2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
6 * Copyright 2015-2016 Intel Deutschland GmbH
10 #include <linux/module.h>
11 #include <linux/err.h>
12 #include <linux/slab.h>
13 #include <linux/list.h>
14 #include <linux/if_ether.h>
15 #include <linux/ieee80211.h>
16 #include <linux/nl80211.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/netlink.h>
19 #include <linux/etherdevice.h>
20 #include <net/net_namespace.h>
21 #include <net/genetlink.h>
22 #include <net/cfg80211.h>
24 #include <net/inet_connection_sock.h>
30 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
31 struct genl_info
*info
,
32 struct cfg80211_crypto_settings
*settings
,
35 /* the netlink family */
36 static struct genl_family nl80211_fam
;
38 /* multicast groups */
39 enum nl80211_multicast_groups
{
42 NL80211_MCGRP_REGULATORY
,
46 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
49 static const struct genl_multicast_group nl80211_mcgrps
[] = {
50 [NL80211_MCGRP_CONFIG
] = { .name
= NL80211_MULTICAST_GROUP_CONFIG
},
51 [NL80211_MCGRP_SCAN
] = { .name
= NL80211_MULTICAST_GROUP_SCAN
},
52 [NL80211_MCGRP_REGULATORY
] = { .name
= NL80211_MULTICAST_GROUP_REG
},
53 [NL80211_MCGRP_MLME
] = { .name
= NL80211_MULTICAST_GROUP_MLME
},
54 [NL80211_MCGRP_VENDOR
] = { .name
= NL80211_MULTICAST_GROUP_VENDOR
},
55 [NL80211_MCGRP_NAN
] = { .name
= NL80211_MULTICAST_GROUP_NAN
},
56 #ifdef CONFIG_NL80211_TESTMODE
57 [NL80211_MCGRP_TESTMODE
] = { .name
= NL80211_MULTICAST_GROUP_TESTMODE
}
61 /* returns ERR_PTR values */
62 static struct wireless_dev
*
63 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
65 struct cfg80211_registered_device
*rdev
;
66 struct wireless_dev
*result
= NULL
;
67 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
68 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
75 if (!have_ifidx
&& !have_wdev_id
)
76 return ERR_PTR(-EINVAL
);
79 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
81 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
82 wiphy_idx
= wdev_id
>> 32;
85 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
86 struct wireless_dev
*wdev
;
88 if (wiphy_net(&rdev
->wiphy
) != netns
)
91 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
94 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
95 if (have_ifidx
&& wdev
->netdev
&&
96 wdev
->netdev
->ifindex
== ifidx
) {
100 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
112 return ERR_PTR(-ENODEV
);
115 static struct cfg80211_registered_device
*
116 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
118 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
119 struct net_device
*netdev
;
123 if (!attrs
[NL80211_ATTR_WIPHY
] &&
124 !attrs
[NL80211_ATTR_IFINDEX
] &&
125 !attrs
[NL80211_ATTR_WDEV
])
126 return ERR_PTR(-EINVAL
);
128 if (attrs
[NL80211_ATTR_WIPHY
])
129 rdev
= cfg80211_rdev_by_wiphy_idx(
130 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
132 if (attrs
[NL80211_ATTR_WDEV
]) {
133 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
134 struct wireless_dev
*wdev
;
137 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
139 /* make sure wdev exists */
140 list_for_each_entry(wdev
, &tmp
->wiphy
.wdev_list
, list
) {
141 if (wdev
->identifier
!= (u32
)wdev_id
)
150 if (rdev
&& tmp
!= rdev
)
151 return ERR_PTR(-EINVAL
);
156 if (attrs
[NL80211_ATTR_IFINDEX
]) {
157 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
159 netdev
= __dev_get_by_index(netns
, ifindex
);
161 if (netdev
->ieee80211_ptr
)
163 netdev
->ieee80211_ptr
->wiphy
);
167 /* not wireless device -- return error */
169 return ERR_PTR(-EINVAL
);
171 /* mismatch -- return error */
172 if (rdev
&& tmp
!= rdev
)
173 return ERR_PTR(-EINVAL
);
180 return ERR_PTR(-ENODEV
);
182 if (netns
!= wiphy_net(&rdev
->wiphy
))
183 return ERR_PTR(-ENODEV
);
189 * This function returns a pointer to the driver
190 * that the genl_info item that is passed refers to.
192 * The result of this can be a PTR_ERR and hence must
193 * be checked with IS_ERR() for errors.
195 static struct cfg80211_registered_device
*
196 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
198 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
201 /* policy for the attributes */
202 static const struct nla_policy nl80211_policy
[NUM_NL80211_ATTR
] = {
203 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
204 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
206 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
208 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
209 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
210 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
211 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
212 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
214 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
215 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
216 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
217 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
218 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
219 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
221 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
225 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
226 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
228 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
229 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
230 .len
= WLAN_MAX_KEY_LEN
},
231 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
232 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
233 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
234 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
235 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
237 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
238 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
239 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
240 .len
= IEEE80211_MAX_DATA_LEN
},
241 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
242 .len
= IEEE80211_MAX_DATA_LEN
},
243 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
244 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
245 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
246 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
247 .len
= NL80211_MAX_SUPP_RATES
},
248 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
249 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
250 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
251 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
252 .len
= IEEE80211_MAX_MESH_ID_LEN
},
253 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
255 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
256 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
258 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
259 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
260 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
261 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
262 .len
= NL80211_MAX_SUPP_RATES
},
263 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
265 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
266 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
268 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
270 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
271 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
272 .len
= IEEE80211_MAX_DATA_LEN
},
273 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
274 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
276 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
277 .len
= IEEE80211_MAX_SSID_LEN
},
278 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
279 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
280 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
281 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
282 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
283 [NL80211_ATTR_STA_FLAGS2
] = {
284 .len
= sizeof(struct nl80211_sta_flag_update
),
286 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
287 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
288 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
289 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
290 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
291 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
292 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
293 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
294 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
295 .len
= WLAN_PMKID_LEN
},
296 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
297 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
298 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
299 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
300 .len
= IEEE80211_MAX_DATA_LEN
},
301 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
302 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
303 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
304 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
305 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
306 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
307 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
308 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
309 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
310 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
311 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
312 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
313 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
314 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
315 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
316 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
317 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
318 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
319 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
321 .len
= IEEE80211_MAX_DATA_LEN
},
322 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
323 .len
= IEEE80211_MAX_DATA_LEN
},
324 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
325 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
326 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
327 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
328 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
329 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
330 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
331 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
332 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
333 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
334 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
335 .len
= IEEE80211_MAX_DATA_LEN
},
336 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
337 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
338 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
339 .len
= NL80211_HT_CAPABILITY_LEN
341 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
342 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
343 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
344 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
345 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
346 [NL80211_ATTR_AUTH_DATA
] = { .type
= NLA_BINARY
, },
347 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
348 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
349 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
350 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
351 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
352 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
353 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
355 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
356 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
357 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
358 .len
= NL80211_VHT_CAPABILITY_LEN
,
360 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
361 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
362 .len
= IEEE80211_MAX_DATA_LEN
},
363 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
364 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
365 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
366 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
367 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
368 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
369 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
370 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
371 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
372 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
373 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
374 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
375 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
376 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
377 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
378 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
379 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
380 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
381 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
382 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
383 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
384 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
385 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
386 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
387 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
388 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
389 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG
] = { .type
= NLA_FLAG
},
390 [NL80211_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
391 [NL80211_ATTR_SCHED_SCAN_DELAY
] = { .type
= NLA_U32
},
392 [NL80211_ATTR_REG_INDOOR
] = { .type
= NLA_FLAG
},
393 [NL80211_ATTR_PBSS
] = { .type
= NLA_FLAG
},
394 [NL80211_ATTR_BSS_SELECT
] = { .type
= NLA_NESTED
},
395 [NL80211_ATTR_STA_SUPPORT_P2P_PS
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_MU_MIMO_GROUP_DATA
] = {
397 .len
= VHT_MUMIMO_GROUPS_DATA_LEN
399 [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
] = { .len
= ETH_ALEN
},
400 [NL80211_ATTR_NAN_MASTER_PREF
] = { .type
= NLA_U8
},
401 [NL80211_ATTR_NAN_DUAL
] = { .type
= NLA_U8
},
402 [NL80211_ATTR_NAN_FUNC
] = { .type
= NLA_NESTED
},
403 [NL80211_ATTR_FILS_KEK
] = { .type
= NLA_BINARY
,
404 .len
= FILS_MAX_KEK_LEN
},
405 [NL80211_ATTR_FILS_NONCES
] = { .len
= 2 * FILS_NONCE_LEN
},
406 [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
] = { .type
= NLA_FLAG
, },
407 [NL80211_ATTR_BSSID
] = { .len
= ETH_ALEN
},
410 /* policy for the key attributes */
411 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
412 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
413 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
414 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
415 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
416 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
417 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
418 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
419 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
422 /* policy for the key default flags */
423 static const struct nla_policy
424 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
425 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
426 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
430 /* policy for WoWLAN attributes */
431 static const struct nla_policy
432 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
433 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
434 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
435 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
436 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
437 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
438 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
439 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
440 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
441 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
442 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
445 static const struct nla_policy
446 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
447 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
448 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
449 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
450 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
451 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
452 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
453 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
454 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
456 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
457 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
459 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
460 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
461 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
463 #endif /* CONFIG_PM */
465 /* policy for coalesce rule attributes */
466 static const struct nla_policy
467 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
468 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
469 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
470 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
473 /* policy for GTK rekey offload attributes */
474 static const struct nla_policy
475 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
476 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
477 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
478 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
481 static const struct nla_policy
482 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
483 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
484 .len
= IEEE80211_MAX_SSID_LEN
},
485 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
488 static const struct nla_policy
489 nl80211_plan_policy
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1] = {
490 [NL80211_SCHED_SCAN_PLAN_INTERVAL
] = { .type
= NLA_U32
},
491 [NL80211_SCHED_SCAN_PLAN_ITERATIONS
] = { .type
= NLA_U32
},
494 static const struct nla_policy
495 nl80211_bss_select_policy
[NL80211_BSS_SELECT_ATTR_MAX
+ 1] = {
496 [NL80211_BSS_SELECT_ATTR_RSSI
] = { .type
= NLA_FLAG
},
497 [NL80211_BSS_SELECT_ATTR_BAND_PREF
] = { .type
= NLA_U32
},
498 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
] = {
499 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
503 /* policy for NAN function attributes */
504 static const struct nla_policy
505 nl80211_nan_func_policy
[NL80211_NAN_FUNC_ATTR_MAX
+ 1] = {
506 [NL80211_NAN_FUNC_TYPE
] = { .type
= NLA_U8
},
507 [NL80211_NAN_FUNC_SERVICE_ID
] = { .type
= NLA_BINARY
,
508 .len
= NL80211_NAN_FUNC_SERVICE_ID_LEN
},
509 [NL80211_NAN_FUNC_PUBLISH_TYPE
] = { .type
= NLA_U8
},
510 [NL80211_NAN_FUNC_PUBLISH_BCAST
] = { .type
= NLA_FLAG
},
511 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
] = { .type
= NLA_FLAG
},
512 [NL80211_NAN_FUNC_FOLLOW_UP_ID
] = { .type
= NLA_U8
},
513 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
] = { .type
= NLA_U8
},
514 [NL80211_NAN_FUNC_FOLLOW_UP_DEST
] = { .len
= ETH_ALEN
},
515 [NL80211_NAN_FUNC_CLOSE_RANGE
] = { .type
= NLA_FLAG
},
516 [NL80211_NAN_FUNC_TTL
] = { .type
= NLA_U32
},
517 [NL80211_NAN_FUNC_SERVICE_INFO
] = { .type
= NLA_BINARY
,
518 .len
= NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN
},
519 [NL80211_NAN_FUNC_SRF
] = { .type
= NLA_NESTED
},
520 [NL80211_NAN_FUNC_RX_MATCH_FILTER
] = { .type
= NLA_NESTED
},
521 [NL80211_NAN_FUNC_TX_MATCH_FILTER
] = { .type
= NLA_NESTED
},
522 [NL80211_NAN_FUNC_INSTANCE_ID
] = { .type
= NLA_U8
},
523 [NL80211_NAN_FUNC_TERM_REASON
] = { .type
= NLA_U8
},
526 /* policy for Service Response Filter attributes */
527 static const struct nla_policy
528 nl80211_nan_srf_policy
[NL80211_NAN_SRF_ATTR_MAX
+ 1] = {
529 [NL80211_NAN_SRF_INCLUDE
] = { .type
= NLA_FLAG
},
530 [NL80211_NAN_SRF_BF
] = { .type
= NLA_BINARY
,
531 .len
= NL80211_NAN_FUNC_SRF_MAX_LEN
},
532 [NL80211_NAN_SRF_BF_IDX
] = { .type
= NLA_U8
},
533 [NL80211_NAN_SRF_MAC_ADDRS
] = { .type
= NLA_NESTED
},
536 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
537 struct netlink_callback
*cb
,
538 struct cfg80211_registered_device
**rdev
,
539 struct wireless_dev
**wdev
)
546 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
547 genl_family_attrbuf(&nl80211_fam
),
548 nl80211_fam
.maxattr
, nl80211_policy
);
552 *wdev
= __cfg80211_wdev_from_attrs(
554 genl_family_attrbuf(&nl80211_fam
));
556 err
= PTR_ERR(*wdev
);
559 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
560 /* 0 is the first index - add 1 to parse only once */
561 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
562 cb
->args
[1] = (*wdev
)->identifier
;
564 /* subtract the 1 again here */
565 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
566 struct wireless_dev
*tmp
;
572 *rdev
= wiphy_to_rdev(wiphy
);
575 list_for_each_entry(tmp
, &(*rdev
)->wiphy
.wdev_list
, list
) {
576 if (tmp
->identifier
== cb
->args
[1]) {
594 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
600 static bool is_valid_ie_attr(const struct nlattr
*attr
)
608 pos
= nla_data(attr
);
629 /* message building helper */
630 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
633 /* since there is no private header just add the generic one */
634 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
637 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
638 struct ieee80211_channel
*chan
,
641 /* Some channels must be completely excluded from the
642 * list to protect old user-space tools from breaking
644 if (!large
&& chan
->flags
&
645 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
648 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
650 goto nla_put_failure
;
652 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
653 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
654 goto nla_put_failure
;
655 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
656 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
657 goto nla_put_failure
;
658 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
659 goto nla_put_failure
;
661 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
662 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
663 goto nla_put_failure
;
667 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
669 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
671 goto nla_put_failure
;
672 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
674 goto nla_put_failure
;
676 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
678 goto nla_put_failure
;
683 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
684 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
685 goto nla_put_failure
;
686 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
687 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
688 goto nla_put_failure
;
689 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
690 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
691 goto nla_put_failure
;
692 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
693 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
694 goto nla_put_failure
;
695 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
696 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
697 goto nla_put_failure
;
698 if ((chan
->flags
& IEEE80211_CHAN_IR_CONCURRENT
) &&
699 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_IR_CONCURRENT
))
700 goto nla_put_failure
;
701 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
702 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
703 goto nla_put_failure
;
704 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
705 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
706 goto nla_put_failure
;
709 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
710 DBM_TO_MBM(chan
->max_power
)))
711 goto nla_put_failure
;
719 /* netlink command implementations */
726 bool def_uni
, def_multi
;
729 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
731 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
732 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
737 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
738 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
747 if (tb
[NL80211_KEY_IDX
])
748 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
750 if (tb
[NL80211_KEY_DATA
]) {
751 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
752 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
755 if (tb
[NL80211_KEY_SEQ
]) {
756 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
757 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
760 if (tb
[NL80211_KEY_CIPHER
])
761 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
763 if (tb
[NL80211_KEY_TYPE
]) {
764 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
765 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
769 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
770 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
772 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
773 tb
[NL80211_KEY_DEFAULT_TYPES
],
774 nl80211_key_default_policy
);
778 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
779 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
785 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
787 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
788 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
789 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
792 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
793 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
794 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
797 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
798 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
800 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
801 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
803 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
804 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
813 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
814 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
815 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
819 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
820 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
821 int err
= nla_parse_nested(
822 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
823 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
824 nl80211_key_default_policy
);
828 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
829 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
835 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
839 memset(k
, 0, sizeof(*k
));
843 if (info
->attrs
[NL80211_ATTR_KEY
])
844 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
846 err
= nl80211_parse_key_old(info
, k
);
851 if (k
->def
&& k
->defmgmt
)
855 if (k
->def_uni
|| !k
->def_multi
)
861 if (k
->idx
< 4 || k
->idx
> 5)
864 if (k
->idx
< 0 || k
->idx
> 3)
867 if (k
->idx
< 0 || k
->idx
> 5)
875 static struct cfg80211_cached_keys
*
876 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
877 struct nlattr
*keys
, bool *no_ht
)
879 struct key_parse parse
;
881 struct cfg80211_cached_keys
*result
;
882 int rem
, err
, def
= 0;
883 bool have_key
= false;
885 nla_for_each_nested(key
, keys
, rem
) {
893 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
895 return ERR_PTR(-ENOMEM
);
899 nla_for_each_nested(key
, keys
, rem
) {
900 memset(&parse
, 0, sizeof(parse
));
903 err
= nl80211_parse_key_new(key
, &parse
);
909 if (parse
.idx
< 0 || parse
.idx
> 3)
915 result
->def
= parse
.idx
;
916 if (!parse
.def_uni
|| !parse
.def_multi
)
918 } else if (parse
.defmgmt
)
920 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
921 parse
.idx
, false, NULL
);
924 if (parse
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
&&
925 parse
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
) {
929 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
930 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
931 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
932 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
934 /* must be WEP key if we got here */
939 if (result
->def
< 0) {
950 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
952 ASSERT_WDEV_LOCK(wdev
);
954 switch (wdev
->iftype
) {
955 case NL80211_IFTYPE_AP
:
956 case NL80211_IFTYPE_AP_VLAN
:
957 case NL80211_IFTYPE_P2P_GO
:
958 case NL80211_IFTYPE_MESH_POINT
:
960 case NL80211_IFTYPE_ADHOC
:
961 case NL80211_IFTYPE_STATION
:
962 case NL80211_IFTYPE_P2P_CLIENT
:
963 if (!wdev
->current_bss
)
966 case NL80211_IFTYPE_UNSPECIFIED
:
967 case NL80211_IFTYPE_OCB
:
968 case NL80211_IFTYPE_MONITOR
:
969 case NL80211_IFTYPE_NAN
:
970 case NL80211_IFTYPE_P2P_DEVICE
:
971 case NL80211_IFTYPE_WDS
:
972 case NUM_NL80211_IFTYPES
:
979 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
982 struct ieee80211_channel
*chan
;
986 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
987 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
992 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
994 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
998 goto nla_put_failure
;
1002 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
1003 goto nla_put_failure
;
1008 nla_nest_end(msg
, nl_modes
);
1015 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
1016 struct sk_buff
*msg
,
1019 struct nlattr
*nl_combis
;
1022 nl_combis
= nla_nest_start(msg
,
1023 NL80211_ATTR_INTERFACE_COMBINATIONS
);
1025 goto nla_put_failure
;
1027 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
1028 const struct ieee80211_iface_combination
*c
;
1029 struct nlattr
*nl_combi
, *nl_limits
;
1031 c
= &wiphy
->iface_combinations
[i
];
1033 nl_combi
= nla_nest_start(msg
, i
+ 1);
1035 goto nla_put_failure
;
1037 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
1039 goto nla_put_failure
;
1041 for (j
= 0; j
< c
->n_limits
; j
++) {
1042 struct nlattr
*nl_limit
;
1044 nl_limit
= nla_nest_start(msg
, j
+ 1);
1046 goto nla_put_failure
;
1047 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
1049 goto nla_put_failure
;
1050 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
1051 c
->limits
[j
].types
))
1052 goto nla_put_failure
;
1053 nla_nest_end(msg
, nl_limit
);
1056 nla_nest_end(msg
, nl_limits
);
1058 if (c
->beacon_int_infra_match
&&
1059 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
1060 goto nla_put_failure
;
1061 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
1062 c
->num_different_channels
) ||
1063 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
1065 goto nla_put_failure
;
1067 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
1068 c
->radar_detect_widths
) ||
1069 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
1070 c
->radar_detect_regions
)))
1071 goto nla_put_failure
;
1072 if (c
->beacon_int_min_gcd
&&
1073 nla_put_u32(msg
, NL80211_IFACE_COMB_BI_MIN_GCD
,
1074 c
->beacon_int_min_gcd
))
1075 goto nla_put_failure
;
1077 nla_nest_end(msg
, nl_combi
);
1080 nla_nest_end(msg
, nl_combis
);
1088 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1089 struct sk_buff
*msg
)
1091 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1092 struct nlattr
*nl_tcp
;
1097 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1101 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1102 tcp
->data_payload_max
))
1105 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1106 tcp
->data_payload_max
))
1109 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1112 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1113 sizeof(*tcp
->tok
), tcp
->tok
))
1116 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1117 tcp
->data_interval_max
))
1120 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1121 tcp
->wake_payload_max
))
1124 nla_nest_end(msg
, nl_tcp
);
1128 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1129 struct cfg80211_registered_device
*rdev
,
1132 struct nlattr
*nl_wowlan
;
1134 if (!rdev
->wiphy
.wowlan
)
1137 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1141 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1142 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1143 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1144 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1145 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1146 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1147 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1148 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1149 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1150 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1151 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1152 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1153 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1154 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1155 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1156 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1159 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1160 struct nl80211_pattern_support pat
= {
1161 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1162 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1163 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1164 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1167 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1172 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1173 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1174 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1177 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1180 nla_nest_end(msg
, nl_wowlan
);
1186 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1187 struct cfg80211_registered_device
*rdev
)
1189 struct nl80211_coalesce_rule_support rule
;
1191 if (!rdev
->wiphy
.coalesce
)
1194 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1195 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1196 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1197 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1198 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1199 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1201 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1207 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1208 struct ieee80211_supported_band
*sband
)
1210 struct nlattr
*nl_rates
, *nl_rate
;
1211 struct ieee80211_rate
*rate
;
1215 if (sband
->ht_cap
.ht_supported
&&
1216 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1217 sizeof(sband
->ht_cap
.mcs
),
1218 &sband
->ht_cap
.mcs
) ||
1219 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1220 sband
->ht_cap
.cap
) ||
1221 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1222 sband
->ht_cap
.ampdu_factor
) ||
1223 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1224 sband
->ht_cap
.ampdu_density
)))
1228 if (sband
->vht_cap
.vht_supported
&&
1229 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1230 sizeof(sband
->vht_cap
.vht_mcs
),
1231 &sband
->vht_cap
.vht_mcs
) ||
1232 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1233 sband
->vht_cap
.cap
)))
1237 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1241 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1242 nl_rate
= nla_nest_start(msg
, i
);
1246 rate
= &sband
->bitrates
[i
];
1247 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1250 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1252 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1255 nla_nest_end(msg
, nl_rate
);
1258 nla_nest_end(msg
, nl_rates
);
1264 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1265 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1268 struct nlattr
*nl_ftypes
, *nl_ifs
;
1269 enum nl80211_iftype ift
;
1275 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1279 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1280 nl_ftypes
= nla_nest_start(msg
, ift
);
1284 stypes
= mgmt_stypes
[ift
].tx
;
1287 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1288 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1293 nla_nest_end(msg
, nl_ftypes
);
1296 nla_nest_end(msg
, nl_ifs
);
1298 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1302 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1303 nl_ftypes
= nla_nest_start(msg
, ift
);
1307 stypes
= mgmt_stypes
[ift
].rx
;
1310 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1311 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1316 nla_nest_end(msg
, nl_ftypes
);
1318 nla_nest_end(msg
, nl_ifs
);
1323 #define CMD(op, n) \
1325 if (rdev->ops->op) { \
1327 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1328 goto nla_put_failure; \
1332 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device
*rdev
,
1333 struct sk_buff
*msg
)
1338 * do *NOT* add anything into this function, new things need to be
1339 * advertised only to new versions of userspace that can deal with
1340 * the split (and they can't possibly care about new features...
1342 CMD(add_virtual_intf
, NEW_INTERFACE
);
1343 CMD(change_virtual_intf
, SET_INTERFACE
);
1344 CMD(add_key
, NEW_KEY
);
1345 CMD(start_ap
, START_AP
);
1346 CMD(add_station
, NEW_STATION
);
1347 CMD(add_mpath
, NEW_MPATH
);
1348 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1349 CMD(change_bss
, SET_BSS
);
1350 CMD(auth
, AUTHENTICATE
);
1351 CMD(assoc
, ASSOCIATE
);
1352 CMD(deauth
, DEAUTHENTICATE
);
1353 CMD(disassoc
, DISASSOCIATE
);
1354 CMD(join_ibss
, JOIN_IBSS
);
1355 CMD(join_mesh
, JOIN_MESH
);
1356 CMD(set_pmksa
, SET_PMKSA
);
1357 CMD(del_pmksa
, DEL_PMKSA
);
1358 CMD(flush_pmksa
, FLUSH_PMKSA
);
1359 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1360 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1361 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1362 CMD(mgmt_tx
, FRAME
);
1363 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1364 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1366 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1367 goto nla_put_failure
;
1369 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1370 rdev
->ops
->join_mesh
) {
1372 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1373 goto nla_put_failure
;
1375 CMD(set_wds_peer
, SET_WDS_PEER
);
1376 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1377 CMD(tdls_mgmt
, TDLS_MGMT
);
1378 CMD(tdls_oper
, TDLS_OPER
);
1380 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1381 CMD(sched_scan_start
, START_SCHED_SCAN
);
1382 CMD(probe_client
, PROBE_CLIENT
);
1383 CMD(set_noack_map
, SET_NOACK_MAP
);
1384 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1386 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1387 goto nla_put_failure
;
1389 CMD(start_p2p_device
, START_P2P_DEVICE
);
1390 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1391 #ifdef CONFIG_NL80211_TESTMODE
1392 CMD(testmode_cmd
, TESTMODE
);
1395 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1397 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1398 goto nla_put_failure
;
1401 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1403 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1404 goto nla_put_failure
;
1412 struct nl80211_dump_wiphy_state
{
1415 long split_start
, band_start
, chan_start
, capa_start
;
1419 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1420 enum nl80211_commands cmd
,
1421 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1422 int flags
, struct nl80211_dump_wiphy_state
*state
)
1425 struct nlattr
*nl_bands
, *nl_band
;
1426 struct nlattr
*nl_freqs
, *nl_freq
;
1427 struct nlattr
*nl_cmds
;
1428 enum nl80211_band band
;
1429 struct ieee80211_channel
*chan
;
1431 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1432 rdev
->wiphy
.mgmt_stypes
;
1435 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1439 if (WARN_ON(!state
))
1442 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1443 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1444 wiphy_name(&rdev
->wiphy
)) ||
1445 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1446 cfg80211_rdev_list_generation
))
1447 goto nla_put_failure
;
1449 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1452 switch (state
->split_start
) {
1454 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1455 rdev
->wiphy
.retry_short
) ||
1456 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1457 rdev
->wiphy
.retry_long
) ||
1458 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1459 rdev
->wiphy
.frag_threshold
) ||
1460 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1461 rdev
->wiphy
.rts_threshold
) ||
1462 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1463 rdev
->wiphy
.coverage_class
) ||
1464 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1465 rdev
->wiphy
.max_scan_ssids
) ||
1466 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1467 rdev
->wiphy
.max_sched_scan_ssids
) ||
1468 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1469 rdev
->wiphy
.max_scan_ie_len
) ||
1470 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1471 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1472 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1473 rdev
->wiphy
.max_match_sets
) ||
1474 nla_put_u32(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
,
1475 rdev
->wiphy
.max_sched_scan_plans
) ||
1476 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
,
1477 rdev
->wiphy
.max_sched_scan_plan_interval
) ||
1478 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
,
1479 rdev
->wiphy
.max_sched_scan_plan_iterations
))
1480 goto nla_put_failure
;
1482 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1483 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1484 goto nla_put_failure
;
1485 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1486 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1487 goto nla_put_failure
;
1488 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1489 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1490 goto nla_put_failure
;
1491 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1492 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1493 goto nla_put_failure
;
1494 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1495 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1496 goto nla_put_failure
;
1497 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1498 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1499 goto nla_put_failure
;
1500 state
->split_start
++;
1504 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1505 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1506 rdev
->wiphy
.cipher_suites
))
1507 goto nla_put_failure
;
1509 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1510 rdev
->wiphy
.max_num_pmkids
))
1511 goto nla_put_failure
;
1513 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1514 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1515 goto nla_put_failure
;
1517 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1518 rdev
->wiphy
.available_antennas_tx
) ||
1519 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1520 rdev
->wiphy
.available_antennas_rx
))
1521 goto nla_put_failure
;
1523 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1524 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1525 rdev
->wiphy
.probe_resp_offload
))
1526 goto nla_put_failure
;
1528 if ((rdev
->wiphy
.available_antennas_tx
||
1529 rdev
->wiphy
.available_antennas_rx
) &&
1530 rdev
->ops
->get_antenna
) {
1531 u32 tx_ant
= 0, rx_ant
= 0;
1534 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1536 if (nla_put_u32(msg
,
1537 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1540 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1542 goto nla_put_failure
;
1546 state
->split_start
++;
1550 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1551 rdev
->wiphy
.interface_modes
))
1552 goto nla_put_failure
;
1553 state
->split_start
++;
1557 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1559 goto nla_put_failure
;
1561 for (band
= state
->band_start
;
1562 band
< NUM_NL80211_BANDS
; band
++) {
1563 struct ieee80211_supported_band
*sband
;
1565 sband
= rdev
->wiphy
.bands
[band
];
1570 nl_band
= nla_nest_start(msg
, band
);
1572 goto nla_put_failure
;
1574 switch (state
->chan_start
) {
1576 if (nl80211_send_band_rateinfo(msg
, sband
))
1577 goto nla_put_failure
;
1578 state
->chan_start
++;
1582 /* add frequencies */
1583 nl_freqs
= nla_nest_start(
1584 msg
, NL80211_BAND_ATTR_FREQS
);
1586 goto nla_put_failure
;
1588 for (i
= state
->chan_start
- 1;
1589 i
< sband
->n_channels
;
1591 nl_freq
= nla_nest_start(msg
, i
);
1593 goto nla_put_failure
;
1595 chan
= &sband
->channels
[i
];
1597 if (nl80211_msg_put_channel(
1600 goto nla_put_failure
;
1602 nla_nest_end(msg
, nl_freq
);
1606 if (i
< sband
->n_channels
)
1607 state
->chan_start
= i
+ 2;
1609 state
->chan_start
= 0;
1610 nla_nest_end(msg
, nl_freqs
);
1613 nla_nest_end(msg
, nl_band
);
1616 /* start again here */
1617 if (state
->chan_start
)
1622 nla_nest_end(msg
, nl_bands
);
1624 if (band
< NUM_NL80211_BANDS
)
1625 state
->band_start
= band
+ 1;
1627 state
->band_start
= 0;
1629 /* if bands & channels are done, continue outside */
1630 if (state
->band_start
== 0 && state
->chan_start
== 0)
1631 state
->split_start
++;
1635 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1637 goto nla_put_failure
;
1639 i
= nl80211_add_commands_unsplit(rdev
, msg
);
1641 goto nla_put_failure
;
1643 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1644 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1645 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1646 CMD(channel_switch
, CHANNEL_SWITCH
);
1647 CMD(set_qos_map
, SET_QOS_MAP
);
1648 if (rdev
->wiphy
.features
&
1649 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1650 CMD(add_tx_ts
, ADD_TX_TS
);
1651 CMD(set_multicast_to_unicast
, SET_MULTICAST_TO_UNICAST
);
1652 CMD(update_connect_params
, UPDATE_CONNECT_PARAMS
);
1656 nla_nest_end(msg
, nl_cmds
);
1657 state
->split_start
++;
1661 if (rdev
->ops
->remain_on_channel
&&
1662 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1664 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1665 rdev
->wiphy
.max_remain_on_channel_duration
))
1666 goto nla_put_failure
;
1668 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1669 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1670 goto nla_put_failure
;
1672 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1673 goto nla_put_failure
;
1674 state
->split_start
++;
1679 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1680 goto nla_put_failure
;
1681 state
->split_start
++;
1685 state
->split_start
++;
1688 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1689 rdev
->wiphy
.software_iftypes
))
1690 goto nla_put_failure
;
1692 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1694 goto nla_put_failure
;
1696 state
->split_start
++;
1700 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1701 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1702 rdev
->wiphy
.ap_sme_capa
))
1703 goto nla_put_failure
;
1705 features
= rdev
->wiphy
.features
;
1707 * We can only add the per-channel limit information if the
1708 * dump is split, otherwise it makes it too big. Therefore
1709 * only advertise it in that case.
1712 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1713 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1714 goto nla_put_failure
;
1716 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1717 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1718 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1719 rdev
->wiphy
.ht_capa_mod_mask
))
1720 goto nla_put_failure
;
1722 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1723 rdev
->wiphy
.max_acl_mac_addrs
&&
1724 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1725 rdev
->wiphy
.max_acl_mac_addrs
))
1726 goto nla_put_failure
;
1729 * Any information below this point is only available to
1730 * applications that can deal with it being split. This
1731 * helps ensure that newly added capabilities don't break
1732 * older tools by overrunning their buffers.
