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
= "config", },
63 [NL80211_MCGRP_SCAN
] = { .name
= "scan", },
64 [NL80211_MCGRP_REGULATORY
] = { .name
= "regulatory", },
65 [NL80211_MCGRP_MLME
] = { .name
= "mlme", },
66 [NL80211_MCGRP_VENDOR
] = { .name
= "vendor", },
67 #ifdef CONFIG_NL80211_TESTMODE
68 [NL80211_MCGRP_TESTMODE
] = { .name
= "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
[NL80211_ATTR_MAX
+1] = {
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_IFACE_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
},
400 /* policy for the key attributes */
401 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
402 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
403 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
404 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
405 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
406 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
407 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
408 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
409 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
412 /* policy for the key default flags */
413 static const struct nla_policy
414 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
415 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
416 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
419 /* policy for WoWLAN attributes */
420 static const struct nla_policy
421 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
422 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
423 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
424 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
425 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
426 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
427 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
428 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
429 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
430 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
433 static const struct nla_policy
434 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
435 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
436 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
437 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
438 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
439 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
440 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
441 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
442 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
444 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
445 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
447 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
448 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
449 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
452 /* policy for coalesce rule attributes */
453 static const struct nla_policy
454 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
455 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
456 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
457 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
460 /* policy for GTK rekey offload attributes */
461 static const struct nla_policy
462 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
463 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
464 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
465 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
468 static const struct nla_policy
469 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
470 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
471 .len
= IEEE80211_MAX_SSID_LEN
},
472 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
475 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
476 struct netlink_callback
*cb
,
477 struct cfg80211_registered_device
**rdev
,
478 struct wireless_dev
**wdev
)
485 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
486 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
491 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
492 nl80211_fam
.attrbuf
);
494 err
= PTR_ERR(*wdev
);
497 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
498 /* 0 is the first index - add 1 to parse only once */
499 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
500 cb
->args
[1] = (*wdev
)->identifier
;
502 /* subtract the 1 again here */
503 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
504 struct wireless_dev
*tmp
;
510 *rdev
= wiphy_to_rdev(wiphy
);
513 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
514 if (tmp
->identifier
== cb
->args
[1]) {
532 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
538 static bool is_valid_ie_attr(const struct nlattr
*attr
)
546 pos
= nla_data(attr
);
567 /* message building helper */
568 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
571 /* since there is no private header just add the generic one */
572 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
575 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
576 struct ieee80211_channel
*chan
,
579 /* Some channels must be completely excluded from the
580 * list to protect old user-space tools from breaking
582 if (!large
&& chan
->flags
&
583 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
586 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
588 goto nla_put_failure
;
590 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
591 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
592 goto nla_put_failure
;
593 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
594 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
595 goto nla_put_failure
;
596 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
597 goto nla_put_failure
;
599 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
600 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
601 goto nla_put_failure
;
605 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
607 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
609 goto nla_put_failure
;
610 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
612 goto nla_put_failure
;
614 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
616 goto nla_put_failure
;
621 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
622 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
623 goto nla_put_failure
;
624 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
625 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
626 goto nla_put_failure
;
627 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
628 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
629 goto nla_put_failure
;
630 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
631 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
632 goto nla_put_failure
;
633 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
634 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
635 goto nla_put_failure
;
636 if ((chan
->flags
& IEEE80211_CHAN_GO_CONCURRENT
) &&
637 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_GO_CONCURRENT
))
638 goto nla_put_failure
;
639 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
640 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
641 goto nla_put_failure
;
642 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
643 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
644 goto nla_put_failure
;
647 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
648 DBM_TO_MBM(chan
->max_power
)))
649 goto nla_put_failure
;
657 /* netlink command implementations */
664 bool def_uni
, def_multi
;
667 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
669 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
670 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
675 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
676 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
685 if (tb
[NL80211_KEY_IDX
])
686 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
688 if (tb
[NL80211_KEY_DATA
]) {
689 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
690 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
693 if (tb
[NL80211_KEY_SEQ
]) {
694 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
695 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
698 if (tb
[NL80211_KEY_CIPHER
])
699 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
701 if (tb
[NL80211_KEY_TYPE
]) {
702 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
703 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
707 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
708 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
709 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
710 tb
[NL80211_KEY_DEFAULT_TYPES
],
711 nl80211_key_default_policy
);
715 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
716 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
722 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
724 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
725 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
726 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
729 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
730 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
731 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
734 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
735 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
737 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
738 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
740 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
741 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
750 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
751 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
752 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
756 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
757 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
758 int err
= nla_parse_nested(
759 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
760 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
761 nl80211_key_default_policy
);
765 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
766 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
772 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
776 memset(k
, 0, sizeof(*k
));
780 if (info
->attrs
[NL80211_ATTR_KEY
])
781 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
783 err
= nl80211_parse_key_old(info
, k
);
788 if (k
->def
&& k
->defmgmt
)
792 if (k
->def_uni
|| !k
->def_multi
)
798 if (k
->idx
< 4 || k
->idx
> 5)
801 if (k
->idx
< 0 || k
->idx
> 3)
804 if (k
->idx
< 0 || k
->idx
> 5)
812 static struct cfg80211_cached_keys
*
813 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
814 struct nlattr
*keys
, bool *no_ht
)
816 struct key_parse parse
;
818 struct cfg80211_cached_keys
*result
;
819 int rem
, err
, def
= 0;
821 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
823 return ERR_PTR(-ENOMEM
);
826 result
->defmgmt
= -1;
828 nla_for_each_nested(key
, keys
, rem
) {
829 memset(&parse
, 0, sizeof(parse
));
832 err
= nl80211_parse_key_new(key
, &parse
);
838 if (parse
.idx
< 0 || parse
.idx
> 4)
844 result
->def
= parse
.idx
;
845 if (!parse
.def_uni
|| !parse
.def_multi
)
847 } else if (parse
.defmgmt
)
849 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
850 parse
.idx
, false, NULL
);
853 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
854 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
855 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
856 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
858 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
859 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
871 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
873 ASSERT_WDEV_LOCK(wdev
);
875 switch (wdev
->iftype
) {
876 case NL80211_IFTYPE_AP
:
877 case NL80211_IFTYPE_AP_VLAN
:
878 case NL80211_IFTYPE_P2P_GO
:
879 case NL80211_IFTYPE_MESH_POINT
:
881 case NL80211_IFTYPE_ADHOC
:
882 case NL80211_IFTYPE_STATION
:
883 case NL80211_IFTYPE_P2P_CLIENT
:
884 if (!wdev
->current_bss
)
894 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
897 struct ieee80211_channel
*chan
;
901 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
902 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
907 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
909 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
913 goto nla_put_failure
;
917 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
918 goto nla_put_failure
;
923 nla_nest_end(msg
, nl_modes
);
930 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
934 struct nlattr
*nl_combis
;
937 nl_combis
= nla_nest_start(msg
,
938 NL80211_ATTR_INTERFACE_COMBINATIONS
);
940 goto nla_put_failure
;
942 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
943 const struct ieee80211_iface_combination
*c
;
944 struct nlattr
*nl_combi
, *nl_limits
;
946 c
= &wiphy
->iface_combinations
[i
];
948 nl_combi
= nla_nest_start(msg
, i
+ 1);
950 goto nla_put_failure
;
952 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
954 goto nla_put_failure
;
956 for (j
= 0; j
< c
->n_limits
; j
++) {
957 struct nlattr
*nl_limit
;
959 nl_limit
= nla_nest_start(msg
, j
+ 1);
961 goto nla_put_failure
;
962 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
964 goto nla_put_failure
;
965 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
967 goto nla_put_failure
;
968 nla_nest_end(msg
, nl_limit
);
971 nla_nest_end(msg
, nl_limits
);
973 if (c
->beacon_int_infra_match
&&
974 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
975 goto nla_put_failure
;
976 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
977 c
->num_different_channels
) ||
978 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
980 goto nla_put_failure
;
982 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
983 c
->radar_detect_widths
) ||
984 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
985 c
->radar_detect_regions
)))
986 goto nla_put_failure
;
988 nla_nest_end(msg
, nl_combi
);
991 nla_nest_end(msg
, nl_combis
);
999 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1000 struct sk_buff
*msg
)
1002 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1003 struct nlattr
*nl_tcp
;
1008 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1012 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1013 tcp
->data_payload_max
))
1016 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1017 tcp
->data_payload_max
))
1020 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1023 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1024 sizeof(*tcp
->tok
), tcp
->tok
))
1027 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1028 tcp
->data_interval_max
))
1031 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1032 tcp
->wake_payload_max
))
1035 nla_nest_end(msg
, nl_tcp
);
1039 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1040 struct cfg80211_registered_device
*rdev
,
1043 struct nlattr
*nl_wowlan
;
1045 if (!rdev
->wiphy
.wowlan
)
1048 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1052 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1053 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1054 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1055 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1056 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1057 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1058 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1059 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1060 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1061 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1062 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1063 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1064 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1065 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1066 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1067 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1070 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1071 struct nl80211_pattern_support pat
= {
1072 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1073 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1074 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1075 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1078 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1083 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1086 nla_nest_end(msg
, nl_wowlan
);
1092 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1093 struct cfg80211_registered_device
*rdev
)
1095 struct nl80211_coalesce_rule_support rule
;
1097 if (!rdev
->wiphy
.coalesce
)
1100 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1101 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1102 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1103 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1104 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1105 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1107 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1113 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1114 struct ieee80211_supported_band
*sband
)
1116 struct nlattr
*nl_rates
, *nl_rate
;
1117 struct ieee80211_rate
*rate
;
1121 if (sband
->ht_cap
.ht_supported
&&
1122 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1123 sizeof(sband
->ht_cap
.mcs
),
1124 &sband
->ht_cap
.mcs
) ||
1125 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1126 sband
->ht_cap
.cap
) ||
1127 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1128 sband
->ht_cap
.ampdu_factor
) ||
1129 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1130 sband
->ht_cap
.ampdu_density
)))
1134 if (sband
->vht_cap
.vht_supported
&&
1135 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1136 sizeof(sband
->vht_cap
.vht_mcs
),
1137 &sband
->vht_cap
.vht_mcs
) ||
1138 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1139 sband
->vht_cap
.cap
)))
1143 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1147 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1148 nl_rate
= nla_nest_start(msg
, i
);
1152 rate
= &sband
->bitrates
[i
];
1153 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1156 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1158 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1161 nla_nest_end(msg
, nl_rate
);
1164 nla_nest_end(msg
, nl_rates
);
1170 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1171 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1174 struct nlattr
*nl_ftypes
, *nl_ifs
;
1175 enum nl80211_iftype ift
;
1181 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1185 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1186 nl_ftypes
= nla_nest_start(msg
, ift
);
1190 stypes
= mgmt_stypes
[ift
].tx
;
1193 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1194 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1199 nla_nest_end(msg
, nl_ftypes
);
1202 nla_nest_end(msg
, nl_ifs
);
1204 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1208 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1209 nl_ftypes
= nla_nest_start(msg
, ift
);
1213 stypes
= mgmt_stypes
[ift
].rx
;
1216 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1217 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1222 nla_nest_end(msg
, nl_ftypes
);
1224 nla_nest_end(msg
, nl_ifs
);
1229 struct nl80211_dump_wiphy_state
{
1232 long split_start
, band_start
, chan_start
;
1236 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1237 enum nl80211_commands cmd
,
1238 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1239 int flags
, struct nl80211_dump_wiphy_state
*state
)
1242 struct nlattr
*nl_bands
, *nl_band
;
1243 struct nlattr
*nl_freqs
, *nl_freq
;
1244 struct nlattr
*nl_cmds
;
1245 enum ieee80211_band band
;
1246 struct ieee80211_channel
*chan
;
1248 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1249 rdev
->wiphy
.mgmt_stypes
;
1252 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1256 if (WARN_ON(!state
))
1259 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1260 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1261 wiphy_name(&rdev
->wiphy
)) ||
1262 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1263 cfg80211_rdev_list_generation
))
1264 goto nla_put_failure
;
1266 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1269 switch (state
->split_start
) {
1271 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1272 rdev
->wiphy
.retry_short
) ||
1273 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1274 rdev
->wiphy
.retry_long
) ||
1275 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1276 rdev
->wiphy
.frag_threshold
) ||
1277 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1278 rdev
->wiphy
.rts_threshold
) ||
1279 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1280 rdev
->wiphy
.coverage_class
) ||
1281 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1282 rdev
->wiphy
.max_scan_ssids
) ||
1283 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1284 rdev
->wiphy
.max_sched_scan_ssids
) ||
1285 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1286 rdev
->wiphy
.max_scan_ie_len
) ||
1287 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1288 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1289 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1290 rdev
->wiphy
.max_match_sets
))
1291 goto nla_put_failure
;
1293 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1294 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1295 goto nla_put_failure
;
1296 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1297 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1298 goto nla_put_failure
;
1299 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1300 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1301 goto nla_put_failure
;
1302 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1303 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1304 goto nla_put_failure
;
1305 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1306 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1307 goto nla_put_failure
;
1308 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1309 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1310 goto nla_put_failure
;
1311 state
->split_start
++;
1315 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1316 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1317 rdev
->wiphy
.cipher_suites
))
1318 goto nla_put_failure
;
1320 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1321 rdev
->wiphy
.max_num_pmkids
))
1322 goto nla_put_failure
;
1324 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1325 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1326 goto nla_put_failure
;
1328 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1329 rdev
->wiphy
.available_antennas_tx
) ||
1330 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1331 rdev
->wiphy
.available_antennas_rx
))
1332 goto nla_put_failure
;
1334 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1335 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1336 rdev
->wiphy
.probe_resp_offload
))
1337 goto nla_put_failure
;
1339 if ((rdev
->wiphy
.available_antennas_tx
||
1340 rdev
->wiphy
.available_antennas_rx
) &&
1341 rdev
->ops
->get_antenna
) {
1342 u32 tx_ant
= 0, rx_ant
= 0;
1344 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1346 if (nla_put_u32(msg
,
1347 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1350 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1352 goto nla_put_failure
;
1356 state
->split_start
++;
1360 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1361 rdev
->wiphy
.interface_modes
))
1362 goto nla_put_failure
;
1363 state
->split_start
++;
1367 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1369 goto nla_put_failure
;
1371 for (band
= state
->band_start
;
1372 band
< IEEE80211_NUM_BANDS
; band
++) {
1373 struct ieee80211_supported_band
*sband
;
1375 sband
= rdev
->wiphy
.bands
[band
];
1380 nl_band
= nla_nest_start(msg
, band
);
1382 goto nla_put_failure
;
1384 switch (state
->chan_start
) {
1386 if (nl80211_send_band_rateinfo(msg
, sband
))
1387 goto nla_put_failure
;
1388 state
->chan_start
++;
1392 /* add frequencies */
1393 nl_freqs
= nla_nest_start(
1394 msg
, NL80211_BAND_ATTR_FREQS
);
1396 goto nla_put_failure
;
1398 for (i
= state
->chan_start
- 1;
1399 i
< sband
->n_channels
;
1401 nl_freq
= nla_nest_start(msg
, i
);
1403 goto nla_put_failure
;
1405 chan
= &sband
->channels
[i
];
1407 if (nl80211_msg_put_channel(
1410 goto nla_put_failure
;
1412 nla_nest_end(msg
, nl_freq
);
1416 if (i
< sband
->n_channels
)
1417 state
->chan_start
= i
+ 2;
1419 state
->chan_start
= 0;
1420 nla_nest_end(msg
, nl_freqs
);
1423 nla_nest_end(msg
, nl_band
);
1426 /* start again here */
1427 if (state
->chan_start
)
1432 nla_nest_end(msg
, nl_bands
);
1434 if (band
< IEEE80211_NUM_BANDS
)
1435 state
->band_start
= band
+ 1;
1437 state
->band_start
= 0;
1439 /* if bands & channels are done, continue outside */
1440 if (state
->band_start
== 0 && state
->chan_start
== 0)
1441 state
->split_start
++;
1445 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1447 goto nla_put_failure
;
1450 #define CMD(op, n) \
1452 if (rdev->ops->op) { \
1454 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1455 goto nla_put_failure; \
1459 CMD(add_virtual_intf
, NEW_INTERFACE
);
1460 CMD(change_virtual_intf
, SET_INTERFACE
);
1461 CMD(add_key
, NEW_KEY
);
1462 CMD(start_ap
, START_AP
);
1463 CMD(add_station
, NEW_STATION
);
1464 CMD(add_mpath
, NEW_MPATH
);
1465 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1466 CMD(change_bss
, SET_BSS
);
1467 CMD(auth
, AUTHENTICATE
);
1468 CMD(assoc
, ASSOCIATE
);
1469 CMD(deauth
, DEAUTHENTICATE
);
1470 CMD(disassoc
, DISASSOCIATE
);
1471 CMD(join_ibss
, JOIN_IBSS
);
1472 CMD(join_mesh
, JOIN_MESH
);
1473 CMD(set_pmksa
, SET_PMKSA
);
1474 CMD(del_pmksa
, DEL_PMKSA
);
1475 CMD(flush_pmksa
, FLUSH_PMKSA
);
1476 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1477 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1478 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1479 CMD(mgmt_tx
, FRAME
);
1480 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1481 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1483 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1484 goto nla_put_failure
;
1486 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1487 rdev
->ops
->join_mesh
) {
1489 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1490 goto nla_put_failure
;
1492 CMD(set_wds_peer
, SET_WDS_PEER
);
1493 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1494 CMD(tdls_mgmt
, TDLS_MGMT
);
1495 CMD(tdls_oper
, TDLS_OPER
);
1497 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1498 CMD(sched_scan_start
, START_SCHED_SCAN
);
1499 CMD(probe_client
, PROBE_CLIENT
);
1500 CMD(set_noack_map
, SET_NOACK_MAP
);
1501 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1503 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1504 goto nla_put_failure
;
1506 CMD(start_p2p_device
, START_P2P_DEVICE
);
1507 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1508 #ifdef CONFIG_NL80211_TESTMODE
1509 CMD(testmode_cmd
, TESTMODE
);
1512 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1513 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1514 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1515 CMD(channel_switch
, CHANNEL_SWITCH
);
1516 CMD(set_qos_map
, SET_QOS_MAP
);
1517 if (rdev
->wiphy
.flags
&
1518 WIPHY_FLAG_SUPPORTS_WMM_ADMISSION
)
1519 CMD(add_tx_ts
, ADD_TX_TS
);
1521 /* add into the if now */
1524 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1526 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1527 goto nla_put_failure
;
1530 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1532 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1533 goto nla_put_failure
;
1536 nla_nest_end(msg
, nl_cmds
);
1537 state
->split_start
++;
1541 if (rdev
->ops
->remain_on_channel
&&
1542 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1544 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1545 rdev
->wiphy
.max_remain_on_channel_duration
))
1546 goto nla_put_failure
;
1548 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1549 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1550 goto nla_put_failure
;
1552 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1553 goto nla_put_failure
;
1554 state
->split_start
++;
1559 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1560 goto nla_put_failure
;
1561 state
->split_start
++;
1565 state
->split_start
++;
1568 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1569 rdev
->wiphy
.software_iftypes
))
1570 goto nla_put_failure
;
1572 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1574 goto nla_put_failure
;
1576 state
->split_start
++;
1580 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1581 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1582 rdev
->wiphy
.ap_sme_capa
))
1583 goto nla_put_failure
;
1585 features
= rdev
->wiphy
.features
;
1587 * We can only add the per-channel limit information if the
1588 * dump is split, otherwise it makes it too big. Therefore
1589 * only advertise it in that case.
1592 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1593 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1594 goto nla_put_failure
;
1596 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1597 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1598 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1599 rdev
->wiphy
.ht_capa_mod_mask
))
1600 goto nla_put_failure
;
1602 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1603 rdev
->wiphy
.max_acl_mac_addrs
&&
1604 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1605 rdev
->wiphy
.max_acl_mac_addrs
))
1606 goto nla_put_failure
;
1609 * Any information below this point is only available to
1610 * applications that can deal with it being split. This
1611 * helps ensure that newly added capabilities don't break
1612 * older tools by overrunning their buffers.
1614 * We still increment split_start so that in the split
1615 * case we'll continue with more data in the next round,
1616 * but break unconditionally so unsplit data stops here.
1618 state
->split_start
++;
1621 if (rdev
->wiphy
.extended_capabilities
&&
1622 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1623 rdev
->wiphy
.extended_capabilities_len
,
1624 rdev
->wiphy
.extended_capabilities
) ||
1625 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1626 rdev
->wiphy
.extended_capabilities_len
,
1627 rdev
->wiphy
.extended_capabilities_mask
)))
1628 goto nla_put_failure
;
1630 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1631 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1632 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1633 rdev
->wiphy
.vht_capa_mod_mask
))
1634 goto nla_put_failure
;
1636 state
->split_start
++;
1639 if (nl80211_send_coalesce(msg
, rdev
))
1640 goto nla_put_failure
;
1642 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1643 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1644 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1645 goto nla_put_failure
;
1647 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1648 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1649 rdev
->wiphy
.max_ap_assoc_sta
))
1650 goto nla_put_failure
;
1652 state
->split_start
++;
1655 if (rdev
->wiphy
.n_vendor_commands
) {
1656 const struct nl80211_vendor_cmd_info
*info
;
1657 struct nlattr
*nested
;
1659 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1661 goto nla_put_failure
;
1663 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1664 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1665 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1666 goto nla_put_failure
;
1668 nla_nest_end(msg
, nested
);
1671 if (rdev
->wiphy
.n_vendor_events
) {
1672 const struct nl80211_vendor_cmd_info
*info
;
1673 struct nlattr
*nested
;
1675 nested
= nla_nest_start(msg
,
1676 NL80211_ATTR_VENDOR_EVENTS
);
1678 goto nla_put_failure
;
1680 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1681 info
= &rdev
->wiphy
.vendor_events
[i
];
1682 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1683 goto nla_put_failure
;
1685 nla_nest_end(msg
, nested
);
1687 state
->split_start
++;
1690 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1691 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1692 rdev
->wiphy
.max_num_csa_counters
))
1693 goto nla_put_failure
;
1696 state
->split_start
= 0;
1700 return genlmsg_end(msg
, hdr
);
1703 genlmsg_cancel(msg
, hdr
);
1707 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1708 struct netlink_callback
*cb
,
1709 struct nl80211_dump_wiphy_state
*state
)
1711 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1712 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1713 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1714 /* ignore parse errors for backward compatibility */
1718 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1719 if (tb
[NL80211_ATTR_WIPHY
])
1720 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1721 if (tb
[NL80211_ATTR_WDEV
])
1722 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1723 if (tb
[NL80211_ATTR_IFINDEX
]) {
1724 struct net_device
*netdev
;
1725 struct cfg80211_registered_device
*rdev
;
1726 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1728 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1731 if (netdev
->ieee80211_ptr
) {
1732 rdev
= wiphy_to_rdev(
1733 netdev
->ieee80211_ptr
->wiphy
);
1734 state
->filter_wiphy
= rdev
->wiphy_idx
;
1741 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1744 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1745 struct cfg80211_registered_device
*rdev
;
1749 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1754 state
->filter_wiphy
= -1;
1755 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1761 cb
->args
[0] = (long)state
;
1764 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1765 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1767 if (++idx
<= state
->start
)
1769 if (state
->filter_wiphy
!= -1 &&
1770 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1772 /* attempt to fit multiple wiphy data chunks into the skb */
1774 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1776 NETLINK_CB(cb
->skb
).portid
,
1778 NLM_F_MULTI
, state
);
1781 * If sending the wiphy data didn't fit (ENOBUFS
1782 * or EMSGSIZE returned), this SKB is still
1783 * empty (so it's not too big because another
1784 * wiphy dataset is already in the skb) and
1785 * we've not tried to adjust the dump allocation
1786 * yet ... then adjust the alloc size to be
1787 * bigger, and return 1 but with the empty skb.
