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
,
2137 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
2139 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
2140 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
2141 chandef
->center_freq1
=
2143 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
2144 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
2145 chandef
->center_freq2
=
2147 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
2150 if (!cfg80211_chandef_valid(chandef
))
2153 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
2154 IEEE80211_CHAN_DISABLED
))
2157 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
2158 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
2159 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
2165 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
2166 struct net_device
*dev
,
2167 struct genl_info
*info
)
2169 struct cfg80211_chan_def chandef
;
2171 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
2172 struct wireless_dev
*wdev
= NULL
;
2175 wdev
= dev
->ieee80211_ptr
;
2176 if (!nl80211_can_set_dev_channel(wdev
))
2179 iftype
= wdev
->iftype
;
2181 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2186 case NL80211_IFTYPE_AP
:
2187 case NL80211_IFTYPE_P2P_GO
:
2188 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2193 if (wdev
->beacon_interval
) {
2194 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2195 !(rdev
->wiphy
.features
&
2196 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2201 /* Only allow dynamic channel width changes */
2202 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2206 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2210 wdev
->preset_chandef
= chandef
;
2213 case NL80211_IFTYPE_MESH_POINT
:
2214 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2216 case NL80211_IFTYPE_MONITOR
:
2217 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2226 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2228 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2229 struct net_device
*netdev
= info
->user_ptr
[1];
2231 return __nl80211_set_channel(rdev
, netdev
, info
);
2234 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2236 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2237 struct net_device
*dev
= info
->user_ptr
[1];
2238 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2241 if (!info
->attrs
[NL80211_ATTR_MAC
])
2244 if (netif_running(dev
))
2247 if (!rdev
->ops
->set_wds_peer
)
2250 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2253 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2254 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2257 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2259 struct cfg80211_registered_device
*rdev
;
2260 struct net_device
*netdev
= NULL
;
2261 struct wireless_dev
*wdev
;
2262 int result
= 0, rem_txq_params
= 0;
2263 struct nlattr
*nl_txq_params
;
2265 u8 retry_short
= 0, retry_long
= 0;
2266 u32 frag_threshold
= 0, rts_threshold
= 0;
2267 u8 coverage_class
= 0;
2272 * Try to find the wiphy and netdev. Normally this
2273 * function shouldn't need the netdev, but this is
2274 * done for backward compatibility -- previously
2275 * setting the channel was done per wiphy, but now
2276 * it is per netdev. Previous userland like hostapd
2277 * also passed a netdev to set_wiphy, so that it is
2278 * possible to let that go to the right netdev!
2281 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2282 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2284 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2285 if (netdev
&& netdev
->ieee80211_ptr
)
2286 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2292 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2295 return PTR_ERR(rdev
);
2300 wdev
= netdev
->ieee80211_ptr
;
2303 * end workaround code, by now the rdev is available
2304 * and locked, and wdev may or may not be NULL.
2307 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2308 result
= cfg80211_dev_rename(
2309 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2314 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2315 struct ieee80211_txq_params txq_params
;
2316 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2318 if (!rdev
->ops
->set_txq_params
)
2324 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2325 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2328 if (!netif_running(netdev
))
2331 nla_for_each_nested(nl_txq_params
,
2332 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2334 result
= nla_parse_nested(tb
, NL80211_TXQ_ATTR_MAX
,
2340 result
= parse_txq_params(tb
, &txq_params
);
2344 result
= rdev_set_txq_params(rdev
, netdev
,
2351 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2352 result
= __nl80211_set_channel(
2354 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2360 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2361 struct wireless_dev
*txp_wdev
= wdev
;
2362 enum nl80211_tx_power_setting type
;
2365 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2368 if (!rdev
->ops
->set_tx_power
)
2371 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2372 type
= nla_get_u32(info
->attrs
[idx
]);
2374 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2375 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2378 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2379 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2380 mbm
= nla_get_u32(info
->attrs
[idx
]);
2383 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2388 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2389 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2392 if ((!rdev
->wiphy
.available_antennas_tx
&&
2393 !rdev
->wiphy
.available_antennas_rx
) ||
2394 !rdev
->ops
->set_antenna
)
2397 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2398 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2400 /* reject antenna configurations which don't match the
2401 * available antenna masks, except for the "all" mask */
2402 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2403 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2406 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2407 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2409 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2416 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2417 retry_short
= nla_get_u8(
2418 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2419 if (retry_short
== 0)
2422 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2425 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2426 retry_long
= nla_get_u8(
2427 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2428 if (retry_long
== 0)
2431 changed
|= WIPHY_PARAM_RETRY_LONG
;
2434 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2435 frag_threshold
= nla_get_u32(
2436 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2437 if (frag_threshold
< 256)
2440 if (frag_threshold
!= (u32
) -1) {
2442 * Fragments (apart from the last one) are required to
2443 * have even length. Make the fragmentation code
2444 * simpler by stripping LSB should someone try to use
2445 * odd threshold value.
2447 frag_threshold
&= ~0x1;
2449 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2452 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2453 rts_threshold
= nla_get_u32(
2454 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2455 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2458 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2459 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2462 coverage_class
= nla_get_u8(
2463 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2464 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2467 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2468 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2471 changed
|= WIPHY_PARAM_DYN_ACK
;
2475 u8 old_retry_short
, old_retry_long
;
2476 u32 old_frag_threshold
, old_rts_threshold
;
2477 u8 old_coverage_class
;
2479 if (!rdev
->ops
->set_wiphy_params
)
2482 old_retry_short
= rdev
->wiphy
.retry_short
;
2483 old_retry_long
= rdev
->wiphy
.retry_long
;
2484 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2485 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2486 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2488 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2489 rdev
->wiphy
.retry_short
= retry_short
;
2490 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2491 rdev
->wiphy
.retry_long
= retry_long
;
2492 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2493 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2494 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2495 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2496 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2497 rdev
->wiphy
.coverage_class
= coverage_class
;
2499 result
= rdev_set_wiphy_params(rdev
, changed
);
2501 rdev
->wiphy
.retry_short
= old_retry_short
;
2502 rdev
->wiphy
.retry_long
= old_retry_long
;
2503 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2504 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2505 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2512 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2514 return (u64
)wdev
->identifier
|
2515 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2518 static int nl80211_send_chandef(struct sk_buff
*msg
,
2519 const struct cfg80211_chan_def
*chandef
)
2521 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2524 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2525 chandef
->chan
->center_freq
))
2527 switch (chandef
->width
) {
2528 case NL80211_CHAN_WIDTH_20_NOHT
:
2529 case NL80211_CHAN_WIDTH_20
:
2530 case NL80211_CHAN_WIDTH_40
:
2531 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2532 cfg80211_get_chandef_type(chandef
)))
2538 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2540 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2542 if (chandef
->center_freq2
&&
2543 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2548 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2549 struct cfg80211_registered_device
*rdev
,
2550 struct wireless_dev
*wdev
, bool removal
)
2552 struct net_device
*dev
= wdev
->netdev
;
2553 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2557 cmd
= NL80211_CMD_DEL_INTERFACE
;
2559 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2564 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2565 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2566 goto nla_put_failure
;
2568 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2569 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2570 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
2571 NL80211_ATTR_PAD
) ||
2572 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2573 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2574 rdev
->devlist_generation
^
2575 (cfg80211_rdev_list_generation
<< 2)))
2576 goto nla_put_failure
;
2578 if (rdev
->ops
->get_channel
) {
2580 struct cfg80211_chan_def chandef
;
2582 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2584 if (nl80211_send_chandef(msg
, &chandef
))
2585 goto nla_put_failure
;
2589 if (rdev
->ops
->get_tx_power
) {
2592 ret
= rdev_get_tx_power(rdev
, wdev
, &dbm
);
2594 nla_put_u32(msg
, NL80211_ATTR_WIPHY_TX_POWER_LEVEL
,
2596 goto nla_put_failure
;
2599 if (wdev
->ssid_len
) {
2600 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2601 goto nla_put_failure
;
2604 genlmsg_end(msg
, hdr
);
2608 genlmsg_cancel(msg
, hdr
);
2612 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2616 int wp_start
= cb
->args
[0];
2617 int if_start
= cb
->args
[1];
2618 int filter_wiphy
= -1;
2619 struct cfg80211_registered_device
*rdev
;
2620 struct wireless_dev
*wdev
;
2625 struct nl80211_dump_wiphy_state state
= {
2629 ret
= nl80211_dump_wiphy_parse(skb
, cb
, &state
);
2633 filter_wiphy
= state
.filter_wiphy
;
2636 * if filtering, set cb->args[2] to +1 since 0 is the default
2637 * value needed to determine that parsing is necessary.
2639 if (filter_wiphy
>= 0)
2640 cb
->args
[2] = filter_wiphy
+ 1;
2643 } else if (cb
->args
[2] > 0) {
2644 filter_wiphy
= cb
->args
[2] - 1;
2647 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2648 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2650 if (wp_idx
< wp_start
) {
2655 if (filter_wiphy
>= 0 && filter_wiphy
!= rdev
->wiphy_idx
)
2660 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
2661 if (if_idx
< if_start
) {
2665 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2666 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2667 rdev
, wdev
, false) < 0) {
2676 cb
->args
[0] = wp_idx
;
2677 cb
->args
[1] = if_idx
;
2686 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2688 struct sk_buff
*msg
;
2689 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2690 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2692 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2696 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2697 rdev
, wdev
, false) < 0) {
2702 return genlmsg_reply(msg
, info
);
2705 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2706 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2707 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2708 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2709 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2710 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2711 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2714 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2716 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2724 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
, nla
,
2725 mntr_flags_policy
, NULL
))
2728 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2730 *mntrflags
|= (1<<flag
);
2732 *mntrflags
|= MONITOR_FLAG_CHANGED
;
2737 static int nl80211_parse_mon_options(struct cfg80211_registered_device
*rdev
,
2738 enum nl80211_iftype type
,
2739 struct genl_info
*info
,
2740 struct vif_params
*params
)
2742 bool change
= false;
2745 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2746 if (type
!= NL80211_IFTYPE_MONITOR
)
2749 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2757 if (params
->flags
& MONITOR_FLAG_ACTIVE
&&
2758 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2761 if (info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]) {
2762 const u8
*mumimo_groups
;
2763 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2765 if (type
!= NL80211_IFTYPE_MONITOR
)
2768 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2772 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_GROUP_DATA
]);
2774 /* bits 0 and 63 are reserved and must be zero */
2775 if ((mumimo_groups
[0] & BIT(0)) ||
2776 (mumimo_groups
[VHT_MUMIMO_GROUPS_DATA_LEN
- 1] & BIT(7)))
2779 params
->vht_mumimo_groups
= mumimo_groups
;
2783 if (info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]) {
2784 u32 cap_flag
= NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER
;
2786 if (type
!= NL80211_IFTYPE_MONITOR
)
2789 if (!wiphy_ext_feature_isset(&rdev
->wiphy
, cap_flag
))
2792 params
->vht_mumimo_follow_addr
=
2793 nla_data(info
->attrs
[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR
]);
2797 return change
? 1 : 0;
2800 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2801 struct net_device
*netdev
, u8 use_4addr
,
2802 enum nl80211_iftype iftype
)
2805 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2811 case NL80211_IFTYPE_AP_VLAN
:
2812 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2815 case NL80211_IFTYPE_STATION
:
2816 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2826 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2828 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2829 struct vif_params params
;
2831 enum nl80211_iftype otype
, ntype
;
2832 struct net_device
*dev
= info
->user_ptr
[1];
2833 bool change
= false;
2835 memset(¶ms
, 0, sizeof(params
));
2837 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2839 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2840 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2843 if (ntype
> NL80211_IFTYPE_MAX
)
2847 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2848 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2850 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2852 if (netif_running(dev
))
2856 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2857 IEEE80211_MAX_MESH_ID_LEN
);
2858 wdev
->mesh_id_up_len
=
2859 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2860 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2861 wdev
->mesh_id_up_len
);
2865 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2866 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2868 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2872 params
.use_4addr
= -1;
2875 err
= nl80211_parse_mon_options(rdev
, ntype
, info
, ¶ms
);
2882 err
= cfg80211_change_iface(rdev
, dev
, ntype
, ¶ms
);
2886 if (!err
&& params
.use_4addr
!= -1)
2887 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2892 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2894 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2895 struct vif_params params
;
2896 struct wireless_dev
*wdev
;
2897 struct sk_buff
*msg
;
2899 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2901 /* to avoid failing a new interface creation due to pending removal */
2902 cfg80211_destroy_ifaces(rdev
);
2904 memset(¶ms
, 0, sizeof(params
));
2906 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2909 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2910 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2911 if (type
> NL80211_IFTYPE_MAX
)
2915 if (!rdev
->ops
->add_virtual_intf
||
2916 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2919 if ((type
== NL80211_IFTYPE_P2P_DEVICE
|| type
== NL80211_IFTYPE_NAN
||
2920 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2921 info
->attrs
[NL80211_ATTR_MAC
]) {
2922 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2924 if (!is_valid_ether_addr(params
.macaddr
))
2925 return -EADDRNOTAVAIL
;
2928 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2929 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2930 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2935 err
= nl80211_parse_mon_options(rdev
, type
, info
, ¶ms
);
2939 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2943 wdev
= rdev_add_virtual_intf(rdev
,
2944 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2945 NET_NAME_USER
, type
, ¶ms
);
2946 if (WARN_ON(!wdev
)) {
2949 } else if (IS_ERR(wdev
)) {
2951 return PTR_ERR(wdev
);
2954 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2955 wdev
->owner_nlportid
= info
->snd_portid
;
2958 case NL80211_IFTYPE_MESH_POINT
:
2959 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2962 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2963 IEEE80211_MAX_MESH_ID_LEN
);
2964 wdev
->mesh_id_up_len
=
2965 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2966 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2967 wdev
->mesh_id_up_len
);
2970 case NL80211_IFTYPE_NAN
:
2971 case NL80211_IFTYPE_P2P_DEVICE
:
2973 * P2P Device and NAN do not have a netdev, so don't go
2974 * through the netdev notifier and must be added here
2976 mutex_init(&wdev
->mtx
);
2977 INIT_LIST_HEAD(&wdev
->event_list
);
2978 spin_lock_init(&wdev
->event_lock
);
2979 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2980 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2982 wdev
->identifier
= ++rdev
->wdev_id
;
2983 list_add_rcu(&wdev
->list
, &rdev
->wiphy
.wdev_list
);
2984 rdev
->devlist_generation
++;
2990 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2991 rdev
, wdev
, false) < 0) {
2997 * For wdevs which have no associated netdev object (e.g. of type
2998 * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here.
2999 * For all other types, the event will be generated from the
3003 nl80211_notify_iface(rdev
, wdev
, NL80211_CMD_NEW_INTERFACE
);
3005 return genlmsg_reply(msg
, info
);
3008 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
3010 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3011 struct wireless_dev
*wdev
= info
->user_ptr
[1];
3013 if (!rdev
->ops
->del_virtual_intf
)
3017 * If we remove a wireless device without a netdev then clear
3018 * user_ptr[1] so that nl80211_post_doit won't dereference it
3019 * to check if it needs to do dev_put(). Otherwise it crashes
3020 * since the wdev has been freed, unlike with a netdev where
3021 * we need the dev_put() for the netdev to really be freed.
3024 info
->user_ptr
[1] = NULL
;
3026 return rdev_del_virtual_intf(rdev
, wdev
);
3029 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
3031 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3032 struct net_device
*dev
= info
->user_ptr
[1];
3035 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
3038 if (!rdev
->ops
->set_noack_map
)
3041 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
3043 return rdev_set_noack_map(rdev
, dev
, noack_map
);
3046 struct get_key_cookie
{
3047 struct sk_buff
*msg
;
3052 static void get_key_callback(void *c
, struct key_params
*params
)
3055 struct get_key_cookie
*cookie
= c
;
3058 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
3059 params
->key_len
, params
->key
)) ||
3061 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
3062 params
->seq_len
, params
->seq
)) ||
3064 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
3066 goto nla_put_failure
;
3068 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
3070 goto nla_put_failure
;
3073 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
3074 params
->key_len
, params
->key
)) ||
3076 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
3077 params
->seq_len
, params
->seq
)) ||
3079 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
3081 goto nla_put_failure
;
3083 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
3084 goto nla_put_failure
;
3086 nla_nest_end(cookie
->msg
, key
);
3093 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
3095 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3097 struct net_device
*dev
= info
->user_ptr
[1];
3099 const u8
*mac_addr
= NULL
;
3101 struct get_key_cookie cookie
= {
3105 struct sk_buff
*msg
;
3107 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
3108 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
3113 if (info
->attrs
[NL80211_ATTR_MAC
])
3114 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3116 pairwise
= !!mac_addr
;
3117 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
3118 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
3120 if (kt
>= NUM_NL80211_KEYTYPES
)
3122 if (kt
!= NL80211_KEYTYPE_GROUP
&&
3123 kt
!= NL80211_KEYTYPE_PAIRWISE
)
3125 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
3128 if (!rdev
->ops
->get_key
)
3131 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3134 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3138 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3139 NL80211_CMD_NEW_KEY
);
3141 goto nla_put_failure
;
3144 cookie
.idx
= key_idx
;
3146 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3147 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
3148 goto nla_put_failure
;
3150 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
3151 goto nla_put_failure
;
3153 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
3160 goto nla_put_failure
;
3162 genlmsg_end(msg
, hdr
);
3163 return genlmsg_reply(msg
, info
);
3172 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
3174 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3175 struct key_parse key
;
3177 struct net_device
*dev
= info
->user_ptr
[1];
3179 err
= nl80211_parse_key(info
, &key
);
3186 /* only support setting default key */
3187 if (!key
.def
&& !key
.defmgmt
)
3190 wdev_lock(dev
->ieee80211_ptr
);
3193 if (!rdev
->ops
->set_default_key
) {
3198 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3202 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
3203 key
.def_uni
, key
.def_multi
);
3208 #ifdef CONFIG_CFG80211_WEXT
3209 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
3212 if (key
.def_uni
|| !key
.def_multi
) {
3217 if (!rdev
->ops
->set_default_mgmt_key
) {
3222 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3226 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3230 #ifdef CONFIG_CFG80211_WEXT
3231 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3236 wdev_unlock(dev
->ieee80211_ptr
);
3241 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3243 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3245 struct net_device
*dev
= info
->user_ptr
[1];
3246 struct key_parse key
;
3247 const u8
*mac_addr
= NULL
;
3249 err
= nl80211_parse_key(info
, &key
);
3256 if (info
->attrs
[NL80211_ATTR_MAC
])
3257 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3259 if (key
.type
== -1) {
3261 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3263 key
.type
= NL80211_KEYTYPE_GROUP
;
3267 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3268 key
.type
!= NL80211_KEYTYPE_GROUP
)
3271 if (!rdev
->ops
->add_key
)
3274 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3275 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3279 wdev_lock(dev
->ieee80211_ptr
);
3280 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3282 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3283 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3285 wdev_unlock(dev
->ieee80211_ptr
);
3290 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3292 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3294 struct net_device
*dev
= info
->user_ptr
[1];
3295 u8
*mac_addr
= NULL
;
3296 struct key_parse key
;
3298 err
= nl80211_parse_key(info
, &key
);
3302 if (info
->attrs
[NL80211_ATTR_MAC
])
3303 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3305 if (key
.type
== -1) {
3307 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3309 key
.type
= NL80211_KEYTYPE_GROUP
;
3313 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3314 key
.type
!= NL80211_KEYTYPE_GROUP
)
3317 if (!rdev
->ops
->del_key
)
3320 wdev_lock(dev
->ieee80211_ptr
);
3321 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3323 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3324 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3328 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3329 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3332 #ifdef CONFIG_CFG80211_WEXT
3334 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3335 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3336 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3337 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3340 wdev_unlock(dev
->ieee80211_ptr
);
3345 /* This function returns an error or the number of nested attributes */
3346 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3348 struct nlattr
*attr
;
3349 int n_entries
= 0, tmp
;
3351 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3352 if (nla_len(attr
) != ETH_ALEN
)
3362 * This function parses ACL information and allocates memory for ACL data.
3363 * On successful return, the calling function is responsible to free the
3364 * ACL buffer returned by this function.
3366 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3367 struct genl_info
*info
)
3369 enum nl80211_acl_policy acl_policy
;
3370 struct nlattr
*attr
;
3371 struct cfg80211_acl_data
*acl
;
3372 int i
= 0, n_entries
, tmp
;
3374 if (!wiphy
->max_acl_mac_addrs
)
3375 return ERR_PTR(-EOPNOTSUPP
);
3377 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3378 return ERR_PTR(-EINVAL
);
3380 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3381 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3382 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3383 return ERR_PTR(-EINVAL
);
3385 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3386 return ERR_PTR(-EINVAL
);
3388 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3390 return ERR_PTR(n_entries
);
3392 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3393 return ERR_PTR(-ENOTSUPP
);
3395 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3398 return ERR_PTR(-ENOMEM
);
3400 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3401 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3405 acl
->n_acl_entries
= n_entries
;
3406 acl
->acl_policy
= acl_policy
;
3411 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3413 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3414 struct net_device
*dev
= info
->user_ptr
[1];
3415 struct cfg80211_acl_data
*acl
;
3418 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3419 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3422 if (!dev
->ieee80211_ptr
->beacon_interval
)
3425 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3427 return PTR_ERR(acl
);
3429 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3436 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
3437 u8
*rates
, u8 rates_len
)
3442 for (i
= 0; i
< rates_len
; i
++) {
3443 int rate
= (rates
[i
] & 0x7f) * 5;
3446 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
3447 struct ieee80211_rate
*srate
=
3448 &sband
->bitrates
[ridx
];
3449 if (rate
== srate
->bitrate
) {
3454 if (ridx
== sband
->n_bitrates
)
3455 return 0; /* rate not found */
3461 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
3462 u8
*rates
, u8 rates_len
,
3463 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
3467 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
3469 for (i
= 0; i
< rates_len
; i
++) {
3472 ridx
= rates
[i
] / 8;
3473 rbit
= BIT(rates
[i
] % 8);
3475 /* check validity */
3476 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
3479 /* check availability */
3480 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
3489 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
3493 switch (vht_mcs_map
) {
3494 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
3496 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
3499 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
3502 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
3512 static void vht_build_mcs_mask(u16 vht_mcs_map
,
3513 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
3517 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
3518 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
3523 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
3524 struct nl80211_txrate_vht
*txrate
,
3525 u16 mcs
[NL80211_VHT_NSS_MAX
])
3527 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3528 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
3531 if (!sband
->vht_cap
.vht_supported
)
3534 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
3536 /* Build vht_mcs_mask from VHT capabilities */
3537 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
3539 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3540 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
3541 mcs
[i
] = txrate
->mcs
[i
];
3549 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
3550 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
3551 .len
= NL80211_MAX_SUPP_RATES
},
3552 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
3553 .len
= NL80211_MAX_SUPP_HT_RATES
},
3554 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
3555 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
3558 static int nl80211_parse_tx_bitrate_mask(struct genl_info
*info
,
3559 struct cfg80211_bitrate_mask
*mask
)
3561 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
3562 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3564 struct nlattr
*tx_rates
;
3565 struct ieee80211_supported_band
*sband
;
3568 memset(mask
, 0, sizeof(*mask
));
3569 /* Default to all rates enabled */
3570 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++) {
3571 sband
= rdev
->wiphy
.bands
[i
];
3576 mask
->control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
3577 memcpy(mask
->control
[i
].ht_mcs
,
3578 sband
->ht_cap
.mcs
.rx_mask
,
3579 sizeof(mask
->control
[i
].ht_mcs
));
3581 if (!sband
->vht_cap
.vht_supported
)
3584 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
3585 vht_build_mcs_mask(vht_tx_mcs_map
, mask
->control
[i
].vht_mcs
);
3588 /* if no rates are given set it back to the defaults */
3589 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
3592 /* The nested attribute uses enum nl80211_band as the index. This maps
3593 * directly to the enum nl80211_band values used in cfg80211.
3595 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
3596 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
3597 enum nl80211_band band
= nla_type(tx_rates
);
3600 if (band
< 0 || band
>= NUM_NL80211_BANDS
)
3602 sband
= rdev
->wiphy
.bands
[band
];
3605 err
= nla_parse_nested(tb
, NL80211_TXRATE_MAX
, tx_rates
,
3606 nl80211_txattr_policy
, info
->extack
);
3609 if (tb
[NL80211_TXRATE_LEGACY
]) {
3610 mask
->control
[band
].legacy
= rateset_to_mask(
3612 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
3613 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
3614 if ((mask
->control
[band
].legacy
== 0) &&
3615 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
3618 if (tb
[NL80211_TXRATE_HT
]) {
3619 if (!ht_rateset_to_mask(
3621 nla_data(tb
[NL80211_TXRATE_HT
]),
3622 nla_len(tb
[NL80211_TXRATE_HT
]),
3623 mask
->control
[band
].ht_mcs
))
3626 if (tb
[NL80211_TXRATE_VHT
]) {
3627 if (!vht_set_mcs_mask(
3629 nla_data(tb
[NL80211_TXRATE_VHT
]),
3630 mask
->control
[band
].vht_mcs
))
3633 if (tb
[NL80211_TXRATE_GI
]) {
3634 mask
->control
[band
].gi
=
3635 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
3636 if (mask
->control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
3640 if (mask
->control
[band
].legacy
== 0) {
3641 /* don't allow empty legacy rates if HT or VHT
3642 * are not even supported.
3644 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
3645 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
3648 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
3649 if (mask
->control
[band
].ht_mcs
[i
])
3652 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
3653 if (mask
->control
[band
].vht_mcs
[i
])
3656 /* legacy and mcs rates may not be both empty */
3665 static int validate_beacon_tx_rate(struct cfg80211_registered_device
*rdev
,
3666 enum nl80211_band band
,
3667 struct cfg80211_bitrate_mask
*beacon_rate
)
3669 u32 count_ht
, count_vht
, i
;
3670 u32 rate
= beacon_rate
->control
[band
].legacy
;
3672 /* Allow only one rate */
3673 if (hweight32(rate
) > 1)
3677 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++) {
3678 if (hweight8(beacon_rate
->control
[band
].ht_mcs
[i
]) > 1) {
3680 } else if (beacon_rate
->control
[band
].ht_mcs
[i
]) {
3685 if (count_ht
&& rate
)
3690 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
3691 if (hweight16(beacon_rate
->control
[band
].vht_mcs
[i
]) > 1) {
3693 } else if (beacon_rate
->control
[band
].vht_mcs
[i
]) {
3698 if (count_vht
&& rate
)
3702 if ((count_ht
&& count_vht
) || (!rate
&& !count_ht
&& !count_vht
))
3706 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3707 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY
))
3710 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3711 NL80211_EXT_FEATURE_BEACON_RATE_HT
))
3714 !wiphy_ext_feature_isset(&rdev
->wiphy
,
3715 NL80211_EXT_FEATURE_BEACON_RATE_VHT
))
3721 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3722 struct cfg80211_beacon_data
*bcn
)
3724 bool haveinfo
= false;
3726 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3727 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3728 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3729 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3732 memset(bcn
, 0, sizeof(*bcn
));
3734 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3735 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3736 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3742 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3743 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3744 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3751 if (attrs
[NL80211_ATTR_IE
]) {
3752 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3753 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3756 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3757 bcn
->proberesp_ies
=
3758 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3759 bcn
->proberesp_ies_len
=
3760 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3763 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3764 bcn
->assocresp_ies
=
3765 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3766 bcn
->assocresp_ies_len
=
3767 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3770 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3771 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3772 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3778 static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings
*params
,
3786 for (i
= 0; i
< rates
[1]; i
++) {
3787 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_HT_PHY
)
3788 params
->ht_required
= true;
3789 if (rates
[2 + i
] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY
)
3790 params
->vht_required
= true;
3795 * Since the nl80211 API didn't include, from the beginning, attributes about
3796 * HT/VHT requirements/capabilities, we parse them out of the IEs for the
3797 * benefit of drivers that rebuild IEs in the firmware.
3799 static void nl80211_calculate_ap_params(struct cfg80211_ap_settings
*params
)
3801 const struct cfg80211_beacon_data
*bcn
= ¶ms
->beacon
;
3802 size_t ies_len
= bcn
->tail_len
;
3803 const u8
*ies
= bcn
->tail
;
3807 rates
= cfg80211_find_ie(WLAN_EID_SUPP_RATES
, ies
, ies_len
);
3808 nl80211_check_ap_rate_selectors(params
, rates
);
3810 rates
= cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES
, ies
, ies_len
);
3811 nl80211_check_ap_rate_selectors(params
, rates
);
3813 cap
= cfg80211_find_ie(WLAN_EID_HT_CAPABILITY
, ies
, ies_len
);
3814 if (cap
&& cap
[1] >= sizeof(*params
->ht_cap
))
3815 params
->ht_cap
= (void *)(cap
+ 2);
3816 cap
= cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY
, ies
, ies_len
);
3817 if (cap
&& cap
[1] >= sizeof(*params
->vht_cap
))
3818 params
->vht_cap
= (void *)(cap
+ 2);
3821 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3822 struct cfg80211_ap_settings
*params
)
3824 struct wireless_dev
*wdev
;
3827 list_for_each_entry(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
3828 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3829 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3832 if (!wdev
->preset_chandef
.chan
)
3835 params
->chandef
= wdev
->preset_chandef
;
3843 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3844 enum nl80211_auth_type auth_type
,
3845 enum nl80211_commands cmd
)
3847 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3851 case NL80211_CMD_AUTHENTICATE
:
3852 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3853 auth_type
== NL80211_AUTHTYPE_SAE
)
3855 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
3856 NL80211_EXT_FEATURE_FILS_STA
) &&
3857 (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3858 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3859 auth_type
== NL80211_AUTHTYPE_FILS_PK
))
3862 case NL80211_CMD_CONNECT
:
3863 /* SAE not supported yet */
3864 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3866 /* FILS with SK PFS or PK not supported yet */
3867 if (auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3868 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3870 if (!wiphy_ext_feature_isset(
3872 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
3873 auth_type
== NL80211_AUTHTYPE_FILS_SK
)
3876 case NL80211_CMD_START_AP
:
3877 /* SAE not supported yet */
3878 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3880 /* FILS not supported yet */
3881 if (auth_type
== NL80211_AUTHTYPE_FILS_SK
||
3882 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
3883 auth_type
== NL80211_AUTHTYPE_FILS_PK
)
3891 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3893 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3894 struct net_device
*dev
= info
->user_ptr
[1];
3895 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3896 struct cfg80211_ap_settings params
;
3899 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3900 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3903 if (!rdev
->ops
->start_ap
)
3906 if (wdev
->beacon_interval
)
3909 memset(¶ms
, 0, sizeof(params
));
3911 /* these are required for START_AP */
3912 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3913 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3914 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3917 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3921 params
.beacon_interval
=
3922 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3923 params
.dtim_period
=
3924 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3926 err
= cfg80211_validate_beacon_int(rdev
, dev
->ieee80211_ptr
->iftype
,
3927 params
.beacon_interval
);
3932 * In theory, some of these attributes should be required here
3933 * but since they were not used when the command was originally
3934 * added, keep them optional for old user space programs to let
3935 * them continue to work with drivers that do not need the
3936 * additional information -- drivers must check!
