2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
6 * Copyright 2015-2017 Intel Deutschland GmbH
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
] = { .len
= WLAN_PMKID_LEN
},
295 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
296 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
297 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
298 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
299 .len
= IEEE80211_MAX_DATA_LEN
},
300 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
301 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
302 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
303 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
304 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
305 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
306 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
307 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
308 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
309 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
310 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
311 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
312 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
313 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
314 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
315 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
316 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
317 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
318 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
319 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
320 .len
= IEEE80211_MAX_DATA_LEN
},
321 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
322 .len
= IEEE80211_MAX_DATA_LEN
},
323 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
324 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
325 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
326 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
327 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
328 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
329 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
330 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
331 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
332 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
333 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
334 .len
= IEEE80211_MAX_DATA_LEN
},
335 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
336 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
337 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
338 .len
= NL80211_HT_CAPABILITY_LEN
340 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
341 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
342 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
343 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
344 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
345 [NL80211_ATTR_AUTH_DATA
] = { .type
= NLA_BINARY
, },
346 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
347 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
348 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
349 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
350 [NL80211_ATTR_LOCAL_MESH_POWER_MODE
] = {. type
= NLA_U32
},
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_BANDS
] = { .type
= NLA_U32
},
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
},
408 [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] = { .type
= NLA_S8
},
409 [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
] = {
410 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
412 [NL80211_ATTR_TIMEOUT_REASON
] = { .type
= NLA_U32
},
413 [NL80211_ATTR_FILS_ERP_USERNAME
] = { .type
= NLA_BINARY
,
414 .len
= FILS_ERP_MAX_USERNAME_LEN
},
415 [NL80211_ATTR_FILS_ERP_REALM
] = { .type
= NLA_BINARY
,
416 .len
= FILS_ERP_MAX_REALM_LEN
},
417 [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] = { .type
= NLA_U16
},
418 [NL80211_ATTR_FILS_ERP_RRK
] = { .type
= NLA_BINARY
,
419 .len
= FILS_ERP_MAX_RRK_LEN
},
420 [NL80211_ATTR_FILS_CACHE_ID
] = { .len
= 2 },
421 [NL80211_ATTR_PMK
] = { .type
= NLA_BINARY
, .len
= PMK_MAX_LEN
},
422 [NL80211_ATTR_SCHED_SCAN_MULTI
] = { .type
= NLA_FLAG
},
425 /* policy for the key attributes */
426 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
427 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
428 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
429 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
430 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
431 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
432 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
433 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
434 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
437 /* policy for the key default flags */
438 static const struct nla_policy
439 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
440 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
441 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
445 /* policy for WoWLAN attributes */
446 static const struct nla_policy
447 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
448 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
449 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
450 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
451 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
452 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
453 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
454 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
455 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
456 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
457 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
460 static const struct nla_policy
461 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
462 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
463 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
464 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
465 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
466 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
467 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
468 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
469 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
471 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
472 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
474 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
475 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
476 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
478 #endif /* CONFIG_PM */
480 /* policy for coalesce rule attributes */
481 static const struct nla_policy
482 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
483 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
484 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
485 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
488 /* policy for GTK rekey offload attributes */
489 static const struct nla_policy
490 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
491 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
492 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
493 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
496 static const struct nla_policy
497 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
498 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
499 .len
= IEEE80211_MAX_SSID_LEN
},
500 [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
] = { .len
= ETH_ALEN
},
501 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
504 static const struct nla_policy
505 nl80211_plan_policy
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1] = {
506 [NL80211_SCHED_SCAN_PLAN_INTERVAL
] = { .type
= NLA_U32
},
507 [NL80211_SCHED_SCAN_PLAN_ITERATIONS
] = { .type
= NLA_U32
},
510 static const struct nla_policy
511 nl80211_bss_select_policy
[NL80211_BSS_SELECT_ATTR_MAX
+ 1] = {
512 [NL80211_BSS_SELECT_ATTR_RSSI
] = { .type
= NLA_FLAG
},
513 [NL80211_BSS_SELECT_ATTR_BAND_PREF
] = { .type
= NLA_U32
},
514 [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
] = {
515 .len
= sizeof(struct nl80211_bss_select_rssi_adjust
)
519 /* policy for NAN function attributes */
520 static const struct nla_policy
521 nl80211_nan_func_policy
[NL80211_NAN_FUNC_ATTR_MAX
+ 1] = {
522 [NL80211_NAN_FUNC_TYPE
] = { .type
= NLA_U8
},
523 [NL80211_NAN_FUNC_SERVICE_ID
] = {
524 .len
= NL80211_NAN_FUNC_SERVICE_ID_LEN
},
525 [NL80211_NAN_FUNC_PUBLISH_TYPE
] = { .type
= NLA_U8
},
526 [NL80211_NAN_FUNC_PUBLISH_BCAST
] = { .type
= NLA_FLAG
},
527 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
] = { .type
= NLA_FLAG
},
528 [NL80211_NAN_FUNC_FOLLOW_UP_ID
] = { .type
= NLA_U8
},
529 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
] = { .type
= NLA_U8
},
530 [NL80211_NAN_FUNC_FOLLOW_UP_DEST
] = { .len
= ETH_ALEN
},
531 [NL80211_NAN_FUNC_CLOSE_RANGE
] = { .type
= NLA_FLAG
},
532 [NL80211_NAN_FUNC_TTL
] = { .type
= NLA_U32
},
533 [NL80211_NAN_FUNC_SERVICE_INFO
] = { .type
= NLA_BINARY
,
534 .len
= NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN
},
535 [NL80211_NAN_FUNC_SRF
] = { .type
= NLA_NESTED
},
536 [NL80211_NAN_FUNC_RX_MATCH_FILTER
] = { .type
= NLA_NESTED
},
537 [NL80211_NAN_FUNC_TX_MATCH_FILTER
] = { .type
= NLA_NESTED
},
538 [NL80211_NAN_FUNC_INSTANCE_ID
] = { .type
= NLA_U8
},
539 [NL80211_NAN_FUNC_TERM_REASON
] = { .type
= NLA_U8
},
542 /* policy for Service Response Filter attributes */
543 static const struct nla_policy
544 nl80211_nan_srf_policy
[NL80211_NAN_SRF_ATTR_MAX
+ 1] = {
545 [NL80211_NAN_SRF_INCLUDE
] = { .type
= NLA_FLAG
},
546 [NL80211_NAN_SRF_BF
] = { .type
= NLA_BINARY
,
547 .len
= NL80211_NAN_FUNC_SRF_MAX_LEN
},
548 [NL80211_NAN_SRF_BF_IDX
] = { .type
= NLA_U8
},
549 [NL80211_NAN_SRF_MAC_ADDRS
] = { .type
= NLA_NESTED
},
552 /* policy for packet pattern attributes */
553 static const struct nla_policy
554 nl80211_packet_pattern_policy
[MAX_NL80211_PKTPAT
+ 1] = {
555 [NL80211_PKTPAT_MASK
] = { .type
= NLA_BINARY
, },
556 [NL80211_PKTPAT_PATTERN
] = { .type
= NLA_BINARY
, },
557 [NL80211_PKTPAT_OFFSET
] = { .type
= NLA_U32
},
560 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
561 struct netlink_callback
*cb
,
562 struct cfg80211_registered_device
**rdev
,
563 struct wireless_dev
**wdev
)
568 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
569 genl_family_attrbuf(&nl80211_fam
),
570 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
574 *wdev
= __cfg80211_wdev_from_attrs(
576 genl_family_attrbuf(&nl80211_fam
));
578 return PTR_ERR(*wdev
);
579 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
580 /* 0 is the first index - add 1 to parse only once */
581 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
582 cb
->args
[1] = (*wdev
)->identifier
;
584 /* subtract the 1 again here */
585 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
586 struct wireless_dev
*tmp
;
590 *rdev
= wiphy_to_rdev(wiphy
);
593 list_for_each_entry(tmp
, &(*rdev
)->wiphy
.wdev_list
, list
) {
594 if (tmp
->identifier
== cb
->args
[1]) {
608 static bool is_valid_ie_attr(const struct nlattr
*attr
)
616 pos
= nla_data(attr
);
637 /* message building helper */
638 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
641 /* since there is no private header just add the generic one */
642 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
645 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
646 struct ieee80211_channel
*chan
,
649 /* Some channels must be completely excluded from the
650 * list to protect old user-space tools from breaking
652 if (!large
&& chan
->flags
&
653 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
656 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
658 goto nla_put_failure
;
660 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
661 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
662 goto nla_put_failure
;
663 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
664 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
665 goto nla_put_failure
;
666 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
667 goto nla_put_failure
;
669 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
670 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
671 goto nla_put_failure
;
675 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
677 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
679 goto nla_put_failure
;
680 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
682 goto nla_put_failure
;
684 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
686 goto nla_put_failure
;
691 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
692 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
693 goto nla_put_failure
;
694 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
695 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
696 goto nla_put_failure
;
697 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
698 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
699 goto nla_put_failure
;
700 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
701 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
702 goto nla_put_failure
;
703 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
704 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
705 goto nla_put_failure
;
706 if ((chan
->flags
& IEEE80211_CHAN_IR_CONCURRENT
) &&
707 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_IR_CONCURRENT
))
708 goto nla_put_failure
;
709 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
710 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
711 goto nla_put_failure
;
712 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
713 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
714 goto nla_put_failure
;
717 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
718 DBM_TO_MBM(chan
->max_power
)))
719 goto nla_put_failure
;
727 /* netlink command implementations */
734 bool def_uni
, def_multi
;
737 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
739 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
740 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
741 nl80211_key_policy
, NULL
);
745 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
746 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
755 if (tb
[NL80211_KEY_IDX
])
756 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
758 if (tb
[NL80211_KEY_DATA
]) {
759 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
760 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
763 if (tb
[NL80211_KEY_SEQ
]) {
764 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
765 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
768 if (tb
[NL80211_KEY_CIPHER
])
769 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
771 if (tb
[NL80211_KEY_TYPE
]) {
772 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
773 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
777 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
778 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
780 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
781 tb
[NL80211_KEY_DEFAULT_TYPES
],
782 nl80211_key_default_policy
, NULL
);
786 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
787 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
793 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
795 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
796 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
797 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
800 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
801 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
802 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
805 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
806 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
808 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
809 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
811 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
812 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
821 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
822 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
823 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
827 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
828 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
829 int err
= nla_parse_nested(kdt
,
830 NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
831 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
832 nl80211_key_default_policy
,
837 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
838 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
844 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
848 memset(k
, 0, sizeof(*k
));
852 if (info
->attrs
[NL80211_ATTR_KEY
])
853 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
855 err
= nl80211_parse_key_old(info
, k
);
860 if (k
->def
&& k
->defmgmt
)
864 if (k
->def_uni
|| !k
->def_multi
)
870 if (k
->idx
< 4 || k
->idx
> 5)
873 if (k
->idx
< 0 || k
->idx
> 3)
876 if (k
->idx
< 0 || k
->idx
> 5)
884 static struct cfg80211_cached_keys
*
885 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
886 struct nlattr
*keys
, bool *no_ht
)
888 struct key_parse parse
;
890 struct cfg80211_cached_keys
*result
;
891 int rem
, err
, def
= 0;
892 bool have_key
= false;
894 nla_for_each_nested(key
, keys
, rem
) {
902 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
904 return ERR_PTR(-ENOMEM
);
908 nla_for_each_nested(key
, keys
, rem
) {
909 memset(&parse
, 0, sizeof(parse
));
912 err
= nl80211_parse_key_new(key
, &parse
);
918 if (parse
.idx
< 0 || parse
.idx
> 3)
924 result
->def
= parse
.idx
;
925 if (!parse
.def_uni
|| !parse
.def_multi
)
927 } else if (parse
.defmgmt
)
929 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
930 parse
.idx
, false, NULL
);
933 if (parse
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
&&
934 parse
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
) {
938 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
939 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
940 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
941 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
943 /* must be WEP key if we got here */
948 if (result
->def
< 0) {
959 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
961 ASSERT_WDEV_LOCK(wdev
);
963 switch (wdev
->iftype
) {
964 case NL80211_IFTYPE_AP
:
965 case NL80211_IFTYPE_AP_VLAN
:
966 case NL80211_IFTYPE_P2P_GO
:
967 case NL80211_IFTYPE_MESH_POINT
:
969 case NL80211_IFTYPE_ADHOC
:
970 case NL80211_IFTYPE_STATION
:
971 case NL80211_IFTYPE_P2P_CLIENT
:
972 if (!wdev
->current_bss
)
975 case NL80211_IFTYPE_UNSPECIFIED
:
976 case NL80211_IFTYPE_OCB
:
977 case NL80211_IFTYPE_MONITOR
:
978 case NL80211_IFTYPE_NAN
:
979 case NL80211_IFTYPE_P2P_DEVICE
:
980 case NL80211_IFTYPE_WDS
:
981 case NUM_NL80211_IFTYPES
:
988 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
991 struct ieee80211_channel
*chan
;
995 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
996 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
1001 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
1003 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
1007 goto nla_put_failure
;
1011 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
1012 goto nla_put_failure
;
1017 nla_nest_end(msg
, nl_modes
);
1024 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
1025 struct sk_buff
*msg
,
1028 struct nlattr
*nl_combis
;
1031 nl_combis
= nla_nest_start(msg
,
1032 NL80211_ATTR_INTERFACE_COMBINATIONS
);
1034 goto nla_put_failure
;
1036 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
1037 const struct ieee80211_iface_combination
*c
;
1038 struct nlattr
*nl_combi
, *nl_limits
;
1040 c
= &wiphy
->iface_combinations
[i
];
1042 nl_combi
= nla_nest_start(msg
, i
+ 1);
1044 goto nla_put_failure
;
1046 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
1048 goto nla_put_failure
;
1050 for (j
= 0; j
< c
->n_limits
; j
++) {
1051 struct nlattr
*nl_limit
;
1053 nl_limit
= nla_nest_start(msg
, j
+ 1);
1055 goto nla_put_failure
;
1056 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
1058 goto nla_put_failure
;
1059 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
1060 c
->limits
[j
].types
))
1061 goto nla_put_failure
;
1062 nla_nest_end(msg
, nl_limit
);
1065 nla_nest_end(msg
, nl_limits
);
1067 if (c
->beacon_int_infra_match
&&
1068 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
1069 goto nla_put_failure
;
1070 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
1071 c
->num_different_channels
) ||
1072 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
1074 goto nla_put_failure
;
1076 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
1077 c
->radar_detect_widths
) ||
1078 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
1079 c
->radar_detect_regions
)))
1080 goto nla_put_failure
;
1081 if (c
->beacon_int_min_gcd
&&
1082 nla_put_u32(msg
, NL80211_IFACE_COMB_BI_MIN_GCD
,
1083 c
->beacon_int_min_gcd
))
1084 goto nla_put_failure
;
1086 nla_nest_end(msg
, nl_combi
);
1089 nla_nest_end(msg
, nl_combis
);
1097 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1098 struct sk_buff
*msg
)
1100 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1101 struct nlattr
*nl_tcp
;
1106 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1110 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1111 tcp
->data_payload_max
))
1114 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1115 tcp
->data_payload_max
))
1118 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1121 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1122 sizeof(*tcp
->tok
), tcp
->tok
))
1125 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1126 tcp
->data_interval_max
))
1129 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1130 tcp
->wake_payload_max
))
1133 nla_nest_end(msg
, nl_tcp
);
1137 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1138 struct cfg80211_registered_device
*rdev
,
1141 struct nlattr
*nl_wowlan
;
1143 if (!rdev
->wiphy
.wowlan
)
1146 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1150 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1151 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1152 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1153 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1154 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1155 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1156 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1157 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1158 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1159 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1160 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1161 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1162 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1163 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1164 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1165 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1168 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1169 struct nl80211_pattern_support pat
= {
1170 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1171 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1172 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1173 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1176 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1181 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1182 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1183 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1186 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1189 nla_nest_end(msg
, nl_wowlan
);
1195 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1196 struct cfg80211_registered_device
*rdev
)
1198 struct nl80211_coalesce_rule_support rule
;
1200 if (!rdev
->wiphy
.coalesce
)
1203 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1204 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1205 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1206 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1207 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1208 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1210 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1216 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1217 struct ieee80211_supported_band
*sband
)
1219 struct nlattr
*nl_rates
, *nl_rate
;
1220 struct ieee80211_rate
*rate
;
1224 if (sband
->ht_cap
.ht_supported
&&
1225 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1226 sizeof(sband
->ht_cap
.mcs
),
1227 &sband
->ht_cap
.mcs
) ||
1228 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1229 sband
->ht_cap
.cap
) ||
1230 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1231 sband
->ht_cap
.ampdu_factor
) ||
1232 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1233 sband
->ht_cap
.ampdu_density
)))
1237 if (sband
->vht_cap
.vht_supported
&&
1238 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1239 sizeof(sband
->vht_cap
.vht_mcs
),
1240 &sband
->vht_cap
.vht_mcs
) ||
1241 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1242 sband
->vht_cap
.cap
)))
1246 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1250 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1251 nl_rate
= nla_nest_start(msg
, i
);
1255 rate
= &sband
->bitrates
[i
];
1256 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1259 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1261 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1264 nla_nest_end(msg
, nl_rate
);
1267 nla_nest_end(msg
, nl_rates
);
1273 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1274 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1277 struct nlattr
*nl_ftypes
, *nl_ifs
;
1278 enum nl80211_iftype ift
;
1284 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1288 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1289 nl_ftypes
= nla_nest_start(msg
, ift
);
1293 stypes
= mgmt_stypes
[ift
].tx
;
1296 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1297 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1302 nla_nest_end(msg
, nl_ftypes
);
1305 nla_nest_end(msg
, nl_ifs
);
1307 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1311 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1312 nl_ftypes
= nla_nest_start(msg
, ift
);
1316 stypes
= mgmt_stypes
[ift
].rx
;
1319 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1320 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1325 nla_nest_end(msg
, nl_ftypes
);
1327 nla_nest_end(msg
, nl_ifs
);
1332 #define CMD(op, n) \
1334 if (rdev->ops->op) { \
1336 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1337 goto nla_put_failure; \
1341 static int nl80211_add_commands_unsplit(struct cfg80211_registered_device
*rdev
,
1342 struct sk_buff
*msg
)
1347 * do *NOT* add anything into this function, new things need to be
1348 * advertised only to new versions of userspace that can deal with
1349 * the split (and they can't possibly care about new features...
1351 CMD(add_virtual_intf
, NEW_INTERFACE
);
1352 CMD(change_virtual_intf
, SET_INTERFACE
);
1353 CMD(add_key
, NEW_KEY
);
1354 CMD(start_ap
, START_AP
);
1355 CMD(add_station
, NEW_STATION
);
1356 CMD(add_mpath
, NEW_MPATH
);
1357 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1358 CMD(change_bss
, SET_BSS
);
1359 CMD(auth
, AUTHENTICATE
);
1360 CMD(assoc
, ASSOCIATE
);
1361 CMD(deauth
, DEAUTHENTICATE
);
1362 CMD(disassoc
, DISASSOCIATE
);
1363 CMD(join_ibss
, JOIN_IBSS
);
1364 CMD(join_mesh
, JOIN_MESH
);
1365 CMD(set_pmksa
, SET_PMKSA
);
1366 CMD(del_pmksa
, DEL_PMKSA
);
1367 CMD(flush_pmksa
, FLUSH_PMKSA
);
1368 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1369 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1370 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1371 CMD(mgmt_tx
, FRAME
);
1372 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1373 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1375 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1376 goto nla_put_failure
;
1378 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1379 rdev
->ops
->join_mesh
) {
1381 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1382 goto nla_put_failure
;
1384 CMD(set_wds_peer
, SET_WDS_PEER
);
1385 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1386 CMD(tdls_mgmt
, TDLS_MGMT
);
1387 CMD(tdls_oper
, TDLS_OPER
);
1389 if (rdev
->wiphy
.max_sched_scan_reqs
)
1390 CMD(sched_scan_start
, START_SCHED_SCAN
);
1391 CMD(probe_client
, PROBE_CLIENT
);
1392 CMD(set_noack_map
, SET_NOACK_MAP
);
1393 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1395 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1396 goto nla_put_failure
;
1398 CMD(start_p2p_device
, START_P2P_DEVICE
);
1399 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1400 #ifdef CONFIG_NL80211_TESTMODE
1401 CMD(testmode_cmd
, TESTMODE
);
1404 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1406 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1407 goto nla_put_failure
;
1410 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1412 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1413 goto nla_put_failure
;
1421 struct nl80211_dump_wiphy_state
{
1424 long split_start
, band_start
, chan_start
, capa_start
;
1428 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1429 enum nl80211_commands cmd
,
1430 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1431 int flags
, struct nl80211_dump_wiphy_state
*state
)
1434 struct nlattr
*nl_bands
, *nl_band
;
1435 struct nlattr
*nl_freqs
, *nl_freq
;
1436 struct nlattr
*nl_cmds
;
1437 enum nl80211_band band
;
1438 struct ieee80211_channel
*chan
;
1440 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1441 rdev
->wiphy
.mgmt_stypes
;
1444 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1448 if (WARN_ON(!state
))
1451 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1452 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1453 wiphy_name(&rdev
->wiphy
)) ||
1454 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1455 cfg80211_rdev_list_generation
))
1456 goto nla_put_failure
;
1458 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1461 switch (state
->split_start
) {
1463 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1464 rdev
->wiphy
.retry_short
) ||
1465 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1466 rdev
->wiphy
.retry_long
) ||
1467 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1468 rdev
->wiphy
.frag_threshold
) ||
1469 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1470 rdev
->wiphy
.rts_threshold
) ||
1471 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1472 rdev
->wiphy
.coverage_class
) ||
1473 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1474 rdev
->wiphy
.max_scan_ssids
) ||
1475 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1476 rdev
->wiphy
.max_sched_scan_ssids
) ||
1477 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1478 rdev
->wiphy
.max_scan_ie_len
) ||
1479 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1480 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1481 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1482 rdev
->wiphy
.max_match_sets
) ||
1483 nla_put_u32(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
,
1484 rdev
->wiphy
.max_sched_scan_plans
) ||
1485 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
,
1486 rdev
->wiphy
.max_sched_scan_plan_interval
) ||
1487 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
,
1488 rdev
->wiphy
.max_sched_scan_plan_iterations
))
1489 goto nla_put_failure
;
1491 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1492 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1493 goto nla_put_failure
;
1494 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1495 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1496 goto nla_put_failure
;
1497 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1498 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1499 goto nla_put_failure
;
1500 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1501 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1502 goto nla_put_failure
;
1503 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1504 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1505 goto nla_put_failure
;
1506 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1507 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1508 goto nla_put_failure
;
1509 state
->split_start
++;
1513 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1514 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1515 rdev
->wiphy
.cipher_suites
))
1516 goto nla_put_failure
;
1518 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1519 rdev
->wiphy
.max_num_pmkids
))
1520 goto nla_put_failure
;
1522 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1523 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1524 goto nla_put_failure
;
1526 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1527 rdev
->wiphy
.available_antennas_tx
) ||
1528 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1529 rdev
->wiphy
.available_antennas_rx
))
1530 goto nla_put_failure
;
1532 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1533 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1534 rdev
->wiphy
.probe_resp_offload
))
1535 goto nla_put_failure
;
1537 if ((rdev
->wiphy
.available_antennas_tx
||
1538 rdev
->wiphy
.available_antennas_rx
) &&
1539 rdev
->ops
->get_antenna
) {
1540 u32 tx_ant
= 0, rx_ant
= 0;
1543 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1545 if (nla_put_u32(msg
,
1546 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1549 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1551 goto nla_put_failure
;
1555 state
->split_start
++;
1559 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1560 rdev
->wiphy
.interface_modes
))
1561 goto nla_put_failure
;
1562 state
->split_start
++;
1566 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1568 goto nla_put_failure
;
1570 for (band
= state
->band_start
;
1571 band
< NUM_NL80211_BANDS
; band
++) {
1572 struct ieee80211_supported_band
*sband
;
1574 sband
= rdev
->wiphy
.bands
[band
];
1579 nl_band
= nla_nest_start(msg
, band
);
1581 goto nla_put_failure
;
1583 switch (state
->chan_start
) {
1585 if (nl80211_send_band_rateinfo(msg
, sband
))
1586 goto nla_put_failure
;
1587 state
->chan_start
++;
1591 /* add frequencies */
1592 nl_freqs
= nla_nest_start(
1593 msg
, NL80211_BAND_ATTR_FREQS
);
1595 goto nla_put_failure
;
1597 for (i
= state
->chan_start
- 1;
1598 i
< sband
->n_channels
;
1600 nl_freq
= nla_nest_start(msg
, i
);
1602 goto nla_put_failure
;
1604 chan
= &sband
->channels
[i
];
1606 if (nl80211_msg_put_channel(
1609 goto nla_put_failure
;
1611 nla_nest_end(msg
, nl_freq
);
1615 if (i
< sband
->n_channels
)
1616 state
->chan_start
= i
+ 2;
1618 state
->chan_start
= 0;
1619 nla_nest_end(msg
, nl_freqs
);
1622 nla_nest_end(msg
, nl_band
);
1625 /* start again here */
1626 if (state
->chan_start
)
1631 nla_nest_end(msg
, nl_bands
);
1633 if (band
< NUM_NL80211_BANDS
)
1634 state
->band_start
= band
+ 1;
1636 state
->band_start
= 0;
1638 /* if bands & channels are done, continue outside */
1639 if (state
->band_start
== 0 && state
->chan_start
== 0)
1640 state
->split_start
++;
1644 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1646 goto nla_put_failure
;
1648 i
= nl80211_add_commands_unsplit(rdev
, msg
);
1650 goto nla_put_failure
;
1652 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1653 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1654 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1655 CMD(channel_switch
, CHANNEL_SWITCH
);
1656 CMD(set_qos_map
, SET_QOS_MAP
);
1657 if (rdev
->wiphy
.features
&
1658 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1659 CMD(add_tx_ts
, ADD_TX_TS
);
1660 CMD(set_multicast_to_unicast
, SET_MULTICAST_TO_UNICAST
);
1661 CMD(update_connect_params
, UPDATE_CONNECT_PARAMS
);
1665 nla_nest_end(msg
, nl_cmds
);
1666 state
->split_start
++;
1670 if (rdev
->ops
->remain_on_channel
&&
1671 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1673 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1674 rdev
->wiphy
.max_remain_on_channel_duration
))
1675 goto nla_put_failure
;
1677 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1678 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1679 goto nla_put_failure
;
1681 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1682 goto nla_put_failure
;
1683 state
->split_start
++;
1688 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1689 goto nla_put_failure
;
1690 state
->split_start
++;
1694 state
->split_start
++;
1697 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1698 rdev
->wiphy
.software_iftypes
))
1699 goto nla_put_failure
;
1701 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1703 goto nla_put_failure
;
1705 state
->split_start
++;
1709 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1710 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1711 rdev
->wiphy
.ap_sme_capa
))
1712 goto nla_put_failure
;
1714 features
= rdev
->wiphy
.features
;
1716 * We can only add the per-channel limit information if the
1717 * dump is split, otherwise it makes it too big. Therefore
1718 * only advertise it in that case.
1721 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1722 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1723 goto nla_put_failure
;
1725 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1726 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1727 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1728 rdev
->wiphy
.ht_capa_mod_mask
))
1729 goto nla_put_failure
;
1731 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1732 rdev
->wiphy
.max_acl_mac_addrs
&&
1733 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1734 rdev
->wiphy
.max_acl_mac_addrs
))
1735 goto nla_put_failure
;
1738 * Any information below this point is only available to
1739 * applications that can deal with it being split. This
1740 * helps ensure that newly added capabilities don't break
1741 * older tools by overrunning their buffers.
1743 * We still increment split_start so that in the split
1744 * case we'll continue with more data in the next round,
1745 * but break unconditionally so unsplit data stops here.
1747 state
->split_start
++;
1750 if (rdev
->wiphy
.extended_capabilities
&&
1751 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1752 rdev
->wiphy
.extended_capabilities_len
,
1753 rdev
->wiphy
.extended_capabilities
) ||
1754 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1755 rdev
->wiphy
.extended_capabilities_len
,
1756 rdev
->wiphy
.extended_capabilities_mask
)))
1757 goto nla_put_failure
;
1759 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1760 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1761 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1762 rdev
->wiphy
.vht_capa_mod_mask
))
1763 goto nla_put_failure
;
1765 state
->split_start
++;
1768 if (nl80211_send_coalesce(msg
, rdev
))
1769 goto nla_put_failure
;
1771 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1772 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1773 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1774 goto nla_put_failure
;
1776 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1777 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1778 rdev
->wiphy
.max_ap_assoc_sta
))
1779 goto nla_put_failure
;
1781 state
->split_start
++;
1784 if (rdev
->wiphy
.n_vendor_commands
) {
1785 const struct nl80211_vendor_cmd_info
*info
;
1786 struct nlattr
*nested
;
1788 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1790 goto nla_put_failure
;
1792 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1793 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1794 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1795 goto nla_put_failure
;
1797 nla_nest_end(msg
, nested
);
1800 if (rdev
->wiphy
.n_vendor_events
) {
1801 const struct nl80211_vendor_cmd_info
*info
;
1802 struct nlattr
*nested
;
1804 nested
= nla_nest_start(msg
,
1805 NL80211_ATTR_VENDOR_EVENTS
);
1807 goto nla_put_failure
;
1809 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1810 info
= &rdev
->wiphy
.vendor_events
[i
];
1811 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1812 goto nla_put_failure
;
1814 nla_nest_end(msg
, nested
);
1816 state
->split_start
++;
1819 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1820 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1821 rdev
->wiphy
.max_num_csa_counters
))
1822 goto nla_put_failure
;
1824 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1825 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1826 goto nla_put_failure
;
1828 if (rdev
->wiphy
.max_sched_scan_reqs
&&
1829 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_MAX_REQS
,
1830 rdev
->wiphy
.max_sched_scan_reqs
))
1831 goto nla_put_failure
;
1833 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1834 sizeof(rdev
->wiphy
.ext_features
),
1835 rdev
->wiphy
.ext_features
))
1836 goto nla_put_failure
;
1838 if (rdev
->wiphy
.bss_select_support
) {
1839 struct nlattr
*nested
;
1840 u32 bss_select_support
= rdev
->wiphy
.bss_select_support
;
1842 nested
= nla_nest_start(msg
, NL80211_ATTR_BSS_SELECT
);
1844 goto nla_put_failure
;
1847 while (bss_select_support
) {
1848 if ((bss_select_support
& 1) &&
1849 nla_put_flag(msg
, i
))
1850 goto nla_put_failure
;
1852 bss_select_support
>>= 1;
1854 nla_nest_end(msg
, nested
);
1857 state
->split_start
++;
1860 if (rdev
->wiphy
.num_iftype_ext_capab
&&
1861 rdev
->wiphy
.iftype_ext_capab
) {
1862 struct nlattr
*nested_ext_capab
, *nested
;
1864 nested
= nla_nest_start(msg
,
1865 NL80211_ATTR_IFTYPE_EXT_CAPA
);
1867 goto nla_put_failure
;
1869 for (i
= state
->capa_start
;
1870 i
< rdev
->wiphy
.num_iftype_ext_capab
; i
++) {
1871 const struct wiphy_iftype_ext_capab
*capab
;
1873 capab
= &rdev
->wiphy
.iftype_ext_capab
[i
];
1875 nested_ext_capab
= nla_nest_start(msg
, i
);
1876 if (!nested_ext_capab
||
1877 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
,
1879 nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1880 capab
->extended_capabilities_len
,
1881 capab
->extended_capabilities
) ||
1882 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1883 capab
->extended_capabilities_len
,
1884 capab
->extended_capabilities_mask
))
1885 goto nla_put_failure
;
1887 nla_nest_end(msg
, nested_ext_capab
);
1891 nla_nest_end(msg
, nested
);
1892 if (i
< rdev
->wiphy
.num_iftype_ext_capab
) {
1893 state
->capa_start
= i
+ 1;
1898 if (nla_put_u32(msg
, NL80211_ATTR_BANDS
,
1899 rdev
->wiphy
.nan_supported_bands
))
1900 goto nla_put_failure
;
1903 state
->split_start
= 0;
1907 genlmsg_end(msg
, hdr
);
1911 genlmsg_cancel(msg
, hdr
);
1915 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1916 struct netlink_callback
*cb
,
1917 struct nl80211_dump_wiphy_state
*state
)
1919 struct nlattr
**tb
= genl_family_attrbuf(&nl80211_fam
);
1920 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, tb
,
1921 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
1922 /* ignore parse errors for backward compatibility */
1926 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1927 if (tb
[NL80211_ATTR_WIPHY
])
1928 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1929 if (tb
[NL80211_ATTR_WDEV
])
1930 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1931 if (tb
[NL80211_ATTR_IFINDEX
]) {
1932 struct net_device
*netdev
;
1933 struct cfg80211_registered_device
*rdev
;
1934 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1936 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1939 if (netdev
->ieee80211_ptr
) {
1940 rdev
= wiphy_to_rdev(
1941 netdev
->ieee80211_ptr
->wiphy
);
1942 state
->filter_wiphy
= rdev
->wiphy_idx
;
1949 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1952 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1953 struct cfg80211_registered_device
*rdev
;
1957 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1962 state
->filter_wiphy
= -1;
1963 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1969 cb
->args
[0] = (long)state
;
1972 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1973 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1975 if (++idx
<= state
->start
)
1977 if (state
->filter_wiphy
!= -1 &&
1978 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1980 /* attempt to fit multiple wiphy data chunks into the skb */
1982 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1984 NETLINK_CB(cb
->skb
).portid
,
1986 NLM_F_MULTI
, state
);
1989 * If sending the wiphy data didn't fit (ENOBUFS
1990 * or EMSGSIZE returned), this SKB is still
1991 * empty (so it's not too big because another
1992 * wiphy dataset is already in the skb) and
1993 * we've not tried to adjust the dump allocation
1994 * yet ... then adjust the alloc size to be
1995 * bigger, and return 1 but with the empty skb.
1996 * This results in an empty message being RX'ed
1997 * in userspace, but that is ignored.
1999 * We can then retry with the larger buffer.
2001 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
2002 !skb
->len
&& !state
->split
&&
2003 cb
->min_dump_alloc
< 4096) {
2004 cb
->min_dump_alloc
= 4096;
2005 state
->split_start
= 0;
2012 } while (state
->split_start
> 0);
2022 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
2024 kfree((void *)cb
->args
[0]);
2028 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2030 struct sk_buff
*msg
;
2031 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2032 struct nl80211_dump_wiphy_state state
= {};
2034 msg
= nlmsg_new(4096, GFP_KERNEL
);
2038 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
2039 info
->snd_portid
, info
->snd_seq
, 0,
2045 return genlmsg_reply(msg
, info
);
2048 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
2049 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
2050 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
2051 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
2052 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
2053 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
2056 static int parse_txq_params(struct nlattr
*tb
[],
2057 struct ieee80211_txq_params
*txq_params
)
2059 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
2060 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
2061 !tb
[NL80211_TXQ_ATTR_AIFS
])
2064 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
2065 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
2066 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
2067 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
2068 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
2070 if (txq_params
->ac
>= NL80211_NUM_ACS
)
2076 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
2079 * You can only set the channel explicitly for WDS interfaces,
2080 * all others have their channel managed via their respective
2081 * "establish a connection" command (connect, join, ...)