1788 * This results in an empty message being RX'ed
1789 * in userspace, but that is ignored.
1791 * We can then retry with the larger buffer.
1793 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1794 !skb
->len
&& !state
->split
&&
1795 cb
->min_dump_alloc
< 4096) {
1796 cb
->min_dump_alloc
= 4096;
1797 state
->split_start
= 0;
1804 } while (state
->split_start
> 0);
1814 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1816 kfree((void *)cb
->args
[0]);
1820 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1822 struct sk_buff
*msg
;
1823 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1824 struct nl80211_dump_wiphy_state state
= {};
1826 msg
= nlmsg_new(4096, GFP_KERNEL
);
1830 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1831 info
->snd_portid
, info
->snd_seq
, 0,
1837 return genlmsg_reply(msg
, info
);
1840 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1841 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1842 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1843 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1844 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1845 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1848 static int parse_txq_params(struct nlattr
*tb
[],
1849 struct ieee80211_txq_params
*txq_params
)
1851 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1852 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1853 !tb
[NL80211_TXQ_ATTR_AIFS
])
1856 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1857 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1858 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1859 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1860 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1862 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1868 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1871 * You can only set the channel explicitly for WDS interfaces,
1872 * all others have their channel managed via their respective
1873 * "establish a connection" command (connect, join, ...)
1875 * For AP/GO and mesh mode, the channel can be set with the
1876 * channel userspace API, but is only stored and passed to the
1877 * low-level driver when the AP starts or the mesh is joined.
1878 * This is for backward compatibility, userspace can also give
1879 * the channel in the start-ap or join-mesh commands instead.
1881 * Monitors are special as they are normally slaved to
1882 * whatever else is going on, so they have their own special
1883 * operation to set the monitor channel if possible.
1886 wdev
->iftype
== NL80211_IFTYPE_AP
||
1887 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1888 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1889 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1892 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1893 struct genl_info
*info
,
1894 struct cfg80211_chan_def
*chandef
)
1898 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1901 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1903 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1904 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1905 chandef
->center_freq1
= control_freq
;
1906 chandef
->center_freq2
= 0;
1908 /* Primary channel not allowed */
1909 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1912 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1913 enum nl80211_channel_type chantype
;
1915 chantype
= nla_get_u32(
1916 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1919 case NL80211_CHAN_NO_HT
:
1920 case NL80211_CHAN_HT20
:
1921 case NL80211_CHAN_HT40PLUS
:
1922 case NL80211_CHAN_HT40MINUS
:
1923 cfg80211_chandef_create(chandef
, chandef
->chan
,
1929 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1931 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1932 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1933 chandef
->center_freq1
=
1935 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1936 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1937 chandef
->center_freq2
=
1939 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1942 if (!cfg80211_chandef_valid(chandef
))
1945 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1946 IEEE80211_CHAN_DISABLED
))
1949 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1950 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1951 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1957 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1958 struct net_device
*dev
,
1959 struct genl_info
*info
)
1961 struct cfg80211_chan_def chandef
;
1963 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1964 struct wireless_dev
*wdev
= NULL
;
1967 wdev
= dev
->ieee80211_ptr
;
1968 if (!nl80211_can_set_dev_channel(wdev
))
1971 iftype
= wdev
->iftype
;
1973 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1978 case NL80211_IFTYPE_AP
:
1979 case NL80211_IFTYPE_P2P_GO
:
1980 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, iftype
)) {
1984 if (wdev
->beacon_interval
) {
1985 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
1986 !(rdev
->wiphy
.features
&
1987 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
1992 /* Only allow dynamic channel width changes */
1993 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
1997 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2001 wdev
->preset_chandef
= chandef
;
2004 case NL80211_IFTYPE_MESH_POINT
:
2005 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2007 case NL80211_IFTYPE_MONITOR
:
2008 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2017 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2019 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2020 struct net_device
*netdev
= info
->user_ptr
[1];
2022 return __nl80211_set_channel(rdev
, netdev
, info
);
2025 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2027 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2028 struct net_device
*dev
= info
->user_ptr
[1];
2029 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2032 if (!info
->attrs
[NL80211_ATTR_MAC
])
2035 if (netif_running(dev
))
2038 if (!rdev
->ops
->set_wds_peer
)
2041 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2044 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2045 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2049 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2051 struct cfg80211_registered_device
*rdev
;
2052 struct net_device
*netdev
= NULL
;
2053 struct wireless_dev
*wdev
;
2054 int result
= 0, rem_txq_params
= 0;
2055 struct nlattr
*nl_txq_params
;
2057 u8 retry_short
= 0, retry_long
= 0;
2058 u32 frag_threshold
= 0, rts_threshold
= 0;
2059 u8 coverage_class
= 0;
2064 * Try to find the wiphy and netdev. Normally this
2065 * function shouldn't need the netdev, but this is
2066 * done for backward compatibility -- previously
2067 * setting the channel was done per wiphy, but now
2068 * it is per netdev. Previous userland like hostapd
2069 * also passed a netdev to set_wiphy, so that it is
2070 * possible to let that go to the right netdev!
2073 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2074 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2076 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2077 if (netdev
&& netdev
->ieee80211_ptr
)
2078 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2084 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2087 return PTR_ERR(rdev
);
2092 wdev
= netdev
->ieee80211_ptr
;
2095 * end workaround code, by now the rdev is available
2096 * and locked, and wdev may or may not be NULL.
2099 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2100 result
= cfg80211_dev_rename(
2101 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2106 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2107 struct ieee80211_txq_params txq_params
;
2108 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2110 if (!rdev
->ops
->set_txq_params
)
2116 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2117 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2120 if (!netif_running(netdev
))
2123 nla_for_each_nested(nl_txq_params
,
2124 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2126 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2127 nla_data(nl_txq_params
),
2128 nla_len(nl_txq_params
),
2132 result
= parse_txq_params(tb
, &txq_params
);
2136 result
= rdev_set_txq_params(rdev
, netdev
,
2143 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2144 result
= __nl80211_set_channel(
2146 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2152 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2153 struct wireless_dev
*txp_wdev
= wdev
;
2154 enum nl80211_tx_power_setting type
;
2157 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2160 if (!rdev
->ops
->set_tx_power
)
2163 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2164 type
= nla_get_u32(info
->attrs
[idx
]);
2166 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2167 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2170 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2171 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2172 mbm
= nla_get_u32(info
->attrs
[idx
]);
2175 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2180 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2181 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2183 if ((!rdev
->wiphy
.available_antennas_tx
&&
2184 !rdev
->wiphy
.available_antennas_rx
) ||
2185 !rdev
->ops
->set_antenna
)
2188 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2189 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2191 /* reject antenna configurations which don't match the
2192 * available antenna masks, except for the "all" mask */
2193 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2194 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2197 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2198 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2200 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2207 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2208 retry_short
= nla_get_u8(
2209 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2210 if (retry_short
== 0)
2213 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2216 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2217 retry_long
= nla_get_u8(
2218 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2219 if (retry_long
== 0)
2222 changed
|= WIPHY_PARAM_RETRY_LONG
;
2225 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2226 frag_threshold
= nla_get_u32(
2227 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2228 if (frag_threshold
< 256)
2231 if (frag_threshold
!= (u32
) -1) {
2233 * Fragments (apart from the last one) are required to
2234 * have even length. Make the fragmentation code
2235 * simpler by stripping LSB should someone try to use
2236 * odd threshold value.
2238 frag_threshold
&= ~0x1;
2240 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2243 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2244 rts_threshold
= nla_get_u32(
2245 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2246 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2249 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2250 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2253 coverage_class
= nla_get_u8(
2254 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2255 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2258 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2259 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2262 changed
|= WIPHY_PARAM_DYN_ACK
;
2266 u8 old_retry_short
, old_retry_long
;
2267 u32 old_frag_threshold
, old_rts_threshold
;
2268 u8 old_coverage_class
;
2270 if (!rdev
->ops
->set_wiphy_params
)
2273 old_retry_short
= rdev
->wiphy
.retry_short
;
2274 old_retry_long
= rdev
->wiphy
.retry_long
;
2275 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2276 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2277 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2279 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2280 rdev
->wiphy
.retry_short
= retry_short
;
2281 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2282 rdev
->wiphy
.retry_long
= retry_long
;
2283 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2284 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2285 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2286 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2287 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2288 rdev
->wiphy
.coverage_class
= coverage_class
;
2290 result
= rdev_set_wiphy_params(rdev
, changed
);
2292 rdev
->wiphy
.retry_short
= old_retry_short
;
2293 rdev
->wiphy
.retry_long
= old_retry_long
;
2294 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2295 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2296 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2302 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2304 return (u64
)wdev
->identifier
|
2305 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2308 static int nl80211_send_chandef(struct sk_buff
*msg
,
2309 const struct cfg80211_chan_def
*chandef
)
2311 WARN_ON(!cfg80211_chandef_valid(chandef
));
2313 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2314 chandef
->chan
->center_freq
))
2316 switch (chandef
->width
) {
2317 case NL80211_CHAN_WIDTH_20_NOHT
:
2318 case NL80211_CHAN_WIDTH_20
:
2319 case NL80211_CHAN_WIDTH_40
:
2320 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2321 cfg80211_get_chandef_type(chandef
)))
2327 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2329 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2331 if (chandef
->center_freq2
&&
2332 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2337 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2338 struct cfg80211_registered_device
*rdev
,
2339 struct wireless_dev
*wdev
)
2341 struct net_device
*dev
= wdev
->netdev
;
2344 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2349 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2350 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2351 goto nla_put_failure
;
2353 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2354 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2355 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2356 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2357 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2358 rdev
->devlist_generation
^
2359 (cfg80211_rdev_list_generation
<< 2)))
2360 goto nla_put_failure
;
2362 if (rdev
->ops
->get_channel
) {
2364 struct cfg80211_chan_def chandef
;
2366 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2368 if (nl80211_send_chandef(msg
, &chandef
))
2369 goto nla_put_failure
;
2373 if (wdev
->ssid_len
) {
2374 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2375 goto nla_put_failure
;
2378 return genlmsg_end(msg
, hdr
);
2381 genlmsg_cancel(msg
, hdr
);
2385 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2389 int wp_start
= cb
->args
[0];
2390 int if_start
= cb
->args
[1];
2391 struct cfg80211_registered_device
*rdev
;
2392 struct wireless_dev
*wdev
;
2395 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2396 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2398 if (wp_idx
< wp_start
) {
2404 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2405 if (if_idx
< if_start
) {
2409 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2410 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2422 cb
->args
[0] = wp_idx
;
2423 cb
->args
[1] = if_idx
;
2428 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2430 struct sk_buff
*msg
;
2431 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2432 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2434 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2438 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2444 return genlmsg_reply(msg
, info
);
2447 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2448 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2449 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2450 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2451 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2452 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2453 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2456 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2458 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2466 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2467 nla
, mntr_flags_policy
))
2470 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2472 *mntrflags
|= (1<<flag
);
2477 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2478 struct net_device
*netdev
, u8 use_4addr
,
2479 enum nl80211_iftype iftype
)
2482 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2488 case NL80211_IFTYPE_AP_VLAN
:
2489 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2492 case NL80211_IFTYPE_STATION
:
2493 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2503 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2505 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2506 struct vif_params params
;
2508 enum nl80211_iftype otype
, ntype
;
2509 struct net_device
*dev
= info
->user_ptr
[1];
2510 u32 _flags
, *flags
= NULL
;
2511 bool change
= false;
2513 memset(¶ms
, 0, sizeof(params
));
2515 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2517 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2518 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2521 if (ntype
> NL80211_IFTYPE_MAX
)
2525 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2526 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2528 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2530 if (netif_running(dev
))
2534 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2535 IEEE80211_MAX_MESH_ID_LEN
);
2536 wdev
->mesh_id_up_len
=
2537 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2538 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2539 wdev
->mesh_id_up_len
);
2543 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2544 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2546 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2550 params
.use_4addr
= -1;
2553 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2554 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2556 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2565 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2566 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2570 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2574 if (!err
&& params
.use_4addr
!= -1)
2575 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2580 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2582 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2583 struct vif_params params
;
2584 struct wireless_dev
*wdev
;
2585 struct sk_buff
*msg
;
2587 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2590 /* to avoid failing a new interface creation due to pending removal */
2591 cfg80211_destroy_ifaces(rdev
);
2593 memset(¶ms
, 0, sizeof(params
));
2595 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2598 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2599 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2600 if (type
> NL80211_IFTYPE_MAX
)
2604 if (!rdev
->ops
->add_virtual_intf
||
2605 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2608 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2609 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2611 if (!is_valid_ether_addr(params
.macaddr
))
2612 return -EADDRNOTAVAIL
;
2615 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2616 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2617 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2622 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2626 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2627 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2630 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2631 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2634 wdev
= rdev_add_virtual_intf(rdev
,
2635 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2636 type
, err
? NULL
: &flags
, ¶ms
);
2639 return PTR_ERR(wdev
);
2642 if (info
->attrs
[NL80211_ATTR_IFACE_SOCKET_OWNER
])
2643 wdev
->owner_nlportid
= info
->snd_portid
;
2646 case NL80211_IFTYPE_MESH_POINT
:
2647 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2650 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2651 IEEE80211_MAX_MESH_ID_LEN
);
2652 wdev
->mesh_id_up_len
=
2653 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2654 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2655 wdev
->mesh_id_up_len
);
2658 case NL80211_IFTYPE_P2P_DEVICE
:
2660 * P2P Device doesn't have a netdev, so doesn't go
2661 * through the netdev notifier and must be added here
2663 mutex_init(&wdev
->mtx
);
2664 INIT_LIST_HEAD(&wdev
->event_list
);
2665 spin_lock_init(&wdev
->event_lock
);
2666 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2667 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2669 wdev
->identifier
= ++rdev
->wdev_id
;
2670 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2671 rdev
->devlist_generation
++;
2677 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2683 return genlmsg_reply(msg
, info
);
2686 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2688 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2689 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2691 if (!rdev
->ops
->del_virtual_intf
)
2695 * If we remove a wireless device without a netdev then clear
2696 * user_ptr[1] so that nl80211_post_doit won't dereference it
2697 * to check if it needs to do dev_put(). Otherwise it crashes
2698 * since the wdev has been freed, unlike with a netdev where
2699 * we need the dev_put() for the netdev to really be freed.
2702 info
->user_ptr
[1] = NULL
;
2704 return rdev_del_virtual_intf(rdev
, wdev
);
2707 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2709 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2710 struct net_device
*dev
= info
->user_ptr
[1];
2713 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2716 if (!rdev
->ops
->set_noack_map
)
2719 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2721 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2724 struct get_key_cookie
{
2725 struct sk_buff
*msg
;
2730 static void get_key_callback(void *c
, struct key_params
*params
)
2733 struct get_key_cookie
*cookie
= c
;
2736 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2737 params
->key_len
, params
->key
)) ||
2739 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2740 params
->seq_len
, params
->seq
)) ||
2742 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2744 goto nla_put_failure
;
2746 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2748 goto nla_put_failure
;
2751 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2752 params
->key_len
, params
->key
)) ||
2754 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2755 params
->seq_len
, params
->seq
)) ||
2757 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2759 goto nla_put_failure
;
2761 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2762 goto nla_put_failure
;
2764 nla_nest_end(cookie
->msg
, key
);
2771 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2773 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2775 struct net_device
*dev
= info
->user_ptr
[1];
2777 const u8
*mac_addr
= NULL
;
2779 struct get_key_cookie cookie
= {
2783 struct sk_buff
*msg
;
2785 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2786 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2791 if (info
->attrs
[NL80211_ATTR_MAC
])
2792 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2794 pairwise
= !!mac_addr
;
2795 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2796 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2797 if (kt
>= NUM_NL80211_KEYTYPES
)
2799 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2800 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2802 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2805 if (!rdev
->ops
->get_key
)
2808 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2812 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2813 NL80211_CMD_NEW_KEY
);
2815 goto nla_put_failure
;
2818 cookie
.idx
= key_idx
;
2820 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2821 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2822 goto nla_put_failure
;
2824 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2825 goto nla_put_failure
;
2827 if (pairwise
&& mac_addr
&&
2828 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2831 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2838 goto nla_put_failure
;
2840 genlmsg_end(msg
, hdr
);
2841 return genlmsg_reply(msg
, info
);
2850 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2852 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2853 struct key_parse key
;
2855 struct net_device
*dev
= info
->user_ptr
[1];
2857 err
= nl80211_parse_key(info
, &key
);
2864 /* only support setting default key */
2865 if (!key
.def
&& !key
.defmgmt
)
2868 wdev_lock(dev
->ieee80211_ptr
);
2871 if (!rdev
->ops
->set_default_key
) {
2876 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2880 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2881 key
.def_uni
, key
.def_multi
);
2886 #ifdef CONFIG_CFG80211_WEXT
2887 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2890 if (key
.def_uni
|| !key
.def_multi
) {
2895 if (!rdev
->ops
->set_default_mgmt_key
) {
2900 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2904 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2908 #ifdef CONFIG_CFG80211_WEXT
2909 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2914 wdev_unlock(dev
->ieee80211_ptr
);
2919 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2921 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2923 struct net_device
*dev
= info
->user_ptr
[1];
2924 struct key_parse key
;
2925 const u8
*mac_addr
= NULL
;
2927 err
= nl80211_parse_key(info
, &key
);
2934 if (info
->attrs
[NL80211_ATTR_MAC
])
2935 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2937 if (key
.type
== -1) {
2939 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2941 key
.type
= NL80211_KEYTYPE_GROUP
;
2945 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2946 key
.type
!= NL80211_KEYTYPE_GROUP
)
2949 if (!rdev
->ops
->add_key
)
2952 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2953 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2957 wdev_lock(dev
->ieee80211_ptr
);
2958 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2960 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2961 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2963 wdev_unlock(dev
->ieee80211_ptr
);
2968 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2970 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2972 struct net_device
*dev
= info
->user_ptr
[1];
2973 u8
*mac_addr
= NULL
;
2974 struct key_parse key
;
2976 err
= nl80211_parse_key(info
, &key
);
2980 if (info
->attrs
[NL80211_ATTR_MAC
])
2981 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2983 if (key
.type
== -1) {
2985 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2987 key
.type
= NL80211_KEYTYPE_GROUP
;
2991 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2992 key
.type
!= NL80211_KEYTYPE_GROUP
)
2995 if (!rdev
->ops
->del_key
)
2998 wdev_lock(dev
->ieee80211_ptr
);
2999 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3001 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
3002 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3006 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3007 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3010 #ifdef CONFIG_CFG80211_WEXT
3012 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3013 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3014 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3015 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3018 wdev_unlock(dev
->ieee80211_ptr
);
3023 /* This function returns an error or the number of nested attributes */
3024 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3026 struct nlattr
*attr
;
3027 int n_entries
= 0, tmp
;
3029 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3030 if (nla_len(attr
) != ETH_ALEN
)
3040 * This function parses ACL information and allocates memory for ACL data.
3041 * On successful return, the calling function is responsible to free the
3042 * ACL buffer returned by this function.
3044 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3045 struct genl_info
*info
)
3047 enum nl80211_acl_policy acl_policy
;
3048 struct nlattr
*attr
;
3049 struct cfg80211_acl_data
*acl
;
3050 int i
= 0, n_entries
, tmp
;
3052 if (!wiphy
->max_acl_mac_addrs
)
3053 return ERR_PTR(-EOPNOTSUPP
);
3055 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3056 return ERR_PTR(-EINVAL
);
3058 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3059 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3060 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3061 return ERR_PTR(-EINVAL
);
3063 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3064 return ERR_PTR(-EINVAL
);
3066 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3068 return ERR_PTR(n_entries
);
3070 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3071 return ERR_PTR(-ENOTSUPP
);
3073 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3076 return ERR_PTR(-ENOMEM
);
3078 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3079 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3083 acl
->n_acl_entries
= n_entries
;
3084 acl
->acl_policy
= acl_policy
;
3089 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3091 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3092 struct net_device
*dev
= info
->user_ptr
[1];
3093 struct cfg80211_acl_data
*acl
;
3096 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3097 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3100 if (!dev
->ieee80211_ptr
->beacon_interval
)
3103 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3105 return PTR_ERR(acl
);
3107 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3114 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3115 struct cfg80211_beacon_data
*bcn
)
3117 bool haveinfo
= false;
3119 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3120 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3121 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3122 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3125 memset(bcn
, 0, sizeof(*bcn
));
3127 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3128 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3129 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3135 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3136 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3137 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3144 if (attrs
[NL80211_ATTR_IE
]) {
3145 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3146 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3149 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3150 bcn
->proberesp_ies
=
3151 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3152 bcn
->proberesp_ies_len
=
3153 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3156 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3157 bcn
->assocresp_ies
=
3158 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3159 bcn
->assocresp_ies_len
=
3160 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3163 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3164 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3165 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3171 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3172 struct cfg80211_ap_settings
*params
)
3174 struct wireless_dev
*wdev
;
3177 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3178 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3179 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3182 if (!wdev
->preset_chandef
.chan
)
3185 params
->chandef
= wdev
->preset_chandef
;
3193 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3194 enum nl80211_auth_type auth_type
,
3195 enum nl80211_commands cmd
)
3197 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3201 case NL80211_CMD_AUTHENTICATE
:
3202 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3203 auth_type
== NL80211_AUTHTYPE_SAE
)
3206 case NL80211_CMD_CONNECT
:
3207 case NL80211_CMD_START_AP
:
3208 /* SAE not supported yet */
3209 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3217 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3219 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3220 struct net_device
*dev
= info
->user_ptr
[1];
3221 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3222 struct cfg80211_ap_settings params
;
3225 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3226 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3229 if (!rdev
->ops
->start_ap
)
3232 if (wdev
->beacon_interval
)
3235 memset(¶ms
, 0, sizeof(params
));
3237 /* these are required for START_AP */
3238 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3239 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3240 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3243 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3247 params
.beacon_interval
=
3248 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3249 params
.dtim_period
=
3250 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3252 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3257 * In theory, some of these attributes should be required here
3258 * but since they were not used when the command was originally
3259 * added, keep them optional for old user space programs to let
3260 * them continue to work with drivers that do not need the
3261 * additional information -- drivers must check!
3263 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3264 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3266 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3267 if (params
.ssid_len
== 0 ||
3268 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3272 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3273 params
.hidden_ssid
= nla_get_u32(
3274 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3275 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3276 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3277 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3281 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3283 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3284 params
.auth_type
= nla_get_u32(
3285 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3286 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3287 NL80211_CMD_START_AP
))
3290 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3292 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3293 NL80211_MAX_NR_CIPHER_SUITES
);
3297 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3298 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3300 params
.inactivity_timeout
= nla_get_u16(
3301 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3304 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3305 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3307 params
.p2p_ctwindow
=
3308 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3309 if (params
.p2p_ctwindow
> 127)
3311 if (params
.p2p_ctwindow
!= 0 &&
3312 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3316 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3319 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3321 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3324 params
.p2p_opp_ps
= tmp
;
3325 if (params
.p2p_opp_ps
!= 0 &&
3326 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3330 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3331 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3334 } else if (wdev
->preset_chandef
.chan
) {
3335 params
.chandef
= wdev
->preset_chandef
;
3336 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3339 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3343 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3344 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3345 if (IS_ERR(params
.acl
))
3346 return PTR_ERR(params
.acl
);
3349 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3351 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3352 switch (params
.smps_mode
) {
3353 case NL80211_SMPS_OFF
:
3355 case NL80211_SMPS_STATIC
:
3356 if (!(rdev
->wiphy
.features
&
3357 NL80211_FEATURE_STATIC_SMPS
))
3360 case NL80211_SMPS_DYNAMIC
:
3361 if (!(rdev
->wiphy
.features
&
3362 NL80211_FEATURE_DYNAMIC_SMPS
))
3369 params
.smps_mode
= NL80211_SMPS_OFF
;
3373 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3375 wdev
->preset_chandef
= params
.chandef
;
3376 wdev
->beacon_interval
= params
.beacon_interval
;
3377 wdev
->chandef
= params
.chandef
;
3378 wdev
->ssid_len
= params
.ssid_len
;
3379 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3388 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3390 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3391 struct net_device
*dev
= info
->user_ptr
[1];
3392 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3393 struct cfg80211_beacon_data params
;
3396 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3397 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3400 if (!rdev
->ops
->change_beacon
)
3403 if (!wdev
->beacon_interval
)
3406 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3411 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3417 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3419 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3420 struct net_device
*dev
= info
->user_ptr
[1];
3422 return cfg80211_stop_ap(rdev
, dev
, false);
3425 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3426 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3427 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3428 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3429 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3430 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3431 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3434 static int parse_station_flags(struct genl_info
*info
,
3435 enum nl80211_iftype iftype
,
3436 struct station_parameters
*params
)
3438 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3443 * Try parsing the new attribute first so userspace
3444 * can specify both for older kernels.