3938 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3939 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3941 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3942 if (params
.ssid_len
== 0 ||
3943 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3947 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3948 params
.hidden_ssid
= nla_get_u32(
3949 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3950 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3951 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3952 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3956 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3958 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3959 params
.auth_type
= nla_get_u32(
3960 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3961 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3962 NL80211_CMD_START_AP
))
3965 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3967 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3968 NL80211_MAX_NR_CIPHER_SUITES
);
3972 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3973 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3975 params
.inactivity_timeout
= nla_get_u16(
3976 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3979 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3980 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3982 params
.p2p_ctwindow
=
3983 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3984 if (params
.p2p_ctwindow
> 127)
3986 if (params
.p2p_ctwindow
!= 0 &&
3987 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3991 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3994 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3996 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3999 params
.p2p_opp_ps
= tmp
;
4000 if (params
.p2p_opp_ps
!= 0 &&
4001 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4005 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4006 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
4009 } else if (wdev
->preset_chandef
.chan
) {
4010 params
.chandef
= wdev
->preset_chandef
;
4011 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
4014 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
4018 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
4019 err
= nl80211_parse_tx_bitrate_mask(info
, ¶ms
.beacon_rate
);
4023 err
= validate_beacon_tx_rate(rdev
, params
.chandef
.chan
->band
,
4024 ¶ms
.beacon_rate
);
4029 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
4031 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
4032 switch (params
.smps_mode
) {
4033 case NL80211_SMPS_OFF
:
4035 case NL80211_SMPS_STATIC
:
4036 if (!(rdev
->wiphy
.features
&
4037 NL80211_FEATURE_STATIC_SMPS
))
4040 case NL80211_SMPS_DYNAMIC
:
4041 if (!(rdev
->wiphy
.features
&
4042 NL80211_FEATURE_DYNAMIC_SMPS
))
4049 params
.smps_mode
= NL80211_SMPS_OFF
;
4052 params
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
4053 if (params
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
])
4056 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
4057 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
4058 if (IS_ERR(params
.acl
))
4059 return PTR_ERR(params
.acl
);
4062 nl80211_calculate_ap_params(¶ms
);
4065 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
4067 wdev
->preset_chandef
= params
.chandef
;
4068 wdev
->beacon_interval
= params
.beacon_interval
;
4069 wdev
->chandef
= params
.chandef
;
4070 wdev
->ssid_len
= params
.ssid_len
;
4071 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
4080 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
4082 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4083 struct net_device
*dev
= info
->user_ptr
[1];
4084 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4085 struct cfg80211_beacon_data params
;
4088 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4089 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4092 if (!rdev
->ops
->change_beacon
)
4095 if (!wdev
->beacon_interval
)
4098 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
4103 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
4109 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
4111 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4112 struct net_device
*dev
= info
->user_ptr
[1];
4114 return cfg80211_stop_ap(rdev
, dev
, false);
4117 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
4118 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
4119 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
4120 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
4121 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
4122 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
4123 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
4126 static int parse_station_flags(struct genl_info
*info
,
4127 enum nl80211_iftype iftype
,
4128 struct station_parameters
*params
)
4130 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
4135 * Try parsing the new attribute first so userspace
4136 * can specify both for older kernels.
4138 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
4140 struct nl80211_sta_flag_update
*sta_flags
;
4142 sta_flags
= nla_data(nla
);
4143 params
->sta_flags_mask
= sta_flags
->mask
;
4144 params
->sta_flags_set
= sta_flags
->set
;
4145 params
->sta_flags_set
&= params
->sta_flags_mask
;
4146 if ((params
->sta_flags_mask
|
4147 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
4152 /* if present, parse the old attribute */
4154 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
4158 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
, nla
,
4159 sta_flags_policy
, info
->extack
))
4163 * Only allow certain flags for interface types so that
4164 * other attributes are silently ignored. Remember that
4165 * this is backward compatibility code with old userspace
4166 * and shouldn't be hit in other cases anyway.
4169 case NL80211_IFTYPE_AP
:
4170 case NL80211_IFTYPE_AP_VLAN
:
4171 case NL80211_IFTYPE_P2P_GO
:
4172 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4173 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4174 BIT(NL80211_STA_FLAG_WME
) |
4175 BIT(NL80211_STA_FLAG_MFP
);
4177 case NL80211_IFTYPE_P2P_CLIENT
:
4178 case NL80211_IFTYPE_STATION
:
4179 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4180 BIT(NL80211_STA_FLAG_TDLS_PEER
);
4182 case NL80211_IFTYPE_MESH_POINT
:
4183 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4184 BIT(NL80211_STA_FLAG_MFP
) |
4185 BIT(NL80211_STA_FLAG_AUTHORIZED
);
4190 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
4192 params
->sta_flags_set
|= (1<<flag
);
4194 /* no longer support new API additions in old API */
4195 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
4203 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
4206 struct nlattr
*rate
;
4209 enum nl80211_rate_info rate_flg
;
4211 rate
= nla_nest_start(msg
, attr
);
4215 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
4216 bitrate
= cfg80211_calculate_bitrate(info
);
4217 /* report 16-bit bitrate only if we can */
4218 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
4220 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
4222 if (bitrate_compat
> 0 &&
4223 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
4227 case RATE_INFO_BW_5
:
4228 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
4230 case RATE_INFO_BW_10
:
4231 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
4236 case RATE_INFO_BW_20
:
4239 case RATE_INFO_BW_40
:
4240 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
4242 case RATE_INFO_BW_80
:
4243 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
4245 case RATE_INFO_BW_160
:
4246 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
4250 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
4253 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
4254 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
4256 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4257 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4259 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
4260 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
4262 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
4264 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
4265 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
4269 nla_nest_end(msg
, rate
);
4273 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
4282 attr
= nla_nest_start(msg
, id
);
4286 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
4287 if (!(mask
& BIT(i
)))
4290 if (nla_put_u8(msg
, i
, signal
[i
]))
4294 nla_nest_end(msg
, attr
);
4299 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
4301 struct cfg80211_registered_device
*rdev
,
4302 struct net_device
*dev
,
4303 const u8
*mac_addr
, struct station_info
*sinfo
)
4306 struct nlattr
*sinfoattr
, *bss_param
;
4308 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
4312 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4313 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
4314 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
4315 goto nla_put_failure
;
4317 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
4319 goto nla_put_failure
;
4321 #define PUT_SINFO(attr, memb, type) do { \
4322 BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \
4323 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4324 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
4326 goto nla_put_failure; \
4328 #define PUT_SINFO_U64(attr, memb) do { \
4329 if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \
4330 nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \
4331 sinfo->memb, NL80211_STA_INFO_PAD)) \
4332 goto nla_put_failure; \
4335 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
4336 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
4338 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
4339 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
4340 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
4341 (u32
)sinfo
->rx_bytes
))
4342 goto nla_put_failure
;
4344 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
4345 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
4346 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
4347 (u32
)sinfo
->tx_bytes
))
4348 goto nla_put_failure
;
4350 PUT_SINFO_U64(RX_BYTES64
, rx_bytes
);
4351 PUT_SINFO_U64(TX_BYTES64
, tx_bytes
);
4352 PUT_SINFO(LLID
, llid
, u16
);
4353 PUT_SINFO(PLID
, plid
, u16
);
4354 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
4355 PUT_SINFO_U64(RX_DURATION
, rx_duration
);
4357 switch (rdev
->wiphy
.signal_type
) {
4358 case CFG80211_SIGNAL_TYPE_MBM
:
4359 PUT_SINFO(SIGNAL
, signal
, u8
);
4360 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
4365 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
4366 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4367 sinfo
->chain_signal
,
4368 NL80211_STA_INFO_CHAIN_SIGNAL
))
4369 goto nla_put_failure
;
4371 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
4372 if (!nl80211_put_signal(msg
, sinfo
->chains
,
4373 sinfo
->chain_signal_avg
,
4374 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
4375 goto nla_put_failure
;
4377 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
4378 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
4379 NL80211_STA_INFO_TX_BITRATE
))
4380 goto nla_put_failure
;
4382 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
4383 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
4384 NL80211_STA_INFO_RX_BITRATE
))
4385 goto nla_put_failure
;
4388 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
4389 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
4390 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
4391 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
4392 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
4393 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
4394 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
4395 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
4396 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
4398 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
4399 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
4401 goto nla_put_failure
;
4403 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
4404 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
4405 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
4406 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
4407 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
4408 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
4409 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
4410 sinfo
->bss_param
.dtim_period
) ||
4411 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
4412 sinfo
->bss_param
.beacon_interval
))
4413 goto nla_put_failure
;
4415 nla_nest_end(msg
, bss_param
);
4417 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
4418 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
4419 sizeof(struct nl80211_sta_flag_update
),
4421 goto nla_put_failure
;
4423 PUT_SINFO_U64(T_OFFSET
, t_offset
);
4424 PUT_SINFO_U64(RX_DROP_MISC
, rx_dropped_misc
);
4425 PUT_SINFO_U64(BEACON_RX
, rx_beacon
);
4426 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
4429 #undef PUT_SINFO_U64
4431 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
4432 struct nlattr
*tidsattr
;
4435 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
4437 goto nla_put_failure
;
4439 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
4440 struct cfg80211_tid_stats
*tidstats
;
4441 struct nlattr
*tidattr
;
4443 tidstats
= &sinfo
->pertid
[tid
];
4445 if (!tidstats
->filled
)
4448 tidattr
= nla_nest_start(msg
, tid
+ 1);
4450 goto nla_put_failure
;
4452 #define PUT_TIDVAL_U64(attr, memb) do { \
4453 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
4454 nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \
4455 tidstats->memb, NL80211_TID_STATS_PAD)) \
4456 goto nla_put_failure; \
4459 PUT_TIDVAL_U64(RX_MSDU
, rx_msdu
);
4460 PUT_TIDVAL_U64(TX_MSDU
, tx_msdu
);
4461 PUT_TIDVAL_U64(TX_MSDU_RETRIES
, tx_msdu_retries
);
4462 PUT_TIDVAL_U64(TX_MSDU_FAILED
, tx_msdu_failed
);
4464 #undef PUT_TIDVAL_U64
4465 nla_nest_end(msg
, tidattr
);
4468 nla_nest_end(msg
, tidsattr
);
4471 nla_nest_end(msg
, sinfoattr
);
4473 if (sinfo
->assoc_req_ies_len
&&
4474 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
4475 sinfo
->assoc_req_ies
))
4476 goto nla_put_failure
;
4478 genlmsg_end(msg
, hdr
);
4482 genlmsg_cancel(msg
, hdr
);
4486 static int nl80211_dump_station(struct sk_buff
*skb
,
4487 struct netlink_callback
*cb
)
4489 struct station_info sinfo
;
4490 struct cfg80211_registered_device
*rdev
;
4491 struct wireless_dev
*wdev
;
4492 u8 mac_addr
[ETH_ALEN
];
4493 int sta_idx
= cb
->args
[2];
4497 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4501 if (!wdev
->netdev
) {
4506 if (!rdev
->ops
->dump_station
) {
4512 memset(&sinfo
, 0, sizeof(sinfo
));
4513 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
4520 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
4521 NETLINK_CB(cb
->skb
).portid
,
4522 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4523 rdev
, wdev
->netdev
, mac_addr
,
4531 cb
->args
[2] = sta_idx
;
4539 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
4541 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4542 struct net_device
*dev
= info
->user_ptr
[1];
4543 struct station_info sinfo
;
4544 struct sk_buff
*msg
;
4545 u8
*mac_addr
= NULL
;
4548 memset(&sinfo
, 0, sizeof(sinfo
));
4550 if (!info
->attrs
[NL80211_ATTR_MAC
])
4553 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4555 if (!rdev
->ops
->get_station
)
4558 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
4562 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4566 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
4567 info
->snd_portid
, info
->snd_seq
, 0,
4568 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
4573 return genlmsg_reply(msg
, info
);
4576 int cfg80211_check_station_change(struct wiphy
*wiphy
,
4577 struct station_parameters
*params
,
4578 enum cfg80211_station_type statype
)
4580 if (params
->listen_interval
!= -1 &&
4581 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4584 if (params
->support_p2p_ps
!= -1 &&
4585 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4589 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
4590 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
4593 /* When you run into this, adjust the code below for the new flag */
4594 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4597 case CFG80211_STA_MESH_PEER_KERNEL
:
4598 case CFG80211_STA_MESH_PEER_USER
:
4600 * No ignoring the TDLS flag here -- the userspace mesh
4601 * code doesn't have the bug of including TDLS in the
4604 if (params
->sta_flags_mask
&
4605 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4606 BIT(NL80211_STA_FLAG_MFP
) |
4607 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4610 case CFG80211_STA_TDLS_PEER_SETUP
:
4611 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4612 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4614 /* ignore since it can't change */
4615 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4618 /* disallow mesh-specific things */
4619 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4621 if (params
->local_pm
)
4623 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4627 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4628 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4629 /* TDLS can't be set, ... */
4630 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4633 * ... but don't bother the driver with it. This works around
4634 * a hostapd/wpa_supplicant issue -- it always includes the
4635 * TLDS_PEER flag in the mask even for AP mode.
4637 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4640 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4641 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4642 /* reject other things that can't change */
4643 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4645 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4647 if (params
->supported_rates
)
4649 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4653 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4654 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4660 case CFG80211_STA_AP_MLME_CLIENT
:
4661 /* Use this only for authorizing/unauthorizing a station */
4662 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4665 case CFG80211_STA_AP_CLIENT
:
4666 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4667 /* accept only the listed bits */
4668 if (params
->sta_flags_mask
&
4669 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4670 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4671 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4672 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4673 BIT(NL80211_STA_FLAG_WME
) |
4674 BIT(NL80211_STA_FLAG_MFP
)))
4677 /* but authenticated/associated only if driver handles it */
4678 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4679 params
->sta_flags_mask
&
4680 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4681 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4684 case CFG80211_STA_IBSS
:
4685 case CFG80211_STA_AP_STA
:
4686 /* reject any changes other than AUTHORIZED */
4687 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4690 case CFG80211_STA_TDLS_PEER_SETUP
:
4691 /* reject any changes other than AUTHORIZED or WME */
4692 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4693 BIT(NL80211_STA_FLAG_WME
)))
4695 /* force (at least) rates when authorizing */
4696 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4697 !params
->supported_rates
)
4700 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4701 /* reject any changes */
4703 case CFG80211_STA_MESH_PEER_KERNEL
:
4704 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4707 case CFG80211_STA_MESH_PEER_USER
:
4708 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4709 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4715 * Older kernel versions ignored this attribute entirely, so don't
4716 * reject attempts to update it but mark it as unused instead so the
4717 * driver won't look at the data.
4719 if (statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
&&
4720 statype
!= CFG80211_STA_TDLS_PEER_SETUP
)
4721 params
->opmode_notif_used
= false;
4725 EXPORT_SYMBOL(cfg80211_check_station_change
);
4728 * Get vlan interface making sure it is running and on the right wiphy.
4730 static struct net_device
*get_vlan(struct genl_info
*info
,
4731 struct cfg80211_registered_device
*rdev
)
4733 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4734 struct net_device
*v
;
4740 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4742 return ERR_PTR(-ENODEV
);
4744 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4749 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4750 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4751 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4756 if (!netif_running(v
)) {
4764 return ERR_PTR(ret
);
4767 static const struct nla_policy
4768 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4769 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4770 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4773 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4774 struct station_parameters
*params
)
4776 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4780 /* parse WME attributes if present */
4781 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4784 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4785 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4786 nl80211_sta_wme_policy
, info
->extack
);
4790 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4791 params
->uapsd_queues
= nla_get_u8(
4792 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4793 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4796 if (tb
[NL80211_STA_WME_MAX_SP
])
4797 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4799 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4802 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4807 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4808 struct station_parameters
*params
)
4810 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4811 params
->supported_channels
=
4812 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4813 params
->supported_channels_len
=
4814 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4816 * Need to include at least one (first channel, number of
4817 * channels) tuple for each subband, and must have proper
4818 * tuples for the rest of the data as well.
4820 if (params
->supported_channels_len
< 2)
4822 if (params
->supported_channels_len
% 2)
4826 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4827 params
->supported_oper_classes
=
4828 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4829 params
->supported_oper_classes_len
=
4830 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4832 * The value of the Length field of the Supported Operating
4833 * Classes element is between 2 and 253.
4835 if (params
->supported_oper_classes_len
< 2 ||
4836 params
->supported_oper_classes_len
> 253)
4842 static int nl80211_set_station_tdls(struct genl_info
*info
,
4843 struct station_parameters
*params
)
4846 /* Dummy STA entry gets updated once the peer capabilities are known */
4847 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4848 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4849 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4851 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4852 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4854 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4856 err
= nl80211_parse_sta_channel_info(info
, params
);
4860 return nl80211_parse_sta_wme(info
, params
);
4863 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4865 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4866 struct net_device
*dev
= info
->user_ptr
[1];
4867 struct station_parameters params
;
4871 memset(¶ms
, 0, sizeof(params
));
4873 if (!rdev
->ops
->change_station
)
4877 * AID and listen_interval properties can be set only for unassociated
4878 * station. Include these parameters here and will check them in
4879 * cfg80211_check_station_change().
4881 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4882 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4884 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4885 params
.listen_interval
=
4886 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4888 params
.listen_interval
= -1;
4890 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
4893 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
4894 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
4897 params
.support_p2p_ps
= tmp
;
4899 params
.support_p2p_ps
= -1;
4902 if (!info
->attrs
[NL80211_ATTR_MAC
])
4905 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4907 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4908 params
.supported_rates
=
4909 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4910 params
.supported_rates_len
=
4911 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4914 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4916 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4917 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4920 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4922 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4923 params
.ext_capab_len
=
4924 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4927 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4930 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4931 params
.plink_action
=
4932 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4933 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4937 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4938 params
.plink_state
=
4939 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4940 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4942 if (info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]) {
4943 params
.peer_aid
= nla_get_u16(
4944 info
->attrs
[NL80211_ATTR_MESH_PEER_AID
]);
4945 if (params
.peer_aid
> IEEE80211_MAX_AID
)
4948 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4951 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4952 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4953 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4955 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4956 pm
> NL80211_MESH_POWER_MAX
)
4959 params
.local_pm
= pm
;
4962 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4963 params
.opmode_notif_used
= true;
4964 params
.opmode_notif
=
4965 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4968 /* Include parameters for TDLS peer (will check later) */
4969 err
= nl80211_set_station_tdls(info
, ¶ms
);
4973 params
.vlan
= get_vlan(info
, rdev
);
4974 if (IS_ERR(params
.vlan
))
4975 return PTR_ERR(params
.vlan
);
4977 switch (dev
->ieee80211_ptr
->iftype
) {
4978 case NL80211_IFTYPE_AP
:
4979 case NL80211_IFTYPE_AP_VLAN
:
4980 case NL80211_IFTYPE_P2P_GO
:
4981 case NL80211_IFTYPE_P2P_CLIENT
:
4982 case NL80211_IFTYPE_STATION
:
4983 case NL80211_IFTYPE_ADHOC
:
4984 case NL80211_IFTYPE_MESH_POINT
:
4991 /* driver will call cfg80211_check_station_change() */
4992 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4996 dev_put(params
.vlan
);
5001 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
5003 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5005 struct net_device
*dev
= info
->user_ptr
[1];
5006 struct station_parameters params
;
5007 u8
*mac_addr
= NULL
;
5008 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
5009 BIT(NL80211_STA_FLAG_ASSOCIATED
);
5011 memset(¶ms
, 0, sizeof(params
));
5013 if (!rdev
->ops
->add_station
)
5016 if (!info
->attrs
[NL80211_ATTR_MAC
])
5019 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
5022 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
5025 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
5026 !info
->attrs
[NL80211_ATTR_PEER_AID
])
5029 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5030 params
.supported_rates
=
5031 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5032 params
.supported_rates_len
=
5033 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
5034 params
.listen_interval
=
5035 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
5037 if (info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]) {
5040 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_STA_SUPPORT_P2P_PS
]);
5041 if (tmp
>= NUM_NL80211_P2P_PS_STATUS
)
5044 params
.support_p2p_ps
= tmp
;
5047 * if not specified, assume it's supported for P2P GO interface,
5048 * and is NOT supported for AP interface
5050 params
.support_p2p_ps
=
5051 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
;
5054 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
5055 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
5057 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
5058 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
5061 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
5063 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
5064 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
5067 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
5069 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5070 params
.ext_capab_len
=
5071 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
5074 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
5076 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5078 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
5080 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
5082 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
5083 params
.opmode_notif_used
= true;
5084 params
.opmode_notif
=
5085 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
5088 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
5089 params
.plink_action
=
5090 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
5091 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
5095 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
5099 err
= nl80211_parse_sta_wme(info
, ¶ms
);
5103 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
5106 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
5107 * as userspace might just pass through the capabilities from the IEs
5108 * directly, rather than enforcing this restriction and returning an
5109 * error in this case.
5111 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
5112 params
.ht_capa
= NULL
;
5113 params
.vht_capa
= NULL
;
5116 /* When you run into this, adjust the code below for the new flag */
5117 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
5119 switch (dev
->ieee80211_ptr
->iftype
) {
5120 case NL80211_IFTYPE_AP
:
5121 case NL80211_IFTYPE_AP_VLAN
:
5122 case NL80211_IFTYPE_P2P_GO
:
5123 /* ignore WME attributes if iface/sta is not capable */
5124 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
5125 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
5126 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5128 /* TDLS peers cannot be added */
5129 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5130 info
->attrs
[NL80211_ATTR_PEER_AID
])
5132 /* but don't bother the driver with it */
5133 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
5135 /* allow authenticated/associated only if driver handles it */
5136 if (!(rdev
->wiphy
.features
&
5137 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
5138 params
.sta_flags_mask
& auth_assoc
)
5141 /* Older userspace, or userspace wanting to be compatible with
5142 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
5143 * and assoc flags in the mask, but assumes the station will be
5144 * added as associated anyway since this was the required driver
5145 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
5147 * In order to not bother drivers with this quirk in the API
5148 * set the flags in both the mask and set for new stations in
5151 if (!(params
.sta_flags_mask
& auth_assoc
)) {
5152 params
.sta_flags_mask
|= auth_assoc
;
5153 params
.sta_flags_set
|= auth_assoc
;
5156 /* must be last in here for error handling */
5157 params
.vlan
= get_vlan(info
, rdev
);
5158 if (IS_ERR(params
.vlan
))
5159 return PTR_ERR(params
.vlan
);
5161 case NL80211_IFTYPE_MESH_POINT
:
5162 /* ignore uAPSD data */
5163 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5165 /* associated is disallowed */
5166 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
5168 /* TDLS peers cannot be added */
5169 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
5170 info
->attrs
[NL80211_ATTR_PEER_AID
])
5173 case NL80211_IFTYPE_STATION
:
5174 case NL80211_IFTYPE_P2P_CLIENT
:
5175 /* ignore uAPSD data */
5176 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
5178 /* these are disallowed */
5179 if (params
.sta_flags_mask
&
5180 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
5181 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
5183 /* Only TDLS peers can be added */
5184 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
5186 /* Can only add if TDLS ... */
5187 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
5189 /* ... with external setup is supported */
5190 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
5193 * Older wpa_supplicant versions always mark the TDLS peer
5194 * as authorized, but it shouldn't yet be.
5196 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
5202 /* be aware of params.vlan when changing code here */
5204 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
5207 dev_put(params
.vlan
);
5211 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
5213 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5214 struct net_device
*dev
= info
->user_ptr
[1];
5215 struct station_del_parameters params
;
5217 memset(¶ms
, 0, sizeof(params
));
5219 if (info
->attrs
[NL80211_ATTR_MAC
])
5220 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5222 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5223 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5224 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5225 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5228 if (!rdev
->ops
->del_station
)
5231 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
5233 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
5234 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
5235 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
5238 /* Default to Deauthentication frame */
5239 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
5242 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
5243 params
.reason_code
=
5244 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5245 if (params
.reason_code
== 0)
5246 return -EINVAL
; /* 0 is reserved */
5248 /* Default to reason code 2 */
5249 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
5252 return rdev_del_station(rdev
, dev
, ¶ms
);
5255 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5256 int flags
, struct net_device
*dev
,
5257 u8
*dst
, u8
*next_hop
,
5258 struct mpath_info
*pinfo
)
5261 struct nlattr
*pinfoattr
;
5263 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
5267 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5268 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
5269 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
5270 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
5271 goto nla_put_failure
;
5273 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
5275 goto nla_put_failure
;
5276 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
5277 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
5279 goto nla_put_failure
;
5280 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
5281 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
5282 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
5283 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
5285 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
5286 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
5288 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
5289 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
5291 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
5292 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
5293 pinfo
->discovery_timeout
)) ||
5294 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
5295 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
5296 pinfo
->discovery_retries
)))
5297 goto nla_put_failure
;
5299 nla_nest_end(msg
, pinfoattr
);
5301 genlmsg_end(msg
, hdr
);
5305 genlmsg_cancel(msg
, hdr
);
5309 static int nl80211_dump_mpath(struct sk_buff
*skb
,
5310 struct netlink_callback
*cb
)
5312 struct mpath_info pinfo
;
5313 struct cfg80211_registered_device
*rdev
;
5314 struct wireless_dev
*wdev
;
5316 u8 next_hop
[ETH_ALEN
];
5317 int path_idx
= cb
->args
[2];
5321 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5325 if (!rdev
->ops
->dump_mpath
) {
5330 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5336 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
5343 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5344 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5345 wdev
->netdev
, dst
, next_hop
,
5353 cb
->args
[2] = path_idx
;
5360 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5362 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5364 struct net_device
*dev
= info
->user_ptr
[1];
5365 struct mpath_info pinfo
;
5366 struct sk_buff
*msg
;
5368 u8 next_hop
[ETH_ALEN
];
5370 memset(&pinfo
, 0, sizeof(pinfo
));
5372 if (!info
->attrs
[NL80211_ATTR_MAC
])
5375 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5377 if (!rdev
->ops
->get_mpath
)
5380 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5383 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
5387 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5391 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5392 dev
, dst
, next_hop
, &pinfo
) < 0) {
5397 return genlmsg_reply(msg
, info
);
5400 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5402 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5403 struct net_device
*dev
= info
->user_ptr
[1];
5405 u8
*next_hop
= NULL
;
5407 if (!info
->attrs
[NL80211_ATTR_MAC
])
5410 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5413 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5414 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5416 if (!rdev
->ops
->change_mpath
)
5419 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5422 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
5425 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5427 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5428 struct net_device
*dev
= info
->user_ptr
[1];
5430 u8
*next_hop
= NULL
;
5432 if (!info
->attrs
[NL80211_ATTR_MAC
])
5435 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
5438 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5439 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
5441 if (!rdev
->ops
->add_mpath
)
5444 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5447 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
5450 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
5452 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5453 struct net_device
*dev
= info
->user_ptr
[1];
5456 if (info
->attrs
[NL80211_ATTR_MAC
])
5457 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5459 if (!rdev
->ops
->del_mpath
)
5462 return rdev_del_mpath(rdev
, dev
, dst
);
5465 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
5467 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5469 struct net_device
*dev
= info
->user_ptr
[1];
5470 struct mpath_info pinfo
;
5471 struct sk_buff
*msg
;
5475 memset(&pinfo
, 0, sizeof(pinfo
));
5477 if (!info
->attrs
[NL80211_ATTR_MAC
])
5480 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5482 if (!rdev
->ops
->get_mpp
)
5485 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5488 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
5492 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5496 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5497 dev
, dst
, mpp
, &pinfo
) < 0) {
5502 return genlmsg_reply(msg
, info
);
5505 static int nl80211_dump_mpp(struct sk_buff
*skb
,
5506 struct netlink_callback
*cb
)
5508 struct mpath_info pinfo
;
5509 struct cfg80211_registered_device
*rdev
;
5510 struct wireless_dev
*wdev
;
5513 int path_idx
= cb
->args
[2];
5517 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5521 if (!rdev
->ops
->dump_mpp
) {
5526 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
5532 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
5539 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
5540 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5541 wdev
->netdev
, dst
, mpp
,
5549 cb
->args
[2] = path_idx
;
5556 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
5558 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5559 struct net_device
*dev
= info
->user_ptr
[1];
5560 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5561 struct bss_parameters params
;
5564 memset(¶ms
, 0, sizeof(params
));
5565 /* default to not changing parameters */
5566 params
.use_cts_prot
= -1;
5567 params
.use_short_preamble
= -1;
5568 params
.use_short_slot_time
= -1;
5569 params
.ap_isolate
= -1;
5570 params
.ht_opmode
= -1;
5571 params
.p2p_ctwindow
= -1;
5572 params
.p2p_opp_ps
= -1;
5574 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
5575 params
.use_cts_prot
=
5576 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
5577 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
5578 params
.use_short_preamble
=
5579 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
5580 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
5581 params
.use_short_slot_time
=
5582 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
5583 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5584 params
.basic_rates
=
5585 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5586 params
.basic_rates_len
=
5587 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5589 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
5590 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
5591 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
5593 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
5595 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
5596 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5598 params
.p2p_ctwindow
=
5599 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
5600 if (params
.p2p_ctwindow
< 0)
5602 if (params
.p2p_ctwindow
!= 0 &&
5603 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
5607 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
5610 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5612 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
5615 params
.p2p_opp_ps
= tmp
;
5616 if (params
.p2p_opp_ps
&&
5617 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
5621 if (!rdev
->ops
->change_bss
)
5624 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5625 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5629 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
5635 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5639 enum nl80211_user_reg_hint_type user_reg_hint_type
;
5643 * You should only get this when cfg80211 hasn't yet initialized
5644 * completely when built-in to the kernel right between the time
5645 * window between nl80211_init() and regulatory_init(), if that is
5648 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
5649 return -EINPROGRESS
;
5651 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
5652 user_reg_hint_type
=
5653 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
5655 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
5657 switch (user_reg_hint_type
) {
5658 case NL80211_USER_REG_HINT_USER
:
5659 case NL80211_USER_REG_HINT_CELL_BASE
:
5660 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5663 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5664 return regulatory_hint_user(data
, user_reg_hint_type
);
5665 case NL80211_USER_REG_HINT_INDOOR
:
5666 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5667 owner_nlportid
= info
->snd_portid
;
5668 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5674 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5680 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5681 struct genl_info
*info
)
5683 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5684 struct net_device
*dev
= info
->user_ptr
[1];
5685 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5686 struct mesh_config cur_params
;
5689 struct nlattr
*pinfoattr
;
5690 struct sk_buff
*msg
;
5692 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5695 if (!rdev
->ops
->get_mesh_config
)
5699 /* If not connected, get default parameters */
5700 if (!wdev
->mesh_id_len
)
5701 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5703 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5709 /* Draw up a netlink message to send back */
5710 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5713 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5714 NL80211_CMD_GET_MESH_CONFIG
);
5717 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5719 goto nla_put_failure
;
5720 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5721 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5722 cur_params
.dot11MeshRetryTimeout
) ||
5723 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5724 cur_params
.dot11MeshConfirmTimeout
) ||
5725 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5726 cur_params
.dot11MeshHoldingTimeout
) ||
5727 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5728 cur_params
.dot11MeshMaxPeerLinks
) ||
5729 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5730 cur_params
.dot11MeshMaxRetries
) ||
5731 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5732 cur_params
.dot11MeshTTL
) ||
5733 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5734 cur_params
.element_ttl
) ||
5735 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5736 cur_params
.auto_open_plinks
) ||
5737 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5738 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5739 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5740 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5741 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5742 cur_params
.path_refresh_time
) ||
5743 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5744 cur_params
.min_discovery_timeout
) ||
5745 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5746 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5747 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5748 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5749 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5750 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5751 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5752 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5753 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5754 cur_params
.dot11MeshHWMPRootMode
) ||
5755 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5756 cur_params
.dot11MeshHWMPRannInterval
) ||
5757 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5758 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5759 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5760 cur_params
.dot11MeshForwarding
) ||
5761 nla_put_s32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5762 cur_params
.rssi_threshold
) ||
5763 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5764 cur_params
.ht_opmode
) ||
5765 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5766 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5767 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5768 cur_params
.dot11MeshHWMProotInterval
) ||
5769 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5770 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5771 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5772 cur_params
.power_mode
) ||
5773 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5774 cur_params
.dot11MeshAwakeWindowDuration
) ||
5775 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5776 cur_params
.plink_timeout
))
5777 goto nla_put_failure
;
5778 nla_nest_end(msg
, pinfoattr
);
5779 genlmsg_end(msg
, hdr
);
5780 return genlmsg_reply(msg
, info
);
5783 genlmsg_cancel(msg
, hdr
);
5789 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5790 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5791 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5792 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5793 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5794 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5795 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5796 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5797 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5798 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5799 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5800 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5801 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5802 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5803 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5804 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5805 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5806 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5807 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5808 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5809 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5810 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5811 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5812 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5813 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5814 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5815 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5816 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5817 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5820 static const struct nla_policy
5821 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5822 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5823 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5824 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5825 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5826 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5827 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5828 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5829 .len
= IEEE80211_MAX_DATA_LEN
},
5830 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5833 static int nl80211_check_bool(const struct nlattr
*nla
, u8 min
, u8 max
, bool *out
)
5835 u8 val
= nla_get_u8(nla
);
5836 if (val
< min
|| val
> max
)
5842 static int nl80211_check_u8(const struct nlattr
*nla
, u8 min
, u8 max
, u8
*out
)
5844 u8 val
= nla_get_u8(nla
);
5845 if (val
< min
|| val
> max
)
5851 static int nl80211_check_u16(const struct nlattr
*nla
, u16 min
, u16 max
, u16
*out
)
5853 u16 val
= nla_get_u16(nla
);
5854 if (val
< min
|| val
> max
)
5860 static int nl80211_check_u32(const struct nlattr
*nla
, u32 min
, u32 max
, u32
*out
)
5862 u32 val
= nla_get_u32(nla
);
5863 if (val
< min
|| val
> max
)
5869 static int nl80211_check_s32(const struct nlattr
*nla
, s32 min
, s32 max
, s32
*out
)
5871 s32 val
= nla_get_s32(nla
);
5872 if (val
< min
|| val
> max
)
5878 static int nl80211_check_power_mode(const struct nlattr
*nla
,
5879 enum nl80211_mesh_power_mode min
,
5880 enum nl80211_mesh_power_mode max
,
5881 enum nl80211_mesh_power_mode
*out
)
5883 u32 val
= nla_get_u32(nla
);
5884 if (val
< min
|| val
> max
)
5890 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5891 struct mesh_config
*cfg
,
5894 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5898 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5901 if (fn(tb[attr], min, max, &cfg->param)) \
5903 mask |= (1 << (attr - 1)); \
5907 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5909 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5910 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5911 nl80211_meshconf_params_policy
, info
->extack
))
5914 /* This makes sure that there aren't more than 32 mesh config
5915 * parameters (otherwise our bitfield scheme would not work.) */
5916 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5918 /* Fill in the params struct */
5919 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5920 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5922 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5923 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5925 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5926 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5928 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5929 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5931 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5932 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5934 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5935 mask
, NL80211_MESHCONF_TTL
, nl80211_check_u8
);
5936 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5937 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5939 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5940 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5941 nl80211_check_bool
);
5942 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5944 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5946 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5947 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5949 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5950 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5952 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5953 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5955 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5957 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5959 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5961 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5963 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5965 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5967 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5968 dot11MeshHWMPnetDiameterTraversalTime
,
5970 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5972 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5973 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5975 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5976 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5978 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5979 dot11MeshGateAnnouncementProtocol
, 0, 1,
5980 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5981 nl80211_check_bool
);
5982 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5983 mask
, NL80211_MESHCONF_FORWARDING
,
5984 nl80211_check_bool
);
5985 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5986 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5989 * Check HT operation mode based on
5990 * IEEE 802.11 2012 8.4.2.59 HT Operation element.
