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 Intel Deutschland GmbH
10 #include <linux/module.h>
11 #include <linux/err.h>
12 #include <linux/slab.h>
13 #include <linux/list.h>
14 #include <linux/if_ether.h>
15 #include <linux/ieee80211.h>
16 #include <linux/nl80211.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/netlink.h>
19 #include <linux/etherdevice.h>
20 #include <net/net_namespace.h>
21 #include <net/genetlink.h>
22 #include <net/cfg80211.h>
24 #include <net/inet_connection_sock.h>
30 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
31 struct genl_info
*info
,
32 struct cfg80211_crypto_settings
*settings
,
35 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
36 struct genl_info
*info
);
37 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
38 struct genl_info
*info
);
40 /* the netlink family */
41 static struct genl_family nl80211_fam
= {
42 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
43 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
44 .hdrsize
= 0, /* no private header */
45 .version
= 1, /* no particular meaning now */
46 .maxattr
= NL80211_ATTR_MAX
,
48 .pre_doit
= nl80211_pre_doit
,
49 .post_doit
= nl80211_post_doit
,
52 /* multicast groups */
53 enum nl80211_multicast_groups
{
56 NL80211_MCGRP_REGULATORY
,
59 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
62 static const struct genl_multicast_group nl80211_mcgrps
[] = {
63 [NL80211_MCGRP_CONFIG
] = { .name
= NL80211_MULTICAST_GROUP_CONFIG
},
64 [NL80211_MCGRP_SCAN
] = { .name
= NL80211_MULTICAST_GROUP_SCAN
},
65 [NL80211_MCGRP_REGULATORY
] = { .name
= NL80211_MULTICAST_GROUP_REG
},
66 [NL80211_MCGRP_MLME
] = { .name
= NL80211_MULTICAST_GROUP_MLME
},
67 [NL80211_MCGRP_VENDOR
] = { .name
= NL80211_MULTICAST_GROUP_VENDOR
},
68 #ifdef CONFIG_NL80211_TESTMODE
69 [NL80211_MCGRP_TESTMODE
] = { .name
= NL80211_MULTICAST_GROUP_TESTMODE
}
73 /* returns ERR_PTR values */
74 static struct wireless_dev
*
75 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
77 struct cfg80211_registered_device
*rdev
;
78 struct wireless_dev
*result
= NULL
;
79 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
80 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
87 if (!have_ifidx
&& !have_wdev_id
)
88 return ERR_PTR(-EINVAL
);
91 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
93 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
94 wiphy_idx
= wdev_id
>> 32;
97 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
98 struct wireless_dev
*wdev
;
100 if (wiphy_net(&rdev
->wiphy
) != netns
)
103 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
106 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
107 if (have_ifidx
&& wdev
->netdev
&&
108 wdev
->netdev
->ifindex
== ifidx
) {
112 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
124 return ERR_PTR(-ENODEV
);
127 static struct cfg80211_registered_device
*
128 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
130 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
131 struct net_device
*netdev
;
135 if (!attrs
[NL80211_ATTR_WIPHY
] &&
136 !attrs
[NL80211_ATTR_IFINDEX
] &&
137 !attrs
[NL80211_ATTR_WDEV
])
138 return ERR_PTR(-EINVAL
);
140 if (attrs
[NL80211_ATTR_WIPHY
])
141 rdev
= cfg80211_rdev_by_wiphy_idx(
142 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
144 if (attrs
[NL80211_ATTR_WDEV
]) {
145 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
146 struct wireless_dev
*wdev
;
149 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
151 /* make sure wdev exists */
152 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
153 if (wdev
->identifier
!= (u32
)wdev_id
)
162 if (rdev
&& tmp
!= rdev
)
163 return ERR_PTR(-EINVAL
);
168 if (attrs
[NL80211_ATTR_IFINDEX
]) {
169 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
170 netdev
= __dev_get_by_index(netns
, ifindex
);
172 if (netdev
->ieee80211_ptr
)
174 netdev
->ieee80211_ptr
->wiphy
);
178 /* not wireless device -- return error */
180 return ERR_PTR(-EINVAL
);
182 /* mismatch -- return error */
183 if (rdev
&& tmp
!= rdev
)
184 return ERR_PTR(-EINVAL
);
191 return ERR_PTR(-ENODEV
);
193 if (netns
!= wiphy_net(&rdev
->wiphy
))
194 return ERR_PTR(-ENODEV
);
200 * This function returns a pointer to the driver
201 * that the genl_info item that is passed refers to.
203 * The result of this can be a PTR_ERR and hence must
204 * be checked with IS_ERR() for errors.
206 static struct cfg80211_registered_device
*
207 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
209 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
212 /* policy for the attributes */
213 static const struct nla_policy nl80211_policy
[NUM_NL80211_ATTR
] = {
214 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
215 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
217 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
219 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
220 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
225 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
226 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
227 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
228 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
229 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
230 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
232 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
233 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
234 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
236 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
237 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
239 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
240 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
241 .len
= WLAN_MAX_KEY_LEN
},
242 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
243 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
244 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
245 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
246 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
248 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
249 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
250 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
251 .len
= IEEE80211_MAX_DATA_LEN
},
252 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
253 .len
= IEEE80211_MAX_DATA_LEN
},
254 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
255 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
256 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
257 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
258 .len
= NL80211_MAX_SUPP_RATES
},
259 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
260 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
261 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
262 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
263 .len
= IEEE80211_MAX_MESH_ID_LEN
},
264 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
266 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
267 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
269 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
270 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
271 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
272 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
273 .len
= NL80211_MAX_SUPP_RATES
},
274 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
276 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
277 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
279 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
281 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
282 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
283 .len
= IEEE80211_MAX_DATA_LEN
},
284 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
285 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
287 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
288 .len
= IEEE80211_MAX_SSID_LEN
},
289 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
290 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
291 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
292 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
293 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
294 [NL80211_ATTR_STA_FLAGS2
] = {
295 .len
= sizeof(struct nl80211_sta_flag_update
),
297 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
298 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
299 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
300 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
301 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
302 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
303 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
304 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
305 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
306 .len
= WLAN_PMKID_LEN
},
307 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
308 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
309 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
310 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
311 .len
= IEEE80211_MAX_DATA_LEN
},
312 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
313 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
314 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
315 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
316 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
317 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
318 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
319 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
320 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
321 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
322 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
323 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
324 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
325 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
326 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
327 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
328 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
329 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
330 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
331 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
332 .len
= IEEE80211_MAX_DATA_LEN
},
333 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
334 .len
= IEEE80211_MAX_DATA_LEN
},
335 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
336 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
337 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
338 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
339 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
340 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
341 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
342 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
343 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
344 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
345 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
346 .len
= IEEE80211_MAX_DATA_LEN
},
347 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
348 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
349 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
350 .len
= NL80211_HT_CAPABILITY_LEN
352 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
353 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
355 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
356 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
357 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
358 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
359 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
360 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
361 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
362 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
363 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
364 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
365 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
366 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
367 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
368 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
369 .len
= NL80211_VHT_CAPABILITY_LEN
,
371 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
372 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
373 .len
= IEEE80211_MAX_DATA_LEN
},
374 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
375 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
376 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
377 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
378 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
379 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
380 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
381 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
382 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
383 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
384 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
385 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
386 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
387 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
388 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
389 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
390 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
391 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
392 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
393 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
394 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
395 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
397 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
398 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
399 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
400 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG
] = { .type
= NLA_FLAG
},
401 [NL80211_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
402 [NL80211_ATTR_SCHED_SCAN_DELAY
] = { .type
= NLA_U32
},
403 [NL80211_ATTR_REG_INDOOR
] = { .type
= NLA_FLAG
},
406 /* policy for the key attributes */
407 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
408 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
409 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
410 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
411 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
412 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
413 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
414 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
415 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
418 /* policy for the key default flags */
419 static const struct nla_policy
420 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
421 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
422 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
425 /* policy for WoWLAN attributes */
426 static const struct nla_policy
427 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
428 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
429 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
430 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
431 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
432 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
433 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
434 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
435 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
436 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
437 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
440 static const struct nla_policy
441 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
442 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
443 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
444 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
445 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
446 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
447 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
448 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
449 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
451 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
452 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
454 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
455 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
456 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
459 /* policy for coalesce rule attributes */
460 static const struct nla_policy
461 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
462 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
463 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
464 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
467 /* policy for GTK rekey offload attributes */
468 static const struct nla_policy
469 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
470 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
471 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
472 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
475 static const struct nla_policy
476 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
477 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
478 .len
= IEEE80211_MAX_SSID_LEN
},
479 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
482 static const struct nla_policy
483 nl80211_plan_policy
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1] = {
484 [NL80211_SCHED_SCAN_PLAN_INTERVAL
] = { .type
= NLA_U32
},
485 [NL80211_SCHED_SCAN_PLAN_ITERATIONS
] = { .type
= NLA_U32
},
488 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
489 struct netlink_callback
*cb
,
490 struct cfg80211_registered_device
**rdev
,
491 struct wireless_dev
**wdev
)
498 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
499 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
504 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
505 nl80211_fam
.attrbuf
);
507 err
= PTR_ERR(*wdev
);
510 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
511 /* 0 is the first index - add 1 to parse only once */
512 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
513 cb
->args
[1] = (*wdev
)->identifier
;
515 /* subtract the 1 again here */
516 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
517 struct wireless_dev
*tmp
;
523 *rdev
= wiphy_to_rdev(wiphy
);
526 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
527 if (tmp
->identifier
== cb
->args
[1]) {
545 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
551 static bool is_valid_ie_attr(const struct nlattr
*attr
)
559 pos
= nla_data(attr
);
580 /* message building helper */
581 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
584 /* since there is no private header just add the generic one */
585 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
588 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
589 struct ieee80211_channel
*chan
,
592 /* Some channels must be completely excluded from the
593 * list to protect old user-space tools from breaking
595 if (!large
&& chan
->flags
&
596 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
599 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
601 goto nla_put_failure
;
603 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
604 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
605 goto nla_put_failure
;
606 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
607 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
608 goto nla_put_failure
;
609 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
610 goto nla_put_failure
;
612 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
613 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
614 goto nla_put_failure
;
618 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
620 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
622 goto nla_put_failure
;
623 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
625 goto nla_put_failure
;
627 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
629 goto nla_put_failure
;
634 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
635 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
636 goto nla_put_failure
;
637 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
638 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
639 goto nla_put_failure
;
640 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
641 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
642 goto nla_put_failure
;
643 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
644 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
645 goto nla_put_failure
;
646 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
647 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
648 goto nla_put_failure
;
649 if ((chan
->flags
& IEEE80211_CHAN_IR_CONCURRENT
) &&
650 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_IR_CONCURRENT
))
651 goto nla_put_failure
;
652 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
653 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
654 goto nla_put_failure
;
655 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
656 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
657 goto nla_put_failure
;
660 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
661 DBM_TO_MBM(chan
->max_power
)))
662 goto nla_put_failure
;
670 /* netlink command implementations */
677 bool def_uni
, def_multi
;
680 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
682 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
683 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
688 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
689 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
698 if (tb
[NL80211_KEY_IDX
])
699 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
701 if (tb
[NL80211_KEY_DATA
]) {
702 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
703 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
706 if (tb
[NL80211_KEY_SEQ
]) {
707 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
708 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
711 if (tb
[NL80211_KEY_CIPHER
])
712 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
714 if (tb
[NL80211_KEY_TYPE
]) {
715 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
716 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
720 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
721 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
722 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
723 tb
[NL80211_KEY_DEFAULT_TYPES
],
724 nl80211_key_default_policy
);
728 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
729 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
735 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
737 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
738 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
739 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
742 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
743 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
744 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
747 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
748 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
750 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
751 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
753 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
754 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
763 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
764 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
765 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
769 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
770 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
771 int err
= nla_parse_nested(
772 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
773 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
774 nl80211_key_default_policy
);
778 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
779 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
785 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
789 memset(k
, 0, sizeof(*k
));
793 if (info
->attrs
[NL80211_ATTR_KEY
])
794 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
796 err
= nl80211_parse_key_old(info
, k
);
801 if (k
->def
&& k
->defmgmt
)
805 if (k
->def_uni
|| !k
->def_multi
)
811 if (k
->idx
< 4 || k
->idx
> 5)
814 if (k
->idx
< 0 || k
->idx
> 3)
817 if (k
->idx
< 0 || k
->idx
> 5)
825 static struct cfg80211_cached_keys
*
826 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
827 struct nlattr
*keys
, bool *no_ht
)
829 struct key_parse parse
;
831 struct cfg80211_cached_keys
*result
;
832 int rem
, err
, def
= 0;
834 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
836 return ERR_PTR(-ENOMEM
);
839 result
->defmgmt
= -1;
841 nla_for_each_nested(key
, keys
, rem
) {
842 memset(&parse
, 0, sizeof(parse
));
845 err
= nl80211_parse_key_new(key
, &parse
);
851 if (parse
.idx
< 0 || parse
.idx
> 4)
857 result
->def
= parse
.idx
;
858 if (!parse
.def_uni
|| !parse
.def_multi
)
860 } else if (parse
.defmgmt
)
862 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
863 parse
.idx
, false, NULL
);
866 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
867 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
868 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
869 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
871 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
872 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
884 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
886 ASSERT_WDEV_LOCK(wdev
);
888 switch (wdev
->iftype
) {
889 case NL80211_IFTYPE_AP
:
890 case NL80211_IFTYPE_AP_VLAN
:
891 case NL80211_IFTYPE_P2P_GO
:
892 case NL80211_IFTYPE_MESH_POINT
:
894 case NL80211_IFTYPE_ADHOC
:
895 case NL80211_IFTYPE_STATION
:
896 case NL80211_IFTYPE_P2P_CLIENT
:
897 if (!wdev
->current_bss
)
900 case NL80211_IFTYPE_UNSPECIFIED
:
901 case NL80211_IFTYPE_OCB
:
902 case NL80211_IFTYPE_MONITOR
:
903 case NL80211_IFTYPE_P2P_DEVICE
:
904 case NL80211_IFTYPE_WDS
:
905 case NUM_NL80211_IFTYPES
:
912 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
915 struct ieee80211_channel
*chan
;
919 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
920 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
925 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
927 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
931 goto nla_put_failure
;
935 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
936 goto nla_put_failure
;
941 nla_nest_end(msg
, nl_modes
);
948 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
952 struct nlattr
*nl_combis
;
955 nl_combis
= nla_nest_start(msg
,
956 NL80211_ATTR_INTERFACE_COMBINATIONS
);
958 goto nla_put_failure
;
960 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
961 const struct ieee80211_iface_combination
*c
;
962 struct nlattr
*nl_combi
, *nl_limits
;
964 c
= &wiphy
->iface_combinations
[i
];
966 nl_combi
= nla_nest_start(msg
, i
+ 1);
968 goto nla_put_failure
;
970 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
972 goto nla_put_failure
;
974 for (j
= 0; j
< c
->n_limits
; j
++) {
975 struct nlattr
*nl_limit
;
977 nl_limit
= nla_nest_start(msg
, j
+ 1);
979 goto nla_put_failure
;
980 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
982 goto nla_put_failure
;
983 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
985 goto nla_put_failure
;
986 nla_nest_end(msg
, nl_limit
);
989 nla_nest_end(msg
, nl_limits
);
991 if (c
->beacon_int_infra_match
&&
992 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
993 goto nla_put_failure
;
994 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
995 c
->num_different_channels
) ||
996 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
998 goto nla_put_failure
;
1000 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
1001 c
->radar_detect_widths
) ||
1002 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
1003 c
->radar_detect_regions
)))
1004 goto nla_put_failure
;
1006 nla_nest_end(msg
, nl_combi
);
1009 nla_nest_end(msg
, nl_combis
);
1017 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1018 struct sk_buff
*msg
)
1020 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1021 struct nlattr
*nl_tcp
;
1026 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1030 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1031 tcp
->data_payload_max
))
1034 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1035 tcp
->data_payload_max
))
1038 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1041 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1042 sizeof(*tcp
->tok
), tcp
->tok
))
1045 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1046 tcp
->data_interval_max
))
1049 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1050 tcp
->wake_payload_max
))
1053 nla_nest_end(msg
, nl_tcp
);
1057 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1058 struct cfg80211_registered_device
*rdev
,
1061 struct nlattr
*nl_wowlan
;
1063 if (!rdev
->wiphy
.wowlan
)
1066 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1070 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1071 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1072 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1073 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1074 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1075 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1076 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1077 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1078 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1079 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1080 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1081 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1082 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1083 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1084 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1085 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1088 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1089 struct nl80211_pattern_support pat
= {
1090 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1091 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1092 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1093 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1096 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1101 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1102 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1103 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1106 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1109 nla_nest_end(msg
, nl_wowlan
);
1115 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1116 struct cfg80211_registered_device
*rdev
)
1118 struct nl80211_coalesce_rule_support rule
;
1120 if (!rdev
->wiphy
.coalesce
)
1123 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1124 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1125 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1126 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1127 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1128 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1130 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1136 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1137 struct ieee80211_supported_band
*sband
)
1139 struct nlattr
*nl_rates
, *nl_rate
;
1140 struct ieee80211_rate
*rate
;
1144 if (sband
->ht_cap
.ht_supported
&&
1145 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1146 sizeof(sband
->ht_cap
.mcs
),
1147 &sband
->ht_cap
.mcs
) ||
1148 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1149 sband
->ht_cap
.cap
) ||
1150 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1151 sband
->ht_cap
.ampdu_factor
) ||
1152 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1153 sband
->ht_cap
.ampdu_density
)))
1157 if (sband
->vht_cap
.vht_supported
&&
1158 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1159 sizeof(sband
->vht_cap
.vht_mcs
),
1160 &sband
->vht_cap
.vht_mcs
) ||
1161 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1162 sband
->vht_cap
.cap
)))
1166 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1170 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1171 nl_rate
= nla_nest_start(msg
, i
);
1175 rate
= &sband
->bitrates
[i
];
1176 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1179 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1181 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1184 nla_nest_end(msg
, nl_rate
);
1187 nla_nest_end(msg
, nl_rates
);
1193 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1194 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1197 struct nlattr
*nl_ftypes
, *nl_ifs
;
1198 enum nl80211_iftype ift
;
1204 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1208 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1209 nl_ftypes
= nla_nest_start(msg
, ift
);
1213 stypes
= mgmt_stypes
[ift
].tx
;
1216 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1217 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1222 nla_nest_end(msg
, nl_ftypes
);
1225 nla_nest_end(msg
, nl_ifs
);
1227 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1231 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1232 nl_ftypes
= nla_nest_start(msg
, ift
);
1236 stypes
= mgmt_stypes
[ift
].rx
;
1239 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1240 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1245 nla_nest_end(msg
, nl_ftypes
);
1247 nla_nest_end(msg
, nl_ifs
);
1252 struct nl80211_dump_wiphy_state
{
1255 long split_start
, band_start
, chan_start
;
1259 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1260 enum nl80211_commands cmd
,
1261 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1262 int flags
, struct nl80211_dump_wiphy_state
*state
)
1265 struct nlattr
*nl_bands
, *nl_band
;
1266 struct nlattr
*nl_freqs
, *nl_freq
;
1267 struct nlattr
*nl_cmds
;
1268 enum ieee80211_band band
;
1269 struct ieee80211_channel
*chan
;
1271 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1272 rdev
->wiphy
.mgmt_stypes
;
1275 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1279 if (WARN_ON(!state
))
1282 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1283 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1284 wiphy_name(&rdev
->wiphy
)) ||
1285 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1286 cfg80211_rdev_list_generation
))
1287 goto nla_put_failure
;
1289 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1292 switch (state
->split_start
) {
1294 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1295 rdev
->wiphy
.retry_short
) ||
1296 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1297 rdev
->wiphy
.retry_long
) ||
1298 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1299 rdev
->wiphy
.frag_threshold
) ||
1300 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1301 rdev
->wiphy
.rts_threshold
) ||
1302 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1303 rdev
->wiphy
.coverage_class
) ||
1304 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1305 rdev
->wiphy
.max_scan_ssids
) ||
1306 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1307 rdev
->wiphy
.max_sched_scan_ssids
) ||
1308 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1309 rdev
->wiphy
.max_scan_ie_len
) ||
1310 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1311 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1312 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1313 rdev
->wiphy
.max_match_sets
) ||
1314 nla_put_u32(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS
,
1315 rdev
->wiphy
.max_sched_scan_plans
) ||
1316 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL
,
1317 rdev
->wiphy
.max_sched_scan_plan_interval
) ||
1318 nla_put_u32(msg
, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS
,
1319 rdev
->wiphy
.max_sched_scan_plan_iterations
))
1320 goto nla_put_failure
;
1322 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1323 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1324 goto nla_put_failure
;
1325 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1326 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1327 goto nla_put_failure
;
1328 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1329 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1330 goto nla_put_failure
;
1331 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1332 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1333 goto nla_put_failure
;
1334 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1335 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1336 goto nla_put_failure
;
1337 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1338 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1339 goto nla_put_failure
;
1340 state
->split_start
++;
1344 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1345 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1346 rdev
->wiphy
.cipher_suites
))
1347 goto nla_put_failure
;
1349 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1350 rdev
->wiphy
.max_num_pmkids
))
1351 goto nla_put_failure
;
1353 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1354 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1355 goto nla_put_failure
;
1357 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1358 rdev
->wiphy
.available_antennas_tx
) ||
1359 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1360 rdev
->wiphy
.available_antennas_rx
))
1361 goto nla_put_failure
;
1363 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1364 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1365 rdev
->wiphy
.probe_resp_offload
))
1366 goto nla_put_failure
;
1368 if ((rdev
->wiphy
.available_antennas_tx
||
1369 rdev
->wiphy
.available_antennas_rx
) &&
1370 rdev
->ops
->get_antenna
) {
1371 u32 tx_ant
= 0, rx_ant
= 0;
1373 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1375 if (nla_put_u32(msg
,
1376 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1379 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1381 goto nla_put_failure
;
1385 state
->split_start
++;
1389 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1390 rdev
->wiphy
.interface_modes
))
1391 goto nla_put_failure
;
1392 state
->split_start
++;
1396 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1398 goto nla_put_failure
;
1400 for (band
= state
->band_start
;
1401 band
< IEEE80211_NUM_BANDS
; band
++) {
1402 struct ieee80211_supported_band
*sband
;
1404 sband
= rdev
->wiphy
.bands
[band
];
1409 nl_band
= nla_nest_start(msg
, band
);
1411 goto nla_put_failure
;
1413 switch (state
->chan_start
) {
1415 if (nl80211_send_band_rateinfo(msg
, sband
))
1416 goto nla_put_failure
;
1417 state
->chan_start
++;
1421 /* add frequencies */
1422 nl_freqs
= nla_nest_start(
1423 msg
, NL80211_BAND_ATTR_FREQS
);
1425 goto nla_put_failure
;
1427 for (i
= state
->chan_start
- 1;
1428 i
< sband
->n_channels
;
1430 nl_freq
= nla_nest_start(msg
, i
);
1432 goto nla_put_failure
;
1434 chan
= &sband
->channels
[i
];
1436 if (nl80211_msg_put_channel(
1439 goto nla_put_failure
;
1441 nla_nest_end(msg
, nl_freq
);
1445 if (i
< sband
->n_channels
)
1446 state
->chan_start
= i
+ 2;
1448 state
->chan_start
= 0;
1449 nla_nest_end(msg
, nl_freqs
);
1452 nla_nest_end(msg
, nl_band
);
1455 /* start again here */
1456 if (state
->chan_start
)
1461 nla_nest_end(msg
, nl_bands
);
1463 if (band
< IEEE80211_NUM_BANDS
)
1464 state
->band_start
= band
+ 1;
1466 state
->band_start
= 0;
1468 /* if bands & channels are done, continue outside */
1469 if (state
->band_start
== 0 && state
->chan_start
== 0)
1470 state
->split_start
++;
1474 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1476 goto nla_put_failure
;
1479 #define CMD(op, n) \
1481 if (rdev->ops->op) { \
1483 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1484 goto nla_put_failure; \
1488 CMD(add_virtual_intf
, NEW_INTERFACE
);
1489 CMD(change_virtual_intf
, SET_INTERFACE
);
1490 CMD(add_key
, NEW_KEY
);
1491 CMD(start_ap
, START_AP
);
1492 CMD(add_station
, NEW_STATION
);
1493 CMD(add_mpath
, NEW_MPATH
);
1494 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1495 CMD(change_bss
, SET_BSS
);
1496 CMD(auth
, AUTHENTICATE
);
1497 CMD(assoc
, ASSOCIATE
);
1498 CMD(deauth
, DEAUTHENTICATE
);
1499 CMD(disassoc
, DISASSOCIATE
);
1500 CMD(join_ibss
, JOIN_IBSS
);
1501 CMD(join_mesh
, JOIN_MESH
);
1502 CMD(set_pmksa
, SET_PMKSA
);
1503 CMD(del_pmksa
, DEL_PMKSA
);
1504 CMD(flush_pmksa
, FLUSH_PMKSA
);
1505 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1506 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1507 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1508 CMD(mgmt_tx
, FRAME
);
1509 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1510 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1512 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1513 goto nla_put_failure
;
1515 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1516 rdev
->ops
->join_mesh
) {
1518 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1519 goto nla_put_failure
;
1521 CMD(set_wds_peer
, SET_WDS_PEER
);
1522 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1523 CMD(tdls_mgmt
, TDLS_MGMT
);
1524 CMD(tdls_oper
, TDLS_OPER
);
1526 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1527 CMD(sched_scan_start
, START_SCHED_SCAN
);
1528 CMD(probe_client
, PROBE_CLIENT
);
1529 CMD(set_noack_map
, SET_NOACK_MAP
);
1530 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1532 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1533 goto nla_put_failure
;
1535 CMD(start_p2p_device
, START_P2P_DEVICE
);
1536 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1537 #ifdef CONFIG_NL80211_TESTMODE
1538 CMD(testmode_cmd
, TESTMODE
);
1541 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1542 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1543 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1544 CMD(channel_switch
, CHANNEL_SWITCH
);
1545 CMD(set_qos_map
, SET_QOS_MAP
);
1546 if (rdev
->wiphy
.features
&
1547 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1548 CMD(add_tx_ts
, ADD_TX_TS
);
1550 /* add into the if now */
1553 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1555 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1556 goto nla_put_failure
;
1559 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1561 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1562 goto nla_put_failure
;
1565 nla_nest_end(msg
, nl_cmds
);
1566 state
->split_start
++;
1570 if (rdev
->ops
->remain_on_channel
&&
1571 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1573 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1574 rdev
->wiphy
.max_remain_on_channel_duration
))
1575 goto nla_put_failure
;
1577 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1578 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1579 goto nla_put_failure
;
1581 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1582 goto nla_put_failure
;
1583 state
->split_start
++;
1588 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1589 goto nla_put_failure
;
1590 state
->split_start
++;
1594 state
->split_start
++;
1597 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1598 rdev
->wiphy
.software_iftypes
))
1599 goto nla_put_failure
;
1601 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1603 goto nla_put_failure
;
1605 state
->split_start
++;
1609 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1610 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1611 rdev
->wiphy
.ap_sme_capa
))
1612 goto nla_put_failure
;
1614 features
= rdev
->wiphy
.features
;
1616 * We can only add the per-channel limit information if the
1617 * dump is split, otherwise it makes it too big. Therefore
1618 * only advertise it in that case.
1621 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1622 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1623 goto nla_put_failure
;
1625 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1626 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1627 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1628 rdev
->wiphy
.ht_capa_mod_mask
))
1629 goto nla_put_failure
;
1631 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1632 rdev
->wiphy
.max_acl_mac_addrs
&&
1633 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1634 rdev
->wiphy
.max_acl_mac_addrs
))
1635 goto nla_put_failure
;
1638 * Any information below this point is only available to
1639 * applications that can deal with it being split. This
1640 * helps ensure that newly added capabilities don't break
1641 * older tools by overrunning their buffers.
1643 * We still increment split_start so that in the split
1644 * case we'll continue with more data in the next round,
1645 * but break unconditionally so unsplit data stops here.