3446 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3448 struct nl80211_sta_flag_update
*sta_flags
;
3450 sta_flags
= nla_data(nla
);
3451 params
->sta_flags_mask
= sta_flags
->mask
;
3452 params
->sta_flags_set
= sta_flags
->set
;
3453 params
->sta_flags_set
&= params
->sta_flags_mask
;
3454 if ((params
->sta_flags_mask
|
3455 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3460 /* if present, parse the old attribute */
3462 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3466 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3467 nla
, sta_flags_policy
))
3471 * Only allow certain flags for interface types so that
3472 * other attributes are silently ignored. Remember that
3473 * this is backward compatibility code with old userspace
3474 * and shouldn't be hit in other cases anyway.
3477 case NL80211_IFTYPE_AP
:
3478 case NL80211_IFTYPE_AP_VLAN
:
3479 case NL80211_IFTYPE_P2P_GO
:
3480 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3481 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3482 BIT(NL80211_STA_FLAG_WME
) |
3483 BIT(NL80211_STA_FLAG_MFP
);
3485 case NL80211_IFTYPE_P2P_CLIENT
:
3486 case NL80211_IFTYPE_STATION
:
3487 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3488 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3490 case NL80211_IFTYPE_MESH_POINT
:
3491 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3492 BIT(NL80211_STA_FLAG_MFP
) |
3493 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3498 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3500 params
->sta_flags_set
|= (1<<flag
);
3502 /* no longer support new API additions in old API */
3503 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3511 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3514 struct nlattr
*rate
;
3518 rate
= nla_nest_start(msg
, attr
);
3522 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3523 bitrate
= cfg80211_calculate_bitrate(info
);
3524 /* report 16-bit bitrate only if we can */
3525 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3527 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3529 if (bitrate_compat
> 0 &&
3530 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3533 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3534 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3536 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3537 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3539 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3540 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3542 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3543 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3545 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3547 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3548 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3550 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3551 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3553 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3554 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3556 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3557 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3559 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3560 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3564 nla_nest_end(msg
, rate
);
3568 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3577 attr
= nla_nest_start(msg
, id
);
3581 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3582 if (!(mask
& BIT(i
)))
3585 if (nla_put_u8(msg
, i
, signal
[i
]))
3589 nla_nest_end(msg
, attr
);
3594 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3596 struct cfg80211_registered_device
*rdev
,
3597 struct net_device
*dev
,
3598 const u8
*mac_addr
, struct station_info
*sinfo
)
3601 struct nlattr
*sinfoattr
, *bss_param
;
3603 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3607 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3608 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3609 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3610 goto nla_put_failure
;
3612 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3614 goto nla_put_failure
;
3615 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3616 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3617 sinfo
->connected_time
))
3618 goto nla_put_failure
;
3619 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3620 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3621 sinfo
->inactive_time
))
3622 goto nla_put_failure
;
3623 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3624 STATION_INFO_RX_BYTES64
)) &&
3625 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3626 (u32
)sinfo
->rx_bytes
))
3627 goto nla_put_failure
;
3628 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3629 STATION_INFO_TX_BYTES64
)) &&
3630 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3631 (u32
)sinfo
->tx_bytes
))
3632 goto nla_put_failure
;
3633 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3634 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3636 goto nla_put_failure
;
3637 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3638 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3640 goto nla_put_failure
;
3641 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3642 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3643 goto nla_put_failure
;
3644 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3645 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3646 goto nla_put_failure
;
3647 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3648 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3649 sinfo
->plink_state
))
3650 goto nla_put_failure
;
3651 switch (rdev
->wiphy
.signal_type
) {
3652 case CFG80211_SIGNAL_TYPE_MBM
:
3653 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3654 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3656 goto nla_put_failure
;
3657 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3658 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3660 goto nla_put_failure
;
3665 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3666 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3667 sinfo
->chain_signal
,
3668 NL80211_STA_INFO_CHAIN_SIGNAL
))
3669 goto nla_put_failure
;
3671 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3672 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3673 sinfo
->chain_signal_avg
,
3674 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3675 goto nla_put_failure
;
3677 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3678 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3679 NL80211_STA_INFO_TX_BITRATE
))
3680 goto nla_put_failure
;
3682 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3683 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3684 NL80211_STA_INFO_RX_BITRATE
))
3685 goto nla_put_failure
;
3687 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3688 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3690 goto nla_put_failure
;
3691 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3692 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3694 goto nla_put_failure
;
3695 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3696 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3698 goto nla_put_failure
;
3699 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3700 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3702 goto nla_put_failure
;
3703 if ((sinfo
->filled
& STATION_INFO_EXPECTED_THROUGHPUT
) &&
3704 nla_put_u32(msg
, NL80211_STA_INFO_EXPECTED_THROUGHPUT
,
3705 sinfo
->expected_throughput
))
3706 goto nla_put_failure
;
3707 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3708 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3709 sinfo
->beacon_loss_count
))
3710 goto nla_put_failure
;
3711 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3712 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3714 goto nla_put_failure
;
3715 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3716 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3718 goto nla_put_failure
;
3719 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3720 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3722 goto nla_put_failure
;
3723 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3724 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3726 goto nla_put_failure
;
3728 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3729 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3730 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3731 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3732 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3733 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3734 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3735 sinfo
->bss_param
.dtim_period
) ||
3736 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3737 sinfo
->bss_param
.beacon_interval
))
3738 goto nla_put_failure
;
3740 nla_nest_end(msg
, bss_param
);
3742 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3743 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3744 sizeof(struct nl80211_sta_flag_update
),
3746 goto nla_put_failure
;
3747 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3748 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3750 goto nla_put_failure
;
3751 nla_nest_end(msg
, sinfoattr
);
3753 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3754 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3755 sinfo
->assoc_req_ies
))
3756 goto nla_put_failure
;
3758 return genlmsg_end(msg
, hdr
);
3761 genlmsg_cancel(msg
, hdr
);
3765 static int nl80211_dump_station(struct sk_buff
*skb
,
3766 struct netlink_callback
*cb
)
3768 struct station_info sinfo
;
3769 struct cfg80211_registered_device
*rdev
;
3770 struct wireless_dev
*wdev
;
3771 u8 mac_addr
[ETH_ALEN
];
3772 int sta_idx
= cb
->args
[2];
3775 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3779 if (!wdev
->netdev
) {
3784 if (!rdev
->ops
->dump_station
) {
3790 memset(&sinfo
, 0, sizeof(sinfo
));
3791 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3798 if (nl80211_send_station(skb
,
3799 NETLINK_CB(cb
->skb
).portid
,
3800 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3801 rdev
, wdev
->netdev
, mac_addr
,
3810 cb
->args
[2] = sta_idx
;
3813 nl80211_finish_wdev_dump(rdev
);
3818 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3820 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3821 struct net_device
*dev
= info
->user_ptr
[1];
3822 struct station_info sinfo
;
3823 struct sk_buff
*msg
;
3824 u8
*mac_addr
= NULL
;
3827 memset(&sinfo
, 0, sizeof(sinfo
));
3829 if (!info
->attrs
[NL80211_ATTR_MAC
])
3832 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3834 if (!rdev
->ops
->get_station
)
3837 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3841 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3845 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3846 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3851 return genlmsg_reply(msg
, info
);
3854 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3855 struct station_parameters
*params
,
3856 enum cfg80211_station_type statype
)
3858 if (params
->listen_interval
!= -1)
3861 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3864 /* When you run into this, adjust the code below for the new flag */
3865 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3868 case CFG80211_STA_MESH_PEER_KERNEL
:
3869 case CFG80211_STA_MESH_PEER_USER
:
3871 * No ignoring the TDLS flag here -- the userspace mesh
3872 * code doesn't have the bug of including TDLS in the
3875 if (params
->sta_flags_mask
&
3876 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3877 BIT(NL80211_STA_FLAG_MFP
) |
3878 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3881 case CFG80211_STA_TDLS_PEER_SETUP
:
3882 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3883 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3885 /* ignore since it can't change */
3886 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3889 /* disallow mesh-specific things */
3890 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3892 if (params
->local_pm
)
3894 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3898 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3899 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3900 /* TDLS can't be set, ... */
3901 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3904 * ... but don't bother the driver with it. This works around
3905 * a hostapd/wpa_supplicant issue -- it always includes the
3906 * TLDS_PEER flag in the mask even for AP mode.
3908 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3911 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3912 /* reject other things that can't change */
3913 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3915 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3917 if (params
->supported_rates
)
3919 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3923 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3929 case CFG80211_STA_AP_MLME_CLIENT
:
3930 /* Use this only for authorizing/unauthorizing a station */
3931 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3934 case CFG80211_STA_AP_CLIENT
:
3935 /* accept only the listed bits */
3936 if (params
->sta_flags_mask
&
3937 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3938 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3939 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3940 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3941 BIT(NL80211_STA_FLAG_WME
) |
3942 BIT(NL80211_STA_FLAG_MFP
)))
3945 /* but authenticated/associated only if driver handles it */
3946 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3947 params
->sta_flags_mask
&
3948 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3949 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3952 case CFG80211_STA_IBSS
:
3953 case CFG80211_STA_AP_STA
:
3954 /* reject any changes other than AUTHORIZED */
3955 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3958 case CFG80211_STA_TDLS_PEER_SETUP
:
3959 /* reject any changes other than AUTHORIZED or WME */
3960 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3961 BIT(NL80211_STA_FLAG_WME
)))
3963 /* force (at least) rates when authorizing */
3964 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3965 !params
->supported_rates
)
3968 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3969 /* reject any changes */
3971 case CFG80211_STA_MESH_PEER_KERNEL
:
3972 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3975 case CFG80211_STA_MESH_PEER_USER
:
3976 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3983 EXPORT_SYMBOL(cfg80211_check_station_change
);
3986 * Get vlan interface making sure it is running and on the right wiphy.
3988 static struct net_device
*get_vlan(struct genl_info
*info
,
3989 struct cfg80211_registered_device
*rdev
)
3991 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3992 struct net_device
*v
;
3998 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4000 return ERR_PTR(-ENODEV
);
4002 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4007 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4008 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4009 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4014 if (!netif_running(v
)) {
4022 return ERR_PTR(ret
);
4025 static const struct nla_policy
4026 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4027 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4028 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4031 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4032 struct station_parameters
*params
)
4034 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4038 /* parse WME attributes if present */
4039 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4042 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4043 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4044 nl80211_sta_wme_policy
);
4048 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4049 params
->uapsd_queues
= nla_get_u8(
4050 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4051 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4054 if (tb
[NL80211_STA_WME_MAX_SP
])
4055 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4057 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4060 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4065 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4066 struct station_parameters
*params
)
4068 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4069 params
->supported_channels
=
4070 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4071 params
->supported_channels_len
=
4072 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4074 * Need to include at least one (first channel, number of
4075 * channels) tuple for each subband, and must have proper
4076 * tuples for the rest of the data as well.
4078 if (params
->supported_channels_len
< 2)
4080 if (params
->supported_channels_len
% 2)
4084 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4085 params
->supported_oper_classes
=
4086 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4087 params
->supported_oper_classes_len
=
4088 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4090 * The value of the Length field of the Supported Operating
4091 * Classes element is between 2 and 253.
4093 if (params
->supported_oper_classes_len
< 2 ||
4094 params
->supported_oper_classes_len
> 253)
4100 static int nl80211_set_station_tdls(struct genl_info
*info
,
4101 struct station_parameters
*params
)
4104 /* Dummy STA entry gets updated once the peer capabilities are known */
4105 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4106 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4107 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4109 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4110 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4112 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4114 err
= nl80211_parse_sta_channel_info(info
, params
);
4118 return nl80211_parse_sta_wme(info
, params
);
4121 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4123 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4124 struct net_device
*dev
= info
->user_ptr
[1];
4125 struct station_parameters params
;
4129 memset(¶ms
, 0, sizeof(params
));
4131 params
.listen_interval
= -1;
4133 if (!rdev
->ops
->change_station
)
4136 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4139 if (!info
->attrs
[NL80211_ATTR_MAC
])
4142 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4144 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4145 params
.supported_rates
=
4146 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4147 params
.supported_rates_len
=
4148 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4151 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4153 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4154 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4157 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4159 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4160 params
.ext_capab_len
=
4161 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4164 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4167 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4170 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4171 params
.plink_action
=
4172 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4173 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4177 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4178 params
.plink_state
=
4179 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4180 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4182 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4185 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4186 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4187 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4189 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4190 pm
> NL80211_MESH_POWER_MAX
)
4193 params
.local_pm
= pm
;
4196 /* Include parameters for TDLS peer (will check later) */
4197 err
= nl80211_set_station_tdls(info
, ¶ms
);
4201 params
.vlan
= get_vlan(info
, rdev
);
4202 if (IS_ERR(params
.vlan
))
4203 return PTR_ERR(params
.vlan
);
4205 switch (dev
->ieee80211_ptr
->iftype
) {
4206 case NL80211_IFTYPE_AP
:
4207 case NL80211_IFTYPE_AP_VLAN
:
4208 case NL80211_IFTYPE_P2P_GO
:
4209 case NL80211_IFTYPE_P2P_CLIENT
:
4210 case NL80211_IFTYPE_STATION
:
4211 case NL80211_IFTYPE_ADHOC
:
4212 case NL80211_IFTYPE_MESH_POINT
:
4219 /* driver will call cfg80211_check_station_change() */
4220 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4224 dev_put(params
.vlan
);
4229 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4231 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4233 struct net_device
*dev
= info
->user_ptr
[1];
4234 struct station_parameters params
;
4235 u8
*mac_addr
= NULL
;
4237 memset(¶ms
, 0, sizeof(params
));
4239 if (!rdev
->ops
->add_station
)
4242 if (!info
->attrs
[NL80211_ATTR_MAC
])
4245 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4248 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4251 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4252 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4255 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4256 params
.supported_rates
=
4257 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4258 params
.supported_rates_len
=
4259 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4260 params
.listen_interval
=
4261 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4263 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4264 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4266 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4267 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4270 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4272 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4273 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4276 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4278 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4279 params
.ext_capab_len
=
4280 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4283 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4285 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4287 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4289 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4291 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4292 params
.opmode_notif_used
= true;
4293 params
.opmode_notif
=
4294 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4297 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4298 params
.plink_action
=
4299 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4300 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4304 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4308 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4312 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4315 /* When you run into this, adjust the code below for the new flag */
4316 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4318 switch (dev
->ieee80211_ptr
->iftype
) {
4319 case NL80211_IFTYPE_AP
:
4320 case NL80211_IFTYPE_AP_VLAN
:
4321 case NL80211_IFTYPE_P2P_GO
:
4322 /* ignore WME attributes if iface/sta is not capable */
4323 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4324 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4325 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4327 /* TDLS peers cannot be added */
4328 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4329 info
->attrs
[NL80211_ATTR_PEER_AID
])
4331 /* but don't bother the driver with it */
4332 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4334 /* allow authenticated/associated only if driver handles it */
4335 if (!(rdev
->wiphy
.features
&
4336 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4337 params
.sta_flags_mask
&
4338 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4339 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4342 /* must be last in here for error handling */
4343 params
.vlan
= get_vlan(info
, rdev
);
4344 if (IS_ERR(params
.vlan
))
4345 return PTR_ERR(params
.vlan
);
4347 case NL80211_IFTYPE_MESH_POINT
:
4348 /* ignore uAPSD data */
4349 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4351 /* associated is disallowed */
4352 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4354 /* TDLS peers cannot be added */
4355 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4356 info
->attrs
[NL80211_ATTR_PEER_AID
])
4359 case NL80211_IFTYPE_STATION
:
4360 case NL80211_IFTYPE_P2P_CLIENT
:
4361 /* ignore uAPSD data */
4362 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4364 /* these are disallowed */
4365 if (params
.sta_flags_mask
&
4366 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4367 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4369 /* Only TDLS peers can be added */
4370 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4372 /* Can only add if TDLS ... */
4373 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4375 /* ... with external setup is supported */
4376 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4379 * Older wpa_supplicant versions always mark the TDLS peer
4380 * as authorized, but it shouldn't yet be.