5992 if (tb
[NL80211_MESHCONF_HT_OPMODE
]) {
5993 ht_opmode
= nla_get_u16(tb
[NL80211_MESHCONF_HT_OPMODE
]);
5995 if (ht_opmode
& ~(IEEE80211_HT_OP_MODE_PROTECTION
|
5996 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
|
5997 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6000 if ((ht_opmode
& IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT
) &&
6001 (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6004 switch (ht_opmode
& IEEE80211_HT_OP_MODE_PROTECTION
) {
6005 case IEEE80211_HT_OP_MODE_PROTECTION_NONE
:
6006 case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ
:
6007 if (ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
)
6010 case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER
:
6011 case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
:
6012 if (!(ht_opmode
& IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT
))
6016 cfg
->ht_opmode
= ht_opmode
;
6017 mask
|= (1 << (NL80211_MESHCONF_HT_OPMODE
- 1));
6019 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
6021 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
6023 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
6024 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
6026 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
6027 dot11MeshHWMPconfirmationInterval
,
6029 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
6031 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
6032 NL80211_MESH_POWER_ACTIVE
,
6033 NL80211_MESH_POWER_MAX
,
6034 mask
, NL80211_MESHCONF_POWER_MODE
,
6035 nl80211_check_power_mode
);
6036 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
6038 NL80211_MESHCONF_AWAKE_WINDOW
, nl80211_check_u16
);
6039 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
6040 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
6047 #undef FILL_IN_MESH_PARAM_IF_SET
6050 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
6051 struct mesh_setup
*setup
)
6053 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6054 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
6056 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
6058 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
6059 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
6060 nl80211_mesh_setup_params_policy
, info
->extack
))
6063 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
6064 setup
->sync_method
=
6065 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
6066 IEEE80211_SYNC_METHOD_VENDOR
:
6067 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
6069 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
6070 setup
->path_sel_proto
=
6071 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
6072 IEEE80211_PATH_PROTOCOL_VENDOR
:
6073 IEEE80211_PATH_PROTOCOL_HWMP
;
6075 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
6076 setup
->path_metric
=
6077 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
6078 IEEE80211_PATH_METRIC_VENDOR
:
6079 IEEE80211_PATH_METRIC_AIRTIME
;
6081 if (tb
[NL80211_MESH_SETUP_IE
]) {
6082 struct nlattr
*ieattr
=
6083 tb
[NL80211_MESH_SETUP_IE
];
6084 if (!is_valid_ie_attr(ieattr
))
6086 setup
->ie
= nla_data(ieattr
);
6087 setup
->ie_len
= nla_len(ieattr
);
6089 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
6090 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
6092 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
6093 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
6094 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
6095 if (setup
->is_secure
)
6096 setup
->user_mpm
= true;
6098 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
6099 if (!setup
->user_mpm
)
6102 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
6108 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
6109 struct genl_info
*info
)
6111 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6112 struct net_device
*dev
= info
->user_ptr
[1];
6113 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6114 struct mesh_config cfg
;
6118 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6121 if (!rdev
->ops
->update_mesh_config
)
6124 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
6129 if (!wdev
->mesh_id_len
)
6133 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
6140 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
6141 struct sk_buff
*msg
)
6143 struct nlattr
*nl_reg_rules
;
6146 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
6147 (regdom
->dfs_region
&&
6148 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
6149 goto nla_put_failure
;
6151 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
6153 goto nla_put_failure
;
6155 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
6156 struct nlattr
*nl_reg_rule
;
6157 const struct ieee80211_reg_rule
*reg_rule
;
6158 const struct ieee80211_freq_range
*freq_range
;
6159 const struct ieee80211_power_rule
*power_rule
;
6160 unsigned int max_bandwidth_khz
;
6162 reg_rule
= ®dom
->reg_rules
[i
];
6163 freq_range
= ®_rule
->freq_range
;
6164 power_rule
= ®_rule
->power_rule
;
6166 nl_reg_rule
= nla_nest_start(msg
, i
);
6168 goto nla_put_failure
;
6170 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
6171 if (!max_bandwidth_khz
)
6172 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
6175 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
6177 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
6178 freq_range
->start_freq_khz
) ||
6179 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
6180 freq_range
->end_freq_khz
) ||
6181 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
6182 max_bandwidth_khz
) ||
6183 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
6184 power_rule
->max_antenna_gain
) ||
6185 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
6186 power_rule
->max_eirp
) ||
6187 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
6188 reg_rule
->dfs_cac_ms
))
6189 goto nla_put_failure
;
6191 nla_nest_end(msg
, nl_reg_rule
);
6194 nla_nest_end(msg
, nl_reg_rules
);
6201 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
6203 const struct ieee80211_regdomain
*regdom
= NULL
;
6204 struct cfg80211_registered_device
*rdev
;
6205 struct wiphy
*wiphy
= NULL
;
6206 struct sk_buff
*msg
;
6209 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6213 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6214 NL80211_CMD_GET_REG
);
6218 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
6221 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6224 return PTR_ERR(rdev
);
6227 wiphy
= &rdev
->wiphy
;
6228 self_managed
= wiphy
->regulatory_flags
&
6229 REGULATORY_WIPHY_SELF_MANAGED
;
6230 regdom
= get_wiphy_regdom(wiphy
);
6232 /* a self-managed-reg device must have a private regdom */
6233 if (WARN_ON(!regdom
&& self_managed
)) {
6239 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6240 goto nla_put_failure
;
6243 if (!wiphy
&& reg_last_request_cell_base() &&
6244 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6245 NL80211_USER_REG_HINT_CELL_BASE
))
6246 goto nla_put_failure
;
6251 regdom
= rcu_dereference(cfg80211_regdomain
);
6253 if (nl80211_put_regdom(regdom
, msg
))
6254 goto nla_put_failure_rcu
;
6258 genlmsg_end(msg
, hdr
);
6259 return genlmsg_reply(msg
, info
);
6261 nla_put_failure_rcu
:
6264 genlmsg_cancel(msg
, hdr
);
6270 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6271 u32 seq
, int flags
, struct wiphy
*wiphy
,
6272 const struct ieee80211_regdomain
*regdom
)
6274 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6275 NL80211_CMD_GET_REG
);
6280 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6282 if (nl80211_put_regdom(regdom
, msg
))
6283 goto nla_put_failure
;
6285 if (!wiphy
&& reg_last_request_cell_base() &&
6286 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
6287 NL80211_USER_REG_HINT_CELL_BASE
))
6288 goto nla_put_failure
;
6291 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
6292 goto nla_put_failure
;
6294 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
6295 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
6296 goto nla_put_failure
;
6298 genlmsg_end(msg
, hdr
);
6302 genlmsg_cancel(msg
, hdr
);
6306 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
6307 struct netlink_callback
*cb
)
6309 const struct ieee80211_regdomain
*regdom
= NULL
;
6310 struct cfg80211_registered_device
*rdev
;
6311 int err
, reg_idx
, start
= cb
->args
[2];
6315 if (cfg80211_regdomain
&& start
== 0) {
6316 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6318 rtnl_dereference(cfg80211_regdomain
));
6323 /* the global regdom is idx 0 */
6325 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
6326 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
6330 if (++reg_idx
<= start
)
6333 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
6334 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
6341 cb
->args
[2] = reg_idx
;
6348 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
6349 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
6350 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
6351 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
6352 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
6353 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
6354 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
6355 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
6356 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
6359 static int parse_reg_rule(struct nlattr
*tb
[],
6360 struct ieee80211_reg_rule
*reg_rule
)
6362 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
6363 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
6365 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
6367 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
6369 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
6371 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
6373 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
6376 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
6378 freq_range
->start_freq_khz
=
6379 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
6380 freq_range
->end_freq_khz
=
6381 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
6382 freq_range
->max_bandwidth_khz
=
6383 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
6385 power_rule
->max_eirp
=
6386 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
6388 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
6389 power_rule
->max_antenna_gain
=
6390 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
6392 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
6393 reg_rule
->dfs_cac_ms
=
6394 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
6399 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
6401 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
6402 struct nlattr
*nl_reg_rule
;
6404 int rem_reg_rules
, r
;
6405 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
6406 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
6407 struct ieee80211_regdomain
*rd
;
6409 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
6412 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
6415 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
6417 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
6418 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
6420 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6423 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
6427 if (!reg_is_valid_request(alpha2
))
6430 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
6431 num_rules
* sizeof(struct ieee80211_reg_rule
);
6433 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
6437 rd
->n_reg_rules
= num_rules
;
6438 rd
->alpha2
[0] = alpha2
[0];
6439 rd
->alpha2
[1] = alpha2
[1];
6442 * Disable DFS master mode if the DFS region was
6443 * not supported or known on this kernel.
6445 if (reg_supported_dfs_region(dfs_region
))
6446 rd
->dfs_region
= dfs_region
;
6448 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
6450 r
= nla_parse_nested(tb
, NL80211_REG_RULE_ATTR_MAX
,
6451 nl_reg_rule
, reg_rule_policy
,
6455 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
6461 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
6467 /* set_regdom takes ownership of rd */
6468 return set_regdom(rd
, REGD_SOURCE_CRDA
);
6473 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
6475 static int validate_scan_freqs(struct nlattr
*freqs
)
6477 struct nlattr
*attr1
, *attr2
;
6478 int n_channels
= 0, tmp1
, tmp2
;
6480 nla_for_each_nested(attr1
, freqs
, tmp1
)
6481 if (nla_len(attr1
) != sizeof(u32
))
6484 nla_for_each_nested(attr1
, freqs
, tmp1
) {
6487 * Some hardware has a limited channel list for
6488 * scanning, and it is pretty much nonsensical
6489 * to scan for a channel twice, so disallow that
6490 * and don't require drivers to check that the
6491 * channel list they get isn't longer than what
6492 * they can scan, as long as they can scan all
6493 * the channels they registered at once.
6495 nla_for_each_nested(attr2
, freqs
, tmp2
)
6496 if (attr1
!= attr2
&&
6497 nla_get_u32(attr1
) == nla_get_u32(attr2
))
6504 static bool is_band_valid(struct wiphy
*wiphy
, enum nl80211_band b
)
6506 return b
< NUM_NL80211_BANDS
&& wiphy
->bands
[b
];
6509 static int parse_bss_select(struct nlattr
*nla
, struct wiphy
*wiphy
,
6510 struct cfg80211_bss_selection
*bss_select
)
6512 struct nlattr
*attr
[NL80211_BSS_SELECT_ATTR_MAX
+ 1];
6513 struct nlattr
*nest
;
6518 /* only process one nested attribute */
6519 nest
= nla_data(nla
);
6520 if (!nla_ok(nest
, nla_len(nest
)))
6523 err
= nla_parse_nested(attr
, NL80211_BSS_SELECT_ATTR_MAX
, nest
,
6524 nl80211_bss_select_policy
, NULL
);
6528 /* only one attribute may be given */
6529 for (i
= 0; i
<= NL80211_BSS_SELECT_ATTR_MAX
; i
++) {
6537 bss_select
->behaviour
= __NL80211_BSS_SELECT_ATTR_INVALID
;
6539 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI
])
6540 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI
;
6542 if (attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]) {
6543 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_BAND_PREF
;
6544 bss_select
->param
.band_pref
=
6545 nla_get_u32(attr
[NL80211_BSS_SELECT_ATTR_BAND_PREF
]);
6546 if (!is_band_valid(wiphy
, bss_select
->param
.band_pref
))
6550 if (attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]) {
6551 struct nl80211_bss_select_rssi_adjust
*adj_param
;
6553 adj_param
= nla_data(attr
[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
]);
6554 bss_select
->behaviour
= NL80211_BSS_SELECT_ATTR_RSSI_ADJUST
;
6555 bss_select
->param
.adjust
.band
= adj_param
->band
;
6556 bss_select
->param
.adjust
.delta
= adj_param
->delta
;
6557 if (!is_band_valid(wiphy
, bss_select
->param
.adjust
.band
))
6561 /* user-space did not provide behaviour attribute */
6562 if (bss_select
->behaviour
== __NL80211_BSS_SELECT_ATTR_INVALID
)
6565 if (!(wiphy
->bss_select_support
& BIT(bss_select
->behaviour
)))
6571 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
6572 u8
*mac_addr
, u8
*mac_addr_mask
)
6576 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
6577 eth_zero_addr(mac_addr
);
6578 eth_zero_addr(mac_addr_mask
);
6580 mac_addr_mask
[0] = 0x3;
6585 /* need both or none */
6586 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
6589 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
6590 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
6592 /* don't allow or configure an mcast address */
6593 if (!is_multicast_ether_addr(mac_addr_mask
) ||
6594 is_multicast_ether_addr(mac_addr
))
6598 * allow users to pass a MAC address that has bits set outside
6599 * of the mask, but don't bother drivers with having to deal
6602 for (i
= 0; i
< ETH_ALEN
; i
++)
6603 mac_addr
[i
] &= mac_addr_mask
[i
];
6608 static bool cfg80211_off_channel_oper_allowed(struct wireless_dev
*wdev
)
6610 ASSERT_WDEV_LOCK(wdev
);
6612 if (!cfg80211_beaconing_iface_active(wdev
))
6615 if (!(wdev
->chandef
.chan
->flags
& IEEE80211_CHAN_RADAR
))
6618 return regulatory_pre_cac_allowed(wdev
->wiphy
);
6621 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6623 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6624 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6625 struct cfg80211_scan_request
*request
;
6626 struct nlattr
*attr
;
6627 struct wiphy
*wiphy
;
6628 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
6631 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6634 wiphy
= &rdev
->wiphy
;
6636 if (wdev
->iftype
== NL80211_IFTYPE_NAN
)
6639 if (!rdev
->ops
->scan
)
6642 if (rdev
->scan_req
|| rdev
->scan_msg
) {
6647 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6648 n_channels
= validate_scan_freqs(
6649 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6655 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6658 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
6659 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
6662 if (n_ssids
> wiphy
->max_scan_ssids
) {
6667 if (info
->attrs
[NL80211_ATTR_IE
])
6668 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6672 if (ie_len
> wiphy
->max_scan_ie_len
) {
6677 request
= kzalloc(sizeof(*request
)
6678 + sizeof(*request
->ssids
) * n_ssids
6679 + sizeof(*request
->channels
) * n_channels
6680 + ie_len
, GFP_KERNEL
);
6687 request
->ssids
= (void *)&request
->channels
[n_channels
];
6688 request
->n_ssids
= n_ssids
;
6691 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6693 request
->ie
= (void *)(request
->channels
+ n_channels
);
6697 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6698 /* user specified, bail out if channel not found */
6699 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
6700 struct ieee80211_channel
*chan
;
6702 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6709 /* ignore disabled channels */
6710 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6713 request
->channels
[i
] = chan
;
6717 enum nl80211_band band
;
6720 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
6723 if (!wiphy
->bands
[band
])
6725 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6726 struct ieee80211_channel
*chan
;
6728 chan
= &wiphy
->bands
[band
]->channels
[j
];
6730 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6733 request
->channels
[i
] = chan
;
6744 request
->n_channels
= i
;
6747 if (!cfg80211_off_channel_oper_allowed(wdev
)) {
6748 struct ieee80211_channel
*chan
;
6750 if (request
->n_channels
!= 1) {
6756 chan
= request
->channels
[0];
6757 if (chan
->center_freq
!= wdev
->chandef
.chan
->center_freq
) {
6767 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
6768 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6772 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6773 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
6778 if (info
->attrs
[NL80211_ATTR_IE
]) {
6779 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6780 memcpy((void *)request
->ie
,
6781 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6785 for (i
= 0; i
< NUM_NL80211_BANDS
; i
++)
6786 if (wiphy
->bands
[i
])
6788 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
6790 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
6791 nla_for_each_nested(attr
,
6792 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
6794 enum nl80211_band band
= nla_type(attr
);
6796 if (band
< 0 || band
>= NUM_NL80211_BANDS
) {
6801 if (!wiphy
->bands
[band
])
6804 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
6807 &request
->rates
[band
]);
6813 if (info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]) {
6814 if (!wiphy_ext_feature_isset(wiphy
,
6815 NL80211_EXT_FEATURE_SET_SCAN_DWELL
)) {
6821 nla_get_u16(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION
]);
6822 request
->duration_mandatory
=
6823 nla_get_flag(info
->attrs
[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY
]);
6826 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6827 request
->flags
= nla_get_u32(
6828 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6829 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6830 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6835 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6836 if (!(wiphy
->features
&
6837 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
6842 if (wdev
->current_bss
) {
6847 err
= nl80211_parse_random_mac(info
->attrs
,
6849 request
->mac_addr_mask
);
6856 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6858 /* Initial implementation used NL80211_ATTR_MAC to set the specific
6859 * BSSID to scan for. This was problematic because that same attribute
6860 * was already used for another purpose (local random MAC address). The
6861 * NL80211_ATTR_BSSID attribute was added to fix this. For backwards
6862 * compatibility with older userspace components, also use the
6863 * NL80211_ATTR_MAC value here if it can be determined to be used for
6864 * the specific BSSID use case instead of the random MAC address
6865 * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use).
6867 if (info
->attrs
[NL80211_ATTR_BSSID
])
6868 memcpy(request
->bssid
,
6869 nla_data(info
->attrs
[NL80211_ATTR_BSSID
]), ETH_ALEN
);
6870 else if (!(request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) &&
6871 info
->attrs
[NL80211_ATTR_MAC
])
6872 memcpy(request
->bssid
, nla_data(info
->attrs
[NL80211_ATTR_MAC
]),
6875 eth_broadcast_addr(request
->bssid
);
6877 request
->wdev
= wdev
;
6878 request
->wiphy
= &rdev
->wiphy
;
6879 request
->scan_start
= jiffies
;
6881 rdev
->scan_req
= request
;
6882 err
= rdev_scan(rdev
, request
);
6885 nl80211_send_scan_start(rdev
, wdev
);
6887 dev_hold(wdev
->netdev
);
6890 rdev
->scan_req
= NULL
;
6898 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6900 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6901 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6903 if (!rdev
->ops
->abort_scan
)
6909 if (!rdev
->scan_req
)
6912 rdev_abort_scan(rdev
, wdev
);
6917 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
6918 struct cfg80211_sched_scan_request
*request
,
6919 struct nlattr
**attrs
)
6921 int tmp
, err
, i
= 0;
6922 struct nlattr
*attr
;
6924 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6928 * If scan plans are not specified,
6929 * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this
6930 * case one scan plan will be set with the specified scan
6931 * interval and infinite number of iterations.
6933 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
6937 request
->scan_plans
[0].interval
=
6938 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
6939 if (!request
->scan_plans
[0].interval
)
6942 if (request
->scan_plans
[0].interval
>
6943 wiphy
->max_sched_scan_plan_interval
)
6944 request
->scan_plans
[0].interval
=
6945 wiphy
->max_sched_scan_plan_interval
;
6950 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
6951 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
6953 if (WARN_ON(i
>= n_plans
))
6956 err
= nla_parse_nested(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
6957 attr
, nl80211_plan_policy
, NULL
);
6961 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
6964 request
->scan_plans
[i
].interval
=
6965 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
6966 if (!request
->scan_plans
[i
].interval
||
6967 request
->scan_plans
[i
].interval
>
6968 wiphy
->max_sched_scan_plan_interval
)
6971 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
6972 request
->scan_plans
[i
].iterations
=
6973 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
6974 if (!request
->scan_plans
[i
].iterations
||
6975 (request
->scan_plans
[i
].iterations
>
6976 wiphy
->max_sched_scan_plan_iterations
))
6978 } else if (i
< n_plans
- 1) {
6980 * All scan plans but the last one must specify
6981 * a finite number of iterations
6990 * The last scan plan must not specify the number of
6991 * iterations, it is supposed to run infinitely
6993 if (request
->scan_plans
[n_plans
- 1].iterations
)
6999 static struct cfg80211_sched_scan_request
*
7000 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
7001 struct nlattr
**attrs
, int max_match_sets
)
7003 struct cfg80211_sched_scan_request
*request
;
7004 struct nlattr
*attr
;
7005 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
7006 enum nl80211_band band
;
7008 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
7009 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
7011 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
7012 return ERR_PTR(-EINVAL
);
7014 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7015 n_channels
= validate_scan_freqs(
7016 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
7018 return ERR_PTR(-EINVAL
);
7020 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
7023 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
7024 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7028 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
7029 return ERR_PTR(-EINVAL
);
7032 * First, count the number of 'real' matchsets. Due to an issue with
7033 * the old implementation, matchsets containing only the RSSI attribute
7034 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
7035 * RSSI for all matchsets, rather than their own matchset for reporting
7036 * all APs with a strong RSSI. This is needed to be compatible with
7037 * older userspace that treated a matchset with only the RSSI as the
7038 * global RSSI for all other matchsets - if there are other matchsets.
7040 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7041 nla_for_each_nested(attr
,
7042 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7044 struct nlattr
*rssi
;
7046 err
= nla_parse_nested(tb
,
7047 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7048 attr
, nl80211_match_policy
,
7051 return ERR_PTR(err
);
7053 /* SSID and BSSID are mutually exclusive */
7054 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] &&
7055 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
])
7056 return ERR_PTR(-EINVAL
);
7058 /* add other standalone attributes here */
7059 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] ||
7060 tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
]) {
7064 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7066 default_match_rssi
= nla_get_s32(rssi
);
7070 /* However, if there's no other matchset, add the RSSI one */
7071 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
7074 if (n_match_sets
> max_match_sets
)
7075 return ERR_PTR(-EINVAL
);
7077 if (attrs
[NL80211_ATTR_IE
])
7078 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
7082 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
7083 return ERR_PTR(-EINVAL
);
7085 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
7087 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
7088 * each scan plan already specifies its own interval
7090 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7091 return ERR_PTR(-EINVAL
);
7093 nla_for_each_nested(attr
,
7094 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
7098 * The scan interval attribute is kept for backward
7099 * compatibility. If no scan plans are specified and sched scan
7100 * interval is specified, one scan plan will be set with this
7101 * scan interval and infinite number of iterations.
7103 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
7104 return ERR_PTR(-EINVAL
);
7109 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
7110 return ERR_PTR(-EINVAL
);
7112 if (!wiphy_ext_feature_isset(
7113 wiphy
, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI
) &&
7114 (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
] ||
7115 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]))
7116 return ERR_PTR(-EINVAL
);
7118 request
= kzalloc(sizeof(*request
)
7119 + sizeof(*request
->ssids
) * n_ssids
7120 + sizeof(*request
->match_sets
) * n_match_sets
7121 + sizeof(*request
->scan_plans
) * n_plans
7122 + sizeof(*request
->channels
) * n_channels
7123 + ie_len
, GFP_KERNEL
);
7125 return ERR_PTR(-ENOMEM
);
7128 request
->ssids
= (void *)&request
->channels
[n_channels
];
7129 request
->n_ssids
= n_ssids
;
7132 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
7134 request
->ie
= (void *)(request
->channels
+ n_channels
);
7139 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
7141 request
->match_sets
=
7142 (void *)(request
->ssids
+ n_ssids
);
7144 request
->match_sets
=
7145 (void *)(request
->channels
+ n_channels
);
7147 request
->n_match_sets
= n_match_sets
;
7150 request
->scan_plans
= (void *)(request
->match_sets
+
7152 else if (request
->ie
)
7153 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
7155 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
7157 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
7159 request
->n_scan_plans
= n_plans
;
7162 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
7163 /* user specified, bail out if channel not found */
7164 nla_for_each_nested(attr
,
7165 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
7167 struct ieee80211_channel
*chan
;
7169 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
7176 /* ignore disabled channels */
7177 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7180 request
->channels
[i
] = chan
;
7185 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
7188 if (!wiphy
->bands
[band
])
7190 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
7191 struct ieee80211_channel
*chan
;
7193 chan
= &wiphy
->bands
[band
]->channels
[j
];
7195 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
7198 request
->channels
[i
] = chan
;
7209 request
->n_channels
= i
;
7213 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
7215 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
7219 request
->ssids
[i
].ssid_len
= nla_len(attr
);
7220 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
7227 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
7228 nla_for_each_nested(attr
,
7229 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
7231 struct nlattr
*ssid
, *bssid
, *rssi
;
7233 err
= nla_parse_nested(tb
,
7234 NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
7235 attr
, nl80211_match_policy
,
7239 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
7240 bssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID
];
7241 if (ssid
|| bssid
) {
7242 if (WARN_ON(i
>= n_match_sets
)) {
7243 /* this indicates a programming error,
7244 * the loop above should have verified
7252 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
7256 memcpy(request
->match_sets
[i
].ssid
.ssid
,
7257 nla_data(ssid
), nla_len(ssid
));
7258 request
->match_sets
[i
].ssid
.ssid_len
=
7262 if (nla_len(bssid
) != ETH_ALEN
) {
7266 memcpy(request
->match_sets
[i
].bssid
,
7267 nla_data(bssid
), ETH_ALEN
);
7270 /* special attribute - old implementation w/a */
7271 request
->match_sets
[i
].rssi_thold
=
7273 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
7275 request
->match_sets
[i
].rssi_thold
=
7281 /* there was no other matchset, so the RSSI one is alone */
7282 if (i
== 0 && n_match_sets
)
7283 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
7285 request
->min_rssi_thold
= INT_MAX
;
7286 for (i
= 0; i
< n_match_sets
; i
++)
7287 request
->min_rssi_thold
=
7288 min(request
->match_sets
[i
].rssi_thold
,
7289 request
->min_rssi_thold
);
7291 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
7295 request
->ie_len
= ie_len
;
7296 memcpy((void *)request
->ie
,
7297 nla_data(attrs
[NL80211_ATTR_IE
]),
7301 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
7302 request
->flags
= nla_get_u32(
7303 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
7304 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
7305 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
7310 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
7311 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
7313 if (!wdev
) /* must be net-detect */
7314 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
7316 if (!(wiphy
->features
& flg
)) {
7321 if (wdev
&& wdev
->current_bss
) {
7326 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
7327 request
->mac_addr_mask
);
7333 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
7335 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
7337 if (attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]) {
7338 request
->relative_rssi
= nla_get_s8(
7339 attrs
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
]);
7340 request
->relative_rssi_set
= true;
7343 if (request
->relative_rssi_set
&&
7344 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]) {
7345 struct nl80211_bss_select_rssi_adjust
*rssi_adjust
;
7347 rssi_adjust
= nla_data(
7348 attrs
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
]);
7349 request
->rssi_adjust
.band
= rssi_adjust
->band
;
7350 request
->rssi_adjust
.delta
= rssi_adjust
->delta
;
7351 if (!is_band_valid(wiphy
, request
->rssi_adjust
.band
)) {
7357 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
7361 request
->scan_start
= jiffies
;
7367 return ERR_PTR(err
);
7370 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
7371 struct genl_info
*info
)
7373 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7374 struct net_device
*dev
= info
->user_ptr
[1];
7375 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7376 struct cfg80211_sched_scan_request
*sched_scan_req
;
7380 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_start
)
7383 want_multi
= info
->attrs
[NL80211_ATTR_SCHED_SCAN_MULTI
];
7384 err
= cfg80211_sched_scan_req_possible(rdev
, want_multi
);
7388 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
7390 rdev
->wiphy
.max_match_sets
);
7392 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
7396 /* leave request id zero for legacy request
7397 * or if driver does not support multi-scheduled scan
7399 if (want_multi
&& rdev
->wiphy
.max_sched_scan_reqs
> 1) {
7400 while (!sched_scan_req
->reqid
)
7401 sched_scan_req
->reqid
= rdev
->wiphy
.cookie_counter
++;
7404 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
7408 sched_scan_req
->dev
= dev
;
7409 sched_scan_req
->wiphy
= &rdev
->wiphy
;
7411 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
7412 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
7414 cfg80211_add_sched_scan_req(rdev
, sched_scan_req
);
7416 nl80211_send_sched_scan(sched_scan_req
, NL80211_CMD_START_SCHED_SCAN
);
7420 kfree(sched_scan_req
);
7425 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
7426 struct genl_info
*info
)
7428 struct cfg80211_sched_scan_request
*req
;
7429 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7432 if (!rdev
->wiphy
.max_sched_scan_reqs
|| !rdev
->ops
->sched_scan_stop
)
7435 if (info
->attrs
[NL80211_ATTR_COOKIE
]) {
7436 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7437 return __cfg80211_stop_sched_scan(rdev
, cookie
, false);
7440 req
= list_first_or_null_rcu(&rdev
->sched_scan_req_list
,
7441 struct cfg80211_sched_scan_request
,
7443 if (!req
|| req
->reqid
||
7444 (req
->owner_nlportid
&&
7445 req
->owner_nlportid
!= info
->snd_portid
))
7448 return cfg80211_stop_sched_scan_req(rdev
, req
, false);
7451 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
7452 struct genl_info
*info
)
7454 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7455 struct net_device
*dev
= info
->user_ptr
[1];
7456 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7457 struct cfg80211_chan_def chandef
;
7458 enum nl80211_dfs_regions dfs_region
;
7459 unsigned int cac_time_ms
;
7462 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
7463 if (dfs_region
== NL80211_DFS_UNSET
)
7466 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7470 if (netif_carrier_ok(dev
))
7473 if (wdev
->cac_started
)
7476 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
7484 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
7487 if (!rdev
->ops
->start_radar_detection
)
7490 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
7491 if (WARN_ON(!cac_time_ms
))
7492 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
7494 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
7496 wdev
->chandef
= chandef
;
7497 wdev
->cac_started
= true;
7498 wdev
->cac_start_time
= jiffies
;
7499 wdev
->cac_time_ms
= cac_time_ms
;
7504 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
7506 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7507 struct net_device
*dev
= info
->user_ptr
[1];
7508 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7509 struct cfg80211_csa_settings params
;
7510 /* csa_attrs is defined static to avoid waste of stack size - this
7511 * function is called under RTNL lock, so this should not be a problem.