1647 state
->split_start
++;
1650 if (rdev
->wiphy
.extended_capabilities
&&
1651 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1652 rdev
->wiphy
.extended_capabilities_len
,
1653 rdev
->wiphy
.extended_capabilities
) ||
1654 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1655 rdev
->wiphy
.extended_capabilities_len
,
1656 rdev
->wiphy
.extended_capabilities_mask
)))
1657 goto nla_put_failure
;
1659 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1660 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1661 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1662 rdev
->wiphy
.vht_capa_mod_mask
))
1663 goto nla_put_failure
;
1665 state
->split_start
++;
1668 if (nl80211_send_coalesce(msg
, rdev
))
1669 goto nla_put_failure
;
1671 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1672 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1673 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1674 goto nla_put_failure
;
1676 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1677 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1678 rdev
->wiphy
.max_ap_assoc_sta
))
1679 goto nla_put_failure
;
1681 state
->split_start
++;
1684 if (rdev
->wiphy
.n_vendor_commands
) {
1685 const struct nl80211_vendor_cmd_info
*info
;
1686 struct nlattr
*nested
;
1688 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1690 goto nla_put_failure
;
1692 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1693 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1694 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1695 goto nla_put_failure
;
1697 nla_nest_end(msg
, nested
);
1700 if (rdev
->wiphy
.n_vendor_events
) {
1701 const struct nl80211_vendor_cmd_info
*info
;
1702 struct nlattr
*nested
;
1704 nested
= nla_nest_start(msg
,
1705 NL80211_ATTR_VENDOR_EVENTS
);
1707 goto nla_put_failure
;
1709 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1710 info
= &rdev
->wiphy
.vendor_events
[i
];
1711 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1712 goto nla_put_failure
;
1714 nla_nest_end(msg
, nested
);
1716 state
->split_start
++;
1719 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1720 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1721 rdev
->wiphy
.max_num_csa_counters
))
1722 goto nla_put_failure
;
1724 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1725 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1726 goto nla_put_failure
;
1728 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1729 sizeof(rdev
->wiphy
.ext_features
),
1730 rdev
->wiphy
.ext_features
))
1731 goto nla_put_failure
;
1734 state
->split_start
= 0;
1738 genlmsg_end(msg
, hdr
);
1742 genlmsg_cancel(msg
, hdr
);
1746 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1747 struct netlink_callback
*cb
,
1748 struct nl80211_dump_wiphy_state
*state
)
1750 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1751 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1752 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1753 /* ignore parse errors for backward compatibility */
1757 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1758 if (tb
[NL80211_ATTR_WIPHY
])
1759 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1760 if (tb
[NL80211_ATTR_WDEV
])
1761 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1762 if (tb
[NL80211_ATTR_IFINDEX
]) {
1763 struct net_device
*netdev
;
1764 struct cfg80211_registered_device
*rdev
;
1765 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1767 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1770 if (netdev
->ieee80211_ptr
) {
1771 rdev
= wiphy_to_rdev(
1772 netdev
->ieee80211_ptr
->wiphy
);
1773 state
->filter_wiphy
= rdev
->wiphy_idx
;
1780 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1783 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1784 struct cfg80211_registered_device
*rdev
;
1788 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1793 state
->filter_wiphy
= -1;
1794 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1800 cb
->args
[0] = (long)state
;
1803 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1804 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1806 if (++idx
<= state
->start
)
1808 if (state
->filter_wiphy
!= -1 &&
1809 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1811 /* attempt to fit multiple wiphy data chunks into the skb */
1813 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1815 NETLINK_CB(cb
->skb
).portid
,
1817 NLM_F_MULTI
, state
);
1820 * If sending the wiphy data didn't fit (ENOBUFS
1821 * or EMSGSIZE returned), this SKB is still
1822 * empty (so it's not too big because another
1823 * wiphy dataset is already in the skb) and
1824 * we've not tried to adjust the dump allocation
1825 * yet ... then adjust the alloc size to be
1826 * bigger, and return 1 but with the empty skb.
1827 * This results in an empty message being RX'ed
1828 * in userspace, but that is ignored.
1830 * We can then retry with the larger buffer.
1832 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1833 !skb
->len
&& !state
->split
&&
1834 cb
->min_dump_alloc
< 4096) {
1835 cb
->min_dump_alloc
= 4096;
1836 state
->split_start
= 0;
1843 } while (state
->split_start
> 0);
1853 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1855 kfree((void *)cb
->args
[0]);
1859 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1861 struct sk_buff
*msg
;
1862 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1863 struct nl80211_dump_wiphy_state state
= {};
1865 msg
= nlmsg_new(4096, GFP_KERNEL
);
1869 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1870 info
->snd_portid
, info
->snd_seq
, 0,
1876 return genlmsg_reply(msg
, info
);
1879 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1880 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1881 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1882 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1883 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1884 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1887 static int parse_txq_params(struct nlattr
*tb
[],
1888 struct ieee80211_txq_params
*txq_params
)
1890 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1891 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1892 !tb
[NL80211_TXQ_ATTR_AIFS
])
1895 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1896 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1897 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1898 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1899 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1901 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1907 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1910 * You can only set the channel explicitly for WDS interfaces,
1911 * all others have their channel managed via their respective
1912 * "establish a connection" command (connect, join, ...)
1914 * For AP/GO and mesh mode, the channel can be set with the
1915 * channel userspace API, but is only stored and passed to the
1916 * low-level driver when the AP starts or the mesh is joined.
1917 * This is for backward compatibility, userspace can also give
1918 * the channel in the start-ap or join-mesh commands instead.
1920 * Monitors are special as they are normally slaved to
1921 * whatever else is going on, so they have their own special
1922 * operation to set the monitor channel if possible.
1925 wdev
->iftype
== NL80211_IFTYPE_AP
||
1926 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1927 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1928 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1931 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1932 struct genl_info
*info
,
1933 struct cfg80211_chan_def
*chandef
)
1937 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1940 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1942 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1943 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1944 chandef
->center_freq1
= control_freq
;
1945 chandef
->center_freq2
= 0;
1947 /* Primary channel not allowed */
1948 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1951 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1952 enum nl80211_channel_type chantype
;
1954 chantype
= nla_get_u32(
1955 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1958 case NL80211_CHAN_NO_HT
:
1959 case NL80211_CHAN_HT20
:
1960 case NL80211_CHAN_HT40PLUS
:
1961 case NL80211_CHAN_HT40MINUS
:
1962 cfg80211_chandef_create(chandef
, chandef
->chan
,
1968 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1970 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1971 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1972 chandef
->center_freq1
=
1974 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1975 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1976 chandef
->center_freq2
=
1978 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1981 if (!cfg80211_chandef_valid(chandef
))
1984 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1985 IEEE80211_CHAN_DISABLED
))
1988 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1989 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1990 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1996 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1997 struct net_device
*dev
,
1998 struct genl_info
*info
)
2000 struct cfg80211_chan_def chandef
;
2002 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
2003 struct wireless_dev
*wdev
= NULL
;
2006 wdev
= dev
->ieee80211_ptr
;
2007 if (!nl80211_can_set_dev_channel(wdev
))
2010 iftype
= wdev
->iftype
;
2012 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2017 case NL80211_IFTYPE_AP
:
2018 case NL80211_IFTYPE_P2P_GO
:
2019 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2024 if (wdev
->beacon_interval
) {
2025 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2026 !(rdev
->wiphy
.features
&
2027 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2032 /* Only allow dynamic channel width changes */
2033 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2037 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2041 wdev
->preset_chandef
= chandef
;
2044 case NL80211_IFTYPE_MESH_POINT
:
2045 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2047 case NL80211_IFTYPE_MONITOR
:
2048 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2057 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2059 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2060 struct net_device
*netdev
= info
->user_ptr
[1];
2062 return __nl80211_set_channel(rdev
, netdev
, info
);
2065 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2067 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2068 struct net_device
*dev
= info
->user_ptr
[1];
2069 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2072 if (!info
->attrs
[NL80211_ATTR_MAC
])
2075 if (netif_running(dev
))
2078 if (!rdev
->ops
->set_wds_peer
)
2081 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2084 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2085 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2089 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2091 struct cfg80211_registered_device
*rdev
;
2092 struct net_device
*netdev
= NULL
;
2093 struct wireless_dev
*wdev
;
2094 int result
= 0, rem_txq_params
= 0;
2095 struct nlattr
*nl_txq_params
;
2097 u8 retry_short
= 0, retry_long
= 0;
2098 u32 frag_threshold
= 0, rts_threshold
= 0;
2099 u8 coverage_class
= 0;
2104 * Try to find the wiphy and netdev. Normally this
2105 * function shouldn't need the netdev, but this is
2106 * done for backward compatibility -- previously
2107 * setting the channel was done per wiphy, but now
2108 * it is per netdev. Previous userland like hostapd
2109 * also passed a netdev to set_wiphy, so that it is
2110 * possible to let that go to the right netdev!
2113 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2114 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2116 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2117 if (netdev
&& netdev
->ieee80211_ptr
)
2118 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2124 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2127 return PTR_ERR(rdev
);
2132 wdev
= netdev
->ieee80211_ptr
;
2135 * end workaround code, by now the rdev is available
2136 * and locked, and wdev may or may not be NULL.
2139 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2140 result
= cfg80211_dev_rename(
2141 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2146 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2147 struct ieee80211_txq_params txq_params
;
2148 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2150 if (!rdev
->ops
->set_txq_params
)
2156 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2157 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2160 if (!netif_running(netdev
))
2163 nla_for_each_nested(nl_txq_params
,
2164 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2166 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2167 nla_data(nl_txq_params
),
2168 nla_len(nl_txq_params
),
2172 result
= parse_txq_params(tb
, &txq_params
);
2176 result
= rdev_set_txq_params(rdev
, netdev
,
2183 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2184 result
= __nl80211_set_channel(
2186 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2192 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2193 struct wireless_dev
*txp_wdev
= wdev
;
2194 enum nl80211_tx_power_setting type
;
2197 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2200 if (!rdev
->ops
->set_tx_power
)
2203 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2204 type
= nla_get_u32(info
->attrs
[idx
]);
2206 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2207 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2210 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2211 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2212 mbm
= nla_get_u32(info
->attrs
[idx
]);
2215 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2220 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2221 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2223 if ((!rdev
->wiphy
.available_antennas_tx
&&
2224 !rdev
->wiphy
.available_antennas_rx
) ||
2225 !rdev
->ops
->set_antenna
)
2228 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2229 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2231 /* reject antenna configurations which don't match the
2232 * available antenna masks, except for the "all" mask */
2233 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2234 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2237 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2238 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2240 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2247 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2248 retry_short
= nla_get_u8(
2249 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2250 if (retry_short
== 0)
2253 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2256 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2257 retry_long
= nla_get_u8(
2258 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2259 if (retry_long
== 0)
2262 changed
|= WIPHY_PARAM_RETRY_LONG
;
2265 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2266 frag_threshold
= nla_get_u32(
2267 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2268 if (frag_threshold
< 256)
2271 if (frag_threshold
!= (u32
) -1) {
2273 * Fragments (apart from the last one) are required to
2274 * have even length. Make the fragmentation code
2275 * simpler by stripping LSB should someone try to use
2276 * odd threshold value.
2278 frag_threshold
&= ~0x1;
2280 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2283 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2284 rts_threshold
= nla_get_u32(
2285 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2286 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2289 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2290 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2293 coverage_class
= nla_get_u8(
2294 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2295 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2298 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2299 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2302 changed
|= WIPHY_PARAM_DYN_ACK
;
2306 u8 old_retry_short
, old_retry_long
;
2307 u32 old_frag_threshold
, old_rts_threshold
;
2308 u8 old_coverage_class
;
2310 if (!rdev
->ops
->set_wiphy_params
)
2313 old_retry_short
= rdev
->wiphy
.retry_short
;
2314 old_retry_long
= rdev
->wiphy
.retry_long
;
2315 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2316 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2317 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2319 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2320 rdev
->wiphy
.retry_short
= retry_short
;
2321 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2322 rdev
->wiphy
.retry_long
= retry_long
;
2323 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2324 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2325 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2326 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2327 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2328 rdev
->wiphy
.coverage_class
= coverage_class
;
2330 result
= rdev_set_wiphy_params(rdev
, changed
);
2332 rdev
->wiphy
.retry_short
= old_retry_short
;
2333 rdev
->wiphy
.retry_long
= old_retry_long
;
2334 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2335 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2336 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2343 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2345 return (u64
)wdev
->identifier
|
2346 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2349 static int nl80211_send_chandef(struct sk_buff
*msg
,
2350 const struct cfg80211_chan_def
*chandef
)
2352 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2355 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2356 chandef
->chan
->center_freq
))
2358 switch (chandef
->width
) {
2359 case NL80211_CHAN_WIDTH_20_NOHT
:
2360 case NL80211_CHAN_WIDTH_20
:
2361 case NL80211_CHAN_WIDTH_40
:
2362 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2363 cfg80211_get_chandef_type(chandef
)))
2369 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2371 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2373 if (chandef
->center_freq2
&&
2374 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2379 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2380 struct cfg80211_registered_device
*rdev
,
2381 struct wireless_dev
*wdev
, bool removal
)
2383 struct net_device
*dev
= wdev
->netdev
;
2384 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2388 cmd
= NL80211_CMD_DEL_INTERFACE
;
2390 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2395 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2396 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2397 goto nla_put_failure
;
2399 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2400 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2401 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2402 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2403 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2404 rdev
->devlist_generation
^
2405 (cfg80211_rdev_list_generation
<< 2)))
2406 goto nla_put_failure
;
2408 if (rdev
->ops
->get_channel
) {
2410 struct cfg80211_chan_def chandef
;
2412 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2414 if (nl80211_send_chandef(msg
, &chandef
))
2415 goto nla_put_failure
;
2419 if (rdev
->ops
->get_tx_power
) {
2422 ret
= rdev_get_tx_power(rdev
, wdev
, &dbm
);
2424 nla_put_u32(msg
, NL80211_ATTR_WIPHY_TX_POWER_LEVEL
,
2426 goto nla_put_failure
;
2429 if (wdev
->ssid_len
) {
2430 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2431 goto nla_put_failure
;
2434 genlmsg_end(msg
, hdr
);
2438 genlmsg_cancel(msg
, hdr
);
2442 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2446 int wp_start
= cb
->args
[0];
2447 int if_start
= cb
->args
[1];
2448 struct cfg80211_registered_device
*rdev
;
2449 struct wireless_dev
*wdev
;
2452 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2453 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2455 if (wp_idx
< wp_start
) {
2461 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2462 if (if_idx
< if_start
) {
2466 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2467 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2468 rdev
, wdev
, false) < 0) {
2479 cb
->args
[0] = wp_idx
;
2480 cb
->args
[1] = if_idx
;
2485 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2487 struct sk_buff
*msg
;
2488 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2489 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2491 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2495 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2496 rdev
, wdev
, false) < 0) {
2501 return genlmsg_reply(msg
, info
);
2504 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2505 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2506 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2507 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2508 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2509 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2510 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2513 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2515 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2523 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2524 nla
, mntr_flags_policy
))
2527 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2529 *mntrflags
|= (1<<flag
);
2534 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2535 struct net_device
*netdev
, u8 use_4addr
,
2536 enum nl80211_iftype iftype
)
2539 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2545 case NL80211_IFTYPE_AP_VLAN
:
2546 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2549 case NL80211_IFTYPE_STATION
:
2550 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2560 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2562 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2563 struct vif_params params
;
2565 enum nl80211_iftype otype
, ntype
;
2566 struct net_device
*dev
= info
->user_ptr
[1];
2567 u32 _flags
, *flags
= NULL
;
2568 bool change
= false;
2570 memset(¶ms
, 0, sizeof(params
));
2572 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2574 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2575 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2578 if (ntype
> NL80211_IFTYPE_MAX
)
2582 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2583 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2585 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2587 if (netif_running(dev
))
2591 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2592 IEEE80211_MAX_MESH_ID_LEN
);
2593 wdev
->mesh_id_up_len
=
2594 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2595 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2596 wdev
->mesh_id_up_len
);
2600 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2601 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2603 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2607 params
.use_4addr
= -1;
2610 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2611 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2613 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2622 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2623 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2627 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2631 if (!err
&& params
.use_4addr
!= -1)
2632 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2637 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2639 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2640 struct vif_params params
;
2641 struct wireless_dev
*wdev
;
2642 struct sk_buff
*msg
, *event
;
2644 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2647 /* to avoid failing a new interface creation due to pending removal */
2648 cfg80211_destroy_ifaces(rdev
);
2650 memset(¶ms
, 0, sizeof(params
));
2652 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2655 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2656 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2657 if (type
> NL80211_IFTYPE_MAX
)
2661 if (!rdev
->ops
->add_virtual_intf
||
2662 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2665 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2666 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2667 info
->attrs
[NL80211_ATTR_MAC
]) {
2668 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2670 if (!is_valid_ether_addr(params
.macaddr
))
2671 return -EADDRNOTAVAIL
;
2674 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2675 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2676 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2681 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2682 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2685 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2686 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2689 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2693 wdev
= rdev_add_virtual_intf(rdev
,
2694 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2695 NET_NAME_USER
, type
, err
? NULL
: &flags
,
2697 if (WARN_ON(!wdev
)) {
2700 } else if (IS_ERR(wdev
)) {
2702 return PTR_ERR(wdev
);
2705 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2706 wdev
->owner_nlportid
= info
->snd_portid
;
2709 case NL80211_IFTYPE_MESH_POINT
:
2710 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2713 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2714 IEEE80211_MAX_MESH_ID_LEN
);
2715 wdev
->mesh_id_up_len
=
2716 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2717 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2718 wdev
->mesh_id_up_len
);
2721 case NL80211_IFTYPE_P2P_DEVICE
:
2723 * P2P Device doesn't have a netdev, so doesn't go
2724 * through the netdev notifier and must be added here
2726 mutex_init(&wdev
->mtx
);
2727 INIT_LIST_HEAD(&wdev
->event_list
);
2728 spin_lock_init(&wdev
->event_lock
);
2729 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2730 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2732 wdev
->identifier
= ++rdev
->wdev_id
;
2733 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2734 rdev
->devlist_generation
++;
2740 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2741 rdev
, wdev
, false) < 0) {
2746 event
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2748 if (nl80211_send_iface(event
, 0, 0, 0,
2749 rdev
, wdev
, false) < 0) {
2754 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2755 event
, 0, NL80211_MCGRP_CONFIG
,
2760 return genlmsg_reply(msg
, info
);
2763 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2765 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2766 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2767 struct sk_buff
*msg
;
2770 if (!rdev
->ops
->del_virtual_intf
)
2773 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2774 if (msg
&& nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, true) < 0) {
2780 * If we remove a wireless device without a netdev then clear
2781 * user_ptr[1] so that nl80211_post_doit won't dereference it
2782 * to check if it needs to do dev_put(). Otherwise it crashes
2783 * since the wdev has been freed, unlike with a netdev where
2784 * we need the dev_put() for the netdev to really be freed.
2787 info
->user_ptr
[1] = NULL
;
2789 status
= rdev_del_virtual_intf(rdev
, wdev
);
2790 if (status
>= 0 && msg
)
2791 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2792 msg
, 0, NL80211_MCGRP_CONFIG
,
2800 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2802 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2803 struct net_device
*dev
= info
->user_ptr
[1];
2806 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2809 if (!rdev
->ops
->set_noack_map
)
2812 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2814 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2817 struct get_key_cookie
{
2818 struct sk_buff
*msg
;
2823 static void get_key_callback(void *c
, struct key_params
*params
)
2826 struct get_key_cookie
*cookie
= c
;
2829 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2830 params
->key_len
, params
->key
)) ||
2832 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2833 params
->seq_len
, params
->seq
)) ||
2835 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2837 goto nla_put_failure
;
2839 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2841 goto nla_put_failure
;
2844 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2845 params
->key_len
, params
->key
)) ||
2847 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2848 params
->seq_len
, params
->seq
)) ||
2850 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2852 goto nla_put_failure
;
2854 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2855 goto nla_put_failure
;
2857 nla_nest_end(cookie
->msg
, key
);
2864 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2866 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2868 struct net_device
*dev
= info
->user_ptr
[1];
2870 const u8
*mac_addr
= NULL
;
2872 struct get_key_cookie cookie
= {
2876 struct sk_buff
*msg
;
2878 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2879 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2884 if (info
->attrs
[NL80211_ATTR_MAC
])
2885 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2887 pairwise
= !!mac_addr
;
2888 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2889 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2890 if (kt
>= NUM_NL80211_KEYTYPES
)
2892 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2893 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2895 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2898 if (!rdev
->ops
->get_key
)
2901 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2904 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2908 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2909 NL80211_CMD_NEW_KEY
);
2911 goto nla_put_failure
;
2914 cookie
.idx
= key_idx
;
2916 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2917 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2918 goto nla_put_failure
;
2920 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2921 goto nla_put_failure
;
2923 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2930 goto nla_put_failure
;
2932 genlmsg_end(msg
, hdr
);
2933 return genlmsg_reply(msg
, info
);
2942 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2944 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2945 struct key_parse key
;
2947 struct net_device
*dev
= info
->user_ptr
[1];
2949 err
= nl80211_parse_key(info
, &key
);
2956 /* only support setting default key */
2957 if (!key
.def
&& !key
.defmgmt
)
2960 wdev_lock(dev
->ieee80211_ptr
);
2963 if (!rdev
->ops
->set_default_key
) {
2968 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2972 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2973 key
.def_uni
, key
.def_multi
);
2978 #ifdef CONFIG_CFG80211_WEXT
2979 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2982 if (key
.def_uni
|| !key
.def_multi
) {
2987 if (!rdev
->ops
->set_default_mgmt_key
) {
2992 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2996 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
3000 #ifdef CONFIG_CFG80211_WEXT
3001 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
3006 wdev_unlock(dev
->ieee80211_ptr
);
3011 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
3013 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3015 struct net_device
*dev
= info
->user_ptr
[1];
3016 struct key_parse key
;
3017 const u8
*mac_addr
= NULL
;
3019 err
= nl80211_parse_key(info
, &key
);
3026 if (info
->attrs
[NL80211_ATTR_MAC
])
3027 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3029 if (key
.type
== -1) {
3031 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3033 key
.type
= NL80211_KEYTYPE_GROUP
;
3037 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3038 key
.type
!= NL80211_KEYTYPE_GROUP
)
3041 if (!rdev
->ops
->add_key
)
3044 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3045 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3049 wdev_lock(dev
->ieee80211_ptr
);
3050 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3052 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3053 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3055 wdev_unlock(dev
->ieee80211_ptr
);
3060 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3062 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3064 struct net_device
*dev
= info
->user_ptr
[1];
3065 u8
*mac_addr
= NULL
;
3066 struct key_parse key
;
3068 err
= nl80211_parse_key(info
, &key
);
3072 if (info
->attrs
[NL80211_ATTR_MAC
])
3073 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3075 if (key
.type
== -1) {
3077 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3079 key
.type
= NL80211_KEYTYPE_GROUP
;
3083 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3084 key
.type
!= NL80211_KEYTYPE_GROUP
)
3087 if (!rdev
->ops
->del_key
)
3090 wdev_lock(dev
->ieee80211_ptr
);
3091 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3093 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3094 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3098 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3099 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3102 #ifdef CONFIG_CFG80211_WEXT
3104 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3105 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3106 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3107 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3110 wdev_unlock(dev
->ieee80211_ptr
);
3115 /* This function returns an error or the number of nested attributes */
3116 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3118 struct nlattr
*attr
;
3119 int n_entries
= 0, tmp
;
3121 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3122 if (nla_len(attr
) != ETH_ALEN
)
3132 * This function parses ACL information and allocates memory for ACL data.
3133 * On successful return, the calling function is responsible to free the
3134 * ACL buffer returned by this function.
3136 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3137 struct genl_info
*info
)
3139 enum nl80211_acl_policy acl_policy
;
3140 struct nlattr
*attr
;
3141 struct cfg80211_acl_data
*acl
;
3142 int i
= 0, n_entries
, tmp
;
3144 if (!wiphy
->max_acl_mac_addrs
)
3145 return ERR_PTR(-EOPNOTSUPP
);
3147 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3148 return ERR_PTR(-EINVAL
);
3150 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3151 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3152 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3153 return ERR_PTR(-EINVAL
);
3155 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3156 return ERR_PTR(-EINVAL
);
3158 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3160 return ERR_PTR(n_entries
);
3162 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3163 return ERR_PTR(-ENOTSUPP
);
3165 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3168 return ERR_PTR(-ENOMEM
);
3170 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3171 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3175 acl
->n_acl_entries
= n_entries
;
3176 acl
->acl_policy
= acl_policy
;
3181 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3183 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3184 struct net_device
*dev
= info
->user_ptr
[1];
3185 struct cfg80211_acl_data
*acl
;
3188 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3189 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3192 if (!dev
->ieee80211_ptr
->beacon_interval
)
3195 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3197 return PTR_ERR(acl
);
3199 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3206 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3207 struct cfg80211_beacon_data
*bcn
)
3209 bool haveinfo
= false;
3211 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3212 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3213 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3214 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3217 memset(bcn
, 0, sizeof(*bcn
));
3219 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3220 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3221 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3227 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3228 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3229 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3236 if (attrs
[NL80211_ATTR_IE
]) {
3237 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3238 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3241 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3242 bcn
->proberesp_ies
=
3243 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3244 bcn
->proberesp_ies_len
=
3245 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3248 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3249 bcn
->assocresp_ies
=
3250 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3251 bcn
->assocresp_ies_len
=
3252 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3255 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3256 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3257 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3263 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3264 struct cfg80211_ap_settings
*params
)
3266 struct wireless_dev
*wdev
;
3269 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3270 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3271 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3274 if (!wdev
->preset_chandef
.chan
)
3277 params
->chandef
= wdev
->preset_chandef
;
3285 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3286 enum nl80211_auth_type auth_type
,
3287 enum nl80211_commands cmd
)
3289 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3293 case NL80211_CMD_AUTHENTICATE
:
3294 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3295 auth_type
== NL80211_AUTHTYPE_SAE
)
3298 case NL80211_CMD_CONNECT
:
3299 case NL80211_CMD_START_AP
:
3300 /* SAE not supported yet */
3301 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3309 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3311 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3312 struct net_device
*dev
= info
->user_ptr
[1];
3313 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3314 struct cfg80211_ap_settings params
;
3317 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3318 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3321 if (!rdev
->ops
->start_ap
)
3324 if (wdev
->beacon_interval
)
3327 memset(¶ms
, 0, sizeof(params
));
3329 /* these are required for START_AP */
3330 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3331 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3332 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3335 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3339 params
.beacon_interval
=
3340 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3341 params
.dtim_period
=
3342 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3344 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3349 * In theory, some of these attributes should be required here
3350 * but since they were not used when the command was originally
3351 * added, keep them optional for old user space programs to let
3352 * them continue to work with drivers that do not need the
3353 * additional information -- drivers must check!
3355 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3356 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3358 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3359 if (params
.ssid_len
== 0 ||
3360 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3364 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3365 params
.hidden_ssid
= nla_get_u32(
3366 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3367 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3368 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3369 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3373 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3375 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3376 params
.auth_type
= nla_get_u32(
3377 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3378 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3379 NL80211_CMD_START_AP
))
3382 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3384 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3385 NL80211_MAX_NR_CIPHER_SUITES
);
3389 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3390 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3392 params
.inactivity_timeout
= nla_get_u16(
3393 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3396 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3397 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3399 params
.p2p_ctwindow
=
3400 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3401 if (params
.p2p_ctwindow
> 127)
3403 if (params
.p2p_ctwindow
!= 0 &&
3404 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3408 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3411 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3413 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3416 params
.p2p_opp_ps
= tmp
;
3417 if (params
.p2p_opp_ps
!= 0 &&
3418 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3422 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3423 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3426 } else if (wdev
->preset_chandef
.chan
) {
3427 params
.chandef
= wdev
->preset_chandef
;
3428 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3431 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
3435 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3437 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3438 switch (params
.smps_mode
) {
3439 case NL80211_SMPS_OFF
:
3441 case NL80211_SMPS_STATIC
:
3442 if (!(rdev
->wiphy
.features
&
3443 NL80211_FEATURE_STATIC_SMPS
))
3446 case NL80211_SMPS_DYNAMIC
:
3447 if (!(rdev
->wiphy
.features
&
3448 NL80211_FEATURE_DYNAMIC_SMPS
))
3455 params
.smps_mode
= NL80211_SMPS_OFF
;
3458 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3459 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3460 if (IS_ERR(params
.acl
))
3461 return PTR_ERR(params
.acl
);
3465 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3467 wdev
->preset_chandef
= params
.chandef
;
3468 wdev
->beacon_interval
= params
.beacon_interval
;
3469 wdev
->chandef
= params
.chandef
;
3470 wdev
->ssid_len
= params
.ssid_len
;
3471 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3480 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3482 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3483 struct net_device
*dev
= info
->user_ptr
[1];
3484 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3485 struct cfg80211_beacon_data params
;
3488 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3489 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3492 if (!rdev
->ops
->change_beacon
)
3495 if (!wdev
->beacon_interval
)
3498 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3503 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3509 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3511 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3512 struct net_device
*dev
= info
->user_ptr
[1];
3514 return cfg80211_stop_ap(rdev
, dev
, false);
3517 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3518 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3519 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3520 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3521 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3522 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3523 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3526 static int parse_station_flags(struct genl_info
*info
,
3527 enum nl80211_iftype iftype
,
3528 struct station_parameters
*params
)
3530 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3535 * Try parsing the new attribute first so userspace
3536 * can specify both for older kernels.
