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
9 #include <linux/module.h>
10 #include <linux/err.h>
11 #include <linux/slab.h>
12 #include <linux/list.h>
13 #include <linux/if_ether.h>
14 #include <linux/ieee80211.h>
15 #include <linux/nl80211.h>
16 #include <linux/rtnetlink.h>
17 #include <linux/netlink.h>
18 #include <linux/etherdevice.h>
19 #include <net/net_namespace.h>
20 #include <net/genetlink.h>
21 #include <net/cfg80211.h>
23 #include <net/inet_connection_sock.h>
29 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
30 struct genl_info
*info
,
31 struct cfg80211_crypto_settings
*settings
,
34 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
35 struct genl_info
*info
);
36 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
37 struct genl_info
*info
);
39 /* the netlink family */
40 static struct genl_family nl80211_fam
= {
41 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
42 .name
= NL80211_GENL_NAME
, /* have users key off the name instead */
43 .hdrsize
= 0, /* no private header */
44 .version
= 1, /* no particular meaning now */
45 .maxattr
= NL80211_ATTR_MAX
,
47 .pre_doit
= nl80211_pre_doit
,
48 .post_doit
= nl80211_post_doit
,
51 /* multicast groups */
52 enum nl80211_multicast_groups
{
55 NL80211_MCGRP_REGULATORY
,
58 NL80211_MCGRP_TESTMODE
/* keep last - ifdef! */
61 static const struct genl_multicast_group nl80211_mcgrps
[] = {
62 [NL80211_MCGRP_CONFIG
] = { .name
= NL80211_MULTICAST_GROUP_CONFIG
},
63 [NL80211_MCGRP_SCAN
] = { .name
= NL80211_MULTICAST_GROUP_SCAN
},
64 [NL80211_MCGRP_REGULATORY
] = { .name
= NL80211_MULTICAST_GROUP_REG
},
65 [NL80211_MCGRP_MLME
] = { .name
= NL80211_MULTICAST_GROUP_MLME
},
66 [NL80211_MCGRP_VENDOR
] = { .name
= NL80211_MULTICAST_GROUP_VENDOR
},
67 #ifdef CONFIG_NL80211_TESTMODE
68 [NL80211_MCGRP_TESTMODE
] = { .name
= NL80211_MULTICAST_GROUP_TESTMODE
}
72 /* returns ERR_PTR values */
73 static struct wireless_dev
*
74 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
76 struct cfg80211_registered_device
*rdev
;
77 struct wireless_dev
*result
= NULL
;
78 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
79 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
86 if (!have_ifidx
&& !have_wdev_id
)
87 return ERR_PTR(-EINVAL
);
90 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
92 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
93 wiphy_idx
= wdev_id
>> 32;
96 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
97 struct wireless_dev
*wdev
;
99 if (wiphy_net(&rdev
->wiphy
) != netns
)
102 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
105 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
106 if (have_ifidx
&& wdev
->netdev
&&
107 wdev
->netdev
->ifindex
== ifidx
) {
111 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
123 return ERR_PTR(-ENODEV
);
126 static struct cfg80211_registered_device
*
127 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
129 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
130 struct net_device
*netdev
;
134 if (!attrs
[NL80211_ATTR_WIPHY
] &&
135 !attrs
[NL80211_ATTR_IFINDEX
] &&
136 !attrs
[NL80211_ATTR_WDEV
])
137 return ERR_PTR(-EINVAL
);
139 if (attrs
[NL80211_ATTR_WIPHY
])
140 rdev
= cfg80211_rdev_by_wiphy_idx(
141 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
143 if (attrs
[NL80211_ATTR_WDEV
]) {
144 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
145 struct wireless_dev
*wdev
;
148 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
150 /* make sure wdev exists */
151 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
152 if (wdev
->identifier
!= (u32
)wdev_id
)
161 if (rdev
&& tmp
!= rdev
)
162 return ERR_PTR(-EINVAL
);
167 if (attrs
[NL80211_ATTR_IFINDEX
]) {
168 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
169 netdev
= __dev_get_by_index(netns
, ifindex
);
171 if (netdev
->ieee80211_ptr
)
173 netdev
->ieee80211_ptr
->wiphy
);
177 /* not wireless device -- return error */
179 return ERR_PTR(-EINVAL
);
181 /* mismatch -- return error */
182 if (rdev
&& tmp
!= rdev
)
183 return ERR_PTR(-EINVAL
);
190 return ERR_PTR(-ENODEV
);
192 if (netns
!= wiphy_net(&rdev
->wiphy
))
193 return ERR_PTR(-ENODEV
);
199 * This function returns a pointer to the driver
200 * that the genl_info item that is passed refers to.
202 * The result of this can be a PTR_ERR and hence must
203 * be checked with IS_ERR() for errors.
205 static struct cfg80211_registered_device
*
206 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
208 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
211 /* policy for the attributes */
212 static const struct nla_policy nl80211_policy
[NUM_NL80211_ATTR
] = {
213 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
214 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
216 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
218 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
219 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
220 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
224 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
225 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
226 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
227 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
228 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
229 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
231 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
232 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
233 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
235 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
236 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
238 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
239 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
240 .len
= WLAN_MAX_KEY_LEN
},
241 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
242 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
243 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
244 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
245 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
247 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
248 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
249 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
250 .len
= IEEE80211_MAX_DATA_LEN
},
251 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
252 .len
= IEEE80211_MAX_DATA_LEN
},
253 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
254 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
255 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
256 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
257 .len
= NL80211_MAX_SUPP_RATES
},
258 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
259 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
260 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
261 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
262 .len
= IEEE80211_MAX_MESH_ID_LEN
},
263 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
265 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
266 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
268 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
269 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
270 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
271 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
272 .len
= NL80211_MAX_SUPP_RATES
},
273 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
275 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
276 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
278 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
280 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
281 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
282 .len
= IEEE80211_MAX_DATA_LEN
},
283 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
284 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
286 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
287 .len
= IEEE80211_MAX_SSID_LEN
},
288 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
289 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
290 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
291 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
292 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
293 [NL80211_ATTR_STA_FLAGS2
] = {
294 .len
= sizeof(struct nl80211_sta_flag_update
),
296 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
297 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
298 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
299 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
300 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
301 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
302 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
303 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
304 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
305 .len
= WLAN_PMKID_LEN
},
306 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
307 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
308 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
309 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
310 .len
= IEEE80211_MAX_DATA_LEN
},
311 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
312 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
313 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
314 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
315 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
316 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
317 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
318 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
319 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
321 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
322 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
323 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
324 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
325 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
326 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
327 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
328 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
329 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
330 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
331 .len
= IEEE80211_MAX_DATA_LEN
},
332 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
333 .len
= IEEE80211_MAX_DATA_LEN
},
334 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
335 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
336 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
337 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
338 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
339 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
340 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
341 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
342 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
343 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
344 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
345 .len
= IEEE80211_MAX_DATA_LEN
},
346 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
347 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
348 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
349 .len
= NL80211_HT_CAPABILITY_LEN
351 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
352 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
353 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
355 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
356 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
357 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
358 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
359 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
360 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
361 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
362 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
363 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
364 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
365 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
366 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
367 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
368 .len
= NL80211_VHT_CAPABILITY_LEN
,
370 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
371 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
372 .len
= IEEE80211_MAX_DATA_LEN
},
373 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
374 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
375 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
376 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
377 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
378 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
379 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
380 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
381 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
382 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
383 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
384 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
385 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
386 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
387 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
388 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
389 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
390 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
391 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
392 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
393 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
394 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
395 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
397 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
398 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
399 [NL80211_ATTR_WIPHY_SELF_MANAGED_REG
] = { .type
= NLA_FLAG
},
400 [NL80211_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
401 [NL80211_ATTR_SCHED_SCAN_DELAY
] = { .type
= NLA_U32
},
402 [NL80211_ATTR_REG_INDOOR
] = { .type
= NLA_FLAG
},
405 /* policy for the key attributes */
406 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
407 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
408 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
409 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
410 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
411 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
412 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
413 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
414 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
417 /* policy for the key default flags */
418 static const struct nla_policy
419 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
420 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
421 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
424 /* policy for WoWLAN attributes */
425 static const struct nla_policy
426 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
427 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
428 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
429 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
430 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
431 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
432 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
433 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
434 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
435 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
436 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
439 static const struct nla_policy
440 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
441 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
442 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
443 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
444 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
445 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
446 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
447 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
448 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
450 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
451 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
453 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
454 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
455 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
458 /* policy for coalesce rule attributes */
459 static const struct nla_policy
460 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
461 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
462 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
463 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
466 /* policy for GTK rekey offload attributes */
467 static const struct nla_policy
468 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
469 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
470 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
471 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
474 static const struct nla_policy
475 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
476 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
477 .len
= IEEE80211_MAX_SSID_LEN
},
478 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
481 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
482 struct netlink_callback
*cb
,
483 struct cfg80211_registered_device
**rdev
,
484 struct wireless_dev
**wdev
)
491 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
492 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
497 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
498 nl80211_fam
.attrbuf
);
500 err
= PTR_ERR(*wdev
);
503 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
504 /* 0 is the first index - add 1 to parse only once */
505 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
506 cb
->args
[1] = (*wdev
)->identifier
;
508 /* subtract the 1 again here */
509 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
510 struct wireless_dev
*tmp
;
516 *rdev
= wiphy_to_rdev(wiphy
);
519 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
520 if (tmp
->identifier
== cb
->args
[1]) {
538 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
544 static bool is_valid_ie_attr(const struct nlattr
*attr
)
552 pos
= nla_data(attr
);
573 /* message building helper */
574 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
577 /* since there is no private header just add the generic one */
578 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
581 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
582 struct ieee80211_channel
*chan
,
585 /* Some channels must be completely excluded from the
586 * list to protect old user-space tools from breaking
588 if (!large
&& chan
->flags
&
589 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
592 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
594 goto nla_put_failure
;
596 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
597 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
598 goto nla_put_failure
;
599 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
600 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
601 goto nla_put_failure
;
602 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
603 goto nla_put_failure
;
605 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
606 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
607 goto nla_put_failure
;
611 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
613 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
615 goto nla_put_failure
;
616 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
618 goto nla_put_failure
;
620 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
622 goto nla_put_failure
;
627 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
628 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
629 goto nla_put_failure
;
630 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
631 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
632 goto nla_put_failure
;
633 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
634 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
635 goto nla_put_failure
;
636 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
637 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
638 goto nla_put_failure
;
639 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
640 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
641 goto nla_put_failure
;
642 if ((chan
->flags
& IEEE80211_CHAN_IR_CONCURRENT
) &&
643 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_IR_CONCURRENT
))
644 goto nla_put_failure
;
645 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
646 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
647 goto nla_put_failure
;
648 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
649 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
650 goto nla_put_failure
;
653 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
654 DBM_TO_MBM(chan
->max_power
)))
655 goto nla_put_failure
;
663 /* netlink command implementations */
670 bool def_uni
, def_multi
;
673 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
675 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
676 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
681 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
682 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
691 if (tb
[NL80211_KEY_IDX
])
692 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
694 if (tb
[NL80211_KEY_DATA
]) {
695 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
696 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
699 if (tb
[NL80211_KEY_SEQ
]) {
700 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
701 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
704 if (tb
[NL80211_KEY_CIPHER
])
705 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
707 if (tb
[NL80211_KEY_TYPE
]) {
708 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
709 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
713 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
714 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
715 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
716 tb
[NL80211_KEY_DEFAULT_TYPES
],
717 nl80211_key_default_policy
);
721 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
722 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
728 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
730 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
731 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
732 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
735 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
736 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
737 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
740 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
741 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
743 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
744 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
746 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
747 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
756 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
757 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
758 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
762 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
763 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
764 int err
= nla_parse_nested(
765 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
766 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
767 nl80211_key_default_policy
);
771 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
772 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
778 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
782 memset(k
, 0, sizeof(*k
));
786 if (info
->attrs
[NL80211_ATTR_KEY
])
787 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
789 err
= nl80211_parse_key_old(info
, k
);
794 if (k
->def
&& k
->defmgmt
)
798 if (k
->def_uni
|| !k
->def_multi
)
804 if (k
->idx
< 4 || k
->idx
> 5)
807 if (k
->idx
< 0 || k
->idx
> 3)
810 if (k
->idx
< 0 || k
->idx
> 5)
818 static struct cfg80211_cached_keys
*
819 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
820 struct nlattr
*keys
, bool *no_ht
)
822 struct key_parse parse
;
824 struct cfg80211_cached_keys
*result
;
825 int rem
, err
, def
= 0;
827 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
829 return ERR_PTR(-ENOMEM
);
832 result
->defmgmt
= -1;
834 nla_for_each_nested(key
, keys
, rem
) {
835 memset(&parse
, 0, sizeof(parse
));
838 err
= nl80211_parse_key_new(key
, &parse
);
844 if (parse
.idx
< 0 || parse
.idx
> 4)
850 result
->def
= parse
.idx
;
851 if (!parse
.def_uni
|| !parse
.def_multi
)
853 } else if (parse
.defmgmt
)
855 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
856 parse
.idx
, false, NULL
);
859 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
860 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
861 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
862 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
864 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
865 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
877 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
879 ASSERT_WDEV_LOCK(wdev
);
881 switch (wdev
->iftype
) {
882 case NL80211_IFTYPE_AP
:
883 case NL80211_IFTYPE_AP_VLAN
:
884 case NL80211_IFTYPE_P2P_GO
:
885 case NL80211_IFTYPE_MESH_POINT
:
887 case NL80211_IFTYPE_ADHOC
:
888 case NL80211_IFTYPE_STATION
:
889 case NL80211_IFTYPE_P2P_CLIENT
:
890 if (!wdev
->current_bss
)
893 case NL80211_IFTYPE_UNSPECIFIED
:
894 case NL80211_IFTYPE_OCB
:
895 case NL80211_IFTYPE_MONITOR
:
896 case NL80211_IFTYPE_P2P_DEVICE
:
897 case NL80211_IFTYPE_WDS
:
898 case NUM_NL80211_IFTYPES
:
905 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
908 struct ieee80211_channel
*chan
;
912 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
913 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
918 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
920 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
924 goto nla_put_failure
;
928 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
929 goto nla_put_failure
;
934 nla_nest_end(msg
, nl_modes
);
941 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
945 struct nlattr
*nl_combis
;
948 nl_combis
= nla_nest_start(msg
,
949 NL80211_ATTR_INTERFACE_COMBINATIONS
);
951 goto nla_put_failure
;
953 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
954 const struct ieee80211_iface_combination
*c
;
955 struct nlattr
*nl_combi
, *nl_limits
;
957 c
= &wiphy
->iface_combinations
[i
];
959 nl_combi
= nla_nest_start(msg
, i
+ 1);
961 goto nla_put_failure
;
963 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
965 goto nla_put_failure
;
967 for (j
= 0; j
< c
->n_limits
; j
++) {
968 struct nlattr
*nl_limit
;
970 nl_limit
= nla_nest_start(msg
, j
+ 1);
972 goto nla_put_failure
;
973 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
975 goto nla_put_failure
;
976 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
978 goto nla_put_failure
;
979 nla_nest_end(msg
, nl_limit
);
982 nla_nest_end(msg
, nl_limits
);
984 if (c
->beacon_int_infra_match
&&
985 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
986 goto nla_put_failure
;
987 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
988 c
->num_different_channels
) ||
989 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
991 goto nla_put_failure
;
993 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
994 c
->radar_detect_widths
) ||
995 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
996 c
->radar_detect_regions
)))
997 goto nla_put_failure
;
999 nla_nest_end(msg
, nl_combi
);
1002 nla_nest_end(msg
, nl_combis
);
1010 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1011 struct sk_buff
*msg
)
1013 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1014 struct nlattr
*nl_tcp
;
1019 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1023 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1024 tcp
->data_payload_max
))
1027 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1028 tcp
->data_payload_max
))
1031 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1034 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1035 sizeof(*tcp
->tok
), tcp
->tok
))
1038 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1039 tcp
->data_interval_max
))
1042 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1043 tcp
->wake_payload_max
))
1046 nla_nest_end(msg
, nl_tcp
);
1050 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1051 struct cfg80211_registered_device
*rdev
,
1054 struct nlattr
*nl_wowlan
;
1056 if (!rdev
->wiphy
.wowlan
)
1059 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1063 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1064 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1065 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1066 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1067 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1068 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1069 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1070 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1071 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1072 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1073 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1074 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1075 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1076 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1077 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1078 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1081 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1082 struct nl80211_pattern_support pat
= {
1083 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1084 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1085 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1086 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1089 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1094 if ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
) &&
1095 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
,
1096 rdev
->wiphy
.wowlan
->max_nd_match_sets
))
1099 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1102 nla_nest_end(msg
, nl_wowlan
);
1108 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1109 struct cfg80211_registered_device
*rdev
)
1111 struct nl80211_coalesce_rule_support rule
;
1113 if (!rdev
->wiphy
.coalesce
)
1116 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1117 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1118 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1119 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1120 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1121 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1123 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1129 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1130 struct ieee80211_supported_band
*sband
)
1132 struct nlattr
*nl_rates
, *nl_rate
;
1133 struct ieee80211_rate
*rate
;
1137 if (sband
->ht_cap
.ht_supported
&&
1138 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1139 sizeof(sband
->ht_cap
.mcs
),
1140 &sband
->ht_cap
.mcs
) ||
1141 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1142 sband
->ht_cap
.cap
) ||
1143 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1144 sband
->ht_cap
.ampdu_factor
) ||
1145 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1146 sband
->ht_cap
.ampdu_density
)))
1150 if (sband
->vht_cap
.vht_supported
&&
1151 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1152 sizeof(sband
->vht_cap
.vht_mcs
),
1153 &sband
->vht_cap
.vht_mcs
) ||
1154 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1155 sband
->vht_cap
.cap
)))
1159 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1163 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1164 nl_rate
= nla_nest_start(msg
, i
);
1168 rate
= &sband
->bitrates
[i
];
1169 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1172 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1174 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1177 nla_nest_end(msg
, nl_rate
);
1180 nla_nest_end(msg
, nl_rates
);
1186 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1187 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1190 struct nlattr
*nl_ftypes
, *nl_ifs
;
1191 enum nl80211_iftype ift
;
1197 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1201 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1202 nl_ftypes
= nla_nest_start(msg
, ift
);
1206 stypes
= mgmt_stypes
[ift
].tx
;
1209 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1210 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1215 nla_nest_end(msg
, nl_ftypes
);
1218 nla_nest_end(msg
, nl_ifs
);
1220 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1224 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1225 nl_ftypes
= nla_nest_start(msg
, ift
);
1229 stypes
= mgmt_stypes
[ift
].rx
;
1232 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1233 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1238 nla_nest_end(msg
, nl_ftypes
);
1240 nla_nest_end(msg
, nl_ifs
);
1245 struct nl80211_dump_wiphy_state
{
1248 long split_start
, band_start
, chan_start
;
1252 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1253 enum nl80211_commands cmd
,
1254 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1255 int flags
, struct nl80211_dump_wiphy_state
*state
)
1258 struct nlattr
*nl_bands
, *nl_band
;
1259 struct nlattr
*nl_freqs
, *nl_freq
;
1260 struct nlattr
*nl_cmds
;
1261 enum ieee80211_band band
;
1262 struct ieee80211_channel
*chan
;
1264 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1265 rdev
->wiphy
.mgmt_stypes
;
1268 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1272 if (WARN_ON(!state
))
1275 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1276 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1277 wiphy_name(&rdev
->wiphy
)) ||
1278 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1279 cfg80211_rdev_list_generation
))
1280 goto nla_put_failure
;
1282 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1285 switch (state
->split_start
) {
1287 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1288 rdev
->wiphy
.retry_short
) ||
1289 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1290 rdev
->wiphy
.retry_long
) ||
1291 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1292 rdev
->wiphy
.frag_threshold
) ||
1293 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1294 rdev
->wiphy
.rts_threshold
) ||
1295 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1296 rdev
->wiphy
.coverage_class
) ||
1297 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1298 rdev
->wiphy
.max_scan_ssids
) ||
1299 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1300 rdev
->wiphy
.max_sched_scan_ssids
) ||
1301 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1302 rdev
->wiphy
.max_scan_ie_len
) ||
1303 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1304 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1305 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1306 rdev
->wiphy
.max_match_sets
))
1307 goto nla_put_failure
;
1309 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1310 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1311 goto nla_put_failure
;
1312 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1313 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1314 goto nla_put_failure
;
1315 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1316 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1317 goto nla_put_failure
;
1318 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1319 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1320 goto nla_put_failure
;
1321 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1322 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1323 goto nla_put_failure
;
1324 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1325 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1326 goto nla_put_failure
;
1327 state
->split_start
++;
1331 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1332 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1333 rdev
->wiphy
.cipher_suites
))
1334 goto nla_put_failure
;
1336 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1337 rdev
->wiphy
.max_num_pmkids
))
1338 goto nla_put_failure
;
1340 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1341 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1342 goto nla_put_failure
;
1344 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1345 rdev
->wiphy
.available_antennas_tx
) ||
1346 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1347 rdev
->wiphy
.available_antennas_rx
))
1348 goto nla_put_failure
;
1350 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1351 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1352 rdev
->wiphy
.probe_resp_offload
))
1353 goto nla_put_failure
;
1355 if ((rdev
->wiphy
.available_antennas_tx
||
1356 rdev
->wiphy
.available_antennas_rx
) &&
1357 rdev
->ops
->get_antenna
) {
1358 u32 tx_ant
= 0, rx_ant
= 0;
1360 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1362 if (nla_put_u32(msg
,
1363 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1366 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1368 goto nla_put_failure
;
1372 state
->split_start
++;
1376 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1377 rdev
->wiphy
.interface_modes
))
1378 goto nla_put_failure
;
1379 state
->split_start
++;
1383 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1385 goto nla_put_failure
;
1387 for (band
= state
->band_start
;
1388 band
< IEEE80211_NUM_BANDS
; band
++) {
1389 struct ieee80211_supported_band
*sband
;
1391 sband
= rdev
->wiphy
.bands
[band
];
1396 nl_band
= nla_nest_start(msg
, band
);
1398 goto nla_put_failure
;
1400 switch (state
->chan_start
) {
1402 if (nl80211_send_band_rateinfo(msg
, sband
))
1403 goto nla_put_failure
;
1404 state
->chan_start
++;
1408 /* add frequencies */
1409 nl_freqs
= nla_nest_start(
1410 msg
, NL80211_BAND_ATTR_FREQS
);
1412 goto nla_put_failure
;
1414 for (i
= state
->chan_start
- 1;
1415 i
< sband
->n_channels
;
1417 nl_freq
= nla_nest_start(msg
, i
);
1419 goto nla_put_failure
;
1421 chan
= &sband
->channels
[i
];
1423 if (nl80211_msg_put_channel(
1426 goto nla_put_failure
;
1428 nla_nest_end(msg
, nl_freq
);
1432 if (i
< sband
->n_channels
)
1433 state
->chan_start
= i
+ 2;
1435 state
->chan_start
= 0;
1436 nla_nest_end(msg
, nl_freqs
);
1439 nla_nest_end(msg
, nl_band
);
1442 /* start again here */
1443 if (state
->chan_start
)
1448 nla_nest_end(msg
, nl_bands
);
1450 if (band
< IEEE80211_NUM_BANDS
)
1451 state
->band_start
= band
+ 1;
1453 state
->band_start
= 0;
1455 /* if bands & channels are done, continue outside */
1456 if (state
->band_start
== 0 && state
->chan_start
== 0)
1457 state
->split_start
++;
1461 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1463 goto nla_put_failure
;
1466 #define CMD(op, n) \
1468 if (rdev->ops->op) { \
1470 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1471 goto nla_put_failure; \
1475 CMD(add_virtual_intf
, NEW_INTERFACE
);
1476 CMD(change_virtual_intf
, SET_INTERFACE
);
1477 CMD(add_key
, NEW_KEY
);
1478 CMD(start_ap
, START_AP
);
1479 CMD(add_station
, NEW_STATION
);
1480 CMD(add_mpath
, NEW_MPATH
);
1481 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1482 CMD(change_bss
, SET_BSS
);
1483 CMD(auth
, AUTHENTICATE
);
1484 CMD(assoc
, ASSOCIATE
);
1485 CMD(deauth
, DEAUTHENTICATE
);
1486 CMD(disassoc
, DISASSOCIATE
);
1487 CMD(join_ibss
, JOIN_IBSS
);
1488 CMD(join_mesh
, JOIN_MESH
);
1489 CMD(set_pmksa
, SET_PMKSA
);
1490 CMD(del_pmksa
, DEL_PMKSA
);
1491 CMD(flush_pmksa
, FLUSH_PMKSA
);
1492 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1493 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1494 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1495 CMD(mgmt_tx
, FRAME
);
1496 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1497 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1499 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1500 goto nla_put_failure
;
1502 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1503 rdev
->ops
->join_mesh
) {
1505 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1506 goto nla_put_failure
;
1508 CMD(set_wds_peer
, SET_WDS_PEER
);
1509 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1510 CMD(tdls_mgmt
, TDLS_MGMT
);
1511 CMD(tdls_oper
, TDLS_OPER
);
1513 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1514 CMD(sched_scan_start
, START_SCHED_SCAN
);
1515 CMD(probe_client
, PROBE_CLIENT
);
1516 CMD(set_noack_map
, SET_NOACK_MAP
);
1517 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1519 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1520 goto nla_put_failure
;
1522 CMD(start_p2p_device
, START_P2P_DEVICE
);
1523 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1524 #ifdef CONFIG_NL80211_TESTMODE
1525 CMD(testmode_cmd
, TESTMODE
);
1528 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1529 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1530 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1531 CMD(channel_switch
, CHANNEL_SWITCH
);
1532 CMD(set_qos_map
, SET_QOS_MAP
);
1533 if (rdev
->wiphy
.features
&
1534 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1535 CMD(add_tx_ts
, ADD_TX_TS
);
1537 /* add into the if now */
1540 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1542 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1543 goto nla_put_failure
;
1546 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1548 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1549 goto nla_put_failure
;
1552 nla_nest_end(msg
, nl_cmds
);
1553 state
->split_start
++;
1557 if (rdev
->ops
->remain_on_channel
&&
1558 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1560 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1561 rdev
->wiphy
.max_remain_on_channel_duration
))
1562 goto nla_put_failure
;
1564 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1565 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1566 goto nla_put_failure
;
1568 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1569 goto nla_put_failure
;
1570 state
->split_start
++;
1575 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1576 goto nla_put_failure
;
1577 state
->split_start
++;
1581 state
->split_start
++;
1584 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1585 rdev
->wiphy
.software_iftypes
))
1586 goto nla_put_failure
;
1588 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1590 goto nla_put_failure
;
1592 state
->split_start
++;
1596 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1597 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1598 rdev
->wiphy
.ap_sme_capa
))
1599 goto nla_put_failure
;
1601 features
= rdev
->wiphy
.features
;
1603 * We can only add the per-channel limit information if the
1604 * dump is split, otherwise it makes it too big. Therefore
1605 * only advertise it in that case.