7513 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
7515 bool need_new_beacon
= false;
7516 bool need_handle_dfs_flag
= true;
7520 if (!rdev
->ops
->channel_switch
||
7521 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
7524 switch (dev
->ieee80211_ptr
->iftype
) {
7525 case NL80211_IFTYPE_AP
:
7526 case NL80211_IFTYPE_P2P_GO
:
7527 need_new_beacon
= true;
7528 /* For all modes except AP the handle_dfs flag needs to be
7529 * supplied to tell the kernel that userspace will handle radar
7530 * events when they happen. Otherwise a switch to a channel
7531 * requiring DFS will be rejected.
7533 need_handle_dfs_flag
= false;
7535 /* useless if AP is not running */
7536 if (!wdev
->beacon_interval
)
7539 case NL80211_IFTYPE_ADHOC
:
7540 if (!wdev
->ssid_len
)
7543 case NL80211_IFTYPE_MESH_POINT
:
7544 if (!wdev
->mesh_id_len
)
7551 memset(¶ms
, 0, sizeof(params
));
7553 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7554 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
7557 /* only important for AP, IBSS and mesh create IEs internally */
7558 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
7561 /* Even though the attribute is u32, the specification says
7562 * u8, so let's make sure we don't overflow.
7564 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
7568 params
.count
= cs_count
;
7570 if (!need_new_beacon
)
7573 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
7577 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
7578 info
->attrs
[NL80211_ATTR_CSA_IES
],
7579 nl80211_policy
, info
->extack
);
7583 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
7587 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
7590 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7591 if (!len
|| (len
% sizeof(u16
)))
7594 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
7595 if (rdev
->wiphy
.max_num_csa_counters
&&
7596 (params
.n_counter_offsets_beacon
>
7597 rdev
->wiphy
.max_num_csa_counters
))
7600 params
.counter_offsets_beacon
=
7601 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
7603 /* sanity checks - counters should fit and be the same */
7604 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
7605 u16 offset
= params
.counter_offsets_beacon
[i
];
7607 if (offset
>= params
.beacon_csa
.tail_len
)
7610 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
7614 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
7615 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7616 if (!len
|| (len
% sizeof(u16
)))
7619 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
7620 if (rdev
->wiphy
.max_num_csa_counters
&&
7621 (params
.n_counter_offsets_presp
>
7622 rdev
->wiphy
.max_num_csa_counters
))
7625 params
.counter_offsets_presp
=
7626 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
7628 /* sanity checks - counters should fit and be the same */
7629 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
7630 u16 offset
= params
.counter_offsets_presp
[i
];
7632 if (offset
>= params
.beacon_csa
.probe_resp_len
)
7635 if (params
.beacon_csa
.probe_resp
[offset
] !=
7642 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
7646 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
7650 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
7657 params
.radar_required
= true;
7658 if (need_handle_dfs_flag
&&
7659 !nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
])) {
7664 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
7665 params
.block_tx
= true;
7668 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
7674 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
7676 struct cfg80211_registered_device
*rdev
,
7677 struct wireless_dev
*wdev
,
7678 struct cfg80211_internal_bss
*intbss
)
7680 struct cfg80211_bss
*res
= &intbss
->pub
;
7681 const struct cfg80211_bss_ies
*ies
;
7685 ASSERT_WDEV_LOCK(wdev
);
7687 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
7688 NL80211_CMD_NEW_SCAN_RESULTS
);
7692 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
7694 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
7695 goto nla_put_failure
;
7697 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
7698 goto nla_put_failure
;
7699 if (nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
7701 goto nla_put_failure
;
7703 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
7705 goto nla_put_failure
;
7706 if ((!is_zero_ether_addr(res
->bssid
) &&
7707 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
7708 goto nla_put_failure
;
7711 /* indicate whether we have probe response data or not */
7712 if (rcu_access_pointer(res
->proberesp_ies
) &&
7713 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
7714 goto fail_unlock_rcu
;
7716 /* this pointer prefers to be pointed to probe response data
7717 * but is always valid
7719 ies
= rcu_dereference(res
->ies
);
7721 if (nla_put_u64_64bit(msg
, NL80211_BSS_TSF
, ies
->tsf
,
7723 goto fail_unlock_rcu
;
7724 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
7725 ies
->len
, ies
->data
))
7726 goto fail_unlock_rcu
;
7729 /* and this pointer is always (unless driver didn't know) beacon data */
7730 ies
= rcu_dereference(res
->beacon_ies
);
7731 if (ies
&& ies
->from_beacon
) {
7732 if (nla_put_u64_64bit(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
,
7734 goto fail_unlock_rcu
;
7735 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
7736 ies
->len
, ies
->data
))
7737 goto fail_unlock_rcu
;
7741 if (res
->beacon_interval
&&
7742 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
7743 goto nla_put_failure
;
7744 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
7745 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
7746 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
7747 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
7748 jiffies_to_msecs(jiffies
- intbss
->ts
)))
7749 goto nla_put_failure
;
7751 if (intbss
->parent_tsf
&&
7752 (nla_put_u64_64bit(msg
, NL80211_BSS_PARENT_TSF
,
7753 intbss
->parent_tsf
, NL80211_BSS_PAD
) ||
7754 nla_put(msg
, NL80211_BSS_PARENT_BSSID
, ETH_ALEN
,
7755 intbss
->parent_bssid
)))
7756 goto nla_put_failure
;
7758 if (intbss
->ts_boottime
&&
7759 nla_put_u64_64bit(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
7760 intbss
->ts_boottime
, NL80211_BSS_PAD
))
7761 goto nla_put_failure
;
7763 switch (rdev
->wiphy
.signal_type
) {
7764 case CFG80211_SIGNAL_TYPE_MBM
:
7765 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
7766 goto nla_put_failure
;
7768 case CFG80211_SIGNAL_TYPE_UNSPEC
:
7769 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
7770 goto nla_put_failure
;
7776 switch (wdev
->iftype
) {
7777 case NL80211_IFTYPE_P2P_CLIENT
:
7778 case NL80211_IFTYPE_STATION
:
7779 if (intbss
== wdev
->current_bss
&&
7780 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7781 NL80211_BSS_STATUS_ASSOCIATED
))
7782 goto nla_put_failure
;
7784 case NL80211_IFTYPE_ADHOC
:
7785 if (intbss
== wdev
->current_bss
&&
7786 nla_put_u32(msg
, NL80211_BSS_STATUS
,
7787 NL80211_BSS_STATUS_IBSS_JOINED
))
7788 goto nla_put_failure
;
7794 nla_nest_end(msg
, bss
);
7796 genlmsg_end(msg
, hdr
);
7802 genlmsg_cancel(msg
, hdr
);
7806 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7808 struct cfg80211_registered_device
*rdev
;
7809 struct cfg80211_internal_bss
*scan
;
7810 struct wireless_dev
*wdev
;
7811 int start
= cb
->args
[2], idx
= 0;
7815 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7822 spin_lock_bh(&rdev
->bss_lock
);
7823 cfg80211_bss_expire(rdev
);
7825 cb
->seq
= rdev
->bss_generation
;
7827 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
7830 if (nl80211_send_bss(skb
, cb
,
7831 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7832 rdev
, wdev
, scan
) < 0) {
7838 spin_unlock_bh(&rdev
->bss_lock
);
7847 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
7848 int flags
, struct net_device
*dev
,
7849 bool allow_radio_stats
,
7850 struct survey_info
*survey
)
7853 struct nlattr
*infoattr
;
7855 /* skip radio stats if userspace didn't request them */
7856 if (!survey
->channel
&& !allow_radio_stats
)
7859 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
7860 NL80211_CMD_NEW_SURVEY_RESULTS
);
7864 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
7865 goto nla_put_failure
;
7867 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
7869 goto nla_put_failure
;
7871 if (survey
->channel
&&
7872 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
7873 survey
->channel
->center_freq
))
7874 goto nla_put_failure
;
7876 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
7877 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
7878 goto nla_put_failure
;
7879 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
7880 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
7881 goto nla_put_failure
;
7882 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
7883 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME
,
7884 survey
->time
, NL80211_SURVEY_INFO_PAD
))
7885 goto nla_put_failure
;
7886 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
7887 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
7888 survey
->time_busy
, NL80211_SURVEY_INFO_PAD
))
7889 goto nla_put_failure
;
7890 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
7891 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
7892 survey
->time_ext_busy
, NL80211_SURVEY_INFO_PAD
))
7893 goto nla_put_failure
;
7894 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
7895 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_RX
,
7896 survey
->time_rx
, NL80211_SURVEY_INFO_PAD
))
7897 goto nla_put_failure
;
7898 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
7899 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_TX
,
7900 survey
->time_tx
, NL80211_SURVEY_INFO_PAD
))
7901 goto nla_put_failure
;
7902 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
7903 nla_put_u64_64bit(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
7904 survey
->time_scan
, NL80211_SURVEY_INFO_PAD
))
7905 goto nla_put_failure
;
7907 nla_nest_end(msg
, infoattr
);
7909 genlmsg_end(msg
, hdr
);
7913 genlmsg_cancel(msg
, hdr
);
7917 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
7919 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
7920 struct survey_info survey
;
7921 struct cfg80211_registered_device
*rdev
;
7922 struct wireless_dev
*wdev
;
7923 int survey_idx
= cb
->args
[2];
7928 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
7932 /* prepare_wdev_dump parsed the attributes */
7933 radio_stats
= attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
7935 if (!wdev
->netdev
) {
7940 if (!rdev
->ops
->dump_survey
) {
7946 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
7952 /* don't send disabled channels, but do send non-channel data */
7953 if (survey
.channel
&&
7954 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
7959 if (nl80211_send_survey(skb
,
7960 NETLINK_CB(cb
->skb
).portid
,
7961 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7962 wdev
->netdev
, radio_stats
, &survey
) < 0)
7968 cb
->args
[2] = survey_idx
;
7975 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
7977 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
7978 NL80211_WPA_VERSION_2
));
7981 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7983 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7984 struct net_device
*dev
= info
->user_ptr
[1];
7985 struct ieee80211_channel
*chan
;
7986 const u8
*bssid
, *ssid
, *ie
= NULL
, *auth_data
= NULL
;
7987 int err
, ssid_len
, ie_len
= 0, auth_data_len
= 0;
7988 enum nl80211_auth_type auth_type
;
7989 struct key_parse key
;
7990 bool local_state_change
;
7992 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7995 if (!info
->attrs
[NL80211_ATTR_MAC
])
7998 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
8001 if (!info
->attrs
[NL80211_ATTR_SSID
])
8004 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8007 err
= nl80211_parse_key(info
, &key
);
8012 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
8014 if (!key
.p
.key
|| !key
.p
.key_len
)
8016 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
8017 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
8018 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
8019 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
8032 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
8033 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
8042 if (!rdev
->ops
->auth
)
8045 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8046 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8049 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8050 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8051 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8055 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8056 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8058 if (info
->attrs
[NL80211_ATTR_IE
]) {
8059 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8060 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8063 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8064 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
8067 if ((auth_type
== NL80211_AUTHTYPE_SAE
||
8068 auth_type
== NL80211_AUTHTYPE_FILS_SK
||
8069 auth_type
== NL80211_AUTHTYPE_FILS_SK_PFS
||
8070 auth_type
== NL80211_AUTHTYPE_FILS_PK
) &&
8071 !info
->attrs
[NL80211_ATTR_AUTH_DATA
])
8074 if (info
->attrs
[NL80211_ATTR_AUTH_DATA
]) {
8075 if (auth_type
!= NL80211_AUTHTYPE_SAE
&&
8076 auth_type
!= NL80211_AUTHTYPE_FILS_SK
&&
8077 auth_type
!= NL80211_AUTHTYPE_FILS_SK_PFS
&&
8078 auth_type
!= NL80211_AUTHTYPE_FILS_PK
)
8080 auth_data
= nla_data(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8081 auth_data_len
= nla_len(info
->attrs
[NL80211_ATTR_AUTH_DATA
]);
8082 /* need to include at least Auth Transaction and Status Code */
8083 if (auth_data_len
< 4)
8087 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8090 * Since we no longer track auth state, ignore
8091 * requests to only change local state.
8093 if (local_state_change
)
8096 wdev_lock(dev
->ieee80211_ptr
);
8097 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
8098 ssid
, ssid_len
, ie
, ie_len
,
8099 key
.p
.key
, key
.p
.key_len
, key
.idx
,
8100 auth_data
, auth_data_len
);
8101 wdev_unlock(dev
->ieee80211_ptr
);
8105 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
8106 struct genl_info
*info
,
8107 struct cfg80211_crypto_settings
*settings
,
8110 memset(settings
, 0, sizeof(*settings
));
8112 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
8114 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
8117 proto
= nla_get_u16(
8118 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
8119 settings
->control_port_ethertype
= cpu_to_be16(proto
);
8120 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
8123 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
8124 settings
->control_port_no_encrypt
= true;
8126 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
8128 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
8132 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8133 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
8134 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
8136 if (len
% sizeof(u32
))
8139 if (settings
->n_ciphers_pairwise
> cipher_limit
)
8142 memcpy(settings
->ciphers_pairwise
, data
, len
);
8144 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
8145 if (!cfg80211_supported_cipher_suite(
8147 settings
->ciphers_pairwise
[i
]))
8151 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
8152 settings
->cipher_group
=
8153 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
8154 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
8155 settings
->cipher_group
))
8159 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
8160 settings
->wpa_versions
=
8161 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
8162 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
8166 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
8170 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8171 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
8172 settings
->n_akm_suites
= len
/ sizeof(u32
);
8174 if (len
% sizeof(u32
))
8177 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
8180 memcpy(settings
->akm_suites
, data
, len
);
8183 if (info
->attrs
[NL80211_ATTR_PMK
]) {
8184 if (nla_len(info
->attrs
[NL80211_ATTR_PMK
]) != WLAN_PMK_LEN
)
8186 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8187 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK
))
8189 settings
->psk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
8195 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
8197 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8198 struct net_device
*dev
= info
->user_ptr
[1];
8199 struct ieee80211_channel
*chan
;
8200 struct cfg80211_assoc_request req
= {};
8201 const u8
*bssid
, *ssid
;
8202 int err
, ssid_len
= 0;
8204 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8207 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
8208 !info
->attrs
[NL80211_ATTR_SSID
] ||
8209 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8212 if (!rdev
->ops
->assoc
)
8215 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8216 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8219 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8221 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
8222 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8226 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8227 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8229 if (info
->attrs
[NL80211_ATTR_IE
]) {
8230 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8231 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8234 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8235 enum nl80211_mfp mfp
=
8236 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8237 if (mfp
== NL80211_MFP_REQUIRED
)
8239 else if (mfp
!= NL80211_MFP_NO
)
8243 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8244 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8246 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8247 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
8249 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8250 memcpy(&req
.ht_capa_mask
,
8251 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8252 sizeof(req
.ht_capa_mask
));
8254 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8255 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8257 memcpy(&req
.ht_capa
,
8258 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8259 sizeof(req
.ht_capa
));
8262 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8263 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8265 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8266 memcpy(&req
.vht_capa_mask
,
8267 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8268 sizeof(req
.vht_capa_mask
));
8270 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8271 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8273 memcpy(&req
.vht_capa
,
8274 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8275 sizeof(req
.vht_capa
));
8278 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
8279 if (!((rdev
->wiphy
.features
&
8280 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
8281 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
8282 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8283 NL80211_EXT_FEATURE_RRM
))
8285 req
.flags
|= ASSOC_REQ_USE_RRM
;
8288 if (info
->attrs
[NL80211_ATTR_FILS_KEK
]) {
8289 req
.fils_kek
= nla_data(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8290 req
.fils_kek_len
= nla_len(info
->attrs
[NL80211_ATTR_FILS_KEK
]);
8291 if (!info
->attrs
[NL80211_ATTR_FILS_NONCES
])
8294 nla_data(info
->attrs
[NL80211_ATTR_FILS_NONCES
]);
8297 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
8299 wdev_lock(dev
->ieee80211_ptr
);
8301 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
8302 ssid
, ssid_len
, &req
);
8304 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
8305 dev
->ieee80211_ptr
->conn_owner_nlportid
=
8307 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
8311 wdev_unlock(dev
->ieee80211_ptr
);
8317 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
8319 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8320 struct net_device
*dev
= info
->user_ptr
[1];
8321 const u8
*ie
= NULL
, *bssid
;
8322 int ie_len
= 0, err
;
8324 bool local_state_change
;
8326 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8329 if (!info
->attrs
[NL80211_ATTR_MAC
])
8332 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8335 if (!rdev
->ops
->deauth
)
8338 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8339 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8342 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8344 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8345 if (reason_code
== 0) {
8346 /* Reason Code 0 is reserved */
8350 if (info
->attrs
[NL80211_ATTR_IE
]) {
8351 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8352 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8355 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8357 wdev_lock(dev
->ieee80211_ptr
);
8358 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8359 local_state_change
);
8360 wdev_unlock(dev
->ieee80211_ptr
);
8364 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
8366 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8367 struct net_device
*dev
= info
->user_ptr
[1];
8368 const u8
*ie
= NULL
, *bssid
;
8369 int ie_len
= 0, err
;
8371 bool local_state_change
;
8373 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8376 if (!info
->attrs
[NL80211_ATTR_MAC
])
8379 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
8382 if (!rdev
->ops
->disassoc
)
8385 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8386 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8389 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8391 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8392 if (reason_code
== 0) {
8393 /* Reason Code 0 is reserved */
8397 if (info
->attrs
[NL80211_ATTR_IE
]) {
8398 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8399 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8402 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
8404 wdev_lock(dev
->ieee80211_ptr
);
8405 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
8406 local_state_change
);
8407 wdev_unlock(dev
->ieee80211_ptr
);
8412 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
8413 int mcast_rate
[NUM_NL80211_BANDS
],
8416 struct wiphy
*wiphy
= &rdev
->wiphy
;
8420 for (band
= 0; band
< NUM_NL80211_BANDS
; band
++) {
8421 struct ieee80211_supported_band
*sband
;
8423 sband
= wiphy
->bands
[band
];
8427 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
8428 if (sband
->bitrates
[i
].bitrate
== rateval
) {
8429 mcast_rate
[band
] = i
+ 1;
8439 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8441 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8442 struct net_device
*dev
= info
->user_ptr
[1];
8443 struct cfg80211_ibss_params ibss
;
8444 struct wiphy
*wiphy
;
8445 struct cfg80211_cached_keys
*connkeys
= NULL
;
8448 memset(&ibss
, 0, sizeof(ibss
));
8450 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8453 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8454 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8457 ibss
.beacon_interval
= 100;
8459 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
])
8460 ibss
.beacon_interval
=
8461 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8463 err
= cfg80211_validate_beacon_int(rdev
, NL80211_IFTYPE_ADHOC
,
8464 ibss
.beacon_interval
);
8468 if (!rdev
->ops
->join_ibss
)
8471 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8474 wiphy
= &rdev
->wiphy
;
8476 if (info
->attrs
[NL80211_ATTR_MAC
]) {
8477 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8479 if (!is_valid_ether_addr(ibss
.bssid
))
8482 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8483 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8485 if (info
->attrs
[NL80211_ATTR_IE
]) {
8486 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8487 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8490 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
8494 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
8495 NL80211_IFTYPE_ADHOC
))
8498 switch (ibss
.chandef
.width
) {
8499 case NL80211_CHAN_WIDTH_5
:
8500 case NL80211_CHAN_WIDTH_10
:
8501 case NL80211_CHAN_WIDTH_20_NOHT
:
8503 case NL80211_CHAN_WIDTH_20
:
8504 case NL80211_CHAN_WIDTH_40
:
8505 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8508 case NL80211_CHAN_WIDTH_80
:
8509 case NL80211_CHAN_WIDTH_80P80
:
8510 case NL80211_CHAN_WIDTH_160
:
8511 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
8513 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
8514 NL80211_EXT_FEATURE_VHT_IBSS
))
8521 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
8522 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
8524 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8526 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8528 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8529 struct ieee80211_supported_band
*sband
=
8530 wiphy
->bands
[ibss
.chandef
.chan
->band
];
8532 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8538 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8539 memcpy(&ibss
.ht_capa_mask
,
8540 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8541 sizeof(ibss
.ht_capa_mask
));
8543 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8544 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8546 memcpy(&ibss
.ht_capa
,
8547 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8548 sizeof(ibss
.ht_capa
));
8551 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8552 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
8553 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8556 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8559 connkeys
= nl80211_parse_connkeys(rdev
,
8560 info
->attrs
[NL80211_ATTR_KEYS
],
8562 if (IS_ERR(connkeys
))
8563 return PTR_ERR(connkeys
);
8565 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
8573 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
8575 ibss
.userspace_handles_dfs
=
8576 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
8578 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
8584 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
8586 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8587 struct net_device
*dev
= info
->user_ptr
[1];
8589 if (!rdev
->ops
->leave_ibss
)
8592 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
8595 return cfg80211_leave_ibss(rdev
, dev
, false);
8598 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
8600 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8601 struct net_device
*dev
= info
->user_ptr
[1];
8602 int mcast_rate
[NUM_NL80211_BANDS
];
8606 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
8607 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
8608 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
8611 if (!rdev
->ops
->set_mcast_rate
)
8614 memset(mcast_rate
, 0, sizeof(mcast_rate
));
8616 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
8619 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
8620 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
8623 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
8628 static struct sk_buff
*
8629 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
8630 struct wireless_dev
*wdev
, int approxlen
,
8631 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
8632 enum nl80211_attrs attr
,
8633 const struct nl80211_vendor_cmd_info
*info
,
8636 struct sk_buff
*skb
;
8638 struct nlattr
*data
;
8640 skb
= nlmsg_new(approxlen
+ 100, gfp
);
8644 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
8650 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
8651 goto nla_put_failure
;
8654 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
8656 goto nla_put_failure
;
8657 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
8659 goto nla_put_failure
;
8663 if (nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
8664 wdev_id(wdev
), NL80211_ATTR_PAD
))
8665 goto nla_put_failure
;
8667 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
8668 wdev
->netdev
->ifindex
))
8669 goto nla_put_failure
;
8672 data
= nla_nest_start(skb
, attr
);
8674 goto nla_put_failure
;
8676 ((void **)skb
->cb
)[0] = rdev
;
8677 ((void **)skb
->cb
)[1] = hdr
;
8678 ((void **)skb
->cb
)[2] = data
;
8687 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
8688 struct wireless_dev
*wdev
,
8689 enum nl80211_commands cmd
,
8690 enum nl80211_attrs attr
,
8691 int vendor_event_idx
,
8692 int approxlen
, gfp_t gfp
)
8694 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
8695 const struct nl80211_vendor_cmd_info
*info
;
8698 case NL80211_CMD_TESTMODE
:
8699 if (WARN_ON(vendor_event_idx
!= -1))
8703 case NL80211_CMD_VENDOR
:
8704 if (WARN_ON(vendor_event_idx
< 0 ||
8705 vendor_event_idx
>= wiphy
->n_vendor_events
))
8707 info
= &wiphy
->vendor_events
[vendor_event_idx
];
8714 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
8715 cmd
, attr
, info
, gfp
);
8717 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
8719 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
8721 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8722 void *hdr
= ((void **)skb
->cb
)[1];
8723 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8724 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
8726 /* clear CB data for netlink core to own from now on */
8727 memset(skb
->cb
, 0, sizeof(skb
->cb
));
8729 nla_nest_end(skb
, data
);
8730 genlmsg_end(skb
, hdr
);
8732 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
8733 mcgrp
= NL80211_MCGRP_VENDOR
;
8735 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
8738 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
8740 #ifdef CONFIG_NL80211_TESTMODE
8741 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
8743 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8744 struct wireless_dev
*wdev
=
8745 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8748 if (!rdev
->ops
->testmode_cmd
)
8752 err
= PTR_ERR(wdev
);
8756 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8760 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
8763 rdev
->cur_cmd_info
= info
;
8764 err
= rdev_testmode_cmd(rdev
, wdev
,
8765 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
8766 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
8767 rdev
->cur_cmd_info
= NULL
;
8772 static int nl80211_testmode_dump(struct sk_buff
*skb
,
8773 struct netlink_callback
*cb
)
8775 struct cfg80211_registered_device
*rdev
;
8785 * 0 is a valid index, but not valid for args[0],
8786 * so we need to offset by 1.
