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
.features
&
1518 NL80211_FEATURE_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
||
2609 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2610 info
->attrs
[NL80211_ATTR_MAC
]) {
2611 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2613 if (!is_valid_ether_addr(params
.macaddr
))
2614 return -EADDRNOTAVAIL
;
2617 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2618 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2619 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2624 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2628 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2629 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2632 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2633 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2636 wdev
= rdev_add_virtual_intf(rdev
,
2637 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2638 type
, err
? NULL
: &flags
, ¶ms
);
2641 return PTR_ERR(wdev
);
2644 if (info
->attrs
[NL80211_ATTR_IFACE_SOCKET_OWNER
])
2645 wdev
->owner_nlportid
= info
->snd_portid
;
2648 case NL80211_IFTYPE_MESH_POINT
:
2649 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2652 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2653 IEEE80211_MAX_MESH_ID_LEN
);
2654 wdev
->mesh_id_up_len
=
2655 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2656 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2657 wdev
->mesh_id_up_len
);
2660 case NL80211_IFTYPE_P2P_DEVICE
:
2662 * P2P Device doesn't have a netdev, so doesn't go
2663 * through the netdev notifier and must be added here
2665 mutex_init(&wdev
->mtx
);
2666 INIT_LIST_HEAD(&wdev
->event_list
);
2667 spin_lock_init(&wdev
->event_lock
);
2668 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2669 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2671 wdev
->identifier
= ++rdev
->wdev_id
;
2672 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2673 rdev
->devlist_generation
++;
2679 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2685 return genlmsg_reply(msg
, info
);
2688 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2690 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2691 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2693 if (!rdev
->ops
->del_virtual_intf
)
2697 * If we remove a wireless device without a netdev then clear
2698 * user_ptr[1] so that nl80211_post_doit won't dereference it
2699 * to check if it needs to do dev_put(). Otherwise it crashes
2700 * since the wdev has been freed, unlike with a netdev where
2701 * we need the dev_put() for the netdev to really be freed.
2704 info
->user_ptr
[1] = NULL
;
2706 return rdev_del_virtual_intf(rdev
, wdev
);
2709 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2711 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2712 struct net_device
*dev
= info
->user_ptr
[1];
2715 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2718 if (!rdev
->ops
->set_noack_map
)
2721 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2723 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2726 struct get_key_cookie
{
2727 struct sk_buff
*msg
;
2732 static void get_key_callback(void *c
, struct key_params
*params
)
2735 struct get_key_cookie
*cookie
= c
;
2738 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2739 params
->key_len
, params
->key
)) ||
2741 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2742 params
->seq_len
, params
->seq
)) ||
2744 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2746 goto nla_put_failure
;
2748 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2750 goto nla_put_failure
;
2753 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2754 params
->key_len
, params
->key
)) ||
2756 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2757 params
->seq_len
, params
->seq
)) ||
2759 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2761 goto nla_put_failure
;
2763 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2764 goto nla_put_failure
;
2766 nla_nest_end(cookie
->msg
, key
);
2773 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2775 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2777 struct net_device
*dev
= info
->user_ptr
[1];
2779 const u8
*mac_addr
= NULL
;
2781 struct get_key_cookie cookie
= {
2785 struct sk_buff
*msg
;
2787 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2788 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2793 if (info
->attrs
[NL80211_ATTR_MAC
])
2794 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2796 pairwise
= !!mac_addr
;
2797 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2798 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2799 if (kt
>= NUM_NL80211_KEYTYPES
)
2801 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2802 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2804 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2807 if (!rdev
->ops
->get_key
)
2810 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2814 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2815 NL80211_CMD_NEW_KEY
);
2817 goto nla_put_failure
;
2820 cookie
.idx
= key_idx
;
2822 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2823 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2824 goto nla_put_failure
;
2826 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2827 goto nla_put_failure
;
2829 if (pairwise
&& mac_addr
&&
2830 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2833 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2840 goto nla_put_failure
;
2842 genlmsg_end(msg
, hdr
);
2843 return genlmsg_reply(msg
, info
);
2852 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2854 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2855 struct key_parse key
;
2857 struct net_device
*dev
= info
->user_ptr
[1];
2859 err
= nl80211_parse_key(info
, &key
);
2866 /* only support setting default key */
2867 if (!key
.def
&& !key
.defmgmt
)
2870 wdev_lock(dev
->ieee80211_ptr
);
2873 if (!rdev
->ops
->set_default_key
) {
2878 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2882 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2883 key
.def_uni
, key
.def_multi
);
2888 #ifdef CONFIG_CFG80211_WEXT
2889 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2892 if (key
.def_uni
|| !key
.def_multi
) {
2897 if (!rdev
->ops
->set_default_mgmt_key
) {
2902 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2906 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2910 #ifdef CONFIG_CFG80211_WEXT
2911 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2916 wdev_unlock(dev
->ieee80211_ptr
);
2921 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2923 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2925 struct net_device
*dev
= info
->user_ptr
[1];
2926 struct key_parse key
;
2927 const u8
*mac_addr
= NULL
;
2929 err
= nl80211_parse_key(info
, &key
);
2936 if (info
->attrs
[NL80211_ATTR_MAC
])
2937 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2939 if (key
.type
== -1) {
2941 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2943 key
.type
= NL80211_KEYTYPE_GROUP
;
2947 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2948 key
.type
!= NL80211_KEYTYPE_GROUP
)
2951 if (!rdev
->ops
->add_key
)
2954 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2955 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2959 wdev_lock(dev
->ieee80211_ptr
);
2960 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2962 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2963 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2965 wdev_unlock(dev
->ieee80211_ptr
);
2970 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2972 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2974 struct net_device
*dev
= info
->user_ptr
[1];
2975 u8
*mac_addr
= NULL
;
2976 struct key_parse key
;
2978 err
= nl80211_parse_key(info
, &key
);
2982 if (info
->attrs
[NL80211_ATTR_MAC
])
2983 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2985 if (key
.type
== -1) {
2987 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2989 key
.type
= NL80211_KEYTYPE_GROUP
;
2993 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2994 key
.type
!= NL80211_KEYTYPE_GROUP
)
2997 if (!rdev
->ops
->del_key
)
3000 wdev_lock(dev
->ieee80211_ptr
);
3001 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3003 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
3004 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3008 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3009 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3012 #ifdef CONFIG_CFG80211_WEXT
3014 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3015 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3016 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3017 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3020 wdev_unlock(dev
->ieee80211_ptr
);
3025 /* This function returns an error or the number of nested attributes */
3026 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3028 struct nlattr
*attr
;
3029 int n_entries
= 0, tmp
;
3031 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3032 if (nla_len(attr
) != ETH_ALEN
)
3042 * This function parses ACL information and allocates memory for ACL data.
3043 * On successful return, the calling function is responsible to free the
3044 * ACL buffer returned by this function.
3046 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3047 struct genl_info
*info
)
3049 enum nl80211_acl_policy acl_policy
;
3050 struct nlattr
*attr
;
3051 struct cfg80211_acl_data
*acl
;
3052 int i
= 0, n_entries
, tmp
;
3054 if (!wiphy
->max_acl_mac_addrs
)
3055 return ERR_PTR(-EOPNOTSUPP
);
3057 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3058 return ERR_PTR(-EINVAL
);
3060 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3061 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3062 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3063 return ERR_PTR(-EINVAL
);
3065 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3066 return ERR_PTR(-EINVAL
);
3068 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3070 return ERR_PTR(n_entries
);
3072 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3073 return ERR_PTR(-ENOTSUPP
);
3075 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3078 return ERR_PTR(-ENOMEM
);
3080 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3081 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3085 acl
->n_acl_entries
= n_entries
;
3086 acl
->acl_policy
= acl_policy
;
3091 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3093 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3094 struct net_device
*dev
= info
->user_ptr
[1];
3095 struct cfg80211_acl_data
*acl
;
3098 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3099 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3102 if (!dev
->ieee80211_ptr
->beacon_interval
)
3105 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3107 return PTR_ERR(acl
);
3109 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3116 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3117 struct cfg80211_beacon_data
*bcn
)
3119 bool haveinfo
= false;
3121 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3122 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3123 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3124 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3127 memset(bcn
, 0, sizeof(*bcn
));
3129 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3130 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3131 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3137 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3138 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3139 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3146 if (attrs
[NL80211_ATTR_IE
]) {
3147 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3148 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3151 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3152 bcn
->proberesp_ies
=
3153 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3154 bcn
->proberesp_ies_len
=
3155 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3158 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3159 bcn
->assocresp_ies
=
3160 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3161 bcn
->assocresp_ies_len
=
3162 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3165 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3166 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3167 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3173 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3174 struct cfg80211_ap_settings
*params
)
3176 struct wireless_dev
*wdev
;
3179 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3180 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3181 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3184 if (!wdev
->preset_chandef
.chan
)
3187 params
->chandef
= wdev
->preset_chandef
;
3195 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3196 enum nl80211_auth_type auth_type
,
3197 enum nl80211_commands cmd
)
3199 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3203 case NL80211_CMD_AUTHENTICATE
:
3204 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3205 auth_type
== NL80211_AUTHTYPE_SAE
)
3208 case NL80211_CMD_CONNECT
:
3209 case NL80211_CMD_START_AP
:
3210 /* SAE not supported yet */
3211 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3219 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3221 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3222 struct net_device
*dev
= info
->user_ptr
[1];
3223 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3224 struct cfg80211_ap_settings params
;
3227 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3228 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3231 if (!rdev
->ops
->start_ap
)
3234 if (wdev
->beacon_interval
)
3237 memset(¶ms
, 0, sizeof(params
));
3239 /* these are required for START_AP */
3240 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3241 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3242 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3245 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3249 params
.beacon_interval
=
3250 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3251 params
.dtim_period
=
3252 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3254 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3259 * In theory, some of these attributes should be required here
3260 * but since they were not used when the command was originally
3261 * added, keep them optional for old user space programs to let
3262 * them continue to work with drivers that do not need the
3263 * additional information -- drivers must check!
3265 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3266 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3268 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3269 if (params
.ssid_len
== 0 ||
3270 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3274 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3275 params
.hidden_ssid
= nla_get_u32(
3276 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3277 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3278 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3279 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3283 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3285 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3286 params
.auth_type
= nla_get_u32(
3287 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3288 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3289 NL80211_CMD_START_AP
))
3292 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3294 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3295 NL80211_MAX_NR_CIPHER_SUITES
);
3299 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3300 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3302 params
.inactivity_timeout
= nla_get_u16(
3303 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3306 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3307 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3309 params
.p2p_ctwindow
=
3310 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3311 if (params
.p2p_ctwindow
> 127)
3313 if (params
.p2p_ctwindow
!= 0 &&
3314 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3318 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3321 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3323 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3326 params
.p2p_opp_ps
= tmp
;
3327 if (params
.p2p_opp_ps
!= 0 &&
3328 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3332 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3333 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3336 } else if (wdev
->preset_chandef
.chan
) {
3337 params
.chandef
= wdev
->preset_chandef
;
3338 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3341 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3345 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3346 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3347 if (IS_ERR(params
.acl
))
3348 return PTR_ERR(params
.acl
);
3351 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3353 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3354 switch (params
.smps_mode
) {
3355 case NL80211_SMPS_OFF
:
3357 case NL80211_SMPS_STATIC
:
3358 if (!(rdev
->wiphy
.features
&
3359 NL80211_FEATURE_STATIC_SMPS
))
3362 case NL80211_SMPS_DYNAMIC
:
3363 if (!(rdev
->wiphy
.features
&
3364 NL80211_FEATURE_DYNAMIC_SMPS
))
3371 params
.smps_mode
= NL80211_SMPS_OFF
;
3375 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3377 wdev
->preset_chandef
= params
.chandef
;
3378 wdev
->beacon_interval
= params
.beacon_interval
;
3379 wdev
->chandef
= params
.chandef
;
3380 wdev
->ssid_len
= params
.ssid_len
;
3381 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3390 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3392 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3393 struct net_device
*dev
= info
->user_ptr
[1];
3394 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3395 struct cfg80211_beacon_data params
;
3398 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3399 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3402 if (!rdev
->ops
->change_beacon
)
3405 if (!wdev
->beacon_interval
)
3408 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3413 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3419 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3421 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3422 struct net_device
*dev
= info
->user_ptr
[1];
3424 return cfg80211_stop_ap(rdev
, dev
, false);
3427 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3428 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3429 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3430 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3431 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3432 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3433 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3436 static int parse_station_flags(struct genl_info
*info
,
3437 enum nl80211_iftype iftype
,
3438 struct station_parameters
*params
)
3440 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3445 * Try parsing the new attribute first so userspace
3446 * can specify both for older kernels.
3448 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3450 struct nl80211_sta_flag_update
*sta_flags
;
3452 sta_flags
= nla_data(nla
);
3453 params
->sta_flags_mask
= sta_flags
->mask
;
3454 params
->sta_flags_set
= sta_flags
->set
;
3455 params
->sta_flags_set
&= params
->sta_flags_mask
;
3456 if ((params
->sta_flags_mask
|
3457 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3462 /* if present, parse the old attribute */
3464 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3468 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3469 nla
, sta_flags_policy
))
3473 * Only allow certain flags for interface types so that
3474 * other attributes are silently ignored. Remember that
3475 * this is backward compatibility code with old userspace
3476 * and shouldn't be hit in other cases anyway.
3479 case NL80211_IFTYPE_AP
:
3480 case NL80211_IFTYPE_AP_VLAN
:
3481 case NL80211_IFTYPE_P2P_GO
:
3482 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3483 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3484 BIT(NL80211_STA_FLAG_WME
) |
3485 BIT(NL80211_STA_FLAG_MFP
);
3487 case NL80211_IFTYPE_P2P_CLIENT
:
3488 case NL80211_IFTYPE_STATION
:
3489 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3490 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3492 case NL80211_IFTYPE_MESH_POINT
:
3493 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3494 BIT(NL80211_STA_FLAG_MFP
) |
3495 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3500 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3502 params
->sta_flags_set
|= (1<<flag
);
3504 /* no longer support new API additions in old API */
3505 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3513 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3516 struct nlattr
*rate
;
3520 rate
= nla_nest_start(msg
, attr
);
3524 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3525 bitrate
= cfg80211_calculate_bitrate(info
);
3526 /* report 16-bit bitrate only if we can */
3527 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3529 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3531 if (bitrate_compat
> 0 &&
3532 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3535 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3536 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3538 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3539 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3541 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3542 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3544 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3545 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3547 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3549 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3550 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3552 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3553 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3555 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3556 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3558 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3559 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3561 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3562 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3566 nla_nest_end(msg
, rate
);
3570 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3579 attr
= nla_nest_start(msg
, id
);
3583 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3584 if (!(mask
& BIT(i
)))
3587 if (nla_put_u8(msg
, i
, signal
[i
]))
3591 nla_nest_end(msg
, attr
);
3596 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3598 struct cfg80211_registered_device
*rdev
,
3599 struct net_device
*dev
,
3600 const u8
*mac_addr
, struct station_info
*sinfo
)
3603 struct nlattr
*sinfoattr
, *bss_param
;
3605 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3609 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3610 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3611 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3612 goto nla_put_failure
;
3614 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3616 goto nla_put_failure
;
3617 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3618 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3619 sinfo
->connected_time
))
3620 goto nla_put_failure
;
3621 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3622 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3623 sinfo
->inactive_time
))
3624 goto nla_put_failure
;
3625 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3626 STATION_INFO_RX_BYTES64
)) &&
3627 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3628 (u32
)sinfo
->rx_bytes
))
3629 goto nla_put_failure
;
3630 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3631 STATION_INFO_TX_BYTES64
)) &&
3632 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3633 (u32
)sinfo
->tx_bytes
))
3634 goto nla_put_failure
;
3635 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3636 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3638 goto nla_put_failure
;
3639 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3640 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3642 goto nla_put_failure
;
3643 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3644 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3645 goto nla_put_failure
;
3646 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3647 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3648 goto nla_put_failure
;
3649 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3650 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3651 sinfo
->plink_state
))
3652 goto nla_put_failure
;
3653 switch (rdev
->wiphy
.signal_type
) {
3654 case CFG80211_SIGNAL_TYPE_MBM
:
3655 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3656 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3658 goto nla_put_failure
;
3659 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3660 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3662 goto nla_put_failure
;
3667 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3668 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3669 sinfo
->chain_signal
,
3670 NL80211_STA_INFO_CHAIN_SIGNAL
))
3671 goto nla_put_failure
;
3673 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3674 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3675 sinfo
->chain_signal_avg
,
3676 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3677 goto nla_put_failure
;
3679 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3680 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3681 NL80211_STA_INFO_TX_BITRATE
))
3682 goto nla_put_failure
;
3684 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3685 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3686 NL80211_STA_INFO_RX_BITRATE
))
3687 goto nla_put_failure
;
3689 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3690 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3692 goto nla_put_failure
;
3693 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3694 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3696 goto nla_put_failure
;
3697 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3698 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3700 goto nla_put_failure
;
3701 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3702 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3704 goto nla_put_failure
;
3705 if ((sinfo
->filled
& STATION_INFO_EXPECTED_THROUGHPUT
) &&
3706 nla_put_u32(msg
, NL80211_STA_INFO_EXPECTED_THROUGHPUT
,
3707 sinfo
->expected_throughput
))
3708 goto nla_put_failure
;
3709 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3710 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3711 sinfo
->beacon_loss_count
))
3712 goto nla_put_failure
;
3713 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3714 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3716 goto nla_put_failure
;
3717 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3718 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3720 goto nla_put_failure
;
3721 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3722 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3724 goto nla_put_failure
;
3725 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3726 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3728 goto nla_put_failure
;
3730 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3731 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3732 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3733 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3734 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3735 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3736 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3737 sinfo
->bss_param
.dtim_period
) ||
3738 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3739 sinfo
->bss_param
.beacon_interval
))
3740 goto nla_put_failure
;
3742 nla_nest_end(msg
, bss_param
);
3744 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3745 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3746 sizeof(struct nl80211_sta_flag_update
),
3748 goto nla_put_failure
;
3749 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3750 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3752 goto nla_put_failure
;
3753 nla_nest_end(msg
, sinfoattr
);
3755 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3756 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3757 sinfo
->assoc_req_ies
))
3758 goto nla_put_failure
;
3760 return genlmsg_end(msg
, hdr
);
3763 genlmsg_cancel(msg
, hdr
);
3767 static int nl80211_dump_station(struct sk_buff
*skb
,
3768 struct netlink_callback
*cb
)
3770 struct station_info sinfo
;
3771 struct cfg80211_registered_device
*rdev
;
3772 struct wireless_dev
*wdev
;
3773 u8 mac_addr
[ETH_ALEN
];
3774 int sta_idx
= cb
->args
[2];
3777 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3781 if (!wdev
->netdev
) {
3786 if (!rdev
->ops
->dump_station
) {
3792 memset(&sinfo
, 0, sizeof(sinfo
));
3793 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3800 if (nl80211_send_station(skb
,
3801 NETLINK_CB(cb
->skb
).portid
,
3802 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3803 rdev
, wdev
->netdev
, mac_addr
,
3812 cb
->args
[2] = sta_idx
;
3815 nl80211_finish_wdev_dump(rdev
);
3820 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3822 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3823 struct net_device
*dev
= info
->user_ptr
[1];
3824 struct station_info sinfo
;
3825 struct sk_buff
*msg
;
3826 u8
*mac_addr
= NULL
;
3829 memset(&sinfo
, 0, sizeof(sinfo
));
3831 if (!info
->attrs
[NL80211_ATTR_MAC
])
3834 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3836 if (!rdev
->ops
->get_station
)
3839 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3843 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3847 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3848 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3853 return genlmsg_reply(msg
, info
);
3856 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3857 struct station_parameters
*params
,
3858 enum cfg80211_station_type statype
)
3860 if (params
->listen_interval
!= -1)
3863 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3866 /* When you run into this, adjust the code below for the new flag */
3867 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3870 case CFG80211_STA_MESH_PEER_KERNEL
:
3871 case CFG80211_STA_MESH_PEER_USER
:
3873 * No ignoring the TDLS flag here -- the userspace mesh
3874 * code doesn't have the bug of including TDLS in the
3877 if (params
->sta_flags_mask
&
3878 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3879 BIT(NL80211_STA_FLAG_MFP
) |
3880 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3883 case CFG80211_STA_TDLS_PEER_SETUP
:
3884 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3885 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3887 /* ignore since it can't change */
3888 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3891 /* disallow mesh-specific things */
3892 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3894 if (params
->local_pm
)
3896 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3900 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3901 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3902 /* TDLS can't be set, ... */
3903 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3906 * ... but don't bother the driver with it. This works around
3907 * a hostapd/wpa_supplicant issue -- it always includes the
3908 * TLDS_PEER flag in the mask even for AP mode.