3538 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3540 struct nl80211_sta_flag_update
*sta_flags
;
3542 sta_flags
= nla_data(nla
);
3543 params
->sta_flags_mask
= sta_flags
->mask
;
3544 params
->sta_flags_set
= sta_flags
->set
;
3545 params
->sta_flags_set
&= params
->sta_flags_mask
;
3546 if ((params
->sta_flags_mask
|
3547 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3552 /* if present, parse the old attribute */
3554 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3558 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3559 nla
, sta_flags_policy
))
3563 * Only allow certain flags for interface types so that
3564 * other attributes are silently ignored. Remember that
3565 * this is backward compatibility code with old userspace
3566 * and shouldn't be hit in other cases anyway.
3569 case NL80211_IFTYPE_AP
:
3570 case NL80211_IFTYPE_AP_VLAN
:
3571 case NL80211_IFTYPE_P2P_GO
:
3572 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3573 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3574 BIT(NL80211_STA_FLAG_WME
) |
3575 BIT(NL80211_STA_FLAG_MFP
);
3577 case NL80211_IFTYPE_P2P_CLIENT
:
3578 case NL80211_IFTYPE_STATION
:
3579 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3580 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3582 case NL80211_IFTYPE_MESH_POINT
:
3583 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3584 BIT(NL80211_STA_FLAG_MFP
) |
3585 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3590 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3592 params
->sta_flags_set
|= (1<<flag
);
3594 /* no longer support new API additions in old API */
3595 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3603 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3606 struct nlattr
*rate
;
3609 enum nl80211_attrs rate_flg
;
3611 rate
= nla_nest_start(msg
, attr
);
3615 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3616 bitrate
= cfg80211_calculate_bitrate(info
);
3617 /* report 16-bit bitrate only if we can */
3618 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3620 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3622 if (bitrate_compat
> 0 &&
3623 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3627 case RATE_INFO_BW_5
:
3628 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
3630 case RATE_INFO_BW_10
:
3631 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
3636 case RATE_INFO_BW_20
:
3639 case RATE_INFO_BW_40
:
3640 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
3642 case RATE_INFO_BW_80
:
3643 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
3645 case RATE_INFO_BW_160
:
3646 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
3650 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
3653 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3654 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3656 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3657 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3659 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3660 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3662 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3664 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3665 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3669 nla_nest_end(msg
, rate
);
3673 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3682 attr
= nla_nest_start(msg
, id
);
3686 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3687 if (!(mask
& BIT(i
)))
3690 if (nla_put_u8(msg
, i
, signal
[i
]))
3694 nla_nest_end(msg
, attr
);
3699 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
3701 struct cfg80211_registered_device
*rdev
,
3702 struct net_device
*dev
,
3703 const u8
*mac_addr
, struct station_info
*sinfo
)
3706 struct nlattr
*sinfoattr
, *bss_param
;
3708 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
3712 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3713 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3714 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3715 goto nla_put_failure
;
3717 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3719 goto nla_put_failure
;
3721 #define PUT_SINFO(attr, memb, type) do { \
3722 if (sinfo->filled & BIT(NL80211_STA_INFO_ ## attr) && \
3723 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
3725 goto nla_put_failure; \
3728 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
3729 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
3731 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
3732 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
3733 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3734 (u32
)sinfo
->rx_bytes
))
3735 goto nla_put_failure
;
3737 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
3738 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
3739 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3740 (u32
)sinfo
->tx_bytes
))
3741 goto nla_put_failure
;
3743 PUT_SINFO(RX_BYTES64
, rx_bytes
, u64
);
3744 PUT_SINFO(TX_BYTES64
, tx_bytes
, u64
);
3745 PUT_SINFO(LLID
, llid
, u16
);
3746 PUT_SINFO(PLID
, plid
, u16
);
3747 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
3749 switch (rdev
->wiphy
.signal_type
) {
3750 case CFG80211_SIGNAL_TYPE_MBM
:
3751 PUT_SINFO(SIGNAL
, signal
, u8
);
3752 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
3757 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
3758 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3759 sinfo
->chain_signal
,
3760 NL80211_STA_INFO_CHAIN_SIGNAL
))
3761 goto nla_put_failure
;
3763 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
3764 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3765 sinfo
->chain_signal_avg
,
3766 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3767 goto nla_put_failure
;
3769 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
3770 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3771 NL80211_STA_INFO_TX_BITRATE
))
3772 goto nla_put_failure
;
3774 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
3775 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3776 NL80211_STA_INFO_RX_BITRATE
))
3777 goto nla_put_failure
;
3780 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
3781 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
3782 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
3783 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
3784 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
3785 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
3786 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
3787 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
3788 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
3790 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
3791 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3793 goto nla_put_failure
;
3795 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3796 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3797 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3798 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3799 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3800 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3801 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3802 sinfo
->bss_param
.dtim_period
) ||
3803 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3804 sinfo
->bss_param
.beacon_interval
))
3805 goto nla_put_failure
;
3807 nla_nest_end(msg
, bss_param
);
3809 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
3810 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3811 sizeof(struct nl80211_sta_flag_update
),
3813 goto nla_put_failure
;
3815 PUT_SINFO(T_OFFSET
, t_offset
, u64
);
3816 PUT_SINFO(RX_DROP_MISC
, rx_dropped_misc
, u64
);
3817 PUT_SINFO(BEACON_RX
, rx_beacon
, u64
);
3818 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
3822 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
3823 struct nlattr
*tidsattr
;
3826 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
3828 goto nla_put_failure
;
3830 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
3831 struct cfg80211_tid_stats
*tidstats
;
3832 struct nlattr
*tidattr
;
3834 tidstats
= &sinfo
->pertid
[tid
];
3836 if (!tidstats
->filled
)
3839 tidattr
= nla_nest_start(msg
, tid
+ 1);
3841 goto nla_put_failure
;
3843 #define PUT_TIDVAL(attr, memb, type) do { \
3844 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
3845 nla_put_ ## type(msg, NL80211_TID_STATS_ ## attr, \
3847 goto nla_put_failure; \
3850 PUT_TIDVAL(RX_MSDU
, rx_msdu
, u64
);
3851 PUT_TIDVAL(TX_MSDU
, tx_msdu
, u64
);
3852 PUT_TIDVAL(TX_MSDU_RETRIES
, tx_msdu_retries
, u64
);
3853 PUT_TIDVAL(TX_MSDU_FAILED
, tx_msdu_failed
, u64
);
3856 nla_nest_end(msg
, tidattr
);
3859 nla_nest_end(msg
, tidsattr
);
3862 nla_nest_end(msg
, sinfoattr
);
3864 if (sinfo
->assoc_req_ies_len
&&
3865 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3866 sinfo
->assoc_req_ies
))
3867 goto nla_put_failure
;
3869 genlmsg_end(msg
, hdr
);
3873 genlmsg_cancel(msg
, hdr
);
3877 static int nl80211_dump_station(struct sk_buff
*skb
,
3878 struct netlink_callback
*cb
)
3880 struct station_info sinfo
;
3881 struct cfg80211_registered_device
*rdev
;
3882 struct wireless_dev
*wdev
;
3883 u8 mac_addr
[ETH_ALEN
];
3884 int sta_idx
= cb
->args
[2];
3887 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3891 if (!wdev
->netdev
) {
3896 if (!rdev
->ops
->dump_station
) {
3902 memset(&sinfo
, 0, sizeof(sinfo
));
3903 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3910 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
3911 NETLINK_CB(cb
->skb
).portid
,
3912 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3913 rdev
, wdev
->netdev
, mac_addr
,
3922 cb
->args
[2] = sta_idx
;
3925 nl80211_finish_wdev_dump(rdev
);
3930 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3932 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3933 struct net_device
*dev
= info
->user_ptr
[1];
3934 struct station_info sinfo
;
3935 struct sk_buff
*msg
;
3936 u8
*mac_addr
= NULL
;
3939 memset(&sinfo
, 0, sizeof(sinfo
));
3941 if (!info
->attrs
[NL80211_ATTR_MAC
])
3944 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3946 if (!rdev
->ops
->get_station
)
3949 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3953 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3957 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
3958 info
->snd_portid
, info
->snd_seq
, 0,
3959 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3964 return genlmsg_reply(msg
, info
);
3967 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3968 struct station_parameters
*params
,
3969 enum cfg80211_station_type statype
)
3971 if (params
->listen_interval
!= -1 &&
3972 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
3976 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) &&
3977 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
)
3980 /* When you run into this, adjust the code below for the new flag */
3981 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3984 case CFG80211_STA_MESH_PEER_KERNEL
:
3985 case CFG80211_STA_MESH_PEER_USER
:
3987 * No ignoring the TDLS flag here -- the userspace mesh
3988 * code doesn't have the bug of including TDLS in the
3991 if (params
->sta_flags_mask
&
3992 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3993 BIT(NL80211_STA_FLAG_MFP
) |
3994 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3997 case CFG80211_STA_TDLS_PEER_SETUP
:
3998 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3999 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4001 /* ignore since it can't change */
4002 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4005 /* disallow mesh-specific things */
4006 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4008 if (params
->local_pm
)
4010 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4014 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4015 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
4016 /* TDLS can't be set, ... */
4017 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
4020 * ... but don't bother the driver with it. This works around
4021 * a hostapd/wpa_supplicant issue -- it always includes the
4022 * TLDS_PEER flag in the mask even for AP mode.
4024 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4027 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
4028 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4029 /* reject other things that can't change */
4030 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4032 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4034 if (params
->supported_rates
)
4036 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4040 if (statype
!= CFG80211_STA_AP_CLIENT
&&
4041 statype
!= CFG80211_STA_AP_CLIENT_UNASSOC
) {
4047 case CFG80211_STA_AP_MLME_CLIENT
:
4048 /* Use this only for authorizing/unauthorizing a station */
4049 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4052 case CFG80211_STA_AP_CLIENT
:
4053 case CFG80211_STA_AP_CLIENT_UNASSOC
:
4054 /* accept only the listed bits */
4055 if (params
->sta_flags_mask
&
4056 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4057 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4058 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4059 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4060 BIT(NL80211_STA_FLAG_WME
) |
4061 BIT(NL80211_STA_FLAG_MFP
)))
4064 /* but authenticated/associated only if driver handles it */
4065 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4066 params
->sta_flags_mask
&
4067 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4068 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4071 case CFG80211_STA_IBSS
:
4072 case CFG80211_STA_AP_STA
:
4073 /* reject any changes other than AUTHORIZED */
4074 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4077 case CFG80211_STA_TDLS_PEER_SETUP
:
4078 /* reject any changes other than AUTHORIZED or WME */
4079 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4080 BIT(NL80211_STA_FLAG_WME
)))
4082 /* force (at least) rates when authorizing */
4083 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4084 !params
->supported_rates
)
4087 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4088 /* reject any changes */
4090 case CFG80211_STA_MESH_PEER_KERNEL
:
4091 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4094 case CFG80211_STA_MESH_PEER_USER
:
4095 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4096 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4103 EXPORT_SYMBOL(cfg80211_check_station_change
);
4106 * Get vlan interface making sure it is running and on the right wiphy.
4108 static struct net_device
*get_vlan(struct genl_info
*info
,
4109 struct cfg80211_registered_device
*rdev
)
4111 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4112 struct net_device
*v
;
4118 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4120 return ERR_PTR(-ENODEV
);
4122 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4127 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4128 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4129 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4134 if (!netif_running(v
)) {
4142 return ERR_PTR(ret
);
4145 static const struct nla_policy
4146 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4147 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4148 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4151 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4152 struct station_parameters
*params
)
4154 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4158 /* parse WME attributes if present */
4159 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4162 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4163 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4164 nl80211_sta_wme_policy
);
4168 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4169 params
->uapsd_queues
= nla_get_u8(
4170 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4171 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4174 if (tb
[NL80211_STA_WME_MAX_SP
])
4175 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4177 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4180 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4185 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4186 struct station_parameters
*params
)
4188 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4189 params
->supported_channels
=
4190 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4191 params
->supported_channels_len
=
4192 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4194 * Need to include at least one (first channel, number of
4195 * channels) tuple for each subband, and must have proper
4196 * tuples for the rest of the data as well.
4198 if (params
->supported_channels_len
< 2)
4200 if (params
->supported_channels_len
% 2)
4204 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4205 params
->supported_oper_classes
=
4206 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4207 params
->supported_oper_classes_len
=
4208 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4210 * The value of the Length field of the Supported Operating
4211 * Classes element is between 2 and 253.
4213 if (params
->supported_oper_classes_len
< 2 ||
4214 params
->supported_oper_classes_len
> 253)
4220 static int nl80211_set_station_tdls(struct genl_info
*info
,
4221 struct station_parameters
*params
)
4224 /* Dummy STA entry gets updated once the peer capabilities are known */
4225 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4226 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4227 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4229 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4230 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4232 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4234 err
= nl80211_parse_sta_channel_info(info
, params
);
4238 return nl80211_parse_sta_wme(info
, params
);
4241 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4243 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4244 struct net_device
*dev
= info
->user_ptr
[1];
4245 struct station_parameters params
;
4249 memset(¶ms
, 0, sizeof(params
));
4251 if (!rdev
->ops
->change_station
)
4255 * AID and listen_interval properties can be set only for unassociated
4256 * station. Include these parameters here and will check them in
4257 * cfg80211_check_station_change().
4259 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4260 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4262 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4263 params
.listen_interval
=
4264 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4266 params
.listen_interval
= -1;
4268 if (!info
->attrs
[NL80211_ATTR_MAC
])
4271 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4273 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4274 params
.supported_rates
=
4275 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4276 params
.supported_rates_len
=
4277 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4280 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4282 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4283 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4286 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4288 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4289 params
.ext_capab_len
=
4290 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4293 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4296 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4297 params
.plink_action
=
4298 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4299 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4303 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4304 params
.plink_state
=
4305 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4306 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4308 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4311 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4312 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4313 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4315 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4316 pm
> NL80211_MESH_POWER_MAX
)
4319 params
.local_pm
= pm
;
4322 /* Include parameters for TDLS peer (will check later) */
4323 err
= nl80211_set_station_tdls(info
, ¶ms
);
4327 params
.vlan
= get_vlan(info
, rdev
);
4328 if (IS_ERR(params
.vlan
))
4329 return PTR_ERR(params
.vlan
);
4331 switch (dev
->ieee80211_ptr
->iftype
) {
4332 case NL80211_IFTYPE_AP
:
4333 case NL80211_IFTYPE_AP_VLAN
:
4334 case NL80211_IFTYPE_P2P_GO
:
4335 case NL80211_IFTYPE_P2P_CLIENT
:
4336 case NL80211_IFTYPE_STATION
:
4337 case NL80211_IFTYPE_ADHOC
:
4338 case NL80211_IFTYPE_MESH_POINT
:
4345 /* driver will call cfg80211_check_station_change() */
4346 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4350 dev_put(params
.vlan
);
4355 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4357 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4359 struct net_device
*dev
= info
->user_ptr
[1];
4360 struct station_parameters params
;
4361 u8
*mac_addr
= NULL
;
4362 u32 auth_assoc
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4363 BIT(NL80211_STA_FLAG_ASSOCIATED
);
4365 memset(¶ms
, 0, sizeof(params
));
4367 if (!rdev
->ops
->add_station
)
4370 if (!info
->attrs
[NL80211_ATTR_MAC
])
4373 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4376 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4379 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4380 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4383 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4384 params
.supported_rates
=
4385 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4386 params
.supported_rates_len
=
4387 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4388 params
.listen_interval
=
4389 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4391 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4392 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4394 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4395 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4398 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4400 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4401 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4404 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4406 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4407 params
.ext_capab_len
=
4408 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4411 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4413 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4415 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4417 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4419 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4420 params
.opmode_notif_used
= true;
4421 params
.opmode_notif
=
4422 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4425 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4426 params
.plink_action
=
4427 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4428 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4432 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4436 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4440 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4443 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
4444 * as userspace might just pass through the capabilities from the IEs
4445 * directly, rather than enforcing this restriction and returning an
4446 * error in this case.
4448 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
4449 params
.ht_capa
= NULL
;
4450 params
.vht_capa
= NULL
;
4453 /* When you run into this, adjust the code below for the new flag */
4454 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4456 switch (dev
->ieee80211_ptr
->iftype
) {
4457 case NL80211_IFTYPE_AP
:
4458 case NL80211_IFTYPE_AP_VLAN
:
4459 case NL80211_IFTYPE_P2P_GO
:
4460 /* ignore WME attributes if iface/sta is not capable */
4461 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4462 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4463 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4465 /* TDLS peers cannot be added */
4466 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4467 info
->attrs
[NL80211_ATTR_PEER_AID
])
4469 /* but don't bother the driver with it */
4470 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4472 /* allow authenticated/associated only if driver handles it */
4473 if (!(rdev
->wiphy
.features
&
4474 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4475 params
.sta_flags_mask
& auth_assoc
)
4478 /* Older userspace, or userspace wanting to be compatible with
4479 * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth
4480 * and assoc flags in the mask, but assumes the station will be
4481 * added as associated anyway since this was the required driver
4482 * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was
4484 * In order to not bother drivers with this quirk in the API
4485 * set the flags in both the mask and set for new stations in
4488 if (!(params
.sta_flags_mask
& auth_assoc
)) {
4489 params
.sta_flags_mask
|= auth_assoc
;
4490 params
.sta_flags_set
|= auth_assoc
;
4493 /* must be last in here for error handling */
4494 params
.vlan
= get_vlan(info
, rdev
);
4495 if (IS_ERR(params
.vlan
))
4496 return PTR_ERR(params
.vlan
);
4498 case NL80211_IFTYPE_MESH_POINT
:
4499 /* ignore uAPSD data */
4500 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4502 /* associated is disallowed */
4503 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4505 /* TDLS peers cannot be added */
4506 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4507 info
->attrs
[NL80211_ATTR_PEER_AID
])
4510 case NL80211_IFTYPE_STATION
:
4511 case NL80211_IFTYPE_P2P_CLIENT
:
4512 /* ignore uAPSD data */
4513 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4515 /* these are disallowed */
4516 if (params
.sta_flags_mask
&
4517 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4518 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4520 /* Only TDLS peers can be added */
4521 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4523 /* Can only add if TDLS ... */
4524 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4526 /* ... with external setup is supported */
4527 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4530 * Older wpa_supplicant versions always mark the TDLS peer
4531 * as authorized, but it shouldn't yet be.
4533 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4539 /* be aware of params.vlan when changing code here */
4541 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4544 dev_put(params
.vlan
);
4548 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4550 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4551 struct net_device
*dev
= info
->user_ptr
[1];
4552 struct station_del_parameters params
;
4554 memset(¶ms
, 0, sizeof(params
));
4556 if (info
->attrs
[NL80211_ATTR_MAC
])
4557 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4559 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4560 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4561 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4562 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4565 if (!rdev
->ops
->del_station
)
4568 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4570 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4571 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4572 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4575 /* Default to Deauthentication frame */
4576 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4579 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4580 params
.reason_code
=
4581 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4582 if (params
.reason_code
== 0)
4583 return -EINVAL
; /* 0 is reserved */
4585 /* Default to reason code 2 */
4586 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4589 return rdev_del_station(rdev
, dev
, ¶ms
);
4592 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4593 int flags
, struct net_device
*dev
,
4594 u8
*dst
, u8
*next_hop
,
4595 struct mpath_info
*pinfo
)
4598 struct nlattr
*pinfoattr
;
4600 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4604 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4605 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4606 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4607 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4608 goto nla_put_failure
;
4610 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4612 goto nla_put_failure
;
4613 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4614 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4616 goto nla_put_failure
;
4617 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4618 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4619 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4620 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4622 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4623 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4625 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4626 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4628 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4629 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4630 pinfo
->discovery_timeout
)) ||
4631 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4632 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4633 pinfo
->discovery_retries
)))
4634 goto nla_put_failure
;
4636 nla_nest_end(msg
, pinfoattr
);
4638 genlmsg_end(msg
, hdr
);
4642 genlmsg_cancel(msg
, hdr
);
4646 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4647 struct netlink_callback
*cb
)
4649 struct mpath_info pinfo
;
4650 struct cfg80211_registered_device
*rdev
;
4651 struct wireless_dev
*wdev
;
4653 u8 next_hop
[ETH_ALEN
];
4654 int path_idx
= cb
->args
[2];
4657 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4661 if (!rdev
->ops
->dump_mpath
) {
4666 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4672 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4679 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4680 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4681 wdev
->netdev
, dst
, next_hop
,
4690 cb
->args
[2] = path_idx
;
4693 nl80211_finish_wdev_dump(rdev
);
4697 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4699 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4701 struct net_device
*dev
= info
->user_ptr
[1];
4702 struct mpath_info pinfo
;
4703 struct sk_buff
*msg
;
4705 u8 next_hop
[ETH_ALEN
];
4707 memset(&pinfo
, 0, sizeof(pinfo
));
4709 if (!info
->attrs
[NL80211_ATTR_MAC
])
4712 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4714 if (!rdev
->ops
->get_mpath
)
4717 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4720 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4724 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4728 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4729 dev
, dst
, next_hop
, &pinfo
) < 0) {
4734 return genlmsg_reply(msg
, info
);
4737 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4739 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4740 struct net_device
*dev
= info
->user_ptr
[1];
4742 u8
*next_hop
= NULL
;
4744 if (!info
->attrs
[NL80211_ATTR_MAC
])
4747 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4750 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4751 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4753 if (!rdev
->ops
->change_mpath
)
4756 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4759 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4762 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4764 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4765 struct net_device
*dev
= info
->user_ptr
[1];
4767 u8
*next_hop
= NULL
;
4769 if (!info
->attrs
[NL80211_ATTR_MAC
])
4772 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4775 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4776 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4778 if (!rdev
->ops
->add_mpath
)
4781 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4784 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4787 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4789 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4790 struct net_device
*dev
= info
->user_ptr
[1];
4793 if (info
->attrs
[NL80211_ATTR_MAC
])
4794 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4796 if (!rdev
->ops
->del_mpath
)
4799 return rdev_del_mpath(rdev
, dev
, dst
);
4802 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4804 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4806 struct net_device
*dev
= info
->user_ptr
[1];
4807 struct mpath_info pinfo
;
4808 struct sk_buff
*msg
;
4812 memset(&pinfo
, 0, sizeof(pinfo
));
4814 if (!info
->attrs
[NL80211_ATTR_MAC
])
4817 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4819 if (!rdev
->ops
->get_mpp
)
4822 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4825 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4829 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4833 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4834 dev
, dst
, mpp
, &pinfo
) < 0) {
4839 return genlmsg_reply(msg
, info
);
4842 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4843 struct netlink_callback
*cb
)
4845 struct mpath_info pinfo
;
4846 struct cfg80211_registered_device
*rdev
;
4847 struct wireless_dev
*wdev
;
4850 int path_idx
= cb
->args
[2];
4853 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4857 if (!rdev
->ops
->dump_mpp
) {
4862 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4868 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4875 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4876 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4877 wdev
->netdev
, dst
, mpp
,
4885 cb
->args
[2] = path_idx
;
4888 nl80211_finish_wdev_dump(rdev
);
4892 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4894 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4895 struct net_device
*dev
= info
->user_ptr
[1];
4896 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4897 struct bss_parameters params
;
4900 memset(¶ms
, 0, sizeof(params
));
4901 /* default to not changing parameters */
4902 params
.use_cts_prot
= -1;
4903 params
.use_short_preamble
= -1;
4904 params
.use_short_slot_time
= -1;
4905 params
.ap_isolate
= -1;
4906 params
.ht_opmode
= -1;
4907 params
.p2p_ctwindow
= -1;
4908 params
.p2p_opp_ps
= -1;
4910 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4911 params
.use_cts_prot
=
4912 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4913 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4914 params
.use_short_preamble
=
4915 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4916 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4917 params
.use_short_slot_time
=
4918 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4919 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4920 params
.basic_rates
=
4921 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4922 params
.basic_rates_len
=
4923 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4925 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4926 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4927 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4929 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4931 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4932 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4934 params
.p2p_ctwindow
=
4935 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4936 if (params
.p2p_ctwindow
< 0)
4938 if (params
.p2p_ctwindow
!= 0 &&
4939 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4943 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4946 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4948 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4951 params
.p2p_opp_ps
= tmp
;
4952 if (params
.p2p_opp_ps
&&
4953 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4957 if (!rdev
->ops
->change_bss
)
4960 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4961 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4965 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4971 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4975 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4980 * You should only get this when cfg80211 hasn't yet initialized
4981 * completely when built-in to the kernel right between the time
4982 * window between nl80211_init() and regulatory_init(), if that is
4985 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4986 return -EINPROGRESS
;
4988 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4989 user_reg_hint_type
=
4990 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4992 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4994 switch (user_reg_hint_type
) {
4995 case NL80211_USER_REG_HINT_USER
:
4996 case NL80211_USER_REG_HINT_CELL_BASE
:
4997 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5000 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5001 return regulatory_hint_user(data
, user_reg_hint_type
);
5002 case NL80211_USER_REG_HINT_INDOOR
:
5003 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
]) {
5004 owner_nlportid
= info
->snd_portid
;
5005 is_indoor
= !!info
->attrs
[NL80211_ATTR_REG_INDOOR
];
5011 return regulatory_hint_indoor(is_indoor
, owner_nlportid
);
5017 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
5018 struct genl_info
*info
)
5020 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5021 struct net_device
*dev
= info
->user_ptr
[1];
5022 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5023 struct mesh_config cur_params
;
5026 struct nlattr
*pinfoattr
;
5027 struct sk_buff
*msg
;
5029 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5032 if (!rdev
->ops
->get_mesh_config
)
5036 /* If not connected, get default parameters */
5037 if (!wdev
->mesh_id_len
)
5038 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
5040 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
5046 /* Draw up a netlink message to send back */
5047 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5050 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5051 NL80211_CMD_GET_MESH_CONFIG
);
5054 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
5056 goto nla_put_failure
;
5057 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
5058 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5059 cur_params
.dot11MeshRetryTimeout
) ||
5060 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5061 cur_params
.dot11MeshConfirmTimeout
) ||
5062 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5063 cur_params
.dot11MeshHoldingTimeout
) ||
5064 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5065 cur_params
.dot11MeshMaxPeerLinks
) ||