2083 * For AP/GO and mesh mode, the channel can be set with the
2084 * channel userspace API, but is only stored and passed to the
2085 * low-level driver when the AP starts or the mesh is joined.
2086 * This is for backward compatibility, userspace can also give
2087 * the channel in the start-ap or join-mesh commands instead.
2089 * Monitors are special as they are normally slaved to
2090 * whatever else is going on, so they have their own special
2091 * operation to set the monitor channel if possible.
2094 wdev
->iftype
== NL80211_IFTYPE_AP
||
2095 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
2096 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
2097 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
2100 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
2101 struct genl_info
*info
,
2102 struct cfg80211_chan_def
*chandef
)
2106 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
2109 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
2111 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
2112 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
2113 chandef
->center_freq1
= control_freq
;
2114 chandef
->center_freq2
= 0;
2116 /* Primary channel not allowed */
2117 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
2120 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
2121 enum nl80211_channel_type chantype
;
2123 chantype
= nla_get_u32(
2124 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
2127 case NL80211_CHAN_NO_HT
:
2128 case NL80211_CHAN_HT20
:
2129 case NL80211_CHAN_HT40PLUS
:
2130 case NL80211_CHAN_HT40MINUS
:
2131 cfg80211_chandef_create(chandef
, chandef
->chan
,
2133 /* user input for center_freq is incorrect */
2134 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
] &&
2135 chandef
->center_freq1
!= nla_get_u32(
2136 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]))
2138 /* center_freq2 must be zero */
2139 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
] &&
2140 nla_get_u32(info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]))
2146 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
2148 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
2149 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
2150 chandef
->center_freq1
=
2152 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
2153 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
2154 chandef
->center_freq2
=
2156 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
2159 if (!cfg80211_chandef_valid(chandef
))
2162 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
2163 IEEE80211_CHAN_DISABLED
))
2166 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
2167 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
2168 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
2174 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
2175 struct net_device
*dev
,
2176 struct genl_info
*info
)
2178 struct cfg80211_chan_def chandef
;
2180 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
2181 struct wireless_dev
*wdev
= NULL
;
2184 wdev
= dev
->ieee80211_ptr
;
2185 if (!nl80211_can_set_dev_channel(wdev
))
2188 iftype
= wdev
->iftype
;
2190 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2195 case NL80211_IFTYPE_AP
:
2196 case NL80211_IFTYPE_P2P_GO
:
2197 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2202 if (wdev
->beacon_interval
) {
2203 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2204 !(rdev
->wiphy
.features
&
2205 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2210 /* Only allow dynamic channel width changes */
2211 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2215 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2219 wdev
->preset_chandef
= chandef
;
2222 case NL80211_IFTYPE_MESH_POINT
:
2223 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2225 case NL80211_IFTYPE_MONITOR
:
2226 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2235 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2237 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2238 struct net_device
*netdev
= info
->user_ptr
[1];
2240 return __nl80211_set_channel(rdev
, netdev
, info
);
2243 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2245 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2246 struct net_device
*dev
= info
->user_ptr
[1];
2247 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2250 if (!info
->attrs
[NL80211_ATTR_MAC
])
2253 if (netif_running(dev
))
2256 if (!rdev
->ops
->set_wds_peer
)
2259 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2262 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2263 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2266 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2268 struct cfg80211_registered_device
*rdev
;
2269 struct net_device
*netdev
= NULL
;
2270 struct wireless_dev
*wdev
;
2271 int result
= 0, rem_txq_params
= 0;
2272 struct nlattr
*nl_txq_params
;
2274 u8 retry_short
= 0, retry_long
= 0;
2275 u32 frag_threshold
= 0, rts_threshold
= 0;
2276 u8 coverage_class
= 0;
2281 * Try to find the wiphy and netdev. Normally this
2282 * function shouldn't need the netdev, but this is
2283 * done for backward compatibility -- previously
2284 * setting the channel was done per wiphy, but now
2285 * it is per netdev. Previous userland like hostapd
2286 * also passed a netdev to set_wiphy, so that it is
2287 * possible to let that go to the right netdev!
2290 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2291 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2293 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2294 if (netdev
&& netdev
->ieee80211_ptr
)
2295 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2301 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2304 return PTR_ERR(rdev
);
2309 wdev
= netdev
->ieee80211_ptr
;
2312 * end workaround code, by now the rdev is available
2313 * and locked, and wdev may or may not be NULL.
2316 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2317 result
= cfg80211_dev_rename(
2318 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2323 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2324 struct ieee80211_txq_params txq_params
;
2325 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2327 if (!rdev
->ops
->set_txq_params
)
2333 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2334 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2337 if (!netif_running(netdev
))
2340 nla_for_each_nested(nl_txq_params
,
2341 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2343 result
= nla_parse_nested(tb
, NL80211_TXQ_ATTR_MAX
,
2349 result
= parse_txq_params(tb
, &txq_params
);
2353 result
= rdev_set_txq_params(rdev
, netdev
,
2360 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2361 result
= __nl80211_set_channel(
2363 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2369 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2370 struct wireless_dev
*txp_wdev
= wdev
;
2371 enum nl80211_tx_power_setting type
;
2374 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2377 if (!rdev
->ops
->set_tx_power
)
2380 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2381 type
= nla_get_u32(info
->attrs
[idx
]);
2383 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2384 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2387 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2388 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2389 mbm
= nla_get_u32(info
->attrs
[idx
]);
2392 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2397 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2398 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2401 if ((!rdev
->wiphy
.available_antennas_tx
&&
2402 !rdev
->wiphy
.available_antennas_rx
) ||
2403 !rdev
->ops
->set_antenna
)
2406 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2407 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2409 /* reject antenna configurations which don't match the
2410 * available antenna masks, except for the "all" mask */
2411 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2412 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2415 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2416 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2418 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2425 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2426 retry_short
= nla_get_u8(
2427 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2428 if (retry_short
== 0)
2431 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2434 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2435 retry_long
= nla_get_u8(
2436 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2437 if (retry_long
== 0)
2440 changed
|= WIPHY_PARAM_RETRY_LONG
;
2443 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2444 frag_threshold
= nla_get_u32(
2445 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2446 if (frag_threshold
< 256)
2449 if (frag_threshold
!= (u32
) -1) {
2451 * Fragments (apart from the last one) are required to
2452 * have even length. Make the fragmentation code
2453 * simpler by stripping LSB should someone try to use
2454 * odd threshold value.
2456 frag_threshold
&= ~0x1;
2458 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2461 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2462 rts_threshold
= nla_get_u32(
2463 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2464 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2467 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2468 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2471 coverage_class
= nla_get_u8(
2472 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2473 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2476 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2477 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2480 changed
|= WIPHY_PARAM_DYN_ACK
;
2484 u8 old_retry_short
, old_retry_long
;
2485 u32 old_frag_threshold
, old_rts_threshold
;
2486 u8 old_coverage_class
;
2488 if (!rdev
->ops
->set_wiphy_params
)
2491 old_retry_short
= rdev
->wiphy
.retry_short
;
2492 old_retry_long
= rdev
->wiphy
.retry_long
;
2493 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2494 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2495 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2497 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2498 rdev
->wiphy
.retry_short
= retry_short
;
2499 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2500 rdev
->wiphy
.retry_long
= retry_long
;
2501 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2502 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2503 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2504 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2505 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2506 rdev
->wiphy
.coverage_class
= coverage_class
;
2508 result
= rdev_set_wiphy_params(rdev
, changed
);
2510 rdev
->wiphy
.retry_short
= old_retry_short
;
2511 rdev
->wiphy
.retry_long
= old_retry_long
;
2512 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2513 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2514 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2521 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2523 return (u64
)wdev
->identifier
|
2524 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2527 static int nl80211_send_chandef(struct sk_buff
*msg
,
2528 const struct cfg80211_chan_def
*chandef
)
2530 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2533 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2534 chandef
->chan
->center_freq
))
2536 switch (chandef
->width
) {
2537 case NL80211_CHAN_WIDTH_20_NOHT
:
2538 case NL80211_CHAN_WIDTH_20
:
2539 case NL80211_CHAN_WIDTH_40
:
2540 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2541 cfg80211_get_chandef_type(chandef
)))
2547 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2549 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2551 if (chandef
->center_freq2
&&
2552 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2557 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2558 struct cfg80211_registered_device
*rdev
,
2559 struct wireless_dev
*wdev
, bool removal
)
2561 struct net_device
*dev
= wdev
->netdev
;
2562 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2566 cmd
= NL80211_CMD_DEL_INTERFACE
;
2568 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2573 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2574 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2575 goto nla_put_failure
;
2577 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2578 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2579 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
2580 NL80211_ATTR_PAD
) ||
2581 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2582 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2583 rdev
->devlist_generation
^
2584 (cfg80211_rdev_list_generation
<< 2)))
2585 goto nla_put_failure
;
2587 if (rdev
->ops
->get_channel
) {
2589 struct cfg80211_chan_def chandef
;
2591 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2593 if (nl80211_send_chandef(msg
, &chandef
))
2594 goto nla_put_failure
;
2598 if (rdev
->ops
->get_tx_power
) {
2601 ret
= rdev_get_tx_power(rdev
, wdev
, &dbm
);
2603 nla_put_u32(msg
, NL80211_ATTR_WIPHY_TX_POWER_LEVEL
,
2605 goto nla_put_failure
;
2609 switch (wdev
->iftype
) {
2610 case NL80211_IFTYPE_AP
:
2611 if (wdev
->ssid_len
&&
2612 nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2613 goto nla_put_failure_locked
;
2615 case NL80211_IFTYPE_STATION
:
2616 case NL80211_IFTYPE_P2P_CLIENT
:
2617 case NL80211_IFTYPE_ADHOC
: {
2619 if (!wdev
->current_bss
)
2621 ssid_ie
= ieee80211_bss_get_ie(&wdev
->current_bss
->pub
,
2625 if (nla_put(msg
, NL80211_ATTR_SSID
, ssid_ie
[1], ssid_ie
+ 2))
2626 goto nla_put_failure_locked
;
2635 genlmsg_end(msg
, hdr
);
2638 nla_put_failure_locked
:
2641 genlmsg_cancel(msg
, hdr
);
2645 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2649 int wp_start
= cb
->args
[0];
2650 int if_start
= cb
->args
[1];
2651 int filter_wiphy
= -1;
2652 struct cfg80211_registered_device
*rdev
;
2653 struct wireless_dev
*wdev
;
2658 struct nl80211_dump_wiphy_state state
= {
2662 ret
= nl80211_dump_wiphy_parse(skb
, cb
, &state
);
2666 filter_wiphy
= state
.filter_wiphy
;
2669 * if filtering, set cb->args[2] to +1 since 0 is the default
2670 * value needed to determine that parsing is necessary.
2672 if (filter_wiphy
>= 0)
2673 cb
->args
[2] = filter_wiphy
+ 1;
2676 } else if (cb
->args
[2] > 0) {
2677 filter_wiphy
= cb
->args
[2] - 1;
2680 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2681 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2683 if (wp_idx
< wp_start
) {
2688 if (filter_wiphy
>= 0 && filter_wiphy
!= rdev
->wiphy_idx
)
2693 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
2694 if (if_idx
< if_start
) {
2698 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2699 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2700 rdev
, wdev
, false) < 0) {
2709 cb
->args
[0] = wp_idx
;
2710 cb
->args
[1] = if_idx
;
2719 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2721 struct sk_buff
*msg
;
2722 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2723 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2725 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2729 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2730 rdev
, wdev
, false) < 0) {
2735 return genlmsg_reply(msg
, info
);
2738 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2739 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2740 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2741 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2742 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2743 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2744 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2747 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2749 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2757 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
, nla
,
2758 mntr_flags_policy
, NULL
))
2761 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2763 *mntrflags
|= (1<<flag
);
2765 *mntrflags
|= MONITOR_FLAG_CHANGED
;
2770 static int nl80211_parse_mon_options(struct cfg80211_registered_device
*rdev
,
2771 enum nl80211_iftype type
,
2772 struct genl_info
*info
,
2773 struct vif_params
*params
)
2775 bool change
= false;
2778 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2779 if (type
!= NL80211_IFTYPE_MONITOR
)
2782 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2790 if (params
->flags
& MONITOR_FLAG_ACTIVE
&&
2791 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2794 if (info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]) {
2795 const u8
*mumimo_groups
;
2796 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2798 if (type
!= NL80211_IFTYPE_MONITOR
)
2801 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2805 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]);
2807 /* bits 0 and 63 are reserved and must be zero */
2808 if ((mumimo_groups
[0] & BIT(0)) ||
2809 (mumimo_groups
[VHT_MUMIMO_GROUPS_DATA_LEN
- 1] & BIT(7)))
2812 params
->vht_mumimo_groups
= mumimo_groups
;
2816 if (info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]) {
2817 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2819 if (type
!= NL80211_IFTYPE_MONITOR
)
2822 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2825 params
->vht_mumimo_follow_addr
=
2826 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]);
2830 return change
? 1 : 0;
2833 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2834 struct net_device
*netdev
, u8 use_4addr
,
2835 enum nl80211_iftype iftype
)
2838 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2844 case NL80211_IFTYPE_AP_VLAN
:
2845 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2848 case NL80211_IFTYPE_STATION
:
2849 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2859 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2861 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2862 struct vif_params params
;
2864 enum nl80211_iftype otype
, ntype
;
2865 struct net_device
*dev
= info
->user_ptr
[1];
2866 bool change
= false;
2868 memset(¶ms
, 0, sizeof(params
));
2870 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2872 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2873 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2876 if (ntype
> NL80211_IFTYPE_MAX
)
2880 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2881 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2883 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2885 if (netif_running(dev
))
2889 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2890 IEEE80211_MAX_MESH_ID_LEN
);
2891 wdev
->mesh_id_up_len
=
2892 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2893 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2894 wdev
->mesh_id_up_len
);
2898 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2899 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2901 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2905 params
.use_4addr
= -1;
2908 err
= nl80211_parse_mon_options(rdev
, ntype
, info
, ¶ms
);
2915 err
= cfg80211_change_iface(rdev
, dev
, ntype
, ¶ms
);
2919 if (!err
&& params
.use_4addr
!= -1)
2920 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2925 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2927 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2928 struct vif_params params
;
2929 struct wireless_dev
*wdev
;
2930 struct sk_buff
*msg
;
2932 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2934 /* to avoid failing a new interface creation due to pending removal */
2935 cfg80211_destroy_ifaces(rdev
);
2937 memset(¶ms
, 0, sizeof(params
));
2939 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2942 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2943 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2944 if (type
> NL80211_IFTYPE_MAX
)
2948 if (!rdev
->ops
->add_virtual_intf
||
2949 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2952 if ((type
== NL80211_IFTYPE_P2P_DEVICE
|| type
== NL80211_IFTYPE_NAN
||
2953 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2954 info
->attrs
[NL80211_ATTR_MAC
]) {
2955 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2957 if (!is_valid_ether_addr(params
.macaddr
))
2958 return -EADDRNOTAVAIL
;
2961 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2962 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2963 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2968 err
= nl80211_parse_mon_options(rdev
, type
, info
, ¶ms
);
2972 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2976 wdev
= rdev_add_virtual_intf(rdev
,
2977 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2978 NET_NAME_USER
, type
, ¶ms
);
2979 if (WARN_ON(!wdev
)) {
2982 } else if (IS_ERR(wdev
)) {
2984 return PTR_ERR(wdev
);
2987 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2988 wdev
->owner_nlportid
= info
->snd_portid
;
2991 case NL80211_IFTYPE_MESH_POINT
:
2992 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2995 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2996 IEEE80211_MAX_MESH_ID_LEN
);
2997 wdev
->mesh_id_up_len
=
2998 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2999 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
3000 wdev
->mesh_id_up_len
);
3003 case NL80211_IFTYPE_NAN
:
3004 case NL80211_IFTYPE_P2P_DEVICE
:
3006 * P2P Device and NAN do not have a netdev, so don't go
3007 * through the netdev notifier and must be added here
3009 mutex_init(&wdev
->mtx
);
3010 INIT_LIST_HEAD(&wdev
->event_list
);
3011 spin_lock_init(&wdev
->event_lock
);
3012 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
3013 spin_lock_init(&wdev
->mgmt_registrations_lock
);
3015 wdev
->identifier
= ++rdev
->wdev_id
;
3016 list_add_rcu(&wdev
->list
, &rdev
->wiphy
.wdev_list
);
3017 rdev
->devlist_generation
++;
3023 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3024 rdev
, wdev
, false) < 0) {
3030 * For wdevs which have no associated netdev object (e.g. of type
3031 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
3032 * For all other types, the event will be generated from the
3036 nl80211_notify_iface(rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
);
3038 return genlmsg_reply(msg
, info
);
3041 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3043 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3044 struct wireless_dev
*wdev
= info
->user_ptr
[1];
3046 if (!rdev
->ops
->del_virtual_intf
)
3050 * If we remove a wireless device without a netdev then clear
3051 * user_ptr[1] so that nl80211_post_doit won't dereference it
3052 * to check if it needs to do dev_put(). Otherwise it crashes
3053 * since the wdev has been freed, unlike with a netdev where
3054 * we need the dev_put() for the netdev to really be freed.
3057 info
->user_ptr
[1] = NULL
;
3059 return rdev_del_virtual_intf(rdev
, wdev
);
3062 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
3064 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3065 struct net_device
*dev
= info
->user_ptr
[1];
3068 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
3071 if (!rdev
->ops
->set_noack_map
)
3074 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
3076 return rdev_set_noack_map(rdev
, dev
, noack_map
);
3079 struct get_key_cookie
{
3080 struct sk_buff
*msg
;
3085 static void get_key_callback(void *c
, struct key_params
*params
)
3088 struct get_key_cookie
*cookie
= c
;
3091 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
3092 params
->key_len
, params
->key
)) ||
3094 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
3095 params
->seq_len
, params
->seq
)) ||
3097 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
3099 goto nla_put_failure
;
3101 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
3103 goto nla_put_failure
;
3106 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
3107 params
->key_len
, params
->key
)) ||
3109 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
3110 params
->seq_len
, params
->seq
)) ||
3112 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
3114 goto nla_put_failure
;
3116 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
3117 goto nla_put_failure
;
3119 nla_nest_end(cookie
->msg
, key
);
3126 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
3128 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3130 struct net_device
*dev
= info
->user_ptr
[1];
3132 const u8
*mac_addr
= NULL
;
3134 struct get_key_cookie cookie
= {
3138 struct sk_buff
*msg
;
3140 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
3141 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
3146 if (info
->attrs
[NL80211_ATTR_MAC
])
3147 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3149 pairwise
= !!mac_addr
;
3150 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
3151 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
3153 if (kt
>= NUM_NL80211_KEYTYPES
)
3155 if (kt
!= NL80211_KEYTYPE_GROUP
&&
3156 kt
!= NL80211_KEYTYPE_PAIRWISE
)
3158 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
3161 if (!rdev
->ops
->get_key
)
3164 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3167 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3171 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3172 NL80211_CMD_NEW_KEY
);
3174 goto nla_put_failure
;
3177 cookie
.idx
= key_idx
;
3179 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3180 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3181 goto nla_put_failure
;
3183 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3184 goto nla_put_failure
;
3186 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3193 goto nla_put_failure
;
3195 genlmsg_end(msg
, hdr
);
3196 return genlmsg_reply(msg
, info
);
3205 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3207 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3208 struct key_parse key
;
3210 struct net_device
*dev
= info
->user_ptr
[1];
3212 err
= nl80211_parse_key(info
, &key
);
3219 /* only support setting default key */
3220 if (!key
.def
&& !key
.defmgmt
)
3223 wdev_lock(dev
->ieee80211_ptr
);
3226 if (!rdev
->ops
->set_default_key
) {
3231 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3235 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3236 key
.def_uni
, key
.def_multi
);
3241 #ifdef CONFIG_CFG80211_WEXT
3242 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3245 if (key
.def_uni
|| !key
.def_multi
) {
3250 if (!rdev
->ops
->set_default_mgmt_key
) {
3255 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3259 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3263 #ifdef CONFIG_CFG80211_WEXT
3264 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3269 wdev_unlock(dev
->ieee80211_ptr
);
3274 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3276 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3278 struct net_device
*dev
= info
->user_ptr
[1];
3279 struct key_parse key
;
3280 const u8
*mac_addr
= NULL
;
3282 err
= nl80211_parse_key(info
, &key
);
3289 if (info
->attrs
[NL80211_ATTR_MAC
])
3290 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3292 if (key
.type
== -1) {
3294 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3296 key
.type
= NL80211_KEYTYPE_GROUP
;
3300 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3301 key
.type
!= NL80211_KEYTYPE_GROUP
)
3304 if (!rdev
->ops
->add_key
)
3307 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3308 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3312 wdev_lock(dev
->ieee80211_ptr
);
3313 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3315 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3316 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3318 wdev_unlock(dev
->ieee80211_ptr
);
3323 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3325 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3327 struct net_device
*dev
= info
->user_ptr
[1];
3328 u8
*mac_addr
= NULL
;
3329 struct key_parse key
;
3331 err
= nl80211_parse_key(info
, &key
);
3335 if (info
->attrs
[NL80211_ATTR_MAC
])
3336 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3338 if (key
.type
== -1) {
3340 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3342 key
.type
= NL80211_KEYTYPE_GROUP
;
3346 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3347 key
.type
!= NL80211_KEYTYPE_GROUP
)
3350 if (!rdev
->ops
->del_key
)
3353 wdev_lock(dev
->ieee80211_ptr
);
3354 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3356 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3357 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3361 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3362 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3365 #ifdef CONFIG_CFG80211_WEXT
3367 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3368 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3369 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3370 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3373 wdev_unlock(dev
->ieee80211_ptr
);
3378 /* This function returns an error or the number of nested attributes */
3379 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3381 struct nlattr
*attr
;
3382 int n_entries
= 0, tmp
;
3384 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3385 if (nla_len(attr
) != ETH_ALEN
)
3395 * This function parses ACL information and allocates memory for ACL data.
3396 * On successful return, the calling function is responsible to free the
3397 * ACL buffer returned by this function.
3399 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3400 struct genl_info
*info
)
3402 enum nl80211_acl_policy acl_policy
;
3403 struct nlattr
*attr
;
3404 struct cfg80211_acl_data
*acl
;
3405 int i
= 0, n_entries
, tmp
;
3407 if (!wiphy
->max_acl_mac_addrs
)
3408 return ERR_PTR(-EOPNOTSUPP
);
3410 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3411 return ERR_PTR(-EINVAL
);
3413 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3414 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3415 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3416 return ERR_PTR(-EINVAL
);
3418 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3419 return ERR_PTR(-EINVAL
);
3421 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3423 return ERR_PTR(n_entries
);
3425 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3426 return ERR_PTR(-ENOTSUPP
);
3428 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3431 return ERR_PTR(-ENOMEM
);
3433 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3434 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3438 acl
->n_acl_entries
= n_entries
;
3439 acl
->acl_policy
= acl_policy
;
3444 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3446 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3447 struct net_device
*dev
= info
->user_ptr
[1];
3448 struct cfg80211_acl_data
*acl
;
3451 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3452 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3455 if (!dev
->ieee80211_ptr
->beacon_interval
)
3458 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3460 return PTR_ERR(acl
);
3462 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3469 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
3470 u8
*rates
, u8 rates_len
)
3475 for (i
= 0; i
< rates_len
; i
++) {
3476 int rate
= (rates
[i
] & 0x7f) * 5;
3479 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
3480 struct ieee80211_rate
*srate
=
3481 &sband
->bitrates
[ridx
];
3482 if (rate
== srate
->bitrate
) {
3487 if (ridx
== sband
->n_bitrates
)
3488 return 0; /* rate not found */
3494 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
3495 u8
*rates
, u8 rates_len
,
3496 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
3500 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3502 for (i
= 0; i
< rates_len
; i
++) {
3505 ridx
= rates
[i
] / 8;
3506 rbit
= BIT(rates
[i
] % 8);
3508 /* check validity */
3509 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
3512 /* check availability */
3513 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
3522 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
3526 switch (vht_mcs_map
) {
3527 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
3529 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
3532 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
3535 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
3545 static void vht_build_mcs_mask(u16 vht_mcs_map
,
3546 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
3550 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
3551 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
3556 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
3557 struct nl80211_txrate_vht
*txrate
,
3558 u16 mcs
[NL80211_VHT_NSS_MAX
])
3560 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3561 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
3564 if (!sband
->vht_cap
.vht_supported
)
3567 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
3569 /* Build vht_mcs_mask from VHT capabilities */
3570 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
3572 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3573 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
3574 mcs
[i
] = txrate
->mcs
[i
];
3582 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
3583 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
3584 .len
= NL80211_MAX_SUPP_RATES
},
3585 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
3586 .len
= NL80211_MAX_SUPP_HT_RATES
},
3587 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
3588 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
3591 static int nl80211_parse_tx_bitrate_mask(struct genl_info
*info
,
3592 struct cfg80211_bitrate_mask
*mask
)
3594 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
3595 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3597 struct nlattr
*tx_rates
;
3598 struct ieee80211_supported_band
*sband
;
3601 memset(mask
, 0, sizeof(*mask
));
3602 /* Default to all rates enabled */
3603 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
3604 sband
= rdev
->wiphy
.bands
[i
];
3609 mask
->control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
3610 memcpy(mask
->control
[i
].ht_mcs
,
3611 sband
->ht_cap
.mcs
.rx_mask
,
3612 sizeof(mask
->control
[i
].ht_mcs
));
3614 if (!sband
->vht_cap
.vht_supported
)
3617 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3618 vht_build_mcs_mask(vht_tx_mcs_map
, mask
->control
[i
].vht_mcs
);
3621 /* if no rates are given set it back to the defaults */
3622 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
3625 /* The nested attribute uses enum nl80211_band as the index. This maps
3626 * directly to the enum nl80211_band values used in cfg80211.
3628 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
3629 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
3630 enum nl80211_band band
= nla_type(tx_rates
);
3633 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
3635 sband
= rdev
->wiphy
.bands
[band
];
3638 err
= nla_parse_nested(tb
, NL80211_TXRATE_MAX
, tx_rates
,
3639 nl80211_txattr_policy
, info
->extack
);
3642 if (tb
[NL80211_TXRATE_LEGACY
]) {
3643 mask
->control
[band
].legacy
= rateset_to_mask(
3645 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
3646 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
3647 if ((mask
->control
[band
].legacy
== 0) &&
3648 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
3651 if (tb
[NL80211_TXRATE_HT
]) {
3652 if (!ht_rateset_to_mask(
3654 nla_data(tb
[NL80211_TXRATE_HT
]),
3655 nla_len(tb
[NL80211_TXRATE_HT
]),
3656 mask
->control
[band
].ht_mcs
))
3659 if (tb
[NL80211_TXRATE_VHT
]) {
3660 if (!vht_set_mcs_mask(
3662 nla_data(tb
[NL80211_TXRATE_VHT
]),
3663 mask
->control
[band
].vht_mcs
))
3666 if (tb
[NL80211_TXRATE_GI
]) {
3667 mask
->control
[band
].gi
=
3668 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
3669 if (mask
->control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
3673 if (mask
->control
[band
].legacy
== 0) {
3674 /* don't allow empty legacy rates if HT or VHT
3675 * are not even supported.
3677 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
3678 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
3681 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
3682 if (mask
->control
[band
].ht_mcs
[i
])
3685 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
3686 if (mask
->control
[band
].vht_mcs
[i
])
3689 /* legacy and mcs rates may not be both empty */
3698 static int validate_beacon_tx_rate(struct cfg80211_registered_device
*rdev
,
3699 enum nl80211_band band
,
3700 struct cfg80211_bitrate_mask
*beacon_rate
)
3702 u32 count_ht
, count_vht
, i
;
3703 u32 rate
= beacon_rate
->control
[band
].legacy
;
3705 /* Allow only one rate */
3706 if (hweight32(rate
) > 1)
3710 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
3711 if (hweight8(beacon_rate
->control
[band
].ht_mcs
[i
]) > 1) {
3713 } else if (beacon_rate
->control
[band
].ht_mcs
[i
]) {
3718 if (count_ht
&& rate
)
3723 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3724 if (hweight16(beacon_rate
->control
[band
].vht_mcs
[i
]) > 1) {
3726 } else if (beacon_rate
->control
[band
].vht_mcs
[i
]) {
3731 if (count_vht
&& rate
)
3735 if ((count_ht
&& count_vht
) || (!rate
&& !count_ht
&& !count_vht
))
3739 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3740 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY
))
3743 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3744 NL80211_EXT_FEATURE_BEACON_RATE_HT
))
3747 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3748 NL80211_EXT_FEATURE_BEACON_RATE_VHT
))
3754 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3755 struct cfg80211_beacon_data
*bcn
)
3757 bool haveinfo
= false;
3759 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3760 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3761 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3762 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3765 memset(bcn
, 0, sizeof(*bcn
));
3767 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3768 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3769 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3775 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3776 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3777 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3784 if (attrs
[NL80211_ATTR_IE
]) {
3785 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3786 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3789 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3790 bcn
->proberesp_ies
=
3791 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3792 bcn
->proberesp_ies_len
=
3793 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3796 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3797 bcn
->assocresp_ies
=
3798 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3799 bcn
->assocresp_ies_len
=
3800 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3803 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3804 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3805 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3811 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings
*params
,
3819 for (i
= 0; i
< rates
[1]; i
++) {
3820 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_HT_PHY
)
3821 params
->ht_required
= true;
3822 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY
)
3823 params
->vht_required
= true;
3828 * Since the nl80211 API didn't include, from the beginning, attributes about
3829 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
3830 * benefit of drivers that rebuild IEs in the firmware.
3832 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings
*params
)
3834 const struct cfg80211_beacon_data
*bcn
= ¶ms
->beacon
;
3835 size_t ies_len
= bcn
->tail_len
;
3836 const u8
*ies
= bcn
->tail
;
3840 rates
= cfg80211_find_ie(WLAN_EID_SUPP_RATES
, ies
, ies_len
);
3841 nl80211_check_ap_rate_selectors(params
, rates
);
3843 rates
= cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES
, ies
, ies_len
);
3844 nl80211_check_ap_rate_selectors(params
, rates
);
3846 cap
= cfg80211_find_ie(WLAN_EID_HT_CAPABILITY
, ies
, ies_len
);
3847 if (cap
&& cap
[1] >= sizeof(*params
->ht_cap
))
3848 params
->ht_cap
= (void *)(cap
+ 2);
3849 cap
= cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY
, ies
, ies_len
);
3850 if (cap
&& cap
[1] >= sizeof(*params
->vht_cap
))
3851 params
->vht_cap
= (void *)(cap
+ 2);
3854 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3855 struct cfg80211_ap_settings
*params
)
3857 struct wireless_dev
*wdev
;
3860 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3861 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3862 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3865 if (!wdev
->preset_chandef
.chan
)
3868 params
->chandef
= wdev
->preset_chandef
;
3876 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3877 enum nl80211_auth_type auth_type
,
3878 enum nl80211_commands cmd
)
3880 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3884 case NL80211_CMD_AUTHENTICATE
:
3885 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3886 auth_type
== NL80211_AUTHTYPE_SAE
)
3888 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
3889 NL80211_EXT_FEATURE_FILS_STA
) &&
3890 (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3891 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3892 auth_type
== NL80211_AUTHTYPE_FILS_PK
))
3895 case NL80211_CMD_CONNECT
:
3896 /* SAE not supported yet */
3897 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3899 /* FILS with SK PFS or PK not supported yet */
3900 if (auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3901 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3903 if (!wiphy_ext_feature_isset(
3905 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
3906 auth_type
== NL80211_AUTHTYPE_FILS_SK
)
3909 case NL80211_CMD_START_AP
:
3910 /* SAE not supported yet */
3911 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3913 /* FILS not supported yet */
3914 if (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3915 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3916 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3924 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3926 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3927 struct net_device
*dev
= info
->user_ptr
[1];
3928 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3929 struct cfg80211_ap_settings params
;
3932 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3933 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3936 if (!rdev
->ops
->start_ap
)
3939 if (wdev
->beacon_interval
)
3942 memset(¶ms
, 0, sizeof(params
));
3944 /* these are required for START_AP */
3945 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3946 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3947 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3950 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3954 params
.beacon_interval
=
3955 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3956 params
.dtim_period
=
3957 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3959 err
= cfg80211_validate_beacon_int(rdev
, dev
->ieee80211_ptr
->iftype
,
3960 params
.beacon_interval
);
3965 * In theory, some of these attributes should be required here
3966 * but since they were not used when the command was originally
3967 * added, keep them optional for old user space programs to let
3968 * them continue to work with drivers that do not need the
3969 * additional information -- drivers must check!
3971 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3972 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3974 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3975 if (params
.ssid_len
== 0 ||
3976 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3980 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3981 params
.hidden_ssid
= nla_get_u32(
3982 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3983 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3984 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3985 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3989 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3991 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3992 params
.auth_type
= nla_get_u32(
3993 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3994 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3995 NL80211_CMD_START_AP
))
3998 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
4000 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
4001 NL80211_MAX_NR_CIPHER_SUITES
);
4005 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
4006 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
4008 params
.inactivity_timeout
= nla_get_u16(
4009 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
4012 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4013 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4015 params
.p2p_ctwindow
=
4016 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4017 if (params
.p2p_ctwindow
> 127)
4019 if (params
.p2p_ctwindow
!= 0 &&
4020 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4024 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4027 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4029 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4032 params
.p2p_opp_ps
= tmp
;
4033 if (params
.p2p_opp_ps
!= 0 &&
4034 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4038 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4039 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
4042 } else if (wdev
->preset_chandef
.chan
) {
4043 params
.chandef
= wdev
->preset_chandef
;
4044 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
4047 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
4051 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
4052 err
= nl80211_parse_tx_bitrate_mask(info
, ¶ms
.beacon_rate
);
4056 err
= validate_beacon_tx_rate(rdev
, params
.chandef
.chan
->band
,
4057 ¶ms
.beacon_rate
);
4062 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
4064 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
4065 switch (params
.smps_mode
) {
4066 case NL80211_SMPS_OFF
:
4068 case NL80211_SMPS_STATIC
:
4069 if (!(rdev
->wiphy
.features
&
4070 NL80211_FEATURE_STATIC_SMPS
))
4073 case NL80211_SMPS_DYNAMIC
:
4074 if (!(rdev
->wiphy
.features
&
4075 NL80211_FEATURE_DYNAMIC_SMPS
))
4082 params
.smps_mode
= NL80211_SMPS_OFF
;
4085 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
4086 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
4089 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
4090 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
4091 if (IS_ERR(params
.acl
))
4092 return PTR_ERR(params
.acl
);
4095 nl80211_calculate_ap_params(¶ms
);
4098 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
4100 wdev
->preset_chandef
= params
.chandef
;
4101 wdev
->beacon_interval
= params
.beacon_interval
;
4102 wdev
->chandef
= params
.chandef
;
4103 wdev
->ssid_len
= params
.ssid_len
;
4104 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
4113 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
4115 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4116 struct net_device
*dev
= info
->user_ptr
[1];
4117 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4118 struct cfg80211_beacon_data params
;
4121 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4122 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4125 if (!rdev
->ops
->change_beacon
)
4128 if (!wdev
->beacon_interval
)
4131 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
4136 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
4142 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
4144 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4145 struct net_device
*dev
= info
->user_ptr
[1];
4147 return cfg80211_stop_ap(rdev
, dev
, false);
4150 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
4151 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
4152 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
4153 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
4154 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
4155 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
4156 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
4159 static int parse_station_flags(struct genl_info
*info
,
4160 enum nl80211_iftype iftype
,
4161 struct station_parameters
*params
)
4163 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
4168 * Try parsing the new attribute first so userspace
4169 * can specify both for older kernels.