4382 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4388 /* be aware of params.vlan when changing code here */
4390 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4393 dev_put(params
.vlan
);
4397 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4399 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4400 struct net_device
*dev
= info
->user_ptr
[1];
4401 u8
*mac_addr
= NULL
;
4403 if (info
->attrs
[NL80211_ATTR_MAC
])
4404 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4406 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4407 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4408 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4409 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4412 if (!rdev
->ops
->del_station
)
4415 return rdev_del_station(rdev
, dev
, mac_addr
);
4418 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4419 int flags
, struct net_device
*dev
,
4420 u8
*dst
, u8
*next_hop
,
4421 struct mpath_info
*pinfo
)
4424 struct nlattr
*pinfoattr
;
4426 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4430 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4431 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4432 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4433 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4434 goto nla_put_failure
;
4436 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4438 goto nla_put_failure
;
4439 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4440 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4442 goto nla_put_failure
;
4443 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4444 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4445 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4446 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4448 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4449 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4451 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4452 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4454 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4455 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4456 pinfo
->discovery_timeout
)) ||
4457 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4458 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4459 pinfo
->discovery_retries
)))
4460 goto nla_put_failure
;
4462 nla_nest_end(msg
, pinfoattr
);
4464 return genlmsg_end(msg
, hdr
);
4467 genlmsg_cancel(msg
, hdr
);
4471 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4472 struct netlink_callback
*cb
)
4474 struct mpath_info pinfo
;
4475 struct cfg80211_registered_device
*rdev
;
4476 struct wireless_dev
*wdev
;
4478 u8 next_hop
[ETH_ALEN
];
4479 int path_idx
= cb
->args
[2];
4482 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4486 if (!rdev
->ops
->dump_mpath
) {
4491 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4497 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4504 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4505 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4506 wdev
->netdev
, dst
, next_hop
,
4515 cb
->args
[2] = path_idx
;
4518 nl80211_finish_wdev_dump(rdev
);
4522 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4524 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4526 struct net_device
*dev
= info
->user_ptr
[1];
4527 struct mpath_info pinfo
;
4528 struct sk_buff
*msg
;
4530 u8 next_hop
[ETH_ALEN
];
4532 memset(&pinfo
, 0, sizeof(pinfo
));
4534 if (!info
->attrs
[NL80211_ATTR_MAC
])
4537 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4539 if (!rdev
->ops
->get_mpath
)
4542 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4545 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4549 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4553 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4554 dev
, dst
, next_hop
, &pinfo
) < 0) {
4559 return genlmsg_reply(msg
, info
);
4562 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4564 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4565 struct net_device
*dev
= info
->user_ptr
[1];
4567 u8
*next_hop
= NULL
;
4569 if (!info
->attrs
[NL80211_ATTR_MAC
])
4572 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4575 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4576 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4578 if (!rdev
->ops
->change_mpath
)
4581 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4584 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4587 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4589 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4590 struct net_device
*dev
= info
->user_ptr
[1];
4592 u8
*next_hop
= NULL
;
4594 if (!info
->attrs
[NL80211_ATTR_MAC
])
4597 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4600 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4601 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4603 if (!rdev
->ops
->add_mpath
)
4606 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4609 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4612 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4614 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4615 struct net_device
*dev
= info
->user_ptr
[1];
4618 if (info
->attrs
[NL80211_ATTR_MAC
])
4619 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4621 if (!rdev
->ops
->del_mpath
)
4624 return rdev_del_mpath(rdev
, dev
, dst
);
4627 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4629 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4630 struct net_device
*dev
= info
->user_ptr
[1];
4631 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4632 struct bss_parameters params
;
4635 memset(¶ms
, 0, sizeof(params
));
4636 /* default to not changing parameters */
4637 params
.use_cts_prot
= -1;
4638 params
.use_short_preamble
= -1;
4639 params
.use_short_slot_time
= -1;
4640 params
.ap_isolate
= -1;
4641 params
.ht_opmode
= -1;
4642 params
.p2p_ctwindow
= -1;
4643 params
.p2p_opp_ps
= -1;
4645 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4646 params
.use_cts_prot
=
4647 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4648 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4649 params
.use_short_preamble
=
4650 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4651 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4652 params
.use_short_slot_time
=
4653 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4654 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4655 params
.basic_rates
=
4656 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4657 params
.basic_rates_len
=
4658 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4660 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4661 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4662 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4664 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4666 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4667 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4669 params
.p2p_ctwindow
=
4670 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4671 if (params
.p2p_ctwindow
< 0)
4673 if (params
.p2p_ctwindow
!= 0 &&
4674 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4678 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4681 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4683 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4686 params
.p2p_opp_ps
= tmp
;
4687 if (params
.p2p_opp_ps
&&
4688 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4692 if (!rdev
->ops
->change_bss
)
4695 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4696 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4700 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4706 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4707 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4708 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4709 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4710 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4711 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4712 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4713 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4716 static int parse_reg_rule(struct nlattr
*tb
[],
4717 struct ieee80211_reg_rule
*reg_rule
)
4719 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4720 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4722 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4724 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4726 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4728 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4730 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4733 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4735 freq_range
->start_freq_khz
=
4736 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4737 freq_range
->end_freq_khz
=
4738 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4739 freq_range
->max_bandwidth_khz
=
4740 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4742 power_rule
->max_eirp
=
4743 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4745 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4746 power_rule
->max_antenna_gain
=
4747 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4749 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4750 reg_rule
->dfs_cac_ms
=
4751 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4756 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4759 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4762 * You should only get this when cfg80211 hasn't yet initialized
4763 * completely when built-in to the kernel right between the time
4764 * window between nl80211_init() and regulatory_init(), if that is
4767 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4768 return -EINPROGRESS
;
4770 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4771 user_reg_hint_type
=
4772 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4774 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4776 switch (user_reg_hint_type
) {
4777 case NL80211_USER_REG_HINT_USER
:
4778 case NL80211_USER_REG_HINT_CELL_BASE
:
4779 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4782 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4783 return regulatory_hint_user(data
, user_reg_hint_type
);
4784 case NL80211_USER_REG_HINT_INDOOR
:
4785 return regulatory_hint_indoor_user();
4791 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4792 struct genl_info
*info
)
4794 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4795 struct net_device
*dev
= info
->user_ptr
[1];
4796 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4797 struct mesh_config cur_params
;
4800 struct nlattr
*pinfoattr
;
4801 struct sk_buff
*msg
;
4803 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4806 if (!rdev
->ops
->get_mesh_config
)
4810 /* If not connected, get default parameters */
4811 if (!wdev
->mesh_id_len
)
4812 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4814 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4820 /* Draw up a netlink message to send back */
4821 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4824 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4825 NL80211_CMD_GET_MESH_CONFIG
);
4828 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4830 goto nla_put_failure
;
4831 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4832 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4833 cur_params
.dot11MeshRetryTimeout
) ||
4834 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4835 cur_params
.dot11MeshConfirmTimeout
) ||
4836 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4837 cur_params
.dot11MeshHoldingTimeout
) ||
4838 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4839 cur_params
.dot11MeshMaxPeerLinks
) ||
4840 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4841 cur_params
.dot11MeshMaxRetries
) ||
4842 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4843 cur_params
.dot11MeshTTL
) ||
4844 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4845 cur_params
.element_ttl
) ||
4846 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4847 cur_params
.auto_open_plinks
) ||
4848 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4849 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4850 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4851 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4852 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4853 cur_params
.path_refresh_time
) ||
4854 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4855 cur_params
.min_discovery_timeout
) ||
4856 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4857 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4858 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4859 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4860 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4861 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4862 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4863 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4864 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4865 cur_params
.dot11MeshHWMPRootMode
) ||
4866 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4867 cur_params
.dot11MeshHWMPRannInterval
) ||
4868 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4869 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4870 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4871 cur_params
.dot11MeshForwarding
) ||
4872 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4873 cur_params
.rssi_threshold
) ||
4874 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4875 cur_params
.ht_opmode
) ||
4876 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4877 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4878 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4879 cur_params
.dot11MeshHWMProotInterval
) ||
4880 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4881 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4882 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4883 cur_params
.power_mode
) ||
4884 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4885 cur_params
.dot11MeshAwakeWindowDuration
) ||
4886 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4887 cur_params
.plink_timeout
))
4888 goto nla_put_failure
;
4889 nla_nest_end(msg
, pinfoattr
);
4890 genlmsg_end(msg
, hdr
);
4891 return genlmsg_reply(msg
, info
);
4894 genlmsg_cancel(msg
, hdr
);
4900 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4901 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4902 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4903 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4904 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4905 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4906 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4907 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4908 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4909 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4910 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4911 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4912 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4913 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4914 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4915 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4916 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4917 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4918 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4919 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4920 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4921 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4922 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4923 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4924 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4925 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4926 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4927 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4928 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4931 static const struct nla_policy
4932 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4933 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4934 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4935 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4936 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4937 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4938 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4939 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4940 .len
= IEEE80211_MAX_DATA_LEN
},
4941 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4944 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4945 struct mesh_config
*cfg
,
4948 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4951 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4954 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4956 cfg->param = fn(tb[attr]); \
4957 mask |= (1 << (attr - 1)); \
4962 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4964 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4965 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4966 nl80211_meshconf_params_policy
))
4969 /* This makes sure that there aren't more than 32 mesh config
4970 * parameters (otherwise our bitfield scheme would not work.) */
4971 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4973 /* Fill in the params struct */
4974 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4975 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4977 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4978 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4980 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4981 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4983 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4984 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4986 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4987 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4989 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4990 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4991 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4992 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4994 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4995 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4997 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4999 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5001 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5002 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5004 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5005 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5007 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5008 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5010 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5012 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5014 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5016 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5018 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5020 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5022 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5023 dot11MeshHWMPnetDiameterTraversalTime
,
5025 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5027 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5028 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5030 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5031 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5033 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5034 dot11MeshGateAnnouncementProtocol
, 0, 1,
5035 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5037 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5038 mask
, NL80211_MESHCONF_FORWARDING
,
5040 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5041 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5043 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5044 mask
, NL80211_MESHCONF_HT_OPMODE
,
5046 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5048 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5050 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5051 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5053 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5054 dot11MeshHWMPconfirmationInterval
,
5056 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5058 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5059 NL80211_MESH_POWER_ACTIVE
,
5060 NL80211_MESH_POWER_MAX
,
5061 mask
, NL80211_MESHCONF_POWER_MODE
,
5063 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5065 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5066 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5067 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5074 #undef FILL_IN_MESH_PARAM_IF_SET
5077 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5078 struct mesh_setup
*setup
)
5080 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5081 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5083 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5085 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5086 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5087 nl80211_mesh_setup_params_policy
))
5090 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5091 setup
->sync_method
=
5092 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5093 IEEE80211_SYNC_METHOD_VENDOR
:
5094 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5096 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5097 setup
->path_sel_proto
=
5098 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5099 IEEE80211_PATH_PROTOCOL_VENDOR
:
5100 IEEE80211_PATH_PROTOCOL_HWMP
;
5102 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5103 setup
->path_metric
=
5104 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5105 IEEE80211_PATH_METRIC_VENDOR
:
5106 IEEE80211_PATH_METRIC_AIRTIME
;
5109 if (tb
[NL80211_MESH_SETUP_IE
]) {
5110 struct nlattr
*ieattr
=
5111 tb
[NL80211_MESH_SETUP_IE
];
5112 if (!is_valid_ie_attr(ieattr
))
5114 setup
->ie
= nla_data(ieattr
);
5115 setup
->ie_len
= nla_len(ieattr
);
5117 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5118 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5120 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5121 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5122 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5123 if (setup
->is_secure
)
5124 setup
->user_mpm
= true;
5126 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5127 if (!setup
->user_mpm
)
5130 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5136 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5137 struct genl_info
*info
)
5139 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5140 struct net_device
*dev
= info
->user_ptr
[1];
5141 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5142 struct mesh_config cfg
;
5146 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5149 if (!rdev
->ops
->update_mesh_config
)
5152 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5157 if (!wdev
->mesh_id_len
)
5161 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5168 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5170 const struct ieee80211_regdomain
*regdom
;
5171 struct sk_buff
*msg
;
5173 struct nlattr
*nl_reg_rules
;
5176 if (!cfg80211_regdomain
)
5179 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5183 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5184 NL80211_CMD_GET_REG
);
5188 if (reg_last_request_cell_base() &&
5189 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5190 NL80211_USER_REG_HINT_CELL_BASE
))
5191 goto nla_put_failure
;
5194 regdom
= rcu_dereference(cfg80211_regdomain
);
5196 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5197 (regdom
->dfs_region
&&
5198 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5199 goto nla_put_failure_rcu
;
5201 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5203 goto nla_put_failure_rcu
;
5205 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5206 struct nlattr
*nl_reg_rule
;
5207 const struct ieee80211_reg_rule
*reg_rule
;
5208 const struct ieee80211_freq_range
*freq_range
;
5209 const struct ieee80211_power_rule
*power_rule
;
5210 unsigned int max_bandwidth_khz
;
5212 reg_rule
= ®dom
->reg_rules
[i
];
5213 freq_range
= ®_rule
->freq_range
;
5214 power_rule
= ®_rule
->power_rule
;
5216 nl_reg_rule
= nla_nest_start(msg
, i
);
5218 goto nla_put_failure_rcu
;
5220 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5221 if (!max_bandwidth_khz
)
5222 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5225 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5227 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5228 freq_range
->start_freq_khz
) ||
5229 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5230 freq_range
->end_freq_khz
) ||
5231 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5232 max_bandwidth_khz
) ||
5233 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5234 power_rule
->max_antenna_gain
) ||
5235 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5236 power_rule
->max_eirp
) ||
5237 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5238 reg_rule
->dfs_cac_ms
))
5239 goto nla_put_failure_rcu
;
5241 nla_nest_end(msg
, nl_reg_rule
);
5245 nla_nest_end(msg
, nl_reg_rules
);
5247 genlmsg_end(msg
, hdr
);
5248 return genlmsg_reply(msg
, info
);
5250 nla_put_failure_rcu
:
5253 genlmsg_cancel(msg
, hdr
);
5259 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5261 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5262 struct nlattr
*nl_reg_rule
;
5263 char *alpha2
= NULL
;
5264 int rem_reg_rules
= 0, r
= 0;
5265 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5266 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5267 struct ieee80211_regdomain
*rd
= NULL
;
5269 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5272 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5275 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5277 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5278 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5280 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5283 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5287 if (!reg_is_valid_request(alpha2
))
5290 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5291 num_rules
* sizeof(struct ieee80211_reg_rule
);
5293 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5297 rd
->n_reg_rules
= num_rules
;
5298 rd
->alpha2
[0] = alpha2
[0];
5299 rd
->alpha2
[1] = alpha2
[1];
5302 * Disable DFS master mode if the DFS region was
5303 * not supported or known on this kernel.
5305 if (reg_supported_dfs_region(dfs_region
))
5306 rd
->dfs_region
= dfs_region
;
5308 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5310 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5311 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5315 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5321 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5328 /* set_regdom took ownership */
5336 static int validate_scan_freqs(struct nlattr
*freqs
)
5338 struct nlattr
*attr1
, *attr2
;
5339 int n_channels
= 0, tmp1
, tmp2
;
5341 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5344 * Some hardware has a limited channel list for
5345 * scanning, and it is pretty much nonsensical
5346 * to scan for a channel twice, so disallow that
5347 * and don't require drivers to check that the
5348 * channel list they get isn't longer than what
5349 * they can scan, as long as they can scan all
5350 * the channels they registered at once.
5352 nla_for_each_nested(attr2
, freqs
, tmp2
)
5353 if (attr1
!= attr2
&&
5354 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5361 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5363 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5364 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5365 struct cfg80211_scan_request
*request
;
5366 struct nlattr
*attr
;
5367 struct wiphy
*wiphy
;
5368 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5371 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5374 wiphy
= &rdev
->wiphy
;
5376 if (!rdev
->ops
->scan
)
5379 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5384 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5385 n_channels
= validate_scan_freqs(
5386 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5392 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5395 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5396 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5399 if (n_ssids
> wiphy
->max_scan_ssids
) {
5404 if (info
->attrs
[NL80211_ATTR_IE
])
5405 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5409 if (ie_len
> wiphy
->max_scan_ie_len
) {
5414 request
= kzalloc(sizeof(*request
)
5415 + sizeof(*request
->ssids
) * n_ssids
5416 + sizeof(*request
->channels
) * n_channels
5417 + ie_len
, GFP_KERNEL
);
5424 request
->ssids
= (void *)&request
->channels
[n_channels
];
5425 request
->n_ssids
= n_ssids
;
5428 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5430 request
->ie
= (void *)(request
->channels
+ n_channels
);
5434 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5435 /* user specified, bail out if channel not found */
5436 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5437 struct ieee80211_channel
*chan
;
5439 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5446 /* ignore disabled channels */
5447 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5450 request
->channels
[i
] = chan
;
5454 enum ieee80211_band band
;
5457 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5459 if (!wiphy
->bands
[band
])
5461 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5462 struct ieee80211_channel
*chan
;
5464 chan
= &wiphy
->bands
[band
]->channels
[j
];
5466 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5469 request
->channels
[i
] = chan
;
5480 request
->n_channels
= i
;
5483 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5484 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5485 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5489 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5490 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5495 if (info
->attrs
[NL80211_ATTR_IE
]) {
5496 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5497 memcpy((void *)request
->ie
,
5498 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5502 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5503 if (wiphy
->bands
[i
])
5505 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5507 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5508 nla_for_each_nested(attr
,
5509 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5511 enum ieee80211_band band
= nla_type(attr
);
5513 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5518 if (!wiphy
->bands
[band
])
5521 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5524 &request
->rates
[band
]);
5530 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5531 request
->flags
= nla_get_u32(
5532 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5533 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5534 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5541 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5543 request
->wdev
= wdev
;
5544 request
->wiphy
= &rdev
->wiphy
;
5545 request
->scan_start
= jiffies
;
5547 rdev
->scan_req
= request
;
5548 err
= rdev_scan(rdev
, request
);
5551 nl80211_send_scan_start(rdev
, wdev
);
5553 dev_hold(wdev
->netdev
);
5556 rdev
->scan_req
= NULL
;
5564 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5565 struct genl_info
*info
)
5567 struct cfg80211_sched_scan_request
*request
;
5568 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5569 struct net_device
*dev
= info
->user_ptr
[1];
5570 struct nlattr
*attr
;
5571 struct wiphy
*wiphy
;
5572 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5574 enum ieee80211_band band
;
5576 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5577 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5579 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5580 !rdev
->ops
->sched_scan_start
)
5583 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5586 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5589 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5593 wiphy
= &rdev
->wiphy
;
5595 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5596 n_channels
= validate_scan_freqs(
5597 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5601 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5604 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5605 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5609 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5613 * First, count the number of 'real' matchsets. Due to an issue with
5614 * the old implementation, matchsets containing only the RSSI attribute
5615 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5616 * RSSI for all matchsets, rather than their own matchset for reporting
5617 * all APs with a strong RSSI. This is needed to be compatible with
5618 * older userspace that treated a matchset with only the RSSI as the
5619 * global RSSI for all other matchsets - if there are other matchsets.
5621 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5622 nla_for_each_nested(attr
,
5623 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5625 struct nlattr
*rssi
;
5627 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5628 nla_data(attr
), nla_len(attr
),
5629 nl80211_match_policy
);
5632 /* add other standalone attributes here */
5633 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5637 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5639 default_match_rssi
= nla_get_s32(rssi
);
5643 /* However, if there's no other matchset, add the RSSI one */
5644 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5647 if (n_match_sets
> wiphy
->max_match_sets
)
5650 if (info
->attrs
[NL80211_ATTR_IE
])
5651 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5655 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5658 if (rdev
->sched_scan_req
) {
5663 request
= kzalloc(sizeof(*request
)
5664 + sizeof(*request
->ssids
) * n_ssids
5665 + sizeof(*request
->match_sets
) * n_match_sets
5666 + sizeof(*request
->channels
) * n_channels
5667 + ie_len
, GFP_KERNEL
);
5674 request
->ssids
= (void *)&request
->channels
[n_channels
];
5675 request
->n_ssids
= n_ssids
;
5678 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5680 request
->ie
= (void *)(request
->channels
+ n_channels
);
5685 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5686 else if (request
->ssids
)
5687 request
->match_sets
=
5688 (void *)(request
->ssids
+ n_ssids
);
5690 request
->match_sets
=
5691 (void *)(request
->channels
+ n_channels
);
5693 request
->n_match_sets
= n_match_sets
;
5696 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5697 /* user specified, bail out if channel not found */
5698 nla_for_each_nested(attr
,
5699 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5701 struct ieee80211_channel
*chan
;
5703 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5710 /* ignore disabled channels */
5711 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5714 request
->channels
[i
] = chan
;
5719 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5721 if (!wiphy
->bands
[band
])
5723 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5724 struct ieee80211_channel
*chan
;
5726 chan
= &wiphy
->bands
[band
]->channels
[j
];
5728 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5731 request
->channels
[i
] = chan
;
5742 request
->n_channels
= i
;
5745 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5746 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5748 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5752 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5753 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5760 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5761 nla_for_each_nested(attr
,
5762 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5764 struct nlattr
*ssid
, *rssi
;
5766 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5767 nla_data(attr
), nla_len(attr
),
5768 nl80211_match_policy
);
5771 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5773 if (WARN_ON(i
>= n_match_sets
)) {
5774 /* this indicates a programming error,
5775 * the loop above should have verified
5782 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5786 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5787 nla_data(ssid
), nla_len(ssid
));
5788 request
->match_sets
[i
].ssid
.ssid_len
=
5790 /* special attribute - old implemenation w/a */
5791 request
->match_sets
[i
].rssi_thold
=
5793 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5795 request
->match_sets
[i
].rssi_thold
=
5801 /* there was no other matchset, so the RSSI one is alone */
5803 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
5805 request
->min_rssi_thold
= INT_MAX
;
5806 for (i
= 0; i
< n_match_sets
; i
++)
5807 request
->min_rssi_thold
=
5808 min(request
->match_sets
[i
].rssi_thold
,
5809 request
->min_rssi_thold
);
5811 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
5815 request
->ie_len
= ie_len
;
5816 memcpy((void *)request
->ie
,
5817 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5821 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5822 request
->flags
= nla_get_u32(
5823 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5824 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5825 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5832 request
->wiphy
= &rdev
->wiphy
;
5833 request
->interval
= interval
;
5834 request
->scan_start
= jiffies
;
5836 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5838 rdev
->sched_scan_req
= request
;
5839 nl80211_send_sched_scan(rdev
, dev
,
5840 NL80211_CMD_START_SCHED_SCAN
);
5850 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5851 struct genl_info
*info
)
5853 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5855 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5856 !rdev
->ops
->sched_scan_stop
)
5859 return __cfg80211_stop_sched_scan(rdev
, false);
5862 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5863 struct genl_info
*info
)
5865 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5866 struct net_device
*dev
= info
->user_ptr
[1];
5867 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5868 struct cfg80211_chan_def chandef
;
5869 enum nl80211_dfs_regions dfs_region
;
5870 unsigned int cac_time_ms
;
5873 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5874 if (dfs_region
== NL80211_DFS_UNSET
)
5877 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5881 if (netif_carrier_ok(dev
))
5884 if (wdev
->cac_started
)
5887 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
5895 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
5898 if (!rdev
->ops
->start_radar_detection
)
5901 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
5902 if (WARN_ON(!cac_time_ms
))
5903 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
5905 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
5908 wdev
->chandef
= chandef
;
5909 wdev
->cac_started
= true;
5910 wdev
->cac_start_time
= jiffies
;
5911 wdev
->cac_time_ms
= cac_time_ms
;
5916 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5918 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5919 struct net_device
*dev
= info
->user_ptr
[1];
5920 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5921 struct cfg80211_csa_settings params
;
5922 /* csa_attrs is defined static to avoid waste of stack size - this
5923 * function is called under RTNL lock, so this should not be a problem.
5925 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5926 u8 radar_detect_width
= 0;
5928 bool need_new_beacon
= false;
5931 if (!rdev
->ops
->channel_switch
||
5932 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5935 switch (dev
->ieee80211_ptr
->iftype
) {
5936 case NL80211_IFTYPE_AP
:
5937 case NL80211_IFTYPE_P2P_GO
:
5938 need_new_beacon
= true;
5940 /* useless if AP is not running */
5941 if (!wdev
->beacon_interval
)
5944 case NL80211_IFTYPE_ADHOC
:
5945 if (!wdev
->ssid_len
)
5948 case NL80211_IFTYPE_MESH_POINT
:
5949 if (!wdev
->mesh_id_len
)
5956 memset(¶ms
, 0, sizeof(params
));
5958 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5959 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5962 /* only important for AP, IBSS and mesh create IEs internally */
5963 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5966 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5968 if (!need_new_beacon
)
5971 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5975 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5976 info
->attrs
[NL80211_ATTR_CSA_IES
],
5981 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5985 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5988 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5989 if (!len
|| (len
% sizeof(u16
)))
5992 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
5993 if (rdev
->wiphy
.max_num_csa_counters
&&
5994 (params
.n_counter_offsets_beacon
>
5995 rdev
->wiphy
.max_num_csa_counters
))
5998 params
.counter_offsets_beacon
=
5999 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6001 /* sanity checks - counters should fit and be the same */
6002 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6003 u16 offset
= params
.counter_offsets_beacon
[i
];
6005 if (offset
>= params
.beacon_csa
.tail_len
)
6008 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6012 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6013 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6014 if (!len
|| (len
% sizeof(u16
)))
6017 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6018 if (rdev
->wiphy
.max_num_csa_counters
&&
6019 (params
.n_counter_offsets_beacon
>
6020 rdev
->wiphy
.max_num_csa_counters
))
6023 params
.counter_offsets_presp
=
6024 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6026 /* sanity checks - counters should fit and be the same */
6027 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6028 u16 offset
= params
.counter_offsets_presp
[i
];
6030 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6033 if (params
.beacon_csa
.probe_resp
[offset
] !=
6040 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6044 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6048 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6055 radar_detect_width
= BIT(params
.chandef
.width
);
6056 params
.radar_required
= true;
6059 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6060 params
.block_tx
= true;
6063 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6069 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6071 struct cfg80211_registered_device
*rdev
,
6072 struct wireless_dev
*wdev
,
6073 struct cfg80211_internal_bss
*intbss
)
6075 struct cfg80211_bss
*res
= &intbss
->pub
;
6076 const struct cfg80211_bss_ies
*ies
;
6080 ASSERT_WDEV_LOCK(wdev
);
6082 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6083 NL80211_CMD_NEW_SCAN_RESULTS
);
6087 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6089 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6090 goto nla_put_failure
;
6092 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6093 goto nla_put_failure
;
6094 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6095 goto nla_put_failure
;
6097 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6099 goto nla_put_failure
;
6100 if ((!is_zero_ether_addr(res
->bssid
) &&
6101 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6102 goto nla_put_failure
;
6105 /* indicate whether we have probe response data or not */
6106 if (rcu_access_pointer(res
->proberesp_ies
) &&
6107 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6108 goto fail_unlock_rcu
;
6110 /* this pointer prefers to be pointed to probe response data
6111 * but is always valid
6113 ies
= rcu_dereference(res
->ies
);
6115 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6116 goto fail_unlock_rcu
;
6117 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6118 ies
->len
, ies
->data
))
6119 goto fail_unlock_rcu
;
6122 /* and this pointer is always (unless driver didn't know) beacon data */
6123 ies
= rcu_dereference(res
->beacon_ies
);
6124 if (ies
&& ies
->from_beacon
) {
6125 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6126 goto fail_unlock_rcu
;
6127 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6128 ies
->len
, ies
->data
))
6129 goto fail_unlock_rcu
;
6133 if (res
->beacon_interval
&&
6134 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6135 goto nla_put_failure
;
6136 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6137 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6138 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6139 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6140 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6141 goto nla_put_failure
;
6143 switch (rdev
->wiphy
.signal_type
) {
6144 case CFG80211_SIGNAL_TYPE_MBM
:
6145 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6146 goto nla_put_failure
;
6148 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6149 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6150 goto nla_put_failure
;
6156 switch (wdev
->iftype
) {
6157 case NL80211_IFTYPE_P2P_CLIENT
:
6158 case NL80211_IFTYPE_STATION
:
6159 if (intbss
== wdev
->current_bss
&&
6160 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6161 NL80211_BSS_STATUS_ASSOCIATED
))
6162 goto nla_put_failure
;
6164 case NL80211_IFTYPE_ADHOC
:
6165 if (intbss
== wdev
->current_bss
&&
6166 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6167 NL80211_BSS_STATUS_IBSS_JOINED
))
6168 goto nla_put_failure
;
6174 nla_nest_end(msg
, bss
);
6176 return genlmsg_end(msg
, hdr
);
6181 genlmsg_cancel(msg
, hdr
);
6185 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6187 struct cfg80211_registered_device
*rdev
;
6188 struct cfg80211_internal_bss
*scan
;
6189 struct wireless_dev
*wdev
;
6190 int start
= cb
->args
[2], idx
= 0;
6193 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6198 spin_lock_bh(&rdev
->bss_lock
);
6199 cfg80211_bss_expire(rdev
);
6201 cb
->seq
= rdev
->bss_generation
;
6203 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6206 if (nl80211_send_bss(skb
, cb
,
6207 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6208 rdev
, wdev
, scan
) < 0) {
6214 spin_unlock_bh(&rdev
->bss_lock
);
6218 nl80211_finish_wdev_dump(rdev
);
6223 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6224 int flags
, struct net_device
*dev
,
6225 struct survey_info
*survey
)
6228 struct nlattr
*infoattr
;
6230 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6231 NL80211_CMD_NEW_SURVEY_RESULTS
);
6235 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6236 goto nla_put_failure
;
6238 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6240 goto nla_put_failure
;
6242 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6243 survey
->channel
->center_freq
))
6244 goto nla_put_failure
;
6246 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6247 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6248 goto nla_put_failure
;
6249 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6250 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6251 goto nla_put_failure
;
6252 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6253 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6254 survey
->channel_time
))
6255 goto nla_put_failure
;
6256 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6257 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6258 survey
->channel_time_busy
))
6259 goto nla_put_failure
;
6260 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6261 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6262 survey
->channel_time_ext_busy
))
6263 goto nla_put_failure
;
6264 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6265 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6266 survey
->channel_time_rx
))
6267 goto nla_put_failure
;
6268 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6269 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6270 survey
->channel_time_tx
))
6271 goto nla_put_failure
;
6273 nla_nest_end(msg
, infoattr
);
6275 return genlmsg_end(msg
, hdr
);
6278 genlmsg_cancel(msg
, hdr
);
6282 static int nl80211_dump_survey(struct sk_buff
*skb
,
6283 struct netlink_callback
*cb
)
6285 struct survey_info survey
;
6286 struct cfg80211_registered_device
*rdev
;
6287 struct wireless_dev
*wdev
;
6288 int survey_idx
= cb
->args
[2];
6291 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6295 if (!wdev
->netdev
) {
6300 if (!rdev
->ops
->dump_survey
) {
6306 struct ieee80211_channel
*chan
;
6308 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6314 /* Survey without a channel doesn't make sense */
6315 if (!survey
.channel
) {
6320 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6321 survey
.channel
->center_freq
);
6322 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6327 if (nl80211_send_survey(skb
,
6328 NETLINK_CB(cb
->skb
).portid
,
6329 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6330 wdev
->netdev
, &survey
) < 0)
6336 cb
->args
[2] = survey_idx
;
6339 nl80211_finish_wdev_dump(rdev
);
6343 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6345 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6346 NL80211_WPA_VERSION_2
));
6349 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6351 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6352 struct net_device
*dev
= info
->user_ptr
[1];
6353 struct ieee80211_channel
*chan
;
6354 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6355 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6356 enum nl80211_auth_type auth_type
;
6357 struct key_parse key
;
6358 bool local_state_change
;
6360 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6363 if (!info
->attrs
[NL80211_ATTR_MAC
])
6366 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6369 if (!info
->attrs
[NL80211_ATTR_SSID
])
6372 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6375 err
= nl80211_parse_key(info
, &key
);
6380 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6382 if (!key
.p
.key
|| !key
.p
.key_len
)
6384 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6385 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6386 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6387 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6399 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6400 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6409 if (!rdev
->ops
->auth
)
6412 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6413 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6416 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6417 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6418 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6422 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6423 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6425 if (info
->attrs
[NL80211_ATTR_IE
]) {
6426 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6427 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6430 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6431 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6434 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6435 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6438 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6439 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6441 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6442 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6443 /* need to include at least Auth Transaction and Status Code */
6444 if (sae_data_len
< 4)
6448 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6451 * Since we no longer track auth state, ignore
6452 * requests to only change local state.