1608 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1609 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1610 goto nla_put_failure
;
1612 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1613 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1614 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1615 rdev
->wiphy
.ht_capa_mod_mask
))
1616 goto nla_put_failure
;
1618 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1619 rdev
->wiphy
.max_acl_mac_addrs
&&
1620 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1621 rdev
->wiphy
.max_acl_mac_addrs
))
1622 goto nla_put_failure
;
1625 * Any information below this point is only available to
1626 * applications that can deal with it being split. This
1627 * helps ensure that newly added capabilities don't break
1628 * older tools by overrunning their buffers.
1630 * We still increment split_start so that in the split
1631 * case we'll continue with more data in the next round,
1632 * but break unconditionally so unsplit data stops here.
1634 state
->split_start
++;
1637 if (rdev
->wiphy
.extended_capabilities
&&
1638 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1639 rdev
->wiphy
.extended_capabilities_len
,
1640 rdev
->wiphy
.extended_capabilities
) ||
1641 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1642 rdev
->wiphy
.extended_capabilities_len
,
1643 rdev
->wiphy
.extended_capabilities_mask
)))
1644 goto nla_put_failure
;
1646 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1647 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1648 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1649 rdev
->wiphy
.vht_capa_mod_mask
))
1650 goto nla_put_failure
;
1652 state
->split_start
++;
1655 if (nl80211_send_coalesce(msg
, rdev
))
1656 goto nla_put_failure
;
1658 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1659 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1660 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1661 goto nla_put_failure
;
1663 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1664 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1665 rdev
->wiphy
.max_ap_assoc_sta
))
1666 goto nla_put_failure
;
1668 state
->split_start
++;
1671 if (rdev
->wiphy
.n_vendor_commands
) {
1672 const struct nl80211_vendor_cmd_info
*info
;
1673 struct nlattr
*nested
;
1675 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1677 goto nla_put_failure
;
1679 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1680 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1681 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1682 goto nla_put_failure
;
1684 nla_nest_end(msg
, nested
);
1687 if (rdev
->wiphy
.n_vendor_events
) {
1688 const struct nl80211_vendor_cmd_info
*info
;
1689 struct nlattr
*nested
;
1691 nested
= nla_nest_start(msg
,
1692 NL80211_ATTR_VENDOR_EVENTS
);
1694 goto nla_put_failure
;
1696 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1697 info
= &rdev
->wiphy
.vendor_events
[i
];
1698 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1699 goto nla_put_failure
;
1701 nla_nest_end(msg
, nested
);
1703 state
->split_start
++;
1706 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1707 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1708 rdev
->wiphy
.max_num_csa_counters
))
1709 goto nla_put_failure
;
1711 if (rdev
->wiphy
.regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
1712 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
1713 goto nla_put_failure
;
1715 if (nla_put(msg
, NL80211_ATTR_EXT_FEATURES
,
1716 sizeof(rdev
->wiphy
.ext_features
),
1717 rdev
->wiphy
.ext_features
))
1718 goto nla_put_failure
;
1721 state
->split_start
= 0;
1725 genlmsg_end(msg
, hdr
);
1729 genlmsg_cancel(msg
, hdr
);
1733 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1734 struct netlink_callback
*cb
,
1735 struct nl80211_dump_wiphy_state
*state
)
1737 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1738 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1739 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1740 /* ignore parse errors for backward compatibility */
1744 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1745 if (tb
[NL80211_ATTR_WIPHY
])
1746 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1747 if (tb
[NL80211_ATTR_WDEV
])
1748 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1749 if (tb
[NL80211_ATTR_IFINDEX
]) {
1750 struct net_device
*netdev
;
1751 struct cfg80211_registered_device
*rdev
;
1752 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1754 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1757 if (netdev
->ieee80211_ptr
) {
1758 rdev
= wiphy_to_rdev(
1759 netdev
->ieee80211_ptr
->wiphy
);
1760 state
->filter_wiphy
= rdev
->wiphy_idx
;
1767 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1770 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1771 struct cfg80211_registered_device
*rdev
;
1775 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1780 state
->filter_wiphy
= -1;
1781 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1787 cb
->args
[0] = (long)state
;
1790 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1791 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1793 if (++idx
<= state
->start
)
1795 if (state
->filter_wiphy
!= -1 &&
1796 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1798 /* attempt to fit multiple wiphy data chunks into the skb */
1800 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1802 NETLINK_CB(cb
->skb
).portid
,
1804 NLM_F_MULTI
, state
);
1807 * If sending the wiphy data didn't fit (ENOBUFS
1808 * or EMSGSIZE returned), this SKB is still
1809 * empty (so it's not too big because another
1810 * wiphy dataset is already in the skb) and
1811 * we've not tried to adjust the dump allocation
1812 * yet ... then adjust the alloc size to be
1813 * bigger, and return 1 but with the empty skb.
1814 * This results in an empty message being RX'ed
1815 * in userspace, but that is ignored.
1817 * We can then retry with the larger buffer.
1819 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1820 !skb
->len
&& !state
->split
&&
1821 cb
->min_dump_alloc
< 4096) {
1822 cb
->min_dump_alloc
= 4096;
1823 state
->split_start
= 0;
1830 } while (state
->split_start
> 0);
1840 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1842 kfree((void *)cb
->args
[0]);
1846 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1848 struct sk_buff
*msg
;
1849 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1850 struct nl80211_dump_wiphy_state state
= {};
1852 msg
= nlmsg_new(4096, GFP_KERNEL
);
1856 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1857 info
->snd_portid
, info
->snd_seq
, 0,
1863 return genlmsg_reply(msg
, info
);
1866 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1867 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1868 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1869 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1870 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1871 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1874 static int parse_txq_params(struct nlattr
*tb
[],
1875 struct ieee80211_txq_params
*txq_params
)
1877 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1878 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1879 !tb
[NL80211_TXQ_ATTR_AIFS
])
1882 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1883 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1884 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1885 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1886 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1888 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1894 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1897 * You can only set the channel explicitly for WDS interfaces,
1898 * all others have their channel managed via their respective
1899 * "establish a connection" command (connect, join, ...)
1901 * For AP/GO and mesh mode, the channel can be set with the
1902 * channel userspace API, but is only stored and passed to the
1903 * low-level driver when the AP starts or the mesh is joined.
1904 * This is for backward compatibility, userspace can also give
1905 * the channel in the start-ap or join-mesh commands instead.
1907 * Monitors are special as they are normally slaved to
1908 * whatever else is going on, so they have their own special
1909 * operation to set the monitor channel if possible.
1912 wdev
->iftype
== NL80211_IFTYPE_AP
||
1913 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1914 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1915 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1918 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1919 struct genl_info
*info
,
1920 struct cfg80211_chan_def
*chandef
)
1924 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1927 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1929 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1930 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1931 chandef
->center_freq1
= control_freq
;
1932 chandef
->center_freq2
= 0;
1934 /* Primary channel not allowed */
1935 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1938 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1939 enum nl80211_channel_type chantype
;
1941 chantype
= nla_get_u32(
1942 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1945 case NL80211_CHAN_NO_HT
:
1946 case NL80211_CHAN_HT20
:
1947 case NL80211_CHAN_HT40PLUS
:
1948 case NL80211_CHAN_HT40MINUS
:
1949 cfg80211_chandef_create(chandef
, chandef
->chan
,
1955 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1957 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1958 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1959 chandef
->center_freq1
=
1961 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1962 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1963 chandef
->center_freq2
=
1965 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1968 if (!cfg80211_chandef_valid(chandef
))
1971 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1972 IEEE80211_CHAN_DISABLED
))
1975 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1976 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1977 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1983 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1984 struct net_device
*dev
,
1985 struct genl_info
*info
)
1987 struct cfg80211_chan_def chandef
;
1989 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1990 struct wireless_dev
*wdev
= NULL
;
1993 wdev
= dev
->ieee80211_ptr
;
1994 if (!nl80211_can_set_dev_channel(wdev
))
1997 iftype
= wdev
->iftype
;
1999 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
2004 case NL80211_IFTYPE_AP
:
2005 case NL80211_IFTYPE_P2P_GO
:
2006 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
2011 if (wdev
->beacon_interval
) {
2012 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
2013 !(rdev
->wiphy
.features
&
2014 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2019 /* Only allow dynamic channel width changes */
2020 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2024 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2028 wdev
->preset_chandef
= chandef
;
2031 case NL80211_IFTYPE_MESH_POINT
:
2032 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2034 case NL80211_IFTYPE_MONITOR
:
2035 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2044 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2046 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2047 struct net_device
*netdev
= info
->user_ptr
[1];
2049 return __nl80211_set_channel(rdev
, netdev
, info
);
2052 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2054 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2055 struct net_device
*dev
= info
->user_ptr
[1];
2056 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2059 if (!info
->attrs
[NL80211_ATTR_MAC
])
2062 if (netif_running(dev
))
2065 if (!rdev
->ops
->set_wds_peer
)
2068 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2071 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2072 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2076 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2078 struct cfg80211_registered_device
*rdev
;
2079 struct net_device
*netdev
= NULL
;
2080 struct wireless_dev
*wdev
;
2081 int result
= 0, rem_txq_params
= 0;
2082 struct nlattr
*nl_txq_params
;
2084 u8 retry_short
= 0, retry_long
= 0;
2085 u32 frag_threshold
= 0, rts_threshold
= 0;
2086 u8 coverage_class
= 0;
2091 * Try to find the wiphy and netdev. Normally this
2092 * function shouldn't need the netdev, but this is
2093 * done for backward compatibility -- previously
2094 * setting the channel was done per wiphy, but now
2095 * it is per netdev. Previous userland like hostapd
2096 * also passed a netdev to set_wiphy, so that it is
2097 * possible to let that go to the right netdev!
2100 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2101 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2103 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2104 if (netdev
&& netdev
->ieee80211_ptr
)
2105 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2111 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2114 return PTR_ERR(rdev
);
2119 wdev
= netdev
->ieee80211_ptr
;
2122 * end workaround code, by now the rdev is available
2123 * and locked, and wdev may or may not be NULL.
2126 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2127 result
= cfg80211_dev_rename(
2128 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2133 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2134 struct ieee80211_txq_params txq_params
;
2135 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2137 if (!rdev
->ops
->set_txq_params
)
2143 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2144 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2147 if (!netif_running(netdev
))
2150 nla_for_each_nested(nl_txq_params
,
2151 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2153 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2154 nla_data(nl_txq_params
),
2155 nla_len(nl_txq_params
),
2159 result
= parse_txq_params(tb
, &txq_params
);
2163 result
= rdev_set_txq_params(rdev
, netdev
,
2170 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2171 result
= __nl80211_set_channel(
2173 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2179 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2180 struct wireless_dev
*txp_wdev
= wdev
;
2181 enum nl80211_tx_power_setting type
;
2184 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2187 if (!rdev
->ops
->set_tx_power
)
2190 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2191 type
= nla_get_u32(info
->attrs
[idx
]);
2193 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2194 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2197 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2198 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2199 mbm
= nla_get_u32(info
->attrs
[idx
]);
2202 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2207 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2208 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2210 if ((!rdev
->wiphy
.available_antennas_tx
&&
2211 !rdev
->wiphy
.available_antennas_rx
) ||
2212 !rdev
->ops
->set_antenna
)
2215 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2216 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2218 /* reject antenna configurations which don't match the
2219 * available antenna masks, except for the "all" mask */
2220 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2221 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2224 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2225 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2227 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2234 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2235 retry_short
= nla_get_u8(
2236 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2237 if (retry_short
== 0)
2240 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2243 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2244 retry_long
= nla_get_u8(
2245 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2246 if (retry_long
== 0)
2249 changed
|= WIPHY_PARAM_RETRY_LONG
;
2252 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2253 frag_threshold
= nla_get_u32(
2254 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2255 if (frag_threshold
< 256)
2258 if (frag_threshold
!= (u32
) -1) {
2260 * Fragments (apart from the last one) are required to
2261 * have even length. Make the fragmentation code
2262 * simpler by stripping LSB should someone try to use
2263 * odd threshold value.
2265 frag_threshold
&= ~0x1;
2267 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2270 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2271 rts_threshold
= nla_get_u32(
2272 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2273 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2276 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2277 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2280 coverage_class
= nla_get_u8(
2281 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2282 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2285 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2286 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2289 changed
|= WIPHY_PARAM_DYN_ACK
;
2293 u8 old_retry_short
, old_retry_long
;
2294 u32 old_frag_threshold
, old_rts_threshold
;
2295 u8 old_coverage_class
;
2297 if (!rdev
->ops
->set_wiphy_params
)
2300 old_retry_short
= rdev
->wiphy
.retry_short
;
2301 old_retry_long
= rdev
->wiphy
.retry_long
;
2302 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2303 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2304 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2306 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2307 rdev
->wiphy
.retry_short
= retry_short
;
2308 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2309 rdev
->wiphy
.retry_long
= retry_long
;
2310 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2311 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2312 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2313 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2314 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2315 rdev
->wiphy
.coverage_class
= coverage_class
;
2317 result
= rdev_set_wiphy_params(rdev
, changed
);
2319 rdev
->wiphy
.retry_short
= old_retry_short
;
2320 rdev
->wiphy
.retry_long
= old_retry_long
;
2321 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2322 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2323 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2330 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2332 return (u64
)wdev
->identifier
|
2333 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2336 static int nl80211_send_chandef(struct sk_buff
*msg
,
2337 const struct cfg80211_chan_def
*chandef
)
2339 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2342 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2343 chandef
->chan
->center_freq
))
2345 switch (chandef
->width
) {
2346 case NL80211_CHAN_WIDTH_20_NOHT
:
2347 case NL80211_CHAN_WIDTH_20
:
2348 case NL80211_CHAN_WIDTH_40
:
2349 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2350 cfg80211_get_chandef_type(chandef
)))
2356 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2358 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2360 if (chandef
->center_freq2
&&
2361 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2366 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2367 struct cfg80211_registered_device
*rdev
,
2368 struct wireless_dev
*wdev
, bool removal
)
2370 struct net_device
*dev
= wdev
->netdev
;
2371 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2375 cmd
= NL80211_CMD_DEL_INTERFACE
;
2377 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2382 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2383 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2384 goto nla_put_failure
;
2386 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2387 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2388 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2389 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2390 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2391 rdev
->devlist_generation
^
2392 (cfg80211_rdev_list_generation
<< 2)))
2393 goto nla_put_failure
;
2395 if (rdev
->ops
->get_channel
) {
2397 struct cfg80211_chan_def chandef
;
2399 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2401 if (nl80211_send_chandef(msg
, &chandef
))
2402 goto nla_put_failure
;
2406 if (wdev
->ssid_len
) {
2407 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2408 goto nla_put_failure
;
2411 genlmsg_end(msg
, hdr
);
2415 genlmsg_cancel(msg
, hdr
);
2419 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2423 int wp_start
= cb
->args
[0];
2424 int if_start
= cb
->args
[1];
2425 struct cfg80211_registered_device
*rdev
;
2426 struct wireless_dev
*wdev
;
2429 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2430 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2432 if (wp_idx
< wp_start
) {
2438 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2439 if (if_idx
< if_start
) {
2443 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2444 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2445 rdev
, wdev
, false) < 0) {
2456 cb
->args
[0] = wp_idx
;
2457 cb
->args
[1] = if_idx
;
2462 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2464 struct sk_buff
*msg
;
2465 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2466 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2468 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2472 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2473 rdev
, wdev
, false) < 0) {
2478 return genlmsg_reply(msg
, info
);
2481 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2482 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2483 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2484 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2485 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2486 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2487 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2490 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2492 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2500 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2501 nla
, mntr_flags_policy
))
2504 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2506 *mntrflags
|= (1<<flag
);
2511 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2512 struct net_device
*netdev
, u8 use_4addr
,
2513 enum nl80211_iftype iftype
)
2516 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2522 case NL80211_IFTYPE_AP_VLAN
:
2523 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2526 case NL80211_IFTYPE_STATION
:
2527 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2537 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2539 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2540 struct vif_params params
;
2542 enum nl80211_iftype otype
, ntype
;
2543 struct net_device
*dev
= info
->user_ptr
[1];
2544 u32 _flags
, *flags
= NULL
;
2545 bool change
= false;
2547 memset(¶ms
, 0, sizeof(params
));
2549 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2551 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2552 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2555 if (ntype
> NL80211_IFTYPE_MAX
)
2559 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2560 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2562 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2564 if (netif_running(dev
))
2568 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2569 IEEE80211_MAX_MESH_ID_LEN
);
2570 wdev
->mesh_id_up_len
=
2571 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2572 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2573 wdev
->mesh_id_up_len
);
2577 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2578 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2580 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2584 params
.use_4addr
= -1;
2587 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2588 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2590 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2599 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2600 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2604 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2608 if (!err
&& params
.use_4addr
!= -1)
2609 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2614 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2616 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2617 struct vif_params params
;
2618 struct wireless_dev
*wdev
;
2619 struct sk_buff
*msg
, *event
;
2621 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2624 /* to avoid failing a new interface creation due to pending removal */
2625 cfg80211_destroy_ifaces(rdev
);
2627 memset(¶ms
, 0, sizeof(params
));
2629 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2632 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2633 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2634 if (type
> NL80211_IFTYPE_MAX
)
2638 if (!rdev
->ops
->add_virtual_intf
||
2639 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2642 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2643 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2644 info
->attrs
[NL80211_ATTR_MAC
]) {
2645 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2647 if (!is_valid_ether_addr(params
.macaddr
))
2648 return -EADDRNOTAVAIL
;
2651 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2652 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2653 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2658 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2659 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2662 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2663 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2666 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2670 wdev
= rdev_add_virtual_intf(rdev
,
2671 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2672 NET_NAME_USER
, type
, err
? NULL
: &flags
,
2674 if (WARN_ON(!wdev
)) {
2677 } else if (IS_ERR(wdev
)) {
2679 return PTR_ERR(wdev
);
2682 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2683 wdev
->owner_nlportid
= info
->snd_portid
;
2686 case NL80211_IFTYPE_MESH_POINT
:
2687 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2690 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2691 IEEE80211_MAX_MESH_ID_LEN
);
2692 wdev
->mesh_id_up_len
=
2693 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2694 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2695 wdev
->mesh_id_up_len
);
2698 case NL80211_IFTYPE_P2P_DEVICE
:
2700 * P2P Device doesn't have a netdev, so doesn't go
2701 * through the netdev notifier and must be added here
2703 mutex_init(&wdev
->mtx
);
2704 INIT_LIST_HEAD(&wdev
->event_list
);
2705 spin_lock_init(&wdev
->event_lock
);
2706 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2707 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2709 wdev
->identifier
= ++rdev
->wdev_id
;
2710 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2711 rdev
->devlist_generation
++;
2717 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2718 rdev
, wdev
, false) < 0) {
2723 event
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2725 if (nl80211_send_iface(event
, 0, 0, 0,
2726 rdev
, wdev
, false) < 0) {
2731 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2732 event
, 0, NL80211_MCGRP_CONFIG
,
2737 return genlmsg_reply(msg
, info
);
2740 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2742 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2743 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2744 struct sk_buff
*msg
;
2747 if (!rdev
->ops
->del_virtual_intf
)
2750 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2751 if (msg
&& nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, true) < 0) {
2757 * If we remove a wireless device without a netdev then clear
2758 * user_ptr[1] so that nl80211_post_doit won't dereference it
2759 * to check if it needs to do dev_put(). Otherwise it crashes
2760 * since the wdev has been freed, unlike with a netdev where
2761 * we need the dev_put() for the netdev to really be freed.
2764 info
->user_ptr
[1] = NULL
;
2766 status
= rdev_del_virtual_intf(rdev
, wdev
);
2767 if (status
>= 0 && msg
)
2768 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2769 msg
, 0, NL80211_MCGRP_CONFIG
,
2777 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2779 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2780 struct net_device
*dev
= info
->user_ptr
[1];
2783 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2786 if (!rdev
->ops
->set_noack_map
)
2789 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2791 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2794 struct get_key_cookie
{
2795 struct sk_buff
*msg
;
2800 static void get_key_callback(void *c
, struct key_params
*params
)
2803 struct get_key_cookie
*cookie
= c
;
2806 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2807 params
->key_len
, params
->key
)) ||
2809 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2810 params
->seq_len
, params
->seq
)) ||
2812 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2814 goto nla_put_failure
;
2816 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2818 goto nla_put_failure
;
2821 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2822 params
->key_len
, params
->key
)) ||
2824 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2825 params
->seq_len
, params
->seq
)) ||
2827 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2829 goto nla_put_failure
;
2831 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2832 goto nla_put_failure
;
2834 nla_nest_end(cookie
->msg
, key
);
2841 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2843 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2845 struct net_device
*dev
= info
->user_ptr
[1];
2847 const u8
*mac_addr
= NULL
;
2849 struct get_key_cookie cookie
= {
2853 struct sk_buff
*msg
;
2855 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2856 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2861 if (info
->attrs
[NL80211_ATTR_MAC
])
2862 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2864 pairwise
= !!mac_addr
;
2865 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2866 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2867 if (kt
>= NUM_NL80211_KEYTYPES
)
2869 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2870 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2872 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2875 if (!rdev
->ops
->get_key
)
2878 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2881 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2885 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2886 NL80211_CMD_NEW_KEY
);
2888 goto nla_put_failure
;
2891 cookie
.idx
= key_idx
;
2893 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2894 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2895 goto nla_put_failure
;
2897 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2898 goto nla_put_failure
;
2900 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2907 goto nla_put_failure
;
2909 genlmsg_end(msg
, hdr
);
2910 return genlmsg_reply(msg
, info
);
2919 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2921 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2922 struct key_parse key
;
2924 struct net_device
*dev
= info
->user_ptr
[1];
2926 err
= nl80211_parse_key(info
, &key
);
2933 /* only support setting default key */
2934 if (!key
.def
&& !key
.defmgmt
)
2937 wdev_lock(dev
->ieee80211_ptr
);
2940 if (!rdev
->ops
->set_default_key
) {
2945 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2949 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2950 key
.def_uni
, key
.def_multi
);
2955 #ifdef CONFIG_CFG80211_WEXT
2956 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2959 if (key
.def_uni
|| !key
.def_multi
) {
2964 if (!rdev
->ops
->set_default_mgmt_key
) {
2969 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2973 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2977 #ifdef CONFIG_CFG80211_WEXT
2978 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2983 wdev_unlock(dev
->ieee80211_ptr
);
2988 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2990 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2992 struct net_device
*dev
= info
->user_ptr
[1];
2993 struct key_parse key
;
2994 const u8
*mac_addr
= NULL
;
2996 err
= nl80211_parse_key(info
, &key
);
3003 if (info
->attrs
[NL80211_ATTR_MAC
])
3004 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3006 if (key
.type
== -1) {
3008 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3010 key
.type
= NL80211_KEYTYPE_GROUP
;
3014 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3015 key
.type
!= NL80211_KEYTYPE_GROUP
)
3018 if (!rdev
->ops
->add_key
)
3021 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3022 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3026 wdev_lock(dev
->ieee80211_ptr
);
3027 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3029 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3030 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3032 wdev_unlock(dev
->ieee80211_ptr
);
3037 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3039 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3041 struct net_device
*dev
= info
->user_ptr
[1];
3042 u8
*mac_addr
= NULL
;
3043 struct key_parse key
;
3045 err
= nl80211_parse_key(info
, &key
);
3049 if (info
->attrs
[NL80211_ATTR_MAC
])
3050 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3052 if (key
.type
== -1) {
3054 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3056 key
.type
= NL80211_KEYTYPE_GROUP
;
3060 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3061 key
.type
!= NL80211_KEYTYPE_GROUP
)
3064 if (!rdev
->ops
->del_key
)
3067 wdev_lock(dev
->ieee80211_ptr
);
3068 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3070 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3071 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3075 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3076 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3079 #ifdef CONFIG_CFG80211_WEXT
3081 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3082 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3083 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3084 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3087 wdev_unlock(dev
->ieee80211_ptr
);
3092 /* This function returns an error or the number of nested attributes */
3093 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3095 struct nlattr
*attr
;
3096 int n_entries
= 0, tmp
;
3098 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3099 if (nla_len(attr
) != ETH_ALEN
)
3109 * This function parses ACL information and allocates memory for ACL data.
3110 * On successful return, the calling function is responsible to free the
3111 * ACL buffer returned by this function.