4171 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
4173 struct nl80211_sta_flag_update
*sta_flags
;
4175 sta_flags
= nla_data(nla
);
4176 params
->sta_flags_mask
= sta_flags
->mask
;
4177 params
->sta_flags_set
= sta_flags
->set
;
4178 params
->sta_flags_set
&= params
->sta_flags_mask
;
4179 if ((params
->sta_flags_mask
|
4180 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
4185 /* if present, parse the old attribute */
4187 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
4191 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
, nla
,
4192 sta_flags_policy
, info
->extack
))
4196 * Only allow certain flags for interface types so that
4197 * other attributes are silently ignored. Remember that
4198 * this is backward compatibility code with old userspace
4199 * and shouldn't be hit in other cases anyway.
4202 case NL80211_IFTYPE_AP
:
4203 case NL80211_IFTYPE_AP_VLAN
:
4204 case NL80211_IFTYPE_P2P_GO
:
4205 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4206 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4207 BIT(NL80211_STA_FLAG_WME
) |
4208 BIT(NL80211_STA_FLAG_MFP
);
4210 case NL80211_IFTYPE_P2P_CLIENT
:
4211 case NL80211_IFTYPE_STATION
:
4212 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4213 BIT(NL80211_STA_FLAG_TDLS_PEER
);
4215 case NL80211_IFTYPE_MESH_POINT
:
4216 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4217 BIT(NL80211_STA_FLAG_MFP
) |
4218 BIT(NL80211_STA_FLAG_AUTHORIZED
);
4223 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
4225 params
->sta_flags_set
|= (1<<flag
);
4227 /* no longer support new API additions in old API */
4228 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
4236 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
4239 struct nlattr
*rate
;
4242 enum nl80211_rate_info rate_flg
;
4244 rate
= nla_nest_start(msg
, attr
);
4248 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4249 bitrate
= cfg80211_calculate_bitrate(info
);
4250 /* report 16-bit bitrate only if we can */
4251 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
4253 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
4255 if (bitrate_compat
> 0 &&
4256 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
4260 case RATE_INFO_BW_5
:
4261 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
4263 case RATE_INFO_BW_10
:
4264 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
4269 case RATE_INFO_BW_20
:
4272 case RATE_INFO_BW_40
:
4273 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
4275 case RATE_INFO_BW_80
:
4276 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
4278 case RATE_INFO_BW_160
:
4279 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
4283 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
4286 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
4287 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
4289 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4290 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4292 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
4293 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
4295 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
4297 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4298 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4302 nla_nest_end(msg
, rate
);
4306 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
4315 attr
= nla_nest_start(msg
, id
);
4319 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
4320 if (!(mask
& BIT(i
)))
4323 if (nla_put_u8(msg
, i
, signal
[i
]))
4327 nla_nest_end(msg
, attr
);
4332 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
4334 struct cfg80211_registered_device
*rdev
,
4335 struct net_device
*dev
,
4336 const u8
*mac_addr
, struct station_info
*sinfo
)
4339 struct nlattr
*sinfoattr
, *bss_param
;
4341 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
4345 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4346 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
4347 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
4348 goto nla_put_failure
;
4350 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
4352 goto nla_put_failure
;
4354 #define PUT_SINFO(attr, memb, type) do { \
4355 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4356 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4357 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4359 goto nla_put_failure; \
4361 #define PUT_SINFO_U64(attr, memb) do { \
4362 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4363 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4364 sinfo->memb, NL80211_STA_INFO_PAD)) \
4365 goto nla_put_failure; \
4368 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
4369 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
4371 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
4372 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
4373 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
4374 (u32
)sinfo
->rx_bytes
))
4375 goto nla_put_failure
;
4377 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
4378 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
4379 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
4380 (u32
)sinfo
->tx_bytes
))
4381 goto nla_put_failure
;
4383 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
4384 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
4385 PUT_SINFO(LLID
, llid
, u16
);
4386 PUT_SINFO(PLID
, plid
, u16
);
4387 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
4388 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
4390 switch (rdev
->wiphy
.signal_type
) {
4391 case CFG80211_SIGNAL_TYPE_MBM
:
4392 PUT_SINFO(SIGNAL
, signal
, u8
);
4393 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
4398 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
4399 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4400 sinfo
->chain_signal
,
4401 NL80211_STA_INFO_CHAIN_SIGNAL
))
4402 goto nla_put_failure
;
4404 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
4405 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4406 sinfo
->chain_signal_avg
,
4407 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
4408 goto nla_put_failure
;
4410 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
4411 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
4412 NL80211_STA_INFO_TX_BITRATE
))
4413 goto nla_put_failure
;
4415 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
4416 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
4417 NL80211_STA_INFO_RX_BITRATE
))
4418 goto nla_put_failure
;
4421 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
4422 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
4423 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
4424 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
4425 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
4426 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
4427 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
4428 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
4429 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
4431 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
4432 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
4434 goto nla_put_failure
;
4436 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
4437 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
4438 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
4439 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
4440 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
4441 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
4442 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
4443 sinfo
->bss_param
.dtim_period
) ||
4444 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
4445 sinfo
->bss_param
.beacon_interval
))
4446 goto nla_put_failure
;
4448 nla_nest_end(msg
, bss_param
);
4450 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
4451 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
4452 sizeof(struct nl80211_sta_flag_update
),
4454 goto nla_put_failure
;
4456 PUT_SINFO_U64(T_OFFSET
, t_offset
);
4457 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
4458 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
4459 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
4462 #undef PUT_SINFO_U64
4464 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
4465 struct nlattr
*tidsattr
;
4468 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
4470 goto nla_put_failure
;
4472 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
4473 struct cfg80211_tid_stats
*tidstats
;
4474 struct nlattr
*tidattr
;
4476 tidstats
= &sinfo
->pertid
[tid
];
4478 if (!tidstats
->filled
)
4481 tidattr
= nla_nest_start(msg
, tid
+ 1);
4483 goto nla_put_failure
;
4485 #define PUT_TIDVAL_U64(attr, memb) do { \
4486 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4487 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4488 tidstats->memb, NL80211_TID_STATS_PAD)) \
4489 goto nla_put_failure; \
4492 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
4493 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
4494 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
4495 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
4497 #undef PUT_TIDVAL_U64
4498 nla_nest_end(msg
, tidattr
);
4501 nla_nest_end(msg
, tidsattr
);
4504 nla_nest_end(msg
, sinfoattr
);
4506 if (sinfo
->assoc_req_ies_len
&&
4507 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
4508 sinfo
->assoc_req_ies
))
4509 goto nla_put_failure
;
4511 genlmsg_end(msg
, hdr
);
4515 genlmsg_cancel(msg
, hdr
);
4519 static int nl80211_dump_station(struct sk_buff
*skb
,
4520 struct netlink_callback
*cb
)
4522 struct station_info sinfo
;
4523 struct cfg80211_registered_device
*rdev
;
4524 struct wireless_dev
*wdev
;
4525 u8 mac_addr
[ETH_ALEN
];
4526 int sta_idx
= cb
->args
[2];
4530 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4534 if (!wdev
->netdev
) {
4539 if (!rdev
->ops
->dump_station
) {
4545 memset(&sinfo
, 0, sizeof(sinfo
));
4546 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
4553 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
4554 NETLINK_CB(cb
->skb
).portid
,
4555 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4556 rdev
, wdev
->netdev
, mac_addr
,
4564 cb
->args
[2] = sta_idx
;
4572 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
4574 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4575 struct net_device
*dev
= info
->user_ptr
[1];
4576 struct station_info sinfo
;
4577 struct sk_buff
*msg
;
4578 u8
*mac_addr
= NULL
;
4581 memset(&sinfo
, 0, sizeof(sinfo
));
4583 if (!info
->attrs
[NL80211_ATTR_MAC
])
4586 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4588 if (!rdev
->ops
->get_station
)
4591 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
4595 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4599 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4600 info
->snd_portid
, info
->snd_seq
, 0,
4601 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4606 return genlmsg_reply(msg
, info
);
4609 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4610 struct station_parameters
*params
,
4611 enum cfg80211_station_type statype
)
4613 if (params
->listen_interval
!= -1 &&
4614 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4617 if (params
->support_p2p_ps
!= -1 &&
4618 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4622 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4623 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4626 /* When you run into this, adjust the code below for the new flag */
4627 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4630 case CFG80211_STA_MESH_PEER_KERNEL
:
4631 case CFG80211_STA_MESH_PEER_USER
:
4633 * No ignoring the TDLS flag here -- the userspace mesh
4634 * code doesn't have the bug of including TDLS in the
4637 if (params
->sta_flags_mask
&
4638 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4639 BIT(NL80211_STA_FLAG_MFP
) |
4640 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4643 case CFG80211_STA_TDLS_PEER_SETUP
:
4644 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4645 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4647 /* ignore since it can't change */
4648 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4651 /* disallow mesh-specific things */
4652 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4654 if (params
->local_pm
)
4656 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4660 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4661 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4662 /* TDLS can't be set, ... */
4663 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4666 * ... but don't bother the driver with it. This works around
4667 * a hostapd/wpa_supplicant issue -- it always includes the
4668 * TLDS_PEER flag in the mask even for AP mode.
4670 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4673 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4674 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4675 /* reject other things that can't change */
4676 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4678 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4680 if (params
->supported_rates
)
4682 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4686 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4687 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4693 case CFG80211_STA_AP_MLME_CLIENT
:
4694 /* Use this only for authorizing/unauthorizing a station */
4695 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4698 case CFG80211_STA_AP_CLIENT
:
4699 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4700 /* accept only the listed bits */
4701 if (params
->sta_flags_mask
&
4702 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4703 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4704 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4705 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4706 BIT(NL80211_STA_FLAG_WME
) |
4707 BIT(NL80211_STA_FLAG_MFP
)))
4710 /* but authenticated/associated only if driver handles it */
4711 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4712 params
->sta_flags_mask
&
4713 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4714 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4717 case CFG80211_STA_IBSS
:
4718 case CFG80211_STA_AP_STA
:
4719 /* reject any changes other than AUTHORIZED */
4720 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4723 case CFG80211_STA_TDLS_PEER_SETUP
:
4724 /* reject any changes other than AUTHORIZED or WME */
4725 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4726 BIT(NL80211_STA_FLAG_WME
)))
4728 /* force (at least) rates when authorizing */
4729 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4730 !params
->supported_rates
)
4733 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4734 /* reject any changes */
4736 case CFG80211_STA_MESH_PEER_KERNEL
:
4737 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4740 case CFG80211_STA_MESH_PEER_USER
:
4741 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4742 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4748 * Older kernel versions ignored this attribute entirely, so don't
4749 * reject attempts to update it but mark it as unused instead so the
4750 * driver won't look at the data.
4752 if (statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
&&
4753 statype
!= CFG80211_STA_TDLS_PEER_SETUP
)
4754 params
->opmode_notif_used
= false;
4758 EXPORT_SYMBOL(cfg80211_check_station_change
);
4761 * Get vlan interface making sure it is running and on the right wiphy.
4763 static struct net_device
*get_vlan(struct genl_info
*info
,
4764 struct cfg80211_registered_device
*rdev
)
4766 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4767 struct net_device
*v
;
4773 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4775 return ERR_PTR(-ENODEV
);
4777 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4782 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4783 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4784 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4789 if (!netif_running(v
)) {
4797 return ERR_PTR(ret
);
4800 static const struct nla_policy
4801 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4802 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4803 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4806 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4807 struct station_parameters
*params
)
4809 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4813 /* parse WME attributes if present */
4814 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4817 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4818 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4819 nl80211_sta_wme_policy
, info
->extack
);
4823 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4824 params
->uapsd_queues
= nla_get_u8(
4825 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4826 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4829 if (tb
[NL80211_STA_WME_MAX_SP
])
4830 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4832 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4835 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4840 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4841 struct station_parameters
*params
)
4843 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4844 params
->supported_channels
=
4845 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4846 params
->supported_channels_len
=
4847 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4849 * Need to include at least one (first channel, number of
4850 * channels) tuple for each subband, and must have proper
4851 * tuples for the rest of the data as well.
4853 if (params
->supported_channels_len
< 2)
4855 if (params
->supported_channels_len
% 2)
4859 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4860 params
->supported_oper_classes
=
4861 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4862 params
->supported_oper_classes_len
=
4863 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4865 * The value of the Length field of the Supported Operating
4866 * Classes element is between 2 and 253.
4868 if (params
->supported_oper_classes_len
< 2 ||
4869 params
->supported_oper_classes_len
> 253)
4875 static int nl80211_set_station_tdls(struct genl_info
*info
,
4876 struct station_parameters
*params
)
4879 /* Dummy STA entry gets updated once the peer capabilities are known */
4880 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4881 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4882 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4884 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4885 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4887 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4889 err
= nl80211_parse_sta_channel_info(info
, params
);
4893 return nl80211_parse_sta_wme(info
, params
);
4896 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4898 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4899 struct net_device
*dev
= info
->user_ptr
[1];
4900 struct station_parameters params
;
4904 memset(¶ms
, 0, sizeof(params
));
4906 if (!rdev
->ops
->change_station
)
4910 * AID and listen_interval properties can be set only for unassociated
4911 * station. Include these parameters here and will check them in
4912 * cfg80211_check_station_change().
4914 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4915 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4917 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4918 params
.listen_interval
=
4919 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4921 params
.listen_interval
= -1;
4923 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4926 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4927 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4930 params
.support_p2p_ps
= tmp
;
4932 params
.support_p2p_ps
= -1;
4935 if (!info
->attrs
[NL80211_ATTR_MAC
])
4938 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4940 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4941 params
.supported_rates
=
4942 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4943 params
.supported_rates_len
=
4944 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4947 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4949 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4950 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4953 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4955 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4956 params
.ext_capab_len
=
4957 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4960 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4963 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4964 params
.plink_action
=
4965 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4966 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4970 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4971 params
.plink_state
=
4972 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4973 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4975 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]) {
4976 params
.peer_aid
= nla_get_u16(
4977 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
4978 if (params
.peer_aid
> IEEE80211_MAX_AID
)
4981 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4984 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4985 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4986 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4988 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4989 pm
> NL80211_MESH_POWER_MAX
)
4992 params
.local_pm
= pm
;
4995 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4996 params
.opmode_notif_used
= true;
4997 params
.opmode_notif
=
4998 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5001 /* Include parameters for TDLS peer (will check later) */
5002 err
= nl80211_set_station_tdls(info
, ¶ms
);
5006 params
.vlan
= get_vlan(info
, rdev
);
5007 if (IS_ERR(params
.vlan
))
5008 return PTR_ERR(params
.vlan
);
5010 switch (dev
->ieee80211_ptr
->iftype
) {
5011 case NL80211_IFTYPE_AP
:
5012 case NL80211_IFTYPE_AP_VLAN
:
5013 case NL80211_IFTYPE_P2P_GO
:
5014 case NL80211_IFTYPE_P2P_CLIENT
:
5015 case NL80211_IFTYPE_STATION
:
5016 case NL80211_IFTYPE_ADHOC
:
5017 case NL80211_IFTYPE_MESH_POINT
:
5024 /* driver will call cfg80211_check_station_change() */
5025 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
5029 dev_put(params
.vlan
);
5034 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
5036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5038 struct net_device
*dev
= info
->user_ptr
[1];
5039 struct station_parameters params
;
5040 u8
*mac_addr
= NULL
;
5041 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5042 BIT(NL80211_STA_FLAG_ASSOCIATED
);
5044 memset(¶ms
, 0, sizeof(params
));
5046 if (!rdev
->ops
->add_station
)
5049 if (!info
->attrs
[NL80211_ATTR_MAC
])
5052 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
5055 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
5058 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
5059 !info
->attrs
[NL80211_ATTR_PEER_AID
])
5062 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5063 params
.supported_rates
=
5064 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5065 params
.supported_rates_len
=
5066 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5067 params
.listen_interval
=
5068 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
5070 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
5073 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
5074 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
5077 params
.support_p2p_ps
= tmp
;
5080 * if not specified, assume it's supported for P2P GO interface,
5081 * and is NOT supported for AP interface
5083 params
.support_p2p_ps
=
5084 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
5087 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
5088 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
5090 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
5091 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
5094 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
5096 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
5097 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
5100 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
5102 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5103 params
.ext_capab_len
=
5104 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5107 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
5109 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5111 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
5113 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
5115 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
5116 params
.opmode_notif_used
= true;
5117 params
.opmode_notif
=
5118 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5121 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
5122 params
.plink_action
=
5123 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
5124 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
5128 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
5132 err
= nl80211_parse_sta_wme(info
, ¶ms
);
5136 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
5139 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5140 * as userspace might just pass through the capabilities from the IEs
5141 * directly, rather than enforcing this restriction and returning an
5142 * error in this case.
5144 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
5145 params
.ht_capa
= NULL
;
5146 params
.vht_capa
= NULL
;
5149 /* When you run into this, adjust the code below for the new flag */
5150 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
5152 switch (dev
->ieee80211_ptr
->iftype
) {
5153 case NL80211_IFTYPE_AP
:
5154 case NL80211_IFTYPE_AP_VLAN
:
5155 case NL80211_IFTYPE_P2P_GO
:
5156 /* ignore WME attributes if iface/sta is not capable */
5157 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
5158 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
5159 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5161 /* TDLS peers cannot be added */
5162 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5163 info
->attrs
[NL80211_ATTR_PEER_AID
])
5165 /* but don't bother the driver with it */
5166 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5168 /* allow authenticated/associated only if driver handles it */
5169 if (!(rdev
->wiphy
.features
&
5170 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
5171 params
.sta_flags_mask
& auth_assoc
)
5174 /* Older userspace, or userspace wanting to be compatible with
5175 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5176 * and assoc flags in the mask, but assumes the station will be
5177 * added as associated anyway since this was the required driver
5178 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5180 * In order to not bother drivers with this quirk in the API
5181 * set the flags in both the mask and set for new stations in
5184 if (!(params
.sta_flags_mask
& auth_assoc
)) {
5185 params
.sta_flags_mask
|= auth_assoc
;
5186 params
.sta_flags_set
|= auth_assoc
;
5189 /* must be last in here for error handling */
5190 params
.vlan
= get_vlan(info
, rdev
);
5191 if (IS_ERR(params
.vlan
))
5192 return PTR_ERR(params
.vlan
);
5194 case NL80211_IFTYPE_MESH_POINT
:
5195 /* ignore uAPSD data */
5196 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5198 /* associated is disallowed */
5199 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
5201 /* TDLS peers cannot be added */
5202 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5203 info
->attrs
[NL80211_ATTR_PEER_AID
])
5206 case NL80211_IFTYPE_STATION
:
5207 case NL80211_IFTYPE_P2P_CLIENT
:
5208 /* ignore uAPSD data */
5209 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5211 /* these are disallowed */
5212 if (params
.sta_flags_mask
&
5213 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
5214 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
5216 /* Only TDLS peers can be added */
5217 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
5219 /* Can only add if TDLS ... */
5220 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
5222 /* ... with external setup is supported */
5223 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
5226 * Older wpa_supplicant versions always mark the TDLS peer
5227 * as authorized, but it shouldn't yet be.
5229 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
5235 /* be aware of params.vlan when changing code here */
5237 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
5240 dev_put(params
.vlan
);
5244 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
5246 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5247 struct net_device
*dev
= info
->user_ptr
[1];
5248 struct station_del_parameters params
;
5250 memset(¶ms
, 0, sizeof(params
));
5252 if (info
->attrs
[NL80211_ATTR_MAC
])
5253 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5255 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5256 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5257 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5258 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5261 if (!rdev
->ops
->del_station
)
5264 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
5266 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
5267 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
5268 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
5271 /* Default to Deauthentication frame */
5272 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
5275 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
5276 params
.reason_code
=
5277 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5278 if (params
.reason_code
== 0)
5279 return -EINVAL
; /* 0 is reserved */
5281 /* Default to reason code 2 */
5282 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
5285 return rdev_del_station(rdev
, dev
, ¶ms
);
5288 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5289 int flags
, struct net_device
*dev
,
5290 u8
*dst
, u8
*next_hop
,
5291 struct mpath_info
*pinfo
)
5294 struct nlattr
*pinfoattr
;
5296 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
5300 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5301 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
5302 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
5303 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
5304 goto nla_put_failure
;
5306 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
5308 goto nla_put_failure
;
5309 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
5310 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
5312 goto nla_put_failure
;
5313 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
5314 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
5315 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
5316 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
5318 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
5319 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
5321 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
5322 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
5324 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
5325 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
5326 pinfo
->discovery_timeout
)) ||
5327 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
5328 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
5329 pinfo
->discovery_retries
)))
5330 goto nla_put_failure
;
5332 nla_nest_end(msg
, pinfoattr
);
5334 genlmsg_end(msg
, hdr
);
5338 genlmsg_cancel(msg
, hdr
);
5342 static int nl80211_dump_mpath(struct sk_buff
*skb
,
5343 struct netlink_callback
*cb
)
5345 struct mpath_info pinfo
;
5346 struct cfg80211_registered_device
*rdev
;
5347 struct wireless_dev
*wdev
;
5349 u8 next_hop
[ETH_ALEN
];
5350 int path_idx
= cb
->args
[2];
5354 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5358 if (!rdev
->ops
->dump_mpath
) {
5363 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5369 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
5376 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5377 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5378 wdev
->netdev
, dst
, next_hop
,
5386 cb
->args
[2] = path_idx
;
5393 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5395 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5397 struct net_device
*dev
= info
->user_ptr
[1];
5398 struct mpath_info pinfo
;
5399 struct sk_buff
*msg
;
5401 u8 next_hop
[ETH_ALEN
];
5403 memset(&pinfo
, 0, sizeof(pinfo
));
5405 if (!info
->attrs
[NL80211_ATTR_MAC
])
5408 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5410 if (!rdev
->ops
->get_mpath
)
5413 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5416 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
5420 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5424 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5425 dev
, dst
, next_hop
, &pinfo
) < 0) {
5430 return genlmsg_reply(msg
, info
);
5433 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5435 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5436 struct net_device
*dev
= info
->user_ptr
[1];
5438 u8
*next_hop
= NULL
;
5440 if (!info
->attrs
[NL80211_ATTR_MAC
])
5443 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5446 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5447 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5449 if (!rdev
->ops
->change_mpath
)
5452 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5455 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
5458 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5460 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5461 struct net_device
*dev
= info
->user_ptr
[1];
5463 u8
*next_hop
= NULL
;
5465 if (!info
->attrs
[NL80211_ATTR_MAC
])
5468 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5471 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5472 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5474 if (!rdev
->ops
->add_mpath
)
5477 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5480 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
5483 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5485 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5486 struct net_device
*dev
= info
->user_ptr
[1];
5489 if (info
->attrs
[NL80211_ATTR_MAC
])
5490 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5492 if (!rdev
->ops
->del_mpath
)
5495 return rdev_del_mpath(rdev
, dev
, dst
);
5498 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
5500 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5502 struct net_device
*dev
= info
->user_ptr
[1];
5503 struct mpath_info pinfo
;
5504 struct sk_buff
*msg
;
5508 memset(&pinfo
, 0, sizeof(pinfo
));
5510 if (!info
->attrs
[NL80211_ATTR_MAC
])
5513 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5515 if (!rdev
->ops
->get_mpp
)
5518 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5521 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
5525 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5529 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5530 dev
, dst
, mpp
, &pinfo
) < 0) {
5535 return genlmsg_reply(msg
, info
);
5538 static int nl80211_dump_mpp(struct sk_buff
*skb
,
5539 struct netlink_callback
*cb
)
5541 struct mpath_info pinfo
;
5542 struct cfg80211_registered_device
*rdev
;
5543 struct wireless_dev
*wdev
;
5546 int path_idx
= cb
->args
[2];
5550 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5554 if (!rdev
->ops
->dump_mpp
) {
5559 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5565 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
5572 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5573 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5574 wdev
->netdev
, dst
, mpp
,
5582 cb
->args
[2] = path_idx
;
5589 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
5591 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5592 struct net_device
*dev
= info
->user_ptr
[1];
5593 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5594 struct bss_parameters params
;
5597 memset(¶ms
, 0, sizeof(params
));
5598 /* default to not changing parameters */
5599 params
.use_cts_prot
= -1;
5600 params
.use_short_preamble
= -1;
5601 params
.use_short_slot_time
= -1;
5602 params
.ap_isolate
= -1;
5603 params
.ht_opmode
= -1;
5604 params
.p2p_ctwindow
= -1;
5605 params
.p2p_opp_ps
= -1;
5607 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
5608 params
.use_cts_prot
=
5609 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
5610 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
5611 params
.use_short_preamble
=
5612 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
5613 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
5614 params
.use_short_slot_time
=
5615 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
5616 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5617 params
.basic_rates
=
5618 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5619 params
.basic_rates_len
=
5620 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5622 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5623 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5624 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5626 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5628 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5629 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5631 params
.p2p_ctwindow
=
5632 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5633 if (params
.p2p_ctwindow
< 0)
5635 if (params
.p2p_ctwindow
!= 0 &&
5636 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5640 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5643 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5645 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5648 params
.p2p_opp_ps
= tmp
;
5649 if (params
.p2p_opp_ps
&&
5650 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5654 if (!rdev
->ops
->change_bss
)
5657 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5658 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5662 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5668 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5672 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5676 * You should only get this when cfg80211 hasn't yet initialized
5677 * completely when built-in to the kernel right between the time
5678 * window between nl80211_init() and regulatory_init(), if that is
5681 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5682 return -EINPROGRESS
;
5684 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5685 user_reg_hint_type
=
5686 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5688 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5690 switch (user_reg_hint_type
) {
5691 case NL80211_USER_REG_HINT_USER
:
5692 case NL80211_USER_REG_HINT_CELL_BASE
:
5693 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5696 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5697 return regulatory_hint_user(data
, user_reg_hint_type
);
5698 case NL80211_USER_REG_HINT_INDOOR
:
5699 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5700 owner_nlportid
= info
->snd_portid
;
5701 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5707 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5713 static int nl80211_reload_regdb(struct sk_buff
*skb
, struct genl_info
*info
)
5715 return reg_reload_regdb();
5718 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5719 struct genl_info
*info
)
5721 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5722 struct net_device
*dev
= info
->user_ptr
[1];
5723 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5724 struct mesh_config cur_params
;
5727 struct nlattr
*pinfoattr
;
5728 struct sk_buff
*msg
;
5730 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5733 if (!rdev
->ops
->get_mesh_config
)
5737 /* If not connected, get default parameters */
5738 if (!wdev
->mesh_id_len
)
5739 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5741 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5747 /* Draw up a netlink message to send back */
5748 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5751 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5752 NL80211_CMD_GET_MESH_CONFIG
);
5755 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5757 goto nla_put_failure
;
5758 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5759 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5760 cur_params
.dot11MeshRetryTimeout
) ||
5761 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5762 cur_params
.dot11MeshConfirmTimeout
) ||
5763 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5764 cur_params
.dot11MeshHoldingTimeout
) ||
5765 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5766 cur_params
.dot11MeshMaxPeerLinks
) ||
5767 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5768 cur_params
.dot11MeshMaxRetries
) ||
5769 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5770 cur_params
.dot11MeshTTL
) ||
5771 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5772 cur_params
.element_ttl
) ||
5773 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5774 cur_params
.auto_open_plinks
) ||
5775 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5776 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5777 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5778 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5779 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5780 cur_params
.path_refresh_time
) ||
5781 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5782 cur_params
.min_discovery_timeout
) ||
5783 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5784 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5785 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5786 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5787 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5788 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5789 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5790 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5791 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5792 cur_params
.dot11MeshHWMPRootMode
) ||
5793 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5794 cur_params
.dot11MeshHWMPRannInterval
) ||
5795 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5796 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5797 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5798 cur_params
.dot11MeshForwarding
) ||
5799 nla_put_s32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5800 cur_params
.rssi_threshold
) ||
5801 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5802 cur_params
.ht_opmode
) ||
5803 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5804 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5805 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5806 cur_params
.dot11MeshHWMProotInterval
) ||
5807 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5808 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5809 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5810 cur_params
.power_mode
) ||
5811 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5812 cur_params
.dot11MeshAwakeWindowDuration
) ||
5813 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5814 cur_params
.plink_timeout
))
5815 goto nla_put_failure
;
5816 nla_nest_end(msg
, pinfoattr
);
5817 genlmsg_end(msg
, hdr
);
5818 return genlmsg_reply(msg
, info
);
5821 genlmsg_cancel(msg
, hdr
);
5827 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5828 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5829 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5830 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5831 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5832 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5833 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5834 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5835 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5836 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5837 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5838 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5839 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5840 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5841 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5842 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5843 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5844 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5845 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5846 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5847 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5848 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5849 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5850 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5851 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5852 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5853 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5854 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5855 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5858 static const struct nla_policy
5859 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5860 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5861 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5862 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5863 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5864 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5865 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5866 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5867 .len
= IEEE80211_MAX_DATA_LEN
},
5868 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5871 static int nl80211_check_bool(const struct nlattr
*nla
, u8 min
, u8 max
, bool *out
)
5873 u8 val
= nla_get_u8(nla
);
5874 if (val
< min
|| val
> max
)
5880 static int nl80211_check_u8(const struct nlattr
*nla
, u8 min
, u8 max
, u8
*out
)
5882 u8 val
= nla_get_u8(nla
);
5883 if (val
< min
|| val
> max
)
5889 static int nl80211_check_u16(const struct nlattr
*nla
, u16 min
, u16 max
, u16
*out
)
5891 u16 val
= nla_get_u16(nla
);
5892 if (val
< min
|| val
> max
)
5898 static int nl80211_check_u32(const struct nlattr
*nla
, u32 min
, u32 max
, u32
*out
)
5900 u32 val
= nla_get_u32(nla
);
5901 if (val
< min
|| val
> max
)
5907 static int nl80211_check_s32(const struct nlattr
*nla
, s32 min
, s32 max
, s32
*out
)
5909 s32 val
= nla_get_s32(nla
);
5910 if (val
< min
|| val
> max
)
5916 static int nl80211_check_power_mode(const struct nlattr
*nla
,
5917 enum nl80211_mesh_power_mode min
,
5918 enum nl80211_mesh_power_mode max
,
5919 enum nl80211_mesh_power_mode
*out
)
5921 u32 val
= nla_get_u32(nla
);
5922 if (val
< min
|| val
> max
)
5928 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5929 struct mesh_config
*cfg
,
5932 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5936 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5939 if (fn(tb[attr], min, max, &cfg->param)) \
5941 mask |= (1 << (attr - 1)); \
5945 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5947 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5948 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5949 nl80211_meshconf_params_policy
, info
->extack
))
5952 /* This makes sure that there aren't more than 32 mesh config
5953 * parameters (otherwise our bitfield scheme would not work.) */
5954 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5956 /* Fill in the params struct */
5957 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5958 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5960 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5961 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5963 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5964 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5966 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5967 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5969 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5970 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5972 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5973 mask
, NL80211_MESHCONF_TTL
, nl80211_check_u8
);
5974 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5975 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5977 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5978 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5979 nl80211_check_bool
);
5980 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5982 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5984 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5985 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5987 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5988 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5990 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5991 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5993 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5995 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5997 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5999 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
6001 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
6003 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
6005 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6006 dot11MeshHWMPnetDiameterTraversalTime
,
6008 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
6010 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
6011 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
6013 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
6014 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
6016 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6017 dot11MeshGateAnnouncementProtocol
, 0, 1,
6018 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
6019 nl80211_check_bool
);
6020 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
6021 mask
, NL80211_MESHCONF_FORWARDING
,
6022 nl80211_check_bool
);
6023 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
6024 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
6027 * Check HT operation mode based on
6028 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
6030 if (tb
[NL80211_MESHCONF_HT_OPMODE
]) {
6031 ht_opmode
= nla_get_u16(tb
[NL80211_MESHCONF_HT_OPMODE
]);
6033 if (ht_opmode
& ~(IEEE80211_HT_OP_MODE_PROTECTION
|
6034 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
|
6035 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6038 if ((ht_opmode
& IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
) &&
6039 (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6042 switch (ht_opmode
& IEEE80211_HT_OP_MODE_PROTECTION
) {
6043 case IEEE80211_HT_OP_MODE_PROTECTION_NONE
:
6044 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
6045 if (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
)
6048 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER
:
6049 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
6050 if (!(ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6054 cfg
->ht_opmode
= ht_opmode
;
6055 mask
|= (1 << (NL80211_MESHCONF_HT_OPMODE
- 1));
6057 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
6059 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
6061 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
6062 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
6064 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6065 dot11MeshHWMPconfirmationInterval
,
6067 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
6069 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
6070 NL80211_MESH_POWER_ACTIVE
,
6071 NL80211_MESH_POWER_MAX
,
6072 mask
, NL80211_MESHCONF_POWER_MODE
,
6073 nl80211_check_power_mode
);
6074 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
6076 NL80211_MESHCONF_AWAKE_WINDOW
, nl80211_check_u16
);
6077 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
6078 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
6085 #undef FILL_IN_MESH_PARAM_IF_SET
6088 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
6089 struct mesh_setup
*setup
)
6091 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6092 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
6094 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
6096 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
6097 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
6098 nl80211_mesh_setup_params_policy
, info
->extack
))
6101 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
6102 setup
->sync_method
=
6103 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
6104 IEEE80211_SYNC_METHOD_VENDOR
:
6105 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
6107 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
6108 setup
->path_sel_proto
=
6109 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
6110 IEEE80211_PATH_PROTOCOL_VENDOR
:
6111 IEEE80211_PATH_PROTOCOL_HWMP
;
6113 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
6114 setup
->path_metric
=
6115 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
6116 IEEE80211_PATH_METRIC_VENDOR
:
6117 IEEE80211_PATH_METRIC_AIRTIME
;
6119 if (tb
[NL80211_MESH_SETUP_IE
]) {
6120 struct nlattr
*ieattr
=
6121 tb
[NL80211_MESH_SETUP_IE
];
6122 if (!is_valid_ie_attr(ieattr
))
6124 setup
->ie
= nla_data(ieattr
);
6125 setup
->ie_len
= nla_len(ieattr
);
6127 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
6128 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
6130 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
6131 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
6132 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
6133 if (setup
->is_secure
)
6134 setup
->user_mpm
= true;
6136 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
6137 if (!setup
->user_mpm
)
6140 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
6146 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
6147 struct genl_info
*info
)
6149 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6150 struct net_device
*dev
= info
->user_ptr
[1];
6151 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6152 struct mesh_config cfg
;
6156 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6159 if (!rdev
->ops
->update_mesh_config
)
6162 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
6167 if (!wdev
->mesh_id_len
)
6171 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
6178 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
6179 struct sk_buff
*msg
)
6181 struct nlattr
*nl_reg_rules
;
6184 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
6185 (regdom
->dfs_region
&&
6186 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
6187 goto nla_put_failure
;
6189 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
6191 goto nla_put_failure
;
6193 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
6194 struct nlattr
*nl_reg_rule
;
6195 const struct ieee80211_reg_rule
*reg_rule
;
6196 const struct ieee80211_freq_range
*freq_range
;
6197 const struct ieee80211_power_rule
*power_rule
;
6198 unsigned int max_bandwidth_khz
;
6200 reg_rule
= ®dom
->reg_rules
[i
];
6201 freq_range
= ®_rule
->freq_range
;
6202 power_rule
= ®_rule
->power_rule
;
6204 nl_reg_rule
= nla_nest_start(msg
, i
);
6206 goto nla_put_failure
;
6208 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
6209 if (!max_bandwidth_khz
)
6210 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
6213 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
6215 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
6216 freq_range
->start_freq_khz
) ||
6217 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
6218 freq_range
->end_freq_khz
) ||
6219 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
6220 max_bandwidth_khz
) ||
6221 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
6222 power_rule
->max_antenna_gain
) ||
6223 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
6224 power_rule
->max_eirp
) ||
6225 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
6226 reg_rule
->dfs_cac_ms
))
6227 goto nla_put_failure
;
6229 nla_nest_end(msg
, nl_reg_rule
);
6232 nla_nest_end(msg
, nl_reg_rules
);
6239 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
6241 const struct ieee80211_regdomain
*regdom
= NULL
;
6242 struct cfg80211_registered_device
*rdev
;
6243 struct wiphy
*wiphy
= NULL
;
6244 struct sk_buff
*msg
;
6247 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6251 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6252 NL80211_CMD_GET_REG
);
6256 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
6259 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6262 return PTR_ERR(rdev
);
6265 wiphy
= &rdev
->wiphy
;
6266 self_managed
= wiphy
->regulatory_flags
&
6267 REGULATORY_WIPHY_SELF_MANAGED
;
6268 regdom
= get_wiphy_regdom(wiphy
);
6270 /* a self-managed-reg device must have a private regdom */
6271 if (WARN_ON(!regdom
&& self_managed
)) {
6277 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6278 goto nla_put_failure
;
6281 if (!wiphy
&& reg_last_request_cell_base() &&
6282 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6283 NL80211_USER_REG_HINT_CELL_BASE
))
6284 goto nla_put_failure
;
6289 regdom
= rcu_dereference(cfg80211_regdomain
);
6291 if (nl80211_put_regdom(regdom
, msg
))
6292 goto nla_put_failure_rcu
;
6296 genlmsg_end(msg
, hdr
);
6297 return genlmsg_reply(msg
, info
);
6299 nla_put_failure_rcu
:
6302 genlmsg_cancel(msg
, hdr
);
6308 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6309 u32 seq
, int flags
, struct wiphy
*wiphy
,
6310 const struct ieee80211_regdomain
*regdom
)
6312 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6313 NL80211_CMD_GET_REG
);
6318 genl_dump_check_consistent(cb
, hdr
);
6320 if (nl80211_put_regdom(regdom
, msg
))
6321 goto nla_put_failure
;
6323 if (!wiphy
&& reg_last_request_cell_base() &&
6324 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6325 NL80211_USER_REG_HINT_CELL_BASE
))
6326 goto nla_put_failure
;
6329 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6330 goto nla_put_failure
;
6332 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
6333 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
6334 goto nla_put_failure
;
6336 genlmsg_end(msg
, hdr
);
6340 genlmsg_cancel(msg
, hdr
);
6344 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
6345 struct netlink_callback
*cb
)
6347 const struct ieee80211_regdomain
*regdom
= NULL
;
6348 struct cfg80211_registered_device
*rdev
;
6349 int err
, reg_idx
, start
= cb
->args
[2];
6353 if (cfg80211_regdomain
&& start
== 0) {
6354 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6356 rtnl_dereference(cfg80211_regdomain
));
6361 /* the global regdom is idx 0 */
6363 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
6364 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
6368 if (++reg_idx
<= start
)
6371 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6372 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
6379 cb
->args
[2] = reg_idx
;
6386 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6387 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
6388 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
6389 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
6390 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
6391 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
6392 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
6393 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
6394 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
6397 static int parse_reg_rule(struct nlattr
*tb
[],
6398 struct ieee80211_reg_rule
*reg_rule
)
6400 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
6401 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
6403 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
6405 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
6407 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
6409 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
6411 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
6414 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
6416 freq_range
->start_freq_khz
=
6417 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
6418 freq_range
->end_freq_khz
=
6419 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
6420 freq_range
->max_bandwidth_khz
=
6421 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
6423 power_rule
->max_eirp
=
6424 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
6426 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
6427 power_rule
->max_antenna_gain
=
6428 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
6430 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
6431 reg_rule
->dfs_cac_ms
=
6432 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
6437 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
6439 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
6440 struct nlattr
*nl_reg_rule
;
6442 int rem_reg_rules
, r
;
6443 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
6444 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
6445 struct ieee80211_regdomain
*rd
;
6447 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
6450 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
6453 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
6455 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
6456 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
6458 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6461 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
6465 if (!reg_is_valid_request(alpha2
))
6468 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
6469 num_rules
* sizeof(struct ieee80211_reg_rule
);
6471 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
6475 rd
->n_reg_rules
= num_rules
;
6476 rd
->alpha2
[0] = alpha2
[0];
6477 rd
->alpha2
[1] = alpha2
[1];
6480 * Disable DFS master mode if the DFS region was
6481 * not supported or known on this kernel.