3910 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3913 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3914 /* reject other things that can't change */
3915 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3917 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3919 if (params
->supported_rates
)
3921 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3925 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3931 case CFG80211_STA_AP_MLME_CLIENT
:
3932 /* Use this only for authorizing/unauthorizing a station */
3933 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3936 case CFG80211_STA_AP_CLIENT
:
3937 /* accept only the listed bits */
3938 if (params
->sta_flags_mask
&
3939 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3940 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3941 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3942 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3943 BIT(NL80211_STA_FLAG_WME
) |
3944 BIT(NL80211_STA_FLAG_MFP
)))
3947 /* but authenticated/associated only if driver handles it */
3948 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3949 params
->sta_flags_mask
&
3950 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3951 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3954 case CFG80211_STA_IBSS
:
3955 case CFG80211_STA_AP_STA
:
3956 /* reject any changes other than AUTHORIZED */
3957 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3960 case CFG80211_STA_TDLS_PEER_SETUP
:
3961 /* reject any changes other than AUTHORIZED or WME */
3962 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3963 BIT(NL80211_STA_FLAG_WME
)))
3965 /* force (at least) rates when authorizing */
3966 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3967 !params
->supported_rates
)
3970 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3971 /* reject any changes */
3973 case CFG80211_STA_MESH_PEER_KERNEL
:
3974 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3977 case CFG80211_STA_MESH_PEER_USER
:
3978 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3985 EXPORT_SYMBOL(cfg80211_check_station_change
);
3988 * Get vlan interface making sure it is running and on the right wiphy.
3990 static struct net_device
*get_vlan(struct genl_info
*info
,
3991 struct cfg80211_registered_device
*rdev
)
3993 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3994 struct net_device
*v
;
4000 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4002 return ERR_PTR(-ENODEV
);
4004 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4009 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4010 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4011 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4016 if (!netif_running(v
)) {
4024 return ERR_PTR(ret
);
4027 static const struct nla_policy
4028 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4029 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4030 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4033 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4034 struct station_parameters
*params
)
4036 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4040 /* parse WME attributes if present */
4041 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4044 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4045 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4046 nl80211_sta_wme_policy
);
4050 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4051 params
->uapsd_queues
= nla_get_u8(
4052 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4053 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4056 if (tb
[NL80211_STA_WME_MAX_SP
])
4057 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4059 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4062 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4067 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4068 struct station_parameters
*params
)
4070 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4071 params
->supported_channels
=
4072 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4073 params
->supported_channels_len
=
4074 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4076 * Need to include at least one (first channel, number of
4077 * channels) tuple for each subband, and must have proper
4078 * tuples for the rest of the data as well.
4080 if (params
->supported_channels_len
< 2)
4082 if (params
->supported_channels_len
% 2)
4086 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4087 params
->supported_oper_classes
=
4088 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4089 params
->supported_oper_classes_len
=
4090 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4092 * The value of the Length field of the Supported Operating
4093 * Classes element is between 2 and 253.
4095 if (params
->supported_oper_classes_len
< 2 ||
4096 params
->supported_oper_classes_len
> 253)
4102 static int nl80211_set_station_tdls(struct genl_info
*info
,
4103 struct station_parameters
*params
)
4106 /* Dummy STA entry gets updated once the peer capabilities are known */
4107 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4108 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4109 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4111 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4112 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4114 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4116 err
= nl80211_parse_sta_channel_info(info
, params
);
4120 return nl80211_parse_sta_wme(info
, params
);
4123 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4125 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4126 struct net_device
*dev
= info
->user_ptr
[1];
4127 struct station_parameters params
;
4131 memset(¶ms
, 0, sizeof(params
));
4133 params
.listen_interval
= -1;
4135 if (!rdev
->ops
->change_station
)
4138 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4141 if (!info
->attrs
[NL80211_ATTR_MAC
])
4144 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4146 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4147 params
.supported_rates
=
4148 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4149 params
.supported_rates_len
=
4150 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4153 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4155 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4156 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4159 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4161 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4162 params
.ext_capab_len
=
4163 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4166 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4169 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4172 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4173 params
.plink_action
=
4174 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4175 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4179 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4180 params
.plink_state
=
4181 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4182 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4184 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4187 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4188 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4189 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4191 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4192 pm
> NL80211_MESH_POWER_MAX
)
4195 params
.local_pm
= pm
;
4198 /* Include parameters for TDLS peer (will check later) */
4199 err
= nl80211_set_station_tdls(info
, ¶ms
);
4203 params
.vlan
= get_vlan(info
, rdev
);
4204 if (IS_ERR(params
.vlan
))
4205 return PTR_ERR(params
.vlan
);
4207 switch (dev
->ieee80211_ptr
->iftype
) {
4208 case NL80211_IFTYPE_AP
:
4209 case NL80211_IFTYPE_AP_VLAN
:
4210 case NL80211_IFTYPE_P2P_GO
:
4211 case NL80211_IFTYPE_P2P_CLIENT
:
4212 case NL80211_IFTYPE_STATION
:
4213 case NL80211_IFTYPE_ADHOC
:
4214 case NL80211_IFTYPE_MESH_POINT
:
4221 /* driver will call cfg80211_check_station_change() */
4222 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4226 dev_put(params
.vlan
);
4231 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4233 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4235 struct net_device
*dev
= info
->user_ptr
[1];
4236 struct station_parameters params
;
4237 u8
*mac_addr
= NULL
;
4239 memset(¶ms
, 0, sizeof(params
));
4241 if (!rdev
->ops
->add_station
)
4244 if (!info
->attrs
[NL80211_ATTR_MAC
])
4247 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4250 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4253 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4254 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4257 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4258 params
.supported_rates
=
4259 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4260 params
.supported_rates_len
=
4261 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4262 params
.listen_interval
=
4263 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4265 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4266 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4268 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4269 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4272 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4274 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4275 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4278 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4280 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4281 params
.ext_capab_len
=
4282 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4285 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4287 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4289 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4291 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4293 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4294 params
.opmode_notif_used
= true;
4295 params
.opmode_notif
=
4296 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4299 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4300 params
.plink_action
=
4301 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4302 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4306 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4310 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4314 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4317 /* When you run into this, adjust the code below for the new flag */
4318 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4320 switch (dev
->ieee80211_ptr
->iftype
) {
4321 case NL80211_IFTYPE_AP
:
4322 case NL80211_IFTYPE_AP_VLAN
:
4323 case NL80211_IFTYPE_P2P_GO
:
4324 /* ignore WME attributes if iface/sta is not capable */
4325 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4326 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4327 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4329 /* TDLS peers cannot be added */
4330 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4331 info
->attrs
[NL80211_ATTR_PEER_AID
])
4333 /* but don't bother the driver with it */
4334 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4336 /* allow authenticated/associated only if driver handles it */
4337 if (!(rdev
->wiphy
.features
&
4338 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4339 params
.sta_flags_mask
&
4340 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4341 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4344 /* must be last in here for error handling */
4345 params
.vlan
= get_vlan(info
, rdev
);
4346 if (IS_ERR(params
.vlan
))
4347 return PTR_ERR(params
.vlan
);
4349 case NL80211_IFTYPE_MESH_POINT
:
4350 /* ignore uAPSD data */
4351 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4353 /* associated is disallowed */
4354 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4356 /* TDLS peers cannot be added */
4357 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4358 info
->attrs
[NL80211_ATTR_PEER_AID
])
4361 case NL80211_IFTYPE_STATION
:
4362 case NL80211_IFTYPE_P2P_CLIENT
:
4363 /* ignore uAPSD data */
4364 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4366 /* these are disallowed */
4367 if (params
.sta_flags_mask
&
4368 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4369 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4371 /* Only TDLS peers can be added */
4372 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4374 /* Can only add if TDLS ... */
4375 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4377 /* ... with external setup is supported */
4378 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4381 * Older wpa_supplicant versions always mark the TDLS peer
4382 * as authorized, but it shouldn't yet be.
4384 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4390 /* be aware of params.vlan when changing code here */
4392 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4395 dev_put(params
.vlan
);
4399 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4401 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4402 struct net_device
*dev
= info
->user_ptr
[1];
4403 struct station_del_parameters params
;
4405 memset(¶ms
, 0, sizeof(params
));
4407 if (info
->attrs
[NL80211_ATTR_MAC
])
4408 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4410 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4411 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4412 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4413 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4416 if (!rdev
->ops
->del_station
)
4419 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4421 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4422 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4423 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4426 /* Default to Deauthentication frame */
4427 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4430 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4431 params
.reason_code
=
4432 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4433 if (params
.reason_code
== 0)
4434 return -EINVAL
; /* 0 is reserved */
4436 /* Default to reason code 2 */
4437 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4440 return rdev_del_station(rdev
, dev
, ¶ms
);
4443 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4444 int flags
, struct net_device
*dev
,
4445 u8
*dst
, u8
*next_hop
,
4446 struct mpath_info
*pinfo
)
4449 struct nlattr
*pinfoattr
;
4451 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4455 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4456 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4457 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4458 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4459 goto nla_put_failure
;
4461 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4463 goto nla_put_failure
;
4464 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4465 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4467 goto nla_put_failure
;
4468 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4469 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4470 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4471 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4473 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4474 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4476 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4477 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4479 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4480 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4481 pinfo
->discovery_timeout
)) ||
4482 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4483 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4484 pinfo
->discovery_retries
)))
4485 goto nla_put_failure
;
4487 nla_nest_end(msg
, pinfoattr
);
4489 return genlmsg_end(msg
, hdr
);
4492 genlmsg_cancel(msg
, hdr
);
4496 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4497 struct netlink_callback
*cb
)
4499 struct mpath_info pinfo
;
4500 struct cfg80211_registered_device
*rdev
;
4501 struct wireless_dev
*wdev
;
4503 u8 next_hop
[ETH_ALEN
];
4504 int path_idx
= cb
->args
[2];
4507 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4511 if (!rdev
->ops
->dump_mpath
) {
4516 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4522 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4529 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4530 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4531 wdev
->netdev
, dst
, next_hop
,
4540 cb
->args
[2] = path_idx
;
4543 nl80211_finish_wdev_dump(rdev
);
4547 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4549 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4551 struct net_device
*dev
= info
->user_ptr
[1];
4552 struct mpath_info pinfo
;
4553 struct sk_buff
*msg
;
4555 u8 next_hop
[ETH_ALEN
];
4557 memset(&pinfo
, 0, sizeof(pinfo
));
4559 if (!info
->attrs
[NL80211_ATTR_MAC
])
4562 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4564 if (!rdev
->ops
->get_mpath
)
4567 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4570 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4574 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4578 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4579 dev
, dst
, next_hop
, &pinfo
) < 0) {
4584 return genlmsg_reply(msg
, info
);
4587 static int nl80211_set_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
->change_mpath
)
4606 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4609 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4612 static int nl80211_new_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];
4617 u8
*next_hop
= NULL
;
4619 if (!info
->attrs
[NL80211_ATTR_MAC
])
4622 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4625 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4626 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4628 if (!rdev
->ops
->add_mpath
)
4631 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4634 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4637 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4639 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4640 struct net_device
*dev
= info
->user_ptr
[1];
4643 if (info
->attrs
[NL80211_ATTR_MAC
])
4644 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4646 if (!rdev
->ops
->del_mpath
)
4649 return rdev_del_mpath(rdev
, dev
, dst
);
4652 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4654 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4656 struct net_device
*dev
= info
->user_ptr
[1];
4657 struct mpath_info pinfo
;
4658 struct sk_buff
*msg
;
4662 memset(&pinfo
, 0, sizeof(pinfo
));
4664 if (!info
->attrs
[NL80211_ATTR_MAC
])
4667 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4669 if (!rdev
->ops
->get_mpp
)
4672 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4675 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4679 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4683 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4684 dev
, dst
, mpp
, &pinfo
) < 0) {
4689 return genlmsg_reply(msg
, info
);
4692 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4693 struct netlink_callback
*cb
)
4695 struct mpath_info pinfo
;
4696 struct cfg80211_registered_device
*rdev
;
4697 struct wireless_dev
*wdev
;
4700 int path_idx
= cb
->args
[2];
4703 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4707 if (!rdev
->ops
->dump_mpp
) {
4712 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4718 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4725 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4726 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4727 wdev
->netdev
, dst
, mpp
,
4735 cb
->args
[2] = path_idx
;
4738 nl80211_finish_wdev_dump(rdev
);
4742 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4744 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4745 struct net_device
*dev
= info
->user_ptr
[1];
4746 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4747 struct bss_parameters params
;
4750 memset(¶ms
, 0, sizeof(params
));
4751 /* default to not changing parameters */
4752 params
.use_cts_prot
= -1;
4753 params
.use_short_preamble
= -1;
4754 params
.use_short_slot_time
= -1;
4755 params
.ap_isolate
= -1;
4756 params
.ht_opmode
= -1;
4757 params
.p2p_ctwindow
= -1;
4758 params
.p2p_opp_ps
= -1;
4760 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4761 params
.use_cts_prot
=
4762 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4763 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4764 params
.use_short_preamble
=
4765 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4766 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4767 params
.use_short_slot_time
=
4768 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4769 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4770 params
.basic_rates
=
4771 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4772 params
.basic_rates_len
=
4773 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4775 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4776 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4777 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4779 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4781 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4782 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4784 params
.p2p_ctwindow
=
4785 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4786 if (params
.p2p_ctwindow
< 0)
4788 if (params
.p2p_ctwindow
!= 0 &&
4789 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4793 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4796 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4798 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4801 params
.p2p_opp_ps
= tmp
;
4802 if (params
.p2p_opp_ps
&&
4803 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4807 if (!rdev
->ops
->change_bss
)
4810 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4811 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4815 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4821 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4822 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4823 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4824 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4825 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4826 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4827 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4828 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4831 static int parse_reg_rule(struct nlattr
*tb
[],
4832 struct ieee80211_reg_rule
*reg_rule
)
4834 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4835 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4837 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4839 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4841 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4843 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4845 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4848 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4850 freq_range
->start_freq_khz
=
4851 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4852 freq_range
->end_freq_khz
=
4853 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4854 freq_range
->max_bandwidth_khz
=
4855 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4857 power_rule
->max_eirp
=
4858 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4860 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4861 power_rule
->max_antenna_gain
=
4862 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4864 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4865 reg_rule
->dfs_cac_ms
=
4866 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4871 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4874 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4877 * You should only get this when cfg80211 hasn't yet initialized
4878 * completely when built-in to the kernel right between the time
4879 * window between nl80211_init() and regulatory_init(), if that is
4882 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4883 return -EINPROGRESS
;
4885 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4886 user_reg_hint_type
=
4887 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4889 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4891 switch (user_reg_hint_type
) {
4892 case NL80211_USER_REG_HINT_USER
:
4893 case NL80211_USER_REG_HINT_CELL_BASE
:
4894 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4897 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4898 return regulatory_hint_user(data
, user_reg_hint_type
);
4899 case NL80211_USER_REG_HINT_INDOOR
:
4900 return regulatory_hint_indoor_user();
4906 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4907 struct genl_info
*info
)
4909 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4910 struct net_device
*dev
= info
->user_ptr
[1];
4911 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4912 struct mesh_config cur_params
;
4915 struct nlattr
*pinfoattr
;
4916 struct sk_buff
*msg
;
4918 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4921 if (!rdev
->ops
->get_mesh_config
)
4925 /* If not connected, get default parameters */
4926 if (!wdev
->mesh_id_len
)
4927 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4929 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4935 /* Draw up a netlink message to send back */
4936 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4939 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4940 NL80211_CMD_GET_MESH_CONFIG
);
4943 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4945 goto nla_put_failure
;
4946 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4947 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4948 cur_params
.dot11MeshRetryTimeout
) ||
4949 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4950 cur_params
.dot11MeshConfirmTimeout
) ||
4951 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4952 cur_params
.dot11MeshHoldingTimeout
) ||
4953 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4954 cur_params
.dot11MeshMaxPeerLinks
) ||
4955 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4956 cur_params
.dot11MeshMaxRetries
) ||
4957 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4958 cur_params
.dot11MeshTTL
) ||
4959 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4960 cur_params
.element_ttl
) ||
4961 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4962 cur_params
.auto_open_plinks
) ||
4963 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4964 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4965 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4966 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4967 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4968 cur_params
.path_refresh_time
) ||
4969 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4970 cur_params
.min_discovery_timeout
) ||
4971 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4972 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4973 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4974 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4975 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4976 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4977 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4978 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4979 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4980 cur_params
.dot11MeshHWMPRootMode
) ||
4981 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4982 cur_params
.dot11MeshHWMPRannInterval
) ||
4983 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4984 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4985 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4986 cur_params
.dot11MeshForwarding
) ||
4987 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4988 cur_params
.rssi_threshold
) ||
4989 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4990 cur_params
.ht_opmode
) ||
4991 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4992 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4993 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4994 cur_params
.dot11MeshHWMProotInterval
) ||
4995 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4996 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4997 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4998 cur_params
.power_mode
) ||
4999 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5000 cur_params
.dot11MeshAwakeWindowDuration
) ||
5001 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5002 cur_params
.plink_timeout
))
5003 goto nla_put_failure
;
5004 nla_nest_end(msg
, pinfoattr
);
5005 genlmsg_end(msg
, hdr
);
5006 return genlmsg_reply(msg
, info
);
5009 genlmsg_cancel(msg
, hdr
);
5015 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5016 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5017 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5018 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5019 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5020 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5021 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5022 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5023 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5024 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5025 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5026 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5027 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5028 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5029 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5030 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5031 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5032 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5033 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5034 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5035 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5036 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5037 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5038 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5039 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5040 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5041 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5042 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5043 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5046 static const struct nla_policy
5047 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5048 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5049 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5050 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5051 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5052 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5053 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5054 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5055 .len
= IEEE80211_MAX_DATA_LEN
},
5056 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5059 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5060 struct mesh_config
*cfg
,
5063 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5066 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5069 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5071 cfg->param = fn(tb[attr]); \
5072 mask |= (1 << (attr - 1)); \
5077 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5079 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5080 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5081 nl80211_meshconf_params_policy
))
5084 /* This makes sure that there aren't more than 32 mesh config
5085 * parameters (otherwise our bitfield scheme would not work.) */
5086 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5088 /* Fill in the params struct */
5089 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5090 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5092 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5093 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5095 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5096 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5098 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5099 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5101 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5102 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5104 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5105 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5106 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5107 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5109 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5110 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5112 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5114 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5116 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5117 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5119 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5120 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5122 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5123 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5125 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5127 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5129 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5131 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5133 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5135 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5137 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5138 dot11MeshHWMPnetDiameterTraversalTime
,
5140 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5142 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5143 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5145 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5146 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5148 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5149 dot11MeshGateAnnouncementProtocol
, 0, 1,
5150 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5152 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5153 mask
, NL80211_MESHCONF_FORWARDING
,
5155 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5156 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5158 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5159 mask
, NL80211_MESHCONF_HT_OPMODE
,
5161 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5163 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5165 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5166 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5168 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5169 dot11MeshHWMPconfirmationInterval
,
5171 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5173 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5174 NL80211_MESH_POWER_ACTIVE
,
5175 NL80211_MESH_POWER_MAX
,
5176 mask
, NL80211_MESHCONF_POWER_MODE
,
5178 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5180 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5181 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5182 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5189 #undef FILL_IN_MESH_PARAM_IF_SET
5192 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5193 struct mesh_setup
*setup
)
5195 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5196 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5198 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5200 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5201 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5202 nl80211_mesh_setup_params_policy
))
5205 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5206 setup
->sync_method
=
5207 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5208 IEEE80211_SYNC_METHOD_VENDOR
:
5209 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5211 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5212 setup
->path_sel_proto
=
5213 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5214 IEEE80211_PATH_PROTOCOL_VENDOR
:
5215 IEEE80211_PATH_PROTOCOL_HWMP
;
5217 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5218 setup
->path_metric
=
5219 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5220 IEEE80211_PATH_METRIC_VENDOR
:
5221 IEEE80211_PATH_METRIC_AIRTIME
;
5224 if (tb
[NL80211_MESH_SETUP_IE
]) {
5225 struct nlattr
*ieattr
=
5226 tb
[NL80211_MESH_SETUP_IE
];
5227 if (!is_valid_ie_attr(ieattr
))
5229 setup
->ie
= nla_data(ieattr
);
5230 setup
->ie_len
= nla_len(ieattr
);
5232 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5233 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5235 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5236 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5237 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5238 if (setup
->is_secure
)
5239 setup
->user_mpm
= true;
5241 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5242 if (!setup
->user_mpm
)
5245 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5251 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5252 struct genl_info
*info
)
5254 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5255 struct net_device
*dev
= info
->user_ptr
[1];
5256 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5257 struct mesh_config cfg
;
5261 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5264 if (!rdev
->ops
->update_mesh_config
)
5267 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5272 if (!wdev
->mesh_id_len
)
5276 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5283 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5285 const struct ieee80211_regdomain
*regdom
;
5286 struct sk_buff
*msg
;
5288 struct nlattr
*nl_reg_rules
;
5291 if (!cfg80211_regdomain
)
5294 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5298 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5299 NL80211_CMD_GET_REG
);
5303 if (reg_last_request_cell_base() &&
5304 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5305 NL80211_USER_REG_HINT_CELL_BASE
))
5306 goto nla_put_failure
;
5309 regdom
= rcu_dereference(cfg80211_regdomain
);
5311 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5312 (regdom
->dfs_region
&&
5313 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5314 goto nla_put_failure_rcu
;
5316 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5318 goto nla_put_failure_rcu
;
5320 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5321 struct nlattr
*nl_reg_rule
;
5322 const struct ieee80211_reg_rule
*reg_rule
;
5323 const struct ieee80211_freq_range
*freq_range
;
5324 const struct ieee80211_power_rule
*power_rule
;
5325 unsigned int max_bandwidth_khz
;
5327 reg_rule
= ®dom
->reg_rules
[i
];
5328 freq_range
= ®_rule
->freq_range
;
5329 power_rule
= ®_rule
->power_rule
;
5331 nl_reg_rule
= nla_nest_start(msg
, i
);
5333 goto nla_put_failure_rcu
;
5335 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5336 if (!max_bandwidth_khz
)
5337 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5340 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5342 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5343 freq_range
->start_freq_khz
) ||
5344 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5345 freq_range
->end_freq_khz
) ||
5346 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5347 max_bandwidth_khz
) ||
5348 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5349 power_rule
->max_antenna_gain
) ||
5350 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5351 power_rule
->max_eirp
) ||
5352 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5353 reg_rule
->dfs_cac_ms
))
5354 goto nla_put_failure_rcu
;
5356 nla_nest_end(msg
, nl_reg_rule
);
5360 nla_nest_end(msg
, nl_reg_rules
);
5362 genlmsg_end(msg
, hdr
);
5363 return genlmsg_reply(msg
, info
);
5365 nla_put_failure_rcu
:
5368 genlmsg_cancel(msg
, hdr
);
5374 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5376 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5377 struct nlattr
*nl_reg_rule
;
5378 char *alpha2
= NULL
;
5379 int rem_reg_rules
= 0, r
= 0;
5380 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5381 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5382 struct ieee80211_regdomain
*rd
= NULL
;
5384 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5387 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5390 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5392 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5393 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5395 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5398 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5402 if (!reg_is_valid_request(alpha2
))
5405 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5406 num_rules
* sizeof(struct ieee80211_reg_rule
);
5408 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5412 rd
->n_reg_rules
= num_rules
;
5413 rd
->alpha2
[0] = alpha2
[0];
5414 rd
->alpha2
[1] = alpha2
[1];
5417 * Disable DFS master mode if the DFS region was
5418 * not supported or known on this kernel.