8788 phy_idx
= cb
->args
[0] - 1;
8790 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
8796 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
8798 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
8799 attrbuf
, nl80211_fam
.maxattr
,
8800 nl80211_policy
, NULL
);
8804 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
8806 err
= PTR_ERR(rdev
);
8809 phy_idx
= rdev
->wiphy_idx
;
8811 if (attrbuf
[NL80211_ATTR_TESTDATA
])
8812 cb
->args
[1] = (long)attrbuf
[NL80211_ATTR_TESTDATA
];
8816 data
= nla_data((void *)cb
->args
[1]);
8817 data_len
= nla_len((void *)cb
->args
[1]);
8820 if (!rdev
->ops
->testmode_dump
) {
8826 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
8827 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
8828 NL80211_CMD_TESTMODE
);
8829 struct nlattr
*tmdata
;
8834 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
8835 genlmsg_cancel(skb
, hdr
);
8839 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
8841 genlmsg_cancel(skb
, hdr
);
8844 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
8845 nla_nest_end(skb
, tmdata
);
8847 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
8848 genlmsg_cancel(skb
, hdr
);
8851 genlmsg_cancel(skb
, hdr
);
8855 genlmsg_end(skb
, hdr
);
8860 cb
->args
[0] = phy_idx
+ 1;
8867 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
8869 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8870 struct net_device
*dev
= info
->user_ptr
[1];
8871 struct cfg80211_connect_params connect
;
8872 struct wiphy
*wiphy
;
8873 struct cfg80211_cached_keys
*connkeys
= NULL
;
8876 memset(&connect
, 0, sizeof(connect
));
8878 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8881 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
8882 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
8885 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
8887 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
8888 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
8889 NL80211_CMD_CONNECT
))
8892 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
8894 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
8896 if (info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
] &&
8897 !wiphy_ext_feature_isset(&rdev
->wiphy
,
8898 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
8900 connect
.want_1x
= info
->attrs
[NL80211_ATTR_WANT_1X_4WAY_HS
];
8902 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
8903 NL80211_MAX_NR_CIPHER_SUITES
);
8907 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8908 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8911 wiphy
= &rdev
->wiphy
;
8913 connect
.bg_scan_period
= -1;
8914 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
8915 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
8916 connect
.bg_scan_period
=
8917 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
8920 if (info
->attrs
[NL80211_ATTR_MAC
])
8921 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8922 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
8923 connect
.bssid_hint
=
8924 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
8925 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
8926 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
8928 if (info
->attrs
[NL80211_ATTR_IE
]) {
8929 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8930 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8933 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
8934 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
8935 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
8936 connect
.mfp
!= NL80211_MFP_NO
)
8939 connect
.mfp
= NL80211_MFP_NO
;
8942 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
8943 connect
.prev_bssid
=
8944 nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
8946 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8947 connect
.channel
= nl80211_get_valid_chan(
8948 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
8949 if (!connect
.channel
)
8951 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
8952 connect
.channel_hint
= nl80211_get_valid_chan(
8953 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
8954 if (!connect
.channel_hint
)
8958 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
8959 connkeys
= nl80211_parse_connkeys(rdev
,
8960 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
8961 if (IS_ERR(connkeys
))
8962 return PTR_ERR(connkeys
);
8965 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
8966 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
8968 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
8969 memcpy(&connect
.ht_capa_mask
,
8970 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
8971 sizeof(connect
.ht_capa_mask
));
8973 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
8974 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
8978 memcpy(&connect
.ht_capa
,
8979 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
8980 sizeof(connect
.ht_capa
));
8983 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
8984 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
8986 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
8987 memcpy(&connect
.vht_capa_mask
,
8988 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
8989 sizeof(connect
.vht_capa_mask
));
8991 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
8992 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
8996 memcpy(&connect
.vht_capa
,
8997 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
8998 sizeof(connect
.vht_capa
));
9001 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
9002 if (!((rdev
->wiphy
.features
&
9003 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) &&
9004 (rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) &&
9005 !wiphy_ext_feature_isset(&rdev
->wiphy
,
9006 NL80211_EXT_FEATURE_RRM
)) {
9010 connect
.flags
|= ASSOC_REQ_USE_RRM
;
9013 connect
.pbss
= nla_get_flag(info
->attrs
[NL80211_ATTR_PBSS
]);
9014 if (connect
.pbss
&& !rdev
->wiphy
.bands
[NL80211_BAND_60GHZ
]) {
9019 if (info
->attrs
[NL80211_ATTR_BSS_SELECT
]) {
9020 /* bss selection makes no sense if bssid is set */
9021 if (connect
.bssid
) {
9026 err
= parse_bss_select(info
->attrs
[NL80211_ATTR_BSS_SELECT
],
9027 wiphy
, &connect
.bss_select
);
9034 if (wiphy_ext_feature_isset(&rdev
->wiphy
,
9035 NL80211_EXT_FEATURE_FILS_SK_OFFLOAD
) &&
9036 info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] &&
9037 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] &&
9038 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] &&
9039 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9040 connect
.fils_erp_username
=
9041 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9042 connect
.fils_erp_username_len
=
9043 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
]);
9044 connect
.fils_erp_realm
=
9045 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9046 connect
.fils_erp_realm_len
=
9047 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
]);
9048 connect
.fils_erp_next_seq_num
=
9050 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
]);
9051 connect
.fils_erp_rrk
=
9052 nla_data(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9053 connect
.fils_erp_rrk_len
=
9054 nla_len(info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]);
9055 } else if (info
->attrs
[NL80211_ATTR_FILS_ERP_USERNAME
] ||
9056 info
->attrs
[NL80211_ATTR_FILS_ERP_REALM
] ||
9057 info
->attrs
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
] ||
9058 info
->attrs
[NL80211_ATTR_FILS_ERP_RRK
]) {
9063 wdev_lock(dev
->ieee80211_ptr
);
9065 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
,
9066 connect
.prev_bssid
);
9070 if (!err
&& info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
9071 dev
->ieee80211_ptr
->conn_owner_nlportid
= info
->snd_portid
;
9073 memcpy(dev
->ieee80211_ptr
->disconnect_bssid
,
9074 connect
.bssid
, ETH_ALEN
);
9076 memset(dev
->ieee80211_ptr
->disconnect_bssid
,
9080 wdev_unlock(dev
->ieee80211_ptr
);
9085 static int nl80211_update_connect_params(struct sk_buff
*skb
,
9086 struct genl_info
*info
)
9088 struct cfg80211_connect_params connect
= {};
9089 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9090 struct net_device
*dev
= info
->user_ptr
[1];
9091 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9095 if (!rdev
->ops
->update_connect_params
)
9098 if (info
->attrs
[NL80211_ATTR_IE
]) {
9099 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9101 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9102 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9103 changed
|= UPDATE_ASSOC_IES
;
9106 wdev_lock(dev
->ieee80211_ptr
);
9107 if (!wdev
->current_bss
)
9110 ret
= rdev_update_connect_params(rdev
, dev
, &connect
, changed
);
9111 wdev_unlock(dev
->ieee80211_ptr
);
9116 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
9118 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9119 struct net_device
*dev
= info
->user_ptr
[1];
9123 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
9124 reason
= WLAN_REASON_DEAUTH_LEAVING
;
9126 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
9131 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9132 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9135 wdev_lock(dev
->ieee80211_ptr
);
9136 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
9137 wdev_unlock(dev
->ieee80211_ptr
);
9141 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
9143 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9147 if (info
->attrs
[NL80211_ATTR_PID
]) {
9148 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
9150 net
= get_net_ns_by_pid(pid
);
9151 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
9152 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
9154 net
= get_net_ns_by_fd(fd
);
9160 return PTR_ERR(net
);
9164 /* check if anything to do */
9165 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
9166 err
= cfg80211_switch_netns(rdev
, net
);
9172 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9174 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9175 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
9176 struct cfg80211_pmksa
*pmksa
) = NULL
;
9177 struct net_device
*dev
= info
->user_ptr
[1];
9178 struct cfg80211_pmksa pmksa
;
9180 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
9182 if (!info
->attrs
[NL80211_ATTR_PMKID
])
9185 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
9187 if (info
->attrs
[NL80211_ATTR_MAC
]) {
9188 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9189 } else if (info
->attrs
[NL80211_ATTR_SSID
] &&
9190 info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
] &&
9191 (info
->genlhdr
->cmd
== NL80211_CMD_DEL_PMKSA
||
9192 info
->attrs
[NL80211_ATTR_PMK
])) {
9193 pmksa
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
9194 pmksa
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
9196 nla_data(info
->attrs
[NL80211_ATTR_FILS_CACHE_ID
]);
9200 if (info
->attrs
[NL80211_ATTR_PMK
]) {
9201 pmksa
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
9202 pmksa
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
9205 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9206 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9209 switch (info
->genlhdr
->cmd
) {
9210 case NL80211_CMD_SET_PMKSA
:
9211 rdev_ops
= rdev
->ops
->set_pmksa
;
9213 case NL80211_CMD_DEL_PMKSA
:
9214 rdev_ops
= rdev
->ops
->del_pmksa
;
9224 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
9227 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
9229 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9230 struct net_device
*dev
= info
->user_ptr
[1];
9232 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
9233 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9236 if (!rdev
->ops
->flush_pmksa
)
9239 return rdev_flush_pmksa(rdev
, dev
);
9242 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9244 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9245 struct net_device
*dev
= info
->user_ptr
[1];
9246 u8 action_code
, dialog_token
;
9247 u32 peer_capability
= 0;
9252 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9253 !rdev
->ops
->tdls_mgmt
)
9256 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
9257 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
9258 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
9259 !info
->attrs
[NL80211_ATTR_IE
] ||
9260 !info
->attrs
[NL80211_ATTR_MAC
])
9263 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9264 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
9265 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
9266 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
9267 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
9268 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
9270 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
9272 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
9273 dialog_token
, status_code
, peer_capability
,
9275 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
9276 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
9279 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
9281 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9282 struct net_device
*dev
= info
->user_ptr
[1];
9283 enum nl80211_tdls_operation operation
;
9286 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
9287 !rdev
->ops
->tdls_oper
)
9290 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
9291 !info
->attrs
[NL80211_ATTR_MAC
])
9294 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
9295 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9297 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
9300 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
9301 struct genl_info
*info
)
9303 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9304 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9305 struct cfg80211_chan_def chandef
;
9306 const struct cfg80211_chan_def
*compat_chandef
;
9307 struct sk_buff
*msg
;
9313 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
9314 !info
->attrs
[NL80211_ATTR_DURATION
])
9317 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9319 if (!rdev
->ops
->remain_on_channel
||
9320 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
9324 * We should be on that channel for at least a minimum amount of
9325 * time (10ms) but no longer than the driver supports.
9327 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9328 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
9331 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9336 if (!cfg80211_off_channel_oper_allowed(wdev
) &&
9337 !cfg80211_chandef_identical(&wdev
->chandef
, &chandef
)) {
9338 compat_chandef
= cfg80211_chandef_compatible(&wdev
->chandef
,
9340 if (compat_chandef
!= &chandef
) {
9347 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9351 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9352 NL80211_CMD_REMAIN_ON_CHANNEL
);
9358 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
9364 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9366 goto nla_put_failure
;
9368 genlmsg_end(msg
, hdr
);
9370 return genlmsg_reply(msg
, info
);
9379 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
9380 struct genl_info
*info
)
9382 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9383 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9386 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9389 if (!rdev
->ops
->cancel_remain_on_channel
)
9392 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9394 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
9397 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
9398 struct genl_info
*info
)
9400 struct cfg80211_bitrate_mask mask
;
9401 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9402 struct net_device
*dev
= info
->user_ptr
[1];
9405 if (!rdev
->ops
->set_bitrate_mask
)
9408 err
= nl80211_parse_tx_bitrate_mask(info
, &mask
);
9412 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
9415 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9417 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9418 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9419 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
9421 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
9424 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
9425 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
9427 switch (wdev
->iftype
) {
9428 case NL80211_IFTYPE_STATION
:
9429 case NL80211_IFTYPE_ADHOC
:
9430 case NL80211_IFTYPE_P2P_CLIENT
:
9431 case NL80211_IFTYPE_AP
:
9432 case NL80211_IFTYPE_AP_VLAN
:
9433 case NL80211_IFTYPE_MESH_POINT
:
9434 case NL80211_IFTYPE_P2P_GO
:
9435 case NL80211_IFTYPE_P2P_DEVICE
:
9437 case NL80211_IFTYPE_NAN
:
9442 /* not much point in registering if we can't reply */
9443 if (!rdev
->ops
->mgmt_tx
)
9446 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
9447 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
9448 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
9451 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
9453 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9454 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9455 struct cfg80211_chan_def chandef
;
9459 struct sk_buff
*msg
= NULL
;
9460 struct cfg80211_mgmt_tx_params params
= {
9461 .dont_wait_for_ack
=
9462 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
9465 if (!info
->attrs
[NL80211_ATTR_FRAME
])
9468 if (!rdev
->ops
->mgmt_tx
)
9471 switch (wdev
->iftype
) {
9472 case NL80211_IFTYPE_P2P_DEVICE
:
9473 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
9475 case NL80211_IFTYPE_STATION
:
9476 case NL80211_IFTYPE_ADHOC
:
9477 case NL80211_IFTYPE_P2P_CLIENT
:
9478 case NL80211_IFTYPE_AP
:
9479 case NL80211_IFTYPE_AP_VLAN
:
9480 case NL80211_IFTYPE_MESH_POINT
:
9481 case NL80211_IFTYPE_P2P_GO
:
9483 case NL80211_IFTYPE_NAN
:
9488 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
9489 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9491 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
9494 * We should wait on the channel for at least a minimum amount
9495 * of time (10ms) but no longer than the driver supports.
9497 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
9498 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
9502 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
9504 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
9507 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
9509 /* get the channel if any has been specified, otherwise pass NULL to
9510 * the driver. The latter will use the current one
9512 chandef
.chan
= NULL
;
9513 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9514 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9519 if (!chandef
.chan
&& params
.offchan
)
9523 if (params
.offchan
&& !cfg80211_off_channel_oper_allowed(wdev
)) {
9529 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
9530 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
9532 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
9533 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9536 if (len
% sizeof(u16
))
9539 params
.n_csa_offsets
= len
/ sizeof(u16
);
9540 params
.csa_offsets
=
9541 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
9543 /* check that all the offsets fit the frame */
9544 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
9545 if (params
.csa_offsets
[i
] >= params
.len
)
9550 if (!params
.dont_wait_for_ack
) {
9551 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9555 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9563 params
.chan
= chandef
.chan
;
9564 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
9569 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
9571 goto nla_put_failure
;
9573 genlmsg_end(msg
, hdr
);
9574 return genlmsg_reply(msg
, info
);
9586 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
9588 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9589 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9592 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
9595 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
9598 switch (wdev
->iftype
) {
9599 case NL80211_IFTYPE_STATION
:
9600 case NL80211_IFTYPE_ADHOC
:
9601 case NL80211_IFTYPE_P2P_CLIENT
:
9602 case NL80211_IFTYPE_AP
:
9603 case NL80211_IFTYPE_AP_VLAN
:
9604 case NL80211_IFTYPE_P2P_GO
:
9605 case NL80211_IFTYPE_P2P_DEVICE
:
9607 case NL80211_IFTYPE_NAN
:
9612 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
9614 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
9617 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9619 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9620 struct wireless_dev
*wdev
;
9621 struct net_device
*dev
= info
->user_ptr
[1];
9626 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
9629 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
9631 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
9634 wdev
= dev
->ieee80211_ptr
;
9636 if (!rdev
->ops
->set_power_mgmt
)
9639 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
9641 if (state
== wdev
->ps
)
9644 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
9650 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
9652 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9653 enum nl80211_ps_state ps_state
;
9654 struct wireless_dev
*wdev
;
9655 struct net_device
*dev
= info
->user_ptr
[1];
9656 struct sk_buff
*msg
;
9660 wdev
= dev
->ieee80211_ptr
;
9662 if (!rdev
->ops
->set_power_mgmt
)
9665 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9669 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9670 NL80211_CMD_GET_POWER_SAVE
);
9677 ps_state
= NL80211_PS_ENABLED
;
9679 ps_state
= NL80211_PS_DISABLED
;
9681 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
9682 goto nla_put_failure
;
9684 genlmsg_end(msg
, hdr
);
9685 return genlmsg_reply(msg
, info
);
9694 static const struct nla_policy
9695 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
9696 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_BINARY
},
9697 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
9698 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
9699 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
9700 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
9701 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
9702 [NL80211_ATTR_CQM_RSSI_LEVEL
] = { .type
= NLA_S32
},
9705 static int nl80211_set_cqm_txe(struct genl_info
*info
,
9706 u32 rate
, u32 pkts
, u32 intvl
)
9708 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9709 struct net_device
*dev
= info
->user_ptr
[1];
9710 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9712 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
9715 if (!rdev
->ops
->set_cqm_txe_config
)
9718 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9719 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9722 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
9725 static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device
*rdev
,
9726 struct net_device
*dev
)
9728 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9729 s32 last
, low
, high
;
9734 /* RSSI reporting disabled? */
9735 if (!wdev
->cqm_config
)
9736 return rdev_set_cqm_rssi_range_config(rdev
, dev
, 0, 0);
9739 * Obtain current RSSI value if possible, if not and no RSSI threshold
9740 * event has been received yet, we should receive an event after a
9741 * connection is established and enough beacons received to calculate
9744 if (!wdev
->cqm_config
->last_rssi_event_value
&& wdev
->current_bss
&&
9745 rdev
->ops
->get_station
) {
9746 struct station_info sinfo
;
9749 mac_addr
= wdev
->current_bss
->pub
.bssid
;
9751 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
9755 if (sinfo
.filled
& BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG
))
9756 wdev
->cqm_config
->last_rssi_event_value
=
9757 (s8
) sinfo
.rx_beacon_signal_avg
;
9760 last
= wdev
->cqm_config
->last_rssi_event_value
;
9761 hyst
= wdev
->cqm_config
->rssi_hyst
;
9762 n
= wdev
->cqm_config
->n_rssi_thresholds
;
9764 for (i
= 0; i
< n
; i
++)
9765 if (last
< wdev
->cqm_config
->rssi_thresholds
[i
])
9769 (wdev
->cqm_config
->rssi_thresholds
[i
- 1] - hyst
) : S32_MIN
;
9771 (wdev
->cqm_config
->rssi_thresholds
[i
] + hyst
- 1) : S32_MAX
;
9773 return rdev_set_cqm_rssi_range_config(rdev
, dev
, low
, high
);
9776 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
9777 const s32
*thresholds
, int n_thresholds
,
9780 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9781 struct net_device
*dev
= info
->user_ptr
[1];
9782 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9786 /* Check all values negative and sorted */
9787 for (i
= 0; i
< n_thresholds
; i
++) {
9788 if (thresholds
[i
] > 0 || thresholds
[i
] <= prev
)
9791 prev
= thresholds
[i
];
9794 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
9795 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
9799 cfg80211_cqm_config_free(wdev
);
9802 if (n_thresholds
<= 1 && rdev
->ops
->set_cqm_rssi_config
) {
9803 if (n_thresholds
== 0 || thresholds
[0] == 0) /* Disabling */
9804 return rdev_set_cqm_rssi_config(rdev
, dev
, 0, 0);
9806 return rdev_set_cqm_rssi_config(rdev
, dev
,
9807 thresholds
[0], hysteresis
);
9810 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
9811 NL80211_EXT_FEATURE_CQM_RSSI_LIST
))
9814 if (n_thresholds
== 1 && thresholds
[0] == 0) /* Disabling */
9819 struct cfg80211_cqm_config
*cqm_config
;
9821 cqm_config
= kzalloc(sizeof(struct cfg80211_cqm_config
) +
9822 n_thresholds
* sizeof(s32
), GFP_KERNEL
);
9828 cqm_config
->rssi_hyst
= hysteresis
;
9829 cqm_config
->n_rssi_thresholds
= n_thresholds
;
9830 memcpy(cqm_config
->rssi_thresholds
, thresholds
,
9831 n_thresholds
* sizeof(s32
));
9833 wdev
->cqm_config
= cqm_config
;
9836 err
= cfg80211_cqm_rssi_update(rdev
, dev
);
9844 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
9846 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
9850 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
9854 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
9855 nl80211_attr_cqm_policy
, info
->extack
);
9859 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
9860 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
9861 const s32
*thresholds
=
9862 nla_data(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9863 int len
= nla_len(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
9864 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
9869 return nl80211_set_cqm_rssi(info
, thresholds
, len
/ 4,
9873 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
9874 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
9875 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
9876 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
9877 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
9878 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
9880 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
9886 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9888 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9889 struct net_device
*dev
= info
->user_ptr
[1];
9890 struct ocb_setup setup
= {};
9893 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9897 return cfg80211_join_ocb(rdev
, dev
, &setup
);
9900 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
9902 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9903 struct net_device
*dev
= info
->user_ptr
[1];
9905 return cfg80211_leave_ocb(rdev
, dev
);
9908 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
9910 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9911 struct net_device
*dev
= info
->user_ptr
[1];
9912 struct mesh_config cfg
;
9913 struct mesh_setup setup
;
9916 /* start with default */
9917 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
9918 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
9920 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
9921 /* and parse parameters if given */
9922 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
9927 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
9928 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
9931 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9932 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
9934 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
9935 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
9936 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
9939 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
9940 setup
.beacon_interval
=
9941 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
9943 err
= cfg80211_validate_beacon_int(rdev
,
9944 NL80211_IFTYPE_MESH_POINT
,
9945 setup
.beacon_interval
);
9950 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
9952 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
9953 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
9957 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
9958 /* parse additional setup parameters if given */
9959 err
= nl80211_parse_mesh_setup(info
, &setup
);
9965 cfg
.auto_open_plinks
= false;
9967 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
9968 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
9972 /* cfg80211_join_mesh() will sort it out */
9973 setup
.chandef
.chan
= NULL
;
9976 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
9977 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9979 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
9980 struct ieee80211_supported_band
*sband
;
9982 if (!setup
.chandef
.chan
)
9985 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
9987 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
9988 &setup
.basic_rates
);
9993 if (info
->attrs
[NL80211_ATTR_TX_RATES
]) {
9994 err
= nl80211_parse_tx_bitrate_mask(info
, &setup
.beacon_rate
);
9998 if (!setup
.chandef
.chan
)
10001 err
= validate_beacon_tx_rate(rdev
, setup
.chandef
.chan
->band
,
10002 &setup
.beacon_rate
);
10007 setup
.userspace_handles_dfs
=
10008 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
10010 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
10013 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
10015 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10016 struct net_device
*dev
= info
->user_ptr
[1];
10018 return cfg80211_leave_mesh(rdev
, dev
);
10022 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
10023 struct cfg80211_registered_device
*rdev
)
10025 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
10026 struct nlattr
*nl_pats
, *nl_pat
;
10029 if (!wowlan
->n_patterns
)
10032 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
10036 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
10037 nl_pat
= nla_nest_start(msg
, i
+ 1);
10040 pat_len
= wowlan
->patterns
[i
].pattern_len
;
10041 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
10042 wowlan
->patterns
[i
].mask
) ||
10043 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10044 wowlan
->patterns
[i
].pattern
) ||
10045 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10046 wowlan
->patterns
[i
].pkt_offset
))
10048 nla_nest_end(msg
, nl_pat
);
10050 nla_nest_end(msg
, nl_pats
);
10055 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
10056 struct cfg80211_wowlan_tcp
*tcp
)
10058 struct nlattr
*nl_tcp
;
10063 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
10067 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
10068 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
10069 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
10070 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
10071 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
10072 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
10073 tcp
->payload_len
, tcp
->payload
) ||
10074 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
10075 tcp
->data_interval
) ||
10076 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
10077 tcp
->wake_len
, tcp
->wake_data
) ||
10078 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
10079 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
10082 if (tcp
->payload_seq
.len
&&
10083 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
10084 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
10087 if (tcp
->payload_tok
.len
&&
10088 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
10089 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
10090 &tcp
->payload_tok
))
10093 nla_nest_end(msg
, nl_tcp
);
10098 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
10099 struct cfg80211_sched_scan_request
*req
)
10101 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
10107 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
10111 if (req
->n_scan_plans
== 1 &&
10112 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
10113 req
->scan_plans
[0].interval
* 1000))
10116 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
10119 if (req
->relative_rssi_set
) {
10120 struct nl80211_bss_select_rssi_adjust rssi_adjust
;
10122 if (nla_put_s8(msg
, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI
,
10123 req
->relative_rssi
))
10126 rssi_adjust
.band
= req
->rssi_adjust
.band
;
10127 rssi_adjust
.delta
= req
->rssi_adjust
.delta
;
10128 if (nla_put(msg
, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST
,
10129 sizeof(rssi_adjust
), &rssi_adjust
))
10133 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10137 for (i
= 0; i
< req
->n_channels
; i
++) {
10138 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10142 nla_nest_end(msg
, freqs
);
10144 if (req
->n_match_sets
) {
10145 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
10149 for (i
= 0; i
< req
->n_match_sets
; i
++) {
10150 match
= nla_nest_start(msg
, i
);
10154 if (nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
10155 req
->match_sets
[i
].ssid
.ssid_len
,
10156 req
->match_sets
[i
].ssid
.ssid
))
10158 nla_nest_end(msg
, match
);
10160 nla_nest_end(msg
, matches
);
10163 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
10167 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
10168 scan_plan
= nla_nest_start(msg
, i
+ 1);
10173 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
10174 req
->scan_plans
[i
].interval
) ||
10175 (req
->scan_plans
[i
].iterations
&&
10176 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
10177 req
->scan_plans
[i
].iterations
)))
10179 nla_nest_end(msg
, scan_plan
);
10181 nla_nest_end(msg
, scan_plans
);
10183 nla_nest_end(msg
, nd
);
10188 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10190 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10191 struct sk_buff
*msg
;
10193 u32 size
= NLMSG_DEFAULT_SIZE
;
10195 if (!rdev
->wiphy
.wowlan
)
10196 return -EOPNOTSUPP
;
10198 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
10199 /* adjust size to have room for all the data */
10200 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
10201 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
10202 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
10203 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
10206 msg
= nlmsg_new(size
, GFP_KERNEL
);
10210 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10211 NL80211_CMD_GET_WOWLAN
);
10213 goto nla_put_failure
;
10215 if (rdev
->wiphy
.wowlan_config
) {
10216 struct nlattr
*nl_wowlan
;
10218 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
10220 goto nla_put_failure
;
10222 if ((rdev
->wiphy
.wowlan_config
->any
&&
10223 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
10224 (rdev
->wiphy
.wowlan_config
->disconnect
&&
10225 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
10226 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
10227 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
10228 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
10229 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
10230 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
10231 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
10232 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
10233 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
10234 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
10235 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
10236 goto nla_put_failure
;
10238 if (nl80211_send_wowlan_patterns(msg
, rdev
))
10239 goto nla_put_failure
;
10241 if (nl80211_send_wowlan_tcp(msg
,
10242 rdev
->wiphy
.wowlan_config
->tcp
))
10243 goto nla_put_failure
;
10245 if (nl80211_send_wowlan_nd(
10247 rdev
->wiphy
.wowlan_config
->nd_config
))
10248 goto nla_put_failure
;
10250 nla_nest_end(msg
, nl_wowlan
);
10253 genlmsg_end(msg
, hdr
);
10254 return genlmsg_reply(msg
, info
);
10261 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
10262 struct nlattr
*attr
,
10263 struct cfg80211_wowlan
*trig
)
10265 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
10266 struct cfg80211_wowlan_tcp
*cfg
;
10267 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
10268 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
10270 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
10273 if (!rdev
->wiphy
.wowlan
->tcp
)
10276 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TCP
, attr
,
10277 nl80211_wowlan_tcp_policy
, NULL
);
10281 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
10282 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
10283 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
10284 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
10285 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
10286 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
10287 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
10288 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
10291 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
10292 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
10295 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
10296 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
10297 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
10300 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
10301 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
10304 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
10305 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
10308 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
10309 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10311 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
10312 tokens_size
= tokln
- sizeof(*tok
);
10314 if (!tok
->len
|| tokens_size
% tok
->len
)
10316 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
10318 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
10320 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
10322 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
10324 if (tok
->offset
+ tok
->len
> data_size
)
10328 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
10329 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
10330 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
10332 if (seq
->len
== 0 || seq
->len
> 4)
10334 if (seq
->len
+ seq
->offset
> data_size
)
10338 size
= sizeof(*cfg
);
10340 size
+= wake_size
+ wake_mask_size
;
10341 size
+= tokens_size
;
10343 cfg
= kzalloc(size
, GFP_KERNEL
);
10346 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
10347 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
10348 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
10350 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
10351 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
10355 /* allocate a socket and port for it and use it */
10356 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
10357 IPPROTO_TCP
, &cfg
->sock
, 1);
10362 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
10363 sock_release(cfg
->sock
);
10365 return -EADDRINUSE
;
10367 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
10373 cfg
->src_port
= port
;
10376 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
10377 cfg
->payload_len
= data_size
;
10378 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
10379 memcpy((void *)cfg
->payload
,
10380 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
10383 cfg
->payload_seq
= *seq
;
10384 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
10385 cfg
->wake_len
= wake_size
;
10386 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
10387 memcpy((void *)cfg
->wake_data
,
10388 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
10390 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
10391 data_size
+ wake_size
;
10392 memcpy((void *)cfg
->wake_mask
,
10393 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
10396 cfg
->tokens_size
= tokens_size
;
10397 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
10405 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
10406 const struct wiphy_wowlan_support
*wowlan
,
10407 struct nlattr
*attr
,
10408 struct cfg80211_wowlan
*trig
)
10410 struct nlattr
**tb
;
10413 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
10417 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
10422 err
= nla_parse_nested(tb
, NL80211_ATTR_MAX
, attr
, nl80211_policy
,
10427 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
,
10428 wowlan
->max_nd_match_sets
);
10429 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
10431 trig
->nd_config
= NULL
;
10438 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
10440 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10441 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
10442 struct cfg80211_wowlan new_triggers
= {};
10443 struct cfg80211_wowlan
*ntrig
;
10444 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
10446 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
10447 bool regular
= false;
10450 return -EOPNOTSUPP
;
10452 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
10453 cfg80211_rdev_free_wowlan(rdev
);
10454 rdev
->wiphy
.wowlan_config
= NULL
;
10458 err
= nla_parse_nested(tb
, MAX_NL80211_WOWLAN_TRIG
,
10459 info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
],
10460 nl80211_wowlan_policy
, info
->extack
);
10464 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
10465 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
10467 new_triggers
.any
= true;
10470 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
10471 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
10473 new_triggers
.disconnect
= true;
10477 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
10478 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
10480 new_triggers
.magic_pkt
= true;
10484 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
10487 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
10488 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
10490 new_triggers
.gtk_rekey_failure
= true;
10494 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
10495 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
10497 new_triggers
.eap_identity_req
= true;
10501 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
10502 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
10504 new_triggers
.four_way_handshake
= true;
10508 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
10509 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
10511 new_triggers
.rfkill_release
= true;
10515 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
10516 struct nlattr
*pat
;
10517 int n_patterns
= 0;
10518 int rem
, pat_len
, mask_len
, pkt_offset
;
10519 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10523 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10526 if (n_patterns
> wowlan
->n_patterns
)
10529 new_triggers
.patterns
= kcalloc(n_patterns
,
10530 sizeof(new_triggers
.patterns
[0]),
10532 if (!new_triggers
.patterns
)
10535 new_triggers
.n_patterns
= n_patterns
;
10538 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
10542 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10543 nl80211_packet_pattern_policy
,
10546 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10547 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10549 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10550 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10551 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10553 if (pat_len
> wowlan
->pattern_max_len
||
10554 pat_len
< wowlan
->pattern_min_len
)
10557 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10560 pkt_offset
= nla_get_u32(
10561 pat_tb
[NL80211_PKTPAT_OFFSET
]);
10562 if (pkt_offset
> wowlan
->max_pkt_offset
)
10564 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
10566 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10571 new_triggers
.patterns
[i
].mask
= mask_pat
;
10572 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10574 mask_pat
+= mask_len
;
10575 new_triggers
.patterns
[i
].pattern
= mask_pat
;
10576 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
10578 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10584 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
10586 err
= nl80211_parse_wowlan_tcp(
10587 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
10593 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
10595 err
= nl80211_parse_wowlan_nd(
10596 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
10602 /* The 'any' trigger means the device continues operating more or less
10603 * as in its normal operation mode and wakes up the host on most of the
10604 * normal interrupts (like packet RX, ...)
10605 * It therefore makes little sense to combine with the more constrained
10606 * wakeup trigger modes.