5066 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5067 cur_params
.dot11MeshMaxRetries
) ||
5068 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5069 cur_params
.dot11MeshTTL
) ||
5070 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5071 cur_params
.element_ttl
) ||
5072 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5073 cur_params
.auto_open_plinks
) ||
5074 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5075 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5076 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5077 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5078 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5079 cur_params
.path_refresh_time
) ||
5080 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5081 cur_params
.min_discovery_timeout
) ||
5082 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5083 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5084 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5085 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5086 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5087 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5088 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5089 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5090 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5091 cur_params
.dot11MeshHWMPRootMode
) ||
5092 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5093 cur_params
.dot11MeshHWMPRannInterval
) ||
5094 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5095 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5096 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5097 cur_params
.dot11MeshForwarding
) ||
5098 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5099 cur_params
.rssi_threshold
) ||
5100 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5101 cur_params
.ht_opmode
) ||
5102 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5103 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5104 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5105 cur_params
.dot11MeshHWMProotInterval
) ||
5106 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5107 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5108 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5109 cur_params
.power_mode
) ||
5110 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5111 cur_params
.dot11MeshAwakeWindowDuration
) ||
5112 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5113 cur_params
.plink_timeout
))
5114 goto nla_put_failure
;
5115 nla_nest_end(msg
, pinfoattr
);
5116 genlmsg_end(msg
, hdr
);
5117 return genlmsg_reply(msg
, info
);
5120 genlmsg_cancel(msg
, hdr
);
5126 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5127 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5128 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5129 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5130 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5131 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5132 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5133 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5134 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5135 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5136 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5137 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5138 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5139 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5140 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5141 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5142 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5143 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5144 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5145 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5146 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5147 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5148 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5149 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5150 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5151 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5152 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5153 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5154 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5157 static const struct nla_policy
5158 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5159 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5160 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5161 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5162 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5163 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5164 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5165 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5166 .len
= IEEE80211_MAX_DATA_LEN
},
5167 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5170 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5171 struct mesh_config
*cfg
,
5174 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5177 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5180 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5182 cfg->param = fn(tb[attr]); \
5183 mask |= (1 << (attr - 1)); \
5188 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5190 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5191 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5192 nl80211_meshconf_params_policy
))
5195 /* This makes sure that there aren't more than 32 mesh config
5196 * parameters (otherwise our bitfield scheme would not work.) */
5197 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5199 /* Fill in the params struct */
5200 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5201 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5203 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5204 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5206 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5207 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5209 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5210 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5212 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5213 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5215 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5216 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5217 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5218 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5220 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5221 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5223 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5225 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5227 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5228 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5230 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5231 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5233 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5234 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5236 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5238 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5240 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5242 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5244 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5246 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5248 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5249 dot11MeshHWMPnetDiameterTraversalTime
,
5251 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5253 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5254 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5256 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5257 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5259 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5260 dot11MeshGateAnnouncementProtocol
, 0, 1,
5261 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5263 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5264 mask
, NL80211_MESHCONF_FORWARDING
,
5266 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5267 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5269 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5270 mask
, NL80211_MESHCONF_HT_OPMODE
,
5272 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5274 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5276 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5277 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5279 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5280 dot11MeshHWMPconfirmationInterval
,
5282 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5284 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5285 NL80211_MESH_POWER_ACTIVE
,
5286 NL80211_MESH_POWER_MAX
,
5287 mask
, NL80211_MESHCONF_POWER_MODE
,
5289 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5291 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5292 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 0, 0xffffffff,
5293 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5300 #undef FILL_IN_MESH_PARAM_IF_SET
5303 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5304 struct mesh_setup
*setup
)
5306 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5307 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5309 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5311 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5312 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5313 nl80211_mesh_setup_params_policy
))
5316 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5317 setup
->sync_method
=
5318 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5319 IEEE80211_SYNC_METHOD_VENDOR
:
5320 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5322 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5323 setup
->path_sel_proto
=
5324 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5325 IEEE80211_PATH_PROTOCOL_VENDOR
:
5326 IEEE80211_PATH_PROTOCOL_HWMP
;
5328 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5329 setup
->path_metric
=
5330 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5331 IEEE80211_PATH_METRIC_VENDOR
:
5332 IEEE80211_PATH_METRIC_AIRTIME
;
5335 if (tb
[NL80211_MESH_SETUP_IE
]) {
5336 struct nlattr
*ieattr
=
5337 tb
[NL80211_MESH_SETUP_IE
];
5338 if (!is_valid_ie_attr(ieattr
))
5340 setup
->ie
= nla_data(ieattr
);
5341 setup
->ie_len
= nla_len(ieattr
);
5343 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5344 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5346 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5347 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5348 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5349 if (setup
->is_secure
)
5350 setup
->user_mpm
= true;
5352 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5353 if (!setup
->user_mpm
)
5356 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5362 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5363 struct genl_info
*info
)
5365 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5366 struct net_device
*dev
= info
->user_ptr
[1];
5367 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5368 struct mesh_config cfg
;
5372 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5375 if (!rdev
->ops
->update_mesh_config
)
5378 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5383 if (!wdev
->mesh_id_len
)
5387 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5394 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
5395 struct sk_buff
*msg
)
5397 struct nlattr
*nl_reg_rules
;
5400 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5401 (regdom
->dfs_region
&&
5402 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5403 goto nla_put_failure
;
5405 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5407 goto nla_put_failure
;
5409 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5410 struct nlattr
*nl_reg_rule
;
5411 const struct ieee80211_reg_rule
*reg_rule
;
5412 const struct ieee80211_freq_range
*freq_range
;
5413 const struct ieee80211_power_rule
*power_rule
;
5414 unsigned int max_bandwidth_khz
;
5416 reg_rule
= ®dom
->reg_rules
[i
];
5417 freq_range
= ®_rule
->freq_range
;
5418 power_rule
= ®_rule
->power_rule
;
5420 nl_reg_rule
= nla_nest_start(msg
, i
);
5422 goto nla_put_failure
;
5424 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5425 if (!max_bandwidth_khz
)
5426 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5429 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5431 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5432 freq_range
->start_freq_khz
) ||
5433 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5434 freq_range
->end_freq_khz
) ||
5435 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5436 max_bandwidth_khz
) ||
5437 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5438 power_rule
->max_antenna_gain
) ||
5439 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5440 power_rule
->max_eirp
) ||
5441 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5442 reg_rule
->dfs_cac_ms
))
5443 goto nla_put_failure
;
5445 nla_nest_end(msg
, nl_reg_rule
);
5448 nla_nest_end(msg
, nl_reg_rules
);
5455 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
5457 const struct ieee80211_regdomain
*regdom
= NULL
;
5458 struct cfg80211_registered_device
*rdev
;
5459 struct wiphy
*wiphy
= NULL
;
5460 struct sk_buff
*msg
;
5463 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5467 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5468 NL80211_CMD_GET_REG
);
5472 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
5475 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
5478 return PTR_ERR(rdev
);
5481 wiphy
= &rdev
->wiphy
;
5482 self_managed
= wiphy
->regulatory_flags
&
5483 REGULATORY_WIPHY_SELF_MANAGED
;
5484 regdom
= get_wiphy_regdom(wiphy
);
5486 /* a self-managed-reg device must have a private regdom */
5487 if (WARN_ON(!regdom
&& self_managed
)) {
5493 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5494 goto nla_put_failure
;
5497 if (!wiphy
&& reg_last_request_cell_base() &&
5498 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5499 NL80211_USER_REG_HINT_CELL_BASE
))
5500 goto nla_put_failure
;
5505 regdom
= rcu_dereference(cfg80211_regdomain
);
5507 if (nl80211_put_regdom(regdom
, msg
))
5508 goto nla_put_failure_rcu
;
5512 genlmsg_end(msg
, hdr
);
5513 return genlmsg_reply(msg
, info
);
5515 nla_put_failure_rcu
:
5518 genlmsg_cancel(msg
, hdr
);
5524 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5525 u32 seq
, int flags
, struct wiphy
*wiphy
,
5526 const struct ieee80211_regdomain
*regdom
)
5528 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5529 NL80211_CMD_GET_REG
);
5534 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5536 if (nl80211_put_regdom(regdom
, msg
))
5537 goto nla_put_failure
;
5539 if (!wiphy
&& reg_last_request_cell_base() &&
5540 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5541 NL80211_USER_REG_HINT_CELL_BASE
))
5542 goto nla_put_failure
;
5545 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5546 goto nla_put_failure
;
5548 if (wiphy
&& wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
5549 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
5550 goto nla_put_failure
;
5552 genlmsg_end(msg
, hdr
);
5556 genlmsg_cancel(msg
, hdr
);
5560 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
5561 struct netlink_callback
*cb
)
5563 const struct ieee80211_regdomain
*regdom
= NULL
;
5564 struct cfg80211_registered_device
*rdev
;
5565 int err
, reg_idx
, start
= cb
->args
[2];
5569 if (cfg80211_regdomain
&& start
== 0) {
5570 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5572 rtnl_dereference(cfg80211_regdomain
));
5577 /* the global regdom is idx 0 */
5579 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
5580 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
5584 if (++reg_idx
<= start
)
5587 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5588 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
5595 cb
->args
[2] = reg_idx
;
5602 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
5603 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
5604 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
5605 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
5606 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
5607 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
5608 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
5609 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
5610 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
5613 static int parse_reg_rule(struct nlattr
*tb
[],
5614 struct ieee80211_reg_rule
*reg_rule
)
5616 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
5617 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
5619 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
5621 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
5623 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
5625 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
5627 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
5630 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
5632 freq_range
->start_freq_khz
=
5633 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
5634 freq_range
->end_freq_khz
=
5635 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
5636 freq_range
->max_bandwidth_khz
=
5637 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
5639 power_rule
->max_eirp
=
5640 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
5642 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
5643 power_rule
->max_antenna_gain
=
5644 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
5646 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
5647 reg_rule
->dfs_cac_ms
=
5648 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
5653 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5655 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5656 struct nlattr
*nl_reg_rule
;
5658 int rem_reg_rules
, r
;
5659 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5660 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5661 struct ieee80211_regdomain
*rd
;
5663 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5666 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5669 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5671 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5672 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5674 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5677 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5681 if (!reg_is_valid_request(alpha2
))
5684 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5685 num_rules
* sizeof(struct ieee80211_reg_rule
);
5687 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5691 rd
->n_reg_rules
= num_rules
;
5692 rd
->alpha2
[0] = alpha2
[0];
5693 rd
->alpha2
[1] = alpha2
[1];
5696 * Disable DFS master mode if the DFS region was
5697 * not supported or known on this kernel.
5699 if (reg_supported_dfs_region(dfs_region
))
5700 rd
->dfs_region
= dfs_region
;
5702 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5704 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5705 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5709 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5715 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5721 r
= set_regdom(rd
, REGD_SOURCE_CRDA
);
5722 /* set_regdom took ownership */
5729 #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
5731 static int validate_scan_freqs(struct nlattr
*freqs
)
5733 struct nlattr
*attr1
, *attr2
;
5734 int n_channels
= 0, tmp1
, tmp2
;
5736 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5739 * Some hardware has a limited channel list for
5740 * scanning, and it is pretty much nonsensical
5741 * to scan for a channel twice, so disallow that
5742 * and don't require drivers to check that the
5743 * channel list they get isn't longer than what
5744 * they can scan, as long as they can scan all
5745 * the channels they registered at once.
5747 nla_for_each_nested(attr2
, freqs
, tmp2
)
5748 if (attr1
!= attr2
&&
5749 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5756 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5757 u8
*mac_addr
, u8
*mac_addr_mask
)
5761 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5762 eth_zero_addr(mac_addr
);
5763 eth_zero_addr(mac_addr_mask
);
5765 mac_addr_mask
[0] = 0x3;
5770 /* need both or none */
5771 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5774 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5775 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5777 /* don't allow or configure an mcast address */
5778 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5779 is_multicast_ether_addr(mac_addr
))
5783 * allow users to pass a MAC address that has bits set outside
5784 * of the mask, but don't bother drivers with having to deal
5787 for (i
= 0; i
< ETH_ALEN
; i
++)
5788 mac_addr
[i
] &= mac_addr_mask
[i
];
5793 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5795 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5796 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5797 struct cfg80211_scan_request
*request
;
5798 struct nlattr
*attr
;
5799 struct wiphy
*wiphy
;
5800 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5803 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5806 wiphy
= &rdev
->wiphy
;
5808 if (!rdev
->ops
->scan
)
5811 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5816 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5817 n_channels
= validate_scan_freqs(
5818 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5824 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5827 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5828 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5831 if (n_ssids
> wiphy
->max_scan_ssids
) {
5836 if (info
->attrs
[NL80211_ATTR_IE
])
5837 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5841 if (ie_len
> wiphy
->max_scan_ie_len
) {
5846 request
= kzalloc(sizeof(*request
)
5847 + sizeof(*request
->ssids
) * n_ssids
5848 + sizeof(*request
->channels
) * n_channels
5849 + ie_len
, GFP_KERNEL
);
5856 request
->ssids
= (void *)&request
->channels
[n_channels
];
5857 request
->n_ssids
= n_ssids
;
5860 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5862 request
->ie
= (void *)(request
->channels
+ n_channels
);
5866 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5867 /* user specified, bail out if channel not found */
5868 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5869 struct ieee80211_channel
*chan
;
5871 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5878 /* ignore disabled channels */
5879 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5882 request
->channels
[i
] = chan
;
5886 enum ieee80211_band band
;
5889 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5891 if (!wiphy
->bands
[band
])
5893 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5894 struct ieee80211_channel
*chan
;
5896 chan
= &wiphy
->bands
[band
]->channels
[j
];
5898 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5901 request
->channels
[i
] = chan
;
5912 request
->n_channels
= i
;
5916 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5917 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5921 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5922 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5927 if (info
->attrs
[NL80211_ATTR_IE
]) {
5928 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5929 memcpy((void *)request
->ie
,
5930 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5934 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5935 if (wiphy
->bands
[i
])
5937 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5939 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5940 nla_for_each_nested(attr
,
5941 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5943 enum ieee80211_band band
= nla_type(attr
);
5945 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5950 if (!wiphy
->bands
[band
])
5953 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5956 &request
->rates
[band
]);
5962 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5963 request
->flags
= nla_get_u32(
5964 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5965 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5966 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5971 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5972 if (!(wiphy
->features
&
5973 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5978 if (wdev
->current_bss
) {
5983 err
= nl80211_parse_random_mac(info
->attrs
,
5985 request
->mac_addr_mask
);
5992 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5994 request
->wdev
= wdev
;
5995 request
->wiphy
= &rdev
->wiphy
;
5996 request
->scan_start
= jiffies
;
5998 rdev
->scan_req
= request
;
5999 err
= rdev_scan(rdev
, request
);
6002 nl80211_send_scan_start(rdev
, wdev
);
6004 dev_hold(wdev
->netdev
);
6007 rdev
->scan_req
= NULL
;
6015 static int nl80211_abort_scan(struct sk_buff
*skb
, struct genl_info
*info
)
6017 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6018 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6020 if (!rdev
->ops
->abort_scan
)
6026 if (!rdev
->scan_req
)
6029 rdev_abort_scan(rdev
, wdev
);
6034 nl80211_parse_sched_scan_plans(struct wiphy
*wiphy
, int n_plans
,
6035 struct cfg80211_sched_scan_request
*request
,
6036 struct nlattr
**attrs
)
6038 int tmp
, err
, i
= 0;
6039 struct nlattr
*attr
;
6041 if (!attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6045 * If scan plans are not specified,
6046 * %NL80211_ATTR_SCHED_SCAN_INTERVAL must be specified. In this
6047 * case one scan plan will be set with the specified scan
6048 * interval and infinite number of iterations.
6050 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6053 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
6057 request
->scan_plans
[0].interval
=
6058 DIV_ROUND_UP(interval
, MSEC_PER_SEC
);
6059 if (!request
->scan_plans
[0].interval
)
6062 if (request
->scan_plans
[0].interval
>
6063 wiphy
->max_sched_scan_plan_interval
)
6064 request
->scan_plans
[0].interval
=
6065 wiphy
->max_sched_scan_plan_interval
;
6070 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
) {
6071 struct nlattr
*plan
[NL80211_SCHED_SCAN_PLAN_MAX
+ 1];
6073 if (WARN_ON(i
>= n_plans
))
6076 err
= nla_parse(plan
, NL80211_SCHED_SCAN_PLAN_MAX
,
6077 nla_data(attr
), nla_len(attr
),
6078 nl80211_plan_policy
);
6082 if (!plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
])
6085 request
->scan_plans
[i
].interval
=
6086 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_INTERVAL
]);
6087 if (!request
->scan_plans
[i
].interval
||
6088 request
->scan_plans
[i
].interval
>
6089 wiphy
->max_sched_scan_plan_interval
)
6092 if (plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]) {
6093 request
->scan_plans
[i
].iterations
=
6094 nla_get_u32(plan
[NL80211_SCHED_SCAN_PLAN_ITERATIONS
]);
6095 if (!request
->scan_plans
[i
].iterations
||
6096 (request
->scan_plans
[i
].iterations
>
6097 wiphy
->max_sched_scan_plan_iterations
))
6099 } else if (i
< n_plans
- 1) {
6101 * All scan plans but the last one must specify
6102 * a finite number of iterations
6111 * The last scan plan must not specify the number of
6112 * iterations, it is supposed to run infinitely
6114 if (request
->scan_plans
[n_plans
- 1].iterations
)
6120 static struct cfg80211_sched_scan_request
*
6121 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
6122 struct nlattr
**attrs
)
6124 struct cfg80211_sched_scan_request
*request
;
6125 struct nlattr
*attr
;
6126 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
, n_plans
= 0;
6127 enum ieee80211_band band
;
6129 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
6130 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
6132 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
6133 return ERR_PTR(-EINVAL
);
6135 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6136 n_channels
= validate_scan_freqs(
6137 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
6139 return ERR_PTR(-EINVAL
);
6141 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
6144 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
6145 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6149 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
6150 return ERR_PTR(-EINVAL
);
6153 * First, count the number of 'real' matchsets. Due to an issue with
6154 * the old implementation, matchsets containing only the RSSI attribute
6155 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
6156 * RSSI for all matchsets, rather than their own matchset for reporting
6157 * all APs with a strong RSSI. This is needed to be compatible with
6158 * older userspace that treated a matchset with only the RSSI as the
6159 * global RSSI for all other matchsets - if there are other matchsets.
6161 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6162 nla_for_each_nested(attr
,
6163 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6165 struct nlattr
*rssi
;
6167 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6168 nla_data(attr
), nla_len(attr
),
6169 nl80211_match_policy
);
6171 return ERR_PTR(err
);
6172 /* add other standalone attributes here */
6173 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
6177 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6179 default_match_rssi
= nla_get_s32(rssi
);
6183 /* However, if there's no other matchset, add the RSSI one */
6184 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
6187 if (n_match_sets
> wiphy
->max_match_sets
)
6188 return ERR_PTR(-EINVAL
);
6190 if (attrs
[NL80211_ATTR_IE
])
6191 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
6195 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
6196 return ERR_PTR(-EINVAL
);
6198 if (attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
]) {
6200 * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since
6201 * each scan plan already specifies its own interval
6203 if (attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6204 return ERR_PTR(-EINVAL
);
6206 nla_for_each_nested(attr
,
6207 attrs
[NL80211_ATTR_SCHED_SCAN_PLANS
], tmp
)
6211 * The scan interval attribute is kept for backward
6212 * compatibility. If no scan plans are specified and sched scan
6213 * interval is specified, one scan plan will be set with this
6214 * scan interval and infinite number of iterations.
6216 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
6217 return ERR_PTR(-EINVAL
);
6222 if (!n_plans
|| n_plans
> wiphy
->max_sched_scan_plans
)
6223 return ERR_PTR(-EINVAL
);
6225 request
= kzalloc(sizeof(*request
)
6226 + sizeof(*request
->ssids
) * n_ssids
6227 + sizeof(*request
->match_sets
) * n_match_sets
6228 + sizeof(*request
->scan_plans
) * n_plans
6229 + sizeof(*request
->channels
) * n_channels
6230 + ie_len
, GFP_KERNEL
);
6232 return ERR_PTR(-ENOMEM
);
6235 request
->ssids
= (void *)&request
->channels
[n_channels
];
6236 request
->n_ssids
= n_ssids
;
6239 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6241 request
->ie
= (void *)(request
->channels
+ n_channels
);
6246 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6248 request
->match_sets
=
6249 (void *)(request
->ssids
+ n_ssids
);
6251 request
->match_sets
=
6252 (void *)(request
->channels
+ n_channels
);
6254 request
->n_match_sets
= n_match_sets
;
6257 request
->scan_plans
= (void *)(request
->match_sets
+
6259 else if (request
->ie
)
6260 request
->scan_plans
= (void *)(request
->ie
+ ie_len
);
6262 request
->scan_plans
= (void *)(request
->ssids
+ n_ssids
);
6264 request
->scan_plans
= (void *)(request
->channels
+ n_channels
);
6266 request
->n_scan_plans
= n_plans
;
6269 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6270 /* user specified, bail out if channel not found */
6271 nla_for_each_nested(attr
,
6272 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6274 struct ieee80211_channel
*chan
;
6276 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6283 /* ignore disabled channels */
6284 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6287 request
->channels
[i
] = chan
;
6292 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6294 if (!wiphy
->bands
[band
])
6296 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6297 struct ieee80211_channel
*chan
;
6299 chan
= &wiphy
->bands
[band
]->channels
[j
];
6301 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6304 request
->channels
[i
] = chan
;
6315 request
->n_channels
= i
;
6319 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6321 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6325 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6326 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6333 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6334 nla_for_each_nested(attr
,
6335 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6337 struct nlattr
*ssid
, *rssi
;
6339 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6340 nla_data(attr
), nla_len(attr
),
6341 nl80211_match_policy
);
6344 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6346 if (WARN_ON(i
>= n_match_sets
)) {
6347 /* this indicates a programming error,
6348 * the loop above should have verified
6355 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6359 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6360 nla_data(ssid
), nla_len(ssid
));
6361 request
->match_sets
[i
].ssid
.ssid_len
=
6363 /* special attribute - old implemenation w/a */
6364 request
->match_sets
[i
].rssi_thold
=
6366 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6368 request
->match_sets
[i
].rssi_thold
=
6374 /* there was no other matchset, so the RSSI one is alone */
6375 if (i
== 0 && n_match_sets
)
6376 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6378 request
->min_rssi_thold
= INT_MAX
;
6379 for (i
= 0; i
< n_match_sets
; i
++)
6380 request
->min_rssi_thold
=
6381 min(request
->match_sets
[i
].rssi_thold
,
6382 request
->min_rssi_thold
);
6384 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6388 request
->ie_len
= ie_len
;
6389 memcpy((void *)request
->ie
,
6390 nla_data(attrs
[NL80211_ATTR_IE
]),
6394 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6395 request
->flags
= nla_get_u32(
6396 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6397 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6398 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6403 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6404 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6406 if (!wdev
) /* must be net-detect */
6407 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6409 if (!(wiphy
->features
& flg
)) {
6414 if (wdev
&& wdev
->current_bss
) {
6419 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6420 request
->mac_addr_mask
);
6426 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
6428 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
6430 err
= nl80211_parse_sched_scan_plans(wiphy
, n_plans
, request
, attrs
);
6434 request
->scan_start
= jiffies
;
6440 return ERR_PTR(err
);
6443 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6444 struct genl_info
*info
)
6446 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6447 struct net_device
*dev
= info
->user_ptr
[1];
6448 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6449 struct cfg80211_sched_scan_request
*sched_scan_req
;
6452 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6453 !rdev
->ops
->sched_scan_start
)
6456 if (rdev
->sched_scan_req
)
6457 return -EINPROGRESS
;
6459 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6462 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
6466 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
6470 sched_scan_req
->dev
= dev
;
6471 sched_scan_req
->wiphy
= &rdev
->wiphy
;
6473 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
6474 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
6476 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
6478 nl80211_send_sched_scan(rdev
, dev
,
6479 NL80211_CMD_START_SCHED_SCAN
);
6483 kfree(sched_scan_req
);
6488 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6489 struct genl_info
*info
)
6491 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6493 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6494 !rdev
->ops
->sched_scan_stop
)
6497 return __cfg80211_stop_sched_scan(rdev
, false);
6500 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6501 struct genl_info
*info
)
6503 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6504 struct net_device
*dev
= info
->user_ptr
[1];
6505 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6506 struct cfg80211_chan_def chandef
;
6507 enum nl80211_dfs_regions dfs_region
;
6508 unsigned int cac_time_ms
;
6511 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6512 if (dfs_region
== NL80211_DFS_UNSET
)
6515 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6519 if (netif_carrier_ok(dev
))
6522 if (wdev
->cac_started
)
6525 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6533 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6536 if (!rdev
->ops
->start_radar_detection
)
6539 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6540 if (WARN_ON(!cac_time_ms
))
6541 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6543 err
= rdev_start_radar_detection(rdev
, dev
, &chandef
, cac_time_ms
);
6545 wdev
->chandef
= chandef
;
6546 wdev
->cac_started
= true;
6547 wdev
->cac_start_time
= jiffies
;
6548 wdev
->cac_time_ms
= cac_time_ms
;
6553 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6555 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6556 struct net_device
*dev
= info
->user_ptr
[1];
6557 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6558 struct cfg80211_csa_settings params
;
6559 /* csa_attrs is defined static to avoid waste of stack size - this
6560 * function is called under RTNL lock, so this should not be a problem.
6562 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6564 bool need_new_beacon
= false;
6568 if (!rdev
->ops
->channel_switch
||
6569 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6572 switch (dev
->ieee80211_ptr
->iftype
) {
6573 case NL80211_IFTYPE_AP
:
6574 case NL80211_IFTYPE_P2P_GO
:
6575 need_new_beacon
= true;
6577 /* useless if AP is not running */
6578 if (!wdev
->beacon_interval
)
6581 case NL80211_IFTYPE_ADHOC
:
6582 if (!wdev
->ssid_len
)
6585 case NL80211_IFTYPE_MESH_POINT
:
6586 if (!wdev
->mesh_id_len
)
6593 memset(¶ms
, 0, sizeof(params
));
6595 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6596 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6599 /* only important for AP, IBSS and mesh create IEs internally */
6600 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6603 /* Even though the attribute is u32, the specification says
6604 * u8, so let's make sure we don't overflow.