5420 if (reg_supported_dfs_region(dfs_region
))
5421 rd
->dfs_region
= dfs_region
;
5423 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5425 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5426 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5430 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5436 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5443 /* set_regdom took ownership */
5451 static int validate_scan_freqs(struct nlattr
*freqs
)
5453 struct nlattr
*attr1
, *attr2
;
5454 int n_channels
= 0, tmp1
, tmp2
;
5456 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5459 * Some hardware has a limited channel list for
5460 * scanning, and it is pretty much nonsensical
5461 * to scan for a channel twice, so disallow that
5462 * and don't require drivers to check that the
5463 * channel list they get isn't longer than what
5464 * they can scan, as long as they can scan all
5465 * the channels they registered at once.
5467 nla_for_each_nested(attr2
, freqs
, tmp2
)
5468 if (attr1
!= attr2
&&
5469 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5476 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5478 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5479 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5480 struct cfg80211_scan_request
*request
;
5481 struct nlattr
*attr
;
5482 struct wiphy
*wiphy
;
5483 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5486 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5489 wiphy
= &rdev
->wiphy
;
5491 if (!rdev
->ops
->scan
)
5494 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5499 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5500 n_channels
= validate_scan_freqs(
5501 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5507 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5510 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5511 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5514 if (n_ssids
> wiphy
->max_scan_ssids
) {
5519 if (info
->attrs
[NL80211_ATTR_IE
])
5520 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5524 if (ie_len
> wiphy
->max_scan_ie_len
) {
5529 request
= kzalloc(sizeof(*request
)
5530 + sizeof(*request
->ssids
) * n_ssids
5531 + sizeof(*request
->channels
) * n_channels
5532 + ie_len
, GFP_KERNEL
);
5539 request
->ssids
= (void *)&request
->channels
[n_channels
];
5540 request
->n_ssids
= n_ssids
;
5543 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5545 request
->ie
= (void *)(request
->channels
+ n_channels
);
5549 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5550 /* user specified, bail out if channel not found */
5551 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5552 struct ieee80211_channel
*chan
;
5554 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5561 /* ignore disabled channels */
5562 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5565 request
->channels
[i
] = chan
;
5569 enum ieee80211_band band
;
5572 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5574 if (!wiphy
->bands
[band
])
5576 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5577 struct ieee80211_channel
*chan
;
5579 chan
= &wiphy
->bands
[band
]->channels
[j
];
5581 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5584 request
->channels
[i
] = chan
;
5595 request
->n_channels
= i
;
5598 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5599 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5600 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5604 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5605 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5610 if (info
->attrs
[NL80211_ATTR_IE
]) {
5611 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5612 memcpy((void *)request
->ie
,
5613 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5617 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5618 if (wiphy
->bands
[i
])
5620 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5622 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5623 nla_for_each_nested(attr
,
5624 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5626 enum ieee80211_band band
= nla_type(attr
);
5628 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5633 if (!wiphy
->bands
[band
])
5636 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5639 &request
->rates
[band
]);
5645 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5646 request
->flags
= nla_get_u32(
5647 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5648 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5649 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5656 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5658 request
->wdev
= wdev
;
5659 request
->wiphy
= &rdev
->wiphy
;
5660 request
->scan_start
= jiffies
;
5662 rdev
->scan_req
= request
;
5663 err
= rdev_scan(rdev
, request
);
5666 nl80211_send_scan_start(rdev
, wdev
);
5668 dev_hold(wdev
->netdev
);
5671 rdev
->scan_req
= NULL
;
5679 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5680 struct genl_info
*info
)
5682 struct cfg80211_sched_scan_request
*request
;
5683 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5684 struct net_device
*dev
= info
->user_ptr
[1];
5685 struct nlattr
*attr
;
5686 struct wiphy
*wiphy
;
5687 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5689 enum ieee80211_band band
;
5691 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5692 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5694 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5695 !rdev
->ops
->sched_scan_start
)
5698 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5701 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5704 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5708 wiphy
= &rdev
->wiphy
;
5710 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5711 n_channels
= validate_scan_freqs(
5712 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5716 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5719 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5720 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5724 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5728 * First, count the number of 'real' matchsets. Due to an issue with
5729 * the old implementation, matchsets containing only the RSSI attribute
5730 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5731 * RSSI for all matchsets, rather than their own matchset for reporting
5732 * all APs with a strong RSSI. This is needed to be compatible with
5733 * older userspace that treated a matchset with only the RSSI as the
5734 * global RSSI for all other matchsets - if there are other matchsets.
5736 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5737 nla_for_each_nested(attr
,
5738 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5740 struct nlattr
*rssi
;
5742 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5743 nla_data(attr
), nla_len(attr
),
5744 nl80211_match_policy
);
5747 /* add other standalone attributes here */
5748 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5752 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5754 default_match_rssi
= nla_get_s32(rssi
);
5758 /* However, if there's no other matchset, add the RSSI one */
5759 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5762 if (n_match_sets
> wiphy
->max_match_sets
)
5765 if (info
->attrs
[NL80211_ATTR_IE
])
5766 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5770 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5773 if (rdev
->sched_scan_req
) {
5778 request
= kzalloc(sizeof(*request
)
5779 + sizeof(*request
->ssids
) * n_ssids
5780 + sizeof(*request
->match_sets
) * n_match_sets
5781 + sizeof(*request
->channels
) * n_channels
5782 + ie_len
, GFP_KERNEL
);
5789 request
->ssids
= (void *)&request
->channels
[n_channels
];
5790 request
->n_ssids
= n_ssids
;
5793 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5795 request
->ie
= (void *)(request
->channels
+ n_channels
);
5800 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5801 else if (request
->ssids
)
5802 request
->match_sets
=
5803 (void *)(request
->ssids
+ n_ssids
);
5805 request
->match_sets
=
5806 (void *)(request
->channels
+ n_channels
);
5808 request
->n_match_sets
= n_match_sets
;
5811 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5812 /* user specified, bail out if channel not found */
5813 nla_for_each_nested(attr
,
5814 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5816 struct ieee80211_channel
*chan
;
5818 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5825 /* ignore disabled channels */
5826 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5829 request
->channels
[i
] = chan
;
5834 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5836 if (!wiphy
->bands
[band
])
5838 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5839 struct ieee80211_channel
*chan
;
5841 chan
= &wiphy
->bands
[band
]->channels
[j
];
5843 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5846 request
->channels
[i
] = chan
;
5857 request
->n_channels
= i
;
5860 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5861 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5863 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5867 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5868 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5875 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5876 nla_for_each_nested(attr
,
5877 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5879 struct nlattr
*ssid
, *rssi
;
5881 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5882 nla_data(attr
), nla_len(attr
),
5883 nl80211_match_policy
);
5886 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5888 if (WARN_ON(i
>= n_match_sets
)) {
5889 /* this indicates a programming error,
5890 * the loop above should have verified
5897 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5901 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5902 nla_data(ssid
), nla_len(ssid
));
5903 request
->match_sets
[i
].ssid
.ssid_len
=
5905 /* special attribute - old implemenation w/a */
5906 request
->match_sets
[i
].rssi_thold
=
5908 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5910 request
->match_sets
[i
].rssi_thold
=
5916 /* there was no other matchset, so the RSSI one is alone */
5918 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
5920 request
->min_rssi_thold
= INT_MAX
;
5921 for (i
= 0; i
< n_match_sets
; i
++)
5922 request
->min_rssi_thold
=
5923 min(request
->match_sets
[i
].rssi_thold
,
5924 request
->min_rssi_thold
);
5926 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
5930 request
->ie_len
= ie_len
;
5931 memcpy((void *)request
->ie
,
5932 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5936 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5937 request
->flags
= nla_get_u32(
5938 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5939 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5940 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5947 request
->wiphy
= &rdev
->wiphy
;
5948 request
->interval
= interval
;
5949 request
->scan_start
= jiffies
;
5951 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5953 rdev
->sched_scan_req
= request
;
5954 nl80211_send_sched_scan(rdev
, dev
,
5955 NL80211_CMD_START_SCHED_SCAN
);
5965 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5966 struct genl_info
*info
)
5968 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5970 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5971 !rdev
->ops
->sched_scan_stop
)
5974 return __cfg80211_stop_sched_scan(rdev
, false);
5977 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5978 struct genl_info
*info
)
5980 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5981 struct net_device
*dev
= info
->user_ptr
[1];
5982 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5983 struct cfg80211_chan_def chandef
;
5984 enum nl80211_dfs_regions dfs_region
;
5985 unsigned int cac_time_ms
;
5988 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5989 if (dfs_region
== NL80211_DFS_UNSET
)
5992 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5996 if (netif_carrier_ok(dev
))
5999 if (wdev
->cac_started
)
6002 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6010 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6013 if (!rdev
->ops
->start_radar_detection
)
6016 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6017 if (WARN_ON(!cac_time_ms
))
6018 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6020 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6023 wdev
->chandef
= chandef
;
6024 wdev
->cac_started
= true;
6025 wdev
->cac_start_time
= jiffies
;
6026 wdev
->cac_time_ms
= cac_time_ms
;
6031 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6033 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6034 struct net_device
*dev
= info
->user_ptr
[1];
6035 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6036 struct cfg80211_csa_settings params
;
6037 /* csa_attrs is defined static to avoid waste of stack size - this
6038 * function is called under RTNL lock, so this should not be a problem.
6040 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6042 bool need_new_beacon
= false;
6046 if (!rdev
->ops
->channel_switch
||
6047 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6050 switch (dev
->ieee80211_ptr
->iftype
) {
6051 case NL80211_IFTYPE_AP
:
6052 case NL80211_IFTYPE_P2P_GO
:
6053 need_new_beacon
= true;
6055 /* useless if AP is not running */
6056 if (!wdev
->beacon_interval
)
6059 case NL80211_IFTYPE_ADHOC
:
6060 if (!wdev
->ssid_len
)
6063 case NL80211_IFTYPE_MESH_POINT
:
6064 if (!wdev
->mesh_id_len
)
6071 memset(¶ms
, 0, sizeof(params
));
6073 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6074 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6077 /* only important for AP, IBSS and mesh create IEs internally */
6078 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6081 /* Even though the attribute is u32, the specification says
6082 * u8, so let's make sure we don't overflow.
