->ssids
+ n_ssids
);
7682 request
->match_sets
=
7683 (void *)(request
->channels
+ n_channels
);
7685 request
->n_match_sets
= n_match_sets
;
7688 request
->scan_plans
= (void *)(request
->match_sets
+
7690 else if (request
->ie
)
7691 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
7693 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
7695 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
7697 request
->n_scan_plans
= n_plans
;
7700 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7701 /* user specified, bail out if channel not found */
7702 nla_for_each_nested(attr
,
7703 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
7705 struct ieee80211_channel
*chan
;
7707 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
7714 /* ignore disabled channels */
7715 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7718 request
->channels
[i
] = chan
;
7723 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7726 if (!wiphy
->bands
[band
])
7728 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
7729 struct ieee80211_channel
*chan
;
7731 chan
= &wiphy
->bands
[band
]->channels
[j
];
7733 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7736 request
->channels
[i
] = chan
;
7747 request
->n_channels
= i
;
7751 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7753 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
7757 request
->ssids
[i
].ssid_len
= nla_len(attr
);
7758 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
7765 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7766 nla_for_each_nested(attr
,
7767 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7769 struct nlattr
*ssid
, *bssid
, *rssi
;
7771 err
= nla_parse_nested(tb
,
7772 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7773 attr
, nl80211_match_policy
,
7777 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
7778 bssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
];
7779 if (ssid
|| bssid
) {
7780 if (WARN_ON(i
>= n_match_sets
)) {
7781 /* this indicates a programming error,
7782 * the loop above should have verified
7790 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
7794 memcpy(request
->match_sets
[i
].ssid
.ssid
,
7795 nla_data(ssid
), nla_len(ssid
));
7796 request
->match_sets
[i
].ssid
.ssid_len
=
7800 if (nla_len(bssid
) != ETH_ALEN
) {
7804 memcpy(request
->match_sets
[i
].bssid
,
7805 nla_data(bssid
), ETH_ALEN
);
7808 /* special attribute - old implementation w/a */
7809 request
->match_sets
[i
].rssi_thold
=
7811 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7813 request
->match_sets
[i
].rssi_thold
=
7819 /* there was no other matchset, so the RSSI one is alone */
7820 if (i
== 0 && n_match_sets
)
7821 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
7823 request
->min_rssi_thold
= INT_MAX
;
7824 for (i
= 0; i
< n_match_sets
; i
++)
7825 request
->min_rssi_thold
=
7826 min(request
->match_sets
[i
].rssi_thold
,
7827 request
->min_rssi_thold
);
7829 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
7833 request
->ie_len
= ie_len
;
7834 memcpy((void *)request
->ie
,
7835 nla_data(attrs
[NL80211_ATTR_IE
]),
7839 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, attrs
, true);
7843 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
7845 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
7847 if (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]) {
7848 request
->relative_rssi
= nla_get_s8(
7849 attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]);
7850 request
->relative_rssi_set
= true;
7853 if (request
->relative_rssi_set
&&
7854 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]) {
7855 struct nl80211_bss_select_rssi_adjust
*rssi_adjust
;
7857 rssi_adjust
= nla_data(
7858 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]);
7859 request
->rssi_adjust
.band
= rssi_adjust
->band
;
7860 request
->rssi_adjust
.delta
= rssi_adjust
->delta
;
7861 if (!is_band_valid(wiphy
, request
->rssi_adjust
.band
)) {
7867 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
7871 request
->scan_start
= jiffies
;
7877 return ERR_PTR(err
);
7880 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
7881 struct genl_info
*info
)
7883 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7884 struct net_device
*dev
= info
->user_ptr
[1];
7885 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7886 struct cfg80211_sched_scan_request
*sched_scan_req
;
7890 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_start
)
7893 want_multi
= info
->attrs
[NL80211_ATTR_SCHED_SCAN_MULTI
];
7894 err
= cfg80211_sched_scan_req_possible(rdev
, want_multi
);
7898 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
7900 rdev
->wiphy
.max_match_sets
);
7902 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
7906 /* leave request id zero for legacy request
7907 * or if driver does not support multi-scheduled scan
7909 if (want_multi
&& rdev
->wiphy
.max_sched_scan_reqs
> 1) {
7910 while (!sched_scan_req
->reqid
)
7911 sched_scan_req
->reqid
= cfg80211_assign_cookie(rdev
);
7914 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
7918 sched_scan_req
->dev
= dev
;
7919 sched_scan_req
->wiphy
= &rdev
->wiphy
;
7921 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
7922 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
7924 cfg80211_add_sched_scan_req(rdev
, sched_scan_req
);
7926 nl80211_send_sched_scan(sched_scan_req
, NL80211_CMD_START_SCHED_SCAN
);
7930 kfree(sched_scan_req
);
7935 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
7936 struct genl_info
*info
)
7938 struct cfg80211_sched_scan_request
*req
;
7939 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7942 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_stop
)
7945 if (info
->attrs
[NL80211_ATTR_COOKIE
]) {
7946 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7947 return __cfg80211_stop_sched_scan(rdev
, cookie
, false);
7950 req
= list_first_or_null_rcu(&rdev
->sched_scan_req_list
,
7951 struct cfg80211_sched_scan_request
,
7953 if (!req
|| req
->reqid
||
7954 (req
->owner_nlportid
&&
7955 req
->owner_nlportid
!= info
->snd_portid
))
7958 return cfg80211_stop_sched_scan_req(rdev
, req
, false);
7961 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
7962 struct genl_info
*info
)
7964 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7965 struct net_device
*dev
= info
->user_ptr
[1];
7966 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7967 struct wiphy
*wiphy
= wdev
->wiphy
;
7968 struct cfg80211_chan_def chandef
;
7969 enum nl80211_dfs_regions dfs_region
;
7970 unsigned int cac_time_ms
;
7973 dfs_region
= reg_get_dfs_region(wiphy
);
7974 if (dfs_region
== NL80211_DFS_UNSET
)
7977 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7981 if (netif_carrier_ok(dev
))
7984 if (wdev
->cac_started
)
7987 err
= cfg80211_chandef_dfs_required(wiphy
, &chandef
, wdev
->iftype
);
7994 if (!cfg80211_chandef_dfs_usable(wiphy
, &chandef
))
7997 /* CAC start is offloaded to HW and can't be started manually */
7998 if (wiphy_ext_feature_isset(wiphy
, NL80211_EXT_FEATURE_DFS_OFFLOAD
))
8001 if (!rdev
->ops
->start_radar_detection
)
8004 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
8005 if (WARN_ON(!cac_time_ms
))
8006 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
8008 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
8010 wdev
->chandef
= chandef
;
8011 wdev
->cac_started
= true;
8012 wdev
->cac_start_time
= jiffies
;
8013 wdev
->cac_time_ms
= cac_time_ms
;
8018 static int nl80211_notify_radar_detection(struct sk_buff
*skb
,
8019 struct genl_info
*info
)
8021 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8022 struct net_device
*dev
= info
->user_ptr
[1];
8023 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8024 struct wiphy
*wiphy
= wdev
->wiphy
;
8025 struct cfg80211_chan_def chandef
;
8026 enum nl80211_dfs_regions dfs_region
;
8029 dfs_region
= reg_get_dfs_region(wiphy
);
8030 if (dfs_region
== NL80211_DFS_UNSET
) {
8031 GENL_SET_ERR_MSG(info
,
8032 "DFS Region is not set. Unexpected Radar indication");
8036 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8038 GENL_SET_ERR_MSG(info
, "Unable to extract chandef info");
8042 err
= cfg80211_chandef_dfs_required(wiphy
, &chandef
, wdev
->iftype
);
8044 GENL_SET_ERR_MSG(info
, "chandef is invalid");
8049 GENL_SET_ERR_MSG(info
,
8050 "Unexpected Radar indication for chandef/iftype");
8054 /* Do not process this notification if radar is already detected
8055 * by kernel on this channel, and return success.
8057 if (chandef
.chan
->dfs_state
== NL80211_DFS_UNAVAILABLE
)
8060 cfg80211_set_dfs_state(wiphy
, &chandef
, NL80211_DFS_UNAVAILABLE
);
8062 cfg80211_sched_dfs_chan_update(rdev
);
8064 memcpy(&rdev
->radar_chandef
, &chandef
, sizeof(chandef
));
8066 /* Propagate this notification to other radios as well */
8067 queue_work(cfg80211_wq
, &rdev
->propagate_radar_detect_wk
);
8072 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
8074 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8075 struct net_device
*dev
= info
->user_ptr
[1];
8076 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8077 struct cfg80211_csa_settings params
;
8078 /* csa_attrs is defined static to avoid waste of stack size - this
8079 * function is called under RTNL lock, so this should not be a problem.
8081 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
8083 bool need_new_beacon
= false;
8084 bool need_handle_dfs_flag
= true;
8088 if (!rdev
->ops
->channel_switch
||
8089 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
8092 switch (dev
->ieee80211_ptr
->iftype
) {
8093 case NL80211_IFTYPE_AP
:
8094 case NL80211_IFTYPE_P2P_GO
:
8095 need_new_beacon
= true;
8096 /* For all modes except AP the handle_dfs flag needs to be
8097 * supplied to tell the kernel that userspace will handle radar
8098 * events when they happen. Otherwise a switch to a channel
8099 * requiring DFS will be rejected.
8101 need_handle_dfs_flag
= false;
8103 /* useless if AP is not running */
8104 if (!wdev
->beacon_interval
)
8107 case NL80211_IFTYPE_ADHOC
:
8108 if (!wdev
->ssid_len
)
8111 case NL80211_IFTYPE_MESH_POINT
:
8112 if (!wdev
->mesh_id_len
)
8119 memset(¶ms
, 0, sizeof(params
));
8120 params
.beacon_csa
.ftm_responder
= -1;
8122 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
8123 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
8126 /* only important for AP, IBSS and mesh create IEs internally */
8127 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
8130 /* Even though the attribute is u32, the specification says
8131 * u8, so let's make sure we don't overflow.
8133 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
8137 params
.count
= cs_count
;
8139 if (!need_new_beacon
)
8142 err
= nl80211_parse_beacon(rdev
, info
->attrs
, ¶ms
.beacon_after
);
8146 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
8147 info
->attrs
[NL80211_ATTR_CSA_IES
],
8148 nl80211_policy
, info
->extack
);
8152 err
= nl80211_parse_beacon(rdev
, csa_attrs
, ¶ms
.beacon_csa
);
8156 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
8159 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
8160 if (!len
|| (len
% sizeof(u16
)))
8163 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
8164 if (rdev
->wiphy
.max_num_csa_counters
&&
8165 (params
.n_counter_offsets_beacon
>
8166 rdev
->wiphy
.max_num_csa_counters
))
8169 params
.counter_offsets_beacon
=
8170 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
8172 /* sanity checks - counters should fit and be the same */
8173 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
8174 u16 offset
= params
.counter_offsets_beacon
[i
];
8176 if (offset
>= params
.beacon_csa
.tail_len
)
8179 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
8183 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
8184 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
8185 if (!len
|| (len
% sizeof(u16
)))
8188 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
8189 if (rdev
->wiphy
.max_num_csa_counters
&&
8190 (params
.n_counter_offsets_presp
>
8191 rdev
->wiphy
.max_num_csa_counters
))
8194 params
.counter_offsets_presp
=
8195 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
8197 /* sanity checks - counters should fit and be the same */
8198 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
8199 u16 offset
= params
.counter_offsets_presp
[i
];
8201 if (offset
>= params
.beacon_csa
.probe_resp_len
)
8204 if (params
.beacon_csa
.probe_resp
[offset
] !=
8211 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
8215 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
8219 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
8226 params
.radar_required
= true;
8227 if (need_handle_dfs_flag
&&
8228 !nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
])) {
8233 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
8234 params
.block_tx
= true;
8237 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
8243 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
8245 struct cfg80211_registered_device
*rdev
,
8246 struct wireless_dev
*wdev
,
8247 struct cfg80211_internal_bss
*intbss
)
8249 struct cfg80211_bss
*res
= &intbss
->pub
;
8250 const struct cfg80211_bss_ies
*ies
;
8254 ASSERT_WDEV_LOCK(wdev
);
8256 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
8257 NL80211_CMD_NEW_SCAN_RESULTS
);
8261 genl_dump_check_consistent(cb
, hdr
);
8263 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
8264 goto nla_put_failure
;
8266 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
8267 goto nla_put_failure
;
8268 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
8270 goto nla_put_failure
;
8272 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
8274 goto nla_put_failure
;
8275 if ((!is_zero_ether_addr(res
->bssid
) &&
8276 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
8277 goto nla_put_failure
;
8280 /* indicate whether we have probe response data or not */
8281 if (rcu_access_pointer(res
->proberesp_ies
) &&
8282 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
8283 goto fail_unlock_rcu
;
8285 /* this pointer prefers to be pointed to probe response data
8286 * but is always valid
8288 ies
= rcu_dereference(res
->ies
);
8290 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
8292 goto fail_unlock_rcu
;
8293 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
8294 ies
->len
, ies
->data
))
8295 goto fail_unlock_rcu
;
8298 /* and this pointer is always (unless driver didn't know) beacon data */
8299 ies
= rcu_dereference(res
->beacon_ies
);
8300 if (ies
&& ies
->from_beacon
) {
8301 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
8303 goto fail_unlock_rcu
;
8304 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
8305 ies
->len
, ies
->data
))
8306 goto fail_unlock_rcu
;
8310 if (res
->beacon_interval
&&
8311 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
8312 goto nla_put_failure
;
8313 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
8314 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
8315 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
8316 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
8317 jiffies_to_msecs(jiffies
- intbss
->ts
)))
8318 goto nla_put_failure
;
8320 if (intbss
->parent_tsf
&&
8321 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
8322 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
8323 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
8324 intbss
->parent_bssid
)))
8325 goto nla_put_failure
;
8327 if (intbss
->ts_boottime
&&
8328 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
8329 intbss
->ts_boottime
, NL80211_BSS_PAD
))
8330 goto nla_put_failure
;
8332 if (!nl80211_put_signal(msg
, intbss
->pub
.chains
,
8333 intbss
->pub
.chain_signal
,
8334 NL80211_BSS_CHAIN_SIGNAL
))
8335 goto nla_put_failure
;
8337 switch (rdev
->wiphy
.signal_type
) {
8338 case CFG80211_SIGNAL_TYPE_MBM
:
8339 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
8340 goto nla_put_failure
;
8342 case CFG80211_SIGNAL_TYPE_UNSPEC
:
8343 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
8344 goto nla_put_failure
;
8350 switch (wdev
->iftype
) {
8351 case NL80211_IFTYPE_P2P_CLIENT
:
8352 case NL80211_IFTYPE_STATION
:
8353 if (intbss
== wdev
->current_bss
&&
8354 nla_put_u32(msg
, NL80211_BSS_STATUS
,
8355 NL80211_BSS_STATUS_ASSOCIATED
))
8356 goto nla_put_failure
;
8358 case NL80211_IFTYPE_ADHOC
:
8359 if (intbss
== wdev
->current_bss
&&
8360 nla_put_u32(msg
, NL80211_BSS_STATUS
,
8361 NL80211_BSS_STATUS_IBSS_JOINED
))
8362 goto nla_put_failure
;
8368 nla_nest_end(msg
, bss
);
8370 genlmsg_end(msg
, hdr
);
8376 genlmsg_cancel(msg
, hdr
);
8380 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
8382 struct cfg80211_registered_device
*rdev
;
8383 struct cfg80211_internal_bss
*scan
;
8384 struct wireless_dev
*wdev
;
8385 int start
= cb
->args
[2], idx
= 0;
8389 err
= nl80211_prepare_wdev_dump(cb
, &rdev
, &wdev
);
8396 spin_lock_bh(&rdev
->bss_lock
);
8399 * dump_scan will be called multiple times to break up the scan results
8400 * into multiple messages. It is unlikely that any more bss-es will be
8401 * expired after the first call, so only call only call this on the
8402 * first dump_scan invocation.
8405 cfg80211_bss_expire(rdev
);
8407 cb
->seq
= rdev
->bss_generation
;
8409 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
8412 if (nl80211_send_bss(skb
, cb
,
8413 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8414 rdev
, wdev
, scan
) < 0) {
8420 spin_unlock_bh(&rdev
->bss_lock
);
8429 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
8430 int flags
, struct net_device
*dev
,
8431 bool allow_radio_stats
,
8432 struct survey_info
*survey
)
8435 struct nlattr
*infoattr
;
8437 /* skip radio stats if userspace didn't request them */
8438 if (!survey
->channel
&& !allow_radio_stats
)
8441 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
8442 NL80211_CMD_NEW_SURVEY_RESULTS
);
8446 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
8447 goto nla_put_failure
;
8449 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
8451 goto nla_put_failure
;
8453 if (survey
->channel
&&
8454 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
8455 survey
->channel
->center_freq
))
8456 goto nla_put_failure
;
8458 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
8459 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
8460 goto nla_put_failure
;
8461 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
8462 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
8463 goto nla_put_failure
;
8464 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
8465 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
8466 survey
->time
, NL80211_SURVEY_INFO_PAD
))
8467 goto nla_put_failure
;
8468 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
8469 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
8470 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
8471 goto nla_put_failure
;
8472 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
8473 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
8474 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
8475 goto nla_put_failure
;
8476 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
8477 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
8478 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
8479 goto nla_put_failure
;
8480 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
8481 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
8482 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
8483 goto nla_put_failure
;
8484 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
8485 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
8486 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
8487 goto nla_put_failure
;
8489 nla_nest_end(msg
, infoattr
);
8491 genlmsg_end(msg
, hdr
);
8495 genlmsg_cancel(msg
, hdr
);
8499 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
8501 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
8502 struct survey_info survey
;
8503 struct cfg80211_registered_device
*rdev
;
8504 struct wireless_dev
*wdev
;
8505 int survey_idx
= cb
->args
[2];
8510 res
= nl80211_prepare_wdev_dump(cb
, &rdev
, &wdev
);
8514 /* prepare_wdev_dump parsed the attributes */
8515 radio_stats
= attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
8517 if (!wdev
->netdev
) {
8522 if (!rdev
->ops
->dump_survey
) {
8528 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
8534 /* don't send disabled channels, but do send non-channel data */
8535 if (survey
.channel
&&
8536 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
8541 if (nl80211_send_survey(skb
,
8542 NETLINK_CB(cb
->skb
).portid
,
8543 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8544 wdev
->netdev
, radio_stats
, &survey
) < 0)
8550 cb
->args
[2] = survey_idx
;
8557 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
8559 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
8560 NL80211_WPA_VERSION_2
));
8563 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8565 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8566 struct net_device
*dev
= info
->user_ptr
[1];
8567 struct ieee80211_channel
*chan
;
8568 const u8
*bssid
, *ssid
, *ie
= NULL
, *auth_data
= NULL
;
8569 int err
, ssid_len
, ie_len
= 0, auth_data_len
= 0;
8570 enum nl80211_auth_type auth_type
;
8571 struct key_parse key
;
8572 bool local_state_change
;
8574 if (!info
->attrs
[NL80211_ATTR_MAC
])
8577 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
8580 if (!info
->attrs
[NL80211_ATTR_SSID
])
8583 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8586 err
= nl80211_parse_key(info
, &key
);
8591 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
8593 if (!key
.p
.key
|| !key
.p
.key_len
)
8595 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
8596 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
8597 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
8598 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
8611 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
8612 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
8621 if (!rdev
->ops
->auth
)
8624 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8625 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8628 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8629 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8630 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8634 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8635 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8637 if (info
->attrs
[NL80211_ATTR_IE
]) {
8638 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8639 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8642 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8643 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
8646 if ((auth_type
== NL80211_AUTHTYPE_SAE
||
8647 auth_type
== NL80211_AUTHTYPE_FILS_SK
||
8648 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
8649 auth_type
== NL80211_AUTHTYPE_FILS_PK
) &&
8650 !info
->attrs
[NL80211_ATTR_AUTH_DATA
])
8653 if (info
->attrs
[NL80211_ATTR_AUTH_DATA
]) {
8654 if (auth_type
!= NL80211_AUTHTYPE_SAE
&&
8655 auth_type
!= NL80211_AUTHTYPE_FILS_SK
&&
8656 auth_type
!= NL80211_AUTHTYPE_FILS_SK_PFS
&&
8657 auth_type
!= NL80211_AUTHTYPE_FILS_PK
)
8659 auth_data
= nla_data(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8660 auth_data_len
= nla_len(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8661 /* need to include at least Auth Transaction and Status Code */
8662 if (auth_data_len
< 4)
8666 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8669 * Since we no longer track auth state, ignore
8670 * requests to only change local state.