3113 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3114 struct genl_info
*info
)
3116 enum nl80211_acl_policy acl_policy
;
3117 struct nlattr
*attr
;
3118 struct cfg80211_acl_data
*acl
;
3119 int i
= 0, n_entries
, tmp
;
3121 if (!wiphy
->max_acl_mac_addrs
)
3122 return ERR_PTR(-EOPNOTSUPP
);
3124 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3125 return ERR_PTR(-EINVAL
);
3127 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3128 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3129 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3130 return ERR_PTR(-EINVAL
);
3132 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3133 return ERR_PTR(-EINVAL
);
3135 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3137 return ERR_PTR(n_entries
);
3139 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3140 return ERR_PTR(-ENOTSUPP
);
3142 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3145 return ERR_PTR(-ENOMEM
);
3147 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3148 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3152 acl
->n_acl_entries
= n_entries
;
3153 acl
->acl_policy
= acl_policy
;
3158 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3160 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3161 struct net_device
*dev
= info
->user_ptr
[1];
3162 struct cfg80211_acl_data
*acl
;
3165 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3166 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3169 if (!dev
->ieee80211_ptr
->beacon_interval
)
3172 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3174 return PTR_ERR(acl
);
3176 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3183 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3184 struct cfg80211_beacon_data
*bcn
)
3186 bool haveinfo
= false;
3188 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3189 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3190 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3191 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3194 memset(bcn
, 0, sizeof(*bcn
));
3196 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3197 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3198 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3204 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3205 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3206 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3213 if (attrs
[NL80211_ATTR_IE
]) {
3214 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3215 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3218 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3219 bcn
->proberesp_ies
=
3220 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3221 bcn
->proberesp_ies_len
=
3222 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3225 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3226 bcn
->assocresp_ies
=
3227 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3228 bcn
->assocresp_ies_len
=
3229 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3232 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3233 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3234 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3240 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3241 struct cfg80211_ap_settings
*params
)
3243 struct wireless_dev
*wdev
;
3246 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3247 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3248 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3251 if (!wdev
->preset_chandef
.chan
)
3254 params
->chandef
= wdev
->preset_chandef
;
3262 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3263 enum nl80211_auth_type auth_type
,
3264 enum nl80211_commands cmd
)
3266 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3270 case NL80211_CMD_AUTHENTICATE
:
3271 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3272 auth_type
== NL80211_AUTHTYPE_SAE
)
3275 case NL80211_CMD_CONNECT
:
3276 case NL80211_CMD_START_AP
:
3277 /* SAE not supported yet */
3278 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3286 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3288 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3289 struct net_device
*dev
= info
->user_ptr
[1];
3290 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3291 struct cfg80211_ap_settings params
;
3294 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3295 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3298 if (!rdev
->ops
->start_ap
)
3301 if (wdev
->beacon_interval
)
3304 memset(¶ms
, 0, sizeof(params
));
3306 /* these are required for START_AP */
3307 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3308 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3309 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3312 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3316 params
.beacon_interval
=
3317 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3318 params
.dtim_period
=
3319 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3321 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3326 * In theory, some of these attributes should be required here
3327 * but since they were not used when the command was originally
3328 * added, keep them optional for old user space programs to let
3329 * them continue to work with drivers that do not need the
3330 * additional information -- drivers must check!
3332 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3333 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3335 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3336 if (params
.ssid_len
== 0 ||
3337 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3341 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3342 params
.hidden_ssid
= nla_get_u32(
3343 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3344 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3345 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3346 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3350 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3352 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3353 params
.auth_type
= nla_get_u32(
3354 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3355 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3356 NL80211_CMD_START_AP
))
3359 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3361 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3362 NL80211_MAX_NR_CIPHER_SUITES
);
3366 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3367 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3369 params
.inactivity_timeout
= nla_get_u16(
3370 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3373 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3374 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3376 params
.p2p_ctwindow
=
3377 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3378 if (params
.p2p_ctwindow
> 127)
3380 if (params
.p2p_ctwindow
!= 0 &&
3381 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3385 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3388 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3390 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3393 params
.p2p_opp_ps
= tmp
;
3394 if (params
.p2p_opp_ps
!= 0 &&
3395 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3399 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3400 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3403 } else if (wdev
->preset_chandef
.chan
) {
3404 params
.chandef
= wdev
->preset_chandef
;
3405 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3408 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
3412 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3413 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3414 if (IS_ERR(params
.acl
))
3415 return PTR_ERR(params
.acl
);
3418 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3420 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3421 switch (params
.smps_mode
) {
3422 case NL80211_SMPS_OFF
:
3424 case NL80211_SMPS_STATIC
:
3425 if (!(rdev
->wiphy
.features
&
3426 NL80211_FEATURE_STATIC_SMPS
))
3429 case NL80211_SMPS_DYNAMIC
:
3430 if (!(rdev
->wiphy
.features
&
3431 NL80211_FEATURE_DYNAMIC_SMPS
))
3438 params
.smps_mode
= NL80211_SMPS_OFF
;
3442 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3444 wdev
->preset_chandef
= params
.chandef
;
3445 wdev
->beacon_interval
= params
.beacon_interval
;
3446 wdev
->chandef
= params
.chandef
;
3447 wdev
->ssid_len
= params
.ssid_len
;
3448 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3457 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3459 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3460 struct net_device
*dev
= info
->user_ptr
[1];
3461 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3462 struct cfg80211_beacon_data params
;
3465 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3466 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3469 if (!rdev
->ops
->change_beacon
)
3472 if (!wdev
->beacon_interval
)
3475 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3480 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3486 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3488 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3489 struct net_device
*dev
= info
->user_ptr
[1];
3491 return cfg80211_stop_ap(rdev
, dev
, false);
3494 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3495 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3496 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3497 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3498 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3499 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3500 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3503 static int parse_station_flags(struct genl_info
*info
,
3504 enum nl80211_iftype iftype
,
3505 struct station_parameters
*params
)
3507 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3512 * Try parsing the new attribute first so userspace
3513 * can specify both for older kernels.
3515 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3517 struct nl80211_sta_flag_update
*sta_flags
;
3519 sta_flags
= nla_data(nla
);
3520 params
->sta_flags_mask
= sta_flags
->mask
;
3521 params
->sta_flags_set
= sta_flags
->set
;
3522 params
->sta_flags_set
&= params
->sta_flags_mask
;
3523 if ((params
->sta_flags_mask
|
3524 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3529 /* if present, parse the old attribute */
3531 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3535 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3536 nla
, sta_flags_policy
))
3540 * Only allow certain flags for interface types so that
3541 * other attributes are silently ignored. Remember that
3542 * this is backward compatibility code with old userspace
3543 * and shouldn't be hit in other cases anyway.
3546 case NL80211_IFTYPE_AP
:
3547 case NL80211_IFTYPE_AP_VLAN
:
3548 case NL80211_IFTYPE_P2P_GO
:
3549 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3550 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3551 BIT(NL80211_STA_FLAG_WME
) |
3552 BIT(NL80211_STA_FLAG_MFP
);
3554 case NL80211_IFTYPE_P2P_CLIENT
:
3555 case NL80211_IFTYPE_STATION
:
3556 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3557 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3559 case NL80211_IFTYPE_MESH_POINT
:
3560 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3561 BIT(NL80211_STA_FLAG_MFP
) |
3562 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3567 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3569 params
->sta_flags_set
|= (1<<flag
);
3571 /* no longer support new API additions in old API */
3572 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3580 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3583 struct nlattr
*rate
;
3586 enum nl80211_attrs rate_flg
;
3588 rate
= nla_nest_start(msg
, attr
);
3592 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3593 bitrate
= cfg80211_calculate_bitrate(info
);
3594 /* report 16-bit bitrate only if we can */
3595 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3597 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3599 if (bitrate_compat
> 0 &&
3600 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3604 case RATE_INFO_BW_5
:
3605 rate_flg
= NL80211_RATE_INFO_5_MHZ_WIDTH
;
3607 case RATE_INFO_BW_10
:
3608 rate_flg
= NL80211_RATE_INFO_10_MHZ_WIDTH
;
3613 case RATE_INFO_BW_20
:
3616 case RATE_INFO_BW_40
:
3617 rate_flg
= NL80211_RATE_INFO_40_MHZ_WIDTH
;
3619 case RATE_INFO_BW_80
:
3620 rate_flg
= NL80211_RATE_INFO_80_MHZ_WIDTH
;
3622 case RATE_INFO_BW_160
:
3623 rate_flg
= NL80211_RATE_INFO_160_MHZ_WIDTH
;
3627 if (rate_flg
&& nla_put_flag(msg
, rate_flg
))
3630 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3631 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3633 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3634 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3636 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3637 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3639 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3641 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3642 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3646 nla_nest_end(msg
, rate
);
3650 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3659 attr
= nla_nest_start(msg
, id
);
3663 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3664 if (!(mask
& BIT(i
)))
3667 if (nla_put_u8(msg
, i
, signal
[i
]))
3671 nla_nest_end(msg
, attr
);
3676 static int nl80211_send_station(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
3678 struct cfg80211_registered_device
*rdev
,
3679 struct net_device
*dev
,
3680 const u8
*mac_addr
, struct station_info
*sinfo
)
3683 struct nlattr
*sinfoattr
, *bss_param
;
3685 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
3689 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3690 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3691 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3692 goto nla_put_failure
;
3694 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3696 goto nla_put_failure
;
3698 #define PUT_SINFO(attr, memb, type) do { \
3699 if (sinfo->filled & BIT(NL80211_STA_INFO_ ## attr) && \
3700 nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \
3702 goto nla_put_failure; \
3705 PUT_SINFO(CONNECTED_TIME
, connected_time
, u32
);
3706 PUT_SINFO(INACTIVE_TIME
, inactive_time
, u32
);
3708 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_RX_BYTES
) |
3709 BIT(NL80211_STA_INFO_RX_BYTES64
)) &&
3710 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3711 (u32
)sinfo
->rx_bytes
))
3712 goto nla_put_failure
;
3714 if (sinfo
->filled
& (BIT(NL80211_STA_INFO_TX_BYTES
) |
3715 BIT(NL80211_STA_INFO_TX_BYTES64
)) &&
3716 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3717 (u32
)sinfo
->tx_bytes
))
3718 goto nla_put_failure
;
3720 PUT_SINFO(RX_BYTES64
, rx_bytes
, u64
);
3721 PUT_SINFO(TX_BYTES64
, tx_bytes
, u64
);
3722 PUT_SINFO(LLID
, llid
, u16
);
3723 PUT_SINFO(PLID
, plid
, u16
);
3724 PUT_SINFO(PLINK_STATE
, plink_state
, u8
);
3726 switch (rdev
->wiphy
.signal_type
) {
3727 case CFG80211_SIGNAL_TYPE_MBM
:
3728 PUT_SINFO(SIGNAL
, signal
, u8
);
3729 PUT_SINFO(SIGNAL_AVG
, signal_avg
, u8
);
3734 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL
)) {
3735 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3736 sinfo
->chain_signal
,
3737 NL80211_STA_INFO_CHAIN_SIGNAL
))
3738 goto nla_put_failure
;
3740 if (sinfo
->filled
& BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG
)) {
3741 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3742 sinfo
->chain_signal_avg
,
3743 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3744 goto nla_put_failure
;
3746 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TX_BITRATE
)) {
3747 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3748 NL80211_STA_INFO_TX_BITRATE
))
3749 goto nla_put_failure
;
3751 if (sinfo
->filled
& BIT(NL80211_STA_INFO_RX_BITRATE
)) {
3752 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3753 NL80211_STA_INFO_RX_BITRATE
))
3754 goto nla_put_failure
;
3757 PUT_SINFO(RX_PACKETS
, rx_packets
, u32
);
3758 PUT_SINFO(TX_PACKETS
, tx_packets
, u32
);
3759 PUT_SINFO(TX_RETRIES
, tx_retries
, u32
);
3760 PUT_SINFO(TX_FAILED
, tx_failed
, u32
);
3761 PUT_SINFO(EXPECTED_THROUGHPUT
, expected_throughput
, u32
);
3762 PUT_SINFO(BEACON_LOSS
, beacon_loss_count
, u32
);
3763 PUT_SINFO(LOCAL_PM
, local_pm
, u32
);
3764 PUT_SINFO(PEER_PM
, peer_pm
, u32
);
3765 PUT_SINFO(NONPEER_PM
, nonpeer_pm
, u32
);
3767 if (sinfo
->filled
& BIT(NL80211_STA_INFO_BSS_PARAM
)) {
3768 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3770 goto nla_put_failure
;
3772 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3773 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3774 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3775 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3776 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3777 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3778 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3779 sinfo
->bss_param
.dtim_period
) ||
3780 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3781 sinfo
->bss_param
.beacon_interval
))
3782 goto nla_put_failure
;
3784 nla_nest_end(msg
, bss_param
);
3786 if ((sinfo
->filled
& BIT(NL80211_STA_INFO_STA_FLAGS
)) &&
3787 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3788 sizeof(struct nl80211_sta_flag_update
),
3790 goto nla_put_failure
;
3792 PUT_SINFO(T_OFFSET
, t_offset
, u64
);
3793 PUT_SINFO(RX_DROP_MISC
, rx_dropped_misc
, u64
);
3794 PUT_SINFO(BEACON_RX
, rx_beacon
, u64
);
3795 PUT_SINFO(BEACON_SIGNAL_AVG
, rx_beacon_signal_avg
, u8
);
3799 if (sinfo
->filled
& BIT(NL80211_STA_INFO_TID_STATS
)) {
3800 struct nlattr
*tidsattr
;
3803 tidsattr
= nla_nest_start(msg
, NL80211_STA_INFO_TID_STATS
);
3805 goto nla_put_failure
;
3807 for (tid
= 0; tid
< IEEE80211_NUM_TIDS
+ 1; tid
++) {
3808 struct cfg80211_tid_stats
*tidstats
;
3809 struct nlattr
*tidattr
;
3811 tidstats
= &sinfo
->pertid
[tid
];
3813 if (!tidstats
->filled
)
3816 tidattr
= nla_nest_start(msg
, tid
+ 1);
3818 goto nla_put_failure
;
3820 #define PUT_TIDVAL(attr, memb, type) do { \
3821 if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \
3822 nla_put_ ## type(msg, NL80211_TID_STATS_ ## attr, \
3824 goto nla_put_failure; \
3827 PUT_TIDVAL(RX_MSDU
, rx_msdu
, u64
);
3828 PUT_TIDVAL(TX_MSDU
, tx_msdu
, u64
);
3829 PUT_TIDVAL(TX_MSDU_RETRIES
, tx_msdu_retries
, u64
);
3830 PUT_TIDVAL(TX_MSDU_FAILED
, tx_msdu_failed
, u64
);
3833 nla_nest_end(msg
, tidattr
);
3836 nla_nest_end(msg
, tidsattr
);
3839 nla_nest_end(msg
, sinfoattr
);
3841 if (sinfo
->assoc_req_ies_len
&&
3842 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3843 sinfo
->assoc_req_ies
))
3844 goto nla_put_failure
;
3846 genlmsg_end(msg
, hdr
);
3850 genlmsg_cancel(msg
, hdr
);
3854 static int nl80211_dump_station(struct sk_buff
*skb
,
3855 struct netlink_callback
*cb
)
3857 struct station_info sinfo
;
3858 struct cfg80211_registered_device
*rdev
;
3859 struct wireless_dev
*wdev
;
3860 u8 mac_addr
[ETH_ALEN
];
3861 int sta_idx
= cb
->args
[2];
3864 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3868 if (!wdev
->netdev
) {
3873 if (!rdev
->ops
->dump_station
) {
3879 memset(&sinfo
, 0, sizeof(sinfo
));
3880 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3887 if (nl80211_send_station(skb
, NL80211_CMD_NEW_STATION
,
3888 NETLINK_CB(cb
->skb
).portid
,
3889 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3890 rdev
, wdev
->netdev
, mac_addr
,
3899 cb
->args
[2] = sta_idx
;
3902 nl80211_finish_wdev_dump(rdev
);
3907 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3909 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3910 struct net_device
*dev
= info
->user_ptr
[1];
3911 struct station_info sinfo
;
3912 struct sk_buff
*msg
;
3913 u8
*mac_addr
= NULL
;
3916 memset(&sinfo
, 0, sizeof(sinfo
));
3918 if (!info
->attrs
[NL80211_ATTR_MAC
])
3921 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3923 if (!rdev
->ops
->get_station
)
3926 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3930 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3934 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
,
3935 info
->snd_portid
, info
->snd_seq
, 0,
3936 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3941 return genlmsg_reply(msg
, info
);
3944 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3945 struct station_parameters
*params
,
3946 enum cfg80211_station_type statype
)
3948 if (params
->listen_interval
!= -1)
3951 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3954 /* When you run into this, adjust the code below for the new flag */
3955 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3958 case CFG80211_STA_MESH_PEER_KERNEL
:
3959 case CFG80211_STA_MESH_PEER_USER
:
3961 * No ignoring the TDLS flag here -- the userspace mesh
3962 * code doesn't have the bug of including TDLS in the
3965 if (params
->sta_flags_mask
&
3966 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3967 BIT(NL80211_STA_FLAG_MFP
) |
3968 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3971 case CFG80211_STA_TDLS_PEER_SETUP
:
3972 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3973 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3975 /* ignore since it can't change */
3976 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3979 /* disallow mesh-specific things */
3980 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3982 if (params
->local_pm
)
3984 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3988 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3989 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3990 /* TDLS can't be set, ... */
3991 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3994 * ... but don't bother the driver with it. This works around
3995 * a hostapd/wpa_supplicant issue -- it always includes the
3996 * TLDS_PEER flag in the mask even for AP mode.
3998 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4001 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
4002 /* reject other things that can't change */
4003 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
4005 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
4007 if (params
->supported_rates
)
4009 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
4013 if (statype
!= CFG80211_STA_AP_CLIENT
) {
4019 case CFG80211_STA_AP_MLME_CLIENT
:
4020 /* Use this only for authorizing/unauthorizing a station */
4021 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
4024 case CFG80211_STA_AP_CLIENT
:
4025 /* accept only the listed bits */
4026 if (params
->sta_flags_mask
&
4027 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4028 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4029 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4030 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
4031 BIT(NL80211_STA_FLAG_WME
) |
4032 BIT(NL80211_STA_FLAG_MFP
)))
4035 /* but authenticated/associated only if driver handles it */
4036 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4037 params
->sta_flags_mask
&
4038 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4039 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4042 case CFG80211_STA_IBSS
:
4043 case CFG80211_STA_AP_STA
:
4044 /* reject any changes other than AUTHORIZED */
4045 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4048 case CFG80211_STA_TDLS_PEER_SETUP
:
4049 /* reject any changes other than AUTHORIZED or WME */
4050 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4051 BIT(NL80211_STA_FLAG_WME
)))
4053 /* force (at least) rates when authorizing */
4054 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4055 !params
->supported_rates
)
4058 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4059 /* reject any changes */
4061 case CFG80211_STA_MESH_PEER_KERNEL
:
4062 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4065 case CFG80211_STA_MESH_PEER_USER
:
4066 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
&&
4067 params
->plink_action
!= NL80211_PLINK_ACTION_BLOCK
)
4074 EXPORT_SYMBOL(cfg80211_check_station_change
);
4077 * Get vlan interface making sure it is running and on the right wiphy.
4079 static struct net_device
*get_vlan(struct genl_info
*info
,
4080 struct cfg80211_registered_device
*rdev
)
4082 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4083 struct net_device
*v
;
4089 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4091 return ERR_PTR(-ENODEV
);
4093 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4098 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4099 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4100 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4105 if (!netif_running(v
)) {
4113 return ERR_PTR(ret
);
4116 static const struct nla_policy
4117 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4118 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4119 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4122 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4123 struct station_parameters
*params
)
4125 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4129 /* parse WME attributes if present */
4130 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4133 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4134 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4135 nl80211_sta_wme_policy
);
4139 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4140 params
->uapsd_queues
= nla_get_u8(
4141 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4142 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4145 if (tb
[NL80211_STA_WME_MAX_SP
])
4146 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4148 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4151 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4156 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4157 struct station_parameters
*params
)
4159 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4160 params
->supported_channels
=
4161 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4162 params
->supported_channels_len
=
4163 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4165 * Need to include at least one (first channel, number of
4166 * channels) tuple for each subband, and must have proper
4167 * tuples for the rest of the data as well.
4169 if (params
->supported_channels_len
< 2)
4171 if (params
->supported_channels_len
% 2)
4175 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4176 params
->supported_oper_classes
=
4177 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4178 params
->supported_oper_classes_len
=
4179 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4181 * The value of the Length field of the Supported Operating
4182 * Classes element is between 2 and 253.
4184 if (params
->supported_oper_classes_len
< 2 ||
4185 params
->supported_oper_classes_len
> 253)
4191 static int nl80211_set_station_tdls(struct genl_info
*info
,
4192 struct station_parameters
*params
)
4195 /* Dummy STA entry gets updated once the peer capabilities are known */
4196 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4197 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4198 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4200 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4201 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4203 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4205 err
= nl80211_parse_sta_channel_info(info
, params
);
4209 return nl80211_parse_sta_wme(info
, params
);
4212 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4214 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4215 struct net_device
*dev
= info
->user_ptr
[1];
4216 struct station_parameters params
;
4220 memset(¶ms
, 0, sizeof(params
));
4222 params
.listen_interval
= -1;
4224 if (!rdev
->ops
->change_station
)
4227 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4230 if (!info
->attrs
[NL80211_ATTR_MAC
])
4233 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4235 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4236 params
.supported_rates
=
4237 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4238 params
.supported_rates_len
=
4239 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4242 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4244 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4245 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4248 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4250 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4251 params
.ext_capab_len
=
4252 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4255 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4258 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4261 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4262 params
.plink_action
=
4263 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4264 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4268 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4269 params
.plink_state
=
4270 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4271 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4273 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4276 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4277 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4278 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4280 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4281 pm
> NL80211_MESH_POWER_MAX
)
4284 params
.local_pm
= pm
;
4287 /* Include parameters for TDLS peer (will check later) */
4288 err
= nl80211_set_station_tdls(info
, ¶ms
);
4292 params
.vlan
= get_vlan(info
, rdev
);
4293 if (IS_ERR(params
.vlan
))
4294 return PTR_ERR(params
.vlan
);
4296 switch (dev
->ieee80211_ptr
->iftype
) {
4297 case NL80211_IFTYPE_AP
:
4298 case NL80211_IFTYPE_AP_VLAN
:
4299 case NL80211_IFTYPE_P2P_GO
:
4300 case NL80211_IFTYPE_P2P_CLIENT
:
4301 case NL80211_IFTYPE_STATION
:
4302 case NL80211_IFTYPE_ADHOC
:
4303 case NL80211_IFTYPE_MESH_POINT
:
4310 /* driver will call cfg80211_check_station_change() */
4311 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4315 dev_put(params
.vlan
);
4320 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4322 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4324 struct net_device
*dev
= info
->user_ptr
[1];
4325 struct station_parameters params
;
4326 u8
*mac_addr
= NULL
;
4328 memset(¶ms
, 0, sizeof(params
));
4330 if (!rdev
->ops
->add_station
)
4333 if (!info
->attrs
[NL80211_ATTR_MAC
])
4336 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4339 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4342 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4343 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4346 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4347 params
.supported_rates
=
4348 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4349 params
.supported_rates_len
=
4350 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4351 params
.listen_interval
=
4352 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4354 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4355 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4357 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4358 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4361 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4363 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4364 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4367 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4369 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4370 params
.ext_capab_len
=
4371 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4374 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4376 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4378 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4380 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4382 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4383 params
.opmode_notif_used
= true;
4384 params
.opmode_notif
=
4385 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4388 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4389 params
.plink_action
=
4390 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4391 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4395 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4399 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4403 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4406 /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT
4407 * as userspace might just pass through the capabilities from the IEs
4408 * directly, rather than enforcing this restriction and returning an
4409 * error in this case.
4411 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
))) {
4412 params
.ht_capa
= NULL
;
4413 params
.vht_capa
= NULL
;
4416 /* When you run into this, adjust the code below for the new flag */
4417 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4419 switch (dev
->ieee80211_ptr
->iftype
) {
4420 case NL80211_IFTYPE_AP
:
4421 case NL80211_IFTYPE_AP_VLAN
:
4422 case NL80211_IFTYPE_P2P_GO
:
4423 /* ignore WME attributes if iface/sta is not capable */
4424 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4425 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4426 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4428 /* TDLS peers cannot be added */
4429 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4430 info
->attrs
[NL80211_ATTR_PEER_AID
])
4432 /* but don't bother the driver with it */
4433 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4435 /* allow authenticated/associated only if driver handles it */
4436 if (!(rdev
->wiphy
.features
&
4437 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4438 params
.sta_flags_mask
&
4439 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4440 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4443 /* must be last in here for error handling */
4444 params
.vlan
= get_vlan(info
, rdev
);
4445 if (IS_ERR(params
.vlan
))
4446 return PTR_ERR(params
.vlan
);
4448 case NL80211_IFTYPE_MESH_POINT
:
4449 /* ignore uAPSD data */
4450 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4452 /* associated is disallowed */
4453 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4455 /* TDLS peers cannot be added */
4456 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4457 info
->attrs
[NL80211_ATTR_PEER_AID
])
4460 case NL80211_IFTYPE_STATION
:
4461 case NL80211_IFTYPE_P2P_CLIENT
:
4462 /* ignore uAPSD data */
4463 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4465 /* these are disallowed */
4466 if (params
.sta_flags_mask
&
4467 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4468 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4470 /* Only TDLS peers can be added */
4471 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4473 /* Can only add if TDLS ... */
4474 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4476 /* ... with external setup is supported */
4477 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4480 * Older wpa_supplicant versions always mark the TDLS peer
4481 * as authorized, but it shouldn't yet be.