1734 * We still increment split_start so that in the split
1735 * case we'll continue with more data in the next round,
1736 * but break unconditionally so unsplit data stops here.
1738 state
->split_start
++;
1741 if (rdev
->wiphy
.extended_capabilities
&&
1742 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1743 rdev
->wiphy
.extended_capabilities_len
,
1744 rdev
->wiphy
.extended_capabilities
) ||
1745 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1746 rdev
->wiphy
.extended_capabilities_len
,
1747 rdev
->wiphy
.extended_capabilities_mask
)))
1748 goto nla_put_failure
;
1750 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1751 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1752 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1753 rdev
->wiphy
.vht_capa_mod_mask
))
1754 goto nla_put_failure
;
1756 state
->split_start
++;
1759 if (nl80211_send_coalesce(msg
, rdev
))
1760 goto nla_put_failure
;
1762 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1763 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1764 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1765 goto nla_put_failure
;
1767 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1768 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1769 rdev
->wiphy
.max_ap_assoc_sta
))
1770 goto nla_put_failure
;
1772 state
->split_start
++;
1775 if (rdev
->wiphy
.n_vendor_commands
) {
1776 const struct nl80211_vendor_cmd_info
*info
;
1777 struct nlattr
*nested
;
1779 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1781 goto nla_put_failure
;
1783 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1784 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1785 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1786 goto nla_put_failure
;
1788 nla_nest_end(msg
, nested
);
1791 if (rdev
->wiphy
.n_vendor_events
) {
1792 const struct nl80211_vendor_cmd_info
*info
;
1793 struct nlattr
*nested
;
1795 nested
= nla_nest_start(msg
,
1796 NL80211_ATTR_VENDOR_EVENTS
);
1798 goto nla_put_failure
;
1800 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1801 info
= &rdev
->wiphy
.vendor_events
[i
];
1802 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1803 goto nla_put_failure
;
1805 nla_nest_end(msg
, nested
);
1807 state
->split_start
++;
1810 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1811 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1812 rdev
->wiphy
.max_num_csa_counters
))
1813 goto nla_put_failure
;
1815 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1816 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1817 goto nla_put_failure
;
1819 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1820 sizeof(rdev
->wiphy
.ext_features
),
1821 rdev
->wiphy
.ext_features
))
1822 goto nla_put_failure
;
1824 if (rdev
->wiphy
.bss_select_support
) {
1825 struct nlattr
*nested
;
1826 u32 bss_select_support
= rdev
->wiphy
.bss_select_support
;
1828 nested
= nla_nest_start(msg
, NL80211_ATTR_BSS_SELECT
);
1830 goto nla_put_failure
;
1833 while (bss_select_support
) {
1834 if ((bss_select_support
& 1) &&
1835 nla_put_flag(msg
, i
))
1836 goto nla_put_failure
;
1838 bss_select_support
>>= 1;
1840 nla_nest_end(msg
, nested
);
1843 state
->split_start
++;
1846 if (rdev
->wiphy
.num_iftype_ext_capab
&&
1847 rdev
->wiphy
.iftype_ext_capab
) {
1848 struct nlattr
*nested_ext_capab
, *nested
;
1850 nested
= nla_nest_start(msg
,
1851 NL80211_ATTR_IFTYPE_EXT_CAPA
);
1853 goto nla_put_failure
;
1855 for (i
= state
->capa_start
;
1856 i
< rdev
->wiphy
.num_iftype_ext_capab
; i
++) {
1857 const struct wiphy_iftype_ext_capab
*capab
;
1859 capab
= &rdev
->wiphy
.iftype_ext_capab
[i
];
1861 nested_ext_capab
= nla_nest_start(msg
, i
);
1862 if (!nested_ext_capab
||
1863 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
,
1865 nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1866 capab
->extended_capabilities_len
,
1867 capab
->extended_capabilities
) ||
1868 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1869 capab
->extended_capabilities_len
,
1870 capab
->extended_capabilities_mask
))
1871 goto nla_put_failure
;
1873 nla_nest_end(msg
, nested_ext_capab
);
1877 nla_nest_end(msg
, nested
);
1878 if (i
< rdev
->wiphy
.num_iftype_ext_capab
) {
1879 state
->capa_start
= i
+ 1;
1885 state
->split_start
= 0;
1889 genlmsg_end(msg
, hdr
);
1893 genlmsg_cancel(msg
, hdr
);
1897 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1898 struct netlink_callback
*cb
,
1899 struct nl80211_dump_wiphy_state
*state
)
1901 struct nlattr
**tb
= genl_family_attrbuf(&nl80211_fam
);
1902 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1903 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1904 /* ignore parse errors for backward compatibility */
1908 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1909 if (tb
[NL80211_ATTR_WIPHY
])
1910 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1911 if (tb
[NL80211_ATTR_WDEV
])
1912 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1913 if (tb
[NL80211_ATTR_IFINDEX
]) {
1914 struct net_device
*netdev
;
1915 struct cfg80211_registered_device
*rdev
;
1916 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1918 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1921 if (netdev
->ieee80211_ptr
) {
1922 rdev
= wiphy_to_rdev(
1923 netdev
->ieee80211_ptr
->wiphy
);
1924 state
->filter_wiphy
= rdev
->wiphy_idx
;
1931 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1934 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1935 struct cfg80211_registered_device
*rdev
;
1939 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1944 state
->filter_wiphy
= -1;
1945 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1951 cb
->args
[0] = (long)state
;
1954 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1955 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1957 if (++idx
<= state
->start
)
1959 if (state
->filter_wiphy
!= -1 &&
1960 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1962 /* attempt to fit multiple wiphy data chunks into the skb */
1964 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1966 NETLINK_CB(cb
->skb
).portid
,
1968 NLM_F_MULTI
, state
);
1971 * If sending the wiphy data didn't fit (ENOBUFS
1972 * or EMSGSIZE returned), this SKB is still
1973 * empty (so it's not too big because another
1974 * wiphy dataset is already in the skb) and
1975 * we've not tried to adjust the dump allocation
1976 * yet ... then adjust the alloc size to be
1977 * bigger, and return 1 but with the empty skb.
1978 * This results in an empty message being RX'ed
1979 * in userspace, but that is ignored.
1981 * We can then retry with the larger buffer.
1983 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1984 !skb
->len
&& !state
->split
&&
1985 cb
->min_dump_alloc
< 4096) {
1986 cb
->min_dump_alloc
= 4096;
1987 state
->split_start
= 0;
1994 } while (state
->split_start
> 0);
2004 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
2006 kfree((void *)cb
->args
[0]);
2010 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2012 struct sk_buff
*msg
;
2013 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2014 struct nl80211_dump_wiphy_state state
= {};
2016 msg
= nlmsg_new(4096, GFP_KERNEL
);
2020 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
2021 info
->snd_portid
, info
->snd_seq
, 0,
2027 return genlmsg_reply(msg
, info
);
2030 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
2031 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
2032 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
2033 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
2034 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
2035 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
2038 static int parse_txq_params(struct nlattr
*tb
[],
2039 struct ieee80211_txq_params
*txq_params
)
2041 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
2042 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
2043 !tb
[NL80211_TXQ_ATTR_AIFS
])
2046 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
2047 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
2048 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
2049 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
2050 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
2052 if (txq_params
->ac
>= NL80211_NUM_ACS
)
2058 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
2061 * You can only set the channel explicitly for WDS interfaces,
2062 * all others have their channel managed via their respective
2063 * "establish a connection" command (connect, join, ...)
2065 * For AP/GO and mesh mode, the channel can be set with the
2066 * channel userspace API, but is only stored and passed to the
2067 * low-level driver when the AP starts or the mesh is joined.
2068 * This is for backward compatibility, userspace can also give
2069 * the channel in the start-ap or join-mesh commands instead.
2071 * Monitors are special as they are normally slaved to
2072 * whatever else is going on, so they have their own special
2073 * operation to set the monitor channel if possible.
2076 wdev
->iftype
== NL80211_IFTYPE_AP
||
2077 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
2078 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
2079 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
2082 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
2083 struct genl_info
*info
,
2084 struct cfg80211_chan_def
*chandef
)
2088 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
2091 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
2093 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
2094 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
2095 chandef
->center_freq1
= control_freq
;
2096 chandef
->center_freq2
= 0;
2098 /* Primary channel not allowed */
2099 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
2102 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
2103 enum nl80211_channel_type chantype
;
2105 chantype
= nla_get_u32(
2106 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
2109 case NL80211_CHAN_NO_HT
:
2110 case NL80211_CHAN_HT20
:
2111 case NL80211_CHAN_HT40PLUS
:
2112 case NL80211_CHAN_HT40MINUS
:
2113 cfg80211_chandef_create(chandef
, chandef
->chan
,
2119 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
2121 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
2122 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
2123 chandef
->center_freq1
=
2125 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
2126 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
2127 chandef
->center_freq2
=
2129 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
2132 if (!cfg80211_chandef_valid(chandef
))
2135 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
2136 IEEE80211_CHAN_DISABLED
))
2139 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
2140 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
2141 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
2147 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
2148 struct net_device
*dev
,
2149 struct genl_info
*info
)
2151 struct cfg80211_chan_def chandef
;
2153 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
2154 struct wireless_dev
*wdev
= NULL
;
2157 wdev
= dev
->ieee80211_ptr
;
2158 if (!nl80211_can_set_dev_channel(wdev
))
2161 iftype
= wdev
->iftype
;
2163 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2168 case NL80211_IFTYPE_AP
:
2169 case NL80211_IFTYPE_P2P_GO
:
2170 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2175 if (wdev
->beacon_interval
) {
2176 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2177 !(rdev
->wiphy
.features
&
2178 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2183 /* Only allow dynamic channel width changes */
2184 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2188 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2192 wdev
->preset_chandef
= chandef
;
2195 case NL80211_IFTYPE_MESH_POINT
:
2196 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2198 case NL80211_IFTYPE_MONITOR
:
2199 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2208 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2210 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2211 struct net_device
*netdev
= info
->user_ptr
[1];
2213 return __nl80211_set_channel(rdev
, netdev
, info
);
2216 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2218 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2219 struct net_device
*dev
= info
->user_ptr
[1];
2220 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2223 if (!info
->attrs
[NL80211_ATTR_MAC
])
2226 if (netif_running(dev
))
2229 if (!rdev
->ops
->set_wds_peer
)
2232 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2235 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2236 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2239 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2241 struct cfg80211_registered_device
*rdev
;
2242 struct net_device
*netdev
= NULL
;
2243 struct wireless_dev
*wdev
;
2244 int result
= 0, rem_txq_params
= 0;
2245 struct nlattr
*nl_txq_params
;
2247 u8 retry_short
= 0, retry_long
= 0;
2248 u32 frag_threshold
= 0, rts_threshold
= 0;
2249 u8 coverage_class
= 0;
2254 * Try to find the wiphy and netdev. Normally this
2255 * function shouldn't need the netdev, but this is
2256 * done for backward compatibility -- previously
2257 * setting the channel was done per wiphy, but now
2258 * it is per netdev. Previous userland like hostapd
2259 * also passed a netdev to set_wiphy, so that it is
2260 * possible to let that go to the right netdev!
2263 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2264 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2266 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2267 if (netdev
&& netdev
->ieee80211_ptr
)
2268 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2274 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2277 return PTR_ERR(rdev
);
2282 wdev
= netdev
->ieee80211_ptr
;
2285 * end workaround code, by now the rdev is available
2286 * and locked, and wdev may or may not be NULL.
2289 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2290 result
= cfg80211_dev_rename(
2291 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2296 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2297 struct ieee80211_txq_params txq_params
;
2298 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2300 if (!rdev
->ops
->set_txq_params
)
2306 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2307 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2310 if (!netif_running(netdev
))
2313 nla_for_each_nested(nl_txq_params
,
2314 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2316 result
= nla_parse_nested(tb
, NL80211_TXQ_ATTR_MAX
,
2321 result
= parse_txq_params(tb
, &txq_params
);
2325 result
= rdev_set_txq_params(rdev
, netdev
,
2332 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2333 result
= __nl80211_set_channel(
2335 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2341 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2342 struct wireless_dev
*txp_wdev
= wdev
;
2343 enum nl80211_tx_power_setting type
;
2346 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2349 if (!rdev
->ops
->set_tx_power
)
2352 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2353 type
= nla_get_u32(info
->attrs
[idx
]);
2355 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2356 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2359 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2360 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2361 mbm
= nla_get_u32(info
->attrs
[idx
]);
2364 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2369 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2370 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2373 if ((!rdev
->wiphy
.available_antennas_tx
&&
2374 !rdev
->wiphy
.available_antennas_rx
) ||
2375 !rdev
->ops
->set_antenna
)
2378 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2379 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2381 /* reject antenna configurations which don't match the
2382 * available antenna masks, except for the "all" mask */
2383 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2384 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2387 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2388 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2390 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2397 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2398 retry_short
= nla_get_u8(
2399 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2400 if (retry_short
== 0)
2403 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2406 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2407 retry_long
= nla_get_u8(
2408 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2409 if (retry_long
== 0)
2412 changed
|= WIPHY_PARAM_RETRY_LONG
;
2415 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2416 frag_threshold
= nla_get_u32(
2417 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2418 if (frag_threshold
< 256)
2421 if (frag_threshold
!= (u32
) -1) {
2423 * Fragments (apart from the last one) are required to
2424 * have even length. Make the fragmentation code
2425 * simpler by stripping LSB should someone try to use
2426 * odd threshold value.
2428 frag_threshold
&= ~0x1;
2430 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2433 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2434 rts_threshold
= nla_get_u32(
2435 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2436 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2439 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2440 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2443 coverage_class
= nla_get_u8(
2444 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2445 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2448 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2449 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2452 changed
|= WIPHY_PARAM_DYN_ACK
;
2456 u8 old_retry_short
, old_retry_long
;
2457 u32 old_frag_threshold
, old_rts_threshold
;
2458 u8 old_coverage_class
;
2460 if (!rdev
->ops
->set_wiphy_params
)
2463 old_retry_short
= rdev
->wiphy
.retry_short
;
2464 old_retry_long
= rdev
->wiphy
.retry_long
;
2465 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2466 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2467 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2469 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2470 rdev
->wiphy
.retry_short
= retry_short
;
2471 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2472 rdev
->wiphy
.retry_long
= retry_long
;
2473 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2474 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2475 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2476 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2477 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2478 rdev
->wiphy
.coverage_class
= coverage_class
;
2480 result
= rdev_set_wiphy_params(rdev
, changed
);
2482 rdev
->wiphy
.retry_short
= old_retry_short
;
2483 rdev
->wiphy
.retry_long
= old_retry_long
;
2484 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2485 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2486 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2493 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2495 return (u64
)wdev
->identifier
|
2496 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2499 static int nl80211_send_chandef(struct sk_buff
*msg
,
2500 const struct cfg80211_chan_def
*chandef
)
2502 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2505 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2506 chandef
->chan
->center_freq
))
2508 switch (chandef
->width
) {
2509 case NL80211_CHAN_WIDTH_20_NOHT
:
2510 case NL80211_CHAN_WIDTH_20
:
2511 case NL80211_CHAN_WIDTH_40
:
2512 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2513 cfg80211_get_chandef_type(chandef
)))
2519 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2521 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2523 if (chandef
->center_freq2
&&
2524 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2529 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2530 struct cfg80211_registered_device
*rdev
,
2531 struct wireless_dev
*wdev
, bool removal
)
2533 struct net_device
*dev
= wdev
->netdev
;
2534 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2538 cmd
= NL80211_CMD_DEL_INTERFACE
;
2540 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2545 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2546 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2547 goto nla_put_failure
;
2549 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2550 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2551 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
2552 NL80211_ATTR_PAD
) ||
2553 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2554 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2555 rdev
->devlist_generation
^
2556 (cfg80211_rdev_list_generation
<< 2)))
2557 goto nla_put_failure
;
2559 if (rdev
->ops
->get_channel
) {
2561 struct cfg80211_chan_def chandef
;
2563 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2565 if (nl80211_send_chandef(msg
, &chandef
))
2566 goto nla_put_failure
;
2570 if (rdev
->ops
->get_tx_power
) {
2573 ret
= rdev_get_tx_power(rdev
, wdev
, &dbm
);
2575 nla_put_u32(msg
, NL80211_ATTR_WIPHY_TX_POWER_LEVEL
,
2577 goto nla_put_failure
;
2580 if (wdev
->ssid_len
) {
2581 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2582 goto nla_put_failure
;
2585 genlmsg_end(msg
, hdr
);
2589 genlmsg_cancel(msg
, hdr
);
2593 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2597 int wp_start
= cb
->args
[0];
2598 int if_start
= cb
->args
[1];
2599 int filter_wiphy
= -1;
2600 struct cfg80211_registered_device
*rdev
;
2601 struct wireless_dev
*wdev
;
2605 struct nl80211_dump_wiphy_state state
= {
2610 ret
= nl80211_dump_wiphy_parse(skb
, cb
, &state
);
2614 filter_wiphy
= state
.filter_wiphy
;
2617 * if filtering, set cb->args[2] to +1 since 0 is the default
2618 * value needed to determine that parsing is necessary.
2620 if (filter_wiphy
>= 0)
2621 cb
->args
[2] = filter_wiphy
+ 1;
2624 } else if (cb
->args
[2] > 0) {
2625 filter_wiphy
= cb
->args
[2] - 1;
2628 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2629 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2631 if (wp_idx
< wp_start
) {
2636 if (filter_wiphy
>= 0 && filter_wiphy
!= rdev
->wiphy_idx
)
2641 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
2642 if (if_idx
< if_start
) {
2646 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2647 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2648 rdev
, wdev
, false) < 0) {
2659 cb
->args
[0] = wp_idx
;
2660 cb
->args
[1] = if_idx
;
2665 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2667 struct sk_buff
*msg
;
2668 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2669 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2671 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2675 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2676 rdev
, wdev
, false) < 0) {
2681 return genlmsg_reply(msg
, info
);
2684 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2685 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2686 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2687 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2688 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2689 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2690 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2693 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2695 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2703 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2704 nla
, mntr_flags_policy
))
2707 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2709 *mntrflags
|= (1<<flag
);
2714 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2715 struct net_device
*netdev
, u8 use_4addr
,
2716 enum nl80211_iftype iftype
)
2719 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2725 case NL80211_IFTYPE_AP_VLAN
:
2726 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2729 case NL80211_IFTYPE_STATION
:
2730 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2740 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2742 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2743 struct vif_params params
;
2745 enum nl80211_iftype otype
, ntype
;
2746 struct net_device
*dev
= info
->user_ptr
[1];
2747 u32 _flags
, *flags
= NULL
;
2748 bool change
= false;
2750 memset(¶ms
, 0, sizeof(params
));
2752 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2754 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2755 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2758 if (ntype
> NL80211_IFTYPE_MAX
)
2762 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2763 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2765 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2767 if (netif_running(dev
))
2771 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2772 IEEE80211_MAX_MESH_ID_LEN
);
2773 wdev
->mesh_id_up_len
=
2774 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2775 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2776 wdev
->mesh_id_up_len
);
2780 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2781 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2783 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2787 params
.use_4addr
= -1;
2790 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2791 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2793 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2802 if (info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]) {
2803 const u8
*mumimo_groups
;
2804 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2806 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2810 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]);
2812 /* bits 0 and 63 are reserved and must be zero */
2813 if ((mumimo_groups
[0] & BIT(7)) ||
2814 (mumimo_groups
[VHT_MUMIMO_GROUPS_DATA_LEN
- 1] & BIT(0)))
2817 memcpy(params
.vht_mumimo_groups
, mumimo_groups
,
2818 VHT_MUMIMO_GROUPS_DATA_LEN
);
2822 if (info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]) {
2823 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2825 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2828 nla_memcpy(params
.macaddr
,
2829 info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
],
2834 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2835 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2839 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2843 if (!err
&& params
.use_4addr
!= -1)
2844 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2849 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2851 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2852 struct vif_params params
;
2853 struct wireless_dev
*wdev
;
2854 struct sk_buff
*msg
;
2856 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2859 /* to avoid failing a new interface creation due to pending removal */
2860 cfg80211_destroy_ifaces(rdev
);
2862 memset(¶ms
, 0, sizeof(params
));
2864 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2867 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2868 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2869 if (type
> NL80211_IFTYPE_MAX
)
2873 if (!rdev
->ops
->add_virtual_intf
||
2874 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2877 if ((type
== NL80211_IFTYPE_P2P_DEVICE
|| type
== NL80211_IFTYPE_NAN
||
2878 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2879 info
->attrs
[NL80211_ATTR_MAC
]) {
2880 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2882 if (!is_valid_ether_addr(params
.macaddr
))
2883 return -EADDRNOTAVAIL
;
2886 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2887 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2888 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2893 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2894 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2897 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2898 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2901 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2905 wdev
= rdev_add_virtual_intf(rdev
,
2906 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2907 NET_NAME_USER
, type
, err
? NULL
: &flags
,
2909 if (WARN_ON(!wdev
)) {
2912 } else if (IS_ERR(wdev
)) {
2914 return PTR_ERR(wdev
);
2917 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2918 wdev
->owner_nlportid
= info
->snd_portid
;
2921 case NL80211_IFTYPE_MESH_POINT
:
2922 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2925 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2926 IEEE80211_MAX_MESH_ID_LEN
);
2927 wdev
->mesh_id_up_len
=
2928 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2929 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2930 wdev
->mesh_id_up_len
);
2933 case NL80211_IFTYPE_NAN
:
2934 case NL80211_IFTYPE_P2P_DEVICE
:
2936 * P2P Device and NAN do not have a netdev, so don't go
2937 * through the netdev notifier and must be added here
2939 mutex_init(&wdev
->mtx
);
2940 INIT_LIST_HEAD(&wdev
->event_list
);
2941 spin_lock_init(&wdev
->event_lock
);
2942 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2943 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2945 wdev
->identifier
= ++rdev
->wdev_id
;
2946 list_add_rcu(&wdev
->list
, &rdev
->wiphy
.wdev_list
);
2947 rdev
->devlist_generation
++;
2953 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2954 rdev
, wdev
, false) < 0) {
2960 * For wdevs which have no associated netdev object (e.g. of type
2961 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
2962 * For all other types, the event will be generated from the
2966 nl80211_notify_iface(rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
);
2968 return genlmsg_reply(msg
, info
);
2971 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2973 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2974 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2976 if (!rdev
->ops
->del_virtual_intf
)
2980 * If we remove a wireless device without a netdev then clear
2981 * user_ptr[1] so that nl80211_post_doit won't dereference it
2982 * to check if it needs to do dev_put(). Otherwise it crashes
2983 * since the wdev has been freed, unlike with a netdev where
2984 * we need the dev_put() for the netdev to really be freed.
2987 info
->user_ptr
[1] = NULL
;
2989 return rdev_del_virtual_intf(rdev
, wdev
);
2992 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2994 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2995 struct net_device
*dev
= info
->user_ptr
[1];
2998 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
3001 if (!rdev
->ops
->set_noack_map
)
3004 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
3006 return rdev_set_noack_map(rdev
, dev
, noack_map
);
3009 struct get_key_cookie
{
3010 struct sk_buff
*msg
;
3015 static void get_key_callback(void *c
, struct key_params
*params
)
3018 struct get_key_cookie
*cookie
= c
;
3021 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
3022 params
->key_len
, params
->key
)) ||
3024 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
3025 params
->seq_len
, params
->seq
)) ||
3027 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
3029 goto nla_put_failure
;
3031 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
3033 goto nla_put_failure
;
3036 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
3037 params
->key_len
, params
->key
)) ||
3039 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
3040 params
->seq_len
, params
->seq
)) ||
3042 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
3044 goto nla_put_failure
;
3046 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
3047 goto nla_put_failure
;
3049 nla_nest_end(cookie
->msg
, key
);
3056 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
3058 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3060 struct net_device
*dev
= info
->user_ptr
[1];
3062 const u8
*mac_addr
= NULL
;
3064 struct get_key_cookie cookie
= {
3068 struct sk_buff
*msg
;
3070 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
3071 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
3076 if (info
->attrs
[NL80211_ATTR_MAC
])
3077 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3079 pairwise
= !!mac_addr
;
3080 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
3081 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
3083 if (kt
>= NUM_NL80211_KEYTYPES
)
3085 if (kt
!= NL80211_KEYTYPE_GROUP
&&
3086 kt
!= NL80211_KEYTYPE_PAIRWISE
)
3088 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
3091 if (!rdev
->ops
->get_key
)
3094 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3097 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3101 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3102 NL80211_CMD_NEW_KEY
);
3104 goto nla_put_failure
;
3107 cookie
.idx
= key_idx
;
3109 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3110 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3111 goto nla_put_failure
;
3113 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3114 goto nla_put_failure
;
3116 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3123 goto nla_put_failure
;
3125 genlmsg_end(msg
, hdr
);
3126 return genlmsg_reply(msg
, info
);
3135 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3137 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3138 struct key_parse key
;
3140 struct net_device
*dev
= info
->user_ptr
[1];
3142 err
= nl80211_parse_key(info
, &key
);
3149 /* only support setting default key */
3150 if (!key
.def
&& !key
.defmgmt
)
3153 wdev_lock(dev
->ieee80211_ptr
);
3156 if (!rdev
->ops
->set_default_key
) {
3161 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3165 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3166 key
.def_uni
, key
.def_multi
);
3171 #ifdef CONFIG_CFG80211_WEXT
3172 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3175 if (key
.def_uni
|| !key
.def_multi
) {
3180 if (!rdev
->ops
->set_default_mgmt_key
) {
3185 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3189 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3193 #ifdef CONFIG_CFG80211_WEXT
3194 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3199 wdev_unlock(dev
->ieee80211_ptr
);
3204 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3206 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3208 struct net_device
*dev
= info
->user_ptr
[1];
3209 struct key_parse key
;
3210 const u8
*mac_addr
= NULL
;
3212 err
= nl80211_parse_key(info
, &key
);
3219 if (info
->attrs
[NL80211_ATTR_MAC
])
3220 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3222 if (key
.type
== -1) {
3224 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3226 key
.type
= NL80211_KEYTYPE_GROUP
;
3230 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3231 key
.type
!= NL80211_KEYTYPE_GROUP
)
3234 if (!rdev
->ops
->add_key
)
3237 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3238 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3242 wdev_lock(dev
->ieee80211_ptr
);
3243 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3245 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3246 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3248 wdev_unlock(dev
->ieee80211_ptr
);
3253 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3255 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3257 struct net_device
*dev
= info
->user_ptr
[1];
3258 u8
*mac_addr
= NULL
;
3259 struct key_parse key
;
3261 err
= nl80211_parse_key(info
, &key
);
3265 if (info
->attrs
[NL80211_ATTR_MAC
])
3266 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3268 if (key
.type
== -1) {
3270 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3272 key
.type
= NL80211_KEYTYPE_GROUP
;
3276 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3277 key
.type
!= NL80211_KEYTYPE_GROUP
)
3280 if (!rdev
->ops
->del_key
)
3283 wdev_lock(dev
->ieee80211_ptr
);
3284 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3286 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3287 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3291 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3292 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3295 #ifdef CONFIG_CFG80211_WEXT
3297 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3298 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3299 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3300 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3303 wdev_unlock(dev
->ieee80211_ptr
);
3308 /* This function returns an error or the number of nested attributes */
3309 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3311 struct nlattr
*attr
;
3312 int n_entries
= 0, tmp
;
3314 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3315 if (nla_len(attr
) != ETH_ALEN
)
3325 * This function parses ACL information and allocates memory for ACL data.
3326 * On successful return, the calling function is responsible to free the
3327 * ACL buffer returned by this function.
3329 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3330 struct genl_info
*info
)
3332 enum nl80211_acl_policy acl_policy
;
3333 struct nlattr
*attr
;
3334 struct cfg80211_acl_data
*acl
;
3335 int i
= 0, n_entries
, tmp
;
3337 if (!wiphy
->max_acl_mac_addrs
)
3338 return ERR_PTR(-EOPNOTSUPP
);
3340 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3341 return ERR_PTR(-EINVAL
);
3343 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3344 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3345 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3346 return ERR_PTR(-EINVAL
);
3348 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3349 return ERR_PTR(-EINVAL
);
3351 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3353 return ERR_PTR(n_entries
);
3355 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3356 return ERR_PTR(-ENOTSUPP
);
3358 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3361 return ERR_PTR(-ENOMEM
);
3363 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3364 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3368 acl
->n_acl_entries
= n_entries
;
3369 acl
->acl_policy
= acl_policy
;
3374 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3376 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3377 struct net_device
*dev
= info
->user_ptr
[1];
3378 struct cfg80211_acl_data
*acl
;
3381 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3382 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3385 if (!dev
->ieee80211_ptr
->beacon_interval
)
3388 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3390 return PTR_ERR(acl
);
3392 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3399 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
3400 u8
*rates
, u8 rates_len
)
3405 for (i
= 0; i
< rates_len
; i
++) {
3406 int rate
= (rates
[i
] & 0x7f) * 5;
3409 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
3410 struct ieee80211_rate
*srate
=
3411 &sband
->bitrates
[ridx
];
3412 if (rate
== srate
->bitrate
) {
3417 if (ridx
== sband
->n_bitrates
)
3418 return 0; /* rate not found */
3424 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
3425 u8
*rates
, u8 rates_len
,
3426 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
3430 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3432 for (i
= 0; i
< rates_len
; i
++) {
3435 ridx
= rates
[i
] / 8;
3436 rbit
= BIT(rates
[i
] % 8);
3438 /* check validity */
3439 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
3442 /* check availability */
3443 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
3452 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
3456 switch (vht_mcs_map
) {
3457 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
3459 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
3462 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
3465 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
3475 static void vht_build_mcs_mask(u16 vht_mcs_map
,
3476 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
3480 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
3481 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
3486 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
3487 struct nl80211_txrate_vht
*txrate
,
3488 u16 mcs
[NL80211_VHT_NSS_MAX
])
3490 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3491 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
3494 if (!sband
->vht_cap
.vht_supported
)
3497 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
3499 /* Build vht_mcs_mask from VHT capabilities */
3500 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
3502 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3503 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
3504 mcs
[i
] = txrate
->mcs
[i
];
3512 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
3513 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
3514 .len
= NL80211_MAX_SUPP_RATES
},
3515 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
3516 .len
= NL80211_MAX_SUPP_HT_RATES
},
3517 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
3518 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
3521 static int nl80211_parse_tx_bitrate_mask(struct genl_info
*info
,
3522 struct cfg80211_bitrate_mask
*mask
)
3524 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
3525 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3527 struct nlattr
*tx_rates
;
3528 struct ieee80211_supported_band
*sband
;
3531 memset(mask
, 0, sizeof(*mask
));
3532 /* Default to all rates enabled */
3533 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
3534 sband
= rdev
->wiphy
.bands
[i
];
3539 mask
->control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
3540 memcpy(mask
->control
[i
].ht_mcs
,
3541 sband
->ht_cap
.mcs
.rx_mask
,
3542 sizeof(mask
->control
[i
].ht_mcs
));
3544 if (!sband
->vht_cap
.vht_supported
)
3547 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3548 vht_build_mcs_mask(vht_tx_mcs_map
, mask
->control
[i
].vht_mcs
);
3551 /* if no rates are given set it back to the defaults */
3552 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
3555 /* The nested attribute uses enum nl80211_band as the index. This maps
3556 * directly to the enum nl80211_band values used in cfg80211.
3558 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
3559 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
3560 enum nl80211_band band
= nla_type(tx_rates
);
3563 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
3565 sband
= rdev
->wiphy
.bands
[band
];
3568 err
= nla_parse_nested(tb
, NL80211_TXRATE_MAX
, tx_rates
,
3569 nl80211_txattr_policy
);
3572 if (tb
[NL80211_TXRATE_LEGACY
]) {
3573 mask
->control
[band
].legacy
= rateset_to_mask(
3575 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
3576 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
3577 if ((mask
->control
[band
].legacy
== 0) &&
3578 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
3581 if (tb
[NL80211_TXRATE_HT
]) {
3582 if (!ht_rateset_to_mask(
3584 nla_data(tb
[NL80211_TXRATE_HT
]),
3585 nla_len(tb
[NL80211_TXRATE_HT
]),
3586 mask
->control
[band
].ht_mcs
))
3589 if (tb
[NL80211_TXRATE_VHT
]) {
3590 if (!vht_set_mcs_mask(
3592 nla_data(tb
[NL80211_TXRATE_VHT
]),
3593 mask
->control
[band
].vht_mcs
))
3596 if (tb
[NL80211_TXRATE_GI
]) {
3597 mask
->control
[band
].gi
=
3598 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
3599 if (mask
->control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
3603 if (mask
->control
[band
].legacy
== 0) {
3604 /* don't allow empty legacy rates if HT or VHT
3605 * are not even supported.