6606 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6610 params
.count
= cs_count
;
6612 if (!need_new_beacon
)
6615 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6619 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6620 info
->attrs
[NL80211_ATTR_CSA_IES
],
6625 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6629 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6632 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6633 if (!len
|| (len
% sizeof(u16
)))
6636 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6637 if (rdev
->wiphy
.max_num_csa_counters
&&
6638 (params
.n_counter_offsets_beacon
>
6639 rdev
->wiphy
.max_num_csa_counters
))
6642 params
.counter_offsets_beacon
=
6643 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6645 /* sanity checks - counters should fit and be the same */
6646 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6647 u16 offset
= params
.counter_offsets_beacon
[i
];
6649 if (offset
>= params
.beacon_csa
.tail_len
)
6652 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6656 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6657 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6658 if (!len
|| (len
% sizeof(u16
)))
6661 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6662 if (rdev
->wiphy
.max_num_csa_counters
&&
6663 (params
.n_counter_offsets_beacon
>
6664 rdev
->wiphy
.max_num_csa_counters
))
6667 params
.counter_offsets_presp
=
6668 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6670 /* sanity checks - counters should fit and be the same */
6671 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6672 u16 offset
= params
.counter_offsets_presp
[i
];
6674 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6677 if (params
.beacon_csa
.probe_resp
[offset
] !=
6684 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6688 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
6692 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6699 params
.radar_required
= true;
6701 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6702 params
.block_tx
= true;
6705 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6711 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6713 struct cfg80211_registered_device
*rdev
,
6714 struct wireless_dev
*wdev
,
6715 struct cfg80211_internal_bss
*intbss
)
6717 struct cfg80211_bss
*res
= &intbss
->pub
;
6718 const struct cfg80211_bss_ies
*ies
;
6722 ASSERT_WDEV_LOCK(wdev
);
6724 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6725 NL80211_CMD_NEW_SCAN_RESULTS
);
6729 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6731 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6732 goto nla_put_failure
;
6734 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6735 goto nla_put_failure
;
6736 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6737 goto nla_put_failure
;
6739 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6741 goto nla_put_failure
;
6742 if ((!is_zero_ether_addr(res
->bssid
) &&
6743 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6744 goto nla_put_failure
;
6747 /* indicate whether we have probe response data or not */
6748 if (rcu_access_pointer(res
->proberesp_ies
) &&
6749 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6750 goto fail_unlock_rcu
;
6752 /* this pointer prefers to be pointed to probe response data
6753 * but is always valid
6755 ies
= rcu_dereference(res
->ies
);
6757 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6758 goto fail_unlock_rcu
;
6759 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6760 ies
->len
, ies
->data
))
6761 goto fail_unlock_rcu
;
6764 /* and this pointer is always (unless driver didn't know) beacon data */
6765 ies
= rcu_dereference(res
->beacon_ies
);
6766 if (ies
&& ies
->from_beacon
) {
6767 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6768 goto fail_unlock_rcu
;
6769 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6770 ies
->len
, ies
->data
))
6771 goto fail_unlock_rcu
;
6775 if (res
->beacon_interval
&&
6776 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6777 goto nla_put_failure
;
6778 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6779 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6780 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6781 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6782 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6783 goto nla_put_failure
;
6785 if (intbss
->ts_boottime
&&
6786 nla_put_u64(msg
, NL80211_BSS_LAST_SEEN_BOOTTIME
,
6787 intbss
->ts_boottime
))
6788 goto nla_put_failure
;
6790 switch (rdev
->wiphy
.signal_type
) {
6791 case CFG80211_SIGNAL_TYPE_MBM
:
6792 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6793 goto nla_put_failure
;
6795 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6796 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6797 goto nla_put_failure
;
6803 switch (wdev
->iftype
) {
6804 case NL80211_IFTYPE_P2P_CLIENT
:
6805 case NL80211_IFTYPE_STATION
:
6806 if (intbss
== wdev
->current_bss
&&
6807 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6808 NL80211_BSS_STATUS_ASSOCIATED
))
6809 goto nla_put_failure
;
6811 case NL80211_IFTYPE_ADHOC
:
6812 if (intbss
== wdev
->current_bss
&&
6813 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6814 NL80211_BSS_STATUS_IBSS_JOINED
))
6815 goto nla_put_failure
;
6821 nla_nest_end(msg
, bss
);
6823 genlmsg_end(msg
, hdr
);
6829 genlmsg_cancel(msg
, hdr
);
6833 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6835 struct cfg80211_registered_device
*rdev
;
6836 struct cfg80211_internal_bss
*scan
;
6837 struct wireless_dev
*wdev
;
6838 int start
= cb
->args
[2], idx
= 0;
6841 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6846 spin_lock_bh(&rdev
->bss_lock
);
6847 cfg80211_bss_expire(rdev
);
6849 cb
->seq
= rdev
->bss_generation
;
6851 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6854 if (nl80211_send_bss(skb
, cb
,
6855 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6856 rdev
, wdev
, scan
) < 0) {
6862 spin_unlock_bh(&rdev
->bss_lock
);
6866 nl80211_finish_wdev_dump(rdev
);
6871 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6872 int flags
, struct net_device
*dev
,
6873 bool allow_radio_stats
,
6874 struct survey_info
*survey
)
6877 struct nlattr
*infoattr
;
6879 /* skip radio stats if userspace didn't request them */
6880 if (!survey
->channel
&& !allow_radio_stats
)
6883 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6884 NL80211_CMD_NEW_SURVEY_RESULTS
);
6888 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6889 goto nla_put_failure
;
6891 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6893 goto nla_put_failure
;
6895 if (survey
->channel
&&
6896 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6897 survey
->channel
->center_freq
))
6898 goto nla_put_failure
;
6900 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6901 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6902 goto nla_put_failure
;
6903 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6904 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6905 goto nla_put_failure
;
6906 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
6907 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME
,
6909 goto nla_put_failure
;
6910 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
6911 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
6913 goto nla_put_failure
;
6914 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
6915 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
6916 survey
->time_ext_busy
))
6917 goto nla_put_failure
;
6918 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
6919 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_RX
,
6921 goto nla_put_failure
;
6922 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
6923 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_TX
,
6925 goto nla_put_failure
;
6926 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
6927 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
6929 goto nla_put_failure
;
6931 nla_nest_end(msg
, infoattr
);
6933 genlmsg_end(msg
, hdr
);
6937 genlmsg_cancel(msg
, hdr
);
6941 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6943 struct survey_info survey
;
6944 struct cfg80211_registered_device
*rdev
;
6945 struct wireless_dev
*wdev
;
6946 int survey_idx
= cb
->args
[2];
6950 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6954 /* prepare_wdev_dump parsed the attributes */
6955 radio_stats
= nl80211_fam
.attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
6957 if (!wdev
->netdev
) {
6962 if (!rdev
->ops
->dump_survey
) {
6968 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6974 /* don't send disabled channels, but do send non-channel data */
6975 if (survey
.channel
&&
6976 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
6981 if (nl80211_send_survey(skb
,
6982 NETLINK_CB(cb
->skb
).portid
,
6983 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6984 wdev
->netdev
, radio_stats
, &survey
) < 0)
6990 cb
->args
[2] = survey_idx
;
6993 nl80211_finish_wdev_dump(rdev
);
6997 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6999 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
7000 NL80211_WPA_VERSION_2
));
7003 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7005 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7006 struct net_device
*dev
= info
->user_ptr
[1];
7007 struct ieee80211_channel
*chan
;
7008 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
7009 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
7010 enum nl80211_auth_type auth_type
;
7011 struct key_parse key
;
7012 bool local_state_change
;
7014 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7017 if (!info
->attrs
[NL80211_ATTR_MAC
])
7020 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
7023 if (!info
->attrs
[NL80211_ATTR_SSID
])
7026 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7029 err
= nl80211_parse_key(info
, &key
);
7034 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
7036 if (!key
.p
.key
|| !key
.p
.key_len
)
7038 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
7039 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
7040 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
7041 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
7053 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
7054 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
7063 if (!rdev
->ops
->auth
)
7066 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7067 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7070 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7071 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7072 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7076 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7077 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7079 if (info
->attrs
[NL80211_ATTR_IE
]) {
7080 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7081 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7084 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7085 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
7088 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
7089 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
7092 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
7093 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
7095 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
7096 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
7097 /* need to include at least Auth Transaction and Status Code */
7098 if (sae_data_len
< 4)
7102 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7105 * Since we no longer track auth state, ignore
7106 * requests to only change local state.
7108 if (local_state_change
)
7111 wdev_lock(dev
->ieee80211_ptr
);
7112 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
7113 ssid
, ssid_len
, ie
, ie_len
,
7114 key
.p
.key
, key
.p
.key_len
, key
.idx
,
7115 sae_data
, sae_data_len
);
7116 wdev_unlock(dev
->ieee80211_ptr
);
7120 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
7121 struct genl_info
*info
,
7122 struct cfg80211_crypto_settings
*settings
,
7125 memset(settings
, 0, sizeof(*settings
));
7127 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
7129 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
7131 proto
= nla_get_u16(
7132 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
7133 settings
->control_port_ethertype
= cpu_to_be16(proto
);
7134 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
7137 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
7138 settings
->control_port_no_encrypt
= true;
7140 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
7142 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
7146 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7147 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
7148 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
7150 if (len
% sizeof(u32
))
7153 if (settings
->n_ciphers_pairwise
> cipher_limit
)
7156 memcpy(settings
->ciphers_pairwise
, data
, len
);
7158 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
7159 if (!cfg80211_supported_cipher_suite(
7161 settings
->ciphers_pairwise
[i
]))
7165 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
7166 settings
->cipher_group
=
7167 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
7168 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
7169 settings
->cipher_group
))
7173 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
7174 settings
->wpa_versions
=
7175 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
7176 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
7180 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
7184 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7185 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
7186 settings
->n_akm_suites
= len
/ sizeof(u32
);
7188 if (len
% sizeof(u32
))
7191 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
7194 memcpy(settings
->akm_suites
, data
, len
);
7200 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
7202 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7203 struct net_device
*dev
= info
->user_ptr
[1];
7204 struct ieee80211_channel
*chan
;
7205 struct cfg80211_assoc_request req
= {};
7206 const u8
*bssid
, *ssid
;
7207 int err
, ssid_len
= 0;
7209 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7212 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
7213 !info
->attrs
[NL80211_ATTR_SSID
] ||
7214 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7217 if (!rdev
->ops
->assoc
)
7220 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7221 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7224 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7226 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7227 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7231 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7232 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7234 if (info
->attrs
[NL80211_ATTR_IE
]) {
7235 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7236 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7239 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7240 enum nl80211_mfp mfp
=
7241 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7242 if (mfp
== NL80211_MFP_REQUIRED
)
7244 else if (mfp
!= NL80211_MFP_NO
)
7248 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
7249 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
7251 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7252 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
7254 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7255 memcpy(&req
.ht_capa_mask
,
7256 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7257 sizeof(req
.ht_capa_mask
));
7259 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7260 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7262 memcpy(&req
.ht_capa
,
7263 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7264 sizeof(req
.ht_capa
));
7267 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7268 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7270 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7271 memcpy(&req
.vht_capa_mask
,
7272 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7273 sizeof(req
.vht_capa_mask
));
7275 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7276 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7278 memcpy(&req
.vht_capa
,
7279 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7280 sizeof(req
.vht_capa
));
7283 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7284 if (!(rdev
->wiphy
.features
&
7285 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7286 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7288 req
.flags
|= ASSOC_REQ_USE_RRM
;
7291 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
7293 wdev_lock(dev
->ieee80211_ptr
);
7294 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
7295 ssid
, ssid_len
, &req
);
7296 wdev_unlock(dev
->ieee80211_ptr
);
7302 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7304 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7305 struct net_device
*dev
= info
->user_ptr
[1];
7306 const u8
*ie
= NULL
, *bssid
;
7307 int ie_len
= 0, err
;
7309 bool local_state_change
;
7311 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7314 if (!info
->attrs
[NL80211_ATTR_MAC
])
7317 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7320 if (!rdev
->ops
->deauth
)
7323 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7324 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7327 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7329 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7330 if (reason_code
== 0) {
7331 /* Reason Code 0 is reserved */
7335 if (info
->attrs
[NL80211_ATTR_IE
]) {
7336 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7337 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7340 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7342 wdev_lock(dev
->ieee80211_ptr
);
7343 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7344 local_state_change
);
7345 wdev_unlock(dev
->ieee80211_ptr
);
7349 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7351 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7352 struct net_device
*dev
= info
->user_ptr
[1];
7353 const u8
*ie
= NULL
, *bssid
;
7354 int ie_len
= 0, err
;
7356 bool local_state_change
;
7358 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7361 if (!info
->attrs
[NL80211_ATTR_MAC
])
7364 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7367 if (!rdev
->ops
->disassoc
)
7370 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7371 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7374 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7376 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7377 if (reason_code
== 0) {
7378 /* Reason Code 0 is reserved */
7382 if (info
->attrs
[NL80211_ATTR_IE
]) {
7383 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7384 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7387 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7389 wdev_lock(dev
->ieee80211_ptr
);
7390 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7391 local_state_change
);
7392 wdev_unlock(dev
->ieee80211_ptr
);
7397 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7398 int mcast_rate
[IEEE80211_NUM_BANDS
],
7401 struct wiphy
*wiphy
= &rdev
->wiphy
;
7405 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
7406 struct ieee80211_supported_band
*sband
;
7408 sband
= wiphy
->bands
[band
];
7412 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7413 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7414 mcast_rate
[band
] = i
+ 1;
7424 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7426 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7427 struct net_device
*dev
= info
->user_ptr
[1];
7428 struct cfg80211_ibss_params ibss
;
7429 struct wiphy
*wiphy
;
7430 struct cfg80211_cached_keys
*connkeys
= NULL
;
7433 memset(&ibss
, 0, sizeof(ibss
));
7435 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7438 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7439 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7442 ibss
.beacon_interval
= 100;
7444 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7445 ibss
.beacon_interval
=
7446 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7447 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7451 if (!rdev
->ops
->join_ibss
)
7454 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7457 wiphy
= &rdev
->wiphy
;
7459 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7460 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7462 if (!is_valid_ether_addr(ibss
.bssid
))
7465 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7466 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7468 if (info
->attrs
[NL80211_ATTR_IE
]) {
7469 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7470 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7473 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7477 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7478 NL80211_IFTYPE_ADHOC
))
7481 switch (ibss
.chandef
.width
) {
7482 case NL80211_CHAN_WIDTH_5
:
7483 case NL80211_CHAN_WIDTH_10
:
7484 case NL80211_CHAN_WIDTH_20_NOHT
:
7486 case NL80211_CHAN_WIDTH_20
:
7487 case NL80211_CHAN_WIDTH_40
:
7488 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7491 case NL80211_CHAN_WIDTH_80
:
7492 case NL80211_CHAN_WIDTH_80P80
:
7493 case NL80211_CHAN_WIDTH_160
:
7494 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7496 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
7497 NL80211_EXT_FEATURE_VHT_IBSS
))
7504 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7505 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7507 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7509 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7511 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7512 struct ieee80211_supported_band
*sband
=
7513 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7515 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7521 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7522 memcpy(&ibss
.ht_capa_mask
,
7523 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7524 sizeof(ibss
.ht_capa_mask
));
7526 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7527 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7529 memcpy(&ibss
.ht_capa
,
7530 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7531 sizeof(ibss
.ht_capa
));
7534 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7535 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7536 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7539 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7542 connkeys
= nl80211_parse_connkeys(rdev
,
7543 info
->attrs
[NL80211_ATTR_KEYS
],
7545 if (IS_ERR(connkeys
))
7546 return PTR_ERR(connkeys
);
7548 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7556 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7558 ibss
.userspace_handles_dfs
=
7559 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7561 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7567 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7569 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7570 struct net_device
*dev
= info
->user_ptr
[1];
7572 if (!rdev
->ops
->leave_ibss
)
7575 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7578 return cfg80211_leave_ibss(rdev
, dev
, false);
7581 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7583 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7584 struct net_device
*dev
= info
->user_ptr
[1];
7585 int mcast_rate
[IEEE80211_NUM_BANDS
];
7589 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7590 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
7591 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
7594 if (!rdev
->ops
->set_mcast_rate
)
7597 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7599 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7602 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7603 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7606 err
= rdev_set_mcast_rate(rdev
, dev
, mcast_rate
);
7611 static struct sk_buff
*
7612 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7613 struct wireless_dev
*wdev
, int approxlen
,
7614 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
7615 enum nl80211_attrs attr
,
7616 const struct nl80211_vendor_cmd_info
*info
,
7619 struct sk_buff
*skb
;
7621 struct nlattr
*data
;
7623 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7627 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7633 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7634 goto nla_put_failure
;
7637 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7639 goto nla_put_failure
;
7640 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7642 goto nla_put_failure
;
7646 if (nla_put_u64(skb
, NL80211_ATTR_WDEV
,
7648 goto nla_put_failure
;
7650 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
7651 wdev
->netdev
->ifindex
))
7652 goto nla_put_failure
;
7655 data
= nla_nest_start(skb
, attr
);
7657 ((void **)skb
->cb
)[0] = rdev
;
7658 ((void **)skb
->cb
)[1] = hdr
;
7659 ((void **)skb
->cb
)[2] = data
;
7668 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7669 struct wireless_dev
*wdev
,
7670 enum nl80211_commands cmd
,
7671 enum nl80211_attrs attr
,
7672 int vendor_event_idx
,
7673 int approxlen
, gfp_t gfp
)
7675 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7676 const struct nl80211_vendor_cmd_info
*info
;
7679 case NL80211_CMD_TESTMODE
:
7680 if (WARN_ON(vendor_event_idx
!= -1))
7684 case NL80211_CMD_VENDOR
:
7685 if (WARN_ON(vendor_event_idx
< 0 ||
7686 vendor_event_idx
>= wiphy
->n_vendor_events
))
7688 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7695 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
7696 cmd
, attr
, info
, gfp
);
7698 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7700 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7702 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7703 void *hdr
= ((void **)skb
->cb
)[1];
7704 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7705 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7707 /* clear CB data for netlink core to own from now on */
7708 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7710 nla_nest_end(skb
, data
);
7711 genlmsg_end(skb
, hdr
);
7713 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7714 mcgrp
= NL80211_MCGRP_VENDOR
;
7716 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7719 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7721 #ifdef CONFIG_NL80211_TESTMODE
7722 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7724 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7725 struct wireless_dev
*wdev
=
7726 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7729 if (!rdev
->ops
->testmode_cmd
)
7733 err
= PTR_ERR(wdev
);
7737 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7741 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7744 rdev
->cur_cmd_info
= info
;
7745 err
= rdev_testmode_cmd(rdev
, wdev
,
7746 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7747 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7748 rdev
->cur_cmd_info
= NULL
;
7753 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7754 struct netlink_callback
*cb
)
7756 struct cfg80211_registered_device
*rdev
;
7766 * 0 is a valid index, but not valid for args[0],
7767 * so we need to offset by 1.
7769 phy_idx
= cb
->args
[0] - 1;
7771 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7772 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7777 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7778 nl80211_fam
.attrbuf
);
7780 err
= PTR_ERR(rdev
);
7783 phy_idx
= rdev
->wiphy_idx
;
7786 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7788 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7792 data
= nla_data((void *)cb
->args
[1]);
7793 data_len
= nla_len((void *)cb
->args
[1]);
7796 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7802 if (!rdev
->ops
->testmode_dump
) {
7808 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7809 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7810 NL80211_CMD_TESTMODE
);
7811 struct nlattr
*tmdata
;
7816 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7817 genlmsg_cancel(skb
, hdr
);
7821 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7823 genlmsg_cancel(skb
, hdr
);
7826 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7827 nla_nest_end(skb
, tmdata
);
7829 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7830 genlmsg_cancel(skb
, hdr
);
7833 genlmsg_cancel(skb
, hdr
);
7837 genlmsg_end(skb
, hdr
);
7842 cb
->args
[0] = phy_idx
+ 1;
7849 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7851 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7852 struct net_device
*dev
= info
->user_ptr
[1];
7853 struct cfg80211_connect_params connect
;
7854 struct wiphy
*wiphy
;
7855 struct cfg80211_cached_keys
*connkeys
= NULL
;
7858 memset(&connect
, 0, sizeof(connect
));
7860 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7863 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7864 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7867 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7869 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7870 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7871 NL80211_CMD_CONNECT
))
7874 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7876 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7878 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7879 NL80211_MAX_NR_CIPHER_SUITES
);
7883 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7884 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7887 wiphy
= &rdev
->wiphy
;
7889 connect
.bg_scan_period
= -1;
7890 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7891 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7892 connect
.bg_scan_period
=
7893 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7896 if (info
->attrs
[NL80211_ATTR_MAC
])
7897 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7898 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7899 connect
.bssid_hint
=
7900 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7901 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7902 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7904 if (info
->attrs
[NL80211_ATTR_IE
]) {
7905 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7906 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7909 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7910 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7911 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7912 connect
.mfp
!= NL80211_MFP_NO
)
7915 connect
.mfp
= NL80211_MFP_NO
;
7918 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7919 connect
.channel
= nl80211_get_valid_chan(
7920 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7921 if (!connect
.channel
)
7923 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7924 connect
.channel_hint
= nl80211_get_valid_chan(
7925 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7926 if (!connect
.channel_hint
)
7930 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7931 connkeys
= nl80211_parse_connkeys(rdev
,
7932 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7933 if (IS_ERR(connkeys
))
7934 return PTR_ERR(connkeys
);
7937 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7938 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7940 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7941 memcpy(&connect
.ht_capa_mask
,
7942 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7943 sizeof(connect
.ht_capa_mask
));
7945 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7946 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7950 memcpy(&connect
.ht_capa
,
7951 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7952 sizeof(connect
.ht_capa
));
7955 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7956 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7958 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7959 memcpy(&connect
.vht_capa_mask
,
7960 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7961 sizeof(connect
.vht_capa_mask
));
7963 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7964 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7968 memcpy(&connect
.vht_capa
,
7969 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7970 sizeof(connect
.vht_capa
));
7973 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7974 if (!(rdev
->wiphy
.features
&
7975 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7976 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
)) {
7980 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7983 wdev_lock(dev
->ieee80211_ptr
);
7984 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7985 wdev_unlock(dev
->ieee80211_ptr
);
7991 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7993 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7994 struct net_device
*dev
= info
->user_ptr
[1];
7998 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7999 reason
= WLAN_REASON_DEAUTH_LEAVING
;
8001 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
8006 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8007 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8010 wdev_lock(dev
->ieee80211_ptr
);
8011 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
8012 wdev_unlock(dev
->ieee80211_ptr
);
8016 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
8018 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8022 if (info
->attrs
[NL80211_ATTR_PID
]) {
8023 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
8025 net
= get_net_ns_by_pid(pid
);
8026 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
8027 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
8029 net
= get_net_ns_by_fd(fd
);
8035 return PTR_ERR(net
);
8039 /* check if anything to do */
8040 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
8041 err
= cfg80211_switch_netns(rdev
, net
);
8047 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8049 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8050 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
8051 struct cfg80211_pmksa
*pmksa
) = NULL
;
8052 struct net_device
*dev
= info
->user_ptr
[1];
8053 struct cfg80211_pmksa pmksa
;
8055 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
8057 if (!info
->attrs
[NL80211_ATTR_MAC
])
8060 if (!info
->attrs
[NL80211_ATTR_PMKID
])
8063 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
8064 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8066 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8067 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8070 switch (info
->genlhdr
->cmd
) {
8071 case NL80211_CMD_SET_PMKSA
:
8072 rdev_ops
= rdev
->ops
->set_pmksa
;
8074 case NL80211_CMD_DEL_PMKSA
:
8075 rdev_ops
= rdev
->ops
->del_pmksa
;
8085 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
8088 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
8090 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8091 struct net_device
*dev
= info
->user_ptr
[1];
8093 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
8094 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8097 if (!rdev
->ops
->flush_pmksa
)
8100 return rdev_flush_pmksa(rdev
, dev
);
8103 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8105 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8106 struct net_device
*dev
= info
->user_ptr
[1];
8107 u8 action_code
, dialog_token
;
8108 u32 peer_capability
= 0;
8113 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8114 !rdev
->ops
->tdls_mgmt
)
8117 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
8118 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
8119 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
8120 !info
->attrs
[NL80211_ATTR_IE
] ||
8121 !info
->attrs
[NL80211_ATTR_MAC
])
8124 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8125 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
8126 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
8127 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
8128 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
8129 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
8131 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
8133 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
8134 dialog_token
, status_code
, peer_capability
,
8136 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
8137 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
8140 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
8142 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8143 struct net_device
*dev
= info
->user_ptr
[1];
8144 enum nl80211_tdls_operation operation
;
8147 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
8148 !rdev
->ops
->tdls_oper
)
8151 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
8152 !info
->attrs
[NL80211_ATTR_MAC
])
8155 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
8156 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8158 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
8161 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
8162 struct genl_info
*info
)
8164 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8165 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8166 struct cfg80211_chan_def chandef
;
8167 struct sk_buff
*msg
;
8173 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
8174 !info
->attrs
[NL80211_ATTR_DURATION
])
8177 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8179 if (!rdev
->ops
->remain_on_channel
||
8180 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
8184 * We should be on that channel for at least a minimum amount of
8185 * time (10ms) but no longer than the driver supports.
8187 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8188 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
8191 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8195 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8199 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8200 NL80211_CMD_REMAIN_ON_CHANNEL
);
8206 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
8212 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8213 goto nla_put_failure
;
8215 genlmsg_end(msg
, hdr
);
8217 return genlmsg_reply(msg
, info
);
8226 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
8227 struct genl_info
*info
)
8229 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8230 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8233 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8236 if (!rdev
->ops
->cancel_remain_on_channel
)
8239 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8241 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
8244 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
8245 u8
*rates
, u8 rates_len
)
8250 for (i
= 0; i
< rates_len
; i
++) {
8251 int rate
= (rates
[i
] & 0x7f) * 5;
8253 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
8254 struct ieee80211_rate
*srate
=
8255 &sband
->bitrates
[ridx
];
8256 if (rate
== srate
->bitrate
) {
8261 if (ridx
== sband
->n_bitrates
)
8262 return 0; /* rate not found */
8268 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
8269 u8
*rates
, u8 rates_len
,
8270 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
8274 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
8276 for (i
= 0; i
< rates_len
; i
++) {
8279 ridx
= rates
[i
] / 8;
8280 rbit
= BIT(rates
[i
] % 8);
8282 /* check validity */
8283 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
8286 /* check availability */
8287 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
8296 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
8300 switch (vht_mcs_map
) {
8301 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
8303 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
8306 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
8309 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
8319 static void vht_build_mcs_mask(u16 vht_mcs_map
,
8320 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
8324 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8325 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8330 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8331 struct nl80211_txrate_vht
*txrate
,
8332 u16 mcs
[NL80211_VHT_NSS_MAX
])
8334 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8335 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8338 if (!sband
->vht_cap
.vht_supported
)
8341 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8343 /* Build vht_mcs_mask from VHT capabilities */
8344 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8346 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8347 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8348 mcs
[i
] = txrate
->mcs
[i
];
8356 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8357 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8358 .len
= NL80211_MAX_SUPP_RATES
},
8359 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8360 .len
= NL80211_MAX_SUPP_HT_RATES
},
8361 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8362 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8365 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8366 struct genl_info
*info
)
8368 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8369 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8370 struct cfg80211_bitrate_mask mask
;
8372 struct net_device
*dev
= info
->user_ptr
[1];
8373 struct nlattr
*tx_rates
;
8374 struct ieee80211_supported_band
*sband
;
8377 if (!rdev
->ops
->set_bitrate_mask
)
8380 memset(&mask
, 0, sizeof(mask
));
8381 /* Default to all rates enabled */
8382 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
8383 sband
= rdev
->wiphy
.bands
[i
];
8388 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8389 memcpy(mask
.control
[i
].ht_mcs
,
8390 sband
->ht_cap
.mcs
.rx_mask
,
8391 sizeof(mask
.control
[i
].ht_mcs
));
8393 if (!sband
->vht_cap
.vht_supported
)
8396 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8397 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8400 /* if no rates are given set it back to the defaults */
8401 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8405 * The nested attribute uses enum nl80211_band as the index. This maps
8406 * directly to the enum ieee80211_band values used in cfg80211.
8408 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8409 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8410 enum ieee80211_band band
= nla_type(tx_rates
);
8413 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
8415 sband
= rdev
->wiphy
.bands
[band
];
8418 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8419 nla_len(tx_rates
), nl80211_txattr_policy
);
8422 if (tb
[NL80211_TXRATE_LEGACY
]) {
8423 mask
.control
[band
].legacy
= rateset_to_mask(
8425 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8426 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8427 if ((mask
.control
[band
].legacy
== 0) &&
8428 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8431 if (tb
[NL80211_TXRATE_HT
]) {
8432 if (!ht_rateset_to_mask(
8434 nla_data(tb
[NL80211_TXRATE_HT
]),
8435 nla_len(tb
[NL80211_TXRATE_HT
]),
8436 mask
.control
[band
].ht_mcs
))
8439 if (tb
[NL80211_TXRATE_VHT
]) {
8440 if (!vht_set_mcs_mask(
8442 nla_data(tb
[NL80211_TXRATE_VHT
]),
8443 mask
.control
[band
].vht_mcs
))
8446 if (tb
[NL80211_TXRATE_GI
]) {
8447 mask
.control
[band
].gi
=
8448 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8449 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8453 if (mask
.control
[band
].legacy
== 0) {
8454 /* don't allow empty legacy rates if HT or VHT
8455 * are not even supported.
8457 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8458 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8461 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8462 if (mask
.control
[band
].ht_mcs
[i
])
8465 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8466 if (mask
.control
[band
].vht_mcs
[i
])
8469 /* legacy and mcs rates may not be both empty */
8475 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8478 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8480 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8481 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8482 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8484 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8487 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8488 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8490 switch (wdev
->iftype
) {
8491 case NL80211_IFTYPE_STATION
:
8492 case NL80211_IFTYPE_ADHOC
:
8493 case NL80211_IFTYPE_P2P_CLIENT
:
8494 case NL80211_IFTYPE_AP
:
8495 case NL80211_IFTYPE_AP_VLAN
:
8496 case NL80211_IFTYPE_MESH_POINT
:
8497 case NL80211_IFTYPE_P2P_GO
:
8498 case NL80211_IFTYPE_P2P_DEVICE
:
8504 /* not much point in registering if we can't reply */
8505 if (!rdev
->ops
->mgmt_tx
)
8508 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8509 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8510 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8513 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8515 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8516 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8517 struct cfg80211_chan_def chandef
;
8521 struct sk_buff
*msg
= NULL
;
8522 struct cfg80211_mgmt_tx_params params
= {
8523 .dont_wait_for_ack
=
8524 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8527 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8530 if (!rdev
->ops
->mgmt_tx
)
8533 switch (wdev
->iftype
) {
8534 case NL80211_IFTYPE_P2P_DEVICE
:
8535 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8537 case NL80211_IFTYPE_STATION
:
8538 case NL80211_IFTYPE_ADHOC
:
8539 case NL80211_IFTYPE_P2P_CLIENT
:
8540 case NL80211_IFTYPE_AP
:
8541 case NL80211_IFTYPE_AP_VLAN
:
8542 case NL80211_IFTYPE_MESH_POINT
:
8543 case NL80211_IFTYPE_P2P_GO
:
8549 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8550 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8552 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8555 * We should wait on the channel for at least a minimum amount
8556 * of time (10ms) but no longer than the driver supports.