4483 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4489 /* be aware of params.vlan when changing code here */
4491 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4494 dev_put(params
.vlan
);
4498 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4500 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4501 struct net_device
*dev
= info
->user_ptr
[1];
4502 struct station_del_parameters params
;
4504 memset(¶ms
, 0, sizeof(params
));
4506 if (info
->attrs
[NL80211_ATTR_MAC
])
4507 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4509 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4510 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4511 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4512 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4515 if (!rdev
->ops
->del_station
)
4518 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4520 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4521 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4522 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4525 /* Default to Deauthentication frame */
4526 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4529 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4530 params
.reason_code
=
4531 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4532 if (params
.reason_code
== 0)
4533 return -EINVAL
; /* 0 is reserved */
4535 /* Default to reason code 2 */
4536 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4539 return rdev_del_station(rdev
, dev
, ¶ms
);
4542 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4543 int flags
, struct net_device
*dev
,
4544 u8
*dst
, u8
*next_hop
,
4545 struct mpath_info
*pinfo
)
4548 struct nlattr
*pinfoattr
;
4550 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4554 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4555 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4556 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4557 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4558 goto nla_put_failure
;
4560 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4562 goto nla_put_failure
;
4563 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4564 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4566 goto nla_put_failure
;
4567 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4568 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4569 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4570 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4572 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4573 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4575 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4576 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4578 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4579 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4580 pinfo
->discovery_timeout
)) ||
4581 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4582 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4583 pinfo
->discovery_retries
)))
4584 goto nla_put_failure
;
4586 nla_nest_end(msg
, pinfoattr
);
4588 genlmsg_end(msg
, hdr
);
4592 genlmsg_cancel(msg
, hdr
);
4596 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4597 struct netlink_callback
*cb
)
4599 struct mpath_info pinfo
;
4600 struct cfg80211_registered_device
*rdev
;
4601 struct wireless_dev
*wdev
;
4603 u8 next_hop
[ETH_ALEN
];
4604 int path_idx
= cb
->args
[2];
4607 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4611 if (!rdev
->ops
->dump_mpath
) {
4616 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4622 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4629 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4630 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4631 wdev
->netdev
, dst
, next_hop
,
4640 cb
->args
[2] = path_idx
;
4643 nl80211_finish_wdev_dump(rdev
);
4647 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4649 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4651 struct net_device
*dev
= info
->user_ptr
[1];
4652 struct mpath_info pinfo
;
4653 struct sk_buff
*msg
;
4655 u8 next_hop
[ETH_ALEN
];
4657 memset(&pinfo
, 0, sizeof(pinfo
));
4659 if (!info
->attrs
[NL80211_ATTR_MAC
])
4662 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4664 if (!rdev
->ops
->get_mpath
)
4667 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4670 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4674 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4678 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4679 dev
, dst
, next_hop
, &pinfo
) < 0) {
4684 return genlmsg_reply(msg
, info
);
4687 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4689 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4690 struct net_device
*dev
= info
->user_ptr
[1];
4692 u8
*next_hop
= NULL
;
4694 if (!info
->attrs
[NL80211_ATTR_MAC
])
4697 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4700 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4701 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4703 if (!rdev
->ops
->change_mpath
)
4706 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4709 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4712 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4714 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4715 struct net_device
*dev
= info
->user_ptr
[1];
4717 u8
*next_hop
= NULL
;
4719 if (!info
->attrs
[NL80211_ATTR_MAC
])
4722 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4725 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4726 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4728 if (!rdev
->ops
->add_mpath
)
4731 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4734 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4737 static int nl80211_del_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];
4743 if (info
->attrs
[NL80211_ATTR_MAC
])
4744 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4746 if (!rdev
->ops
->del_mpath
)
4749 return rdev_del_mpath(rdev
, dev
, dst
);
4752 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4754 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4756 struct net_device
*dev
= info
->user_ptr
[1];
4757 struct mpath_info pinfo
;
4758 struct sk_buff
*msg
;
4762 memset(&pinfo
, 0, sizeof(pinfo
));
4764 if (!info
->attrs
[NL80211_ATTR_MAC
])
4767 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4769 if (!rdev
->ops
->get_mpp
)
4772 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4775 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4779 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4783 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4784 dev
, dst
, mpp
, &pinfo
) < 0) {
4789 return genlmsg_reply(msg
, info
);
4792 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4793 struct netlink_callback
*cb
)
4795 struct mpath_info pinfo
;
4796 struct cfg80211_registered_device
*rdev
;
4797 struct wireless_dev
*wdev
;
4800 int path_idx
= cb
->args
[2];
4803 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4807 if (!rdev
->ops
->dump_mpp
) {
4812 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4818 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4825 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4826 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4827 wdev
->netdev
, dst
, mpp
,
4835 cb
->args
[2] = path_idx
;
4838 nl80211_finish_wdev_dump(rdev
);
4842 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4844 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4845 struct net_device
*dev
= info
->user_ptr
[1];
4846 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4847 struct bss_parameters params
;
4850 memset(¶ms
, 0, sizeof(params
));
4851 /* default to not changing parameters */
4852 params
.use_cts_prot
= -1;
4853 params
.use_short_preamble
= -1;
4854 params
.use_short_slot_time
= -1;
4855 params
.ap_isolate
= -1;
4856 params
.ht_opmode
= -1;
4857 params
.p2p_ctwindow
= -1;
4858 params
.p2p_opp_ps
= -1;
4860 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4861 params
.use_cts_prot
=
4862 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4863 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4864 params
.use_short_preamble
=
4865 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4866 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4867 params
.use_short_slot_time
=
4868 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4869 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4870 params
.basic_rates
=
4871 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4872 params
.basic_rates_len
=
4873 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4875 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4876 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4877 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4879 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4881 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4882 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4884 params
.p2p_ctwindow
=
4885 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4886 if (params
.p2p_ctwindow
< 0)
4888 if (params
.p2p_ctwindow
!= 0 &&
4889 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4893 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4896 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4898 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4901 params
.p2p_opp_ps
= tmp
;
4902 if (params
.p2p_opp_ps
&&
4903 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4907 if (!rdev
->ops
->change_bss
)
4910 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4911 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4915 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4921 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4922 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4923 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4924 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4925 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4926 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4927 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4928 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4931 static int parse_reg_rule(struct nlattr
*tb
[],
4932 struct ieee80211_reg_rule
*reg_rule
)
4934 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4935 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4937 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4939 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4941 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4943 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4945 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4948 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4950 freq_range
->start_freq_khz
=
4951 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4952 freq_range
->end_freq_khz
=
4953 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4954 freq_range
->max_bandwidth_khz
=
4955 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4957 power_rule
->max_eirp
=
4958 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4960 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4961 power_rule
->max_antenna_gain
=
4962 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4964 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4965 reg_rule
->dfs_cac_ms
=
4966 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
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 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5604 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5605 struct nlattr
*nl_reg_rule
;
5607 int rem_reg_rules
, r
;
5608 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5609 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5610 struct ieee80211_regdomain
*rd
;
5612 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5615 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5618 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5620 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5621 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5623 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5626 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5630 if (!reg_is_valid_request(alpha2
))
5633 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5634 num_rules
* sizeof(struct ieee80211_reg_rule
);
5636 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5640 rd
->n_reg_rules
= num_rules
;
5641 rd
->alpha2
[0] = alpha2
[0];
5642 rd
->alpha2
[1] = alpha2
[1];
5645 * Disable DFS master mode if the DFS region was
5646 * not supported or known on this kernel.
5648 if (reg_supported_dfs_region(dfs_region
))
5649 rd
->dfs_region
= dfs_region
;
5651 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5653 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5654 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5658 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5664 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5670 r
= set_regdom(rd
, REGD_SOURCE_CRDA
);
5671 /* set_regdom took ownership */
5679 static int validate_scan_freqs(struct nlattr
*freqs
)
5681 struct nlattr
*attr1
, *attr2
;
5682 int n_channels
= 0, tmp1
, tmp2
;
5684 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5687 * Some hardware has a limited channel list for
5688 * scanning, and it is pretty much nonsensical
5689 * to scan for a channel twice, so disallow that
5690 * and don't require drivers to check that the
5691 * channel list they get isn't longer than what
5692 * they can scan, as long as they can scan all
5693 * the channels they registered at once.
5695 nla_for_each_nested(attr2
, freqs
, tmp2
)
5696 if (attr1
!= attr2
&&
5697 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5704 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5705 u8
*mac_addr
, u8
*mac_addr_mask
)
5709 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5710 eth_zero_addr(mac_addr
);
5711 eth_zero_addr(mac_addr_mask
);
5713 mac_addr_mask
[0] = 0x3;
5718 /* need both or none */
5719 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5722 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5723 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5725 /* don't allow or configure an mcast address */
5726 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5727 is_multicast_ether_addr(mac_addr
))
5731 * allow users to pass a MAC address that has bits set outside
5732 * of the mask, but don't bother drivers with having to deal
5735 for (i
= 0; i
< ETH_ALEN
; i
++)
5736 mac_addr
[i
] &= mac_addr_mask
[i
];
5741 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5743 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5744 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5745 struct cfg80211_scan_request
*request
;
5746 struct nlattr
*attr
;
5747 struct wiphy
*wiphy
;
5748 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5751 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5754 wiphy
= &rdev
->wiphy
;
5756 if (!rdev
->ops
->scan
)
5759 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5764 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5765 n_channels
= validate_scan_freqs(
5766 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5772 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5775 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5776 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5779 if (n_ssids
> wiphy
->max_scan_ssids
) {
5784 if (info
->attrs
[NL80211_ATTR_IE
])
5785 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5789 if (ie_len
> wiphy
->max_scan_ie_len
) {
5794 request
= kzalloc(sizeof(*request
)
5795 + sizeof(*request
->ssids
) * n_ssids
5796 + sizeof(*request
->channels
) * n_channels
5797 + ie_len
, GFP_KERNEL
);
5804 request
->ssids
= (void *)&request
->channels
[n_channels
];
5805 request
->n_ssids
= n_ssids
;
5808 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5810 request
->ie
= (void *)(request
->channels
+ n_channels
);
5814 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5815 /* user specified, bail out if channel not found */
5816 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5817 struct ieee80211_channel
*chan
;
5819 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5826 /* ignore disabled channels */
5827 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5830 request
->channels
[i
] = chan
;
5834 enum ieee80211_band band
;
5837 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5839 if (!wiphy
->bands
[band
])
5841 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5842 struct ieee80211_channel
*chan
;
5844 chan
= &wiphy
->bands
[band
]->channels
[j
];
5846 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5849 request
->channels
[i
] = chan
;
5860 request
->n_channels
= i
;
5864 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5865 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5869 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5870 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5875 if (info
->attrs
[NL80211_ATTR_IE
]) {
5876 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5877 memcpy((void *)request
->ie
,
5878 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5882 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5883 if (wiphy
->bands
[i
])
5885 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5887 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5888 nla_for_each_nested(attr
,
5889 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5891 enum ieee80211_band band
= nla_type(attr
);
5893 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5898 if (!wiphy
->bands
[band
])
5901 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5904 &request
->rates
[band
]);
5910 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5911 request
->flags
= nla_get_u32(
5912 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5913 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5914 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5919 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5920 if (!(wiphy
->features
&
5921 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5926 if (wdev
->current_bss
) {
5931 err
= nl80211_parse_random_mac(info
->attrs
,
5933 request
->mac_addr_mask
);
5940 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5942 request
->wdev
= wdev
;
5943 request
->wiphy
= &rdev
->wiphy
;
5944 request
->scan_start
= jiffies
;
5946 rdev
->scan_req
= request
;
5947 err
= rdev_scan(rdev
, request
);
5950 nl80211_send_scan_start(rdev
, wdev
);
5952 dev_hold(wdev
->netdev
);
5955 rdev
->scan_req
= NULL
;
5963 static struct cfg80211_sched_scan_request
*
5964 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
5965 struct nlattr
**attrs
)
5967 struct cfg80211_sched_scan_request
*request
;
5968 struct nlattr
*attr
;
5969 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5971 enum ieee80211_band band
;
5973 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5974 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5976 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
5977 return ERR_PTR(-EINVAL
);
5979 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5980 return ERR_PTR(-EINVAL
);
5982 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5984 return ERR_PTR(-EINVAL
);
5986 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5987 n_channels
= validate_scan_freqs(
5988 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5990 return ERR_PTR(-EINVAL
);
5992 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5995 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
5996 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6000 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
6001 return ERR_PTR(-EINVAL
);
6004 * First, count the number of 'real' matchsets. Due to an issue with
6005 * the old implementation, matchsets containing only the RSSI attribute
6006 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
6007 * RSSI for all matchsets, rather than their own matchset for reporting
6008 * all APs with a strong RSSI. This is needed to be compatible with
6009 * older userspace that treated a matchset with only the RSSI as the
6010 * global RSSI for all other matchsets - if there are other matchsets.
6012 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6013 nla_for_each_nested(attr
,
6014 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6016 struct nlattr
*rssi
;
6018 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6019 nla_data(attr
), nla_len(attr
),
6020 nl80211_match_policy
);
6022 return ERR_PTR(err
);
6023 /* add other standalone attributes here */
6024 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
6028 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6030 default_match_rssi
= nla_get_s32(rssi
);
6034 /* However, if there's no other matchset, add the RSSI one */
6035 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
6038 if (n_match_sets
> wiphy
->max_match_sets
)
6039 return ERR_PTR(-EINVAL
);
6041 if (attrs
[NL80211_ATTR_IE
])
6042 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
6046 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
6047 return ERR_PTR(-EINVAL
);
6049 request
= kzalloc(sizeof(*request
)
6050 + sizeof(*request
->ssids
) * n_ssids
6051 + sizeof(*request
->match_sets
) * n_match_sets
6052 + sizeof(*request
->channels
) * n_channels
6053 + ie_len
, GFP_KERNEL
);
6055 return ERR_PTR(-ENOMEM
);
6058 request
->ssids
= (void *)&request
->channels
[n_channels
];
6059 request
->n_ssids
= n_ssids
;
6062 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
6064 request
->ie
= (void *)(request
->channels
+ n_channels
);
6069 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
6071 request
->match_sets
=
6072 (void *)(request
->ssids
+ n_ssids
);
6074 request
->match_sets
=
6075 (void *)(request
->channels
+ n_channels
);
6077 request
->n_match_sets
= n_match_sets
;
6080 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6081 /* user specified, bail out if channel not found */
6082 nla_for_each_nested(attr
,
6083 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6085 struct ieee80211_channel
*chan
;
6087 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6094 /* ignore disabled channels */
6095 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6098 request
->channels
[i
] = chan
;
6103 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6105 if (!wiphy
->bands
[band
])
6107 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6108 struct ieee80211_channel
*chan
;
6110 chan
= &wiphy
->bands
[band
]->channels
[j
];
6112 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6115 request
->channels
[i
] = chan
;
6126 request
->n_channels
= i
;
6130 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6132 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6136 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6137 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6144 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6145 nla_for_each_nested(attr
,
6146 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6148 struct nlattr
*ssid
, *rssi
;
6150 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6151 nla_data(attr
), nla_len(attr
),
6152 nl80211_match_policy
);
6155 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6157 if (WARN_ON(i
>= n_match_sets
)) {
6158 /* this indicates a programming error,
6159 * the loop above should have verified
6166 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6170 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6171 nla_data(ssid
), nla_len(ssid
));
6172 request
->match_sets
[i
].ssid
.ssid_len
=
6174 /* special attribute - old implemenation w/a */
6175 request
->match_sets
[i
].rssi_thold
=
6177 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6179 request
->match_sets
[i
].rssi_thold
=
6185 /* there was no other matchset, so the RSSI one is alone */
6186 if (i
== 0 && n_match_sets
)
6187 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6189 request
->min_rssi_thold
= INT_MAX
;
6190 for (i
= 0; i
< n_match_sets
; i
++)
6191 request
->min_rssi_thold
=
6192 min(request
->match_sets
[i
].rssi_thold
,
6193 request
->min_rssi_thold
);
6195 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6199 request
->ie_len
= ie_len
;
6200 memcpy((void *)request
->ie
,
6201 nla_data(attrs
[NL80211_ATTR_IE
]),
6205 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6206 request
->flags
= nla_get_u32(
6207 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6208 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6209 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6214 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6215 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6217 if (!wdev
) /* must be net-detect */
6218 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6220 if (!(wiphy
->features
& flg
)) {
6225 if (wdev
&& wdev
->current_bss
) {
6230 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6231 request
->mac_addr_mask
);
6237 if (attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
])
6239 nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_DELAY
]);
6241 request
->interval
= interval
;
6242 request
->scan_start
= jiffies
;
6248 return ERR_PTR(err
);
6251 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6252 struct genl_info
*info
)
6254 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6255 struct net_device
*dev
= info
->user_ptr
[1];
6256 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6257 struct cfg80211_sched_scan_request
*sched_scan_req
;
6260 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6261 !rdev
->ops
->sched_scan_start
)
6264 if (rdev
->sched_scan_req
)
6265 return -EINPROGRESS
;
6267 sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6270 err
= PTR_ERR_OR_ZERO(sched_scan_req
);
6274 err
= rdev_sched_scan_start(rdev
, dev
, sched_scan_req
);
6278 sched_scan_req
->dev
= dev
;
6279 sched_scan_req
->wiphy
= &rdev
->wiphy
;
6281 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
6282 sched_scan_req
->owner_nlportid
= info
->snd_portid
;
6284 rcu_assign_pointer(rdev
->sched_scan_req
, sched_scan_req
);
6286 nl80211_send_sched_scan(rdev
, dev
,
6287 NL80211_CMD_START_SCHED_SCAN
);
6291 kfree(sched_scan_req
);
6296 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6297 struct genl_info
*info
)
6299 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6301 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6302 !rdev
->ops
->sched_scan_stop
)
6305 return __cfg80211_stop_sched_scan(rdev
, false);
6308 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6309 struct genl_info
*info
)
6311 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6312 struct net_device
*dev
= info
->user_ptr
[1];
6313 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6314 struct cfg80211_chan_def chandef
;
6315 enum nl80211_dfs_regions dfs_region
;
6316 unsigned int cac_time_ms
;
6319 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6320 if (dfs_region
== NL80211_DFS_UNSET
)
6323 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6327 if (netif_carrier_ok(dev
))
6330 if (wdev
->cac_started
)
6333 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6341 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6344 if (!rdev
->ops
->start_radar_detection
)
6347 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6348 if (WARN_ON(!cac_time_ms
))
6349 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6351 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6354 wdev
->chandef
= chandef
;
6355 wdev
->cac_started
= true;
6356 wdev
->cac_start_time
= jiffies
;
6357 wdev
->cac_time_ms
= cac_time_ms
;
6362 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6364 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6365 struct net_device
*dev
= info
->user_ptr
[1];
6366 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6367 struct cfg80211_csa_settings params
;
6368 /* csa_attrs is defined static to avoid waste of stack size - this
6369 * function is called under RTNL lock, so this should not be a problem.
6371 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6373 bool need_new_beacon
= false;
6377 if (!rdev
->ops
->channel_switch
||
6378 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6381 switch (dev
->ieee80211_ptr
->iftype
) {
6382 case NL80211_IFTYPE_AP
:
6383 case NL80211_IFTYPE_P2P_GO
:
6384 need_new_beacon
= true;
6386 /* useless if AP is not running */
6387 if (!wdev
->beacon_interval
)
6390 case NL80211_IFTYPE_ADHOC
:
6391 if (!wdev
->ssid_len
)
6394 case NL80211_IFTYPE_MESH_POINT
:
6395 if (!wdev
->mesh_id_len
)
6402 memset(¶ms
, 0, sizeof(params
));
6404 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6405 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6408 /* only important for AP, IBSS and mesh create IEs internally */
6409 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6412 /* Even though the attribute is u32, the specification says
6413 * u8, so let's make sure we don't overflow.
6415 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6419 params
.count
= cs_count
;
6421 if (!need_new_beacon
)
6424 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6428 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6429 info
->attrs
[NL80211_ATTR_CSA_IES
],
6434 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6438 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6441 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6442 if (!len
|| (len
% sizeof(u16
)))
6445 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6446 if (rdev
->wiphy
.max_num_csa_counters
&&
6447 (params
.n_counter_offsets_beacon
>
6448 rdev
->wiphy
.max_num_csa_counters
))
6451 params
.counter_offsets_beacon
=
6452 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6454 /* sanity checks - counters should fit and be the same */
6455 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6456 u16 offset
= params
.counter_offsets_beacon
[i
];
6458 if (offset
>= params
.beacon_csa
.tail_len
)
6461 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6465 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6466 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6467 if (!len
|| (len
% sizeof(u16
)))
6470 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6471 if (rdev
->wiphy
.max_num_csa_counters
&&
6472 (params
.n_counter_offsets_beacon
>
6473 rdev
->wiphy
.max_num_csa_counters
))
6476 params
.counter_offsets_presp
=
6477 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6479 /* sanity checks - counters should fit and be the same */
6480 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6481 u16 offset
= params
.counter_offsets_presp
[i
];
6483 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6486 if (params
.beacon_csa
.probe_resp
[offset
] !=
6493 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6497 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, ¶ms
.chandef
,
6501 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6508 params
.radar_required
= true;
6510 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6511 params
.block_tx
= true;
6514 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6520 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6522 struct cfg80211_registered_device
*rdev
,
6523 struct wireless_dev
*wdev
,
6524 struct cfg80211_internal_bss
*intbss
)
6526 struct cfg80211_bss
*res
= &intbss
->pub
;
6527 const struct cfg80211_bss_ies
*ies
;
6531 ASSERT_WDEV_LOCK(wdev
);
6533 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6534 NL80211_CMD_NEW_SCAN_RESULTS
);
6538 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6540 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6541 goto nla_put_failure
;
6543 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6544 goto nla_put_failure
;
6545 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6546 goto nla_put_failure
;
6548 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6550 goto nla_put_failure
;
6551 if ((!is_zero_ether_addr(res
->bssid
) &&
6552 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6553 goto nla_put_failure
;
6556 /* indicate whether we have probe response data or not */
6557 if (rcu_access_pointer(res
->proberesp_ies
) &&
6558 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6559 goto fail_unlock_rcu
;
6561 /* this pointer prefers to be pointed to probe response data
6562 * but is always valid
6564 ies
= rcu_dereference(res
->ies
);
6566 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6567 goto fail_unlock_rcu
;
6568 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6569 ies
->len
, ies
->data
))
6570 goto fail_unlock_rcu
;
6573 /* and this pointer is always (unless driver didn't know) beacon data */
6574 ies
= rcu_dereference(res
->beacon_ies
);
6575 if (ies
&& ies
->from_beacon
) {
6576 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6577 goto fail_unlock_rcu
;
6578 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6579 ies
->len
, ies
->data
))
6580 goto fail_unlock_rcu
;
6584 if (res
->beacon_interval
&&
6585 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6586 goto nla_put_failure
;
6587 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6588 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6589 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6590 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6591 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6592 goto nla_put_failure
;
6594 switch (rdev
->wiphy
.signal_type
) {
6595 case CFG80211_SIGNAL_TYPE_MBM
:
6596 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6597 goto nla_put_failure
;
6599 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6600 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6601 goto nla_put_failure
;
6607 switch (wdev
->iftype
) {
6608 case NL80211_IFTYPE_P2P_CLIENT
:
6609 case NL80211_IFTYPE_STATION
:
6610 if (intbss
== wdev
->current_bss
&&
6611 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6612 NL80211_BSS_STATUS_ASSOCIATED
))
6613 goto nla_put_failure
;
6615 case NL80211_IFTYPE_ADHOC
:
6616 if (intbss
== wdev
->current_bss
&&
6617 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6618 NL80211_BSS_STATUS_IBSS_JOINED
))
6619 goto nla_put_failure
;
6625 nla_nest_end(msg
, bss
);
6627 genlmsg_end(msg
, hdr
);
6633 genlmsg_cancel(msg
, hdr
);
6637 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6639 struct cfg80211_registered_device
*rdev
;
6640 struct cfg80211_internal_bss
*scan
;
6641 struct wireless_dev
*wdev
;
6642 int start
= cb
->args
[2], idx
= 0;
6645 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6650 spin_lock_bh(&rdev
->bss_lock
);
6651 cfg80211_bss_expire(rdev
);
6653 cb
->seq
= rdev
->bss_generation
;
6655 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6658 if (nl80211_send_bss(skb
, cb
,
6659 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6660 rdev
, wdev
, scan
) < 0) {
6666 spin_unlock_bh(&rdev
->bss_lock
);
6670 nl80211_finish_wdev_dump(rdev
);
6675 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6676 int flags
, struct net_device
*dev
,
6677 bool allow_radio_stats
,
6678 struct survey_info
*survey
)
6681 struct nlattr
*infoattr
;
6683 /* skip radio stats if userspace didn't request them */
6684 if (!survey
->channel
&& !allow_radio_stats
)
6687 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6688 NL80211_CMD_NEW_SURVEY_RESULTS
);
6692 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6693 goto nla_put_failure
;
6695 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6697 goto nla_put_failure
;
6699 if (survey
->channel
&&
6700 nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6701 survey
->channel
->center_freq
))
6702 goto nla_put_failure
;
6704 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6705 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6706 goto nla_put_failure
;
6707 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6708 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6709 goto nla_put_failure
;
6710 if ((survey
->filled
& SURVEY_INFO_TIME
) &&
6711 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME
,
6713 goto nla_put_failure
;
6714 if ((survey
->filled
& SURVEY_INFO_TIME_BUSY
) &&
6715 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_BUSY
,
6717 goto nla_put_failure
;
6718 if ((survey
->filled
& SURVEY_INFO_TIME_EXT_BUSY
) &&
6719 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_EXT_BUSY
,
6720 survey
->time_ext_busy
))
6721 goto nla_put_failure
;
6722 if ((survey
->filled
& SURVEY_INFO_TIME_RX
) &&
6723 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_RX
,
6725 goto nla_put_failure
;
6726 if ((survey
->filled
& SURVEY_INFO_TIME_TX
) &&
6727 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_TX
,
6729 goto nla_put_failure
;
6730 if ((survey
->filled
& SURVEY_INFO_TIME_SCAN
) &&
6731 nla_put_u64(msg
, NL80211_SURVEY_INFO_TIME_SCAN
,
6733 goto nla_put_failure
;
6735 nla_nest_end(msg
, infoattr
);
6737 genlmsg_end(msg
, hdr
);
6741 genlmsg_cancel(msg
, hdr
);
6745 static int nl80211_dump_survey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6747 struct survey_info survey
;
6748 struct cfg80211_registered_device
*rdev
;
6749 struct wireless_dev
*wdev
;
6750 int survey_idx
= cb
->args
[2];
6754 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6758 /* prepare_wdev_dump parsed the attributes */
6759 radio_stats
= nl80211_fam
.attrbuf
[NL80211_ATTR_SURVEY_RADIO_STATS
];
6761 if (!wdev
->netdev
) {
6766 if (!rdev
->ops
->dump_survey
) {
6772 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6778 /* don't send disabled channels, but do send non-channel data */
6779 if (survey
.channel
&&
6780 survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
6785 if (nl80211_send_survey(skb
,
6786 NETLINK_CB(cb
->skb
).portid
,
6787 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6788 wdev
->netdev
, radio_stats
, &survey
) < 0)
6794 cb
->args
[2] = survey_idx
;
6797 nl80211_finish_wdev_dump(rdev
);
6801 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6803 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6804 NL80211_WPA_VERSION_2
));
6807 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6809 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6810 struct net_device
*dev
= info
->user_ptr
[1];
6811 struct ieee80211_channel
*chan
;
6812 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6813 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6814 enum nl80211_auth_type auth_type
;
6815 struct key_parse key
;
6816 bool local_state_change
;
6818 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6821 if (!info
->attrs
[NL80211_ATTR_MAC
])
6824 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6827 if (!info
->attrs
[NL80211_ATTR_SSID
])
6830 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6833 err
= nl80211_parse_key(info
, &key
);
6838 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6840 if (!key
.p
.key
|| !key
.p
.key_len
)
6842 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6843 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6844 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6845 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6857 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6858 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6867 if (!rdev
->ops
->auth
)
6870 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6871 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6874 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6875 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6876 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6880 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6881 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6883 if (info
->attrs
[NL80211_ATTR_IE
]) {
6884 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6885 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6888 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6889 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6892 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6893 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6896 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6897 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6899 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6900 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6901 /* need to include at least Auth Transaction and Status Code */
6902 if (sae_data_len
< 4)
6906 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6909 * Since we no longer track auth state, ignore
6910 * requests to only change local state.