3607 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
3608 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
3611 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
3612 if (mask
->control
[band
].ht_mcs
[i
])
3615 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
3616 if (mask
->control
[band
].vht_mcs
[i
])
3619 /* legacy and mcs rates may not be both empty */
3628 static int validate_beacon_tx_rate(struct cfg80211_registered_device
*rdev
,
3629 enum nl80211_band band
,
3630 struct cfg80211_bitrate_mask
*beacon_rate
)
3632 u32 count_ht
, count_vht
, i
;
3633 u32 rate
= beacon_rate
->control
[band
].legacy
;
3635 /* Allow only one rate */
3636 if (hweight32(rate
) > 1)
3640 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
3641 if (hweight8(beacon_rate
->control
[band
].ht_mcs
[i
]) > 1) {
3643 } else if (beacon_rate
->control
[band
].ht_mcs
[i
]) {
3648 if (count_ht
&& rate
)
3653 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3654 if (hweight16(beacon_rate
->control
[band
].vht_mcs
[i
]) > 1) {
3656 } else if (beacon_rate
->control
[band
].vht_mcs
[i
]) {
3661 if (count_vht
&& rate
)
3665 if ((count_ht
&& count_vht
) || (!rate
&& !count_ht
&& !count_vht
))
3669 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3670 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY
))
3673 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3674 NL80211_EXT_FEATURE_BEACON_RATE_HT
))
3677 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3678 NL80211_EXT_FEATURE_BEACON_RATE_VHT
))
3684 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3685 struct cfg80211_beacon_data
*bcn
)
3687 bool haveinfo
= false;
3689 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3690 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3691 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3692 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3695 memset(bcn
, 0, sizeof(*bcn
));
3697 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3698 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3699 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3705 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3706 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3707 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3714 if (attrs
[NL80211_ATTR_IE
]) {
3715 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3716 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3719 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3720 bcn
->proberesp_ies
=
3721 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3722 bcn
->proberesp_ies_len
=
3723 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3726 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3727 bcn
->assocresp_ies
=
3728 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3729 bcn
->assocresp_ies_len
=
3730 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3733 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3734 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3735 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3741 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3742 struct cfg80211_ap_settings
*params
)
3744 struct wireless_dev
*wdev
;
3747 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3748 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3749 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3752 if (!wdev
->preset_chandef
.chan
)
3755 params
->chandef
= wdev
->preset_chandef
;
3763 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3764 enum nl80211_auth_type auth_type
,
3765 enum nl80211_commands cmd
)
3767 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3771 case NL80211_CMD_AUTHENTICATE
:
3772 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3773 auth_type
== NL80211_AUTHTYPE_SAE
)
3775 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
3776 NL80211_EXT_FEATURE_FILS_STA
) &&
3777 (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3778 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3779 auth_type
== NL80211_AUTHTYPE_FILS_PK
))
3782 case NL80211_CMD_CONNECT
:
3783 case NL80211_CMD_START_AP
:
3784 /* SAE not supported yet */
3785 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3787 /* FILS not supported yet */
3788 if (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3789 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3790 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3798 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3800 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3801 struct net_device
*dev
= info
->user_ptr
[1];
3802 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3803 struct cfg80211_ap_settings params
;
3806 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3807 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3810 if (!rdev
->ops
->start_ap
)
3813 if (wdev
->beacon_interval
)
3816 memset(¶ms
, 0, sizeof(params
));
3818 /* these are required for START_AP */
3819 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3820 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3821 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3824 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3828 params
.beacon_interval
=
3829 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3830 params
.dtim_period
=
3831 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3833 err
= cfg80211_validate_beacon_int(rdev
, dev
->ieee80211_ptr
->iftype
,
3834 params
.beacon_interval
);
3839 * In theory, some of these attributes should be required here
3840 * but since they were not used when the command was originally
3841 * added, keep them optional for old user space programs to let
3842 * them continue to work with drivers that do not need the
3843 * additional information -- drivers must check!
3845 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3846 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3848 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3849 if (params
.ssid_len
== 0 ||
3850 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3854 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3855 params
.hidden_ssid
= nla_get_u32(
3856 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3857 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3858 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3859 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3863 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3865 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3866 params
.auth_type
= nla_get_u32(
3867 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3868 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3869 NL80211_CMD_START_AP
))
3872 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3874 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3875 NL80211_MAX_NR_CIPHER_SUITES
);
3879 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3880 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3882 params
.inactivity_timeout
= nla_get_u16(
3883 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3886 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3887 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3889 params
.p2p_ctwindow
=
3890 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3891 if (params
.p2p_ctwindow
> 127)
3893 if (params
.p2p_ctwindow
!= 0 &&
3894 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3898 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3901 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3903 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3906 params
.p2p_opp_ps
= tmp
;
3907 if (params
.p2p_opp_ps
!= 0 &&
3908 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3912 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3913 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3916 } else if (wdev
->preset_chandef
.chan
) {
3917 params
.chandef
= wdev
->preset_chandef
;
3918 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3921 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
3925 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
3926 err
= nl80211_parse_tx_bitrate_mask(info
, ¶ms
.beacon_rate
);
3930 err
= validate_beacon_tx_rate(rdev
, params
.chandef
.chan
->band
,
3931 ¶ms
.beacon_rate
);
3936 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3938 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3939 switch (params
.smps_mode
) {
3940 case NL80211_SMPS_OFF
:
3942 case NL80211_SMPS_STATIC
:
3943 if (!(rdev
->wiphy
.features
&
3944 NL80211_FEATURE_STATIC_SMPS
))
3947 case NL80211_SMPS_DYNAMIC
:
3948 if (!(rdev
->wiphy
.features
&
3949 NL80211_FEATURE_DYNAMIC_SMPS
))
3956 params
.smps_mode
= NL80211_SMPS_OFF
;
3959 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
3960 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
3963 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3964 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3965 if (IS_ERR(params
.acl
))
3966 return PTR_ERR(params
.acl
);
3970 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3972 wdev
->preset_chandef
= params
.chandef
;
3973 wdev
->beacon_interval
= params
.beacon_interval
;
3974 wdev
->chandef
= params
.chandef
;
3975 wdev
->ssid_len
= params
.ssid_len
;
3976 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3985 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3987 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3988 struct net_device
*dev
= info
->user_ptr
[1];
3989 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3990 struct cfg80211_beacon_data params
;
3993 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3994 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3997 if (!rdev
->ops
->change_beacon
)
4000 if (!wdev
->beacon_interval
)
4003 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
4008 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
4014 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
4016 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4017 struct net_device
*dev
= info
->user_ptr
[1];
4019 return cfg80211_stop_ap(rdev
, dev
, false);
4022 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
4023 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
4024 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
4025 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
4026 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
4027 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
4028 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
4031 static int parse_station_flags(struct genl_info
*info
,
4032 enum nl80211_iftype iftype
,
4033 struct station_parameters
*params
)
4035 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
4040 * Try parsing the new attribute first so userspace
4041 * can specify both for older kernels.
4043 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
4045 struct nl80211_sta_flag_update
*sta_flags
;
4047 sta_flags
= nla_data(nla
);
4048 params
->sta_flags_mask
= sta_flags
->mask
;
4049 params
->sta_flags_set
= sta_flags
->set
;
4050 params
->sta_flags_set
&= params
->sta_flags_mask
;
4051 if ((params
->sta_flags_mask
|
4052 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
4057 /* if present, parse the old attribute */
4059 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
4063 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
4064 nla
, sta_flags_policy
))
4068 * Only allow certain flags for interface types so that
4069 * other attributes are silently ignored. Remember that
4070 * this is backward compatibility code with old userspace
4071 * and shouldn't be hit in other cases anyway.
4074 case NL80211_IFTYPE_AP
:
4075 case NL80211_IFTYPE_AP_VLAN
:
4076 case NL80211_IFTYPE_P2P_GO
:
4077 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4078 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4079 BIT(NL80211_STA_FLAG_WME
) |
4080 BIT(NL80211_STA_FLAG_MFP
);
4082 case NL80211_IFTYPE_P2P_CLIENT
:
4083 case NL80211_IFTYPE_STATION
:
4084 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4085 BIT(NL80211_STA_FLAG_TDLS_PEER
);
4087 case NL80211_IFTYPE_MESH_POINT
:
4088 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4089 BIT(NL80211_STA_FLAG_MFP
) |
4090 BIT(NL80211_STA_FLAG_AUTHORIZED
);
4095 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
4097 params
->sta_flags_set
|= (1<<flag
);
4099 /* no longer support new API additions in old API */
4100 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
4108 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
4111 struct nlattr
*rate
;
4114 enum nl80211_attrs rate_flg
;
4116 rate
= nla_nest_start(msg
, attr
);
4120 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4121 bitrate
= cfg80211_calculate_bitrate(info
);
4122 /* report 16-bit bitrate only if we can */
4123 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
4125 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
4127 if (bitrate_compat
> 0 &&
4128 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
4132 case RATE_INFO_BW_5
:
4133 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
4135 case RATE_INFO_BW_10
:
4136 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
4141 case RATE_INFO_BW_20
:
4144 case RATE_INFO_BW_40
:
4145 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
4147 case RATE_INFO_BW_80
:
4148 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
4150 case RATE_INFO_BW_160
:
4151 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
4155 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
4158 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
4159 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
4161 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4162 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4164 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
4165 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
4167 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
4169 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4170 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4174 nla_nest_end(msg
, rate
);
4178 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
4187 attr
= nla_nest_start(msg
, id
);
4191 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
4192 if (!(mask
& BIT(i
)))
4195 if (nla_put_u8(msg
, i
, signal
[i
]))
4199 nla_nest_end(msg
, attr
);
4204 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
4206 struct cfg80211_registered_device
*rdev
,
4207 struct net_device
*dev
,
4208 const u8
*mac_addr
, struct station_info
*sinfo
)
4211 struct nlattr
*sinfoattr
, *bss_param
;
4213 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
4217 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4218 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
4219 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
4220 goto nla_put_failure
;
4222 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
4224 goto nla_put_failure
;
4226 #define PUT_SINFO(attr, memb, type) do { \
4227 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4228 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4229 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4231 goto nla_put_failure; \
4233 #define PUT_SINFO_U64(attr, memb) do { \
4234 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4235 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4236 sinfo->memb, NL80211_STA_INFO_PAD)) \
4237 goto nla_put_failure; \
4240 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
4241 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
4243 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
4244 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
4245 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
4246 (u32
)sinfo
->rx_bytes
))
4247 goto nla_put_failure
;
4249 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
4250 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
4251 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
4252 (u32
)sinfo
->tx_bytes
))
4253 goto nla_put_failure
;
4255 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
4256 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
4257 PUT_SINFO(LLID
, llid
, u16
);
4258 PUT_SINFO(PLID
, plid
, u16
);
4259 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
4260 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
4262 switch (rdev
->wiphy
.signal_type
) {
4263 case CFG80211_SIGNAL_TYPE_MBM
:
4264 PUT_SINFO(SIGNAL
, signal
, u8
);
4265 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
4270 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
4271 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4272 sinfo
->chain_signal
,
4273 NL80211_STA_INFO_CHAIN_SIGNAL
))
4274 goto nla_put_failure
;
4276 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
4277 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4278 sinfo
->chain_signal_avg
,
4279 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
4280 goto nla_put_failure
;
4282 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
4283 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
4284 NL80211_STA_INFO_TX_BITRATE
))
4285 goto nla_put_failure
;
4287 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
4288 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
4289 NL80211_STA_INFO_RX_BITRATE
))
4290 goto nla_put_failure
;
4293 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
4294 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
4295 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
4296 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
4297 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
4298 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
4299 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
4300 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
4301 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
4303 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
4304 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
4306 goto nla_put_failure
;
4308 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
4309 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
4310 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
4311 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
4312 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
4313 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
4314 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
4315 sinfo
->bss_param
.dtim_period
) ||
4316 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
4317 sinfo
->bss_param
.beacon_interval
))
4318 goto nla_put_failure
;
4320 nla_nest_end(msg
, bss_param
);
4322 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
4323 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
4324 sizeof(struct nl80211_sta_flag_update
),
4326 goto nla_put_failure
;
4328 PUT_SINFO_U64(T_OFFSET
, t_offset
);
4329 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
4330 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
4331 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
4334 #undef PUT_SINFO_U64
4336 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
4337 struct nlattr
*tidsattr
;
4340 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
4342 goto nla_put_failure
;
4344 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
4345 struct cfg80211_tid_stats
*tidstats
;
4346 struct nlattr
*tidattr
;
4348 tidstats
= &sinfo
->pertid
[tid
];
4350 if (!tidstats
->filled
)
4353 tidattr
= nla_nest_start(msg
, tid
+ 1);
4355 goto nla_put_failure
;
4357 #define PUT_TIDVAL_U64(attr, memb) do { \
4358 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4359 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4360 tidstats->memb, NL80211_TID_STATS_PAD)) \
4361 goto nla_put_failure; \
4364 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
4365 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
4366 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
4367 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
4369 #undef PUT_TIDVAL_U64
4370 nla_nest_end(msg
, tidattr
);
4373 nla_nest_end(msg
, tidsattr
);
4376 nla_nest_end(msg
, sinfoattr
);
4378 if (sinfo
->assoc_req_ies_len
&&
4379 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
4380 sinfo
->assoc_req_ies
))
4381 goto nla_put_failure
;
4383 genlmsg_end(msg
, hdr
);
4387 genlmsg_cancel(msg
, hdr
);
4391 static int nl80211_dump_station(struct sk_buff
*skb
,
4392 struct netlink_callback
*cb
)
4394 struct station_info sinfo
;
4395 struct cfg80211_registered_device
*rdev
;
4396 struct wireless_dev
*wdev
;
4397 u8 mac_addr
[ETH_ALEN
];
4398 int sta_idx
= cb
->args
[2];
4401 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4405 if (!wdev
->netdev
) {
4410 if (!rdev
->ops
->dump_station
) {
4416 memset(&sinfo
, 0, sizeof(sinfo
));
4417 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
4424 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
4425 NETLINK_CB(cb
->skb
).portid
,
4426 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4427 rdev
, wdev
->netdev
, mac_addr
,
4435 cb
->args
[2] = sta_idx
;
4438 nl80211_finish_wdev_dump(rdev
);
4443 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
4445 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4446 struct net_device
*dev
= info
->user_ptr
[1];
4447 struct station_info sinfo
;
4448 struct sk_buff
*msg
;
4449 u8
*mac_addr
= NULL
;
4452 memset(&sinfo
, 0, sizeof(sinfo
));
4454 if (!info
->attrs
[NL80211_ATTR_MAC
])
4457 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4459 if (!rdev
->ops
->get_station
)
4462 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
4466 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4470 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4471 info
->snd_portid
, info
->snd_seq
, 0,
4472 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4477 return genlmsg_reply(msg
, info
);
4480 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4481 struct station_parameters
*params
,
4482 enum cfg80211_station_type statype
)
4484 if (params
->listen_interval
!= -1 &&
4485 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4488 if (params
->support_p2p_ps
!= -1 &&
4489 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4493 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4494 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4497 /* When you run into this, adjust the code below for the new flag */
4498 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4501 case CFG80211_STA_MESH_PEER_KERNEL
:
4502 case CFG80211_STA_MESH_PEER_USER
:
4504 * No ignoring the TDLS flag here -- the userspace mesh
4505 * code doesn't have the bug of including TDLS in the
4508 if (params
->sta_flags_mask
&
4509 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4510 BIT(NL80211_STA_FLAG_MFP
) |
4511 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4514 case CFG80211_STA_TDLS_PEER_SETUP
:
4515 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4516 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4518 /* ignore since it can't change */
4519 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4522 /* disallow mesh-specific things */
4523 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4525 if (params
->local_pm
)
4527 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4531 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4532 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4533 /* TDLS can't be set, ... */
4534 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4537 * ... but don't bother the driver with it. This works around
4538 * a hostapd/wpa_supplicant issue -- it always includes the
4539 * TLDS_PEER flag in the mask even for AP mode.
4541 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4544 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4545 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4546 /* reject other things that can't change */
4547 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4549 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4551 if (params
->supported_rates
)
4553 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4557 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4558 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4564 case CFG80211_STA_AP_MLME_CLIENT
:
4565 /* Use this only for authorizing/unauthorizing a station */
4566 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4569 case CFG80211_STA_AP_CLIENT
:
4570 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4571 /* accept only the listed bits */
4572 if (params
->sta_flags_mask
&
4573 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4574 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4575 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4576 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4577 BIT(NL80211_STA_FLAG_WME
) |
4578 BIT(NL80211_STA_FLAG_MFP
)))
4581 /* but authenticated/associated only if driver handles it */
4582 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4583 params
->sta_flags_mask
&
4584 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4585 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4588 case CFG80211_STA_IBSS
:
4589 case CFG80211_STA_AP_STA
:
4590 /* reject any changes other than AUTHORIZED */
4591 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4594 case CFG80211_STA_TDLS_PEER_SETUP
:
4595 /* reject any changes other than AUTHORIZED or WME */
4596 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4597 BIT(NL80211_STA_FLAG_WME
)))
4599 /* force (at least) rates when authorizing */
4600 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4601 !params
->supported_rates
)
4604 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4605 /* reject any changes */
4607 case CFG80211_STA_MESH_PEER_KERNEL
:
4608 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4611 case CFG80211_STA_MESH_PEER_USER
:
4612 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4613 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4620 EXPORT_SYMBOL(cfg80211_check_station_change
);
4623 * Get vlan interface making sure it is running and on the right wiphy.
4625 static struct net_device
*get_vlan(struct genl_info
*info
,
4626 struct cfg80211_registered_device
*rdev
)
4628 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4629 struct net_device
*v
;
4635 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4637 return ERR_PTR(-ENODEV
);
4639 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4644 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4645 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4646 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4651 if (!netif_running(v
)) {
4659 return ERR_PTR(ret
);
4662 static const struct nla_policy
4663 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4664 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4665 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4668 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4669 struct station_parameters
*params
)
4671 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4675 /* parse WME attributes if present */
4676 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4679 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4680 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4681 nl80211_sta_wme_policy
);
4685 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4686 params
->uapsd_queues
= nla_get_u8(
4687 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4688 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4691 if (tb
[NL80211_STA_WME_MAX_SP
])
4692 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4694 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4697 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4702 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4703 struct station_parameters
*params
)
4705 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4706 params
->supported_channels
=
4707 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4708 params
->supported_channels_len
=
4709 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4711 * Need to include at least one (first channel, number of
4712 * channels) tuple for each subband, and must have proper
4713 * tuples for the rest of the data as well.
4715 if (params
->supported_channels_len
< 2)
4717 if (params
->supported_channels_len
% 2)
4721 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4722 params
->supported_oper_classes
=
4723 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4724 params
->supported_oper_classes_len
=
4725 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4727 * The value of the Length field of the Supported Operating
4728 * Classes element is between 2 and 253.
4730 if (params
->supported_oper_classes_len
< 2 ||
4731 params
->supported_oper_classes_len
> 253)
4737 static int nl80211_set_station_tdls(struct genl_info
*info
,
4738 struct station_parameters
*params
)
4741 /* Dummy STA entry gets updated once the peer capabilities are known */
4742 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4743 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4744 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4746 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4747 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4749 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4751 err
= nl80211_parse_sta_channel_info(info
, params
);
4755 return nl80211_parse_sta_wme(info
, params
);
4758 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4760 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4761 struct net_device
*dev
= info
->user_ptr
[1];
4762 struct station_parameters params
;
4766 memset(¶ms
, 0, sizeof(params
));
4768 if (!rdev
->ops
->change_station
)
4772 * AID and listen_interval properties can be set only for unassociated
4773 * station. Include these parameters here and will check them in
4774 * cfg80211_check_station_change().
4776 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4777 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4779 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4780 params
.listen_interval
=
4781 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4783 params
.listen_interval
= -1;
4785 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4788 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4789 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4792 params
.support_p2p_ps
= tmp
;
4794 params
.support_p2p_ps
= -1;
4797 if (!info
->attrs
[NL80211_ATTR_MAC
])
4800 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4802 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4803 params
.supported_rates
=
4804 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4805 params
.supported_rates_len
=
4806 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4809 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4811 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4812 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4815 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4817 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4818 params
.ext_capab_len
=
4819 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4822 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4825 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4826 params
.plink_action
=
4827 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4828 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4832 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4833 params
.plink_state
=
4834 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4835 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4837 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]) {
4838 params
.peer_aid
= nla_get_u16(
4839 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
4840 if (params
.peer_aid
> IEEE80211_MAX_AID
)
4843 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4846 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4847 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4848 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4850 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4851 pm
> NL80211_MESH_POWER_MAX
)
4854 params
.local_pm
= pm
;
4857 /* Include parameters for TDLS peer (will check later) */
4858 err
= nl80211_set_station_tdls(info
, ¶ms
);
4862 params
.vlan
= get_vlan(info
, rdev
);
4863 if (IS_ERR(params
.vlan
))
4864 return PTR_ERR(params
.vlan
);
4866 switch (dev
->ieee80211_ptr
->iftype
) {
4867 case NL80211_IFTYPE_AP
:
4868 case NL80211_IFTYPE_AP_VLAN
:
4869 case NL80211_IFTYPE_P2P_GO
:
4870 case NL80211_IFTYPE_P2P_CLIENT
:
4871 case NL80211_IFTYPE_STATION
:
4872 case NL80211_IFTYPE_ADHOC
:
4873 case NL80211_IFTYPE_MESH_POINT
:
4880 /* driver will call cfg80211_check_station_change() */
4881 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4885 dev_put(params
.vlan
);
4890 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4892 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4894 struct net_device
*dev
= info
->user_ptr
[1];
4895 struct station_parameters params
;
4896 u8
*mac_addr
= NULL
;
4897 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4898 BIT(NL80211_STA_FLAG_ASSOCIATED
);
4900 memset(¶ms
, 0, sizeof(params
));
4902 if (!rdev
->ops
->add_station
)
4905 if (!info
->attrs
[NL80211_ATTR_MAC
])
4908 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4911 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4914 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4915 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4918 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4919 params
.supported_rates
=
4920 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4921 params
.supported_rates_len
=
4922 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4923 params
.listen_interval
=
4924 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4926 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4929 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4930 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4933 params
.support_p2p_ps
= tmp
;
4936 * if not specified, assume it's supported for P2P GO interface,
4937 * and is NOT supported for AP interface
4939 params
.support_p2p_ps
=
4940 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
4943 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4944 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4946 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4947 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4950 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4952 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4953 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4956 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4958 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4959 params
.ext_capab_len
=
4960 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4963 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4965 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4967 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4969 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4971 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4972 params
.opmode_notif_used
= true;
4973 params
.opmode_notif
=
4974 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4977 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4978 params
.plink_action
=
4979 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4980 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4984 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4988 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4992 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4995 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
4996 * as userspace might just pass through the capabilities from the IEs
4997 * directly, rather than enforcing this restriction and returning an
4998 * error in this case.
5000 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
5001 params
.ht_capa
= NULL
;
5002 params
.vht_capa
= NULL
;
5005 /* When you run into this, adjust the code below for the new flag */
5006 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
5008 switch (dev
->ieee80211_ptr
->iftype
) {
5009 case NL80211_IFTYPE_AP
:
5010 case NL80211_IFTYPE_AP_VLAN
:
5011 case NL80211_IFTYPE_P2P_GO
:
5012 /* ignore WME attributes if iface/sta is not capable */
5013 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
5014 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
5015 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5017 /* TDLS peers cannot be added */
5018 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5019 info
->attrs
[NL80211_ATTR_PEER_AID
])
5021 /* but don't bother the driver with it */
5022 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5024 /* allow authenticated/associated only if driver handles it */
5025 if (!(rdev
->wiphy
.features
&
5026 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
5027 params
.sta_flags_mask
& auth_assoc
)
5030 /* Older userspace, or userspace wanting to be compatible with
5031 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5032 * and assoc flags in the mask, but assumes the station will be
5033 * added as associated anyway since this was the required driver
5034 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5036 * In order to not bother drivers with this quirk in the API
5037 * set the flags in both the mask and set for new stations in
5040 if (!(params
.sta_flags_mask
& auth_assoc
)) {
5041 params
.sta_flags_mask
|= auth_assoc
;
5042 params
.sta_flags_set
|= auth_assoc
;
5045 /* must be last in here for error handling */
5046 params
.vlan
= get_vlan(info
, rdev
);
5047 if (IS_ERR(params
.vlan
))
5048 return PTR_ERR(params
.vlan
);
5050 case NL80211_IFTYPE_MESH_POINT
:
5051 /* ignore uAPSD data */
5052 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5054 /* associated is disallowed */
5055 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
5057 /* TDLS peers cannot be added */
5058 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5059 info
->attrs
[NL80211_ATTR_PEER_AID
])
5062 case NL80211_IFTYPE_STATION
:
5063 case NL80211_IFTYPE_P2P_CLIENT
:
5064 /* ignore uAPSD data */
5065 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5067 /* these are disallowed */
5068 if (params
.sta_flags_mask
&
5069 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
5070 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
5072 /* Only TDLS peers can be added */
5073 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
5075 /* Can only add if TDLS ... */
5076 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
5078 /* ... with external setup is supported */
5079 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
5082 * Older wpa_supplicant versions always mark the TDLS peer
5083 * as authorized, but it shouldn't yet be.