10608 if (new_triggers
.any
&& regular
) {
10613 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
10618 cfg80211_rdev_free_wowlan(rdev
);
10619 rdev
->wiphy
.wowlan_config
= ntrig
;
10622 if (rdev
->ops
->set_wakeup
&&
10623 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
10624 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
10628 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
10629 kfree(new_triggers
.patterns
[i
].mask
);
10630 kfree(new_triggers
.patterns
);
10631 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
10632 sock_release(new_triggers
.tcp
->sock
);
10633 kfree(new_triggers
.tcp
);
10634 kfree(new_triggers
.nd_config
);
10639 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
10640 struct cfg80211_registered_device
*rdev
)
10642 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
10644 struct cfg80211_coalesce_rules
*rule
;
10646 if (!rdev
->coalesce
->n_rules
)
10649 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
10653 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
10654 nl_rule
= nla_nest_start(msg
, i
+ 1);
10658 rule
= &rdev
->coalesce
->rules
[i
];
10659 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
10663 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
10667 nl_pats
= nla_nest_start(msg
,
10668 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
10672 for (j
= 0; j
< rule
->n_patterns
; j
++) {
10673 nl_pat
= nla_nest_start(msg
, j
+ 1);
10676 pat_len
= rule
->patterns
[j
].pattern_len
;
10677 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
10678 DIV_ROUND_UP(pat_len
, 8),
10679 rule
->patterns
[j
].mask
) ||
10680 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
10681 rule
->patterns
[j
].pattern
) ||
10682 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
10683 rule
->patterns
[j
].pkt_offset
))
10685 nla_nest_end(msg
, nl_pat
);
10687 nla_nest_end(msg
, nl_pats
);
10688 nla_nest_end(msg
, nl_rule
);
10690 nla_nest_end(msg
, nl_rules
);
10695 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10697 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10698 struct sk_buff
*msg
;
10701 if (!rdev
->wiphy
.coalesce
)
10702 return -EOPNOTSUPP
;
10704 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10708 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10709 NL80211_CMD_GET_COALESCE
);
10711 goto nla_put_failure
;
10713 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
10714 goto nla_put_failure
;
10716 genlmsg_end(msg
, hdr
);
10717 return genlmsg_reply(msg
, info
);
10724 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
10726 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
10728 struct cfg80211_coalesce_rules
*rule
;
10733 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
10734 rule
= &coalesce
->rules
[i
];
10735 for (j
= 0; j
< rule
->n_patterns
; j
++)
10736 kfree(rule
->patterns
[j
].mask
);
10737 kfree(rule
->patterns
);
10739 kfree(coalesce
->rules
);
10741 rdev
->coalesce
= NULL
;
10744 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
10745 struct nlattr
*rule
,
10746 struct cfg80211_coalesce_rules
*new_rule
)
10749 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10750 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
10751 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
10752 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
10754 err
= nla_parse_nested(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, rule
,
10755 nl80211_coalesce_policy
, NULL
);
10759 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
10761 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
10762 if (new_rule
->delay
> coalesce
->max_delay
)
10765 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
10766 new_rule
->condition
=
10767 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
10768 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
10769 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
10772 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
10775 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10778 if (n_patterns
> coalesce
->n_patterns
)
10781 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
10783 if (!new_rule
->patterns
)
10786 new_rule
->n_patterns
= n_patterns
;
10789 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
10793 nla_parse_nested(pat_tb
, MAX_NL80211_PKTPAT
, pat
,
10794 nl80211_packet_pattern_policy
, NULL
);
10795 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
10796 !pat_tb
[NL80211_PKTPAT_PATTERN
])
10798 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
10799 mask_len
= DIV_ROUND_UP(pat_len
, 8);
10800 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
10802 if (pat_len
> coalesce
->pattern_max_len
||
10803 pat_len
< coalesce
->pattern_min_len
)
10806 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
10809 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
10810 if (pkt_offset
> coalesce
->max_pkt_offset
)
10812 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
10814 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
10818 new_rule
->patterns
[i
].mask
= mask_pat
;
10819 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
10822 mask_pat
+= mask_len
;
10823 new_rule
->patterns
[i
].pattern
= mask_pat
;
10824 new_rule
->patterns
[i
].pattern_len
= pat_len
;
10825 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
10833 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
10835 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10836 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
10837 struct cfg80211_coalesce new_coalesce
= {};
10838 struct cfg80211_coalesce
*n_coalesce
;
10839 int err
, rem_rule
, n_rules
= 0, i
, j
;
10840 struct nlattr
*rule
;
10841 struct cfg80211_coalesce_rules
*tmp_rule
;
10843 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
10844 return -EOPNOTSUPP
;
10846 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
10847 cfg80211_rdev_free_coalesce(rdev
);
10848 rdev_set_coalesce(rdev
, NULL
);
10852 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10855 if (n_rules
> coalesce
->n_rules
)
10858 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
10860 if (!new_coalesce
.rules
)
10863 new_coalesce
.n_rules
= n_rules
;
10866 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
10868 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
10869 &new_coalesce
.rules
[i
]);
10876 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
10880 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
10885 cfg80211_rdev_free_coalesce(rdev
);
10886 rdev
->coalesce
= n_coalesce
;
10890 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
10891 tmp_rule
= &new_coalesce
.rules
[i
];
10892 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
10893 kfree(tmp_rule
->patterns
[j
].mask
);
10894 kfree(tmp_rule
->patterns
);
10896 kfree(new_coalesce
.rules
);
10901 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
10903 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10904 struct net_device
*dev
= info
->user_ptr
[1];
10905 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10906 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
10907 struct cfg80211_gtk_rekey_data rekey_data
;
10910 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
10913 err
= nla_parse_nested(tb
, MAX_NL80211_REKEY_DATA
,
10914 info
->attrs
[NL80211_ATTR_REKEY_DATA
],
10915 nl80211_rekey_policy
, info
->extack
);
10919 if (!tb
[NL80211_REKEY_DATA_REPLAY_CTR
] || !tb
[NL80211_REKEY_DATA_KEK
] ||
10920 !tb
[NL80211_REKEY_DATA_KCK
])
10922 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
10924 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
10926 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
10929 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
10930 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
10931 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
10934 if (!wdev
->current_bss
) {
10939 if (!rdev
->ops
->set_rekey_data
) {
10944 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
10950 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
10951 struct genl_info
*info
)
10953 struct net_device
*dev
= info
->user_ptr
[1];
10954 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10956 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10957 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10960 if (wdev
->ap_unexpected_nlportid
)
10963 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
10967 static int nl80211_probe_client(struct sk_buff
*skb
,
10968 struct genl_info
*info
)
10970 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10971 struct net_device
*dev
= info
->user_ptr
[1];
10972 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10973 struct sk_buff
*msg
;
10979 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10980 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
10981 return -EOPNOTSUPP
;
10983 if (!info
->attrs
[NL80211_ATTR_MAC
])
10986 if (!rdev
->ops
->probe_client
)
10987 return -EOPNOTSUPP
;
10989 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10993 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10994 NL80211_CMD_PROBE_CLIENT
);
11000 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
11002 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
11006 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11008 goto nla_put_failure
;
11010 genlmsg_end(msg
, hdr
);
11012 return genlmsg_reply(msg
, info
);
11021 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
11023 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11024 struct cfg80211_beacon_registration
*reg
, *nreg
;
11027 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
11028 return -EOPNOTSUPP
;
11030 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
11034 /* First, check if already registered. */
11035 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11036 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11037 if (reg
->nlportid
== info
->snd_portid
) {
11042 /* Add it to the list */
11043 nreg
->nlportid
= info
->snd_portid
;
11044 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
11046 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11050 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11055 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11057 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11058 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11061 if (!rdev
->ops
->start_p2p_device
)
11062 return -EOPNOTSUPP
;
11064 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11065 return -EOPNOTSUPP
;
11067 if (wdev_running(wdev
))
11070 if (rfkill_blocked(rdev
->rfkill
))
11073 err
= rdev_start_p2p_device(rdev
, wdev
);
11077 wdev
->is_running
= true;
11083 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
11085 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11086 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11088 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
11089 return -EOPNOTSUPP
;
11091 if (!rdev
->ops
->stop_p2p_device
)
11092 return -EOPNOTSUPP
;
11094 cfg80211_stop_p2p_device(rdev
, wdev
);
11099 static int nl80211_start_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11101 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11102 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11103 struct cfg80211_nan_conf conf
= {};
11106 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11107 return -EOPNOTSUPP
;
11109 if (wdev_running(wdev
))
11112 if (rfkill_blocked(rdev
->rfkill
))
11115 if (!info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
])
11119 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11120 if (!conf
.master_pref
)
11123 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11124 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11126 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11127 return -EOPNOTSUPP
;
11129 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11132 conf
.bands
= bands
;
11135 err
= rdev_start_nan(rdev
, wdev
, &conf
);
11139 wdev
->is_running
= true;
11145 static int nl80211_stop_nan(struct sk_buff
*skb
, struct genl_info
*info
)
11147 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11148 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11150 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11151 return -EOPNOTSUPP
;
11153 cfg80211_stop_nan(rdev
, wdev
);
11158 static int validate_nan_filter(struct nlattr
*filter_attr
)
11160 struct nlattr
*attr
;
11161 int len
= 0, n_entries
= 0, rem
;
11163 nla_for_each_nested(attr
, filter_attr
, rem
) {
11164 len
+= nla_len(attr
);
11174 static int handle_nan_filter(struct nlattr
*attr_filter
,
11175 struct cfg80211_nan_func
*func
,
11178 struct nlattr
*attr
;
11179 int n_entries
, rem
, i
;
11180 struct cfg80211_nan_func_filter
*filter
;
11182 n_entries
= validate_nan_filter(attr_filter
);
11186 BUILD_BUG_ON(sizeof(*func
->rx_filters
) != sizeof(*func
->tx_filters
));
11188 filter
= kcalloc(n_entries
, sizeof(*func
->rx_filters
), GFP_KERNEL
);
11193 nla_for_each_nested(attr
, attr_filter
, rem
) {
11194 filter
[i
].filter
= nla_memdup(attr
, GFP_KERNEL
);
11195 filter
[i
].len
= nla_len(attr
);
11199 func
->num_tx_filters
= n_entries
;
11200 func
->tx_filters
= filter
;
11202 func
->num_rx_filters
= n_entries
;
11203 func
->rx_filters
= filter
;
11209 static int nl80211_nan_add_func(struct sk_buff
*skb
,
11210 struct genl_info
*info
)
11212 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11213 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11214 struct nlattr
*tb
[NUM_NL80211_NAN_FUNC_ATTR
], *func_attr
;
11215 struct cfg80211_nan_func
*func
;
11216 struct sk_buff
*msg
= NULL
;
11220 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11221 return -EOPNOTSUPP
;
11223 if (!wdev_running(wdev
))
11226 if (!info
->attrs
[NL80211_ATTR_NAN_FUNC
])
11229 err
= nla_parse_nested(tb
, NL80211_NAN_FUNC_ATTR_MAX
,
11230 info
->attrs
[NL80211_ATTR_NAN_FUNC
],
11231 nl80211_nan_func_policy
, info
->extack
);
11235 func
= kzalloc(sizeof(*func
), GFP_KERNEL
);
11239 func
->cookie
= wdev
->wiphy
->cookie_counter
++;
11241 if (!tb
[NL80211_NAN_FUNC_TYPE
] ||
11242 nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]) > NL80211_NAN_FUNC_MAX_TYPE
) {
11248 func
->type
= nla_get_u8(tb
[NL80211_NAN_FUNC_TYPE
]);
11250 if (!tb
[NL80211_NAN_FUNC_SERVICE_ID
]) {
11255 memcpy(func
->service_id
, nla_data(tb
[NL80211_NAN_FUNC_SERVICE_ID
]),
11256 sizeof(func
->service_id
));
11258 func
->close_range
=
11259 nla_get_flag(tb
[NL80211_NAN_FUNC_CLOSE_RANGE
]);
11261 if (tb
[NL80211_NAN_FUNC_SERVICE_INFO
]) {
11262 func
->serv_spec_info_len
=
11263 nla_len(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]);
11264 func
->serv_spec_info
=
11265 kmemdup(nla_data(tb
[NL80211_NAN_FUNC_SERVICE_INFO
]),
11266 func
->serv_spec_info_len
,
11268 if (!func
->serv_spec_info
) {
11274 if (tb
[NL80211_NAN_FUNC_TTL
])
11275 func
->ttl
= nla_get_u32(tb
[NL80211_NAN_FUNC_TTL
]);
11277 switch (func
->type
) {
11278 case NL80211_NAN_FUNC_PUBLISH
:
11279 if (!tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]) {
11284 func
->publish_type
=
11285 nla_get_u8(tb
[NL80211_NAN_FUNC_PUBLISH_TYPE
]);
11286 func
->publish_bcast
=
11287 nla_get_flag(tb
[NL80211_NAN_FUNC_PUBLISH_BCAST
]);
11289 if ((!(func
->publish_type
& NL80211_NAN_SOLICITED_PUBLISH
)) &&
11290 func
->publish_bcast
) {
11295 case NL80211_NAN_FUNC_SUBSCRIBE
:
11296 func
->subscribe_active
=
11297 nla_get_flag(tb
[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE
]);
11299 case NL80211_NAN_FUNC_FOLLOW_UP
:
11300 if (!tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
] ||
11301 !tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]) {
11306 func
->followup_id
=
11307 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_ID
]);
11308 func
->followup_reqid
=
11309 nla_get_u8(tb
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID
]);
11310 memcpy(func
->followup_dest
.addr
,
11311 nla_data(tb
[NL80211_NAN_FUNC_FOLLOW_UP_DEST
]),
11312 sizeof(func
->followup_dest
.addr
));
11323 if (tb
[NL80211_NAN_FUNC_SRF
]) {
11324 struct nlattr
*srf_tb
[NUM_NL80211_NAN_SRF_ATTR
];
11326 err
= nla_parse_nested(srf_tb
, NL80211_NAN_SRF_ATTR_MAX
,
11327 tb
[NL80211_NAN_FUNC_SRF
],
11328 nl80211_nan_srf_policy
, info
->extack
);
11332 func
->srf_include
=
11333 nla_get_flag(srf_tb
[NL80211_NAN_SRF_INCLUDE
]);
11335 if (srf_tb
[NL80211_NAN_SRF_BF
]) {
11336 if (srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
] ||
11337 !srf_tb
[NL80211_NAN_SRF_BF_IDX
]) {
11343 nla_len(srf_tb
[NL80211_NAN_SRF_BF
]);
11345 kmemdup(nla_data(srf_tb
[NL80211_NAN_SRF_BF
]),
11346 func
->srf_bf_len
, GFP_KERNEL
);
11347 if (!func
->srf_bf
) {
11353 nla_get_u8(srf_tb
[NL80211_NAN_SRF_BF_IDX
]);
11355 struct nlattr
*attr
, *mac_attr
=
11356 srf_tb
[NL80211_NAN_SRF_MAC_ADDRS
];
11357 int n_entries
, rem
, i
= 0;
11364 n_entries
= validate_acl_mac_addrs(mac_attr
);
11365 if (n_entries
<= 0) {
11370 func
->srf_num_macs
= n_entries
;
11372 kzalloc(sizeof(*func
->srf_macs
) * n_entries
,
11374 if (!func
->srf_macs
) {
11379 nla_for_each_nested(attr
, mac_attr
, rem
)
11380 memcpy(func
->srf_macs
[i
++].addr
, nla_data(attr
),
11381 sizeof(*func
->srf_macs
));
11385 if (tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
]) {
11386 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_TX_MATCH_FILTER
],
11392 if (tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
]) {
11393 err
= handle_nan_filter(tb
[NL80211_NAN_FUNC_RX_MATCH_FILTER
],
11399 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11405 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11406 NL80211_CMD_ADD_NAN_FUNCTION
);
11407 /* This can't really happen - we just allocated 4KB */
11408 if (WARN_ON(!hdr
)) {
11413 err
= rdev_add_nan_func(rdev
, wdev
, func
);
11416 cfg80211_free_nan_func(func
);
11421 /* propagate the instance id and cookie to userspace */
11422 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, func
->cookie
,
11424 goto nla_put_failure
;
11426 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11428 goto nla_put_failure
;
11430 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
,
11431 func
->instance_id
))
11432 goto nla_put_failure
;
11434 nla_nest_end(msg
, func_attr
);
11436 genlmsg_end(msg
, hdr
);
11437 return genlmsg_reply(msg
, info
);
11444 static int nl80211_nan_del_func(struct sk_buff
*skb
,
11445 struct genl_info
*info
)
11447 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11448 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11451 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11452 return -EOPNOTSUPP
;
11454 if (!wdev_running(wdev
))
11457 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
11460 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
11462 rdev_del_nan_func(rdev
, wdev
, cookie
);
11467 static int nl80211_nan_change_config(struct sk_buff
*skb
,
11468 struct genl_info
*info
)
11470 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11471 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11472 struct cfg80211_nan_conf conf
= {};
11475 if (wdev
->iftype
!= NL80211_IFTYPE_NAN
)
11476 return -EOPNOTSUPP
;
11478 if (!wdev_running(wdev
))
11481 if (info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]) {
11483 nla_get_u8(info
->attrs
[NL80211_ATTR_NAN_MASTER_PREF
]);
11484 if (conf
.master_pref
<= 1 || conf
.master_pref
== 255)
11487 changed
|= CFG80211_NAN_CONF_CHANGED_PREF
;
11490 if (info
->attrs
[NL80211_ATTR_BANDS
]) {
11491 u32 bands
= nla_get_u32(info
->attrs
[NL80211_ATTR_BANDS
]);
11493 if (bands
& ~(u32
)wdev
->wiphy
->nan_supported_bands
)
11494 return -EOPNOTSUPP
;
11496 if (bands
&& !(bands
& BIT(NL80211_BAND_2GHZ
)))
11499 conf
.bands
= bands
;
11500 changed
|= CFG80211_NAN_CONF_CHANGED_BANDS
;
11506 return rdev_nan_change_conf(rdev
, wdev
, &conf
, changed
);
11509 void cfg80211_nan_match(struct wireless_dev
*wdev
,
11510 struct cfg80211_nan_match_params
*match
, gfp_t gfp
)
11512 struct wiphy
*wiphy
= wdev
->wiphy
;
11513 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11514 struct nlattr
*match_attr
, *local_func_attr
, *peer_func_attr
;
11515 struct sk_buff
*msg
;
11518 if (WARN_ON(!match
->inst_id
|| !match
->peer_inst_id
|| !match
->addr
))
11521 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11525 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NAN_MATCH
);
11531 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11532 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11533 wdev
->netdev
->ifindex
)) ||
11534 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11536 goto nla_put_failure
;
11538 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, match
->cookie
,
11539 NL80211_ATTR_PAD
) ||
11540 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, match
->addr
))
11541 goto nla_put_failure
;
11543 match_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_MATCH
);
11545 goto nla_put_failure
;
11547 local_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_LOCAL
);
11548 if (!local_func_attr
)
11549 goto nla_put_failure
;
11551 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->inst_id
))
11552 goto nla_put_failure
;
11554 nla_nest_end(msg
, local_func_attr
);
11556 peer_func_attr
= nla_nest_start(msg
, NL80211_NAN_MATCH_FUNC_PEER
);
11557 if (!peer_func_attr
)
11558 goto nla_put_failure
;
11560 if (nla_put_u8(msg
, NL80211_NAN_FUNC_TYPE
, match
->type
) ||
11561 nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, match
->peer_inst_id
))
11562 goto nla_put_failure
;
11564 if (match
->info
&& match
->info_len
&&
11565 nla_put(msg
, NL80211_NAN_FUNC_SERVICE_INFO
, match
->info_len
,
11567 goto nla_put_failure
;
11569 nla_nest_end(msg
, peer_func_attr
);
11570 nla_nest_end(msg
, match_attr
);
11571 genlmsg_end(msg
, hdr
);
11573 if (!wdev
->owner_nlportid
)
11574 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11575 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11577 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11578 wdev
->owner_nlportid
);
11585 EXPORT_SYMBOL(cfg80211_nan_match
);
11587 void cfg80211_nan_func_terminated(struct wireless_dev
*wdev
,
11589 enum nl80211_nan_func_term_reason reason
,
11590 u64 cookie
, gfp_t gfp
)
11592 struct wiphy
*wiphy
= wdev
->wiphy
;
11593 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11594 struct sk_buff
*msg
;
11595 struct nlattr
*func_attr
;
11598 if (WARN_ON(!inst_id
))
11601 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11605 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION
);
11611 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11612 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11613 wdev
->netdev
->ifindex
)) ||
11614 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
11616 goto nla_put_failure
;
11618 if (nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
11620 goto nla_put_failure
;
11622 func_attr
= nla_nest_start(msg
, NL80211_ATTR_NAN_FUNC
);
11624 goto nla_put_failure
;
11626 if (nla_put_u8(msg
, NL80211_NAN_FUNC_INSTANCE_ID
, inst_id
) ||
11627 nla_put_u8(msg
, NL80211_NAN_FUNC_TERM_REASON
, reason
))
11628 goto nla_put_failure
;
11630 nla_nest_end(msg
, func_attr
);
11631 genlmsg_end(msg
, hdr
);
11633 if (!wdev
->owner_nlportid
)
11634 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
11635 msg
, 0, NL80211_MCGRP_NAN
, gfp
);
11637 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
,
11638 wdev
->owner_nlportid
);
11645 EXPORT_SYMBOL(cfg80211_nan_func_terminated
);
11647 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
11648 struct genl_info
*info
)
11651 struct sk_buff
*msg
;
11653 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11657 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
11658 NL80211_CMD_GET_PROTOCOL_FEATURES
);
11660 goto nla_put_failure
;
11662 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
11663 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
11664 goto nla_put_failure
;
11666 genlmsg_end(msg
, hdr
);
11667 return genlmsg_reply(msg
, info
);
11674 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
11676 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11677 struct cfg80211_update_ft_ies_params ft_params
;
11678 struct net_device
*dev
= info
->user_ptr
[1];
11680 if (!rdev
->ops
->update_ft_ies
)
11681 return -EOPNOTSUPP
;
11683 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
11684 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
11687 memset(&ft_params
, 0, sizeof(ft_params
));
11688 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
11689 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
11690 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
11692 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
11695 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
11696 struct genl_info
*info
)
11698 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11699 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11700 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
11704 if (!rdev
->ops
->crit_proto_start
)
11705 return -EOPNOTSUPP
;
11707 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
11710 if (rdev
->crit_proto_nlportid
)
11713 /* determine protocol if provided */
11714 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
11715 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
11717 if (proto
>= NUM_NL80211_CRIT_PROTO
)
11720 /* timeout must be provided */
11721 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
11725 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
11727 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
11730 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
11732 rdev
->crit_proto_nlportid
= info
->snd_portid
;
11737 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
11738 struct genl_info
*info
)
11740 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11741 struct wireless_dev
*wdev
= info
->user_ptr
[1];
11743 if (!rdev
->ops
->crit_proto_stop
)
11744 return -EOPNOTSUPP
;
11746 if (rdev
->crit_proto_nlportid
) {
11747 rdev
->crit_proto_nlportid
= 0;
11748 rdev_crit_proto_stop(rdev
, wdev
);
11753 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
11755 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
11756 struct wireless_dev
*wdev
=
11757 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
11761 if (!rdev
->wiphy
.vendor_commands
)
11762 return -EOPNOTSUPP
;
11764 if (IS_ERR(wdev
)) {
11765 err
= PTR_ERR(wdev
);
11766 if (err
!= -EINVAL
)
11769 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
11773 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
11774 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
11777 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
11778 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
11779 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
11780 const struct wiphy_vendor_command
*vcmd
;
11784 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
11786 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11789 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11790 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11793 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11797 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11798 if (!wdev_running(wdev
))
11803 return -EOPNOTSUPP
;
11808 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
11809 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11810 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
11813 rdev
->cur_cmd_info
= info
;
11814 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
11816 rdev
->cur_cmd_info
= NULL
;
11820 return -EOPNOTSUPP
;
11823 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
11824 struct netlink_callback
*cb
,
11825 struct cfg80211_registered_device
**rdev
,
11826 struct wireless_dev
**wdev
)
11828 struct nlattr
**attrbuf
= genl_family_attrbuf(&nl80211_fam
);
11834 unsigned int data_len
= 0;
11837 /* subtract the 1 again here */
11838 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
11839 struct wireless_dev
*tmp
;
11843 *rdev
= wiphy_to_rdev(wiphy
);
11847 list_for_each_entry(tmp
, &wiphy
->wdev_list
, list
) {
11848 if (tmp
->identifier
== cb
->args
[1] - 1) {
11855 /* keep rtnl locked in successful case */
11859 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
, attrbuf
,
11860 nl80211_fam
.maxattr
, nl80211_policy
, NULL
);
11864 if (!attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
11865 !attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
])
11868 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11872 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
), attrbuf
);
11874 return PTR_ERR(*rdev
);
11876 vid
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_ID
]);
11877 subcmd
= nla_get_u32(attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
11879 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
11880 const struct wiphy_vendor_command
*vcmd
;
11882 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
11884 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
11888 return -EOPNOTSUPP
;
11895 return -EOPNOTSUPP
;
11897 if (attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
11898 data
= nla_data(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11899 data_len
= nla_len(attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
11902 /* 0 is the first index - add 1 to parse only once */
11903 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
11904 /* add 1 to know if it was NULL */
11905 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
11906 cb
->args
[2] = vcmd_idx
;
11907 cb
->args
[3] = (unsigned long)data
;
11908 cb
->args
[4] = data_len
;
11910 /* keep rtnl locked in successful case */
11914 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
11915 struct netlink_callback
*cb
)
11917 struct cfg80211_registered_device
*rdev
;
11918 struct wireless_dev
*wdev
;
11919 unsigned int vcmd_idx
;
11920 const struct wiphy_vendor_command
*vcmd
;
11924 struct nlattr
*vendor_data
;
11927 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
11931 vcmd_idx
= cb
->args
[2];
11932 data
= (void *)cb
->args
[3];
11933 data_len
= cb
->args
[4];
11934 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
11936 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
11937 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
11942 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
11948 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
11949 if (!wdev_running(wdev
)) {
11957 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
11958 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
11959 NL80211_CMD_VENDOR
);
11963 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11964 (wdev
&& nla_put_u64_64bit(skb
, NL80211_ATTR_WDEV
,
11966 NL80211_ATTR_PAD
))) {
11967 genlmsg_cancel(skb
, hdr
);
11971 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
11972 if (!vendor_data
) {
11973 genlmsg_cancel(skb
, hdr
);
11977 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
11978 (unsigned long *)&cb
->args
[5]);
11979 nla_nest_end(skb
, vendor_data
);
11981 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
11982 genlmsg_cancel(skb
, hdr
);
11985 genlmsg_cancel(skb
, hdr
);
11989 genlmsg_end(skb
, hdr
);
11998 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
11999 enum nl80211_commands cmd
,
12000 enum nl80211_attrs attr
,
12003 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12005 if (WARN_ON(!rdev
->cur_cmd_info
))
12008 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
12009 rdev
->cur_cmd_info
->snd_portid
,
12010 rdev
->cur_cmd_info
->snd_seq
,
12011 cmd
, attr
, NULL
, GFP_KERNEL
);
12013 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
12015 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
12017 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
12018 void *hdr
= ((void **)skb
->cb
)[1];
12019 struct nlattr
*data
= ((void **)skb
->cb
)[2];
12021 /* clear CB data for netlink core to own from now on */
12022 memset(skb
->cb
, 0, sizeof(skb
->cb
));
12024 if (WARN_ON(!rdev
->cur_cmd_info
)) {
12029 nla_nest_end(skb
, data
);
12030 genlmsg_end(skb
, hdr
);
12031 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
12033 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
12035 static int nl80211_set_qos_map(struct sk_buff
*skb
,
12036 struct genl_info
*info
)
12038 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12039 struct cfg80211_qos_map
*qos_map
= NULL
;
12040 struct net_device
*dev
= info
->user_ptr
[1];
12041 u8
*pos
, len
, num_des
, des_len
, des
;
12044 if (!rdev
->ops
->set_qos_map
)
12045 return -EOPNOTSUPP
;
12047 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
12048 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12049 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
12051 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
12052 len
> IEEE80211_QOS_MAP_LEN_MAX
)
12055 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
12059 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
12061 des_len
= num_des
*
12062 sizeof(struct cfg80211_dscp_exception
);
12063 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
12064 qos_map
->num_des
= num_des
;
12065 for (des
= 0; des
< num_des
; des
++) {
12066 if (qos_map
->dscp_exception
[des
].up
> 7) {
12073 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
12076 wdev_lock(dev
->ieee80211_ptr
);
12077 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
12079 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
12080 wdev_unlock(dev
->ieee80211_ptr
);
12086 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12088 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12089 struct net_device
*dev
= info
->user_ptr
[1];
12090 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12093 u16 admitted_time
= 0;
12096 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
12097 return -EOPNOTSUPP
;
12099 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
12100 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
12103 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12104 if (tsid
>= IEEE80211_NUM_TIDS
)
12107 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
12108 if (up
>= IEEE80211_NUM_UPS
)
12111 /* WMM uses TIDs 0-7 even for TSPEC */
12112 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
12113 /* TODO: handle 802.11 TSPEC/admission control
12114 * need more attributes for that (e.g. BA session requirement);
12115 * change the WMM adminssion test above to allow both then
12120 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12122 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
12124 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
12125 if (!admitted_time
)
12130 switch (wdev
->iftype
) {
12131 case NL80211_IFTYPE_STATION
:
12132 case NL80211_IFTYPE_P2P_CLIENT
:
12133 if (wdev
->current_bss
)
12142 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
12149 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
12151 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12152 struct net_device
*dev
= info
->user_ptr
[1];
12153 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12158 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
12161 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
12162 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12165 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
12171 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
12172 struct genl_info
*info
)
12174 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12175 struct net_device
*dev
= info
->user_ptr
[1];
12176 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12177 struct cfg80211_chan_def chandef
= {};
12182 if (!rdev
->ops
->tdls_channel_switch
||
12183 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12184 return -EOPNOTSUPP
;
12186 switch (dev
->ieee80211_ptr
->iftype
) {
12187 case NL80211_IFTYPE_STATION
:
12188 case NL80211_IFTYPE_P2P_CLIENT
:
12191 return -EOPNOTSUPP
;
12194 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
12195 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
12198 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
12203 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
12204 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
12205 * specification is not defined for them.
12207 if (chandef
.chan
->band
== NL80211_BAND_2GHZ
&&
12208 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
12209 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
12212 /* we will be active on the TDLS link */
12213 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
12217 /* don't allow switching to DFS channels */
12218 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
12221 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12222 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
12225 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
12231 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
12232 struct genl_info
*info
)
12234 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12235 struct net_device
*dev
= info
->user_ptr
[1];
12236 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12239 if (!rdev
->ops
->tdls_channel_switch
||
12240 !rdev
->ops
->tdls_cancel_channel_switch
||
12241 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
12242 return -EOPNOTSUPP
;
12244 switch (dev
->ieee80211_ptr
->iftype
) {
12245 case NL80211_IFTYPE_STATION
:
12246 case NL80211_IFTYPE_P2P_CLIENT
:
12249 return -EOPNOTSUPP
;
12252 if (!info
->attrs
[NL80211_ATTR_MAC
])
12255 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12258 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
12264 static int nl80211_set_multicast_to_unicast(struct sk_buff
*skb
,
12265 struct genl_info
*info
)
12267 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12268 struct net_device
*dev
= info
->user_ptr
[1];
12269 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12270 const struct nlattr
*nla
;
12273 if (!rdev
->ops
->set_multicast_to_unicast
)
12274 return -EOPNOTSUPP
;
12276 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12277 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
12278 return -EOPNOTSUPP
;
12280 nla
= info
->attrs
[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED
];
12281 enabled
= nla_get_flag(nla
);
12283 return rdev_set_multicast_to_unicast(rdev
, dev
, enabled
);
12286 static int nl80211_set_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12288 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12289 struct net_device
*dev
= info
->user_ptr
[1];
12290 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12291 struct cfg80211_pmk_conf pmk_conf
= {};
12294 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12295 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12296 return -EOPNOTSUPP
;
12298 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12299 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12300 return -EOPNOTSUPP
;
12302 if (!info
->attrs
[NL80211_ATTR_MAC
] || !info
->attrs
[NL80211_ATTR_PMK
])
12306 if (!wdev
->current_bss
) {
12311 pmk_conf
.aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12312 if (memcmp(pmk_conf
.aa
, wdev
->current_bss
->pub
.bssid
, ETH_ALEN
)) {
12317 pmk_conf
.pmk
= nla_data(info
->attrs
[NL80211_ATTR_PMK
]);
12318 pmk_conf
.pmk_len
= nla_len(info
->attrs
[NL80211_ATTR_PMK
]);
12319 if (pmk_conf
.pmk_len
!= WLAN_PMK_LEN
&&
12320 pmk_conf
.pmk_len
!= WLAN_PMK_LEN_SUITE_B_192
) {
12325 if (info
->attrs
[NL80211_ATTR_PMKR0_NAME
]) {
12326 int r0_name_len
= nla_len(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12328 if (r0_name_len
!= WLAN_PMK_NAME_LEN
) {
12333 pmk_conf
.pmk_r0_name
=
12334 nla_data(info
->attrs
[NL80211_ATTR_PMKR0_NAME
]);
12337 ret
= rdev_set_pmk(rdev
, dev
, &pmk_conf
);
12343 static int nl80211_del_pmk(struct sk_buff
*skb
, struct genl_info
*info
)
12345 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
12346 struct net_device
*dev
= info
->user_ptr
[1];
12347 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12351 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
12352 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
12353 return -EOPNOTSUPP
;
12355 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
12356 NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X
))
12357 return -EOPNOTSUPP
;
12359 if (!info
->attrs
[NL80211_ATTR_MAC
])
12363 aa
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
12364 ret
= rdev_del_pmk(rdev
, dev
, aa
);
12370 #define NL80211_FLAG_NEED_WIPHY 0x01
12371 #define NL80211_FLAG_NEED_NETDEV 0x02
12372 #define NL80211_FLAG_NEED_RTNL 0x04
12373 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
12374 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
12375 NL80211_FLAG_CHECK_NETDEV_UP)
12376 #define NL80211_FLAG_NEED_WDEV 0x10
12377 /* If a netdev is associated, it must be UP, P2P must be started */
12378 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
12379 NL80211_FLAG_CHECK_NETDEV_UP)
12380 #define NL80211_FLAG_CLEAR_SKB 0x20
12382 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12383 struct genl_info
*info
)
12385 struct cfg80211_registered_device
*rdev
;
12386 struct wireless_dev
*wdev
;
12387 struct net_device
*dev
;
12388 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
12393 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
12394 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
12395 if (IS_ERR(rdev
)) {
12398 return PTR_ERR(rdev
);
12400 info
->user_ptr
[0] = rdev
;
12401 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
12402 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12405 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
12407 if (IS_ERR(wdev
)) {
12410 return PTR_ERR(wdev
);
12413 dev
= wdev
->netdev
;
12414 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12416 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
12423 info
->user_ptr
[1] = dev
;
12425 info
->user_ptr
[1] = wdev
;
12428 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
12429 !wdev_running(wdev
)) {
12438 info
->user_ptr
[0] = rdev
;
12444 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
12445 struct genl_info
*info
)
12447 if (info
->user_ptr
[1]) {
12448 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
12449 struct wireless_dev
*wdev
= info
->user_ptr
[1];
12452 dev_put(wdev
->netdev
);
12454 dev_put(info
->user_ptr
[1]);
12458 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
12461 /* If needed, clear the netlink message payload from the SKB
12462 * as it might contain key data that shouldn't stick around on
12463 * the heap after the SKB is freed. The netlink message header
12464 * is still needed for further processing, so leave it intact.