8672 if (local_state_change
)
8675 wdev_lock(dev
->ieee80211_ptr
);
8676 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
8677 ssid
, ssid_len
, ie
, ie_len
,
8678 key
.p
.key
, key
.p
.key_len
, key
.idx
,
8679 auth_data
, auth_data_len
);
8680 wdev_unlock(dev
->ieee80211_ptr
);
8684 static int validate_pae_over_nl80211(struct cfg80211_registered_device
*rdev
,
8685 struct genl_info
*info
)
8687 if (!info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
8688 GENL_SET_ERR_MSG(info
, "SOCKET_OWNER not set");
8692 if (!rdev
->ops
->tx_control_port
||
8693 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8694 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211
))
8700 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
8701 struct genl_info
*info
,
8702 struct cfg80211_crypto_settings
*settings
,
8705 memset(settings
, 0, sizeof(*settings
));
8707 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
8709 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
8712 proto
= nla_get_u16(
8713 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
8714 settings
->control_port_ethertype
= cpu_to_be16(proto
);
8715 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
8718 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
8719 settings
->control_port_no_encrypt
= true;
8721 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
8723 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_OVER_NL80211
]) {
8724 int r
= validate_pae_over_nl80211(rdev
, info
);
8729 settings
->control_port_over_nl80211
= true;
8732 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
8736 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8737 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8738 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
8740 if (len
% sizeof(u32
))
8743 if (settings
->n_ciphers_pairwise
> cipher_limit
)
8746 memcpy(settings
->ciphers_pairwise
, data
, len
);
8748 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
8749 if (!cfg80211_supported_cipher_suite(
8751 settings
->ciphers_pairwise
[i
]))
8755 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
8756 settings
->cipher_group
=
8757 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
8758 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
8759 settings
->cipher_group
))
8763 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
8764 settings
->wpa_versions
=
8765 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
8766 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
8770 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
8774 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8775 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8776 settings
->n_akm_suites
= len
/ sizeof(u32
);
8778 if (len
% sizeof(u32
))
8781 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
8784 memcpy(settings
->akm_suites
, data
, len
);
8787 if (info
->attrs
[NL80211_ATTR_PMK
]) {
8788 if (nla_len(info
->attrs
[NL80211_ATTR_PMK
]) != WLAN_PMK_LEN
)
8790 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8791 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK
))
8793 settings
->psk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
8799 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
8801 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8802 struct net_device
*dev
= info
->user_ptr
[1];
8803 struct ieee80211_channel
*chan
;
8804 struct cfg80211_assoc_request req
= {};
8805 const u8
*bssid
, *ssid
;
8806 int err
, ssid_len
= 0;
8808 if (dev
->ieee80211_ptr
->conn_owner_nlportid
&&
8809 dev
->ieee80211_ptr
->conn_owner_nlportid
!= info
->snd_portid
)
8812 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
8813 !info
->attrs
[NL80211_ATTR_SSID
] ||
8814 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8817 if (!rdev
->ops
->assoc
)
8820 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8821 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8824 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8826 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8827 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8831 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8832 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8834 if (info
->attrs
[NL80211_ATTR_IE
]) {
8835 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8836 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8839 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8840 enum nl80211_mfp mfp
=
8841 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8842 if (mfp
== NL80211_MFP_REQUIRED
)
8844 else if (mfp
!= NL80211_MFP_NO
)
8848 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8849 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8851 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8852 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
8854 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8855 memcpy(&req
.ht_capa_mask
,
8856 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8857 sizeof(req
.ht_capa_mask
));
8859 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8860 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8862 memcpy(&req
.ht_capa
,
8863 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8864 sizeof(req
.ht_capa
));
8867 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8868 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8870 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8871 memcpy(&req
.vht_capa_mask
,
8872 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8873 sizeof(req
.vht_capa_mask
));
8875 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8876 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8878 memcpy(&req
.vht_capa
,
8879 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8880 sizeof(req
.vht_capa
));
8883 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8884 if (!((rdev
->wiphy
.features
&
8885 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8886 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8887 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8888 NL80211_EXT_FEATURE_RRM
))
8890 req
.flags
|= ASSOC_REQ_USE_RRM
;
8893 if (info
->attrs
[NL80211_ATTR_FILS_KEK
]) {
8894 req
.fils_kek
= nla_data(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8895 req
.fils_kek_len
= nla_len(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8896 if (!info
->attrs
[NL80211_ATTR_FILS_NONCES
])
8899 nla_data(info
->attrs
[NL80211_ATTR_FILS_NONCES
]);
8902 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
8904 wdev_lock(dev
->ieee80211_ptr
);
8906 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
8907 ssid
, ssid_len
, &req
);
8909 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
8910 dev
->ieee80211_ptr
->conn_owner_nlportid
=
8912 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
8916 wdev_unlock(dev
->ieee80211_ptr
);
8922 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8924 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8925 struct net_device
*dev
= info
->user_ptr
[1];
8926 const u8
*ie
= NULL
, *bssid
;
8927 int ie_len
= 0, err
;
8929 bool local_state_change
;
8931 if (dev
->ieee80211_ptr
->conn_owner_nlportid
&&
8932 dev
->ieee80211_ptr
->conn_owner_nlportid
!= info
->snd_portid
)
8935 if (!info
->attrs
[NL80211_ATTR_MAC
])
8938 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8941 if (!rdev
->ops
->deauth
)
8944 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8945 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8948 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8950 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8951 if (reason_code
== 0) {
8952 /* Reason Code 0 is reserved */
8956 if (info
->attrs
[NL80211_ATTR_IE
]) {
8957 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8958 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8961 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8963 wdev_lock(dev
->ieee80211_ptr
);
8964 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8965 local_state_change
);
8966 wdev_unlock(dev
->ieee80211_ptr
);
8970 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
8972 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8973 struct net_device
*dev
= info
->user_ptr
[1];
8974 const u8
*ie
= NULL
, *bssid
;
8975 int ie_len
= 0, err
;
8977 bool local_state_change
;
8979 if (dev
->ieee80211_ptr
->conn_owner_nlportid
&&
8980 dev
->ieee80211_ptr
->conn_owner_nlportid
!= info
->snd_portid
)
8983 if (!info
->attrs
[NL80211_ATTR_MAC
])
8986 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8989 if (!rdev
->ops
->disassoc
)
8992 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8993 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8996 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8998 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8999 if (reason_code
== 0) {
9000 /* Reason Code 0 is reserved */
9004 if (info
->attrs
[NL80211_ATTR_IE
]) {
9005 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9006 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9009 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
9011 wdev_lock(dev
->ieee80211_ptr
);
9012 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
9013 local_state_change
);
9014 wdev_unlock(dev
->ieee80211_ptr
);
9019 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
9020 int mcast_rate
[NUM_NL80211_BANDS
],
9023 struct wiphy
*wiphy
= &rdev
->wiphy
;
9027 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
9028 struct ieee80211_supported_band
*sband
;
9030 sband
= wiphy
->bands
[band
];
9034 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
9035 if (sband
->bitrates
[i
].bitrate
== rateval
) {
9036 mcast_rate
[band
] = i
+ 1;
9046 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
9048 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9049 struct net_device
*dev
= info
->user_ptr
[1];
9050 struct cfg80211_ibss_params ibss
;
9051 struct wiphy
*wiphy
;
9052 struct cfg80211_cached_keys
*connkeys
= NULL
;
9055 memset(&ibss
, 0, sizeof(ibss
));
9057 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
9058 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
9061 ibss
.beacon_interval
= 100;
9063 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
])
9064 ibss
.beacon_interval
=
9065 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
9067 err
= cfg80211_validate_beacon_int(rdev
, NL80211_IFTYPE_ADHOC
,
9068 ibss
.beacon_interval
);
9072 if (!rdev
->ops
->join_ibss
)
9075 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
9078 wiphy
= &rdev
->wiphy
;
9080 if (info
->attrs
[NL80211_ATTR_MAC
]) {
9081 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9083 if (!is_valid_ether_addr(ibss
.bssid
))
9086 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
9087 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
9089 if (info
->attrs
[NL80211_ATTR_IE
]) {
9090 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9091 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9094 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
9098 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
9099 NL80211_IFTYPE_ADHOC
))
9102 switch (ibss
.chandef
.width
) {
9103 case NL80211_CHAN_WIDTH_5
:
9104 case NL80211_CHAN_WIDTH_10
:
9105 case NL80211_CHAN_WIDTH_20_NOHT
:
9107 case NL80211_CHAN_WIDTH_20
:
9108 case NL80211_CHAN_WIDTH_40
:
9109 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
9112 case NL80211_CHAN_WIDTH_80
:
9113 case NL80211_CHAN_WIDTH_80P80
:
9114 case NL80211_CHAN_WIDTH_160
:
9115 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
9117 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
9118 NL80211_EXT_FEATURE_VHT_IBSS
))
9125 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
9126 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
9128 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
9130 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9132 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9133 struct ieee80211_supported_band
*sband
=
9134 wiphy
->bands
[ibss
.chandef
.chan
->band
];
9136 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
9142 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
9143 memcpy(&ibss
.ht_capa_mask
,
9144 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
9145 sizeof(ibss
.ht_capa_mask
));
9147 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
9148 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
9150 memcpy(&ibss
.ht_capa
,
9151 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
9152 sizeof(ibss
.ht_capa
));
9155 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9156 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
9157 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
9160 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
9163 connkeys
= nl80211_parse_connkeys(rdev
, info
, &no_ht
);
9164 if (IS_ERR(connkeys
))
9165 return PTR_ERR(connkeys
);
9167 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
9175 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
9177 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_OVER_NL80211
]) {
9178 int r
= validate_pae_over_nl80211(rdev
, info
);
9185 ibss
.control_port_over_nl80211
= true;
9188 ibss
.userspace_handles_dfs
=
9189 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
9191 wdev_lock(dev
->ieee80211_ptr
);
9192 err
= __cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
9195 else if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
9196 dev
->ieee80211_ptr
->conn_owner_nlportid
= info
->snd_portid
;
9197 wdev_unlock(dev
->ieee80211_ptr
);
9202 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
9204 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9205 struct net_device
*dev
= info
->user_ptr
[1];
9207 if (!rdev
->ops
->leave_ibss
)
9210 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
9213 return cfg80211_leave_ibss(rdev
, dev
, false);
9216 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
9218 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9219 struct net_device
*dev
= info
->user_ptr
[1];
9220 int mcast_rate
[NUM_NL80211_BANDS
];
9224 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
9225 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
9226 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
9229 if (!rdev
->ops
->set_mcast_rate
)
9232 memset(mcast_rate
, 0, sizeof(mcast_rate
));
9234 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
9237 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
9238 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
9241 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
9246 static struct sk_buff
*
9247 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
9248 struct wireless_dev
*wdev
, int approxlen
,
9249 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
9250 enum nl80211_attrs attr
,
9251 const struct nl80211_vendor_cmd_info
*info
,
9254 struct sk_buff
*skb
;
9256 struct nlattr
*data
;
9258 skb
= nlmsg_new(approxlen
+ 100, gfp
);
9262 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
9268 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
9269 goto nla_put_failure
;
9272 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
9274 goto nla_put_failure
;
9275 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
9277 goto nla_put_failure
;
9281 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
9282 wdev_id(wdev
), NL80211_ATTR_PAD
))
9283 goto nla_put_failure
;
9285 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
9286 wdev
->netdev
->ifindex
))
9287 goto nla_put_failure
;
9290 data
= nla_nest_start(skb
, attr
);
9292 goto nla_put_failure
;
9294 ((void **)skb
->cb
)[0] = rdev
;
9295 ((void **)skb
->cb
)[1] = hdr
;
9296 ((void **)skb
->cb
)[2] = data
;
9305 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
9306 struct wireless_dev
*wdev
,
9307 enum nl80211_commands cmd
,
9308 enum nl80211_attrs attr
,
9309 unsigned int portid
,
9310 int vendor_event_idx
,
9311 int approxlen
, gfp_t gfp
)
9313 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9314 const struct nl80211_vendor_cmd_info
*info
;
9317 case NL80211_CMD_TESTMODE
:
9318 if (WARN_ON(vendor_event_idx
!= -1))
9322 case NL80211_CMD_VENDOR
:
9323 if (WARN_ON(vendor_event_idx
< 0 ||
9324 vendor_event_idx
>= wiphy
->n_vendor_events
))
9326 info
= &wiphy
->vendor_events
[vendor_event_idx
];
9333 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, portid
, 0,
9334 cmd
, attr
, info
, gfp
);
9336 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
9338 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
9340 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9341 void *hdr
= ((void **)skb
->cb
)[1];
9342 struct nlmsghdr
*nlhdr
= nlmsg_hdr(skb
);
9343 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9344 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
9346 /* clear CB data for netlink core to own from now on */
9347 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9349 nla_nest_end(skb
, data
);
9350 genlmsg_end(skb
, hdr
);
9352 if (nlhdr
->nlmsg_pid
) {
9353 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), skb
,
9356 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
9357 mcgrp
= NL80211_MCGRP_VENDOR
;
9359 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
9360 skb
, 0, mcgrp
, gfp
);
9363 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
9365 #ifdef CONFIG_NL80211_TESTMODE
9366 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
9368 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9369 struct wireless_dev
*wdev
=
9370 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9373 if (!rdev
->ops
->testmode_cmd
)
9377 err
= PTR_ERR(wdev
);
9381 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9385 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
9388 rdev
->cur_cmd_info
= info
;
9389 err
= rdev_testmode_cmd(rdev
, wdev
,
9390 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
9391 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
9392 rdev
->cur_cmd_info
= NULL
;
9397 static int nl80211_testmode_dump(struct sk_buff
*skb
,
9398 struct netlink_callback
*cb
)
9400 struct cfg80211_registered_device
*rdev
;
9410 * 0 is a valid index, but not valid for args[0],
9411 * so we need to offset by 1.
9413 phy_idx
= cb
->args
[0] - 1;
9415 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
9421 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
9423 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
9424 attrbuf
, nl80211_fam
.maxattr
,
9425 nl80211_policy
, NULL
);
9429 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
9431 err
= PTR_ERR(rdev
);
9434 phy_idx
= rdev
->wiphy_idx
;
9436 if (attrbuf
[NL80211_ATTR_TESTDATA
])
9437 cb
->args
[1] = (long)attrbuf
[NL80211_ATTR_TESTDATA
];
9441 data
= nla_data((void *)cb
->args
[1]);
9442 data_len
= nla_len((void *)cb
->args
[1]);
9445 if (!rdev
->ops
->testmode_dump
) {
9451 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
9452 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
9453 NL80211_CMD_TESTMODE
);
9454 struct nlattr
*tmdata
;
9459 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
9460 genlmsg_cancel(skb
, hdr
);
9464 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
9466 genlmsg_cancel(skb
, hdr
);
9469 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
9470 nla_nest_end(skb
, tmdata
);
9472 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
9473 genlmsg_cancel(skb
, hdr
);
9476 genlmsg_cancel(skb
, hdr
);
9480 genlmsg_end(skb
, hdr
);
9485 cb
->args
[0] = phy_idx
+ 1;
9492 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
9494 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9495 struct net_device
*dev
= info
->user_ptr
[1];
9496 struct cfg80211_connect_params connect
;
9497 struct wiphy
*wiphy
;
9498 struct cfg80211_cached_keys
*connkeys
= NULL
;
9501 memset(&connect
, 0, sizeof(connect
));
9503 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
9504 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
9507 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
9509 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
9510 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
9511 NL80211_CMD_CONNECT
))
9514 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
9516 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
9518 if (info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
] &&
9519 !wiphy_ext_feature_isset(&rdev
->wiphy
,
9520 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
9522 connect
.want_1x
= info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
];
9524 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
9525 NL80211_MAX_NR_CIPHER_SUITES
);
9529 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9530 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9533 wiphy
= &rdev
->wiphy
;
9535 connect
.bg_scan_period
= -1;
9536 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
9537 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
9538 connect
.bg_scan_period
=
9539 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
9542 if (info
->attrs
[NL80211_ATTR_MAC
])
9543 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9544 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
9545 connect
.bssid_hint
=
9546 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
9547 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
9548 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
9550 if (info
->attrs
[NL80211_ATTR_IE
]) {
9551 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9552 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9555 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
9556 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
9557 if (connect
.mfp
== NL80211_MFP_OPTIONAL
&&
9558 !wiphy_ext_feature_isset(&rdev
->wiphy
,
9559 NL80211_EXT_FEATURE_MFP_OPTIONAL
))
9562 connect
.mfp
= NL80211_MFP_NO
;
9565 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
9566 connect
.prev_bssid
=
9567 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
9569 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9570 connect
.channel
= nl80211_get_valid_chan(
9571 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
9572 if (!connect
.channel
)
9574 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
9575 connect
.channel_hint
= nl80211_get_valid_chan(
9576 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
9577 if (!connect
.channel_hint
)
9581 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
9582 connkeys
= nl80211_parse_connkeys(rdev
, info
, NULL
);
9583 if (IS_ERR(connkeys
))
9584 return PTR_ERR(connkeys
);
9587 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
9588 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
9590 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
9591 memcpy(&connect
.ht_capa_mask
,
9592 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
9593 sizeof(connect
.ht_capa_mask
));
9595 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
9596 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
9600 memcpy(&connect
.ht_capa
,
9601 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
9602 sizeof(connect
.ht_capa
));
9605 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
9606 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
9608 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
9609 memcpy(&connect
.vht_capa_mask
,
9610 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
9611 sizeof(connect
.vht_capa_mask
));
9613 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
9614 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
9618 memcpy(&connect
.vht_capa
,
9619 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
9620 sizeof(connect
.vht_capa
));
9623 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
9624 if (!((rdev
->wiphy
.features
&
9625 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
9626 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
9627 !wiphy_ext_feature_isset(&rdev
->wiphy
,
9628 NL80211_EXT_FEATURE_RRM
)) {
9632 connect
.flags
|= ASSOC_REQ_USE_RRM
;
9635 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
9636 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
9641 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
9642 /* bss selection makes no sense if bssid is set */
9643 if (connect
.bssid
) {
9648 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
9649 wiphy
, &connect
.bss_select
);
9656 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
9657 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
9658 info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] &&
9659 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] &&
9660 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] &&
9661 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9662 connect
.fils_erp_username
=
9663 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9664 connect
.fils_erp_username_len
=
9665 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9666 connect
.fils_erp_realm
=
9667 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9668 connect
.fils_erp_realm_len
=
9669 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9670 connect
.fils_erp_next_seq_num
=
9672 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
]);
9673 connect
.fils_erp_rrk
=
9674 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9675 connect
.fils_erp_rrk_len
=
9676 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9677 } else if (info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] ||
9678 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] ||
9679 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] ||
9680 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9685 if (nla_get_flag(info
->attrs
[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT
])) {
9686 if (!info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
9688 GENL_SET_ERR_MSG(info
,
9689 "external auth requires connection ownership");
9692 connect
.flags
|= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT
;
9695 wdev_lock(dev
->ieee80211_ptr
);
9697 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
9698 connect
.prev_bssid
);
9702 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
9703 dev
->ieee80211_ptr
->conn_owner_nlportid
= info
->snd_portid
;
9705 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
9706 connect
.bssid
, ETH_ALEN
);
9708 memset(dev
->ieee80211_ptr
->disconnect_bssid
,
9712 wdev_unlock(dev
->ieee80211_ptr
);
9717 static int nl80211_update_connect_params(struct sk_buff
*skb
,
9718 struct genl_info
*info
)
9720 struct cfg80211_connect_params connect
= {};
9721 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9722 struct net_device
*dev
= info
->user_ptr
[1];
9723 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9724 bool fils_sk_offload
;
9729 if (!rdev
->ops
->update_connect_params
)
9732 if (info
->attrs
[NL80211_ATTR_IE
]) {
9733 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9734 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9735 changed
|= UPDATE_ASSOC_IES
;
9738 fils_sk_offload
= wiphy_ext_feature_isset(&rdev
->wiphy
,
9739 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
);
9742 * when driver supports fils-sk offload all attributes must be
9743 * provided. So the else covers "fils-sk-not-all" and
9746 if (fils_sk_offload
&&
9747 info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] &&
9748 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] &&
9749 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] &&
9750 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9751 connect
.fils_erp_username
=
9752 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9753 connect
.fils_erp_username_len
=
9754 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9755 connect
.fils_erp_realm
=
9756 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9757 connect
.fils_erp_realm_len
=
9758 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9759 connect
.fils_erp_next_seq_num
=
9761 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
]);
9762 connect
.fils_erp_rrk
=
9763 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9764 connect
.fils_erp_rrk_len
=
9765 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9766 changed
|= UPDATE_FILS_ERP_INFO
;
9767 } else if (info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] ||
9768 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] ||
9769 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] ||
9770 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9774 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
9775 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
9776 if (!nl80211_valid_auth_type(rdev
, auth_type
,
9777 NL80211_CMD_CONNECT
))
9780 if (auth_type
== NL80211_AUTHTYPE_FILS_SK
&&
9781 fils_sk_offload
&& !(changed
& UPDATE_FILS_ERP_INFO
))
9784 connect
.auth_type
= auth_type
;
9785 changed
|= UPDATE_AUTH_TYPE
;
9788 wdev_lock(dev
->ieee80211_ptr
);
9789 if (!wdev
->current_bss
)
9792 ret
= rdev_update_connect_params(rdev
, dev
, &connect
, changed
);
9793 wdev_unlock(dev
->ieee80211_ptr
);
9798 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
9800 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9801 struct net_device
*dev
= info
->user_ptr
[1];
9805 if (dev
->ieee80211_ptr
->conn_owner_nlportid
&&
9806 dev
->ieee80211_ptr
->conn_owner_nlportid
!= info
->snd_portid
)
9809 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
9810 reason
= WLAN_REASON_DEAUTH_LEAVING
;
9812 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
9817 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9818 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9821 wdev_lock(dev
->ieee80211_ptr
);
9822 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
9823 wdev_unlock(dev
->ieee80211_ptr
);
9827 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
9829 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9833 if (info
->attrs
[NL80211_ATTR_PID
]) {
9834 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
9836 net
= get_net_ns_by_pid(pid
);
9837 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
9838 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
9840 net
= get_net_ns_by_fd(fd
);
9846 return PTR_ERR(net
);
9850 /* check if anything to do */
9851 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
9852 err
= cfg80211_switch_netns(rdev
, net
);
9858 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9860 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9861 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
9862 struct cfg80211_pmksa
*pmksa
) = NULL
;
9863 struct net_device
*dev
= info
->user_ptr
[1];
9864 struct cfg80211_pmksa pmksa
;
9866 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
9868 if (!info
->attrs
[NL80211_ATTR_PMKID
])
9871 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
9873 if (info
->attrs
[NL80211_ATTR_MAC
]) {
9874 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9875 } else if (info
->attrs
[NL80211_ATTR_SSID
] &&
9876 info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
] &&
9877 (info
->genlhdr
->cmd
== NL80211_CMD_DEL_PMKSA
||
9878 info
->attrs
[NL80211_ATTR_PMK
])) {
9879 pmksa
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
9880 pmksa
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
9882 nla_data(info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
]);
9886 if (info
->attrs
[NL80211_ATTR_PMK
]) {
9887 pmksa
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
9888 pmksa
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
9891 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9892 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
9893 !(dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_AP
&&
9894 wiphy_ext_feature_isset(&rdev
->wiphy
,
9895 NL80211_EXT_FEATURE_AP_PMKSA_CACHING
)))
9898 switch (info
->genlhdr
->cmd
) {
9899 case NL80211_CMD_SET_PMKSA
:
9900 rdev_ops
= rdev
->ops
->set_pmksa
;
9902 case NL80211_CMD_DEL_PMKSA
:
9903 rdev_ops
= rdev
->ops
->del_pmksa
;
9913 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
9916 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9918 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9919 struct net_device
*dev
= info
->user_ptr
[1];
9921 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9922 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9925 if (!rdev
->ops
->flush_pmksa
)
9928 return rdev_flush_pmksa(rdev
, dev
);
9931 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9933 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9934 struct net_device
*dev
= info
->user_ptr
[1];
9935 u8 action_code
, dialog_token
;
9936 u32 peer_capability
= 0;
9941 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9942 !rdev
->ops
->tdls_mgmt
)
9945 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
9946 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
9947 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
9948 !info
->attrs
[NL80211_ATTR_IE
] ||
9949 !info
->attrs
[NL80211_ATTR_MAC
])
9952 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9953 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
9954 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
9955 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
9956 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
9957 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
9959 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
9961 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
9962 dialog_token
, status_code
, peer_capability
,
9964 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
9965 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
9968 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
9970 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9971 struct net_device
*dev
= info
->user_ptr
[1];
9972 enum nl80211_tdls_operation operation
;
9975 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9976 !rdev
->ops
->tdls_oper
)
9979 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
9980 !info
->attrs
[NL80211_ATTR_MAC
])
9983 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
9984 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9986 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
9989 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
9990 struct genl_info
*info
)
9992 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9993 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9994 struct cfg80211_chan_def chandef
;
9995 const struct cfg80211_chan_def
*compat_chandef
;
9996 struct sk_buff
*msg
;
10002 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
10003 !info
->attrs
[NL80211_ATTR_DURATION
])
10006 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
10008 if (!rdev
->ops
->remain_on_channel
||
10009 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
10010 return -EOPNOTSUPP
;
10013 * We should be on that channel for at least a minimum amount of
10014 * time (10ms) but no longer than the driver supports.