5085 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
5091 /* be aware of params.vlan when changing code here */
5093 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
5096 dev_put(params
.vlan
);
5100 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
5102 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5103 struct net_device
*dev
= info
->user_ptr
[1];
5104 struct station_del_parameters params
;
5106 memset(¶ms
, 0, sizeof(params
));
5108 if (info
->attrs
[NL80211_ATTR_MAC
])
5109 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5111 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5112 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5113 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5114 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5117 if (!rdev
->ops
->del_station
)
5120 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
5122 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
5123 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
5124 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
5127 /* Default to Deauthentication frame */
5128 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
5131 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
5132 params
.reason_code
=
5133 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5134 if (params
.reason_code
== 0)
5135 return -EINVAL
; /* 0 is reserved */
5137 /* Default to reason code 2 */
5138 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
5141 return rdev_del_station(rdev
, dev
, ¶ms
);
5144 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5145 int flags
, struct net_device
*dev
,
5146 u8
*dst
, u8
*next_hop
,
5147 struct mpath_info
*pinfo
)
5150 struct nlattr
*pinfoattr
;
5152 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
5156 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5157 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
5158 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
5159 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
5160 goto nla_put_failure
;
5162 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
5164 goto nla_put_failure
;
5165 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
5166 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
5168 goto nla_put_failure
;
5169 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
5170 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
5171 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
5172 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
5174 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
5175 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
5177 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
5178 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
5180 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
5181 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
5182 pinfo
->discovery_timeout
)) ||
5183 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
5184 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
5185 pinfo
->discovery_retries
)))
5186 goto nla_put_failure
;
5188 nla_nest_end(msg
, pinfoattr
);
5190 genlmsg_end(msg
, hdr
);
5194 genlmsg_cancel(msg
, hdr
);
5198 static int nl80211_dump_mpath(struct sk_buff
*skb
,
5199 struct netlink_callback
*cb
)
5201 struct mpath_info pinfo
;
5202 struct cfg80211_registered_device
*rdev
;
5203 struct wireless_dev
*wdev
;
5205 u8 next_hop
[ETH_ALEN
];
5206 int path_idx
= cb
->args
[2];
5209 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5213 if (!rdev
->ops
->dump_mpath
) {
5218 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5224 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
5231 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5232 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5233 wdev
->netdev
, dst
, next_hop
,
5241 cb
->args
[2] = path_idx
;
5244 nl80211_finish_wdev_dump(rdev
);
5248 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5250 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5252 struct net_device
*dev
= info
->user_ptr
[1];
5253 struct mpath_info pinfo
;
5254 struct sk_buff
*msg
;
5256 u8 next_hop
[ETH_ALEN
];
5258 memset(&pinfo
, 0, sizeof(pinfo
));
5260 if (!info
->attrs
[NL80211_ATTR_MAC
])
5263 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5265 if (!rdev
->ops
->get_mpath
)
5268 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5271 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
5275 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5279 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5280 dev
, dst
, next_hop
, &pinfo
) < 0) {
5285 return genlmsg_reply(msg
, info
);
5288 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5290 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5291 struct net_device
*dev
= info
->user_ptr
[1];
5293 u8
*next_hop
= NULL
;
5295 if (!info
->attrs
[NL80211_ATTR_MAC
])
5298 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5301 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5302 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5304 if (!rdev
->ops
->change_mpath
)
5307 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5310 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
5313 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5315 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5316 struct net_device
*dev
= info
->user_ptr
[1];
5318 u8
*next_hop
= NULL
;
5320 if (!info
->attrs
[NL80211_ATTR_MAC
])
5323 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5326 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5327 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5329 if (!rdev
->ops
->add_mpath
)
5332 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5335 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
5338 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5340 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5341 struct net_device
*dev
= info
->user_ptr
[1];
5344 if (info
->attrs
[NL80211_ATTR_MAC
])
5345 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5347 if (!rdev
->ops
->del_mpath
)
5350 return rdev_del_mpath(rdev
, dev
, dst
);
5353 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
5355 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5357 struct net_device
*dev
= info
->user_ptr
[1];
5358 struct mpath_info pinfo
;
5359 struct sk_buff
*msg
;
5363 memset(&pinfo
, 0, sizeof(pinfo
));
5365 if (!info
->attrs
[NL80211_ATTR_MAC
])
5368 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5370 if (!rdev
->ops
->get_mpp
)
5373 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5376 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
5380 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5384 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5385 dev
, dst
, mpp
, &pinfo
) < 0) {
5390 return genlmsg_reply(msg
, info
);
5393 static int nl80211_dump_mpp(struct sk_buff
*skb
,
5394 struct netlink_callback
*cb
)
5396 struct mpath_info pinfo
;
5397 struct cfg80211_registered_device
*rdev
;
5398 struct wireless_dev
*wdev
;
5401 int path_idx
= cb
->args
[2];
5404 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5408 if (!rdev
->ops
->dump_mpp
) {
5413 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5419 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
5426 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5427 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5428 wdev
->netdev
, dst
, mpp
,
5436 cb
->args
[2] = path_idx
;
5439 nl80211_finish_wdev_dump(rdev
);
5443 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
5445 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5446 struct net_device
*dev
= info
->user_ptr
[1];
5447 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5448 struct bss_parameters params
;
5451 memset(¶ms
, 0, sizeof(params
));
5452 /* default to not changing parameters */
5453 params
.use_cts_prot
= -1;
5454 params
.use_short_preamble
= -1;
5455 params
.use_short_slot_time
= -1;
5456 params
.ap_isolate
= -1;
5457 params
.ht_opmode
= -1;
5458 params
.p2p_ctwindow
= -1;
5459 params
.p2p_opp_ps
= -1;
5461 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
5462 params
.use_cts_prot
=
5463 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
5464 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
5465 params
.use_short_preamble
=
5466 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
5467 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
5468 params
.use_short_slot_time
=
5469 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
5470 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5471 params
.basic_rates
=
5472 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5473 params
.basic_rates_len
=
5474 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5476 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5477 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5478 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5480 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5482 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5483 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5485 params
.p2p_ctwindow
=
5486 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5487 if (params
.p2p_ctwindow
< 0)
5489 if (params
.p2p_ctwindow
!= 0 &&
5490 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5494 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5497 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5499 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5502 params
.p2p_opp_ps
= tmp
;
5503 if (params
.p2p_opp_ps
&&
5504 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5508 if (!rdev
->ops
->change_bss
)
5511 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5512 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5516 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5522 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5526 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5530 * You should only get this when cfg80211 hasn't yet initialized
5531 * completely when built-in to the kernel right between the time
5532 * window between nl80211_init() and regulatory_init(), if that is
5535 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5536 return -EINPROGRESS
;
5538 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5539 user_reg_hint_type
=
5540 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5542 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5544 switch (user_reg_hint_type
) {
5545 case NL80211_USER_REG_HINT_USER
:
5546 case NL80211_USER_REG_HINT_CELL_BASE
:
5547 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5550 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5551 return regulatory_hint_user(data
, user_reg_hint_type
);
5552 case NL80211_USER_REG_HINT_INDOOR
:
5553 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5554 owner_nlportid
= info
->snd_portid
;
5555 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5561 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5567 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5568 struct genl_info
*info
)
5570 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5571 struct net_device
*dev
= info
->user_ptr
[1];
5572 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5573 struct mesh_config cur_params
;
5576 struct nlattr
*pinfoattr
;
5577 struct sk_buff
*msg
;
5579 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5582 if (!rdev
->ops
->get_mesh_config
)
5586 /* If not connected, get default parameters */
5587 if (!wdev
->mesh_id_len
)
5588 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5590 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5596 /* Draw up a netlink message to send back */
5597 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5600 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5601 NL80211_CMD_GET_MESH_CONFIG
);
5604 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5606 goto nla_put_failure
;
5607 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5608 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5609 cur_params
.dot11MeshRetryTimeout
) ||
5610 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5611 cur_params
.dot11MeshConfirmTimeout
) ||
5612 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5613 cur_params
.dot11MeshHoldingTimeout
) ||
5614 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5615 cur_params
.dot11MeshMaxPeerLinks
) ||
5616 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5617 cur_params
.dot11MeshMaxRetries
) ||
5618 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5619 cur_params
.dot11MeshTTL
) ||
5620 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5621 cur_params
.element_ttl
) ||
5622 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5623 cur_params
.auto_open_plinks
) ||
5624 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5625 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5626 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5627 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5628 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5629 cur_params
.path_refresh_time
) ||
5630 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5631 cur_params
.min_discovery_timeout
) ||
5632 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5633 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5634 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5635 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5636 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5637 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5638 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5639 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5640 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5641 cur_params
.dot11MeshHWMPRootMode
) ||
5642 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5643 cur_params
.dot11MeshHWMPRannInterval
) ||
5644 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5645 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5646 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5647 cur_params
.dot11MeshForwarding
) ||
5648 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5649 cur_params
.rssi_threshold
) ||
5650 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5651 cur_params
.ht_opmode
) ||
5652 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5653 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5654 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5655 cur_params
.dot11MeshHWMProotInterval
) ||
5656 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5657 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5658 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5659 cur_params
.power_mode
) ||
5660 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5661 cur_params
.dot11MeshAwakeWindowDuration
) ||
5662 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5663 cur_params
.plink_timeout
))
5664 goto nla_put_failure
;
5665 nla_nest_end(msg
, pinfoattr
);
5666 genlmsg_end(msg
, hdr
);
5667 return genlmsg_reply(msg
, info
);
5670 genlmsg_cancel(msg
, hdr
);
5676 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5677 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5678 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5679 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5680 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5681 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5682 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5683 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5684 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5685 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5686 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5687 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5688 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5689 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5690 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5691 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5692 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5693 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5694 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5695 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5696 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5697 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5698 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5699 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5700 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5701 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5702 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5703 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5704 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5707 static const struct nla_policy
5708 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5709 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5710 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5711 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5712 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5713 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5714 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5715 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5716 .len
= IEEE80211_MAX_DATA_LEN
},
5717 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5720 static int nl80211_check_bool(const struct nlattr
*nla
, u8 min
, u8 max
, bool *out
)
5722 u8 val
= nla_get_u8(nla
);
5723 if (val
< min
|| val
> max
)
5729 static int nl80211_check_u8(const struct nlattr
*nla
, u8 min
, u8 max
, u8
*out
)
5731 u8 val
= nla_get_u8(nla
);
5732 if (val
< min
|| val
> max
)
5738 static int nl80211_check_u16(const struct nlattr
*nla
, u16 min
, u16 max
, u16
*out
)
5740 u16 val
= nla_get_u16(nla
);
5741 if (val
< min
|| val
> max
)
5747 static int nl80211_check_u32(const struct nlattr
*nla
, u32 min
, u32 max
, u32
*out
)
5749 u32 val
= nla_get_u32(nla
);
5750 if (val
< min
|| val
> max
)
5756 static int nl80211_check_s32(const struct nlattr
*nla
, s32 min
, s32 max
, s32
*out
)
5758 s32 val
= nla_get_s32(nla
);
5759 if (val
< min
|| val
> max
)
5765 static int nl80211_check_power_mode(const struct nlattr
*nla
,
5766 enum nl80211_mesh_power_mode min
,
5767 enum nl80211_mesh_power_mode max
,
5768 enum nl80211_mesh_power_mode
*out
)
5770 u32 val
= nla_get_u32(nla
);
5771 if (val
< min
|| val
> max
)
5777 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5778 struct mesh_config
*cfg
,
5781 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5785 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5788 if (fn(tb[attr], min, max, &cfg->param)) \
5790 mask |= (1 << (attr - 1)); \
5794 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5796 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5797 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5798 nl80211_meshconf_params_policy
))
5801 /* This makes sure that there aren't more than 32 mesh config
5802 * parameters (otherwise our bitfield scheme would not work.) */
5803 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5805 /* Fill in the params struct */
5806 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5807 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5809 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5810 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5812 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5813 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5815 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5816 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5818 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5819 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5821 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5822 mask
, NL80211_MESHCONF_TTL
, nl80211_check_u8
);
5823 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5824 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5826 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5827 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5828 nl80211_check_bool
);
5829 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5831 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5833 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5834 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5836 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5837 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5839 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5840 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5842 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5844 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5846 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5848 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5850 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5852 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5854 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5855 dot11MeshHWMPnetDiameterTraversalTime
,
5857 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5859 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5860 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5862 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5863 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5865 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5866 dot11MeshGateAnnouncementProtocol
, 0, 1,
5867 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5868 nl80211_check_bool
);
5869 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5870 mask
, NL80211_MESHCONF_FORWARDING
,
5871 nl80211_check_bool
);
5872 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5873 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5876 * Check HT operation mode based on
5877 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
5879 if (tb
[NL80211_MESHCONF_HT_OPMODE
]) {
5880 ht_opmode
= nla_get_u16(tb
[NL80211_MESHCONF_HT_OPMODE
]);
5882 if (ht_opmode
& ~(IEEE80211_HT_OP_MODE_PROTECTION
|
5883 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
|
5884 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
5887 if ((ht_opmode
& IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
) &&
5888 (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
5891 switch (ht_opmode
& IEEE80211_HT_OP_MODE_PROTECTION
) {
5892 case IEEE80211_HT_OP_MODE_PROTECTION_NONE
:
5893 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
5894 if (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
)
5897 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER
:
5898 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
5899 if (!(ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
5903 cfg
->ht_opmode
= ht_opmode
;
5905 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5907 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5909 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5910 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5912 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5913 dot11MeshHWMPconfirmationInterval
,
5915 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5917 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5918 NL80211_MESH_POWER_ACTIVE
,
5919 NL80211_MESH_POWER_MAX
,
5920 mask
, NL80211_MESHCONF_POWER_MODE
,
5921 nl80211_check_power_mode
);
5922 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5924 NL80211_MESHCONF_AWAKE_WINDOW
, nl80211_check_u16
);
5925 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
5926 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5933 #undef FILL_IN_MESH_PARAM_IF_SET
5936 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5937 struct mesh_setup
*setup
)
5939 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5940 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5942 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5944 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5945 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5946 nl80211_mesh_setup_params_policy
))
5949 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5950 setup
->sync_method
=
5951 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5952 IEEE80211_SYNC_METHOD_VENDOR
:
5953 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5955 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5956 setup
->path_sel_proto
=
5957 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5958 IEEE80211_PATH_PROTOCOL_VENDOR
:
5959 IEEE80211_PATH_PROTOCOL_HWMP
;
5961 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5962 setup
->path_metric
=
5963 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5964 IEEE80211_PATH_METRIC_VENDOR
:
5965 IEEE80211_PATH_METRIC_AIRTIME
;
5967 if (tb
[NL80211_MESH_SETUP_IE
]) {
5968 struct nlattr
*ieattr
=
5969 tb
[NL80211_MESH_SETUP_IE
];
5970 if (!is_valid_ie_attr(ieattr
))
5972 setup
->ie
= nla_data(ieattr
);
5973 setup
->ie_len
= nla_len(ieattr
);
5975 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5976 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5978 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5979 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5980 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5981 if (setup
->is_secure
)
5982 setup
->user_mpm
= true;
5984 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5985 if (!setup
->user_mpm
)
5988 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5994 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5995 struct genl_info
*info
)
5997 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5998 struct net_device
*dev
= info
->user_ptr
[1];
5999 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6000 struct mesh_config cfg
;
6004 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6007 if (!rdev
->ops
->update_mesh_config
)
6010 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
6015 if (!wdev
->mesh_id_len
)
6019 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
6026 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
6027 struct sk_buff
*msg
)
6029 struct nlattr
*nl_reg_rules
;
6032 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
6033 (regdom
->dfs_region
&&
6034 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
6035 goto nla_put_failure
;
6037 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
6039 goto nla_put_failure
;
6041 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
6042 struct nlattr
*nl_reg_rule
;
6043 const struct ieee80211_reg_rule
*reg_rule
;
6044 const struct ieee80211_freq_range
*freq_range
;
6045 const struct ieee80211_power_rule
*power_rule
;
6046 unsigned int max_bandwidth_khz
;
6048 reg_rule
= ®dom
->reg_rules
[i
];
6049 freq_range
= ®_rule
->freq_range
;
6050 power_rule
= ®_rule
->power_rule
;
6052 nl_reg_rule
= nla_nest_start(msg
, i
);
6054 goto nla_put_failure
;
6056 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
6057 if (!max_bandwidth_khz
)
6058 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
6061 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
6063 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
6064 freq_range
->start_freq_khz
) ||
6065 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
6066 freq_range
->end_freq_khz
) ||
6067 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
6068 max_bandwidth_khz
) ||
6069 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
6070 power_rule
->max_antenna_gain
) ||
6071 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
6072 power_rule
->max_eirp
) ||
6073 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
6074 reg_rule
->dfs_cac_ms
))
6075 goto nla_put_failure
;
6077 nla_nest_end(msg
, nl_reg_rule
);
6080 nla_nest_end(msg
, nl_reg_rules
);
6087 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
6089 const struct ieee80211_regdomain
*regdom
= NULL
;
6090 struct cfg80211_registered_device
*rdev
;
6091 struct wiphy
*wiphy
= NULL
;
6092 struct sk_buff
*msg
;
6095 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6099 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6100 NL80211_CMD_GET_REG
);
6104 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
6107 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6110 return PTR_ERR(rdev
);
6113 wiphy
= &rdev
->wiphy
;
6114 self_managed
= wiphy
->regulatory_flags
&
6115 REGULATORY_WIPHY_SELF_MANAGED
;
6116 regdom
= get_wiphy_regdom(wiphy
);
6118 /* a self-managed-reg device must have a private regdom */
6119 if (WARN_ON(!regdom
&& self_managed
)) {
6125 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6126 goto nla_put_failure
;
6129 if (!wiphy
&& reg_last_request_cell_base() &&
6130 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6131 NL80211_USER_REG_HINT_CELL_BASE
))
6132 goto nla_put_failure
;
6137 regdom
= rcu_dereference(cfg80211_regdomain
);
6139 if (nl80211_put_regdom(regdom
, msg
))
6140 goto nla_put_failure_rcu
;
6144 genlmsg_end(msg
, hdr
);
6145 return genlmsg_reply(msg
, info
);
6147 nla_put_failure_rcu
:
6150 genlmsg_cancel(msg
, hdr
);
6156 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6157 u32 seq
, int flags
, struct wiphy
*wiphy
,
6158 const struct ieee80211_regdomain
*regdom
)
6160 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6161 NL80211_CMD_GET_REG
);
6166 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6168 if (nl80211_put_regdom(regdom
, msg
))
6169 goto nla_put_failure
;
6171 if (!wiphy
&& reg_last_request_cell_base() &&
6172 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6173 NL80211_USER_REG_HINT_CELL_BASE
))
6174 goto nla_put_failure
;
6177 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6178 goto nla_put_failure
;
6180 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
6181 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
6182 goto nla_put_failure
;
6184 genlmsg_end(msg
, hdr
);
6188 genlmsg_cancel(msg
, hdr
);
6192 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
6193 struct netlink_callback
*cb
)
6195 const struct ieee80211_regdomain
*regdom
= NULL
;
6196 struct cfg80211_registered_device
*rdev
;
6197 int err
, reg_idx
, start
= cb
->args
[2];
6201 if (cfg80211_regdomain
&& start
== 0) {
6202 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6204 rtnl_dereference(cfg80211_regdomain
));
6209 /* the global regdom is idx 0 */
6211 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
6212 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
6216 if (++reg_idx
<= start
)
6219 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6220 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
6227 cb
->args
[2] = reg_idx
;
6234 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6235 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
6236 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
6237 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
6238 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
6239 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
6240 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
6241 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
6242 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
6245 static int parse_reg_rule(struct nlattr
*tb
[],
6246 struct ieee80211_reg_rule
*reg_rule
)
6248 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
6249 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
6251 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
6253 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
6255 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
6257 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
6259 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
6262 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
6264 freq_range
->start_freq_khz
=
6265 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
6266 freq_range
->end_freq_khz
=
6267 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
6268 freq_range
->max_bandwidth_khz
=
6269 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
6271 power_rule
->max_eirp
=
6272 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
6274 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
6275 power_rule
->max_antenna_gain
=
6276 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
6278 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
6279 reg_rule
->dfs_cac_ms
=
6280 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
6285 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
6287 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
6288 struct nlattr
*nl_reg_rule
;
6290 int rem_reg_rules
, r
;
6291 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
6292 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
6293 struct ieee80211_regdomain
*rd
;
6295 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
6298 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
6301 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
6303 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
6304 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
6306 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6309 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
6313 if (!reg_is_valid_request(alpha2
))
6316 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
6317 num_rules
* sizeof(struct ieee80211_reg_rule
);
6319 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
6323 rd
->n_reg_rules
= num_rules
;
6324 rd
->alpha2
[0] = alpha2
[0];
6325 rd
->alpha2
[1] = alpha2
[1];
6328 * Disable DFS master mode if the DFS region was
6329 * not supported or known on this kernel.
6331 if (reg_supported_dfs_region(dfs_region
))
6332 rd
->dfs_region
= dfs_region
;
6334 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6336 r
= nla_parse_nested(tb
, NL80211_REG_RULE_ATTR_MAX
,
6337 nl_reg_rule
, reg_rule_policy
);
6340 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
6346 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
6352 /* set_regdom takes ownership of rd */
6353 return set_regdom(rd
, REGD_SOURCE_CRDA
);
6358 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6360 static int validate_scan_freqs(struct nlattr
*freqs
)
6362 struct nlattr
*attr1
, *attr2
;
6363 int n_channels
= 0, tmp1
, tmp2
;
6365 nla_for_each_nested(attr1
, freqs
, tmp1
) {
6368 * Some hardware has a limited channel list for
6369 * scanning, and it is pretty much nonsensical
6370 * to scan for a channel twice, so disallow that
6371 * and don't require drivers to check that the
6372 * channel list they get isn't longer than what
6373 * they can scan, as long as they can scan all
6374 * the channels they registered at once.
6376 nla_for_each_nested(attr2
, freqs
, tmp2
)
6377 if (attr1
!= attr2
&&
6378 nla_get_u32(attr1
) == nla_get_u32(attr2
))
6385 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
6387 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
6390 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
6391 struct cfg80211_bss_selection
*bss_select
)
6393 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
6394 struct nlattr
*nest
;
6399 /* only process one nested attribute */
6400 nest
= nla_data(nla
);
6401 if (!nla_ok(nest
, nla_len(nest
)))
6404 err
= nla_parse_nested(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nest
,
6405 nl80211_bss_select_policy
);
6409 /* only one attribute may be given */
6410 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
6418 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
6420 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
6421 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
6423 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
6424 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
6425 bss_select
->param
.band_pref
=
6426 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
6427 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
6431 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
6432 struct nl80211_bss_select_rssi_adjust
*adj_param
;
6434 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
6435 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
6436 bss_select
->param
.adjust
.band
= adj_param
->band
;
6437 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
6438 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
6442 /* user-space did not provide behaviour attribute */
6443 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
6446 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
6452 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
6453 u8
*mac_addr
, u8
*mac_addr_mask
)
6457 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
6458 eth_zero_addr(mac_addr
);
6459 eth_zero_addr(mac_addr_mask
);
6461 mac_addr_mask
[0] = 0x3;
6466 /* need both or none */
6467 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
6470 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
6471 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
6473 /* don't allow or configure an mcast address */
6474 if (!is_multicast_ether_addr(mac_addr_mask
) ||
6475 is_multicast_ether_addr(mac_addr
))
6479 * allow users to pass a MAC address that has bits set outside
6480 * of the mask, but don't bother drivers with having to deal
6483 for (i
= 0; i
< ETH_ALEN
; i
++)
6484 mac_addr
[i
] &= mac_addr_mask
[i
];
6489 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6491 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6492 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6493 struct cfg80211_scan_request
*request
;
6494 struct nlattr
*attr
;
6495 struct wiphy
*wiphy
;
6496 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
6499 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6502 wiphy
= &rdev
->wiphy
;
6504 if (wdev
->iftype
== NL80211_IFTYPE_NAN
)
6507 if (!rdev
->ops
->scan
)
6510 if (rdev
->scan_req
|| rdev
->scan_msg
) {
6515 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6516 n_channels
= validate_scan_freqs(
6517 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6523 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6526 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
6527 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
6530 if (n_ssids
> wiphy
->max_scan_ssids
) {
6535 if (info
->attrs
[NL80211_ATTR_IE
])
6536 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6540 if (ie_len
> wiphy
->max_scan_ie_len
) {
6545 request
= kzalloc(sizeof(*request
)
6546 + sizeof(*request
->ssids
) * n_ssids
6547 + sizeof(*request
->channels
) * n_channels
6548 + ie_len
, GFP_KERNEL
);
6555 request
->ssids
= (void *)&request
->channels
[n_channels
];
6556 request
->n_ssids
= n_ssids
;
6559 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6561 request
->ie
= (void *)(request
->channels
+ n_channels
);
6565 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6566 /* user specified, bail out if channel not found */
6567 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6568 struct ieee80211_channel
*chan
;
6570 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6577 /* ignore disabled channels */
6578 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6581 request
->channels
[i
] = chan
;
6585 enum nl80211_band band
;
6588 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6591 if (!wiphy
->bands
[band
])
6593 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6594 struct ieee80211_channel
*chan
;
6596 chan
= &wiphy
->bands
[band
]->channels
[j
];
6598 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6601 request
->channels
[i
] = chan
;
6612 request
->n_channels
= i
;
6616 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6617 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6621 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6622 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6627 if (info
->attrs
[NL80211_ATTR_IE
]) {
6628 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6629 memcpy((void *)request
->ie
,
6630 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6634 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6635 if (wiphy
->bands
[i
])
6637 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6639 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6640 nla_for_each_nested(attr
,
6641 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6643 enum nl80211_band band
= nla_type(attr
);
6645 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6650 if (!wiphy
->bands
[band
])
6653 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6656 &request
->rates
[band
]);
6662 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
6663 if (!wiphy_ext_feature_isset(wiphy
,
6664 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
6670 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
6671 request
->duration_mandatory
=
6672 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
6675 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6676 request
->flags
= nla_get_u32(
6677 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6678 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6679 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6684 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6685 if (!(wiphy
->features
&
6686 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
6691 if (wdev
->current_bss
) {
6696 err
= nl80211_parse_random_mac(info
->attrs
,
6698 request
->mac_addr_mask
);
6705 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6707 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6708 * BSSID to scan for. This was problematic because that same attribute
6709 * was already used for another purpose (local random MAC address). The
6710 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6711 * compatibility with older userspace components, also use the
6712 * NL80211_ATTR_MAC value here if it can be determined to be used for
6713 * the specific BSSID use case instead of the random MAC address
6714 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6716 if (info
->attrs
[NL80211_ATTR_BSSID
])
6717 memcpy(request
->bssid
,
6718 nla_data(info
->attrs
[NL80211_ATTR_BSSID
]), ETH_ALEN
);
6719 else if (!(request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) &&
6720 info
->attrs
[NL80211_ATTR_MAC
])
6721 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6724 eth_broadcast_addr(request
->bssid
);
6726 request
->wdev
= wdev
;
6727 request
->wiphy
= &rdev
->wiphy
;
6728 request
->scan_start
= jiffies
;
6730 rdev
->scan_req
= request
;
6731 err
= rdev_scan(rdev
, request
);
6734 nl80211_send_scan_start(rdev
, wdev
);
6736 dev_hold(wdev
->netdev
);
6739 rdev
->scan_req
= NULL
;
6747 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6749 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6750 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6752 if (!rdev
->ops
->abort_scan
)
6758 if (!rdev
->scan_req
)
6761 rdev_abort_scan(rdev
, wdev
);
6766 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
6767 struct cfg80211_sched_scan_request
*request
,
6768 struct nlattr
**attrs
)
6770 int tmp
, err
, i
= 0;
6771 struct nlattr
*attr
;
6773 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6777 * If scan plans are not specified,
6778 * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this
6779 * case one scan plan will be set with the specified scan
6780 * interval and infinite number of iterations.
6782 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6785 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
6789 request
->scan_plans
[0].interval
=
6790 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
6791 if (!request
->scan_plans
[0].interval
)
6794 if (request
->scan_plans
[0].interval
>
6795 wiphy
->max_sched_scan_plan_interval
)
6796 request
->scan_plans
[0].interval
=
6797 wiphy
->max_sched_scan_plan_interval
;
6802 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
6803 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
6805 if (WARN_ON(i
>= n_plans
))
6808 err
= nla_parse_nested(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
6809 attr
, nl80211_plan_policy
);
6813 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
6816 request
->scan_plans
[i
].interval
=
6817 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
6818 if (!request
->scan_plans
[i
].interval
||
6819 request
->scan_plans
[i
].interval
>
6820 wiphy
->max_sched_scan_plan_interval
)
6823 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
6824 request
->scan_plans
[i
].iterations
=
6825 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
6826 if (!request
->scan_plans
[i
].iterations
||
6827 (request
->scan_plans
[i
].iterations
>
6828 wiphy
->max_sched_scan_plan_iterations
))
6830 } else if (i
< n_plans
- 1) {
6832 * All scan plans but the last one must specify
6833 * a finite number of iterations
6842 * The last scan plan must not specify the number of
6843 * iterations, it is supposed to run infinitely
6845 if (request
->scan_plans
[n_plans
- 1].iterations
)
6851 static struct cfg80211_sched_scan_request
*
6852 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6853 struct nlattr
**attrs
)
6855 struct cfg80211_sched_scan_request
*request
;
6856 struct nlattr
*attr
;
6857 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
6858 enum nl80211_band band
;
6860 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
6861 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
6863 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
6864 return ERR_PTR(-EINVAL
);
6866 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6867 n_channels
= validate_scan_freqs(
6868 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6870 return ERR_PTR(-EINVAL
);
6872 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6875 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
6876 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6880 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
6881 return ERR_PTR(-EINVAL
);
6884 * First, count the number of 'real' matchsets. Due to an issue with
6885 * the old implementation, matchsets containing only the RSSI attribute
6886 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
6887 * RSSI for all matchsets, rather than their own matchset for reporting
6888 * all APs with a strong RSSI. This is needed to be compatible with
6889 * older userspace that treated a matchset with only the RSSI as the
6890 * global RSSI for all other matchsets - if there are other matchsets.
6892 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6893 nla_for_each_nested(attr
,
6894 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6896 struct nlattr
*rssi
;
6898 err
= nla_parse_nested(tb
,
6899 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6900 attr
, nl80211_match_policy
);
6902 return ERR_PTR(err
);
6903 /* add other standalone attributes here */
6904 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
6908 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6910 default_match_rssi
= nla_get_s32(rssi
);
6914 /* However, if there's no other matchset, add the RSSI one */
6915 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
6918 if (n_match_sets
> wiphy
->max_match_sets
)
6919 return ERR_PTR(-EINVAL
);
6921 if (attrs
[NL80211_ATTR_IE
])
6922 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
6926 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
6927 return ERR_PTR(-EINVAL
);
6929 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6931 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
6932 * each scan plan already specifies its own interval
6934 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6935 return ERR_PTR(-EINVAL
);
6937 nla_for_each_nested(attr
,
6938 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
6942 * The scan interval attribute is kept for backward
6943 * compatibility. If no scan plans are specified and sched scan
6944 * interval is specified, one scan plan will be set with this
6945 * scan interval and infinite number of iterations.
6947 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6948 return ERR_PTR(-EINVAL
);
6953 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
6954 return ERR_PTR(-EINVAL
);
6956 request
= kzalloc(sizeof(*request
)
6957 + sizeof(*request
->ssids
) * n_ssids
6958 + sizeof(*request
->match_sets
) * n_match_sets
6959 + sizeof(*request
->scan_plans
) * n_plans
6960 + sizeof(*request
->channels
) * n_channels
6961 + ie_len
, GFP_KERNEL
);
6963 return ERR_PTR(-ENOMEM
);
6966 request
->ssids
= (void *)&request
->channels
[n_channels
];
6967 request
->n_ssids
= n_ssids
;
6970 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6972 request
->ie
= (void *)(request
->channels
+ n_channels
);
6977 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6979 request
->match_sets
=
6980 (void *)(request
->ssids
+ n_ssids
);
6982 request
->match_sets
=
6983 (void *)(request
->channels
+ n_channels
);
6985 request
->n_match_sets
= n_match_sets
;
6988 request
->scan_plans
= (void *)(request
->match_sets
+
6990 else if (request
->ie
)
6991 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
6993 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
6995 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
6997 request
->n_scan_plans
= n_plans
;
7000 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7001 /* user specified, bail out if channel not found */
7002 nla_for_each_nested(attr
,
7003 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
7005 struct ieee80211_channel
*chan
;
7007 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
7014 /* ignore disabled channels */
7015 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7018 request
->channels
[i
] = chan
;
7023 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7026 if (!wiphy
->bands
[band
])
7028 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
7029 struct ieee80211_channel
*chan
;
7031 chan
= &wiphy
->bands
[band
]->channels
[j
];
7033 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7036 request
->channels
[i
] = chan
;
7047 request
->n_channels
= i
;
7051 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7053 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
7057 request
->ssids
[i
].ssid_len
= nla_len(attr
);
7058 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
7065 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7066 nla_for_each_nested(attr
,
7067 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7069 struct nlattr
*ssid
, *rssi
;
7071 err
= nla_parse_nested(tb
,
7072 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7073 attr
, nl80211_match_policy
);
7076 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
7078 if (WARN_ON(i
>= n_match_sets
)) {
7079 /* this indicates a programming error,
7080 * the loop above should have verified
7087 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
7091 memcpy(request
->match_sets
[i
].ssid
.ssid
,
7092 nla_data(ssid
), nla_len(ssid
));
7093 request
->match_sets
[i
].ssid
.ssid_len
=
7095 /* special attribute - old implementation w/a */
7096 request
->match_sets
[i
].rssi_thold
=
7098 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7100 request
->match_sets
[i
].rssi_thold
=
7106 /* there was no other matchset, so the RSSI one is alone */
7107 if (i
== 0 && n_match_sets
)
7108 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
7110 request
->min_rssi_thold
= INT_MAX
;
7111 for (i
= 0; i
< n_match_sets
; i
++)
7112 request
->min_rssi_thold
=
7113 min(request
->match_sets
[i
].rssi_thold
,
7114 request
->min_rssi_thold
);
7116 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
7120 request
->ie_len
= ie_len
;
7121 memcpy((void *)request
->ie
,
7122 nla_data(attrs
[NL80211_ATTR_IE
]),
7126 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
7127 request
->flags
= nla_get_u32(
7128 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
7129 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
7130 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
7135 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
7136 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
7138 if (!wdev
) /* must be net-detect */
7139 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
7141 if (!(wiphy
->features
& flg
)) {
7146 if (wdev
&& wdev
->current_bss
) {
7151 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
7152 request
->mac_addr_mask
);
7158 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
7160 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
7162 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
7166 request
->scan_start
= jiffies
;
7172 return ERR_PTR(err
);
7175 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
7176 struct genl_info
*info
)
7178 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7179 struct net_device
*dev
= info
->user_ptr
[1];
7180 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7181 struct cfg80211_sched_scan_request
*sched_scan_req
;
7184 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
7185 !rdev
->ops
->sched_scan_start
)
7188 if (rdev
->sched_scan_req
)
7189 return -EINPROGRESS
;
7191 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
7194 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
7198 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
7202 sched_scan_req
->dev
= dev
;
7203 sched_scan_req
->wiphy
= &rdev
->wiphy
;
7205 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
7206 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
7208 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
7210 nl80211_send_sched_scan(rdev
, dev
,
7211 NL80211_CMD_START_SCHED_SCAN
);
7215 kfree(sched_scan_req
);
7220 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
7221 struct genl_info
*info
)
7223 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7225 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
7226 !rdev
->ops
->sched_scan_stop
)
7229 return __cfg80211_stop_sched_scan(rdev
, false);
7232 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
7233 struct genl_info
*info
)
7235 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7236 struct net_device
*dev
= info
->user_ptr
[1];
7237 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7238 struct cfg80211_chan_def chandef
;
7239 enum nl80211_dfs_regions dfs_region
;
7240 unsigned int cac_time_ms
;
7243 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
7244 if (dfs_region
== NL80211_DFS_UNSET
)
7247 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7251 if (netif_carrier_ok(dev
))
7254 if (wdev
->cac_started
)
7257 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
7265 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
7268 if (!rdev
->ops
->start_radar_detection
)
7271 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
7272 if (WARN_ON(!cac_time_ms
))
7273 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
7275 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
7277 wdev
->chandef
= chandef
;
7278 wdev
->cac_started
= true;
7279 wdev
->cac_start_time
= jiffies
;
7280 wdev
->cac_time_ms
= cac_time_ms
;
7285 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
7287 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7288 struct net_device
*dev
= info
->user_ptr
[1];
7289 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7290 struct cfg80211_csa_settings params
;
7291 /* csa_attrs is defined static to avoid waste of stack size - this
7292 * function is called under RTNL lock, so this should not be a problem.
7294 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
7296 bool need_new_beacon
= false;
7300 if (!rdev
->ops
->channel_switch
||
7301 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
7304 switch (dev
->ieee80211_ptr
->iftype
) {
7305 case NL80211_IFTYPE_AP
:
7306 case NL80211_IFTYPE_P2P_GO
:
7307 need_new_beacon
= true;
7309 /* useless if AP is not running */
7310 if (!wdev
->beacon_interval
)
7313 case NL80211_IFTYPE_ADHOC
:
7314 if (!wdev
->ssid_len
)
7317 case NL80211_IFTYPE_MESH_POINT
:
7318 if (!wdev
->mesh_id_len
)
7325 memset(¶ms
, 0, sizeof(params
));
7327 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7328 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
7331 /* only important for AP, IBSS and mesh create IEs internally */
7332 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
7335 /* Even though the attribute is u32, the specification says
7336 * u8, so let's make sure we don't overflow.