6084 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6088 params
.count
= cs_count
;
6090 if (!need_new_beacon
)
6093 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6097 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6098 info
->attrs
[NL80211_ATTR_CSA_IES
],
6103 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6107 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6110 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6111 if (!len
|| (len
% sizeof(u16
)))
6114 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6115 if (rdev
->wiphy
.max_num_csa_counters
&&
6116 (params
.n_counter_offsets_beacon
>
6117 rdev
->wiphy
.max_num_csa_counters
))
6120 params
.counter_offsets_beacon
=
6121 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6123 /* sanity checks - counters should fit and be the same */
6124 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6125 u16 offset
= params
.counter_offsets_beacon
[i
];
6127 if (offset
>= params
.beacon_csa
.tail_len
)
6130 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6134 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6135 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6136 if (!len
|| (len
% sizeof(u16
)))
6139 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6140 if (rdev
->wiphy
.max_num_csa_counters
&&
6141 (params
.n_counter_offsets_beacon
>
6142 rdev
->wiphy
.max_num_csa_counters
))
6145 params
.counter_offsets_presp
=
6146 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6148 /* sanity checks - counters should fit and be the same */
6149 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6150 u16 offset
= params
.counter_offsets_presp
[i
];
6152 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6155 if (params
.beacon_csa
.probe_resp
[offset
] !=
6162 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6166 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6170 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6177 params
.radar_required
= true;
6179 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6180 params
.block_tx
= true;
6183 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6189 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6191 struct cfg80211_registered_device
*rdev
,
6192 struct wireless_dev
*wdev
,
6193 struct cfg80211_internal_bss
*intbss
)
6195 struct cfg80211_bss
*res
= &intbss
->pub
;
6196 const struct cfg80211_bss_ies
*ies
;
6200 ASSERT_WDEV_LOCK(wdev
);
6202 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6203 NL80211_CMD_NEW_SCAN_RESULTS
);
6207 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6209 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6210 goto nla_put_failure
;
6212 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6213 goto nla_put_failure
;
6214 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6215 goto nla_put_failure
;
6217 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6219 goto nla_put_failure
;
6220 if ((!is_zero_ether_addr(res
->bssid
) &&
6221 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6222 goto nla_put_failure
;
6225 /* indicate whether we have probe response data or not */
6226 if (rcu_access_pointer(res
->proberesp_ies
) &&
6227 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6228 goto fail_unlock_rcu
;
6230 /* this pointer prefers to be pointed to probe response data
6231 * but is always valid
6233 ies
= rcu_dereference(res
->ies
);
6235 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6236 goto fail_unlock_rcu
;
6237 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6238 ies
->len
, ies
->data
))
6239 goto fail_unlock_rcu
;
6242 /* and this pointer is always (unless driver didn't know) beacon data */
6243 ies
= rcu_dereference(res
->beacon_ies
);
6244 if (ies
&& ies
->from_beacon
) {
6245 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6246 goto fail_unlock_rcu
;
6247 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6248 ies
->len
, ies
->data
))
6249 goto fail_unlock_rcu
;
6253 if (res
->beacon_interval
&&
6254 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6255 goto nla_put_failure
;
6256 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6257 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6258 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6259 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6260 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6261 goto nla_put_failure
;
6263 switch (rdev
->wiphy
.signal_type
) {
6264 case CFG80211_SIGNAL_TYPE_MBM
:
6265 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6266 goto nla_put_failure
;
6268 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6269 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6270 goto nla_put_failure
;
6276 switch (wdev
->iftype
) {
6277 case NL80211_IFTYPE_P2P_CLIENT
:
6278 case NL80211_IFTYPE_STATION
:
6279 if (intbss
== wdev
->current_bss
&&
6280 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6281 NL80211_BSS_STATUS_ASSOCIATED
))
6282 goto nla_put_failure
;
6284 case NL80211_IFTYPE_ADHOC
:
6285 if (intbss
== wdev
->current_bss
&&
6286 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6287 NL80211_BSS_STATUS_IBSS_JOINED
))
6288 goto nla_put_failure
;
6294 nla_nest_end(msg
, bss
);
6296 return genlmsg_end(msg
, hdr
);
6301 genlmsg_cancel(msg
, hdr
);
6305 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6307 struct cfg80211_registered_device
*rdev
;
6308 struct cfg80211_internal_bss
*scan
;
6309 struct wireless_dev
*wdev
;
6310 int start
= cb
->args
[2], idx
= 0;
6313 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6318 spin_lock_bh(&rdev
->bss_lock
);
6319 cfg80211_bss_expire(rdev
);
6321 cb
->seq
= rdev
->bss_generation
;
6323 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6326 if (nl80211_send_bss(skb
, cb
,
6327 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6328 rdev
, wdev
, scan
) < 0) {
6334 spin_unlock_bh(&rdev
->bss_lock
);
6338 nl80211_finish_wdev_dump(rdev
);
6343 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6344 int flags
, struct net_device
*dev
,
6345 struct survey_info
*survey
)
6348 struct nlattr
*infoattr
;
6350 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6351 NL80211_CMD_NEW_SURVEY_RESULTS
);
6355 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6356 goto nla_put_failure
;
6358 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6360 goto nla_put_failure
;
6362 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6363 survey
->channel
->center_freq
))
6364 goto nla_put_failure
;
6366 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6367 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6368 goto nla_put_failure
;
6369 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6370 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6371 goto nla_put_failure
;
6372 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6373 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6374 survey
->channel_time
))
6375 goto nla_put_failure
;
6376 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6377 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6378 survey
->channel_time_busy
))
6379 goto nla_put_failure
;
6380 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6381 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6382 survey
->channel_time_ext_busy
))
6383 goto nla_put_failure
;
6384 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6385 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6386 survey
->channel_time_rx
))
6387 goto nla_put_failure
;
6388 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6389 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6390 survey
->channel_time_tx
))
6391 goto nla_put_failure
;
6393 nla_nest_end(msg
, infoattr
);
6395 return genlmsg_end(msg
, hdr
);
6398 genlmsg_cancel(msg
, hdr
);
6402 static int nl80211_dump_survey(struct sk_buff
*skb
,
6403 struct netlink_callback
*cb
)
6405 struct survey_info survey
;
6406 struct cfg80211_registered_device
*rdev
;
6407 struct wireless_dev
*wdev
;
6408 int survey_idx
= cb
->args
[2];
6411 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6415 if (!wdev
->netdev
) {
6420 if (!rdev
->ops
->dump_survey
) {
6426 struct ieee80211_channel
*chan
;
6428 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6434 /* Survey without a channel doesn't make sense */
6435 if (!survey
.channel
) {
6440 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6441 survey
.channel
->center_freq
);
6442 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6447 if (nl80211_send_survey(skb
,
6448 NETLINK_CB(cb
->skb
).portid
,
6449 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6450 wdev
->netdev
, &survey
) < 0)
6456 cb
->args
[2] = survey_idx
;
6459 nl80211_finish_wdev_dump(rdev
);
6463 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6465 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6466 NL80211_WPA_VERSION_2
));
6469 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6471 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6472 struct net_device
*dev
= info
->user_ptr
[1];
6473 struct ieee80211_channel
*chan
;
6474 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6475 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6476 enum nl80211_auth_type auth_type
;
6477 struct key_parse key
;
6478 bool local_state_change
;
6480 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6483 if (!info
->attrs
[NL80211_ATTR_MAC
])
6486 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6489 if (!info
->attrs
[NL80211_ATTR_SSID
])
6492 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6495 err
= nl80211_parse_key(info
, &key
);
6500 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6502 if (!key
.p
.key
|| !key
.p
.key_len
)
6504 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6505 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6506 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6507 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6519 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6520 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6529 if (!rdev
->ops
->auth
)
6532 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6533 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6536 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6537 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6538 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6542 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6543 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6545 if (info
->attrs
[NL80211_ATTR_IE
]) {
6546 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6547 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6550 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6551 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6554 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6555 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6558 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6559 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6561 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6562 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6563 /* need to include at least Auth Transaction and Status Code */
6564 if (sae_data_len
< 4)
6568 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6571 * Since we no longer track auth state, ignore
6572 * requests to only change local state.
6574 if (local_state_change
)
6577 wdev_lock(dev
->ieee80211_ptr
);
6578 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6579 ssid
, ssid_len
, ie
, ie_len
,
6580 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6581 sae_data
, sae_data_len
);
6582 wdev_unlock(dev
->ieee80211_ptr
);
6586 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6587 struct genl_info
*info
,
6588 struct cfg80211_crypto_settings
*settings
,
6591 memset(settings
, 0, sizeof(*settings
));
6593 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6595 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6597 proto
= nla_get_u16(
6598 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6599 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6600 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6603 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6604 settings
->control_port_no_encrypt
= true;
6606 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6608 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6612 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6613 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6614 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6616 if (len
% sizeof(u32
))
6619 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6622 memcpy(settings
->ciphers_pairwise
, data
, len
);
6624 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6625 if (!cfg80211_supported_cipher_suite(
6627 settings
->ciphers_pairwise
[i
]))
6631 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6632 settings
->cipher_group
=
6633 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6634 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6635 settings
->cipher_group
))
6639 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6640 settings
->wpa_versions
=
6641 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6642 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6646 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6650 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6651 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6652 settings
->n_akm_suites
= len
/ sizeof(u32
);
6654 if (len
% sizeof(u32
))
6657 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6660 memcpy(settings
->akm_suites
, data
, len
);
6666 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6668 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6669 struct net_device
*dev
= info
->user_ptr
[1];
6670 struct ieee80211_channel
*chan
;
6671 struct cfg80211_assoc_request req
= {};
6672 const u8
*bssid
, *ssid
;
6673 int err
, ssid_len
= 0;
6675 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6678 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6679 !info
->attrs
[NL80211_ATTR_SSID
] ||
6680 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6683 if (!rdev
->ops
->assoc
)
6686 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6687 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6690 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6692 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6693 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6697 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6698 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6700 if (info
->attrs
[NL80211_ATTR_IE
]) {
6701 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6702 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6705 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6706 enum nl80211_mfp mfp
=
6707 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6708 if (mfp
== NL80211_MFP_REQUIRED
)
6710 else if (mfp
!= NL80211_MFP_NO
)
6714 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6715 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6717 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6718 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6720 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6721 memcpy(&req
.ht_capa_mask
,
6722 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6723 sizeof(req
.ht_capa_mask
));
6725 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6726 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6728 memcpy(&req
.ht_capa
,
6729 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6730 sizeof(req
.ht_capa
));
6733 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6734 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6736 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6737 memcpy(&req
.vht_capa_mask
,
6738 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6739 sizeof(req
.vht_capa_mask
));
6741 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6742 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6744 memcpy(&req
.vht_capa
,
6745 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6746 sizeof(req
.vht_capa
));
6749 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
6750 if (!(rdev
->wiphy
.features
&
6751 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
6752 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
6754 req
.flags
|= ASSOC_REQ_USE_RRM
;
6757 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6759 wdev_lock(dev
->ieee80211_ptr
);
6760 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6761 ssid
, ssid_len
, &req
);
6762 wdev_unlock(dev
->ieee80211_ptr
);
6768 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6770 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6771 struct net_device
*dev
= info
->user_ptr
[1];
6772 const u8
*ie
= NULL
, *bssid
;
6773 int ie_len
= 0, err
;
6775 bool local_state_change
;
6777 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6780 if (!info
->attrs
[NL80211_ATTR_MAC
])
6783 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6786 if (!rdev
->ops
->deauth
)
6789 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6790 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6793 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6795 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6796 if (reason_code
== 0) {
6797 /* Reason Code 0 is reserved */
6801 if (info
->attrs
[NL80211_ATTR_IE
]) {
6802 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6803 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6806 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6808 wdev_lock(dev
->ieee80211_ptr
);
6809 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6810 local_state_change
);
6811 wdev_unlock(dev
->ieee80211_ptr
);
6815 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6817 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6818 struct net_device
*dev
= info
->user_ptr
[1];
6819 const u8
*ie
= NULL
, *bssid
;
6820 int ie_len
= 0, err
;
6822 bool local_state_change
;
6824 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6827 if (!info
->attrs
[NL80211_ATTR_MAC
])
6830 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6833 if (!rdev
->ops
->disassoc
)
6836 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6837 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6840 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6842 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6843 if (reason_code
== 0) {
6844 /* Reason Code 0 is reserved */
6848 if (info
->attrs
[NL80211_ATTR_IE
]) {
6849 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6850 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6853 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6855 wdev_lock(dev
->ieee80211_ptr
);
6856 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6857 local_state_change
);
6858 wdev_unlock(dev
->ieee80211_ptr
);
6863 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6864 int mcast_rate
[IEEE80211_NUM_BANDS
],
6867 struct wiphy
*wiphy
= &rdev
->wiphy
;
6871 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6872 struct ieee80211_supported_band
*sband
;
6874 sband
= wiphy
->bands
[band
];
6878 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6879 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6880 mcast_rate
[band
] = i
+ 1;
6890 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6892 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6893 struct net_device
*dev
= info
->user_ptr
[1];
6894 struct cfg80211_ibss_params ibss
;
6895 struct wiphy
*wiphy
;
6896 struct cfg80211_cached_keys
*connkeys
= NULL
;
6899 memset(&ibss
, 0, sizeof(ibss
));
6901 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6904 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6905 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6908 ibss
.beacon_interval
= 100;
6910 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6911 ibss
.beacon_interval
=
6912 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6913 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6917 if (!rdev
->ops
->join_ibss
)
6920 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6923 wiphy
= &rdev
->wiphy
;
6925 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6926 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6928 if (!is_valid_ether_addr(ibss
.bssid
))
6931 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6932 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6934 if (info
->attrs
[NL80211_ATTR_IE
]) {
6935 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6936 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6939 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6943 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
6944 NL80211_IFTYPE_ADHOC
))
6947 switch (ibss
.chandef
.width
) {
6948 case NL80211_CHAN_WIDTH_5
:
6949 case NL80211_CHAN_WIDTH_10
:
6950 case NL80211_CHAN_WIDTH_20_NOHT
:
6952 case NL80211_CHAN_WIDTH_20
:
6953 case NL80211_CHAN_WIDTH_40
:
6954 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6960 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6961 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6963 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6965 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6967 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6968 struct ieee80211_supported_band
*sband
=
6969 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6971 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6977 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6978 memcpy(&ibss
.ht_capa_mask
,
6979 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6980 sizeof(ibss
.ht_capa_mask
));
6982 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6983 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6985 memcpy(&ibss
.ht_capa
,
6986 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6987 sizeof(ibss
.ht_capa
));
6990 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6991 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6992 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6995 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6998 connkeys
= nl80211_parse_connkeys(rdev
,
6999 info
->attrs
[NL80211_ATTR_KEYS
],
7001 if (IS_ERR(connkeys
))
7002 return PTR_ERR(connkeys
);
7004 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7012 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7014 ibss
.userspace_handles_dfs
=
7015 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7017 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7023 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7025 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7026 struct net_device
*dev
= info
->user_ptr
[1];
7028 if (!rdev
->ops
->leave_ibss
)
7031 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7034 return cfg80211_leave_ibss(rdev
, dev
, false);
7037 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7039 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7040 struct net_device
*dev
= info
->user_ptr
[1];
7041 int mcast_rate
[IEEE80211_NUM_BANDS
];
7045 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7046 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
7049 if (!rdev
->ops
->set_mcast_rate
)
7052 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7054 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7057 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7058 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7061 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7066 static struct sk_buff
*
7067 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7068 int approxlen
, u32 portid
, u32 seq
,
7069 enum nl80211_commands cmd
,
7070 enum nl80211_attrs attr
,
7071 const struct nl80211_vendor_cmd_info
*info
,
7074 struct sk_buff
*skb
;
7076 struct nlattr
*data
;
7078 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7082 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7088 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7089 goto nla_put_failure
;
7092 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7094 goto nla_put_failure
;
7095 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7097 goto nla_put_failure
;
7100 data
= nla_nest_start(skb
, attr
);
7102 ((void **)skb
->cb
)[0] = rdev
;
7103 ((void **)skb
->cb
)[1] = hdr
;
7104 ((void **)skb
->cb
)[2] = data
;
7113 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7114 enum nl80211_commands cmd
,
7115 enum nl80211_attrs attr
,
7116 int vendor_event_idx
,
7117 int approxlen
, gfp_t gfp
)
7119 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7120 const struct nl80211_vendor_cmd_info
*info
;
7123 case NL80211_CMD_TESTMODE
:
7124 if (WARN_ON(vendor_event_idx
!= -1))
7128 case NL80211_CMD_VENDOR
:
7129 if (WARN_ON(vendor_event_idx
< 0 ||
7130 vendor_event_idx
>= wiphy
->n_vendor_events
))
7132 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7139 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7140 cmd
, attr
, info
, gfp
);
7142 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7144 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7146 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7147 void *hdr
= ((void **)skb
->cb
)[1];
7148 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7149 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7151 /* clear CB data for netlink core to own from now on */
7152 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7154 nla_nest_end(skb
, data
);
7155 genlmsg_end(skb
, hdr
);
7157 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7158 mcgrp
= NL80211_MCGRP_VENDOR
;
7160 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7163 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7165 #ifdef CONFIG_NL80211_TESTMODE
7166 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7168 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7169 struct wireless_dev
*wdev
=
7170 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7173 if (!rdev
->ops
->testmode_cmd
)
7177 err
= PTR_ERR(wdev
);
7181 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7185 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7188 rdev
->cur_cmd_info
= info
;
7189 err
= rdev_testmode_cmd(rdev
, wdev
,
7190 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7191 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7192 rdev
->cur_cmd_info
= NULL
;
7197 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7198 struct netlink_callback
*cb
)
7200 struct cfg80211_registered_device
*rdev
;
7210 * 0 is a valid index, but not valid for args[0],
7211 * so we need to offset by 1.
7213 phy_idx
= cb
->args
[0] - 1;
7215 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7216 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7221 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7222 nl80211_fam
.attrbuf
);
7224 err
= PTR_ERR(rdev
);
7227 phy_idx
= rdev
->wiphy_idx
;
7230 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7232 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7236 data
= nla_data((void *)cb
->args
[1]);
7237 data_len
= nla_len((void *)cb
->args
[1]);
7240 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7246 if (!rdev
->ops
->testmode_dump
) {
7252 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7253 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7254 NL80211_CMD_TESTMODE
);
7255 struct nlattr
*tmdata
;
7260 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7261 genlmsg_cancel(skb
, hdr
);
7265 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7267 genlmsg_cancel(skb
, hdr
);
7270 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7271 nla_nest_end(skb
, tmdata
);
7273 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7274 genlmsg_cancel(skb
, hdr
);
7277 genlmsg_cancel(skb
, hdr
);
7281 genlmsg_end(skb
, hdr
);
7286 cb
->args
[0] = phy_idx
+ 1;
7293 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7295 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7296 struct net_device
*dev
= info
->user_ptr
[1];
7297 struct cfg80211_connect_params connect
;
7298 struct wiphy
*wiphy
;
7299 struct cfg80211_cached_keys
*connkeys
= NULL
;
7302 memset(&connect
, 0, sizeof(connect
));
7304 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7307 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7308 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7311 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7313 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7314 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7315 NL80211_CMD_CONNECT
))
7318 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7320 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7322 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7323 NL80211_MAX_NR_CIPHER_SUITES
);
7327 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7328 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7331 wiphy
= &rdev
->wiphy
;
7333 connect
.bg_scan_period
= -1;
7334 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7335 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7336 connect
.bg_scan_period
=
7337 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7340 if (info
->attrs
[NL80211_ATTR_MAC
])
7341 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7342 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7343 connect
.bssid_hint
=
7344 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7345 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7346 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7348 if (info
->attrs
[NL80211_ATTR_IE
]) {
7349 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7350 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7353 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7354 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7355 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7356 connect
.mfp
!= NL80211_MFP_NO
)
7359 connect
.mfp
= NL80211_MFP_NO
;
7362 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7363 connect
.channel
= nl80211_get_valid_chan(
7364 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7365 if (!connect
.channel
)
7367 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7368 connect
.channel_hint
= nl80211_get_valid_chan(
7369 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7370 if (!connect
.channel_hint
)
7374 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7375 connkeys
= nl80211_parse_connkeys(rdev
,
7376 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7377 if (IS_ERR(connkeys
))
7378 return PTR_ERR(connkeys
);
7381 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7382 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7384 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7385 memcpy(&connect
.ht_capa_mask
,
7386 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7387 sizeof(connect
.ht_capa_mask
));
7389 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7390 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7394 memcpy(&connect
.ht_capa
,
7395 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7396 sizeof(connect
.ht_capa
));
7399 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7400 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7402 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7403 memcpy(&connect
.vht_capa_mask
,
7404 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7405 sizeof(connect
.vht_capa_mask
));
7407 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7408 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7412 memcpy(&connect
.vht_capa
,
7413 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7414 sizeof(connect
.vht_capa
));
7417 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7418 if (!(rdev
->wiphy
.features
&
7419 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7420 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7422 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7425 wdev_lock(dev
->ieee80211_ptr
);
7426 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7427 wdev_unlock(dev
->ieee80211_ptr
);
7433 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7435 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7436 struct net_device
*dev
= info
->user_ptr
[1];
7440 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7441 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7443 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7448 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7449 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7452 wdev_lock(dev
->ieee80211_ptr
);
7453 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7454 wdev_unlock(dev
->ieee80211_ptr
);
7458 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7460 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7465 if (!info
->attrs
[NL80211_ATTR_PID
])
7468 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7470 net
= get_net_ns_by_pid(pid
);
7472 return PTR_ERR(net
);
7476 /* check if anything to do */
7477 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7478 err
= cfg80211_switch_netns(rdev
, net
);
7484 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7486 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7487 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7488 struct cfg80211_pmksa
*pmksa
) = NULL
;
7489 struct net_device
*dev
= info
->user_ptr
[1];
7490 struct cfg80211_pmksa pmksa
;
7492 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7494 if (!info
->attrs
[NL80211_ATTR_MAC
])
7497 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7500 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7501 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7503 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7504 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7507 switch (info
->genlhdr
->cmd
) {
7508 case NL80211_CMD_SET_PMKSA
:
7509 rdev_ops
= rdev
->ops
->set_pmksa
;
7511 case NL80211_CMD_DEL_PMKSA
:
7512 rdev_ops
= rdev
->ops
->del_pmksa
;
7522 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7525 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7527 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7528 struct net_device
*dev
= info
->user_ptr
[1];
7530 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7531 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7534 if (!rdev
->ops
->flush_pmksa
)
7537 return rdev_flush_pmksa(rdev
, dev
);
7540 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7542 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7543 struct net_device
*dev
= info
->user_ptr
[1];
7544 u8 action_code
, dialog_token
;
7545 u32 peer_capability
= 0;
7550 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7551 !rdev
->ops
->tdls_mgmt
)
7554 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7555 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7556 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7557 !info
->attrs
[NL80211_ATTR_IE
] ||
7558 !info
->attrs
[NL80211_ATTR_MAC
])
7561 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7562 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7563 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7564 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7565 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7566 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7568 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7570 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7571 dialog_token
, status_code
, peer_capability
,
7573 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7574 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7577 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7579 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7580 struct net_device
*dev
= info
->user_ptr
[1];
7581 enum nl80211_tdls_operation operation
;
7584 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7585 !rdev
->ops
->tdls_oper
)
7588 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7589 !info
->attrs
[NL80211_ATTR_MAC
])
7592 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7593 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7595 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7598 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7599 struct genl_info
*info
)
7601 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7602 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7603 struct cfg80211_chan_def chandef
;
7604 struct sk_buff
*msg
;
7610 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7611 !info
->attrs
[NL80211_ATTR_DURATION
])
7614 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7616 if (!rdev
->ops
->remain_on_channel
||
7617 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7621 * We should be on that channel for at least a minimum amount of
7622 * time (10ms) but no longer than the driver supports.