10016 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
10017 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
10020 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
10025 if (!cfg80211_off_channel_oper_allowed(wdev
) &&
10026 !cfg80211_chandef_identical(&wdev
->chandef
, &chandef
)) {
10027 compat_chandef
= cfg80211_chandef_compatible(&wdev
->chandef
,
10029 if (compat_chandef
!= &chandef
) {
10036 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10040 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10041 NL80211_CMD_REMAIN_ON_CHANNEL
);
10047 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
10048 duration
, &cookie
);
10053 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
10055 goto nla_put_failure
;
10057 genlmsg_end(msg
, hdr
);
10059 return genlmsg_reply(msg
, info
);
10068 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
10069 struct genl_info
*info
)
10071 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10072 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10075 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
10078 if (!rdev
->ops
->cancel_remain_on_channel
)
10079 return -EOPNOTSUPP
;
10081 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
10083 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
10086 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
10087 struct genl_info
*info
)
10089 struct cfg80211_bitrate_mask mask
;
10090 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10091 struct net_device
*dev
= info
->user_ptr
[1];
10094 if (!rdev
->ops
->set_bitrate_mask
)
10095 return -EOPNOTSUPP
;
10097 err
= nl80211_parse_tx_bitrate_mask(info
, &mask
);
10101 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
10104 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
10106 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10107 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10108 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
10110 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
10113 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
10114 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
10116 switch (wdev
->iftype
) {
10117 case NL80211_IFTYPE_STATION
:
10118 case NL80211_IFTYPE_ADHOC
:
10119 case NL80211_IFTYPE_P2P_CLIENT
:
10120 case NL80211_IFTYPE_AP
:
10121 case NL80211_IFTYPE_AP_VLAN
:
10122 case NL80211_IFTYPE_MESH_POINT
:
10123 case NL80211_IFTYPE_P2P_GO
:
10124 case NL80211_IFTYPE_P2P_DEVICE
:
10126 case NL80211_IFTYPE_NAN
:
10128 return -EOPNOTSUPP
;
10131 /* not much point in registering if we can't reply */
10132 if (!rdev
->ops
->mgmt_tx
)
10133 return -EOPNOTSUPP
;
10135 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
10136 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
10137 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
10140 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
10142 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10143 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10144 struct cfg80211_chan_def chandef
;
10148 struct sk_buff
*msg
= NULL
;
10149 struct cfg80211_mgmt_tx_params params
= {
10150 .dont_wait_for_ack
=
10151 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
10154 if (!info
->attrs
[NL80211_ATTR_FRAME
])
10157 if (!rdev
->ops
->mgmt_tx
)
10158 return -EOPNOTSUPP
;
10160 switch (wdev
->iftype
) {
10161 case NL80211_IFTYPE_P2P_DEVICE
:
10162 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
10164 case NL80211_IFTYPE_STATION
:
10165 case NL80211_IFTYPE_ADHOC
:
10166 case NL80211_IFTYPE_P2P_CLIENT
:
10167 case NL80211_IFTYPE_AP
:
10168 case NL80211_IFTYPE_AP_VLAN
:
10169 case NL80211_IFTYPE_MESH_POINT
:
10170 case NL80211_IFTYPE_P2P_GO
:
10172 case NL80211_IFTYPE_NAN
:
10174 return -EOPNOTSUPP
;
10177 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
10178 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
10180 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
10183 * We should wait on the channel for at least a minimum amount
10184 * of time (10ms) but no longer than the driver supports.
10186 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
10187 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
10191 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
10193 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
10196 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
10198 /* get the channel if any has been specified, otherwise pass NULL to
10199 * the driver. The latter will use the current one
10201 chandef
.chan
= NULL
;
10202 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
10203 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
10208 if (!chandef
.chan
&& params
.offchan
)
10212 if (params
.offchan
&& !cfg80211_off_channel_oper_allowed(wdev
)) {
10218 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
10219 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
10221 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
10222 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
10225 if (len
% sizeof(u16
))
10228 params
.n_csa_offsets
= len
/ sizeof(u16
);
10229 params
.csa_offsets
=
10230 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
10232 /* check that all the offsets fit the frame */
10233 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
10234 if (params
.csa_offsets
[i
] >= params
.len
)
10239 if (!params
.dont_wait_for_ack
) {
10240 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10244 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10245 NL80211_CMD_FRAME
);
10252 params
.chan
= chandef
.chan
;
10253 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
10258 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
10260 goto nla_put_failure
;
10262 genlmsg_end(msg
, hdr
);
10263 return genlmsg_reply(msg
, info
);
10275 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
10277 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10278 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10281 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
10284 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
10285 return -EOPNOTSUPP
;
10287 switch (wdev
->iftype
) {
10288 case NL80211_IFTYPE_STATION
:
10289 case NL80211_IFTYPE_ADHOC
:
10290 case NL80211_IFTYPE_P2P_CLIENT
:
10291 case NL80211_IFTYPE_AP
:
10292 case NL80211_IFTYPE_AP_VLAN
:
10293 case NL80211_IFTYPE_P2P_GO
:
10294 case NL80211_IFTYPE_P2P_DEVICE
:
10296 case NL80211_IFTYPE_NAN
:
10298 return -EOPNOTSUPP
;
10301 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
10303 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
10306 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
10308 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10309 struct wireless_dev
*wdev
;
10310 struct net_device
*dev
= info
->user_ptr
[1];
10315 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
10318 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
10320 wdev
= dev
->ieee80211_ptr
;
10322 if (!rdev
->ops
->set_power_mgmt
)
10323 return -EOPNOTSUPP
;
10325 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
10327 if (state
== wdev
->ps
)
10330 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
10336 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
10338 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10339 enum nl80211_ps_state ps_state
;
10340 struct wireless_dev
*wdev
;
10341 struct net_device
*dev
= info
->user_ptr
[1];
10342 struct sk_buff
*msg
;
10346 wdev
= dev
->ieee80211_ptr
;
10348 if (!rdev
->ops
->set_power_mgmt
)
10349 return -EOPNOTSUPP
;
10351 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10355 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10356 NL80211_CMD_GET_POWER_SAVE
);
10363 ps_state
= NL80211_PS_ENABLED
;
10365 ps_state
= NL80211_PS_DISABLED
;
10367 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
10368 goto nla_put_failure
;
10370 genlmsg_end(msg
, hdr
);
10371 return genlmsg_reply(msg
, info
);
10380 static const struct nla_policy
10381 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
10382 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_BINARY
},
10383 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
10384 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
10385 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
10386 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
10387 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
10388 [NL80211_ATTR_CQM_RSSI_LEVEL
] = { .type
= NLA_S32
},
10391 static int nl80211_set_cqm_txe(struct genl_info
*info
,
10392 u32 rate
, u32 pkts
, u32 intvl
)
10394 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10395 struct net_device
*dev
= info
->user_ptr
[1];
10396 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10398 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
10401 if (!rdev
->ops
->set_cqm_txe_config
)
10402 return -EOPNOTSUPP
;
10404 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
10405 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
10406 return -EOPNOTSUPP
;
10408 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
10411 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device
*rdev
,
10412 struct net_device
*dev
)
10414 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10415 s32 last
, low
, high
;
10417 int i
, n
, low_index
;
10420 /* RSSI reporting disabled? */
10421 if (!wdev
->cqm_config
)
10422 return rdev_set_cqm_rssi_range_config(rdev
, dev
, 0, 0);
10425 * Obtain current RSSI value if possible, if not and no RSSI threshold
10426 * event has been received yet, we should receive an event after a
10427 * connection is established and enough beacons received to calculate
10430 if (!wdev
->cqm_config
->last_rssi_event_value
&& wdev
->current_bss
&&
10431 rdev
->ops
->get_station
) {
10432 struct station_info sinfo
= {};
10435 mac_addr
= wdev
->current_bss
->pub
.bssid
;
10437 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
10441 if (sinfo
.filled
& BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG
))
10442 wdev
->cqm_config
->last_rssi_event_value
=
10443 (s8
) sinfo
.rx_beacon_signal_avg
;
10446 last
= wdev
->cqm_config
->last_rssi_event_value
;
10447 hyst
= wdev
->cqm_config
->rssi_hyst
;
10448 n
= wdev
->cqm_config
->n_rssi_thresholds
;
10450 for (i
= 0; i
< n
; i
++)
10451 if (last
< wdev
->cqm_config
->rssi_thresholds
[i
])
10455 if (low_index
>= 0) {
10456 low_index
= array_index_nospec(low_index
, n
);
10457 low
= wdev
->cqm_config
->rssi_thresholds
[low_index
] - hyst
;
10462 i
= array_index_nospec(i
, n
);
10463 high
= wdev
->cqm_config
->rssi_thresholds
[i
] + hyst
- 1;
10468 return rdev_set_cqm_rssi_range_config(rdev
, dev
, low
, high
);
10471 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
10472 const s32
*thresholds
, int n_thresholds
,
10475 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10476 struct net_device
*dev
= info
->user_ptr
[1];
10477 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10479 s32 prev
= S32_MIN
;
10481 /* Check all values negative and sorted */
10482 for (i
= 0; i
< n_thresholds
; i
++) {
10483 if (thresholds
[i
] > 0 || thresholds
[i
] <= prev
)
10486 prev
= thresholds
[i
];
10489 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
10490 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
10491 return -EOPNOTSUPP
;
10494 cfg80211_cqm_config_free(wdev
);
10497 if (n_thresholds
<= 1 && rdev
->ops
->set_cqm_rssi_config
) {
10498 if (n_thresholds
== 0 || thresholds
[0] == 0) /* Disabling */
10499 return rdev_set_cqm_rssi_config(rdev
, dev
, 0, 0);
10501 return rdev_set_cqm_rssi_config(rdev
, dev
,
10502 thresholds
[0], hysteresis
);
10505 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
10506 NL80211_EXT_FEATURE_CQM_RSSI_LIST
))
10507 return -EOPNOTSUPP
;
10509 if (n_thresholds
== 1 && thresholds
[0] == 0) /* Disabling */
10513 if (n_thresholds
) {
10514 struct cfg80211_cqm_config
*cqm_config
;
10516 cqm_config
= kzalloc(sizeof(struct cfg80211_cqm_config
) +
10517 n_thresholds
* sizeof(s32
), GFP_KERNEL
);
10523 cqm_config
->rssi_hyst
= hysteresis
;
10524 cqm_config
->n_rssi_thresholds
= n_thresholds
;
10525 memcpy(cqm_config
->rssi_thresholds
, thresholds
,
10526 n_thresholds
* sizeof(s32
));
10528 wdev
->cqm_config
= cqm_config
;
10531 err
= cfg80211_cqm_rssi_update(rdev
, dev
);
10539 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
10541 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
10542 struct nlattr
*cqm
;
10545 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
10549 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
10550 nl80211_attr_cqm_policy
, info
->extack
);
10554 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
10555 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
10556 const s32
*thresholds
=
10557 nla_data(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
10558 int len
= nla_len(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
10559 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
10564 return nl80211_set_cqm_rssi(info
, thresholds
, len
/ 4,
10568 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
10569 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
10570 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
10571 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
10572 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
10573 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
10575 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
10581 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
10583 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10584 struct net_device
*dev
= info
->user_ptr
[1];
10585 struct ocb_setup setup
= {};
10588 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
10592 return cfg80211_join_ocb(rdev
, dev
, &setup
);
10595 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
10597 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10598 struct net_device
*dev
= info
->user_ptr
[1];
10600 return cfg80211_leave_ocb(rdev
, dev
);
10603 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
10605 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10606 struct net_device
*dev
= info
->user_ptr
[1];
10607 struct mesh_config cfg
;
10608 struct mesh_setup setup
;
10611 /* start with default */
10612 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
10613 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
10615 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
10616 /* and parse parameters if given */
10617 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
10622 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
10623 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
10626 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
10627 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
10629 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
10630 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
10631 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
10634 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
10635 setup
.beacon_interval
=
10636 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
10638 err
= cfg80211_validate_beacon_int(rdev
,
10639 NL80211_IFTYPE_MESH_POINT
,
10640 setup
.beacon_interval
);
10645 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
10646 setup
.dtim_period
=
10647 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
10648 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
10652 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
10653 /* parse additional setup parameters if given */
10654 err
= nl80211_parse_mesh_setup(info
, &setup
);
10659 if (setup
.user_mpm
)
10660 cfg
.auto_open_plinks
= false;
10662 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
10663 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
10667 /* __cfg80211_join_mesh() will sort it out */
10668 setup
.chandef
.chan
= NULL
;
10671 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
10672 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10674 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10675 struct ieee80211_supported_band
*sband
;
10677 if (!setup
.chandef
.chan
)
10680 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
10682 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
10683 &setup
.basic_rates
);
10688 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
10689 err
= nl80211_parse_tx_bitrate_mask(info
, &setup
.beacon_rate
);
10693 if (!setup
.chandef
.chan
)
10696 err
= validate_beacon_tx_rate(rdev
, setup
.chandef
.chan
->band
,
10697 &setup
.beacon_rate
);
10702 setup
.userspace_handles_dfs
=
10703 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
10705 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_OVER_NL80211
]) {
10706 int r
= validate_pae_over_nl80211(rdev
, info
);
10711 setup
.control_port_over_nl80211
= true;
10714 wdev_lock(dev
->ieee80211_ptr
);
10715 err
= __cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
10716 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
10717 dev
->ieee80211_ptr
->conn_owner_nlportid
= info
->snd_portid
;
10718 wdev_unlock(dev
->ieee80211_ptr
);
10723 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
10725 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10726 struct net_device
*dev
= info
->user_ptr
[1];
10728 return cfg80211_leave_mesh(rdev
, dev
);
10732 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
10733 struct cfg80211_registered_device
*rdev
)
10735 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
10736 struct nlattr
*nl_pats
, *nl_pat
;
10739 if (!wowlan
->n_patterns
)
10742 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
10746 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
10747 nl_pat
= nla_nest_start(msg
, i
+ 1);
10750 pat_len
= wowlan
->patterns
[i
].pattern_len
;
10751 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
10752 wowlan
->patterns
[i
].mask
) ||
10753 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10754 wowlan
->patterns
[i
].pattern
) ||
10755 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10756 wowlan
->patterns
[i
].pkt_offset
))
10758 nla_nest_end(msg
, nl_pat
);
10760 nla_nest_end(msg
, nl_pats
);
10765 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
10766 struct cfg80211_wowlan_tcp
*tcp
)
10768 struct nlattr
*nl_tcp
;
10773 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
10777 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
10778 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
10779 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
10780 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
10781 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
10782 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
10783 tcp
->payload_len
, tcp
->payload
) ||
10784 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
10785 tcp
->data_interval
) ||
10786 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
10787 tcp
->wake_len
, tcp
->wake_data
) ||
10788 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
10789 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
10792 if (tcp
->payload_seq
.len
&&
10793 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
10794 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
10797 if (tcp
->payload_tok
.len
&&
10798 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
10799 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
10800 &tcp
->payload_tok
))
10803 nla_nest_end(msg
, nl_tcp
);
10808 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
10809 struct cfg80211_sched_scan_request
*req
)
10811 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
10817 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
10821 if (req
->n_scan_plans
== 1 &&
10822 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
10823 req
->scan_plans
[0].interval
* 1000))
10826 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
10829 if (req
->relative_rssi_set
) {
10830 struct nl80211_bss_select_rssi_adjust rssi_adjust
;
10832 if (nla_put_s8(msg
, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
,
10833 req
->relative_rssi
))
10836 rssi_adjust
.band
= req
->rssi_adjust
.band
;
10837 rssi_adjust
.delta
= req
->rssi_adjust
.delta
;
10838 if (nla_put(msg
, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
,
10839 sizeof(rssi_adjust
), &rssi_adjust
))
10843 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10847 for (i
= 0; i
< req
->n_channels
; i
++) {
10848 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10852 nla_nest_end(msg
, freqs
);
10854 if (req
->n_match_sets
) {
10855 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
10859 for (i
= 0; i
< req
->n_match_sets
; i
++) {
10860 match
= nla_nest_start(msg
, i
);
10864 if (nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
10865 req
->match_sets
[i
].ssid
.ssid_len
,
10866 req
->match_sets
[i
].ssid
.ssid
))
10868 nla_nest_end(msg
, match
);
10870 nla_nest_end(msg
, matches
);
10873 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
10877 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
10878 scan_plan
= nla_nest_start(msg
, i
+ 1);
10882 if (nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
10883 req
->scan_plans
[i
].interval
) ||
10884 (req
->scan_plans
[i
].iterations
&&
10885 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
10886 req
->scan_plans
[i
].iterations
)))
10888 nla_nest_end(msg
, scan_plan
);
10890 nla_nest_end(msg
, scan_plans
);
10892 nla_nest_end(msg
, nd
);
10897 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10899 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10900 struct sk_buff
*msg
;
10902 u32 size
= NLMSG_DEFAULT_SIZE
;
10904 if (!rdev
->wiphy
.wowlan
)
10905 return -EOPNOTSUPP
;
10907 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
10908 /* adjust size to have room for all the data */
10909 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
10910 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
10911 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
10912 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
10915 msg
= nlmsg_new(size
, GFP_KERNEL
);
10919 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10920 NL80211_CMD_GET_WOWLAN
);
10922 goto nla_put_failure
;
10924 if (rdev
->wiphy
.wowlan_config
) {
10925 struct nlattr
*nl_wowlan
;
10927 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
10929 goto nla_put_failure
;
10931 if ((rdev
->wiphy
.wowlan_config
->any
&&
10932 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
10933 (rdev
->wiphy
.wowlan_config
->disconnect
&&
10934 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
10935 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
10936 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
10937 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
10938 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
10939 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
10940 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
10941 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
10942 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
10943 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
10944 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
10945 goto nla_put_failure
;
10947 if (nl80211_send_wowlan_patterns(msg
, rdev
))
10948 goto nla_put_failure
;
10950 if (nl80211_send_wowlan_tcp(msg
,
10951 rdev
->wiphy
.wowlan_config
->tcp
))
10952 goto nla_put_failure
;
10954 if (nl80211_send_wowlan_nd(
10956 rdev
->wiphy
.wowlan_config
->nd_config
))
10957 goto nla_put_failure
;
10959 nla_nest_end(msg
, nl_wowlan
);
10962 genlmsg_end(msg
, hdr
);
10963 return genlmsg_reply(msg
, info
);
10970 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
10971 struct nlattr
*attr
,
10972 struct cfg80211_wowlan
*trig
)
10974 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
10975 struct cfg80211_wowlan_tcp
*cfg
;
10976 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
10977 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
10979 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
10982 if (!rdev
->wiphy
.wowlan
->tcp
)
10985 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TCP
, attr
,
10986 nl80211_wowlan_tcp_policy
, NULL
);
10990 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
10991 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
10992 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
10993 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
10994 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
10995 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
10996 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
10997 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
11000 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
11001 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
11004 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
11005 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
11006 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
11009 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
11010 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
11013 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
11014 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
11017 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
11018 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
11020 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
11021 tokens_size
= tokln
- sizeof(*tok
);
11023 if (!tok
->len
|| tokens_size
% tok
->len
)
11025 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
11027 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
11029 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
11031 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
11033 if (tok
->offset
+ tok
->len
> data_size
)
11037 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
11038 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
11039 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
11041 if (seq
->len
== 0 || seq
->len
> 4)
11043 if (seq
->len
+ seq
->offset
> data_size
)
11047 size
= sizeof(*cfg
);
11049 size
+= wake_size
+ wake_mask_size
;
11050 size
+= tokens_size
;
11052 cfg
= kzalloc(size
, GFP_KERNEL
);
11055 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
11056 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
11057 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
11059 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
11060 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
11064 /* allocate a socket and port for it and use it */
11065 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
11066 IPPROTO_TCP
, &cfg
->sock
, 1);
11071 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
11072 sock_release(cfg
->sock
);
11074 return -EADDRINUSE
;
11076 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
11082 cfg
->src_port
= port
;
11085 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
11086 cfg
->payload_len
= data_size
;
11087 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
11088 memcpy((void *)cfg
->payload
,
11089 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
11092 cfg
->payload_seq
= *seq
;
11093 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
11094 cfg
->wake_len
= wake_size
;
11095 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
11096 memcpy((void *)cfg
->wake_data
,
11097 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
11099 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
11100 data_size
+ wake_size
;
11101 memcpy((void *)cfg
->wake_mask
,
11102 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
11105 cfg
->tokens_size
= tokens_size
;
11106 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
11114 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
11115 const struct wiphy_wowlan_support
*wowlan
,
11116 struct nlattr
*attr
,
11117 struct cfg80211_wowlan
*trig
)
11119 struct nlattr
**tb
;
11122 tb
= kcalloc(NUM_NL80211_ATTR
, sizeof(*tb
), GFP_KERNEL
);
11126 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
11131 err
= nla_parse_nested(tb
, NL80211_ATTR_MAX
, attr
, nl80211_policy
,
11136 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
,
11137 wowlan
->max_nd_match_sets
);
11138 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
11140 trig
->nd_config
= NULL
;
11147 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
11149 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11150 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
11151 struct cfg80211_wowlan new_triggers
= {};
11152 struct cfg80211_wowlan
*ntrig
;
11153 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
11155 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
11156 bool regular
= false;
11159 return -EOPNOTSUPP
;
11161 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
11162 cfg80211_rdev_free_wowlan(rdev
);
11163 rdev
->wiphy
.wowlan_config
= NULL
;
11167 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TRIG
,
11168 info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
],
11169 nl80211_wowlan_policy
, info
->extack
);
11173 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
11174 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
11176 new_triggers
.any
= true;
11179 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
11180 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
11182 new_triggers
.disconnect
= true;
11186 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
11187 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
11189 new_triggers
.magic_pkt
= true;
11193 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
11196 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
11197 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
11199 new_triggers
.gtk_rekey_failure
= true;
11203 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
11204 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
11206 new_triggers
.eap_identity_req
= true;
11210 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
11211 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
11213 new_triggers
.four_way_handshake
= true;
11217 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
11218 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
11220 new_triggers
.rfkill_release
= true;
11224 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
11225 struct nlattr
*pat
;
11226 int n_patterns
= 0;
11227 int rem
, pat_len
, mask_len
, pkt_offset
;
11228 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
11232 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
11235 if (n_patterns
> wowlan
->n_patterns
)
11238 new_triggers
.patterns
= kcalloc(n_patterns
,
11239 sizeof(new_triggers
.patterns
[0]),
11241 if (!new_triggers
.patterns
)
11244 new_triggers
.n_patterns
= n_patterns
;
11247 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
11251 err
= nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
11252 nl80211_packet_pattern_policy
,
11258 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
11259 !pat_tb
[NL80211_PKTPAT_PATTERN
])
11261 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
11262 mask_len
= DIV_ROUND_UP(pat_len
, 8);
11263 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
11265 if (pat_len
> wowlan
->pattern_max_len
||
11266 pat_len
< wowlan
->pattern_min_len
)
11269 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
11272 pkt_offset
= nla_get_u32(
11273 pat_tb
[NL80211_PKTPAT_OFFSET
]);
11274 if (pkt_offset
> wowlan
->max_pkt_offset
)
11276 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
11278 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
11283 new_triggers
.patterns
[i
].mask
= mask_pat
;
11284 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
11286 mask_pat
+= mask_len
;
11287 new_triggers
.patterns
[i
].pattern
= mask_pat
;
11288 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
11290 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
11296 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
11298 err
= nl80211_parse_wowlan_tcp(
11299 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
11305 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
11307 err
= nl80211_parse_wowlan_nd(
11308 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
11314 /* The 'any' trigger means the device continues operating more or less
11315 * as in its normal operation mode and wakes up the host on most of the
11316 * normal interrupts (like packet RX, ...)