7338 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
7342 params
.count
= cs_count
;
7344 if (!need_new_beacon
)
7347 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
7351 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
7352 info
->attrs
[NL80211_ATTR_CSA_IES
],
7357 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
7361 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
7364 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7365 if (!len
|| (len
% sizeof(u16
)))
7368 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
7369 if (rdev
->wiphy
.max_num_csa_counters
&&
7370 (params
.n_counter_offsets_beacon
>
7371 rdev
->wiphy
.max_num_csa_counters
))
7374 params
.counter_offsets_beacon
=
7375 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7377 /* sanity checks - counters should fit and be the same */
7378 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
7379 u16 offset
= params
.counter_offsets_beacon
[i
];
7381 if (offset
>= params
.beacon_csa
.tail_len
)
7384 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
7388 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
7389 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7390 if (!len
|| (len
% sizeof(u16
)))
7393 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
7394 if (rdev
->wiphy
.max_num_csa_counters
&&
7395 (params
.n_counter_offsets_presp
>
7396 rdev
->wiphy
.max_num_csa_counters
))
7399 params
.counter_offsets_presp
=
7400 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7402 /* sanity checks - counters should fit and be the same */
7403 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
7404 u16 offset
= params
.counter_offsets_presp
[i
];
7406 if (offset
>= params
.beacon_csa
.probe_resp_len
)
7409 if (params
.beacon_csa
.probe_resp
[offset
] !=
7416 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
7420 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
7424 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
7431 params
.radar_required
= true;
7433 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
7434 params
.block_tx
= true;
7437 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
7443 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
7445 struct cfg80211_registered_device
*rdev
,
7446 struct wireless_dev
*wdev
,
7447 struct cfg80211_internal_bss
*intbss
)
7449 struct cfg80211_bss
*res
= &intbss
->pub
;
7450 const struct cfg80211_bss_ies
*ies
;
7454 ASSERT_WDEV_LOCK(wdev
);
7456 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
7457 NL80211_CMD_NEW_SCAN_RESULTS
);
7461 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
7463 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
7464 goto nla_put_failure
;
7466 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
7467 goto nla_put_failure
;
7468 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
7470 goto nla_put_failure
;
7472 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
7474 goto nla_put_failure
;
7475 if ((!is_zero_ether_addr(res
->bssid
) &&
7476 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
7477 goto nla_put_failure
;
7480 /* indicate whether we have probe response data or not */
7481 if (rcu_access_pointer(res
->proberesp_ies
) &&
7482 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
7483 goto fail_unlock_rcu
;
7485 /* this pointer prefers to be pointed to probe response data
7486 * but is always valid
7488 ies
= rcu_dereference(res
->ies
);
7490 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
7492 goto fail_unlock_rcu
;
7493 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
7494 ies
->len
, ies
->data
))
7495 goto fail_unlock_rcu
;
7498 /* and this pointer is always (unless driver didn't know) beacon data */
7499 ies
= rcu_dereference(res
->beacon_ies
);
7500 if (ies
&& ies
->from_beacon
) {
7501 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
7503 goto fail_unlock_rcu
;
7504 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
7505 ies
->len
, ies
->data
))
7506 goto fail_unlock_rcu
;
7510 if (res
->beacon_interval
&&
7511 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
7512 goto nla_put_failure
;
7513 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
7514 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
7515 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
7516 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
7517 jiffies_to_msecs(jiffies
- intbss
->ts
)))
7518 goto nla_put_failure
;
7520 if (intbss
->parent_tsf
&&
7521 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
7522 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
7523 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
7524 intbss
->parent_bssid
)))
7525 goto nla_put_failure
;
7527 if (intbss
->ts_boottime
&&
7528 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
7529 intbss
->ts_boottime
, NL80211_BSS_PAD
))
7530 goto nla_put_failure
;
7532 switch (rdev
->wiphy
.signal_type
) {
7533 case CFG80211_SIGNAL_TYPE_MBM
:
7534 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
7535 goto nla_put_failure
;
7537 case CFG80211_SIGNAL_TYPE_UNSPEC
:
7538 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
7539 goto nla_put_failure
;
7545 switch (wdev
->iftype
) {
7546 case NL80211_IFTYPE_P2P_CLIENT
:
7547 case NL80211_IFTYPE_STATION
:
7548 if (intbss
== wdev
->current_bss
&&
7549 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7550 NL80211_BSS_STATUS_ASSOCIATED
))
7551 goto nla_put_failure
;
7553 case NL80211_IFTYPE_ADHOC
:
7554 if (intbss
== wdev
->current_bss
&&
7555 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7556 NL80211_BSS_STATUS_IBSS_JOINED
))
7557 goto nla_put_failure
;
7563 nla_nest_end(msg
, bss
);
7565 genlmsg_end(msg
, hdr
);
7571 genlmsg_cancel(msg
, hdr
);
7575 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7577 struct cfg80211_registered_device
*rdev
;
7578 struct cfg80211_internal_bss
*scan
;
7579 struct wireless_dev
*wdev
;
7580 int start
= cb
->args
[2], idx
= 0;
7583 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7588 spin_lock_bh(&rdev
->bss_lock
);
7589 cfg80211_bss_expire(rdev
);
7591 cb
->seq
= rdev
->bss_generation
;
7593 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7596 if (nl80211_send_bss(skb
, cb
,
7597 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7598 rdev
, wdev
, scan
) < 0) {
7604 spin_unlock_bh(&rdev
->bss_lock
);
7608 nl80211_finish_wdev_dump(rdev
);
7613 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7614 int flags
, struct net_device
*dev
,
7615 bool allow_radio_stats
,
7616 struct survey_info
*survey
)
7619 struct nlattr
*infoattr
;
7621 /* skip radio stats if userspace didn't request them */
7622 if (!survey
->channel
&& !allow_radio_stats
)
7625 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7626 NL80211_CMD_NEW_SURVEY_RESULTS
);
7630 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7631 goto nla_put_failure
;
7633 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7635 goto nla_put_failure
;
7637 if (survey
->channel
&&
7638 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7639 survey
->channel
->center_freq
))
7640 goto nla_put_failure
;
7642 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7643 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7644 goto nla_put_failure
;
7645 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7646 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7647 goto nla_put_failure
;
7648 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7649 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7650 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7651 goto nla_put_failure
;
7652 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7653 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7654 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7655 goto nla_put_failure
;
7656 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7657 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7658 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7659 goto nla_put_failure
;
7660 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7661 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7662 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7663 goto nla_put_failure
;
7664 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7665 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7666 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7667 goto nla_put_failure
;
7668 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7669 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7670 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7671 goto nla_put_failure
;
7673 nla_nest_end(msg
, infoattr
);
7675 genlmsg_end(msg
, hdr
);
7679 genlmsg_cancel(msg
, hdr
);
7683 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7685 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
7686 struct survey_info survey
;
7687 struct cfg80211_registered_device
*rdev
;
7688 struct wireless_dev
*wdev
;
7689 int survey_idx
= cb
->args
[2];
7693 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7697 /* prepare_wdev_dump parsed the attributes */
7698 radio_stats
= attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7700 if (!wdev
->netdev
) {
7705 if (!rdev
->ops
->dump_survey
) {
7711 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
7717 /* don't send disabled channels, but do send non-channel data */
7718 if (survey
.channel
&&
7719 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
7724 if (nl80211_send_survey(skb
,
7725 NETLINK_CB(cb
->skb
).portid
,
7726 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7727 wdev
->netdev
, radio_stats
, &survey
) < 0)
7733 cb
->args
[2] = survey_idx
;
7736 nl80211_finish_wdev_dump(rdev
);
7740 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
7742 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
7743 NL80211_WPA_VERSION_2
));
7746 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7748 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7749 struct net_device
*dev
= info
->user_ptr
[1];
7750 struct ieee80211_channel
*chan
;
7751 const u8
*bssid
, *ssid
, *ie
= NULL
, *auth_data
= NULL
;
7752 int err
, ssid_len
, ie_len
= 0, auth_data_len
= 0;
7753 enum nl80211_auth_type auth_type
;
7754 struct key_parse key
;
7755 bool local_state_change
;
7757 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7760 if (!info
->attrs
[NL80211_ATTR_MAC
])
7763 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
7766 if (!info
->attrs
[NL80211_ATTR_SSID
])
7769 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7772 err
= nl80211_parse_key(info
, &key
);
7777 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
7779 if (!key
.p
.key
|| !key
.p
.key_len
)
7781 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
7782 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
7783 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
7784 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
7797 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
7798 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
7807 if (!rdev
->ops
->auth
)
7810 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7811 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7814 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7815 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7816 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7820 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7821 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7823 if (info
->attrs
[NL80211_ATTR_IE
]) {
7824 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7825 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7828 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7829 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
7832 if ((auth_type
== NL80211_AUTHTYPE_SAE
||
7833 auth_type
== NL80211_AUTHTYPE_FILS_SK
||
7834 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
7835 auth_type
== NL80211_AUTHTYPE_FILS_PK
) &&
7836 !info
->attrs
[NL80211_ATTR_AUTH_DATA
])
7839 if (info
->attrs
[NL80211_ATTR_AUTH_DATA
]) {
7840 if (auth_type
!= NL80211_AUTHTYPE_SAE
&&
7841 auth_type
!= NL80211_AUTHTYPE_FILS_SK
&&
7842 auth_type
!= NL80211_AUTHTYPE_FILS_SK_PFS
&&
7843 auth_type
!= NL80211_AUTHTYPE_FILS_PK
)
7845 auth_data
= nla_data(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
7846 auth_data_len
= nla_len(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
7847 /* need to include at least Auth Transaction and Status Code */
7848 if (auth_data_len
< 4)
7852 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7855 * Since we no longer track auth state, ignore
7856 * requests to only change local state.
7858 if (local_state_change
)
7861 wdev_lock(dev
->ieee80211_ptr
);
7862 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
7863 ssid
, ssid_len
, ie
, ie_len
,
7864 key
.p
.key
, key
.p
.key_len
, key
.idx
,
7865 auth_data
, auth_data_len
);
7866 wdev_unlock(dev
->ieee80211_ptr
);
7870 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
7871 struct genl_info
*info
,
7872 struct cfg80211_crypto_settings
*settings
,
7875 memset(settings
, 0, sizeof(*settings
));
7877 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
7879 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
7882 proto
= nla_get_u16(
7883 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
7884 settings
->control_port_ethertype
= cpu_to_be16(proto
);
7885 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
7888 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
7889 settings
->control_port_no_encrypt
= true;
7891 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
7893 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
7897 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7898 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7899 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
7901 if (len
% sizeof(u32
))
7904 if (settings
->n_ciphers_pairwise
> cipher_limit
)
7907 memcpy(settings
->ciphers_pairwise
, data
, len
);
7909 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
7910 if (!cfg80211_supported_cipher_suite(
7912 settings
->ciphers_pairwise
[i
]))
7916 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
7917 settings
->cipher_group
=
7918 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
7919 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
7920 settings
->cipher_group
))
7924 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
7925 settings
->wpa_versions
=
7926 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
7927 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
7931 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
7935 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7936 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7937 settings
->n_akm_suites
= len
/ sizeof(u32
);
7939 if (len
% sizeof(u32
))
7942 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
7945 memcpy(settings
->akm_suites
, data
, len
);
7951 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
7953 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7954 struct net_device
*dev
= info
->user_ptr
[1];
7955 struct ieee80211_channel
*chan
;
7956 struct cfg80211_assoc_request req
= {};
7957 const u8
*bssid
, *ssid
;
7958 int err
, ssid_len
= 0;
7960 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7963 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
7964 !info
->attrs
[NL80211_ATTR_SSID
] ||
7965 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7968 if (!rdev
->ops
->assoc
)
7971 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7972 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7975 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7977 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7978 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7982 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7983 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7985 if (info
->attrs
[NL80211_ATTR_IE
]) {
7986 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7987 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7990 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7991 enum nl80211_mfp mfp
=
7992 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7993 if (mfp
== NL80211_MFP_REQUIRED
)
7995 else if (mfp
!= NL80211_MFP_NO
)
7999 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8000 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8002 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8003 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
8005 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8006 memcpy(&req
.ht_capa_mask
,
8007 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8008 sizeof(req
.ht_capa_mask
));
8010 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8011 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8013 memcpy(&req
.ht_capa
,
8014 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8015 sizeof(req
.ht_capa
));
8018 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8019 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8021 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8022 memcpy(&req
.vht_capa_mask
,
8023 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8024 sizeof(req
.vht_capa_mask
));
8026 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8027 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8029 memcpy(&req
.vht_capa
,
8030 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8031 sizeof(req
.vht_capa
));
8034 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8035 if (!((rdev
->wiphy
.features
&
8036 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8037 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8038 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8039 NL80211_EXT_FEATURE_RRM
))
8041 req
.flags
|= ASSOC_REQ_USE_RRM
;
8044 if (info
->attrs
[NL80211_ATTR_FILS_KEK
]) {
8045 req
.fils_kek
= nla_data(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8046 req
.fils_kek_len
= nla_len(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8047 if (!info
->attrs
[NL80211_ATTR_FILS_NONCES
])
8050 nla_data(info
->attrs
[NL80211_ATTR_FILS_NONCES
]);
8053 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
8055 wdev_lock(dev
->ieee80211_ptr
);
8056 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
8057 ssid
, ssid_len
, &req
);
8058 wdev_unlock(dev
->ieee80211_ptr
);
8064 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8066 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8067 struct net_device
*dev
= info
->user_ptr
[1];
8068 const u8
*ie
= NULL
, *bssid
;
8069 int ie_len
= 0, err
;
8071 bool local_state_change
;
8073 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8076 if (!info
->attrs
[NL80211_ATTR_MAC
])
8079 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8082 if (!rdev
->ops
->deauth
)
8085 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8086 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8089 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8091 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8092 if (reason_code
== 0) {
8093 /* Reason Code 0 is reserved */
8097 if (info
->attrs
[NL80211_ATTR_IE
]) {
8098 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8099 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8102 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8104 wdev_lock(dev
->ieee80211_ptr
);
8105 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8106 local_state_change
);
8107 wdev_unlock(dev
->ieee80211_ptr
);
8111 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
8113 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8114 struct net_device
*dev
= info
->user_ptr
[1];
8115 const u8
*ie
= NULL
, *bssid
;
8116 int ie_len
= 0, err
;
8118 bool local_state_change
;
8120 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8123 if (!info
->attrs
[NL80211_ATTR_MAC
])
8126 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8129 if (!rdev
->ops
->disassoc
)
8132 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8133 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8136 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8138 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8139 if (reason_code
== 0) {
8140 /* Reason Code 0 is reserved */
8144 if (info
->attrs
[NL80211_ATTR_IE
]) {
8145 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8146 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8149 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8151 wdev_lock(dev
->ieee80211_ptr
);
8152 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8153 local_state_change
);
8154 wdev_unlock(dev
->ieee80211_ptr
);
8159 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
8160 int mcast_rate
[NUM_NL80211_BANDS
],
8163 struct wiphy
*wiphy
= &rdev
->wiphy
;
8167 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
8168 struct ieee80211_supported_band
*sband
;
8170 sband
= wiphy
->bands
[band
];
8174 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
8175 if (sband
->bitrates
[i
].bitrate
== rateval
) {
8176 mcast_rate
[band
] = i
+ 1;
8186 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8188 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8189 struct net_device
*dev
= info
->user_ptr
[1];
8190 struct cfg80211_ibss_params ibss
;
8191 struct wiphy
*wiphy
;
8192 struct cfg80211_cached_keys
*connkeys
= NULL
;
8195 memset(&ibss
, 0, sizeof(ibss
));
8197 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8200 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8201 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8204 ibss
.beacon_interval
= 100;
8206 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
])
8207 ibss
.beacon_interval
=
8208 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8210 err
= cfg80211_validate_beacon_int(rdev
, NL80211_IFTYPE_ADHOC
,
8211 ibss
.beacon_interval
);
8215 if (!rdev
->ops
->join_ibss
)
8218 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8221 wiphy
= &rdev
->wiphy
;
8223 if (info
->attrs
[NL80211_ATTR_MAC
]) {
8224 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8226 if (!is_valid_ether_addr(ibss
.bssid
))
8229 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8230 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8232 if (info
->attrs
[NL80211_ATTR_IE
]) {
8233 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8234 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8237 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
8241 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
8242 NL80211_IFTYPE_ADHOC
))
8245 switch (ibss
.chandef
.width
) {
8246 case NL80211_CHAN_WIDTH_5
:
8247 case NL80211_CHAN_WIDTH_10
:
8248 case NL80211_CHAN_WIDTH_20_NOHT
:
8250 case NL80211_CHAN_WIDTH_20
:
8251 case NL80211_CHAN_WIDTH_40
:
8252 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8255 case NL80211_CHAN_WIDTH_80
:
8256 case NL80211_CHAN_WIDTH_80P80
:
8257 case NL80211_CHAN_WIDTH_160
:
8258 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8260 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8261 NL80211_EXT_FEATURE_VHT_IBSS
))
8268 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
8269 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
8271 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8273 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8275 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8276 struct ieee80211_supported_band
*sband
=
8277 wiphy
->bands
[ibss
.chandef
.chan
->band
];
8279 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8285 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8286 memcpy(&ibss
.ht_capa_mask
,
8287 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8288 sizeof(ibss
.ht_capa_mask
));
8290 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8291 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8293 memcpy(&ibss
.ht_capa
,
8294 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8295 sizeof(ibss
.ht_capa
));
8298 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8299 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
8300 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8303 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8306 connkeys
= nl80211_parse_connkeys(rdev
,
8307 info
->attrs
[NL80211_ATTR_KEYS
],
8309 if (IS_ERR(connkeys
))
8310 return PTR_ERR(connkeys
);
8312 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
8320 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
8322 ibss
.userspace_handles_dfs
=
8323 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
8325 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
8331 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8333 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8334 struct net_device
*dev
= info
->user_ptr
[1];
8336 if (!rdev
->ops
->leave_ibss
)
8339 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8342 return cfg80211_leave_ibss(rdev
, dev
, false);
8345 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
8347 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8348 struct net_device
*dev
= info
->user_ptr
[1];
8349 int mcast_rate
[NUM_NL80211_BANDS
];
8353 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
8354 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
8355 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
8358 if (!rdev
->ops
->set_mcast_rate
)
8361 memset(mcast_rate
, 0, sizeof(mcast_rate
));
8363 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
8366 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
8367 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
8370 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
8375 static struct sk_buff
*
8376 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
8377 struct wireless_dev
*wdev
, int approxlen
,
8378 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
8379 enum nl80211_attrs attr
,
8380 const struct nl80211_vendor_cmd_info
*info
,
8383 struct sk_buff
*skb
;
8385 struct nlattr
*data
;
8387 skb
= nlmsg_new(approxlen
+ 100, gfp
);
8391 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
8397 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
8398 goto nla_put_failure
;
8401 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
8403 goto nla_put_failure
;
8404 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
8406 goto nla_put_failure
;
8410 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
8411 wdev_id(wdev
), NL80211_ATTR_PAD
))
8412 goto nla_put_failure
;
8414 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
8415 wdev
->netdev
->ifindex
))
8416 goto nla_put_failure
;
8419 data
= nla_nest_start(skb
, attr
);
8421 goto nla_put_failure
;
8423 ((void **)skb
->cb
)[0] = rdev
;
8424 ((void **)skb
->cb
)[1] = hdr
;
8425 ((void **)skb
->cb
)[2] = data
;
8434 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
8435 struct wireless_dev
*wdev
,
8436 enum nl80211_commands cmd
,
8437 enum nl80211_attrs attr
,
8438 int vendor_event_idx
,
8439 int approxlen
, gfp_t gfp
)
8441 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
8442 const struct nl80211_vendor_cmd_info
*info
;
8445 case NL80211_CMD_TESTMODE
:
8446 if (WARN_ON(vendor_event_idx
!= -1))
8450 case NL80211_CMD_VENDOR
:
8451 if (WARN_ON(vendor_event_idx
< 0 ||
8452 vendor_event_idx
>= wiphy
->n_vendor_events
))
8454 info
= &wiphy
->vendor_events
[vendor_event_idx
];
8461 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
8462 cmd
, attr
, info
, gfp
);
8464 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
8466 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
8468 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8469 void *hdr
= ((void **)skb
->cb
)[1];
8470 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8471 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
8473 /* clear CB data for netlink core to own from now on */
8474 memset(skb
->cb
, 0, sizeof(skb
->cb
));
8476 nla_nest_end(skb
, data
);
8477 genlmsg_end(skb
, hdr
);
8479 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
8480 mcgrp
= NL80211_MCGRP_VENDOR
;
8482 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
8485 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
8487 #ifdef CONFIG_NL80211_TESTMODE
8488 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
8490 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8491 struct wireless_dev
*wdev
=
8492 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8495 if (!rdev
->ops
->testmode_cmd
)
8499 err
= PTR_ERR(wdev
);
8503 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8507 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
8510 rdev
->cur_cmd_info
= info
;
8511 err
= rdev_testmode_cmd(rdev
, wdev
,
8512 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
8513 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
8514 rdev
->cur_cmd_info
= NULL
;
8519 static int nl80211_testmode_dump(struct sk_buff
*skb
,
8520 struct netlink_callback
*cb
)
8522 struct cfg80211_registered_device
*rdev
;
8532 * 0 is a valid index, but not valid for args[0],
8533 * so we need to offset by 1.
8535 phy_idx
= cb
->args
[0] - 1;
8537 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
8539 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
8540 attrbuf
, nl80211_fam
.maxattr
, nl80211_policy
);
8544 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
8546 err
= PTR_ERR(rdev
);
8549 phy_idx
= rdev
->wiphy_idx
;
8552 if (attrbuf
[NL80211_ATTR_TESTDATA
])
8553 cb
->args
[1] = (long)attrbuf
[NL80211_ATTR_TESTDATA
];
8557 data
= nla_data((void *)cb
->args
[1]);
8558 data_len
= nla_len((void *)cb
->args
[1]);
8561 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
8567 if (!rdev
->ops
->testmode_dump
) {
8573 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
8574 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8575 NL80211_CMD_TESTMODE
);
8576 struct nlattr
*tmdata
;
8581 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
8582 genlmsg_cancel(skb
, hdr
);
8586 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
8588 genlmsg_cancel(skb
, hdr
);
8591 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
8592 nla_nest_end(skb
, tmdata
);
8594 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
8595 genlmsg_cancel(skb
, hdr
);
8598 genlmsg_cancel(skb
, hdr
);
8602 genlmsg_end(skb
, hdr
);
8607 cb
->args
[0] = phy_idx
+ 1;
8614 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8616 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8617 struct net_device
*dev
= info
->user_ptr
[1];
8618 struct cfg80211_connect_params connect
;
8619 struct wiphy
*wiphy
;
8620 struct cfg80211_cached_keys
*connkeys
= NULL
;
8623 memset(&connect
, 0, sizeof(connect
));
8625 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8628 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8629 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8632 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8634 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8635 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8636 NL80211_CMD_CONNECT
))
8639 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8641 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8643 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8644 NL80211_MAX_NR_CIPHER_SUITES
);
8648 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8649 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8652 wiphy
= &rdev
->wiphy
;
8654 connect
.bg_scan_period
= -1;
8655 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8656 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8657 connect
.bg_scan_period
=
8658 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8661 if (info
->attrs
[NL80211_ATTR_MAC
])
8662 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8663 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8664 connect
.bssid_hint
=
8665 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8666 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8667 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8669 if (info
->attrs
[NL80211_ATTR_IE
]) {
8670 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8671 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8674 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8675 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8676 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
8677 connect
.mfp
!= NL80211_MFP_NO
)
8680 connect
.mfp
= NL80211_MFP_NO
;
8683 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8684 connect
.prev_bssid
=
8685 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8687 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8688 connect
.channel
= nl80211_get_valid_chan(
8689 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8690 if (!connect
.channel
)
8692 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
8693 connect
.channel_hint
= nl80211_get_valid_chan(
8694 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
8695 if (!connect
.channel_hint
)
8699 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8700 connkeys
= nl80211_parse_connkeys(rdev
,
8701 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
8702 if (IS_ERR(connkeys
))
8703 return PTR_ERR(connkeys
);
8706 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8707 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
8709 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8710 memcpy(&connect
.ht_capa_mask
,
8711 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8712 sizeof(connect
.ht_capa_mask
));
8714 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8715 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
8719 memcpy(&connect
.ht_capa
,
8720 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8721 sizeof(connect
.ht_capa
));
8724 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8725 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8727 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8728 memcpy(&connect
.vht_capa_mask
,
8729 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8730 sizeof(connect
.vht_capa_mask
));
8732 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8733 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
8737 memcpy(&connect
.vht_capa
,
8738 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8739 sizeof(connect
.vht_capa
));
8742 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8743 if (!((rdev
->wiphy
.features
&
8744 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8745 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8746 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8747 NL80211_EXT_FEATURE_RRM
)) {
8751 connect
.flags
|= ASSOC_REQ_USE_RRM
;
8754 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
8755 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
8760 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
8761 /* bss selection makes no sense if bssid is set */
8762 if (connect
.bssid
) {
8767 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
8768 wiphy
, &connect
.bss_select
);
8775 wdev_lock(dev
->ieee80211_ptr
);
8776 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
8777 connect
.prev_bssid
);
8778 wdev_unlock(dev
->ieee80211_ptr
);
8784 static int nl80211_update_connect_params(struct sk_buff
*skb
,
8785 struct genl_info
*info
)
8787 struct cfg80211_connect_params connect
= {};
8788 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8789 struct net_device
*dev
= info
->user_ptr
[1];
8790 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8794 if (!rdev
->ops
->update_connect_params
)
8797 if (info
->attrs
[NL80211_ATTR_IE
]) {
8798 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8800 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8801 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8802 changed
|= UPDATE_ASSOC_IES
;
8805 wdev_lock(dev
->ieee80211_ptr
);
8806 if (!wdev
->current_bss
)
8809 ret
= rdev_update_connect_params(rdev
, dev
, &connect
, changed
);
8810 wdev_unlock(dev
->ieee80211_ptr
);
8815 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
8817 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8818 struct net_device
*dev
= info
->user_ptr
[1];
8822 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8823 reason
= WLAN_REASON_DEAUTH_LEAVING
;
8825 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8830 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8831 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8834 wdev_lock(dev
->ieee80211_ptr
);
8835 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
8836 wdev_unlock(dev
->ieee80211_ptr
);
8840 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
8842 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8846 if (info
->attrs
[NL80211_ATTR_PID
]) {
8847 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
8849 net
= get_net_ns_by_pid(pid
);
8850 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
8851 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
8853 net
= get_net_ns_by_fd(fd
);
8859 return PTR_ERR(net
);
8863 /* check if anything to do */
8864 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
8865 err
= cfg80211_switch_netns(rdev
, net
);
8871 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8873 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8874 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
8875 struct cfg80211_pmksa
*pmksa
) = NULL
;
8876 struct net_device
*dev
= info
->user_ptr
[1];
8877 struct cfg80211_pmksa pmksa
;
8879 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
8881 if (!info
->attrs
[NL80211_ATTR_MAC
])
8884 if (!info
->attrs
[NL80211_ATTR_PMKID
])
8887 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
8888 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8890 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8891 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8894 switch (info
->genlhdr
->cmd
) {
8895 case NL80211_CMD_SET_PMKSA
:
8896 rdev_ops
= rdev
->ops
->set_pmksa
;
8898 case NL80211_CMD_DEL_PMKSA
:
8899 rdev_ops
= rdev
->ops
->del_pmksa
;
8909 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
8912 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8914 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8915 struct net_device
*dev
= info
->user_ptr
[1];
8917 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8918 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8921 if (!rdev
->ops
->flush_pmksa
)
8924 return rdev_flush_pmksa(rdev
, dev
);
8927 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8929 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8930 struct net_device
*dev
= info
->user_ptr
[1];
8931 u8 action_code
, dialog_token
;
8932 u32 peer_capability
= 0;
8937 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8938 !rdev
->ops
->tdls_mgmt
)
8941 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
8942 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
8943 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
8944 !info
->attrs
[NL80211_ATTR_IE
] ||
8945 !info
->attrs
[NL80211_ATTR_MAC
])
8948 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8949 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
8950 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
8951 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
8952 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
8953 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
8955 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
8957 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
8958 dialog_token
, status_code
, peer_capability
,
8960 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
8961 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
8964 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
8966 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8967 struct net_device
*dev
= info
->user_ptr
[1];
8968 enum nl80211_tdls_operation operation
;
8971 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8972 !rdev
->ops
->tdls_oper
)
8975 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
8976 !info
->attrs
[NL80211_ATTR_MAC
])
8979 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
8980 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8982 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
8985 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
8986 struct genl_info
*info
)
8988 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8989 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8990 struct cfg80211_chan_def chandef
;
8991 struct sk_buff
*msg
;
8997 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
8998 !info
->attrs
[NL80211_ATTR_DURATION
])
9001 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9003 if (!rdev
->ops
->remain_on_channel
||
9004 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
9008 * We should be on that channel for at least a minimum amount of
9009 * time (10ms) but no longer than the driver supports.
9011 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9012 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
9015 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9019 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9023 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9024 NL80211_CMD_REMAIN_ON_CHANNEL
);
9030 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
9036 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9038 goto nla_put_failure
;
9040 genlmsg_end(msg
, hdr
);
9042 return genlmsg_reply(msg
, info
);
9051 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
9052 struct genl_info
*info
)
9054 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9055 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9058 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9061 if (!rdev
->ops
->cancel_remain_on_channel
)
9064 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9066 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
9069 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
9070 struct genl_info
*info
)
9072 struct cfg80211_bitrate_mask mask
;
9073 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9074 struct net_device
*dev
= info
->user_ptr
[1];
9077 if (!rdev
->ops
->set_bitrate_mask
)
9080 err
= nl80211_parse_tx_bitrate_mask(info
, &mask
);
9084 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
9087 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9089 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9090 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9091 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
9093 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
9096 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
9097 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
9099 switch (wdev
->iftype
) {
9100 case NL80211_IFTYPE_STATION
:
9101 case NL80211_IFTYPE_ADHOC
:
9102 case NL80211_IFTYPE_P2P_CLIENT
:
9103 case NL80211_IFTYPE_AP
:
9104 case NL80211_IFTYPE_AP_VLAN
:
9105 case NL80211_IFTYPE_MESH_POINT
:
9106 case NL80211_IFTYPE_P2P_GO
:
9107 case NL80211_IFTYPE_P2P_DEVICE
:
9109 case NL80211_IFTYPE_NAN
:
9114 /* not much point in registering if we can't reply */
9115 if (!rdev
->ops
->mgmt_tx
)
9118 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
9119 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
9120 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
9123 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9125 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9126 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9127 struct cfg80211_chan_def chandef
;
9131 struct sk_buff
*msg
= NULL
;
9132 struct cfg80211_mgmt_tx_params params
= {
9133 .dont_wait_for_ack
=
9134 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
9137 if (!info
->attrs
[NL80211_ATTR_FRAME
])
9140 if (!rdev
->ops
->mgmt_tx
)
9143 switch (wdev
->iftype
) {
9144 case NL80211_IFTYPE_P2P_DEVICE
:
9145 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
9147 case NL80211_IFTYPE_STATION
:
9148 case NL80211_IFTYPE_ADHOC
:
9149 case NL80211_IFTYPE_P2P_CLIENT
:
9150 case NL80211_IFTYPE_AP
:
9151 case NL80211_IFTYPE_AP_VLAN
:
9152 case NL80211_IFTYPE_MESH_POINT
:
9153 case NL80211_IFTYPE_P2P_GO
:
9155 case NL80211_IFTYPE_NAN
:
9160 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
9161 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9163 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9166 * We should wait on the channel for at least a minimum amount
9167 * of time (10ms) but no longer than the driver supports.