6912 if (local_state_change
)
6915 wdev_lock(dev
->ieee80211_ptr
);
6916 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6917 ssid
, ssid_len
, ie
, ie_len
,
6918 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6919 sae_data
, sae_data_len
);
6920 wdev_unlock(dev
->ieee80211_ptr
);
6924 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6925 struct genl_info
*info
,
6926 struct cfg80211_crypto_settings
*settings
,
6929 memset(settings
, 0, sizeof(*settings
));
6931 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6933 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6935 proto
= nla_get_u16(
6936 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6937 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6938 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6941 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6942 settings
->control_port_no_encrypt
= true;
6944 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6946 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6950 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6951 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6952 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6954 if (len
% sizeof(u32
))
6957 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6960 memcpy(settings
->ciphers_pairwise
, data
, len
);
6962 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6963 if (!cfg80211_supported_cipher_suite(
6965 settings
->ciphers_pairwise
[i
]))
6969 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6970 settings
->cipher_group
=
6971 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6972 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6973 settings
->cipher_group
))
6977 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6978 settings
->wpa_versions
=
6979 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6980 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6984 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6988 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6989 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6990 settings
->n_akm_suites
= len
/ sizeof(u32
);
6992 if (len
% sizeof(u32
))
6995 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6998 memcpy(settings
->akm_suites
, data
, len
);
7004 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
7006 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7007 struct net_device
*dev
= info
->user_ptr
[1];
7008 struct ieee80211_channel
*chan
;
7009 struct cfg80211_assoc_request req
= {};
7010 const u8
*bssid
, *ssid
;
7011 int err
, ssid_len
= 0;
7013 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7016 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
7017 !info
->attrs
[NL80211_ATTR_SSID
] ||
7018 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7021 if (!rdev
->ops
->assoc
)
7024 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7025 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7028 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7030 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
7031 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7035 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7036 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7038 if (info
->attrs
[NL80211_ATTR_IE
]) {
7039 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7040 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7043 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7044 enum nl80211_mfp mfp
=
7045 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7046 if (mfp
== NL80211_MFP_REQUIRED
)
7048 else if (mfp
!= NL80211_MFP_NO
)
7052 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
7053 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
7055 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7056 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
7058 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7059 memcpy(&req
.ht_capa_mask
,
7060 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7061 sizeof(req
.ht_capa_mask
));
7063 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7064 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7066 memcpy(&req
.ht_capa
,
7067 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7068 sizeof(req
.ht_capa
));
7071 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7072 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7074 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7075 memcpy(&req
.vht_capa_mask
,
7076 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7077 sizeof(req
.vht_capa_mask
));
7079 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7080 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7082 memcpy(&req
.vht_capa
,
7083 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7084 sizeof(req
.vht_capa
));
7087 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7088 if (!(rdev
->wiphy
.features
&
7089 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7090 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7092 req
.flags
|= ASSOC_REQ_USE_RRM
;
7095 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
7097 wdev_lock(dev
->ieee80211_ptr
);
7098 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
7099 ssid
, ssid_len
, &req
);
7100 wdev_unlock(dev
->ieee80211_ptr
);
7106 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7108 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7109 struct net_device
*dev
= info
->user_ptr
[1];
7110 const u8
*ie
= NULL
, *bssid
;
7111 int ie_len
= 0, err
;
7113 bool local_state_change
;
7115 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7118 if (!info
->attrs
[NL80211_ATTR_MAC
])
7121 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7124 if (!rdev
->ops
->deauth
)
7127 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7128 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7131 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7133 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7134 if (reason_code
== 0) {
7135 /* Reason Code 0 is reserved */
7139 if (info
->attrs
[NL80211_ATTR_IE
]) {
7140 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7141 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7144 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7146 wdev_lock(dev
->ieee80211_ptr
);
7147 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7148 local_state_change
);
7149 wdev_unlock(dev
->ieee80211_ptr
);
7153 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7155 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7156 struct net_device
*dev
= info
->user_ptr
[1];
7157 const u8
*ie
= NULL
, *bssid
;
7158 int ie_len
= 0, err
;
7160 bool local_state_change
;
7162 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7165 if (!info
->attrs
[NL80211_ATTR_MAC
])
7168 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7171 if (!rdev
->ops
->disassoc
)
7174 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7175 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7178 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7180 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7181 if (reason_code
== 0) {
7182 /* Reason Code 0 is reserved */
7186 if (info
->attrs
[NL80211_ATTR_IE
]) {
7187 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7188 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7191 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7193 wdev_lock(dev
->ieee80211_ptr
);
7194 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7195 local_state_change
);
7196 wdev_unlock(dev
->ieee80211_ptr
);
7201 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7202 int mcast_rate
[IEEE80211_NUM_BANDS
],
7205 struct wiphy
*wiphy
= &rdev
->wiphy
;
7209 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
7210 struct ieee80211_supported_band
*sband
;
7212 sband
= wiphy
->bands
[band
];
7216 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7217 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7218 mcast_rate
[band
] = i
+ 1;
7228 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7230 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7231 struct net_device
*dev
= info
->user_ptr
[1];
7232 struct cfg80211_ibss_params ibss
;
7233 struct wiphy
*wiphy
;
7234 struct cfg80211_cached_keys
*connkeys
= NULL
;
7237 memset(&ibss
, 0, sizeof(ibss
));
7239 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7242 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7243 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7246 ibss
.beacon_interval
= 100;
7248 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7249 ibss
.beacon_interval
=
7250 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7251 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7255 if (!rdev
->ops
->join_ibss
)
7258 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7261 wiphy
= &rdev
->wiphy
;
7263 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7264 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7266 if (!is_valid_ether_addr(ibss
.bssid
))
7269 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7270 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7272 if (info
->attrs
[NL80211_ATTR_IE
]) {
7273 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7274 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7277 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7281 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7282 NL80211_IFTYPE_ADHOC
))
7285 switch (ibss
.chandef
.width
) {
7286 case NL80211_CHAN_WIDTH_5
:
7287 case NL80211_CHAN_WIDTH_10
:
7288 case NL80211_CHAN_WIDTH_20_NOHT
:
7290 case NL80211_CHAN_WIDTH_20
:
7291 case NL80211_CHAN_WIDTH_40
:
7292 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7295 case NL80211_CHAN_WIDTH_80
:
7296 case NL80211_CHAN_WIDTH_80P80
:
7297 case NL80211_CHAN_WIDTH_160
:
7298 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
7300 if (!wiphy_ext_feature_isset(&rdev
->wiphy
,
7301 NL80211_EXT_FEATURE_VHT_IBSS
))
7308 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7309 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7311 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7313 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7315 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7316 struct ieee80211_supported_band
*sband
=
7317 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7319 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7325 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7326 memcpy(&ibss
.ht_capa_mask
,
7327 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7328 sizeof(ibss
.ht_capa_mask
));
7330 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7331 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7333 memcpy(&ibss
.ht_capa
,
7334 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7335 sizeof(ibss
.ht_capa
));
7338 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7339 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7340 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7343 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7346 connkeys
= nl80211_parse_connkeys(rdev
,
7347 info
->attrs
[NL80211_ATTR_KEYS
],
7349 if (IS_ERR(connkeys
))
7350 return PTR_ERR(connkeys
);
7352 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7360 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7362 ibss
.userspace_handles_dfs
=
7363 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7365 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7371 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7373 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7374 struct net_device
*dev
= info
->user_ptr
[1];
7376 if (!rdev
->ops
->leave_ibss
)
7379 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7382 return cfg80211_leave_ibss(rdev
, dev
, false);
7385 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7387 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7388 struct net_device
*dev
= info
->user_ptr
[1];
7389 int mcast_rate
[IEEE80211_NUM_BANDS
];
7393 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7394 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
7395 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_OCB
)
7398 if (!rdev
->ops
->set_mcast_rate
)
7401 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7403 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7406 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7407 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7410 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7415 static struct sk_buff
*
7416 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7417 struct wireless_dev
*wdev
, int approxlen
,
7418 u32 portid
, u32 seq
, enum nl80211_commands cmd
,
7419 enum nl80211_attrs attr
,
7420 const struct nl80211_vendor_cmd_info
*info
,
7423 struct sk_buff
*skb
;
7425 struct nlattr
*data
;
7427 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7431 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7437 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7438 goto nla_put_failure
;
7441 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7443 goto nla_put_failure
;
7444 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7446 goto nla_put_failure
;
7450 if (nla_put_u64(skb
, NL80211_ATTR_WDEV
,
7452 goto nla_put_failure
;
7454 nla_put_u32(skb
, NL80211_ATTR_IFINDEX
,
7455 wdev
->netdev
->ifindex
))
7456 goto nla_put_failure
;
7459 data
= nla_nest_start(skb
, attr
);
7461 ((void **)skb
->cb
)[0] = rdev
;
7462 ((void **)skb
->cb
)[1] = hdr
;
7463 ((void **)skb
->cb
)[2] = data
;
7472 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7473 struct wireless_dev
*wdev
,
7474 enum nl80211_commands cmd
,
7475 enum nl80211_attrs attr
,
7476 int vendor_event_idx
,
7477 int approxlen
, gfp_t gfp
)
7479 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7480 const struct nl80211_vendor_cmd_info
*info
;
7483 case NL80211_CMD_TESTMODE
:
7484 if (WARN_ON(vendor_event_idx
!= -1))
7488 case NL80211_CMD_VENDOR
:
7489 if (WARN_ON(vendor_event_idx
< 0 ||
7490 vendor_event_idx
>= wiphy
->n_vendor_events
))
7492 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7499 return __cfg80211_alloc_vendor_skb(rdev
, wdev
, approxlen
, 0, 0,
7500 cmd
, attr
, info
, gfp
);
7502 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7504 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7506 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7507 void *hdr
= ((void **)skb
->cb
)[1];
7508 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7509 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7511 /* clear CB data for netlink core to own from now on */
7512 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7514 nla_nest_end(skb
, data
);
7515 genlmsg_end(skb
, hdr
);
7517 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7518 mcgrp
= NL80211_MCGRP_VENDOR
;
7520 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7523 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7525 #ifdef CONFIG_NL80211_TESTMODE
7526 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7528 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7529 struct wireless_dev
*wdev
=
7530 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7533 if (!rdev
->ops
->testmode_cmd
)
7537 err
= PTR_ERR(wdev
);
7541 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7545 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7548 rdev
->cur_cmd_info
= info
;
7549 err
= rdev_testmode_cmd(rdev
, wdev
,
7550 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7551 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7552 rdev
->cur_cmd_info
= NULL
;
7557 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7558 struct netlink_callback
*cb
)
7560 struct cfg80211_registered_device
*rdev
;
7570 * 0 is a valid index, but not valid for args[0],
7571 * so we need to offset by 1.
7573 phy_idx
= cb
->args
[0] - 1;
7575 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7576 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7581 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7582 nl80211_fam
.attrbuf
);
7584 err
= PTR_ERR(rdev
);
7587 phy_idx
= rdev
->wiphy_idx
;
7590 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7592 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7596 data
= nla_data((void *)cb
->args
[1]);
7597 data_len
= nla_len((void *)cb
->args
[1]);
7600 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7606 if (!rdev
->ops
->testmode_dump
) {
7612 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7613 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7614 NL80211_CMD_TESTMODE
);
7615 struct nlattr
*tmdata
;
7620 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7621 genlmsg_cancel(skb
, hdr
);
7625 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7627 genlmsg_cancel(skb
, hdr
);
7630 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7631 nla_nest_end(skb
, tmdata
);
7633 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7634 genlmsg_cancel(skb
, hdr
);
7637 genlmsg_cancel(skb
, hdr
);
7641 genlmsg_end(skb
, hdr
);
7646 cb
->args
[0] = phy_idx
+ 1;
7653 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7655 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7656 struct net_device
*dev
= info
->user_ptr
[1];
7657 struct cfg80211_connect_params connect
;
7658 struct wiphy
*wiphy
;
7659 struct cfg80211_cached_keys
*connkeys
= NULL
;
7662 memset(&connect
, 0, sizeof(connect
));
7664 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7667 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7668 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7671 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7673 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7674 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7675 NL80211_CMD_CONNECT
))
7678 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7680 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7682 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7683 NL80211_MAX_NR_CIPHER_SUITES
);
7687 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7688 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7691 wiphy
= &rdev
->wiphy
;
7693 connect
.bg_scan_period
= -1;
7694 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7695 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7696 connect
.bg_scan_period
=
7697 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7700 if (info
->attrs
[NL80211_ATTR_MAC
])
7701 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7702 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7703 connect
.bssid_hint
=
7704 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7705 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7706 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7708 if (info
->attrs
[NL80211_ATTR_IE
]) {
7709 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7710 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7713 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7714 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7715 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7716 connect
.mfp
!= NL80211_MFP_NO
)
7719 connect
.mfp
= NL80211_MFP_NO
;
7722 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7723 connect
.channel
= nl80211_get_valid_chan(
7724 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7725 if (!connect
.channel
)
7727 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7728 connect
.channel_hint
= nl80211_get_valid_chan(
7729 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7730 if (!connect
.channel_hint
)
7734 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7735 connkeys
= nl80211_parse_connkeys(rdev
,
7736 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7737 if (IS_ERR(connkeys
))
7738 return PTR_ERR(connkeys
);
7741 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7742 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7744 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7745 memcpy(&connect
.ht_capa_mask
,
7746 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7747 sizeof(connect
.ht_capa_mask
));
7749 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7750 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7754 memcpy(&connect
.ht_capa
,
7755 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7756 sizeof(connect
.ht_capa
));
7759 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7760 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7762 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7763 memcpy(&connect
.vht_capa_mask
,
7764 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7765 sizeof(connect
.vht_capa_mask
));
7767 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7768 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7772 memcpy(&connect
.vht_capa
,
7773 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7774 sizeof(connect
.vht_capa
));
7777 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7778 if (!(rdev
->wiphy
.features
&
7779 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7780 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7782 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7785 wdev_lock(dev
->ieee80211_ptr
);
7786 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7787 wdev_unlock(dev
->ieee80211_ptr
);
7793 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7795 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7796 struct net_device
*dev
= info
->user_ptr
[1];
7800 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7801 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7803 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7808 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7809 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7812 wdev_lock(dev
->ieee80211_ptr
);
7813 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7814 wdev_unlock(dev
->ieee80211_ptr
);
7818 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7820 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7824 if (info
->attrs
[NL80211_ATTR_PID
]) {
7825 u32 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7827 net
= get_net_ns_by_pid(pid
);
7828 } else if (info
->attrs
[NL80211_ATTR_NETNS_FD
]) {
7829 u32 fd
= nla_get_u32(info
->attrs
[NL80211_ATTR_NETNS_FD
]);
7831 net
= get_net_ns_by_fd(fd
);
7837 return PTR_ERR(net
);
7841 /* check if anything to do */
7842 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7843 err
= cfg80211_switch_netns(rdev
, net
);
7849 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7851 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7852 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7853 struct cfg80211_pmksa
*pmksa
) = NULL
;
7854 struct net_device
*dev
= info
->user_ptr
[1];
7855 struct cfg80211_pmksa pmksa
;
7857 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7859 if (!info
->attrs
[NL80211_ATTR_MAC
])
7862 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7865 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7866 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7868 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7869 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7872 switch (info
->genlhdr
->cmd
) {
7873 case NL80211_CMD_SET_PMKSA
:
7874 rdev_ops
= rdev
->ops
->set_pmksa
;
7876 case NL80211_CMD_DEL_PMKSA
:
7877 rdev_ops
= rdev
->ops
->del_pmksa
;
7887 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7890 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7892 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7893 struct net_device
*dev
= info
->user_ptr
[1];
7895 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7896 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7899 if (!rdev
->ops
->flush_pmksa
)
7902 return rdev_flush_pmksa(rdev
, dev
);
7905 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7907 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7908 struct net_device
*dev
= info
->user_ptr
[1];
7909 u8 action_code
, dialog_token
;
7910 u32 peer_capability
= 0;
7915 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7916 !rdev
->ops
->tdls_mgmt
)
7919 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7920 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7921 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7922 !info
->attrs
[NL80211_ATTR_IE
] ||
7923 !info
->attrs
[NL80211_ATTR_MAC
])
7926 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7927 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7928 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7929 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7930 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7931 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7933 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7935 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7936 dialog_token
, status_code
, peer_capability
,
7938 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7939 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7942 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7944 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7945 struct net_device
*dev
= info
->user_ptr
[1];
7946 enum nl80211_tdls_operation operation
;
7949 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7950 !rdev
->ops
->tdls_oper
)
7953 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7954 !info
->attrs
[NL80211_ATTR_MAC
])
7957 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7958 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7960 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7963 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7964 struct genl_info
*info
)
7966 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7967 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7968 struct cfg80211_chan_def chandef
;
7969 struct sk_buff
*msg
;
7975 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7976 !info
->attrs
[NL80211_ATTR_DURATION
])
7979 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7981 if (!rdev
->ops
->remain_on_channel
||
7982 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7986 * We should be on that channel for at least a minimum amount of
7987 * time (10ms) but no longer than the driver supports.
7989 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7990 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7993 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7997 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8001 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8002 NL80211_CMD_REMAIN_ON_CHANNEL
);
8008 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
8014 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8015 goto nla_put_failure
;
8017 genlmsg_end(msg
, hdr
);
8019 return genlmsg_reply(msg
, info
);
8028 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
8029 struct genl_info
*info
)
8031 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8032 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8035 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8038 if (!rdev
->ops
->cancel_remain_on_channel
)
8041 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8043 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
8046 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
8047 u8
*rates
, u8 rates_len
)
8052 for (i
= 0; i
< rates_len
; i
++) {
8053 int rate
= (rates
[i
] & 0x7f) * 5;
8055 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
8056 struct ieee80211_rate
*srate
=
8057 &sband
->bitrates
[ridx
];
8058 if (rate
== srate
->bitrate
) {
8063 if (ridx
== sband
->n_bitrates
)
8064 return 0; /* rate not found */
8070 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
8071 u8
*rates
, u8 rates_len
,
8072 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
8076 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
8078 for (i
= 0; i
< rates_len
; i
++) {
8081 ridx
= rates
[i
] / 8;
8082 rbit
= BIT(rates
[i
] % 8);
8084 /* check validity */
8085 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
8088 /* check availability */
8089 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
8098 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
8102 switch (vht_mcs_map
) {
8103 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
8105 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
8108 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
8111 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
8121 static void vht_build_mcs_mask(u16 vht_mcs_map
,
8122 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
8126 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8127 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8132 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8133 struct nl80211_txrate_vht
*txrate
,
8134 u16 mcs
[NL80211_VHT_NSS_MAX
])
8136 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8137 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8140 if (!sband
->vht_cap
.vht_supported
)
8143 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8145 /* Build vht_mcs_mask from VHT capabilities */
8146 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8148 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8149 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8150 mcs
[i
] = txrate
->mcs
[i
];
8158 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8159 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8160 .len
= NL80211_MAX_SUPP_RATES
},
8161 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8162 .len
= NL80211_MAX_SUPP_HT_RATES
},
8163 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8164 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8167 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8168 struct genl_info
*info
)
8170 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8171 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8172 struct cfg80211_bitrate_mask mask
;
8174 struct net_device
*dev
= info
->user_ptr
[1];
8175 struct nlattr
*tx_rates
;
8176 struct ieee80211_supported_band
*sband
;
8179 if (!rdev
->ops
->set_bitrate_mask
)
8182 memset(&mask
, 0, sizeof(mask
));
8183 /* Default to all rates enabled */
8184 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
8185 sband
= rdev
->wiphy
.bands
[i
];
8190 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8191 memcpy(mask
.control
[i
].ht_mcs
,
8192 sband
->ht_cap
.mcs
.rx_mask
,
8193 sizeof(mask
.control
[i
].ht_mcs
));
8195 if (!sband
->vht_cap
.vht_supported
)
8198 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8199 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8202 /* if no rates are given set it back to the defaults */
8203 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8207 * The nested attribute uses enum nl80211_band as the index. This maps
8208 * directly to the enum ieee80211_band values used in cfg80211.
8210 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8211 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8212 enum ieee80211_band band
= nla_type(tx_rates
);
8215 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
8217 sband
= rdev
->wiphy
.bands
[band
];
8220 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8221 nla_len(tx_rates
), nl80211_txattr_policy
);
8224 if (tb
[NL80211_TXRATE_LEGACY
]) {
8225 mask
.control
[band
].legacy
= rateset_to_mask(
8227 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8228 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8229 if ((mask
.control
[band
].legacy
== 0) &&
8230 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8233 if (tb
[NL80211_TXRATE_HT
]) {
8234 if (!ht_rateset_to_mask(
8236 nla_data(tb
[NL80211_TXRATE_HT
]),
8237 nla_len(tb
[NL80211_TXRATE_HT
]),
8238 mask
.control
[band
].ht_mcs
))
8241 if (tb
[NL80211_TXRATE_VHT
]) {
8242 if (!vht_set_mcs_mask(
8244 nla_data(tb
[NL80211_TXRATE_VHT
]),
8245 mask
.control
[band
].vht_mcs
))
8248 if (tb
[NL80211_TXRATE_GI
]) {
8249 mask
.control
[band
].gi
=
8250 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8251 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8255 if (mask
.control
[band
].legacy
== 0) {
8256 /* don't allow empty legacy rates if HT or VHT
8257 * are not even supported.
8259 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8260 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8263 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8264 if (mask
.control
[band
].ht_mcs
[i
])
8267 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8268 if (mask
.control
[band
].vht_mcs
[i
])
8271 /* legacy and mcs rates may not be both empty */
8277 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8280 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8282 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8283 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8284 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8286 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8289 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8290 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8292 switch (wdev
->iftype
) {
8293 case NL80211_IFTYPE_STATION
:
8294 case NL80211_IFTYPE_ADHOC
:
8295 case NL80211_IFTYPE_P2P_CLIENT
:
8296 case NL80211_IFTYPE_AP
:
8297 case NL80211_IFTYPE_AP_VLAN
:
8298 case NL80211_IFTYPE_MESH_POINT
:
8299 case NL80211_IFTYPE_P2P_GO
:
8300 case NL80211_IFTYPE_P2P_DEVICE
:
8306 /* not much point in registering if we can't reply */
8307 if (!rdev
->ops
->mgmt_tx
)
8310 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8311 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8312 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8315 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8317 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8318 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8319 struct cfg80211_chan_def chandef
;
8323 struct sk_buff
*msg
= NULL
;
8324 struct cfg80211_mgmt_tx_params params
= {
8325 .dont_wait_for_ack
=
8326 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8329 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8332 if (!rdev
->ops
->mgmt_tx
)
8335 switch (wdev
->iftype
) {
8336 case NL80211_IFTYPE_P2P_DEVICE
:
8337 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8339 case NL80211_IFTYPE_STATION
:
8340 case NL80211_IFTYPE_ADHOC
:
8341 case NL80211_IFTYPE_P2P_CLIENT
:
8342 case NL80211_IFTYPE_AP
:
8343 case NL80211_IFTYPE_AP_VLAN
:
8344 case NL80211_IFTYPE_MESH_POINT
:
8345 case NL80211_IFTYPE_P2P_GO
:
8351 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8352 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8354 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8357 * We should wait on the channel for at least a minimum amount
8358 * of time (10ms) but no longer than the driver supports.