11317 * It therefore makes little sense to combine with the more constrained
11318 * wakeup trigger modes.
11320 if (new_triggers
.any
&& regular
) {
11325 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
11330 cfg80211_rdev_free_wowlan(rdev
);
11331 rdev
->wiphy
.wowlan_config
= ntrig
;
11334 if (rdev
->ops
->set_wakeup
&&
11335 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
11336 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
11340 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
11341 kfree(new_triggers
.patterns
[i
].mask
);
11342 kfree(new_triggers
.patterns
);
11343 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
11344 sock_release(new_triggers
.tcp
->sock
);
11345 kfree(new_triggers
.tcp
);
11346 kfree(new_triggers
.nd_config
);
11351 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
11352 struct cfg80211_registered_device
*rdev
)
11354 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
11356 struct cfg80211_coalesce_rules
*rule
;
11358 if (!rdev
->coalesce
->n_rules
)
11361 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
11365 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
11366 nl_rule
= nla_nest_start(msg
, i
+ 1);
11370 rule
= &rdev
->coalesce
->rules
[i
];
11371 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
11375 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
11379 nl_pats
= nla_nest_start(msg
,
11380 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
11384 for (j
= 0; j
< rule
->n_patterns
; j
++) {
11385 nl_pat
= nla_nest_start(msg
, j
+ 1);
11388 pat_len
= rule
->patterns
[j
].pattern_len
;
11389 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
11390 DIV_ROUND_UP(pat_len
, 8),
11391 rule
->patterns
[j
].mask
) ||
11392 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
11393 rule
->patterns
[j
].pattern
) ||
11394 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
11395 rule
->patterns
[j
].pkt_offset
))
11397 nla_nest_end(msg
, nl_pat
);
11399 nla_nest_end(msg
, nl_pats
);
11400 nla_nest_end(msg
, nl_rule
);
11402 nla_nest_end(msg
, nl_rules
);
11407 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
11409 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11410 struct sk_buff
*msg
;
11413 if (!rdev
->wiphy
.coalesce
)
11414 return -EOPNOTSUPP
;
11416 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11420 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11421 NL80211_CMD_GET_COALESCE
);
11423 goto nla_put_failure
;
11425 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
11426 goto nla_put_failure
;
11428 genlmsg_end(msg
, hdr
);
11429 return genlmsg_reply(msg
, info
);
11436 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
11438 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
11440 struct cfg80211_coalesce_rules
*rule
;
11445 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
11446 rule
= &coalesce
->rules
[i
];
11447 for (j
= 0; j
< rule
->n_patterns
; j
++)
11448 kfree(rule
->patterns
[j
].mask
);
11449 kfree(rule
->patterns
);
11451 kfree(coalesce
->rules
);
11453 rdev
->coalesce
= NULL
;
11456 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
11457 struct nlattr
*rule
,
11458 struct cfg80211_coalesce_rules
*new_rule
)
11461 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
11462 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
11463 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
11464 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
11466 err
= nla_parse_nested(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, rule
,
11467 nl80211_coalesce_policy
, NULL
);
11471 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
11473 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
11474 if (new_rule
->delay
> coalesce
->max_delay
)
11477 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
11478 new_rule
->condition
=
11479 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
11481 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
11484 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
11487 if (n_patterns
> coalesce
->n_patterns
)
11490 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
11492 if (!new_rule
->patterns
)
11495 new_rule
->n_patterns
= n_patterns
;
11498 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
11502 err
= nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
11503 nl80211_packet_pattern_policy
, NULL
);
11507 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
11508 !pat_tb
[NL80211_PKTPAT_PATTERN
])
11510 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
11511 mask_len
= DIV_ROUND_UP(pat_len
, 8);
11512 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
11514 if (pat_len
> coalesce
->pattern_max_len
||
11515 pat_len
< coalesce
->pattern_min_len
)
11518 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
11521 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
11522 if (pkt_offset
> coalesce
->max_pkt_offset
)
11524 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
11526 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
11530 new_rule
->patterns
[i
].mask
= mask_pat
;
11531 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
11534 mask_pat
+= mask_len
;
11535 new_rule
->patterns
[i
].pattern
= mask_pat
;
11536 new_rule
->patterns
[i
].pattern_len
= pat_len
;
11537 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
11545 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
11547 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11548 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
11549 struct cfg80211_coalesce new_coalesce
= {};
11550 struct cfg80211_coalesce
*n_coalesce
;
11551 int err
, rem_rule
, n_rules
= 0, i
, j
;
11552 struct nlattr
*rule
;
11553 struct cfg80211_coalesce_rules
*tmp_rule
;
11555 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
11556 return -EOPNOTSUPP
;
11558 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
11559 cfg80211_rdev_free_coalesce(rdev
);
11560 rdev_set_coalesce(rdev
, NULL
);
11564 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
11567 if (n_rules
> coalesce
->n_rules
)
11570 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
11572 if (!new_coalesce
.rules
)
11575 new_coalesce
.n_rules
= n_rules
;
11578 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
11580 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
11581 &new_coalesce
.rules
[i
]);
11588 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
11592 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
11597 cfg80211_rdev_free_coalesce(rdev
);
11598 rdev
->coalesce
= n_coalesce
;
11602 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
11603 tmp_rule
= &new_coalesce
.rules
[i
];
11604 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
11605 kfree(tmp_rule
->patterns
[j
].mask
);
11606 kfree(tmp_rule
->patterns
);
11608 kfree(new_coalesce
.rules
);
11613 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
11615 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11616 struct net_device
*dev
= info
->user_ptr
[1];
11617 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11618 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
11619 struct cfg80211_gtk_rekey_data rekey_data
;
11622 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
11625 err
= nla_parse_nested(tb
, MAX_NL80211_REKEY_DATA
,
11626 info
->attrs
[NL80211_ATTR_REKEY_DATA
],
11627 nl80211_rekey_policy
, info
->extack
);
11631 if (!tb
[NL80211_REKEY_DATA_REPLAY_CTR
] || !tb
[NL80211_REKEY_DATA_KEK
] ||
11632 !tb
[NL80211_REKEY_DATA_KCK
])
11634 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
11636 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
11638 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
11641 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
11642 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
11643 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
11646 if (!wdev
->current_bss
) {
11651 if (!rdev
->ops
->set_rekey_data
) {
11656 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
11662 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
11663 struct genl_info
*info
)
11665 struct net_device
*dev
= info
->user_ptr
[1];
11666 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11668 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11669 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11672 if (wdev
->ap_unexpected_nlportid
)
11675 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
11679 static int nl80211_probe_client(struct sk_buff
*skb
,
11680 struct genl_info
*info
)
11682 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11683 struct net_device
*dev
= info
->user_ptr
[1];
11684 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11685 struct sk_buff
*msg
;
11691 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11692 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11693 return -EOPNOTSUPP
;
11695 if (!info
->attrs
[NL80211_ATTR_MAC
])
11698 if (!rdev
->ops
->probe_client
)
11699 return -EOPNOTSUPP
;
11701 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11705 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11706 NL80211_CMD_PROBE_CLIENT
);
11712 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11714 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
11718 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11720 goto nla_put_failure
;
11722 genlmsg_end(msg
, hdr
);
11724 return genlmsg_reply(msg
, info
);
11733 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
11735 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11736 struct cfg80211_beacon_registration
*reg
, *nreg
;
11739 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
11740 return -EOPNOTSUPP
;
11742 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
11746 /* First, check if already registered. */
11747 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11748 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11749 if (reg
->nlportid
== info
->snd_portid
) {
11754 /* Add it to the list */
11755 nreg
->nlportid
= info
->snd_portid
;
11756 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
11758 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11762 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11767 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11769 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11770 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11773 if (!rdev
->ops
->start_p2p_device
)
11774 return -EOPNOTSUPP
;
11776 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11777 return -EOPNOTSUPP
;
11779 if (wdev_running(wdev
))
11782 if (rfkill_blocked(rdev
->rfkill
))
11785 err
= rdev_start_p2p_device(rdev
, wdev
);
11789 wdev
->is_running
= true;
11795 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11797 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11798 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11800 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11801 return -EOPNOTSUPP
;
11803 if (!rdev
->ops
->stop_p2p_device
)
11804 return -EOPNOTSUPP
;
11806 cfg80211_stop_p2p_device(rdev
, wdev
);
11811 static int nl80211_start_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11813 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11814 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11815 struct cfg80211_nan_conf conf
= {};
11818 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11819 return -EOPNOTSUPP
;
11821 if (wdev_running(wdev
))
11824 if (rfkill_blocked(rdev
->rfkill
))
11827 if (!info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
])
11831 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11833 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11834 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11836 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11837 return -EOPNOTSUPP
;
11839 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11842 conf
.bands
= bands
;
11845 err
= rdev_start_nan(rdev
, wdev
, &conf
);
11849 wdev
->is_running
= true;
11855 static int nl80211_stop_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11857 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11858 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11860 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11861 return -EOPNOTSUPP
;
11863 cfg80211_stop_nan(rdev
, wdev
);
11868 static int validate_nan_filter(struct nlattr
*filter_attr
)
11870 struct nlattr
*attr
;
11871 int len
= 0, n_entries
= 0, rem
;
11873 nla_for_each_nested(attr
, filter_attr
, rem
) {
11874 len
+= nla_len(attr
);
11884 static int handle_nan_filter(struct nlattr
*attr_filter
,
11885 struct cfg80211_nan_func
*func
,
11888 struct nlattr
*attr
;
11889 int n_entries
, rem
, i
;
11890 struct cfg80211_nan_func_filter
*filter
;
11892 n_entries
= validate_nan_filter(attr_filter
);
11896 BUILD_BUG_ON(sizeof(*func
->rx_filters
) != sizeof(*func
->tx_filters
));
11898 filter
= kcalloc(n_entries
, sizeof(*func
->rx_filters
), GFP_KERNEL
);
11903 nla_for_each_nested(attr
, attr_filter
, rem
) {
11904 filter
[i
].filter
= nla_memdup(attr
, GFP_KERNEL
);
11905 filter
[i
].len
= nla_len(attr
);
11909 func
->num_tx_filters
= n_entries
;
11910 func
->tx_filters
= filter
;
11912 func
->num_rx_filters
= n_entries
;
11913 func
->rx_filters
= filter
;
11919 static int nl80211_nan_add_func(struct sk_buff
*skb
,
11920 struct genl_info
*info
)
11922 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11923 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11924 struct nlattr
*tb
[NUM_NL80211_NAN_FUNC_ATTR
], *func_attr
;
11925 struct cfg80211_nan_func
*func
;
11926 struct sk_buff
*msg
= NULL
;
11930 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11931 return -EOPNOTSUPP
;
11933 if (!wdev_running(wdev
))
11936 if (!info
->attrs
[NL80211_ATTR_NAN_FUNC
])
11939 err
= nla_parse_nested(tb
, NL80211_NAN_FUNC_ATTR_MAX
,
11940 info
->attrs
[NL80211_ATTR_NAN_FUNC
],
11941 nl80211_nan_func_policy
, info
->extack
);
11945 func
= kzalloc(sizeof(*func
), GFP_KERNEL
);
11949 func
->cookie
= cfg80211_assign_cookie(rdev
);
11951 if (!tb
[NL80211_NAN_FUNC_TYPE
] ||
11952 nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]) > NL80211_NAN_FUNC_MAX_TYPE
) {
11958 func
->type
= nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]);
11960 if (!tb
[NL80211_NAN_FUNC_SERVICE_ID
]) {
11965 memcpy(func
->service_id
, nla_data(tb
[NL80211_NAN_FUNC_SERVICE_ID
]),
11966 sizeof(func
->service_id
));
11968 func
->close_range
=
11969 nla_get_flag(tb
[NL80211_NAN_FUNC_CLOSE_RANGE
]);
11971 if (tb
[NL80211_NAN_FUNC_SERVICE_INFO
]) {
11972 func
->serv_spec_info_len
=
11973 nla_len(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]);
11974 func
->serv_spec_info
=
11975 kmemdup(nla_data(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]),
11976 func
->serv_spec_info_len
,
11978 if (!func
->serv_spec_info
) {
11984 if (tb
[NL80211_NAN_FUNC_TTL
])
11985 func
->ttl
= nla_get_u32(tb
[NL80211_NAN_FUNC_TTL
]);
11987 switch (func
->type
) {
11988 case NL80211_NAN_FUNC_PUBLISH
:
11989 if (!tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]) {
11994 func
->publish_type
=
11995 nla_get_u8(tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]);
11996 func
->publish_bcast
=
11997 nla_get_flag(tb
[NL80211_NAN_FUNC_PUBLISH_BCAST
]);
11999 if ((!(func
->publish_type
& NL80211_NAN_SOLICITED_PUBLISH
)) &&
12000 func
->publish_bcast
) {
12005 case NL80211_NAN_FUNC_SUBSCRIBE
:
12006 func
->subscribe_active
=
12007 nla_get_flag(tb
[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
]);
12009 case NL80211_NAN_FUNC_FOLLOW_UP
:
12010 if (!tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
] ||
12011 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
] ||
12012 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]) {
12017 func
->followup_id
=
12018 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
]);
12019 func
->followup_reqid
=
12020 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]);
12021 memcpy(func
->followup_dest
.addr
,
12022 nla_data(tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]),
12023 sizeof(func
->followup_dest
.addr
));
12034 if (tb
[NL80211_NAN_FUNC_SRF
]) {
12035 struct nlattr
*srf_tb
[NUM_NL80211_NAN_SRF_ATTR
];
12037 err
= nla_parse_nested(srf_tb
, NL80211_NAN_SRF_ATTR_MAX
,
12038 tb
[NL80211_NAN_FUNC_SRF
],
12039 nl80211_nan_srf_policy
, info
->extack
);
12043 func
->srf_include
=
12044 nla_get_flag(srf_tb
[NL80211_NAN_SRF_INCLUDE
]);
12046 if (srf_tb
[NL80211_NAN_SRF_BF
]) {
12047 if (srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
] ||
12048 !srf_tb
[NL80211_NAN_SRF_BF_IDX
]) {
12054 nla_len(srf_tb
[NL80211_NAN_SRF_BF
]);
12056 kmemdup(nla_data(srf_tb
[NL80211_NAN_SRF_BF
]),
12057 func
->srf_bf_len
, GFP_KERNEL
);
12058 if (!func
->srf_bf
) {
12064 nla_get_u8(srf_tb
[NL80211_NAN_SRF_BF_IDX
]);
12066 struct nlattr
*attr
, *mac_attr
=
12067 srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
];
12068 int n_entries
, rem
, i
= 0;
12075 n_entries
= validate_acl_mac_addrs(mac_attr
);
12076 if (n_entries
<= 0) {
12081 func
->srf_num_macs
= n_entries
;
12083 kcalloc(n_entries
, sizeof(*func
->srf_macs
),
12085 if (!func
->srf_macs
) {
12090 nla_for_each_nested(attr
, mac_attr
, rem
)
12091 memcpy(func
->srf_macs
[i
++].addr
, nla_data(attr
),
12092 sizeof(*func
->srf_macs
));
12096 if (tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
]) {
12097 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
],
12103 if (tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
]) {
12104 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
],
12110 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12116 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
12117 NL80211_CMD_ADD_NAN_FUNCTION
);
12118 /* This can't really happen - we just allocated 4KB */
12119 if (WARN_ON(!hdr
)) {
12124 err
= rdev_add_nan_func(rdev
, wdev
, func
);
12127 cfg80211_free_nan_func(func
);
12132 /* propagate the instance id and cookie to userspace */
12133 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, func
->cookie
,
12135 goto nla_put_failure
;
12137 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
12139 goto nla_put_failure
;
12141 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
,
12142 func
->instance_id
))
12143 goto nla_put_failure
;
12145 nla_nest_end(msg
, func_attr
);
12147 genlmsg_end(msg
, hdr
);
12148 return genlmsg_reply(msg
, info
);
12155 static int nl80211_nan_del_func(struct sk_buff
*skb
,
12156 struct genl_info
*info
)
12158 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12159 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12162 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
12163 return -EOPNOTSUPP
;
12165 if (!wdev_running(wdev
))
12168 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
12171 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
12173 rdev_del_nan_func(rdev
, wdev
, cookie
);
12178 static int nl80211_nan_change_config(struct sk_buff
*skb
,
12179 struct genl_info
*info
)
12181 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12182 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12183 struct cfg80211_nan_conf conf
= {};
12186 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
12187 return -EOPNOTSUPP
;
12189 if (!wdev_running(wdev
))
12192 if (info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]) {
12194 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
12195 if (conf
.master_pref
<= 1 || conf
.master_pref
== 255)
12198 changed
|= CFG80211_NAN_CONF_CHANGED_PREF
;
12201 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
12202 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
12204 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
12205 return -EOPNOTSUPP
;
12207 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
12210 conf
.bands
= bands
;
12211 changed
|= CFG80211_NAN_CONF_CHANGED_BANDS
;
12217 return rdev_nan_change_conf(rdev
, wdev
, &conf
, changed
);
12220 void cfg80211_nan_match(struct wireless_dev
*wdev
,
12221 struct cfg80211_nan_match_params
*match
, gfp_t gfp
)
12223 struct wiphy
*wiphy
= wdev
->wiphy
;
12224 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12225 struct nlattr
*match_attr
, *local_func_attr
, *peer_func_attr
;
12226 struct sk_buff
*msg
;
12229 if (WARN_ON(!match
->inst_id
|| !match
->peer_inst_id
|| !match
->addr
))
12232 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12236 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NAN_MATCH
);
12242 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12243 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12244 wdev
->netdev
->ifindex
)) ||
12245 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12247 goto nla_put_failure
;
12249 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, match
->cookie
,
12250 NL80211_ATTR_PAD
) ||
12251 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, match
->addr
))
12252 goto nla_put_failure
;
12254 match_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_MATCH
);
12256 goto nla_put_failure
;
12258 local_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_LOCAL
);
12259 if (!local_func_attr
)
12260 goto nla_put_failure
;
12262 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->inst_id
))
12263 goto nla_put_failure
;
12265 nla_nest_end(msg
, local_func_attr
);
12267 peer_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_PEER
);
12268 if (!peer_func_attr
)
12269 goto nla_put_failure
;
12271 if (nla_put_u8(msg
, NL80211_NAN_FUNC_TYPE
, match
->type
) ||
12272 nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->peer_inst_id
))
12273 goto nla_put_failure
;
12275 if (match
->info
&& match
->info_len
&&
12276 nla_put(msg
, NL80211_NAN_FUNC_SERVICE_INFO
, match
->info_len
,
12278 goto nla_put_failure
;
12280 nla_nest_end(msg
, peer_func_attr
);
12281 nla_nest_end(msg
, match_attr
);
12282 genlmsg_end(msg
, hdr
);
12284 if (!wdev
->owner_nlportid
)
12285 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
12286 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
12288 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
12289 wdev
->owner_nlportid
);
12296 EXPORT_SYMBOL(cfg80211_nan_match
);
12298 void cfg80211_nan_func_terminated(struct wireless_dev
*wdev
,
12300 enum nl80211_nan_func_term_reason reason
,
12301 u64 cookie
, gfp_t gfp
)
12303 struct wiphy
*wiphy
= wdev
->wiphy
;
12304 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12305 struct sk_buff
*msg
;
12306 struct nlattr
*func_attr
;
12309 if (WARN_ON(!inst_id
))
12312 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12316 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION
);
12322 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12323 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12324 wdev
->netdev
->ifindex
)) ||
12325 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12327 goto nla_put_failure
;
12329 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
12331 goto nla_put_failure
;
12333 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
12335 goto nla_put_failure
;
12337 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, inst_id
) ||
12338 nla_put_u8(msg
, NL80211_NAN_FUNC_TERM_REASON
, reason
))
12339 goto nla_put_failure
;
12341 nla_nest_end(msg
, func_attr
);
12342 genlmsg_end(msg
, hdr
);
12344 if (!wdev
->owner_nlportid
)
12345 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
12346 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
12348 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
12349 wdev
->owner_nlportid
);
12356 EXPORT_SYMBOL(cfg80211_nan_func_terminated
);
12358 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
12359 struct genl_info
*info
)
12362 struct sk_buff
*msg
;
12364 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12368 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
12369 NL80211_CMD_GET_PROTOCOL_FEATURES
);
12371 goto nla_put_failure
;