6454 if (local_state_change
)
6457 wdev_lock(dev
->ieee80211_ptr
);
6458 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6459 ssid
, ssid_len
, ie
, ie_len
,
6460 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6461 sae_data
, sae_data_len
);
6462 wdev_unlock(dev
->ieee80211_ptr
);
6466 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6467 struct genl_info
*info
,
6468 struct cfg80211_crypto_settings
*settings
,
6471 memset(settings
, 0, sizeof(*settings
));
6473 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6475 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6477 proto
= nla_get_u16(
6478 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6479 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6480 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6483 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6484 settings
->control_port_no_encrypt
= true;
6486 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6488 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6492 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6493 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6494 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6496 if (len
% sizeof(u32
))
6499 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6502 memcpy(settings
->ciphers_pairwise
, data
, len
);
6504 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6505 if (!cfg80211_supported_cipher_suite(
6507 settings
->ciphers_pairwise
[i
]))
6511 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6512 settings
->cipher_group
=
6513 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6514 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6515 settings
->cipher_group
))
6519 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6520 settings
->wpa_versions
=
6521 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6522 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6526 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6530 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6531 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6532 settings
->n_akm_suites
= len
/ sizeof(u32
);
6534 if (len
% sizeof(u32
))
6537 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6540 memcpy(settings
->akm_suites
, data
, len
);
6546 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6548 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6549 struct net_device
*dev
= info
->user_ptr
[1];
6550 struct ieee80211_channel
*chan
;
6551 struct cfg80211_assoc_request req
= {};
6552 const u8
*bssid
, *ssid
;
6553 int err
, ssid_len
= 0;
6555 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6558 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6559 !info
->attrs
[NL80211_ATTR_SSID
] ||
6560 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6563 if (!rdev
->ops
->assoc
)
6566 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6567 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6570 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6572 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6573 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6577 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6578 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6580 if (info
->attrs
[NL80211_ATTR_IE
]) {
6581 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6582 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6585 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6586 enum nl80211_mfp mfp
=
6587 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6588 if (mfp
== NL80211_MFP_REQUIRED
)
6590 else if (mfp
!= NL80211_MFP_NO
)
6594 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6595 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6597 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6598 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6600 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6601 memcpy(&req
.ht_capa_mask
,
6602 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6603 sizeof(req
.ht_capa_mask
));
6605 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6606 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6608 memcpy(&req
.ht_capa
,
6609 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6610 sizeof(req
.ht_capa
));
6613 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6614 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6616 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6617 memcpy(&req
.vht_capa_mask
,
6618 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6619 sizeof(req
.vht_capa_mask
));
6621 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6622 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6624 memcpy(&req
.vht_capa
,
6625 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6626 sizeof(req
.vht_capa
));
6629 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
6630 if (!(rdev
->wiphy
.features
&
6631 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
6632 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
6634 req
.flags
|= ASSOC_REQ_USE_RRM
;
6637 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6639 wdev_lock(dev
->ieee80211_ptr
);
6640 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6641 ssid
, ssid_len
, &req
);
6642 wdev_unlock(dev
->ieee80211_ptr
);
6648 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6650 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6651 struct net_device
*dev
= info
->user_ptr
[1];
6652 const u8
*ie
= NULL
, *bssid
;
6653 int ie_len
= 0, err
;
6655 bool local_state_change
;
6657 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6660 if (!info
->attrs
[NL80211_ATTR_MAC
])
6663 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6666 if (!rdev
->ops
->deauth
)
6669 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6670 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6673 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6675 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6676 if (reason_code
== 0) {
6677 /* Reason Code 0 is reserved */
6681 if (info
->attrs
[NL80211_ATTR_IE
]) {
6682 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6683 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6686 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6688 wdev_lock(dev
->ieee80211_ptr
);
6689 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6690 local_state_change
);
6691 wdev_unlock(dev
->ieee80211_ptr
);
6695 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6697 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6698 struct net_device
*dev
= info
->user_ptr
[1];
6699 const u8
*ie
= NULL
, *bssid
;
6700 int ie_len
= 0, err
;
6702 bool local_state_change
;
6704 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6707 if (!info
->attrs
[NL80211_ATTR_MAC
])
6710 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6713 if (!rdev
->ops
->disassoc
)
6716 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6717 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6720 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6722 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6723 if (reason_code
== 0) {
6724 /* Reason Code 0 is reserved */
6728 if (info
->attrs
[NL80211_ATTR_IE
]) {
6729 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6730 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6733 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6735 wdev_lock(dev
->ieee80211_ptr
);
6736 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6737 local_state_change
);
6738 wdev_unlock(dev
->ieee80211_ptr
);
6743 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6744 int mcast_rate
[IEEE80211_NUM_BANDS
],
6747 struct wiphy
*wiphy
= &rdev
->wiphy
;
6751 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6752 struct ieee80211_supported_band
*sband
;
6754 sband
= wiphy
->bands
[band
];
6758 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6759 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6760 mcast_rate
[band
] = i
+ 1;
6770 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6772 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6773 struct net_device
*dev
= info
->user_ptr
[1];
6774 struct cfg80211_ibss_params ibss
;
6775 struct wiphy
*wiphy
;
6776 struct cfg80211_cached_keys
*connkeys
= NULL
;
6779 memset(&ibss
, 0, sizeof(ibss
));
6781 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6784 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6785 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6788 ibss
.beacon_interval
= 100;
6790 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6791 ibss
.beacon_interval
=
6792 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6793 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6797 if (!rdev
->ops
->join_ibss
)
6800 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6803 wiphy
= &rdev
->wiphy
;
6805 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6806 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6808 if (!is_valid_ether_addr(ibss
.bssid
))
6811 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6812 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6814 if (info
->attrs
[NL80211_ATTR_IE
]) {
6815 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6816 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6819 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6823 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
6824 NL80211_IFTYPE_ADHOC
))
6827 switch (ibss
.chandef
.width
) {
6828 case NL80211_CHAN_WIDTH_5
:
6829 case NL80211_CHAN_WIDTH_10
:
6830 case NL80211_CHAN_WIDTH_20_NOHT
:
6832 case NL80211_CHAN_WIDTH_20
:
6833 case NL80211_CHAN_WIDTH_40
:
6834 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6840 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6841 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6843 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6845 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6847 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6848 struct ieee80211_supported_band
*sband
=
6849 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6851 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6857 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6858 memcpy(&ibss
.ht_capa_mask
,
6859 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6860 sizeof(ibss
.ht_capa_mask
));
6862 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6863 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6865 memcpy(&ibss
.ht_capa
,
6866 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6867 sizeof(ibss
.ht_capa
));
6870 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6871 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6872 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6875 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6878 connkeys
= nl80211_parse_connkeys(rdev
,
6879 info
->attrs
[NL80211_ATTR_KEYS
],
6881 if (IS_ERR(connkeys
))
6882 return PTR_ERR(connkeys
);
6884 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6892 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6894 ibss
.userspace_handles_dfs
=
6895 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6897 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6903 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6905 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6906 struct net_device
*dev
= info
->user_ptr
[1];
6908 if (!rdev
->ops
->leave_ibss
)
6911 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6914 return cfg80211_leave_ibss(rdev
, dev
, false);
6917 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6919 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6920 struct net_device
*dev
= info
->user_ptr
[1];
6921 int mcast_rate
[IEEE80211_NUM_BANDS
];
6925 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6926 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6929 if (!rdev
->ops
->set_mcast_rate
)
6932 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6934 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6937 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6938 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6941 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6946 static struct sk_buff
*
6947 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
6948 int approxlen
, u32 portid
, u32 seq
,
6949 enum nl80211_commands cmd
,
6950 enum nl80211_attrs attr
,
6951 const struct nl80211_vendor_cmd_info
*info
,
6954 struct sk_buff
*skb
;
6956 struct nlattr
*data
;
6958 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6962 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
6968 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6969 goto nla_put_failure
;
6972 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
6974 goto nla_put_failure
;
6975 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
6977 goto nla_put_failure
;
6980 data
= nla_nest_start(skb
, attr
);
6982 ((void **)skb
->cb
)[0] = rdev
;
6983 ((void **)skb
->cb
)[1] = hdr
;
6984 ((void **)skb
->cb
)[2] = data
;
6993 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
6994 enum nl80211_commands cmd
,
6995 enum nl80211_attrs attr
,
6996 int vendor_event_idx
,
6997 int approxlen
, gfp_t gfp
)
6999 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7000 const struct nl80211_vendor_cmd_info
*info
;
7003 case NL80211_CMD_TESTMODE
:
7004 if (WARN_ON(vendor_event_idx
!= -1))
7008 case NL80211_CMD_VENDOR
:
7009 if (WARN_ON(vendor_event_idx
< 0 ||
7010 vendor_event_idx
>= wiphy
->n_vendor_events
))
7012 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7019 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7020 cmd
, attr
, info
, gfp
);
7022 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7024 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7026 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7027 void *hdr
= ((void **)skb
->cb
)[1];
7028 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7029 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7031 /* clear CB data for netlink core to own from now on */
7032 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7034 nla_nest_end(skb
, data
);
7035 genlmsg_end(skb
, hdr
);
7037 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7038 mcgrp
= NL80211_MCGRP_VENDOR
;
7040 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7043 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7045 #ifdef CONFIG_NL80211_TESTMODE
7046 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7048 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7049 struct wireless_dev
*wdev
=
7050 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7053 if (!rdev
->ops
->testmode_cmd
)
7057 err
= PTR_ERR(wdev
);
7061 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7065 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7068 rdev
->cur_cmd_info
= info
;
7069 err
= rdev_testmode_cmd(rdev
, wdev
,
7070 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7071 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7072 rdev
->cur_cmd_info
= NULL
;
7077 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7078 struct netlink_callback
*cb
)
7080 struct cfg80211_registered_device
*rdev
;
7090 * 0 is a valid index, but not valid for args[0],
7091 * so we need to offset by 1.
7093 phy_idx
= cb
->args
[0] - 1;
7095 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7096 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7101 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7102 nl80211_fam
.attrbuf
);
7104 err
= PTR_ERR(rdev
);
7107 phy_idx
= rdev
->wiphy_idx
;
7110 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7112 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7116 data
= nla_data((void *)cb
->args
[1]);
7117 data_len
= nla_len((void *)cb
->args
[1]);
7120 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7126 if (!rdev
->ops
->testmode_dump
) {
7132 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7133 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7134 NL80211_CMD_TESTMODE
);
7135 struct nlattr
*tmdata
;
7140 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7141 genlmsg_cancel(skb
, hdr
);
7145 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7147 genlmsg_cancel(skb
, hdr
);
7150 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7151 nla_nest_end(skb
, tmdata
);
7153 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7154 genlmsg_cancel(skb
, hdr
);
7157 genlmsg_cancel(skb
, hdr
);
7161 genlmsg_end(skb
, hdr
);
7166 cb
->args
[0] = phy_idx
+ 1;
7173 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7175 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7176 struct net_device
*dev
= info
->user_ptr
[1];
7177 struct cfg80211_connect_params connect
;
7178 struct wiphy
*wiphy
;
7179 struct cfg80211_cached_keys
*connkeys
= NULL
;
7182 memset(&connect
, 0, sizeof(connect
));
7184 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7187 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7188 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7191 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7193 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7194 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7195 NL80211_CMD_CONNECT
))
7198 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7200 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7202 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7203 NL80211_MAX_NR_CIPHER_SUITES
);
7207 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7208 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7211 wiphy
= &rdev
->wiphy
;
7213 connect
.bg_scan_period
= -1;
7214 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7215 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7216 connect
.bg_scan_period
=
7217 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7220 if (info
->attrs
[NL80211_ATTR_MAC
])
7221 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7222 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7223 connect
.bssid_hint
=
7224 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7225 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7226 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7228 if (info
->attrs
[NL80211_ATTR_IE
]) {
7229 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7230 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7233 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7234 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7235 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7236 connect
.mfp
!= NL80211_MFP_NO
)
7239 connect
.mfp
= NL80211_MFP_NO
;
7242 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7243 connect
.channel
= nl80211_get_valid_chan(
7244 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7245 if (!connect
.channel
)
7247 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7248 connect
.channel_hint
= nl80211_get_valid_chan(
7249 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7250 if (!connect
.channel_hint
)
7254 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7255 connkeys
= nl80211_parse_connkeys(rdev
,
7256 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7257 if (IS_ERR(connkeys
))
7258 return PTR_ERR(connkeys
);
7261 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7262 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7264 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7265 memcpy(&connect
.ht_capa_mask
,
7266 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7267 sizeof(connect
.ht_capa_mask
));
7269 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7270 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7274 memcpy(&connect
.ht_capa
,
7275 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7276 sizeof(connect
.ht_capa
));
7279 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7280 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7282 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7283 memcpy(&connect
.vht_capa_mask
,
7284 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7285 sizeof(connect
.vht_capa_mask
));
7287 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7288 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7292 memcpy(&connect
.vht_capa
,
7293 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7294 sizeof(connect
.vht_capa
));
7297 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7298 if (!(rdev
->wiphy
.features
&
7299 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7300 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7302 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7305 wdev_lock(dev
->ieee80211_ptr
);
7306 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7307 wdev_unlock(dev
->ieee80211_ptr
);
7313 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7315 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7316 struct net_device
*dev
= info
->user_ptr
[1];
7320 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7321 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7323 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7328 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7329 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7332 wdev_lock(dev
->ieee80211_ptr
);
7333 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7334 wdev_unlock(dev
->ieee80211_ptr
);
7338 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7340 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7345 if (!info
->attrs
[NL80211_ATTR_PID
])
7348 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7350 net
= get_net_ns_by_pid(pid
);
7352 return PTR_ERR(net
);
7356 /* check if anything to do */
7357 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7358 err
= cfg80211_switch_netns(rdev
, net
);
7364 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7366 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7367 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7368 struct cfg80211_pmksa
*pmksa
) = NULL
;
7369 struct net_device
*dev
= info
->user_ptr
[1];
7370 struct cfg80211_pmksa pmksa
;
7372 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7374 if (!info
->attrs
[NL80211_ATTR_MAC
])
7377 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7380 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7381 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7383 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7384 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7387 switch (info
->genlhdr
->cmd
) {
7388 case NL80211_CMD_SET_PMKSA
:
7389 rdev_ops
= rdev
->ops
->set_pmksa
;
7391 case NL80211_CMD_DEL_PMKSA
:
7392 rdev_ops
= rdev
->ops
->del_pmksa
;
7402 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7405 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7407 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7408 struct net_device
*dev
= info
->user_ptr
[1];
7410 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7411 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7414 if (!rdev
->ops
->flush_pmksa
)
7417 return rdev_flush_pmksa(rdev
, dev
);
7420 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7422 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7423 struct net_device
*dev
= info
->user_ptr
[1];
7424 u8 action_code
, dialog_token
;
7425 u32 peer_capability
= 0;
7430 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7431 !rdev
->ops
->tdls_mgmt
)
7434 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7435 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7436 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7437 !info
->attrs
[NL80211_ATTR_IE
] ||
7438 !info
->attrs
[NL80211_ATTR_MAC
])
7441 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7442 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7443 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7444 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7445 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7446 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7448 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7450 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7451 dialog_token
, status_code
, peer_capability
,
7453 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7454 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7457 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7459 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7460 struct net_device
*dev
= info
->user_ptr
[1];
7461 enum nl80211_tdls_operation operation
;
7464 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7465 !rdev
->ops
->tdls_oper
)
7468 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7469 !info
->attrs
[NL80211_ATTR_MAC
])
7472 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7473 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7475 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7478 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7479 struct genl_info
*info
)
7481 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7482 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7483 struct cfg80211_chan_def chandef
;
7484 struct sk_buff
*msg
;
7490 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7491 !info
->attrs
[NL80211_ATTR_DURATION
])
7494 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7496 if (!rdev
->ops
->remain_on_channel
||
7497 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7501 * We should be on that channel for at least a minimum amount of
7502 * time (10ms) but no longer than the driver supports.
7504 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7505 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7508 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7512 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7516 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7517 NL80211_CMD_REMAIN_ON_CHANNEL
);
7523 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7529 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7530 goto nla_put_failure
;
7532 genlmsg_end(msg
, hdr
);
7534 return genlmsg_reply(msg
, info
);
7543 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7544 struct genl_info
*info
)
7546 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7547 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7550 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7553 if (!rdev
->ops
->cancel_remain_on_channel
)
7556 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7558 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7561 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7562 u8
*rates
, u8 rates_len
)
7567 for (i
= 0; i
< rates_len
; i
++) {
7568 int rate
= (rates
[i
] & 0x7f) * 5;
7570 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7571 struct ieee80211_rate
*srate
=
7572 &sband
->bitrates
[ridx
];
7573 if (rate
== srate
->bitrate
) {
7578 if (ridx
== sband
->n_bitrates
)
7579 return 0; /* rate not found */
7585 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7586 u8
*rates
, u8 rates_len
,
7587 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7591 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7593 for (i
= 0; i
< rates_len
; i
++) {
7596 ridx
= rates
[i
] / 8;
7597 rbit
= BIT(rates
[i
] % 8);
7599 /* check validity */
7600 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7603 /* check availability */
7604 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7613 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7617 switch (vht_mcs_map
) {
7618 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7620 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7623 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7626 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7636 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7637 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7641 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7642 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7647 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7648 struct nl80211_txrate_vht
*txrate
,
7649 u16 mcs
[NL80211_VHT_NSS_MAX
])
7651 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7652 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7655 if (!sband
->vht_cap
.vht_supported
)
7658 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7660 /* Build vht_mcs_mask from VHT capabilities */
7661 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7663 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7664 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7665 mcs
[i
] = txrate
->mcs
[i
];
7673 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7674 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7675 .len
= NL80211_MAX_SUPP_RATES
},
7676 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7677 .len
= NL80211_MAX_SUPP_HT_RATES
},
7678 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7679 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
7682 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7683 struct genl_info
*info
)
7685 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7686 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7687 struct cfg80211_bitrate_mask mask
;
7689 struct net_device
*dev
= info
->user_ptr
[1];
7690 struct nlattr
*tx_rates
;
7691 struct ieee80211_supported_band
*sband
;
7694 if (!rdev
->ops
->set_bitrate_mask
)
7697 memset(&mask
, 0, sizeof(mask
));
7698 /* Default to all rates enabled */
7699 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7700 sband
= rdev
->wiphy
.bands
[i
];
7705 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7706 memcpy(mask
.control
[i
].ht_mcs
,
7707 sband
->ht_cap
.mcs
.rx_mask
,
7708 sizeof(mask
.control
[i
].ht_mcs
));
7710 if (!sband
->vht_cap
.vht_supported
)
7713 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7714 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7717 /* if no rates are given set it back to the defaults */
7718 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7722 * The nested attribute uses enum nl80211_band as the index. This maps
7723 * directly to the enum ieee80211_band values used in cfg80211.
7725 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7726 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
7727 enum ieee80211_band band
= nla_type(tx_rates
);
7730 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7732 sband
= rdev
->wiphy
.bands
[band
];
7735 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7736 nla_len(tx_rates
), nl80211_txattr_policy
);
7739 if (tb
[NL80211_TXRATE_LEGACY
]) {
7740 mask
.control
[band
].legacy
= rateset_to_mask(
7742 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7743 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7744 if ((mask
.control
[band
].legacy
== 0) &&
7745 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7748 if (tb
[NL80211_TXRATE_HT
]) {
7749 if (!ht_rateset_to_mask(
7751 nla_data(tb
[NL80211_TXRATE_HT
]),
7752 nla_len(tb
[NL80211_TXRATE_HT
]),
7753 mask
.control
[band
].ht_mcs
))
7756 if (tb
[NL80211_TXRATE_VHT
]) {
7757 if (!vht_set_mcs_mask(
7759 nla_data(tb
[NL80211_TXRATE_VHT
]),
7760 mask
.control
[band
].vht_mcs
))
7763 if (tb
[NL80211_TXRATE_GI
]) {
7764 mask
.control
[band
].gi
=
7765 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
7766 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
7770 if (mask
.control
[band
].legacy
== 0) {
7771 /* don't allow empty legacy rates if HT or VHT
7772 * are not even supported.
7774 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
7775 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
7778 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7779 if (mask
.control
[band
].ht_mcs
[i
])
7782 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
7783 if (mask
.control
[band
].vht_mcs
[i
])
7786 /* legacy and mcs rates may not be both empty */
7792 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7795 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7797 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7798 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7799 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7801 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7804 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7805 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7807 switch (wdev
->iftype
) {
7808 case NL80211_IFTYPE_STATION
:
7809 case NL80211_IFTYPE_ADHOC
:
7810 case NL80211_IFTYPE_P2P_CLIENT
:
7811 case NL80211_IFTYPE_AP
:
7812 case NL80211_IFTYPE_AP_VLAN
:
7813 case NL80211_IFTYPE_MESH_POINT
:
7814 case NL80211_IFTYPE_P2P_GO
:
7815 case NL80211_IFTYPE_P2P_DEVICE
:
7821 /* not much point in registering if we can't reply */
7822 if (!rdev
->ops
->mgmt_tx
)
7825 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7826 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7827 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7830 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7832 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7833 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7834 struct cfg80211_chan_def chandef
;
7838 struct sk_buff
*msg
= NULL
;
7839 struct cfg80211_mgmt_tx_params params
= {
7840 .dont_wait_for_ack
=
7841 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7844 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7847 if (!rdev
->ops
->mgmt_tx
)
7850 switch (wdev
->iftype
) {
7851 case NL80211_IFTYPE_P2P_DEVICE
:
7852 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7854 case NL80211_IFTYPE_STATION
:
7855 case NL80211_IFTYPE_ADHOC
:
7856 case NL80211_IFTYPE_P2P_CLIENT
:
7857 case NL80211_IFTYPE_AP
:
7858 case NL80211_IFTYPE_AP_VLAN
:
7859 case NL80211_IFTYPE_MESH_POINT
:
7860 case NL80211_IFTYPE_P2P_GO
:
7866 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7867 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7869 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7872 * We should wait on the channel for at least a minimum amount
7873 * of time (10ms) but no longer than the driver supports.