8360 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8361 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8366 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8368 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8371 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8373 /* get the channel if any has been specified, otherwise pass NULL to
8374 * the driver. The latter will use the current one
8376 chandef
.chan
= NULL
;
8377 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8378 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8383 if (!chandef
.chan
&& params
.offchan
)
8386 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8387 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8389 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8390 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8393 if (len
% sizeof(u16
))
8396 params
.n_csa_offsets
= len
/ sizeof(u16
);
8397 params
.csa_offsets
=
8398 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8400 /* check that all the offsets fit the frame */
8401 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8402 if (params
.csa_offsets
[i
] >= params
.len
)
8407 if (!params
.dont_wait_for_ack
) {
8408 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8412 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8420 params
.chan
= chandef
.chan
;
8421 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8426 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8427 goto nla_put_failure
;
8429 genlmsg_end(msg
, hdr
);
8430 return genlmsg_reply(msg
, info
);
8442 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8444 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8445 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8448 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8451 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8454 switch (wdev
->iftype
) {
8455 case NL80211_IFTYPE_STATION
:
8456 case NL80211_IFTYPE_ADHOC
:
8457 case NL80211_IFTYPE_P2P_CLIENT
:
8458 case NL80211_IFTYPE_AP
:
8459 case NL80211_IFTYPE_AP_VLAN
:
8460 case NL80211_IFTYPE_P2P_GO
:
8461 case NL80211_IFTYPE_P2P_DEVICE
:
8467 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8469 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8472 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8474 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8475 struct wireless_dev
*wdev
;
8476 struct net_device
*dev
= info
->user_ptr
[1];
8481 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8484 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8486 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8489 wdev
= dev
->ieee80211_ptr
;
8491 if (!rdev
->ops
->set_power_mgmt
)
8494 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8496 if (state
== wdev
->ps
)
8499 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8505 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8507 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8508 enum nl80211_ps_state ps_state
;
8509 struct wireless_dev
*wdev
;
8510 struct net_device
*dev
= info
->user_ptr
[1];
8511 struct sk_buff
*msg
;
8515 wdev
= dev
->ieee80211_ptr
;
8517 if (!rdev
->ops
->set_power_mgmt
)
8520 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8524 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8525 NL80211_CMD_GET_POWER_SAVE
);
8532 ps_state
= NL80211_PS_ENABLED
;
8534 ps_state
= NL80211_PS_DISABLED
;
8536 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8537 goto nla_put_failure
;
8539 genlmsg_end(msg
, hdr
);
8540 return genlmsg_reply(msg
, info
);
8549 static const struct nla_policy
8550 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8551 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8552 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8553 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8554 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8555 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8556 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8559 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8560 u32 rate
, u32 pkts
, u32 intvl
)
8562 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8563 struct net_device
*dev
= info
->user_ptr
[1];
8564 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8566 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8569 if (!rdev
->ops
->set_cqm_txe_config
)
8572 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8573 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8576 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8579 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8580 s32 threshold
, u32 hysteresis
)
8582 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8583 struct net_device
*dev
= info
->user_ptr
[1];
8584 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8589 /* disabling - hysteresis should also be zero then */
8593 if (!rdev
->ops
->set_cqm_rssi_config
)
8596 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8597 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8600 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8603 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8605 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8609 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8613 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8614 nl80211_attr_cqm_policy
);
8618 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8619 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8620 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8621 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8623 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8626 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8627 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8628 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8629 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8630 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8631 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8633 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8639 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8641 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8642 struct net_device
*dev
= info
->user_ptr
[1];
8643 struct ocb_setup setup
= {};
8646 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8650 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8653 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8655 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8656 struct net_device
*dev
= info
->user_ptr
[1];
8658 return cfg80211_leave_ocb(rdev
, dev
);
8661 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8663 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8664 struct net_device
*dev
= info
->user_ptr
[1];
8665 struct mesh_config cfg
;
8666 struct mesh_setup setup
;
8669 /* start with default */
8670 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8671 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8673 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8674 /* and parse parameters if given */
8675 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8680 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8681 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8684 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8685 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8687 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8688 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8689 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8692 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8693 setup
.beacon_interval
=
8694 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8695 if (setup
.beacon_interval
< 10 ||
8696 setup
.beacon_interval
> 10000)
8700 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8702 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8703 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8707 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8708 /* parse additional setup parameters if given */
8709 err
= nl80211_parse_mesh_setup(info
, &setup
);
8715 cfg
.auto_open_plinks
= false;
8717 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8718 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8722 /* cfg80211_join_mesh() will sort it out */
8723 setup
.chandef
.chan
= NULL
;
8726 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8727 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8729 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8730 struct ieee80211_supported_band
*sband
;
8732 if (!setup
.chandef
.chan
)
8735 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8737 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8738 &setup
.basic_rates
);
8743 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8746 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8748 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8749 struct net_device
*dev
= info
->user_ptr
[1];
8751 return cfg80211_leave_mesh(rdev
, dev
);
8755 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8756 struct cfg80211_registered_device
*rdev
)
8758 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8759 struct nlattr
*nl_pats
, *nl_pat
;
8762 if (!wowlan
->n_patterns
)
8765 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8769 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8770 nl_pat
= nla_nest_start(msg
, i
+ 1);
8773 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8774 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8775 wowlan
->patterns
[i
].mask
) ||
8776 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8777 wowlan
->patterns
[i
].pattern
) ||
8778 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8779 wowlan
->patterns
[i
].pkt_offset
))
8781 nla_nest_end(msg
, nl_pat
);
8783 nla_nest_end(msg
, nl_pats
);
8788 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8789 struct cfg80211_wowlan_tcp
*tcp
)
8791 struct nlattr
*nl_tcp
;
8796 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8800 if (nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8801 nla_put_in_addr(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8802 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8803 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8804 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8805 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8806 tcp
->payload_len
, tcp
->payload
) ||
8807 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8808 tcp
->data_interval
) ||
8809 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8810 tcp
->wake_len
, tcp
->wake_data
) ||
8811 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8812 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8815 if (tcp
->payload_seq
.len
&&
8816 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8817 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8820 if (tcp
->payload_tok
.len
&&
8821 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8822 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8826 nla_nest_end(msg
, nl_tcp
);
8831 static int nl80211_send_wowlan_nd(struct sk_buff
*msg
,
8832 struct cfg80211_sched_scan_request
*req
)
8834 struct nlattr
*nd
, *freqs
, *matches
, *match
;
8840 nd
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_NET_DETECT
);
8844 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_INTERVAL
, req
->interval
))
8847 if (nla_put_u32(msg
, NL80211_ATTR_SCHED_SCAN_DELAY
, req
->delay
))
8850 freqs
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
8854 for (i
= 0; i
< req
->n_channels
; i
++)
8855 nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
);
8857 nla_nest_end(msg
, freqs
);
8859 if (req
->n_match_sets
) {
8860 matches
= nla_nest_start(msg
, NL80211_ATTR_SCHED_SCAN_MATCH
);
8861 for (i
= 0; i
< req
->n_match_sets
; i
++) {
8862 match
= nla_nest_start(msg
, i
);
8863 nla_put(msg
, NL80211_SCHED_SCAN_MATCH_ATTR_SSID
,
8864 req
->match_sets
[i
].ssid
.ssid_len
,
8865 req
->match_sets
[i
].ssid
.ssid
);
8866 nla_nest_end(msg
, match
);
8868 nla_nest_end(msg
, matches
);
8871 nla_nest_end(msg
, nd
);
8876 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8878 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8879 struct sk_buff
*msg
;
8881 u32 size
= NLMSG_DEFAULT_SIZE
;
8883 if (!rdev
->wiphy
.wowlan
)
8886 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8887 /* adjust size to have room for all the data */
8888 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8889 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8890 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8891 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8894 msg
= nlmsg_new(size
, GFP_KERNEL
);
8898 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8899 NL80211_CMD_GET_WOWLAN
);
8901 goto nla_put_failure
;
8903 if (rdev
->wiphy
.wowlan_config
) {
8904 struct nlattr
*nl_wowlan
;
8906 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8908 goto nla_put_failure
;
8910 if ((rdev
->wiphy
.wowlan_config
->any
&&
8911 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8912 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8913 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8914 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8915 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8916 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8917 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8918 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8919 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8920 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8921 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8922 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8923 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8924 goto nla_put_failure
;
8926 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8927 goto nla_put_failure
;
8929 if (nl80211_send_wowlan_tcp(msg
,
8930 rdev
->wiphy
.wowlan_config
->tcp
))
8931 goto nla_put_failure
;
8933 if (nl80211_send_wowlan_nd(
8935 rdev
->wiphy
.wowlan_config
->nd_config
))
8936 goto nla_put_failure
;
8938 nla_nest_end(msg
, nl_wowlan
);
8941 genlmsg_end(msg
, hdr
);
8942 return genlmsg_reply(msg
, info
);
8949 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8950 struct nlattr
*attr
,
8951 struct cfg80211_wowlan
*trig
)
8953 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8954 struct cfg80211_wowlan_tcp
*cfg
;
8955 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8956 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8958 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8961 if (!rdev
->wiphy
.wowlan
->tcp
)
8964 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8965 nla_data(attr
), nla_len(attr
),
8966 nl80211_wowlan_tcp_policy
);
8970 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8971 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8972 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8973 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8974 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8975 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8976 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8977 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8980 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8981 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8984 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8985 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8986 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8989 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8990 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8993 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8994 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8997 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8998 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9000 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
9001 tokens_size
= tokln
- sizeof(*tok
);
9003 if (!tok
->len
|| tokens_size
% tok
->len
)
9005 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
9007 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
9009 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
9011 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
9013 if (tok
->offset
+ tok
->len
> data_size
)
9017 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
9018 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
9019 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
9021 if (seq
->len
== 0 || seq
->len
> 4)
9023 if (seq
->len
+ seq
->offset
> data_size
)
9027 size
= sizeof(*cfg
);
9029 size
+= wake_size
+ wake_mask_size
;
9030 size
+= tokens_size
;
9032 cfg
= kzalloc(size
, GFP_KERNEL
);
9035 cfg
->src
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
9036 cfg
->dst
= nla_get_in_addr(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
9037 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
9039 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
9040 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
9044 /* allocate a socket and port for it and use it */
9045 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
9046 IPPROTO_TCP
, &cfg
->sock
, 1);
9051 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
9052 sock_release(cfg
->sock
);
9056 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
9062 cfg
->src_port
= port
;
9065 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
9066 cfg
->payload_len
= data_size
;
9067 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
9068 memcpy((void *)cfg
->payload
,
9069 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
9072 cfg
->payload_seq
= *seq
;
9073 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
9074 cfg
->wake_len
= wake_size
;
9075 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
9076 memcpy((void *)cfg
->wake_data
,
9077 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
9079 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
9080 data_size
+ wake_size
;
9081 memcpy((void *)cfg
->wake_mask
,
9082 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
9085 cfg
->tokens_size
= tokens_size
;
9086 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
9094 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
9095 const struct wiphy_wowlan_support
*wowlan
,
9096 struct nlattr
*attr
,
9097 struct cfg80211_wowlan
*trig
)
9102 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
9106 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
9111 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
9112 nla_data(attr
), nla_len(attr
),
9117 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
9118 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
9120 trig
->nd_config
= NULL
;
9127 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
9129 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9130 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
9131 struct cfg80211_wowlan new_triggers
= {};
9132 struct cfg80211_wowlan
*ntrig
;
9133 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
9135 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
9136 bool regular
= false;
9141 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
9142 cfg80211_rdev_free_wowlan(rdev
);
9143 rdev
->wiphy
.wowlan_config
= NULL
;
9147 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
9148 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9149 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
9150 nl80211_wowlan_policy
);
9154 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
9155 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
9157 new_triggers
.any
= true;
9160 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
9161 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
9163 new_triggers
.disconnect
= true;
9167 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
9168 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
9170 new_triggers
.magic_pkt
= true;
9174 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
9177 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
9178 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9180 new_triggers
.gtk_rekey_failure
= true;
9184 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9185 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9187 new_triggers
.eap_identity_req
= true;
9191 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9192 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9194 new_triggers
.four_way_handshake
= true;
9198 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9199 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9201 new_triggers
.rfkill_release
= true;
9205 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9208 int rem
, pat_len
, mask_len
, pkt_offset
;
9209 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9213 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9216 if (n_patterns
> wowlan
->n_patterns
)
9219 new_triggers
.patterns
= kcalloc(n_patterns
,
9220 sizeof(new_triggers
.patterns
[0]),
9222 if (!new_triggers
.patterns
)
9225 new_triggers
.n_patterns
= n_patterns
;
9228 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9232 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9233 nla_len(pat
), NULL
);
9235 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9236 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9238 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9239 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9240 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9242 if (pat_len
> wowlan
->pattern_max_len
||
9243 pat_len
< wowlan
->pattern_min_len
)
9246 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9249 pkt_offset
= nla_get_u32(
9250 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9251 if (pkt_offset
> wowlan
->max_pkt_offset
)
9253 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9255 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9260 new_triggers
.patterns
[i
].mask
= mask_pat
;
9261 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9263 mask_pat
+= mask_len
;
9264 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9265 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9267 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9273 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9275 err
= nl80211_parse_wowlan_tcp(
9276 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9282 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9284 err
= nl80211_parse_wowlan_nd(
9285 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9291 /* The 'any' trigger means the device continues operating more or less
9292 * as in its normal operation mode and wakes up the host on most of the
9293 * normal interrupts (like packet RX, ...)
9294 * It therefore makes little sense to combine with the more constrained
9295 * wakeup trigger modes.
9297 if (new_triggers
.any
&& regular
) {
9302 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9307 cfg80211_rdev_free_wowlan(rdev
);
9308 rdev
->wiphy
.wowlan_config
= ntrig
;
9311 if (rdev
->ops
->set_wakeup
&&
9312 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9313 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9317 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9318 kfree(new_triggers
.patterns
[i
].mask
);
9319 kfree(new_triggers
.patterns
);
9320 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9321 sock_release(new_triggers
.tcp
->sock
);
9322 kfree(new_triggers
.tcp
);
9327 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9328 struct cfg80211_registered_device
*rdev
)
9330 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9332 struct cfg80211_coalesce_rules
*rule
;
9334 if (!rdev
->coalesce
->n_rules
)
9337 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9341 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9342 nl_rule
= nla_nest_start(msg
, i
+ 1);
9346 rule
= &rdev
->coalesce
->rules
[i
];
9347 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9351 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9355 nl_pats
= nla_nest_start(msg
,
9356 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9360 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9361 nl_pat
= nla_nest_start(msg
, j
+ 1);
9364 pat_len
= rule
->patterns
[j
].pattern_len
;
9365 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9366 DIV_ROUND_UP(pat_len
, 8),
9367 rule
->patterns
[j
].mask
) ||
9368 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9369 rule
->patterns
[j
].pattern
) ||
9370 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9371 rule
->patterns
[j
].pkt_offset
))
9373 nla_nest_end(msg
, nl_pat
);
9375 nla_nest_end(msg
, nl_pats
);
9376 nla_nest_end(msg
, nl_rule
);
9378 nla_nest_end(msg
, nl_rules
);
9383 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9385 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9386 struct sk_buff
*msg
;
9389 if (!rdev
->wiphy
.coalesce
)
9392 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9396 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9397 NL80211_CMD_GET_COALESCE
);
9399 goto nla_put_failure
;
9401 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9402 goto nla_put_failure
;
9404 genlmsg_end(msg
, hdr
);
9405 return genlmsg_reply(msg
, info
);
9412 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9414 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9416 struct cfg80211_coalesce_rules
*rule
;
9421 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9422 rule
= &coalesce
->rules
[i
];
9423 for (j
= 0; j
< rule
->n_patterns
; j
++)
9424 kfree(rule
->patterns
[j
].mask
);
9425 kfree(rule
->patterns
);
9427 kfree(coalesce
->rules
);
9429 rdev
->coalesce
= NULL
;
9432 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9433 struct nlattr
*rule
,
9434 struct cfg80211_coalesce_rules
*new_rule
)
9437 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9438 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9439 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9440 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9442 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9443 nla_len(rule
), nl80211_coalesce_policy
);
9447 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9449 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9450 if (new_rule
->delay
> coalesce
->max_delay
)
9453 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9454 new_rule
->condition
=
9455 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9456 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9457 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9460 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9463 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9466 if (n_patterns
> coalesce
->n_patterns
)
9469 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9471 if (!new_rule
->patterns
)
9474 new_rule
->n_patterns
= n_patterns
;
9477 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9481 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9482 nla_len(pat
), NULL
);
9483 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9484 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9486 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9487 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9488 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9490 if (pat_len
> coalesce
->pattern_max_len
||
9491 pat_len
< coalesce
->pattern_min_len
)
9494 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9497 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9498 if (pkt_offset
> coalesce
->max_pkt_offset
)
9500 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9502 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9506 new_rule
->patterns
[i
].mask
= mask_pat
;
9507 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9510 mask_pat
+= mask_len
;
9511 new_rule
->patterns
[i
].pattern
= mask_pat
;
9512 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9513 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9521 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9523 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9524 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9525 struct cfg80211_coalesce new_coalesce
= {};
9526 struct cfg80211_coalesce
*n_coalesce
;
9527 int err
, rem_rule
, n_rules
= 0, i
, j
;
9528 struct nlattr
*rule
;
9529 struct cfg80211_coalesce_rules
*tmp_rule
;
9531 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9534 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9535 cfg80211_rdev_free_coalesce(rdev
);
9536 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9540 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9543 if (n_rules
> coalesce
->n_rules
)
9546 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9548 if (!new_coalesce
.rules
)
9551 new_coalesce
.n_rules
= n_rules
;
9554 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9556 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9557 &new_coalesce
.rules
[i
]);
9564 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9568 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9573 cfg80211_rdev_free_coalesce(rdev
);
9574 rdev
->coalesce
= n_coalesce
;
9578 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9579 tmp_rule
= &new_coalesce
.rules
[i
];
9580 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9581 kfree(tmp_rule
->patterns
[j
].mask
);
9582 kfree(tmp_rule
->patterns
);
9584 kfree(new_coalesce
.rules
);
9589 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9591 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9592 struct net_device
*dev
= info
->user_ptr
[1];
9593 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9594 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9595 struct cfg80211_gtk_rekey_data rekey_data
;
9598 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9601 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9602 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9603 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9604 nl80211_rekey_policy
);
9608 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9610 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9612 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9615 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9616 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9617 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9620 if (!wdev
->current_bss
) {
9625 if (!rdev
->ops
->set_rekey_data
) {
9630 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9636 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9637 struct genl_info
*info
)
9639 struct net_device
*dev
= info
->user_ptr
[1];
9640 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9642 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9643 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9646 if (wdev
->ap_unexpected_nlportid
)
9649 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9653 static int nl80211_probe_client(struct sk_buff
*skb
,
9654 struct genl_info
*info
)
9656 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9657 struct net_device
*dev
= info
->user_ptr
[1];
9658 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9659 struct sk_buff
*msg
;
9665 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9666 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9669 if (!info
->attrs
[NL80211_ATTR_MAC
])
9672 if (!rdev
->ops
->probe_client
)
9675 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9679 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9680 NL80211_CMD_PROBE_CLIENT
);
9686 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9688 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9692 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9693 goto nla_put_failure
;
9695 genlmsg_end(msg
, hdr
);
9697 return genlmsg_reply(msg
, info
);
9706 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9708 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9709 struct cfg80211_beacon_registration
*reg
, *nreg
;
9712 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9715 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9719 /* First, check if already registered. */
9720 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9721 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9722 if (reg
->nlportid
== info
->snd_portid
) {
9727 /* Add it to the list */
9728 nreg
->nlportid
= info
->snd_portid
;
9729 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9731 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9735 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9740 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9742 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9743 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9746 if (!rdev
->ops
->start_p2p_device
)
9749 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9752 if (wdev
->p2p_started
)
9755 if (rfkill_blocked(rdev
->rfkill
))
9758 err
= rdev_start_p2p_device(rdev
, wdev
);
9762 wdev
->p2p_started
= true;
9768 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9770 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9771 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9773 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9776 if (!rdev
->ops
->stop_p2p_device
)
9779 cfg80211_stop_p2p_device(rdev
, wdev
);
9784 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9785 struct genl_info
*info
)
9788 struct sk_buff
*msg
;
9790 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9794 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9795 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9797 goto nla_put_failure
;
9799 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9800 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9801 goto nla_put_failure
;
9803 genlmsg_end(msg
, hdr
);
9804 return genlmsg_reply(msg
, info
);
9811 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9813 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9814 struct cfg80211_update_ft_ies_params ft_params
;
9815 struct net_device
*dev
= info
->user_ptr
[1];
9817 if (!rdev
->ops
->update_ft_ies
)
9820 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9821 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9824 memset(&ft_params
, 0, sizeof(ft_params
));
9825 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9826 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9827 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9829 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9832 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9833 struct genl_info
*info
)
9835 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9836 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9837 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9841 if (!rdev
->ops
->crit_proto_start
)
9844 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9847 if (rdev
->crit_proto_nlportid
)
9850 /* determine protocol if provided */
9851 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9852 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9854 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9857 /* timeout must be provided */
9858 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9862 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9864 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9867 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9869 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9874 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9875 struct genl_info
*info
)
9877 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9878 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9880 if (!rdev
->ops
->crit_proto_stop
)
9883 if (rdev
->crit_proto_nlportid
) {
9884 rdev
->crit_proto_nlportid
= 0;
9885 rdev_crit_proto_stop(rdev
, wdev
);
9890 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9892 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9893 struct wireless_dev
*wdev
=
9894 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9898 if (!rdev
->wiphy
.vendor_commands
)
9902 err
= PTR_ERR(wdev
);
9906 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9910 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9911 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9914 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9915 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9916 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9917 const struct wiphy_vendor_command
*vcmd
;
9921 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9923 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9926 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9927 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9930 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9934 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9936 !netif_running(wdev
->netdev
))
9938 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9945 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9946 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9947 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9950 rdev
->cur_cmd_info
= info
;
9951 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9953 rdev
->cur_cmd_info
= NULL
;
9960 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9961 enum nl80211_commands cmd
,
9962 enum nl80211_attrs attr
,
9965 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9967 if (WARN_ON(!rdev
->cur_cmd_info
))
9970 return __cfg80211_alloc_vendor_skb(rdev
, NULL
, approxlen
,
9971 rdev
->cur_cmd_info
->snd_portid
,
9972 rdev
->cur_cmd_info
->snd_seq
,
9973 cmd
, attr
, NULL
, GFP_KERNEL
);
9975 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9977 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9979 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9980 void *hdr
= ((void **)skb
->cb
)[1];
9981 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9983 /* clear CB data for netlink core to own from now on */
9984 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9986 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9991 nla_nest_end(skb
, data
);
9992 genlmsg_end(skb
, hdr
);
9993 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9995 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9998 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9999 struct genl_info
*info
)
10001 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10002 struct cfg80211_qos_map
*qos_map
= NULL
;
10003 struct net_device
*dev
= info
->user_ptr
[1];
10004 u8
*pos
, len
, num_des
, des_len
, des
;
10007 if (!rdev
->ops
->set_qos_map
)
10008 return -EOPNOTSUPP
;
10010 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
10011 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10012 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
10014 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
10015 len
> IEEE80211_QOS_MAP_LEN_MAX
)
10018 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
10022 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
10024 des_len
= num_des
*
10025 sizeof(struct cfg80211_dscp_exception
);
10026 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
10027 qos_map
->num_des
= num_des
;
10028 for (des
= 0; des
< num_des
; des
++) {
10029 if (qos_map
->dscp_exception
[des
].up
> 7) {
10036 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
10039 wdev_lock(dev
->ieee80211_ptr
);
10040 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
10042 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
10043 wdev_unlock(dev
->ieee80211_ptr
);
10049 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10051 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10052 struct net_device
*dev
= info
->user_ptr
[1];
10053 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10056 u16 admitted_time
= 0;
10059 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
10060 return -EOPNOTSUPP
;
10062 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
10063 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
10066 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10067 if (tsid
>= IEEE80211_NUM_TIDS
)
10070 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
10071 if (up
>= IEEE80211_NUM_UPS
)
10074 /* WMM uses TIDs 0-7 even for TSPEC */
10075 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
10076 /* TODO: handle 802.11 TSPEC/admission control
10077 * need more attributes for that (e.g. BA session requirement);
10078 * change the WMM adminssion test above to allow both then
10083 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10085 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
10087 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
10088 if (!admitted_time
)
10093 switch (wdev
->iftype
) {
10094 case NL80211_IFTYPE_STATION
:
10095 case NL80211_IFTYPE_P2P_CLIENT
:
10096 if (wdev
->current_bss
)
10105 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
10112 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
10114 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10115 struct net_device
*dev
= info
->user_ptr
[1];
10116 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10121 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
10124 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
10125 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10128 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
10134 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
10135 struct genl_info
*info
)
10137 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10138 struct net_device
*dev
= info
->user_ptr
[1];
10139 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10140 struct cfg80211_chan_def chandef
= {};
10145 if (!rdev
->ops
->tdls_channel_switch
||
10146 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10147 return -EOPNOTSUPP
;
10149 switch (dev
->ieee80211_ptr
->iftype
) {
10150 case NL80211_IFTYPE_STATION
:
10151 case NL80211_IFTYPE_P2P_CLIENT
:
10154 return -EOPNOTSUPP
;
10157 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
10158 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
10161 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
10166 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
10167 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
10168 * specification is not defined for them.
10170 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
10171 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
10172 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
10175 /* we will be active on the TDLS link */
10176 if (!cfg80211_reg_can_beacon_relax(&rdev
->wiphy
, &chandef
,
10180 /* don't allow switching to DFS channels */
10181 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
10184 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10185 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
10188 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
10194 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
10195 struct genl_info
*info
)
10197 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
10198 struct net_device
*dev
= info
->user_ptr
[1];
10199 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10202 if (!rdev
->ops
->tdls_channel_switch
||
10203 !rdev
->ops
->tdls_cancel_channel_switch
||
10204 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10205 return -EOPNOTSUPP
;
10207 switch (dev
->ieee80211_ptr
->iftype
) {
10208 case NL80211_IFTYPE_STATION
:
10209 case NL80211_IFTYPE_P2P_CLIENT
:
10212 return -EOPNOTSUPP
;
10215 if (!info
->attrs
[NL80211_ATTR_MAC
])
10218 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10221 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10227 #define NL80211_FLAG_NEED_WIPHY 0x01
10228 #define NL80211_FLAG_NEED_NETDEV 0x02
10229 #define NL80211_FLAG_NEED_RTNL 0x04
10230 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10231 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10232 NL80211_FLAG_CHECK_NETDEV_UP)
10233 #define NL80211_FLAG_NEED_WDEV 0x10
10234 /* If a netdev is associated, it must be UP, P2P must be started */
10235 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10236 NL80211_FLAG_CHECK_NETDEV_UP)
10237 #define NL80211_FLAG_CLEAR_SKB 0x20
10239 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10240 struct genl_info
*info
)
10242 struct cfg80211_registered_device
*rdev
;
10243 struct wireless_dev
*wdev
;
10244 struct net_device
*dev
;
10245 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
10250 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
10251 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
10252 if (IS_ERR(rdev
)) {
10255 return PTR_ERR(rdev
);
10257 info
->user_ptr
[0] = rdev
;
10258 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
10259 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10262 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
10264 if (IS_ERR(wdev
)) {
10267 return PTR_ERR(wdev
);
10270 dev
= wdev
->netdev
;
10271 rdev
= wiphy_to_rdev(wdev
->wiphy
);
10273 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
10280 info
->user_ptr
[1] = dev
;
10282 info
->user_ptr
[1] = wdev
;
10286 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
10287 !netif_running(dev
)) {
10294 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
10295 if (!wdev
->p2p_started
) {
10302 info
->user_ptr
[0] = rdev
;
10308 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10309 struct genl_info
*info
)
10311 if (info
->user_ptr
[1]) {
10312 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10313 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10316 dev_put(wdev
->netdev
);
10318 dev_put(info
->user_ptr
[1]);
10322 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10325 /* If needed, clear the netlink message payload from the SKB
10326 * as it might contain key data that shouldn't stick around on
10327 * the heap after the SKB is freed. The netlink message header
10328 * is still needed for further processing, so leave it intact.