12466 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
12467 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
12469 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
12473 static const struct genl_ops nl80211_ops
[] = {
12475 .cmd
= NL80211_CMD_GET_WIPHY
,
12476 .doit
= nl80211_get_wiphy
,
12477 .dumpit
= nl80211_dump_wiphy
,
12478 .done
= nl80211_dump_wiphy_done
,
12479 .policy
= nl80211_policy
,
12480 /* can be retrieved by unprivileged users */
12481 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12482 NL80211_FLAG_NEED_RTNL
,
12485 .cmd
= NL80211_CMD_SET_WIPHY
,
12486 .doit
= nl80211_set_wiphy
,
12487 .policy
= nl80211_policy
,
12488 .flags
= GENL_UNS_ADMIN_PERM
,
12489 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12492 .cmd
= NL80211_CMD_GET_INTERFACE
,
12493 .doit
= nl80211_get_interface
,
12494 .dumpit
= nl80211_dump_interface
,
12495 .policy
= nl80211_policy
,
12496 /* can be retrieved by unprivileged users */
12497 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12498 NL80211_FLAG_NEED_RTNL
,
12501 .cmd
= NL80211_CMD_SET_INTERFACE
,
12502 .doit
= nl80211_set_interface
,
12503 .policy
= nl80211_policy
,
12504 .flags
= GENL_UNS_ADMIN_PERM
,
12505 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12506 NL80211_FLAG_NEED_RTNL
,
12509 .cmd
= NL80211_CMD_NEW_INTERFACE
,
12510 .doit
= nl80211_new_interface
,
12511 .policy
= nl80211_policy
,
12512 .flags
= GENL_UNS_ADMIN_PERM
,
12513 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12514 NL80211_FLAG_NEED_RTNL
,
12517 .cmd
= NL80211_CMD_DEL_INTERFACE
,
12518 .doit
= nl80211_del_interface
,
12519 .policy
= nl80211_policy
,
12520 .flags
= GENL_UNS_ADMIN_PERM
,
12521 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12522 NL80211_FLAG_NEED_RTNL
,
12525 .cmd
= NL80211_CMD_GET_KEY
,
12526 .doit
= nl80211_get_key
,
12527 .policy
= nl80211_policy
,
12528 .flags
= GENL_UNS_ADMIN_PERM
,
12529 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12530 NL80211_FLAG_NEED_RTNL
,
12533 .cmd
= NL80211_CMD_SET_KEY
,
12534 .doit
= nl80211_set_key
,
12535 .policy
= nl80211_policy
,
12536 .flags
= GENL_UNS_ADMIN_PERM
,
12537 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12538 NL80211_FLAG_NEED_RTNL
|
12539 NL80211_FLAG_CLEAR_SKB
,
12542 .cmd
= NL80211_CMD_NEW_KEY
,
12543 .doit
= nl80211_new_key
,
12544 .policy
= nl80211_policy
,
12545 .flags
= GENL_UNS_ADMIN_PERM
,
12546 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12547 NL80211_FLAG_NEED_RTNL
|
12548 NL80211_FLAG_CLEAR_SKB
,
12551 .cmd
= NL80211_CMD_DEL_KEY
,
12552 .doit
= nl80211_del_key
,
12553 .policy
= nl80211_policy
,
12554 .flags
= GENL_UNS_ADMIN_PERM
,
12555 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12556 NL80211_FLAG_NEED_RTNL
,
12559 .cmd
= NL80211_CMD_SET_BEACON
,
12560 .policy
= nl80211_policy
,
12561 .flags
= GENL_UNS_ADMIN_PERM
,
12562 .doit
= nl80211_set_beacon
,
12563 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12564 NL80211_FLAG_NEED_RTNL
,
12567 .cmd
= NL80211_CMD_START_AP
,
12568 .policy
= nl80211_policy
,
12569 .flags
= GENL_UNS_ADMIN_PERM
,
12570 .doit
= nl80211_start_ap
,
12571 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12572 NL80211_FLAG_NEED_RTNL
,
12575 .cmd
= NL80211_CMD_STOP_AP
,
12576 .policy
= nl80211_policy
,
12577 .flags
= GENL_UNS_ADMIN_PERM
,
12578 .doit
= nl80211_stop_ap
,
12579 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12580 NL80211_FLAG_NEED_RTNL
,
12583 .cmd
= NL80211_CMD_GET_STATION
,
12584 .doit
= nl80211_get_station
,
12585 .dumpit
= nl80211_dump_station
,
12586 .policy
= nl80211_policy
,
12587 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12588 NL80211_FLAG_NEED_RTNL
,
12591 .cmd
= NL80211_CMD_SET_STATION
,
12592 .doit
= nl80211_set_station
,
12593 .policy
= nl80211_policy
,
12594 .flags
= GENL_UNS_ADMIN_PERM
,
12595 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12596 NL80211_FLAG_NEED_RTNL
,
12599 .cmd
= NL80211_CMD_NEW_STATION
,
12600 .doit
= nl80211_new_station
,
12601 .policy
= nl80211_policy
,
12602 .flags
= GENL_UNS_ADMIN_PERM
,
12603 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12604 NL80211_FLAG_NEED_RTNL
,
12607 .cmd
= NL80211_CMD_DEL_STATION
,
12608 .doit
= nl80211_del_station
,
12609 .policy
= nl80211_policy
,
12610 .flags
= GENL_UNS_ADMIN_PERM
,
12611 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12612 NL80211_FLAG_NEED_RTNL
,
12615 .cmd
= NL80211_CMD_GET_MPATH
,
12616 .doit
= nl80211_get_mpath
,
12617 .dumpit
= nl80211_dump_mpath
,
12618 .policy
= nl80211_policy
,
12619 .flags
= GENL_UNS_ADMIN_PERM
,
12620 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12621 NL80211_FLAG_NEED_RTNL
,
12624 .cmd
= NL80211_CMD_GET_MPP
,
12625 .doit
= nl80211_get_mpp
,
12626 .dumpit
= nl80211_dump_mpp
,
12627 .policy
= nl80211_policy
,
12628 .flags
= GENL_UNS_ADMIN_PERM
,
12629 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12630 NL80211_FLAG_NEED_RTNL
,
12633 .cmd
= NL80211_CMD_SET_MPATH
,
12634 .doit
= nl80211_set_mpath
,
12635 .policy
= nl80211_policy
,
12636 .flags
= GENL_UNS_ADMIN_PERM
,
12637 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12638 NL80211_FLAG_NEED_RTNL
,
12641 .cmd
= NL80211_CMD_NEW_MPATH
,
12642 .doit
= nl80211_new_mpath
,
12643 .policy
= nl80211_policy
,
12644 .flags
= GENL_UNS_ADMIN_PERM
,
12645 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12646 NL80211_FLAG_NEED_RTNL
,
12649 .cmd
= NL80211_CMD_DEL_MPATH
,
12650 .doit
= nl80211_del_mpath
,
12651 .policy
= nl80211_policy
,
12652 .flags
= GENL_UNS_ADMIN_PERM
,
12653 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12654 NL80211_FLAG_NEED_RTNL
,
12657 .cmd
= NL80211_CMD_SET_BSS
,
12658 .doit
= nl80211_set_bss
,
12659 .policy
= nl80211_policy
,
12660 .flags
= GENL_UNS_ADMIN_PERM
,
12661 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12662 NL80211_FLAG_NEED_RTNL
,
12665 .cmd
= NL80211_CMD_GET_REG
,
12666 .doit
= nl80211_get_reg_do
,
12667 .dumpit
= nl80211_get_reg_dump
,
12668 .policy
= nl80211_policy
,
12669 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12670 /* can be retrieved by unprivileged users */
12672 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
12674 .cmd
= NL80211_CMD_SET_REG
,
12675 .doit
= nl80211_set_reg
,
12676 .policy
= nl80211_policy
,
12677 .flags
= GENL_ADMIN_PERM
,
12678 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
12682 .cmd
= NL80211_CMD_REQ_SET_REG
,
12683 .doit
= nl80211_req_set_reg
,
12684 .policy
= nl80211_policy
,
12685 .flags
= GENL_ADMIN_PERM
,
12688 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
12689 .doit
= nl80211_get_mesh_config
,
12690 .policy
= nl80211_policy
,
12691 /* can be retrieved by unprivileged users */
12692 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12693 NL80211_FLAG_NEED_RTNL
,
12696 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
12697 .doit
= nl80211_update_mesh_config
,
12698 .policy
= nl80211_policy
,
12699 .flags
= GENL_UNS_ADMIN_PERM
,
12700 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12701 NL80211_FLAG_NEED_RTNL
,
12704 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
12705 .doit
= nl80211_trigger_scan
,
12706 .policy
= nl80211_policy
,
12707 .flags
= GENL_UNS_ADMIN_PERM
,
12708 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12709 NL80211_FLAG_NEED_RTNL
,
12712 .cmd
= NL80211_CMD_ABORT_SCAN
,
12713 .doit
= nl80211_abort_scan
,
12714 .policy
= nl80211_policy
,
12715 .flags
= GENL_UNS_ADMIN_PERM
,
12716 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12717 NL80211_FLAG_NEED_RTNL
,
12720 .cmd
= NL80211_CMD_GET_SCAN
,
12721 .policy
= nl80211_policy
,
12722 .dumpit
= nl80211_dump_scan
,
12725 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
12726 .doit
= nl80211_start_sched_scan
,
12727 .policy
= nl80211_policy
,
12728 .flags
= GENL_UNS_ADMIN_PERM
,
12729 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12730 NL80211_FLAG_NEED_RTNL
,
12733 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
12734 .doit
= nl80211_stop_sched_scan
,
12735 .policy
= nl80211_policy
,
12736 .flags
= GENL_UNS_ADMIN_PERM
,
12737 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12738 NL80211_FLAG_NEED_RTNL
,
12741 .cmd
= NL80211_CMD_AUTHENTICATE
,
12742 .doit
= nl80211_authenticate
,
12743 .policy
= nl80211_policy
,
12744 .flags
= GENL_UNS_ADMIN_PERM
,
12745 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12746 NL80211_FLAG_NEED_RTNL
|
12747 NL80211_FLAG_CLEAR_SKB
,
12750 .cmd
= NL80211_CMD_ASSOCIATE
,
12751 .doit
= nl80211_associate
,
12752 .policy
= nl80211_policy
,
12753 .flags
= GENL_UNS_ADMIN_PERM
,
12754 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12755 NL80211_FLAG_NEED_RTNL
,
12758 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
12759 .doit
= nl80211_deauthenticate
,
12760 .policy
= nl80211_policy
,
12761 .flags
= GENL_UNS_ADMIN_PERM
,
12762 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12763 NL80211_FLAG_NEED_RTNL
,
12766 .cmd
= NL80211_CMD_DISASSOCIATE
,
12767 .doit
= nl80211_disassociate
,
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_JOIN_IBSS
,
12775 .doit
= nl80211_join_ibss
,
12776 .policy
= nl80211_policy
,
12777 .flags
= GENL_UNS_ADMIN_PERM
,
12778 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12779 NL80211_FLAG_NEED_RTNL
,
12782 .cmd
= NL80211_CMD_LEAVE_IBSS
,
12783 .doit
= nl80211_leave_ibss
,
12784 .policy
= nl80211_policy
,
12785 .flags
= GENL_UNS_ADMIN_PERM
,
12786 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12787 NL80211_FLAG_NEED_RTNL
,
12789 #ifdef CONFIG_NL80211_TESTMODE
12791 .cmd
= NL80211_CMD_TESTMODE
,
12792 .doit
= nl80211_testmode_do
,
12793 .dumpit
= nl80211_testmode_dump
,
12794 .policy
= nl80211_policy
,
12795 .flags
= GENL_UNS_ADMIN_PERM
,
12796 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12797 NL80211_FLAG_NEED_RTNL
,
12801 .cmd
= NL80211_CMD_CONNECT
,
12802 .doit
= nl80211_connect
,
12803 .policy
= nl80211_policy
,
12804 .flags
= GENL_UNS_ADMIN_PERM
,
12805 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12806 NL80211_FLAG_NEED_RTNL
,
12809 .cmd
= NL80211_CMD_UPDATE_CONNECT_PARAMS
,
12810 .doit
= nl80211_update_connect_params
,
12811 .policy
= nl80211_policy
,
12812 .flags
= GENL_ADMIN_PERM
,
12813 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12814 NL80211_FLAG_NEED_RTNL
,
12817 .cmd
= NL80211_CMD_DISCONNECT
,
12818 .doit
= nl80211_disconnect
,
12819 .policy
= nl80211_policy
,
12820 .flags
= GENL_UNS_ADMIN_PERM
,
12821 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12822 NL80211_FLAG_NEED_RTNL
,
12825 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
12826 .doit
= nl80211_wiphy_netns
,
12827 .policy
= nl80211_policy
,
12828 .flags
= GENL_UNS_ADMIN_PERM
,
12829 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12830 NL80211_FLAG_NEED_RTNL
,
12833 .cmd
= NL80211_CMD_GET_SURVEY
,
12834 .policy
= nl80211_policy
,
12835 .dumpit
= nl80211_dump_survey
,
12838 .cmd
= NL80211_CMD_SET_PMKSA
,
12839 .doit
= nl80211_setdel_pmksa
,
12840 .policy
= nl80211_policy
,
12841 .flags
= GENL_UNS_ADMIN_PERM
,
12842 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12843 NL80211_FLAG_NEED_RTNL
,
12846 .cmd
= NL80211_CMD_DEL_PMKSA
,
12847 .doit
= nl80211_setdel_pmksa
,
12848 .policy
= nl80211_policy
,
12849 .flags
= GENL_UNS_ADMIN_PERM
,
12850 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12851 NL80211_FLAG_NEED_RTNL
,
12854 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
12855 .doit
= nl80211_flush_pmksa
,
12856 .policy
= nl80211_policy
,
12857 .flags
= GENL_UNS_ADMIN_PERM
,
12858 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12859 NL80211_FLAG_NEED_RTNL
,
12862 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
12863 .doit
= nl80211_remain_on_channel
,
12864 .policy
= nl80211_policy
,
12865 .flags
= GENL_UNS_ADMIN_PERM
,
12866 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12867 NL80211_FLAG_NEED_RTNL
,
12870 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12871 .doit
= nl80211_cancel_remain_on_channel
,
12872 .policy
= nl80211_policy
,
12873 .flags
= GENL_UNS_ADMIN_PERM
,
12874 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12875 NL80211_FLAG_NEED_RTNL
,
12878 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
12879 .doit
= nl80211_set_tx_bitrate_mask
,
12880 .policy
= nl80211_policy
,
12881 .flags
= GENL_UNS_ADMIN_PERM
,
12882 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12883 NL80211_FLAG_NEED_RTNL
,
12886 .cmd
= NL80211_CMD_REGISTER_FRAME
,
12887 .doit
= nl80211_register_mgmt
,
12888 .policy
= nl80211_policy
,
12889 .flags
= GENL_UNS_ADMIN_PERM
,
12890 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
12891 NL80211_FLAG_NEED_RTNL
,
12894 .cmd
= NL80211_CMD_FRAME
,
12895 .doit
= nl80211_tx_mgmt
,
12896 .policy
= nl80211_policy
,
12897 .flags
= GENL_UNS_ADMIN_PERM
,
12898 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12899 NL80211_FLAG_NEED_RTNL
,
12902 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
12903 .doit
= nl80211_tx_mgmt_cancel_wait
,
12904 .policy
= nl80211_policy
,
12905 .flags
= GENL_UNS_ADMIN_PERM
,
12906 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
12907 NL80211_FLAG_NEED_RTNL
,
12910 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
12911 .doit
= nl80211_set_power_save
,
12912 .policy
= nl80211_policy
,
12913 .flags
= GENL_UNS_ADMIN_PERM
,
12914 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12915 NL80211_FLAG_NEED_RTNL
,
12918 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
12919 .doit
= nl80211_get_power_save
,
12920 .policy
= nl80211_policy
,
12921 /* can be retrieved by unprivileged users */
12922 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12923 NL80211_FLAG_NEED_RTNL
,
12926 .cmd
= NL80211_CMD_SET_CQM
,
12927 .doit
= nl80211_set_cqm
,
12928 .policy
= nl80211_policy
,
12929 .flags
= GENL_UNS_ADMIN_PERM
,
12930 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12931 NL80211_FLAG_NEED_RTNL
,
12934 .cmd
= NL80211_CMD_SET_CHANNEL
,
12935 .doit
= nl80211_set_channel
,
12936 .policy
= nl80211_policy
,
12937 .flags
= GENL_UNS_ADMIN_PERM
,
12938 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12939 NL80211_FLAG_NEED_RTNL
,
12942 .cmd
= NL80211_CMD_SET_WDS_PEER
,
12943 .doit
= nl80211_set_wds_peer
,
12944 .policy
= nl80211_policy
,
12945 .flags
= GENL_UNS_ADMIN_PERM
,
12946 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
12947 NL80211_FLAG_NEED_RTNL
,
12950 .cmd
= NL80211_CMD_JOIN_MESH
,
12951 .doit
= nl80211_join_mesh
,
12952 .policy
= nl80211_policy
,
12953 .flags
= GENL_UNS_ADMIN_PERM
,
12954 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12955 NL80211_FLAG_NEED_RTNL
,
12958 .cmd
= NL80211_CMD_LEAVE_MESH
,
12959 .doit
= nl80211_leave_mesh
,
12960 .policy
= nl80211_policy
,
12961 .flags
= GENL_UNS_ADMIN_PERM
,
12962 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12963 NL80211_FLAG_NEED_RTNL
,
12966 .cmd
= NL80211_CMD_JOIN_OCB
,
12967 .doit
= nl80211_join_ocb
,
12968 .policy
= nl80211_policy
,
12969 .flags
= GENL_UNS_ADMIN_PERM
,
12970 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12971 NL80211_FLAG_NEED_RTNL
,
12974 .cmd
= NL80211_CMD_LEAVE_OCB
,
12975 .doit
= nl80211_leave_ocb
,
12976 .policy
= nl80211_policy
,
12977 .flags
= GENL_UNS_ADMIN_PERM
,
12978 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
12979 NL80211_FLAG_NEED_RTNL
,
12983 .cmd
= NL80211_CMD_GET_WOWLAN
,
12984 .doit
= nl80211_get_wowlan
,
12985 .policy
= nl80211_policy
,
12986 /* can be retrieved by unprivileged users */
12987 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12988 NL80211_FLAG_NEED_RTNL
,
12991 .cmd
= NL80211_CMD_SET_WOWLAN
,
12992 .doit
= nl80211_set_wowlan
,
12993 .policy
= nl80211_policy
,
12994 .flags
= GENL_UNS_ADMIN_PERM
,
12995 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
12996 NL80211_FLAG_NEED_RTNL
,
13000 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
13001 .doit
= nl80211_set_rekey_data
,
13002 .policy
= nl80211_policy
,
13003 .flags
= GENL_UNS_ADMIN_PERM
,
13004 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13005 NL80211_FLAG_NEED_RTNL
|
13006 NL80211_FLAG_CLEAR_SKB
,
13009 .cmd
= NL80211_CMD_TDLS_MGMT
,
13010 .doit
= nl80211_tdls_mgmt
,
13011 .policy
= nl80211_policy
,
13012 .flags
= GENL_UNS_ADMIN_PERM
,
13013 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13014 NL80211_FLAG_NEED_RTNL
,
13017 .cmd
= NL80211_CMD_TDLS_OPER
,
13018 .doit
= nl80211_tdls_oper
,
13019 .policy
= nl80211_policy
,
13020 .flags
= GENL_UNS_ADMIN_PERM
,
13021 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13022 NL80211_FLAG_NEED_RTNL
,
13025 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
13026 .doit
= nl80211_register_unexpected_frame
,
13027 .policy
= nl80211_policy
,
13028 .flags
= GENL_UNS_ADMIN_PERM
,
13029 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13030 NL80211_FLAG_NEED_RTNL
,
13033 .cmd
= NL80211_CMD_PROBE_CLIENT
,
13034 .doit
= nl80211_probe_client
,
13035 .policy
= nl80211_policy
,
13036 .flags
= GENL_UNS_ADMIN_PERM
,
13037 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13038 NL80211_FLAG_NEED_RTNL
,
13041 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
13042 .doit
= nl80211_register_beacons
,
13043 .policy
= nl80211_policy
,
13044 .flags
= GENL_UNS_ADMIN_PERM
,
13045 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13046 NL80211_FLAG_NEED_RTNL
,
13049 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
13050 .doit
= nl80211_set_noack_map
,
13051 .policy
= nl80211_policy
,
13052 .flags
= GENL_UNS_ADMIN_PERM
,
13053 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13054 NL80211_FLAG_NEED_RTNL
,
13057 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
13058 .doit
= nl80211_start_p2p_device
,
13059 .policy
= nl80211_policy
,
13060 .flags
= GENL_UNS_ADMIN_PERM
,
13061 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13062 NL80211_FLAG_NEED_RTNL
,
13065 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
13066 .doit
= nl80211_stop_p2p_device
,
13067 .policy
= nl80211_policy
,
13068 .flags
= GENL_UNS_ADMIN_PERM
,
13069 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13070 NL80211_FLAG_NEED_RTNL
,
13073 .cmd
= NL80211_CMD_START_NAN
,
13074 .doit
= nl80211_start_nan
,
13075 .policy
= nl80211_policy
,
13076 .flags
= GENL_ADMIN_PERM
,
13077 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
13078 NL80211_FLAG_NEED_RTNL
,
13081 .cmd
= NL80211_CMD_STOP_NAN
,
13082 .doit
= nl80211_stop_nan
,
13083 .policy
= nl80211_policy
,
13084 .flags
= GENL_ADMIN_PERM
,
13085 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13086 NL80211_FLAG_NEED_RTNL
,
13089 .cmd
= NL80211_CMD_ADD_NAN_FUNCTION
,
13090 .doit
= nl80211_nan_add_func
,
13091 .policy
= nl80211_policy
,
13092 .flags
= GENL_ADMIN_PERM
,
13093 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13094 NL80211_FLAG_NEED_RTNL
,
13097 .cmd
= NL80211_CMD_DEL_NAN_FUNCTION
,
13098 .doit
= nl80211_nan_del_func
,
13099 .policy
= nl80211_policy
,
13100 .flags
= GENL_ADMIN_PERM
,
13101 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13102 NL80211_FLAG_NEED_RTNL
,
13105 .cmd
= NL80211_CMD_CHANGE_NAN_CONFIG
,
13106 .doit
= nl80211_nan_change_config
,
13107 .policy
= nl80211_policy
,
13108 .flags
= GENL_ADMIN_PERM
,
13109 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13110 NL80211_FLAG_NEED_RTNL
,
13113 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
13114 .doit
= nl80211_set_mcast_rate
,
13115 .policy
= nl80211_policy
,
13116 .flags
= GENL_UNS_ADMIN_PERM
,
13117 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13118 NL80211_FLAG_NEED_RTNL
,
13121 .cmd
= NL80211_CMD_SET_MAC_ACL
,
13122 .doit
= nl80211_set_mac_acl
,
13123 .policy
= nl80211_policy
,
13124 .flags
= GENL_UNS_ADMIN_PERM
,
13125 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13126 NL80211_FLAG_NEED_RTNL
,
13129 .cmd
= NL80211_CMD_RADAR_DETECT
,
13130 .doit
= nl80211_start_radar_detection
,
13131 .policy
= nl80211_policy
,
13132 .flags
= GENL_UNS_ADMIN_PERM
,
13133 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13134 NL80211_FLAG_NEED_RTNL
,
13137 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
13138 .doit
= nl80211_get_protocol_features
,
13139 .policy
= nl80211_policy
,
13142 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
13143 .doit
= nl80211_update_ft_ies
,
13144 .policy
= nl80211_policy
,
13145 .flags
= GENL_UNS_ADMIN_PERM
,
13146 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13147 NL80211_FLAG_NEED_RTNL
,
13150 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
13151 .doit
= nl80211_crit_protocol_start
,
13152 .policy
= nl80211_policy
,
13153 .flags
= GENL_UNS_ADMIN_PERM
,
13154 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13155 NL80211_FLAG_NEED_RTNL
,
13158 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
13159 .doit
= nl80211_crit_protocol_stop
,
13160 .policy
= nl80211_policy
,
13161 .flags
= GENL_UNS_ADMIN_PERM
,
13162 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
13163 NL80211_FLAG_NEED_RTNL
,
13166 .cmd
= NL80211_CMD_GET_COALESCE
,
13167 .doit
= nl80211_get_coalesce
,
13168 .policy
= nl80211_policy
,
13169 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13170 NL80211_FLAG_NEED_RTNL
,
13173 .cmd
= NL80211_CMD_SET_COALESCE
,
13174 .doit
= nl80211_set_coalesce
,
13175 .policy
= nl80211_policy
,
13176 .flags
= GENL_UNS_ADMIN_PERM
,
13177 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13178 NL80211_FLAG_NEED_RTNL
,
13181 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
13182 .doit
= nl80211_channel_switch
,
13183 .policy
= nl80211_policy
,
13184 .flags
= GENL_UNS_ADMIN_PERM
,
13185 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13186 NL80211_FLAG_NEED_RTNL
,
13189 .cmd
= NL80211_CMD_VENDOR
,
13190 .doit
= nl80211_vendor_cmd
,
13191 .dumpit
= nl80211_vendor_cmd_dump
,
13192 .policy
= nl80211_policy
,
13193 .flags
= GENL_UNS_ADMIN_PERM
,
13194 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
13195 NL80211_FLAG_NEED_RTNL
,
13198 .cmd
= NL80211_CMD_SET_QOS_MAP
,
13199 .doit
= nl80211_set_qos_map
,
13200 .policy
= nl80211_policy
,
13201 .flags
= GENL_UNS_ADMIN_PERM
,
13202 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13203 NL80211_FLAG_NEED_RTNL
,
13206 .cmd
= NL80211_CMD_ADD_TX_TS
,
13207 .doit
= nl80211_add_tx_ts
,
13208 .policy
= nl80211_policy
,
13209 .flags
= GENL_UNS_ADMIN_PERM
,
13210 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13211 NL80211_FLAG_NEED_RTNL
,
13214 .cmd
= NL80211_CMD_DEL_TX_TS
,
13215 .doit
= nl80211_del_tx_ts
,
13216 .policy
= nl80211_policy
,
13217 .flags
= GENL_UNS_ADMIN_PERM
,
13218 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13219 NL80211_FLAG_NEED_RTNL
,
13222 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
13223 .doit
= nl80211_tdls_channel_switch
,
13224 .policy
= nl80211_policy
,
13225 .flags
= GENL_UNS_ADMIN_PERM
,
13226 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13227 NL80211_FLAG_NEED_RTNL
,
13230 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
13231 .doit
= nl80211_tdls_cancel_channel_switch
,
13232 .policy
= nl80211_policy
,
13233 .flags
= GENL_UNS_ADMIN_PERM
,
13234 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13235 NL80211_FLAG_NEED_RTNL
,
13238 .cmd
= NL80211_CMD_SET_MULTICAST_TO_UNICAST
,
13239 .doit
= nl80211_set_multicast_to_unicast
,
13240 .policy
= nl80211_policy
,
13241 .flags
= GENL_UNS_ADMIN_PERM
,
13242 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
13243 NL80211_FLAG_NEED_RTNL
,
13246 .cmd
= NL80211_CMD_SET_PMK
,
13247 .doit
= nl80211_set_pmk
,
13248 .policy
= nl80211_policy
,
13249 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13250 NL80211_FLAG_NEED_RTNL
,
13253 .cmd
= NL80211_CMD_DEL_PMK
,
13254 .doit
= nl80211_del_pmk
,
13255 .policy
= nl80211_policy
,
13256 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
13257 NL80211_FLAG_NEED_RTNL
,
13262 static struct genl_family nl80211_fam __ro_after_init
= {
13263 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
13264 .hdrsize
= 0, /* no private header */
13265 .version
= 1, /* no particular meaning now */
13266 .maxattr
= NL80211_ATTR_MAX
,
13268 .pre_doit
= nl80211_pre_doit
,
13269 .post_doit
= nl80211_post_doit
,
13270 .module
= THIS_MODULE
,
13271 .ops
= nl80211_ops
,
13272 .n_ops
= ARRAY_SIZE(nl80211_ops
),
13273 .mcgrps
= nl80211_mcgrps
,
13274 .n_mcgrps
= ARRAY_SIZE(nl80211_mcgrps
),
13277 /* notification functions */
13279 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
13280 enum nl80211_commands cmd
)
13282 struct sk_buff
*msg
;
13283 struct nl80211_dump_wiphy_state state
= {};
13285 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
13286 cmd
!= NL80211_CMD_DEL_WIPHY
);
13288 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13292 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
13297 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13298 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13301 void nl80211_notify_iface(struct cfg80211_registered_device
*rdev
,
13302 struct wireless_dev
*wdev
,
13303 enum nl80211_commands cmd
)
13305 struct sk_buff
*msg
;
13307 WARN_ON(cmd
!= NL80211_CMD_NEW_INTERFACE
&&
13308 cmd
!= NL80211_CMD_DEL_INTERFACE
);
13310 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13314 if (nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
,
13315 cmd
== NL80211_CMD_DEL_INTERFACE
) < 0) {
13320 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13321 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
13324 static int nl80211_add_scan_req(struct sk_buff
*msg
,
13325 struct cfg80211_registered_device
*rdev
)
13327 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
13328 struct nlattr
*nest
;
13334 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
13336 goto nla_put_failure
;
13337 for (i
= 0; i
< req
->n_ssids
; i
++) {
13338 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
13339 goto nla_put_failure
;
13341 nla_nest_end(msg
, nest
);
13343 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13345 goto nla_put_failure
;
13346 for (i
= 0; i
< req
->n_channels
; i
++) {
13347 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
13348 goto nla_put_failure
;
13350 nla_nest_end(msg
, nest
);
13353 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
13354 goto nla_put_failure
;
13357 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
13358 goto nla_put_failure
;
13360 if (req
->info
.scan_start_tsf
&&
13361 (nla_put_u64_64bit(msg
, NL80211_ATTR_SCAN_START_TIME_TSF
,
13362 req
->info
.scan_start_tsf
, NL80211_BSS_PAD
) ||
13363 nla_put(msg
, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID
, ETH_ALEN
,
13364 req
->info
.tsf_bssid
)))
13365 goto nla_put_failure
;
13372 static int nl80211_prep_scan_msg(struct sk_buff
*msg
,
13373 struct cfg80211_registered_device
*rdev
,
13374 struct wireless_dev
*wdev
,
13375 u32 portid
, u32 seq
, int flags
,
13380 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
13384 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13385 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13386 wdev
->netdev
->ifindex
)) ||
13387 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
13389 goto nla_put_failure
;
13391 /* ignore errors and send incomplete event anyway */
13392 nl80211_add_scan_req(msg
, rdev
);
13394 genlmsg_end(msg
, hdr
);
13398 genlmsg_cancel(msg
, hdr
);
13403 nl80211_prep_sched_scan_msg(struct sk_buff
*msg
,
13404 struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13408 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13412 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
,
13413 wiphy_to_rdev(req
->wiphy
)->wiphy_idx
) ||
13414 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, req
->dev
->ifindex
) ||
13415 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, req
->reqid
,
13417 goto nla_put_failure
;
13419 genlmsg_end(msg
, hdr
);
13423 genlmsg_cancel(msg
, hdr
);
13427 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
13428 struct wireless_dev
*wdev
)
13430 struct sk_buff
*msg
;
13432 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13436 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13437 NL80211_CMD_TRIGGER_SCAN
) < 0) {
13442 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13443 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13446 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
13447 struct wireless_dev
*wdev
, bool aborted
)
13449 struct sk_buff
*msg
;
13451 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13455 if (nl80211_prep_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
13456 aborted
? NL80211_CMD_SCAN_ABORTED
:
13457 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
13465 /* send message created by nl80211_build_scan_msg() */
13466 void nl80211_send_scan_msg(struct cfg80211_registered_device
*rdev
,
13467 struct sk_buff
*msg
)
13472 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13473 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13476 void nl80211_send_sched_scan(struct cfg80211_sched_scan_request
*req
, u32 cmd
)
13478 struct sk_buff
*msg
;
13480 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13484 if (nl80211_prep_sched_scan_msg(msg
, req
, cmd
) < 0) {
13489 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(req
->wiphy
), msg
, 0,
13490 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
13493 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
13494 struct regulatory_request
*request
)
13496 /* Userspace can always count this one always being set */
13497 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
13498 goto nla_put_failure
;
13500 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
13501 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13502 NL80211_REGDOM_TYPE_WORLD
))
13503 goto nla_put_failure
;
13504 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
13505 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13506 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
13507 goto nla_put_failure
;
13508 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
13509 request
->intersect
) {
13510 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13511 NL80211_REGDOM_TYPE_INTERSECTION
))
13512 goto nla_put_failure
;
13514 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
13515 NL80211_REGDOM_TYPE_COUNTRY
) ||
13516 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
13518 goto nla_put_failure
;
13521 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
13522 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
13525 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
13526 goto nla_put_failure
;
13529 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
13530 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
13531 goto nla_put_failure
;
13541 * This can happen on global regulatory changes or device specific settings
13542 * based on custom regulatory domains.