8558 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8559 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8564 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8566 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8569 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8571 /* get the channel if any has been specified, otherwise pass NULL to
8572 * the driver. The latter will use the current one
8574 chandef
.chan
= NULL
;
8575 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8576 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8581 if (!chandef
.chan
&& params
.offchan
)
8584 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8585 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8587 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8588 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8591 if (len
% sizeof(u16
))
8594 params
.n_csa_offsets
= len
/ sizeof(u16
);
8595 params
.csa_offsets
=
8596 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8598 /* check that all the offsets fit the frame */
8599 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8600 if (params
.csa_offsets
[i
] >= params
.len
)
8605 if (!params
.dont_wait_for_ack
) {
8606 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8610 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8618 params
.chan
= chandef
.chan
;
8619 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8624 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8625 goto nla_put_failure
;
8627 genlmsg_end(msg
, hdr
);
8628 return genlmsg_reply(msg
, info
);
8640 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8642 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8643 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8646 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8649 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8652 switch (wdev
->iftype
) {
8653 case NL80211_IFTYPE_STATION
:
8654 case NL80211_IFTYPE_ADHOC
:
8655 case NL80211_IFTYPE_P2P_CLIENT
:
8656 case NL80211_IFTYPE_AP
:
8657 case NL80211_IFTYPE_AP_VLAN
:
8658 case NL80211_IFTYPE_P2P_GO
:
8659 case NL80211_IFTYPE_P2P_DEVICE
:
8665 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8667 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8670 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8672 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8673 struct wireless_dev
*wdev
;
8674 struct net_device
*dev
= info
->user_ptr
[1];
8679 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8682 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8684 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8687 wdev
= dev
->ieee80211_ptr
;
8689 if (!rdev
->ops
->set_power_mgmt
)
8692 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8694 if (state
== wdev
->ps
)
8697 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8703 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8705 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8706 enum nl80211_ps_state ps_state
;
8707 struct wireless_dev
*wdev
;
8708 struct net_device
*dev
= info
->user_ptr
[1];
8709 struct sk_buff
*msg
;
8713 wdev
= dev
->ieee80211_ptr
;
8715 if (!rdev
->ops
->set_power_mgmt
)
8718 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8722 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8723 NL80211_CMD_GET_POWER_SAVE
);
8730 ps_state
= NL80211_PS_ENABLED
;
8732 ps_state
= NL80211_PS_DISABLED
;
8734 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8735 goto nla_put_failure
;
8737 genlmsg_end(msg
, hdr
);
8738 return genlmsg_reply(msg
, info
);
8747 static const struct nla_policy
8748 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8749 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8750 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8751 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8752 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8753 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8754 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8757 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8758 u32 rate
, u32 pkts
, u32 intvl
)
8760 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8761 struct net_device
*dev
= info
->user_ptr
[1];
8762 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8764 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8767 if (!rdev
->ops
->set_cqm_txe_config
)
8770 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8771 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8774 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8777 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8778 s32 threshold
, u32 hysteresis
)
8780 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8781 struct net_device
*dev
= info
->user_ptr
[1];
8782 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8787 /* disabling - hysteresis should also be zero then */
8791 if (!rdev
->ops
->set_cqm_rssi_config
)
8794 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8795 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8798 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8801 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8803 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8807 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8811 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8812 nl80211_attr_cqm_policy
);
8816 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8817 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8818 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8819 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8821 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8824 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8825 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8826 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8827 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8828 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8829 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8831 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8837 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8839 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8840 struct net_device
*dev
= info
->user_ptr
[1];
8841 struct ocb_setup setup
= {};
8844 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8848 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8851 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8853 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8854 struct net_device
*dev
= info
->user_ptr
[1];
8856 return cfg80211_leave_ocb(rdev
, dev
);
8859 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8861 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8862 struct net_device
*dev
= info
->user_ptr
[1];
8863 struct mesh_config cfg
;
8864 struct mesh_setup setup
;
8867 /* start with default */
8868 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8869 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8871 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8872 /* and parse parameters if given */
8873 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8878 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8879 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8882 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8883 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8885 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8886 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8887 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8890 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8891 setup
.beacon_interval
=
8892 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8893 if (setup
.beacon_interval
< 10 ||
8894 setup
.beacon_interval
> 10000)
8898 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8900 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8901 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8905 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8906 /* parse additional setup parameters if given */
8907 err
= nl80211_parse_mesh_setup(info
, &setup
);
8913 cfg
.auto_open_plinks
= false;
8915 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8916 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8920 /* cfg80211_join_mesh() will sort it out */
8921 setup
.chandef
.chan
= NULL
;
8924 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8925 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8927 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8928 struct ieee80211_supported_band
*sband
;
8930 if (!setup
.chandef
.chan
)
8933 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8935 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8936 &setup
.basic_rates
);
8941 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8944 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8946 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8947 struct net_device
*dev
= info
->user_ptr
[1];
8949 return cfg80211_leave_mesh(rdev
, dev
);
8953 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8954 struct cfg80211_registered_device
*rdev
)
8956 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8957 struct nlattr
*nl_pats
, *nl_pat
;
8960 if (!wowlan
->n_patterns
)
8963 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8967 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8968 nl_pat
= nla_nest_start(msg
, i
+ 1);
8971 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8972 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8973 wowlan
->patterns
[i
].mask
) ||
8974 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8975 wowlan
->patterns
[i
].pattern
) ||
8976 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8977 wowlan
->patterns
[i
].pkt_offset
))
8979 nla_nest_end(msg
, nl_pat
);
8981 nla_nest_end(msg
, nl_pats
);
8986 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8987 struct cfg80211_wowlan_tcp
*tcp
)
8989 struct nlattr
*nl_tcp
;
8994 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8998 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8999 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
9000 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
9001 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
9002 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
9003 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
9004 tcp
->payload_len
, tcp
->payload
) ||
9005 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
9006 tcp
->data_interval
) ||
9007 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
9008 tcp
->wake_len
, tcp
->wake_data
) ||
9009 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
9010 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
9013 if (tcp
->payload_seq
.len
&&
9014 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
9015 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
9018 if (tcp
->payload_tok
.len
&&
9019 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
9020 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
9024 nla_nest_end(msg
, nl_tcp
);
9029 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
9030 struct cfg80211_sched_scan_request
*req
)
9032 struct nlattr
*nd
, *freqs
, *matches
, *match
, *scan_plans
, *scan_plan
;
9038 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
9042 if (req
->n_scan_plans
== 1 &&
9043 nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
,
9044 req
->scan_plans
[0].interval
* 1000))
9047 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
9050 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9054 for (i
= 0; i
< req
->n_channels
; i
++)
9055 nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
);
9057 nla_nest_end(msg
, freqs
);
9059 if (req
->n_match_sets
) {
9060 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
9061 for (i
= 0; i
< req
->n_match_sets
; i
++) {
9062 match
= nla_nest_start(msg
, i
);
9063 nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
9064 req
->match_sets
[i
].ssid
.ssid_len
,
9065 req
->match_sets
[i
].ssid
.ssid
);
9066 nla_nest_end(msg
, match
);
9068 nla_nest_end(msg
, matches
);
9071 scan_plans
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_PLANS
);
9075 for (i
= 0; i
< req
->n_scan_plans
; i
++) {
9076 scan_plan
= nla_nest_start(msg
, i
+ 1);
9078 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_INTERVAL
,
9079 req
->scan_plans
[i
].interval
) ||
9080 (req
->scan_plans
[i
].iterations
&&
9081 nla_put_u32(msg
, NL80211_SCHED_SCAN_PLAN_ITERATIONS
,
9082 req
->scan_plans
[i
].iterations
)))
9084 nla_nest_end(msg
, scan_plan
);
9086 nla_nest_end(msg
, scan_plans
);
9088 nla_nest_end(msg
, nd
);
9093 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9095 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9096 struct sk_buff
*msg
;
9098 u32 size
= NLMSG_DEFAULT_SIZE
;
9100 if (!rdev
->wiphy
.wowlan
)
9103 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
9104 /* adjust size to have room for all the data */
9105 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
9106 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
9107 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
9108 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
9111 msg
= nlmsg_new(size
, GFP_KERNEL
);
9115 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9116 NL80211_CMD_GET_WOWLAN
);
9118 goto nla_put_failure
;
9120 if (rdev
->wiphy
.wowlan_config
) {
9121 struct nlattr
*nl_wowlan
;
9123 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
9125 goto nla_put_failure
;
9127 if ((rdev
->wiphy
.wowlan_config
->any
&&
9128 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
9129 (rdev
->wiphy
.wowlan_config
->disconnect
&&
9130 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
9131 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
9132 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
9133 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
9134 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
9135 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
9136 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
9137 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
9138 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
9139 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
9140 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
9141 goto nla_put_failure
;
9143 if (nl80211_send_wowlan_patterns(msg
, rdev
))
9144 goto nla_put_failure
;
9146 if (nl80211_send_wowlan_tcp(msg
,
9147 rdev
->wiphy
.wowlan_config
->tcp
))
9148 goto nla_put_failure
;
9150 if (nl80211_send_wowlan_nd(
9152 rdev
->wiphy
.wowlan_config
->nd_config
))
9153 goto nla_put_failure
;
9155 nla_nest_end(msg
, nl_wowlan
);
9158 genlmsg_end(msg
, hdr
);
9159 return genlmsg_reply(msg
, info
);
9166 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
9167 struct nlattr
*attr
,
9168 struct cfg80211_wowlan
*trig
)
9170 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
9171 struct cfg80211_wowlan_tcp
*cfg
;
9172 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
9173 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
9175 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
9178 if (!rdev
->wiphy
.wowlan
->tcp
)
9181 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
9182 nla_data(attr
), nla_len(attr
),
9183 nl80211_wowlan_tcp_policy
);
9187 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
9188 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
9189 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
9190 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
9191 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
9192 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
9193 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
9194 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
9197 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
9198 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
9201 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
9202 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
9203 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
9206 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
9207 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
9210 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
9211 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
9214 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
9215 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9217 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9218 tokens_size
= tokln
- sizeof(*tok
);
9220 if (!tok
->len
|| tokens_size
% tok
->len
)
9222 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
9224 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
9226 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
9228 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
9230 if (tok
->offset
+ tok
->len
> data_size
)
9234 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
9235 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
9236 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
9238 if (seq
->len
== 0 || seq
->len
> 4)
9240 if (seq
->len
+ seq
->offset
> data_size
)
9244 size
= sizeof(*cfg
);
9246 size
+= wake_size
+ wake_mask_size
;
9247 size
+= tokens_size
;
9249 cfg
= kzalloc(size
, GFP_KERNEL
);
9252 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
9253 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
9254 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
9256 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
9257 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
9261 /* allocate a socket and port for it and use it */
9262 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
9263 IPPROTO_TCP
, &cfg
->sock
, 1);
9268 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
9269 sock_release(cfg
->sock
);
9273 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
9279 cfg
->src_port
= port
;
9282 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
9283 cfg
->payload_len
= data_size
;
9284 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
9285 memcpy((void *)cfg
->payload
,
9286 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
9289 cfg
->payload_seq
= *seq
;
9290 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
9291 cfg
->wake_len
= wake_size
;
9292 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
9293 memcpy((void *)cfg
->wake_data
,
9294 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
9296 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
9297 data_size
+ wake_size
;
9298 memcpy((void *)cfg
->wake_mask
,
9299 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
9302 cfg
->tokens_size
= tokens_size
;
9303 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
9311 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
9312 const struct wiphy_wowlan_support
*wowlan
,
9313 struct nlattr
*attr
,
9314 struct cfg80211_wowlan
*trig
)
9319 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
9323 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
9328 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
9329 nla_data(attr
), nla_len(attr
),
9334 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
9335 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
9337 trig
->nd_config
= NULL
;
9344 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9346 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9347 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
9348 struct cfg80211_wowlan new_triggers
= {};
9349 struct cfg80211_wowlan
*ntrig
;
9350 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
9352 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
9353 bool regular
= false;
9358 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
9359 cfg80211_rdev_free_wowlan(rdev
);
9360 rdev
->wiphy
.wowlan_config
= NULL
;
9364 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
9365 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9366 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9367 nl80211_wowlan_policy
);
9371 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
9372 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
9374 new_triggers
.any
= true;
9377 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
9378 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
9380 new_triggers
.disconnect
= true;
9384 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
9385 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
9387 new_triggers
.magic_pkt
= true;
9391 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
9394 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
9395 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9397 new_triggers
.gtk_rekey_failure
= true;
9401 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9402 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9404 new_triggers
.eap_identity_req
= true;
9408 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9409 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9411 new_triggers
.four_way_handshake
= true;
9415 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9416 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9418 new_triggers
.rfkill_release
= true;
9422 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9425 int rem
, pat_len
, mask_len
, pkt_offset
;
9426 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9430 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9433 if (n_patterns
> wowlan
->n_patterns
)
9436 new_triggers
.patterns
= kcalloc(n_patterns
,
9437 sizeof(new_triggers
.patterns
[0]),
9439 if (!new_triggers
.patterns
)
9442 new_triggers
.n_patterns
= n_patterns
;
9445 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9449 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9450 nla_len(pat
), NULL
);
9452 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9453 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9455 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9456 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9457 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9459 if (pat_len
> wowlan
->pattern_max_len
||
9460 pat_len
< wowlan
->pattern_min_len
)
9463 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9466 pkt_offset
= nla_get_u32(
9467 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9468 if (pkt_offset
> wowlan
->max_pkt_offset
)
9470 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9472 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9477 new_triggers
.patterns
[i
].mask
= mask_pat
;
9478 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9480 mask_pat
+= mask_len
;
9481 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9482 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9484 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9490 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9492 err
= nl80211_parse_wowlan_tcp(
9493 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9499 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9501 err
= nl80211_parse_wowlan_nd(
9502 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9508 /* The 'any' trigger means the device continues operating more or less
9509 * as in its normal operation mode and wakes up the host on most of the
9510 * normal interrupts (like packet RX, ...)
9511 * It therefore makes little sense to combine with the more constrained
9512 * wakeup trigger modes.
9514 if (new_triggers
.any
&& regular
) {
9519 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9524 cfg80211_rdev_free_wowlan(rdev
);
9525 rdev
->wiphy
.wowlan_config
= ntrig
;
9528 if (rdev
->ops
->set_wakeup
&&
9529 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9530 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9534 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9535 kfree(new_triggers
.patterns
[i
].mask
);
9536 kfree(new_triggers
.patterns
);
9537 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9538 sock_release(new_triggers
.tcp
->sock
);
9539 kfree(new_triggers
.tcp
);
9540 kfree(new_triggers
.nd_config
);
9545 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9546 struct cfg80211_registered_device
*rdev
)
9548 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9550 struct cfg80211_coalesce_rules
*rule
;
9552 if (!rdev
->coalesce
->n_rules
)
9555 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9559 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9560 nl_rule
= nla_nest_start(msg
, i
+ 1);
9564 rule
= &rdev
->coalesce
->rules
[i
];
9565 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9569 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9573 nl_pats
= nla_nest_start(msg
,
9574 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9578 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9579 nl_pat
= nla_nest_start(msg
, j
+ 1);
9582 pat_len
= rule
->patterns
[j
].pattern_len
;
9583 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9584 DIV_ROUND_UP(pat_len
, 8),
9585 rule
->patterns
[j
].mask
) ||
9586 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9587 rule
->patterns
[j
].pattern
) ||
9588 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9589 rule
->patterns
[j
].pkt_offset
))
9591 nla_nest_end(msg
, nl_pat
);
9593 nla_nest_end(msg
, nl_pats
);
9594 nla_nest_end(msg
, nl_rule
);
9596 nla_nest_end(msg
, nl_rules
);
9601 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9603 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9604 struct sk_buff
*msg
;
9607 if (!rdev
->wiphy
.coalesce
)
9610 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9614 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9615 NL80211_CMD_GET_COALESCE
);
9617 goto nla_put_failure
;
9619 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9620 goto nla_put_failure
;
9622 genlmsg_end(msg
, hdr
);
9623 return genlmsg_reply(msg
, info
);
9630 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9632 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9634 struct cfg80211_coalesce_rules
*rule
;
9639 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9640 rule
= &coalesce
->rules
[i
];
9641 for (j
= 0; j
< rule
->n_patterns
; j
++)
9642 kfree(rule
->patterns
[j
].mask
);
9643 kfree(rule
->patterns
);
9645 kfree(coalesce
->rules
);
9647 rdev
->coalesce
= NULL
;
9650 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9651 struct nlattr
*rule
,
9652 struct cfg80211_coalesce_rules
*new_rule
)
9655 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9656 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9657 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9658 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9660 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9661 nla_len(rule
), nl80211_coalesce_policy
);
9665 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9667 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9668 if (new_rule
->delay
> coalesce
->max_delay
)
9671 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9672 new_rule
->condition
=
9673 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9674 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9675 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9678 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9681 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9684 if (n_patterns
> coalesce
->n_patterns
)
9687 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9689 if (!new_rule
->patterns
)
9692 new_rule
->n_patterns
= n_patterns
;
9695 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9699 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9700 nla_len(pat
), NULL
);
9701 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9702 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9704 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9705 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9706 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9708 if (pat_len
> coalesce
->pattern_max_len
||
9709 pat_len
< coalesce
->pattern_min_len
)
9712 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9715 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9716 if (pkt_offset
> coalesce
->max_pkt_offset
)
9718 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9720 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9724 new_rule
->patterns
[i
].mask
= mask_pat
;
9725 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9728 mask_pat
+= mask_len
;
9729 new_rule
->patterns
[i
].pattern
= mask_pat
;
9730 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9731 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9739 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9741 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9742 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9743 struct cfg80211_coalesce new_coalesce
= {};
9744 struct cfg80211_coalesce
*n_coalesce
;
9745 int err
, rem_rule
, n_rules
= 0, i
, j
;
9746 struct nlattr
*rule
;
9747 struct cfg80211_coalesce_rules
*tmp_rule
;
9749 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9752 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9753 cfg80211_rdev_free_coalesce(rdev
);
9754 rdev_set_coalesce(rdev
, NULL
);
9758 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9761 if (n_rules
> coalesce
->n_rules
)
9764 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9766 if (!new_coalesce
.rules
)
9769 new_coalesce
.n_rules
= n_rules
;
9772 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9774 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9775 &new_coalesce
.rules
[i
]);
9782 err
= rdev_set_coalesce(rdev
, &new_coalesce
);
9786 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9791 cfg80211_rdev_free_coalesce(rdev
);
9792 rdev
->coalesce
= n_coalesce
;
9796 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9797 tmp_rule
= &new_coalesce
.rules
[i
];
9798 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9799 kfree(tmp_rule
->patterns
[j
].mask
);
9800 kfree(tmp_rule
->patterns
);
9802 kfree(new_coalesce
.rules
);
9807 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9809 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9810 struct net_device
*dev
= info
->user_ptr
[1];
9811 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9812 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9813 struct cfg80211_gtk_rekey_data rekey_data
;
9816 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9819 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9820 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9821 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9822 nl80211_rekey_policy
);
9826 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9828 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9830 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9833 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9834 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9835 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9838 if (!wdev
->current_bss
) {
9843 if (!rdev
->ops
->set_rekey_data
) {
9848 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9854 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9855 struct genl_info
*info
)
9857 struct net_device
*dev
= info
->user_ptr
[1];
9858 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9860 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9861 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9864 if (wdev
->ap_unexpected_nlportid
)
9867 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9871 static int nl80211_probe_client(struct sk_buff
*skb
,
9872 struct genl_info
*info
)
9874 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9875 struct net_device
*dev
= info
->user_ptr
[1];
9876 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9877 struct sk_buff
*msg
;
9883 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9884 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9887 if (!info
->attrs
[NL80211_ATTR_MAC
])
9890 if (!rdev
->ops
->probe_client
)
9893 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9897 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9898 NL80211_CMD_PROBE_CLIENT
);
9904 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9906 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9910 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9911 goto nla_put_failure
;
9913 genlmsg_end(msg
, hdr
);
9915 return genlmsg_reply(msg
, info
);
9924 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9926 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9927 struct cfg80211_beacon_registration
*reg
, *nreg
;
9930 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9933 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9937 /* First, check if already registered. */
9938 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9939 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9940 if (reg
->nlportid
== info
->snd_portid
) {
9945 /* Add it to the list */
9946 nreg
->nlportid
= info
->snd_portid
;
9947 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9949 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9953 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9958 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9960 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9961 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9964 if (!rdev
->ops
->start_p2p_device
)
9967 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9970 if (wdev
->p2p_started
)
9973 if (rfkill_blocked(rdev
->rfkill
))
9976 err
= rdev_start_p2p_device(rdev
, wdev
);
9980 wdev
->p2p_started
= true;
9986 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9988 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9989 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9991 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9994 if (!rdev
->ops
->stop_p2p_device
)
9997 cfg80211_stop_p2p_device(rdev
, wdev
);
10002 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
10003 struct genl_info
*info
)
10006 struct sk_buff
*msg
;
10008 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10012 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
10013 NL80211_CMD_GET_PROTOCOL_FEATURES
);
10015 goto nla_put_failure
;
10017 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
10018 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
10019 goto nla_put_failure
;
10021 genlmsg_end(msg
, hdr
);
10022 return genlmsg_reply(msg
, info
);
10029 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
10031 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10032 struct cfg80211_update_ft_ies_params ft_params
;
10033 struct net_device
*dev
= info
->user_ptr
[1];
10035 if (!rdev
->ops
->update_ft_ies
)
10036 return -EOPNOTSUPP
;
10038 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
10039 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
10042 memset(&ft_params
, 0, sizeof(ft_params
));
10043 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
10044 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
10045 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
10047 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
10050 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
10051 struct genl_info
*info
)
10053 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10054 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10055 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
10059 if (!rdev
->ops
->crit_proto_start
)
10060 return -EOPNOTSUPP
;
10062 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
10065 if (rdev
->crit_proto_nlportid
)
10068 /* determine protocol if provided */
10069 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
10070 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
10072 if (proto
>= NUM_NL80211_CRIT_PROTO
)
10075 /* timeout must be provided */
10076 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
10080 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
10082 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
10085 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
10087 rdev
->crit_proto_nlportid
= info
->snd_portid
;
10092 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
10093 struct genl_info
*info
)
10095 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10096 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10098 if (!rdev
->ops
->crit_proto_stop
)
10099 return -EOPNOTSUPP
;
10101 if (rdev
->crit_proto_nlportid
) {
10102 rdev
->crit_proto_nlportid
= 0;
10103 rdev_crit_proto_stop(rdev
, wdev
);
10108 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
10110 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10111 struct wireless_dev
*wdev
=
10112 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
10116 if (!rdev
->wiphy
.vendor_commands
)
10117 return -EOPNOTSUPP
;
10119 if (IS_ERR(wdev
)) {
10120 err
= PTR_ERR(wdev
);
10121 if (err
!= -EINVAL
)
10124 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
10128 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
10129 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
10132 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
10133 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
10134 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
10135 const struct wiphy_vendor_command
*vcmd
;
10139 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
10141 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
10144 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
10145 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
10148 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
10152 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
10153 if (wdev
->netdev
&&
10154 !netif_running(wdev
->netdev
))
10156 if (!wdev
->netdev
&& !wdev
->p2p_started
)
10161 return -EOPNOTSUPP
;
10166 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
10167 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
10168 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
10171 rdev
->cur_cmd_info
= info
;
10172 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
10174 rdev
->cur_cmd_info
= NULL
;
10178 return -EOPNOTSUPP
;
10181 static int nl80211_prepare_vendor_dump(struct sk_buff
*skb
,
10182 struct netlink_callback
*cb
,
10183 struct cfg80211_registered_device
**rdev
,
10184 struct wireless_dev
**wdev
)
10191 unsigned int data_len
= 0;
10196 /* subtract the 1 again here */
10197 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
10198 struct wireless_dev
*tmp
;
10204 *rdev
= wiphy_to_rdev(wiphy
);
10208 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
10209 if (tmp
->identifier
== cb
->args
[1] - 1) {
10216 /* keep rtnl locked in successful case */
10220 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
10221 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
10226 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_ID
] ||
10227 !nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]) {
10232 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
10233 nl80211_fam
.attrbuf
);
10237 *rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
10238 nl80211_fam
.attrbuf
);
10239 if (IS_ERR(*rdev
)) {
10240 err
= PTR_ERR(*rdev
);
10244 vid
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_ID
]);
10245 subcmd
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_SUBCMD
]);
10247 for (i
= 0; i
< (*rdev
)->wiphy
.n_vendor_commands
; i
++) {
10248 const struct wiphy_vendor_command
*vcmd
;
10250 vcmd
= &(*rdev
)->wiphy
.vendor_commands
[i
];
10252 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
10255 if (!vcmd
->dumpit
) {
10264 if (vcmd_idx
< 0) {
10269 if (nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]) {
10270 data
= nla_data(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
10271 data_len
= nla_len(nl80211_fam
.attrbuf
[NL80211_ATTR_VENDOR_DATA
]);
10274 /* 0 is the first index - add 1 to parse only once */
10275 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
10276 /* add 1 to know if it was NULL */
10277 cb
->args
[1] = *wdev
? (*wdev
)->identifier
+ 1 : 0;
10278 cb
->args
[2] = vcmd_idx
;
10279 cb
->args
[3] = (unsigned long)data
;
10280 cb
->args
[4] = data_len
;
10282 /* keep rtnl locked in successful case */
10289 static int nl80211_vendor_cmd_dump(struct sk_buff
*skb
,
10290 struct netlink_callback
*cb
)
10292 struct cfg80211_registered_device
*rdev
;
10293 struct wireless_dev
*wdev
;
10294 unsigned int vcmd_idx
;
10295 const struct wiphy_vendor_command
*vcmd
;
10299 struct nlattr
*vendor_data
;
10301 err
= nl80211_prepare_vendor_dump(skb
, cb
, &rdev
, &wdev
);
10305 vcmd_idx
= cb
->args
[2];
10306 data
= (void *)cb
->args
[3];
10307 data_len
= cb
->args
[4];
10308 vcmd
= &rdev
->wiphy
.vendor_commands
[vcmd_idx
];
10310 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
10311 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
10314 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
10318 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
10319 if (wdev
->netdev
&&
10320 !netif_running(wdev
->netdev
))
10322 if (!wdev
->netdev
&& !wdev
->p2p_started
)
10328 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
10329 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
10330 NL80211_CMD_VENDOR
);
10334 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10335 (wdev
&& nla_put_u64(skb
, NL80211_ATTR_WDEV
,
10337 genlmsg_cancel(skb
, hdr
);
10341 vendor_data
= nla_nest_start(skb
, NL80211_ATTR_VENDOR_DATA
);
10342 if (!vendor_data
) {
10343 genlmsg_cancel(skb
, hdr
);
10347 err
= vcmd
->dumpit(&rdev
->wiphy
, wdev
, skb
, data
, data_len
,
10348 (unsigned long *)&cb
->args
[5]);
10349 nla_nest_end(skb
, vendor_data
);
10351 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
10352 genlmsg_cancel(skb
, hdr
);
10355 genlmsg_cancel(skb
, hdr
);
10359 genlmsg_end(skb
, hdr
);
10368 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
10369 enum nl80211_commands cmd
,
10370 enum nl80211_attrs attr
,
10373 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10375 if (WARN_ON(!rdev
->cur_cmd_info
))
10378 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
10379 rdev
->cur_cmd_info
->snd_portid
,
10380 rdev
->cur_cmd_info
->snd_seq
,
10381 cmd
, attr
, NULL
, GFP_KERNEL
);
10383 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
10385 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
10387 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
10388 void *hdr
= ((void **)skb
->cb
)[1];
10389 struct nlattr
*data
= ((void **)skb
->cb
)[2];
10391 /* clear CB data for netlink core to own from now on */
10392 memset(skb
->cb
, 0, sizeof(skb
->cb
));
10394 if (WARN_ON(!rdev
->cur_cmd_info
)) {
10399 nla_nest_end(skb
, data
);
10400 genlmsg_end(skb
, hdr
);
10401 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
10403 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
10406 static int nl80211_set_qos_map(struct sk_buff
*skb
,
10407 struct genl_info
*info
)
10409 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10410 struct cfg80211_qos_map
*qos_map
= NULL
;
10411 struct net_device
*dev
= info
->user_ptr
[1];
10412 u8
*pos
, len
, num_des
, des_len
, des
;
10415 if (!rdev
->ops
->set_qos_map
)
10416 return -EOPNOTSUPP
;
10418 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
10419 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10420 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10422 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
10423 len
> IEEE80211_QOS_MAP_LEN_MAX
)
10426 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
10430 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
10432 des_len
= num_des
*
10433 sizeof(struct cfg80211_dscp_exception
);
10434 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
10435 qos_map
->num_des
= num_des
;
10436 for (des
= 0; des
< num_des
; des
++) {
10437 if (qos_map
->dscp_exception
[des
].up
> 7) {
10444 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
10447 wdev_lock(dev
->ieee80211_ptr
);
10448 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
10450 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
10451 wdev_unlock(dev
->ieee80211_ptr
);
10457 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10459 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10460 struct net_device
*dev
= info
->user_ptr
[1];
10461 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10464 u16 admitted_time
= 0;
10467 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
10468 return -EOPNOTSUPP
;
10470 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
10471 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
10474 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10475 if (tsid
>= IEEE80211_NUM_TIDS
)
10478 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
10479 if (up
>= IEEE80211_NUM_UPS
)
10482 /* WMM uses TIDs 0-7 even for TSPEC */
10483 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
10484 /* TODO: handle 802.11 TSPEC/admission control
10485 * need more attributes for that (e.g. BA session requirement);
10486 * change the WMM adminssion test above to allow both then
10491 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10493 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
10495 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
10496 if (!admitted_time
)
10501 switch (wdev
->iftype
) {
10502 case NL80211_IFTYPE_STATION
:
10503 case NL80211_IFTYPE_P2P_CLIENT
:
10504 if (wdev
->current_bss
)
10513 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
10520 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10522 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10523 struct net_device
*dev
= info
->user_ptr
[1];
10524 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10529 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
10532 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10533 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10536 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
10542 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
10543 struct genl_info
*info
)
10545 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10546 struct net_device
*dev
= info
->user_ptr
[1];
10547 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10548 struct cfg80211_chan_def chandef
= {};
10553 if (!rdev
->ops
->tdls_channel_switch
||
10554 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10555 return -EOPNOTSUPP
;
10557 switch (dev
->ieee80211_ptr
->iftype
) {
10558 case NL80211_IFTYPE_STATION
:
10559 case NL80211_IFTYPE_P2P_CLIENT
:
10562 return -EOPNOTSUPP
;
10565 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
10566 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
10569 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
10574 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
10575 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
10576 * specification is not defined for them.