10330 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10331 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10333 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10337 static const struct genl_ops nl80211_ops
[] = {
10339 .cmd
= NL80211_CMD_GET_WIPHY
,
10340 .doit
= nl80211_get_wiphy
,
10341 .dumpit
= nl80211_dump_wiphy
,
10342 .done
= nl80211_dump_wiphy_done
,
10343 .policy
= nl80211_policy
,
10344 /* can be retrieved by unprivileged users */
10345 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10346 NL80211_FLAG_NEED_RTNL
,
10349 .cmd
= NL80211_CMD_SET_WIPHY
,
10350 .doit
= nl80211_set_wiphy
,
10351 .policy
= nl80211_policy
,
10352 .flags
= GENL_ADMIN_PERM
,
10353 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10356 .cmd
= NL80211_CMD_GET_INTERFACE
,
10357 .doit
= nl80211_get_interface
,
10358 .dumpit
= nl80211_dump_interface
,
10359 .policy
= nl80211_policy
,
10360 /* can be retrieved by unprivileged users */
10361 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10362 NL80211_FLAG_NEED_RTNL
,
10365 .cmd
= NL80211_CMD_SET_INTERFACE
,
10366 .doit
= nl80211_set_interface
,
10367 .policy
= nl80211_policy
,
10368 .flags
= GENL_ADMIN_PERM
,
10369 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10370 NL80211_FLAG_NEED_RTNL
,
10373 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10374 .doit
= nl80211_new_interface
,
10375 .policy
= nl80211_policy
,
10376 .flags
= GENL_ADMIN_PERM
,
10377 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10378 NL80211_FLAG_NEED_RTNL
,
10381 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10382 .doit
= nl80211_del_interface
,
10383 .policy
= nl80211_policy
,
10384 .flags
= GENL_ADMIN_PERM
,
10385 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10386 NL80211_FLAG_NEED_RTNL
,
10389 .cmd
= NL80211_CMD_GET_KEY
,
10390 .doit
= nl80211_get_key
,
10391 .policy
= nl80211_policy
,
10392 .flags
= GENL_ADMIN_PERM
,
10393 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10394 NL80211_FLAG_NEED_RTNL
,
10397 .cmd
= NL80211_CMD_SET_KEY
,
10398 .doit
= nl80211_set_key
,
10399 .policy
= nl80211_policy
,
10400 .flags
= GENL_ADMIN_PERM
,
10401 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10402 NL80211_FLAG_NEED_RTNL
|
10403 NL80211_FLAG_CLEAR_SKB
,
10406 .cmd
= NL80211_CMD_NEW_KEY
,
10407 .doit
= nl80211_new_key
,
10408 .policy
= nl80211_policy
,
10409 .flags
= GENL_ADMIN_PERM
,
10410 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10411 NL80211_FLAG_NEED_RTNL
|
10412 NL80211_FLAG_CLEAR_SKB
,
10415 .cmd
= NL80211_CMD_DEL_KEY
,
10416 .doit
= nl80211_del_key
,
10417 .policy
= nl80211_policy
,
10418 .flags
= GENL_ADMIN_PERM
,
10419 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10420 NL80211_FLAG_NEED_RTNL
,
10423 .cmd
= NL80211_CMD_SET_BEACON
,
10424 .policy
= nl80211_policy
,
10425 .flags
= GENL_ADMIN_PERM
,
10426 .doit
= nl80211_set_beacon
,
10427 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10428 NL80211_FLAG_NEED_RTNL
,
10431 .cmd
= NL80211_CMD_START_AP
,
10432 .policy
= nl80211_policy
,
10433 .flags
= GENL_ADMIN_PERM
,
10434 .doit
= nl80211_start_ap
,
10435 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10436 NL80211_FLAG_NEED_RTNL
,
10439 .cmd
= NL80211_CMD_STOP_AP
,
10440 .policy
= nl80211_policy
,
10441 .flags
= GENL_ADMIN_PERM
,
10442 .doit
= nl80211_stop_ap
,
10443 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10444 NL80211_FLAG_NEED_RTNL
,
10447 .cmd
= NL80211_CMD_GET_STATION
,
10448 .doit
= nl80211_get_station
,
10449 .dumpit
= nl80211_dump_station
,
10450 .policy
= nl80211_policy
,
10451 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10452 NL80211_FLAG_NEED_RTNL
,
10455 .cmd
= NL80211_CMD_SET_STATION
,
10456 .doit
= nl80211_set_station
,
10457 .policy
= nl80211_policy
,
10458 .flags
= GENL_ADMIN_PERM
,
10459 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10460 NL80211_FLAG_NEED_RTNL
,
10463 .cmd
= NL80211_CMD_NEW_STATION
,
10464 .doit
= nl80211_new_station
,
10465 .policy
= nl80211_policy
,
10466 .flags
= GENL_ADMIN_PERM
,
10467 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10468 NL80211_FLAG_NEED_RTNL
,
10471 .cmd
= NL80211_CMD_DEL_STATION
,
10472 .doit
= nl80211_del_station
,
10473 .policy
= nl80211_policy
,
10474 .flags
= GENL_ADMIN_PERM
,
10475 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10476 NL80211_FLAG_NEED_RTNL
,
10479 .cmd
= NL80211_CMD_GET_MPATH
,
10480 .doit
= nl80211_get_mpath
,
10481 .dumpit
= nl80211_dump_mpath
,
10482 .policy
= nl80211_policy
,
10483 .flags
= GENL_ADMIN_PERM
,
10484 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10485 NL80211_FLAG_NEED_RTNL
,
10488 .cmd
= NL80211_CMD_GET_MPP
,
10489 .doit
= nl80211_get_mpp
,
10490 .dumpit
= nl80211_dump_mpp
,
10491 .policy
= nl80211_policy
,
10492 .flags
= GENL_ADMIN_PERM
,
10493 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10494 NL80211_FLAG_NEED_RTNL
,
10497 .cmd
= NL80211_CMD_SET_MPATH
,
10498 .doit
= nl80211_set_mpath
,
10499 .policy
= nl80211_policy
,
10500 .flags
= GENL_ADMIN_PERM
,
10501 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10502 NL80211_FLAG_NEED_RTNL
,
10505 .cmd
= NL80211_CMD_NEW_MPATH
,
10506 .doit
= nl80211_new_mpath
,
10507 .policy
= nl80211_policy
,
10508 .flags
= GENL_ADMIN_PERM
,
10509 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10510 NL80211_FLAG_NEED_RTNL
,
10513 .cmd
= NL80211_CMD_DEL_MPATH
,
10514 .doit
= nl80211_del_mpath
,
10515 .policy
= nl80211_policy
,
10516 .flags
= GENL_ADMIN_PERM
,
10517 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10518 NL80211_FLAG_NEED_RTNL
,
10521 .cmd
= NL80211_CMD_SET_BSS
,
10522 .doit
= nl80211_set_bss
,
10523 .policy
= nl80211_policy
,
10524 .flags
= GENL_ADMIN_PERM
,
10525 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10526 NL80211_FLAG_NEED_RTNL
,
10529 .cmd
= NL80211_CMD_GET_REG
,
10530 .doit
= nl80211_get_reg_do
,
10531 .dumpit
= nl80211_get_reg_dump
,
10532 .policy
= nl80211_policy
,
10533 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10534 /* can be retrieved by unprivileged users */
10537 .cmd
= NL80211_CMD_SET_REG
,
10538 .doit
= nl80211_set_reg
,
10539 .policy
= nl80211_policy
,
10540 .flags
= GENL_ADMIN_PERM
,
10541 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10544 .cmd
= NL80211_CMD_REQ_SET_REG
,
10545 .doit
= nl80211_req_set_reg
,
10546 .policy
= nl80211_policy
,
10547 .flags
= GENL_ADMIN_PERM
,
10550 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10551 .doit
= nl80211_get_mesh_config
,
10552 .policy
= nl80211_policy
,
10553 /* can be retrieved by unprivileged users */
10554 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10555 NL80211_FLAG_NEED_RTNL
,
10558 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10559 .doit
= nl80211_update_mesh_config
,
10560 .policy
= nl80211_policy
,
10561 .flags
= GENL_ADMIN_PERM
,
10562 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10563 NL80211_FLAG_NEED_RTNL
,
10566 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
10567 .doit
= nl80211_trigger_scan
,
10568 .policy
= nl80211_policy
,
10569 .flags
= GENL_ADMIN_PERM
,
10570 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10571 NL80211_FLAG_NEED_RTNL
,
10574 .cmd
= NL80211_CMD_GET_SCAN
,
10575 .policy
= nl80211_policy
,
10576 .dumpit
= nl80211_dump_scan
,
10579 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10580 .doit
= nl80211_start_sched_scan
,
10581 .policy
= nl80211_policy
,
10582 .flags
= GENL_ADMIN_PERM
,
10583 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10584 NL80211_FLAG_NEED_RTNL
,
10587 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
10588 .doit
= nl80211_stop_sched_scan
,
10589 .policy
= nl80211_policy
,
10590 .flags
= GENL_ADMIN_PERM
,
10591 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10592 NL80211_FLAG_NEED_RTNL
,
10595 .cmd
= NL80211_CMD_AUTHENTICATE
,
10596 .doit
= nl80211_authenticate
,
10597 .policy
= nl80211_policy
,
10598 .flags
= GENL_ADMIN_PERM
,
10599 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10600 NL80211_FLAG_NEED_RTNL
|
10601 NL80211_FLAG_CLEAR_SKB
,
10604 .cmd
= NL80211_CMD_ASSOCIATE
,
10605 .doit
= nl80211_associate
,
10606 .policy
= nl80211_policy
,
10607 .flags
= GENL_ADMIN_PERM
,
10608 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10609 NL80211_FLAG_NEED_RTNL
,
10612 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10613 .doit
= nl80211_deauthenticate
,
10614 .policy
= nl80211_policy
,
10615 .flags
= GENL_ADMIN_PERM
,
10616 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10617 NL80211_FLAG_NEED_RTNL
,
10620 .cmd
= NL80211_CMD_DISASSOCIATE
,
10621 .doit
= nl80211_disassociate
,
10622 .policy
= nl80211_policy
,
10623 .flags
= GENL_ADMIN_PERM
,
10624 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10625 NL80211_FLAG_NEED_RTNL
,
10628 .cmd
= NL80211_CMD_JOIN_IBSS
,
10629 .doit
= nl80211_join_ibss
,
10630 .policy
= nl80211_policy
,
10631 .flags
= GENL_ADMIN_PERM
,
10632 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10633 NL80211_FLAG_NEED_RTNL
,
10636 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10637 .doit
= nl80211_leave_ibss
,
10638 .policy
= nl80211_policy
,
10639 .flags
= GENL_ADMIN_PERM
,
10640 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10641 NL80211_FLAG_NEED_RTNL
,
10643 #ifdef CONFIG_NL80211_TESTMODE
10645 .cmd
= NL80211_CMD_TESTMODE
,
10646 .doit
= nl80211_testmode_do
,
10647 .dumpit
= nl80211_testmode_dump
,
10648 .policy
= nl80211_policy
,
10649 .flags
= GENL_ADMIN_PERM
,
10650 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10651 NL80211_FLAG_NEED_RTNL
,
10655 .cmd
= NL80211_CMD_CONNECT
,
10656 .doit
= nl80211_connect
,
10657 .policy
= nl80211_policy
,
10658 .flags
= GENL_ADMIN_PERM
,
10659 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10660 NL80211_FLAG_NEED_RTNL
,
10663 .cmd
= NL80211_CMD_DISCONNECT
,
10664 .doit
= nl80211_disconnect
,
10665 .policy
= nl80211_policy
,
10666 .flags
= GENL_ADMIN_PERM
,
10667 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10668 NL80211_FLAG_NEED_RTNL
,
10671 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10672 .doit
= nl80211_wiphy_netns
,
10673 .policy
= nl80211_policy
,
10674 .flags
= GENL_ADMIN_PERM
,
10675 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10676 NL80211_FLAG_NEED_RTNL
,
10679 .cmd
= NL80211_CMD_GET_SURVEY
,
10680 .policy
= nl80211_policy
,
10681 .dumpit
= nl80211_dump_survey
,
10684 .cmd
= NL80211_CMD_SET_PMKSA
,
10685 .doit
= nl80211_setdel_pmksa
,
10686 .policy
= nl80211_policy
,
10687 .flags
= GENL_ADMIN_PERM
,
10688 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10689 NL80211_FLAG_NEED_RTNL
,
10692 .cmd
= NL80211_CMD_DEL_PMKSA
,
10693 .doit
= nl80211_setdel_pmksa
,
10694 .policy
= nl80211_policy
,
10695 .flags
= GENL_ADMIN_PERM
,
10696 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10697 NL80211_FLAG_NEED_RTNL
,
10700 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10701 .doit
= nl80211_flush_pmksa
,
10702 .policy
= nl80211_policy
,
10703 .flags
= GENL_ADMIN_PERM
,
10704 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10705 NL80211_FLAG_NEED_RTNL
,
10708 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10709 .doit
= nl80211_remain_on_channel
,
10710 .policy
= nl80211_policy
,
10711 .flags
= GENL_ADMIN_PERM
,
10712 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10713 NL80211_FLAG_NEED_RTNL
,
10716 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10717 .doit
= nl80211_cancel_remain_on_channel
,
10718 .policy
= nl80211_policy
,
10719 .flags
= GENL_ADMIN_PERM
,
10720 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10721 NL80211_FLAG_NEED_RTNL
,
10724 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10725 .doit
= nl80211_set_tx_bitrate_mask
,
10726 .policy
= nl80211_policy
,
10727 .flags
= GENL_ADMIN_PERM
,
10728 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10729 NL80211_FLAG_NEED_RTNL
,
10732 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10733 .doit
= nl80211_register_mgmt
,
10734 .policy
= nl80211_policy
,
10735 .flags
= GENL_ADMIN_PERM
,
10736 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10737 NL80211_FLAG_NEED_RTNL
,
10740 .cmd
= NL80211_CMD_FRAME
,
10741 .doit
= nl80211_tx_mgmt
,
10742 .policy
= nl80211_policy
,
10743 .flags
= GENL_ADMIN_PERM
,
10744 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10745 NL80211_FLAG_NEED_RTNL
,
10748 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10749 .doit
= nl80211_tx_mgmt_cancel_wait
,
10750 .policy
= nl80211_policy
,
10751 .flags
= GENL_ADMIN_PERM
,
10752 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10753 NL80211_FLAG_NEED_RTNL
,
10756 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10757 .doit
= nl80211_set_power_save
,
10758 .policy
= nl80211_policy
,
10759 .flags
= GENL_ADMIN_PERM
,
10760 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10761 NL80211_FLAG_NEED_RTNL
,
10764 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10765 .doit
= nl80211_get_power_save
,
10766 .policy
= nl80211_policy
,
10767 /* can be retrieved by unprivileged users */
10768 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10769 NL80211_FLAG_NEED_RTNL
,
10772 .cmd
= NL80211_CMD_SET_CQM
,
10773 .doit
= nl80211_set_cqm
,
10774 .policy
= nl80211_policy
,
10775 .flags
= GENL_ADMIN_PERM
,
10776 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10777 NL80211_FLAG_NEED_RTNL
,
10780 .cmd
= NL80211_CMD_SET_CHANNEL
,
10781 .doit
= nl80211_set_channel
,
10782 .policy
= nl80211_policy
,
10783 .flags
= GENL_ADMIN_PERM
,
10784 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10785 NL80211_FLAG_NEED_RTNL
,
10788 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10789 .doit
= nl80211_set_wds_peer
,
10790 .policy
= nl80211_policy
,
10791 .flags
= GENL_ADMIN_PERM
,
10792 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10793 NL80211_FLAG_NEED_RTNL
,
10796 .cmd
= NL80211_CMD_JOIN_MESH
,
10797 .doit
= nl80211_join_mesh
,
10798 .policy
= nl80211_policy
,
10799 .flags
= GENL_ADMIN_PERM
,
10800 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10801 NL80211_FLAG_NEED_RTNL
,
10804 .cmd
= NL80211_CMD_LEAVE_MESH
,
10805 .doit
= nl80211_leave_mesh
,
10806 .policy
= nl80211_policy
,
10807 .flags
= GENL_ADMIN_PERM
,
10808 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10809 NL80211_FLAG_NEED_RTNL
,
10812 .cmd
= NL80211_CMD_JOIN_OCB
,
10813 .doit
= nl80211_join_ocb
,
10814 .policy
= nl80211_policy
,
10815 .flags
= GENL_ADMIN_PERM
,
10816 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10817 NL80211_FLAG_NEED_RTNL
,
10820 .cmd
= NL80211_CMD_LEAVE_OCB
,
10821 .doit
= nl80211_leave_ocb
,
10822 .policy
= nl80211_policy
,
10823 .flags
= GENL_ADMIN_PERM
,
10824 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10825 NL80211_FLAG_NEED_RTNL
,
10829 .cmd
= NL80211_CMD_GET_WOWLAN
,
10830 .doit
= nl80211_get_wowlan
,
10831 .policy
= nl80211_policy
,
10832 /* can be retrieved by unprivileged users */
10833 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10834 NL80211_FLAG_NEED_RTNL
,
10837 .cmd
= NL80211_CMD_SET_WOWLAN
,
10838 .doit
= nl80211_set_wowlan
,
10839 .policy
= nl80211_policy
,
10840 .flags
= GENL_ADMIN_PERM
,
10841 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10842 NL80211_FLAG_NEED_RTNL
,
10846 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10847 .doit
= nl80211_set_rekey_data
,
10848 .policy
= nl80211_policy
,
10849 .flags
= GENL_ADMIN_PERM
,
10850 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10851 NL80211_FLAG_NEED_RTNL
|
10852 NL80211_FLAG_CLEAR_SKB
,
10855 .cmd
= NL80211_CMD_TDLS_MGMT
,
10856 .doit
= nl80211_tdls_mgmt
,
10857 .policy
= nl80211_policy
,
10858 .flags
= GENL_ADMIN_PERM
,
10859 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10860 NL80211_FLAG_NEED_RTNL
,
10863 .cmd
= NL80211_CMD_TDLS_OPER
,
10864 .doit
= nl80211_tdls_oper
,
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_UNEXPECTED_FRAME
,
10872 .doit
= nl80211_register_unexpected_frame
,
10873 .policy
= nl80211_policy
,
10874 .flags
= GENL_ADMIN_PERM
,
10875 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10876 NL80211_FLAG_NEED_RTNL
,
10879 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10880 .doit
= nl80211_probe_client
,
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_REGISTER_BEACONS
,
10888 .doit
= nl80211_register_beacons
,
10889 .policy
= nl80211_policy
,
10890 .flags
= GENL_ADMIN_PERM
,
10891 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10892 NL80211_FLAG_NEED_RTNL
,
10895 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10896 .doit
= nl80211_set_noack_map
,
10897 .policy
= nl80211_policy
,
10898 .flags
= GENL_ADMIN_PERM
,
10899 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10900 NL80211_FLAG_NEED_RTNL
,
10903 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10904 .doit
= nl80211_start_p2p_device
,
10905 .policy
= nl80211_policy
,
10906 .flags
= GENL_ADMIN_PERM
,
10907 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10908 NL80211_FLAG_NEED_RTNL
,
10911 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10912 .doit
= nl80211_stop_p2p_device
,
10913 .policy
= nl80211_policy
,
10914 .flags
= GENL_ADMIN_PERM
,
10915 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10916 NL80211_FLAG_NEED_RTNL
,
10919 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10920 .doit
= nl80211_set_mcast_rate
,
10921 .policy
= nl80211_policy
,
10922 .flags
= GENL_ADMIN_PERM
,
10923 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10924 NL80211_FLAG_NEED_RTNL
,
10927 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10928 .doit
= nl80211_set_mac_acl
,
10929 .policy
= nl80211_policy
,
10930 .flags
= GENL_ADMIN_PERM
,
10931 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10932 NL80211_FLAG_NEED_RTNL
,
10935 .cmd
= NL80211_CMD_RADAR_DETECT
,
10936 .doit
= nl80211_start_radar_detection
,
10937 .policy
= nl80211_policy
,
10938 .flags
= GENL_ADMIN_PERM
,
10939 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10940 NL80211_FLAG_NEED_RTNL
,
10943 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10944 .doit
= nl80211_get_protocol_features
,
10945 .policy
= nl80211_policy
,
10948 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10949 .doit
= nl80211_update_ft_ies
,
10950 .policy
= nl80211_policy
,
10951 .flags
= GENL_ADMIN_PERM
,
10952 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10953 NL80211_FLAG_NEED_RTNL
,
10956 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10957 .doit
= nl80211_crit_protocol_start
,
10958 .policy
= nl80211_policy
,
10959 .flags
= GENL_ADMIN_PERM
,
10960 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10961 NL80211_FLAG_NEED_RTNL
,
10964 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10965 .doit
= nl80211_crit_protocol_stop
,
10966 .policy
= nl80211_policy
,
10967 .flags
= GENL_ADMIN_PERM
,
10968 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10969 NL80211_FLAG_NEED_RTNL
,
10972 .cmd
= NL80211_CMD_GET_COALESCE
,
10973 .doit
= nl80211_get_coalesce
,
10974 .policy
= nl80211_policy
,
10975 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10976 NL80211_FLAG_NEED_RTNL
,
10979 .cmd
= NL80211_CMD_SET_COALESCE
,
10980 .doit
= nl80211_set_coalesce
,
10981 .policy
= nl80211_policy
,
10982 .flags
= GENL_ADMIN_PERM
,
10983 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10984 NL80211_FLAG_NEED_RTNL
,
10987 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10988 .doit
= nl80211_channel_switch
,
10989 .policy
= nl80211_policy
,
10990 .flags
= GENL_ADMIN_PERM
,
10991 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10992 NL80211_FLAG_NEED_RTNL
,
10995 .cmd
= NL80211_CMD_VENDOR
,
10996 .doit
= nl80211_vendor_cmd
,
10997 .policy
= nl80211_policy
,
10998 .flags
= GENL_ADMIN_PERM
,
10999 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
11000 NL80211_FLAG_NEED_RTNL
,
11003 .cmd
= NL80211_CMD_SET_QOS_MAP
,
11004 .doit
= nl80211_set_qos_map
,
11005 .policy
= nl80211_policy
,
11006 .flags
= GENL_ADMIN_PERM
,
11007 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11008 NL80211_FLAG_NEED_RTNL
,
11011 .cmd
= NL80211_CMD_ADD_TX_TS
,
11012 .doit
= nl80211_add_tx_ts
,
11013 .policy
= nl80211_policy
,
11014 .flags
= GENL_ADMIN_PERM
,
11015 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11016 NL80211_FLAG_NEED_RTNL
,
11019 .cmd
= NL80211_CMD_DEL_TX_TS
,
11020 .doit
= nl80211_del_tx_ts
,
11021 .policy
= nl80211_policy
,
11022 .flags
= GENL_ADMIN_PERM
,
11023 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11024 NL80211_FLAG_NEED_RTNL
,
11027 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
11028 .doit
= nl80211_tdls_channel_switch
,
11029 .policy
= nl80211_policy
,
11030 .flags
= GENL_ADMIN_PERM
,
11031 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11032 NL80211_FLAG_NEED_RTNL
,
11035 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
11036 .doit
= nl80211_tdls_cancel_channel_switch
,
11037 .policy
= nl80211_policy
,
11038 .flags
= GENL_ADMIN_PERM
,
11039 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
11040 NL80211_FLAG_NEED_RTNL
,
11044 /* notification functions */
11046 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
11047 enum nl80211_commands cmd
)
11049 struct sk_buff
*msg
;
11050 struct nl80211_dump_wiphy_state state
= {};
11052 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
11053 cmd
!= NL80211_CMD_DEL_WIPHY
);
11055 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11059 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
11064 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11065 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
11068 static int nl80211_add_scan_req(struct sk_buff
*msg
,
11069 struct cfg80211_registered_device
*rdev
)
11071 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
11072 struct nlattr
*nest
;
11078 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
11080 goto nla_put_failure
;
11081 for (i
= 0; i
< req
->n_ssids
; i
++) {
11082 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
11083 goto nla_put_failure
;
11085 nla_nest_end(msg
, nest
);
11087 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
11089 goto nla_put_failure
;
11090 for (i
= 0; i
< req
->n_channels
; i
++) {
11091 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
11092 goto nla_put_failure
;
11094 nla_nest_end(msg
, nest
);
11097 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
11098 goto nla_put_failure
;
11101 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
11102 goto nla_put_failure
;
11109 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
11110 struct cfg80211_registered_device
*rdev
,
11111 struct wireless_dev
*wdev
,
11112 u32 portid
, u32 seq
, int flags
,
11117 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11121 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11122 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11123 wdev
->netdev
->ifindex
)) ||
11124 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11125 goto nla_put_failure
;
11127 /* ignore errors and send incomplete event anyway */
11128 nl80211_add_scan_req(msg
, rdev
);
11130 genlmsg_end(msg
, hdr
);
11134 genlmsg_cancel(msg
, hdr
);
11139 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
11140 struct cfg80211_registered_device
*rdev
,
11141 struct net_device
*netdev
,
11142 u32 portid
, u32 seq
, int flags
, u32 cmd
)
11146 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
11150 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11151 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11152 goto nla_put_failure
;
11154 genlmsg_end(msg
, hdr
);
11158 genlmsg_cancel(msg
, hdr
);
11162 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
11163 struct wireless_dev
*wdev
)
11165 struct sk_buff
*msg
;
11167 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11171 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11172 NL80211_CMD_TRIGGER_SCAN
) < 0) {
11177 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11178 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11181 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
11182 struct wireless_dev
*wdev
, bool aborted
)
11184 struct sk_buff
*msg
;
11186 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11190 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
11191 aborted
? NL80211_CMD_SCAN_ABORTED
:
11192 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
11200 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
11201 struct sk_buff
*msg
)
11206 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11207 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11210 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
11211 struct net_device
*netdev
)
11213 struct sk_buff
*msg
;
11215 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11219 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
11220 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
11225 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11226 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11229 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
11230 struct net_device
*netdev
, u32 cmd
)
11232 struct sk_buff
*msg
;
11234 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11238 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
11243 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11244 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11247 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
11248 struct regulatory_request
*request
)
11250 /* Userspace can always count this one always being set */
11251 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
11252 goto nla_put_failure
;
11254 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
11255 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11256 NL80211_REGDOM_TYPE_WORLD
))
11257 goto nla_put_failure
;
11258 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
11259 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11260 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
11261 goto nla_put_failure
;
11262 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
11263 request
->intersect
) {
11264 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11265 NL80211_REGDOM_TYPE_INTERSECTION
))
11266 goto nla_put_failure
;
11268 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11269 NL80211_REGDOM_TYPE_COUNTRY
) ||
11270 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
11272 goto nla_put_failure
;
11275 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
11276 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
11279 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
11280 goto nla_put_failure
;
11283 wiphy
->regulatory_flags
& REGULATORY_WIPHY_SELF_MANAGED
&&
11284 nla_put_flag(msg
, NL80211_ATTR_WIPHY_SELF_MANAGED_REG
))
11285 goto nla_put_failure
;
11295 * This can happen on global regulatory changes or device specific settings
11296 * based on custom regulatory domains.