7624 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7625 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7628 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7632 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7636 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7637 NL80211_CMD_REMAIN_ON_CHANNEL
);
7643 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7649 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7650 goto nla_put_failure
;
7652 genlmsg_end(msg
, hdr
);
7654 return genlmsg_reply(msg
, info
);
7663 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7664 struct genl_info
*info
)
7666 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7667 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7670 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7673 if (!rdev
->ops
->cancel_remain_on_channel
)
7676 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7678 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7681 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7682 u8
*rates
, u8 rates_len
)
7687 for (i
= 0; i
< rates_len
; i
++) {
7688 int rate
= (rates
[i
] & 0x7f) * 5;
7690 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7691 struct ieee80211_rate
*srate
=
7692 &sband
->bitrates
[ridx
];
7693 if (rate
== srate
->bitrate
) {
7698 if (ridx
== sband
->n_bitrates
)
7699 return 0; /* rate not found */
7705 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7706 u8
*rates
, u8 rates_len
,
7707 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7711 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7713 for (i
= 0; i
< rates_len
; i
++) {
7716 ridx
= rates
[i
] / 8;
7717 rbit
= BIT(rates
[i
] % 8);
7719 /* check validity */
7720 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7723 /* check availability */
7724 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7733 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7737 switch (vht_mcs_map
) {
7738 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7740 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7743 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7746 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7756 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7757 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7761 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7762 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7767 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7768 struct nl80211_txrate_vht
*txrate
,
7769 u16 mcs
[NL80211_VHT_NSS_MAX
])
7771 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7772 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7775 if (!sband
->vht_cap
.vht_supported
)
7778 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7780 /* Build vht_mcs_mask from VHT capabilities */
7781 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7783 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7784 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7785 mcs
[i
] = txrate
->mcs
[i
];
7793 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7794 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7795 .len
= NL80211_MAX_SUPP_RATES
},
7796 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7797 .len
= NL80211_MAX_SUPP_HT_RATES
},
7798 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7799 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
7802 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7803 struct genl_info
*info
)
7805 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7806 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7807 struct cfg80211_bitrate_mask mask
;
7809 struct net_device
*dev
= info
->user_ptr
[1];
7810 struct nlattr
*tx_rates
;
7811 struct ieee80211_supported_band
*sband
;
7814 if (!rdev
->ops
->set_bitrate_mask
)
7817 memset(&mask
, 0, sizeof(mask
));
7818 /* Default to all rates enabled */
7819 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7820 sband
= rdev
->wiphy
.bands
[i
];
7825 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7826 memcpy(mask
.control
[i
].ht_mcs
,
7827 sband
->ht_cap
.mcs
.rx_mask
,
7828 sizeof(mask
.control
[i
].ht_mcs
));
7830 if (!sband
->vht_cap
.vht_supported
)
7833 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7834 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7837 /* if no rates are given set it back to the defaults */
7838 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7842 * The nested attribute uses enum nl80211_band as the index. This maps
7843 * directly to the enum ieee80211_band values used in cfg80211.
7845 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7846 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
7847 enum ieee80211_band band
= nla_type(tx_rates
);
7850 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7852 sband
= rdev
->wiphy
.bands
[band
];
7855 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7856 nla_len(tx_rates
), nl80211_txattr_policy
);
7859 if (tb
[NL80211_TXRATE_LEGACY
]) {
7860 mask
.control
[band
].legacy
= rateset_to_mask(
7862 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7863 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7864 if ((mask
.control
[band
].legacy
== 0) &&
7865 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7868 if (tb
[NL80211_TXRATE_HT
]) {
7869 if (!ht_rateset_to_mask(
7871 nla_data(tb
[NL80211_TXRATE_HT
]),
7872 nla_len(tb
[NL80211_TXRATE_HT
]),
7873 mask
.control
[band
].ht_mcs
))
7876 if (tb
[NL80211_TXRATE_VHT
]) {
7877 if (!vht_set_mcs_mask(
7879 nla_data(tb
[NL80211_TXRATE_VHT
]),
7880 mask
.control
[band
].vht_mcs
))
7883 if (tb
[NL80211_TXRATE_GI
]) {
7884 mask
.control
[band
].gi
=
7885 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
7886 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
7890 if (mask
.control
[band
].legacy
== 0) {
7891 /* don't allow empty legacy rates if HT or VHT
7892 * are not even supported.
7894 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
7895 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
7898 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7899 if (mask
.control
[band
].ht_mcs
[i
])
7902 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
7903 if (mask
.control
[band
].vht_mcs
[i
])
7906 /* legacy and mcs rates may not be both empty */
7912 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7915 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7917 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7918 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7919 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7921 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7924 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7925 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7927 switch (wdev
->iftype
) {
7928 case NL80211_IFTYPE_STATION
:
7929 case NL80211_IFTYPE_ADHOC
:
7930 case NL80211_IFTYPE_P2P_CLIENT
:
7931 case NL80211_IFTYPE_AP
:
7932 case NL80211_IFTYPE_AP_VLAN
:
7933 case NL80211_IFTYPE_MESH_POINT
:
7934 case NL80211_IFTYPE_P2P_GO
:
7935 case NL80211_IFTYPE_P2P_DEVICE
:
7941 /* not much point in registering if we can't reply */
7942 if (!rdev
->ops
->mgmt_tx
)
7945 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7946 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7947 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7950 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7952 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7953 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7954 struct cfg80211_chan_def chandef
;
7958 struct sk_buff
*msg
= NULL
;
7959 struct cfg80211_mgmt_tx_params params
= {
7960 .dont_wait_for_ack
=
7961 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7964 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7967 if (!rdev
->ops
->mgmt_tx
)
7970 switch (wdev
->iftype
) {
7971 case NL80211_IFTYPE_P2P_DEVICE
:
7972 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7974 case NL80211_IFTYPE_STATION
:
7975 case NL80211_IFTYPE_ADHOC
:
7976 case NL80211_IFTYPE_P2P_CLIENT
:
7977 case NL80211_IFTYPE_AP
:
7978 case NL80211_IFTYPE_AP_VLAN
:
7979 case NL80211_IFTYPE_MESH_POINT
:
7980 case NL80211_IFTYPE_P2P_GO
:
7986 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7987 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7989 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7992 * We should wait on the channel for at least a minimum amount
7993 * of time (10ms) but no longer than the driver supports.
7995 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7996 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8001 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8003 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8006 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8008 /* get the channel if any has been specified, otherwise pass NULL to
8009 * the driver. The latter will use the current one
8011 chandef
.chan
= NULL
;
8012 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8013 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8018 if (!chandef
.chan
&& params
.offchan
)
8021 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8022 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8024 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8025 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8028 if (len
% sizeof(u16
))
8031 params
.n_csa_offsets
= len
/ sizeof(u16
);
8032 params
.csa_offsets
=
8033 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8035 /* check that all the offsets fit the frame */
8036 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8037 if (params
.csa_offsets
[i
] >= params
.len
)
8042 if (!params
.dont_wait_for_ack
) {
8043 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8047 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8055 params
.chan
= chandef
.chan
;
8056 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8061 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8062 goto nla_put_failure
;
8064 genlmsg_end(msg
, hdr
);
8065 return genlmsg_reply(msg
, info
);
8077 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8079 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8080 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8083 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8086 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8089 switch (wdev
->iftype
) {
8090 case NL80211_IFTYPE_STATION
:
8091 case NL80211_IFTYPE_ADHOC
:
8092 case NL80211_IFTYPE_P2P_CLIENT
:
8093 case NL80211_IFTYPE_AP
:
8094 case NL80211_IFTYPE_AP_VLAN
:
8095 case NL80211_IFTYPE_P2P_GO
:
8096 case NL80211_IFTYPE_P2P_DEVICE
:
8102 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8104 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8107 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8109 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8110 struct wireless_dev
*wdev
;
8111 struct net_device
*dev
= info
->user_ptr
[1];
8116 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8119 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8121 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8124 wdev
= dev
->ieee80211_ptr
;
8126 if (!rdev
->ops
->set_power_mgmt
)
8129 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8131 if (state
== wdev
->ps
)
8134 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8140 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8142 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8143 enum nl80211_ps_state ps_state
;
8144 struct wireless_dev
*wdev
;
8145 struct net_device
*dev
= info
->user_ptr
[1];
8146 struct sk_buff
*msg
;
8150 wdev
= dev
->ieee80211_ptr
;
8152 if (!rdev
->ops
->set_power_mgmt
)
8155 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8159 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8160 NL80211_CMD_GET_POWER_SAVE
);
8167 ps_state
= NL80211_PS_ENABLED
;
8169 ps_state
= NL80211_PS_DISABLED
;
8171 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8172 goto nla_put_failure
;
8174 genlmsg_end(msg
, hdr
);
8175 return genlmsg_reply(msg
, info
);
8184 static const struct nla_policy
8185 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8186 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8187 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8188 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8189 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8190 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8191 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8194 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8195 u32 rate
, u32 pkts
, u32 intvl
)
8197 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8198 struct net_device
*dev
= info
->user_ptr
[1];
8199 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8201 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8204 if (!rdev
->ops
->set_cqm_txe_config
)
8207 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8208 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8211 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8214 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8215 s32 threshold
, u32 hysteresis
)
8217 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8218 struct net_device
*dev
= info
->user_ptr
[1];
8219 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8224 /* disabling - hysteresis should also be zero then */
8228 if (!rdev
->ops
->set_cqm_rssi_config
)
8231 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8232 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8235 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8238 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8240 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8244 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8248 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8249 nl80211_attr_cqm_policy
);
8253 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8254 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8255 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8256 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8258 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8261 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8262 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8263 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8264 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8265 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8266 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8268 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8274 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8276 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8277 struct net_device
*dev
= info
->user_ptr
[1];
8278 struct mesh_config cfg
;
8279 struct mesh_setup setup
;
8282 /* start with default */
8283 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8284 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8286 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8287 /* and parse parameters if given */
8288 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8293 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8294 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8297 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8298 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8300 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8301 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8302 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8305 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8306 setup
.beacon_interval
=
8307 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8308 if (setup
.beacon_interval
< 10 ||
8309 setup
.beacon_interval
> 10000)
8313 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8315 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8316 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8320 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8321 /* parse additional setup parameters if given */
8322 err
= nl80211_parse_mesh_setup(info
, &setup
);
8328 cfg
.auto_open_plinks
= false;
8330 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8331 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8335 /* cfg80211_join_mesh() will sort it out */
8336 setup
.chandef
.chan
= NULL
;
8339 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8340 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8342 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8343 struct ieee80211_supported_band
*sband
;
8345 if (!setup
.chandef
.chan
)
8348 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8350 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8351 &setup
.basic_rates
);
8356 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8359 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8361 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8362 struct net_device
*dev
= info
->user_ptr
[1];
8364 return cfg80211_leave_mesh(rdev
, dev
);
8368 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8369 struct cfg80211_registered_device
*rdev
)
8371 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8372 struct nlattr
*nl_pats
, *nl_pat
;
8375 if (!wowlan
->n_patterns
)
8378 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8382 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8383 nl_pat
= nla_nest_start(msg
, i
+ 1);
8386 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8387 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8388 wowlan
->patterns
[i
].mask
) ||
8389 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8390 wowlan
->patterns
[i
].pattern
) ||
8391 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8392 wowlan
->patterns
[i
].pkt_offset
))
8394 nla_nest_end(msg
, nl_pat
);
8396 nla_nest_end(msg
, nl_pats
);
8401 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8402 struct cfg80211_wowlan_tcp
*tcp
)
8404 struct nlattr
*nl_tcp
;
8409 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8413 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8414 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8415 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8416 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8417 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8418 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8419 tcp
->payload_len
, tcp
->payload
) ||
8420 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8421 tcp
->data_interval
) ||
8422 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8423 tcp
->wake_len
, tcp
->wake_data
) ||
8424 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8425 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8428 if (tcp
->payload_seq
.len
&&
8429 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8430 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8433 if (tcp
->payload_tok
.len
&&
8434 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8435 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8439 nla_nest_end(msg
, nl_tcp
);
8444 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8446 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8447 struct sk_buff
*msg
;
8449 u32 size
= NLMSG_DEFAULT_SIZE
;
8451 if (!rdev
->wiphy
.wowlan
)
8454 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8455 /* adjust size to have room for all the data */
8456 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8457 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8458 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8459 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8462 msg
= nlmsg_new(size
, GFP_KERNEL
);
8466 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8467 NL80211_CMD_GET_WOWLAN
);
8469 goto nla_put_failure
;
8471 if (rdev
->wiphy
.wowlan_config
) {
8472 struct nlattr
*nl_wowlan
;
8474 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8476 goto nla_put_failure
;
8478 if ((rdev
->wiphy
.wowlan_config
->any
&&
8479 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8480 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8481 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8482 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8483 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8484 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8485 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8486 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8487 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8488 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8489 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8490 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8491 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8492 goto nla_put_failure
;
8494 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8495 goto nla_put_failure
;
8497 if (nl80211_send_wowlan_tcp(msg
,
8498 rdev
->wiphy
.wowlan_config
->tcp
))
8499 goto nla_put_failure
;
8501 nla_nest_end(msg
, nl_wowlan
);
8504 genlmsg_end(msg
, hdr
);
8505 return genlmsg_reply(msg
, info
);
8512 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8513 struct nlattr
*attr
,
8514 struct cfg80211_wowlan
*trig
)
8516 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8517 struct cfg80211_wowlan_tcp
*cfg
;
8518 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8519 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8521 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8524 if (!rdev
->wiphy
.wowlan
->tcp
)
8527 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8528 nla_data(attr
), nla_len(attr
),
8529 nl80211_wowlan_tcp_policy
);
8533 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8534 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8535 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8536 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8537 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8538 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8539 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8540 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8543 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8544 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8547 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8548 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8549 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8552 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8553 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8556 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8557 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8560 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8561 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8563 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8564 tokens_size
= tokln
- sizeof(*tok
);
8566 if (!tok
->len
|| tokens_size
% tok
->len
)
8568 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8570 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8572 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8574 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8576 if (tok
->offset
+ tok
->len
> data_size
)
8580 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8581 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8582 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8584 if (seq
->len
== 0 || seq
->len
> 4)
8586 if (seq
->len
+ seq
->offset
> data_size
)
8590 size
= sizeof(*cfg
);
8592 size
+= wake_size
+ wake_mask_size
;
8593 size
+= tokens_size
;
8595 cfg
= kzalloc(size
, GFP_KERNEL
);
8598 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8599 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8600 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8602 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8603 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8607 /* allocate a socket and port for it and use it */
8608 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8609 IPPROTO_TCP
, &cfg
->sock
, 1);
8614 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8615 sock_release(cfg
->sock
);
8619 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8625 cfg
->src_port
= port
;
8628 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8629 cfg
->payload_len
= data_size
;
8630 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8631 memcpy((void *)cfg
->payload
,
8632 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8635 cfg
->payload_seq
= *seq
;
8636 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8637 cfg
->wake_len
= wake_size
;