10578 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
10579 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
10580 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
10583 /* we will be active on the TDLS link */
10584 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
10588 /* don't allow switching to DFS channels */
10589 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
10592 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10593 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
10596 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
10602 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
10603 struct genl_info
*info
)
10605 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10606 struct net_device
*dev
= info
->user_ptr
[1];
10607 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10610 if (!rdev
->ops
->tdls_channel_switch
||
10611 !rdev
->ops
->tdls_cancel_channel_switch
||
10612 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10613 return -EOPNOTSUPP
;
10615 switch (dev
->ieee80211_ptr
->iftype
) {
10616 case NL80211_IFTYPE_STATION
:
10617 case NL80211_IFTYPE_P2P_CLIENT
:
10620 return -EOPNOTSUPP
;
10623 if (!info
->attrs
[NL80211_ATTR_MAC
])
10626 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10629 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10635 #define NL80211_FLAG_NEED_WIPHY 0x01
10636 #define NL80211_FLAG_NEED_NETDEV 0x02
10637 #define NL80211_FLAG_NEED_RTNL 0x04
10638 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10639 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10640 NL80211_FLAG_CHECK_NETDEV_UP)
10641 #define NL80211_FLAG_NEED_WDEV 0x10
10642 /* If a netdev is associated, it must be UP, P2P must be started */
10643 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10644 NL80211_FLAG_CHECK_NETDEV_UP)
10645 #define NL80211_FLAG_CLEAR_SKB 0x20
10647 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10648 struct genl_info
*info
)
10650 struct cfg80211_registered_device
*rdev
;
10651 struct wireless_dev
*wdev
;
10652 struct net_device
*dev
;
10653 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
10658 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
10659 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
10660 if (IS_ERR(rdev
)) {
10663 return PTR_ERR(rdev
);
10665 info
->user_ptr
[0] = rdev
;
10666 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
10667 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10670 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
10672 if (IS_ERR(wdev
)) {
10675 return PTR_ERR(wdev
);
10678 dev
= wdev
->netdev
;
10679 rdev
= wiphy_to_rdev(wdev
->wiphy
);
10681 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
10688 info
->user_ptr
[1] = dev
;
10690 info
->user_ptr
[1] = wdev
;
10694 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
10695 !netif_running(dev
)) {
10702 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
10703 if (!wdev
->p2p_started
) {
10710 info
->user_ptr
[0] = rdev
;
10716 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10717 struct genl_info
*info
)
10719 if (info
->user_ptr
[1]) {
10720 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10721 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10724 dev_put(wdev
->netdev
);
10726 dev_put(info
->user_ptr
[1]);
10730 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10733 /* If needed, clear the netlink message payload from the SKB
10734 * as it might contain key data that shouldn't stick around on
10735 * the heap after the SKB is freed. The netlink message header
10736 * is still needed for further processing, so leave it intact.
10738 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10739 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10741 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10745 static const struct genl_ops nl80211_ops
[] = {
10747 .cmd
= NL80211_CMD_GET_WIPHY
,
10748 .doit
= nl80211_get_wiphy
,
10749 .dumpit
= nl80211_dump_wiphy
,
10750 .done
= nl80211_dump_wiphy_done
,
10751 .policy
= nl80211_policy
,
10752 /* can be retrieved by unprivileged users */
10753 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10754 NL80211_FLAG_NEED_RTNL
,
10757 .cmd
= NL80211_CMD_SET_WIPHY
,
10758 .doit
= nl80211_set_wiphy
,
10759 .policy
= nl80211_policy
,
10760 .flags
= GENL_ADMIN_PERM
,
10761 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10764 .cmd
= NL80211_CMD_GET_INTERFACE
,
10765 .doit
= nl80211_get_interface
,
10766 .dumpit
= nl80211_dump_interface
,
10767 .policy
= nl80211_policy
,
10768 /* can be retrieved by unprivileged users */
10769 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10770 NL80211_FLAG_NEED_RTNL
,
10773 .cmd
= NL80211_CMD_SET_INTERFACE
,
10774 .doit
= nl80211_set_interface
,
10775 .policy
= nl80211_policy
,
10776 .flags
= GENL_ADMIN_PERM
,
10777 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10778 NL80211_FLAG_NEED_RTNL
,
10781 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10782 .doit
= nl80211_new_interface
,
10783 .policy
= nl80211_policy
,
10784 .flags
= GENL_ADMIN_PERM
,
10785 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10786 NL80211_FLAG_NEED_RTNL
,
10789 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10790 .doit
= nl80211_del_interface
,
10791 .policy
= nl80211_policy
,
10792 .flags
= GENL_ADMIN_PERM
,
10793 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10794 NL80211_FLAG_NEED_RTNL
,
10797 .cmd
= NL80211_CMD_GET_KEY
,
10798 .doit
= nl80211_get_key
,
10799 .policy
= nl80211_policy
,
10800 .flags
= GENL_ADMIN_PERM
,
10801 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10802 NL80211_FLAG_NEED_RTNL
,
10805 .cmd
= NL80211_CMD_SET_KEY
,
10806 .doit
= nl80211_set_key
,
10807 .policy
= nl80211_policy
,
10808 .flags
= GENL_ADMIN_PERM
,
10809 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10810 NL80211_FLAG_NEED_RTNL
|
10811 NL80211_FLAG_CLEAR_SKB
,
10814 .cmd
= NL80211_CMD_NEW_KEY
,
10815 .doit
= nl80211_new_key
,
10816 .policy
= nl80211_policy
,
10817 .flags
= GENL_ADMIN_PERM
,
10818 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10819 NL80211_FLAG_NEED_RTNL
|
10820 NL80211_FLAG_CLEAR_SKB
,
10823 .cmd
= NL80211_CMD_DEL_KEY
,
10824 .doit
= nl80211_del_key
,
10825 .policy
= nl80211_policy
,
10826 .flags
= GENL_ADMIN_PERM
,
10827 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10828 NL80211_FLAG_NEED_RTNL
,
10831 .cmd
= NL80211_CMD_SET_BEACON
,
10832 .policy
= nl80211_policy
,
10833 .flags
= GENL_ADMIN_PERM
,
10834 .doit
= nl80211_set_beacon
,
10835 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10836 NL80211_FLAG_NEED_RTNL
,
10839 .cmd
= NL80211_CMD_START_AP
,
10840 .policy
= nl80211_policy
,
10841 .flags
= GENL_ADMIN_PERM
,
10842 .doit
= nl80211_start_ap
,
10843 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10844 NL80211_FLAG_NEED_RTNL
,
10847 .cmd
= NL80211_CMD_STOP_AP
,
10848 .policy
= nl80211_policy
,
10849 .flags
= GENL_ADMIN_PERM
,
10850 .doit
= nl80211_stop_ap
,
10851 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10852 NL80211_FLAG_NEED_RTNL
,
10855 .cmd
= NL80211_CMD_GET_STATION
,
10856 .doit
= nl80211_get_station
,
10857 .dumpit
= nl80211_dump_station
,
10858 .policy
= nl80211_policy
,
10859 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10860 NL80211_FLAG_NEED_RTNL
,
10863 .cmd
= NL80211_CMD_SET_STATION
,
10864 .doit
= nl80211_set_station
,
10865 .policy
= nl80211_policy
,
10866 .flags
= GENL_ADMIN_PERM
,
10867 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10868 NL80211_FLAG_NEED_RTNL
,
10871 .cmd
= NL80211_CMD_NEW_STATION
,
10872 .doit
= nl80211_new_station
,
10873 .policy
= nl80211_policy
,
10874 .flags
= GENL_ADMIN_PERM
,
10875 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10876 NL80211_FLAG_NEED_RTNL
,
10879 .cmd
= NL80211_CMD_DEL_STATION
,
10880 .doit
= nl80211_del_station
,
10881 .policy
= nl80211_policy
,
10882 .flags
= GENL_ADMIN_PERM
,
10883 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10884 NL80211_FLAG_NEED_RTNL
,
10887 .cmd
= NL80211_CMD_GET_MPATH
,
10888 .doit
= nl80211_get_mpath
,
10889 .dumpit
= nl80211_dump_mpath
,
10890 .policy
= nl80211_policy
,
10891 .flags
= GENL_ADMIN_PERM
,
10892 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10893 NL80211_FLAG_NEED_RTNL
,
10896 .cmd
= NL80211_CMD_GET_MPP
,
10897 .doit
= nl80211_get_mpp
,
10898 .dumpit
= nl80211_dump_mpp
,
10899 .policy
= nl80211_policy
,
10900 .flags
= GENL_ADMIN_PERM
,
10901 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10902 NL80211_FLAG_NEED_RTNL
,
10905 .cmd
= NL80211_CMD_SET_MPATH
,
10906 .doit
= nl80211_set_mpath
,
10907 .policy
= nl80211_policy
,
10908 .flags
= GENL_ADMIN_PERM
,
10909 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10910 NL80211_FLAG_NEED_RTNL
,
10913 .cmd
= NL80211_CMD_NEW_MPATH
,
10914 .doit
= nl80211_new_mpath
,
10915 .policy
= nl80211_policy
,
10916 .flags
= GENL_ADMIN_PERM
,
10917 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10918 NL80211_FLAG_NEED_RTNL
,
10921 .cmd
= NL80211_CMD_DEL_MPATH
,
10922 .doit
= nl80211_del_mpath
,
10923 .policy
= nl80211_policy
,
10924 .flags
= GENL_ADMIN_PERM
,
10925 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10926 NL80211_FLAG_NEED_RTNL
,
10929 .cmd
= NL80211_CMD_SET_BSS
,
10930 .doit
= nl80211_set_bss
,
10931 .policy
= nl80211_policy
,
10932 .flags
= GENL_ADMIN_PERM
,
10933 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10934 NL80211_FLAG_NEED_RTNL
,
10937 .cmd
= NL80211_CMD_GET_REG
,
10938 .doit
= nl80211_get_reg_do
,
10939 .dumpit
= nl80211_get_reg_dump
,
10940 .policy
= nl80211_policy
,
10941 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10942 /* can be retrieved by unprivileged users */
10944 #ifdef CONFIG_CFG80211_CRDA_SUPPORT
10946 .cmd
= NL80211_CMD_SET_REG
,
10947 .doit
= nl80211_set_reg
,
10948 .policy
= nl80211_policy
,
10949 .flags
= GENL_ADMIN_PERM
,
10950 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10954 .cmd
= NL80211_CMD_REQ_SET_REG
,
10955 .doit
= nl80211_req_set_reg
,
10956 .policy
= nl80211_policy
,
10957 .flags
= GENL_ADMIN_PERM
,
10960 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10961 .doit
= nl80211_get_mesh_config
,
10962 .policy
= nl80211_policy
,
10963 /* can be retrieved by unprivileged users */
10964 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10965 NL80211_FLAG_NEED_RTNL
,
10968 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10969 .doit
= nl80211_update_mesh_config
,
10970 .policy
= nl80211_policy
,
10971 .flags
= GENL_ADMIN_PERM
,
10972 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10973 NL80211_FLAG_NEED_RTNL
,
10976 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
10977 .doit
= nl80211_trigger_scan
,
10978 .policy
= nl80211_policy
,
10979 .flags
= GENL_ADMIN_PERM
,
10980 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10981 NL80211_FLAG_NEED_RTNL
,
10984 .cmd
= NL80211_CMD_ABORT_SCAN
,
10985 .doit
= nl80211_abort_scan
,
10986 .policy
= nl80211_policy
,
10987 .flags
= GENL_ADMIN_PERM
,
10988 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10989 NL80211_FLAG_NEED_RTNL
,
10992 .cmd
= NL80211_CMD_GET_SCAN
,
10993 .policy
= nl80211_policy
,
10994 .dumpit
= nl80211_dump_scan
,
10997 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10998 .doit
= nl80211_start_sched_scan
,
10999 .policy
= nl80211_policy
,
11000 .flags
= GENL_ADMIN_PERM
,
11001 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11002 NL80211_FLAG_NEED_RTNL
,
11005 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
11006 .doit
= nl80211_stop_sched_scan
,
11007 .policy
= nl80211_policy
,
11008 .flags
= GENL_ADMIN_PERM
,
11009 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11010 NL80211_FLAG_NEED_RTNL
,
11013 .cmd
= NL80211_CMD_AUTHENTICATE
,
11014 .doit
= nl80211_authenticate
,
11015 .policy
= nl80211_policy
,
11016 .flags
= GENL_ADMIN_PERM
,
11017 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11018 NL80211_FLAG_NEED_RTNL
|
11019 NL80211_FLAG_CLEAR_SKB
,
11022 .cmd
= NL80211_CMD_ASSOCIATE
,
11023 .doit
= nl80211_associate
,
11024 .policy
= nl80211_policy
,
11025 .flags
= GENL_ADMIN_PERM
,
11026 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11027 NL80211_FLAG_NEED_RTNL
,
11030 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
11031 .doit
= nl80211_deauthenticate
,
11032 .policy
= nl80211_policy
,
11033 .flags
= GENL_ADMIN_PERM
,
11034 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11035 NL80211_FLAG_NEED_RTNL
,
11038 .cmd
= NL80211_CMD_DISASSOCIATE
,
11039 .doit
= nl80211_disassociate
,
11040 .policy
= nl80211_policy
,
11041 .flags
= GENL_ADMIN_PERM
,
11042 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11043 NL80211_FLAG_NEED_RTNL
,
11046 .cmd
= NL80211_CMD_JOIN_IBSS
,
11047 .doit
= nl80211_join_ibss
,
11048 .policy
= nl80211_policy
,
11049 .flags
= GENL_ADMIN_PERM
,
11050 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11051 NL80211_FLAG_NEED_RTNL
,
11054 .cmd
= NL80211_CMD_LEAVE_IBSS
,
11055 .doit
= nl80211_leave_ibss
,
11056 .policy
= nl80211_policy
,
11057 .flags
= GENL_ADMIN_PERM
,
11058 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11059 NL80211_FLAG_NEED_RTNL
,
11061 #ifdef CONFIG_NL80211_TESTMODE
11063 .cmd
= NL80211_CMD_TESTMODE
,
11064 .doit
= nl80211_testmode_do
,
11065 .dumpit
= nl80211_testmode_dump
,
11066 .policy
= nl80211_policy
,
11067 .flags
= GENL_ADMIN_PERM
,
11068 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11069 NL80211_FLAG_NEED_RTNL
,
11073 .cmd
= NL80211_CMD_CONNECT
,
11074 .doit
= nl80211_connect
,
11075 .policy
= nl80211_policy
,
11076 .flags
= GENL_ADMIN_PERM
,
11077 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11078 NL80211_FLAG_NEED_RTNL
,
11081 .cmd
= NL80211_CMD_DISCONNECT
,
11082 .doit
= nl80211_disconnect
,
11083 .policy
= nl80211_policy
,
11084 .flags
= GENL_ADMIN_PERM
,
11085 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11086 NL80211_FLAG_NEED_RTNL
,
11089 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
11090 .doit
= nl80211_wiphy_netns
,
11091 .policy
= nl80211_policy
,
11092 .flags
= GENL_ADMIN_PERM
,
11093 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11094 NL80211_FLAG_NEED_RTNL
,
11097 .cmd
= NL80211_CMD_GET_SURVEY
,
11098 .policy
= nl80211_policy
,
11099 .dumpit
= nl80211_dump_survey
,
11102 .cmd
= NL80211_CMD_SET_PMKSA
,
11103 .doit
= nl80211_setdel_pmksa
,
11104 .policy
= nl80211_policy
,
11105 .flags
= GENL_ADMIN_PERM
,
11106 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11107 NL80211_FLAG_NEED_RTNL
,
11110 .cmd
= NL80211_CMD_DEL_PMKSA
,
11111 .doit
= nl80211_setdel_pmksa
,
11112 .policy
= nl80211_policy
,
11113 .flags
= GENL_ADMIN_PERM
,
11114 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11115 NL80211_FLAG_NEED_RTNL
,
11118 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
11119 .doit
= nl80211_flush_pmksa
,
11120 .policy
= nl80211_policy
,
11121 .flags
= GENL_ADMIN_PERM
,
11122 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11123 NL80211_FLAG_NEED_RTNL
,
11126 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
11127 .doit
= nl80211_remain_on_channel
,
11128 .policy
= nl80211_policy
,
11129 .flags
= GENL_ADMIN_PERM
,
11130 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11131 NL80211_FLAG_NEED_RTNL
,
11134 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11135 .doit
= nl80211_cancel_remain_on_channel
,
11136 .policy
= nl80211_policy
,
11137 .flags
= GENL_ADMIN_PERM
,
11138 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11139 NL80211_FLAG_NEED_RTNL
,
11142 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
11143 .doit
= nl80211_set_tx_bitrate_mask
,
11144 .policy
= nl80211_policy
,
11145 .flags
= GENL_ADMIN_PERM
,
11146 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11147 NL80211_FLAG_NEED_RTNL
,
11150 .cmd
= NL80211_CMD_REGISTER_FRAME
,
11151 .doit
= nl80211_register_mgmt
,
11152 .policy
= nl80211_policy
,
11153 .flags
= GENL_ADMIN_PERM
,
11154 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11155 NL80211_FLAG_NEED_RTNL
,
11158 .cmd
= NL80211_CMD_FRAME
,
11159 .doit
= nl80211_tx_mgmt
,
11160 .policy
= nl80211_policy
,
11161 .flags
= GENL_ADMIN_PERM
,
11162 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11163 NL80211_FLAG_NEED_RTNL
,
11166 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
11167 .doit
= nl80211_tx_mgmt_cancel_wait
,
11168 .policy
= nl80211_policy
,
11169 .flags
= GENL_ADMIN_PERM
,
11170 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11171 NL80211_FLAG_NEED_RTNL
,
11174 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
11175 .doit
= nl80211_set_power_save
,
11176 .policy
= nl80211_policy
,
11177 .flags
= GENL_ADMIN_PERM
,
11178 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11179 NL80211_FLAG_NEED_RTNL
,
11182 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
11183 .doit
= nl80211_get_power_save
,
11184 .policy
= nl80211_policy
,
11185 /* can be retrieved by unprivileged users */
11186 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11187 NL80211_FLAG_NEED_RTNL
,
11190 .cmd
= NL80211_CMD_SET_CQM
,
11191 .doit
= nl80211_set_cqm
,
11192 .policy
= nl80211_policy
,
11193 .flags
= GENL_ADMIN_PERM
,
11194 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11195 NL80211_FLAG_NEED_RTNL
,
11198 .cmd
= NL80211_CMD_SET_CHANNEL
,
11199 .doit
= nl80211_set_channel
,
11200 .policy
= nl80211_policy
,
11201 .flags
= GENL_ADMIN_PERM
,
11202 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11203 NL80211_FLAG_NEED_RTNL
,
11206 .cmd
= NL80211_CMD_SET_WDS_PEER
,
11207 .doit
= nl80211_set_wds_peer
,
11208 .policy
= nl80211_policy
,
11209 .flags
= GENL_ADMIN_PERM
,
11210 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11211 NL80211_FLAG_NEED_RTNL
,
11214 .cmd
= NL80211_CMD_JOIN_MESH
,
11215 .doit
= nl80211_join_mesh
,
11216 .policy
= nl80211_policy
,
11217 .flags
= GENL_ADMIN_PERM
,
11218 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11219 NL80211_FLAG_NEED_RTNL
,
11222 .cmd
= NL80211_CMD_LEAVE_MESH
,
11223 .doit
= nl80211_leave_mesh
,
11224 .policy
= nl80211_policy
,
11225 .flags
= GENL_ADMIN_PERM
,
11226 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11227 NL80211_FLAG_NEED_RTNL
,
11230 .cmd
= NL80211_CMD_JOIN_OCB
,
11231 .doit
= nl80211_join_ocb
,
11232 .policy
= nl80211_policy
,
11233 .flags
= GENL_ADMIN_PERM
,
11234 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11235 NL80211_FLAG_NEED_RTNL
,
11238 .cmd
= NL80211_CMD_LEAVE_OCB
,
11239 .doit
= nl80211_leave_ocb
,
11240 .policy
= nl80211_policy
,
11241 .flags
= GENL_ADMIN_PERM
,
11242 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11243 NL80211_FLAG_NEED_RTNL
,
11247 .cmd
= NL80211_CMD_GET_WOWLAN
,
11248 .doit
= nl80211_get_wowlan
,
11249 .policy
= nl80211_policy
,
11250 /* can be retrieved by unprivileged users */
11251 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11252 NL80211_FLAG_NEED_RTNL
,
11255 .cmd
= NL80211_CMD_SET_WOWLAN
,
11256 .doit
= nl80211_set_wowlan
,
11257 .policy
= nl80211_policy
,
11258 .flags
= GENL_ADMIN_PERM
,
11259 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11260 NL80211_FLAG_NEED_RTNL
,
11264 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
11265 .doit
= nl80211_set_rekey_data
,
11266 .policy
= nl80211_policy
,
11267 .flags
= GENL_ADMIN_PERM
,
11268 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11269 NL80211_FLAG_NEED_RTNL
|
11270 NL80211_FLAG_CLEAR_SKB
,
11273 .cmd
= NL80211_CMD_TDLS_MGMT
,
11274 .doit
= nl80211_tdls_mgmt
,
11275 .policy
= nl80211_policy
,
11276 .flags
= GENL_ADMIN_PERM
,
11277 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11278 NL80211_FLAG_NEED_RTNL
,
11281 .cmd
= NL80211_CMD_TDLS_OPER
,
11282 .doit
= nl80211_tdls_oper
,
11283 .policy
= nl80211_policy
,
11284 .flags
= GENL_ADMIN_PERM
,
11285 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11286 NL80211_FLAG_NEED_RTNL
,
11289 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
11290 .doit
= nl80211_register_unexpected_frame
,
11291 .policy
= nl80211_policy
,
11292 .flags
= GENL_ADMIN_PERM
,
11293 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11294 NL80211_FLAG_NEED_RTNL
,
11297 .cmd
= NL80211_CMD_PROBE_CLIENT
,
11298 .doit
= nl80211_probe_client
,
11299 .policy
= nl80211_policy
,
11300 .flags
= GENL_ADMIN_PERM
,
11301 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11302 NL80211_FLAG_NEED_RTNL
,
11305 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
11306 .doit
= nl80211_register_beacons
,
11307 .policy
= nl80211_policy
,
11308 .flags
= GENL_ADMIN_PERM
,
11309 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11310 NL80211_FLAG_NEED_RTNL
,
11313 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
11314 .doit
= nl80211_set_noack_map
,
11315 .policy
= nl80211_policy
,
11316 .flags
= GENL_ADMIN_PERM
,
11317 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11318 NL80211_FLAG_NEED_RTNL
,
11321 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
11322 .doit
= nl80211_start_p2p_device
,
11323 .policy
= nl80211_policy
,
11324 .flags
= GENL_ADMIN_PERM
,
11325 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
11326 NL80211_FLAG_NEED_RTNL
,
11329 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
11330 .doit
= nl80211_stop_p2p_device
,
11331 .policy
= nl80211_policy
,
11332 .flags
= GENL_ADMIN_PERM
,
11333 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11334 NL80211_FLAG_NEED_RTNL
,
11337 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
11338 .doit
= nl80211_set_mcast_rate
,
11339 .policy
= nl80211_policy
,
11340 .flags
= GENL_ADMIN_PERM
,
11341 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11342 NL80211_FLAG_NEED_RTNL
,
11345 .cmd
= NL80211_CMD_SET_MAC_ACL
,
11346 .doit
= nl80211_set_mac_acl
,
11347 .policy
= nl80211_policy
,
11348 .flags
= GENL_ADMIN_PERM
,
11349 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
11350 NL80211_FLAG_NEED_RTNL
,
11353 .cmd
= NL80211_CMD_RADAR_DETECT
,
11354 .doit
= nl80211_start_radar_detection
,
11355 .policy
= nl80211_policy
,
11356 .flags
= GENL_ADMIN_PERM
,
11357 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11358 NL80211_FLAG_NEED_RTNL
,
11361 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
11362 .doit
= nl80211_get_protocol_features
,
11363 .policy
= nl80211_policy
,
11366 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
11367 .doit
= nl80211_update_ft_ies
,
11368 .policy
= nl80211_policy
,
11369 .flags
= GENL_ADMIN_PERM
,
11370 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11371 NL80211_FLAG_NEED_RTNL
,
11374 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
11375 .doit
= nl80211_crit_protocol_start
,
11376 .policy
= nl80211_policy
,
11377 .flags
= GENL_ADMIN_PERM
,
11378 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11379 NL80211_FLAG_NEED_RTNL
,
11382 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
11383 .doit
= nl80211_crit_protocol_stop
,
11384 .policy
= nl80211_policy
,
11385 .flags
= GENL_ADMIN_PERM
,
11386 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
11387 NL80211_FLAG_NEED_RTNL
,
11390 .cmd
= NL80211_CMD_GET_COALESCE
,
11391 .doit
= nl80211_get_coalesce
,
11392 .policy
= nl80211_policy
,
11393 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11394 NL80211_FLAG_NEED_RTNL
,
11397 .cmd
= NL80211_CMD_SET_COALESCE
,
11398 .doit
= nl80211_set_coalesce
,
11399 .policy
= nl80211_policy
,
11400 .flags
= GENL_ADMIN_PERM
,
11401 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11402 NL80211_FLAG_NEED_RTNL
,
11405 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
11406 .doit
= nl80211_channel_switch
,
11407 .policy
= nl80211_policy
,
11408 .flags
= GENL_ADMIN_PERM
,
11409 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11410 NL80211_FLAG_NEED_RTNL
,
11413 .cmd
= NL80211_CMD_VENDOR
,
11414 .doit
= nl80211_vendor_cmd
,
11415 .dumpit
= nl80211_vendor_cmd_dump
,
11416 .policy
= nl80211_policy
,
11417 .flags
= GENL_ADMIN_PERM
,
11418 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11419 NL80211_FLAG_NEED_RTNL
,
11422 .cmd
= NL80211_CMD_SET_QOS_MAP
,
11423 .doit
= nl80211_set_qos_map
,
11424 .policy
= nl80211_policy
,
11425 .flags
= GENL_ADMIN_PERM
,
11426 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11427 NL80211_FLAG_NEED_RTNL
,
11430 .cmd
= NL80211_CMD_ADD_TX_TS
,
11431 .doit
= nl80211_add_tx_ts
,
11432 .policy
= nl80211_policy
,
11433 .flags
= GENL_ADMIN_PERM
,
11434 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11435 NL80211_FLAG_NEED_RTNL
,
11438 .cmd
= NL80211_CMD_DEL_TX_TS
,
11439 .doit
= nl80211_del_tx_ts
,
11440 .policy
= nl80211_policy
,
11441 .flags
= GENL_ADMIN_PERM
,
11442 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11443 NL80211_FLAG_NEED_RTNL
,
11446 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
11447 .doit
= nl80211_tdls_channel_switch
,
11448 .policy
= nl80211_policy
,
11449 .flags
= GENL_ADMIN_PERM
,
11450 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11451 NL80211_FLAG_NEED_RTNL
,
11454 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
11455 .doit
= nl80211_tdls_cancel_channel_switch
,
11456 .policy
= nl80211_policy
,
11457 .flags
= GENL_ADMIN_PERM
,
11458 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11459 NL80211_FLAG_NEED_RTNL
,
11463 /* notification functions */
11465 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
11466 enum nl80211_commands cmd
)
11468 struct sk_buff
*msg
;
11469 struct nl80211_dump_wiphy_state state
= {};
11471 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
11472 cmd
!= NL80211_CMD_DEL_WIPHY
);
11474 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11478 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
11483 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11484 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
11487 static int nl80211_add_scan_req(struct sk_buff
*msg
,
11488 struct cfg80211_registered_device
*rdev
)
11490 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
11491 struct nlattr
*nest
;
11497 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
11499 goto nla_put_failure
;
11500 for (i
= 0; i
< req
->n_ssids
; i
++) {
11501 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
11502 goto nla_put_failure
;
11504 nla_nest_end(msg
, nest
);
11506 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
11508 goto nla_put_failure
;
11509 for (i
= 0; i
< req
->n_channels
; i
++) {
11510 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
11511 goto nla_put_failure
;
11513 nla_nest_end(msg
, nest
);
11516 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
11517 goto nla_put_failure
;
11520 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
11521 goto nla_put_failure
;
11528 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
11529 struct cfg80211_registered_device
*rdev
,
11530 struct wireless_dev
*wdev
,
11531 u32 portid
, u32 seq
, int flags
,
11536 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11540 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11541 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11542 wdev
->netdev
->ifindex
)) ||
11543 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11544 goto nla_put_failure
;
11546 /* ignore errors and send incomplete event anyway */
11547 nl80211_add_scan_req(msg
, rdev
);
11549 genlmsg_end(msg
, hdr
);
11553 genlmsg_cancel(msg
, hdr
);
11558 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
11559 struct cfg80211_registered_device
*rdev
,
11560 struct net_device
*netdev
,
11561 u32 portid
, u32 seq
, int flags
, u32 cmd
)
11565 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11569 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11570 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11571 goto nla_put_failure
;
11573 genlmsg_end(msg
, hdr
);
11577 genlmsg_cancel(msg
, hdr
);
11581 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
11582 struct wireless_dev
*wdev
)
11584 struct sk_buff
*msg
;
11586 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11590 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11591 NL80211_CMD_TRIGGER_SCAN
) < 0) {
11596 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11597 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11600 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
11601 struct wireless_dev
*wdev
, bool aborted
)
11603 struct sk_buff
*msg
;
11605 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11609 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11610 aborted
? NL80211_CMD_SCAN_ABORTED
:
11611 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
11619 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
11620 struct sk_buff
*msg
)
11625 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11626 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11629 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
11630 struct net_device
*netdev
)
11632 struct sk_buff
*msg
;
11634 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11638 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
11639 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
11644 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11645 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11648 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
11649 struct net_device
*netdev
, u32 cmd
)
11651 struct sk_buff
*msg
;
11653 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11657 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
11662 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11663 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11666 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
11667 struct regulatory_request
*request
)
11669 /* Userspace can always count this one always being set */
11670 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
11671 goto nla_put_failure
;
11673 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
11674 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11675 NL80211_REGDOM_TYPE_WORLD
))
11676 goto nla_put_failure
;
11677 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
11678 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11679 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
11680 goto nla_put_failure
;
11681 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
11682 request
->intersect
) {
11683 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11684 NL80211_REGDOM_TYPE_INTERSECTION
))
11685 goto nla_put_failure
;
11687 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11688 NL80211_REGDOM_TYPE_COUNTRY
) ||
11689 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
11691 goto nla_put_failure
;
11694 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
11695 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
11698 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
11699 goto nla_put_failure
;
11702 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
11703 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
11704 goto nla_put_failure
;
11714 * This can happen on global regulatory changes or device specific settings
11715 * based on custom regulatory domains.