6483 if (reg_supported_dfs_region(dfs_region
))
6484 rd
->dfs_region
= dfs_region
;
6486 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6488 r
= nla_parse_nested(tb
, NL80211_REG_RULE_ATTR_MAX
,
6489 nl_reg_rule
, reg_rule_policy
,
6493 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
6499 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
6505 /* set_regdom takes ownership of rd */
6506 return set_regdom(rd
, REGD_SOURCE_CRDA
);
6511 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6513 static int validate_scan_freqs(struct nlattr
*freqs
)
6515 struct nlattr
*attr1
, *attr2
;
6516 int n_channels
= 0, tmp1
, tmp2
;
6518 nla_for_each_nested(attr1
, freqs
, tmp1
)
6519 if (nla_len(attr1
) != sizeof(u32
))
6522 nla_for_each_nested(attr1
, freqs
, tmp1
) {
6525 * Some hardware has a limited channel list for
6526 * scanning, and it is pretty much nonsensical
6527 * to scan for a channel twice, so disallow that
6528 * and don't require drivers to check that the
6529 * channel list they get isn't longer than what
6530 * they can scan, as long as they can scan all
6531 * the channels they registered at once.
6533 nla_for_each_nested(attr2
, freqs
, tmp2
)
6534 if (attr1
!= attr2
&&
6535 nla_get_u32(attr1
) == nla_get_u32(attr2
))
6542 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
6544 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
6547 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
6548 struct cfg80211_bss_selection
*bss_select
)
6550 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
6551 struct nlattr
*nest
;
6556 /* only process one nested attribute */
6557 nest
= nla_data(nla
);
6558 if (!nla_ok(nest
, nla_len(nest
)))
6561 err
= nla_parse_nested(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nest
,
6562 nl80211_bss_select_policy
, NULL
);
6566 /* only one attribute may be given */
6567 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
6575 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
6577 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
6578 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
6580 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
6581 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
6582 bss_select
->param
.band_pref
=
6583 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
6584 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
6588 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
6589 struct nl80211_bss_select_rssi_adjust
*adj_param
;
6591 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
6592 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
6593 bss_select
->param
.adjust
.band
= adj_param
->band
;
6594 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
6595 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
6599 /* user-space did not provide behaviour attribute */
6600 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
6603 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
6609 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
6610 u8
*mac_addr
, u8
*mac_addr_mask
)
6614 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
6615 eth_zero_addr(mac_addr
);
6616 eth_zero_addr(mac_addr_mask
);
6618 mac_addr_mask
[0] = 0x3;
6623 /* need both or none */
6624 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
6627 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
6628 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
6630 /* don't allow or configure an mcast address */
6631 if (!is_multicast_ether_addr(mac_addr_mask
) ||
6632 is_multicast_ether_addr(mac_addr
))
6636 * allow users to pass a MAC address that has bits set outside
6637 * of the mask, but don't bother drivers with having to deal
6640 for (i
= 0; i
< ETH_ALEN
; i
++)
6641 mac_addr
[i
] &= mac_addr_mask
[i
];
6646 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev
*wdev
)
6648 ASSERT_WDEV_LOCK(wdev
);
6650 if (!cfg80211_beaconing_iface_active(wdev
))
6653 if (!(wdev
->chandef
.chan
->flags
& IEEE80211_CHAN_RADAR
))
6656 return regulatory_pre_cac_allowed(wdev
->wiphy
);
6660 nl80211_check_scan_flags(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6661 void *request
, struct nlattr
**attrs
,
6664 u8
*mac_addr
, *mac_addr_mask
;
6666 enum nl80211_feature_flags randomness_flag
;
6668 if (!attrs
[NL80211_ATTR_SCAN_FLAGS
])
6671 if (is_sched_scan
) {
6672 struct cfg80211_sched_scan_request
*req
= request
;
6674 randomness_flag
= wdev
?
6675 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
:
6676 NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6677 flags
= &req
->flags
;
6678 mac_addr
= req
->mac_addr
;
6679 mac_addr_mask
= req
->mac_addr_mask
;
6681 struct cfg80211_scan_request
*req
= request
;
6683 randomness_flag
= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
;
6684 flags
= &req
->flags
;
6685 mac_addr
= req
->mac_addr
;
6686 mac_addr_mask
= req
->mac_addr_mask
;
6689 *flags
= nla_get_u32(attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6691 if ((*flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6692 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
))
6695 if (*flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6698 if (!(wiphy
->features
& randomness_flag
) ||
6699 (wdev
&& wdev
->current_bss
))
6702 err
= nl80211_parse_random_mac(attrs
, mac_addr
, mac_addr_mask
);
6707 if ((*flags
& NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME
) &&
6708 !wiphy_ext_feature_isset(wiphy
,
6709 NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME
))
6712 if ((*flags
& NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP
) &&
6713 !wiphy_ext_feature_isset(wiphy
,
6714 NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP
))
6717 if ((*flags
& NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
) &&
6718 !wiphy_ext_feature_isset(wiphy
,
6719 NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION
))
6722 if ((*flags
& NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE
) &&
6723 !wiphy_ext_feature_isset(wiphy
,
6724 NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE
))
6730 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6732 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6733 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6734 struct cfg80211_scan_request
*request
;
6735 struct nlattr
*attr
;
6736 struct wiphy
*wiphy
;
6737 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
6740 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6743 wiphy
= &rdev
->wiphy
;
6745 if (wdev
->iftype
== NL80211_IFTYPE_NAN
)
6748 if (!rdev
->ops
->scan
)
6751 if (rdev
->scan_req
|| rdev
->scan_msg
) {
6756 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6757 n_channels
= validate_scan_freqs(
6758 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6764 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6767 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
6768 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
6771 if (n_ssids
> wiphy
->max_scan_ssids
) {
6776 if (info
->attrs
[NL80211_ATTR_IE
])
6777 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6781 if (ie_len
> wiphy
->max_scan_ie_len
) {
6786 request
= kzalloc(sizeof(*request
)
6787 + sizeof(*request
->ssids
) * n_ssids
6788 + sizeof(*request
->channels
) * n_channels
6789 + ie_len
, GFP_KERNEL
);
6796 request
->ssids
= (void *)&request
->channels
[n_channels
];
6797 request
->n_ssids
= n_ssids
;
6800 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6802 request
->ie
= (void *)(request
->channels
+ n_channels
);
6806 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6807 /* user specified, bail out if channel not found */
6808 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6809 struct ieee80211_channel
*chan
;
6811 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6818 /* ignore disabled channels */
6819 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6822 request
->channels
[i
] = chan
;
6826 enum nl80211_band band
;
6829 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6832 if (!wiphy
->bands
[band
])
6834 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6835 struct ieee80211_channel
*chan
;
6837 chan
= &wiphy
->bands
[band
]->channels
[j
];
6839 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6842 request
->channels
[i
] = chan
;
6853 request
->n_channels
= i
;
6856 if (!cfg80211_off_channel_oper_allowed(wdev
)) {
6857 struct ieee80211_channel
*chan
;
6859 if (request
->n_channels
!= 1) {
6865 chan
= request
->channels
[0];
6866 if (chan
->center_freq
!= wdev
->chandef
.chan
->center_freq
) {
6876 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6877 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6881 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6882 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6887 if (info
->attrs
[NL80211_ATTR_IE
]) {
6888 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6889 memcpy((void *)request
->ie
,
6890 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6894 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6895 if (wiphy
->bands
[i
])
6897 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6899 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6900 nla_for_each_nested(attr
,
6901 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6903 enum nl80211_band band
= nla_type(attr
);
6905 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6910 if (!wiphy
->bands
[band
])
6913 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6916 &request
->rates
[band
]);
6922 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
6923 if (!wiphy_ext_feature_isset(wiphy
,
6924 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
6930 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
6931 request
->duration_mandatory
=
6932 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
6935 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, info
->attrs
,
6941 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6943 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6944 * BSSID to scan for. This was problematic because that same attribute
6945 * was already used for another purpose (local random MAC address). The
6946 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6947 * compatibility with older userspace components, also use the
6948 * NL80211_ATTR_MAC value here if it can be determined to be used for
6949 * the specific BSSID use case instead of the random MAC address
6950 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6952 if (info
->attrs
[NL80211_ATTR_BSSID
])
6953 memcpy(request
->bssid
,
6954 nla_data(info
->attrs
[NL80211_ATTR_BSSID
]), ETH_ALEN
);
6955 else if (!(request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) &&
6956 info
->attrs
[NL80211_ATTR_MAC
])
6957 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6960 eth_broadcast_addr(request
->bssid
);
6962 request
->wdev
= wdev
;
6963 request
->wiphy
= &rdev
->wiphy
;
6964 request
->scan_start
= jiffies
;
6966 rdev
->scan_req
= request
;
6967 err
= rdev_scan(rdev
, request
);
6970 nl80211_send_scan_start(rdev
, wdev
);
6972 dev_hold(wdev
->netdev
);
6975 rdev
->scan_req
= NULL
;
6983 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6985 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6986 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6988 if (!rdev
->ops
->abort_scan
)
6994 if (!rdev
->scan_req
)
6997 rdev_abort_scan(rdev
, wdev
);
7002 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
7003 struct cfg80211_sched_scan_request
*request
,
7004 struct nlattr
**attrs
)
7006 int tmp
, err
, i
= 0;
7007 struct nlattr
*attr
;
7009 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7013 * If scan plans are not specified,
7014 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
7015 * case one scan plan will be set with the specified scan
7016 * interval and infinite number of iterations.
7018 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
7022 request
->scan_plans
[0].interval
=
7023 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
7024 if (!request
->scan_plans
[0].interval
)
7027 if (request
->scan_plans
[0].interval
>
7028 wiphy
->max_sched_scan_plan_interval
)
7029 request
->scan_plans
[0].interval
=
7030 wiphy
->max_sched_scan_plan_interval
;
7035 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
7036 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
7038 if (WARN_ON(i
>= n_plans
))
7041 err
= nla_parse_nested(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
7042 attr
, nl80211_plan_policy
, NULL
);
7046 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
7049 request
->scan_plans
[i
].interval
=
7050 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
7051 if (!request
->scan_plans
[i
].interval
||
7052 request
->scan_plans
[i
].interval
>
7053 wiphy
->max_sched_scan_plan_interval
)
7056 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
7057 request
->scan_plans
[i
].iterations
=
7058 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
7059 if (!request
->scan_plans
[i
].iterations
||
7060 (request
->scan_plans
[i
].iterations
>
7061 wiphy
->max_sched_scan_plan_iterations
))
7063 } else if (i
< n_plans
- 1) {
7065 * All scan plans but the last one must specify
7066 * a finite number of iterations
7075 * The last scan plan must not specify the number of
7076 * iterations, it is supposed to run infinitely
7078 if (request
->scan_plans
[n_plans
- 1].iterations
)
7084 static struct cfg80211_sched_scan_request
*
7085 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
7086 struct nlattr
**attrs
, int max_match_sets
)
7088 struct cfg80211_sched_scan_request
*request
;
7089 struct nlattr
*attr
;
7090 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
7091 enum nl80211_band band
;
7093 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
7094 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
7096 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
7097 return ERR_PTR(-EINVAL
);
7099 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7100 n_channels
= validate_scan_freqs(
7101 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
7103 return ERR_PTR(-EINVAL
);
7105 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
7108 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
7109 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7113 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
7114 return ERR_PTR(-EINVAL
);
7117 * First, count the number of 'real' matchsets. Due to an issue with
7118 * the old implementation, matchsets containing only the RSSI attribute
7119 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7120 * RSSI for all matchsets, rather than their own matchset for reporting
7121 * all APs with a strong RSSI. This is needed to be compatible with
7122 * older userspace that treated a matchset with only the RSSI as the
7123 * global RSSI for all other matchsets - if there are other matchsets.
7125 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7126 nla_for_each_nested(attr
,
7127 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7129 struct nlattr
*rssi
;
7131 err
= nla_parse_nested(tb
,
7132 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7133 attr
, nl80211_match_policy
,
7136 return ERR_PTR(err
);
7138 /* SSID and BSSID are mutually exclusive */
7139 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] &&
7140 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
])
7141 return ERR_PTR(-EINVAL
);
7143 /* add other standalone attributes here */
7144 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] ||
7145 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
]) {
7149 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7151 default_match_rssi
= nla_get_s32(rssi
);
7155 /* However, if there's no other matchset, add the RSSI one */
7156 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
7159 if (n_match_sets
> max_match_sets
)
7160 return ERR_PTR(-EINVAL
);
7162 if (attrs
[NL80211_ATTR_IE
])
7163 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
7167 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
7168 return ERR_PTR(-EINVAL
);
7170 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7172 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7173 * each scan plan already specifies its own interval
7175 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7176 return ERR_PTR(-EINVAL
);
7178 nla_for_each_nested(attr
,
7179 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
7183 * The scan interval attribute is kept for backward
7184 * compatibility. If no scan plans are specified and sched scan
7185 * interval is specified, one scan plan will be set with this
7186 * scan interval and infinite number of iterations.
7188 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7189 return ERR_PTR(-EINVAL
);
7194 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
7195 return ERR_PTR(-EINVAL
);
7197 if (!wiphy_ext_feature_isset(
7198 wiphy
, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI
) &&
7199 (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] ||
7200 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]))
7201 return ERR_PTR(-EINVAL
);
7203 request
= kzalloc(sizeof(*request
)
7204 + sizeof(*request
->ssids
) * n_ssids
7205 + sizeof(*request
->match_sets
) * n_match_sets
7206 + sizeof(*request
->scan_plans
) * n_plans
7207 + sizeof(*request
->channels
) * n_channels
7208 + ie_len
, GFP_KERNEL
);
7210 return ERR_PTR(-ENOMEM
);
7213 request
->ssids
= (void *)&request
->channels
[n_channels
];
7214 request
->n_ssids
= n_ssids
;
7217 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
7219 request
->ie
= (void *)(request
->channels
+ n_channels
);
7224 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
7226 request
->match_sets
=
7227 (void *)(request
->ssids
+ n_ssids
);
7229 request
->match_sets
=
7230 (void *)(request
->channels
+ n_channels
);
7232 request
->n_match_sets
= n_match_sets
;
7235 request
->scan_plans
= (void *)(request
->match_sets
+
7237 else if (request
->ie
)
7238 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
7240 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
7242 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
7244 request
->n_scan_plans
= n_plans
;
7247 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7248 /* user specified, bail out if channel not found */
7249 nla_for_each_nested(attr
,
7250 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
7252 struct ieee80211_channel
*chan
;
7254 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
7261 /* ignore disabled channels */
7262 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7265 request
->channels
[i
] = chan
;
7270 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7273 if (!wiphy
->bands
[band
])
7275 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
7276 struct ieee80211_channel
*chan
;
7278 chan
= &wiphy
->bands
[band
]->channels
[j
];
7280 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7283 request
->channels
[i
] = chan
;
7294 request
->n_channels
= i
;
7298 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7300 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
7304 request
->ssids
[i
].ssid_len
= nla_len(attr
);
7305 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
7312 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7313 nla_for_each_nested(attr
,
7314 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7316 struct nlattr
*ssid
, *bssid
, *rssi
;
7318 err
= nla_parse_nested(tb
,
7319 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7320 attr
, nl80211_match_policy
,
7324 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
7325 bssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
];
7326 if (ssid
|| bssid
) {
7327 if (WARN_ON(i
>= n_match_sets
)) {
7328 /* this indicates a programming error,
7329 * the loop above should have verified
7337 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
7341 memcpy(request
->match_sets
[i
].ssid
.ssid
,
7342 nla_data(ssid
), nla_len(ssid
));
7343 request
->match_sets
[i
].ssid
.ssid_len
=
7347 if (nla_len(bssid
) != ETH_ALEN
) {
7351 memcpy(request
->match_sets
[i
].bssid
,
7352 nla_data(bssid
), ETH_ALEN
);
7355 /* special attribute - old implementation w/a */
7356 request
->match_sets
[i
].rssi_thold
=
7358 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7360 request
->match_sets
[i
].rssi_thold
=
7366 /* there was no other matchset, so the RSSI one is alone */
7367 if (i
== 0 && n_match_sets
)
7368 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
7370 request
->min_rssi_thold
= INT_MAX
;
7371 for (i
= 0; i
< n_match_sets
; i
++)
7372 request
->min_rssi_thold
=
7373 min(request
->match_sets
[i
].rssi_thold
,
7374 request
->min_rssi_thold
);
7376 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
7380 request
->ie_len
= ie_len
;
7381 memcpy((void *)request
->ie
,
7382 nla_data(attrs
[NL80211_ATTR_IE
]),
7386 err
= nl80211_check_scan_flags(wiphy
, wdev
, request
, attrs
, true);
7390 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
7392 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
7394 if (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]) {
7395 request
->relative_rssi
= nla_get_s8(
7396 attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]);
7397 request
->relative_rssi_set
= true;
7400 if (request
->relative_rssi_set
&&
7401 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]) {
7402 struct nl80211_bss_select_rssi_adjust
*rssi_adjust
;
7404 rssi_adjust
= nla_data(
7405 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]);
7406 request
->rssi_adjust
.band
= rssi_adjust
->band
;
7407 request
->rssi_adjust
.delta
= rssi_adjust
->delta
;
7408 if (!is_band_valid(wiphy
, request
->rssi_adjust
.band
)) {
7414 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
7418 request
->scan_start
= jiffies
;
7424 return ERR_PTR(err
);
7427 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
7428 struct genl_info
*info
)
7430 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7431 struct net_device
*dev
= info
->user_ptr
[1];
7432 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7433 struct cfg80211_sched_scan_request
*sched_scan_req
;
7437 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_start
)
7440 want_multi
= info
->attrs
[NL80211_ATTR_SCHED_SCAN_MULTI
];
7441 err
= cfg80211_sched_scan_req_possible(rdev
, want_multi
);
7445 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
7447 rdev
->wiphy
.max_match_sets
);
7449 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
7453 /* leave request id zero for legacy request
7454 * or if driver does not support multi-scheduled scan
7456 if (want_multi
&& rdev
->wiphy
.max_sched_scan_reqs
> 1) {
7457 while (!sched_scan_req
->reqid
)
7458 sched_scan_req
->reqid
= rdev
->wiphy
.cookie_counter
++;
7461 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
7465 sched_scan_req
->dev
= dev
;
7466 sched_scan_req
->wiphy
= &rdev
->wiphy
;
7468 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
7469 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
7471 cfg80211_add_sched_scan_req(rdev
, sched_scan_req
);
7473 nl80211_send_sched_scan(sched_scan_req
, NL80211_CMD_START_SCHED_SCAN
);
7477 kfree(sched_scan_req
);
7482 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
7483 struct genl_info
*info
)
7485 struct cfg80211_sched_scan_request
*req
;
7486 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7489 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_stop
)
7492 if (info
->attrs
[NL80211_ATTR_COOKIE
]) {
7493 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7494 return __cfg80211_stop_sched_scan(rdev
, cookie
, false);
7497 req
= list_first_or_null_rcu(&rdev
->sched_scan_req_list
,
7498 struct cfg80211_sched_scan_request
,
7500 if (!req
|| req
->reqid
||
7501 (req
->owner_nlportid
&&
7502 req
->owner_nlportid
!= info
->snd_portid
))
7505 return cfg80211_stop_sched_scan_req(rdev
, req
, false);
7508 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
7509 struct genl_info
*info
)
7511 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7512 struct net_device
*dev
= info
->user_ptr
[1];
7513 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7514 struct cfg80211_chan_def chandef
;
7515 enum nl80211_dfs_regions dfs_region
;
7516 unsigned int cac_time_ms
;
7519 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
7520 if (dfs_region
== NL80211_DFS_UNSET
)
7523 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7527 if (netif_carrier_ok(dev
))
7530 if (wdev
->cac_started
)
7533 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
7541 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
7544 if (!rdev
->ops
->start_radar_detection
)
7547 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
7548 if (WARN_ON(!cac_time_ms
))
7549 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
7551 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
7553 wdev
->chandef
= chandef
;
7554 wdev
->cac_started
= true;
7555 wdev
->cac_start_time
= jiffies
;
7556 wdev
->cac_time_ms
= cac_time_ms
;
7561 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
7563 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7564 struct net_device
*dev
= info
->user_ptr
[1];
7565 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7566 struct cfg80211_csa_settings params
;
7567 /* csa_attrs is defined static to avoid waste of stack size - this
7568 * function is called under RTNL lock, so this should not be a problem.
7570 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
7572 bool need_new_beacon
= false;
7573 bool need_handle_dfs_flag
= true;
7577 if (!rdev
->ops
->channel_switch
||
7578 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
7581 switch (dev
->ieee80211_ptr
->iftype
) {
7582 case NL80211_IFTYPE_AP
:
7583 case NL80211_IFTYPE_P2P_GO
:
7584 need_new_beacon
= true;
7585 /* For all modes except AP the handle_dfs flag needs to be
7586 * supplied to tell the kernel that userspace will handle radar
7587 * events when they happen. Otherwise a switch to a channel
7588 * requiring DFS will be rejected.
7590 need_handle_dfs_flag
= false;
7592 /* useless if AP is not running */
7593 if (!wdev
->beacon_interval
)
7596 case NL80211_IFTYPE_ADHOC
:
7597 if (!wdev
->ssid_len
)
7600 case NL80211_IFTYPE_MESH_POINT
:
7601 if (!wdev
->mesh_id_len
)
7608 memset(¶ms
, 0, sizeof(params
));
7610 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7611 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
7614 /* only important for AP, IBSS and mesh create IEs internally */
7615 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
7618 /* Even though the attribute is u32, the specification says
7619 * u8, so let's make sure we don't overflow.
7621 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
7625 params
.count
= cs_count
;
7627 if (!need_new_beacon
)
7630 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
7634 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
7635 info
->attrs
[NL80211_ATTR_CSA_IES
],
7636 nl80211_policy
, info
->extack
);
7640 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
7644 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
7647 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7648 if (!len
|| (len
% sizeof(u16
)))
7651 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
7652 if (rdev
->wiphy
.max_num_csa_counters
&&
7653 (params
.n_counter_offsets_beacon
>
7654 rdev
->wiphy
.max_num_csa_counters
))
7657 params
.counter_offsets_beacon
=
7658 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7660 /* sanity checks - counters should fit and be the same */
7661 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
7662 u16 offset
= params
.counter_offsets_beacon
[i
];
7664 if (offset
>= params
.beacon_csa
.tail_len
)
7667 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
7671 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
7672 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7673 if (!len
|| (len
% sizeof(u16
)))
7676 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
7677 if (rdev
->wiphy
.max_num_csa_counters
&&
7678 (params
.n_counter_offsets_presp
>
7679 rdev
->wiphy
.max_num_csa_counters
))
7682 params
.counter_offsets_presp
=
7683 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7685 /* sanity checks - counters should fit and be the same */
7686 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
7687 u16 offset
= params
.counter_offsets_presp
[i
];
7689 if (offset
>= params
.beacon_csa
.probe_resp_len
)
7692 if (params
.beacon_csa
.probe_resp
[offset
] !=
7699 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
7703 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
7707 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
7714 params
.radar_required
= true;
7715 if (need_handle_dfs_flag
&&
7716 !nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
])) {
7721 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
7722 params
.block_tx
= true;
7725 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
7731 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
7733 struct cfg80211_registered_device
*rdev
,
7734 struct wireless_dev
*wdev
,
7735 struct cfg80211_internal_bss
*intbss
)
7737 struct cfg80211_bss
*res
= &intbss
->pub
;
7738 const struct cfg80211_bss_ies
*ies
;
7742 ASSERT_WDEV_LOCK(wdev
);
7744 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
7745 NL80211_CMD_NEW_SCAN_RESULTS
);
7749 genl_dump_check_consistent(cb
, hdr
);
7751 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
7752 goto nla_put_failure
;
7754 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
7755 goto nla_put_failure
;
7756 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
7758 goto nla_put_failure
;
7760 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
7762 goto nla_put_failure
;
7763 if ((!is_zero_ether_addr(res
->bssid
) &&
7764 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
7765 goto nla_put_failure
;
7768 /* indicate whether we have probe response data or not */
7769 if (rcu_access_pointer(res
->proberesp_ies
) &&
7770 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
7771 goto fail_unlock_rcu
;
7773 /* this pointer prefers to be pointed to probe response data
7774 * but is always valid
7776 ies
= rcu_dereference(res
->ies
);
7778 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
7780 goto fail_unlock_rcu
;
7781 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
7782 ies
->len
, ies
->data
))
7783 goto fail_unlock_rcu
;
7786 /* and this pointer is always (unless driver didn't know) beacon data */
7787 ies
= rcu_dereference(res
->beacon_ies
);
7788 if (ies
&& ies
->from_beacon
) {
7789 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
7791 goto fail_unlock_rcu
;
7792 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
7793 ies
->len
, ies
->data
))
7794 goto fail_unlock_rcu
;
7798 if (res
->beacon_interval
&&
7799 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
7800 goto nla_put_failure
;
7801 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
7802 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
7803 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
7804 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
7805 jiffies_to_msecs(jiffies
- intbss
->ts
)))
7806 goto nla_put_failure
;
7808 if (intbss
->parent_tsf
&&
7809 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
7810 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
7811 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
7812 intbss
->parent_bssid
)))
7813 goto nla_put_failure
;
7815 if (intbss
->ts_boottime
&&
7816 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
7817 intbss
->ts_boottime
, NL80211_BSS_PAD
))
7818 goto nla_put_failure
;
7820 switch (rdev
->wiphy
.signal_type
) {
7821 case CFG80211_SIGNAL_TYPE_MBM
:
7822 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
7823 goto nla_put_failure
;
7825 case CFG80211_SIGNAL_TYPE_UNSPEC
:
7826 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
7827 goto nla_put_failure
;
7833 switch (wdev
->iftype
) {
7834 case NL80211_IFTYPE_P2P_CLIENT
:
7835 case NL80211_IFTYPE_STATION
:
7836 if (intbss
== wdev
->current_bss
&&
7837 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7838 NL80211_BSS_STATUS_ASSOCIATED
))
7839 goto nla_put_failure
;
7841 case NL80211_IFTYPE_ADHOC
:
7842 if (intbss
== wdev
->current_bss
&&
7843 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7844 NL80211_BSS_STATUS_IBSS_JOINED
))
7845 goto nla_put_failure
;
7851 nla_nest_end(msg
, bss
);
7853 genlmsg_end(msg
, hdr
);
7859 genlmsg_cancel(msg
, hdr
);
7863 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7865 struct cfg80211_registered_device
*rdev
;
7866 struct cfg80211_internal_bss
*scan
;
7867 struct wireless_dev
*wdev
;
7868 int start
= cb
->args
[2], idx
= 0;
7872 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7879 spin_lock_bh(&rdev
->bss_lock
);
7880 cfg80211_bss_expire(rdev
);
7882 cb
->seq
= rdev
->bss_generation
;
7884 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7887 if (nl80211_send_bss(skb
, cb
,
7888 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7889 rdev
, wdev
, scan
) < 0) {
7895 spin_unlock_bh(&rdev
->bss_lock
);
7904 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7905 int flags
, struct net_device
*dev
,
7906 bool allow_radio_stats
,
7907 struct survey_info
*survey
)
7910 struct nlattr
*infoattr
;
7912 /* skip radio stats if userspace didn't request them */
7913 if (!survey
->channel
&& !allow_radio_stats
)
7916 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7917 NL80211_CMD_NEW_SURVEY_RESULTS
);
7921 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7922 goto nla_put_failure
;
7924 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7926 goto nla_put_failure
;
7928 if (survey
->channel
&&
7929 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7930 survey
->channel
->center_freq
))
7931 goto nla_put_failure
;
7933 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7934 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7935 goto nla_put_failure
;
7936 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7937 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7938 goto nla_put_failure
;
7939 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7940 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7941 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7942 goto nla_put_failure
;
7943 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7944 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7945 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7946 goto nla_put_failure
;
7947 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7948 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7949 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7950 goto nla_put_failure
;
7951 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7952 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7953 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7954 goto nla_put_failure
;
7955 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7956 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7957 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7958 goto nla_put_failure
;
7959 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7960 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7961 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7962 goto nla_put_failure
;
7964 nla_nest_end(msg
, infoattr
);
7966 genlmsg_end(msg
, hdr
);
7970 genlmsg_cancel(msg
, hdr
);
7974 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7976 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
7977 struct survey_info survey
;
7978 struct cfg80211_registered_device
*rdev
;
7979 struct wireless_dev
*wdev
;
7980 int survey_idx
= cb
->args
[2];
7985 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7989 /* prepare_wdev_dump parsed the attributes */
7990 radio_stats
= attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7992 if (!wdev
->netdev
) {
7997 if (!rdev
->ops
->dump_survey
) {
8003 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
8009 /* don't send disabled channels, but do send non-channel data */
8010 if (survey
.channel
&&
8011 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
8016 if (nl80211_send_survey(skb
,
8017 NETLINK_CB(cb
->skb
).portid
,
8018 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8019 wdev
->netdev
, radio_stats
, &survey
) < 0)
8025 cb
->args
[2] = survey_idx
;
8032 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
8034 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
8035 NL80211_WPA_VERSION_2
));
8038 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8040 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8041 struct net_device
*dev
= info
->user_ptr
[1];
8042 struct ieee80211_channel
*chan
;
8043 const u8
*bssid
, *ssid
, *ie
= NULL
, *auth_data
= NULL
;
8044 int err
, ssid_len
, ie_len
= 0, auth_data_len
= 0;
8045 enum nl80211_auth_type auth_type
;
8046 struct key_parse key
;
8047 bool local_state_change
;
8049 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8052 if (!info
->attrs
[NL80211_ATTR_MAC
])
8055 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
8058 if (!info
->attrs
[NL80211_ATTR_SSID
])
8061 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8064 err
= nl80211_parse_key(info
, &key
);
8069 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
8071 if (!key
.p
.key
|| !key
.p
.key_len
)
8073 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
8074 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
8075 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
8076 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
8089 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
8090 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
8099 if (!rdev
->ops
->auth
)
8102 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8103 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8106 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8107 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8108 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8112 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8113 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8115 if (info
->attrs
[NL80211_ATTR_IE
]) {
8116 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8117 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8120 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8121 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
8124 if ((auth_type
== NL80211_AUTHTYPE_SAE
||
8125 auth_type
== NL80211_AUTHTYPE_FILS_SK
||
8126 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
8127 auth_type
== NL80211_AUTHTYPE_FILS_PK
) &&
8128 !info
->attrs
[NL80211_ATTR_AUTH_DATA
])
8131 if (info
->attrs
[NL80211_ATTR_AUTH_DATA
]) {
8132 if (auth_type
!= NL80211_AUTHTYPE_SAE
&&
8133 auth_type
!= NL80211_AUTHTYPE_FILS_SK
&&
8134 auth_type
!= NL80211_AUTHTYPE_FILS_SK_PFS
&&
8135 auth_type
!= NL80211_AUTHTYPE_FILS_PK
)
8137 auth_data
= nla_data(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8138 auth_data_len
= nla_len(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8139 /* need to include at least Auth Transaction and Status Code */
8140 if (auth_data_len
< 4)
8144 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8147 * Since we no longer track auth state, ignore
8148 * requests to only change local state.