8638 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8639 memcpy((void *)cfg
->wake_data
,
8640 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8642 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8643 data_size
+ wake_size
;
8644 memcpy((void *)cfg
->wake_mask
,
8645 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8648 cfg
->tokens_size
= tokens_size
;
8649 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8657 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8659 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8660 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8661 struct cfg80211_wowlan new_triggers
= {};
8662 struct cfg80211_wowlan
*ntrig
;
8663 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8665 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8670 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8671 cfg80211_rdev_free_wowlan(rdev
);
8672 rdev
->wiphy
.wowlan_config
= NULL
;
8676 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8677 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8678 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8679 nl80211_wowlan_policy
);
8683 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8684 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8686 new_triggers
.any
= true;
8689 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8690 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8692 new_triggers
.disconnect
= true;
8695 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8696 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8698 new_triggers
.magic_pkt
= true;
8701 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8704 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8705 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8707 new_triggers
.gtk_rekey_failure
= true;
8710 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8711 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8713 new_triggers
.eap_identity_req
= true;
8716 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8717 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8719 new_triggers
.four_way_handshake
= true;
8722 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8723 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8725 new_triggers
.rfkill_release
= true;
8728 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8731 int rem
, pat_len
, mask_len
, pkt_offset
;
8732 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8734 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8737 if (n_patterns
> wowlan
->n_patterns
)
8740 new_triggers
.patterns
= kcalloc(n_patterns
,
8741 sizeof(new_triggers
.patterns
[0]),
8743 if (!new_triggers
.patterns
)
8746 new_triggers
.n_patterns
= n_patterns
;
8749 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8753 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8754 nla_len(pat
), NULL
);
8756 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8757 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8759 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8760 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8761 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8763 if (pat_len
> wowlan
->pattern_max_len
||
8764 pat_len
< wowlan
->pattern_min_len
)
8767 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8770 pkt_offset
= nla_get_u32(
8771 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8772 if (pkt_offset
> wowlan
->max_pkt_offset
)
8774 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8776 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8781 new_triggers
.patterns
[i
].mask
= mask_pat
;
8782 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8784 mask_pat
+= mask_len
;
8785 new_triggers
.patterns
[i
].pattern
= mask_pat
;
8786 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8788 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8794 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8795 err
= nl80211_parse_wowlan_tcp(
8796 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8802 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8807 cfg80211_rdev_free_wowlan(rdev
);
8808 rdev
->wiphy
.wowlan_config
= ntrig
;
8811 if (rdev
->ops
->set_wakeup
&&
8812 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8813 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8817 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8818 kfree(new_triggers
.patterns
[i
].mask
);
8819 kfree(new_triggers
.patterns
);
8820 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8821 sock_release(new_triggers
.tcp
->sock
);
8822 kfree(new_triggers
.tcp
);
8827 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8828 struct cfg80211_registered_device
*rdev
)
8830 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8832 struct cfg80211_coalesce_rules
*rule
;
8834 if (!rdev
->coalesce
->n_rules
)
8837 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8841 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8842 nl_rule
= nla_nest_start(msg
, i
+ 1);
8846 rule
= &rdev
->coalesce
->rules
[i
];
8847 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8851 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8855 nl_pats
= nla_nest_start(msg
,
8856 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8860 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8861 nl_pat
= nla_nest_start(msg
, j
+ 1);
8864 pat_len
= rule
->patterns
[j
].pattern_len
;
8865 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8866 DIV_ROUND_UP(pat_len
, 8),
8867 rule
->patterns
[j
].mask
) ||
8868 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8869 rule
->patterns
[j
].pattern
) ||
8870 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8871 rule
->patterns
[j
].pkt_offset
))
8873 nla_nest_end(msg
, nl_pat
);
8875 nla_nest_end(msg
, nl_pats
);
8876 nla_nest_end(msg
, nl_rule
);
8878 nla_nest_end(msg
, nl_rules
);
8883 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8885 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8886 struct sk_buff
*msg
;
8889 if (!rdev
->wiphy
.coalesce
)
8892 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8896 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8897 NL80211_CMD_GET_COALESCE
);
8899 goto nla_put_failure
;
8901 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8902 goto nla_put_failure
;
8904 genlmsg_end(msg
, hdr
);
8905 return genlmsg_reply(msg
, info
);
8912 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8914 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8916 struct cfg80211_coalesce_rules
*rule
;
8921 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8922 rule
= &coalesce
->rules
[i
];
8923 for (j
= 0; j
< rule
->n_patterns
; j
++)
8924 kfree(rule
->patterns
[j
].mask
);
8925 kfree(rule
->patterns
);
8927 kfree(coalesce
->rules
);
8929 rdev
->coalesce
= NULL
;
8932 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8933 struct nlattr
*rule
,
8934 struct cfg80211_coalesce_rules
*new_rule
)
8937 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8938 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8939 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8940 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8942 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8943 nla_len(rule
), nl80211_coalesce_policy
);
8947 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8949 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8950 if (new_rule
->delay
> coalesce
->max_delay
)
8953 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8954 new_rule
->condition
=
8955 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8956 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8957 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8960 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8963 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8966 if (n_patterns
> coalesce
->n_patterns
)
8969 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8971 if (!new_rule
->patterns
)
8974 new_rule
->n_patterns
= n_patterns
;
8977 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8981 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8982 nla_len(pat
), NULL
);
8983 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8984 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8986 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8987 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8988 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8990 if (pat_len
> coalesce
->pattern_max_len
||
8991 pat_len
< coalesce
->pattern_min_len
)
8994 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8997 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8998 if (pkt_offset
> coalesce
->max_pkt_offset
)
9000 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9002 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9006 new_rule
->patterns
[i
].mask
= mask_pat
;
9007 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9010 mask_pat
+= mask_len
;
9011 new_rule
->patterns
[i
].pattern
= mask_pat
;
9012 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9013 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9021 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9023 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9024 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9025 struct cfg80211_coalesce new_coalesce
= {};
9026 struct cfg80211_coalesce
*n_coalesce
;
9027 int err
, rem_rule
, n_rules
= 0, i
, j
;
9028 struct nlattr
*rule
;
9029 struct cfg80211_coalesce_rules
*tmp_rule
;
9031 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9034 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9035 cfg80211_rdev_free_coalesce(rdev
);
9036 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9040 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9043 if (n_rules
> coalesce
->n_rules
)
9046 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9048 if (!new_coalesce
.rules
)
9051 new_coalesce
.n_rules
= n_rules
;
9054 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9056 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9057 &new_coalesce
.rules
[i
]);
9064 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9068 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9073 cfg80211_rdev_free_coalesce(rdev
);
9074 rdev
->coalesce
= n_coalesce
;
9078 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9079 tmp_rule
= &new_coalesce
.rules
[i
];
9080 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9081 kfree(tmp_rule
->patterns
[j
].mask
);
9082 kfree(tmp_rule
->patterns
);
9084 kfree(new_coalesce
.rules
);
9089 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9091 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9092 struct net_device
*dev
= info
->user_ptr
[1];
9093 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9094 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9095 struct cfg80211_gtk_rekey_data rekey_data
;
9098 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9101 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9102 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9103 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9104 nl80211_rekey_policy
);
9108 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9110 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9112 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9115 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9116 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9117 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9120 if (!wdev
->current_bss
) {
9125 if (!rdev
->ops
->set_rekey_data
) {
9130 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9136 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9137 struct genl_info
*info
)
9139 struct net_device
*dev
= info
->user_ptr
[1];
9140 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9142 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9143 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9146 if (wdev
->ap_unexpected_nlportid
)
9149 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9153 static int nl80211_probe_client(struct sk_buff
*skb
,
9154 struct genl_info
*info
)
9156 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9157 struct net_device
*dev
= info
->user_ptr
[1];
9158 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9159 struct sk_buff
*msg
;
9165 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9166 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9169 if (!info
->attrs
[NL80211_ATTR_MAC
])
9172 if (!rdev
->ops
->probe_client
)
9175 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9179 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9180 NL80211_CMD_PROBE_CLIENT
);
9186 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9188 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9192 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9193 goto nla_put_failure
;
9195 genlmsg_end(msg
, hdr
);
9197 return genlmsg_reply(msg
, info
);
9206 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9208 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9209 struct cfg80211_beacon_registration
*reg
, *nreg
;
9212 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9215 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9219 /* First, check if already registered. */
9220 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9221 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9222 if (reg
->nlportid
== info
->snd_portid
) {
9227 /* Add it to the list */
9228 nreg
->nlportid
= info
->snd_portid
;
9229 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9231 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9235 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9240 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9242 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9243 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9246 if (!rdev
->ops
->start_p2p_device
)
9249 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9252 if (wdev
->p2p_started
)
9255 if (rfkill_blocked(rdev
->rfkill
))
9258 err
= rdev_start_p2p_device(rdev
, wdev
);
9262 wdev
->p2p_started
= true;
9268 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9270 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9271 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9273 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9276 if (!rdev
->ops
->stop_p2p_device
)
9279 cfg80211_stop_p2p_device(rdev
, wdev
);
9284 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9285 struct genl_info
*info
)
9288 struct sk_buff
*msg
;
9290 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9294 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9295 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9297 goto nla_put_failure
;
9299 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9300 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9301 goto nla_put_failure
;
9303 genlmsg_end(msg
, hdr
);
9304 return genlmsg_reply(msg
, info
);
9311 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9313 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9314 struct cfg80211_update_ft_ies_params ft_params
;
9315 struct net_device
*dev
= info
->user_ptr
[1];
9317 if (!rdev
->ops
->update_ft_ies
)
9320 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9321 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9324 memset(&ft_params
, 0, sizeof(ft_params
));
9325 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9326 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9327 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9329 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9332 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9333 struct genl_info
*info
)
9335 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9336 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9337 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9341 if (!rdev
->ops
->crit_proto_start
)
9344 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9347 if (rdev
->crit_proto_nlportid
)
9350 /* determine protocol if provided */
9351 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9352 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9354 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9357 /* timeout must be provided */
9358 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9362 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9364 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9367 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9369 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9374 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9375 struct genl_info
*info
)
9377 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9378 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9380 if (!rdev
->ops
->crit_proto_stop
)
9383 if (rdev
->crit_proto_nlportid
) {
9384 rdev
->crit_proto_nlportid
= 0;
9385 rdev_crit_proto_stop(rdev
, wdev
);
9390 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9392 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9393 struct wireless_dev
*wdev
=
9394 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9398 if (!rdev
->wiphy
.vendor_commands
)
9402 err
= PTR_ERR(wdev
);
9406 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9410 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9411 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9414 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9415 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9416 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9417 const struct wiphy_vendor_command
*vcmd
;
9421 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9423 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9426 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9427 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9430 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9434 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9436 !netif_running(wdev
->netdev
))
9438 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9445 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9446 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9447 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9450 rdev
->cur_cmd_info
= info
;
9451 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9453 rdev
->cur_cmd_info
= NULL
;
9460 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9461 enum nl80211_commands cmd
,
9462 enum nl80211_attrs attr
,
9465 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9467 if (WARN_ON(!rdev
->cur_cmd_info
))
9470 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9471 rdev
->cur_cmd_info
->snd_portid
,
9472 rdev
->cur_cmd_info
->snd_seq
,
9473 cmd
, attr
, NULL
, GFP_KERNEL
);
9475 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9477 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9479 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9480 void *hdr
= ((void **)skb
->cb
)[1];
9481 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9483 /* clear CB data for netlink core to own from now on */
9484 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9486 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9491 nla_nest_end(skb
, data
);
9492 genlmsg_end(skb
, hdr
);
9493 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9495 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9498 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9499 struct genl_info
*info
)
9501 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9502 struct cfg80211_qos_map
*qos_map
= NULL
;
9503 struct net_device
*dev
= info
->user_ptr
[1];
9504 u8
*pos
, len
, num_des
, des_len
, des
;
9507 if (!rdev
->ops
->set_qos_map
)
9510 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9511 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9512 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9514 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9515 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9518 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9522 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9525 sizeof(struct cfg80211_dscp_exception
);
9526 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9527 qos_map
->num_des
= num_des
;
9528 for (des
= 0; des
< num_des
; des
++) {
9529 if (qos_map
->dscp_exception
[des
].up
> 7) {
9536 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9539 wdev_lock(dev
->ieee80211_ptr
);
9540 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9542 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9543 wdev_unlock(dev
->ieee80211_ptr
);
9549 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9551 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9552 struct net_device
*dev
= info
->user_ptr
[1];
9553 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9556 u16 admitted_time
= 0;
9559 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
9562 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
9563 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
9566 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9567 if (tsid
>= IEEE80211_NUM_TIDS
)
9570 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
9571 if (up
>= IEEE80211_NUM_UPS
)
9574 /* WMM uses TIDs 0-7 even for TSPEC */
9575 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
9576 /* TODO: handle 802.11 TSPEC/admission control
9577 * need more attributes for that (e.g. BA session requirement);
9578 * change the WMM adminssion test above to allow both then
9583 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9585 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
9587 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
9593 switch (wdev
->iftype
) {
9594 case NL80211_IFTYPE_STATION
:
9595 case NL80211_IFTYPE_P2P_CLIENT
:
9596 if (wdev
->current_bss
)
9605 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
9612 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9614 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9615 struct net_device
*dev
= info
->user_ptr
[1];
9616 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9621 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
9624 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9625 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9628 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
9634 #define NL80211_FLAG_NEED_WIPHY 0x01
9635 #define NL80211_FLAG_NEED_NETDEV 0x02
9636 #define NL80211_FLAG_NEED_RTNL 0x04
9637 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9638 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9639 NL80211_FLAG_CHECK_NETDEV_UP)
9640 #define NL80211_FLAG_NEED_WDEV 0x10
9641 /* If a netdev is associated, it must be UP, P2P must be started */
9642 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9643 NL80211_FLAG_CHECK_NETDEV_UP)
9644 #define NL80211_FLAG_CLEAR_SKB 0x20
9646 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9647 struct genl_info
*info
)
9649 struct cfg80211_registered_device
*rdev
;
9650 struct wireless_dev
*wdev
;
9651 struct net_device
*dev
;
9652 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9657 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9658 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9662 return PTR_ERR(rdev
);
9664 info
->user_ptr
[0] = rdev
;
9665 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9666 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9669 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9674 return PTR_ERR(wdev
);
9678 rdev
= wiphy_to_rdev(wdev
->wiphy
);
9680 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9687 info
->user_ptr
[1] = dev
;
9689 info
->user_ptr
[1] = wdev
;
9693 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9694 !netif_running(dev
)) {
9701 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9702 if (!wdev
->p2p_started
) {
9709 info
->user_ptr
[0] = rdev
;
9715 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9716 struct genl_info
*info
)
9718 if (info
->user_ptr
[1]) {
9719 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9720 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9723 dev_put(wdev
->netdev
);
9725 dev_put(info
->user_ptr
[1]);
9729 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9732 /* If needed, clear the netlink message payload from the SKB
9733 * as it might contain key data that shouldn't stick around on
9734 * the heap after the SKB is freed. The netlink message header
9735 * is still needed for further processing, so leave it intact.