11717 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
11718 struct regulatory_request
*request
)
11720 struct sk_buff
*msg
;
11723 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11727 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
11733 if (nl80211_reg_change_event_fill(msg
, request
) == false)
11734 goto nla_put_failure
;
11736 genlmsg_end(msg
, hdr
);
11739 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11740 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11746 genlmsg_cancel(msg
, hdr
);
11750 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11751 struct net_device
*netdev
,
11752 const u8
*buf
, size_t len
,
11753 enum nl80211_commands cmd
, gfp_t gfp
,
11756 struct sk_buff
*msg
;
11759 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11763 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11769 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11770 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11771 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11772 goto nla_put_failure
;
11774 if (uapsd_queues
>= 0) {
11775 struct nlattr
*nla_wmm
=
11776 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11778 goto nla_put_failure
;
11780 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11782 goto nla_put_failure
;
11784 nla_nest_end(msg
, nla_wmm
);
11787 genlmsg_end(msg
, hdr
);
11789 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11790 NL80211_MCGRP_MLME
, gfp
);
11794 genlmsg_cancel(msg
, hdr
);
11798 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11799 struct net_device
*netdev
, const u8
*buf
,
11800 size_t len
, gfp_t gfp
)
11802 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11803 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11806 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11807 struct net_device
*netdev
, const u8
*buf
,
11808 size_t len
, gfp_t gfp
, int uapsd_queues
)
11810 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11811 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11814 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11815 struct net_device
*netdev
, const u8
*buf
,
11816 size_t len
, gfp_t gfp
)
11818 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11819 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11822 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11823 struct net_device
*netdev
, const u8
*buf
,
11824 size_t len
, gfp_t gfp
)
11826 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11827 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11830 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11833 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11834 struct wiphy
*wiphy
= wdev
->wiphy
;
11835 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11836 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11839 if (WARN_ON(len
< 2))
11842 if (ieee80211_is_deauth(mgmt
->frame_control
))
11843 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11845 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11847 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11848 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11850 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11852 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11853 struct net_device
*netdev
, int cmd
,
11854 const u8
*addr
, gfp_t gfp
)
11856 struct sk_buff
*msg
;
11859 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11863 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11869 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11870 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11871 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11872 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11873 goto nla_put_failure
;
11875 genlmsg_end(msg
, hdr
);
11877 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11878 NL80211_MCGRP_MLME
, gfp
);
11882 genlmsg_cancel(msg
, hdr
);
11886 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11887 struct net_device
*netdev
, const u8
*addr
,
11890 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11894 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11895 struct net_device
*netdev
, const u8
*addr
,
11898 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11902 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11903 struct net_device
*netdev
, const u8
*bssid
,
11904 const u8
*req_ie
, size_t req_ie_len
,
11905 const u8
*resp_ie
, size_t resp_ie_len
,
11906 u16 status
, gfp_t gfp
)
11908 struct sk_buff
*msg
;
11911 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11915 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11921 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11922 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11923 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11924 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11926 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11928 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11929 goto nla_put_failure
;
11931 genlmsg_end(msg
, hdr
);
11933 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11934 NL80211_MCGRP_MLME
, gfp
);
11938 genlmsg_cancel(msg
, hdr
);
11943 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11944 struct net_device
*netdev
, const u8
*bssid
,
11945 const u8
*req_ie
, size_t req_ie_len
,
11946 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11948 struct sk_buff
*msg
;
11951 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11955 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11961 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11962 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11963 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11965 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11967 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11968 goto nla_put_failure
;
11970 genlmsg_end(msg
, hdr
);
11972 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11973 NL80211_MCGRP_MLME
, gfp
);
11977 genlmsg_cancel(msg
, hdr
);
11982 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11983 struct net_device
*netdev
, u16 reason
,
11984 const u8
*ie
, size_t ie_len
, bool from_ap
)
11986 struct sk_buff
*msg
;
11989 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11993 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11999 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12000 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12001 (from_ap
&& reason
&&
12002 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
12004 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
12005 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
12006 goto nla_put_failure
;
12008 genlmsg_end(msg
, hdr
);
12010 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12011 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12015 genlmsg_cancel(msg
, hdr
);
12020 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
12021 struct net_device
*netdev
, const u8
*bssid
,
12024 struct sk_buff
*msg
;
12027 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12031 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
12037 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12038 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12039 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12040 goto nla_put_failure
;
12042 genlmsg_end(msg
, hdr
);
12044 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12045 NL80211_MCGRP_MLME
, gfp
);
12049 genlmsg_cancel(msg
, hdr
);
12053 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
12054 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
12056 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12057 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12058 struct sk_buff
*msg
;
12061 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
12064 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
12066 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12070 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
12076 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12077 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12078 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12080 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
12081 goto nla_put_failure
;
12083 genlmsg_end(msg
, hdr
);
12085 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12086 NL80211_MCGRP_MLME
, gfp
);
12090 genlmsg_cancel(msg
, hdr
);
12093 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
12095 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
12096 struct net_device
*netdev
, const u8
*addr
,
12097 enum nl80211_key_type key_type
, int key_id
,
12098 const u8
*tsc
, gfp_t gfp
)
12100 struct sk_buff
*msg
;
12103 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12107 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
12113 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12114 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12115 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
12116 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
12118 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
12119 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
12120 goto nla_put_failure
;
12122 genlmsg_end(msg
, hdr
);
12124 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12125 NL80211_MCGRP_MLME
, gfp
);
12129 genlmsg_cancel(msg
, hdr
);
12133 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
12134 struct ieee80211_channel
*channel_before
,
12135 struct ieee80211_channel
*channel_after
)
12137 struct sk_buff
*msg
;
12139 struct nlattr
*nl_freq
;
12141 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
12145 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
12152 * Since we are applying the beacon hint to a wiphy we know its
12153 * wiphy_idx is valid
12155 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
12156 goto nla_put_failure
;
12159 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
12161 goto nla_put_failure
;
12162 if (nl80211_msg_put_channel(msg
, channel_before
, false))
12163 goto nla_put_failure
;
12164 nla_nest_end(msg
, nl_freq
);
12167 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
12169 goto nla_put_failure
;
12170 if (nl80211_msg_put_channel(msg
, channel_after
, false))
12171 goto nla_put_failure
;
12172 nla_nest_end(msg
, nl_freq
);
12174 genlmsg_end(msg
, hdr
);
12177 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
12178 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
12184 genlmsg_cancel(msg
, hdr
);
12188 static void nl80211_send_remain_on_chan_event(
12189 int cmd
, struct cfg80211_registered_device
*rdev
,
12190 struct wireless_dev
*wdev
, u64 cookie
,
12191 struct ieee80211_channel
*chan
,
12192 unsigned int duration
, gfp_t gfp
)
12194 struct sk_buff
*msg
;
12197 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12201 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12207 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12208 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12209 wdev
->netdev
->ifindex
)) ||
12210 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
12211 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
12212 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
12213 NL80211_CHAN_NO_HT
) ||
12214 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
12215 goto nla_put_failure
;
12217 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
12218 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
12219 goto nla_put_failure
;
12221 genlmsg_end(msg
, hdr
);
12223 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12224 NL80211_MCGRP_MLME
, gfp
);
12228 genlmsg_cancel(msg
, hdr
);
12232 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
12233 struct ieee80211_channel
*chan
,
12234 unsigned int duration
, gfp_t gfp
)
12236 struct wiphy
*wiphy
= wdev
->wiphy
;
12237 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12239 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
12240 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
12241 rdev
, wdev
, cookie
, chan
,
12244 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
12246 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
12247 struct ieee80211_channel
*chan
,
12250 struct wiphy
*wiphy
= wdev
->wiphy
;
12251 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12253 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
12254 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
12255 rdev
, wdev
, cookie
, chan
, 0, gfp
);
12257 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
12259 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
12260 struct station_info
*sinfo
, gfp_t gfp
)
12262 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12263 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12264 struct sk_buff
*msg
;
12266 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
12268 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12272 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
12273 rdev
, dev
, mac_addr
, sinfo
) < 0) {
12278 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12279 NL80211_MCGRP_MLME
, gfp
);
12281 EXPORT_SYMBOL(cfg80211_new_sta
);
12283 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
12284 struct station_info
*sinfo
, gfp_t gfp
)
12286 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12287 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12288 struct sk_buff
*msg
;
12289 struct station_info empty_sinfo
= {};
12292 sinfo
= &empty_sinfo
;
12294 trace_cfg80211_del_sta(dev
, mac_addr
);
12296 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12300 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
12301 rdev
, dev
, mac_addr
, sinfo
) < 0) {
12306 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12307 NL80211_MCGRP_MLME
, gfp
);
12309 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
12311 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
12312 enum nl80211_connect_failed_reason reason
,
12315 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
12316 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12317 struct sk_buff
*msg
;
12320 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
12324 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
12330 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12331 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
12332 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
12333 goto nla_put_failure
;
12335 genlmsg_end(msg
, hdr
);
12337 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12338 NL80211_MCGRP_MLME
, gfp
);
12342 genlmsg_cancel(msg
, hdr
);
12345 EXPORT_SYMBOL(cfg80211_conn_failed
);
12347 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
12348 const u8
*addr
, gfp_t gfp
)
12350 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12351 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12352 struct sk_buff
*msg
;
12354 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
12359 msg
= nlmsg_new(100, gfp
);
12363 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
12369 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12370 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12371 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
12372 goto nla_put_failure
;
12374 genlmsg_end(msg
, hdr
);
12375 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12379 genlmsg_cancel(msg
, hdr
);
12384 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
12385 const u8
*addr
, gfp_t gfp
)
12387 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12390 trace_cfg80211_rx_spurious_frame(dev
, addr
);
12392 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12393 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
12394 trace_cfg80211_return_bool(false);
12397 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
12399 trace_cfg80211_return_bool(ret
);
12402 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
12404 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
12405 const u8
*addr
, gfp_t gfp
)
12407 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12410 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
12412 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
12413 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
12414 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
12415 trace_cfg80211_return_bool(false);
12418 ret
= __nl80211_unexpected_frame(dev
,
12419 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
12421 trace_cfg80211_return_bool(ret
);
12424 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
12426 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
12427 struct wireless_dev
*wdev
, u32 nlportid
,
12428 int freq
, int sig_dbm
,
12429 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
12431 struct net_device
*netdev
= wdev
->netdev
;
12432 struct sk_buff
*msg
;
12435 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12439 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12445 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12446 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12447 netdev
->ifindex
)) ||
12448 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
12449 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
12451 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12452 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12454 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
12455 goto nla_put_failure
;
12457 genlmsg_end(msg
, hdr
);
12459 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12462 genlmsg_cancel(msg
, hdr
);
12467 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
12468 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
12470 struct wiphy
*wiphy
= wdev
->wiphy
;
12471 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12472 struct net_device
*netdev
= wdev
->netdev
;
12473 struct sk_buff
*msg
;
12476 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
12478 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12482 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
12488 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12489 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12490 netdev
->ifindex
)) ||
12491 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
12492 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12493 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12494 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12495 goto nla_put_failure
;
12497 genlmsg_end(msg
, hdr
);
12499 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12500 NL80211_MCGRP_MLME
, gfp
);
12504 genlmsg_cancel(msg
, hdr
);
12507 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
12509 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
12510 const char *mac
, gfp_t gfp
)
12512 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12513 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12514 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12520 cb
= (void **)msg
->cb
;
12522 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
12528 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12529 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
12530 goto nla_put_failure
;
12532 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
12533 goto nla_put_failure
;
12535 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
12537 goto nla_put_failure
;
12547 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
12549 void **cb
= (void **)msg
->cb
;
12550 struct cfg80211_registered_device
*rdev
= cb
[2];
12552 nla_nest_end(msg
, cb
[1]);
12553 genlmsg_end(msg
, cb
[0]);
12555 memset(msg
->cb
, 0, sizeof(msg
->cb
));
12557 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12558 NL80211_MCGRP_MLME
, gfp
);
12561 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
12562 enum nl80211_cqm_rssi_threshold_event rssi_event
,
12565 struct sk_buff
*msg
;
12567 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
12569 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
12570 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
12573 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12577 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
12579 goto nla_put_failure
;
12581 cfg80211_send_cqm(msg
, gfp
);
12588 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
12590 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
12591 const u8
*peer
, u32 num_packets
,
12592 u32 rate
, u32 intvl
, gfp_t gfp
)
12594 struct sk_buff
*msg
;
12596 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12600 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12601 goto nla_put_failure
;
12603 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12604 goto nla_put_failure
;
12606 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12607 goto nla_put_failure
;
12609 cfg80211_send_cqm(msg
, gfp
);
12615 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12617 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12618 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12620 struct sk_buff
*msg
;
12622 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12624 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12628 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12629 goto nla_put_failure
;
12631 cfg80211_send_cqm(msg
, gfp
);
12637 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12639 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
12641 struct sk_buff
*msg
;
12643 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12647 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
12648 goto nla_put_failure
;
12650 cfg80211_send_cqm(msg
, gfp
);
12656 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
12658 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
12659 struct net_device
*netdev
, const u8
*bssid
,
12660 const u8
*replay_ctr
, gfp_t gfp
)
12662 struct sk_buff
*msg
;
12663 struct nlattr
*rekey_attr
;
12666 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12670 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
12676 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12677 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12678 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12679 goto nla_put_failure
;
12681 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
12683 goto nla_put_failure
;
12685 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
12686 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
12687 goto nla_put_failure
;
12689 nla_nest_end(msg
, rekey_attr
);
12691 genlmsg_end(msg
, hdr
);
12693 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12694 NL80211_MCGRP_MLME
, gfp
);
12698 genlmsg_cancel(msg
, hdr
);
12702 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
12703 const u8
*replay_ctr
, gfp_t gfp
)
12705 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12706 struct wiphy
*wiphy
= wdev
->wiphy
;
12707 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12709 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
12710 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
12712 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
12715 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
12716 struct net_device
*netdev
, int index
,
12717 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12719 struct sk_buff
*msg
;
12720 struct nlattr
*attr
;
12723 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12727 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
12733 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12734 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12735 goto nla_put_failure
;
12737 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
12739 goto nla_put_failure
;
12741 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12742 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12744 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12745 goto nla_put_failure
;
12747 nla_nest_end(msg
, attr
);
12749 genlmsg_end(msg
, hdr
);
12751 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12752 NL80211_MCGRP_MLME
, gfp
);
12756 genlmsg_cancel(msg
, hdr
);
12760 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12761 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12763 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12764 struct wiphy
*wiphy
= wdev
->wiphy
;
12765 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12767 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12768 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12770 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12772 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12773 struct net_device
*netdev
,
12774 struct cfg80211_chan_def
*chandef
,
12776 enum nl80211_commands notif
,
12779 struct sk_buff
*msg
;
12782 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12786 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12792 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12793 goto nla_put_failure
;
12795 if (nl80211_send_chandef(msg
, chandef
))
12796 goto nla_put_failure
;
12798 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12799 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12800 goto nla_put_failure
;
12802 genlmsg_end(msg
, hdr
);
12804 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12805 NL80211_MCGRP_MLME
, gfp
);
12809 genlmsg_cancel(msg
, hdr
);
12813 void cfg80211_ch_switch_notify(struct net_device
*dev
,
12814 struct cfg80211_chan_def
*chandef
)
12816 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12817 struct wiphy
*wiphy
= wdev
->wiphy
;
12818 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12820 ASSERT_WDEV_LOCK(wdev
);
12822 trace_cfg80211_ch_switch_notify(dev
, chandef
);
12824 wdev
->chandef
= *chandef
;
12825 wdev
->preset_chandef
= *chandef
;
12826 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12827 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
12829 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
12831 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
12832 struct cfg80211_chan_def
*chandef
,
12835 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12836 struct wiphy
*wiphy
= wdev
->wiphy
;
12837 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12839 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
12841 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12842 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
12844 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
12847 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12848 const struct cfg80211_chan_def
*chandef
,
12849 enum nl80211_radar_event event
,
12850 struct net_device
*netdev
, gfp_t gfp
)
12852 struct sk_buff
*msg
;
12855 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12859 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12865 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12866 goto nla_put_failure
;
12868 /* NOP and radar events don't need a netdev parameter */
12870 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12872 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12873 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12874 goto nla_put_failure
;
12877 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12878 goto nla_put_failure
;
12880 if (nl80211_send_chandef(msg
, chandef
))
12881 goto nla_put_failure
;
12883 genlmsg_end(msg
, hdr
);
12885 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12886 NL80211_MCGRP_MLME
, gfp
);
12890 genlmsg_cancel(msg
, hdr
);
12894 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12895 u64 cookie
, bool acked
, gfp_t gfp
)
12897 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12898 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12899 struct sk_buff
*msg
;
12902 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12904 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12909 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12915 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12916 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12917 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12918 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12919 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12920 goto nla_put_failure
;
12922 genlmsg_end(msg
, hdr
);
12924 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12925 NL80211_MCGRP_MLME
, gfp
);
12929 genlmsg_cancel(msg
, hdr
);
12932 EXPORT_SYMBOL(cfg80211_probe_status
);
12934 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12935 const u8
*frame
, size_t len
,
12936 int freq
, int sig_dbm
)
12938 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12939 struct sk_buff
*msg
;
12941 struct cfg80211_beacon_registration
*reg
;
12943 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12945 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12946 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12947 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12949 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12953 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12955 goto nla_put_failure
;
12957 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12959 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12961 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12962 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12963 goto nla_put_failure
;
12965 genlmsg_end(msg
, hdr
);
12967 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12969 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12973 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12975 genlmsg_cancel(msg
, hdr
);
12978 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12981 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12982 struct cfg80211_wowlan_wakeup
*wakeup
)
12984 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12985 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12988 nl_results
= nla_nest_start(
12989 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12993 for (i
= 0; i
< nd
->n_matches
; i
++) {
12994 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12996 nl_match
= nla_nest_start(msg
, i
);
13000 /* The SSID attribute is optional in nl80211, but for
13001 * simplicity reasons it's always present in the
13002 * cfg80211 structure. If a driver can't pass the
13003 * SSID, that needs to be changed. A zero length SSID
13004 * is still a valid SSID (wildcard), so it cannot be
13005 * used for this purpose.
13007 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
13008 match
->ssid
.ssid
)) {
13009 nla_nest_cancel(msg
, nl_match
);
13013 if (match
->n_channels
) {
13014 nl_freqs
= nla_nest_start(
13015 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
13017 nla_nest_cancel(msg
, nl_match
);
13021 for (j
= 0; j
< match
->n_channels
; j
++) {
13022 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
13023 nla_nest_cancel(msg
, nl_freqs
);
13024 nla_nest_cancel(msg
, nl_match
);
13029 nla_nest_end(msg
, nl_freqs
);
13032 nla_nest_end(msg
, nl_match
);
13036 nla_nest_end(msg
, nl_results
);
13040 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
13041 struct cfg80211_wowlan_wakeup
*wakeup
,
13044 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13045 struct sk_buff
*msg
;
13049 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
13052 size
+= wakeup
->packet_present_len
;
13054 msg
= nlmsg_new(size
, gfp
);
13058 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
13062 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13063 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
13066 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
13067 wdev
->netdev
->ifindex
))
13071 struct nlattr
*reasons
;
13073 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
13077 if (wakeup
->disconnect
&&
13078 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
13080 if (wakeup
->magic_pkt
&&
13081 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
13083 if (wakeup
->gtk_rekey_failure
&&
13084 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
13086 if (wakeup
->eap_identity_req
&&
13087 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
13089 if (wakeup
->four_way_handshake
&&
13090 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
13092 if (wakeup
->rfkill_release
&&
13093 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
13096 if (wakeup
->pattern_idx
>= 0 &&
13097 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
13098 wakeup
->pattern_idx
))
13101 if (wakeup
->tcp_match
&&
13102 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
13105 if (wakeup
->tcp_connlost
&&
13106 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
13109 if (wakeup
->tcp_nomoretokens
&&
13111 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
13114 if (wakeup
->packet
) {
13115 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
13116 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
13118 if (!wakeup
->packet_80211
) {
13120 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
13122 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
13125 if (wakeup
->packet_len
&&
13126 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
13129 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
13134 if (wakeup
->net_detect
&&
13135 cfg80211_net_detect_results(msg
, wakeup
))
13138 nla_nest_end(msg
, reasons
);
13141 genlmsg_end(msg
, hdr
);
13143 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13144 NL80211_MCGRP_MLME
, gfp
);
13150 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
13153 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
13154 enum nl80211_tdls_operation oper
,
13155 u16 reason_code
, gfp_t gfp
)
13157 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
13158 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
13159 struct sk_buff
*msg
;
13162 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
13165 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13169 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
13175 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13176 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
13177 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
13178 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
13179 (reason_code
> 0 &&
13180 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
13181 goto nla_put_failure
;
13183 genlmsg_end(msg
, hdr
);
13185 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13186 NL80211_MCGRP_MLME
, gfp
);
13190 genlmsg_cancel(msg
, hdr
);
13193 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
13195 static int nl80211_netlink_notify(struct notifier_block
* nb
,
13196 unsigned long state
,
13199 struct netlink_notify
*notify
= _notify
;
13200 struct cfg80211_registered_device
*rdev
;
13201 struct wireless_dev
*wdev
;
13202 struct cfg80211_beacon_registration
*reg
, *tmp
;
13204 if (state
!= NETLINK_URELEASE
)
13205 return NOTIFY_DONE
;
13209 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
13210 bool schedule_destroy_work
= false;
13211 bool schedule_scan_stop
= false;
13212 struct cfg80211_sched_scan_request
*sched_scan_req
=
13213 rcu_dereference(rdev
->sched_scan_req
);
13215 if (sched_scan_req
&& notify
->portid
&&
13216 sched_scan_req
->owner_nlportid
== notify
->portid
)
13217 schedule_scan_stop
= true;
13219 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
13220 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
13222 if (wdev
->owner_nlportid
== notify
->portid
)
13223 schedule_destroy_work
= true;
13226 spin_lock_bh(&rdev
->beacon_registrations_lock
);
13227 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
13229 if (reg
->nlportid
== notify
->portid
) {
13230 list_del(®
->list
);
13235 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
13237 if (schedule_destroy_work
) {
13238 struct cfg80211_iface_destroy
*destroy
;
13240 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
13242 destroy
->nlportid
= notify
->portid
;
13243 spin_lock(&rdev
->destroy_list_lock
);
13244 list_add(&destroy
->list
, &rdev
->destroy_list
);
13245 spin_unlock(&rdev
->destroy_list_lock
);
13246 schedule_work(&rdev
->destroy_work
);
13248 } else if (schedule_scan_stop
) {
13249 sched_scan_req
->owner_nlportid
= 0;
13251 if (rdev
->ops
->sched_scan_stop
&&
13252 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
13253 schedule_work(&rdev
->sched_scan_stop_wk
);
13260 * It is possible that the user space process that is controlling the
13261 * indoor setting disappeared, so notify the regulatory core.
13263 regulatory_netlink_notify(notify
->portid
);
13267 static struct notifier_block nl80211_netlink_notifier
= {
13268 .notifier_call
= nl80211_netlink_notify
,
13271 void cfg80211_ft_event(struct net_device
*netdev
,
13272 struct cfg80211_ft_event_params
*ft_event
)
13274 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
13275 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13276 struct sk_buff
*msg
;
13279 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
13281 if (!ft_event
->target_ap
)
13284 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13288 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
13292 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13293 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
13294 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
13297 if (ft_event
->ies
&&
13298 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
13300 if (ft_event
->ric_ies
&&
13301 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
13302 ft_event
->ric_ies
))
13305 genlmsg_end(msg
, hdr
);
13307 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
13308 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13313 EXPORT_SYMBOL(cfg80211_ft_event
);
13315 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
13317 struct cfg80211_registered_device
*rdev
;
13318 struct sk_buff
*msg
;
13322 rdev
= wiphy_to_rdev(wdev
->wiphy
);
13323 if (!rdev
->crit_proto_nlportid
)
13326 nlportid
= rdev
->crit_proto_nlportid
;
13327 rdev
->crit_proto_nlportid
= 0;
13329 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
13333 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
13335 goto nla_put_failure
;
13337 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13338 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
13339 goto nla_put_failure
;
13341 genlmsg_end(msg
, hdr
);
13343 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
13348 genlmsg_cancel(msg
, hdr
);
13352 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
13354 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
13356 struct wiphy
*wiphy
= wdev
->wiphy
;
13357 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
13358 struct sk_buff
*msg
;
13361 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
13365 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
13369 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
13370 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
13371 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
13374 genlmsg_end(msg
, hdr
);
13376 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
13377 NL80211_MCGRP_MLME
, GFP_KERNEL
);
13383 /* initialisation/exit functions */
13385 int nl80211_init(void)
13389 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
13394 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
13400 genl_unregister_family(&nl80211_fam
);
13404 void nl80211_exit(void)
13406 netlink_unregister_notifier(&nl80211_netlink_notifier
);
13407 genl_unregister_family(&nl80211_fam
);