12373 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
12374 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
12375 goto nla_put_failure
;
12377 genlmsg_end(msg
, hdr
);
12378 return genlmsg_reply(msg
, info
);
12385 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
12387 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12388 struct cfg80211_update_ft_ies_params ft_params
;
12389 struct net_device
*dev
= info
->user_ptr
[1];
12391 if (!rdev
->ops
->update_ft_ies
)
12392 return -EOPNOTSUPP
;
12394 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
12395 !info
->attrs
[NL80211_ATTR_IE
])
12398 memset(&ft_params
, 0, sizeof(ft_params
));
12399 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
12400 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
12401 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
12403 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
12406 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
12407 struct genl_info
*info
)
12409 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12410 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12411 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
12415 if (!rdev
->ops
->crit_proto_start
)
12416 return -EOPNOTSUPP
;
12418 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
12421 if (rdev
->crit_proto_nlportid
)
12424 /* determine protocol if provided */
12425 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
12426 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
12428 if (proto
>= NUM_NL80211_CRIT_PROTO
)
12431 /* timeout must be provided */
12432 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
12436 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
12438 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
12441 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
12443 rdev
->crit_proto_nlportid
= info
->snd_portid
;
12448 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
12449 struct genl_info
*info
)
12451 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12452 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12454 if (!rdev
->ops
->crit_proto_stop
)
12455 return -EOPNOTSUPP
;
12457 if (rdev
->crit_proto_nlportid
) {
12458 rdev
->crit_proto_nlportid
= 0;
12459 rdev_crit_proto_stop(rdev
, wdev
);
12464 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
12466 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12467 struct wireless_dev
*wdev
=
12468 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
12472 if (!rdev
->wiphy
.vendor_commands
)
12473 return -EOPNOTSUPP
;
12475 if (IS_ERR(wdev
)) {
12476 err
= PTR_ERR(wdev
);
12477 if (err
!= -EINVAL
)
12480 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
12484 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
12485 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
12488 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
12489 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
12490 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
12491 const struct wiphy_vendor_command
*vcmd
;
12495 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
12497 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
12500 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
12501 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
12504 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
12508 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
12509 if (!wdev_running(wdev
))
12514 return -EOPNOTSUPP
;
12519 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
12520 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
12521 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
12524 rdev
->cur_cmd_info
= info
;
12525 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
12527 rdev
->cur_cmd_info
= NULL
;
12531 return -EOPNOTSUPP
;
12534 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
12535 struct netlink_callback
*cb
,
12536 struct cfg80211_registered_device
**rdev
,
12537 struct wireless_dev
**wdev
)
12539 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
12545 unsigned int data_len
= 0;
12548 /* subtract the 1 again here */
12549 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
12550 struct wireless_dev
*tmp
;
12554 *rdev
= wiphy_to_rdev(wiphy
);
12558 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
12559 if (tmp
->identifier
== cb
->args
[1] - 1) {
12566 /* keep rtnl locked in successful case */
12570 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, attrbuf
,
12571 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
12575 if (!attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
12576 !attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
])
12579 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
12583 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
12585 return PTR_ERR(*rdev
);
12587 vid
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_ID
]);
12588 subcmd
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
12590 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
12591 const struct wiphy_vendor_command
*vcmd
;
12593 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
12595 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
12599 return -EOPNOTSUPP
;
12606 return -EOPNOTSUPP
;
12608 if (attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
12609 data
= nla_data(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
12610 data_len
= nla_len(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
12613 /* 0 is the first index - add 1 to parse only once */
12614 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
12615 /* add 1 to know if it was NULL */
12616 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
12617 cb
->args
[2] = vcmd_idx
;
12618 cb
->args
[3] = (unsigned long)data
;
12619 cb
->args
[4] = data_len
;
12621 /* keep rtnl locked in successful case */
12625 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
12626 struct netlink_callback
*cb
)
12628 struct cfg80211_registered_device
*rdev
;
12629 struct wireless_dev
*wdev
;
12630 unsigned int vcmd_idx
;
12631 const struct wiphy_vendor_command
*vcmd
;
12635 struct nlattr
*vendor_data
;
12638 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
12642 vcmd_idx
= cb
->args
[2];
12643 data
= (void *)cb
->args
[3];
12644 data_len
= cb
->args
[4];
12645 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
12647 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
12648 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
12653 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
12659 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
12660 if (!wdev_running(wdev
)) {
12668 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
12669 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
12670 NL80211_CMD_VENDOR
);
12674 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12675 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
12677 NL80211_ATTR_PAD
))) {
12678 genlmsg_cancel(skb
, hdr
);
12682 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
12683 if (!vendor_data
) {
12684 genlmsg_cancel(skb
, hdr
);
12688 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
12689 (unsigned long *)&cb
->args
[5]);
12690 nla_nest_end(skb
, vendor_data
);
12692 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
12693 genlmsg_cancel(skb
, hdr
);
12696 genlmsg_cancel(skb
, hdr
);
12700 genlmsg_end(skb
, hdr
);
12709 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
12710 enum nl80211_commands cmd
,
12711 enum nl80211_attrs attr
,
12714 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12716 if (WARN_ON(!rdev
->cur_cmd_info
))
12719 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
12720 rdev
->cur_cmd_info
->snd_portid
,
12721 rdev
->cur_cmd_info
->snd_seq
,
12722 cmd
, attr
, NULL
, GFP_KERNEL
);
12724 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
12726 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
12728 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
12729 void *hdr
= ((void **)skb
->cb
)[1];
12730 struct nlattr
*data
= ((void **)skb
->cb
)[2];
12732 /* clear CB data for netlink core to own from now on */
12733 memset(skb
->cb
, 0, sizeof(skb
->cb
));
12735 if (WARN_ON(!rdev
->cur_cmd_info
)) {
12740 nla_nest_end(skb
, data
);
12741 genlmsg_end(skb
, hdr
);
12742 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
12744 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
12746 unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy
*wiphy
)
12748 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12750 if (WARN_ON(!rdev
->cur_cmd_info
))
12753 return rdev
->cur_cmd_info
->snd_portid
;
12755 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender
);
12757 static int nl80211_set_qos_map(struct sk_buff
*skb
,
12758 struct genl_info
*info
)
12760 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12761 struct cfg80211_qos_map
*qos_map
= NULL
;
12762 struct net_device
*dev
= info
->user_ptr
[1];
12763 u8
*pos
, len
, num_des
, des_len
, des
;
12766 if (!rdev
->ops
->set_qos_map
)
12767 return -EOPNOTSUPP
;
12769 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
12770 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12771 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12773 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
12774 len
> IEEE80211_QOS_MAP_LEN_MAX
)
12777 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
12781 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
12783 des_len
= num_des
*
12784 sizeof(struct cfg80211_dscp_exception
);
12785 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
12786 qos_map
->num_des
= num_des
;
12787 for (des
= 0; des
< num_des
; des
++) {
12788 if (qos_map
->dscp_exception
[des
].up
> 7) {
12795 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
12798 wdev_lock(dev
->ieee80211_ptr
);
12799 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
12801 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
12802 wdev_unlock(dev
->ieee80211_ptr
);
12808 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12810 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12811 struct net_device
*dev
= info
->user_ptr
[1];
12812 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12815 u16 admitted_time
= 0;
12818 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
12819 return -EOPNOTSUPP
;
12821 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
12822 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
12825 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12826 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
12828 /* WMM uses TIDs 0-7 even for TSPEC */
12829 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
12830 /* TODO: handle 802.11 TSPEC/admission control
12831 * need more attributes for that (e.g. BA session requirement);
12832 * change the WMM adminssion test above to allow both then
12837 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12839 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
12841 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
12842 if (!admitted_time
)
12847 switch (wdev
->iftype
) {
12848 case NL80211_IFTYPE_STATION
:
12849 case NL80211_IFTYPE_P2P_CLIENT
:
12850 if (wdev
->current_bss
)
12859 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
12866 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12868 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12869 struct net_device
*dev
= info
->user_ptr
[1];
12870 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12875 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
12878 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12879 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12882 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
12888 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
12889 struct genl_info
*info
)
12891 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12892 struct net_device
*dev
= info
->user_ptr
[1];
12893 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12894 struct cfg80211_chan_def chandef
= {};
12899 if (!rdev
->ops
->tdls_channel_switch
||
12900 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12901 return -EOPNOTSUPP
;
12903 switch (dev
->ieee80211_ptr
->iftype
) {
12904 case NL80211_IFTYPE_STATION
:
12905 case NL80211_IFTYPE_P2P_CLIENT
:
12908 return -EOPNOTSUPP
;
12911 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
12912 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
12915 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
12920 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
12921 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
12922 * specification is not defined for them.
12924 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
12925 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
12926 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
12929 /* we will be active on the TDLS link */
12930 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
12934 /* don't allow switching to DFS channels */
12935 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
12938 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12939 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
12942 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
12948 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
12949 struct genl_info
*info
)
12951 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12952 struct net_device
*dev
= info
->user_ptr
[1];
12953 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12956 if (!rdev
->ops
->tdls_channel_switch
||
12957 !rdev
->ops
->tdls_cancel_channel_switch
||
12958 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12959 return -EOPNOTSUPP
;
12961 switch (dev
->ieee80211_ptr
->iftype
) {
12962 case NL80211_IFTYPE_STATION
:
12963 case NL80211_IFTYPE_P2P_CLIENT
:
12966 return -EOPNOTSUPP
;
12969 if (!info
->attrs
[NL80211_ATTR_MAC
])
12972 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12975 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
12981 static int nl80211_set_multicast_to_unicast(struct sk_buff
*skb
,
12982 struct genl_info
*info
)
12984 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12985 struct net_device
*dev
= info
->user_ptr
[1];
12986 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12987 const struct nlattr
*nla
;
12990 if (!rdev
->ops
->set_multicast_to_unicast
)
12991 return -EOPNOTSUPP
;
12993 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12994 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
12995 return -EOPNOTSUPP
;
12997 nla
= info
->attrs
[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
];
12998 enabled
= nla_get_flag(nla
);
13000 return rdev_set_multicast_to_unicast(rdev
, dev
, enabled
);
13003 static int nl80211_set_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
13005 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
13006 struct net_device
*dev
= info
->user_ptr
[1];
13007 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13008 struct cfg80211_pmk_conf pmk_conf
= {};
13011 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
13012 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
13013 return -EOPNOTSUPP
;
13015 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
13016 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
13017 return -EOPNOTSUPP
;
13019 if (!info
->attrs
[NL80211_ATTR_MAC
] || !info
->attrs
[NL80211_ATTR_PMK
])
13023 if (!wdev
->current_bss
) {
13028 pmk_conf
.aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
13029 if (memcmp(pmk_conf
.aa
, wdev
->current_bss
->pub
.bssid
, ETH_ALEN
)) {
13034 pmk_conf
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
13035 pmk_conf
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
13036 if (pmk_conf
.pmk_len
!= WLAN_PMK_LEN
&&
13037 pmk_conf
.pmk_len
!= WLAN_PMK_LEN_SUITE_B_192
) {
13042 if (info
->attrs
[NL80211_ATTR_PMKR0_NAME
]) {
13043 int r0_name_len
= nla_len(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
13045 if (r0_name_len
!= WLAN_PMK_NAME_LEN
) {
13050 pmk_conf
.pmk_r0_name
=
13051 nla_data(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
13054 ret
= rdev_set_pmk(rdev
, dev
, &pmk_conf
);
13060 static int nl80211_del_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
13062 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
13063 struct net_device
*dev
= info
->user_ptr
[1];
13064 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13068 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
13069 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
13070 return -EOPNOTSUPP
;
13072 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
13073 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
13074 return -EOPNOTSUPP
;
13076 if (!info
->attrs
[NL80211_ATTR_MAC
])
13080 aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
13081 ret
= rdev_del_pmk(rdev
, dev
, aa
);
13087 static int nl80211_external_auth(struct sk_buff
*skb
, struct genl_info
*info
)
13089 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
13090 struct net_device
*dev
= info
->user_ptr
[1];
13091 struct cfg80211_external_auth_params params
;
13093 if (!rdev
->ops
->external_auth
)
13094 return -EOPNOTSUPP
;
13096 if (!info
->attrs
[NL80211_ATTR_SSID
] &&
13097 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
13098 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
13101 if (!info
->attrs
[NL80211_ATTR_BSSID
])
13104 if (!info
->attrs
[NL80211_ATTR_STATUS_CODE
])
13107 memset(¶ms
, 0, sizeof(params
));
13109 if (info
->attrs
[NL80211_ATTR_SSID
]) {
13110 params
.ssid
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
13111 if (params
.ssid
.ssid_len
== 0 ||
13112 params
.ssid
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
13114 memcpy(params
.ssid
.ssid
,
13115 nla_data(info
->attrs
[NL80211_ATTR_SSID
]),
13116 params
.ssid
.ssid_len
);
13119 memcpy(params
.bssid
, nla_data(info
->attrs
[NL80211_ATTR_BSSID
]),
13122 params
.status
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
13124 if (info
->attrs
[NL80211_ATTR_PMKID
])
13125 params
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
13127 return rdev_external_auth(rdev
, dev
, ¶ms
);
13130 static int nl80211_tx_control_port(struct sk_buff
*skb
, struct genl_info
*info
)
13132 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
13133 struct net_device
*dev
= info
->user_ptr
[1];
13134 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13142 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
13143 NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211
))
13144 return -EOPNOTSUPP
;
13146 if (!rdev
->ops
->tx_control_port
)
13147 return -EOPNOTSUPP
;
13149 if (!info
->attrs
[NL80211_ATTR_FRAME
] ||
13150 !info
->attrs
[NL80211_ATTR_MAC
] ||
13151 !info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
13152 GENL_SET_ERR_MSG(info
, "Frame, MAC or ethertype missing");
13158 switch (wdev
->iftype
) {
13159 case NL80211_IFTYPE_AP
:
13160 case NL80211_IFTYPE_P2P_GO
:
13161 case NL80211_IFTYPE_MESH_POINT
:
13163 case NL80211_IFTYPE_ADHOC
:
13164 case NL80211_IFTYPE_STATION
:
13165 case NL80211_IFTYPE_P2P_CLIENT
:
13166 if (wdev
->current_bss
)
13177 buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
13178 len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
13179 dest
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
13180 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
13182 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
]);
13184 return rdev_tx_control_port(rdev
, dev
, buf
, len
,
13185 dest
, cpu_to_be16(proto
), noencrypt
);
13192 static int nl80211_get_ftm_responder_stats(struct sk_buff
*skb
,
13193 struct genl_info
*info
)
13195 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
13196 struct net_device
*dev
= info
->user_ptr
[1];
13197 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13198 struct cfg80211_ftm_responder_stats ftm_stats
= {};
13199 struct sk_buff
*msg
;
13201 struct nlattr
*ftm_stats_attr
;
13204 if (wdev
->iftype
!= NL80211_IFTYPE_AP
|| !wdev
->beacon_interval
)
13205 return -EOPNOTSUPP
;
13207 err
= rdev_get_ftm_responder_stats(rdev
, dev
, &ftm_stats
);
13211 if (!ftm_stats
.filled
)
13214 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13218 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
13219 NL80211_CMD_GET_FTM_RESPONDER_STATS
);
13223 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
13224 goto nla_put_failure
;
13226 ftm_stats_attr
= nla_nest_start(msg
, NL80211_ATTR_FTM_RESPONDER_STATS
);
13227 if (!ftm_stats_attr
)
13228 goto nla_put_failure
;
13230 #define SET_FTM(field, name, type) \
13231 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13232 nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \
13233 ftm_stats.field)) \
13234 goto nla_put_failure; } while (0)
13235 #define SET_FTM_U64(field, name) \
13236 do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
13237 nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \
13238 ftm_stats.field, NL80211_FTM_STATS_PAD)) \
13239 goto nla_put_failure; } while (0)
13241 SET_FTM(success_num
, SUCCESS_NUM
, u32
);
13242 SET_FTM(partial_num
, PARTIAL_NUM
, u32
);
13243 SET_FTM(failed_num
, FAILED_NUM
, u32
);
13244 SET_FTM(asap_num
, ASAP_NUM
, u32
);
13245 SET_FTM(non_asap_num
, NON_ASAP_NUM
, u32
);
13246 SET_FTM_U64(total_duration_ms
, TOTAL_DURATION_MSEC
);
13247 SET_FTM(unknown_triggers_num
, UNKNOWN_TRIGGERS_NUM
, u32
);
13248 SET_FTM(reschedule_requests_num
, RESCHEDULE_REQUESTS_NUM
, u32
);
13249 SET_FTM(out_of_window_triggers_num
, OUT_OF_WINDOW_TRIGGERS_NUM
, u32
);
13252 nla_nest_end(msg
, ftm_stats_attr
);
13254 genlmsg_end(msg
, hdr
);
13255 return genlmsg_reply(msg
, info
);
13262 #define NL80211_FLAG_NEED_WIPHY 0x01
13263 #define NL80211_FLAG_NEED_NETDEV 0x02
13264 #define NL80211_FLAG_NEED_RTNL 0x04
13265 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
13266 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
13267 NL80211_FLAG_CHECK_NETDEV_UP)
13268 #define NL80211_FLAG_NEED_WDEV 0x10
13269 /* If a netdev is associated, it must be UP, P2P must be started */
13270 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
13271 NL80211_FLAG_CHECK_NETDEV_UP)
13272 #define NL80211_FLAG_CLEAR_SKB 0x20
13274 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
13275 struct genl_info
*info
)
13277 struct cfg80211_registered_device
*rdev
;
13278 struct wireless_dev
*wdev
;
13279 struct net_device
*dev
;
13280 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
13285 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
13286 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
13287 if (IS_ERR(rdev
)) {
13290 return PTR_ERR(rdev
);
13292 info
->user_ptr
[0] = rdev
;
13293 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
13294 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
13297 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
13299 if (IS_ERR(wdev
)) {
13302 return PTR_ERR(wdev
);
13305 dev
= wdev
->netdev
;
13306 rdev
= wiphy_to_rdev(wdev
->wiphy
);
13308 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
13315 info
->user_ptr
[1] = dev
;
13317 info
->user_ptr
[1] = wdev
;
13320 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
13321 !wdev_running(wdev
)) {
13330 info
->user_ptr
[0] = rdev
;
13336 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
13337 struct genl_info
*info
)
13339 if (info
->user_ptr
[1]) {
13340 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
13341 struct wireless_dev
*wdev
= info
->user_ptr
[1];
13344 dev_put(wdev
->netdev
);
13346 dev_put(info
->user_ptr
[1]);
13350 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
13353 /* If needed, clear the netlink message payload from the SKB
13354 * as it might contain key data that shouldn't stick around on
13355 * the heap after the SKB is freed. The netlink message header
13356 * is still needed for further processing, so leave it intact.