9169 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9170 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
9174 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
9176 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9179 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
9181 /* get the channel if any has been specified, otherwise pass NULL to
9182 * the driver. The latter will use the current one
9184 chandef
.chan
= NULL
;
9185 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9186 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9191 if (!chandef
.chan
&& params
.offchan
)
9194 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
9195 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
9197 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
9198 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9201 if (len
% sizeof(u16
))
9204 params
.n_csa_offsets
= len
/ sizeof(u16
);
9205 params
.csa_offsets
=
9206 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9208 /* check that all the offsets fit the frame */
9209 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
9210 if (params
.csa_offsets
[i
] >= params
.len
)
9215 if (!params
.dont_wait_for_ack
) {
9216 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9220 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9228 params
.chan
= chandef
.chan
;
9229 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
9234 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9236 goto nla_put_failure
;
9238 genlmsg_end(msg
, hdr
);
9239 return genlmsg_reply(msg
, info
);
9251 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
9253 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9254 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9257 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9260 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
9263 switch (wdev
->iftype
) {
9264 case NL80211_IFTYPE_STATION
:
9265 case NL80211_IFTYPE_ADHOC
:
9266 case NL80211_IFTYPE_P2P_CLIENT
:
9267 case NL80211_IFTYPE_AP
:
9268 case NL80211_IFTYPE_AP_VLAN
:
9269 case NL80211_IFTYPE_P2P_GO
:
9270 case NL80211_IFTYPE_P2P_DEVICE
:
9272 case NL80211_IFTYPE_NAN
:
9277 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9279 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
9282 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9284 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9285 struct wireless_dev
*wdev
;
9286 struct net_device
*dev
= info
->user_ptr
[1];
9291 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
9294 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
9296 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
9299 wdev
= dev
->ieee80211_ptr
;
9301 if (!rdev
->ops
->set_power_mgmt
)
9304 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
9306 if (state
== wdev
->ps
)
9309 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
9315 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9317 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9318 enum nl80211_ps_state ps_state
;
9319 struct wireless_dev
*wdev
;
9320 struct net_device
*dev
= info
->user_ptr
[1];
9321 struct sk_buff
*msg
;
9325 wdev
= dev
->ieee80211_ptr
;
9327 if (!rdev
->ops
->set_power_mgmt
)
9330 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9334 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9335 NL80211_CMD_GET_POWER_SAVE
);
9342 ps_state
= NL80211_PS_ENABLED
;
9344 ps_state
= NL80211_PS_DISABLED
;
9346 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
9347 goto nla_put_failure
;
9349 genlmsg_end(msg
, hdr
);
9350 return genlmsg_reply(msg
, info
);
9359 static const struct nla_policy
9360 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
9361 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
9362 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
9363 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
9364 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
9365 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
9366 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
9369 static int nl80211_set_cqm_txe(struct genl_info
*info
,
9370 u32 rate
, u32 pkts
, u32 intvl
)
9372 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9373 struct net_device
*dev
= info
->user_ptr
[1];
9374 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9376 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
9379 if (!rdev
->ops
->set_cqm_txe_config
)
9382 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9383 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9386 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
9389 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
9390 s32 threshold
, u32 hysteresis
)
9392 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9393 struct net_device
*dev
= info
->user_ptr
[1];
9394 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9399 /* disabling - hysteresis should also be zero then */
9403 if (!rdev
->ops
->set_cqm_rssi_config
)
9406 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9407 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9410 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
9413 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
9415 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
9419 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
9423 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
9424 nl80211_attr_cqm_policy
);
9428 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9429 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9430 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9431 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9433 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
9436 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9437 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9438 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9439 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9440 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9441 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9443 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9449 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9451 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9452 struct net_device
*dev
= info
->user_ptr
[1];
9453 struct ocb_setup setup
= {};
9456 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9460 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9463 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9465 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9466 struct net_device
*dev
= info
->user_ptr
[1];
9468 return cfg80211_leave_ocb(rdev
, dev
);
9471 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9473 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9474 struct net_device
*dev
= info
->user_ptr
[1];
9475 struct mesh_config cfg
;
9476 struct mesh_setup setup
;
9479 /* start with default */
9480 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9481 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9483 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9484 /* and parse parameters if given */
9485 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9490 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9491 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9494 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9495 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9497 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9498 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
9499 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
9502 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
9503 setup
.beacon_interval
=
9504 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
9506 err
= cfg80211_validate_beacon_int(rdev
,
9507 NL80211_IFTYPE_MESH_POINT
,
9508 setup
.beacon_interval
);
9513 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
9515 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
9516 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
9520 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
9521 /* parse additional setup parameters if given */
9522 err
= nl80211_parse_mesh_setup(info
, &setup
);
9528 cfg
.auto_open_plinks
= false;
9530 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9531 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9535 /* cfg80211_join_mesh() will sort it out */
9536 setup
.chandef
.chan
= NULL
;
9539 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
9540 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9542 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9543 struct ieee80211_supported_band
*sband
;
9545 if (!setup
.chandef
.chan
)
9548 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
9550 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
9551 &setup
.basic_rates
);
9556 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
9557 err
= nl80211_parse_tx_bitrate_mask(info
, &setup
.beacon_rate
);
9561 err
= validate_beacon_tx_rate(rdev
, setup
.chandef
.chan
->band
,
9562 &setup
.beacon_rate
);
9567 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
9570 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9572 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9573 struct net_device
*dev
= info
->user_ptr
[1];
9575 return cfg80211_leave_mesh(rdev
, dev
);
9579 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
9580 struct cfg80211_registered_device
*rdev
)
9582 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
9583 struct nlattr
*nl_pats
, *nl_pat
;
9586 if (!wowlan
->n_patterns
)
9589 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
9593 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
9594 nl_pat
= nla_nest_start(msg
, i
+ 1);
9597 pat_len
= wowlan
->patterns
[i
].pattern_len
;
9598 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
9599 wowlan
->patterns
[i
].mask
) ||
9600 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9601 wowlan
->patterns
[i
].pattern
) ||
9602 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9603 wowlan
->patterns
[i
].pkt_offset
))
9605 nla_nest_end(msg
, nl_pat
);
9607 nla_nest_end(msg
, nl_pats
);
9612 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
9613 struct cfg80211_wowlan_tcp
*tcp
)
9615 struct nlattr
*nl_tcp
;
9620 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
9624 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
9625 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
9626 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
9627 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
9628 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
9629 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
9630 tcp
->payload_len
, tcp
->payload
) ||
9631 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
9632 tcp
->data_interval
) ||
9633 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
9634 tcp
->wake_len
, tcp
->wake_data
) ||
9635 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
9636 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
9639 if (tcp
->payload_seq
.len
&&
9640 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
9641 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
9644 if (tcp
->payload_tok
.len
&&
9645 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
9646 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
9650 nla_nest_end(msg
, nl_tcp
);
9655 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
9656 struct cfg80211_sched_scan_request
*req
)
9658 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
9664 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
9668 if (req
->n_scan_plans
== 1 &&
9669 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
9670 req
->scan_plans
[0].interval
* 1000))
9673 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
9676 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9680 for (i
= 0; i
< req
->n_channels
; i
++) {
9681 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
9685 nla_nest_end(msg
, freqs
);
9687 if (req
->n_match_sets
) {
9688 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
9692 for (i
= 0; i
< req
->n_match_sets
; i
++) {
9693 match
= nla_nest_start(msg
, i
);
9697 if (nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
9698 req
->match_sets
[i
].ssid
.ssid_len
,
9699 req
->match_sets
[i
].ssid
.ssid
))
9701 nla_nest_end(msg
, match
);
9703 nla_nest_end(msg
, matches
);
9706 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
9710 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
9711 scan_plan
= nla_nest_start(msg
, i
+ 1);
9716 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
9717 req
->scan_plans
[i
].interval
) ||
9718 (req
->scan_plans
[i
].iterations
&&
9719 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
9720 req
->scan_plans
[i
].iterations
)))
9722 nla_nest_end(msg
, scan_plan
);
9724 nla_nest_end(msg
, scan_plans
);
9726 nla_nest_end(msg
, nd
);
9731 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9733 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9734 struct sk_buff
*msg
;
9736 u32 size
= NLMSG_DEFAULT_SIZE
;
9738 if (!rdev
->wiphy
.wowlan
)
9741 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
9742 /* adjust size to have room for all the data */
9743 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
9744 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
9745 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
9746 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
9749 msg
= nlmsg_new(size
, GFP_KERNEL
);
9753 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9754 NL80211_CMD_GET_WOWLAN
);
9756 goto nla_put_failure
;
9758 if (rdev
->wiphy
.wowlan_config
) {
9759 struct nlattr
*nl_wowlan
;
9761 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
9763 goto nla_put_failure
;
9765 if ((rdev
->wiphy
.wowlan_config
->any
&&
9766 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
9767 (rdev
->wiphy
.wowlan_config
->disconnect
&&
9768 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
9769 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
9770 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
9771 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
9772 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
9773 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
9774 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
9775 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
9776 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
9777 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
9778 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
9779 goto nla_put_failure
;
9781 if (nl80211_send_wowlan_patterns(msg
, rdev
))
9782 goto nla_put_failure
;
9784 if (nl80211_send_wowlan_tcp(msg
,
9785 rdev
->wiphy
.wowlan_config
->tcp
))
9786 goto nla_put_failure
;
9788 if (nl80211_send_wowlan_nd(
9790 rdev
->wiphy
.wowlan_config
->nd_config
))
9791 goto nla_put_failure
;
9793 nla_nest_end(msg
, nl_wowlan
);
9796 genlmsg_end(msg
, hdr
);
9797 return genlmsg_reply(msg
, info
);
9804 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
9805 struct nlattr
*attr
,
9806 struct cfg80211_wowlan
*trig
)
9808 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
9809 struct cfg80211_wowlan_tcp
*cfg
;
9810 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
9811 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
9813 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
9816 if (!rdev
->wiphy
.wowlan
->tcp
)
9819 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TCP
, attr
,
9820 nl80211_wowlan_tcp_policy
);
9824 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
9825 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
9826 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
9827 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
9828 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
9829 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
9830 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
9831 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
9834 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
9835 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
9838 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
9839 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
9840 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
9843 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
9844 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
9847 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
9848 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
9851 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
9852 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9854 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9855 tokens_size
= tokln
- sizeof(*tok
);
9857 if (!tok
->len
|| tokens_size
% tok
->len
)
9859 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
9861 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
9863 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
9865 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
9867 if (tok
->offset
+ tok
->len
> data_size
)
9871 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
9872 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
9873 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
9875 if (seq
->len
== 0 || seq
->len
> 4)
9877 if (seq
->len
+ seq
->offset
> data_size
)
9881 size
= sizeof(*cfg
);
9883 size
+= wake_size
+ wake_mask_size
;
9884 size
+= tokens_size
;
9886 cfg
= kzalloc(size
, GFP_KERNEL
);
9889 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
9890 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
9891 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
9893 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
9894 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
9898 /* allocate a socket and port for it and use it */
9899 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
9900 IPPROTO_TCP
, &cfg
->sock
, 1);
9905 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
9906 sock_release(cfg
->sock
);
9910 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
9916 cfg
->src_port
= port
;
9919 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
9920 cfg
->payload_len
= data_size
;
9921 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
9922 memcpy((void *)cfg
->payload
,
9923 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
9926 cfg
->payload_seq
= *seq
;
9927 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
9928 cfg
->wake_len
= wake_size
;
9929 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
9930 memcpy((void *)cfg
->wake_data
,
9931 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
9933 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
9934 data_size
+ wake_size
;
9935 memcpy((void *)cfg
->wake_mask
,
9936 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
9939 cfg
->tokens_size
= tokens_size
;
9940 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
9948 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
9949 const struct wiphy_wowlan_support
*wowlan
,
9950 struct nlattr
*attr
,
9951 struct cfg80211_wowlan
*trig
)
9956 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
9960 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
9965 err
= nla_parse_nested(tb
, NL80211_ATTR_MAX
, attr
, nl80211_policy
);
9969 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
9970 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
9972 trig
->nd_config
= NULL
;
9979 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9981 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9982 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
9983 struct cfg80211_wowlan new_triggers
= {};
9984 struct cfg80211_wowlan
*ntrig
;
9985 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
9987 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
9988 bool regular
= false;
9993 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
9994 cfg80211_rdev_free_wowlan(rdev
);
9995 rdev
->wiphy
.wowlan_config
= NULL
;
9999 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TRIG
,
10000 info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
],
10001 nl80211_wowlan_policy
);
10005 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
10006 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
10008 new_triggers
.any
= true;
10011 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
10012 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
10014 new_triggers
.disconnect
= true;
10018 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
10019 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
10021 new_triggers
.magic_pkt
= true;
10025 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
10028 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
10029 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
10031 new_triggers
.gtk_rekey_failure
= true;
10035 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
10036 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
10038 new_triggers
.eap_identity_req
= true;
10042 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
10043 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
10045 new_triggers
.four_way_handshake
= true;
10049 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
10050 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
10052 new_triggers
.rfkill_release
= true;
10056 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
10057 struct nlattr
*pat
;
10058 int n_patterns
= 0;
10059 int rem
, pat_len
, mask_len
, pkt_offset
;
10060 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10064 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10067 if (n_patterns
> wowlan
->n_patterns
)
10070 new_triggers
.patterns
= kcalloc(n_patterns
,
10071 sizeof(new_triggers
.patterns
[0]),
10073 if (!new_triggers
.patterns
)
10076 new_triggers
.n_patterns
= n_patterns
;
10079 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10083 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10086 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10087 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10089 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10090 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10091 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10093 if (pat_len
> wowlan
->pattern_max_len
||
10094 pat_len
< wowlan
->pattern_min_len
)
10097 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10100 pkt_offset
= nla_get_u32(
10101 pat_tb
[NL80211_PKTPAT_OFFSET
]);
10102 if (pkt_offset
> wowlan
->max_pkt_offset
)
10104 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
10106 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10111 new_triggers
.patterns
[i
].mask
= mask_pat
;
10112 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10114 mask_pat
+= mask_len
;
10115 new_triggers
.patterns
[i
].pattern
= mask_pat
;
10116 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
10118 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10124 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
10126 err
= nl80211_parse_wowlan_tcp(
10127 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
10133 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
10135 err
= nl80211_parse_wowlan_nd(
10136 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
10142 /* The 'any' trigger means the device continues operating more or less
10143 * as in its normal operation mode and wakes up the host on most of the
10144 * normal interrupts (like packet RX, ...)
10145 * It therefore makes little sense to combine with the more constrained
10146 * wakeup trigger modes.
10148 if (new_triggers
.any
&& regular
) {
10153 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
10158 cfg80211_rdev_free_wowlan(rdev
);
10159 rdev
->wiphy
.wowlan_config
= ntrig
;
10162 if (rdev
->ops
->set_wakeup
&&
10163 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
10164 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
10168 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
10169 kfree(new_triggers
.patterns
[i
].mask
);
10170 kfree(new_triggers
.patterns
);
10171 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
10172 sock_release(new_triggers
.tcp
->sock
);
10173 kfree(new_triggers
.tcp
);
10174 kfree(new_triggers
.nd_config
);
10179 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
10180 struct cfg80211_registered_device
*rdev
)
10182 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
10184 struct cfg80211_coalesce_rules
*rule
;
10186 if (!rdev
->coalesce
->n_rules
)
10189 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
10193 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
10194 nl_rule
= nla_nest_start(msg
, i
+ 1);
10198 rule
= &rdev
->coalesce
->rules
[i
];
10199 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
10203 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
10207 nl_pats
= nla_nest_start(msg
,
10208 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
10212 for (j
= 0; j
< rule
->n_patterns
; j
++) {
10213 nl_pat
= nla_nest_start(msg
, j
+ 1);
10216 pat_len
= rule
->patterns
[j
].pattern_len
;
10217 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
10218 DIV_ROUND_UP(pat_len
, 8),
10219 rule
->patterns
[j
].mask
) ||
10220 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10221 rule
->patterns
[j
].pattern
) ||
10222 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10223 rule
->patterns
[j
].pkt_offset
))
10225 nla_nest_end(msg
, nl_pat
);
10227 nla_nest_end(msg
, nl_pats
);
10228 nla_nest_end(msg
, nl_rule
);
10230 nla_nest_end(msg
, nl_rules
);
10235 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10237 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10238 struct sk_buff
*msg
;
10241 if (!rdev
->wiphy
.coalesce
)
10242 return -EOPNOTSUPP
;
10244 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10248 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10249 NL80211_CMD_GET_COALESCE
);
10251 goto nla_put_failure
;
10253 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
10254 goto nla_put_failure
;
10256 genlmsg_end(msg
, hdr
);
10257 return genlmsg_reply(msg
, info
);
10264 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
10266 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
10268 struct cfg80211_coalesce_rules
*rule
;
10273 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
10274 rule
= &coalesce
->rules
[i
];
10275 for (j
= 0; j
< rule
->n_patterns
; j
++)
10276 kfree(rule
->patterns
[j
].mask
);
10277 kfree(rule
->patterns
);
10279 kfree(coalesce
->rules
);
10281 rdev
->coalesce
= NULL
;
10284 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
10285 struct nlattr
*rule
,
10286 struct cfg80211_coalesce_rules
*new_rule
)
10289 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10290 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
10291 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
10292 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10294 err
= nla_parse_nested(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, rule
,
10295 nl80211_coalesce_policy
);
10299 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
10301 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
10302 if (new_rule
->delay
> coalesce
->max_delay
)
10305 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
10306 new_rule
->condition
=
10307 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
10308 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
10309 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
10312 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
10315 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10318 if (n_patterns
> coalesce
->n_patterns
)
10321 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
10323 if (!new_rule
->patterns
)
10326 new_rule
->n_patterns
= n_patterns
;
10329 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10333 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
, NULL
);
10334 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10335 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10337 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10338 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10339 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10341 if (pat_len
> coalesce
->pattern_max_len
||
10342 pat_len
< coalesce
->pattern_min_len
)
10345 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10348 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
10349 if (pkt_offset
> coalesce
->max_pkt_offset
)
10351 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
10353 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10357 new_rule
->patterns
[i
].mask
= mask_pat
;
10358 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10361 mask_pat
+= mask_len
;
10362 new_rule
->patterns
[i
].pattern
= mask_pat
;
10363 new_rule
->patterns
[i
].pattern_len
= pat_len
;
10364 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10372 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10374 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10375 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10376 struct cfg80211_coalesce new_coalesce
= {};
10377 struct cfg80211_coalesce
*n_coalesce
;
10378 int err
, rem_rule
, n_rules
= 0, i
, j
;
10379 struct nlattr
*rule
;
10380 struct cfg80211_coalesce_rules
*tmp_rule
;
10382 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
10383 return -EOPNOTSUPP
;
10385 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
10386 cfg80211_rdev_free_coalesce(rdev
);
10387 rdev_set_coalesce(rdev
, NULL
);
10391 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10394 if (n_rules
> coalesce
->n_rules
)
10397 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
10399 if (!new_coalesce
.rules
)
10402 new_coalesce
.n_rules
= n_rules
;
10405 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10407 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
10408 &new_coalesce
.rules
[i
]);
10415 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
10419 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
10424 cfg80211_rdev_free_coalesce(rdev
);
10425 rdev
->coalesce
= n_coalesce
;
10429 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
10430 tmp_rule
= &new_coalesce
.rules
[i
];
10431 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
10432 kfree(tmp_rule
->patterns
[j
].mask
);
10433 kfree(tmp_rule
->patterns
);
10435 kfree(new_coalesce
.rules
);
10440 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
10442 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10443 struct net_device
*dev
= info
->user_ptr
[1];
10444 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10445 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
10446 struct cfg80211_gtk_rekey_data rekey_data
;
10449 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10452 err
= nla_parse_nested(tb
, MAX_NL80211_REKEY_DATA
,
10453 info
->attrs
[NL80211_ATTR_REKEY_DATA
],
10454 nl80211_rekey_policy
);
10458 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10460 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10462 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10465 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10466 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10467 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
10470 if (!wdev
->current_bss
) {
10475 if (!rdev
->ops
->set_rekey_data
) {
10480 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
10486 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
10487 struct genl_info
*info
)
10489 struct net_device
*dev
= info
->user_ptr
[1];
10490 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10492 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10493 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10496 if (wdev
->ap_unexpected_nlportid
)
10499 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
10503 static int nl80211_probe_client(struct sk_buff
*skb
,
10504 struct genl_info
*info
)
10506 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10507 struct net_device
*dev
= info
->user_ptr
[1];
10508 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10509 struct sk_buff
*msg
;
10515 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10516 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10517 return -EOPNOTSUPP
;
10519 if (!info
->attrs
[NL80211_ATTR_MAC
])
10522 if (!rdev
->ops
->probe_client
)
10523 return -EOPNOTSUPP
;
10525 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10529 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10530 NL80211_CMD_PROBE_CLIENT
);
10536 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10538 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
10542 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
10544 goto nla_put_failure
;
10546 genlmsg_end(msg
, hdr
);
10548 return genlmsg_reply(msg
, info
);
10557 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
10559 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10560 struct cfg80211_beacon_registration
*reg
, *nreg
;
10563 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
10564 return -EOPNOTSUPP
;
10566 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
10570 /* First, check if already registered. */
10571 spin_lock_bh(&rdev
->beacon_registrations_lock
);
10572 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
10573 if (reg
->nlportid
== info
->snd_portid
) {
10578 /* Add it to the list */
10579 nreg
->nlportid
= info
->snd_portid
;
10580 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
10582 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10586 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10591 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
10593 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10594 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10597 if (!rdev
->ops
->start_p2p_device
)
10598 return -EOPNOTSUPP
;
10600 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
10601 return -EOPNOTSUPP
;
10603 if (wdev_running(wdev
))
10606 if (rfkill_blocked(rdev
->rfkill
))
10609 err
= rdev_start_p2p_device(rdev
, wdev
);
10613 wdev
->is_running
= true;
10619 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
10621 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10622 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10624 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
10625 return -EOPNOTSUPP
;
10627 if (!rdev
->ops
->stop_p2p_device
)
10628 return -EOPNOTSUPP
;
10630 cfg80211_stop_p2p_device(rdev
, wdev
);
10635 static int nl80211_start_nan(struct sk_buff
*skb
, struct genl_info
*info
)
10637 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10638 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10639 struct cfg80211_nan_conf conf
= {};
10642 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
10643 return -EOPNOTSUPP
;
10645 if (wdev_running(wdev
))
10648 if (rfkill_blocked(rdev
->rfkill
))
10651 if (!info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
])
10654 if (!info
->attrs
[NL80211_ATTR_NAN_DUAL
])
10658 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
10659 if (!conf
.master_pref
)
10662 conf
.dual
= nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_DUAL
]);
10664 err
= rdev_start_nan(rdev
, wdev
, &conf
);
10668 wdev
->is_running
= true;
10674 static int nl80211_stop_nan(struct sk_buff
*skb
, struct genl_info
*info
)
10676 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10677 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10679 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
10680 return -EOPNOTSUPP
;
10682 cfg80211_stop_nan(rdev
, wdev
);
10687 static int validate_nan_filter(struct nlattr
*filter_attr
)
10689 struct nlattr
*attr
;
10690 int len
= 0, n_entries
= 0, rem
;
10692 nla_for_each_nested(attr
, filter_attr
, rem
) {
10693 len
+= nla_len(attr
);
10703 static int handle_nan_filter(struct nlattr
*attr_filter
,
10704 struct cfg80211_nan_func
*func
,
10707 struct nlattr
*attr
;
10708 int n_entries
, rem
, i
;
10709 struct cfg80211_nan_func_filter
*filter
;
10711 n_entries
= validate_nan_filter(attr_filter
);
10715 BUILD_BUG_ON(sizeof(*func
->rx_filters
) != sizeof(*func
->tx_filters
));
10717 filter
= kcalloc(n_entries
, sizeof(*func
->rx_filters
), GFP_KERNEL
);
10722 nla_for_each_nested(attr
, attr_filter
, rem
) {
10723 filter
[i
].filter
= nla_memdup(attr
, GFP_KERNEL
);
10724 filter
[i
].len
= nla_len(attr
);
10728 func
->num_tx_filters
= n_entries
;
10729 func
->tx_filters
= filter
;
10731 func
->num_rx_filters
= n_entries
;
10732 func
->rx_filters
= filter
;
10738 static int nl80211_nan_add_func(struct sk_buff
*skb
,
10739 struct genl_info
*info
)
10741 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10742 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10743 struct nlattr
*tb
[NUM_NL80211_NAN_FUNC_ATTR
], *func_attr
;
10744 struct cfg80211_nan_func
*func
;
10745 struct sk_buff
*msg
= NULL
;
10749 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
10750 return -EOPNOTSUPP
;
10752 if (!wdev_running(wdev
))
10755 if (!info
->attrs
[NL80211_ATTR_NAN_FUNC
])
10758 if (wdev
->owner_nlportid
&&
10759 wdev
->owner_nlportid
!= info
->snd_portid
)
10762 err
= nla_parse_nested(tb
, NL80211_NAN_FUNC_ATTR_MAX
,
10763 info
->attrs
[NL80211_ATTR_NAN_FUNC
],
10764 nl80211_nan_func_policy
);
10768 func
= kzalloc(sizeof(*func
), GFP_KERNEL
);
10772 func
->cookie
= wdev
->wiphy
->cookie_counter
++;
10774 if (!tb
[NL80211_NAN_FUNC_TYPE
] ||
10775 nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]) > NL80211_NAN_FUNC_MAX_TYPE
) {
10781 func
->type
= nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]);
10783 if (!tb
[NL80211_NAN_FUNC_SERVICE_ID
]) {
10788 memcpy(func
->service_id
, nla_data(tb
[NL80211_NAN_FUNC_SERVICE_ID
]),
10789 sizeof(func
->service_id
));
10791 func
->close_range
=
10792 nla_get_flag(tb
[NL80211_NAN_FUNC_CLOSE_RANGE
]);
10794 if (tb
[NL80211_NAN_FUNC_SERVICE_INFO
]) {
10795 func
->serv_spec_info_len
=
10796 nla_len(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]);
10797 func
->serv_spec_info
=
10798 kmemdup(nla_data(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]),
10799 func
->serv_spec_info_len
,
10801 if (!func
->serv_spec_info
) {
10807 if (tb
[NL80211_NAN_FUNC_TTL
])
10808 func
->ttl
= nla_get_u32(tb
[NL80211_NAN_FUNC_TTL
]);
10810 switch (func
->type
) {
10811 case NL80211_NAN_FUNC_PUBLISH
:
10812 if (!tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]) {
10817 func
->publish_type
=
10818 nla_get_u8(tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]);
10819 func
->publish_bcast
=
10820 nla_get_flag(tb
[NL80211_NAN_FUNC_PUBLISH_BCAST
]);
10822 if ((!(func
->publish_type
& NL80211_NAN_SOLICITED_PUBLISH
)) &&
10823 func
->publish_bcast
) {
10828 case NL80211_NAN_FUNC_SUBSCRIBE
:
10829 func
->subscribe_active
=
10830 nla_get_flag(tb
[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
]);
10832 case NL80211_NAN_FUNC_FOLLOW_UP
:
10833 if (!tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
] ||
10834 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]) {
10839 func
->followup_id
=
10840 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
]);
10841 func
->followup_reqid
=
10842 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]);
10843 memcpy(func
->followup_dest
.addr
,
10844 nla_data(tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]),
10845 sizeof(func
->followup_dest
.addr
));
10856 if (tb
[NL80211_NAN_FUNC_SRF
]) {
10857 struct nlattr
*srf_tb
[NUM_NL80211_NAN_SRF_ATTR
];
10859 err
= nla_parse_nested(srf_tb
, NL80211_NAN_SRF_ATTR_MAX
,
10860 tb
[NL80211_NAN_FUNC_SRF
],
10861 nl80211_nan_srf_policy
);
10865 func
->srf_include
=
10866 nla_get_flag(srf_tb
[NL80211_NAN_SRF_INCLUDE
]);
10868 if (srf_tb
[NL80211_NAN_SRF_BF
]) {
10869 if (srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
] ||
10870 !srf_tb
[NL80211_NAN_SRF_BF_IDX
]) {
10876 nla_len(srf_tb
[NL80211_NAN_SRF_BF
]);
10878 kmemdup(nla_data(srf_tb
[NL80211_NAN_SRF_BF
]),
10879 func
->srf_bf_len
, GFP_KERNEL
);
10880 if (!func
->srf_bf
) {
10886 nla_get_u8(srf_tb
[NL80211_NAN_SRF_BF_IDX
]);
10888 struct nlattr
*attr
, *mac_attr
=
10889 srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
];
10890 int n_entries
, rem
, i
= 0;
10897 n_entries
= validate_acl_mac_addrs(mac_attr
);
10898 if (n_entries
<= 0) {
10903 func
->srf_num_macs
= n_entries
;
10905 kzalloc(sizeof(*func
->srf_macs
) * n_entries
,
10907 if (!func
->srf_macs
) {
10912 nla_for_each_nested(attr
, mac_attr
, rem
)
10913 memcpy(func
->srf_macs
[i
++].addr
, nla_data(attr
),
10914 sizeof(*func
->srf_macs
));
10918 if (tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
]) {
10919 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
],
10925 if (tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
]) {
10926 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
],
10932 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10938 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10939 NL80211_CMD_ADD_NAN_FUNCTION
);
10940 /* This can't really happen - we just allocated 4KB */
10941 if (WARN_ON(!hdr
)) {
10946 err
= rdev_add_nan_func(rdev
, wdev
, func
);
10949 cfg80211_free_nan_func(func
);
10954 /* propagate the instance id and cookie to userspace */
10955 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, func
->cookie
,
10957 goto nla_put_failure
;
10959 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
10961 goto nla_put_failure
;
10963 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
,
10964 func
->instance_id
))
10965 goto nla_put_failure
;
10967 nla_nest_end(msg
, func_attr
);
10969 genlmsg_end(msg
, hdr
);
10970 return genlmsg_reply(msg
, info
);
10977 static int nl80211_nan_del_func(struct sk_buff
*skb
,
10978 struct genl_info
*info
)
10980 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10981 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10984 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
10985 return -EOPNOTSUPP
;
10987 if (!wdev_running(wdev
))
10990 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
10993 if (wdev
->owner_nlportid
&&
10994 wdev
->owner_nlportid
!= info
->snd_portid
)
10997 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
10999 rdev_del_nan_func(rdev
, wdev
, cookie
);
11004 static int nl80211_nan_change_config(struct sk_buff
*skb
,
11005 struct genl_info
*info
)
11007 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11008 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11009 struct cfg80211_nan_conf conf
= {};
11012 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11013 return -EOPNOTSUPP
;
11015 if (!wdev_running(wdev
))
11018 if (info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]) {
11020 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11021 if (conf
.master_pref
<= 1 || conf
.master_pref
== 255)
11024 changed
|= CFG80211_NAN_CONF_CHANGED_PREF
;
11027 if (info
->attrs
[NL80211_ATTR_NAN_DUAL
]) {
11028 conf
.dual
= nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_DUAL
]);
11029 changed
|= CFG80211_NAN_CONF_CHANGED_DUAL
;
11035 return rdev_nan_change_conf(rdev
, wdev
, &conf
, changed
);
11038 void cfg80211_nan_match(struct wireless_dev
*wdev
,
11039 struct cfg80211_nan_match_params
*match
, gfp_t gfp
)
11041 struct wiphy
*wiphy
= wdev
->wiphy
;
11042 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11043 struct nlattr
*match_attr
, *local_func_attr
, *peer_func_attr
;
11044 struct sk_buff
*msg
;
11047 if (WARN_ON(!match
->inst_id
|| !match
->peer_inst_id
|| !match
->addr
))
11050 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11054 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NAN_MATCH
);
11060 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11061 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11062 wdev
->netdev
->ifindex
)) ||
11063 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11065 goto nla_put_failure
;
11067 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, match
->cookie
,
11068 NL80211_ATTR_PAD
) ||
11069 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, match
->addr
))
11070 goto nla_put_failure
;
11072 match_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_MATCH
);
11074 goto nla_put_failure
;
11076 local_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_LOCAL
);
11077 if (!local_func_attr
)
11078 goto nla_put_failure
;
11080 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->inst_id
))
11081 goto nla_put_failure
;
11083 nla_nest_end(msg
, local_func_attr
);
11085 peer_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_PEER
);
11086 if (!peer_func_attr
)
11087 goto nla_put_failure
;
11089 if (nla_put_u8(msg
, NL80211_NAN_FUNC_TYPE
, match
->type
) ||
11090 nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->peer_inst_id
))
11091 goto nla_put_failure
;
11093 if (match
->info
&& match
->info_len
&&
11094 nla_put(msg
, NL80211_NAN_FUNC_SERVICE_INFO
, match
->info_len
,
11096 goto nla_put_failure
;
11098 nla_nest_end(msg
, peer_func_attr
);
11099 nla_nest_end(msg
, match_attr
);
11100 genlmsg_end(msg
, hdr
);
11102 if (!wdev
->owner_nlportid
)
11103 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11104 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11106 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11107 wdev
->owner_nlportid
);
11114 EXPORT_SYMBOL(cfg80211_nan_match
);
11116 void cfg80211_nan_func_terminated(struct wireless_dev
*wdev
,
11118 enum nl80211_nan_func_term_reason reason
,
11119 u64 cookie
, gfp_t gfp
)
11121 struct wiphy
*wiphy
= wdev
->wiphy
;
11122 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11123 struct sk_buff
*msg
;
11124 struct nlattr
*func_attr
;
11127 if (WARN_ON(!inst_id
))
11130 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11134 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION
);
11140 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11141 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11142 wdev
->netdev
->ifindex
)) ||
11143 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11145 goto nla_put_failure
;
11147 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11149 goto nla_put_failure
;
11151 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11153 goto nla_put_failure
;
11155 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, inst_id
) ||
11156 nla_put_u8(msg
, NL80211_NAN_FUNC_TERM_REASON
, reason
))
11157 goto nla_put_failure
;
11159 nla_nest_end(msg
, func_attr
);
11160 genlmsg_end(msg
, hdr
);
11162 if (!wdev
->owner_nlportid
)
11163 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11164 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11166 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11167 wdev
->owner_nlportid
);
11174 EXPORT_SYMBOL(cfg80211_nan_func_terminated
);
11176 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
11177 struct genl_info
*info
)
11180 struct sk_buff
*msg
;
11182 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11186 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11187 NL80211_CMD_GET_PROTOCOL_FEATURES
);
11189 goto nla_put_failure
;
11191 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
11192 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
11193 goto nla_put_failure
;
11195 genlmsg_end(msg
, hdr
);
11196 return genlmsg_reply(msg
, info
);
11203 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
11205 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11206 struct cfg80211_update_ft_ies_params ft_params
;
11207 struct net_device
*dev
= info
->user_ptr
[1];
11209 if (!rdev
->ops
->update_ft_ies
)
11210 return -EOPNOTSUPP
;
11212 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
11213 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
11216 memset(&ft_params
, 0, sizeof(ft_params
));
11217 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
11218 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
11219 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
11221 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
11224 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
11225 struct genl_info
*info
)
11227 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11228 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11229 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
11233 if (!rdev
->ops
->crit_proto_start
)
11234 return -EOPNOTSUPP
;
11236 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
11239 if (rdev
->crit_proto_nlportid
)
11242 /* determine protocol if provided */
11243 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
11244 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
11246 if (proto
>= NUM_NL80211_CRIT_PROTO
)
11249 /* timeout must be provided */
11250 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
11254 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
11256 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
11259 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
11261 rdev
->crit_proto_nlportid
= info
->snd_portid
;
11266 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
11267 struct genl_info
*info
)
11269 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11270 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11272 if (!rdev
->ops
->crit_proto_stop
)
11273 return -EOPNOTSUPP
;
11275 if (rdev
->crit_proto_nlportid
) {
11276 rdev
->crit_proto_nlportid
= 0;
11277 rdev_crit_proto_stop(rdev
, wdev
);
11282 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
11284 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11285 struct wireless_dev
*wdev
=
11286 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
11290 if (!rdev
->wiphy
.vendor_commands
)
11291 return -EOPNOTSUPP
;
11293 if (IS_ERR(wdev
)) {
11294 err
= PTR_ERR(wdev
);
11295 if (err
!= -EINVAL
)
11298 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
11302 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
11303 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
11306 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
11307 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
11308 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
11309 const struct wiphy_vendor_command
*vcmd
;
11313 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
11315 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11318 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11319 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11322 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11326 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11327 if (!wdev_running(wdev
))
11332 return -EOPNOTSUPP
;
11337 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
11338 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11339 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11342 rdev
->cur_cmd_info
= info
;
11343 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
11345 rdev
->cur_cmd_info
= NULL
;
11349 return -EOPNOTSUPP
;
11352 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
11353 struct netlink_callback
*cb
,
11354 struct cfg80211_registered_device
**rdev
,
11355 struct wireless_dev
**wdev
)
11357 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
11363 unsigned int data_len
= 0;
11368 /* subtract the 1 again here */
11369 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
11370 struct wireless_dev
*tmp
;
11376 *rdev
= wiphy_to_rdev(wiphy
);
11380 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
11381 if (tmp
->identifier
== cb
->args
[1] - 1) {
11388 /* keep rtnl locked in successful case */
11392 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
11393 attrbuf
, nl80211_fam
.maxattr
, nl80211_policy
);
11397 if (!attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
11398 !attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]) {
11403 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11407 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11408 if (IS_ERR(*rdev
)) {
11409 err
= PTR_ERR(*rdev
);
11413 vid
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_ID
]);
11414 subcmd
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
11416 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
11417 const struct wiphy_vendor_command
*vcmd
;
11419 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
11421 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11424 if (!vcmd
->dumpit
) {
11433 if (vcmd_idx
< 0) {
11438 if (attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
11439 data
= nla_data(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11440 data_len
= nla_len(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11443 /* 0 is the first index - add 1 to parse only once */
11444 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
11445 /* add 1 to know if it was NULL */
11446 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
11447 cb
->args
[2] = vcmd_idx
;
11448 cb
->args
[3] = (unsigned long)data
;
11449 cb
->args
[4] = data_len
;
11451 /* keep rtnl locked in successful case */
11458 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
11459 struct netlink_callback
*cb
)
11461 struct cfg80211_registered_device
*rdev
;
11462 struct wireless_dev
*wdev
;
11463 unsigned int vcmd_idx
;
11464 const struct wiphy_vendor_command
*vcmd
;
11468 struct nlattr
*vendor_data
;
11470 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
11474 vcmd_idx
= cb
->args
[2];
11475 data
= (void *)cb
->args
[3];
11476 data_len
= cb
->args
[4];
11477 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
11479 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11480 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11483 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11487 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11488 if (!wdev_running(wdev
))
11494 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
11495 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
11496 NL80211_CMD_VENDOR
);
11500 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11501 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
11503 NL80211_ATTR_PAD
))) {
11504 genlmsg_cancel(skb
, hdr
);
11508 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
11509 if (!vendor_data
) {
11510 genlmsg_cancel(skb
, hdr
);
11514 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
11515 (unsigned long *)&cb
->args
[5]);
11516 nla_nest_end(skb
, vendor_data
);
11518 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
11519 genlmsg_cancel(skb
, hdr
);
11522 genlmsg_cancel(skb
, hdr
);
11526 genlmsg_end(skb
, hdr
);
11535 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
11536 enum nl80211_commands cmd
,
11537 enum nl80211_attrs attr
,
11540 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11542 if (WARN_ON(!rdev
->cur_cmd_info
))
11545 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
11546 rdev
->cur_cmd_info
->snd_portid
,
11547 rdev
->cur_cmd_info
->snd_seq
,
11548 cmd
, attr
, NULL
, GFP_KERNEL
);
11550 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
11552 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
11554 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
11555 void *hdr
= ((void **)skb
->cb
)[1];
11556 struct nlattr
*data
= ((void **)skb
->cb
)[2];
11558 /* clear CB data for netlink core to own from now on */
11559 memset(skb
->cb
, 0, sizeof(skb
->cb
));
11561 if (WARN_ON(!rdev
->cur_cmd_info
)) {
11566 nla_nest_end(skb
, data
);
11567 genlmsg_end(skb
, hdr
);
11568 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
11570 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
11572 static int nl80211_set_qos_map(struct sk_buff
*skb
,
11573 struct genl_info
*info
)
11575 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11576 struct cfg80211_qos_map
*qos_map
= NULL
;
11577 struct net_device
*dev
= info
->user_ptr
[1];
11578 u8
*pos
, len
, num_des
, des_len
, des
;
11581 if (!rdev
->ops
->set_qos_map
)
11582 return -EOPNOTSUPP
;
11584 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
11585 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
11586 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
11588 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
11589 len
> IEEE80211_QOS_MAP_LEN_MAX
)
11592 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
11596 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
11598 des_len
= num_des
*
11599 sizeof(struct cfg80211_dscp_exception
);
11600 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
11601 qos_map
->num_des
= num_des
;
11602 for (des
= 0; des
< num_des
; des
++) {
11603 if (qos_map
->dscp_exception
[des
].up
> 7) {
11610 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
11613 wdev_lock(dev
->ieee80211_ptr
);
11614 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
11616 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
11617 wdev_unlock(dev
->ieee80211_ptr
);
11623 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
11625 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11626 struct net_device
*dev
= info
->user_ptr
[1];
11627 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11630 u16 admitted_time
= 0;
11633 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
11634 return -EOPNOTSUPP
;
11636 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
11637 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
11640 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
11641 if (tsid
>= IEEE80211_NUM_TIDS
)
11644 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
11645 if (up
>= IEEE80211_NUM_UPS
)
11648 /* WMM uses TIDs 0-7 even for TSPEC */
11649 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
11650 /* TODO: handle 802.11 TSPEC/admission control
11651 * need more attributes for that (e.g. BA session requirement);
11652 * change the WMM adminssion test above to allow both then
11657 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11659 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
11661 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
11662 if (!admitted_time
)
11667 switch (wdev
->iftype
) {
11668 case NL80211_IFTYPE_STATION
:
11669 case NL80211_IFTYPE_P2P_CLIENT
:
11670 if (wdev
->current_bss
)
11679 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
11686 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
11688 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11689 struct net_device
*dev
= info
->user_ptr
[1];
11690 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11695 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
11698 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
11699 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11702 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
11708 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
11709 struct genl_info
*info
)
11711 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11712 struct net_device
*dev
= info
->user_ptr
[1];
11713 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11714 struct cfg80211_chan_def chandef
= {};
11719 if (!rdev
->ops
->tdls_channel_switch
||
11720 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
11721 return -EOPNOTSUPP
;
11723 switch (dev
->ieee80211_ptr
->iftype
) {
11724 case NL80211_IFTYPE_STATION
:
11725 case NL80211_IFTYPE_P2P_CLIENT
:
11728 return -EOPNOTSUPP
;
11731 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
11732 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
11735 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
11740 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
11741 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
11742 * specification is not defined for them.