13544 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
13545 struct regulatory_request
*request
)
13547 struct sk_buff
*msg
;
13550 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13554 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
13560 if (nl80211_reg_change_event_fill(msg
, request
) == false)
13561 goto nla_put_failure
;
13563 genlmsg_end(msg
, hdr
);
13566 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
13567 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
13573 genlmsg_cancel(msg
, hdr
);
13577 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
13578 struct net_device
*netdev
,
13579 const u8
*buf
, size_t len
,
13580 enum nl80211_commands cmd
, gfp_t gfp
,
13583 struct sk_buff
*msg
;
13586 msg
= nlmsg_new(100 + len
, gfp
);
13590 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13596 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13597 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13598 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
13599 goto nla_put_failure
;
13601 if (uapsd_queues
>= 0) {
13602 struct nlattr
*nla_wmm
=
13603 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
13605 goto nla_put_failure
;
13607 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
13609 goto nla_put_failure
;
13611 nla_nest_end(msg
, nla_wmm
);
13614 genlmsg_end(msg
, hdr
);
13616 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13617 NL80211_MCGRP_MLME
, gfp
);
13621 genlmsg_cancel(msg
, hdr
);
13625 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
13626 struct net_device
*netdev
, const u8
*buf
,
13627 size_t len
, gfp_t gfp
)
13629 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13630 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
13633 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
13634 struct net_device
*netdev
, const u8
*buf
,
13635 size_t len
, gfp_t gfp
, int uapsd_queues
)
13637 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13638 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
13641 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
13642 struct net_device
*netdev
, const u8
*buf
,
13643 size_t len
, gfp_t gfp
)
13645 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13646 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
13649 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
13650 struct net_device
*netdev
, const u8
*buf
,
13651 size_t len
, gfp_t gfp
)
13653 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
13654 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
13657 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
13660 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13661 struct wiphy
*wiphy
= wdev
->wiphy
;
13662 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13663 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
13666 if (WARN_ON(len
< 2))
13669 if (ieee80211_is_deauth(mgmt
->frame_control
))
13670 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
13672 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
13674 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
13675 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
13677 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
13679 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
13680 struct net_device
*netdev
, int cmd
,
13681 const u8
*addr
, gfp_t gfp
)
13683 struct sk_buff
*msg
;
13686 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13690 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
13696 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13697 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13698 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13699 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
13700 goto nla_put_failure
;
13702 genlmsg_end(msg
, hdr
);
13704 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13705 NL80211_MCGRP_MLME
, gfp
);
13709 genlmsg_cancel(msg
, hdr
);
13713 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
13714 struct net_device
*netdev
, const u8
*addr
,
13717 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
13721 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
13722 struct net_device
*netdev
, const u8
*addr
,
13725 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
13729 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
13730 struct net_device
*netdev
,
13731 struct cfg80211_connect_resp_params
*cr
,
13734 struct sk_buff
*msg
;
13737 msg
= nlmsg_new(100 + cr
->req_ie_len
+ cr
->resp_ie_len
+
13738 cr
->fils_kek_len
+ cr
->pmk_len
+
13739 (cr
->pmkid
? WLAN_PMKID_LEN
: 0), gfp
);
13743 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
13749 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13750 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13752 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, cr
->bssid
)) ||
13753 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
,
13754 cr
->status
< 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE
:
13757 (nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
13758 nla_put_u32(msg
, NL80211_ATTR_TIMEOUT_REASON
,
13759 cr
->timeout_reason
))) ||
13761 nla_put(msg
, NL80211_ATTR_REQ_IE
, cr
->req_ie_len
, cr
->req_ie
)) ||
13763 nla_put(msg
, NL80211_ATTR_RESP_IE
, cr
->resp_ie_len
,
13765 (cr
->update_erp_next_seq_num
&&
13766 nla_put_u16(msg
, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM
,
13767 cr
->fils_erp_next_seq_num
)) ||
13768 (cr
->status
== WLAN_STATUS_SUCCESS
&&
13770 nla_put(msg
, NL80211_ATTR_FILS_KEK
, cr
->fils_kek_len
,
13773 nla_put(msg
, NL80211_ATTR_PMK
, cr
->pmk_len
, cr
->pmk
)) ||
13775 nla_put(msg
, NL80211_ATTR_PMKID
, WLAN_PMKID_LEN
, cr
->pmkid
)))))
13776 goto nla_put_failure
;
13778 genlmsg_end(msg
, hdr
);
13780 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13781 NL80211_MCGRP_MLME
, gfp
);
13785 genlmsg_cancel(msg
, hdr
);
13789 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
13790 struct net_device
*netdev
,
13791 struct cfg80211_roam_info
*info
, gfp_t gfp
)
13793 struct sk_buff
*msg
;
13795 const u8
*bssid
= info
->bss
? info
->bss
->bssid
: info
->bssid
;
13797 msg
= nlmsg_new(100 + info
->req_ie_len
+ info
->resp_ie_len
, gfp
);
13801 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
13807 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13808 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13809 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
13811 nla_put(msg
, NL80211_ATTR_REQ_IE
, info
->req_ie_len
,
13814 nla_put(msg
, NL80211_ATTR_RESP_IE
, info
->resp_ie_len
,
13816 (info
->authorized
&&
13817 nla_put_flag(msg
, NL80211_ATTR_PORT_AUTHORIZED
)))
13818 goto nla_put_failure
;
13820 genlmsg_end(msg
, hdr
);
13822 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13823 NL80211_MCGRP_MLME
, gfp
);
13827 genlmsg_cancel(msg
, hdr
);
13831 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
13832 struct net_device
*netdev
, u16 reason
,
13833 const u8
*ie
, size_t ie_len
, bool from_ap
)
13835 struct sk_buff
*msg
;
13838 msg
= nlmsg_new(100 + ie_len
, GFP_KERNEL
);
13842 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
13848 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13849 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13850 (from_ap
&& reason
&&
13851 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
13853 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
13854 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
13855 goto nla_put_failure
;
13857 genlmsg_end(msg
, hdr
);
13859 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13860 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13864 genlmsg_cancel(msg
, hdr
);
13868 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
13869 struct net_device
*netdev
, const u8
*bssid
,
13872 struct sk_buff
*msg
;
13875 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13879 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
13885 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13886 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13887 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
13888 goto nla_put_failure
;
13890 genlmsg_end(msg
, hdr
);
13892 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13893 NL80211_MCGRP_MLME
, gfp
);
13897 genlmsg_cancel(msg
, hdr
);
13901 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
13902 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
13904 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13905 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13906 struct sk_buff
*msg
;
13909 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
13912 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
13914 msg
= nlmsg_new(100 + ie_len
, gfp
);
13918 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
13924 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13925 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13926 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
13928 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
13929 goto nla_put_failure
;
13931 genlmsg_end(msg
, hdr
);
13933 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13934 NL80211_MCGRP_MLME
, gfp
);
13938 genlmsg_cancel(msg
, hdr
);
13941 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
13943 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
13944 struct net_device
*netdev
, const u8
*addr
,
13945 enum nl80211_key_type key_type
, int key_id
,
13946 const u8
*tsc
, gfp_t gfp
)
13948 struct sk_buff
*msg
;
13951 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13955 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
13961 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13962 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13963 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
13964 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
13966 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
13967 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
13968 goto nla_put_failure
;
13970 genlmsg_end(msg
, hdr
);
13972 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13973 NL80211_MCGRP_MLME
, gfp
);
13977 genlmsg_cancel(msg
, hdr
);
13981 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
13982 struct ieee80211_channel
*channel_before
,
13983 struct ieee80211_channel
*channel_after
)
13985 struct sk_buff
*msg
;
13987 struct nlattr
*nl_freq
;
13989 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
13993 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
14000 * Since we are applying the beacon hint to a wiphy we know its
14001 * wiphy_idx is valid
14003 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
14004 goto nla_put_failure
;
14007 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
14009 goto nla_put_failure
;
14010 if (nl80211_msg_put_channel(msg
, channel_before
, false))
14011 goto nla_put_failure
;
14012 nla_nest_end(msg
, nl_freq
);
14015 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
14017 goto nla_put_failure
;
14018 if (nl80211_msg_put_channel(msg
, channel_after
, false))
14019 goto nla_put_failure
;
14020 nla_nest_end(msg
, nl_freq
);
14022 genlmsg_end(msg
, hdr
);
14025 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
14026 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
14032 genlmsg_cancel(msg
, hdr
);
14036 static void nl80211_send_remain_on_chan_event(
14037 int cmd
, struct cfg80211_registered_device
*rdev
,
14038 struct wireless_dev
*wdev
, u64 cookie
,
14039 struct ieee80211_channel
*chan
,
14040 unsigned int duration
, gfp_t gfp
)
14042 struct sk_buff
*msg
;
14045 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14049 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14055 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14056 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14057 wdev
->netdev
->ifindex
)) ||
14058 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14059 NL80211_ATTR_PAD
) ||
14060 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
14061 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
14062 NL80211_CHAN_NO_HT
) ||
14063 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14065 goto nla_put_failure
;
14067 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
14068 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
14069 goto nla_put_failure
;
14071 genlmsg_end(msg
, hdr
);
14073 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14074 NL80211_MCGRP_MLME
, gfp
);
14078 genlmsg_cancel(msg
, hdr
);
14082 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
14083 struct ieee80211_channel
*chan
,
14084 unsigned int duration
, gfp_t gfp
)
14086 struct wiphy
*wiphy
= wdev
->wiphy
;
14087 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14089 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
14090 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
14091 rdev
, wdev
, cookie
, chan
,
14094 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
14096 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
14097 struct ieee80211_channel
*chan
,
14100 struct wiphy
*wiphy
= wdev
->wiphy
;
14101 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14103 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
14104 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
14105 rdev
, wdev
, cookie
, chan
, 0, gfp
);
14107 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
14109 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
14110 struct station_info
*sinfo
, gfp_t gfp
)
14112 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14113 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14114 struct sk_buff
*msg
;
14116 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
14118 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14122 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
14123 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14128 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14129 NL80211_MCGRP_MLME
, gfp
);
14131 EXPORT_SYMBOL(cfg80211_new_sta
);
14133 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
14134 struct station_info
*sinfo
, gfp_t gfp
)
14136 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14137 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14138 struct sk_buff
*msg
;
14139 struct station_info empty_sinfo
= {};
14142 sinfo
= &empty_sinfo
;
14144 trace_cfg80211_del_sta(dev
, mac_addr
);
14146 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14150 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
14151 rdev
, dev
, mac_addr
, sinfo
) < 0) {
14156 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14157 NL80211_MCGRP_MLME
, gfp
);
14159 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
14161 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
14162 enum nl80211_connect_failed_reason reason
,
14165 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
14166 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14167 struct sk_buff
*msg
;
14170 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
14174 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
14180 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14181 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
14182 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
14183 goto nla_put_failure
;
14185 genlmsg_end(msg
, hdr
);
14187 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14188 NL80211_MCGRP_MLME
, gfp
);
14192 genlmsg_cancel(msg
, hdr
);
14195 EXPORT_SYMBOL(cfg80211_conn_failed
);
14197 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
14198 const u8
*addr
, gfp_t gfp
)
14200 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14201 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14202 struct sk_buff
*msg
;
14204 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
14209 msg
= nlmsg_new(100, gfp
);
14213 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
14219 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14220 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14221 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
14222 goto nla_put_failure
;
14224 genlmsg_end(msg
, hdr
);
14225 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14229 genlmsg_cancel(msg
, hdr
);
14234 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
14235 const u8
*addr
, gfp_t gfp
)
14237 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14240 trace_cfg80211_rx_spurious_frame(dev
, addr
);
14242 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14243 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
14244 trace_cfg80211_return_bool(false);
14247 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
14249 trace_cfg80211_return_bool(ret
);
14252 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
14254 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
14255 const u8
*addr
, gfp_t gfp
)
14257 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14260 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
14262 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
14263 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
14264 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
14265 trace_cfg80211_return_bool(false);
14268 ret
= __nl80211_unexpected_frame(dev
,
14269 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
14271 trace_cfg80211_return_bool(ret
);
14274 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
14276 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
14277 struct wireless_dev
*wdev
, u32 nlportid
,
14278 int freq
, int sig_dbm
,
14279 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
14281 struct net_device
*netdev
= wdev
->netdev
;
14282 struct sk_buff
*msg
;
14285 msg
= nlmsg_new(100 + len
, gfp
);
14289 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14295 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14296 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14297 netdev
->ifindex
)) ||
14298 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14299 NL80211_ATTR_PAD
) ||
14300 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
14302 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14303 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14305 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
14306 goto nla_put_failure
;
14308 genlmsg_end(msg
, hdr
);
14310 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
14313 genlmsg_cancel(msg
, hdr
);
14318 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
14319 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
14321 struct wiphy
*wiphy
= wdev
->wiphy
;
14322 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14323 struct net_device
*netdev
= wdev
->netdev
;
14324 struct sk_buff
*msg
;
14327 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
14329 msg
= nlmsg_new(100 + len
, gfp
);
14333 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
14339 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14340 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14341 netdev
->ifindex
)) ||
14342 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14343 NL80211_ATTR_PAD
) ||
14344 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
14345 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14346 NL80211_ATTR_PAD
) ||
14347 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14348 goto nla_put_failure
;
14350 genlmsg_end(msg
, hdr
);
14352 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14353 NL80211_MCGRP_MLME
, gfp
);
14357 genlmsg_cancel(msg
, hdr
);
14360 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
14362 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
14363 const char *mac
, gfp_t gfp
)
14365 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14366 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14367 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14373 cb
= (void **)msg
->cb
;
14375 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
14381 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14382 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
14383 goto nla_put_failure
;
14385 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
14386 goto nla_put_failure
;
14388 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
14390 goto nla_put_failure
;
14400 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
14402 void **cb
= (void **)msg
->cb
;
14403 struct cfg80211_registered_device
*rdev
= cb
[2];
14405 nla_nest_end(msg
, cb
[1]);
14406 genlmsg_end(msg
, cb
[0]);
14408 memset(msg
->cb
, 0, sizeof(msg
->cb
));
14410 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14411 NL80211_MCGRP_MLME
, gfp
);
14414 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
14415 enum nl80211_cqm_rssi_threshold_event rssi_event
,
14416 s32 rssi_level
, gfp_t gfp
)
14418 struct sk_buff
*msg
;
14419 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14420 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14422 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
, rssi_level
);
14424 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
14425 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
14428 if (wdev
->cqm_config
) {
14429 wdev
->cqm_config
->last_rssi_event_value
= rssi_level
;
14431 cfg80211_cqm_rssi_update(rdev
, dev
);
14433 if (rssi_level
== 0)
14434 rssi_level
= wdev
->cqm_config
->last_rssi_event_value
;
14437 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14441 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
14443 goto nla_put_failure
;
14445 if (rssi_level
&& nla_put_s32(msg
, NL80211_ATTR_CQM_RSSI_LEVEL
,
14447 goto nla_put_failure
;
14449 cfg80211_send_cqm(msg
, gfp
);
14456 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
14458 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
14459 const u8
*peer
, u32 num_packets
,
14460 u32 rate
, u32 intvl
, gfp_t gfp
)
14462 struct sk_buff
*msg
;
14464 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14468 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
14469 goto nla_put_failure
;
14471 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
14472 goto nla_put_failure
;
14474 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
14475 goto nla_put_failure
;
14477 cfg80211_send_cqm(msg
, gfp
);
14483 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
14485 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
14486 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
14488 struct sk_buff
*msg
;
14490 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
14492 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
14496 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
14497 goto nla_put_failure
;
14499 cfg80211_send_cqm(msg
, gfp
);
14505 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
14507 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
14509 struct sk_buff
*msg
;
14511 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
14515 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
14516 goto nla_put_failure
;
14518 cfg80211_send_cqm(msg
, gfp
);
14524 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
14526 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
14527 struct net_device
*netdev
, const u8
*bssid
,
14528 const u8
*replay_ctr
, gfp_t gfp
)
14530 struct sk_buff
*msg
;
14531 struct nlattr
*rekey_attr
;
14534 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14538 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
14544 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14545 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14546 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
14547 goto nla_put_failure
;
14549 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
14551 goto nla_put_failure
;
14553 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
14554 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
14555 goto nla_put_failure
;
14557 nla_nest_end(msg
, rekey_attr
);
14559 genlmsg_end(msg
, hdr
);
14561 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14562 NL80211_MCGRP_MLME
, gfp
);
14566 genlmsg_cancel(msg
, hdr
);
14570 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
14571 const u8
*replay_ctr
, gfp_t gfp
)
14573 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14574 struct wiphy
*wiphy
= wdev
->wiphy
;
14575 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14577 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
14578 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
14580 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
14583 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
14584 struct net_device
*netdev
, int index
,
14585 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14587 struct sk_buff
*msg
;
14588 struct nlattr
*attr
;
14591 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14595 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
14601 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14602 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14603 goto nla_put_failure
;
14605 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
14607 goto nla_put_failure
;
14609 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
14610 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
14612 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
14613 goto nla_put_failure
;
14615 nla_nest_end(msg
, attr
);
14617 genlmsg_end(msg
, hdr
);
14619 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14620 NL80211_MCGRP_MLME
, gfp
);
14624 genlmsg_cancel(msg
, hdr
);
14628 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
14629 const u8
*bssid
, bool preauth
, gfp_t gfp
)
14631 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14632 struct wiphy
*wiphy
= wdev
->wiphy
;
14633 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14635 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
14636 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
14638 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
14640 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
14641 struct net_device
*netdev
,
14642 struct cfg80211_chan_def
*chandef
,
14644 enum nl80211_commands notif
,
14647 struct sk_buff
*msg
;
14650 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14654 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
14660 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
14661 goto nla_put_failure
;
14663 if (nl80211_send_chandef(msg
, chandef
))
14664 goto nla_put_failure
;
14666 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
14667 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
14668 goto nla_put_failure
;
14670 genlmsg_end(msg
, hdr
);
14672 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14673 NL80211_MCGRP_MLME
, gfp
);
14677 genlmsg_cancel(msg
, hdr
);
14681 void cfg80211_ch_switch_notify(struct net_device
*dev
,
14682 struct cfg80211_chan_def
*chandef
)
14684 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14685 struct wiphy
*wiphy
= wdev
->wiphy
;
14686 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14688 ASSERT_WDEV_LOCK(wdev
);
14690 trace_cfg80211_ch_switch_notify(dev
, chandef
);
14692 wdev
->chandef
= *chandef
;
14693 wdev
->preset_chandef
= *chandef
;
14694 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14695 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
14697 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
14699 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
14700 struct cfg80211_chan_def
*chandef
,
14703 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14704 struct wiphy
*wiphy
= wdev
->wiphy
;
14705 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14707 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
14709 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
14710 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
14712 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
14715 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
14716 const struct cfg80211_chan_def
*chandef
,
14717 enum nl80211_radar_event event
,
14718 struct net_device
*netdev
, gfp_t gfp
)
14720 struct sk_buff
*msg
;
14723 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14727 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
14733 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
14734 goto nla_put_failure
;
14736 /* NOP and radar events don't need a netdev parameter */
14738 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
14740 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
14741 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14743 goto nla_put_failure
;
14746 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
14747 goto nla_put_failure
;
14749 if (nl80211_send_chandef(msg
, chandef
))
14750 goto nla_put_failure
;
14752 genlmsg_end(msg
, hdr
);
14754 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14755 NL80211_MCGRP_MLME
, gfp
);
14759 genlmsg_cancel(msg
, hdr
);
14763 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
14764 u64 cookie
, bool acked
, gfp_t gfp
)
14766 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
14767 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14768 struct sk_buff
*msg
;
14771 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
14773 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
14778 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
14784 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14785 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
14786 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
14787 nla_put_u64_64bit(msg
, NL80211_ATTR_COOKIE
, cookie
,
14788 NL80211_ATTR_PAD
) ||
14789 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
14790 goto nla_put_failure
;
14792 genlmsg_end(msg
, hdr
);
14794 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
14795 NL80211_MCGRP_MLME
, gfp
);
14799 genlmsg_cancel(msg
, hdr
);
14802 EXPORT_SYMBOL(cfg80211_probe_status
);
14804 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
14805 const u8
*frame
, size_t len
,
14806 int freq
, int sig_dbm
)
14808 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
14809 struct sk_buff
*msg
;
14811 struct cfg80211_beacon_registration
*reg
;
14813 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
14815 spin_lock_bh(&rdev
->beacon_registrations_lock
);
14816 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
14817 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
14819 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14823 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
14825 goto nla_put_failure
;
14827 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14829 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
14831 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
14832 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
14833 goto nla_put_failure
;
14835 genlmsg_end(msg
, hdr
);
14837 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
14839 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14843 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
14845 genlmsg_cancel(msg
, hdr
);
14848 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
14851 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
14852 struct cfg80211_wowlan_wakeup
*wakeup
)
14854 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
14855 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
14858 nl_results
= nla_nest_start(
14859 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
14863 for (i
= 0; i
< nd
->n_matches
; i
++) {
14864 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
14866 nl_match
= nla_nest_start(msg
, i
);
14870 /* The SSID attribute is optional in nl80211, but for
14871 * simplicity reasons it's always present in the
14872 * cfg80211 structure. If a driver can't pass the
14873 * SSID, that needs to be changed. A zero length SSID
14874 * is still a valid SSID (wildcard), so it cannot be
14875 * used for this purpose.
14877 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
14878 match
->ssid
.ssid
)) {
14879 nla_nest_cancel(msg
, nl_match
);
14883 if (match
->n_channels
) {
14884 nl_freqs
= nla_nest_start(
14885 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
14887 nla_nest_cancel(msg
, nl_match
);
14891 for (j
= 0; j
< match
->n_channels
; j
++) {
14892 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
14893 nla_nest_cancel(msg
, nl_freqs
);
14894 nla_nest_cancel(msg
, nl_match
);
14899 nla_nest_end(msg
, nl_freqs
);
14902 nla_nest_end(msg
, nl_match
);
14906 nla_nest_end(msg
, nl_results
);
14910 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
14911 struct cfg80211_wowlan_wakeup
*wakeup
,
14914 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
14915 struct sk_buff
*msg
;
14919 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
14922 size
+= wakeup
->packet_present_len
;
14924 msg
= nlmsg_new(size
, gfp
);
14928 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
14932 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
14933 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
14937 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
14938 wdev
->netdev
->ifindex
))
14942 struct nlattr
*reasons
;
14944 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
14948 if (wakeup
->disconnect
&&
14949 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
14951 if (wakeup
->magic_pkt
&&
14952 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
14954 if (wakeup
->gtk_rekey_failure
&&
14955 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
14957 if (wakeup
->eap_identity_req
&&
14958 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
14960 if (wakeup
->four_way_handshake
&&
14961 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
14963 if (wakeup
->rfkill_release
&&
14964 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
14967 if (wakeup
->pattern_idx
>= 0 &&
14968 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
14969 wakeup
->pattern_idx
))
14972 if (wakeup
->tcp_match
&&
14973 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
14976 if (wakeup
->tcp_connlost
&&
14977 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
14980 if (wakeup
->tcp_nomoretokens
&&
14982 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
14985 if (wakeup
->packet
) {
14986 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
14987 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
14989 if (!wakeup
->packet_80211
) {
14991 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
14993 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
14996 if (wakeup
->packet_len
&&
14997 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
15000 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
15005 if (wakeup
->net_detect
&&
15006 cfg80211_net_detect_results(msg
, wakeup
))
15009 nla_nest_end(msg
, reasons
);
15012 genlmsg_end(msg
, hdr
);
15014 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15015 NL80211_MCGRP_MLME
, gfp
);
15021 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
15024 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
15025 enum nl80211_tdls_operation oper
,
15026 u16 reason_code
, gfp_t gfp
)
15028 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
15029 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
15030 struct sk_buff
*msg
;
15033 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
15036 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15040 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
15046 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15047 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
15048 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
15049 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
15050 (reason_code
> 0 &&
15051 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
15052 goto nla_put_failure
;
15054 genlmsg_end(msg
, hdr
);
15056 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15057 NL80211_MCGRP_MLME
, gfp
);
15061 genlmsg_cancel(msg
, hdr
);
15064 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
15066 static int nl80211_netlink_notify(struct notifier_block
* nb
,
15067 unsigned long state
,
15070 struct netlink_notify
*notify
= _notify
;
15071 struct cfg80211_registered_device
*rdev
;
15072 struct wireless_dev
*wdev
;
15073 struct cfg80211_beacon_registration
*reg
, *tmp
;
15075 if (state
!= NETLINK_URELEASE
|| notify
->protocol
!= NETLINK_GENERIC
)
15076 return NOTIFY_DONE
;
15080 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
15081 struct cfg80211_sched_scan_request
*sched_scan_req
;
15083 list_for_each_entry_rcu(sched_scan_req
,
15084 &rdev
->sched_scan_req_list
,
15086 if (sched_scan_req
->owner_nlportid
== notify
->portid
) {
15087 sched_scan_req
->nl_owner_dead
= true;
15088 schedule_work(&rdev
->sched_scan_stop_wk
);
15092 list_for_each_entry_rcu(wdev
, &rdev
->wiphy
.wdev_list
, list
) {
15093 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
15095 if (wdev
->owner_nlportid
== notify
->portid
) {
15096 wdev
->nl_owner_dead
= true;
15097 schedule_work(&rdev
->destroy_work
);
15098 } else if (wdev
->conn_owner_nlportid
== notify
->portid
) {
15099 schedule_work(&wdev
->disconnect_wk
);
15103 spin_lock_bh(&rdev
->beacon_registrations_lock
);
15104 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
15106 if (reg
->nlportid
== notify
->portid
) {
15107 list_del(®
->list
);
15112 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
15118 * It is possible that the user space process that is controlling the
15119 * indoor setting disappeared, so notify the regulatory core.
15121 regulatory_netlink_notify(notify
->portid
);
15125 static struct notifier_block nl80211_netlink_notifier
= {
15126 .notifier_call
= nl80211_netlink_notify
,
15129 void cfg80211_ft_event(struct net_device
*netdev
,
15130 struct cfg80211_ft_event_params
*ft_event
)
15132 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
15133 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15134 struct sk_buff
*msg
;
15137 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
15139 if (!ft_event
->target_ap
)
15142 msg
= nlmsg_new(100 + ft_event
->ric_ies_len
, GFP_KERNEL
);
15146 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
15150 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15151 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
15152 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
15155 if (ft_event
->ies
&&
15156 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
15158 if (ft_event
->ric_ies
&&
15159 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
15160 ft_event
->ric_ies
))
15163 genlmsg_end(msg
, hdr
);
15165 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
15166 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15171 EXPORT_SYMBOL(cfg80211_ft_event
);
15173 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
15175 struct cfg80211_registered_device
*rdev
;
15176 struct sk_buff
*msg
;
15180 rdev
= wiphy_to_rdev(wdev
->wiphy
);
15181 if (!rdev
->crit_proto_nlportid
)
15184 nlportid
= rdev
->crit_proto_nlportid
;
15185 rdev
->crit_proto_nlportid
= 0;
15187 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
15191 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
15193 goto nla_put_failure
;
15195 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15196 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15198 goto nla_put_failure
;
15200 genlmsg_end(msg
, hdr
);
15202 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
15207 genlmsg_cancel(msg
, hdr
);
15210 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
15212 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
15214 struct wiphy
*wiphy
= wdev
->wiphy
;
15215 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
15216 struct sk_buff
*msg
;
15219 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
15223 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
15227 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
15228 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
15229 nla_put_u64_64bit(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
),
15233 genlmsg_end(msg
, hdr
);
15235 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
15236 NL80211_MCGRP_MLME
, GFP_KERNEL
);
15242 /* initialisation/exit functions */
15244 int __init
nl80211_init(void)
15248 err
= genl_register_family(&nl80211_fam
);
15252 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
15258 genl_unregister_family(&nl80211_fam
);
15262 void nl80211_exit(void)
15264 netlink_unregister_notifier(&nl80211_netlink_notifier
);
15265 genl_unregister_family(&nl80211_fam
);