13358 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
13359 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
13361 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
13365 static const struct genl_ops nl80211_ops
[] = {
13367 .cmd
= NL80211_CMD_GET_WIPHY
,
13368 .doit
= nl80211_get_wiphy
,
13369 .dumpit
= nl80211_dump_wiphy
,
13370 .done
= nl80211_dump_wiphy_done
,
13371 .policy
= nl80211_policy
,
13372 /* can be retrieved by unprivileged users */
13373 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13374 NL80211_FLAG_NEED_RTNL
,
13377 .cmd
= NL80211_CMD_SET_WIPHY
,
13378 .doit
= nl80211_set_wiphy
,
13379 .policy
= nl80211_policy
,
13380 .flags
= GENL_UNS_ADMIN_PERM
,
13381 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
13384 .cmd
= NL80211_CMD_GET_INTERFACE
,
13385 .doit
= nl80211_get_interface
,
13386 .dumpit
= nl80211_dump_interface
,
13387 .policy
= nl80211_policy
,
13388 /* can be retrieved by unprivileged users */
13389 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13390 NL80211_FLAG_NEED_RTNL
,
13393 .cmd
= NL80211_CMD_SET_INTERFACE
,
13394 .doit
= nl80211_set_interface
,
13395 .policy
= nl80211_policy
,
13396 .flags
= GENL_UNS_ADMIN_PERM
,
13397 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13398 NL80211_FLAG_NEED_RTNL
,
13401 .cmd
= NL80211_CMD_NEW_INTERFACE
,
13402 .doit
= nl80211_new_interface
,
13403 .policy
= nl80211_policy
,
13404 .flags
= GENL_UNS_ADMIN_PERM
,
13405 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13406 NL80211_FLAG_NEED_RTNL
,
13409 .cmd
= NL80211_CMD_DEL_INTERFACE
,
13410 .doit
= nl80211_del_interface
,
13411 .policy
= nl80211_policy
,
13412 .flags
= GENL_UNS_ADMIN_PERM
,
13413 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13414 NL80211_FLAG_NEED_RTNL
,
13417 .cmd
= NL80211_CMD_GET_KEY
,
13418 .doit
= nl80211_get_key
,
13419 .policy
= nl80211_policy
,
13420 .flags
= GENL_UNS_ADMIN_PERM
,
13421 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13422 NL80211_FLAG_NEED_RTNL
,
13425 .cmd
= NL80211_CMD_SET_KEY
,
13426 .doit
= nl80211_set_key
,
13427 .policy
= nl80211_policy
,
13428 .flags
= GENL_UNS_ADMIN_PERM
,
13429 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13430 NL80211_FLAG_NEED_RTNL
|
13431 NL80211_FLAG_CLEAR_SKB
,
13434 .cmd
= NL80211_CMD_NEW_KEY
,
13435 .doit
= nl80211_new_key
,
13436 .policy
= nl80211_policy
,
13437 .flags
= GENL_UNS_ADMIN_PERM
,
13438 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13439 NL80211_FLAG_NEED_RTNL
|
13440 NL80211_FLAG_CLEAR_SKB
,
13443 .cmd
= NL80211_CMD_DEL_KEY
,
13444 .doit
= nl80211_del_key
,
13445 .policy
= nl80211_policy
,
13446 .flags
= GENL_UNS_ADMIN_PERM
,
13447 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13448 NL80211_FLAG_NEED_RTNL
,
13451 .cmd
= NL80211_CMD_SET_BEACON
,
13452 .policy
= nl80211_policy
,
13453 .flags
= GENL_UNS_ADMIN_PERM
,
13454 .doit
= nl80211_set_beacon
,
13455 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13456 NL80211_FLAG_NEED_RTNL
,
13459 .cmd
= NL80211_CMD_START_AP
,
13460 .policy
= nl80211_policy
,
13461 .flags
= GENL_UNS_ADMIN_PERM
,
13462 .doit
= nl80211_start_ap
,
13463 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13464 NL80211_FLAG_NEED_RTNL
,
13467 .cmd
= NL80211_CMD_STOP_AP
,
13468 .policy
= nl80211_policy
,
13469 .flags
= GENL_UNS_ADMIN_PERM
,
13470 .doit
= nl80211_stop_ap
,
13471 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13472 NL80211_FLAG_NEED_RTNL
,
13475 .cmd
= NL80211_CMD_GET_STATION
,
13476 .doit
= nl80211_get_station
,
13477 .dumpit
= nl80211_dump_station
,
13478 .policy
= nl80211_policy
,
13479 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13480 NL80211_FLAG_NEED_RTNL
,
13483 .cmd
= NL80211_CMD_SET_STATION
,
13484 .doit
= nl80211_set_station
,
13485 .policy
= nl80211_policy
,
13486 .flags
= GENL_UNS_ADMIN_PERM
,
13487 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13488 NL80211_FLAG_NEED_RTNL
,
13491 .cmd
= NL80211_CMD_NEW_STATION
,
13492 .doit
= nl80211_new_station
,
13493 .policy
= nl80211_policy
,
13494 .flags
= GENL_UNS_ADMIN_PERM
,
13495 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13496 NL80211_FLAG_NEED_RTNL
,
13499 .cmd
= NL80211_CMD_DEL_STATION
,
13500 .doit
= nl80211_del_station
,
13501 .policy
= nl80211_policy
,
13502 .flags
= GENL_UNS_ADMIN_PERM
,
13503 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13504 NL80211_FLAG_NEED_RTNL
,
13507 .cmd
= NL80211_CMD_GET_MPATH
,
13508 .doit
= nl80211_get_mpath
,
13509 .dumpit
= nl80211_dump_mpath
,
13510 .policy
= nl80211_policy
,
13511 .flags
= GENL_UNS_ADMIN_PERM
,
13512 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13513 NL80211_FLAG_NEED_RTNL
,
13516 .cmd
= NL80211_CMD_GET_MPP
,
13517 .doit
= nl80211_get_mpp
,
13518 .dumpit
= nl80211_dump_mpp
,
13519 .policy
= nl80211_policy
,
13520 .flags
= GENL_UNS_ADMIN_PERM
,
13521 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13522 NL80211_FLAG_NEED_RTNL
,
13525 .cmd
= NL80211_CMD_SET_MPATH
,
13526 .doit
= nl80211_set_mpath
,
13527 .policy
= nl80211_policy
,
13528 .flags
= GENL_UNS_ADMIN_PERM
,
13529 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13530 NL80211_FLAG_NEED_RTNL
,
13533 .cmd
= NL80211_CMD_NEW_MPATH
,
13534 .doit
= nl80211_new_mpath
,
13535 .policy
= nl80211_policy
,
13536 .flags
= GENL_UNS_ADMIN_PERM
,
13537 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13538 NL80211_FLAG_NEED_RTNL
,
13541 .cmd
= NL80211_CMD_DEL_MPATH
,
13542 .doit
= nl80211_del_mpath
,
13543 .policy
= nl80211_policy
,
13544 .flags
= GENL_UNS_ADMIN_PERM
,
13545 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13546 NL80211_FLAG_NEED_RTNL
,
13549 .cmd
= NL80211_CMD_SET_BSS
,
13550 .doit
= nl80211_set_bss
,
13551 .policy
= nl80211_policy
,
13552 .flags
= GENL_UNS_ADMIN_PERM
,
13553 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13554 NL80211_FLAG_NEED_RTNL
,
13557 .cmd
= NL80211_CMD_GET_REG
,
13558 .doit
= nl80211_get_reg_do
,
13559 .dumpit
= nl80211_get_reg_dump
,
13560 .policy
= nl80211_policy
,
13561 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
13562 /* can be retrieved by unprivileged users */
13564 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
13566 .cmd
= NL80211_CMD_SET_REG
,
13567 .doit
= nl80211_set_reg
,
13568 .policy
= nl80211_policy
,
13569 .flags
= GENL_ADMIN_PERM
,
13570 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
13574 .cmd
= NL80211_CMD_REQ_SET_REG
,
13575 .doit
= nl80211_req_set_reg
,
13576 .policy
= nl80211_policy
,
13577 .flags
= GENL_ADMIN_PERM
,
13580 .cmd
= NL80211_CMD_RELOAD_REGDB
,
13581 .doit
= nl80211_reload_regdb
,
13582 .policy
= nl80211_policy
,
13583 .flags
= GENL_ADMIN_PERM
,
13586 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
13587 .doit
= nl80211_get_mesh_config
,
13588 .policy
= nl80211_policy
,
13589 /* can be retrieved by unprivileged users */
13590 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13591 NL80211_FLAG_NEED_RTNL
,
13594 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
13595 .doit
= nl80211_update_mesh_config
,
13596 .policy
= nl80211_policy
,
13597 .flags
= GENL_UNS_ADMIN_PERM
,
13598 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13599 NL80211_FLAG_NEED_RTNL
,
13602 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
13603 .doit
= nl80211_trigger_scan
,
13604 .policy
= nl80211_policy
,
13605 .flags
= GENL_UNS_ADMIN_PERM
,
13606 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13607 NL80211_FLAG_NEED_RTNL
,
13610 .cmd
= NL80211_CMD_ABORT_SCAN
,
13611 .doit
= nl80211_abort_scan
,
13612 .policy
= nl80211_policy
,
13613 .flags
= GENL_UNS_ADMIN_PERM
,
13614 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13615 NL80211_FLAG_NEED_RTNL
,
13618 .cmd
= NL80211_CMD_GET_SCAN
,
13619 .policy
= nl80211_policy
,
13620 .dumpit
= nl80211_dump_scan
,
13623 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
13624 .doit
= nl80211_start_sched_scan
,
13625 .policy
= nl80211_policy
,
13626 .flags
= GENL_UNS_ADMIN_PERM
,
13627 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13628 NL80211_FLAG_NEED_RTNL
,
13631 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
13632 .doit
= nl80211_stop_sched_scan
,
13633 .policy
= nl80211_policy
,
13634 .flags
= GENL_UNS_ADMIN_PERM
,
13635 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13636 NL80211_FLAG_NEED_RTNL
,
13639 .cmd
= NL80211_CMD_AUTHENTICATE
,
13640 .doit
= nl80211_authenticate
,
13641 .policy
= nl80211_policy
,
13642 .flags
= GENL_UNS_ADMIN_PERM
,
13643 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13644 NL80211_FLAG_NEED_RTNL
|
13645 NL80211_FLAG_CLEAR_SKB
,
13648 .cmd
= NL80211_CMD_ASSOCIATE
,
13649 .doit
= nl80211_associate
,
13650 .policy
= nl80211_policy
,
13651 .flags
= GENL_UNS_ADMIN_PERM
,
13652 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13653 NL80211_FLAG_NEED_RTNL
,
13656 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
13657 .doit
= nl80211_deauthenticate
,
13658 .policy
= nl80211_policy
,
13659 .flags
= GENL_UNS_ADMIN_PERM
,
13660 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13661 NL80211_FLAG_NEED_RTNL
,
13664 .cmd
= NL80211_CMD_DISASSOCIATE
,
13665 .doit
= nl80211_disassociate
,
13666 .policy
= nl80211_policy
,
13667 .flags
= GENL_UNS_ADMIN_PERM
,
13668 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13669 NL80211_FLAG_NEED_RTNL
,
13672 .cmd
= NL80211_CMD_JOIN_IBSS
,
13673 .doit
= nl80211_join_ibss
,
13674 .policy
= nl80211_policy
,
13675 .flags
= GENL_UNS_ADMIN_PERM
,
13676 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13677 NL80211_FLAG_NEED_RTNL
,
13680 .cmd
= NL80211_CMD_LEAVE_IBSS
,
13681 .doit
= nl80211_leave_ibss
,
13682 .policy
= nl80211_policy
,
13683 .flags
= GENL_UNS_ADMIN_PERM
,
13684 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13685 NL80211_FLAG_NEED_RTNL
,
13687 #ifdef CONFIG_NL80211_TESTMODE
13689 .cmd
= NL80211_CMD_TESTMODE
,
13690 .doit
= nl80211_testmode_do
,
13691 .dumpit
= nl80211_testmode_dump
,
13692 .policy
= nl80211_policy
,
13693 .flags
= GENL_UNS_ADMIN_PERM
,
13694 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13695 NL80211_FLAG_NEED_RTNL
,
13699 .cmd
= NL80211_CMD_CONNECT
,
13700 .doit
= nl80211_connect
,
13701 .policy
= nl80211_policy
,
13702 .flags
= GENL_UNS_ADMIN_PERM
,
13703 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13704 NL80211_FLAG_NEED_RTNL
,
13707 .cmd
= NL80211_CMD_UPDATE_CONNECT_PARAMS
,
13708 .doit
= nl80211_update_connect_params
,
13709 .policy
= nl80211_policy
,
13710 .flags
= GENL_ADMIN_PERM
,
13711 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13712 NL80211_FLAG_NEED_RTNL
,
13715 .cmd
= NL80211_CMD_DISCONNECT
,
13716 .doit
= nl80211_disconnect
,
13717 .policy
= nl80211_policy
,
13718 .flags
= GENL_UNS_ADMIN_PERM
,
13719 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13720 NL80211_FLAG_NEED_RTNL
,
13723 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
13724 .doit
= nl80211_wiphy_netns
,
13725 .policy
= nl80211_policy
,
13726 .flags
= GENL_UNS_ADMIN_PERM
,
13727 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13728 NL80211_FLAG_NEED_RTNL
,
13731 .cmd
= NL80211_CMD_GET_SURVEY
,
13732 .policy
= nl80211_policy
,
13733 .dumpit
= nl80211_dump_survey
,
13736 .cmd
= NL80211_CMD_SET_PMKSA
,
13737 .doit
= nl80211_setdel_pmksa
,
13738 .policy
= nl80211_policy
,
13739 .flags
= GENL_UNS_ADMIN_PERM
,
13740 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13741 NL80211_FLAG_NEED_RTNL
,
13744 .cmd
= NL80211_CMD_DEL_PMKSA
,
13745 .doit
= nl80211_setdel_pmksa
,
13746 .policy
= nl80211_policy
,
13747 .flags
= GENL_UNS_ADMIN_PERM
,
13748 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13749 NL80211_FLAG_NEED_RTNL
,
13752 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
13753 .doit
= nl80211_flush_pmksa
,
13754 .policy
= nl80211_policy
,
13755 .flags
= GENL_UNS_ADMIN_PERM
,
13756 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13757 NL80211_FLAG_NEED_RTNL
,
13760 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
13761 .doit
= nl80211_remain_on_channel
,
13762 .policy
= nl80211_policy
,
13763 .flags
= GENL_UNS_ADMIN_PERM
,
13764 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13765 NL80211_FLAG_NEED_RTNL
,
13768 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
13769 .doit
= nl80211_cancel_remain_on_channel
,
13770 .policy
= nl80211_policy
,
13771 .flags
= GENL_UNS_ADMIN_PERM
,
13772 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13773 NL80211_FLAG_NEED_RTNL
,
13776 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
13777 .doit
= nl80211_set_tx_bitrate_mask
,
13778 .policy
= nl80211_policy
,
13779 .flags
= GENL_UNS_ADMIN_PERM
,
13780 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13781 NL80211_FLAG_NEED_RTNL
,
13784 .cmd
= NL80211_CMD_REGISTER_FRAME
,
13785 .doit
= nl80211_register_mgmt
,
13786 .policy
= nl80211_policy
,
13787 .flags
= GENL_UNS_ADMIN_PERM
,
13788 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13789 NL80211_FLAG_NEED_RTNL
,
13792 .cmd
= NL80211_CMD_FRAME
,
13793 .doit
= nl80211_tx_mgmt
,
13794 .policy
= nl80211_policy
,
13795 .flags
= GENL_UNS_ADMIN_PERM
,
13796 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13797 NL80211_FLAG_NEED_RTNL
,
13800 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
13801 .doit
= nl80211_tx_mgmt_cancel_wait
,
13802 .policy
= nl80211_policy
,
13803 .flags
= GENL_UNS_ADMIN_PERM
,
13804 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13805 NL80211_FLAG_NEED_RTNL
,
13808 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
13809 .doit
= nl80211_set_power_save
,
13810 .policy
= nl80211_policy
,
13811 .flags
= GENL_UNS_ADMIN_PERM
,
13812 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13813 NL80211_FLAG_NEED_RTNL
,
13816 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
13817 .doit
= nl80211_get_power_save
,
13818 .policy
= nl80211_policy
,
13819 /* can be retrieved by unprivileged users */
13820 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13821 NL80211_FLAG_NEED_RTNL
,
13824 .cmd
= NL80211_CMD_SET_CQM
,
13825 .doit
= nl80211_set_cqm
,
13826 .policy
= nl80211_policy
,
13827 .flags
= GENL_UNS_ADMIN_PERM
,
13828 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13829 NL80211_FLAG_NEED_RTNL
,
13832 .cmd
= NL80211_CMD_SET_CHANNEL
,
13833 .doit
= nl80211_set_channel
,
13834 .policy
= nl80211_policy
,
13835 .flags
= GENL_UNS_ADMIN_PERM
,
13836 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13837 NL80211_FLAG_NEED_RTNL
,
13840 .cmd
= NL80211_CMD_SET_WDS_PEER
,
13841 .doit
= nl80211_set_wds_peer
,
13842 .policy
= nl80211_policy
,
13843 .flags
= GENL_UNS_ADMIN_PERM
,
13844 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13845 NL80211_FLAG_NEED_RTNL
,
13848 .cmd
= NL80211_CMD_JOIN_MESH
,
13849 .doit
= nl80211_join_mesh
,
13850 .policy
= nl80211_policy
,
13851 .flags
= GENL_UNS_ADMIN_PERM
,
13852 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13853 NL80211_FLAG_NEED_RTNL
,
13856 .cmd
= NL80211_CMD_LEAVE_MESH
,
13857 .doit
= nl80211_leave_mesh
,
13858 .policy
= nl80211_policy
,
13859 .flags
= GENL_UNS_ADMIN_PERM
,
13860 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13861 NL80211_FLAG_NEED_RTNL
,
13864 .cmd
= NL80211_CMD_JOIN_OCB
,
13865 .doit
= nl80211_join_ocb
,
13866 .policy
= nl80211_policy
,
13867 .flags
= GENL_UNS_ADMIN_PERM
,
13868 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13869 NL80211_FLAG_NEED_RTNL
,
13872 .cmd
= NL80211_CMD_LEAVE_OCB
,
13873 .doit
= nl80211_leave_ocb
,
13874 .policy
= nl80211_policy
,
13875 .flags
= GENL_UNS_ADMIN_PERM
,
13876 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13877 NL80211_FLAG_NEED_RTNL
,
13881 .cmd
= NL80211_CMD_GET_WOWLAN
,
13882 .doit
= nl80211_get_wowlan
,
13883 .policy
= nl80211_policy
,
13884 /* can be retrieved by unprivileged users */
13885 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13886 NL80211_FLAG_NEED_RTNL
,
13889 .cmd
= NL80211_CMD_SET_WOWLAN
,
13890 .doit
= nl80211_set_wowlan
,
13891 .policy
= nl80211_policy
,
13892 .flags
= GENL_UNS_ADMIN_PERM
,
13893 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13894 NL80211_FLAG_NEED_RTNL
,
13898 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
13899 .doit
= nl80211_set_rekey_data
,
13900 .policy
= nl80211_policy
,
13901 .flags
= GENL_UNS_ADMIN_PERM
,
13902 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13903 NL80211_FLAG_NEED_RTNL
|
13904 NL80211_FLAG_CLEAR_SKB
,
13907 .cmd
= NL80211_CMD_TDLS_MGMT
,
13908 .doit
= nl80211_tdls_mgmt
,
13909 .policy
= nl80211_policy
,
13910 .flags
= GENL_UNS_ADMIN_PERM
,
13911 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13912 NL80211_FLAG_NEED_RTNL
,
13915 .cmd
= NL80211_CMD_TDLS_OPER
,
13916 .doit
= nl80211_tdls_oper
,
13917 .policy
= nl80211_policy
,
13918 .flags
= GENL_UNS_ADMIN_PERM
,
13919 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13920 NL80211_FLAG_NEED_RTNL
,
13923 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
13924 .doit
= nl80211_register_unexpected_frame
,
13925 .policy
= nl80211_policy
,
13926 .flags
= GENL_UNS_ADMIN_PERM
,
13927 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13928 NL80211_FLAG_NEED_RTNL
,
13931 .cmd
= NL80211_CMD_PROBE_CLIENT
,
13932 .doit
= nl80211_probe_client
,
13933 .policy
= nl80211_policy
,
13934 .flags
= GENL_UNS_ADMIN_PERM
,
13935 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13936 NL80211_FLAG_NEED_RTNL
,
13939 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
13940 .doit
= nl80211_register_beacons
,
13941 .policy
= nl80211_policy
,
13942 .flags
= GENL_UNS_ADMIN_PERM
,
13943 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13944 NL80211_FLAG_NEED_RTNL
,
13947 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
13948 .doit
= nl80211_set_noack_map
,
13949 .policy
= nl80211_policy
,
13950 .flags
= GENL_UNS_ADMIN_PERM
,
13951 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13952 NL80211_FLAG_NEED_RTNL
,
13955 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
13956 .doit
= nl80211_start_p2p_device
,
13957 .policy
= nl80211_policy
,
13958 .flags
= GENL_UNS_ADMIN_PERM
,
13959 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13960 NL80211_FLAG_NEED_RTNL
,
13963 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
13964 .doit
= nl80211_stop_p2p_device
,
13965 .policy
= nl80211_policy
,
13966 .flags
= GENL_UNS_ADMIN_PERM
,
13967 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13968 NL80211_FLAG_NEED_RTNL
,
13971 .cmd
= NL80211_CMD_START_NAN
,
13972 .doit
= nl80211_start_nan
,
13973 .policy
= nl80211_policy
,
13974 .flags
= GENL_ADMIN_PERM
,
13975 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13976 NL80211_FLAG_NEED_RTNL
,
13979 .cmd
= NL80211_CMD_STOP_NAN
,
13980 .doit
= nl80211_stop_nan
,
13981 .policy
= nl80211_policy
,
13982 .flags
= GENL_ADMIN_PERM
,
13983 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13984 NL80211_FLAG_NEED_RTNL
,
13987 .cmd
= NL80211_CMD_ADD_NAN_FUNCTION
,
13988 .doit
= nl80211_nan_add_func
,
13989 .policy
= nl80211_policy
,
13990 .flags
= GENL_ADMIN_PERM
,
13991 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13992 NL80211_FLAG_NEED_RTNL
,
13995 .cmd
= NL80211_CMD_DEL_NAN_FUNCTION
,
13996 .doit
= nl80211_nan_del_func
,
13997 .policy
= nl80211_policy
,
13998 .flags
= GENL_ADMIN_PERM
,
13999 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
14000 NL80211_FLAG_NEED_RTNL
,
14003 .cmd
= NL80211_CMD_CHANGE_NAN_CONFIG
,
14004 .doit
= nl80211_nan_change_config
,
14005 .policy
= nl80211_policy
,
14006 .flags
= GENL_ADMIN_PERM
,
14007 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
14008 NL80211_FLAG_NEED_RTNL
,
14011 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
14012 .doit
= nl80211_set_mcast_rate
,
14013 .policy
= nl80211_policy
,
14014 .flags
= GENL_UNS_ADMIN_PERM
,
14015 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
14016 NL80211_FLAG_NEED_RTNL
,
14019 .cmd
= NL80211_CMD_SET_MAC_ACL
,
14020 .doit
= nl80211_set_mac_acl
,
14021 .policy
= nl80211_policy
,
14022 .flags
= GENL_UNS_ADMIN_PERM
,
14023 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
14024 NL80211_FLAG_NEED_RTNL
,
14027 .cmd
= NL80211_CMD_RADAR_DETECT
,
14028 .doit
= nl80211_start_radar_detection
,
14029 .policy
= nl80211_policy
,
14030 .flags
= GENL_UNS_ADMIN_PERM
,
14031 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14032 NL80211_FLAG_NEED_RTNL
,
14035 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
14036 .doit
= nl80211_get_protocol_features
,
14037 .policy
= nl80211_policy
,
14040 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
14041 .doit
= nl80211_update_ft_ies
,
14042 .policy
= nl80211_policy
,
14043 .flags
= GENL_UNS_ADMIN_PERM
,
14044 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14045 NL80211_FLAG_NEED_RTNL
,
14048 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
14049 .doit
= nl80211_crit_protocol_start
,
14050 .policy
= nl80211_policy
,
14051 .flags
= GENL_UNS_ADMIN_PERM
,
14052 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
14053 NL80211_FLAG_NEED_RTNL
,
14056 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
14057 .doit
= nl80211_crit_protocol_stop
,
14058 .policy
= nl80211_policy
,
14059 .flags
= GENL_UNS_ADMIN_PERM
,
14060 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
14061 NL80211_FLAG_NEED_RTNL
,
14064 .cmd
= NL80211_CMD_GET_COALESCE
,
14065 .doit
= nl80211_get_coalesce
,
14066 .policy
= nl80211_policy
,
14067 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
14068 NL80211_FLAG_NEED_RTNL
,
14071 .cmd
= NL80211_CMD_SET_COALESCE
,
14072 .doit
= nl80211_set_coalesce
,
14073 .policy
= nl80211_policy
,
14074 .flags
= GENL_UNS_ADMIN_PERM
,
14075 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
14076 NL80211_FLAG_NEED_RTNL
,
14079 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
14080 .doit
= nl80211_channel_switch
,
14081 .policy
= nl80211_policy
,
14082 .flags
= GENL_UNS_ADMIN_PERM
,
14083 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14084 NL80211_FLAG_NEED_RTNL
,
14087 .cmd
= NL80211_CMD_VENDOR
,
14088 .doit
= nl80211_vendor_cmd
,
14089 .dumpit
= nl80211_vendor_cmd_dump
,
14090 .policy
= nl80211_policy
,
14091 .flags
= GENL_UNS_ADMIN_PERM
,
14092 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
14093 NL80211_FLAG_NEED_RTNL
,
14096 .cmd
= NL80211_CMD_SET_QOS_MAP
,
14097 .doit
= nl80211_set_qos_map
,
14098 .policy
= nl80211_policy
,
14099 .flags
= GENL_UNS_ADMIN_PERM
,
14100 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14101 NL80211_FLAG_NEED_RTNL
,
14104 .cmd
= NL80211_CMD_ADD_TX_TS
,
14105 .doit
= nl80211_add_tx_ts
,
14106 .policy
= nl80211_policy
,
14107 .flags
= GENL_UNS_ADMIN_PERM
,
14108 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14109 NL80211_FLAG_NEED_RTNL
,
14112 .cmd
= NL80211_CMD_DEL_TX_TS
,
14113 .doit
= nl80211_del_tx_ts
,
14114 .policy
= nl80211_policy
,
14115 .flags
= GENL_UNS_ADMIN_PERM
,
14116 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14117 NL80211_FLAG_NEED_RTNL
,
14120 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
14121 .doit
= nl80211_tdls_channel_switch
,
14122 .policy
= nl80211_policy
,
14123 .flags
= GENL_UNS_ADMIN_PERM
,
14124 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14125 NL80211_FLAG_NEED_RTNL
,
14128 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
14129 .doit
= nl80211_tdls_cancel_channel_switch
,
14130 .policy
= nl80211_policy
,
14131 .flags
= GENL_UNS_ADMIN_PERM
,
14132 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14133 NL80211_FLAG_NEED_RTNL
,
14136 .cmd
= NL80211_CMD_SET_MULTICAST_TO_UNICAST
,
14137 .doit
= nl80211_set_multicast_to_unicast
,
14138 .policy
= nl80211_policy
,
14139 .flags
= GENL_UNS_ADMIN_PERM
,
14140 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
14141 NL80211_FLAG_NEED_RTNL
,
14144 .cmd
= NL80211_CMD_SET_PMK
,
14145 .doit
= nl80211_set_pmk
,
14146 .policy
= nl80211_policy
,
14147 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14148 NL80211_FLAG_NEED_RTNL
,
14151 .cmd
= NL80211_CMD_DEL_PMK
,
14152 .doit
= nl80211_del_pmk
,
14153 .policy
= nl80211_policy
,
14154 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14155 NL80211_FLAG_NEED_RTNL
,
14158 .cmd
= NL80211_CMD_EXTERNAL_AUTH
,
14159 .doit
= nl80211_external_auth
,
14160 .policy
= nl80211_policy
,
14161 .flags
= GENL_ADMIN_PERM
,
14162 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14163 NL80211_FLAG_NEED_RTNL
,
14166 .cmd
= NL80211_CMD_CONTROL_PORT_FRAME
,
14167 .doit
= nl80211_tx_control_port
,
14168 .policy
= nl80211_policy
,
14169 .flags
= GENL_UNS_ADMIN_PERM
,
14170 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14171 NL80211_FLAG_NEED_RTNL
,
14174 .cmd
= NL80211_CMD_GET_FTM_RESPONDER_STATS
,
14175 .doit
= nl80211_get_ftm_responder_stats
,
14176 .policy
= nl80211_policy
,
14177 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
14178 NL80211_FLAG_NEED_RTNL
,
14181 .cmd
= NL80211_CMD_PEER_MEASUREMENT_START
,
14182 .doit
= nl80211_pmsr_start
,
14183 .policy
= nl80211_policy
,
14184 .flags
= GENL_UNS_ADMIN_PERM
,
14185 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
14186 NL80211_FLAG_NEED_RTNL
,
14189 .cmd
= NL80211_CMD_NOTIFY_RADAR
,
14190 .doit
= nl80211_notify_radar_detection
,
14191 .policy
= nl80211_policy
,
14192 .flags
= GENL_UNS_ADMIN_PERM
,
14193 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
14194 NL80211_FLAG_NEED_RTNL
,
14198 static struct genl_family nl80211_fam __ro_after_init
= {
14199 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
14200 .hdrsize
= 0, /* no private header */
14201 .version
= 1, /* no particular meaning now */
14202 .maxattr
= NL80211_ATTR_MAX
,
14204 .pre_doit
= nl80211_pre_doit
,
14205 .post_doit
= nl80211_post_doit
,
14206 .module
= THIS_MODULE
,
14207 .ops
= nl80211_ops
,
14208 .n_ops
= ARRAY_SIZE(nl80211_ops
),
14209 .mcgrps
= nl80211_mcgrps
,
14210 .n_mcgrps
= ARRAY_SIZE(nl80211_mcgrps
),
14213 /* notification functions */