7875 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7876 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7881 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7883 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7886 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7888 /* get the channel if any has been specified, otherwise pass NULL to
7889 * the driver. The latter will use the current one
7891 chandef
.chan
= NULL
;
7892 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7893 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7898 if (!chandef
.chan
&& params
.offchan
)
7901 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
7902 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
7904 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
7905 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
7908 if (len
% sizeof(u16
))
7911 params
.n_csa_offsets
= len
/ sizeof(u16
);
7912 params
.csa_offsets
=
7913 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
7915 /* check that all the offsets fit the frame */
7916 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
7917 if (params
.csa_offsets
[i
] >= params
.len
)
7922 if (!params
.dont_wait_for_ack
) {
7923 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7927 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7935 params
.chan
= chandef
.chan
;
7936 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
7941 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7942 goto nla_put_failure
;
7944 genlmsg_end(msg
, hdr
);
7945 return genlmsg_reply(msg
, info
);
7957 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7959 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7960 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7963 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7966 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7969 switch (wdev
->iftype
) {
7970 case NL80211_IFTYPE_STATION
:
7971 case NL80211_IFTYPE_ADHOC
:
7972 case NL80211_IFTYPE_P2P_CLIENT
:
7973 case NL80211_IFTYPE_AP
:
7974 case NL80211_IFTYPE_AP_VLAN
:
7975 case NL80211_IFTYPE_P2P_GO
:
7976 case NL80211_IFTYPE_P2P_DEVICE
:
7982 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7984 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7987 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7989 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7990 struct wireless_dev
*wdev
;
7991 struct net_device
*dev
= info
->user_ptr
[1];
7996 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7999 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8001 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8004 wdev
= dev
->ieee80211_ptr
;
8006 if (!rdev
->ops
->set_power_mgmt
)
8009 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8011 if (state
== wdev
->ps
)
8014 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8020 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8022 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8023 enum nl80211_ps_state ps_state
;
8024 struct wireless_dev
*wdev
;
8025 struct net_device
*dev
= info
->user_ptr
[1];
8026 struct sk_buff
*msg
;
8030 wdev
= dev
->ieee80211_ptr
;
8032 if (!rdev
->ops
->set_power_mgmt
)
8035 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8039 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8040 NL80211_CMD_GET_POWER_SAVE
);
8047 ps_state
= NL80211_PS_ENABLED
;
8049 ps_state
= NL80211_PS_DISABLED
;
8051 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8052 goto nla_put_failure
;
8054 genlmsg_end(msg
, hdr
);
8055 return genlmsg_reply(msg
, info
);
8064 static const struct nla_policy
8065 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8066 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8067 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8068 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8069 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8070 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8071 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8074 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8075 u32 rate
, u32 pkts
, u32 intvl
)
8077 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8078 struct net_device
*dev
= info
->user_ptr
[1];
8079 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8081 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8084 if (!rdev
->ops
->set_cqm_txe_config
)
8087 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8088 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8091 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8094 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8095 s32 threshold
, u32 hysteresis
)
8097 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8098 struct net_device
*dev
= info
->user_ptr
[1];
8099 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8104 /* disabling - hysteresis should also be zero then */
8108 if (!rdev
->ops
->set_cqm_rssi_config
)
8111 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8112 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8115 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8118 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8120 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8124 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8128 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8129 nl80211_attr_cqm_policy
);
8133 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8134 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8135 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8136 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8138 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8141 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8142 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8143 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8144 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8145 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8146 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8148 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8154 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8156 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8157 struct net_device
*dev
= info
->user_ptr
[1];
8158 struct mesh_config cfg
;
8159 struct mesh_setup setup
;
8162 /* start with default */
8163 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8164 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8166 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8167 /* and parse parameters if given */
8168 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8173 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8174 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8177 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8178 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8180 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8181 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8182 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8185 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8186 setup
.beacon_interval
=
8187 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8188 if (setup
.beacon_interval
< 10 ||
8189 setup
.beacon_interval
> 10000)
8193 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8195 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8196 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8200 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8201 /* parse additional setup parameters if given */
8202 err
= nl80211_parse_mesh_setup(info
, &setup
);
8208 cfg
.auto_open_plinks
= false;
8210 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8211 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8215 /* cfg80211_join_mesh() will sort it out */
8216 setup
.chandef
.chan
= NULL
;
8219 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8220 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8222 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8223 struct ieee80211_supported_band
*sband
;
8225 if (!setup
.chandef
.chan
)
8228 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8230 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8231 &setup
.basic_rates
);
8236 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8239 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8241 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8242 struct net_device
*dev
= info
->user_ptr
[1];
8244 return cfg80211_leave_mesh(rdev
, dev
);
8248 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8249 struct cfg80211_registered_device
*rdev
)
8251 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8252 struct nlattr
*nl_pats
, *nl_pat
;
8255 if (!wowlan
->n_patterns
)
8258 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8262 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8263 nl_pat
= nla_nest_start(msg
, i
+ 1);
8266 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8267 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8268 wowlan
->patterns
[i
].mask
) ||
8269 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8270 wowlan
->patterns
[i
].pattern
) ||
8271 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8272 wowlan
->patterns
[i
].pkt_offset
))
8274 nla_nest_end(msg
, nl_pat
);
8276 nla_nest_end(msg
, nl_pats
);
8281 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8282 struct cfg80211_wowlan_tcp
*tcp
)
8284 struct nlattr
*nl_tcp
;
8289 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8293 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8294 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8295 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8296 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8297 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8298 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8299 tcp
->payload_len
, tcp
->payload
) ||
8300 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8301 tcp
->data_interval
) ||
8302 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8303 tcp
->wake_len
, tcp
->wake_data
) ||
8304 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8305 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8308 if (tcp
->payload_seq
.len
&&
8309 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8310 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8313 if (tcp
->payload_tok
.len
&&
8314 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8315 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8319 nla_nest_end(msg
, nl_tcp
);
8324 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8326 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8327 struct sk_buff
*msg
;
8329 u32 size
= NLMSG_DEFAULT_SIZE
;
8331 if (!rdev
->wiphy
.wowlan
)
8334 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8335 /* adjust size to have room for all the data */
8336 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8337 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8338 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8339 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8342 msg
= nlmsg_new(size
, GFP_KERNEL
);
8346 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8347 NL80211_CMD_GET_WOWLAN
);
8349 goto nla_put_failure
;
8351 if (rdev
->wiphy
.wowlan_config
) {
8352 struct nlattr
*nl_wowlan
;
8354 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8356 goto nla_put_failure
;
8358 if ((rdev
->wiphy
.wowlan_config
->any
&&
8359 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8360 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8361 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8362 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8363 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8364 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8365 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8366 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8367 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8368 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8369 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8370 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8371 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8372 goto nla_put_failure
;
8374 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8375 goto nla_put_failure
;
8377 if (nl80211_send_wowlan_tcp(msg
,
8378 rdev
->wiphy
.wowlan_config
->tcp
))
8379 goto nla_put_failure
;
8381 nla_nest_end(msg
, nl_wowlan
);
8384 genlmsg_end(msg
, hdr
);
8385 return genlmsg_reply(msg
, info
);
8392 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8393 struct nlattr
*attr
,
8394 struct cfg80211_wowlan
*trig
)
8396 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8397 struct cfg80211_wowlan_tcp
*cfg
;
8398 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8399 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8401 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8404 if (!rdev
->wiphy
.wowlan
->tcp
)
8407 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8408 nla_data(attr
), nla_len(attr
),
8409 nl80211_wowlan_tcp_policy
);
8413 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8414 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8415 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8416 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8417 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8418 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8419 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8420 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8423 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8424 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8427 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8428 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8429 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8432 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8433 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8436 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8437 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8440 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8441 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8443 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8444 tokens_size
= tokln
- sizeof(*tok
);
8446 if (!tok
->len
|| tokens_size
% tok
->len
)
8448 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8450 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8452 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8454 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8456 if (tok
->offset
+ tok
->len
> data_size
)
8460 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8461 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8462 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8464 if (seq
->len
== 0 || seq
->len
> 4)
8466 if (seq
->len
+ seq
->offset
> data_size
)
8470 size
= sizeof(*cfg
);
8472 size
+= wake_size
+ wake_mask_size
;
8473 size
+= tokens_size
;
8475 cfg
= kzalloc(size
, GFP_KERNEL
);
8478 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8479 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8480 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8482 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8483 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8487 /* allocate a socket and port for it and use it */
8488 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8489 IPPROTO_TCP
, &cfg
->sock
, 1);
8494 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8495 sock_release(cfg
->sock
);
8499 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8505 cfg
->src_port
= port
;
8508 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8509 cfg
->payload_len
= data_size
;
8510 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8511 memcpy((void *)cfg
->payload
,
8512 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8515 cfg
->payload_seq
= *seq
;
8516 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8517 cfg
->wake_len
= wake_size
;
8518 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8519 memcpy((void *)cfg
->wake_data
,
8520 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8522 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8523 data_size
+ wake_size
;
8524 memcpy((void *)cfg
->wake_mask
,
8525 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8528 cfg
->tokens_size
= tokens_size
;
8529 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8537 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8539 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8540 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8541 struct cfg80211_wowlan new_triggers
= {};
8542 struct cfg80211_wowlan
*ntrig
;
8543 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8545 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8550 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8551 cfg80211_rdev_free_wowlan(rdev
);
8552 rdev
->wiphy
.wowlan_config
= NULL
;
8556 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8557 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8558 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8559 nl80211_wowlan_policy
);
8563 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8564 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8566 new_triggers
.any
= true;
8569 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8570 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8572 new_triggers
.disconnect
= true;
8575 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8576 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8578 new_triggers
.magic_pkt
= true;
8581 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8584 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8585 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8587 new_triggers
.gtk_rekey_failure
= true;
8590 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8591 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8593 new_triggers
.eap_identity_req
= true;
8596 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8597 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8599 new_triggers
.four_way_handshake
= true;
8602 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8603 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8605 new_triggers
.rfkill_release
= true;
8608 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8611 int rem
, pat_len
, mask_len
, pkt_offset
;
8612 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8614 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8617 if (n_patterns
> wowlan
->n_patterns
)
8620 new_triggers
.patterns
= kcalloc(n_patterns
,
8621 sizeof(new_triggers
.patterns
[0]),
8623 if (!new_triggers
.patterns
)
8626 new_triggers
.n_patterns
= n_patterns
;
8629 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8633 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8634 nla_len(pat
), NULL
);
8636 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8637 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8639 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8640 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8641 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8643 if (pat_len
> wowlan
->pattern_max_len
||
8644 pat_len
< wowlan
->pattern_min_len
)
8647 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8650 pkt_offset
= nla_get_u32(
8651 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8652 if (pkt_offset
> wowlan
->max_pkt_offset
)
8654 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8656 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8661 new_triggers
.patterns
[i
].mask
= mask_pat
;
8662 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8664 mask_pat
+= mask_len
;
8665 new_triggers
.patterns
[i
].pattern
= mask_pat
;
8666 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8668 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8674 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8675 err
= nl80211_parse_wowlan_tcp(
8676 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8682 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8687 cfg80211_rdev_free_wowlan(rdev
);
8688 rdev
->wiphy
.wowlan_config
= ntrig
;
8691 if (rdev
->ops
->set_wakeup
&&
8692 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8693 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8697 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8698 kfree(new_triggers
.patterns
[i
].mask
);
8699 kfree(new_triggers
.patterns
);
8700 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8701 sock_release(new_triggers
.tcp
->sock
);
8702 kfree(new_triggers
.tcp
);
8707 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8708 struct cfg80211_registered_device
*rdev
)
8710 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8712 struct cfg80211_coalesce_rules
*rule
;
8714 if (!rdev
->coalesce
->n_rules
)
8717 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8721 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8722 nl_rule
= nla_nest_start(msg
, i
+ 1);
8726 rule
= &rdev
->coalesce
->rules
[i
];
8727 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8731 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8735 nl_pats
= nla_nest_start(msg
,
8736 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8740 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8741 nl_pat
= nla_nest_start(msg
, j
+ 1);
8744 pat_len
= rule
->patterns
[j
].pattern_len
;
8745 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8746 DIV_ROUND_UP(pat_len
, 8),
8747 rule
->patterns
[j
].mask
) ||
8748 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8749 rule
->patterns
[j
].pattern
) ||
8750 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8751 rule
->patterns
[j
].pkt_offset
))
8753 nla_nest_end(msg
, nl_pat
);
8755 nla_nest_end(msg
, nl_pats
);
8756 nla_nest_end(msg
, nl_rule
);
8758 nla_nest_end(msg
, nl_rules
);
8763 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8765 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8766 struct sk_buff
*msg
;
8769 if (!rdev
->wiphy
.coalesce
)
8772 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8776 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8777 NL80211_CMD_GET_COALESCE
);
8779 goto nla_put_failure
;
8781 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8782 goto nla_put_failure
;
8784 genlmsg_end(msg
, hdr
);
8785 return genlmsg_reply(msg
, info
);
8792 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8794 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8796 struct cfg80211_coalesce_rules
*rule
;
8801 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8802 rule
= &coalesce
->rules
[i
];
8803 for (j
= 0; j
< rule
->n_patterns
; j
++)
8804 kfree(rule
->patterns
[j
].mask
);
8805 kfree(rule
->patterns
);
8807 kfree(coalesce
->rules
);
8809 rdev
->coalesce
= NULL
;
8812 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8813 struct nlattr
*rule
,
8814 struct cfg80211_coalesce_rules
*new_rule
)
8817 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8818 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8819 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8820 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8822 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8823 nla_len(rule
), nl80211_coalesce_policy
);
8827 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8829 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8830 if (new_rule
->delay
> coalesce
->max_delay
)
8833 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8834 new_rule
->condition
=
8835 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8836 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8837 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8840 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8843 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8846 if (n_patterns
> coalesce
->n_patterns
)
8849 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8851 if (!new_rule
->patterns
)
8854 new_rule
->n_patterns
= n_patterns
;
8857 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8861 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8862 nla_len(pat
), NULL
);
8863 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8864 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8866 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8867 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8868 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8870 if (pat_len
> coalesce
->pattern_max_len
||
8871 pat_len
< coalesce
->pattern_min_len
)
8874 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8877 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8878 if (pkt_offset
> coalesce
->max_pkt_offset
)
8880 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8882 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8886 new_rule
->patterns
[i
].mask
= mask_pat
;
8887 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8890 mask_pat
+= mask_len
;
8891 new_rule
->patterns
[i
].pattern
= mask_pat
;
8892 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8893 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8901 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8903 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8904 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8905 struct cfg80211_coalesce new_coalesce
= {};
8906 struct cfg80211_coalesce
*n_coalesce
;
8907 int err
, rem_rule
, n_rules
= 0, i
, j
;
8908 struct nlattr
*rule
;
8909 struct cfg80211_coalesce_rules
*tmp_rule
;
8911 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8914 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8915 cfg80211_rdev_free_coalesce(rdev
);
8916 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8920 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8923 if (n_rules
> coalesce
->n_rules
)
8926 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8928 if (!new_coalesce
.rules
)
8931 new_coalesce
.n_rules
= n_rules
;
8934 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8936 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8937 &new_coalesce
.rules
[i
]);
8944 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8948 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8953 cfg80211_rdev_free_coalesce(rdev
);
8954 rdev
->coalesce
= n_coalesce
;
8958 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8959 tmp_rule
= &new_coalesce
.rules
[i
];
8960 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8961 kfree(tmp_rule
->patterns
[j
].mask
);
8962 kfree(tmp_rule
->patterns
);
8964 kfree(new_coalesce
.rules
);
8969 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8971 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8972 struct net_device
*dev
= info
->user_ptr
[1];
8973 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8974 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8975 struct cfg80211_gtk_rekey_data rekey_data
;
8978 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8981 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8982 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8983 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8984 nl80211_rekey_policy
);
8988 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8990 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8992 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8995 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
8996 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
8997 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9000 if (!wdev
->current_bss
) {
9005 if (!rdev
->ops
->set_rekey_data
) {
9010 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9016 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9017 struct genl_info
*info
)
9019 struct net_device
*dev
= info
->user_ptr
[1];
9020 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9022 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9023 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9026 if (wdev
->ap_unexpected_nlportid
)
9029 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9033 static int nl80211_probe_client(struct sk_buff
*skb
,
9034 struct genl_info
*info
)
9036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9037 struct net_device
*dev
= info
->user_ptr
[1];
9038 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9039 struct sk_buff
*msg
;
9045 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9046 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9049 if (!info
->attrs
[NL80211_ATTR_MAC
])
9052 if (!rdev
->ops
->probe_client
)
9055 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9059 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9060 NL80211_CMD_PROBE_CLIENT
);
9066 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9068 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9072 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9073 goto nla_put_failure
;
9075 genlmsg_end(msg
, hdr
);
9077 return genlmsg_reply(msg
, info
);
9086 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9088 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9089 struct cfg80211_beacon_registration
*reg
, *nreg
;
9092 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9095 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9099 /* First, check if already registered. */
9100 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9101 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9102 if (reg
->nlportid
== info
->snd_portid
) {
9107 /* Add it to the list */
9108 nreg
->nlportid
= info
->snd_portid
;
9109 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9111 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9115 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9120 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9122 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9123 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9126 if (!rdev
->ops
->start_p2p_device
)
9129 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9132 if (wdev
->p2p_started
)
9135 if (rfkill_blocked(rdev
->rfkill
))
9138 err
= rdev_start_p2p_device(rdev
, wdev
);
9142 wdev
->p2p_started
= true;
9148 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9150 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9151 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9153 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9156 if (!rdev
->ops
->stop_p2p_device
)
9159 cfg80211_stop_p2p_device(rdev
, wdev
);
9164 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9165 struct genl_info
*info
)
9168 struct sk_buff
*msg
;
9170 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9174 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9175 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9177 goto nla_put_failure
;
9179 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9180 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9181 goto nla_put_failure
;
9183 genlmsg_end(msg
, hdr
);
9184 return genlmsg_reply(msg
, info
);
9191 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9193 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9194 struct cfg80211_update_ft_ies_params ft_params
;
9195 struct net_device
*dev
= info
->user_ptr
[1];
9197 if (!rdev
->ops
->update_ft_ies
)
9200 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9201 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9204 memset(&ft_params
, 0, sizeof(ft_params
));
9205 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9206 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9207 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9209 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9212 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9213 struct genl_info
*info
)
9215 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9216 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9217 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9221 if (!rdev
->ops
->crit_proto_start
)
9224 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9227 if (rdev
->crit_proto_nlportid
)
9230 /* determine protocol if provided */
9231 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9232 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9234 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9237 /* timeout must be provided */
9238 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9242 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9244 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9247 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9249 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9254 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9255 struct genl_info
*info
)
9257 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9258 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9260 if (!rdev
->ops
->crit_proto_stop
)
9263 if (rdev
->crit_proto_nlportid
) {
9264 rdev
->crit_proto_nlportid
= 0;
9265 rdev_crit_proto_stop(rdev
, wdev
);
9270 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9272 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9273 struct wireless_dev
*wdev
=
9274 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9278 if (!rdev
->wiphy
.vendor_commands
)
9282 err
= PTR_ERR(wdev
);
9286 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9290 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9291 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9294 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9295 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9296 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9297 const struct wiphy_vendor_command
*vcmd
;
9301 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9303 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9306 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9307 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9310 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9314 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9316 !netif_running(wdev
->netdev
))
9318 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9325 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9326 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9327 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9330 rdev
->cur_cmd_info
= info
;
9331 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9333 rdev
->cur_cmd_info
= NULL
;
9340 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9341 enum nl80211_commands cmd
,
9342 enum nl80211_attrs attr
,
9345 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9347 if (WARN_ON(!rdev
->cur_cmd_info
))
9350 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9351 rdev
->cur_cmd_info
->snd_portid
,
9352 rdev
->cur_cmd_info
->snd_seq
,
9353 cmd
, attr
, NULL
, GFP_KERNEL
);
9355 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9357 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9359 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9360 void *hdr
= ((void **)skb
->cb
)[1];
9361 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9363 /* clear CB data for netlink core to own from now on */
9364 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9366 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9371 nla_nest_end(skb
, data
);
9372 genlmsg_end(skb
, hdr
);
9373 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9375 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9378 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9379 struct genl_info
*info
)
9381 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9382 struct cfg80211_qos_map
*qos_map
= NULL
;
9383 struct net_device
*dev
= info
->user_ptr
[1];
9384 u8
*pos
, len
, num_des
, des_len
, des
;
9387 if (!rdev
->ops
->set_qos_map
)
9390 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9391 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9392 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9394 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9395 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9398 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9402 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9405 sizeof(struct cfg80211_dscp_exception
);
9406 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9407 qos_map
->num_des
= num_des
;
9408 for (des
= 0; des
< num_des
; des
++) {
9409 if (qos_map
->dscp_exception
[des
].up
> 7) {
9416 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9419 wdev_lock(dev
->ieee80211_ptr
);
9420 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9422 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9423 wdev_unlock(dev
->ieee80211_ptr
);
9429 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9431 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9432 struct net_device
*dev
= info
->user_ptr
[1];
9433 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9436 u16 admitted_time
= 0;
9439 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_WMM_ADMISSION
))
9442 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
9443 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
9446 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9447 if (tsid
>= IEEE80211_NUM_TIDS
)
9450 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
9451 if (up
>= IEEE80211_NUM_UPS
)
9454 /* WMM uses TIDs 0-7 even for TSPEC */
9455 if (tsid
< IEEE80211_FIRST_TSPEC_TSID
) {
9456 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_WMM_ADMISSION
))
9459 /* TODO: handle 802.11 TSPEC/admission control
9460 * need more attributes for that (e.g. BA session requirement)
9465 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9467 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
9469 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
9475 switch (wdev
->iftype
) {
9476 case NL80211_IFTYPE_STATION
:
9477 case NL80211_IFTYPE_P2P_CLIENT
:
9478 if (wdev
->current_bss
)
9487 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
9494 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9496 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9497 struct net_device
*dev
= info
->user_ptr
[1];
9498 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9503 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
9506 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9507 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9510 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
9516 #define NL80211_FLAG_NEED_WIPHY 0x01
9517 #define NL80211_FLAG_NEED_NETDEV 0x02
9518 #define NL80211_FLAG_NEED_RTNL 0x04
9519 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9520 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9521 NL80211_FLAG_CHECK_NETDEV_UP)
9522 #define NL80211_FLAG_NEED_WDEV 0x10
9523 /* If a netdev is associated, it must be UP, P2P must be started */
9524 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9525 NL80211_FLAG_CHECK_NETDEV_UP)
9526 #define NL80211_FLAG_CLEAR_SKB 0x20
9528 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9529 struct genl_info
*info
)
9531 struct cfg80211_registered_device
*rdev
;
9532 struct wireless_dev
*wdev
;
9533 struct net_device
*dev
;
9534 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9539 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9540 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9544 return PTR_ERR(rdev
);
9546 info
->user_ptr
[0] = rdev
;
9547 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9548 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9551 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9556 return PTR_ERR(wdev
);
9560 rdev
= wiphy_to_rdev(wdev
->wiphy
);
9562 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9569 info
->user_ptr
[1] = dev
;
9571 info
->user_ptr
[1] = wdev
;
9575 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9576 !netif_running(dev
)) {
9583 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9584 if (!wdev
->p2p_started
) {
9591 info
->user_ptr
[0] = rdev
;
9597 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9598 struct genl_info
*info
)
9600 if (info
->user_ptr
[1]) {
9601 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9602 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9605 dev_put(wdev
->netdev
);
9607 dev_put(info
->user_ptr
[1]);
9611 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9614 /* If needed, clear the netlink message payload from the SKB
9615 * as it might contain key data that shouldn't stick around on
9616 * the heap after the SKB is freed. The netlink message header
9617 * is still needed for further processing, so leave it intact.