8150 if (local_state_change
)
8153 wdev_lock(dev
->ieee80211_ptr
);
8154 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
8155 ssid
, ssid_len
, ie
, ie_len
,
8156 key
.p
.key
, key
.p
.key_len
, key
.idx
,
8157 auth_data
, auth_data_len
);
8158 wdev_unlock(dev
->ieee80211_ptr
);
8162 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
8163 struct genl_info
*info
,
8164 struct cfg80211_crypto_settings
*settings
,
8167 memset(settings
, 0, sizeof(*settings
));
8169 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
8171 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
8174 proto
= nla_get_u16(
8175 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
8176 settings
->control_port_ethertype
= cpu_to_be16(proto
);
8177 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
8180 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
8181 settings
->control_port_no_encrypt
= true;
8183 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
8185 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
8189 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8190 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8191 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
8193 if (len
% sizeof(u32
))
8196 if (settings
->n_ciphers_pairwise
> cipher_limit
)
8199 memcpy(settings
->ciphers_pairwise
, data
, len
);
8201 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
8202 if (!cfg80211_supported_cipher_suite(
8204 settings
->ciphers_pairwise
[i
]))
8208 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
8209 settings
->cipher_group
=
8210 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
8211 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
8212 settings
->cipher_group
))
8216 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
8217 settings
->wpa_versions
=
8218 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
8219 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
8223 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
8227 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8228 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8229 settings
->n_akm_suites
= len
/ sizeof(u32
);
8231 if (len
% sizeof(u32
))
8234 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
8237 memcpy(settings
->akm_suites
, data
, len
);
8240 if (info
->attrs
[NL80211_ATTR_PMK
]) {
8241 if (nla_len(info
->attrs
[NL80211_ATTR_PMK
]) != WLAN_PMK_LEN
)
8243 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8244 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK
))
8246 settings
->psk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
8252 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
8254 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8255 struct net_device
*dev
= info
->user_ptr
[1];
8256 struct ieee80211_channel
*chan
;
8257 struct cfg80211_assoc_request req
= {};
8258 const u8
*bssid
, *ssid
;
8259 int err
, ssid_len
= 0;
8261 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8264 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
8265 !info
->attrs
[NL80211_ATTR_SSID
] ||
8266 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8269 if (!rdev
->ops
->assoc
)
8272 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8273 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8276 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8278 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8279 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8283 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8284 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8286 if (info
->attrs
[NL80211_ATTR_IE
]) {
8287 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8288 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8291 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8292 enum nl80211_mfp mfp
=
8293 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8294 if (mfp
== NL80211_MFP_REQUIRED
)
8296 else if (mfp
!= NL80211_MFP_NO
)
8300 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8301 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8303 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8304 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
8306 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8307 memcpy(&req
.ht_capa_mask
,
8308 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8309 sizeof(req
.ht_capa_mask
));
8311 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8312 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8314 memcpy(&req
.ht_capa
,
8315 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8316 sizeof(req
.ht_capa
));
8319 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8320 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8322 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8323 memcpy(&req
.vht_capa_mask
,
8324 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8325 sizeof(req
.vht_capa_mask
));
8327 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8328 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8330 memcpy(&req
.vht_capa
,
8331 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8332 sizeof(req
.vht_capa
));
8335 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8336 if (!((rdev
->wiphy
.features
&
8337 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8338 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8339 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8340 NL80211_EXT_FEATURE_RRM
))
8342 req
.flags
|= ASSOC_REQ_USE_RRM
;
8345 if (info
->attrs
[NL80211_ATTR_FILS_KEK
]) {
8346 req
.fils_kek
= nla_data(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8347 req
.fils_kek_len
= nla_len(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8348 if (!info
->attrs
[NL80211_ATTR_FILS_NONCES
])
8351 nla_data(info
->attrs
[NL80211_ATTR_FILS_NONCES
]);
8354 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
8356 wdev_lock(dev
->ieee80211_ptr
);
8358 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
8359 ssid
, ssid_len
, &req
);
8361 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
8362 dev
->ieee80211_ptr
->conn_owner_nlportid
=
8364 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
8368 wdev_unlock(dev
->ieee80211_ptr
);
8374 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8376 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8377 struct net_device
*dev
= info
->user_ptr
[1];
8378 const u8
*ie
= NULL
, *bssid
;
8379 int ie_len
= 0, err
;
8381 bool local_state_change
;
8383 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8386 if (!info
->attrs
[NL80211_ATTR_MAC
])
8389 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8392 if (!rdev
->ops
->deauth
)
8395 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8396 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8399 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8401 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8402 if (reason_code
== 0) {
8403 /* Reason Code 0 is reserved */
8407 if (info
->attrs
[NL80211_ATTR_IE
]) {
8408 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8409 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8412 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8414 wdev_lock(dev
->ieee80211_ptr
);
8415 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8416 local_state_change
);
8417 wdev_unlock(dev
->ieee80211_ptr
);
8421 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
8423 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8424 struct net_device
*dev
= info
->user_ptr
[1];
8425 const u8
*ie
= NULL
, *bssid
;
8426 int ie_len
= 0, err
;
8428 bool local_state_change
;
8430 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8433 if (!info
->attrs
[NL80211_ATTR_MAC
])
8436 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8439 if (!rdev
->ops
->disassoc
)
8442 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8443 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8446 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8448 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8449 if (reason_code
== 0) {
8450 /* Reason Code 0 is reserved */
8454 if (info
->attrs
[NL80211_ATTR_IE
]) {
8455 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8456 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8459 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8461 wdev_lock(dev
->ieee80211_ptr
);
8462 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8463 local_state_change
);
8464 wdev_unlock(dev
->ieee80211_ptr
);
8469 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
8470 int mcast_rate
[NUM_NL80211_BANDS
],
8473 struct wiphy
*wiphy
= &rdev
->wiphy
;
8477 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
8478 struct ieee80211_supported_band
*sband
;
8480 sband
= wiphy
->bands
[band
];
8484 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
8485 if (sband
->bitrates
[i
].bitrate
== rateval
) {
8486 mcast_rate
[band
] = i
+ 1;
8496 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8498 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8499 struct net_device
*dev
= info
->user_ptr
[1];
8500 struct cfg80211_ibss_params ibss
;
8501 struct wiphy
*wiphy
;
8502 struct cfg80211_cached_keys
*connkeys
= NULL
;
8505 memset(&ibss
, 0, sizeof(ibss
));
8507 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8510 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8511 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8514 ibss
.beacon_interval
= 100;
8516 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
])
8517 ibss
.beacon_interval
=
8518 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8520 err
= cfg80211_validate_beacon_int(rdev
, NL80211_IFTYPE_ADHOC
,
8521 ibss
.beacon_interval
);
8525 if (!rdev
->ops
->join_ibss
)
8528 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8531 wiphy
= &rdev
->wiphy
;
8533 if (info
->attrs
[NL80211_ATTR_MAC
]) {
8534 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8536 if (!is_valid_ether_addr(ibss
.bssid
))
8539 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8540 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8542 if (info
->attrs
[NL80211_ATTR_IE
]) {
8543 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8544 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8547 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
8551 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
8552 NL80211_IFTYPE_ADHOC
))
8555 switch (ibss
.chandef
.width
) {
8556 case NL80211_CHAN_WIDTH_5
:
8557 case NL80211_CHAN_WIDTH_10
:
8558 case NL80211_CHAN_WIDTH_20_NOHT
:
8560 case NL80211_CHAN_WIDTH_20
:
8561 case NL80211_CHAN_WIDTH_40
:
8562 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8565 case NL80211_CHAN_WIDTH_80
:
8566 case NL80211_CHAN_WIDTH_80P80
:
8567 case NL80211_CHAN_WIDTH_160
:
8568 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8570 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8571 NL80211_EXT_FEATURE_VHT_IBSS
))
8578 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
8579 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
8581 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8583 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8585 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8586 struct ieee80211_supported_band
*sband
=
8587 wiphy
->bands
[ibss
.chandef
.chan
->band
];
8589 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8595 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8596 memcpy(&ibss
.ht_capa_mask
,
8597 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8598 sizeof(ibss
.ht_capa_mask
));
8600 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8601 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8603 memcpy(&ibss
.ht_capa
,
8604 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8605 sizeof(ibss
.ht_capa
));
8608 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8609 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
8610 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8613 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8616 connkeys
= nl80211_parse_connkeys(rdev
,
8617 info
->attrs
[NL80211_ATTR_KEYS
],
8619 if (IS_ERR(connkeys
))
8620 return PTR_ERR(connkeys
);
8622 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
8630 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
8632 ibss
.userspace_handles_dfs
=
8633 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
8635 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
8641 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8643 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8644 struct net_device
*dev
= info
->user_ptr
[1];
8646 if (!rdev
->ops
->leave_ibss
)
8649 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8652 return cfg80211_leave_ibss(rdev
, dev
, false);
8655 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
8657 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8658 struct net_device
*dev
= info
->user_ptr
[1];
8659 int mcast_rate
[NUM_NL80211_BANDS
];
8663 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
8664 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
8665 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
8668 if (!rdev
->ops
->set_mcast_rate
)
8671 memset(mcast_rate
, 0, sizeof(mcast_rate
));
8673 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
8676 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
8677 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
8680 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
8685 static struct sk_buff
*
8686 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
8687 struct wireless_dev
*wdev
, int approxlen
,
8688 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
8689 enum nl80211_attrs attr
,
8690 const struct nl80211_vendor_cmd_info
*info
,
8693 struct sk_buff
*skb
;
8695 struct nlattr
*data
;
8697 skb
= nlmsg_new(approxlen
+ 100, gfp
);
8701 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
8707 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
8708 goto nla_put_failure
;
8711 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
8713 goto nla_put_failure
;
8714 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
8716 goto nla_put_failure
;
8720 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
8721 wdev_id(wdev
), NL80211_ATTR_PAD
))
8722 goto nla_put_failure
;
8724 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
8725 wdev
->netdev
->ifindex
))
8726 goto nla_put_failure
;
8729 data
= nla_nest_start(skb
, attr
);
8731 goto nla_put_failure
;
8733 ((void **)skb
->cb
)[0] = rdev
;
8734 ((void **)skb
->cb
)[1] = hdr
;
8735 ((void **)skb
->cb
)[2] = data
;
8744 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
8745 struct wireless_dev
*wdev
,
8746 enum nl80211_commands cmd
,
8747 enum nl80211_attrs attr
,
8748 int vendor_event_idx
,
8749 int approxlen
, gfp_t gfp
)
8751 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
8752 const struct nl80211_vendor_cmd_info
*info
;
8755 case NL80211_CMD_TESTMODE
:
8756 if (WARN_ON(vendor_event_idx
!= -1))
8760 case NL80211_CMD_VENDOR
:
8761 if (WARN_ON(vendor_event_idx
< 0 ||
8762 vendor_event_idx
>= wiphy
->n_vendor_events
))
8764 info
= &wiphy
->vendor_events
[vendor_event_idx
];
8771 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
8772 cmd
, attr
, info
, gfp
);
8774 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
8776 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
8778 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8779 void *hdr
= ((void **)skb
->cb
)[1];
8780 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8781 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
8783 /* clear CB data for netlink core to own from now on */
8784 memset(skb
->cb
, 0, sizeof(skb
->cb
));
8786 nla_nest_end(skb
, data
);
8787 genlmsg_end(skb
, hdr
);
8789 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
8790 mcgrp
= NL80211_MCGRP_VENDOR
;
8792 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
8795 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
8797 #ifdef CONFIG_NL80211_TESTMODE
8798 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
8800 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8801 struct wireless_dev
*wdev
=
8802 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8805 if (!rdev
->ops
->testmode_cmd
)
8809 err
= PTR_ERR(wdev
);
8813 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8817 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
8820 rdev
->cur_cmd_info
= info
;
8821 err
= rdev_testmode_cmd(rdev
, wdev
,
8822 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
8823 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
8824 rdev
->cur_cmd_info
= NULL
;
8829 static int nl80211_testmode_dump(struct sk_buff
*skb
,
8830 struct netlink_callback
*cb
)
8832 struct cfg80211_registered_device
*rdev
;
8842 * 0 is a valid index, but not valid for args[0],
8843 * so we need to offset by 1.
8845 phy_idx
= cb
->args
[0] - 1;
8847 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
8853 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
8855 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
8856 attrbuf
, nl80211_fam
.maxattr
,
8857 nl80211_policy
, NULL
);
8861 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
8863 err
= PTR_ERR(rdev
);
8866 phy_idx
= rdev
->wiphy_idx
;
8868 if (attrbuf
[NL80211_ATTR_TESTDATA
])
8869 cb
->args
[1] = (long)attrbuf
[NL80211_ATTR_TESTDATA
];
8873 data
= nla_data((void *)cb
->args
[1]);
8874 data_len
= nla_len((void *)cb
->args
[1]);
8877 if (!rdev
->ops
->testmode_dump
) {
8883 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
8884 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8885 NL80211_CMD_TESTMODE
);
8886 struct nlattr
*tmdata
;
8891 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
8892 genlmsg_cancel(skb
, hdr
);
8896 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
8898 genlmsg_cancel(skb
, hdr
);
8901 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
8902 nla_nest_end(skb
, tmdata
);
8904 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
8905 genlmsg_cancel(skb
, hdr
);
8908 genlmsg_cancel(skb
, hdr
);
8912 genlmsg_end(skb
, hdr
);
8917 cb
->args
[0] = phy_idx
+ 1;
8924 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8926 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8927 struct net_device
*dev
= info
->user_ptr
[1];
8928 struct cfg80211_connect_params connect
;
8929 struct wiphy
*wiphy
;
8930 struct cfg80211_cached_keys
*connkeys
= NULL
;
8933 memset(&connect
, 0, sizeof(connect
));
8935 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8938 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8939 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8942 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8944 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8945 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8946 NL80211_CMD_CONNECT
))
8949 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8951 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8953 if (info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
] &&
8954 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8955 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
8957 connect
.want_1x
= info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
];
8959 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8960 NL80211_MAX_NR_CIPHER_SUITES
);
8964 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8965 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8968 wiphy
= &rdev
->wiphy
;
8970 connect
.bg_scan_period
= -1;
8971 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8972 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8973 connect
.bg_scan_period
=
8974 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8977 if (info
->attrs
[NL80211_ATTR_MAC
])
8978 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8979 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8980 connect
.bssid_hint
=
8981 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8982 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8983 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8985 if (info
->attrs
[NL80211_ATTR_IE
]) {
8986 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8987 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8990 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8991 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8992 if (connect
.mfp
== NL80211_MFP_OPTIONAL
&&
8993 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8994 NL80211_EXT_FEATURE_MFP_OPTIONAL
))
8997 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
8998 connect
.mfp
!= NL80211_MFP_NO
&&
8999 connect
.mfp
!= NL80211_MFP_OPTIONAL
)
9002 connect
.mfp
= NL80211_MFP_NO
;
9005 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
9006 connect
.prev_bssid
=
9007 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
9009 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9010 connect
.channel
= nl80211_get_valid_chan(
9011 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
9012 if (!connect
.channel
)
9014 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
9015 connect
.channel_hint
= nl80211_get_valid_chan(
9016 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
9017 if (!connect
.channel_hint
)
9021 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
9022 connkeys
= nl80211_parse_connkeys(rdev
,
9023 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
9024 if (IS_ERR(connkeys
))
9025 return PTR_ERR(connkeys
);
9028 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
9029 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
9031 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
9032 memcpy(&connect
.ht_capa_mask
,
9033 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
9034 sizeof(connect
.ht_capa_mask
));
9036 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
9037 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
9041 memcpy(&connect
.ht_capa
,
9042 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
9043 sizeof(connect
.ht_capa
));
9046 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
9047 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
9049 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
9050 memcpy(&connect
.vht_capa_mask
,
9051 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
9052 sizeof(connect
.vht_capa_mask
));
9054 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
9055 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
9059 memcpy(&connect
.vht_capa
,
9060 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
9061 sizeof(connect
.vht_capa
));
9064 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
9065 if (!((rdev
->wiphy
.features
&
9066 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
9067 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
9068 !wiphy_ext_feature_isset(&rdev
->wiphy
,
9069 NL80211_EXT_FEATURE_RRM
)) {
9073 connect
.flags
|= ASSOC_REQ_USE_RRM
;
9076 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
9077 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
9082 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
9083 /* bss selection makes no sense if bssid is set */
9084 if (connect
.bssid
) {
9089 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
9090 wiphy
, &connect
.bss_select
);
9097 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
9098 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
9099 info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] &&
9100 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] &&
9101 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] &&
9102 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9103 connect
.fils_erp_username
=
9104 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9105 connect
.fils_erp_username_len
=
9106 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9107 connect
.fils_erp_realm
=
9108 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9109 connect
.fils_erp_realm_len
=
9110 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9111 connect
.fils_erp_next_seq_num
=
9113 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
]);
9114 connect
.fils_erp_rrk
=
9115 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9116 connect
.fils_erp_rrk_len
=
9117 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9118 } else if (info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] ||
9119 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] ||
9120 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] ||
9121 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9126 wdev_lock(dev
->ieee80211_ptr
);
9128 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
9129 connect
.prev_bssid
);
9133 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
9134 dev
->ieee80211_ptr
->conn_owner_nlportid
= info
->snd_portid
;
9136 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
9137 connect
.bssid
, ETH_ALEN
);
9139 memset(dev
->ieee80211_ptr
->disconnect_bssid
,
9143 wdev_unlock(dev
->ieee80211_ptr
);
9148 static int nl80211_update_connect_params(struct sk_buff
*skb
,
9149 struct genl_info
*info
)
9151 struct cfg80211_connect_params connect
= {};
9152 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9153 struct net_device
*dev
= info
->user_ptr
[1];
9154 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9158 if (!rdev
->ops
->update_connect_params
)
9161 if (info
->attrs
[NL80211_ATTR_IE
]) {
9162 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9164 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9165 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9166 changed
|= UPDATE_ASSOC_IES
;
9169 wdev_lock(dev
->ieee80211_ptr
);
9170 if (!wdev
->current_bss
)
9173 ret
= rdev_update_connect_params(rdev
, dev
, &connect
, changed
);
9174 wdev_unlock(dev
->ieee80211_ptr
);
9179 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
9181 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9182 struct net_device
*dev
= info
->user_ptr
[1];
9186 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
9187 reason
= WLAN_REASON_DEAUTH_LEAVING
;
9189 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
9194 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9195 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9198 wdev_lock(dev
->ieee80211_ptr
);
9199 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
9200 wdev_unlock(dev
->ieee80211_ptr
);
9204 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
9206 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9210 if (info
->attrs
[NL80211_ATTR_PID
]) {
9211 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
9213 net
= get_net_ns_by_pid(pid
);
9214 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
9215 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
9217 net
= get_net_ns_by_fd(fd
);
9223 return PTR_ERR(net
);
9227 /* check if anything to do */
9228 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
9229 err
= cfg80211_switch_netns(rdev
, net
);
9235 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9237 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9238 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
9239 struct cfg80211_pmksa
*pmksa
) = NULL
;
9240 struct net_device
*dev
= info
->user_ptr
[1];
9241 struct cfg80211_pmksa pmksa
;
9243 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
9245 if (!info
->attrs
[NL80211_ATTR_PMKID
])
9248 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
9250 if (info
->attrs
[NL80211_ATTR_MAC
]) {
9251 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9252 } else if (info
->attrs
[NL80211_ATTR_SSID
] &&
9253 info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
] &&
9254 (info
->genlhdr
->cmd
== NL80211_CMD_DEL_PMKSA
||
9255 info
->attrs
[NL80211_ATTR_PMK
])) {
9256 pmksa
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
9257 pmksa
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
9259 nla_data(info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
]);
9263 if (info
->attrs
[NL80211_ATTR_PMK
]) {
9264 pmksa
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
9265 pmksa
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
9268 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9269 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9272 switch (info
->genlhdr
->cmd
) {
9273 case NL80211_CMD_SET_PMKSA
:
9274 rdev_ops
= rdev
->ops
->set_pmksa
;
9276 case NL80211_CMD_DEL_PMKSA
:
9277 rdev_ops
= rdev
->ops
->del_pmksa
;
9287 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
9290 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9292 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9293 struct net_device
*dev
= info
->user_ptr
[1];
9295 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9296 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9299 if (!rdev
->ops
->flush_pmksa
)
9302 return rdev_flush_pmksa(rdev
, dev
);
9305 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9307 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9308 struct net_device
*dev
= info
->user_ptr
[1];
9309 u8 action_code
, dialog_token
;
9310 u32 peer_capability
= 0;
9315 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9316 !rdev
->ops
->tdls_mgmt
)
9319 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
9320 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
9321 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
9322 !info
->attrs
[NL80211_ATTR_IE
] ||
9323 !info
->attrs
[NL80211_ATTR_MAC
])
9326 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9327 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
9328 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
9329 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
9330 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
9331 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
9333 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
9335 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
9336 dialog_token
, status_code
, peer_capability
,
9338 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
9339 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
9342 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
9344 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9345 struct net_device
*dev
= info
->user_ptr
[1];
9346 enum nl80211_tdls_operation operation
;
9349 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9350 !rdev
->ops
->tdls_oper
)
9353 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
9354 !info
->attrs
[NL80211_ATTR_MAC
])
9357 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
9358 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9360 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
9363 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
9364 struct genl_info
*info
)
9366 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9367 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9368 struct cfg80211_chan_def chandef
;
9369 const struct cfg80211_chan_def
*compat_chandef
;
9370 struct sk_buff
*msg
;
9376 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
9377 !info
->attrs
[NL80211_ATTR_DURATION
])
9380 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9382 if (!rdev
->ops
->remain_on_channel
||
9383 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
9387 * We should be on that channel for at least a minimum amount of
9388 * time (10ms) but no longer than the driver supports.
9390 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9391 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
9394 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9399 if (!cfg80211_off_channel_oper_allowed(wdev
) &&
9400 !cfg80211_chandef_identical(&wdev
->chandef
, &chandef
)) {
9401 compat_chandef
= cfg80211_chandef_compatible(&wdev
->chandef
,
9403 if (compat_chandef
!= &chandef
) {
9410 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9414 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9415 NL80211_CMD_REMAIN_ON_CHANNEL
);
9421 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
9427 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9429 goto nla_put_failure
;
9431 genlmsg_end(msg
, hdr
);
9433 return genlmsg_reply(msg
, info
);
9442 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
9443 struct genl_info
*info
)
9445 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9446 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9449 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9452 if (!rdev
->ops
->cancel_remain_on_channel
)
9455 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9457 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
9460 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
9461 struct genl_info
*info
)
9463 struct cfg80211_bitrate_mask mask
;
9464 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9465 struct net_device
*dev
= info
->user_ptr
[1];
9468 if (!rdev
->ops
->set_bitrate_mask
)
9471 err
= nl80211_parse_tx_bitrate_mask(info
, &mask
);
9475 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
9478 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9480 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9481 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9482 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
9484 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
9487 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
9488 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
9490 switch (wdev
->iftype
) {
9491 case NL80211_IFTYPE_STATION
:
9492 case NL80211_IFTYPE_ADHOC
:
9493 case NL80211_IFTYPE_P2P_CLIENT
:
9494 case NL80211_IFTYPE_AP
:
9495 case NL80211_IFTYPE_AP_VLAN
:
9496 case NL80211_IFTYPE_MESH_POINT
:
9497 case NL80211_IFTYPE_P2P_GO
:
9498 case NL80211_IFTYPE_P2P_DEVICE
:
9500 case NL80211_IFTYPE_NAN
:
9505 /* not much point in registering if we can't reply */
9506 if (!rdev
->ops
->mgmt_tx
)
9509 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
9510 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
9511 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
9514 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9516 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9517 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9518 struct cfg80211_chan_def chandef
;
9522 struct sk_buff
*msg
= NULL
;
9523 struct cfg80211_mgmt_tx_params params
= {
9524 .dont_wait_for_ack
=
9525 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
9528 if (!info
->attrs
[NL80211_ATTR_FRAME
])
9531 if (!rdev
->ops
->mgmt_tx
)
9534 switch (wdev
->iftype
) {
9535 case NL80211_IFTYPE_P2P_DEVICE
:
9536 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
9538 case NL80211_IFTYPE_STATION
:
9539 case NL80211_IFTYPE_ADHOC
:
9540 case NL80211_IFTYPE_P2P_CLIENT
:
9541 case NL80211_IFTYPE_AP
:
9542 case NL80211_IFTYPE_AP_VLAN
:
9543 case NL80211_IFTYPE_MESH_POINT
:
9544 case NL80211_IFTYPE_P2P_GO
:
9546 case NL80211_IFTYPE_NAN
:
9551 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
9552 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9554 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9557 * We should wait on the channel for at least a minimum amount
9558 * of time (10ms) but no longer than the driver supports.