14215 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
14216 enum nl80211_commands cmd
)
14218 struct sk_buff
*msg
;
14219 struct nl80211_dump_wiphy_state state
= {};
14221 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
14222 cmd
!= NL80211_CMD_DEL_WIPHY
);
14224 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14228 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
14233 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14234 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
14237 void nl80211_notify_iface(struct cfg80211_registered_device
*rdev
,
14238 struct wireless_dev
*wdev
,
14239 enum nl80211_commands cmd
)
14241 struct sk_buff
*msg
;
14243 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14247 if (nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, cmd
) < 0) {
14252 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14253 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
14256 static int nl80211_add_scan_req(struct sk_buff
*msg
,
14257 struct cfg80211_registered_device
*rdev
)
14259 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
14260 struct nlattr
*nest
;
14266 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
14268 goto nla_put_failure
;
14269 for (i
= 0; i
< req
->n_ssids
; i
++) {
14270 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
14271 goto nla_put_failure
;
14273 nla_nest_end(msg
, nest
);
14275 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
14277 goto nla_put_failure
;
14278 for (i
= 0; i
< req
->n_channels
; i
++) {
14279 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
14280 goto nla_put_failure
;
14282 nla_nest_end(msg
, nest
);
14285 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
14286 goto nla_put_failure
;
14289 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
14290 goto nla_put_failure
;
14292 if (req
->info
.scan_start_tsf
&&
14293 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
14294 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
14295 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
14296 req
->info
.tsf_bssid
)))
14297 goto nla_put_failure
;
14304 static int nl80211_prep_scan_msg(struct sk_buff
*msg
,
14305 struct cfg80211_registered_device
*rdev
,
14306 struct wireless_dev
*wdev
,
14307 u32 portid
, u32 seq
, int flags
,
14312 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
14316 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14317 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14318 wdev
->netdev
->ifindex
)) ||
14319 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14321 goto nla_put_failure
;
14323 /* ignore errors and send incomplete event anyway */
14324 nl80211_add_scan_req(msg
, rdev
);
14326 genlmsg_end(msg
, hdr
);
14330 genlmsg_cancel(msg
, hdr
);
14335 nl80211_prep_sched_scan_msg(struct sk_buff
*msg
,
14336 struct cfg80211_sched_scan_request
*req
, u32 cmd
)
14340 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14344 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
,
14345 wiphy_to_rdev(req
->wiphy
)->wiphy_idx
) ||
14346 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, req
->dev
->ifindex
) ||
14347 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, req
->reqid
,
14349 goto nla_put_failure
;
14351 genlmsg_end(msg
, hdr
);
14355 genlmsg_cancel(msg
, hdr
);
14359 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
14360 struct wireless_dev
*wdev
)
14362 struct sk_buff
*msg
;
14364 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14368 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
14369 NL80211_CMD_TRIGGER_SCAN
) < 0) {
14374 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14375 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
14378 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
14379 struct wireless_dev
*wdev
, bool aborted
)
14381 struct sk_buff
*msg
;
14383 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14387 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
14388 aborted
? NL80211_CMD_SCAN_ABORTED
:
14389 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
14397 /* send message created by nl80211_build_scan_msg() */
14398 void nl80211_send_scan_msg(struct cfg80211_registered_device
*rdev
,
14399 struct sk_buff
*msg
)
14404 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14405 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
14408 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request
*req
, u32 cmd
)
14410 struct sk_buff
*msg
;
14412 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14416 if (nl80211_prep_sched_scan_msg(msg
, req
, cmd
) < 0) {
14421 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(req
->wiphy
), msg
, 0,
14422 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
14425 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
14426 struct regulatory_request
*request
)
14428 /* Userspace can always count this one always being set */
14429 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
14430 goto nla_put_failure
;
14432 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
14433 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
14434 NL80211_REGDOM_TYPE_WORLD
))
14435 goto nla_put_failure
;
14436 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
14437 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
14438 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
14439 goto nla_put_failure
;
14440 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
14441 request
->intersect
) {
14442 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
14443 NL80211_REGDOM_TYPE_INTERSECTION
))
14444 goto nla_put_failure
;
14446 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
14447 NL80211_REGDOM_TYPE_COUNTRY
) ||
14448 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
14450 goto nla_put_failure
;
14453 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
14454 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
14457 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
14458 goto nla_put_failure
;
14461 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
14462 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
14463 goto nla_put_failure
;
14473 * This can happen on global regulatory changes or device specific settings
14474 * based on custom regulatory domains.
14476 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
14477 struct regulatory_request
*request
)
14479 struct sk_buff
*msg
;
14482 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14486 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
14492 if (nl80211_reg_change_event_fill(msg
, request
) == false)
14493 goto nla_put_failure
;
14495 genlmsg_end(msg
, hdr
);
14498 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
14499 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
14508 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
14509 struct net_device
*netdev
,
14510 const u8
*buf
, size_t len
,
14511 enum nl80211_commands cmd
, gfp_t gfp
,
14512 int uapsd_queues
, const u8
*req_ies
,
14513 size_t req_ies_len
)
14515 struct sk_buff
*msg
;
14518 msg
= nlmsg_new(100 + len
+ req_ies_len
, gfp
);
14522 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14528 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14529 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14530 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14532 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ies_len
, req_ies
)))
14533 goto nla_put_failure
;
14535 if (uapsd_queues
>= 0) {
14536 struct nlattr
*nla_wmm
=
14537 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
14539 goto nla_put_failure
;
14541 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
14543 goto nla_put_failure
;
14545 nla_nest_end(msg
, nla_wmm
);
14548 genlmsg_end(msg
, hdr
);
14550 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14551 NL80211_MCGRP_MLME
, gfp
);
14558 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
14559 struct net_device
*netdev
, const u8
*buf
,
14560 size_t len
, gfp_t gfp
)
14562 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
14563 NL80211_CMD_AUTHENTICATE
, gfp
, -1, NULL
, 0);
14566 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
14567 struct net_device
*netdev
, const u8
*buf
,
14568 size_t len
, gfp_t gfp
, int uapsd_queues
,
14569 const u8
*req_ies
, size_t req_ies_len
)
14571 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
14572 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
,
14573 req_ies
, req_ies_len
);
14576 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
14577 struct net_device
*netdev
, const u8
*buf
,
14578 size_t len
, gfp_t gfp
)
14580 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
14581 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1, NULL
, 0);
14584 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
14585 struct net_device
*netdev
, const u8
*buf
,
14586 size_t len
, gfp_t gfp
)
14588 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
14589 NL80211_CMD_DISASSOCIATE
, gfp
, -1, NULL
, 0);
14592 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
14595 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14596 struct wiphy
*wiphy
= wdev
->wiphy
;
14597 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14598 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
14601 if (WARN_ON(len
< 2))
14604 if (ieee80211_is_deauth(mgmt
->frame_control
))
14605 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
14607 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
14609 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
14610 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1,
14613 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
14615 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
14616 struct net_device
*netdev
, int cmd
,
14617 const u8
*addr
, gfp_t gfp
)
14619 struct sk_buff
*msg
;
14622 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14626 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14632 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14633 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14634 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
14635 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
14636 goto nla_put_failure
;
14638 genlmsg_end(msg
, hdr
);
14640 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14641 NL80211_MCGRP_MLME
, gfp
);
14648 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
14649 struct net_device
*netdev
, const u8
*addr
,
14652 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
14656 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
14657 struct net_device
*netdev
, const u8
*addr
,
14660 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
14664 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
14665 struct net_device
*netdev
,
14666 struct cfg80211_connect_resp_params
*cr
,
14669 struct sk_buff
*msg
;
14672 msg
= nlmsg_new(100 + cr
->req_ie_len
+ cr
->resp_ie_len
+
14673 cr
->fils
.kek_len
+ cr
->fils
.pmk_len
+
14674 (cr
->fils
.pmkid
? WLAN_PMKID_LEN
: 0), gfp
);
14678 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
14684 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14685 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14687 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, cr
->bssid
)) ||
14688 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
14689 cr
->status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
14692 (nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
14693 nla_put_u32(msg
, NL80211_ATTR_TIMEOUT_REASON
,
14694 cr
->timeout_reason
))) ||
14696 nla_put(msg
, NL80211_ATTR_REQ_IE
, cr
->req_ie_len
, cr
->req_ie
)) ||
14698 nla_put(msg
, NL80211_ATTR_RESP_IE
, cr
->resp_ie_len
,
14700 (cr
->fils
.update_erp_next_seq_num
&&
14701 nla_put_u16(msg
, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
,
14702 cr
->fils
.erp_next_seq_num
)) ||
14703 (cr
->status
== WLAN_STATUS_SUCCESS
&&
14705 nla_put(msg
, NL80211_ATTR_FILS_KEK
, cr
->fils
.kek_len
,
14708 nla_put(msg
, NL80211_ATTR_PMK
, cr
->fils
.pmk_len
, cr
->fils
.pmk
)) ||
14710 nla_put(msg
, NL80211_ATTR_PMKID
, WLAN_PMKID_LEN
, cr
->fils
.pmkid
)))))
14711 goto nla_put_failure
;
14713 genlmsg_end(msg
, hdr
);
14715 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14716 NL80211_MCGRP_MLME
, gfp
);
14723 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
14724 struct net_device
*netdev
,
14725 struct cfg80211_roam_info
*info
, gfp_t gfp
)
14727 struct sk_buff
*msg
;
14729 const u8
*bssid
= info
->bss
? info
->bss
->bssid
: info
->bssid
;
14731 msg
= nlmsg_new(100 + info
->req_ie_len
+ info
->resp_ie_len
+
14732 info
->fils
.kek_len
+ info
->fils
.pmk_len
+
14733 (info
->fils
.pmkid
? WLAN_PMKID_LEN
: 0), gfp
);
14737 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
14743 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14744 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14745 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
14747 nla_put(msg
, NL80211_ATTR_REQ_IE
, info
->req_ie_len
,
14750 nla_put(msg
, NL80211_ATTR_RESP_IE
, info
->resp_ie_len
,
14752 (info
->fils
.update_erp_next_seq_num
&&
14753 nla_put_u16(msg
, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
,
14754 info
->fils
.erp_next_seq_num
)) ||
14756 nla_put(msg
, NL80211_ATTR_FILS_KEK
, info
->fils
.kek_len
,
14757 info
->fils
.kek
)) ||
14759 nla_put(msg
, NL80211_ATTR_PMK
, info
->fils
.pmk_len
, info
->fils
.pmk
)) ||
14760 (info
->fils
.pmkid
&&
14761 nla_put(msg
, NL80211_ATTR_PMKID
, WLAN_PMKID_LEN
, info
->fils
.pmkid
)))
14762 goto nla_put_failure
;
14764 genlmsg_end(msg
, hdr
);
14766 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14767 NL80211_MCGRP_MLME
, gfp
);
14774 void nl80211_send_port_authorized(struct cfg80211_registered_device
*rdev
,
14775 struct net_device
*netdev
, const u8
*bssid
)
14777 struct sk_buff
*msg
;
14780 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14784 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED
);
14790 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
14791 goto nla_put_failure
;
14793 genlmsg_end(msg
, hdr
);
14795 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14796 NL80211_MCGRP_MLME
, GFP_KERNEL
);
14803 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
14804 struct net_device
*netdev
, u16 reason
,
14805 const u8
*ie
, size_t ie_len
, bool from_ap
)
14807 struct sk_buff
*msg
;
14810 msg
= nlmsg_new(100 + ie_len
, GFP_KERNEL
);
14814 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
14820 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14821 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14823 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
14825 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
14826 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
14827 goto nla_put_failure
;
14829 genlmsg_end(msg
, hdr
);
14831 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14832 NL80211_MCGRP_MLME
, GFP_KERNEL
);
14839 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
14840 struct net_device
*netdev
, const u8
*bssid
,
14843 struct sk_buff
*msg
;
14846 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14850 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
14856 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14857 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14858 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
14859 goto nla_put_failure
;
14861 genlmsg_end(msg
, hdr
);
14863 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14864 NL80211_MCGRP_MLME
, gfp
);
14871 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
14872 const u8
*ie
, u8 ie_len
,
14873 int sig_dbm
, gfp_t gfp
)
14875 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14876 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14877 struct sk_buff
*msg
;
14880 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
14883 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
14885 msg
= nlmsg_new(100 + ie_len
, gfp
);
14889 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
14895 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14896 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14897 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14899 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)) ||
14901 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)))
14902 goto nla_put_failure
;
14904 genlmsg_end(msg
, hdr
);
14906 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14907 NL80211_MCGRP_MLME
, gfp
);
14913 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
14915 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
14916 struct net_device
*netdev
, const u8
*addr
,
14917 enum nl80211_key_type key_type
, int key_id
,
14918 const u8
*tsc
, gfp_t gfp
)
14920 struct sk_buff
*msg
;
14923 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14927 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
14933 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14934 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14935 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
14936 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
14938 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
14939 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
14940 goto nla_put_failure
;
14942 genlmsg_end(msg
, hdr
);
14944 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14945 NL80211_MCGRP_MLME
, gfp
);
14952 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
14953 struct ieee80211_channel
*channel_before
,
14954 struct ieee80211_channel
*channel_after
)
14956 struct sk_buff
*msg
;
14958 struct nlattr
*nl_freq
;
14960 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
14964 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
14971 * Since we are applying the beacon hint to a wiphy we know its
14972 * wiphy_idx is valid
14974 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
14975 goto nla_put_failure
;
14978 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
14980 goto nla_put_failure
;
14982 if (nl80211_msg_put_channel(msg
, wiphy
, channel_before
, false))
14983 goto nla_put_failure
;
14984 nla_nest_end(msg
, nl_freq
);
14987 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
14989 goto nla_put_failure
;
14991 if (nl80211_msg_put_channel(msg
, wiphy
, channel_after
, false))
14992 goto nla_put_failure
;
14993 nla_nest_end(msg
, nl_freq
);
14995 genlmsg_end(msg
, hdr
);
14998 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
14999 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
15008 static void nl80211_send_remain_on_chan_event(
15009 int cmd
, struct cfg80211_registered_device
*rdev
,
15010 struct wireless_dev
*wdev
, u64 cookie
,
15011 struct ieee80211_channel
*chan
,
15012 unsigned int duration
, gfp_t gfp
)
15014 struct sk_buff
*msg
;
15017 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15021 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
15027 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15028 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
15029 wdev
->netdev
->ifindex
)) ||
15030 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15031 NL80211_ATTR_PAD
) ||
15032 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
15033 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
15034 NL80211_CHAN_NO_HT
) ||
15035 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
15037 goto nla_put_failure
;
15039 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
15040 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
15041 goto nla_put_failure
;
15043 genlmsg_end(msg
, hdr
);
15045 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15046 NL80211_MCGRP_MLME
, gfp
);
15053 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
15054 struct ieee80211_channel
*chan
,
15055 unsigned int duration
, gfp_t gfp
)
15057 struct wiphy
*wiphy
= wdev
->wiphy
;
15058 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15060 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
15061 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
15062 rdev
, wdev
, cookie
, chan
,
15065 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
15067 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
15068 struct ieee80211_channel
*chan
,
15071 struct wiphy
*wiphy
= wdev
->wiphy
;
15072 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15074 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
15075 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
15076 rdev
, wdev
, cookie
, chan
, 0, gfp
);
15078 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
15080 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
15081 struct station_info
*sinfo
, gfp_t gfp
)
15083 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
15084 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15085 struct sk_buff
*msg
;
15087 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
15089 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15093 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
15094 rdev
, dev
, mac_addr
, sinfo
) < 0) {
15099 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15100 NL80211_MCGRP_MLME
, gfp
);
15102 EXPORT_SYMBOL(cfg80211_new_sta
);
15104 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
15105 struct station_info
*sinfo
, gfp_t gfp
)
15107 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
15108 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15109 struct sk_buff
*msg
;
15110 struct station_info empty_sinfo
= {};
15113 sinfo
= &empty_sinfo
;
15115 trace_cfg80211_del_sta(dev
, mac_addr
);
15117 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15119 cfg80211_sinfo_release_content(sinfo
);
15123 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
15124 rdev
, dev
, mac_addr
, sinfo
) < 0) {
15129 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15130 NL80211_MCGRP_MLME
, gfp
);
15132 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
15134 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
15135 enum nl80211_connect_failed_reason reason
,
15138 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
15139 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15140 struct sk_buff
*msg
;
15143 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
15147 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
15153 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15154 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
15155 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
15156 goto nla_put_failure
;
15158 genlmsg_end(msg
, hdr
);
15160 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15161 NL80211_MCGRP_MLME
, gfp
);
15167 EXPORT_SYMBOL(cfg80211_conn_failed
);
15169 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
15170 const u8
*addr
, gfp_t gfp
)
15172 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15173 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15174 struct sk_buff
*msg
;
15176 u32 nlportid
= READ_ONCE(wdev
->ap_unexpected_nlportid
);
15181 msg
= nlmsg_new(100, gfp
);
15185 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
15191 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15192 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15193 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
15194 goto nla_put_failure
;
15196 genlmsg_end(msg
, hdr
);
15197 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
15205 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
15206 const u8
*addr
, gfp_t gfp
)
15208 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15211 trace_cfg80211_rx_spurious_frame(dev
, addr
);
15213 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
15214 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
15215 trace_cfg80211_return_bool(false);
15218 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
15220 trace_cfg80211_return_bool(ret
);
15223 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
15225 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
15226 const u8
*addr
, gfp_t gfp
)
15228 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15231 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
15233 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
15234 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
15235 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
15236 trace_cfg80211_return_bool(false);
15239 ret
= __nl80211_unexpected_frame(dev
,
15240 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
15242 trace_cfg80211_return_bool(ret
);
15245 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
15247 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
15248 struct wireless_dev
*wdev
, u32 nlportid
,
15249 int freq
, int sig_dbm
,
15250 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
15252 struct net_device
*netdev
= wdev
->netdev
;
15253 struct sk_buff
*msg
;
15256 msg
= nlmsg_new(100 + len
, gfp
);
15260 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
15266 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15267 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
15268 netdev
->ifindex
)) ||
15269 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15270 NL80211_ATTR_PAD
) ||
15271 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
15273 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
15274 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
15276 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
15277 goto nla_put_failure
;
15279 genlmsg_end(msg
, hdr
);
15281 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
15288 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
15289 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
15291 struct wiphy
*wiphy
= wdev
->wiphy
;
15292 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15293 struct net_device
*netdev
= wdev
->netdev