11744 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
11745 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
11746 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
11749 /* we will be active on the TDLS link */
11750 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
11754 /* don't allow switching to DFS channels */
11755 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
11758 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11759 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
11762 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
11768 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
11769 struct genl_info
*info
)
11771 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11772 struct net_device
*dev
= info
->user_ptr
[1];
11773 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11776 if (!rdev
->ops
->tdls_channel_switch
||
11777 !rdev
->ops
->tdls_cancel_channel_switch
||
11778 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
11779 return -EOPNOTSUPP
;
11781 switch (dev
->ieee80211_ptr
->iftype
) {
11782 case NL80211_IFTYPE_STATION
:
11783 case NL80211_IFTYPE_P2P_CLIENT
:
11786 return -EOPNOTSUPP
;
11789 if (!info
->attrs
[NL80211_ATTR_MAC
])
11792 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11795 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
11801 static int nl80211_set_multicast_to_unicast(struct sk_buff
*skb
,
11802 struct genl_info
*info
)
11804 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11805 struct net_device
*dev
= info
->user_ptr
[1];
11806 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11807 const struct nlattr
*nla
;
11810 if (netif_running(dev
))
11813 if (!rdev
->ops
->set_multicast_to_unicast
)
11814 return -EOPNOTSUPP
;
11816 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11817 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11818 return -EOPNOTSUPP
;
11820 nla
= info
->attrs
[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
];
11821 enabled
= nla_get_flag(nla
);
11823 return rdev_set_multicast_to_unicast(rdev
, dev
, enabled
);
11826 #define NL80211_FLAG_NEED_WIPHY 0x01
11827 #define NL80211_FLAG_NEED_NETDEV 0x02
11828 #define NL80211_FLAG_NEED_RTNL 0x04
11829 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
11830 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
11831 NL80211_FLAG_CHECK_NETDEV_UP)
11832 #define NL80211_FLAG_NEED_WDEV 0x10
11833 /* If a netdev is associated, it must be UP, P2P must be started */
11834 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
11835 NL80211_FLAG_CHECK_NETDEV_UP)
11836 #define NL80211_FLAG_CLEAR_SKB 0x20
11838 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
11839 struct genl_info
*info
)
11841 struct cfg80211_registered_device
*rdev
;
11842 struct wireless_dev
*wdev
;
11843 struct net_device
*dev
;
11844 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
11849 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
11850 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
11851 if (IS_ERR(rdev
)) {
11854 return PTR_ERR(rdev
);
11856 info
->user_ptr
[0] = rdev
;
11857 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
11858 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
11861 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
11863 if (IS_ERR(wdev
)) {
11866 return PTR_ERR(wdev
);
11869 dev
= wdev
->netdev
;
11870 rdev
= wiphy_to_rdev(wdev
->wiphy
);
11872 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
11879 info
->user_ptr
[1] = dev
;
11881 info
->user_ptr
[1] = wdev
;
11884 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
11885 !wdev_running(wdev
)) {
11894 info
->user_ptr
[0] = rdev
;
11900 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
11901 struct genl_info
*info
)
11903 if (info
->user_ptr
[1]) {
11904 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
11905 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11908 dev_put(wdev
->netdev
);
11910 dev_put(info
->user_ptr
[1]);
11914 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
11917 /* If needed, clear the netlink message payload from the SKB
11918 * as it might contain key data that shouldn't stick around on
11919 * the heap after the SKB is freed. The netlink message header
11920 * is still needed for further processing, so leave it intact.
11922 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
11923 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
11925 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
11929 static const struct genl_ops nl80211_ops
[] = {
11931 .cmd
= NL80211_CMD_GET_WIPHY
,
11932 .doit
= nl80211_get_wiphy
,
11933 .dumpit
= nl80211_dump_wiphy
,
11934 .done
= nl80211_dump_wiphy_done
,
11935 .policy
= nl80211_policy
,
11936 /* can be retrieved by unprivileged users */
11937 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11938 NL80211_FLAG_NEED_RTNL
,
11941 .cmd
= NL80211_CMD_SET_WIPHY
,
11942 .doit
= nl80211_set_wiphy
,
11943 .policy
= nl80211_policy
,
11944 .flags
= GENL_UNS_ADMIN_PERM
,
11945 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
11948 .cmd
= NL80211_CMD_GET_INTERFACE
,
11949 .doit
= nl80211_get_interface
,
11950 .dumpit
= nl80211_dump_interface
,
11951 .policy
= nl80211_policy
,
11952 /* can be retrieved by unprivileged users */
11953 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11954 NL80211_FLAG_NEED_RTNL
,
11957 .cmd
= NL80211_CMD_SET_INTERFACE
,
11958 .doit
= nl80211_set_interface
,
11959 .policy
= nl80211_policy
,
11960 .flags
= GENL_UNS_ADMIN_PERM
,
11961 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11962 NL80211_FLAG_NEED_RTNL
,
11965 .cmd
= NL80211_CMD_NEW_INTERFACE
,
11966 .doit
= nl80211_new_interface
,
11967 .policy
= nl80211_policy
,
11968 .flags
= GENL_UNS_ADMIN_PERM
,
11969 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11970 NL80211_FLAG_NEED_RTNL
,
11973 .cmd
= NL80211_CMD_DEL_INTERFACE
,
11974 .doit
= nl80211_del_interface
,
11975 .policy
= nl80211_policy
,
11976 .flags
= GENL_UNS_ADMIN_PERM
,
11977 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11978 NL80211_FLAG_NEED_RTNL
,
11981 .cmd
= NL80211_CMD_GET_KEY
,
11982 .doit
= nl80211_get_key
,
11983 .policy
= nl80211_policy
,
11984 .flags
= GENL_UNS_ADMIN_PERM
,
11985 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11986 NL80211_FLAG_NEED_RTNL
,
11989 .cmd
= NL80211_CMD_SET_KEY
,
11990 .doit
= nl80211_set_key
,
11991 .policy
= nl80211_policy
,
11992 .flags
= GENL_UNS_ADMIN_PERM
,
11993 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11994 NL80211_FLAG_NEED_RTNL
|
11995 NL80211_FLAG_CLEAR_SKB
,
11998 .cmd
= NL80211_CMD_NEW_KEY
,
11999 .doit
= nl80211_new_key
,
12000 .policy
= nl80211_policy
,
12001 .flags
= GENL_UNS_ADMIN_PERM
,
12002 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12003 NL80211_FLAG_NEED_RTNL
|
12004 NL80211_FLAG_CLEAR_SKB
,
12007 .cmd
= NL80211_CMD_DEL_KEY
,
12008 .doit
= nl80211_del_key
,
12009 .policy
= nl80211_policy
,
12010 .flags
= GENL_UNS_ADMIN_PERM
,
12011 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12012 NL80211_FLAG_NEED_RTNL
,
12015 .cmd
= NL80211_CMD_SET_BEACON
,
12016 .policy
= nl80211_policy
,
12017 .flags
= GENL_UNS_ADMIN_PERM
,
12018 .doit
= nl80211_set_beacon
,
12019 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12020 NL80211_FLAG_NEED_RTNL
,
12023 .cmd
= NL80211_CMD_START_AP
,
12024 .policy
= nl80211_policy
,
12025 .flags
= GENL_UNS_ADMIN_PERM
,
12026 .doit
= nl80211_start_ap
,
12027 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12028 NL80211_FLAG_NEED_RTNL
,
12031 .cmd
= NL80211_CMD_STOP_AP
,
12032 .policy
= nl80211_policy
,
12033 .flags
= GENL_UNS_ADMIN_PERM
,
12034 .doit
= nl80211_stop_ap
,
12035 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12036 NL80211_FLAG_NEED_RTNL
,
12039 .cmd
= NL80211_CMD_GET_STATION
,
12040 .doit
= nl80211_get_station
,
12041 .dumpit
= nl80211_dump_station
,
12042 .policy
= nl80211_policy
,
12043 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12044 NL80211_FLAG_NEED_RTNL
,
12047 .cmd
= NL80211_CMD_SET_STATION
,
12048 .doit
= nl80211_set_station
,
12049 .policy
= nl80211_policy
,
12050 .flags
= GENL_UNS_ADMIN_PERM
,
12051 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12052 NL80211_FLAG_NEED_RTNL
,
12055 .cmd
= NL80211_CMD_NEW_STATION
,
12056 .doit
= nl80211_new_station
,
12057 .policy
= nl80211_policy
,
12058 .flags
= GENL_UNS_ADMIN_PERM
,
12059 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12060 NL80211_FLAG_NEED_RTNL
,
12063 .cmd
= NL80211_CMD_DEL_STATION
,
12064 .doit
= nl80211_del_station
,
12065 .policy
= nl80211_policy
,
12066 .flags
= GENL_UNS_ADMIN_PERM
,
12067 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12068 NL80211_FLAG_NEED_RTNL
,
12071 .cmd
= NL80211_CMD_GET_MPATH
,
12072 .doit
= nl80211_get_mpath
,
12073 .dumpit
= nl80211_dump_mpath
,
12074 .policy
= nl80211_policy
,
12075 .flags
= GENL_UNS_ADMIN_PERM
,
12076 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12077 NL80211_FLAG_NEED_RTNL
,
12080 .cmd
= NL80211_CMD_GET_MPP
,
12081 .doit
= nl80211_get_mpp
,
12082 .dumpit
= nl80211_dump_mpp
,
12083 .policy
= nl80211_policy
,
12084 .flags
= GENL_UNS_ADMIN_PERM
,
12085 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12086 NL80211_FLAG_NEED_RTNL
,
12089 .cmd
= NL80211_CMD_SET_MPATH
,
12090 .doit
= nl80211_set_mpath
,
12091 .policy
= nl80211_policy
,
12092 .flags
= GENL_UNS_ADMIN_PERM
,
12093 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12094 NL80211_FLAG_NEED_RTNL
,
12097 .cmd
= NL80211_CMD_NEW_MPATH
,
12098 .doit
= nl80211_new_mpath
,
12099 .policy
= nl80211_policy
,
12100 .flags
= GENL_UNS_ADMIN_PERM
,
12101 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12102 NL80211_FLAG_NEED_RTNL
,
12105 .cmd
= NL80211_CMD_DEL_MPATH
,
12106 .doit
= nl80211_del_mpath
,
12107 .policy
= nl80211_policy
,
12108 .flags
= GENL_UNS_ADMIN_PERM
,
12109 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12110 NL80211_FLAG_NEED_RTNL
,
12113 .cmd
= NL80211_CMD_SET_BSS
,
12114 .doit
= nl80211_set_bss
,
12115 .policy
= nl80211_policy
,
12116 .flags
= GENL_UNS_ADMIN_PERM
,
12117 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12118 NL80211_FLAG_NEED_RTNL
,
12121 .cmd
= NL80211_CMD_GET_REG
,
12122 .doit
= nl80211_get_reg_do
,
12123 .dumpit
= nl80211_get_reg_dump
,
12124 .policy
= nl80211_policy
,
12125 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12126 /* can be retrieved by unprivileged users */
12128 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12130 .cmd
= NL80211_CMD_SET_REG
,
12131 .doit
= nl80211_set_reg
,
12132 .policy
= nl80211_policy
,
12133 .flags
= GENL_ADMIN_PERM
,
12134 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12138 .cmd
= NL80211_CMD_REQ_SET_REG
,
12139 .doit
= nl80211_req_set_reg
,
12140 .policy
= nl80211_policy
,
12141 .flags
= GENL_ADMIN_PERM
,
12144 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
12145 .doit
= nl80211_get_mesh_config
,
12146 .policy
= nl80211_policy
,
12147 /* can be retrieved by unprivileged users */
12148 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12149 NL80211_FLAG_NEED_RTNL
,
12152 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
12153 .doit
= nl80211_update_mesh_config
,
12154 .policy
= nl80211_policy
,
12155 .flags
= GENL_UNS_ADMIN_PERM
,
12156 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12157 NL80211_FLAG_NEED_RTNL
,
12160 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
12161 .doit
= nl80211_trigger_scan
,
12162 .policy
= nl80211_policy
,
12163 .flags
= GENL_UNS_ADMIN_PERM
,
12164 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12165 NL80211_FLAG_NEED_RTNL
,
12168 .cmd
= NL80211_CMD_ABORT_SCAN
,
12169 .doit
= nl80211_abort_scan
,
12170 .policy
= nl80211_policy
,
12171 .flags
= GENL_UNS_ADMIN_PERM
,
12172 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12173 NL80211_FLAG_NEED_RTNL
,
12176 .cmd
= NL80211_CMD_GET_SCAN
,
12177 .policy
= nl80211_policy
,
12178 .dumpit
= nl80211_dump_scan
,
12181 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
12182 .doit
= nl80211_start_sched_scan
,
12183 .policy
= nl80211_policy
,
12184 .flags
= GENL_UNS_ADMIN_PERM
,
12185 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12186 NL80211_FLAG_NEED_RTNL
,
12189 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
12190 .doit
= nl80211_stop_sched_scan
,
12191 .policy
= nl80211_policy
,
12192 .flags
= GENL_UNS_ADMIN_PERM
,
12193 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12194 NL80211_FLAG_NEED_RTNL
,
12197 .cmd
= NL80211_CMD_AUTHENTICATE
,
12198 .doit
= nl80211_authenticate
,
12199 .policy
= nl80211_policy
,
12200 .flags
= GENL_UNS_ADMIN_PERM
,
12201 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12202 NL80211_FLAG_NEED_RTNL
|
12203 NL80211_FLAG_CLEAR_SKB
,
12206 .cmd
= NL80211_CMD_ASSOCIATE
,
12207 .doit
= nl80211_associate
,
12208 .policy
= nl80211_policy
,
12209 .flags
= GENL_UNS_ADMIN_PERM
,
12210 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12211 NL80211_FLAG_NEED_RTNL
,
12214 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
12215 .doit
= nl80211_deauthenticate
,
12216 .policy
= nl80211_policy
,
12217 .flags
= GENL_UNS_ADMIN_PERM
,
12218 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12219 NL80211_FLAG_NEED_RTNL
,
12222 .cmd
= NL80211_CMD_DISASSOCIATE
,
12223 .doit
= nl80211_disassociate
,
12224 .policy
= nl80211_policy
,
12225 .flags
= GENL_UNS_ADMIN_PERM
,
12226 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12227 NL80211_FLAG_NEED_RTNL
,
12230 .cmd
= NL80211_CMD_JOIN_IBSS
,
12231 .doit
= nl80211_join_ibss
,
12232 .policy
= nl80211_policy
,
12233 .flags
= GENL_UNS_ADMIN_PERM
,
12234 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12235 NL80211_FLAG_NEED_RTNL
,
12238 .cmd
= NL80211_CMD_LEAVE_IBSS
,
12239 .doit
= nl80211_leave_ibss
,
12240 .policy
= nl80211_policy
,
12241 .flags
= GENL_UNS_ADMIN_PERM
,
12242 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12243 NL80211_FLAG_NEED_RTNL
,
12245 #ifdef CONFIG_NL80211_TESTMODE
12247 .cmd
= NL80211_CMD_TESTMODE
,
12248 .doit
= nl80211_testmode_do
,
12249 .dumpit
= nl80211_testmode_dump
,
12250 .policy
= nl80211_policy
,
12251 .flags
= GENL_UNS_ADMIN_PERM
,
12252 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12253 NL80211_FLAG_NEED_RTNL
,
12257 .cmd
= NL80211_CMD_CONNECT
,
12258 .doit
= nl80211_connect
,
12259 .policy
= nl80211_policy
,
12260 .flags
= GENL_UNS_ADMIN_PERM
,
12261 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12262 NL80211_FLAG_NEED_RTNL
,
12265 .cmd
= NL80211_CMD_UPDATE_CONNECT_PARAMS
,
12266 .doit
= nl80211_update_connect_params
,
12267 .policy
= nl80211_policy
,
12268 .flags
= GENL_ADMIN_PERM
,
12269 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12270 NL80211_FLAG_NEED_RTNL
,
12273 .cmd
= NL80211_CMD_DISCONNECT
,
12274 .doit
= nl80211_disconnect
,
12275 .policy
= nl80211_policy
,
12276 .flags
= GENL_UNS_ADMIN_PERM
,
12277 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12278 NL80211_FLAG_NEED_RTNL
,
12281 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
12282 .doit
= nl80211_wiphy_netns
,
12283 .policy
= nl80211_policy
,
12284 .flags
= GENL_UNS_ADMIN_PERM
,
12285 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12286 NL80211_FLAG_NEED_RTNL
,
12289 .cmd
= NL80211_CMD_GET_SURVEY
,
12290 .policy
= nl80211_policy
,
12291 .dumpit
= nl80211_dump_survey
,
12294 .cmd
= NL80211_CMD_SET_PMKSA
,
12295 .doit
= nl80211_setdel_pmksa
,
12296 .policy
= nl80211_policy
,
12297 .flags
= GENL_UNS_ADMIN_PERM
,
12298 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12299 NL80211_FLAG_NEED_RTNL
,
12302 .cmd
= NL80211_CMD_DEL_PMKSA
,
12303 .doit
= nl80211_setdel_pmksa
,
12304 .policy
= nl80211_policy
,
12305 .flags
= GENL_UNS_ADMIN_PERM
,
12306 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12307 NL80211_FLAG_NEED_RTNL
,
12310 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
12311 .doit
= nl80211_flush_pmksa
,
12312 .policy
= nl80211_policy
,
12313 .flags
= GENL_UNS_ADMIN_PERM
,
12314 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12315 NL80211_FLAG_NEED_RTNL
,
12318 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
12319 .doit
= nl80211_remain_on_channel
,
12320 .policy
= nl80211_policy
,
12321 .flags
= GENL_UNS_ADMIN_PERM
,
12322 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12323 NL80211_FLAG_NEED_RTNL
,
12326 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12327 .doit
= nl80211_cancel_remain_on_channel
,
12328 .policy
= nl80211_policy
,
12329 .flags
= GENL_UNS_ADMIN_PERM
,
12330 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12331 NL80211_FLAG_NEED_RTNL
,
12334 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
12335 .doit
= nl80211_set_tx_bitrate_mask
,
12336 .policy
= nl80211_policy
,
12337 .flags
= GENL_UNS_ADMIN_PERM
,
12338 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12339 NL80211_FLAG_NEED_RTNL
,
12342 .cmd
= NL80211_CMD_REGISTER_FRAME
,
12343 .doit
= nl80211_register_mgmt
,
12344 .policy
= nl80211_policy
,
12345 .flags
= GENL_UNS_ADMIN_PERM
,
12346 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12347 NL80211_FLAG_NEED_RTNL
,
12350 .cmd
= NL80211_CMD_FRAME
,
12351 .doit
= nl80211_tx_mgmt
,
12352 .policy
= nl80211_policy
,
12353 .flags
= GENL_UNS_ADMIN_PERM
,
12354 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12355 NL80211_FLAG_NEED_RTNL
,
12358 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
12359 .doit
= nl80211_tx_mgmt_cancel_wait
,
12360 .policy
= nl80211_policy
,
12361 .flags
= GENL_UNS_ADMIN_PERM
,
12362 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12363 NL80211_FLAG_NEED_RTNL
,
12366 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
12367 .doit
= nl80211_set_power_save
,
12368 .policy
= nl80211_policy
,
12369 .flags
= GENL_UNS_ADMIN_PERM
,
12370 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12371 NL80211_FLAG_NEED_RTNL
,
12374 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
12375 .doit
= nl80211_get_power_save
,
12376 .policy
= nl80211_policy
,
12377 /* can be retrieved by unprivileged users */
12378 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12379 NL80211_FLAG_NEED_RTNL
,
12382 .cmd
= NL80211_CMD_SET_CQM
,
12383 .doit
= nl80211_set_cqm
,
12384 .policy
= nl80211_policy
,
12385 .flags
= GENL_UNS_ADMIN_PERM
,
12386 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12387 NL80211_FLAG_NEED_RTNL
,
12390 .cmd
= NL80211_CMD_SET_CHANNEL
,
12391 .doit
= nl80211_set_channel
,
12392 .policy
= nl80211_policy
,
12393 .flags
= GENL_UNS_ADMIN_PERM
,
12394 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12395 NL80211_FLAG_NEED_RTNL
,
12398 .cmd
= NL80211_CMD_SET_WDS_PEER
,
12399 .doit
= nl80211_set_wds_peer
,
12400 .policy
= nl80211_policy
,
12401 .flags
= GENL_UNS_ADMIN_PERM
,
12402 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12403 NL80211_FLAG_NEED_RTNL
,
12406 .cmd
= NL80211_CMD_JOIN_MESH
,
12407 .doit
= nl80211_join_mesh
,
12408 .policy
= nl80211_policy
,
12409 .flags
= GENL_UNS_ADMIN_PERM
,
12410 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12411 NL80211_FLAG_NEED_RTNL
,
12414 .cmd
= NL80211_CMD_LEAVE_MESH
,
12415 .doit
= nl80211_leave_mesh
,
12416 .policy
= nl80211_policy
,
12417 .flags
= GENL_UNS_ADMIN_PERM
,
12418 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12419 NL80211_FLAG_NEED_RTNL
,
12422 .cmd
= NL80211_CMD_JOIN_OCB
,
12423 .doit
= nl80211_join_ocb
,
12424 .policy
= nl80211_policy
,
12425 .flags
= GENL_UNS_ADMIN_PERM
,
12426 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12427 NL80211_FLAG_NEED_RTNL
,
12430 .cmd
= NL80211_CMD_LEAVE_OCB
,
12431 .doit
= nl80211_leave_ocb
,
12432 .policy
= nl80211_policy
,
12433 .flags
= GENL_UNS_ADMIN_PERM
,
12434 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12435 NL80211_FLAG_NEED_RTNL
,
12439 .cmd
= NL80211_CMD_GET_WOWLAN
,
12440 .doit
= nl80211_get_wowlan
,
12441 .policy
= nl80211_policy
,
12442 /* can be retrieved by unprivileged users */
12443 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12444 NL80211_FLAG_NEED_RTNL
,
12447 .cmd
= NL80211_CMD_SET_WOWLAN
,
12448 .doit
= nl80211_set_wowlan
,
12449 .policy
= nl80211_policy
,
12450 .flags
= GENL_UNS_ADMIN_PERM
,
12451 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12452 NL80211_FLAG_NEED_RTNL
,
12456 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
12457 .doit
= nl80211_set_rekey_data
,
12458 .policy
= nl80211_policy
,
12459 .flags
= GENL_UNS_ADMIN_PERM
,
12460 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12461 NL80211_FLAG_NEED_RTNL
|
12462 NL80211_FLAG_CLEAR_SKB
,
12465 .cmd
= NL80211_CMD_TDLS_MGMT
,
12466 .doit
= nl80211_tdls_mgmt
,
12467 .policy
= nl80211_policy
,
12468 .flags
= GENL_UNS_ADMIN_PERM
,
12469 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12470 NL80211_FLAG_NEED_RTNL
,
12473 .cmd
= NL80211_CMD_TDLS_OPER
,
12474 .doit
= nl80211_tdls_oper
,
12475 .policy
= nl80211_policy
,
12476 .flags
= GENL_UNS_ADMIN_PERM
,
12477 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12478 NL80211_FLAG_NEED_RTNL
,
12481 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
12482 .doit
= nl80211_register_unexpected_frame
,
12483 .policy
= nl80211_policy
,
12484 .flags
= GENL_UNS_ADMIN_PERM
,
12485 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12486 NL80211_FLAG_NEED_RTNL
,
12489 .cmd
= NL80211_CMD_PROBE_CLIENT
,
12490 .doit
= nl80211_probe_client
,
12491 .policy
= nl80211_policy
,
12492 .flags
= GENL_UNS_ADMIN_PERM
,
12493 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12494 NL80211_FLAG_NEED_RTNL
,
12497 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
12498 .doit
= nl80211_register_beacons
,
12499 .policy
= nl80211_policy
,
12500 .flags
= GENL_UNS_ADMIN_PERM
,
12501 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12502 NL80211_FLAG_NEED_RTNL
,
12505 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
12506 .doit
= nl80211_set_noack_map
,
12507 .policy
= nl80211_policy
,
12508 .flags
= GENL_UNS_ADMIN_PERM
,
12509 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12510 NL80211_FLAG_NEED_RTNL
,
12513 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
12514 .doit
= nl80211_start_p2p_device
,
12515 .policy
= nl80211_policy
,
12516 .flags
= GENL_UNS_ADMIN_PERM
,
12517 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12518 NL80211_FLAG_NEED_RTNL
,
12521 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
12522 .doit
= nl80211_stop_p2p_device
,
12523 .policy
= nl80211_policy
,
12524 .flags
= GENL_UNS_ADMIN_PERM
,
12525 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12526 NL80211_FLAG_NEED_RTNL
,
12529 .cmd
= NL80211_CMD_START_NAN
,
12530 .doit
= nl80211_start_nan
,
12531 .policy
= nl80211_policy
,
12532 .flags
= GENL_ADMIN_PERM
,
12533 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12534 NL80211_FLAG_NEED_RTNL
,
12537 .cmd
= NL80211_CMD_STOP_NAN
,
12538 .doit
= nl80211_stop_nan
,
12539 .policy
= nl80211_policy
,
12540 .flags
= GENL_ADMIN_PERM
,
12541 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12542 NL80211_FLAG_NEED_RTNL
,
12545 .cmd
= NL80211_CMD_ADD_NAN_FUNCTION
,
12546 .doit
= nl80211_nan_add_func
,
12547 .policy
= nl80211_policy
,
12548 .flags
= GENL_ADMIN_PERM
,
12549 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12550 NL80211_FLAG_NEED_RTNL
,
12553 .cmd
= NL80211_CMD_DEL_NAN_FUNCTION
,
12554 .doit
= nl80211_nan_del_func
,
12555 .policy
= nl80211_policy
,
12556 .flags
= GENL_ADMIN_PERM
,
12557 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12558 NL80211_FLAG_NEED_RTNL
,
12561 .cmd
= NL80211_CMD_CHANGE_NAN_CONFIG
,
12562 .doit
= nl80211_nan_change_config
,
12563 .policy
= nl80211_policy
,
12564 .flags
= GENL_ADMIN_PERM
,
12565 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12566 NL80211_FLAG_NEED_RTNL
,
12569 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
12570 .doit
= nl80211_set_mcast_rate
,
12571 .policy
= nl80211_policy
,
12572 .flags
= GENL_UNS_ADMIN_PERM
,
12573 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12574 NL80211_FLAG_NEED_RTNL
,
12577 .cmd
= NL80211_CMD_SET_MAC_ACL
,
12578 .doit
= nl80211_set_mac_acl
,
12579 .policy
= nl80211_policy
,
12580 .flags
= GENL_UNS_ADMIN_PERM
,
12581 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12582 NL80211_FLAG_NEED_RTNL
,
12585 .cmd
= NL80211_CMD_RADAR_DETECT
,
12586 .doit
= nl80211_start_radar_detection
,
12587 .policy
= nl80211_policy
,
12588 .flags
= GENL_UNS_ADMIN_PERM
,
12589 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12590 NL80211_FLAG_NEED_RTNL
,
12593 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
12594 .doit
= nl80211_get_protocol_features
,
12595 .policy
= nl80211_policy
,
12598 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
12599 .doit
= nl80211_update_ft_ies
,
12600 .policy
= nl80211_policy
,
12601 .flags
= GENL_UNS_ADMIN_PERM
,
12602 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12603 NL80211_FLAG_NEED_RTNL
,
12606 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
12607 .doit
= nl80211_crit_protocol_start
,
12608 .policy
= nl80211_policy
,
12609 .flags
= GENL_UNS_ADMIN_PERM
,
12610 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12611 NL80211_FLAG_NEED_RTNL
,
12614 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
12615 .doit
= nl80211_crit_protocol_stop
,
12616 .policy
= nl80211_policy
,
12617 .flags
= GENL_UNS_ADMIN_PERM
,
12618 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12619 NL80211_FLAG_NEED_RTNL
,
12622 .cmd
= NL80211_CMD_GET_COALESCE
,
12623 .doit
= nl80211_get_coalesce
,
12624 .policy
= nl80211_policy
,
12625 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12626 NL80211_FLAG_NEED_RTNL
,
12629 .cmd
= NL80211_CMD_SET_COALESCE
,
12630 .doit
= nl80211_set_coalesce
,
12631 .policy
= nl80211_policy
,
12632 .flags
= GENL_UNS_ADMIN_PERM
,
12633 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12634 NL80211_FLAG_NEED_RTNL
,
12637 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
12638 .doit
= nl80211_channel_switch
,
12639 .policy
= nl80211_policy
,
12640 .flags
= GENL_UNS_ADMIN_PERM
,
12641 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12642 NL80211_FLAG_NEED_RTNL
,
12645 .cmd
= NL80211_CMD_VENDOR
,
12646 .doit
= nl80211_vendor_cmd
,
12647 .dumpit
= nl80211_vendor_cmd_dump
,
12648 .policy
= nl80211_policy
,
12649 .flags
= GENL_UNS_ADMIN_PERM
,
12650 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12651 NL80211_FLAG_NEED_RTNL
,
12654 .cmd
= NL80211_CMD_SET_QOS_MAP
,
12655 .doit
= nl80211_set_qos_map
,
12656 .policy
= nl80211_policy
,
12657 .flags
= GENL_UNS_ADMIN_PERM
,
12658 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12659 NL80211_FLAG_NEED_RTNL
,
12662 .cmd
= NL80211_CMD_ADD_TX_TS
,
12663 .doit
= nl80211_add_tx_ts
,
12664 .policy
= nl80211_policy
,
12665 .flags
= GENL_UNS_ADMIN_PERM
,
12666 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12667 NL80211_FLAG_NEED_RTNL
,
12670 .cmd
= NL80211_CMD_DEL_TX_TS
,
12671 .doit
= nl80211_del_tx_ts
,
12672 .policy
= nl80211_policy
,
12673 .flags
= GENL_UNS_ADMIN_PERM
,
12674 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12675 NL80211_FLAG_NEED_RTNL
,
12678 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
12679 .doit
= nl80211_tdls_channel_switch
,
12680 .policy
= nl80211_policy
,
12681 .flags
= GENL_UNS_ADMIN_PERM
,
12682 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12683 NL80211_FLAG_NEED_RTNL
,
12686 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
12687 .doit
= nl80211_tdls_cancel_channel_switch
,
12688 .policy
= nl80211_policy
,
12689 .flags
= GENL_UNS_ADMIN_PERM
,
12690 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12691 NL80211_FLAG_NEED_RTNL
,
12694 .cmd
= NL80211_CMD_SET_MULTICAST_TO_UNICAST
,
12695 .doit
= nl80211_set_multicast_to_unicast
,
12696 .policy
= nl80211_policy
,
12697 .flags
= GENL_UNS_ADMIN_PERM
,
12698 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12699 NL80211_FLAG_NEED_RTNL
,
12703 static struct genl_family nl80211_fam __ro_after_init
= {
12704 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
12705 .hdrsize
= 0, /* no private header */
12706 .version
= 1, /* no particular meaning now */
12707 .maxattr
= NL80211_ATTR_MAX
,
12709 .pre_doit
= nl80211_pre_doit
,
12710 .post_doit
= nl80211_post_doit
,
12711 .module
= THIS_MODULE
,
12712 .ops
= nl80211_ops
,
12713 .n_ops
= ARRAY_SIZE(nl80211_ops
),
12714 .mcgrps
= nl80211_mcgrps
,
12715 .n_mcgrps
= ARRAY_SIZE(nl80211_mcgrps
),
12718 /* notification functions */
12720 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
12721 enum nl80211_commands cmd
)
12723 struct sk_buff
*msg
;
12724 struct nl80211_dump_wiphy_state state
= {};
12726 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
12727 cmd
!= NL80211_CMD_DEL_WIPHY
);
12729 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12733 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
12738 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12739 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
12742 void nl80211_notify_iface(struct cfg80211_registered_device
*rdev
,
12743 struct wireless_dev
*wdev
,
12744 enum nl80211_commands cmd
)
12746 struct sk_buff
*msg
;
12748 WARN_ON(cmd
!= NL80211_CMD_NEW_INTERFACE
&&
12749 cmd
!= NL80211_CMD_DEL_INTERFACE
);
12751 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12755 if (nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
,
12756 cmd
== NL80211_CMD_DEL_INTERFACE
) < 0) {
12761 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12762 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
12765 static int nl80211_add_scan_req(struct sk_buff
*msg
,
12766 struct cfg80211_registered_device
*rdev
)
12768 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
12769 struct nlattr
*nest
;
12775 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
12777 goto nla_put_failure
;
12778 for (i
= 0; i
< req
->n_ssids
; i
++) {
12779 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
12780 goto nla_put_failure
;
12782 nla_nest_end(msg
, nest
);
12784 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12786 goto nla_put_failure
;
12787 for (i
= 0; i
< req
->n_channels
; i
++) {
12788 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
12789 goto nla_put_failure
;
12791 nla_nest_end(msg
, nest
);
12794 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
12795 goto nla_put_failure
;
12798 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
12799 goto nla_put_failure
;
12801 if (req
->info
.scan_start_tsf
&&
12802 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
12803 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
12804 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
12805 req
->info
.tsf_bssid
)))
12806 goto nla_put_failure
;
12813 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
12814 struct cfg80211_registered_device
*rdev
,
12815 struct wireless_dev
*wdev
,
12816 u32 portid
, u32 seq
, int flags
,
12821 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
12825 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12826 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12827 wdev
->netdev
->ifindex
)) ||
12828 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
12830 goto nla_put_failure
;
12832 /* ignore errors and send incomplete event anyway */
12833 nl80211_add_scan_req(msg
, rdev
);
12835 genlmsg_end(msg
, hdr
);
12839 genlmsg_cancel(msg
, hdr
);
12844 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
12845 struct cfg80211_registered_device
*rdev
,
12846 struct net_device
*netdev
,
12847 u32 portid
, u32 seq
, int flags
, u32 cmd
)
12851 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
12855 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12856 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12857 goto nla_put_failure
;
12859 genlmsg_end(msg
, hdr
);
12863 genlmsg_cancel(msg
, hdr
);
12867 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
12868 struct wireless_dev
*wdev
)
12870 struct sk_buff
*msg
;
12872 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12876 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
12877 NL80211_CMD_TRIGGER_SCAN
) < 0) {
12882 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12883 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
12886 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
12887 struct wireless_dev
*wdev
, bool aborted
)
12889 struct sk_buff
*msg
;
12891 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12895 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
12896 aborted
? NL80211_CMD_SCAN_ABORTED
:
12897 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
12905 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
12906 struct sk_buff
*msg
)
12911 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12912 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
12915 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
12916 struct net_device
*netdev
)
12918 struct sk_buff
*msg
;
12920 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12924 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
12925 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
12930 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12931 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
12934 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
12935 struct net_device
*netdev
, u32 cmd
)
12937 struct sk_buff
*msg
;
12939 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12943 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
12948 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12949 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
12952 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
12953 struct regulatory_request
*request
)
12955 /* Userspace can always count this one always being set */
12956 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
12957 goto nla_put_failure
;
12959 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
12960 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12961 NL80211_REGDOM_TYPE_WORLD
))
12962 goto nla_put_failure
;
12963 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
12964 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12965 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
12966 goto nla_put_failure
;
12967 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
12968 request
->intersect
) {
12969 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12970 NL80211_REGDOM_TYPE_INTERSECTION
))
12971 goto nla_put_failure
;
12973 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
12974 NL80211_REGDOM_TYPE_COUNTRY
) ||
12975 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
12977 goto nla_put_failure
;
12980 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
12981 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
12984 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
12985 goto nla_put_failure
;
12988 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
12989 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
12990 goto nla_put_failure
;
13000 * This can happen on global regulatory changes or device specific settings
13001 * based on custom regulatory domains.