11298 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
11299 struct regulatory_request
*request
)
11301 struct sk_buff
*msg
;
11304 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11308 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
11314 if (nl80211_reg_change_event_fill(msg
, request
) == false)
11315 goto nla_put_failure
;
11317 genlmsg_end(msg
, hdr
);
11320 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11321 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11327 genlmsg_cancel(msg
, hdr
);
11331 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11332 struct net_device
*netdev
,
11333 const u8
*buf
, size_t len
,
11334 enum nl80211_commands cmd
, gfp_t gfp
,
11337 struct sk_buff
*msg
;
11340 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11344 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11350 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11351 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11352 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11353 goto nla_put_failure
;
11355 if (uapsd_queues
>= 0) {
11356 struct nlattr
*nla_wmm
=
11357 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11359 goto nla_put_failure
;
11361 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11363 goto nla_put_failure
;
11365 nla_nest_end(msg
, nla_wmm
);
11368 genlmsg_end(msg
, hdr
);
11370 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11371 NL80211_MCGRP_MLME
, gfp
);
11375 genlmsg_cancel(msg
, hdr
);
11379 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11380 struct net_device
*netdev
, const u8
*buf
,
11381 size_t len
, gfp_t gfp
)
11383 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11384 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11387 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11388 struct net_device
*netdev
, const u8
*buf
,
11389 size_t len
, gfp_t gfp
, int uapsd_queues
)
11391 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11392 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11395 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11396 struct net_device
*netdev
, const u8
*buf
,
11397 size_t len
, gfp_t gfp
)
11399 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11400 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11403 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11404 struct net_device
*netdev
, const u8
*buf
,
11405 size_t len
, gfp_t gfp
)
11407 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11408 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11411 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11414 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11415 struct wiphy
*wiphy
= wdev
->wiphy
;
11416 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11417 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11420 if (WARN_ON(len
< 2))
11423 if (ieee80211_is_deauth(mgmt
->frame_control
))
11424 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11426 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11428 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11429 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11431 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11433 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11434 struct net_device
*netdev
, int cmd
,
11435 const u8
*addr
, gfp_t gfp
)
11437 struct sk_buff
*msg
;
11440 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11444 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11450 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11451 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11452 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11453 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11454 goto nla_put_failure
;
11456 genlmsg_end(msg
, hdr
);
11458 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11459 NL80211_MCGRP_MLME
, gfp
);
11463 genlmsg_cancel(msg
, hdr
);
11467 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11468 struct net_device
*netdev
, const u8
*addr
,
11471 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11475 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11476 struct net_device
*netdev
, const u8
*addr
,
11479 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11483 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11484 struct net_device
*netdev
, const u8
*bssid
,
11485 const u8
*req_ie
, size_t req_ie_len
,
11486 const u8
*resp_ie
, size_t resp_ie_len
,
11487 u16 status
, gfp_t gfp
)
11489 struct sk_buff
*msg
;
11492 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11496 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11502 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11503 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11504 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11505 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11507 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11509 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11510 goto nla_put_failure
;
11512 genlmsg_end(msg
, hdr
);
11514 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11515 NL80211_MCGRP_MLME
, gfp
);
11519 genlmsg_cancel(msg
, hdr
);
11524 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11525 struct net_device
*netdev
, const u8
*bssid
,
11526 const u8
*req_ie
, size_t req_ie_len
,
11527 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11529 struct sk_buff
*msg
;
11532 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11536 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11542 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11543 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11544 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11546 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11548 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11549 goto nla_put_failure
;
11551 genlmsg_end(msg
, hdr
);
11553 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11554 NL80211_MCGRP_MLME
, gfp
);
11558 genlmsg_cancel(msg
, hdr
);
11563 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11564 struct net_device
*netdev
, u16 reason
,
11565 const u8
*ie
, size_t ie_len
, bool from_ap
)
11567 struct sk_buff
*msg
;
11570 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11574 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11580 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11581 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11582 (from_ap
&& reason
&&
11583 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
11585 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
11586 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11587 goto nla_put_failure
;
11589 genlmsg_end(msg
, hdr
);
11591 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11592 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11596 genlmsg_cancel(msg
, hdr
);
11601 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
11602 struct net_device
*netdev
, const u8
*bssid
,
11605 struct sk_buff
*msg
;
11608 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11612 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
11618 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11619 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11620 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11621 goto nla_put_failure
;
11623 genlmsg_end(msg
, hdr
);
11625 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11626 NL80211_MCGRP_MLME
, gfp
);
11630 genlmsg_cancel(msg
, hdr
);
11634 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
11635 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
11637 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11638 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11639 struct sk_buff
*msg
;
11642 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11645 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
11647 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11651 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11657 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11658 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11659 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11661 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11662 goto nla_put_failure
;
11664 genlmsg_end(msg
, hdr
);
11666 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11667 NL80211_MCGRP_MLME
, gfp
);
11671 genlmsg_cancel(msg
, hdr
);
11674 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11676 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11677 struct net_device
*netdev
, const u8
*addr
,
11678 enum nl80211_key_type key_type
, int key_id
,
11679 const u8
*tsc
, gfp_t gfp
)
11681 struct sk_buff
*msg
;
11684 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11688 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11694 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11695 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11696 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11697 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11699 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11700 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11701 goto nla_put_failure
;
11703 genlmsg_end(msg
, hdr
);
11705 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11706 NL80211_MCGRP_MLME
, gfp
);
11710 genlmsg_cancel(msg
, hdr
);
11714 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11715 struct ieee80211_channel
*channel_before
,
11716 struct ieee80211_channel
*channel_after
)
11718 struct sk_buff
*msg
;
11720 struct nlattr
*nl_freq
;
11722 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11726 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11733 * Since we are applying the beacon hint to a wiphy we know its
11734 * wiphy_idx is valid
11736 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11737 goto nla_put_failure
;
11740 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11742 goto nla_put_failure
;
11743 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11744 goto nla_put_failure
;
11745 nla_nest_end(msg
, nl_freq
);
11748 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11750 goto nla_put_failure
;
11751 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11752 goto nla_put_failure
;
11753 nla_nest_end(msg
, nl_freq
);
11755 genlmsg_end(msg
, hdr
);
11758 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11759 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11765 genlmsg_cancel(msg
, hdr
);
11769 static void nl80211_send_remain_on_chan_event(
11770 int cmd
, struct cfg80211_registered_device
*rdev
,
11771 struct wireless_dev
*wdev
, u64 cookie
,
11772 struct ieee80211_channel
*chan
,
11773 unsigned int duration
, gfp_t gfp
)
11775 struct sk_buff
*msg
;
11778 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11782 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11788 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11789 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11790 wdev
->netdev
->ifindex
)) ||
11791 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11792 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11793 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11794 NL80211_CHAN_NO_HT
) ||
11795 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11796 goto nla_put_failure
;
11798 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11799 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11800 goto nla_put_failure
;
11802 genlmsg_end(msg
, hdr
);
11804 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11805 NL80211_MCGRP_MLME
, gfp
);
11809 genlmsg_cancel(msg
, hdr
);
11813 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11814 struct ieee80211_channel
*chan
,
11815 unsigned int duration
, gfp_t gfp
)
11817 struct wiphy
*wiphy
= wdev
->wiphy
;
11818 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11820 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11821 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11822 rdev
, wdev
, cookie
, chan
,
11825 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11827 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11828 struct ieee80211_channel
*chan
,
11831 struct wiphy
*wiphy
= wdev
->wiphy
;
11832 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11834 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11835 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11836 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11838 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11840 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11841 struct station_info
*sinfo
, gfp_t gfp
)
11843 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11844 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11845 struct sk_buff
*msg
;
11847 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11849 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11853 if (nl80211_send_station(msg
, NL80211_CMD_NEW_STATION
, 0, 0, 0,
11854 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11859 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11860 NL80211_MCGRP_MLME
, gfp
);
11862 EXPORT_SYMBOL(cfg80211_new_sta
);
11864 void cfg80211_del_sta_sinfo(struct net_device
*dev
, const u8
*mac_addr
,
11865 struct station_info
*sinfo
, gfp_t gfp
)
11867 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11868 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11869 struct sk_buff
*msg
;
11870 struct station_info empty_sinfo
= {};
11873 sinfo
= &empty_sinfo
;
11875 trace_cfg80211_del_sta(dev
, mac_addr
);
11877 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11881 if (nl80211_send_station(msg
, NL80211_CMD_DEL_STATION
, 0, 0, 0,
11882 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11887 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11888 NL80211_MCGRP_MLME
, gfp
);
11890 EXPORT_SYMBOL(cfg80211_del_sta_sinfo
);
11892 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11893 enum nl80211_connect_failed_reason reason
,
11896 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11897 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11898 struct sk_buff
*msg
;
11901 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11905 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11911 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11912 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11913 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11914 goto nla_put_failure
;
11916 genlmsg_end(msg
, hdr
);
11918 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11919 NL80211_MCGRP_MLME
, gfp
);
11923 genlmsg_cancel(msg
, hdr
);
11926 EXPORT_SYMBOL(cfg80211_conn_failed
);
11928 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11929 const u8
*addr
, gfp_t gfp
)
11931 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11932 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11933 struct sk_buff
*msg
;
11935 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11940 msg
= nlmsg_new(100, gfp
);
11944 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11950 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11951 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11952 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11953 goto nla_put_failure
;
11955 genlmsg_end(msg
, hdr
);
11956 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11960 genlmsg_cancel(msg
, hdr
);
11965 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11966 const u8
*addr
, gfp_t gfp
)
11968 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11971 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11973 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11974 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11975 trace_cfg80211_return_bool(false);
11978 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11980 trace_cfg80211_return_bool(ret
);
11983 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11985 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11986 const u8
*addr
, gfp_t gfp
)
11988 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11991 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11993 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11994 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11995 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11996 trace_cfg80211_return_bool(false);
11999 ret
= __nl80211_unexpected_frame(dev
,
12000 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
12002 trace_cfg80211_return_bool(ret
);
12005 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
12007 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
12008 struct wireless_dev
*wdev
, u32 nlportid
,
12009 int freq
, int sig_dbm
,
12010 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
12012 struct net_device
*netdev
= wdev
->netdev
;
12013 struct sk_buff
*msg
;
12016 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12020 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12026 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12027 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12028 netdev
->ifindex
)) ||
12029 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
12030 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
12032 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12033 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12035 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
12036 goto nla_put_failure
;
12038 genlmsg_end(msg
, hdr
);
12040 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12043 genlmsg_cancel(msg
, hdr
);
12048 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
12049 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
12051 struct wiphy
*wiphy
= wdev
->wiphy
;
12052 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12053 struct net_device
*netdev
= wdev
->netdev
;
12054 struct sk_buff
*msg
;
12057 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
12059 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12063 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
12069 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12070 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12071 netdev
->ifindex
)) ||
12072 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
12073 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
12074 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12075 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12076 goto nla_put_failure
;
12078 genlmsg_end(msg
, hdr
);
12080 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12081 NL80211_MCGRP_MLME
, gfp
);
12085 genlmsg_cancel(msg
, hdr
);
12088 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
12090 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
12091 const char *mac
, gfp_t gfp
)
12093 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12094 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12095 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12101 cb
= (void **)msg
->cb
;
12103 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
12109 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12110 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
12111 goto nla_put_failure
;
12113 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
12114 goto nla_put_failure
;
12116 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
12118 goto nla_put_failure
;
12128 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
12130 void **cb
= (void **)msg
->cb
;
12131 struct cfg80211_registered_device
*rdev
= cb
[2];
12133 nla_nest_end(msg
, cb
[1]);
12134 genlmsg_end(msg
, cb
[0]);
12136 memset(msg
->cb
, 0, sizeof(msg
->cb
));
12138 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12139 NL80211_MCGRP_MLME
, gfp
);
12142 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
12143 enum nl80211_cqm_rssi_threshold_event rssi_event
,
12146 struct sk_buff
*msg
;
12148 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
12150 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
12151 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
12154 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12158 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
12160 goto nla_put_failure
;
12162 cfg80211_send_cqm(msg
, gfp
);
12169 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
12171 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
12172 const u8
*peer
, u32 num_packets
,
12173 u32 rate
, u32 intvl
, gfp_t gfp
)
12175 struct sk_buff
*msg
;
12177 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12181 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12182 goto nla_put_failure
;
12184 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12185 goto nla_put_failure
;
12187 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12188 goto nla_put_failure
;
12190 cfg80211_send_cqm(msg
, gfp
);
12196 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12198 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12199 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12201 struct sk_buff
*msg
;
12203 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12205 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12209 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12210 goto nla_put_failure
;
12212 cfg80211_send_cqm(msg
, gfp
);
12218 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12220 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
12222 struct sk_buff
*msg
;
12224 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12228 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
12229 goto nla_put_failure
;
12231 cfg80211_send_cqm(msg
, gfp
);
12237 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
12239 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
12240 struct net_device
*netdev
, const u8
*bssid
,
12241 const u8
*replay_ctr
, gfp_t gfp
)
12243 struct sk_buff
*msg
;
12244 struct nlattr
*rekey_attr
;
12247 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12251 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
12257 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12258 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12259 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12260 goto nla_put_failure
;
12262 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
12264 goto nla_put_failure
;
12266 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
12267 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
12268 goto nla_put_failure
;
12270 nla_nest_end(msg
, rekey_attr
);
12272 genlmsg_end(msg
, hdr
);
12274 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12275 NL80211_MCGRP_MLME
, gfp
);
12279 genlmsg_cancel(msg
, hdr
);
12283 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
12284 const u8
*replay_ctr
, gfp_t gfp
)
12286 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12287 struct wiphy
*wiphy
= wdev
->wiphy
;
12288 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12290 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
12291 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
12293 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
12296 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
12297 struct net_device
*netdev
, int index
,
12298 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12300 struct sk_buff
*msg
;
12301 struct nlattr
*attr
;
12304 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12308 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
12314 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12315 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12316 goto nla_put_failure
;
12318 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
12320 goto nla_put_failure
;
12322 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12323 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12325 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12326 goto nla_put_failure
;
12328 nla_nest_end(msg
, attr
);
12330 genlmsg_end(msg
, hdr
);
12332 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12333 NL80211_MCGRP_MLME
, gfp
);
12337 genlmsg_cancel(msg
, hdr
);
12341 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12342 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12344 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12345 struct wiphy
*wiphy
= wdev
->wiphy
;
12346 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12348 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12349 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12351 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12353 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12354 struct net_device
*netdev
,
12355 struct cfg80211_chan_def
*chandef
,
12357 enum nl80211_commands notif
,
12360 struct sk_buff
*msg
;
12363 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12367 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12373 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12374 goto nla_put_failure
;
12376 if (nl80211_send_chandef(msg
, chandef
))
12377 goto nla_put_failure
;
12379 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12380 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12381 goto nla_put_failure
;
12383 genlmsg_end(msg
, hdr
);
12385 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12386 NL80211_MCGRP_MLME
, gfp
);
12390 genlmsg_cancel(msg
, hdr
);
12394 void cfg80211_ch_switch_notify(struct net_device
*dev
,
12395 struct cfg80211_chan_def
*chandef
)
12397 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12398 struct wiphy
*wiphy
= wdev
->wiphy
;
12399 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12401 ASSERT_WDEV_LOCK(wdev
);
12403 trace_cfg80211_ch_switch_notify(dev
, chandef
);
12405 wdev
->chandef
= *chandef
;
12406 wdev
->preset_chandef
= *chandef
;
12407 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12408 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
12410 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
12412 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
12413 struct cfg80211_chan_def
*chandef
,
12416 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12417 struct wiphy
*wiphy
= wdev
->wiphy
;
12418 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12420 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
12422 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12423 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
12425 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
12428 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12429 const struct cfg80211_chan_def
*chandef
,
12430 enum nl80211_radar_event event
,
12431 struct net_device
*netdev
, gfp_t gfp
)
12433 struct sk_buff
*msg
;
12436 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12440 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12446 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12447 goto nla_put_failure
;
12449 /* NOP and radar events don't need a netdev parameter */
12451 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12453 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12454 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12455 goto nla_put_failure
;
12458 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12459 goto nla_put_failure
;
12461 if (nl80211_send_chandef(msg
, chandef
))
12462 goto nla_put_failure
;
12464 genlmsg_end(msg
, hdr
);
12466 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12467 NL80211_MCGRP_MLME
, gfp
);
12471 genlmsg_cancel(msg
, hdr
);
12475 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12476 u64 cookie
, bool acked
, gfp_t gfp
)
12478 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12479 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12480 struct sk_buff
*msg
;
12483 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12485 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12490 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12496 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12497 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12498 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12499 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12500 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12501 goto nla_put_failure
;
12503 genlmsg_end(msg
, hdr
);
12505 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12506 NL80211_MCGRP_MLME
, gfp
);
12510 genlmsg_cancel(msg
, hdr
);
12513 EXPORT_SYMBOL(cfg80211_probe_status
);
12515 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12516 const u8
*frame
, size_t len
,
12517 int freq
, int sig_dbm
)
12519 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12520 struct sk_buff
*msg
;
12522 struct cfg80211_beacon_registration
*reg
;
12524 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12526 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12527 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12528 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12530 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12534 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12536 goto nla_put_failure
;
12538 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12540 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12542 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12543 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12544 goto nla_put_failure
;
12546 genlmsg_end(msg
, hdr
);
12548 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12550 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12554 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12556 genlmsg_cancel(msg
, hdr
);
12559 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12562 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12563 struct cfg80211_wowlan_wakeup
*wakeup
)
12565 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12566 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12569 nl_results
= nla_nest_start(
12570 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12574 for (i
= 0; i
< nd
->n_matches
; i
++) {
12575 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12577 nl_match
= nla_nest_start(msg
, i
);
12581 /* The SSID attribute is optional in nl80211, but for
12582 * simplicity reasons it's always present in the
12583 * cfg80211 structure. If a driver can't pass the
12584 * SSID, that needs to be changed. A zero length SSID
12585 * is still a valid SSID (wildcard), so it cannot be
12586 * used for this purpose.
12588 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
12589 match
->ssid
.ssid
)) {
12590 nla_nest_cancel(msg
, nl_match
);
12594 if (match
->n_channels
) {
12595 nl_freqs
= nla_nest_start(
12596 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12598 nla_nest_cancel(msg
, nl_match
);
12602 for (j
= 0; j
< match
->n_channels
; j
++) {
12603 if (nla_put_u32(msg
, j
, match
->channels
[j
])) {
12604 nla_nest_cancel(msg
, nl_freqs
);
12605 nla_nest_cancel(msg
, nl_match
);
12610 nla_nest_end(msg
, nl_freqs
);
12613 nla_nest_end(msg
, nl_match
);
12617 nla_nest_end(msg
, nl_results
);
12621 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
12622 struct cfg80211_wowlan_wakeup
*wakeup
,
12625 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12626 struct sk_buff
*msg
;
12630 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
12633 size
+= wakeup
->packet_present_len
;
12635 msg
= nlmsg_new(size
, gfp
);
12639 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
12643 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12644 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12647 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12648 wdev
->netdev
->ifindex
))
12652 struct nlattr
*reasons
;
12654 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
12658 if (wakeup
->disconnect
&&
12659 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
12661 if (wakeup
->magic_pkt
&&
12662 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
12664 if (wakeup
->gtk_rekey_failure
&&
12665 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
12667 if (wakeup
->eap_identity_req
&&
12668 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
12670 if (wakeup
->four_way_handshake
&&
12671 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
12673 if (wakeup
->rfkill_release
&&
12674 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
12677 if (wakeup
->pattern_idx
>= 0 &&
12678 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
12679 wakeup
->pattern_idx
))
12682 if (wakeup
->tcp_match
&&
12683 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
12686 if (wakeup
->tcp_connlost
&&
12687 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
12690 if (wakeup
->tcp_nomoretokens
&&
12692 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
12695 if (wakeup
->packet
) {
12696 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
12697 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
12699 if (!wakeup
->packet_80211
) {
12701 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
12703 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
12706 if (wakeup
->packet_len
&&
12707 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
12710 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
12715 if (wakeup
->net_detect
&&
12716 cfg80211_net_detect_results(msg
, wakeup
))
12719 nla_nest_end(msg
, reasons
);
12722 genlmsg_end(msg
, hdr
);
12724 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12725 NL80211_MCGRP_MLME
, gfp
);
12731 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12734 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12735 enum nl80211_tdls_operation oper
,
12736 u16 reason_code
, gfp_t gfp
)
12738 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12739 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12740 struct sk_buff
*msg
;
12743 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12746 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12750 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12756 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12757 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12758 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12759 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12760 (reason_code
> 0 &&
12761 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12762 goto nla_put_failure
;
12764 genlmsg_end(msg
, hdr
);
12766 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12767 NL80211_MCGRP_MLME
, gfp
);
12771 genlmsg_cancel(msg
, hdr
);
12774 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12776 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12777 unsigned long state
,
12780 struct netlink_notify
*notify
= _notify
;
12781 struct cfg80211_registered_device
*rdev
;
12782 struct wireless_dev
*wdev
;
12783 struct cfg80211_beacon_registration
*reg
, *tmp
;
12785 if (state
!= NETLINK_URELEASE
)
12786 return NOTIFY_DONE
;
12790 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12791 bool schedule_destroy_work
= false;
12792 bool schedule_scan_stop
= false;
12793 struct cfg80211_sched_scan_request
*sched_scan_req
=
12794 rcu_dereference(rdev
->sched_scan_req
);
12796 if (sched_scan_req
&& notify
->portid
&&
12797 sched_scan_req
->owner_nlportid
== notify
->portid
)
12798 schedule_scan_stop
= true;
12800 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12801 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12803 if (wdev
->owner_nlportid
== notify
->portid
)
12804 schedule_destroy_work
= true;
12807 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12808 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12810 if (reg
->nlportid
== notify
->portid
) {
12811 list_del(®
->list
);
12816 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12818 if (schedule_destroy_work
) {
12819 struct cfg80211_iface_destroy
*destroy
;
12821 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12823 destroy
->nlportid
= notify
->portid
;
12824 spin_lock(&rdev
->destroy_list_lock
);
12825 list_add(&destroy
->list
, &rdev
->destroy_list
);
12826 spin_unlock(&rdev
->destroy_list_lock
);
12827 schedule_work(&rdev
->destroy_work
);
12829 } else if (schedule_scan_stop
) {
12830 sched_scan_req
->owner_nlportid
= 0;
12832 if (rdev
->ops
->sched_scan_stop
&&
12833 rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
12834 schedule_work(&rdev
->sched_scan_stop_wk
);
12841 * It is possible that the user space process that is controlling the
12842 * indoor setting disappeared, so notify the regulatory core.
12844 regulatory_netlink_notify(notify
->portid
);
12848 static struct notifier_block nl80211_netlink_notifier
= {
12849 .notifier_call
= nl80211_netlink_notify
,
12852 void cfg80211_ft_event(struct net_device
*netdev
,
12853 struct cfg80211_ft_event_params
*ft_event
)
12855 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12856 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12857 struct sk_buff
*msg
;
12860 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12862 if (!ft_event
->target_ap
)
12865 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12869 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12873 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12874 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12875 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12878 if (ft_event
->ies
&&
12879 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12881 if (ft_event
->ric_ies
&&
12882 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12883 ft_event
->ric_ies
))
12886 genlmsg_end(msg
, hdr
);
12888 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12889 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12894 EXPORT_SYMBOL(cfg80211_ft_event
);
12896 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12898 struct cfg80211_registered_device
*rdev
;
12899 struct sk_buff
*msg
;
12903 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12904 if (!rdev
->crit_proto_nlportid
)
12907 nlportid
= rdev
->crit_proto_nlportid
;
12908 rdev
->crit_proto_nlportid
= 0;
12910 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12914 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12916 goto nla_put_failure
;
12918 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12919 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12920 goto nla_put_failure
;
12922 genlmsg_end(msg
, hdr
);
12924 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12929 genlmsg_cancel(msg
, hdr
);
12933 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12935 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12937 struct wiphy
*wiphy
= wdev
->wiphy
;
12938 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12939 struct sk_buff
*msg
;
12942 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12946 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12950 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12951 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12952 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12955 genlmsg_end(msg
, hdr
);
12957 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12958 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12964 /* initialisation/exit functions */
12966 int nl80211_init(void)
12970 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12975 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12981 genl_unregister_family(&nl80211_fam
);
12985 void nl80211_exit(void)
12987 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12988 genl_unregister_family(&nl80211_fam
);