;
15294 struct sk_buff
*msg
;
15297 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
15299 msg
= nlmsg_new(100 + len
, gfp
);
15303 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
15309 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15310 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
15311 netdev
->ifindex
)) ||
15312 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15313 NL80211_ATTR_PAD
) ||
15314 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
15315 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
15316 NL80211_ATTR_PAD
) ||
15317 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
15318 goto nla_put_failure
;
15320 genlmsg_end(msg
, hdr
);
15322 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15323 NL80211_MCGRP_MLME
, gfp
);
15329 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
15331 static int __nl80211_rx_control_port(struct net_device
*dev
,
15332 struct sk_buff
*skb
,
15333 bool unencrypted
, gfp_t gfp
)
15335 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15336 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15337 struct ethhdr
*ehdr
= eth_hdr(skb
);
15338 const u8
*addr
= ehdr
->h_source
;
15339 u16 proto
= be16_to_cpu(skb
->protocol
);
15340 struct sk_buff
*msg
;
15342 struct nlattr
*frame
;
15344 u32 nlportid
= READ_ONCE(wdev
->conn_owner_nlportid
);
15349 msg
= nlmsg_new(100 + skb
->len
, gfp
);
15353 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME
);
15359 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15360 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15361 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15362 NL80211_ATTR_PAD
) ||
15363 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
15364 nla_put_u16(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
, proto
) ||
15365 (unencrypted
&& nla_put_flag(msg
,
15366 NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
)))
15367 goto nla_put_failure
;
15369 frame
= nla_reserve(msg
, NL80211_ATTR_FRAME
, skb
->len
);
15371 goto nla_put_failure
;
15373 skb_copy_bits(skb
, 0, nla_data(frame
), skb
->len
);
15374 genlmsg_end(msg
, hdr
);
15376 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
15383 bool cfg80211_rx_control_port(struct net_device
*dev
,
15384 struct sk_buff
*skb
, bool unencrypted
)
15388 trace_cfg80211_rx_control_port(dev
, skb
, unencrypted
);
15389 ret
= __nl80211_rx_control_port(dev
, skb
, unencrypted
, GFP_ATOMIC
);
15390 trace_cfg80211_return_bool(ret
== 0);
15393 EXPORT_SYMBOL(cfg80211_rx_control_port
);
15395 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
15396 const char *mac
, gfp_t gfp
)
15398 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15399 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15400 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15406 cb
= (void **)msg
->cb
;
15408 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
15414 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15415 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
15416 goto nla_put_failure
;
15418 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
15419 goto nla_put_failure
;
15421 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
15423 goto nla_put_failure
;
15433 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
15435 void **cb
= (void **)msg
->cb
;
15436 struct cfg80211_registered_device
*rdev
= cb
[2];
15438 nla_nest_end(msg
, cb
[1]);
15439 genlmsg_end(msg
, cb
[0]);
15441 memset(msg
->cb
, 0, sizeof(msg
->cb
));
15443 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15444 NL80211_MCGRP_MLME
, gfp
);
15447 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
15448 enum nl80211_cqm_rssi_threshold_event rssi_event
,
15449 s32 rssi_level
, gfp_t gfp
)
15451 struct sk_buff
*msg
;
15452 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15453 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15455 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
, rssi_level
);
15457 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
15458 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
15461 if (wdev
->cqm_config
) {
15462 wdev
->cqm_config
->last_rssi_event_value
= rssi_level
;
15464 cfg80211_cqm_rssi_update(rdev
, dev
);
15466 if (rssi_level
== 0)
15467 rssi_level
= wdev
->cqm_config
->last_rssi_event_value
;
15470 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
15474 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
15476 goto nla_put_failure
;
15478 if (rssi_level
&& nla_put_s32(msg
, NL80211_ATTR_CQM_RSSI_LEVEL
,
15480 goto nla_put_failure
;
15482 cfg80211_send_cqm(msg
, gfp
);
15489 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
15491 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
15492 const u8
*peer
, u32 num_packets
,
15493 u32 rate
, u32 intvl
, gfp_t gfp
)
15495 struct sk_buff
*msg
;
15497 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
15501 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
15502 goto nla_put_failure
;
15504 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
15505 goto nla_put_failure
;
15507 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
15508 goto nla_put_failure
;
15510 cfg80211_send_cqm(msg
, gfp
);
15516 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
15518 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
15519 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
15521 struct sk_buff
*msg
;
15523 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
15525 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
15529 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
15530 goto nla_put_failure
;
15532 cfg80211_send_cqm(msg
, gfp
);
15538 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
15540 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
15542 struct sk_buff
*msg
;
15544 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
15548 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
15549 goto nla_put_failure
;
15551 cfg80211_send_cqm(msg
, gfp
);
15557 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
15559 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
15560 struct net_device
*netdev
, const u8
*bssid
,
15561 const u8
*replay_ctr
, gfp_t gfp
)
15563 struct sk_buff
*msg
;
15564 struct nlattr
*rekey_attr
;
15567 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15571 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
15577 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15578 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
15579 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
15580 goto nla_put_failure
;
15582 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
15584 goto nla_put_failure
;
15586 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
15587 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
15588 goto nla_put_failure
;
15590 nla_nest_end(msg
, rekey_attr
);
15592 genlmsg_end(msg
, hdr
);
15594 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15595 NL80211_MCGRP_MLME
, gfp
);
15602 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
15603 const u8
*replay_ctr
, gfp_t gfp
)
15605 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15606 struct wiphy
*wiphy
= wdev
->wiphy
;
15607 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15609 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
15610 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
15612 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
15615 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
15616 struct net_device
*netdev
, int index
,
15617 const u8
*bssid
, bool preauth
, gfp_t gfp
)
15619 struct sk_buff
*msg
;
15620 struct nlattr
*attr
;
15623 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15627 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
15633 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15634 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
15635 goto nla_put_failure
;
15637 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
15639 goto nla_put_failure
;
15641 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
15642 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
15644 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
15645 goto nla_put_failure
;
15647 nla_nest_end(msg
, attr
);
15649 genlmsg_end(msg
, hdr
);
15651 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15652 NL80211_MCGRP_MLME
, gfp
);
15659 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
15660 const u8
*bssid
, bool preauth
, gfp_t gfp
)
15662 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15663 struct wiphy
*wiphy
= wdev
->wiphy
;
15664 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15666 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
15667 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
15669 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
15671 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
15672 struct net_device
*netdev
,
15673 struct cfg80211_chan_def
*chandef
,
15675 enum nl80211_commands notif
,
15678 struct sk_buff
*msg
;
15681 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15685 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
15691 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
15692 goto nla_put_failure
;
15694 if (nl80211_send_chandef(msg
, chandef
))
15695 goto nla_put_failure
;
15697 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
15698 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
15699 goto nla_put_failure
;
15701 genlmsg_end(msg
, hdr
);
15703 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15704 NL80211_MCGRP_MLME
, gfp
);
15711 void cfg80211_ch_switch_notify(struct net_device
*dev
,
15712 struct cfg80211_chan_def
*chandef
)
15714 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15715 struct wiphy
*wiphy
= wdev
->wiphy
;
15716 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15718 ASSERT_WDEV_LOCK(wdev
);
15720 trace_cfg80211_ch_switch_notify(dev
, chandef
);
15722 wdev
->chandef
= *chandef
;
15723 wdev
->preset_chandef
= *chandef
;
15724 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
15725 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
15727 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
15729 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
15730 struct cfg80211_chan_def
*chandef
,
15733 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15734 struct wiphy
*wiphy
= wdev
->wiphy
;
15735 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15737 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
15739 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
15740 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
15742 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
15745 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
15746 const struct cfg80211_chan_def
*chandef
,
15747 enum nl80211_radar_event event
,
15748 struct net_device
*netdev
, gfp_t gfp
)
15750 struct sk_buff
*msg
;
15753 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15757 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
15763 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
15764 goto nla_put_failure
;
15766 /* NOP and radar events don't need a netdev parameter */
15768 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
15770 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
15771 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15773 goto nla_put_failure
;
15776 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
15777 goto nla_put_failure
;
15779 if (nl80211_send_chandef(msg
, chandef
))
15780 goto nla_put_failure
;
15782 genlmsg_end(msg
, hdr
);
15784 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15785 NL80211_MCGRP_MLME
, gfp
);
15792 void cfg80211_sta_opmode_change_notify(struct net_device
*dev
, const u8
*mac
,
15793 struct sta_opmode_info
*sta_opmode
,
15796 struct sk_buff
*msg
;
15797 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15798 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15804 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15808 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED
);
15814 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
15815 goto nla_put_failure
;
15817 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
15818 goto nla_put_failure
;
15820 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
15821 goto nla_put_failure
;
15823 if ((sta_opmode
->changed
& STA_OPMODE_SMPS_MODE_CHANGED
) &&
15824 nla_put_u8(msg
, NL80211_ATTR_SMPS_MODE
, sta_opmode
->smps_mode
))
15825 goto nla_put_failure
;
15827 if ((sta_opmode
->changed
& STA_OPMODE_MAX_BW_CHANGED
) &&
15828 nla_put_u8(msg
, NL80211_ATTR_CHANNEL_WIDTH
, sta_opmode
->bw
))
15829 goto nla_put_failure
;
15831 if ((sta_opmode
->changed
& STA_OPMODE_N_SS_CHANGED
) &&
15832 nla_put_u8(msg
, NL80211_ATTR_NSS
, sta_opmode
->rx_nss
))
15833 goto nla_put_failure
;
15835 genlmsg_end(msg
, hdr
);
15837 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15838 NL80211_MCGRP_MLME
, gfp
);
15845 EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify
);
15847 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
15848 u64 cookie
, bool acked
, s32 ack_signal
,
15849 bool is_valid_ack_signal
, gfp_t gfp
)
15851 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15852 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15853 struct sk_buff
*msg
;
15856 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
15858 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15863 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
15869 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15870 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15871 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
15872 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
15873 NL80211_ATTR_PAD
) ||
15874 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)) ||
15875 (is_valid_ack_signal
&& nla_put_s32(msg
, NL80211_ATTR_ACK_SIGNAL
,
15877 goto nla_put_failure
;
15879 genlmsg_end(msg
, hdr
);
15881 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15882 NL80211_MCGRP_MLME
, gfp
);
15888 EXPORT_SYMBOL(cfg80211_probe_status
);
15890 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
15891 const u8
*frame
, size_t len
,
15892 int freq
, int sig_dbm
)
15894 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15895 struct sk_buff
*msg
;
15897 struct cfg80211_beacon_registration
*reg
;
15899 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
15901 spin_lock_bh(&rdev
->beacon_registrations_lock
);
15902 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
15903 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
15905 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
15909 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
15911 goto nla_put_failure
;
15913 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15915 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
15917 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
15918 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
15919 goto nla_put_failure
;
15921 genlmsg_end(msg
, hdr
);
15923 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
15925 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
15929 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
15932 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
15935 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
15936 struct cfg80211_wowlan_wakeup
*wakeup
)
15938 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
15939 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
15942 nl_results
= nla_nest_start(
15943 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
15947 for (i
= 0; i
< nd
->n_matches
; i
++) {
15948 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
15950 nl_match
= nla_nest_start(msg
, i
);
15954 /* The SSID attribute is optional in nl80211, but for
15955 * simplicity reasons it's always present in the
15956 * cfg80211 structure. If a driver can't pass the
15957 * SSID, that needs to be changed. A zero length SSID
15958 * is still a valid SSID (wildcard), so it cannot be
15959 * used for this purpose.
15961 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
15962 match
->ssid
.ssid
)) {
15963 nla_nest_cancel(msg
, nl_match
);
15967 if (match
->n_channels
) {
15968 nl_freqs
= nla_nest_start(
15969 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
15971 nla_nest_cancel(msg
, nl_match
);
15975 for (j
= 0; j
< match
->n_channels
; j
++) {
15976 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
15977 nla_nest_cancel(msg
, nl_freqs
);
15978 nla_nest_cancel(msg
, nl_match
);
15983 nla_nest_end(msg
, nl_freqs
);
15986 nla_nest_end(msg
, nl_match
);
15990 nla_nest_end(msg
, nl_results
);
15994 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
15995 struct cfg80211_wowlan_wakeup
*wakeup
,
15998 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15999 struct sk_buff
*msg
;
16003 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
16006 size
+= wakeup
->packet_present_len
;
16008 msg
= nlmsg_new(size
, gfp
);
16012 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
16016 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
16017 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
16021 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
16022 wdev
->netdev
->ifindex
))
16026 struct nlattr
*reasons
;
16028 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
16032 if (wakeup
->disconnect
&&
16033 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
16035 if (wakeup
->magic_pkt
&&
16036 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
16038 if (wakeup
->gtk_rekey_failure
&&
16039 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
16041 if (wakeup
->eap_identity_req
&&
16042 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
16044 if (wakeup
->four_way_handshake
&&
16045 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
16047 if (wakeup
->rfkill_release
&&
16048 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
16051 if (wakeup
->pattern_idx
>= 0 &&
16052 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
16053 wakeup
->pattern_idx
))
16056 if (wakeup
->tcp_match
&&
16057 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
16060 if (wakeup
->tcp_connlost
&&
16061 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
16064 if (wakeup
->tcp_nomoretokens
&&
16066 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
16069 if (wakeup
->packet
) {
16070 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
16071 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
16073 if (!wakeup
->packet_80211
) {
16075 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
16077 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
16080 if (wakeup
->packet_len
&&
16081 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
16084 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
16089 if (wakeup
->net_detect
&&
16090 cfg80211_net_detect_results(msg
, wakeup
))
16093 nla_nest_end(msg
, reasons
);
16096 genlmsg_end(msg
, hdr
);
16098 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
16099 NL80211_MCGRP_MLME
, gfp
);
16105 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
16108 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
16109 enum nl80211_tdls_operation oper
,
16110 u16 reason_code
, gfp_t gfp
)
16112 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
16113 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
16114 struct sk_buff
*msg
;
16117 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
16120 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
16124 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
16130 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
16131 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
16132 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
16133 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
16134 (reason_code
> 0 &&
16135 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
16136 goto nla_put_failure
;
16138 genlmsg_end(msg
, hdr
);
16140 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
16141 NL80211_MCGRP_MLME
, gfp
);
16147 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
16149 static int nl80211_netlink_notify(struct notifier_block
* nb
,
16150 unsigned long state
,
16153 struct netlink_notify
*notify
= _notify
;
16154 struct cfg80211_registered_device
*rdev
;
16155 struct wireless_dev
*wdev
;
16156 struct cfg80211_beacon_registration
*reg
, *tmp
;
16158 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
16159 return NOTIFY_DONE
;
16163 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
16164 struct cfg80211_sched_scan_request
*sched_scan_req
;
16166 list_for_each_entry_rcu(sched_scan_req
,
16167 &rdev
->sched_scan_req_list
,
16169 if (sched_scan_req
->owner_nlportid
== notify
->portid
) {
16170 sched_scan_req
->nl_owner_dead
= true;
16171 schedule_work(&rdev
->sched_scan_stop_wk
);
16175 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
16176 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
16178 if (wdev
->owner_nlportid
== notify
->portid
) {
16179 wdev
->nl_owner_dead
= true;
16180 schedule_work(&rdev
->destroy_work
);
16181 } else if (wdev
->conn_owner_nlportid
== notify
->portid
) {
16182 schedule_work(&wdev
->disconnect_wk
);
16185 cfg80211_release_pmsr(wdev
, notify
->portid
);
16188 spin_lock_bh(&rdev
->beacon_registrations_lock
);
16189 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
16191 if (reg
->nlportid
== notify
->portid
) {
16192 list_del(®
->list
);
16197 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
16203 * It is possible that the user space process that is controlling the
16204 * indoor setting disappeared, so notify the regulatory core.
16206 regulatory_netlink_notify(notify
->portid
);
16210 static struct notifier_block nl80211_netlink_notifier
= {
16211 .notifier_call
= nl80211_netlink_notify
,
16214 void cfg80211_ft_event(struct net_device
*netdev
,
16215 struct cfg80211_ft_event_params
*ft_event
)
16217 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
16218 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
16219 struct sk_buff
*msg
;
16222 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
16224 if (!ft_event
->target_ap
)
16227 msg
= nlmsg_new(100 + ft_event
->ies_len
+ ft_event
->ric_ies_len
,
16232 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
16236 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
16237 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
16238 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
16241 if (ft_event
->ies
&&
16242 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
16244 if (ft_event
->ric_ies
&&
16245 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
16246 ft_event
->ric_ies
))
16249 genlmsg_end(msg
, hdr
);
16251 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
16252 NL80211_MCGRP_MLME
, GFP_KERNEL
);
16257 EXPORT_SYMBOL(cfg80211_ft_event
);
16259 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
16261 struct cfg80211_registered_device
*rdev
;
16262 struct sk_buff
*msg
;
16266 rdev
= wiphy_to_rdev(wdev
->wiphy
);
16267 if (!rdev
->crit_proto_nlportid
)
16270 nlportid
= rdev
->crit_proto_nlportid
;
16271 rdev
->crit_proto_nlportid
= 0;
16273 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
16277 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
16279 goto nla_put_failure
;
16281 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
16282 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
16284 goto nla_put_failure
;
16286 genlmsg_end(msg
, hdr
);
16288 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
16294 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
16296 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
16298 struct wiphy
*wiphy
= wdev
->wiphy
;
16299 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
16300 struct sk_buff
*msg
;
16303 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
16307 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
16311 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
16312 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
16313 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
16317 genlmsg_end(msg
, hdr
);
16319 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
16320 NL80211_MCGRP_MLME
, GFP_KERNEL
);
16326 int cfg80211_external_auth_request(struct net_device
*dev
,
16327 struct cfg80211_external_auth_params
*params
,
16330 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
16331 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
16332 struct sk_buff
*msg
;
16335 if (!wdev
->conn_owner_nlportid
)
16338 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
16342 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH
);
16344 goto nla_put_failure
;
16346 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
16347 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
16348 nla_put_u32(msg
, NL80211_ATTR_AKM_SUITES
, params
->key_mgmt_suite
) ||
16349 nla_put_u32(msg
, NL80211_ATTR_EXTERNAL_AUTH_ACTION
,
16351 nla_put(msg
, NL80211_ATTR_BSSID
, ETH_ALEN
, params
->bssid
) ||
16352 nla_put(msg
, NL80211_ATTR_SSID
, params
->ssid
.ssid_len
,
16353 params
->ssid
.ssid
))
16354 goto nla_put_failure
;
16356 genlmsg_end(msg
, hdr
);
16357 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
16358 wdev
->conn_owner_nlportid
);
16365 EXPORT_SYMBOL(cfg80211_external_auth_request
);
16367 /* initialisation/exit functions */
16369 int __init
nl80211_init(void)
16373 err
= genl_register_family(&nl80211_fam
);
16377 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
16383 genl_unregister_family(&nl80211_fam
);
16387 void nl80211_exit(void)
16389 netlink_unregister_notifier(&nl80211_netlink_notifier
);
16390 genl_unregister_family(&nl80211_fam
);