9619 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
9620 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
9622 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
9626 static const struct genl_ops nl80211_ops
[] = {
9628 .cmd
= NL80211_CMD_GET_WIPHY
,
9629 .doit
= nl80211_get_wiphy
,
9630 .dumpit
= nl80211_dump_wiphy
,
9631 .done
= nl80211_dump_wiphy_done
,
9632 .policy
= nl80211_policy
,
9633 /* can be retrieved by unprivileged users */
9634 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9635 NL80211_FLAG_NEED_RTNL
,
9638 .cmd
= NL80211_CMD_SET_WIPHY
,
9639 .doit
= nl80211_set_wiphy
,
9640 .policy
= nl80211_policy
,
9641 .flags
= GENL_ADMIN_PERM
,
9642 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9645 .cmd
= NL80211_CMD_GET_INTERFACE
,
9646 .doit
= nl80211_get_interface
,
9647 .dumpit
= nl80211_dump_interface
,
9648 .policy
= nl80211_policy
,
9649 /* can be retrieved by unprivileged users */
9650 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9651 NL80211_FLAG_NEED_RTNL
,
9654 .cmd
= NL80211_CMD_SET_INTERFACE
,
9655 .doit
= nl80211_set_interface
,
9656 .policy
= nl80211_policy
,
9657 .flags
= GENL_ADMIN_PERM
,
9658 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9659 NL80211_FLAG_NEED_RTNL
,
9662 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9663 .doit
= nl80211_new_interface
,
9664 .policy
= nl80211_policy
,
9665 .flags
= GENL_ADMIN_PERM
,
9666 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9667 NL80211_FLAG_NEED_RTNL
,
9670 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9671 .doit
= nl80211_del_interface
,
9672 .policy
= nl80211_policy
,
9673 .flags
= GENL_ADMIN_PERM
,
9674 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9675 NL80211_FLAG_NEED_RTNL
,
9678 .cmd
= NL80211_CMD_GET_KEY
,
9679 .doit
= nl80211_get_key
,
9680 .policy
= nl80211_policy
,
9681 .flags
= GENL_ADMIN_PERM
,
9682 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9683 NL80211_FLAG_NEED_RTNL
,
9686 .cmd
= NL80211_CMD_SET_KEY
,
9687 .doit
= nl80211_set_key
,
9688 .policy
= nl80211_policy
,
9689 .flags
= GENL_ADMIN_PERM
,
9690 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9691 NL80211_FLAG_NEED_RTNL
|
9692 NL80211_FLAG_CLEAR_SKB
,
9695 .cmd
= NL80211_CMD_NEW_KEY
,
9696 .doit
= nl80211_new_key
,
9697 .policy
= nl80211_policy
,
9698 .flags
= GENL_ADMIN_PERM
,
9699 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9700 NL80211_FLAG_NEED_RTNL
|
9701 NL80211_FLAG_CLEAR_SKB
,
9704 .cmd
= NL80211_CMD_DEL_KEY
,
9705 .doit
= nl80211_del_key
,
9706 .policy
= nl80211_policy
,
9707 .flags
= GENL_ADMIN_PERM
,
9708 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9709 NL80211_FLAG_NEED_RTNL
,
9712 .cmd
= NL80211_CMD_SET_BEACON
,
9713 .policy
= nl80211_policy
,
9714 .flags
= GENL_ADMIN_PERM
,
9715 .doit
= nl80211_set_beacon
,
9716 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9717 NL80211_FLAG_NEED_RTNL
,
9720 .cmd
= NL80211_CMD_START_AP
,
9721 .policy
= nl80211_policy
,
9722 .flags
= GENL_ADMIN_PERM
,
9723 .doit
= nl80211_start_ap
,
9724 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9725 NL80211_FLAG_NEED_RTNL
,
9728 .cmd
= NL80211_CMD_STOP_AP
,
9729 .policy
= nl80211_policy
,
9730 .flags
= GENL_ADMIN_PERM
,
9731 .doit
= nl80211_stop_ap
,
9732 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9733 NL80211_FLAG_NEED_RTNL
,
9736 .cmd
= NL80211_CMD_GET_STATION
,
9737 .doit
= nl80211_get_station
,
9738 .dumpit
= nl80211_dump_station
,
9739 .policy
= nl80211_policy
,
9740 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9741 NL80211_FLAG_NEED_RTNL
,
9744 .cmd
= NL80211_CMD_SET_STATION
,
9745 .doit
= nl80211_set_station
,
9746 .policy
= nl80211_policy
,
9747 .flags
= GENL_ADMIN_PERM
,
9748 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9749 NL80211_FLAG_NEED_RTNL
,
9752 .cmd
= NL80211_CMD_NEW_STATION
,
9753 .doit
= nl80211_new_station
,
9754 .policy
= nl80211_policy
,
9755 .flags
= GENL_ADMIN_PERM
,
9756 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9757 NL80211_FLAG_NEED_RTNL
,
9760 .cmd
= NL80211_CMD_DEL_STATION
,
9761 .doit
= nl80211_del_station
,
9762 .policy
= nl80211_policy
,
9763 .flags
= GENL_ADMIN_PERM
,
9764 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9765 NL80211_FLAG_NEED_RTNL
,
9768 .cmd
= NL80211_CMD_GET_MPATH
,
9769 .doit
= nl80211_get_mpath
,
9770 .dumpit
= nl80211_dump_mpath
,
9771 .policy
= nl80211_policy
,
9772 .flags
= GENL_ADMIN_PERM
,
9773 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9774 NL80211_FLAG_NEED_RTNL
,
9777 .cmd
= NL80211_CMD_SET_MPATH
,
9778 .doit
= nl80211_set_mpath
,
9779 .policy
= nl80211_policy
,
9780 .flags
= GENL_ADMIN_PERM
,
9781 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9782 NL80211_FLAG_NEED_RTNL
,
9785 .cmd
= NL80211_CMD_NEW_MPATH
,
9786 .doit
= nl80211_new_mpath
,
9787 .policy
= nl80211_policy
,
9788 .flags
= GENL_ADMIN_PERM
,
9789 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9790 NL80211_FLAG_NEED_RTNL
,
9793 .cmd
= NL80211_CMD_DEL_MPATH
,
9794 .doit
= nl80211_del_mpath
,
9795 .policy
= nl80211_policy
,
9796 .flags
= GENL_ADMIN_PERM
,
9797 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9798 NL80211_FLAG_NEED_RTNL
,
9801 .cmd
= NL80211_CMD_SET_BSS
,
9802 .doit
= nl80211_set_bss
,
9803 .policy
= nl80211_policy
,
9804 .flags
= GENL_ADMIN_PERM
,
9805 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9806 NL80211_FLAG_NEED_RTNL
,
9809 .cmd
= NL80211_CMD_GET_REG
,
9810 .doit
= nl80211_get_reg
,
9811 .policy
= nl80211_policy
,
9812 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9813 /* can be retrieved by unprivileged users */
9816 .cmd
= NL80211_CMD_SET_REG
,
9817 .doit
= nl80211_set_reg
,
9818 .policy
= nl80211_policy
,
9819 .flags
= GENL_ADMIN_PERM
,
9820 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9823 .cmd
= NL80211_CMD_REQ_SET_REG
,
9824 .doit
= nl80211_req_set_reg
,
9825 .policy
= nl80211_policy
,
9826 .flags
= GENL_ADMIN_PERM
,
9829 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9830 .doit
= nl80211_get_mesh_config
,
9831 .policy
= nl80211_policy
,
9832 /* can be retrieved by unprivileged users */
9833 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9834 NL80211_FLAG_NEED_RTNL
,
9837 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9838 .doit
= nl80211_update_mesh_config
,
9839 .policy
= nl80211_policy
,
9840 .flags
= GENL_ADMIN_PERM
,
9841 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9842 NL80211_FLAG_NEED_RTNL
,
9845 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9846 .doit
= nl80211_trigger_scan
,
9847 .policy
= nl80211_policy
,
9848 .flags
= GENL_ADMIN_PERM
,
9849 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9850 NL80211_FLAG_NEED_RTNL
,
9853 .cmd
= NL80211_CMD_GET_SCAN
,
9854 .policy
= nl80211_policy
,
9855 .dumpit
= nl80211_dump_scan
,
9858 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9859 .doit
= nl80211_start_sched_scan
,
9860 .policy
= nl80211_policy
,
9861 .flags
= GENL_ADMIN_PERM
,
9862 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9863 NL80211_FLAG_NEED_RTNL
,
9866 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9867 .doit
= nl80211_stop_sched_scan
,
9868 .policy
= nl80211_policy
,
9869 .flags
= GENL_ADMIN_PERM
,
9870 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9871 NL80211_FLAG_NEED_RTNL
,
9874 .cmd
= NL80211_CMD_AUTHENTICATE
,
9875 .doit
= nl80211_authenticate
,
9876 .policy
= nl80211_policy
,
9877 .flags
= GENL_ADMIN_PERM
,
9878 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9879 NL80211_FLAG_NEED_RTNL
|
9880 NL80211_FLAG_CLEAR_SKB
,
9883 .cmd
= NL80211_CMD_ASSOCIATE
,
9884 .doit
= nl80211_associate
,
9885 .policy
= nl80211_policy
,
9886 .flags
= GENL_ADMIN_PERM
,
9887 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9888 NL80211_FLAG_NEED_RTNL
,
9891 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9892 .doit
= nl80211_deauthenticate
,
9893 .policy
= nl80211_policy
,
9894 .flags
= GENL_ADMIN_PERM
,
9895 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9896 NL80211_FLAG_NEED_RTNL
,
9899 .cmd
= NL80211_CMD_DISASSOCIATE
,
9900 .doit
= nl80211_disassociate
,
9901 .policy
= nl80211_policy
,
9902 .flags
= GENL_ADMIN_PERM
,
9903 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9904 NL80211_FLAG_NEED_RTNL
,
9907 .cmd
= NL80211_CMD_JOIN_IBSS
,
9908 .doit
= nl80211_join_ibss
,
9909 .policy
= nl80211_policy
,
9910 .flags
= GENL_ADMIN_PERM
,
9911 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9912 NL80211_FLAG_NEED_RTNL
,
9915 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9916 .doit
= nl80211_leave_ibss
,
9917 .policy
= nl80211_policy
,
9918 .flags
= GENL_ADMIN_PERM
,
9919 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9920 NL80211_FLAG_NEED_RTNL
,
9922 #ifdef CONFIG_NL80211_TESTMODE
9924 .cmd
= NL80211_CMD_TESTMODE
,
9925 .doit
= nl80211_testmode_do
,
9926 .dumpit
= nl80211_testmode_dump
,
9927 .policy
= nl80211_policy
,
9928 .flags
= GENL_ADMIN_PERM
,
9929 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9930 NL80211_FLAG_NEED_RTNL
,
9934 .cmd
= NL80211_CMD_CONNECT
,
9935 .doit
= nl80211_connect
,
9936 .policy
= nl80211_policy
,
9937 .flags
= GENL_ADMIN_PERM
,
9938 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9939 NL80211_FLAG_NEED_RTNL
,
9942 .cmd
= NL80211_CMD_DISCONNECT
,
9943 .doit
= nl80211_disconnect
,
9944 .policy
= nl80211_policy
,
9945 .flags
= GENL_ADMIN_PERM
,
9946 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9947 NL80211_FLAG_NEED_RTNL
,
9950 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9951 .doit
= nl80211_wiphy_netns
,
9952 .policy
= nl80211_policy
,
9953 .flags
= GENL_ADMIN_PERM
,
9954 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9955 NL80211_FLAG_NEED_RTNL
,
9958 .cmd
= NL80211_CMD_GET_SURVEY
,
9959 .policy
= nl80211_policy
,
9960 .dumpit
= nl80211_dump_survey
,
9963 .cmd
= NL80211_CMD_SET_PMKSA
,
9964 .doit
= nl80211_setdel_pmksa
,
9965 .policy
= nl80211_policy
,
9966 .flags
= GENL_ADMIN_PERM
,
9967 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9968 NL80211_FLAG_NEED_RTNL
,
9971 .cmd
= NL80211_CMD_DEL_PMKSA
,
9972 .doit
= nl80211_setdel_pmksa
,
9973 .policy
= nl80211_policy
,
9974 .flags
= GENL_ADMIN_PERM
,
9975 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9976 NL80211_FLAG_NEED_RTNL
,
9979 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9980 .doit
= nl80211_flush_pmksa
,
9981 .policy
= nl80211_policy
,
9982 .flags
= GENL_ADMIN_PERM
,
9983 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9984 NL80211_FLAG_NEED_RTNL
,
9987 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9988 .doit
= nl80211_remain_on_channel
,
9989 .policy
= nl80211_policy
,
9990 .flags
= GENL_ADMIN_PERM
,
9991 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9992 NL80211_FLAG_NEED_RTNL
,
9995 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9996 .doit
= nl80211_cancel_remain_on_channel
,
9997 .policy
= nl80211_policy
,
9998 .flags
= GENL_ADMIN_PERM
,
9999 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10000 NL80211_FLAG_NEED_RTNL
,
10003 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10004 .doit
= nl80211_set_tx_bitrate_mask
,
10005 .policy
= nl80211_policy
,
10006 .flags
= GENL_ADMIN_PERM
,
10007 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10008 NL80211_FLAG_NEED_RTNL
,
10011 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10012 .doit
= nl80211_register_mgmt
,
10013 .policy
= nl80211_policy
,
10014 .flags
= GENL_ADMIN_PERM
,
10015 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10016 NL80211_FLAG_NEED_RTNL
,
10019 .cmd
= NL80211_CMD_FRAME
,
10020 .doit
= nl80211_tx_mgmt
,
10021 .policy
= nl80211_policy
,
10022 .flags
= GENL_ADMIN_PERM
,
10023 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10024 NL80211_FLAG_NEED_RTNL
,
10027 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10028 .doit
= nl80211_tx_mgmt_cancel_wait
,
10029 .policy
= nl80211_policy
,
10030 .flags
= GENL_ADMIN_PERM
,
10031 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10032 NL80211_FLAG_NEED_RTNL
,
10035 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10036 .doit
= nl80211_set_power_save
,
10037 .policy
= nl80211_policy
,
10038 .flags
= GENL_ADMIN_PERM
,
10039 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10040 NL80211_FLAG_NEED_RTNL
,
10043 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10044 .doit
= nl80211_get_power_save
,
10045 .policy
= nl80211_policy
,
10046 /* can be retrieved by unprivileged users */
10047 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10048 NL80211_FLAG_NEED_RTNL
,
10051 .cmd
= NL80211_CMD_SET_CQM
,
10052 .doit
= nl80211_set_cqm
,
10053 .policy
= nl80211_policy
,
10054 .flags
= GENL_ADMIN_PERM
,
10055 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10056 NL80211_FLAG_NEED_RTNL
,
10059 .cmd
= NL80211_CMD_SET_CHANNEL
,
10060 .doit
= nl80211_set_channel
,
10061 .policy
= nl80211_policy
,
10062 .flags
= GENL_ADMIN_PERM
,
10063 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10064 NL80211_FLAG_NEED_RTNL
,
10067 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10068 .doit
= nl80211_set_wds_peer
,
10069 .policy
= nl80211_policy
,
10070 .flags
= GENL_ADMIN_PERM
,
10071 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10072 NL80211_FLAG_NEED_RTNL
,
10075 .cmd
= NL80211_CMD_JOIN_MESH
,
10076 .doit
= nl80211_join_mesh
,
10077 .policy
= nl80211_policy
,
10078 .flags
= GENL_ADMIN_PERM
,
10079 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10080 NL80211_FLAG_NEED_RTNL
,
10083 .cmd
= NL80211_CMD_LEAVE_MESH
,
10084 .doit
= nl80211_leave_mesh
,
10085 .policy
= nl80211_policy
,
10086 .flags
= GENL_ADMIN_PERM
,
10087 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10088 NL80211_FLAG_NEED_RTNL
,
10092 .cmd
= NL80211_CMD_GET_WOWLAN
,
10093 .doit
= nl80211_get_wowlan
,
10094 .policy
= nl80211_policy
,
10095 /* can be retrieved by unprivileged users */
10096 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10097 NL80211_FLAG_NEED_RTNL
,
10100 .cmd
= NL80211_CMD_SET_WOWLAN
,
10101 .doit
= nl80211_set_wowlan
,
10102 .policy
= nl80211_policy
,
10103 .flags
= GENL_ADMIN_PERM
,
10104 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10105 NL80211_FLAG_NEED_RTNL
,
10109 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10110 .doit
= nl80211_set_rekey_data
,
10111 .policy
= nl80211_policy
,
10112 .flags
= GENL_ADMIN_PERM
,
10113 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10114 NL80211_FLAG_NEED_RTNL
|
10115 NL80211_FLAG_CLEAR_SKB
,
10118 .cmd
= NL80211_CMD_TDLS_MGMT
,
10119 .doit
= nl80211_tdls_mgmt
,
10120 .policy
= nl80211_policy
,
10121 .flags
= GENL_ADMIN_PERM
,
10122 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10123 NL80211_FLAG_NEED_RTNL
,
10126 .cmd
= NL80211_CMD_TDLS_OPER
,
10127 .doit
= nl80211_tdls_oper
,
10128 .policy
= nl80211_policy
,
10129 .flags
= GENL_ADMIN_PERM
,
10130 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10131 NL80211_FLAG_NEED_RTNL
,
10134 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10135 .doit
= nl80211_register_unexpected_frame
,
10136 .policy
= nl80211_policy
,
10137 .flags
= GENL_ADMIN_PERM
,
10138 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10139 NL80211_FLAG_NEED_RTNL
,
10142 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10143 .doit
= nl80211_probe_client
,
10144 .policy
= nl80211_policy
,
10145 .flags
= GENL_ADMIN_PERM
,
10146 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10147 NL80211_FLAG_NEED_RTNL
,
10150 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
10151 .doit
= nl80211_register_beacons
,
10152 .policy
= nl80211_policy
,
10153 .flags
= GENL_ADMIN_PERM
,
10154 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10155 NL80211_FLAG_NEED_RTNL
,
10158 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10159 .doit
= nl80211_set_noack_map
,
10160 .policy
= nl80211_policy
,
10161 .flags
= GENL_ADMIN_PERM
,
10162 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10163 NL80211_FLAG_NEED_RTNL
,
10166 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10167 .doit
= nl80211_start_p2p_device
,
10168 .policy
= nl80211_policy
,
10169 .flags
= GENL_ADMIN_PERM
,
10170 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10171 NL80211_FLAG_NEED_RTNL
,
10174 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10175 .doit
= nl80211_stop_p2p_device
,
10176 .policy
= nl80211_policy
,
10177 .flags
= GENL_ADMIN_PERM
,
10178 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10179 NL80211_FLAG_NEED_RTNL
,
10182 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10183 .doit
= nl80211_set_mcast_rate
,
10184 .policy
= nl80211_policy
,
10185 .flags
= GENL_ADMIN_PERM
,
10186 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10187 NL80211_FLAG_NEED_RTNL
,
10190 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10191 .doit
= nl80211_set_mac_acl
,
10192 .policy
= nl80211_policy
,
10193 .flags
= GENL_ADMIN_PERM
,
10194 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10195 NL80211_FLAG_NEED_RTNL
,
10198 .cmd
= NL80211_CMD_RADAR_DETECT
,
10199 .doit
= nl80211_start_radar_detection
,
10200 .policy
= nl80211_policy
,
10201 .flags
= GENL_ADMIN_PERM
,
10202 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10203 NL80211_FLAG_NEED_RTNL
,
10206 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10207 .doit
= nl80211_get_protocol_features
,
10208 .policy
= nl80211_policy
,
10211 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10212 .doit
= nl80211_update_ft_ies
,
10213 .policy
= nl80211_policy
,
10214 .flags
= GENL_ADMIN_PERM
,
10215 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10216 NL80211_FLAG_NEED_RTNL
,
10219 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10220 .doit
= nl80211_crit_protocol_start
,
10221 .policy
= nl80211_policy
,
10222 .flags
= GENL_ADMIN_PERM
,
10223 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10224 NL80211_FLAG_NEED_RTNL
,
10227 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10228 .doit
= nl80211_crit_protocol_stop
,
10229 .policy
= nl80211_policy
,
10230 .flags
= GENL_ADMIN_PERM
,
10231 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10232 NL80211_FLAG_NEED_RTNL
,
10235 .cmd
= NL80211_CMD_GET_COALESCE
,
10236 .doit
= nl80211_get_coalesce
,
10237 .policy
= nl80211_policy
,
10238 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10239 NL80211_FLAG_NEED_RTNL
,
10242 .cmd
= NL80211_CMD_SET_COALESCE
,
10243 .doit
= nl80211_set_coalesce
,
10244 .policy
= nl80211_policy
,
10245 .flags
= GENL_ADMIN_PERM
,
10246 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10247 NL80211_FLAG_NEED_RTNL
,
10250 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10251 .doit
= nl80211_channel_switch
,
10252 .policy
= nl80211_policy
,
10253 .flags
= GENL_ADMIN_PERM
,
10254 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10255 NL80211_FLAG_NEED_RTNL
,
10258 .cmd
= NL80211_CMD_VENDOR
,
10259 .doit
= nl80211_vendor_cmd
,
10260 .policy
= nl80211_policy
,
10261 .flags
= GENL_ADMIN_PERM
,
10262 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10263 NL80211_FLAG_NEED_RTNL
,
10266 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10267 .doit
= nl80211_set_qos_map
,
10268 .policy
= nl80211_policy
,
10269 .flags
= GENL_ADMIN_PERM
,
10270 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10271 NL80211_FLAG_NEED_RTNL
,
10274 .cmd
= NL80211_CMD_ADD_TX_TS
,
10275 .doit
= nl80211_add_tx_ts
,
10276 .policy
= nl80211_policy
,
10277 .flags
= GENL_ADMIN_PERM
,
10278 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10279 NL80211_FLAG_NEED_RTNL
,
10282 .cmd
= NL80211_CMD_DEL_TX_TS
,
10283 .doit
= nl80211_del_tx_ts
,
10284 .policy
= nl80211_policy
,
10285 .flags
= GENL_ADMIN_PERM
,
10286 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10287 NL80211_FLAG_NEED_RTNL
,
10291 /* notification functions */
10293 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10294 enum nl80211_commands cmd
)
10296 struct sk_buff
*msg
;
10297 struct nl80211_dump_wiphy_state state
= {};
10299 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10300 cmd
!= NL80211_CMD_DEL_WIPHY
);
10302 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10306 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10311 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10312 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10315 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10316 struct cfg80211_registered_device
*rdev
)
10318 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10319 struct nlattr
*nest
;
10325 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10327 goto nla_put_failure
;
10328 for (i
= 0; i
< req
->n_ssids
; i
++) {
10329 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10330 goto nla_put_failure
;
10332 nla_nest_end(msg
, nest
);
10334 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10336 goto nla_put_failure
;
10337 for (i
= 0; i
< req
->n_channels
; i
++) {
10338 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10339 goto nla_put_failure
;
10341 nla_nest_end(msg
, nest
);
10344 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10345 goto nla_put_failure
;
10348 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10349 goto nla_put_failure
;
10356 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10357 struct cfg80211_registered_device
*rdev
,
10358 struct wireless_dev
*wdev
,
10359 u32 portid
, u32 seq
, int flags
,
10364 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10368 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10369 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10370 wdev
->netdev
->ifindex
)) ||
10371 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10372 goto nla_put_failure
;
10374 /* ignore errors and send incomplete event anyway */
10375 nl80211_add_scan_req(msg
, rdev
);
10377 return genlmsg_end(msg
, hdr
);
10380 genlmsg_cancel(msg
, hdr
);
10385 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10386 struct cfg80211_registered_device
*rdev
,
10387 struct net_device
*netdev
,
10388 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10392 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10396 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10397 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10398 goto nla_put_failure
;
10400 return genlmsg_end(msg
, hdr
);
10403 genlmsg_cancel(msg
, hdr
);
10407 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10408 struct wireless_dev
*wdev
)
10410 struct sk_buff
*msg
;
10412 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10416 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10417 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10422 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10423 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10426 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10427 struct wireless_dev
*wdev
, bool aborted
)
10429 struct sk_buff
*msg
;
10431 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10435 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10436 aborted
? NL80211_CMD_SCAN_ABORTED
:
10437 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10445 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10446 struct sk_buff
*msg
)
10451 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10452 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10455 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10456 struct net_device
*netdev
)
10458 struct sk_buff
*msg
;
10460 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10464 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10465 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10470 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10471 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10474 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10475 struct net_device
*netdev
, u32 cmd
)
10477 struct sk_buff
*msg
;
10479 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10483 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10488 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10489 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10493 * This can happen on global regulatory changes or device specific settings
10494 * based on custom world regulatory domains.