9560 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9561 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
9565 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
9567 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9570 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
9572 /* get the channel if any has been specified, otherwise pass NULL to
9573 * the driver. The latter will use the current one
9575 chandef
.chan
= NULL
;
9576 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9577 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9582 if (!chandef
.chan
&& params
.offchan
)
9586 if (params
.offchan
&& !cfg80211_off_channel_oper_allowed(wdev
)) {
9592 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
9593 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
9595 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
9596 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9599 if (len
% sizeof(u16
))
9602 params
.n_csa_offsets
= len
/ sizeof(u16
);
9603 params
.csa_offsets
=
9604 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9606 /* check that all the offsets fit the frame */
9607 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
9608 if (params
.csa_offsets
[i
] >= params
.len
)
9613 if (!params
.dont_wait_for_ack
) {
9614 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9618 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9626 params
.chan
= chandef
.chan
;
9627 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
9632 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9634 goto nla_put_failure
;
9636 genlmsg_end(msg
, hdr
);
9637 return genlmsg_reply(msg
, info
);
9649 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
9651 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9652 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9655 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9658 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
9661 switch (wdev
->iftype
) {
9662 case NL80211_IFTYPE_STATION
:
9663 case NL80211_IFTYPE_ADHOC
:
9664 case NL80211_IFTYPE_P2P_CLIENT
:
9665 case NL80211_IFTYPE_AP
:
9666 case NL80211_IFTYPE_AP_VLAN
:
9667 case NL80211_IFTYPE_P2P_GO
:
9668 case NL80211_IFTYPE_P2P_DEVICE
:
9670 case NL80211_IFTYPE_NAN
:
9675 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9677 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
9680 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9682 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9683 struct wireless_dev
*wdev
;
9684 struct net_device
*dev
= info
->user_ptr
[1];
9689 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
9692 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
9694 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
9697 wdev
= dev
->ieee80211_ptr
;
9699 if (!rdev
->ops
->set_power_mgmt
)
9702 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
9704 if (state
== wdev
->ps
)
9707 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
9713 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9715 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9716 enum nl80211_ps_state ps_state
;
9717 struct wireless_dev
*wdev
;
9718 struct net_device
*dev
= info
->user_ptr
[1];
9719 struct sk_buff
*msg
;
9723 wdev
= dev
->ieee80211_ptr
;
9725 if (!rdev
->ops
->set_power_mgmt
)
9728 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9732 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9733 NL80211_CMD_GET_POWER_SAVE
);
9740 ps_state
= NL80211_PS_ENABLED
;
9742 ps_state
= NL80211_PS_DISABLED
;
9744 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
9745 goto nla_put_failure
;
9747 genlmsg_end(msg
, hdr
);
9748 return genlmsg_reply(msg
, info
);
9757 static const struct nla_policy
9758 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
9759 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_BINARY
},
9760 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
9761 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
9762 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
9763 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
9764 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
9765 [NL80211_ATTR_CQM_RSSI_LEVEL
] = { .type
= NLA_S32
},
9768 static int nl80211_set_cqm_txe(struct genl_info
*info
,
9769 u32 rate
, u32 pkts
, u32 intvl
)
9771 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9772 struct net_device
*dev
= info
->user_ptr
[1];
9773 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9775 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
9778 if (!rdev
->ops
->set_cqm_txe_config
)
9781 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9782 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9785 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
9788 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device
*rdev
,
9789 struct net_device
*dev
)
9791 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9792 s32 last
, low
, high
;
9797 /* RSSI reporting disabled? */
9798 if (!wdev
->cqm_config
)
9799 return rdev_set_cqm_rssi_range_config(rdev
, dev
, 0, 0);
9802 * Obtain current RSSI value if possible, if not and no RSSI threshold
9803 * event has been received yet, we should receive an event after a
9804 * connection is established and enough beacons received to calculate
9807 if (!wdev
->cqm_config
->last_rssi_event_value
&& wdev
->current_bss
&&
9808 rdev
->ops
->get_station
) {
9809 struct station_info sinfo
;
9812 mac_addr
= wdev
->current_bss
->pub
.bssid
;
9814 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
9818 if (sinfo
.filled
& BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
))
9819 wdev
->cqm_config
->last_rssi_event_value
=
9820 (s8
) sinfo
.rx_beacon_signal_avg
;
9823 last
= wdev
->cqm_config
->last_rssi_event_value
;
9824 hyst
= wdev
->cqm_config
->rssi_hyst
;
9825 n
= wdev
->cqm_config
->n_rssi_thresholds
;
9827 for (i
= 0; i
< n
; i
++)
9828 if (last
< wdev
->cqm_config
->rssi_thresholds
[i
])
9832 (wdev
->cqm_config
->rssi_thresholds
[i
- 1] - hyst
) : S32_MIN
;
9834 (wdev
->cqm_config
->rssi_thresholds
[i
] + hyst
- 1) : S32_MAX
;
9836 return rdev_set_cqm_rssi_range_config(rdev
, dev
, low
, high
);
9839 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
9840 const s32
*thresholds
, int n_thresholds
,
9843 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9844 struct net_device
*dev
= info
->user_ptr
[1];
9845 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9849 /* Check all values negative and sorted */
9850 for (i
= 0; i
< n_thresholds
; i
++) {
9851 if (thresholds
[i
] > 0 || thresholds
[i
] <= prev
)
9854 prev
= thresholds
[i
];
9857 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9858 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9862 cfg80211_cqm_config_free(wdev
);
9865 if (n_thresholds
<= 1 && rdev
->ops
->set_cqm_rssi_config
) {
9866 if (n_thresholds
== 0 || thresholds
[0] == 0) /* Disabling */
9867 return rdev_set_cqm_rssi_config(rdev
, dev
, 0, 0);
9869 return rdev_set_cqm_rssi_config(rdev
, dev
,
9870 thresholds
[0], hysteresis
);
9873 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
9874 NL80211_EXT_FEATURE_CQM_RSSI_LIST
))
9877 if (n_thresholds
== 1 && thresholds
[0] == 0) /* Disabling */
9882 struct cfg80211_cqm_config
*cqm_config
;
9884 cqm_config
= kzalloc(sizeof(struct cfg80211_cqm_config
) +
9885 n_thresholds
* sizeof(s32
), GFP_KERNEL
);
9891 cqm_config
->rssi_hyst
= hysteresis
;
9892 cqm_config
->n_rssi_thresholds
= n_thresholds
;
9893 memcpy(cqm_config
->rssi_thresholds
, thresholds
,
9894 n_thresholds
* sizeof(s32
));
9896 wdev
->cqm_config
= cqm_config
;
9899 err
= cfg80211_cqm_rssi_update(rdev
, dev
);
9907 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
9909 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
9913 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
9917 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
9918 nl80211_attr_cqm_policy
, info
->extack
);
9922 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9923 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9924 const s32
*thresholds
=
9925 nla_data(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9926 int len
= nla_len(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9927 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9932 return nl80211_set_cqm_rssi(info
, thresholds
, len
/ 4,
9936 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9937 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9938 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9939 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9940 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9941 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9943 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9949 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9951 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9952 struct net_device
*dev
= info
->user_ptr
[1];
9953 struct ocb_setup setup
= {};
9956 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9960 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9963 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9965 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9966 struct net_device
*dev
= info
->user_ptr
[1];
9968 return cfg80211_leave_ocb(rdev
, dev
);
9971 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9973 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9974 struct net_device
*dev
= info
->user_ptr
[1];
9975 struct mesh_config cfg
;
9976 struct mesh_setup setup
;
9979 /* start with default */
9980 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9981 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9983 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9984 /* and parse parameters if given */
9985 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9990 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9991 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9994 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9995 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9997 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9998 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
9999 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
10002 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
10003 setup
.beacon_interval
=
10004 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
10006 err
= cfg80211_validate_beacon_int(rdev
,
10007 NL80211_IFTYPE_MESH_POINT
,
10008 setup
.beacon_interval
);
10013 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
10014 setup
.dtim_period
=
10015 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
10016 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
10020 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
10021 /* parse additional setup parameters if given */
10022 err
= nl80211_parse_mesh_setup(info
, &setup
);
10027 if (setup
.user_mpm
)
10028 cfg
.auto_open_plinks
= false;
10030 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
10031 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
10035 /* cfg80211_join_mesh() will sort it out */
10036 setup
.chandef
.chan
= NULL
;
10039 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
10040 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10042 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
10043 struct ieee80211_supported_band
*sband
;
10045 if (!setup
.chandef
.chan
)
10048 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
10050 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
10051 &setup
.basic_rates
);
10056 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
10057 err
= nl80211_parse_tx_bitrate_mask(info
, &setup
.beacon_rate
);
10061 if (!setup
.chandef
.chan
)
10064 err
= validate_beacon_tx_rate(rdev
, setup
.chandef
.chan
->band
,
10065 &setup
.beacon_rate
);
10070 setup
.userspace_handles_dfs
=
10071 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
10073 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
10076 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
10078 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10079 struct net_device
*dev
= info
->user_ptr
[1];
10081 return cfg80211_leave_mesh(rdev
, dev
);
10085 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
10086 struct cfg80211_registered_device
*rdev
)
10088 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
10089 struct nlattr
*nl_pats
, *nl_pat
;
10092 if (!wowlan
->n_patterns
)
10095 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
10099 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
10100 nl_pat
= nla_nest_start(msg
, i
+ 1);
10103 pat_len
= wowlan
->patterns
[i
].pattern_len
;
10104 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
10105 wowlan
->patterns
[i
].mask
) ||
10106 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10107 wowlan
->patterns
[i
].pattern
) ||
10108 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10109 wowlan
->patterns
[i
].pkt_offset
))
10111 nla_nest_end(msg
, nl_pat
);
10113 nla_nest_end(msg
, nl_pats
);
10118 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
10119 struct cfg80211_wowlan_tcp
*tcp
)
10121 struct nlattr
*nl_tcp
;
10126 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
10130 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
10131 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
10132 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
10133 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
10134 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
10135 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
10136 tcp
->payload_len
, tcp
->payload
) ||
10137 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
10138 tcp
->data_interval
) ||
10139 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
10140 tcp
->wake_len
, tcp
->wake_data
) ||
10141 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
10142 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
10145 if (tcp
->payload_seq
.len
&&
10146 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
10147 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
10150 if (tcp
->payload_tok
.len
&&
10151 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
10152 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
10153 &tcp
->payload_tok
))
10156 nla_nest_end(msg
, nl_tcp
);
10161 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
10162 struct cfg80211_sched_scan_request
*req
)
10164 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
10170 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
10174 if (req
->n_scan_plans
== 1 &&
10175 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
10176 req
->scan_plans
[0].interval
* 1000))
10179 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
10182 if (req
->relative_rssi_set
) {
10183 struct nl80211_bss_select_rssi_adjust rssi_adjust
;
10185 if (nla_put_s8(msg
, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
,
10186 req
->relative_rssi
))
10189 rssi_adjust
.band
= req
->rssi_adjust
.band
;
10190 rssi_adjust
.delta
= req
->rssi_adjust
.delta
;
10191 if (nla_put(msg
, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
,
10192 sizeof(rssi_adjust
), &rssi_adjust
))
10196 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10200 for (i
= 0; i
< req
->n_channels
; i
++) {
10201 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10205 nla_nest_end(msg
, freqs
);
10207 if (req
->n_match_sets
) {
10208 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
10212 for (i
= 0; i
< req
->n_match_sets
; i
++) {
10213 match
= nla_nest_start(msg
, i
);
10217 if (nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
10218 req
->match_sets
[i
].ssid
.ssid_len
,
10219 req
->match_sets
[i
].ssid
.ssid
))
10221 nla_nest_end(msg
, match
);
10223 nla_nest_end(msg
, matches
);
10226 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
10230 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
10231 scan_plan
= nla_nest_start(msg
, i
+ 1);
10236 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
10237 req
->scan_plans
[i
].interval
) ||
10238 (req
->scan_plans
[i
].iterations
&&
10239 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
10240 req
->scan_plans
[i
].iterations
)))
10242 nla_nest_end(msg
, scan_plan
);
10244 nla_nest_end(msg
, scan_plans
);
10246 nla_nest_end(msg
, nd
);
10251 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10253 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10254 struct sk_buff
*msg
;
10256 u32 size
= NLMSG_DEFAULT_SIZE
;
10258 if (!rdev
->wiphy
.wowlan
)
10259 return -EOPNOTSUPP
;
10261 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
10262 /* adjust size to have room for all the data */
10263 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
10264 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
10265 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
10266 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
10269 msg
= nlmsg_new(size
, GFP_KERNEL
);
10273 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10274 NL80211_CMD_GET_WOWLAN
);
10276 goto nla_put_failure
;
10278 if (rdev
->wiphy
.wowlan_config
) {
10279 struct nlattr
*nl_wowlan
;
10281 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
10283 goto nla_put_failure
;
10285 if ((rdev
->wiphy
.wowlan_config
->any
&&
10286 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
10287 (rdev
->wiphy
.wowlan_config
->disconnect
&&
10288 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
10289 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
10290 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
10291 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
10292 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
10293 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
10294 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
10295 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
10296 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
10297 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
10298 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
10299 goto nla_put_failure
;
10301 if (nl80211_send_wowlan_patterns(msg
, rdev
))
10302 goto nla_put_failure
;
10304 if (nl80211_send_wowlan_tcp(msg
,
10305 rdev
->wiphy
.wowlan_config
->tcp
))
10306 goto nla_put_failure
;
10308 if (nl80211_send_wowlan_nd(
10310 rdev
->wiphy
.wowlan_config
->nd_config
))
10311 goto nla_put_failure
;
10313 nla_nest_end(msg
, nl_wowlan
);
10316 genlmsg_end(msg
, hdr
);
10317 return genlmsg_reply(msg
, info
);
10324 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
10325 struct nlattr
*attr
,
10326 struct cfg80211_wowlan
*trig
)
10328 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
10329 struct cfg80211_wowlan_tcp
*cfg
;
10330 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
10331 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
10333 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
10336 if (!rdev
->wiphy
.wowlan
->tcp
)
10339 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TCP
, attr
,
10340 nl80211_wowlan_tcp_policy
, NULL
);
10344 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
10345 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
10346 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
10347 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
10348 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
10349 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
10350 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
10351 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
10354 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
10355 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
10358 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
10359 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
10360 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
10363 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
10364 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
10367 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
10368 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
10371 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
10372 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10374 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10375 tokens_size
= tokln
- sizeof(*tok
);
10377 if (!tok
->len
|| tokens_size
% tok
->len
)
10379 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
10381 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
10383 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
10385 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
10387 if (tok
->offset
+ tok
->len
> data_size
)
10391 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
10392 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
10393 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
10395 if (seq
->len
== 0 || seq
->len
> 4)
10397 if (seq
->len
+ seq
->offset
> data_size
)
10401 size
= sizeof(*cfg
);
10403 size
+= wake_size
+ wake_mask_size
;
10404 size
+= tokens_size
;
10406 cfg
= kzalloc(size
, GFP_KERNEL
);
10409 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
10410 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
10411 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
10413 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
10414 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
10418 /* allocate a socket and port for it and use it */
10419 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
10420 IPPROTO_TCP
, &cfg
->sock
, 1);
10425 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
10426 sock_release(cfg
->sock
);
10428 return -EADDRINUSE
;
10430 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
10436 cfg
->src_port
= port
;
10439 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
10440 cfg
->payload_len
= data_size
;
10441 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
10442 memcpy((void *)cfg
->payload
,
10443 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
10446 cfg
->payload_seq
= *seq
;
10447 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
10448 cfg
->wake_len
= wake_size
;
10449 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
10450 memcpy((void *)cfg
->wake_data
,
10451 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
10453 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
10454 data_size
+ wake_size
;
10455 memcpy((void *)cfg
->wake_mask
,
10456 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
10459 cfg
->tokens_size
= tokens_size
;
10460 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
10468 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
10469 const struct wiphy_wowlan_support
*wowlan
,
10470 struct nlattr
*attr
,
10471 struct cfg80211_wowlan
*trig
)
10473 struct nlattr
**tb
;
10476 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
10480 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
10485 err
= nla_parse_nested(tb
, NL80211_ATTR_MAX
, attr
, nl80211_policy
,
10490 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
,
10491 wowlan
->max_nd_match_sets
);
10492 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
10494 trig
->nd_config
= NULL
;
10501 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10503 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10504 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
10505 struct cfg80211_wowlan new_triggers
= {};
10506 struct cfg80211_wowlan
*ntrig
;
10507 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
10509 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
10510 bool regular
= false;
10513 return -EOPNOTSUPP
;
10515 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
10516 cfg80211_rdev_free_wowlan(rdev
);
10517 rdev
->wiphy
.wowlan_config
= NULL
;
10521 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TRIG
,
10522 info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
],
10523 nl80211_wowlan_policy
, info
->extack
);
10527 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
10528 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
10530 new_triggers
.any
= true;
10533 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
10534 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
10536 new_triggers
.disconnect
= true;
10540 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
10541 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
10543 new_triggers
.magic_pkt
= true;
10547 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
10550 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
10551 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
10553 new_triggers
.gtk_rekey_failure
= true;
10557 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
10558 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
10560 new_triggers
.eap_identity_req
= true;
10564 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
10565 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
10567 new_triggers
.four_way_handshake
= true;
10571 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
10572 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
10574 new_triggers
.rfkill_release
= true;
10578 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
10579 struct nlattr
*pat
;
10580 int n_patterns
= 0;
10581 int rem
, pat_len
, mask_len
, pkt_offset
;
10582 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10586 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10589 if (n_patterns
> wowlan
->n_patterns
)
10592 new_triggers
.patterns
= kcalloc(n_patterns
,
10593 sizeof(new_triggers
.patterns
[0]),
10595 if (!new_triggers
.patterns
)
10598 new_triggers
.n_patterns
= n_patterns
;
10601 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10605 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10606 nl80211_packet_pattern_policy
,
10609 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10610 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10612 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10613 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10614 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10616 if (pat_len
> wowlan
->pattern_max_len
||
10617 pat_len
< wowlan
->pattern_min_len
)
10620 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10623 pkt_offset
= nla_get_u32(
10624 pat_tb
[NL80211_PKTPAT_OFFSET
]);
10625 if (pkt_offset
> wowlan
->max_pkt_offset
)
10627 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
10629 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10634 new_triggers
.patterns
[i
].mask
= mask_pat
;
10635 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10637 mask_pat
+= mask_len
;
10638 new_triggers
.patterns
[i
].pattern
= mask_pat
;
10639 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
10641 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10647 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
10649 err
= nl80211_parse_wowlan_tcp(
10650 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
10656 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
10658 err
= nl80211_parse_wowlan_nd(
10659 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
10665 /* The 'any' trigger means the device continues operating more or less
10666 * as in its normal operation mode and wakes up the host on most of the
10667 * normal interrupts (like packet RX, ...)
10668 * It therefore makes little sense to combine with the more constrained
10669 * wakeup trigger modes.
10671 if (new_triggers
.any
&& regular
) {
10676 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
10681 cfg80211_rdev_free_wowlan(rdev
);
10682 rdev
->wiphy
.wowlan_config
= ntrig
;
10685 if (rdev
->ops
->set_wakeup
&&
10686 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
10687 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
10691 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
10692 kfree(new_triggers
.patterns
[i
].mask
);
10693 kfree(new_triggers
.patterns
);
10694 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
10695 sock_release(new_triggers
.tcp
->sock
);
10696 kfree(new_triggers
.tcp
);
10697 kfree(new_triggers
.nd_config
);
10702 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
10703 struct cfg80211_registered_device
*rdev
)
10705 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
10707 struct cfg80211_coalesce_rules
*rule
;
10709 if (!rdev
->coalesce
->n_rules
)
10712 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
10716 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
10717 nl_rule
= nla_nest_start(msg
, i
+ 1);
10721 rule
= &rdev
->coalesce
->rules
[i
];
10722 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
10726 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
10730 nl_pats
= nla_nest_start(msg
,
10731 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
10735 for (j
= 0; j
< rule
->n_patterns
; j
++) {
10736 nl_pat
= nla_nest_start(msg
, j
+ 1);
10739 pat_len
= rule
->patterns
[j
].pattern_len
;
10740 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
10741 DIV_ROUND_UP(pat_len
, 8),
10742 rule
->patterns
[j
].mask
) ||
10743 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10744 rule
->patterns
[j
].pattern
) ||
10745 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10746 rule
->patterns
[j
].pkt_offset
))
10748 nla_nest_end(msg
, nl_pat
);
10750 nla_nest_end(msg
, nl_pats
);
10751 nla_nest_end(msg
, nl_rule
);
10753 nla_nest_end(msg
, nl_rules
);
10758 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10760 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10761 struct sk_buff
*msg
;
10764 if (!rdev
->wiphy
.coalesce
)
10765 return -EOPNOTSUPP
;
10767 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10771 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10772 NL80211_CMD_GET_COALESCE
);
10774 goto nla_put_failure
;
10776 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
10777 goto nla_put_failure
;
10779 genlmsg_end(msg
, hdr
);
10780 return genlmsg_reply(msg
, info
);
10787 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
10789 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
10791 struct cfg80211_coalesce_rules
*rule
;
10796 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
10797 rule
= &coalesce
->rules
[i
];
10798 for (j
= 0; j
< rule
->n_patterns
; j
++)
10799 kfree(rule
->patterns
[j
].mask
);
10800 kfree(rule
->patterns
);
10802 kfree(coalesce
->rules
);
10804 rdev
->coalesce
= NULL
;
10807 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
10808 struct nlattr
*rule
,
10809 struct cfg80211_coalesce_rules
*new_rule
)
10812 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10813 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
10814 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
10815 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10817 err
= nla_parse_nested(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, rule
,
10818 nl80211_coalesce_policy
, NULL
);
10822 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
10824 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
10825 if (new_rule
->delay
> coalesce
->max_delay
)
10828 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
10829 new_rule
->condition
=
10830 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
10831 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
10832 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
10835 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
10838 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10841 if (n_patterns
> coalesce
->n_patterns
)
10844 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
10846 if (!new_rule
->patterns
)
10849 new_rule
->n_patterns
= n_patterns
;
10852 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10856 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10857 nl80211_packet_pattern_policy
, NULL
);
10858 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10859 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10861 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10862 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10863 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10865 if (pat_len
> coalesce
->pattern_max_len
||
10866 pat_len
< coalesce
->pattern_min_len
)
10869 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10872 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
10873 if (pkt_offset
> coalesce
->max_pkt_offset
)
10875 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
10877 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10881 new_rule
->patterns
[i
].mask
= mask_pat
;
10882 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10885 mask_pat
+= mask_len
;
10886 new_rule
->patterns
[i
].pattern
= mask_pat
;
10887 new_rule
->patterns
[i
].pattern_len
= pat_len
;
10888 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10896 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10898 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10899 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10900 struct cfg80211_coalesce new_coalesce
= {};
10901 struct cfg80211_coalesce
*n_coalesce
;
10902 int err
, rem_rule
, n_rules
= 0, i
, j
;
10903 struct nlattr
*rule
;
10904 struct cfg80211_coalesce_rules
*tmp_rule
;
10906 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
10907 return -EOPNOTSUPP
;
10909 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
10910 cfg80211_rdev_free_coalesce(rdev
);
10911 rdev_set_coalesce(rdev
, NULL
);
10915 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10918 if (n_rules
> coalesce
->n_rules
)
10921 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
10923 if (!new_coalesce
.rules
)
10926 new_coalesce
.n_rules
= n_rules
;
10929 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10931 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
10932 &new_coalesce
.rules
[i
]);
10939 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
10943 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
10948 cfg80211_rdev_free_coalesce(rdev
);
10949 rdev
->coalesce
= n_coalesce
;
10953 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
10954 tmp_rule
= &new_coalesce
.rules
[i
];
10955 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
10956 kfree(tmp_rule
->patterns
[j
].mask
);
10957 kfree(tmp_rule
->patterns
);
10959 kfree(new_coalesce
.rules
);
10964 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
10966 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10967 struct net_device
*dev
= info
->user_ptr
[1];
10968 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10969 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
10970 struct cfg80211_gtk_rekey_data rekey_data
;
10973 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10976 err
= nla_parse_nested(tb
, MAX_NL80211_REKEY_DATA
,
10977 info
->attrs
[NL80211_ATTR_REKEY_DATA
],
10978 nl80211_rekey_policy
, info
->extack
);
10982 if (!tb
[NL80211_REKEY_DATA_REPLAY_CTR
] || !tb
[NL80211_REKEY_DATA_KEK
] ||
10983 !tb
[NL80211_REKEY_DATA_KCK
])
10985 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10987 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10989 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10992 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10993 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10994 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
10997 if (!wdev
->current_bss
) {
11002 if (!rdev
->ops
->set_rekey_data
) {
11007 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
11013 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
11014 struct genl_info
*info
)
11016 struct net_device
*dev
= info
->user_ptr
[1];
11017 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11019 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11020 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11023 if (wdev
->ap_unexpected_nlportid
)
11026 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
11030 static int nl80211_probe_client(struct sk_buff
*skb
,
11031 struct genl_info
*info
)
11033 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11034 struct net_device
*dev
= info
->user_ptr
[1];
11035 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11036 struct sk_buff
*msg
;
11042 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11043 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
11044 return -EOPNOTSUPP
;
11046 if (!info
->attrs
[NL80211_ATTR_MAC
])
11049 if (!rdev
->ops
->probe_client
)
11050 return -EOPNOTSUPP
;
11052 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11056 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11057 NL80211_CMD_PROBE_CLIENT
);
11063 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11065 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
11069 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11071 goto nla_put_failure
;
11073 genlmsg_end(msg
, hdr
);
11075 return genlmsg_reply(msg
, info
);
11084 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
11086 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11087 struct cfg80211_beacon_registration
*reg
, *nreg
;
11090 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
11091 return -EOPNOTSUPP
;
11093 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
11097 /* First, check if already registered. */
11098 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11099 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11100 if (reg
->nlportid
== info
->snd_portid
) {
11105 /* Add it to the list */
11106 nreg
->nlportid
= info
->snd_portid
;
11107 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
11109 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11113 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11118 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11120 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11121 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11124 if (!rdev
->ops
->start_p2p_device
)
11125 return -EOPNOTSUPP
;
11127 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11128 return -EOPNOTSUPP
;
11130 if (wdev_running(wdev
))
11133 if (rfkill_blocked(rdev
->rfkill
))
11136 err
= rdev_start_p2p_device(rdev
, wdev
);
11140 wdev
->is_running
= true;
11146 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11148 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11149 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11151 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11152 return -EOPNOTSUPP
;
11154 if (!rdev
->ops
->stop_p2p_device
)
11155 return -EOPNOTSUPP
;
11157 cfg80211_stop_p2p_device(rdev
, wdev
);
11162 static int nl80211_start_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11164 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11165 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11166 struct cfg80211_nan_conf conf
= {};
11169 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11170 return -EOPNOTSUPP
;
11172 if (wdev_running(wdev
))
11175 if (rfkill_blocked(rdev
->rfkill
))
11178 if (!info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
])
11182 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11183 if (!conf
.master_pref
)
11186 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11187 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11189 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11190 return -EOPNOTSUPP
;
11192 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11195 conf
.bands
= bands
;
11198 err
= rdev_start_nan(rdev
, wdev
, &conf
);
11202 wdev
->is_running
= true;
11208 static int nl80211_stop_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11210 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11211 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11213 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11214 return -EOPNOTSUPP
;
11216 cfg80211_stop_nan(rdev
, wdev
);
11221 static int validate_nan_filter(struct nlattr
*filter_attr
)
11223 struct nlattr
*attr
;
11224 int len
= 0, n_entries
= 0, rem
;
11226 nla_for_each_nested(attr
, filter_attr
, rem
) {
11227 len
+= nla_len(attr
);
11237 static int handle_nan_filter(struct nlattr
*attr_filter
,
11238 struct cfg80211_nan_func
*func
,
11241 struct nlattr
*attr
;
11242 int n_entries
, rem
, i
;
11243 struct cfg80211_nan_func_filter
*filter
;
11245 n_entries
= validate_nan_filter(attr_filter
);
11249 BUILD_BUG_ON(sizeof(*func
->rx_filters
) != sizeof(*func
->tx_filters
));
11251 filter
= kcalloc(n_entries
, sizeof(*func
->rx_filters
), GFP_KERNEL
);
11256 nla_for_each_nested(attr
, attr_filter
, rem
) {
11257 filter
[i
].filter
= nla_memdup(attr
, GFP_KERNEL
);
11258 filter
[i
].len
= nla_len(attr
);
11262 func
->num_tx_filters
= n_entries
;
11263 func
->tx_filters
= filter
;
11265 func
->num_rx_filters
= n_entries
;
11266 func
->rx_filters
= filter
;
11272 static int nl80211_nan_add_func(struct sk_buff
*skb
,
11273 struct genl_info
*info
)
11275 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11276 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11277 struct nlattr
*tb
[NUM_NL80211_NAN_FUNC_ATTR
], *func_attr
;
11278 struct cfg80211_nan_func
*func
;
11279 struct sk_buff
*msg
= NULL
;
11283 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11284 return -EOPNOTSUPP
;
11286 if (!wdev_running(wdev
))
11289 if (!info
->attrs
[NL80211_ATTR_NAN_FUNC
])
11292 err
= nla_parse_nested(tb
, NL80211_NAN_FUNC_ATTR_MAX
,
11293 info
->attrs
[NL80211_ATTR_NAN_FUNC
],
11294 nl80211_nan_func_policy
, info
->extack
);
11298 func
= kzalloc(sizeof(*func
), GFP_KERNEL
);
11302 func
->cookie
= wdev
->wiphy
->cookie_counter
++;
11304 if (!tb
[NL80211_NAN_FUNC_TYPE
] ||
11305 nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]) > NL80211_NAN_FUNC_MAX_TYPE
) {
11311 func
->type
= nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]);
11313 if (!tb
[NL80211_NAN_FUNC_SERVICE_ID
]) {
11318 memcpy(func
->service_id
, nla_data(tb
[NL80211_NAN_FUNC_SERVICE_ID
]),
11319 sizeof(func
->service_id
));
11321 func
->close_range
=
11322 nla_get_flag(tb
[NL80211_NAN_FUNC_CLOSE_RANGE
]);
11324 if (tb
[NL80211_NAN_FUNC_SERVICE_INFO
]) {
11325 func
->serv_spec_info_len
=
11326 nla_len(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]);
11327 func
->serv_spec_info
=
11328 kmemdup(nla_data(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]),
11329 func
->serv_spec_info_len
,
11331 if (!func
->serv_spec_info
) {
11337 if (tb
[NL80211_NAN_FUNC_TTL
])
11338 func
->ttl
= nla_get_u32(tb
[NL80211_NAN_FUNC_TTL
]);
11340 switch (func
->type
) {
11341 case NL80211_NAN_FUNC_PUBLISH
:
11342 if (!tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]) {
11347 func
->publish_type
=
11348 nla_get_u8(tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]);
11349 func
->publish_bcast
=
11350 nla_get_flag(tb
[NL80211_NAN_FUNC_PUBLISH_BCAST
]);
11352 if ((!(func
->publish_type
& NL80211_NAN_SOLICITED_PUBLISH
)) &&
11353 func
->publish_bcast
) {
11358 case NL80211_NAN_FUNC_SUBSCRIBE
:
11359 func
->subscribe_active
=
11360 nla_get_flag(tb
[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
]);
11362 case NL80211_NAN_FUNC_FOLLOW_UP
:
11363 if (!tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
] ||
11364 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
] ||
11365 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]) {
11370 func
->followup_id
=
11371 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
]);
11372 func
->followup_reqid
=
11373 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]);
11374 memcpy(func
->followup_dest
.addr
,
11375 nla_data(tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]),
11376 sizeof(func
->followup_dest
.addr
));
11387 if (tb
[NL80211_NAN_FUNC_SRF
]) {
11388 struct nlattr
*srf_tb
[NUM_NL80211_NAN_SRF_ATTR
];
11390 err
= nla_parse_nested(srf_tb
, NL80211_NAN_SRF_ATTR_MAX
,
11391 tb
[NL80211_NAN_FUNC_SRF
],
11392 nl80211_nan_srf_policy
, info
->extack
);
11396 func
->srf_include
=
11397 nla_get_flag(srf_tb
[NL80211_NAN_SRF_INCLUDE
]);
11399 if (srf_tb
[NL80211_NAN_SRF_BF
]) {
11400 if (srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
] ||
11401 !srf_tb
[NL80211_NAN_SRF_BF_IDX
]) {
11407 nla_len(srf_tb
[NL80211_NAN_SRF_BF
]);
11409 kmemdup(nla_data(srf_tb
[NL80211_NAN_SRF_BF
]),
11410 func
->srf_bf_len
, GFP_KERNEL
);
11411 if (!func
->srf_bf
) {
11417 nla_get_u8(srf_tb
[NL80211_NAN_SRF_BF_IDX
]);
11419 struct nlattr
*attr
, *mac_attr
=
11420 srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
];
11421 int n_entries
, rem
, i
= 0;
11428 n_entries
= validate_acl_mac_addrs(mac_attr
);
11429 if (n_entries
<= 0) {
11434 func
->srf_num_macs
= n_entries
;
11436 kzalloc(sizeof(*func
->srf_macs
) * n_entries
,
11438 if (!func
->srf_macs
) {
11443 nla_for_each_nested(attr
, mac_attr
, rem
)
11444 memcpy(func
->srf_macs
[i
++].addr
, nla_data(attr
),
11445 sizeof(*func
->srf_macs
));
11449 if (tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
]) {
11450 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
],
11456 if (tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
]) {
11457 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
],
11463 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11469 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11470 NL80211_CMD_ADD_NAN_FUNCTION
);
11471 /* This can't really happen - we just allocated 4KB */
11472 if (WARN_ON(!hdr
)) {
11477 err
= rdev_add_nan_func(rdev
, wdev
, func
);
11480 cfg80211_free_nan_func(func
);
11485 /* propagate the instance id and cookie to userspace */
11486 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, func
->cookie
,
11488 goto nla_put_failure
;
11490 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11492 goto nla_put_failure
;
11494 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
,
11495 func
->instance_id
))
11496 goto nla_put_failure
;
11498 nla_nest_end(msg
, func_attr
);
11500 genlmsg_end(msg
, hdr
);
11501 return genlmsg_reply(msg
, info
);
11508 static int nl80211_nan_del_func(struct sk_buff
*skb
,
11509 struct genl_info
*info
)
11511 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11512 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11515 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11516 return -EOPNOTSUPP
;
11518 if (!wdev_running(wdev
))
11521 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
11524 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
11526 rdev_del_nan_func(rdev
, wdev
, cookie
);
11531 static int nl80211_nan_change_config(struct sk_buff
*skb
,
11532 struct genl_info
*info
)
11534 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11535 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11536 struct cfg80211_nan_conf conf
= {};
11539 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11540 return -EOPNOTSUPP
;
11542 if (!wdev_running(wdev
))
11545 if (info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]) {
11547 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11548 if (conf
.master_pref
<= 1 || conf
.master_pref
== 255)
11551 changed
|= CFG80211_NAN_CONF_CHANGED_PREF
;
11554 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11555 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11557 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11558 return -EOPNOTSUPP
;
11560 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11563 conf
.bands
= bands
;
11564 changed
|= CFG80211_NAN_CONF_CHANGED_BANDS
;
11570 return rdev_nan_change_conf(rdev
, wdev
, &conf
, changed
);
11573 void cfg80211_nan_match(struct wireless_dev
*wdev
,
11574 struct cfg80211_nan_match_params
*match
, gfp_t gfp
)
11576 struct wiphy
*wiphy
= wdev
->wiphy
;
11577 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11578 struct nlattr
*match_attr
, *local_func_attr
, *peer_func_attr
;
11579 struct sk_buff
*msg
;
11582 if (WARN_ON(!match
->inst_id
|| !match
->peer_inst_id
|| !match
->addr
))
11585 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11589 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NAN_MATCH
);
11595 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11596 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11597 wdev
->netdev
->ifindex
)) ||
11598 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11600 goto nla_put_failure
;
11602 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, match
->cookie
,
11603 NL80211_ATTR_PAD
) ||
11604 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, match
->addr
))
11605 goto nla_put_failure
;
11607 match_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_MATCH
);
11609 goto nla_put_failure
;
11611 local_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_LOCAL
);
11612 if (!local_func_attr
)
11613 goto nla_put_failure
;
11615 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->inst_id
))
11616 goto nla_put_failure
;
11618 nla_nest_end(msg
, local_func_attr
);
11620 peer_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_PEER
);
11621 if (!peer_func_attr
)
11622 goto nla_put_failure
;
11624 if (nla_put_u8(msg
, NL80211_NAN_FUNC_TYPE
, match
->type
) ||
11625 nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->peer_inst_id
))
11626 goto nla_put_failure
;
11628 if (match
->info
&& match
->info_len
&&
11629 nla_put(msg
, NL80211_NAN_FUNC_SERVICE_INFO
, match
->info_len
,
11631 goto nla_put_failure
;
11633 nla_nest_end(msg
, peer_func_attr
);
11634 nla_nest_end(msg
, match_attr
);
11635 genlmsg_end(msg
, hdr
);
11637 if (!wdev
->owner_nlportid
)
11638 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11639 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11641 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11642 wdev
->owner_nlportid
);
11649 EXPORT_SYMBOL(cfg80211_nan_match
);
11651 void cfg80211_nan_func_terminated(struct wireless_dev
*wdev
,
11653 enum nl80211_nan_func_term_reason reason
,
11654 u64 cookie
, gfp_t gfp
)
11656 struct wiphy
*wiphy
= wdev
->wiphy
;
11657 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11658 struct sk_buff
*msg
;
11659 struct nlattr
*func_attr
;
11662 if (WARN_ON(!inst_id
))
11665 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11669 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION
);
11675 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11676 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11677 wdev
->netdev
->ifindex
)) ||
11678 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11680 goto nla_put_failure
;
11682 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11684 goto nla_put_failure
;
11686 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11688 goto nla_put_failure
;
11690 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, inst_id
) ||
11691 nla_put_u8(msg
, NL80211_NAN_FUNC_TERM_REASON
, reason
))
11692 goto nla_put_failure
;
11694 nla_nest_end(msg
, func_attr
);
11695 genlmsg_end(msg
, hdr
);
11697 if (!wdev
->owner_nlportid
)
11698 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11699 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11701 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11702 wdev
->owner_nlportid
);
11709 EXPORT_SYMBOL(cfg80211_nan_func_terminated
);
11711 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
11712 struct genl_info
*info
)
11715 struct sk_buff
*msg
;
11717 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11721 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11722 NL80211_CMD_GET_PROTOCOL_FEATURES
);
11724 goto nla_put_failure
;
11726 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
11727 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
11728 goto nla_put_failure
;
11730 genlmsg_end(msg
, hdr
);
11731 return genlmsg_reply(msg
, info
);
11738 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
11740 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11741 struct cfg80211_update_ft_ies_params ft_params
;
11742 struct net_device
*dev
= info
->user_ptr
[1];
11744 if (!rdev
->ops
->update_ft_ies
)
11745 return -EOPNOTSUPP
;
11747 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
11748 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
11751 memset(&ft_params
, 0, sizeof(ft_params
));
11752 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
11753 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
11754 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
11756 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
11759 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
11760 struct genl_info
*info
)
11762 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11763 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11764 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
11768 if (!rdev
->ops
->crit_proto_start
)
11769 return -EOPNOTSUPP
;
11771 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
11774 if (rdev
->crit_proto_nlportid
)
11777 /* determine protocol if provided */
11778 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
11779 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
11781 if (proto
>= NUM_NL80211_CRIT_PROTO
)
11784 /* timeout must be provided */
11785 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
11789 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
11791 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
11794 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
11796 rdev
->crit_proto_nlportid
= info
->snd_portid
;
11801 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
11802 struct genl_info
*info
)
11804 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11805 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11807 if (!rdev
->ops
->crit_proto_stop
)
11808 return -EOPNOTSUPP
;
11810 if (rdev
->crit_proto_nlportid
) {
11811 rdev
->crit_proto_nlportid
= 0;
11812 rdev_crit_proto_stop(rdev
, wdev
);
11817 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
11819 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11820 struct wireless_dev
*wdev
=
11821 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
11825 if (!rdev
->wiphy
.vendor_commands
)
11826 return -EOPNOTSUPP
;
11828 if (IS_ERR(wdev
)) {
11829 err
= PTR_ERR(wdev
);
11830 if (err
!= -EINVAL
)
11833 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
11837 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
11838 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
11841 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
11842 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
11843 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
11844 const struct wiphy_vendor_command
*vcmd
;
11848 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
11850 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11853 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11854 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11857 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11861 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11862 if (!wdev_running(wdev
))
11867 return -EOPNOTSUPP
;
11872 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
11873 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11874 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11877 rdev
->cur_cmd_info
= info
;
11878 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
11880 rdev
->cur_cmd_info
= NULL
;
11884 return -EOPNOTSUPP
;
11887 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
11888 struct netlink_callback
*cb
,
11889 struct cfg80211_registered_device
**rdev
,
11890 struct wireless_dev
**wdev
)
11892 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
11898 unsigned int data_len
= 0;
11901 /* subtract the 1 again here */
11902 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
11903 struct wireless_dev
*tmp
;
11907 *rdev
= wiphy_to_rdev(wiphy
);
11911 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
11912 if (tmp
->identifier
== cb
->args
[1] - 1) {
11919 /* keep rtnl locked in successful case */
11923 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, attrbuf
,
11924 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
11928 if (!attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
11929 !attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
])
11932 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11936 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11938 return PTR_ERR(*rdev
);
11940 vid
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_ID
]);
11941 subcmd
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
11943 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
11944 const struct wiphy_vendor_command
*vcmd
;
11946 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
11948 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11952 return -EOPNOTSUPP
;
11959 return -EOPNOTSUPP
;
11961 if (attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
11962 data
= nla_data(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11963 data_len
= nla_len(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11966 /* 0 is the first index - add 1 to parse only once */
11967 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
11968 /* add 1 to know if it was NULL */
11969 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
11970 cb
->args
[2] = vcmd_idx
;
11971 cb
->args
[3] = (unsigned long)data
;
11972 cb
->args
[4] = data_len
;
11974 /* keep rtnl locked in successful case */
11978 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
11979 struct netlink_callback
*cb
)
11981 struct cfg80211_registered_device
*rdev
;
11982 struct wireless_dev
*wdev
;
11983 unsigned int vcmd_idx
;
11984 const struct wiphy_vendor_command
*vcmd
;
11988 struct nlattr
*vendor_data
;
11991 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
11995 vcmd_idx
= cb
->args
[2];
11996 data
= (void *)cb
->args
[3];
11997 data_len
= cb
->args
[4];
11998 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
12000 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
12001 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
12006 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
12012 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
12013 if (!wdev_running(wdev
)) {
12021 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
12022 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
12023 NL80211_CMD_VENDOR
);
12027 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12028 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
12030 NL80211_ATTR_PAD
))) {
12031 genlmsg_cancel(skb
, hdr
);
12035 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
12036 if (!vendor_data
) {
12037 genlmsg_cancel(skb
, hdr
);
12041 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
12042 (unsigned long *)&cb
->args
[5]);
12043 nla_nest_end(skb
, vendor_data
);
12045 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
12046 genlmsg_cancel(skb
, hdr
);
12049 genlmsg_cancel(skb
, hdr
);
12053 genlmsg_end(skb
, hdr
);
12062 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
12063 enum nl80211_commands cmd
,
12064 enum nl80211_attrs attr
,
12067 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12069 if (WARN_ON(!rdev
->cur_cmd_info
))
12072 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
12073 rdev
->cur_cmd_info
->snd_portid
,
12074 rdev
->cur_cmd_info
->snd_seq
,
12075 cmd
, attr
, NULL
, GFP_KERNEL
);
12077 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
12079 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
12081 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
12082 void *hdr
= ((void **)skb
->cb
)[1];
12083 struct nlattr
*data
= ((void **)skb
->cb
)[2];
12085 /* clear CB data for netlink core to own from now on */
12086 memset(skb
->cb
, 0, sizeof(skb
->cb
));
12088 if (WARN_ON(!rdev
->cur_cmd_info
)) {
12093 nla_nest_end(skb
, data
);
12094 genlmsg_end(skb
, hdr
);
12095 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
12097 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
12099 static int nl80211_set_qos_map(struct sk_buff
*skb
,
12100 struct genl_info
*info
)
12102 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12103 struct cfg80211_qos_map
*qos_map
= NULL
;
12104 struct net_device
*dev
= info
->user_ptr
[1];
12105 u8
*pos
, len
, num_des
, des_len
, des
;
12108 if (!rdev
->ops
->set_qos_map
)
12109 return -EOPNOTSUPP
;
12111 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
12112 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12113 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12115 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
12116 len
> IEEE80211_QOS_MAP_LEN_MAX
)
12119 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
12123 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
12125 des_len
= num_des
*
12126 sizeof(struct cfg80211_dscp_exception
);
12127 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
12128 qos_map
->num_des
= num_des
;
12129 for (des
= 0; des
< num_des
; des
++) {
12130 if (qos_map
->dscp_exception
[des
].up
> 7) {
12137 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
12140 wdev_lock(dev
->ieee80211_ptr
);
12141 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
12143 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
12144 wdev_unlock(dev
->ieee80211_ptr
);
12150 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12152 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12153 struct net_device
*dev
= info
->user_ptr
[1];
12154 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12157 u16 admitted_time
= 0;
12160 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
12161 return -EOPNOTSUPP
;
12163 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
12164 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
12167 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12168 if (tsid
>= IEEE80211_NUM_TIDS
)
12171 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
12172 if (up
>= IEEE80211_NUM_UPS
)
12175 /* WMM uses TIDs 0-7 even for TSPEC */
12176 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
12177 /* TODO: handle 802.11 TSPEC/admission control
12178 * need more attributes for that (e.g. BA session requirement);
12179 * change the WMM adminssion test above to allow both then
12184 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12186 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
12188 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
12189 if (!admitted_time
)
12194 switch (wdev
->iftype
) {
12195 case NL80211_IFTYPE_STATION
:
12196 case NL80211_IFTYPE_P2P_CLIENT
:
12197 if (wdev
->current_bss
)
12206 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
12213 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12215 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12216 struct net_device
*dev
= info
->user_ptr
[1];
12217 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12222 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
12225 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12226 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12229 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
12235 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
12236 struct genl_info
*info
)
12238 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12239 struct net_device
*dev
= info
->user_ptr
[1];
12240 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12241 struct cfg80211_chan_def chandef
= {};
12246 if (!rdev
->ops
->tdls_channel_switch
||
12247 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12248 return -EOPNOTSUPP
;
12250 switch (dev
->ieee80211_ptr
->iftype
) {
12251 case NL80211_IFTYPE_STATION
:
12252 case NL80211_IFTYPE_P2P_CLIENT
:
12255 return -EOPNOTSUPP
;
12258 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
12259 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
12262 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
12267 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
12268 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
12269 * specification is not defined for them.