9737 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
9738 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
9740 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
9744 static const struct genl_ops nl80211_ops
[] = {
9746 .cmd
= NL80211_CMD_GET_WIPHY
,
9747 .doit
= nl80211_get_wiphy
,
9748 .dumpit
= nl80211_dump_wiphy
,
9749 .done
= nl80211_dump_wiphy_done
,
9750 .policy
= nl80211_policy
,
9751 /* can be retrieved by unprivileged users */
9752 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9753 NL80211_FLAG_NEED_RTNL
,
9756 .cmd
= NL80211_CMD_SET_WIPHY
,
9757 .doit
= nl80211_set_wiphy
,
9758 .policy
= nl80211_policy
,
9759 .flags
= GENL_ADMIN_PERM
,
9760 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9763 .cmd
= NL80211_CMD_GET_INTERFACE
,
9764 .doit
= nl80211_get_interface
,
9765 .dumpit
= nl80211_dump_interface
,
9766 .policy
= nl80211_policy
,
9767 /* can be retrieved by unprivileged users */
9768 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9769 NL80211_FLAG_NEED_RTNL
,
9772 .cmd
= NL80211_CMD_SET_INTERFACE
,
9773 .doit
= nl80211_set_interface
,
9774 .policy
= nl80211_policy
,
9775 .flags
= GENL_ADMIN_PERM
,
9776 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9777 NL80211_FLAG_NEED_RTNL
,
9780 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9781 .doit
= nl80211_new_interface
,
9782 .policy
= nl80211_policy
,
9783 .flags
= GENL_ADMIN_PERM
,
9784 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9785 NL80211_FLAG_NEED_RTNL
,
9788 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9789 .doit
= nl80211_del_interface
,
9790 .policy
= nl80211_policy
,
9791 .flags
= GENL_ADMIN_PERM
,
9792 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9793 NL80211_FLAG_NEED_RTNL
,
9796 .cmd
= NL80211_CMD_GET_KEY
,
9797 .doit
= nl80211_get_key
,
9798 .policy
= nl80211_policy
,
9799 .flags
= GENL_ADMIN_PERM
,
9800 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9801 NL80211_FLAG_NEED_RTNL
,
9804 .cmd
= NL80211_CMD_SET_KEY
,
9805 .doit
= nl80211_set_key
,
9806 .policy
= nl80211_policy
,
9807 .flags
= GENL_ADMIN_PERM
,
9808 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9809 NL80211_FLAG_NEED_RTNL
|
9810 NL80211_FLAG_CLEAR_SKB
,
9813 .cmd
= NL80211_CMD_NEW_KEY
,
9814 .doit
= nl80211_new_key
,
9815 .policy
= nl80211_policy
,
9816 .flags
= GENL_ADMIN_PERM
,
9817 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9818 NL80211_FLAG_NEED_RTNL
|
9819 NL80211_FLAG_CLEAR_SKB
,
9822 .cmd
= NL80211_CMD_DEL_KEY
,
9823 .doit
= nl80211_del_key
,
9824 .policy
= nl80211_policy
,
9825 .flags
= GENL_ADMIN_PERM
,
9826 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9827 NL80211_FLAG_NEED_RTNL
,
9830 .cmd
= NL80211_CMD_SET_BEACON
,
9831 .policy
= nl80211_policy
,
9832 .flags
= GENL_ADMIN_PERM
,
9833 .doit
= nl80211_set_beacon
,
9834 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9835 NL80211_FLAG_NEED_RTNL
,
9838 .cmd
= NL80211_CMD_START_AP
,
9839 .policy
= nl80211_policy
,
9840 .flags
= GENL_ADMIN_PERM
,
9841 .doit
= nl80211_start_ap
,
9842 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9843 NL80211_FLAG_NEED_RTNL
,
9846 .cmd
= NL80211_CMD_STOP_AP
,
9847 .policy
= nl80211_policy
,
9848 .flags
= GENL_ADMIN_PERM
,
9849 .doit
= nl80211_stop_ap
,
9850 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9851 NL80211_FLAG_NEED_RTNL
,
9854 .cmd
= NL80211_CMD_GET_STATION
,
9855 .doit
= nl80211_get_station
,
9856 .dumpit
= nl80211_dump_station
,
9857 .policy
= nl80211_policy
,
9858 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9859 NL80211_FLAG_NEED_RTNL
,
9862 .cmd
= NL80211_CMD_SET_STATION
,
9863 .doit
= nl80211_set_station
,
9864 .policy
= nl80211_policy
,
9865 .flags
= GENL_ADMIN_PERM
,
9866 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9867 NL80211_FLAG_NEED_RTNL
,
9870 .cmd
= NL80211_CMD_NEW_STATION
,
9871 .doit
= nl80211_new_station
,
9872 .policy
= nl80211_policy
,
9873 .flags
= GENL_ADMIN_PERM
,
9874 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9875 NL80211_FLAG_NEED_RTNL
,
9878 .cmd
= NL80211_CMD_DEL_STATION
,
9879 .doit
= nl80211_del_station
,
9880 .policy
= nl80211_policy
,
9881 .flags
= GENL_ADMIN_PERM
,
9882 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9883 NL80211_FLAG_NEED_RTNL
,
9886 .cmd
= NL80211_CMD_GET_MPATH
,
9887 .doit
= nl80211_get_mpath
,
9888 .dumpit
= nl80211_dump_mpath
,
9889 .policy
= nl80211_policy
,
9890 .flags
= GENL_ADMIN_PERM
,
9891 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9892 NL80211_FLAG_NEED_RTNL
,
9895 .cmd
= NL80211_CMD_GET_MPP
,
9896 .doit
= nl80211_get_mpp
,
9897 .dumpit
= nl80211_dump_mpp
,
9898 .policy
= nl80211_policy
,
9899 .flags
= GENL_ADMIN_PERM
,
9900 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9901 NL80211_FLAG_NEED_RTNL
,
9904 .cmd
= NL80211_CMD_SET_MPATH
,
9905 .doit
= nl80211_set_mpath
,
9906 .policy
= nl80211_policy
,
9907 .flags
= GENL_ADMIN_PERM
,
9908 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9909 NL80211_FLAG_NEED_RTNL
,
9912 .cmd
= NL80211_CMD_NEW_MPATH
,
9913 .doit
= nl80211_new_mpath
,
9914 .policy
= nl80211_policy
,
9915 .flags
= GENL_ADMIN_PERM
,
9916 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9917 NL80211_FLAG_NEED_RTNL
,
9920 .cmd
= NL80211_CMD_DEL_MPATH
,
9921 .doit
= nl80211_del_mpath
,
9922 .policy
= nl80211_policy
,
9923 .flags
= GENL_ADMIN_PERM
,
9924 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9925 NL80211_FLAG_NEED_RTNL
,
9928 .cmd
= NL80211_CMD_SET_BSS
,
9929 .doit
= nl80211_set_bss
,
9930 .policy
= nl80211_policy
,
9931 .flags
= GENL_ADMIN_PERM
,
9932 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9933 NL80211_FLAG_NEED_RTNL
,
9936 .cmd
= NL80211_CMD_GET_REG
,
9937 .doit
= nl80211_get_reg
,
9938 .policy
= nl80211_policy
,
9939 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9940 /* can be retrieved by unprivileged users */
9943 .cmd
= NL80211_CMD_SET_REG
,
9944 .doit
= nl80211_set_reg
,
9945 .policy
= nl80211_policy
,
9946 .flags
= GENL_ADMIN_PERM
,
9947 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9950 .cmd
= NL80211_CMD_REQ_SET_REG
,
9951 .doit
= nl80211_req_set_reg
,
9952 .policy
= nl80211_policy
,
9953 .flags
= GENL_ADMIN_PERM
,
9956 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9957 .doit
= nl80211_get_mesh_config
,
9958 .policy
= nl80211_policy
,
9959 /* can be retrieved by unprivileged users */
9960 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9961 NL80211_FLAG_NEED_RTNL
,
9964 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9965 .doit
= nl80211_update_mesh_config
,
9966 .policy
= nl80211_policy
,
9967 .flags
= GENL_ADMIN_PERM
,
9968 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9969 NL80211_FLAG_NEED_RTNL
,
9972 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9973 .doit
= nl80211_trigger_scan
,
9974 .policy
= nl80211_policy
,
9975 .flags
= GENL_ADMIN_PERM
,
9976 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9977 NL80211_FLAG_NEED_RTNL
,
9980 .cmd
= NL80211_CMD_GET_SCAN
,
9981 .policy
= nl80211_policy
,
9982 .dumpit
= nl80211_dump_scan
,
9985 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9986 .doit
= nl80211_start_sched_scan
,
9987 .policy
= nl80211_policy
,
9988 .flags
= GENL_ADMIN_PERM
,
9989 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9990 NL80211_FLAG_NEED_RTNL
,
9993 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9994 .doit
= nl80211_stop_sched_scan
,
9995 .policy
= nl80211_policy
,
9996 .flags
= GENL_ADMIN_PERM
,
9997 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9998 NL80211_FLAG_NEED_RTNL
,
10001 .cmd
= NL80211_CMD_AUTHENTICATE
,
10002 .doit
= nl80211_authenticate
,
10003 .policy
= nl80211_policy
,
10004 .flags
= GENL_ADMIN_PERM
,
10005 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10006 NL80211_FLAG_NEED_RTNL
|
10007 NL80211_FLAG_CLEAR_SKB
,
10010 .cmd
= NL80211_CMD_ASSOCIATE
,
10011 .doit
= nl80211_associate
,
10012 .policy
= nl80211_policy
,
10013 .flags
= GENL_ADMIN_PERM
,
10014 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10015 NL80211_FLAG_NEED_RTNL
,
10018 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10019 .doit
= nl80211_deauthenticate
,
10020 .policy
= nl80211_policy
,
10021 .flags
= GENL_ADMIN_PERM
,
10022 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10023 NL80211_FLAG_NEED_RTNL
,
10026 .cmd
= NL80211_CMD_DISASSOCIATE
,
10027 .doit
= nl80211_disassociate
,
10028 .policy
= nl80211_policy
,
10029 .flags
= GENL_ADMIN_PERM
,
10030 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10031 NL80211_FLAG_NEED_RTNL
,
10034 .cmd
= NL80211_CMD_JOIN_IBSS
,
10035 .doit
= nl80211_join_ibss
,
10036 .policy
= nl80211_policy
,
10037 .flags
= GENL_ADMIN_PERM
,
10038 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10039 NL80211_FLAG_NEED_RTNL
,
10042 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10043 .doit
= nl80211_leave_ibss
,
10044 .policy
= nl80211_policy
,
10045 .flags
= GENL_ADMIN_PERM
,
10046 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10047 NL80211_FLAG_NEED_RTNL
,
10049 #ifdef CONFIG_NL80211_TESTMODE
10051 .cmd
= NL80211_CMD_TESTMODE
,
10052 .doit
= nl80211_testmode_do
,
10053 .dumpit
= nl80211_testmode_dump
,
10054 .policy
= nl80211_policy
,
10055 .flags
= GENL_ADMIN_PERM
,
10056 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10057 NL80211_FLAG_NEED_RTNL
,
10061 .cmd
= NL80211_CMD_CONNECT
,
10062 .doit
= nl80211_connect
,
10063 .policy
= nl80211_policy
,
10064 .flags
= GENL_ADMIN_PERM
,
10065 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10066 NL80211_FLAG_NEED_RTNL
,
10069 .cmd
= NL80211_CMD_DISCONNECT
,
10070 .doit
= nl80211_disconnect
,
10071 .policy
= nl80211_policy
,
10072 .flags
= GENL_ADMIN_PERM
,
10073 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10074 NL80211_FLAG_NEED_RTNL
,
10077 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10078 .doit
= nl80211_wiphy_netns
,
10079 .policy
= nl80211_policy
,
10080 .flags
= GENL_ADMIN_PERM
,
10081 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10082 NL80211_FLAG_NEED_RTNL
,
10085 .cmd
= NL80211_CMD_GET_SURVEY
,
10086 .policy
= nl80211_policy
,
10087 .dumpit
= nl80211_dump_survey
,
10090 .cmd
= NL80211_CMD_SET_PMKSA
,
10091 .doit
= nl80211_setdel_pmksa
,
10092 .policy
= nl80211_policy
,
10093 .flags
= GENL_ADMIN_PERM
,
10094 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10095 NL80211_FLAG_NEED_RTNL
,
10098 .cmd
= NL80211_CMD_DEL_PMKSA
,
10099 .doit
= nl80211_setdel_pmksa
,
10100 .policy
= nl80211_policy
,
10101 .flags
= GENL_ADMIN_PERM
,
10102 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10103 NL80211_FLAG_NEED_RTNL
,
10106 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10107 .doit
= nl80211_flush_pmksa
,
10108 .policy
= nl80211_policy
,
10109 .flags
= GENL_ADMIN_PERM
,
10110 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10111 NL80211_FLAG_NEED_RTNL
,
10114 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10115 .doit
= nl80211_remain_on_channel
,
10116 .policy
= nl80211_policy
,
10117 .flags
= GENL_ADMIN_PERM
,
10118 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10119 NL80211_FLAG_NEED_RTNL
,
10122 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10123 .doit
= nl80211_cancel_remain_on_channel
,
10124 .policy
= nl80211_policy
,
10125 .flags
= GENL_ADMIN_PERM
,
10126 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10127 NL80211_FLAG_NEED_RTNL
,
10130 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10131 .doit
= nl80211_set_tx_bitrate_mask
,
10132 .policy
= nl80211_policy
,
10133 .flags
= GENL_ADMIN_PERM
,
10134 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10135 NL80211_FLAG_NEED_RTNL
,
10138 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10139 .doit
= nl80211_register_mgmt
,
10140 .policy
= nl80211_policy
,
10141 .flags
= GENL_ADMIN_PERM
,
10142 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10143 NL80211_FLAG_NEED_RTNL
,
10146 .cmd
= NL80211_CMD_FRAME
,
10147 .doit
= nl80211_tx_mgmt
,
10148 .policy
= nl80211_policy
,
10149 .flags
= GENL_ADMIN_PERM
,
10150 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10151 NL80211_FLAG_NEED_RTNL
,
10154 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10155 .doit
= nl80211_tx_mgmt_cancel_wait
,
10156 .policy
= nl80211_policy
,
10157 .flags
= GENL_ADMIN_PERM
,
10158 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10159 NL80211_FLAG_NEED_RTNL
,
10162 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10163 .doit
= nl80211_set_power_save
,
10164 .policy
= nl80211_policy
,
10165 .flags
= GENL_ADMIN_PERM
,
10166 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10167 NL80211_FLAG_NEED_RTNL
,
10170 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10171 .doit
= nl80211_get_power_save
,
10172 .policy
= nl80211_policy
,
10173 /* can be retrieved by unprivileged users */
10174 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10175 NL80211_FLAG_NEED_RTNL
,
10178 .cmd
= NL80211_CMD_SET_CQM
,
10179 .doit
= nl80211_set_cqm
,
10180 .policy
= nl80211_policy
,
10181 .flags
= GENL_ADMIN_PERM
,
10182 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10183 NL80211_FLAG_NEED_RTNL
,
10186 .cmd
= NL80211_CMD_SET_CHANNEL
,
10187 .doit
= nl80211_set_channel
,
10188 .policy
= nl80211_policy
,
10189 .flags
= GENL_ADMIN_PERM
,
10190 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10191 NL80211_FLAG_NEED_RTNL
,
10194 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10195 .doit
= nl80211_set_wds_peer
,
10196 .policy
= nl80211_policy
,
10197 .flags
= GENL_ADMIN_PERM
,
10198 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10199 NL80211_FLAG_NEED_RTNL
,
10202 .cmd
= NL80211_CMD_JOIN_MESH
,
10203 .doit
= nl80211_join_mesh
,
10204 .policy
= nl80211_policy
,
10205 .flags
= GENL_ADMIN_PERM
,
10206 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10207 NL80211_FLAG_NEED_RTNL
,
10210 .cmd
= NL80211_CMD_LEAVE_MESH
,
10211 .doit
= nl80211_leave_mesh
,
10212 .policy
= nl80211_policy
,
10213 .flags
= GENL_ADMIN_PERM
,
10214 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10215 NL80211_FLAG_NEED_RTNL
,
10219 .cmd
= NL80211_CMD_GET_WOWLAN
,
10220 .doit
= nl80211_get_wowlan
,
10221 .policy
= nl80211_policy
,
10222 /* can be retrieved by unprivileged users */
10223 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10224 NL80211_FLAG_NEED_RTNL
,
10227 .cmd
= NL80211_CMD_SET_WOWLAN
,
10228 .doit
= nl80211_set_wowlan
,
10229 .policy
= nl80211_policy
,
10230 .flags
= GENL_ADMIN_PERM
,
10231 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10232 NL80211_FLAG_NEED_RTNL
,
10236 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10237 .doit
= nl80211_set_rekey_data
,
10238 .policy
= nl80211_policy
,
10239 .flags
= GENL_ADMIN_PERM
,
10240 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10241 NL80211_FLAG_NEED_RTNL
|
10242 NL80211_FLAG_CLEAR_SKB
,
10245 .cmd
= NL80211_CMD_TDLS_MGMT
,
10246 .doit
= nl80211_tdls_mgmt
,
10247 .policy
= nl80211_policy
,
10248 .flags
= GENL_ADMIN_PERM
,
10249 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10250 NL80211_FLAG_NEED_RTNL
,
10253 .cmd
= NL80211_CMD_TDLS_OPER
,
10254 .doit
= nl80211_tdls_oper
,
10255 .policy
= nl80211_policy
,
10256 .flags
= GENL_ADMIN_PERM
,
10257 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10258 NL80211_FLAG_NEED_RTNL
,
10261 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10262 .doit
= nl80211_register_unexpected_frame
,
10263 .policy
= nl80211_policy
,
10264 .flags
= GENL_ADMIN_PERM
,
10265 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10266 NL80211_FLAG_NEED_RTNL
,
10269 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10270 .doit
= nl80211_probe_client
,
10271 .policy
= nl80211_policy
,
10272 .flags
= GENL_ADMIN_PERM
,
10273 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10274 NL80211_FLAG_NEED_RTNL
,
10277 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
10278 .doit
= nl80211_register_beacons
,
10279 .policy
= nl80211_policy
,
10280 .flags
= GENL_ADMIN_PERM
,
10281 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10282 NL80211_FLAG_NEED_RTNL
,
10285 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10286 .doit
= nl80211_set_noack_map
,
10287 .policy
= nl80211_policy
,
10288 .flags
= GENL_ADMIN_PERM
,
10289 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10290 NL80211_FLAG_NEED_RTNL
,
10293 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10294 .doit
= nl80211_start_p2p_device
,
10295 .policy
= nl80211_policy
,
10296 .flags
= GENL_ADMIN_PERM
,
10297 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10298 NL80211_FLAG_NEED_RTNL
,
10301 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10302 .doit
= nl80211_stop_p2p_device
,
10303 .policy
= nl80211_policy
,
10304 .flags
= GENL_ADMIN_PERM
,
10305 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10306 NL80211_FLAG_NEED_RTNL
,
10309 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10310 .doit
= nl80211_set_mcast_rate
,
10311 .policy
= nl80211_policy
,
10312 .flags
= GENL_ADMIN_PERM
,
10313 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10314 NL80211_FLAG_NEED_RTNL
,
10317 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10318 .doit
= nl80211_set_mac_acl
,
10319 .policy
= nl80211_policy
,
10320 .flags
= GENL_ADMIN_PERM
,
10321 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10322 NL80211_FLAG_NEED_RTNL
,
10325 .cmd
= NL80211_CMD_RADAR_DETECT
,
10326 .doit
= nl80211_start_radar_detection
,
10327 .policy
= nl80211_policy
,
10328 .flags
= GENL_ADMIN_PERM
,
10329 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10330 NL80211_FLAG_NEED_RTNL
,
10333 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10334 .doit
= nl80211_get_protocol_features
,
10335 .policy
= nl80211_policy
,
10338 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10339 .doit
= nl80211_update_ft_ies
,
10340 .policy
= nl80211_policy
,
10341 .flags
= GENL_ADMIN_PERM
,
10342 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10343 NL80211_FLAG_NEED_RTNL
,
10346 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10347 .doit
= nl80211_crit_protocol_start
,
10348 .policy
= nl80211_policy
,
10349 .flags
= GENL_ADMIN_PERM
,
10350 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10351 NL80211_FLAG_NEED_RTNL
,
10354 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10355 .doit
= nl80211_crit_protocol_stop
,
10356 .policy
= nl80211_policy
,
10357 .flags
= GENL_ADMIN_PERM
,
10358 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10359 NL80211_FLAG_NEED_RTNL
,
10362 .cmd
= NL80211_CMD_GET_COALESCE
,
10363 .doit
= nl80211_get_coalesce
,
10364 .policy
= nl80211_policy
,
10365 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10366 NL80211_FLAG_NEED_RTNL
,
10369 .cmd
= NL80211_CMD_SET_COALESCE
,
10370 .doit
= nl80211_set_coalesce
,
10371 .policy
= nl80211_policy
,
10372 .flags
= GENL_ADMIN_PERM
,
10373 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10374 NL80211_FLAG_NEED_RTNL
,
10377 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10378 .doit
= nl80211_channel_switch
,
10379 .policy
= nl80211_policy
,
10380 .flags
= GENL_ADMIN_PERM
,
10381 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10382 NL80211_FLAG_NEED_RTNL
,
10385 .cmd
= NL80211_CMD_VENDOR
,
10386 .doit
= nl80211_vendor_cmd
,
10387 .policy
= nl80211_policy
,
10388 .flags
= GENL_ADMIN_PERM
,
10389 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10390 NL80211_FLAG_NEED_RTNL
,
10393 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10394 .doit
= nl80211_set_qos_map
,
10395 .policy
= nl80211_policy
,
10396 .flags
= GENL_ADMIN_PERM
,
10397 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10398 NL80211_FLAG_NEED_RTNL
,
10401 .cmd
= NL80211_CMD_ADD_TX_TS
,
10402 .doit
= nl80211_add_tx_ts
,
10403 .policy
= nl80211_policy
,
10404 .flags
= GENL_ADMIN_PERM
,
10405 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10406 NL80211_FLAG_NEED_RTNL
,
10409 .cmd
= NL80211_CMD_DEL_TX_TS
,
10410 .doit
= nl80211_del_tx_ts
,
10411 .policy
= nl80211_policy
,
10412 .flags
= GENL_ADMIN_PERM
,
10413 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10414 NL80211_FLAG_NEED_RTNL
,
10418 /* notification functions */
10420 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10421 enum nl80211_commands cmd
)
10423 struct sk_buff
*msg
;
10424 struct nl80211_dump_wiphy_state state
= {};
10426 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10427 cmd
!= NL80211_CMD_DEL_WIPHY
);
10429 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10433 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10438 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10439 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10442 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10443 struct cfg80211_registered_device
*rdev
)
10445 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10446 struct nlattr
*nest
;
10452 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10454 goto nla_put_failure
;
10455 for (i
= 0; i
< req
->n_ssids
; i
++) {
10456 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10457 goto nla_put_failure
;
10459 nla_nest_end(msg
, nest
);
10461 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10463 goto nla_put_failure
;
10464 for (i
= 0; i
< req
->n_channels
; i
++) {
10465 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10466 goto nla_put_failure
;
10468 nla_nest_end(msg
, nest
);
10471 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10472 goto nla_put_failure
;
10475 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10476 goto nla_put_failure
;
10483 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10484 struct cfg80211_registered_device
*rdev
,
10485 struct wireless_dev
*wdev
,
10486 u32 portid
, u32 seq
, int flags
,
10491 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10495 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10496 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10497 wdev
->netdev
->ifindex
)) ||
10498 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10499 goto nla_put_failure
;
10501 /* ignore errors and send incomplete event anyway */
10502 nl80211_add_scan_req(msg
, rdev
);
10504 return genlmsg_end(msg
, hdr
);
10507 genlmsg_cancel(msg
, hdr
);
10512 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10513 struct cfg80211_registered_device
*rdev
,
10514 struct net_device
*netdev
,
10515 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10519 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10523 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10524 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10525 goto nla_put_failure
;
10527 return genlmsg_end(msg
, hdr
);
10530 genlmsg_cancel(msg
, hdr
);
10534 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10535 struct wireless_dev
*wdev
)
10537 struct sk_buff
*msg
;
10539 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10543 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10544 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10549 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10550 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10553 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10554 struct wireless_dev
*wdev
, bool aborted
)
10556 struct sk_buff
*msg
;
10558 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10562 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10563 aborted
? NL80211_CMD_SCAN_ABORTED
:
10564 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10572 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10573 struct sk_buff
*msg
)
10578 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10579 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10582 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10583 struct net_device
*netdev
)
10585 struct sk_buff
*msg
;
10587 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10591 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10592 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10597 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10598 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10601 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10602 struct net_device
*netdev
, u32 cmd
)
10604 struct sk_buff
*msg
;
10606 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10610 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10615 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10616 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10620 * This can happen on global regulatory changes or device specific settings
10621 * based on custom world regulatory domains.