10496 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10498 struct sk_buff
*msg
;
10501 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10505 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10511 /* Userspace can always count this one always being set */
10512 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10513 goto nla_put_failure
;
10515 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10516 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10517 NL80211_REGDOM_TYPE_WORLD
))
10518 goto nla_put_failure
;
10519 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10520 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10521 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10522 goto nla_put_failure
;
10523 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10524 request
->intersect
) {
10525 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10526 NL80211_REGDOM_TYPE_INTERSECTION
))
10527 goto nla_put_failure
;
10529 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10530 NL80211_REGDOM_TYPE_COUNTRY
) ||
10531 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10533 goto nla_put_failure
;
10536 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10537 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10538 goto nla_put_failure
;
10540 genlmsg_end(msg
, hdr
);
10543 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10544 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10550 genlmsg_cancel(msg
, hdr
);
10554 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
10555 struct net_device
*netdev
,
10556 const u8
*buf
, size_t len
,
10557 enum nl80211_commands cmd
, gfp_t gfp
,
10560 struct sk_buff
*msg
;
10563 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10567 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10573 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10574 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10575 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10576 goto nla_put_failure
;
10578 if (uapsd_queues
>= 0) {
10579 struct nlattr
*nla_wmm
=
10580 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
10582 goto nla_put_failure
;
10584 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
10586 goto nla_put_failure
;
10588 nla_nest_end(msg
, nla_wmm
);
10591 genlmsg_end(msg
, hdr
);
10593 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10594 NL80211_MCGRP_MLME
, gfp
);
10598 genlmsg_cancel(msg
, hdr
);
10602 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
10603 struct net_device
*netdev
, const u8
*buf
,
10604 size_t len
, gfp_t gfp
)
10606 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10607 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
10610 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
10611 struct net_device
*netdev
, const u8
*buf
,
10612 size_t len
, gfp_t gfp
, int uapsd_queues
)
10614 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10615 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
10618 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
10619 struct net_device
*netdev
, const u8
*buf
,
10620 size_t len
, gfp_t gfp
)
10622 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10623 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
10626 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
10627 struct net_device
*netdev
, const u8
*buf
,
10628 size_t len
, gfp_t gfp
)
10630 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10631 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
10634 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
10637 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10638 struct wiphy
*wiphy
= wdev
->wiphy
;
10639 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10640 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
10643 if (WARN_ON(len
< 2))
10646 if (ieee80211_is_deauth(mgmt
->frame_control
))
10647 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
10649 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
10651 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
10652 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
10654 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
10656 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
10657 struct net_device
*netdev
, int cmd
,
10658 const u8
*addr
, gfp_t gfp
)
10660 struct sk_buff
*msg
;
10663 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10667 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10673 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10674 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10675 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
10676 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10677 goto nla_put_failure
;
10679 genlmsg_end(msg
, hdr
);
10681 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10682 NL80211_MCGRP_MLME
, gfp
);
10686 genlmsg_cancel(msg
, hdr
);
10690 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10691 struct net_device
*netdev
, const u8
*addr
,
10694 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10698 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10699 struct net_device
*netdev
, const u8
*addr
,
10702 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10706 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10707 struct net_device
*netdev
, const u8
*bssid
,
10708 const u8
*req_ie
, size_t req_ie_len
,
10709 const u8
*resp_ie
, size_t resp_ie_len
,
10710 u16 status
, gfp_t gfp
)
10712 struct sk_buff
*msg
;
10715 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10719 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10725 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10726 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10727 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10728 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10730 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10732 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10733 goto nla_put_failure
;
10735 genlmsg_end(msg
, hdr
);
10737 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10738 NL80211_MCGRP_MLME
, gfp
);
10742 genlmsg_cancel(msg
, hdr
);
10747 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10748 struct net_device
*netdev
, const u8
*bssid
,
10749 const u8
*req_ie
, size_t req_ie_len
,
10750 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10752 struct sk_buff
*msg
;
10755 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10759 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10765 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10766 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10767 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10769 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10771 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10772 goto nla_put_failure
;
10774 genlmsg_end(msg
, hdr
);
10776 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10777 NL80211_MCGRP_MLME
, gfp
);
10781 genlmsg_cancel(msg
, hdr
);
10786 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10787 struct net_device
*netdev
, u16 reason
,
10788 const u8
*ie
, size_t ie_len
, bool from_ap
)
10790 struct sk_buff
*msg
;
10793 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10797 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10803 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10804 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10805 (from_ap
&& reason
&&
10806 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10808 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10809 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10810 goto nla_put_failure
;
10812 genlmsg_end(msg
, hdr
);
10814 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10815 NL80211_MCGRP_MLME
, GFP_KERNEL
);
10819 genlmsg_cancel(msg
, hdr
);
10824 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10825 struct net_device
*netdev
, const u8
*bssid
,
10828 struct sk_buff
*msg
;
10831 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10835 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10841 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10842 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10843 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10844 goto nla_put_failure
;
10846 genlmsg_end(msg
, hdr
);
10848 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10849 NL80211_MCGRP_MLME
, gfp
);
10853 genlmsg_cancel(msg
, hdr
);
10857 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10858 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10860 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10861 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
10862 struct sk_buff
*msg
;
10865 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10868 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10870 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10874 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10880 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10881 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10882 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10884 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10885 goto nla_put_failure
;
10887 genlmsg_end(msg
, hdr
);
10889 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10890 NL80211_MCGRP_MLME
, gfp
);
10894 genlmsg_cancel(msg
, hdr
);
10897 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10899 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10900 struct net_device
*netdev
, const u8
*addr
,
10901 enum nl80211_key_type key_type
, int key_id
,
10902 const u8
*tsc
, gfp_t gfp
)
10904 struct sk_buff
*msg
;
10907 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10911 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10917 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10918 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10919 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10920 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10922 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10923 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10924 goto nla_put_failure
;
10926 genlmsg_end(msg
, hdr
);
10928 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10929 NL80211_MCGRP_MLME
, gfp
);
10933 genlmsg_cancel(msg
, hdr
);
10937 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10938 struct ieee80211_channel
*channel_before
,
10939 struct ieee80211_channel
*channel_after
)
10941 struct sk_buff
*msg
;
10943 struct nlattr
*nl_freq
;
10945 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10949 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10956 * Since we are applying the beacon hint to a wiphy we know its
10957 * wiphy_idx is valid
10959 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10960 goto nla_put_failure
;
10963 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10965 goto nla_put_failure
;
10966 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10967 goto nla_put_failure
;
10968 nla_nest_end(msg
, nl_freq
);
10971 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10973 goto nla_put_failure
;
10974 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10975 goto nla_put_failure
;
10976 nla_nest_end(msg
, nl_freq
);
10978 genlmsg_end(msg
, hdr
);
10981 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10982 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10988 genlmsg_cancel(msg
, hdr
);
10992 static void nl80211_send_remain_on_chan_event(
10993 int cmd
, struct cfg80211_registered_device
*rdev
,
10994 struct wireless_dev
*wdev
, u64 cookie
,
10995 struct ieee80211_channel
*chan
,
10996 unsigned int duration
, gfp_t gfp
)
10998 struct sk_buff
*msg
;
11001 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11005 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11011 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11012 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11013 wdev
->netdev
->ifindex
)) ||
11014 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11015 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11016 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11017 NL80211_CHAN_NO_HT
) ||
11018 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11019 goto nla_put_failure
;
11021 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11022 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11023 goto nla_put_failure
;
11025 genlmsg_end(msg
, hdr
);
11027 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11028 NL80211_MCGRP_MLME
, gfp
);
11032 genlmsg_cancel(msg
, hdr
);
11036 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11037 struct ieee80211_channel
*chan
,
11038 unsigned int duration
, gfp_t gfp
)
11040 struct wiphy
*wiphy
= wdev
->wiphy
;
11041 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11043 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11044 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11045 rdev
, wdev
, cookie
, chan
,
11048 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11050 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11051 struct ieee80211_channel
*chan
,
11054 struct wiphy
*wiphy
= wdev
->wiphy
;
11055 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11057 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11058 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11059 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11061 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11063 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11064 struct station_info
*sinfo
, gfp_t gfp
)
11066 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11067 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11068 struct sk_buff
*msg
;
11070 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11072 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11076 if (nl80211_send_station(msg
, 0, 0, 0,
11077 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11082 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11083 NL80211_MCGRP_MLME
, gfp
);
11085 EXPORT_SYMBOL(cfg80211_new_sta
);
11087 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
11089 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11090 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11091 struct sk_buff
*msg
;
11094 trace_cfg80211_del_sta(dev
, mac_addr
);
11096 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11100 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
11106 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11107 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
11108 goto nla_put_failure
;
11110 genlmsg_end(msg
, hdr
);
11112 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11113 NL80211_MCGRP_MLME
, gfp
);
11117 genlmsg_cancel(msg
, hdr
);
11120 EXPORT_SYMBOL(cfg80211_del_sta
);
11122 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11123 enum nl80211_connect_failed_reason reason
,
11126 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11127 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11128 struct sk_buff
*msg
;
11131 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11135 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11141 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11142 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11143 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11144 goto nla_put_failure
;
11146 genlmsg_end(msg
, hdr
);
11148 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11149 NL80211_MCGRP_MLME
, gfp
);
11153 genlmsg_cancel(msg
, hdr
);
11156 EXPORT_SYMBOL(cfg80211_conn_failed
);
11158 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11159 const u8
*addr
, gfp_t gfp
)
11161 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11162 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11163 struct sk_buff
*msg
;
11165 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11170 msg
= nlmsg_new(100, gfp
);
11174 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11180 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11181 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11182 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11183 goto nla_put_failure
;
11185 genlmsg_end(msg
, hdr
);
11186 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11190 genlmsg_cancel(msg
, hdr
);
11195 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11196 const u8
*addr
, gfp_t gfp
)
11198 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11201 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11203 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11204 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11205 trace_cfg80211_return_bool(false);
11208 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11210 trace_cfg80211_return_bool(ret
);
11213 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11215 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11216 const u8
*addr
, gfp_t gfp
)
11218 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11221 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11223 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11224 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11225 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11226 trace_cfg80211_return_bool(false);
11229 ret
= __nl80211_unexpected_frame(dev
,
11230 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11232 trace_cfg80211_return_bool(ret
);
11235 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11237 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11238 struct wireless_dev
*wdev
, u32 nlportid
,
11239 int freq
, int sig_dbm
,
11240 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11242 struct net_device
*netdev
= wdev
->netdev
;
11243 struct sk_buff
*msg
;
11246 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11250 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11256 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11257 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11258 netdev
->ifindex
)) ||
11259 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11260 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11262 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11263 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11265 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11266 goto nla_put_failure
;
11268 genlmsg_end(msg
, hdr
);
11270 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11273 genlmsg_cancel(msg
, hdr
);
11278 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11279 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11281 struct wiphy
*wiphy
= wdev
->wiphy
;
11282 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11283 struct net_device
*netdev
= wdev
->netdev
;
11284 struct sk_buff
*msg
;
11287 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11289 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11293 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11299 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11300 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11301 netdev
->ifindex
)) ||
11302 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11303 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11304 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11305 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11306 goto nla_put_failure
;
11308 genlmsg_end(msg
, hdr
);
11310 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11311 NL80211_MCGRP_MLME
, gfp
);
11315 genlmsg_cancel(msg
, hdr
);
11318 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11320 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11321 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11324 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11325 struct wiphy
*wiphy
= wdev
->wiphy
;
11326 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11327 struct sk_buff
*msg
;
11328 struct nlattr
*pinfoattr
;
11331 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11333 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11337 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11343 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11344 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11345 goto nla_put_failure
;
11347 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11349 goto nla_put_failure
;
11351 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11353 goto nla_put_failure
;
11355 nla_nest_end(msg
, pinfoattr
);
11357 genlmsg_end(msg
, hdr
);
11359 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11360 NL80211_MCGRP_MLME
, gfp
);
11364 genlmsg_cancel(msg
, hdr
);
11367 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11369 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
11370 struct net_device
*netdev
, const u8
*bssid
,
11371 const u8
*replay_ctr
, gfp_t gfp
)
11373 struct sk_buff
*msg
;
11374 struct nlattr
*rekey_attr
;
11377 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11381 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
11387 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11388 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11389 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11390 goto nla_put_failure
;
11392 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
11394 goto nla_put_failure
;
11396 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
11397 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
11398 goto nla_put_failure
;
11400 nla_nest_end(msg
, rekey_attr
);
11402 genlmsg_end(msg
, hdr
);
11404 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11405 NL80211_MCGRP_MLME
, gfp
);
11409 genlmsg_cancel(msg
, hdr
);
11413 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
11414 const u8
*replay_ctr
, gfp_t gfp
)
11416 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11417 struct wiphy
*wiphy
= wdev
->wiphy
;
11418 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11420 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11421 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11423 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11426 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11427 struct net_device
*netdev
, int index
,
11428 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11430 struct sk_buff
*msg
;
11431 struct nlattr
*attr
;
11434 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11438 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11444 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11445 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11446 goto nla_put_failure
;
11448 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11450 goto nla_put_failure
;
11452 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
11453 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
11455 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
11456 goto nla_put_failure
;
11458 nla_nest_end(msg
, attr
);
11460 genlmsg_end(msg
, hdr
);
11462 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11463 NL80211_MCGRP_MLME
, gfp
);
11467 genlmsg_cancel(msg
, hdr
);
11471 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
11472 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11474 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11475 struct wiphy
*wiphy
= wdev
->wiphy
;
11476 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11478 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
11479 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
11481 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
11483 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
11484 struct net_device
*netdev
,
11485 struct cfg80211_chan_def
*chandef
,
11488 struct sk_buff
*msg
;
11491 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11495 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
11501 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11502 goto nla_put_failure
;
11504 if (nl80211_send_chandef(msg
, chandef
))
11505 goto nla_put_failure
;
11507 genlmsg_end(msg
, hdr
);
11509 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11510 NL80211_MCGRP_MLME
, gfp
);
11514 genlmsg_cancel(msg
, hdr
);
11518 void cfg80211_ch_switch_notify(struct net_device
*dev
,
11519 struct cfg80211_chan_def
*chandef
)
11521 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11522 struct wiphy
*wiphy
= wdev
->wiphy
;
11523 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11525 ASSERT_WDEV_LOCK(wdev
);
11527 trace_cfg80211_ch_switch_notify(dev
, chandef
);
11529 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11530 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11531 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
11532 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11535 wdev
->chandef
= *chandef
;
11536 wdev
->preset_chandef
= *chandef
;
11537 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
11539 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
11541 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11542 const u8
*peer
, u32 num_packets
,
11543 u32 rate
, u32 intvl
, gfp_t gfp
)
11545 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11546 struct wiphy
*wiphy
= wdev
->wiphy
;
11547 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11548 struct sk_buff
*msg
;
11549 struct nlattr
*pinfoattr
;
11552 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11556 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11562 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11563 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11564 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11565 goto nla_put_failure
;
11567 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11569 goto nla_put_failure
;
11571 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11572 goto nla_put_failure
;
11574 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11575 goto nla_put_failure
;
11577 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11578 goto nla_put_failure
;
11580 nla_nest_end(msg
, pinfoattr
);
11582 genlmsg_end(msg
, hdr
);
11584 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11585 NL80211_MCGRP_MLME
, gfp
);
11589 genlmsg_cancel(msg
, hdr
);
11592 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11595 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
11596 const struct cfg80211_chan_def
*chandef
,
11597 enum nl80211_radar_event event
,
11598 struct net_device
*netdev
, gfp_t gfp
)
11600 struct sk_buff
*msg
;
11603 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11607 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
11613 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
11614 goto nla_put_failure
;
11616 /* NOP and radar events don't need a netdev parameter */
11618 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
11620 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11621 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11622 goto nla_put_failure
;
11625 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
11626 goto nla_put_failure
;
11628 if (nl80211_send_chandef(msg
, chandef
))
11629 goto nla_put_failure
;
11631 genlmsg_end(msg
, hdr
);
11633 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11634 NL80211_MCGRP_MLME
, gfp
);
11638 genlmsg_cancel(msg
, hdr
);
11642 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11643 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11645 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11646 struct wiphy
*wiphy
= wdev
->wiphy
;
11647 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11648 struct sk_buff
*msg
;
11649 struct nlattr
*pinfoattr
;
11652 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11654 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11658 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11664 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11665 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11666 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11667 goto nla_put_failure
;
11669 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11671 goto nla_put_failure
;
11673 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11674 goto nla_put_failure
;
11676 nla_nest_end(msg
, pinfoattr
);
11678 genlmsg_end(msg
, hdr
);
11680 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11681 NL80211_MCGRP_MLME
, gfp
);
11685 genlmsg_cancel(msg
, hdr
);
11688 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11690 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11691 u64 cookie
, bool acked
, gfp_t gfp
)
11693 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11694 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11695 struct sk_buff
*msg
;
11698 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11700 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11705 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11711 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11712 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11713 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11714 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11715 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11716 goto nla_put_failure
;
11718 genlmsg_end(msg
, hdr
);
11720 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11721 NL80211_MCGRP_MLME
, gfp
);
11725 genlmsg_cancel(msg
, hdr
);
11728 EXPORT_SYMBOL(cfg80211_probe_status
);
11730 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11731 const u8
*frame
, size_t len
,
11732 int freq
, int sig_dbm
)
11734 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11735 struct sk_buff
*msg
;
11737 struct cfg80211_beacon_registration
*reg
;
11739 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11741 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11742 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11743 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11745 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11749 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11751 goto nla_put_failure
;
11753 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11755 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11757 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11758 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11759 goto nla_put_failure
;
11761 genlmsg_end(msg
, hdr
);
11763 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11765 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11769 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11771 genlmsg_cancel(msg
, hdr
);
11774 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11777 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11778 struct cfg80211_wowlan_wakeup
*wakeup
,
11781 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11782 struct sk_buff
*msg
;
11786 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11789 size
+= wakeup
->packet_present_len
;
11791 msg
= nlmsg_new(size
, gfp
);
11795 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11799 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11800 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11803 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11804 wdev
->netdev
->ifindex
))
11808 struct nlattr
*reasons
;
11810 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11814 if (wakeup
->disconnect
&&
11815 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11817 if (wakeup
->magic_pkt
&&
11818 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11820 if (wakeup
->gtk_rekey_failure
&&
11821 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11823 if (wakeup
->eap_identity_req
&&
11824 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11826 if (wakeup
->four_way_handshake
&&
11827 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11829 if (wakeup
->rfkill_release
&&
11830 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11833 if (wakeup
->pattern_idx
>= 0 &&
11834 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11835 wakeup
->pattern_idx
))
11838 if (wakeup
->tcp_match
&&
11839 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
11842 if (wakeup
->tcp_connlost
&&
11843 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
11846 if (wakeup
->tcp_nomoretokens
&&
11848 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
11851 if (wakeup
->packet
) {
11852 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11853 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11855 if (!wakeup
->packet_80211
) {
11857 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11859 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11862 if (wakeup
->packet_len
&&
11863 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11866 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11871 nla_nest_end(msg
, reasons
);
11874 genlmsg_end(msg
, hdr
);
11876 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11877 NL80211_MCGRP_MLME
, gfp
);
11883 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11886 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11887 enum nl80211_tdls_operation oper
,
11888 u16 reason_code
, gfp_t gfp
)
11890 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11891 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11892 struct sk_buff
*msg
;
11895 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11898 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11902 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11908 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11909 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11910 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11911 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11912 (reason_code
> 0 &&
11913 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
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_tdls_oper_request
);
11928 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11929 unsigned long state
,
11932 struct netlink_notify
*notify
= _notify
;
11933 struct cfg80211_registered_device
*rdev
;
11934 struct wireless_dev
*wdev
;
11935 struct cfg80211_beacon_registration
*reg
, *tmp
;
11937 if (state
!= NETLINK_URELEASE
)
11938 return NOTIFY_DONE
;
11942 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11943 bool schedule_destroy_work
= false;
11945 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
11946 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11948 if (wdev
->owner_nlportid
== notify
->portid
)
11949 schedule_destroy_work
= true;
11952 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11953 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11955 if (reg
->nlportid
== notify
->portid
) {
11956 list_del(®
->list
);
11961 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11963 if (schedule_destroy_work
) {
11964 struct cfg80211_iface_destroy
*destroy
;
11966 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
11968 destroy
->nlportid
= notify
->portid
;
11969 spin_lock(&rdev
->destroy_list_lock
);
11970 list_add(&destroy
->list
, &rdev
->destroy_list
);
11971 spin_unlock(&rdev
->destroy_list_lock
);
11972 schedule_work(&rdev
->destroy_work
);
11982 static struct notifier_block nl80211_netlink_notifier
= {
11983 .notifier_call
= nl80211_netlink_notify
,
11986 void cfg80211_ft_event(struct net_device
*netdev
,
11987 struct cfg80211_ft_event_params
*ft_event
)
11989 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11990 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11991 struct sk_buff
*msg
;
11994 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11996 if (!ft_event
->target_ap
)
11999 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12003 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12007 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12008 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12009 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12012 if (ft_event
->ies
&&
12013 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12015 if (ft_event
->ric_ies
&&
12016 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12017 ft_event
->ric_ies
))
12020 genlmsg_end(msg
, hdr
);
12022 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12023 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12028 EXPORT_SYMBOL(cfg80211_ft_event
);
12030 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12032 struct cfg80211_registered_device
*rdev
;
12033 struct sk_buff
*msg
;
12037 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12038 if (!rdev
->crit_proto_nlportid
)
12041 nlportid
= rdev
->crit_proto_nlportid
;
12042 rdev
->crit_proto_nlportid
= 0;
12044 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12048 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12050 goto nla_put_failure
;
12052 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12053 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12054 goto nla_put_failure
;
12056 genlmsg_end(msg
, hdr
);
12058 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12063 genlmsg_cancel(msg
, hdr
);
12067 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12069 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12071 struct wiphy
*wiphy
= wdev
->wiphy
;
12072 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12073 struct sk_buff
*msg
;
12076 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12080 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12084 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12085 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12086 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12089 genlmsg_end(msg
, hdr
);
12091 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12092 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12098 /* initialisation/exit functions */
12100 int nl80211_init(void)
12104 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12109 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12115 genl_unregister_family(&nl80211_fam
);
12119 void nl80211_exit(void)
12121 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12122 genl_unregister_family(&nl80211_fam
);