12271 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
12272 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
12273 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
12276 /* we will be active on the TDLS link */
12277 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
12281 /* don't allow switching to DFS channels */
12282 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
12285 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12286 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
12289 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
12295 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
12296 struct genl_info
*info
)
12298 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12299 struct net_device
*dev
= info
->user_ptr
[1];
12300 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12303 if (!rdev
->ops
->tdls_channel_switch
||
12304 !rdev
->ops
->tdls_cancel_channel_switch
||
12305 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12306 return -EOPNOTSUPP
;
12308 switch (dev
->ieee80211_ptr
->iftype
) {
12309 case NL80211_IFTYPE_STATION
:
12310 case NL80211_IFTYPE_P2P_CLIENT
:
12313 return -EOPNOTSUPP
;
12316 if (!info
->attrs
[NL80211_ATTR_MAC
])
12319 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12322 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
12328 static int nl80211_set_multicast_to_unicast(struct sk_buff
*skb
,
12329 struct genl_info
*info
)
12331 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12332 struct net_device
*dev
= info
->user_ptr
[1];
12333 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12334 const struct nlattr
*nla
;
12337 if (!rdev
->ops
->set_multicast_to_unicast
)
12338 return -EOPNOTSUPP
;
12340 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12341 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
12342 return -EOPNOTSUPP
;
12344 nla
= info
->attrs
[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
];
12345 enabled
= nla_get_flag(nla
);
12347 return rdev_set_multicast_to_unicast(rdev
, dev
, enabled
);
12350 static int nl80211_set_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12352 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12353 struct net_device
*dev
= info
->user_ptr
[1];
12354 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12355 struct cfg80211_pmk_conf pmk_conf
= {};
12358 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12359 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12360 return -EOPNOTSUPP
;
12362 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12363 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12364 return -EOPNOTSUPP
;
12366 if (!info
->attrs
[NL80211_ATTR_MAC
] || !info
->attrs
[NL80211_ATTR_PMK
])
12370 if (!wdev
->current_bss
) {
12375 pmk_conf
.aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12376 if (memcmp(pmk_conf
.aa
, wdev
->current_bss
->pub
.bssid
, ETH_ALEN
)) {
12381 pmk_conf
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
12382 pmk_conf
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
12383 if (pmk_conf
.pmk_len
!= WLAN_PMK_LEN
&&
12384 pmk_conf
.pmk_len
!= WLAN_PMK_LEN_SUITE_B_192
) {
12389 if (info
->attrs
[NL80211_ATTR_PMKR0_NAME
]) {
12390 int r0_name_len
= nla_len(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12392 if (r0_name_len
!= WLAN_PMK_NAME_LEN
) {
12397 pmk_conf
.pmk_r0_name
=
12398 nla_data(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12401 ret
= rdev_set_pmk(rdev
, dev
, &pmk_conf
);
12407 static int nl80211_del_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12409 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12410 struct net_device
*dev
= info
->user_ptr
[1];
12411 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12415 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12416 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12417 return -EOPNOTSUPP
;
12419 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12420 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12421 return -EOPNOTSUPP
;
12423 if (!info
->attrs
[NL80211_ATTR_MAC
])
12427 aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12428 ret
= rdev_del_pmk(rdev
, dev
, aa
);
12434 #define NL80211_FLAG_NEED_WIPHY 0x01
12435 #define NL80211_FLAG_NEED_NETDEV 0x02
12436 #define NL80211_FLAG_NEED_RTNL 0x04
12437 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
12438 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
12439 NL80211_FLAG_CHECK_NETDEV_UP)
12440 #define NL80211_FLAG_NEED_WDEV 0x10
12441 /* If a netdev is associated, it must be UP, P2P must be started */
12442 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
12443 NL80211_FLAG_CHECK_NETDEV_UP)
12444 #define NL80211_FLAG_CLEAR_SKB 0x20
12446 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12447 struct genl_info
*info
)
12449 struct cfg80211_registered_device
*rdev
;
12450 struct wireless_dev
*wdev
;
12451 struct net_device
*dev
;
12452 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
12457 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
12458 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
12459 if (IS_ERR(rdev
)) {
12462 return PTR_ERR(rdev
);
12464 info
->user_ptr
[0] = rdev
;
12465 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
12466 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12469 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
12471 if (IS_ERR(wdev
)) {
12474 return PTR_ERR(wdev
);
12477 dev
= wdev
->netdev
;
12478 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12480 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
12487 info
->user_ptr
[1] = dev
;
12489 info
->user_ptr
[1] = wdev
;
12492 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
12493 !wdev_running(wdev
)) {
12502 info
->user_ptr
[0] = rdev
;
12508 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12509 struct genl_info
*info
)
12511 if (info
->user_ptr
[1]) {
12512 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12513 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12516 dev_put(wdev
->netdev
);
12518 dev_put(info
->user_ptr
[1]);
12522 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
12525 /* If needed, clear the netlink message payload from the SKB
12526 * as it might contain key data that shouldn't stick around on
12527 * the heap after the SKB is freed. The netlink message header
12528 * is still needed for further processing, so leave it intact.
12530 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
12531 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
12533 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
12537 static const struct genl_ops nl80211_ops
[] = {
12539 .cmd
= NL80211_CMD_GET_WIPHY
,
12540 .doit
= nl80211_get_wiphy
,
12541 .dumpit
= nl80211_dump_wiphy
,
12542 .done
= nl80211_dump_wiphy_done
,
12543 .policy
= nl80211_policy
,
12544 /* can be retrieved by unprivileged users */
12545 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12546 NL80211_FLAG_NEED_RTNL
,
12549 .cmd
= NL80211_CMD_SET_WIPHY
,
12550 .doit
= nl80211_set_wiphy
,
12551 .policy
= nl80211_policy
,
12552 .flags
= GENL_UNS_ADMIN_PERM
,
12553 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12556 .cmd
= NL80211_CMD_GET_INTERFACE
,
12557 .doit
= nl80211_get_interface
,
12558 .dumpit
= nl80211_dump_interface
,
12559 .policy
= nl80211_policy
,
12560 /* can be retrieved by unprivileged users */
12561 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12562 NL80211_FLAG_NEED_RTNL
,
12565 .cmd
= NL80211_CMD_SET_INTERFACE
,
12566 .doit
= nl80211_set_interface
,
12567 .policy
= nl80211_policy
,
12568 .flags
= GENL_UNS_ADMIN_PERM
,
12569 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12570 NL80211_FLAG_NEED_RTNL
,
12573 .cmd
= NL80211_CMD_NEW_INTERFACE
,
12574 .doit
= nl80211_new_interface
,
12575 .policy
= nl80211_policy
,
12576 .flags
= GENL_UNS_ADMIN_PERM
,
12577 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12578 NL80211_FLAG_NEED_RTNL
,
12581 .cmd
= NL80211_CMD_DEL_INTERFACE
,
12582 .doit
= nl80211_del_interface
,
12583 .policy
= nl80211_policy
,
12584 .flags
= GENL_UNS_ADMIN_PERM
,
12585 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12586 NL80211_FLAG_NEED_RTNL
,
12589 .cmd
= NL80211_CMD_GET_KEY
,
12590 .doit
= nl80211_get_key
,
12591 .policy
= nl80211_policy
,
12592 .flags
= GENL_UNS_ADMIN_PERM
,
12593 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12594 NL80211_FLAG_NEED_RTNL
,
12597 .cmd
= NL80211_CMD_SET_KEY
,
12598 .doit
= nl80211_set_key
,
12599 .policy
= nl80211_policy
,
12600 .flags
= GENL_UNS_ADMIN_PERM
,
12601 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12602 NL80211_FLAG_NEED_RTNL
|
12603 NL80211_FLAG_CLEAR_SKB
,
12606 .cmd
= NL80211_CMD_NEW_KEY
,
12607 .doit
= nl80211_new_key
,
12608 .policy
= nl80211_policy
,
12609 .flags
= GENL_UNS_ADMIN_PERM
,
12610 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12611 NL80211_FLAG_NEED_RTNL
|
12612 NL80211_FLAG_CLEAR_SKB
,
12615 .cmd
= NL80211_CMD_DEL_KEY
,
12616 .doit
= nl80211_del_key
,
12617 .policy
= nl80211_policy
,
12618 .flags
= GENL_UNS_ADMIN_PERM
,
12619 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12620 NL80211_FLAG_NEED_RTNL
,
12623 .cmd
= NL80211_CMD_SET_BEACON
,
12624 .policy
= nl80211_policy
,
12625 .flags
= GENL_UNS_ADMIN_PERM
,
12626 .doit
= nl80211_set_beacon
,
12627 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12628 NL80211_FLAG_NEED_RTNL
,
12631 .cmd
= NL80211_CMD_START_AP
,
12632 .policy
= nl80211_policy
,
12633 .flags
= GENL_UNS_ADMIN_PERM
,
12634 .doit
= nl80211_start_ap
,
12635 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12636 NL80211_FLAG_NEED_RTNL
,
12639 .cmd
= NL80211_CMD_STOP_AP
,
12640 .policy
= nl80211_policy
,
12641 .flags
= GENL_UNS_ADMIN_PERM
,
12642 .doit
= nl80211_stop_ap
,
12643 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12644 NL80211_FLAG_NEED_RTNL
,
12647 .cmd
= NL80211_CMD_GET_STATION
,
12648 .doit
= nl80211_get_station
,
12649 .dumpit
= nl80211_dump_station
,
12650 .policy
= nl80211_policy
,
12651 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12652 NL80211_FLAG_NEED_RTNL
,
12655 .cmd
= NL80211_CMD_SET_STATION
,
12656 .doit
= nl80211_set_station
,
12657 .policy
= nl80211_policy
,
12658 .flags
= GENL_UNS_ADMIN_PERM
,
12659 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12660 NL80211_FLAG_NEED_RTNL
,
12663 .cmd
= NL80211_CMD_NEW_STATION
,
12664 .doit
= nl80211_new_station
,
12665 .policy
= nl80211_policy
,
12666 .flags
= GENL_UNS_ADMIN_PERM
,
12667 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12668 NL80211_FLAG_NEED_RTNL
,
12671 .cmd
= NL80211_CMD_DEL_STATION
,
12672 .doit
= nl80211_del_station
,
12673 .policy
= nl80211_policy
,
12674 .flags
= GENL_UNS_ADMIN_PERM
,
12675 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12676 NL80211_FLAG_NEED_RTNL
,
12679 .cmd
= NL80211_CMD_GET_MPATH
,
12680 .doit
= nl80211_get_mpath
,
12681 .dumpit
= nl80211_dump_mpath
,
12682 .policy
= nl80211_policy
,
12683 .flags
= GENL_UNS_ADMIN_PERM
,
12684 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12685 NL80211_FLAG_NEED_RTNL
,
12688 .cmd
= NL80211_CMD_GET_MPP
,
12689 .doit
= nl80211_get_mpp
,
12690 .dumpit
= nl80211_dump_mpp
,
12691 .policy
= nl80211_policy
,
12692 .flags
= GENL_UNS_ADMIN_PERM
,
12693 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12694 NL80211_FLAG_NEED_RTNL
,
12697 .cmd
= NL80211_CMD_SET_MPATH
,
12698 .doit
= nl80211_set_mpath
,
12699 .policy
= nl80211_policy
,
12700 .flags
= GENL_UNS_ADMIN_PERM
,
12701 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12702 NL80211_FLAG_NEED_RTNL
,
12705 .cmd
= NL80211_CMD_NEW_MPATH
,
12706 .doit
= nl80211_new_mpath
,
12707 .policy
= nl80211_policy
,
12708 .flags
= GENL_UNS_ADMIN_PERM
,
12709 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12710 NL80211_FLAG_NEED_RTNL
,
12713 .cmd
= NL80211_CMD_DEL_MPATH
,
12714 .doit
= nl80211_del_mpath
,
12715 .policy
= nl80211_policy
,
12716 .flags
= GENL_UNS_ADMIN_PERM
,
12717 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12718 NL80211_FLAG_NEED_RTNL
,
12721 .cmd
= NL80211_CMD_SET_BSS
,
12722 .doit
= nl80211_set_bss
,
12723 .policy
= nl80211_policy
,
12724 .flags
= GENL_UNS_ADMIN_PERM
,
12725 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12726 NL80211_FLAG_NEED_RTNL
,
12729 .cmd
= NL80211_CMD_GET_REG
,
12730 .doit
= nl80211_get_reg_do
,
12731 .dumpit
= nl80211_get_reg_dump
,
12732 .policy
= nl80211_policy
,
12733 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12734 /* can be retrieved by unprivileged users */
12736 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12738 .cmd
= NL80211_CMD_SET_REG
,
12739 .doit
= nl80211_set_reg
,
12740 .policy
= nl80211_policy
,
12741 .flags
= GENL_ADMIN_PERM
,
12742 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12746 .cmd
= NL80211_CMD_REQ_SET_REG
,
12747 .doit
= nl80211_req_set_reg
,
12748 .policy
= nl80211_policy
,
12749 .flags
= GENL_ADMIN_PERM
,
12752 .cmd
= NL80211_CMD_RELOAD_REGDB
,
12753 .doit
= nl80211_reload_regdb
,
12754 .policy
= nl80211_policy
,
12755 .flags
= GENL_ADMIN_PERM
,
12758 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
12759 .doit
= nl80211_get_mesh_config
,
12760 .policy
= nl80211_policy
,
12761 /* can be retrieved by unprivileged users */
12762 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12763 NL80211_FLAG_NEED_RTNL
,
12766 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
12767 .doit
= nl80211_update_mesh_config
,
12768 .policy
= nl80211_policy
,
12769 .flags
= GENL_UNS_ADMIN_PERM
,
12770 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12771 NL80211_FLAG_NEED_RTNL
,
12774 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
12775 .doit
= nl80211_trigger_scan
,
12776 .policy
= nl80211_policy
,
12777 .flags
= GENL_UNS_ADMIN_PERM
,
12778 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12779 NL80211_FLAG_NEED_RTNL
,
12782 .cmd
= NL80211_CMD_ABORT_SCAN
,
12783 .doit
= nl80211_abort_scan
,
12784 .policy
= nl80211_policy
,
12785 .flags
= GENL_UNS_ADMIN_PERM
,
12786 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12787 NL80211_FLAG_NEED_RTNL
,
12790 .cmd
= NL80211_CMD_GET_SCAN
,
12791 .policy
= nl80211_policy
,
12792 .dumpit
= nl80211_dump_scan
,
12795 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
12796 .doit
= nl80211_start_sched_scan
,
12797 .policy
= nl80211_policy
,
12798 .flags
= GENL_UNS_ADMIN_PERM
,
12799 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12800 NL80211_FLAG_NEED_RTNL
,
12803 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
12804 .doit
= nl80211_stop_sched_scan
,
12805 .policy
= nl80211_policy
,
12806 .flags
= GENL_UNS_ADMIN_PERM
,
12807 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12808 NL80211_FLAG_NEED_RTNL
,
12811 .cmd
= NL80211_CMD_AUTHENTICATE
,
12812 .doit
= nl80211_authenticate
,
12813 .policy
= nl80211_policy
,
12814 .flags
= GENL_UNS_ADMIN_PERM
,
12815 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12816 NL80211_FLAG_NEED_RTNL
|
12817 NL80211_FLAG_CLEAR_SKB
,
12820 .cmd
= NL80211_CMD_ASSOCIATE
,
12821 .doit
= nl80211_associate
,
12822 .policy
= nl80211_policy
,
12823 .flags
= GENL_UNS_ADMIN_PERM
,
12824 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12825 NL80211_FLAG_NEED_RTNL
,
12828 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
12829 .doit
= nl80211_deauthenticate
,
12830 .policy
= nl80211_policy
,
12831 .flags
= GENL_UNS_ADMIN_PERM
,
12832 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12833 NL80211_FLAG_NEED_RTNL
,
12836 .cmd
= NL80211_CMD_DISASSOCIATE
,
12837 .doit
= nl80211_disassociate
,
12838 .policy
= nl80211_policy
,
12839 .flags
= GENL_UNS_ADMIN_PERM
,
12840 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12841 NL80211_FLAG_NEED_RTNL
,
12844 .cmd
= NL80211_CMD_JOIN_IBSS
,
12845 .doit
= nl80211_join_ibss
,
12846 .policy
= nl80211_policy
,
12847 .flags
= GENL_UNS_ADMIN_PERM
,
12848 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12849 NL80211_FLAG_NEED_RTNL
,
12852 .cmd
= NL80211_CMD_LEAVE_IBSS
,
12853 .doit
= nl80211_leave_ibss
,
12854 .policy
= nl80211_policy
,
12855 .flags
= GENL_UNS_ADMIN_PERM
,
12856 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12857 NL80211_FLAG_NEED_RTNL
,
12859 #ifdef CONFIG_NL80211_TESTMODE
12861 .cmd
= NL80211_CMD_TESTMODE
,
12862 .doit
= nl80211_testmode_do
,
12863 .dumpit
= nl80211_testmode_dump
,
12864 .policy
= nl80211_policy
,
12865 .flags
= GENL_UNS_ADMIN_PERM
,
12866 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12867 NL80211_FLAG_NEED_RTNL
,
12871 .cmd
= NL80211_CMD_CONNECT
,
12872 .doit
= nl80211_connect
,
12873 .policy
= nl80211_policy
,
12874 .flags
= GENL_UNS_ADMIN_PERM
,
12875 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12876 NL80211_FLAG_NEED_RTNL
,
12879 .cmd
= NL80211_CMD_UPDATE_CONNECT_PARAMS
,
12880 .doit
= nl80211_update_connect_params
,
12881 .policy
= nl80211_policy
,
12882 .flags
= GENL_ADMIN_PERM
,
12883 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12884 NL80211_FLAG_NEED_RTNL
,
12887 .cmd
= NL80211_CMD_DISCONNECT
,
12888 .doit
= nl80211_disconnect
,
12889 .policy
= nl80211_policy
,
12890 .flags
= GENL_UNS_ADMIN_PERM
,
12891 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12892 NL80211_FLAG_NEED_RTNL
,
12895 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
12896 .doit
= nl80211_wiphy_netns
,
12897 .policy
= nl80211_policy
,
12898 .flags
= GENL_UNS_ADMIN_PERM
,
12899 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12900 NL80211_FLAG_NEED_RTNL
,
12903 .cmd
= NL80211_CMD_GET_SURVEY
,
12904 .policy
= nl80211_policy
,
12905 .dumpit
= nl80211_dump_survey
,
12908 .cmd
= NL80211_CMD_SET_PMKSA
,
12909 .doit
= nl80211_setdel_pmksa
,
12910 .policy
= nl80211_policy
,
12911 .flags
= GENL_UNS_ADMIN_PERM
,
12912 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12913 NL80211_FLAG_NEED_RTNL
,
12916 .cmd
= NL80211_CMD_DEL_PMKSA
,
12917 .doit
= nl80211_setdel_pmksa
,
12918 .policy
= nl80211_policy
,
12919 .flags
= GENL_UNS_ADMIN_PERM
,
12920 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12921 NL80211_FLAG_NEED_RTNL
,
12924 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
12925 .doit
= nl80211_flush_pmksa
,
12926 .policy
= nl80211_policy
,
12927 .flags
= GENL_UNS_ADMIN_PERM
,
12928 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12929 NL80211_FLAG_NEED_RTNL
,
12932 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
12933 .doit
= nl80211_remain_on_channel
,
12934 .policy
= nl80211_policy
,
12935 .flags
= GENL_UNS_ADMIN_PERM
,
12936 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12937 NL80211_FLAG_NEED_RTNL
,
12940 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12941 .doit
= nl80211_cancel_remain_on_channel
,
12942 .policy
= nl80211_policy
,
12943 .flags
= GENL_UNS_ADMIN_PERM
,
12944 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12945 NL80211_FLAG_NEED_RTNL
,
12948 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
12949 .doit
= nl80211_set_tx_bitrate_mask
,
12950 .policy
= nl80211_policy
,
12951 .flags
= GENL_UNS_ADMIN_PERM
,
12952 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12953 NL80211_FLAG_NEED_RTNL
,
12956 .cmd
= NL80211_CMD_REGISTER_FRAME
,
12957 .doit
= nl80211_register_mgmt
,
12958 .policy
= nl80211_policy
,
12959 .flags
= GENL_UNS_ADMIN_PERM
,
12960 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12961 NL80211_FLAG_NEED_RTNL
,
12964 .cmd
= NL80211_CMD_FRAME
,
12965 .doit
= nl80211_tx_mgmt
,
12966 .policy
= nl80211_policy
,
12967 .flags
= GENL_UNS_ADMIN_PERM
,
12968 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12969 NL80211_FLAG_NEED_RTNL
,
12972 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
12973 .doit
= nl80211_tx_mgmt_cancel_wait
,
12974 .policy
= nl80211_policy
,
12975 .flags
= GENL_UNS_ADMIN_PERM
,
12976 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12977 NL80211_FLAG_NEED_RTNL
,
12980 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
12981 .doit
= nl80211_set_power_save
,
12982 .policy
= nl80211_policy
,
12983 .flags
= GENL_UNS_ADMIN_PERM
,
12984 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12985 NL80211_FLAG_NEED_RTNL
,
12988 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
12989 .doit
= nl80211_get_power_save
,
12990 .policy
= nl80211_policy
,
12991 /* can be retrieved by unprivileged users */
12992 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12993 NL80211_FLAG_NEED_RTNL
,
12996 .cmd
= NL80211_CMD_SET_CQM
,
12997 .doit
= nl80211_set_cqm
,
12998 .policy
= nl80211_policy
,
12999 .flags
= GENL_UNS_ADMIN_PERM
,
13000 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13001 NL80211_FLAG_NEED_RTNL
,
13004 .cmd
= NL80211_CMD_SET_CHANNEL
,
13005 .doit
= nl80211_set_channel
,
13006 .policy
= nl80211_policy
,
13007 .flags
= GENL_UNS_ADMIN_PERM
,
13008 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13009 NL80211_FLAG_NEED_RTNL
,
13012 .cmd
= NL80211_CMD_SET_WDS_PEER
,
13013 .doit
= nl80211_set_wds_peer
,
13014 .policy
= nl80211_policy
,
13015 .flags
= GENL_UNS_ADMIN_PERM
,
13016 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13017 NL80211_FLAG_NEED_RTNL
,
13020 .cmd
= NL80211_CMD_JOIN_MESH
,
13021 .doit
= nl80211_join_mesh
,
13022 .policy
= nl80211_policy
,
13023 .flags
= GENL_UNS_ADMIN_PERM
,
13024 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13025 NL80211_FLAG_NEED_RTNL
,
13028 .cmd
= NL80211_CMD_LEAVE_MESH
,
13029 .doit
= nl80211_leave_mesh
,
13030 .policy
= nl80211_policy
,
13031 .flags
= GENL_UNS_ADMIN_PERM
,
13032 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13033 NL80211_FLAG_NEED_RTNL
,
13036 .cmd
= NL80211_CMD_JOIN_OCB
,
13037 .doit
= nl80211_join_ocb
,
13038 .policy
= nl80211_policy
,
13039 .flags
= GENL_UNS_ADMIN_PERM
,
13040 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13041 NL80211_FLAG_NEED_RTNL
,
13044 .cmd
= NL80211_CMD_LEAVE_OCB
,
13045 .doit
= nl80211_leave_ocb
,
13046 .policy
= nl80211_policy
,
13047 .flags
= GENL_UNS_ADMIN_PERM
,
13048 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13049 NL80211_FLAG_NEED_RTNL
,
13053 .cmd
= NL80211_CMD_GET_WOWLAN
,
13054 .doit
= nl80211_get_wowlan
,
13055 .policy
= nl80211_policy
,
13056 /* can be retrieved by unprivileged users */
13057 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13058 NL80211_FLAG_NEED_RTNL
,
13061 .cmd
= NL80211_CMD_SET_WOWLAN
,
13062 .doit
= nl80211_set_wowlan
,
13063 .policy
= nl80211_policy
,
13064 .flags
= GENL_UNS_ADMIN_PERM
,
13065 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13066 NL80211_FLAG_NEED_RTNL
,
13070 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
13071 .doit
= nl80211_set_rekey_data
,
13072 .policy
= nl80211_policy
,
13073 .flags
= GENL_UNS_ADMIN_PERM
,
13074 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13075 NL80211_FLAG_NEED_RTNL
|
13076 NL80211_FLAG_CLEAR_SKB
,
13079 .cmd
= NL80211_CMD_TDLS_MGMT
,
13080 .doit
= nl80211_tdls_mgmt
,
13081 .policy
= nl80211_policy
,
13082 .flags
= GENL_UNS_ADMIN_PERM
,
13083 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13084 NL80211_FLAG_NEED_RTNL
,
13087 .cmd
= NL80211_CMD_TDLS_OPER
,
13088 .doit
= nl80211_tdls_oper
,
13089 .policy
= nl80211_policy
,
13090 .flags
= GENL_UNS_ADMIN_PERM
,
13091 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13092 NL80211_FLAG_NEED_RTNL
,
13095 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
13096 .doit
= nl80211_register_unexpected_frame
,
13097 .policy
= nl80211_policy
,
13098 .flags
= GENL_UNS_ADMIN_PERM
,
13099 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13100 NL80211_FLAG_NEED_RTNL
,
13103 .cmd
= NL80211_CMD_PROBE_CLIENT
,
13104 .doit
= nl80211_probe_client
,
13105 .policy
= nl80211_policy
,
13106 .flags
= GENL_UNS_ADMIN_PERM
,
13107 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13108 NL80211_FLAG_NEED_RTNL
,
13111 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
13112 .doit
= nl80211_register_beacons
,
13113 .policy
= nl80211_policy
,
13114 .flags
= GENL_UNS_ADMIN_PERM
,
13115 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13116 NL80211_FLAG_NEED_RTNL
,
13119 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
13120 .doit
= nl80211_set_noack_map
,
13121 .policy
= nl80211_policy
,
13122 .flags
= GENL_UNS_ADMIN_PERM
,
13123 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13124 NL80211_FLAG_NEED_RTNL
,
13127 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
13128 .doit
= nl80211_start_p2p_device
,
13129 .policy
= nl80211_policy
,
13130 .flags
= GENL_UNS_ADMIN_PERM
,
13131 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13132 NL80211_FLAG_NEED_RTNL
,
13135 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
13136 .doit
= nl80211_stop_p2p_device
,
13137 .policy
= nl80211_policy
,
13138 .flags
= GENL_UNS_ADMIN_PERM
,
13139 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13140 NL80211_FLAG_NEED_RTNL
,
13143 .cmd
= NL80211_CMD_START_NAN
,
13144 .doit
= nl80211_start_nan
,
13145 .policy
= nl80211_policy
,
13146 .flags
= GENL_ADMIN_PERM
,
13147 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13148 NL80211_FLAG_NEED_RTNL
,
13151 .cmd
= NL80211_CMD_STOP_NAN
,
13152 .doit
= nl80211_stop_nan
,
13153 .policy
= nl80211_policy
,
13154 .flags
= GENL_ADMIN_PERM
,
13155 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13156 NL80211_FLAG_NEED_RTNL
,
13159 .cmd
= NL80211_CMD_ADD_NAN_FUNCTION
,
13160 .doit
= nl80211_nan_add_func
,
13161 .policy
= nl80211_policy
,
13162 .flags
= GENL_ADMIN_PERM
,
13163 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13164 NL80211_FLAG_NEED_RTNL
,
13167 .cmd
= NL80211_CMD_DEL_NAN_FUNCTION
,
13168 .doit
= nl80211_nan_del_func
,
13169 .policy
= nl80211_policy
,
13170 .flags
= GENL_ADMIN_PERM
,
13171 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13172 NL80211_FLAG_NEED_RTNL
,
13175 .cmd
= NL80211_CMD_CHANGE_NAN_CONFIG
,
13176 .doit
= nl80211_nan_change_config
,
13177 .policy
= nl80211_policy
,
13178 .flags
= GENL_ADMIN_PERM
,
13179 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13180 NL80211_FLAG_NEED_RTNL
,
13183 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
13184 .doit
= nl80211_set_mcast_rate
,
13185 .policy
= nl80211_policy
,
13186 .flags
= GENL_UNS_ADMIN_PERM
,
13187 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13188 NL80211_FLAG_NEED_RTNL
,
13191 .cmd
= NL80211_CMD_SET_MAC_ACL
,
13192 .doit
= nl80211_set_mac_acl
,
13193 .policy
= nl80211_policy
,
13194 .flags
= GENL_UNS_ADMIN_PERM
,
13195 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13196 NL80211_FLAG_NEED_RTNL
,
13199 .cmd
= NL80211_CMD_RADAR_DETECT
,
13200 .doit
= nl80211_start_radar_detection
,
13201 .policy
= nl80211_policy
,
13202 .flags
= GENL_UNS_ADMIN_PERM
,
13203 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13204 NL80211_FLAG_NEED_RTNL
,
13207 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
13208 .doit
= nl80211_get_protocol_features
,
13209 .policy
= nl80211_policy
,
13212 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
13213 .doit
= nl80211_update_ft_ies
,
13214 .policy
= nl80211_policy
,
13215 .flags
= GENL_UNS_ADMIN_PERM
,
13216 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13217 NL80211_FLAG_NEED_RTNL
,
13220 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
13221 .doit
= nl80211_crit_protocol_start
,
13222 .policy
= nl80211_policy
,
13223 .flags
= GENL_UNS_ADMIN_PERM
,
13224 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13225 NL80211_FLAG_NEED_RTNL
,
13228 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
13229 .doit
= nl80211_crit_protocol_stop
,
13230 .policy
= nl80211_policy
,
13231 .flags
= GENL_UNS_ADMIN_PERM
,
13232 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13233 NL80211_FLAG_NEED_RTNL
,
13236 .cmd
= NL80211_CMD_GET_COALESCE
,
13237 .doit
= nl80211_get_coalesce
,
13238 .policy
= nl80211_policy
,
13239 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13240 NL80211_FLAG_NEED_RTNL
,
13243 .cmd
= NL80211_CMD_SET_COALESCE
,
13244 .doit
= nl80211_set_coalesce
,
13245 .policy
= nl80211_policy
,
13246 .flags
= GENL_UNS_ADMIN_PERM
,
13247 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13248 NL80211_FLAG_NEED_RTNL
,
13251 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
13252 .doit
= nl80211_channel_switch
,
13253 .policy
= nl80211_policy
,
13254 .flags
= GENL_UNS_ADMIN_PERM
,
13255 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13256 NL80211_FLAG_NEED_RTNL
,
13259 .cmd
= NL80211_CMD_VENDOR
,
13260 .doit
= nl80211_vendor_cmd
,
13261 .dumpit
= nl80211_vendor_cmd_dump
,
13262 .policy
= nl80211_policy
,
13263 .flags
= GENL_UNS_ADMIN_PERM
,
13264 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13265 NL80211_FLAG_NEED_RTNL
,
13268 .cmd
= NL80211_CMD_SET_QOS_MAP
,
13269 .doit
= nl80211_set_qos_map
,
13270 .policy
= nl80211_policy
,
13271 .flags
= GENL_UNS_ADMIN_PERM
,
13272 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13273 NL80211_FLAG_NEED_RTNL
,
13276 .cmd
= NL80211_CMD_ADD_TX_TS
,
13277 .doit
= nl80211_add_tx_ts
,
13278 .policy
= nl80211_policy
,
13279 .flags
= GENL_UNS_ADMIN_PERM
,
13280 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13281 NL80211_FLAG_NEED_RTNL
,
13284 .cmd
= NL80211_CMD_DEL_TX_TS
,
13285 .doit
= nl80211_del_tx_ts
,
13286 .policy
= nl80211_policy
,
13287 .flags
= GENL_UNS_ADMIN_PERM
,
13288 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13289 NL80211_FLAG_NEED_RTNL
,
13292 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
13293 .doit
= nl80211_tdls_channel_switch
,
13294 .policy
= nl80211_policy
,
13295 .flags
= GENL_UNS_ADMIN_PERM
,
13296 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13297 NL80211_FLAG_NEED_RTNL
,
13300 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
13301 .doit
= nl80211_tdls_cancel_channel_switch
,
13302 .policy
= nl80211_policy
,
13303 .flags
= GENL_UNS_ADMIN_PERM
,
13304 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13305 NL80211_FLAG_NEED_RTNL
,
13308 .cmd
= NL80211_CMD_SET_MULTICAST_TO_UNICAST
,
13309 .doit
= nl80211_set_multicast_to_unicast
,
13310 .policy
= nl80211_policy
,
13311 .flags
= GENL_UNS_ADMIN_PERM
,
13312 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13313 NL80211_FLAG_NEED_RTNL
,
13316 .cmd
= NL80211_CMD_SET_PMK
,
13317 .doit
= nl80211_set_pmk
,
13318 .policy
= nl80211_policy
,
13319 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13320 NL80211_FLAG_NEED_RTNL
,
13323 .cmd
= NL80211_CMD_DEL_PMK
,
13324 .doit
= nl80211_del_pmk
,
13325 .policy
= nl80211_policy
,
13326 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13327 NL80211_FLAG_NEED_RTNL
,
13332 static struct genl_family nl80211_fam __ro_after_init
= {
13333 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
13334 .hdrsize
= 0, /* no private header */
13335 .version
= 1, /* no particular meaning now */
13336 .maxattr
= NL80211_ATTR_MAX
,
13338 .pre_doit
= nl80211_pre_doit
,
13339 .post_doit
= nl80211_post_doit
,
13340 .module
= THIS_MODULE
,
13341 .ops
= nl80211_ops
,
13342 .n_ops
= ARRAY_SIZE(nl80211_ops
),
13343 .mcgrps
= nl80211_mcgrps
,
13344 .n_mcgrps
= ARRAY_SIZE(nl80211_mcgrps
),
13347 /* notification functions */
13349 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
13350 enum nl80211_commands cmd
)
13352 struct sk_buff
*msg
;
13353 struct nl80211_dump_wiphy_state state
= {};
13355 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
13356 cmd
!= NL80211_CMD_DEL_WIPHY
);
13358 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13362 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
13367 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13368 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13371 void nl80211_notify_iface(struct cfg80211_registered_device
*rdev
,
13372 struct wireless_dev
*wdev
,
13373 enum nl80211_commands cmd
)
13375 struct sk_buff
*msg
;
13377 WARN_ON(cmd
!= NL80211_CMD_NEW_INTERFACE
&&
13378 cmd
!= NL80211_CMD_DEL_INTERFACE
);
13380 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13384 if (nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
,
13385 cmd
== NL80211_CMD_DEL_INTERFACE
) < 0) {
13390 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13391 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13394 static int nl80211_add_scan_req(struct sk_buff
*msg
,
13395 struct cfg80211_registered_device
*rdev
)
13397 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
13398 struct nlattr
*nest
;
13404 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
13406 goto nla_put_failure
;
13407 for (i
= 0; i
< req
->n_ssids
; i
++) {
13408 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
13409 goto nla_put_failure
;
13411 nla_nest_end(msg
, nest
);
13413 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13415 goto nla_put_failure
;
13416 for (i
= 0; i
< req
->n_channels
; i
++) {
13417 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
13418 goto nla_put_failure
;
13420 nla_nest_end(msg
, nest
);
13423 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
13424 goto nla_put_failure
;
13427 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
13428 goto nla_put_failure
;
13430 if (req
->info
.scan_start_tsf
&&
13431 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
13432 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
13433 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
13434 req
->info
.tsf_bssid
)))
13435 goto nla_put_failure
;
13442 static int nl80211_prep_scan_msg(struct sk_buff
*msg
,
13443 struct cfg80211_registered_device
*rdev
,
13444 struct wireless_dev
*wdev
,
13445 u32 portid
, u32 seq
, int flags
,
13450 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
13454 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13455 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13456 wdev
->netdev
->ifindex
)) ||
13457 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13459 goto nla_put_failure
;
13461 /* ignore errors and send incomplete event anyway */
13462 nl80211_add_scan_req(msg
, rdev
);
13464 genlmsg_end(msg
, hdr
);
13468 genlmsg_cancel(msg
, hdr
);
13473 nl80211_prep_sched_scan_msg(struct sk_buff
*msg
,
13474 struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13478 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13482 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
,
13483 wiphy_to_rdev(req
->wiphy
)->wiphy_idx
) ||
13484 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, req
->dev
->ifindex
) ||
13485 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, req
->reqid
,
13487 goto nla_put_failure
;
13489 genlmsg_end(msg
, hdr
);
13493 genlmsg_cancel(msg
, hdr
);
13497 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
13498 struct wireless_dev
*wdev
)
13500 struct sk_buff
*msg
;
13502 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13506 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13507 NL80211_CMD_TRIGGER_SCAN
) < 0) {
13512 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13513 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13516 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
13517 struct wireless_dev
*wdev
, bool aborted
)
13519 struct sk_buff
*msg
;
13521 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13525 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13526 aborted
? NL80211_CMD_SCAN_ABORTED
:
13527 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
13535 /* send message created by nl80211_build_scan_msg() */
13536 void nl80211_send_scan_msg(struct cfg80211_registered_device
*rdev
,
13537 struct sk_buff
*msg
)
13542 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13543 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13546 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13548 struct sk_buff
*msg
;
13550 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13554 if (nl80211_prep_sched_scan_msg(msg
, req
, cmd
) < 0) {
13559 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(req
->wiphy
), msg
, 0,
13560 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13563 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
13564 struct regulatory_request
*request
)
13566 /* Userspace can always count this one always being set */
13567 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
13568 goto nla_put_failure
;
13570 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
13571 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13572 NL80211_REGDOM_TYPE_WORLD
))
13573 goto nla_put_failure
;
13574 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
13575 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13576 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
13577 goto nla_put_failure
;
13578 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
13579 request
->intersect
) {
13580 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13581 NL80211_REGDOM_TYPE_INTERSECTION
))
13582 goto nla_put_failure
;
13584 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13585 NL80211_REGDOM_TYPE_COUNTRY
) ||
13586 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
13588 goto nla_put_failure
;
13591 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
13592 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
13595 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
13596 goto nla_put_failure
;
13599 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
13600 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
13601 goto nla_put_failure
;
13611 * This can happen on global regulatory changes or device specific settings
13612 * based on custom regulatory domains.