13003 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
13004 struct regulatory_request
*request
)
13006 struct sk_buff
*msg
;
13009 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13013 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
13019 if (nl80211_reg_change_event_fill(msg
, request
) == false)
13020 goto nla_put_failure
;
13022 genlmsg_end(msg
, hdr
);
13025 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
13026 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
13032 genlmsg_cancel(msg
, hdr
);
13036 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
13037 struct net_device
*netdev
,
13038 const u8
*buf
, size_t len
,
13039 enum nl80211_commands cmd
, gfp_t gfp
,
13042 struct sk_buff
*msg
;
13045 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13049 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13055 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13056 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13057 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
13058 goto nla_put_failure
;
13060 if (uapsd_queues
>= 0) {
13061 struct nlattr
*nla_wmm
=
13062 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
13064 goto nla_put_failure
;
13066 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
13068 goto nla_put_failure
;
13070 nla_nest_end(msg
, nla_wmm
);
13073 genlmsg_end(msg
, hdr
);
13075 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13076 NL80211_MCGRP_MLME
, gfp
);
13080 genlmsg_cancel(msg
, hdr
);
13084 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
13085 struct net_device
*netdev
, const u8
*buf
,
13086 size_t len
, gfp_t gfp
)
13088 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13089 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
13092 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
13093 struct net_device
*netdev
, const u8
*buf
,
13094 size_t len
, gfp_t gfp
, int uapsd_queues
)
13096 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13097 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
13100 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
13101 struct net_device
*netdev
, const u8
*buf
,
13102 size_t len
, gfp_t gfp
)
13104 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13105 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
13108 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
13109 struct net_device
*netdev
, const u8
*buf
,
13110 size_t len
, gfp_t gfp
)
13112 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13113 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
13116 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
13119 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13120 struct wiphy
*wiphy
= wdev
->wiphy
;
13121 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13122 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
13125 if (WARN_ON(len
< 2))
13128 if (ieee80211_is_deauth(mgmt
->frame_control
))
13129 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
13131 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
13133 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
13134 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
13136 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
13138 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
13139 struct net_device
*netdev
, int cmd
,
13140 const u8
*addr
, gfp_t gfp
)
13142 struct sk_buff
*msg
;
13145 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13149 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13155 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13156 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13157 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13158 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
13159 goto nla_put_failure
;
13161 genlmsg_end(msg
, hdr
);
13163 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13164 NL80211_MCGRP_MLME
, gfp
);
13168 genlmsg_cancel(msg
, hdr
);
13172 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
13173 struct net_device
*netdev
, const u8
*addr
,
13176 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
13180 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
13181 struct net_device
*netdev
, const u8
*addr
,
13184 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
13188 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
13189 struct net_device
*netdev
, const u8
*bssid
,
13190 const u8
*req_ie
, size_t req_ie_len
,
13191 const u8
*resp_ie
, size_t resp_ie_len
,
13192 int status
, gfp_t gfp
)
13194 struct sk_buff
*msg
;
13197 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13201 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
13207 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13208 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13209 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
13210 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
13211 status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
13213 (status
< 0 && nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
)) ||
13215 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
13217 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
13218 goto nla_put_failure
;
13220 genlmsg_end(msg
, hdr
);
13222 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13223 NL80211_MCGRP_MLME
, gfp
);
13227 genlmsg_cancel(msg
, hdr
);
13231 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
13232 struct net_device
*netdev
, const u8
*bssid
,
13233 const u8
*req_ie
, size_t req_ie_len
,
13234 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
13236 struct sk_buff
*msg
;
13239 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13243 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
13249 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13250 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13251 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
13253 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
13255 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
13256 goto nla_put_failure
;
13258 genlmsg_end(msg
, hdr
);
13260 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13261 NL80211_MCGRP_MLME
, gfp
);
13265 genlmsg_cancel(msg
, hdr
);
13269 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
13270 struct net_device
*netdev
, u16 reason
,
13271 const u8
*ie
, size_t ie_len
, bool from_ap
)
13273 struct sk_buff
*msg
;
13276 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13280 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
13286 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13287 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13288 (from_ap
&& reason
&&
13289 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
13291 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
13292 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
13293 goto nla_put_failure
;
13295 genlmsg_end(msg
, hdr
);
13297 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13298 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13302 genlmsg_cancel(msg
, hdr
);
13306 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
13307 struct net_device
*netdev
, const u8
*bssid
,
13310 struct sk_buff
*msg
;
13313 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13317 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
13323 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13324 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13325 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13326 goto nla_put_failure
;
13328 genlmsg_end(msg
, hdr
);
13330 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13331 NL80211_MCGRP_MLME
, gfp
);
13335 genlmsg_cancel(msg
, hdr
);
13339 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
13340 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
13342 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13343 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13344 struct sk_buff
*msg
;
13347 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
13350 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
13352 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13356 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
13362 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13363 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13364 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
13366 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
13367 goto nla_put_failure
;
13369 genlmsg_end(msg
, hdr
);
13371 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13372 NL80211_MCGRP_MLME
, gfp
);
13376 genlmsg_cancel(msg
, hdr
);
13379 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
13381 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
13382 struct net_device
*netdev
, const u8
*addr
,
13383 enum nl80211_key_type key_type
, int key_id
,
13384 const u8
*tsc
, gfp_t gfp
)
13386 struct sk_buff
*msg
;
13389 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13393 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
13399 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13400 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13401 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
13402 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
13404 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
13405 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
13406 goto nla_put_failure
;
13408 genlmsg_end(msg
, hdr
);
13410 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13411 NL80211_MCGRP_MLME
, gfp
);
13415 genlmsg_cancel(msg
, hdr
);
13419 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
13420 struct ieee80211_channel
*channel_before
,
13421 struct ieee80211_channel
*channel_after
)
13423 struct sk_buff
*msg
;
13425 struct nlattr
*nl_freq
;
13427 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
13431 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
13438 * Since we are applying the beacon hint to a wiphy we know its
13439 * wiphy_idx is valid
13441 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
13442 goto nla_put_failure
;
13445 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
13447 goto nla_put_failure
;
13448 if (nl80211_msg_put_channel(msg
, channel_before
, false))
13449 goto nla_put_failure
;
13450 nla_nest_end(msg
, nl_freq
);
13453 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
13455 goto nla_put_failure
;
13456 if (nl80211_msg_put_channel(msg
, channel_after
, false))
13457 goto nla_put_failure
;
13458 nla_nest_end(msg
, nl_freq
);
13460 genlmsg_end(msg
, hdr
);
13463 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
13464 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
13470 genlmsg_cancel(msg
, hdr
);
13474 static void nl80211_send_remain_on_chan_event(
13475 int cmd
, struct cfg80211_registered_device
*rdev
,
13476 struct wireless_dev
*wdev
, u64 cookie
,
13477 struct ieee80211_channel
*chan
,
13478 unsigned int duration
, gfp_t gfp
)
13480 struct sk_buff
*msg
;
13483 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13487 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13493 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13494 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13495 wdev
->netdev
->ifindex
)) ||
13496 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13497 NL80211_ATTR_PAD
) ||
13498 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
13499 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
13500 NL80211_CHAN_NO_HT
) ||
13501 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
13503 goto nla_put_failure
;
13505 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
13506 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
13507 goto nla_put_failure
;
13509 genlmsg_end(msg
, hdr
);
13511 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13512 NL80211_MCGRP_MLME
, gfp
);
13516 genlmsg_cancel(msg
, hdr
);
13520 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
13521 struct ieee80211_channel
*chan
,
13522 unsigned int duration
, gfp_t gfp
)
13524 struct wiphy
*wiphy
= wdev
->wiphy
;
13525 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13527 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
13528 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
13529 rdev
, wdev
, cookie
, chan
,
13532 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
13534 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
13535 struct ieee80211_channel
*chan
,
13538 struct wiphy
*wiphy
= wdev
->wiphy
;
13539 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13541 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
13542 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
13543 rdev
, wdev
, cookie
, chan
, 0, gfp
);
13545 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
13547 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
13548 struct station_info
*sinfo
, gfp_t gfp
)
13550 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
13551 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13552 struct sk_buff
*msg
;
13554 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
13556 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13560 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
13561 rdev
, dev
, mac_addr
, sinfo
) < 0) {
13566 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13567 NL80211_MCGRP_MLME
, gfp
);
13569 EXPORT_SYMBOL(cfg80211_new_sta
);
13571 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
13572 struct station_info
*sinfo
, gfp_t gfp
)
13574 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
13575 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13576 struct sk_buff
*msg
;
13577 struct station_info empty_sinfo
= {};
13580 sinfo
= &empty_sinfo
;
13582 trace_cfg80211_del_sta(dev
, mac_addr
);
13584 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13588 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
13589 rdev
, dev
, mac_addr
, sinfo
) < 0) {
13594 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13595 NL80211_MCGRP_MLME
, gfp
);
13597 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
13599 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
13600 enum nl80211_connect_failed_reason reason
,
13603 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
13604 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13605 struct sk_buff
*msg
;
13608 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
13612 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
13618 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13619 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
13620 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
13621 goto nla_put_failure
;
13623 genlmsg_end(msg
, hdr
);
13625 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13626 NL80211_MCGRP_MLME
, gfp
);
13630 genlmsg_cancel(msg
, hdr
);
13633 EXPORT_SYMBOL(cfg80211_conn_failed
);
13635 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
13636 const u8
*addr
, gfp_t gfp
)
13638 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13639 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13640 struct sk_buff
*msg
;
13642 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
13647 msg
= nlmsg_new(100, gfp
);
13651 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13657 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13658 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13659 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
13660 goto nla_put_failure
;
13662 genlmsg_end(msg
, hdr
);
13663 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
13667 genlmsg_cancel(msg
, hdr
);
13672 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
13673 const u8
*addr
, gfp_t gfp
)
13675 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13678 trace_cfg80211_rx_spurious_frame(dev
, addr
);
13680 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
13681 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
13682 trace_cfg80211_return_bool(false);
13685 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
13687 trace_cfg80211_return_bool(ret
);
13690 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
13692 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
13693 const u8
*addr
, gfp_t gfp
)
13695 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13698 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
13700 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
13701 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
13702 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
13703 trace_cfg80211_return_bool(false);
13706 ret
= __nl80211_unexpected_frame(dev
,
13707 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
13709 trace_cfg80211_return_bool(ret
);
13712 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
13714 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
13715 struct wireless_dev
*wdev
, u32 nlportid
,
13716 int freq
, int sig_dbm
,
13717 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
13719 struct net_device
*netdev
= wdev
->netdev
;
13720 struct sk_buff
*msg
;
13723 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13727 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
13733 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13734 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13735 netdev
->ifindex
)) ||
13736 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13737 NL80211_ATTR_PAD
) ||
13738 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
13740 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
13741 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
13743 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
13744 goto nla_put_failure
;
13746 genlmsg_end(msg
, hdr
);
13748 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
13751 genlmsg_cancel(msg
, hdr
);
13756 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
13757 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
13759 struct wiphy
*wiphy
= wdev
->wiphy
;
13760 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13761 struct net_device
*netdev
= wdev
->netdev
;
13762 struct sk_buff
*msg
;
13765 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
13767 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13771 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
13777 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13778 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13779 netdev
->ifindex
)) ||
13780 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13781 NL80211_ATTR_PAD
) ||
13782 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
13783 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
13784 NL80211_ATTR_PAD
) ||
13785 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
13786 goto nla_put_failure
;
13788 genlmsg_end(msg
, hdr
);
13790 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13791 NL80211_MCGRP_MLME
, gfp
);
13795 genlmsg_cancel(msg
, hdr
);
13798 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
13800 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
13801 const char *mac
, gfp_t gfp
)
13803 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13804 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13805 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13811 cb
= (void **)msg
->cb
;
13813 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
13819 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13820 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
13821 goto nla_put_failure
;
13823 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
13824 goto nla_put_failure
;
13826 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
13828 goto nla_put_failure
;
13838 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
13840 void **cb
= (void **)msg
->cb
;
13841 struct cfg80211_registered_device
*rdev
= cb
[2];
13843 nla_nest_end(msg
, cb
[1]);
13844 genlmsg_end(msg
, cb
[0]);
13846 memset(msg
->cb
, 0, sizeof(msg
->cb
));
13848 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13849 NL80211_MCGRP_MLME
, gfp
);
13852 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
13853 enum nl80211_cqm_rssi_threshold_event rssi_event
,
13856 struct sk_buff
*msg
;
13858 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
13860 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
13861 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
13864 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
13868 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
13870 goto nla_put_failure
;
13872 cfg80211_send_cqm(msg
, gfp
);
13879 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
13881 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
13882 const u8
*peer
, u32 num_packets
,
13883 u32 rate
, u32 intvl
, gfp_t gfp
)
13885 struct sk_buff
*msg
;
13887 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
13891 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
13892 goto nla_put_failure
;
13894 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
13895 goto nla_put_failure
;
13897 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
13898 goto nla_put_failure
;
13900 cfg80211_send_cqm(msg
, gfp
);
13906 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
13908 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
13909 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
13911 struct sk_buff
*msg
;
13913 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
13915 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
13919 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
13920 goto nla_put_failure
;
13922 cfg80211_send_cqm(msg
, gfp
);
13928 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
13930 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
13932 struct sk_buff
*msg
;
13934 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
13938 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
13939 goto nla_put_failure
;
13941 cfg80211_send_cqm(msg
, gfp
);
13947 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
13949 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
13950 struct net_device
*netdev
, const u8
*bssid
,
13951 const u8
*replay_ctr
, gfp_t gfp
)
13953 struct sk_buff
*msg
;
13954 struct nlattr
*rekey_attr
;
13957 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13961 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
13967 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13968 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13969 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13970 goto nla_put_failure
;
13972 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
13974 goto nla_put_failure
;
13976 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
13977 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
13978 goto nla_put_failure
;
13980 nla_nest_end(msg
, rekey_attr
);
13982 genlmsg_end(msg
, hdr
);
13984 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13985 NL80211_MCGRP_MLME
, gfp
);
13989 genlmsg_cancel(msg
, hdr
);
13993 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
13994 const u8
*replay_ctr
, gfp_t gfp
)
13996 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13997 struct wiphy
*wiphy
= wdev
->wiphy
;
13998 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14000 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
14001 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
14003 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
14006 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
14007 struct net_device
*netdev
, int index
,
14008 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14010 struct sk_buff
*msg
;
14011 struct nlattr
*attr
;
14014 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14018 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
14024 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14025 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14026 goto nla_put_failure
;
14028 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
14030 goto nla_put_failure
;
14032 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
14033 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
14035 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
14036 goto nla_put_failure
;
14038 nla_nest_end(msg
, attr
);
14040 genlmsg_end(msg
, hdr
);
14042 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14043 NL80211_MCGRP_MLME
, gfp
);
14047 genlmsg_cancel(msg
, hdr
);
14051 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
14052 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14054 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14055 struct wiphy
*wiphy
= wdev
->wiphy
;
14056 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14058 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
14059 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
14061 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
14063 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
14064 struct net_device
*netdev
,
14065 struct cfg80211_chan_def
*chandef
,
14067 enum nl80211_commands notif
,
14070 struct sk_buff
*msg
;
14073 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14077 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
14083 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14084 goto nla_put_failure
;
14086 if (nl80211_send_chandef(msg
, chandef
))
14087 goto nla_put_failure
;
14089 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
14090 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
14091 goto nla_put_failure
;
14093 genlmsg_end(msg
, hdr
);
14095 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14096 NL80211_MCGRP_MLME
, gfp
);
14100 genlmsg_cancel(msg
, hdr
);
14104 void cfg80211_ch_switch_notify(struct net_device
*dev
,
14105 struct cfg80211_chan_def
*chandef
)
14107 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14108 struct wiphy
*wiphy
= wdev
->wiphy
;
14109 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14111 ASSERT_WDEV_LOCK(wdev
);
14113 trace_cfg80211_ch_switch_notify(dev
, chandef
);
14115 wdev
->chandef
= *chandef
;
14116 wdev
->preset_chandef
= *chandef
;
14117 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14118 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
14120 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
14122 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
14123 struct cfg80211_chan_def
*chandef
,
14126 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14127 struct wiphy
*wiphy
= wdev
->wiphy
;
14128 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14130 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
14132 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14133 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
14135 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
14138 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
14139 const struct cfg80211_chan_def
*chandef
,
14140 enum nl80211_radar_event event
,
14141 struct net_device
*netdev
, gfp_t gfp
)
14143 struct sk_buff
*msg
;
14146 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14150 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
14156 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
14157 goto nla_put_failure
;
14159 /* NOP and radar events don't need a netdev parameter */
14161 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
14163 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14164 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14166 goto nla_put_failure
;
14169 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
14170 goto nla_put_failure
;
14172 if (nl80211_send_chandef(msg
, chandef
))
14173 goto nla_put_failure
;
14175 genlmsg_end(msg
, hdr
);
14177 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14178 NL80211_MCGRP_MLME
, gfp
);
14182 genlmsg_cancel(msg
, hdr
);
14186 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
14187 u64 cookie
, bool acked
, gfp_t gfp
)
14189 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14190 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14191 struct sk_buff
*msg
;
14194 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
14196 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14201 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
14207 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14208 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14209 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14210 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14211 NL80211_ATTR_PAD
) ||
14212 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14213 goto nla_put_failure
;
14215 genlmsg_end(msg
, hdr
);
14217 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14218 NL80211_MCGRP_MLME
, gfp
);
14222 genlmsg_cancel(msg
, hdr
);
14225 EXPORT_SYMBOL(cfg80211_probe_status
);
14227 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
14228 const u8
*frame
, size_t len
,
14229 int freq
, int sig_dbm
)
14231 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14232 struct sk_buff
*msg
;
14234 struct cfg80211_beacon_registration
*reg
;
14236 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
14238 spin_lock_bh(&rdev
->beacon_registrations_lock
);
14239 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
14240 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
14242 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14246 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14248 goto nla_put_failure
;
14250 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14252 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
14254 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14255 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
14256 goto nla_put_failure
;
14258 genlmsg_end(msg
, hdr
);
14260 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
14262 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14266 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14268 genlmsg_cancel(msg
, hdr
);
14271 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
14274 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
14275 struct cfg80211_wowlan_wakeup
*wakeup
)
14277 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
14278 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
14281 nl_results
= nla_nest_start(
14282 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
14286 for (i
= 0; i
< nd
->n_matches
; i
++) {
14287 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
14289 nl_match
= nla_nest_start(msg
, i
);
14293 /* The SSID attribute is optional in nl80211, but for
14294 * simplicity reasons it's always present in the
14295 * cfg80211 structure. If a driver can't pass the
14296 * SSID, that needs to be changed. A zero length SSID
14297 * is still a valid SSID (wildcard), so it cannot be
14298 * used for this purpose.
14300 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
14301 match
->ssid
.ssid
)) {
14302 nla_nest_cancel(msg
, nl_match
);
14306 if (match
->n_channels
) {
14307 nl_freqs
= nla_nest_start(
14308 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
14310 nla_nest_cancel(msg
, nl_match
);
14314 for (j
= 0; j
< match
->n_channels
; j
++) {
14315 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
14316 nla_nest_cancel(msg
, nl_freqs
);
14317 nla_nest_cancel(msg
, nl_match
);
14322 nla_nest_end(msg
, nl_freqs
);
14325 nla_nest_end(msg
, nl_match
);
14329 nla_nest_end(msg
, nl_results
);
14333 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
14334 struct cfg80211_wowlan_wakeup
*wakeup
,
14337 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14338 struct sk_buff
*msg
;
14342 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
14345 size
+= wakeup
->packet_present_len
;
14347 msg
= nlmsg_new(size
, gfp
);
14351 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
14355 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14356 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14360 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14361 wdev
->netdev
->ifindex
))
14365 struct nlattr
*reasons
;
14367 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
14371 if (wakeup
->disconnect
&&
14372 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
14374 if (wakeup
->magic_pkt
&&
14375 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
14377 if (wakeup
->gtk_rekey_failure
&&
14378 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
14380 if (wakeup
->eap_identity_req
&&
14381 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
14383 if (wakeup
->four_way_handshake
&&
14384 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
14386 if (wakeup
->rfkill_release
&&
14387 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
14390 if (wakeup
->pattern_idx
>= 0 &&
14391 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
14392 wakeup
->pattern_idx
))
14395 if (wakeup
->tcp_match
&&
14396 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
14399 if (wakeup
->tcp_connlost
&&
14400 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
14403 if (wakeup
->tcp_nomoretokens
&&
14405 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
14408 if (wakeup
->packet
) {
14409 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
14410 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
14412 if (!wakeup
->packet_80211
) {
14414 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
14416 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
14419 if (wakeup
->packet_len
&&
14420 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
14423 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
14428 if (wakeup
->net_detect
&&
14429 cfg80211_net_detect_results(msg
, wakeup
))
14432 nla_nest_end(msg
, reasons
);
14435 genlmsg_end(msg
, hdr
);
14437 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14438 NL80211_MCGRP_MLME
, gfp
);
14444 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
14447 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
14448 enum nl80211_tdls_operation oper
,
14449 u16 reason_code
, gfp_t gfp
)
14451 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14452 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14453 struct sk_buff
*msg
;
14456 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
14459 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14463 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
14469 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14470 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14471 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
14472 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
14473 (reason_code
> 0 &&
14474 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
14475 goto nla_put_failure
;
14477 genlmsg_end(msg
, hdr
);
14479 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14480 NL80211_MCGRP_MLME
, gfp
);
14484 genlmsg_cancel(msg
, hdr
);
14487 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
14489 static int nl80211_netlink_notify(struct notifier_block
* nb
,
14490 unsigned long state
,
14493 struct netlink_notify
*notify
= _notify
;
14494 struct cfg80211_registered_device
*rdev
;
14495 struct wireless_dev
*wdev
;
14496 struct cfg80211_beacon_registration
*reg
, *tmp
;
14498 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
14499 return NOTIFY_DONE
;
14503 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
14504 bool schedule_destroy_work
= false;
14505 bool schedule_scan_stop
= false;
14506 struct cfg80211_sched_scan_request
*sched_scan_req
=
14507 rcu_dereference(rdev
->sched_scan_req
);
14509 if (sched_scan_req
&& notify
->portid
&&
14510 sched_scan_req
->owner_nlportid
== notify
->portid
)
14511 schedule_scan_stop
= true;
14513 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
14514 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
14516 if (wdev
->owner_nlportid
== notify
->portid
)
14517 schedule_destroy_work
= true;
14520 spin_lock_bh(&rdev
->beacon_registrations_lock
);
14521 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
14523 if (reg
->nlportid
== notify
->portid
) {
14524 list_del(®
->list
);
14529 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14531 if (schedule_destroy_work
) {
14532 struct cfg80211_iface_destroy
*destroy
;
14534 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
14536 destroy
->nlportid
= notify
->portid
;
14537 spin_lock(&rdev
->destroy_list_lock
);
14538 list_add(&destroy
->list
, &rdev
->destroy_list
);
14539 spin_unlock(&rdev
->destroy_list_lock
);
14540 schedule_work(&rdev
->destroy_work
);
14542 } else if (schedule_scan_stop
) {
14543 sched_scan_req
->owner_nlportid
= 0;
14545 if (rdev
->ops
->sched_scan_stop
&&
14546 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
14547 schedule_work(&rdev
->sched_scan_stop_wk
);
14554 * It is possible that the user space process that is controlling the
14555 * indoor setting disappeared, so notify the regulatory core.
14557 regulatory_netlink_notify(notify
->portid
);
14561 static struct notifier_block nl80211_netlink_notifier
= {
14562 .notifier_call
= nl80211_netlink_notify
,
14565 void cfg80211_ft_event(struct net_device
*netdev
,
14566 struct cfg80211_ft_event_params
*ft_event
)
14568 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
14569 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14570 struct sk_buff
*msg
;
14573 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
14575 if (!ft_event
->target_ap
)
14578 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14582 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
14586 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14587 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14588 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
14591 if (ft_event
->ies
&&
14592 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
14594 if (ft_event
->ric_ies
&&
14595 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
14596 ft_event
->ric_ies
))
14599 genlmsg_end(msg
, hdr
);
14601 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14602 NL80211_MCGRP_MLME
, GFP_KERNEL
);
14607 EXPORT_SYMBOL(cfg80211_ft_event
);
14609 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
14611 struct cfg80211_registered_device
*rdev
;
14612 struct sk_buff
*msg
;
14616 rdev
= wiphy_to_rdev(wdev
->wiphy
);
14617 if (!rdev
->crit_proto_nlportid
)
14620 nlportid
= rdev
->crit_proto_nlportid
;
14621 rdev
->crit_proto_nlportid
= 0;
14623 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14627 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
14629 goto nla_put_failure
;
14631 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14632 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14634 goto nla_put_failure
;
14636 genlmsg_end(msg
, hdr
);
14638 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14643 genlmsg_cancel(msg
, hdr
);
14646 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
14648 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
14650 struct wiphy
*wiphy
= wdev
->wiphy
;
14651 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14652 struct sk_buff
*msg
;
14655 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
14659 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
14663 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14664 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
14665 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14669 genlmsg_end(msg
, hdr
);
14671 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
14672 NL80211_MCGRP_MLME
, GFP_KERNEL
);
14678 /* initialisation/exit functions */
14680 int __init
nl80211_init(void)
14684 err
= genl_register_family(&nl80211_fam
);
14688 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
14694 genl_unregister_family(&nl80211_fam
);
14698 void nl80211_exit(void)
14700 netlink_unregister_notifier(&nl80211_netlink_notifier
);
14701 genl_unregister_family(&nl80211_fam
);