13614 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
13615 struct regulatory_request
*request
)
13617 struct sk_buff
*msg
;
13620 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13624 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
13630 if (nl80211_reg_change_event_fill(msg
, request
) == false)
13631 goto nla_put_failure
;
13633 genlmsg_end(msg
, hdr
);
13636 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
13637 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
13643 genlmsg_cancel(msg
, hdr
);
13647 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
13648 struct net_device
*netdev
,
13649 const u8
*buf
, size_t len
,
13650 enum nl80211_commands cmd
, gfp_t gfp
,
13653 struct sk_buff
*msg
;
13656 msg
= nlmsg_new(100 + len
, gfp
);
13660 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13666 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13667 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13668 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
13669 goto nla_put_failure
;
13671 if (uapsd_queues
>= 0) {
13672 struct nlattr
*nla_wmm
=
13673 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
13675 goto nla_put_failure
;
13677 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
13679 goto nla_put_failure
;
13681 nla_nest_end(msg
, nla_wmm
);
13684 genlmsg_end(msg
, hdr
);
13686 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13687 NL80211_MCGRP_MLME
, gfp
);
13691 genlmsg_cancel(msg
, hdr
);
13695 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
13696 struct net_device
*netdev
, const u8
*buf
,
13697 size_t len
, gfp_t gfp
)
13699 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13700 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
13703 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
13704 struct net_device
*netdev
, const u8
*buf
,
13705 size_t len
, gfp_t gfp
, int uapsd_queues
)
13707 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13708 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
13711 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
13712 struct net_device
*netdev
, const u8
*buf
,
13713 size_t len
, gfp_t gfp
)
13715 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13716 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
13719 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
13720 struct net_device
*netdev
, const u8
*buf
,
13721 size_t len
, gfp_t gfp
)
13723 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13724 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
13727 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
13730 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13731 struct wiphy
*wiphy
= wdev
->wiphy
;
13732 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13733 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
13736 if (WARN_ON(len
< 2))
13739 if (ieee80211_is_deauth(mgmt
->frame_control
))
13740 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
13742 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
13744 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
13745 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
13747 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
13749 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
13750 struct net_device
*netdev
, int cmd
,
13751 const u8
*addr
, gfp_t gfp
)
13753 struct sk_buff
*msg
;
13756 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13760 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13766 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13767 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13768 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13769 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
13770 goto nla_put_failure
;
13772 genlmsg_end(msg
, hdr
);
13774 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13775 NL80211_MCGRP_MLME
, gfp
);
13779 genlmsg_cancel(msg
, hdr
);
13783 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
13784 struct net_device
*netdev
, const u8
*addr
,
13787 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
13791 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
13792 struct net_device
*netdev
, const u8
*addr
,
13795 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
13799 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
13800 struct net_device
*netdev
,
13801 struct cfg80211_connect_resp_params
*cr
,
13804 struct sk_buff
*msg
;
13807 msg
= nlmsg_new(100 + cr
->req_ie_len
+ cr
->resp_ie_len
+
13808 cr
->fils_kek_len
+ cr
->pmk_len
+
13809 (cr
->pmkid
? WLAN_PMKID_LEN
: 0), gfp
);
13813 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
13819 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13820 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13822 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, cr
->bssid
)) ||
13823 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
13824 cr
->status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
13827 (nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13828 nla_put_u32(msg
, NL80211_ATTR_TIMEOUT_REASON
,
13829 cr
->timeout_reason
))) ||
13831 nla_put(msg
, NL80211_ATTR_REQ_IE
, cr
->req_ie_len
, cr
->req_ie
)) ||
13833 nla_put(msg
, NL80211_ATTR_RESP_IE
, cr
->resp_ie_len
,
13835 (cr
->update_erp_next_seq_num
&&
13836 nla_put_u16(msg
, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
,
13837 cr
->fils_erp_next_seq_num
)) ||
13838 (cr
->status
== WLAN_STATUS_SUCCESS
&&
13840 nla_put(msg
, NL80211_ATTR_FILS_KEK
, cr
->fils_kek_len
,
13843 nla_put(msg
, NL80211_ATTR_PMK
, cr
->pmk_len
, cr
->pmk
)) ||
13845 nla_put(msg
, NL80211_ATTR_PMKID
, WLAN_PMKID_LEN
, cr
->pmkid
)))))
13846 goto nla_put_failure
;
13848 genlmsg_end(msg
, hdr
);
13850 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13851 NL80211_MCGRP_MLME
, gfp
);
13855 genlmsg_cancel(msg
, hdr
);
13859 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
13860 struct net_device
*netdev
,
13861 struct cfg80211_roam_info
*info
, gfp_t gfp
)
13863 struct sk_buff
*msg
;
13865 const u8
*bssid
= info
->bss
? info
->bss
->bssid
: info
->bssid
;
13867 msg
= nlmsg_new(100 + info
->req_ie_len
+ info
->resp_ie_len
, gfp
);
13871 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
13877 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13878 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13879 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
13881 nla_put(msg
, NL80211_ATTR_REQ_IE
, info
->req_ie_len
,
13884 nla_put(msg
, NL80211_ATTR_RESP_IE
, info
->resp_ie_len
,
13886 goto nla_put_failure
;
13888 genlmsg_end(msg
, hdr
);
13890 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13891 NL80211_MCGRP_MLME
, gfp
);
13895 genlmsg_cancel(msg
, hdr
);
13899 void nl80211_send_port_authorized(struct cfg80211_registered_device
*rdev
,
13900 struct net_device
*netdev
, const u8
*bssid
)
13902 struct sk_buff
*msg
;
13905 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13909 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED
);
13915 if (nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13916 goto nla_put_failure
;
13918 genlmsg_end(msg
, hdr
);
13920 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13921 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13925 genlmsg_cancel(msg
, hdr
);
13929 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
13930 struct net_device
*netdev
, u16 reason
,
13931 const u8
*ie
, size_t ie_len
, bool from_ap
)
13933 struct sk_buff
*msg
;
13936 msg
= nlmsg_new(100 + ie_len
, GFP_KERNEL
);
13940 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
13946 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13947 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13948 (from_ap
&& reason
&&
13949 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
13951 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
13952 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
13953 goto nla_put_failure
;
13955 genlmsg_end(msg
, hdr
);
13957 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13958 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13962 genlmsg_cancel(msg
, hdr
);
13966 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
13967 struct net_device
*netdev
, const u8
*bssid
,
13970 struct sk_buff
*msg
;
13973 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13977 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
13983 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13984 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13985 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13986 goto nla_put_failure
;
13988 genlmsg_end(msg
, hdr
);
13990 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13991 NL80211_MCGRP_MLME
, gfp
);
13995 genlmsg_cancel(msg
, hdr
);
13999 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
14000 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
14002 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14003 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14004 struct sk_buff
*msg
;
14007 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
14010 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
14012 msg
= nlmsg_new(100 + ie_len
, gfp
);
14016 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
14022 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14023 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14024 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14026 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
14027 goto nla_put_failure
;
14029 genlmsg_end(msg
, hdr
);
14031 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14032 NL80211_MCGRP_MLME
, gfp
);
14036 genlmsg_cancel(msg
, hdr
);
14039 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
14041 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
14042 struct net_device
*netdev
, const u8
*addr
,
14043 enum nl80211_key_type key_type
, int key_id
,
14044 const u8
*tsc
, gfp_t gfp
)
14046 struct sk_buff
*msg
;
14049 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14053 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
14059 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14060 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14061 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
14062 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
14064 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
14065 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
14066 goto nla_put_failure
;
14068 genlmsg_end(msg
, hdr
);
14070 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14071 NL80211_MCGRP_MLME
, gfp
);
14075 genlmsg_cancel(msg
, hdr
);
14079 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
14080 struct ieee80211_channel
*channel_before
,
14081 struct ieee80211_channel
*channel_after
)
14083 struct sk_buff
*msg
;
14085 struct nlattr
*nl_freq
;
14087 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
14091 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
14098 * Since we are applying the beacon hint to a wiphy we know its
14099 * wiphy_idx is valid
14101 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
14102 goto nla_put_failure
;
14105 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
14107 goto nla_put_failure
;
14108 if (nl80211_msg_put_channel(msg
, channel_before
, false))
14109 goto nla_put_failure
;
14110 nla_nest_end(msg
, nl_freq
);
14113 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
14115 goto nla_put_failure
;
14116 if (nl80211_msg_put_channel(msg
, channel_after
, false))
14117 goto nla_put_failure
;
14118 nla_nest_end(msg
, nl_freq
);
14120 genlmsg_end(msg
, hdr
);
14123 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
14124 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
14130 genlmsg_cancel(msg
, hdr
);
14134 static void nl80211_send_remain_on_chan_event(
14135 int cmd
, struct cfg80211_registered_device
*rdev
,
14136 struct wireless_dev
*wdev
, u64 cookie
,
14137 struct ieee80211_channel
*chan
,
14138 unsigned int duration
, gfp_t gfp
)
14140 struct sk_buff
*msg
;
14143 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14147 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14153 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14154 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14155 wdev
->netdev
->ifindex
)) ||
14156 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14157 NL80211_ATTR_PAD
) ||
14158 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
14159 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
14160 NL80211_CHAN_NO_HT
) ||
14161 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14163 goto nla_put_failure
;
14165 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
14166 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
14167 goto nla_put_failure
;
14169 genlmsg_end(msg
, hdr
);
14171 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14172 NL80211_MCGRP_MLME
, gfp
);
14176 genlmsg_cancel(msg
, hdr
);
14180 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
14181 struct ieee80211_channel
*chan
,
14182 unsigned int duration
, gfp_t gfp
)
14184 struct wiphy
*wiphy
= wdev
->wiphy
;
14185 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14187 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
14188 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
14189 rdev
, wdev
, cookie
, chan
,
14192 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
14194 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
14195 struct ieee80211_channel
*chan
,
14198 struct wiphy
*wiphy
= wdev
->wiphy
;
14199 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14201 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
14202 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
14203 rdev
, wdev
, cookie
, chan
, 0, gfp
);
14205 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
14207 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
14208 struct station_info
*sinfo
, gfp_t gfp
)
14210 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14211 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14212 struct sk_buff
*msg
;
14214 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
14216 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14220 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
14221 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14226 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14227 NL80211_MCGRP_MLME
, gfp
);
14229 EXPORT_SYMBOL(cfg80211_new_sta
);
14231 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
14232 struct station_info
*sinfo
, gfp_t gfp
)
14234 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14235 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14236 struct sk_buff
*msg
;
14237 struct station_info empty_sinfo
= {};
14240 sinfo
= &empty_sinfo
;
14242 trace_cfg80211_del_sta(dev
, mac_addr
);
14244 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14248 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
14249 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14254 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14255 NL80211_MCGRP_MLME
, gfp
);
14257 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
14259 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
14260 enum nl80211_connect_failed_reason reason
,
14263 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14264 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14265 struct sk_buff
*msg
;
14268 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
14272 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
14278 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14279 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
14280 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
14281 goto nla_put_failure
;
14283 genlmsg_end(msg
, hdr
);
14285 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14286 NL80211_MCGRP_MLME
, gfp
);
14290 genlmsg_cancel(msg
, hdr
);
14293 EXPORT_SYMBOL(cfg80211_conn_failed
);
14295 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
14296 const u8
*addr
, gfp_t gfp
)
14298 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14299 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14300 struct sk_buff
*msg
;
14302 u32 nlportid
= READ_ONCE(wdev
->ap_unexpected_nlportid
);
14307 msg
= nlmsg_new(100, gfp
);
14311 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14317 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14318 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14319 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
14320 goto nla_put_failure
;
14322 genlmsg_end(msg
, hdr
);
14323 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14327 genlmsg_cancel(msg
, hdr
);
14332 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
14333 const u8
*addr
, gfp_t gfp
)
14335 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14338 trace_cfg80211_rx_spurious_frame(dev
, addr
);
14340 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14341 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
14342 trace_cfg80211_return_bool(false);
14345 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
14347 trace_cfg80211_return_bool(ret
);
14350 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
14352 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
14353 const u8
*addr
, gfp_t gfp
)
14355 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14358 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
14360 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14361 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
14362 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
14363 trace_cfg80211_return_bool(false);
14366 ret
= __nl80211_unexpected_frame(dev
,
14367 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
14369 trace_cfg80211_return_bool(ret
);
14372 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
14374 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
14375 struct wireless_dev
*wdev
, u32 nlportid
,
14376 int freq
, int sig_dbm
,
14377 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
14379 struct net_device
*netdev
= wdev
->netdev
;
14380 struct sk_buff
*msg
;
14383 msg
= nlmsg_new(100 + len
, gfp
);
14387 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14393 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14394 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14395 netdev
->ifindex
)) ||
14396 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14397 NL80211_ATTR_PAD
) ||
14398 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
14400 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14401 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14403 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
14404 goto nla_put_failure
;
14406 genlmsg_end(msg
, hdr
);
14408 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14411 genlmsg_cancel(msg
, hdr
);
14416 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
14417 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
14419 struct wiphy
*wiphy
= wdev
->wiphy
;
14420 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14421 struct net_device
*netdev
= wdev
->netdev
;
14422 struct sk_buff
*msg
;
14425 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
14427 msg
= nlmsg_new(100 + len
, gfp
);
14431 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
14437 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14438 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14439 netdev
->ifindex
)) ||
14440 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14441 NL80211_ATTR_PAD
) ||
14442 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14443 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14444 NL80211_ATTR_PAD
) ||
14445 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14446 goto nla_put_failure
;
14448 genlmsg_end(msg
, hdr
);
14450 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14451 NL80211_MCGRP_MLME
, gfp
);
14455 genlmsg_cancel(msg
, hdr
);
14458 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
14460 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
14461 const char *mac
, gfp_t gfp
)
14463 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14464 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14465 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14471 cb
= (void **)msg
->cb
;
14473 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
14479 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14480 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
14481 goto nla_put_failure
;
14483 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
14484 goto nla_put_failure
;
14486 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
14488 goto nla_put_failure
;
14498 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
14500 void **cb
= (void **)msg
->cb
;
14501 struct cfg80211_registered_device
*rdev
= cb
[2];
14503 nla_nest_end(msg
, cb
[1]);
14504 genlmsg_end(msg
, cb
[0]);
14506 memset(msg
->cb
, 0, sizeof(msg
->cb
));
14508 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14509 NL80211_MCGRP_MLME
, gfp
);
14512 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
14513 enum nl80211_cqm_rssi_threshold_event rssi_event
,
14514 s32 rssi_level
, gfp_t gfp
)
14516 struct sk_buff
*msg
;
14517 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14518 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14520 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
, rssi_level
);
14522 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
14523 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
14526 if (wdev
->cqm_config
) {
14527 wdev
->cqm_config
->last_rssi_event_value
= rssi_level
;
14529 cfg80211_cqm_rssi_update(rdev
, dev
);
14531 if (rssi_level
== 0)
14532 rssi_level
= wdev
->cqm_config
->last_rssi_event_value
;
14535 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14539 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
14541 goto nla_put_failure
;
14543 if (rssi_level
&& nla_put_s32(msg
, NL80211_ATTR_CQM_RSSI_LEVEL
,
14545 goto nla_put_failure
;
14547 cfg80211_send_cqm(msg
, gfp
);
14554 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
14556 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
14557 const u8
*peer
, u32 num_packets
,
14558 u32 rate
, u32 intvl
, gfp_t gfp
)
14560 struct sk_buff
*msg
;
14562 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14566 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
14567 goto nla_put_failure
;
14569 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
14570 goto nla_put_failure
;
14572 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
14573 goto nla_put_failure
;
14575 cfg80211_send_cqm(msg
, gfp
);
14581 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
14583 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
14584 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
14586 struct sk_buff
*msg
;
14588 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
14590 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14594 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
14595 goto nla_put_failure
;
14597 cfg80211_send_cqm(msg
, gfp
);
14603 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
14605 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
14607 struct sk_buff
*msg
;
14609 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14613 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
14614 goto nla_put_failure
;
14616 cfg80211_send_cqm(msg
, gfp
);
14622 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
14624 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
14625 struct net_device
*netdev
, const u8
*bssid
,
14626 const u8
*replay_ctr
, gfp_t gfp
)
14628 struct sk_buff
*msg
;
14629 struct nlattr
*rekey_attr
;
14632 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14636 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
14642 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14643 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14644 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
14645 goto nla_put_failure
;
14647 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
14649 goto nla_put_failure
;
14651 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
14652 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
14653 goto nla_put_failure
;
14655 nla_nest_end(msg
, rekey_attr
);
14657 genlmsg_end(msg
, hdr
);
14659 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14660 NL80211_MCGRP_MLME
, gfp
);
14664 genlmsg_cancel(msg
, hdr
);
14668 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
14669 const u8
*replay_ctr
, gfp_t gfp
)
14671 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14672 struct wiphy
*wiphy
= wdev
->wiphy
;
14673 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14675 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
14676 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
14678 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
14681 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
14682 struct net_device
*netdev
, int index
,
14683 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14685 struct sk_buff
*msg
;
14686 struct nlattr
*attr
;
14689 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14693 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
14699 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14700 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14701 goto nla_put_failure
;
14703 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
14705 goto nla_put_failure
;
14707 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
14708 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
14710 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
14711 goto nla_put_failure
;
14713 nla_nest_end(msg
, attr
);
14715 genlmsg_end(msg
, hdr
);
14717 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14718 NL80211_MCGRP_MLME
, gfp
);
14722 genlmsg_cancel(msg
, hdr
);
14726 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
14727 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14729 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14730 struct wiphy
*wiphy
= wdev
->wiphy
;
14731 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14733 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
14734 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
14736 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
14738 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
14739 struct net_device
*netdev
,
14740 struct cfg80211_chan_def
*chandef
,
14742 enum nl80211_commands notif
,
14745 struct sk_buff
*msg
;
14748 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14752 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
14758 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14759 goto nla_put_failure
;
14761 if (nl80211_send_chandef(msg
, chandef
))
14762 goto nla_put_failure
;
14764 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
14765 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
14766 goto nla_put_failure
;
14768 genlmsg_end(msg
, hdr
);
14770 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14771 NL80211_MCGRP_MLME
, gfp
);
14775 genlmsg_cancel(msg
, hdr
);
14779 void cfg80211_ch_switch_notify(struct net_device
*dev
,
14780 struct cfg80211_chan_def
*chandef
)
14782 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14783 struct wiphy
*wiphy
= wdev
->wiphy
;
14784 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14786 ASSERT_WDEV_LOCK(wdev
);
14788 trace_cfg80211_ch_switch_notify(dev
, chandef
);
14790 wdev
->chandef
= *chandef
;
14791 wdev
->preset_chandef
= *chandef
;
14792 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14793 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
14795 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
14797 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
14798 struct cfg80211_chan_def
*chandef
,
14801 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14802 struct wiphy
*wiphy
= wdev
->wiphy
;
14803 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14805 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
14807 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14808 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
14810 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
14813 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
14814 const struct cfg80211_chan_def
*chandef
,
14815 enum nl80211_radar_event event
,
14816 struct net_device
*netdev
, gfp_t gfp
)
14818 struct sk_buff
*msg
;
14821 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14825 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
14831 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
14832 goto nla_put_failure
;
14834 /* NOP and radar events don't need a netdev parameter */
14836 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
14838 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14839 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14841 goto nla_put_failure
;
14844 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
14845 goto nla_put_failure
;
14847 if (nl80211_send_chandef(msg
, chandef
))
14848 goto nla_put_failure
;
14850 genlmsg_end(msg
, hdr
);
14852 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14853 NL80211_MCGRP_MLME
, gfp
);
14857 genlmsg_cancel(msg
, hdr
);
14861 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
14862 u64 cookie
, bool acked
, gfp_t gfp
)
14864 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14865 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14866 struct sk_buff
*msg
;
14869 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
14871 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14876 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
14882 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14883 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14884 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14885 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14886 NL80211_ATTR_PAD
) ||
14887 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14888 goto nla_put_failure
;
14890 genlmsg_end(msg
, hdr
);
14892 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14893 NL80211_MCGRP_MLME
, gfp
);
14897 genlmsg_cancel(msg
, hdr
);
14900 EXPORT_SYMBOL(cfg80211_probe_status
);
14902 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
14903 const u8
*frame
, size_t len
,
14904 int freq
, int sig_dbm
)
14906 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14907 struct sk_buff
*msg
;
14909 struct cfg80211_beacon_registration
*reg
;
14911 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
14913 spin_lock_bh(&rdev
->beacon_registrations_lock
);
14914 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
14915 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
14917 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14921 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14923 goto nla_put_failure
;
14925 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14927 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
14929 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14930 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
14931 goto nla_put_failure
;
14933 genlmsg_end(msg
, hdr
);
14935 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
14937 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14941 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14943 genlmsg_cancel(msg
, hdr
);
14946 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
14949 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
14950 struct cfg80211_wowlan_wakeup
*wakeup
)
14952 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
14953 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
14956 nl_results
= nla_nest_start(
14957 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
14961 for (i
= 0; i
< nd
->n_matches
; i
++) {
14962 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
14964 nl_match
= nla_nest_start(msg
, i
);
14968 /* The SSID attribute is optional in nl80211, but for
14969 * simplicity reasons it's always present in the
14970 * cfg80211 structure. If a driver can't pass the
14971 * SSID, that needs to be changed. A zero length SSID
14972 * is still a valid SSID (wildcard), so it cannot be
14973 * used for this purpose.
14975 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
14976 match
->ssid
.ssid
)) {
14977 nla_nest_cancel(msg
, nl_match
);
14981 if (match
->n_channels
) {
14982 nl_freqs
= nla_nest_start(
14983 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
14985 nla_nest_cancel(msg
, nl_match
);
14989 for (j
= 0; j
< match
->n_channels
; j
++) {
14990 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
14991 nla_nest_cancel(msg
, nl_freqs
);
14992 nla_nest_cancel(msg
, nl_match
);
14997 nla_nest_end(msg
, nl_freqs
);
15000 nla_nest_end(msg
, nl_match
);
15004 nla_nest_end(msg
, nl_results
);
15008 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
15009 struct cfg80211_wowlan_wakeup
*wakeup
,
15012 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15013 struct sk_buff
*msg
;
15017 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
15020 size
+= wakeup
->packet_present_len
;
15022 msg
= nlmsg_new(size
, gfp
);
15026 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
15030 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15031 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15035 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
15036 wdev
->netdev
->ifindex
))
15040 struct nlattr
*reasons
;
15042 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
15046 if (wakeup
->disconnect
&&
15047 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
15049 if (wakeup
->magic_pkt
&&
15050 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
15052 if (wakeup
->gtk_rekey_failure
&&
15053 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
15055 if (wakeup
->eap_identity_req
&&
15056 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
15058 if (wakeup
->four_way_handshake
&&
15059 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
15061 if (wakeup
->rfkill_release
&&
15062 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
15065 if (wakeup
->pattern_idx
>= 0 &&
15066 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
15067 wakeup
->pattern_idx
))
15070 if (wakeup
->tcp_match
&&
15071 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
15074 if (wakeup
->tcp_connlost
&&
15075 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
15078 if (wakeup
->tcp_nomoretokens
&&
15080 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
15083 if (wakeup
->packet
) {
15084 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
15085 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
15087 if (!wakeup
->packet_80211
) {
15089 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
15091 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
15094 if (wakeup
->packet_len
&&
15095 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
15098 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
15103 if (wakeup
->net_detect
&&
15104 cfg80211_net_detect_results(msg
, wakeup
))
15107 nla_nest_end(msg
, reasons
);
15110 genlmsg_end(msg
, hdr
);
15112 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15113 NL80211_MCGRP_MLME
, gfp
);
15119 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
15122 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
15123 enum nl80211_tdls_operation oper
,
15124 u16 reason_code
, gfp_t gfp
)
15126 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15127 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15128 struct sk_buff
*msg
;
15131 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
15134 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15138 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
15144 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15145 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15146 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
15147 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
15148 (reason_code
> 0 &&
15149 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
15150 goto nla_put_failure
;
15152 genlmsg_end(msg
, hdr
);
15154 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15155 NL80211_MCGRP_MLME
, gfp
);
15159 genlmsg_cancel(msg
, hdr
);
15162 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
15164 static int nl80211_netlink_notify(struct notifier_block
* nb
,
15165 unsigned long state
,
15168 struct netlink_notify
*notify
= _notify
;
15169 struct cfg80211_registered_device
*rdev
;
15170 struct wireless_dev
*wdev
;
15171 struct cfg80211_beacon_registration
*reg
, *tmp
;
15173 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
15174 return NOTIFY_DONE
;
15178 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
15179 struct cfg80211_sched_scan_request
*sched_scan_req
;
15181 list_for_each_entry_rcu(sched_scan_req
,
15182 &rdev
->sched_scan_req_list
,
15184 if (sched_scan_req
->owner_nlportid
== notify
->portid
) {
15185 sched_scan_req
->nl_owner_dead
= true;
15186 schedule_work(&rdev
->sched_scan_stop_wk
);
15190 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
15191 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
15193 if (wdev
->owner_nlportid
== notify
->portid
) {
15194 wdev
->nl_owner_dead
= true;
15195 schedule_work(&rdev
->destroy_work
);
15196 } else if (wdev
->conn_owner_nlportid
== notify
->portid
) {
15197 schedule_work(&wdev
->disconnect_wk
);
15201 spin_lock_bh(&rdev
->beacon_registrations_lock
);
15202 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
15204 if (reg
->nlportid
== notify
->portid
) {
15205 list_del(®
->list
);
15210 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
15216 * It is possible that the user space process that is controlling the
15217 * indoor setting disappeared, so notify the regulatory core.
15219 regulatory_netlink_notify(notify
->portid
);
15223 static struct notifier_block nl80211_netlink_notifier
= {
15224 .notifier_call
= nl80211_netlink_notify
,
15227 void cfg80211_ft_event(struct net_device
*netdev
,
15228 struct cfg80211_ft_event_params
*ft_event
)
15230 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
15231 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15232 struct sk_buff
*msg
;
15235 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
15237 if (!ft_event
->target_ap
)
15240 msg
= nlmsg_new(100 + ft_event
->ric_ies_len
, GFP_KERNEL
);
15244 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
15248 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15249 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
15250 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
15253 if (ft_event
->ies
&&
15254 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
15256 if (ft_event
->ric_ies
&&
15257 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
15258 ft_event
->ric_ies
))
15261 genlmsg_end(msg
, hdr
);
15263 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15264 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15269 EXPORT_SYMBOL(cfg80211_ft_event
);
15271 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
15273 struct cfg80211_registered_device
*rdev
;
15274 struct sk_buff
*msg
;
15278 rdev
= wiphy_to_rdev(wdev
->wiphy
);
15279 if (!rdev
->crit_proto_nlportid
)
15282 nlportid
= rdev
->crit_proto_nlportid
;
15283 rdev
->crit_proto_nlportid
= 0;
15285 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15289 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
15291 goto nla_put_failure
;
15293 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15294 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15296 goto nla_put_failure
;
15298 genlmsg_end(msg
, hdr
);
15300 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
15305 genlmsg_cancel(msg
, hdr
);
15308 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
15310 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
15312 struct wiphy
*wiphy
= wdev
->wiphy
;
15313 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15314 struct sk_buff
*msg
;
15317 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
15321 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
15325 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15326 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
15327 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15331 genlmsg_end(msg
, hdr
);
15333 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
15334 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15340 /* initialisation/exit functions */
15342 int __init
nl80211_init(void)
15346 err
= genl_register_family(&nl80211_fam
);
15350 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
15356 genl_unregister_family(&nl80211_fam
);
15360 void nl80211_exit(void)
15362 netlink_unregister_notifier(&nl80211_netlink_notifier
);
15363 genl_unregister_family(&nl80211_fam
);