10623 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10625 struct sk_buff
*msg
;
10628 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10632 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10638 /* Userspace can always count this one always being set */
10639 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10640 goto nla_put_failure
;
10642 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10643 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10644 NL80211_REGDOM_TYPE_WORLD
))
10645 goto nla_put_failure
;
10646 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10647 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10648 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10649 goto nla_put_failure
;
10650 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10651 request
->intersect
) {
10652 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10653 NL80211_REGDOM_TYPE_INTERSECTION
))
10654 goto nla_put_failure
;
10656 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10657 NL80211_REGDOM_TYPE_COUNTRY
) ||
10658 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10660 goto nla_put_failure
;
10663 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10664 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10665 goto nla_put_failure
;
10667 genlmsg_end(msg
, hdr
);
10670 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10671 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10677 genlmsg_cancel(msg
, hdr
);
10681 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
10682 struct net_device
*netdev
,
10683 const u8
*buf
, size_t len
,
10684 enum nl80211_commands cmd
, gfp_t gfp
,
10687 struct sk_buff
*msg
;
10690 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10694 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10700 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10701 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10702 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10703 goto nla_put_failure
;
10705 if (uapsd_queues
>= 0) {
10706 struct nlattr
*nla_wmm
=
10707 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
10709 goto nla_put_failure
;
10711 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
10713 goto nla_put_failure
;
10715 nla_nest_end(msg
, nla_wmm
);
10718 genlmsg_end(msg
, hdr
);
10720 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10721 NL80211_MCGRP_MLME
, gfp
);
10725 genlmsg_cancel(msg
, hdr
);
10729 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
10730 struct net_device
*netdev
, const u8
*buf
,
10731 size_t len
, gfp_t gfp
)
10733 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10734 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
10737 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
10738 struct net_device
*netdev
, const u8
*buf
,
10739 size_t len
, gfp_t gfp
, int uapsd_queues
)
10741 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10742 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
10745 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
10746 struct net_device
*netdev
, const u8
*buf
,
10747 size_t len
, gfp_t gfp
)
10749 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10750 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
10753 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
10754 struct net_device
*netdev
, const u8
*buf
,
10755 size_t len
, gfp_t gfp
)
10757 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10758 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
10761 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
10764 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10765 struct wiphy
*wiphy
= wdev
->wiphy
;
10766 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
10767 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
10770 if (WARN_ON(len
< 2))
10773 if (ieee80211_is_deauth(mgmt
->frame_control
))
10774 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
10776 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
10778 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
10779 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
10781 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
10783 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
10784 struct net_device
*netdev
, int cmd
,
10785 const u8
*addr
, gfp_t gfp
)
10787 struct sk_buff
*msg
;
10790 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10794 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10800 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10801 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10802 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
10803 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10804 goto nla_put_failure
;
10806 genlmsg_end(msg
, hdr
);
10808 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10809 NL80211_MCGRP_MLME
, gfp
);
10813 genlmsg_cancel(msg
, hdr
);
10817 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10818 struct net_device
*netdev
, const u8
*addr
,
10821 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10825 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10826 struct net_device
*netdev
, const u8
*addr
,
10829 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10833 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10834 struct net_device
*netdev
, const u8
*bssid
,
10835 const u8
*req_ie
, size_t req_ie_len
,
10836 const u8
*resp_ie
, size_t resp_ie_len
,
10837 u16 status
, gfp_t gfp
)
10839 struct sk_buff
*msg
;
10842 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10846 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10852 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10853 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10854 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10855 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10857 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10859 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10860 goto nla_put_failure
;
10862 genlmsg_end(msg
, hdr
);
10864 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10865 NL80211_MCGRP_MLME
, gfp
);
10869 genlmsg_cancel(msg
, hdr
);
10874 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10875 struct net_device
*netdev
, const u8
*bssid
,
10876 const u8
*req_ie
, size_t req_ie_len
,
10877 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10879 struct sk_buff
*msg
;
10882 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10886 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10892 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10893 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10894 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10896 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10898 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10899 goto nla_put_failure
;
10901 genlmsg_end(msg
, hdr
);
10903 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10904 NL80211_MCGRP_MLME
, gfp
);
10908 genlmsg_cancel(msg
, hdr
);
10913 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10914 struct net_device
*netdev
, u16 reason
,
10915 const u8
*ie
, size_t ie_len
, bool from_ap
)
10917 struct sk_buff
*msg
;
10920 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10924 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10930 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10931 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10932 (from_ap
&& reason
&&
10933 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10935 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10936 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10937 goto nla_put_failure
;
10939 genlmsg_end(msg
, hdr
);
10941 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10942 NL80211_MCGRP_MLME
, GFP_KERNEL
);
10946 genlmsg_cancel(msg
, hdr
);
10951 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10952 struct net_device
*netdev
, const u8
*bssid
,
10955 struct sk_buff
*msg
;
10958 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10962 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10968 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10969 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10970 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10971 goto nla_put_failure
;
10973 genlmsg_end(msg
, hdr
);
10975 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10976 NL80211_MCGRP_MLME
, gfp
);
10980 genlmsg_cancel(msg
, hdr
);
10984 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10985 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10987 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10988 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
10989 struct sk_buff
*msg
;
10992 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10995 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10997 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11001 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11007 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11008 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11009 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11011 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11012 goto nla_put_failure
;
11014 genlmsg_end(msg
, hdr
);
11016 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11017 NL80211_MCGRP_MLME
, gfp
);
11021 genlmsg_cancel(msg
, hdr
);
11024 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11026 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11027 struct net_device
*netdev
, const u8
*addr
,
11028 enum nl80211_key_type key_type
, int key_id
,
11029 const u8
*tsc
, gfp_t gfp
)
11031 struct sk_buff
*msg
;
11034 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11038 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11044 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11045 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11046 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11047 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11049 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11050 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11051 goto nla_put_failure
;
11053 genlmsg_end(msg
, hdr
);
11055 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11056 NL80211_MCGRP_MLME
, gfp
);
11060 genlmsg_cancel(msg
, hdr
);
11064 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11065 struct ieee80211_channel
*channel_before
,
11066 struct ieee80211_channel
*channel_after
)
11068 struct sk_buff
*msg
;
11070 struct nlattr
*nl_freq
;
11072 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11076 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11083 * Since we are applying the beacon hint to a wiphy we know its
11084 * wiphy_idx is valid
11086 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11087 goto nla_put_failure
;
11090 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11092 goto nla_put_failure
;
11093 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11094 goto nla_put_failure
;
11095 nla_nest_end(msg
, nl_freq
);
11098 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11100 goto nla_put_failure
;
11101 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11102 goto nla_put_failure
;
11103 nla_nest_end(msg
, nl_freq
);
11105 genlmsg_end(msg
, hdr
);
11108 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11109 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11115 genlmsg_cancel(msg
, hdr
);
11119 static void nl80211_send_remain_on_chan_event(
11120 int cmd
, struct cfg80211_registered_device
*rdev
,
11121 struct wireless_dev
*wdev
, u64 cookie
,
11122 struct ieee80211_channel
*chan
,
11123 unsigned int duration
, gfp_t gfp
)
11125 struct sk_buff
*msg
;
11128 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11132 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11138 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11139 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11140 wdev
->netdev
->ifindex
)) ||
11141 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11142 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11143 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11144 NL80211_CHAN_NO_HT
) ||
11145 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11146 goto nla_put_failure
;
11148 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11149 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11150 goto nla_put_failure
;
11152 genlmsg_end(msg
, hdr
);
11154 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11155 NL80211_MCGRP_MLME
, gfp
);
11159 genlmsg_cancel(msg
, hdr
);
11163 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11164 struct ieee80211_channel
*chan
,
11165 unsigned int duration
, gfp_t gfp
)
11167 struct wiphy
*wiphy
= wdev
->wiphy
;
11168 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11170 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11171 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11172 rdev
, wdev
, cookie
, chan
,
11175 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11177 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11178 struct ieee80211_channel
*chan
,
11181 struct wiphy
*wiphy
= wdev
->wiphy
;
11182 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11184 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11185 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11186 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11188 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11190 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11191 struct station_info
*sinfo
, gfp_t gfp
)
11193 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11194 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11195 struct sk_buff
*msg
;
11197 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11199 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11203 if (nl80211_send_station(msg
, 0, 0, 0,
11204 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11209 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11210 NL80211_MCGRP_MLME
, gfp
);
11212 EXPORT_SYMBOL(cfg80211_new_sta
);
11214 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
11216 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11217 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11218 struct sk_buff
*msg
;
11221 trace_cfg80211_del_sta(dev
, mac_addr
);
11223 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11227 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
11233 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11234 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
11235 goto nla_put_failure
;
11237 genlmsg_end(msg
, hdr
);
11239 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11240 NL80211_MCGRP_MLME
, gfp
);
11244 genlmsg_cancel(msg
, hdr
);
11247 EXPORT_SYMBOL(cfg80211_del_sta
);
11249 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11250 enum nl80211_connect_failed_reason reason
,
11253 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11254 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11255 struct sk_buff
*msg
;
11258 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11262 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11268 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11269 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11270 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11271 goto nla_put_failure
;
11273 genlmsg_end(msg
, hdr
);
11275 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11276 NL80211_MCGRP_MLME
, gfp
);
11280 genlmsg_cancel(msg
, hdr
);
11283 EXPORT_SYMBOL(cfg80211_conn_failed
);
11285 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11286 const u8
*addr
, gfp_t gfp
)
11288 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11289 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11290 struct sk_buff
*msg
;
11292 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11297 msg
= nlmsg_new(100, gfp
);
11301 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11307 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11308 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11309 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11310 goto nla_put_failure
;
11312 genlmsg_end(msg
, hdr
);
11313 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11317 genlmsg_cancel(msg
, hdr
);
11322 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11323 const u8
*addr
, gfp_t gfp
)
11325 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11328 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11330 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11331 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11332 trace_cfg80211_return_bool(false);
11335 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11337 trace_cfg80211_return_bool(ret
);
11340 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11342 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11343 const u8
*addr
, gfp_t gfp
)
11345 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11348 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11350 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11351 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11352 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11353 trace_cfg80211_return_bool(false);
11356 ret
= __nl80211_unexpected_frame(dev
,
11357 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11359 trace_cfg80211_return_bool(ret
);
11362 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11364 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11365 struct wireless_dev
*wdev
, u32 nlportid
,
11366 int freq
, int sig_dbm
,
11367 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11369 struct net_device
*netdev
= wdev
->netdev
;
11370 struct sk_buff
*msg
;
11373 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11377 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11383 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11384 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11385 netdev
->ifindex
)) ||
11386 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11387 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11389 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11390 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11392 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11393 goto nla_put_failure
;
11395 genlmsg_end(msg
, hdr
);
11397 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11400 genlmsg_cancel(msg
, hdr
);
11405 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11406 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11408 struct wiphy
*wiphy
= wdev
->wiphy
;
11409 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11410 struct net_device
*netdev
= wdev
->netdev
;
11411 struct sk_buff
*msg
;
11414 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11416 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11420 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11426 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11427 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11428 netdev
->ifindex
)) ||
11429 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11430 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11431 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11432 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11433 goto nla_put_failure
;
11435 genlmsg_end(msg
, hdr
);
11437 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11438 NL80211_MCGRP_MLME
, gfp
);
11442 genlmsg_cancel(msg
, hdr
);
11445 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11447 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11448 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11451 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11452 struct wiphy
*wiphy
= wdev
->wiphy
;
11453 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11454 struct sk_buff
*msg
;
11455 struct nlattr
*pinfoattr
;
11458 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11460 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11464 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11470 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11471 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11472 goto nla_put_failure
;
11474 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11476 goto nla_put_failure
;
11478 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11480 goto nla_put_failure
;
11482 nla_nest_end(msg
, pinfoattr
);
11484 genlmsg_end(msg
, hdr
);
11486 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11487 NL80211_MCGRP_MLME
, gfp
);
11491 genlmsg_cancel(msg
, hdr
);
11494 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11496 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
11497 struct net_device
*netdev
, const u8
*bssid
,
11498 const u8
*replay_ctr
, gfp_t gfp
)
11500 struct sk_buff
*msg
;
11501 struct nlattr
*rekey_attr
;
11504 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11508 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
11514 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11515 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11516 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11517 goto nla_put_failure
;
11519 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
11521 goto nla_put_failure
;
11523 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
11524 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
11525 goto nla_put_failure
;
11527 nla_nest_end(msg
, rekey_attr
);
11529 genlmsg_end(msg
, hdr
);
11531 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11532 NL80211_MCGRP_MLME
, gfp
);
11536 genlmsg_cancel(msg
, hdr
);
11540 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
11541 const u8
*replay_ctr
, gfp_t gfp
)
11543 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11544 struct wiphy
*wiphy
= wdev
->wiphy
;
11545 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11547 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11548 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11550 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11553 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11554 struct net_device
*netdev
, int index
,
11555 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11557 struct sk_buff
*msg
;
11558 struct nlattr
*attr
;
11561 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11565 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11571 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11572 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11573 goto nla_put_failure
;
11575 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11577 goto nla_put_failure
;
11579 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
11580 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
11582 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
11583 goto nla_put_failure
;
11585 nla_nest_end(msg
, attr
);
11587 genlmsg_end(msg
, hdr
);
11589 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11590 NL80211_MCGRP_MLME
, gfp
);
11594 genlmsg_cancel(msg
, hdr
);
11598 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
11599 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11601 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11602 struct wiphy
*wiphy
= wdev
->wiphy
;
11603 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11605 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
11606 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
11608 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
11610 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
11611 struct net_device
*netdev
,
11612 struct cfg80211_chan_def
*chandef
,
11615 struct sk_buff
*msg
;
11618 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11622 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
11628 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11629 goto nla_put_failure
;
11631 if (nl80211_send_chandef(msg
, chandef
))
11632 goto nla_put_failure
;
11634 genlmsg_end(msg
, hdr
);
11636 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11637 NL80211_MCGRP_MLME
, gfp
);
11641 genlmsg_cancel(msg
, hdr
);
11645 void cfg80211_ch_switch_notify(struct net_device
*dev
,
11646 struct cfg80211_chan_def
*chandef
)
11648 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11649 struct wiphy
*wiphy
= wdev
->wiphy
;
11650 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11652 ASSERT_WDEV_LOCK(wdev
);
11654 trace_cfg80211_ch_switch_notify(dev
, chandef
);
11656 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11657 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11658 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
11659 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11662 wdev
->chandef
= *chandef
;
11663 wdev
->preset_chandef
= *chandef
;
11664 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
11666 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
11668 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11669 const u8
*peer
, u32 num_packets
,
11670 u32 rate
, u32 intvl
, gfp_t gfp
)
11672 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11673 struct wiphy
*wiphy
= wdev
->wiphy
;
11674 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11675 struct sk_buff
*msg
;
11676 struct nlattr
*pinfoattr
;
11679 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11683 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11689 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11690 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11691 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11692 goto nla_put_failure
;
11694 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11696 goto nla_put_failure
;
11698 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11699 goto nla_put_failure
;
11701 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11702 goto nla_put_failure
;
11704 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11705 goto nla_put_failure
;
11707 nla_nest_end(msg
, pinfoattr
);
11709 genlmsg_end(msg
, hdr
);
11711 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11712 NL80211_MCGRP_MLME
, gfp
);
11716 genlmsg_cancel(msg
, hdr
);
11719 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11722 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
11723 const struct cfg80211_chan_def
*chandef
,
11724 enum nl80211_radar_event event
,
11725 struct net_device
*netdev
, gfp_t gfp
)
11727 struct sk_buff
*msg
;
11730 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11734 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
11740 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
11741 goto nla_put_failure
;
11743 /* NOP and radar events don't need a netdev parameter */
11745 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
11747 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11748 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11749 goto nla_put_failure
;
11752 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
11753 goto nla_put_failure
;
11755 if (nl80211_send_chandef(msg
, chandef
))
11756 goto nla_put_failure
;
11758 genlmsg_end(msg
, hdr
);
11760 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11761 NL80211_MCGRP_MLME
, gfp
);
11765 genlmsg_cancel(msg
, hdr
);
11769 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11770 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11772 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11773 struct wiphy
*wiphy
= wdev
->wiphy
;
11774 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11775 struct sk_buff
*msg
;
11776 struct nlattr
*pinfoattr
;
11779 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11781 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11785 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11791 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11792 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11793 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11794 goto nla_put_failure
;
11796 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11798 goto nla_put_failure
;
11800 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11801 goto nla_put_failure
;
11803 nla_nest_end(msg
, pinfoattr
);
11805 genlmsg_end(msg
, hdr
);
11807 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11808 NL80211_MCGRP_MLME
, gfp
);
11812 genlmsg_cancel(msg
, hdr
);
11815 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11817 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11818 u64 cookie
, bool acked
, gfp_t gfp
)
11820 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11821 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11822 struct sk_buff
*msg
;
11825 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11827 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11832 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11838 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11839 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11840 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11841 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11842 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11843 goto nla_put_failure
;
11845 genlmsg_end(msg
, hdr
);
11847 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11848 NL80211_MCGRP_MLME
, gfp
);
11852 genlmsg_cancel(msg
, hdr
);
11855 EXPORT_SYMBOL(cfg80211_probe_status
);
11857 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11858 const u8
*frame
, size_t len
,
11859 int freq
, int sig_dbm
)
11861 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11862 struct sk_buff
*msg
;
11864 struct cfg80211_beacon_registration
*reg
;
11866 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11868 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11869 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11870 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11872 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11876 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11878 goto nla_put_failure
;
11880 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11882 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11884 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11885 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11886 goto nla_put_failure
;
11888 genlmsg_end(msg
, hdr
);
11890 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11892 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11896 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11898 genlmsg_cancel(msg
, hdr
);
11901 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11904 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11905 struct cfg80211_wowlan_wakeup
*wakeup
,
11908 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11909 struct sk_buff
*msg
;
11913 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11916 size
+= wakeup
->packet_present_len
;
11918 msg
= nlmsg_new(size
, gfp
);
11922 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11926 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11927 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11930 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11931 wdev
->netdev
->ifindex
))
11935 struct nlattr
*reasons
;
11937 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11941 if (wakeup
->disconnect
&&
11942 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11944 if (wakeup
->magic_pkt
&&
11945 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11947 if (wakeup
->gtk_rekey_failure
&&
11948 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11950 if (wakeup
->eap_identity_req
&&
11951 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11953 if (wakeup
->four_way_handshake
&&
11954 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11956 if (wakeup
->rfkill_release
&&
11957 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11960 if (wakeup
->pattern_idx
>= 0 &&
11961 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11962 wakeup
->pattern_idx
))
11965 if (wakeup
->tcp_match
&&
11966 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
11969 if (wakeup
->tcp_connlost
&&
11970 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
11973 if (wakeup
->tcp_nomoretokens
&&
11975 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
11978 if (wakeup
->packet
) {
11979 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11980 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11982 if (!wakeup
->packet_80211
) {
11984 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11986 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11989 if (wakeup
->packet_len
&&
11990 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11993 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11998 nla_nest_end(msg
, reasons
);
12001 genlmsg_end(msg
, hdr
);
12003 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12004 NL80211_MCGRP_MLME
, gfp
);
12010 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12013 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12014 enum nl80211_tdls_operation oper
,
12015 u16 reason_code
, gfp_t gfp
)
12017 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12018 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12019 struct sk_buff
*msg
;
12022 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12025 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12029 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12035 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12036 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12037 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12038 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12039 (reason_code
> 0 &&
12040 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12041 goto nla_put_failure
;
12043 genlmsg_end(msg
, hdr
);
12045 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12046 NL80211_MCGRP_MLME
, gfp
);
12050 genlmsg_cancel(msg
, hdr
);
12053 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12055 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12056 unsigned long state
,
12059 struct netlink_notify
*notify
= _notify
;
12060 struct cfg80211_registered_device
*rdev
;
12061 struct wireless_dev
*wdev
;
12062 struct cfg80211_beacon_registration
*reg
, *tmp
;
12064 if (state
!= NETLINK_URELEASE
)
12065 return NOTIFY_DONE
;
12069 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12070 bool schedule_destroy_work
= false;
12072 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12073 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12075 if (wdev
->owner_nlportid
== notify
->portid
)
12076 schedule_destroy_work
= true;
12079 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12080 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12082 if (reg
->nlportid
== notify
->portid
) {
12083 list_del(®
->list
);
12088 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12090 if (schedule_destroy_work
) {
12091 struct cfg80211_iface_destroy
*destroy
;
12093 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12095 destroy
->nlportid
= notify
->portid
;
12096 spin_lock(&rdev
->destroy_list_lock
);
12097 list_add(&destroy
->list
, &rdev
->destroy_list
);
12098 spin_unlock(&rdev
->destroy_list_lock
);
12099 schedule_work(&rdev
->destroy_work
);
12109 static struct notifier_block nl80211_netlink_notifier
= {
12110 .notifier_call
= nl80211_netlink_notify
,
12113 void cfg80211_ft_event(struct net_device
*netdev
,
12114 struct cfg80211_ft_event_params
*ft_event
)
12116 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12117 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12118 struct sk_buff
*msg
;
12121 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12123 if (!ft_event
->target_ap
)
12126 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12130 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12134 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12135 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12136 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12139 if (ft_event
->ies
&&
12140 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12142 if (ft_event
->ric_ies
&&
12143 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12144 ft_event
->ric_ies
))
12147 genlmsg_end(msg
, hdr
);
12149 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12150 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12155 EXPORT_SYMBOL(cfg80211_ft_event
);
12157 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12159 struct cfg80211_registered_device
*rdev
;
12160 struct sk_buff
*msg
;
12164 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12165 if (!rdev
->crit_proto_nlportid
)
12168 nlportid
= rdev
->crit_proto_nlportid
;
12169 rdev
->crit_proto_nlportid
= 0;
12171 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12175 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12177 goto nla_put_failure
;
12179 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12180 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12181 goto nla_put_failure
;
12183 genlmsg_end(msg
, hdr
);
12185 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12190 genlmsg_cancel(msg
, hdr
);
12194 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12196 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12198 struct wiphy
*wiphy
= wdev
->wiphy
;
12199 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12200 struct sk_buff
*msg
;
12203 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12207 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12211 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12212 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12213 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12216 genlmsg_end(msg
, hdr
);
12218 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12219 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12225 /* initialisation/exit functions */
12227 int nl80211_init(void)
12231 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12236 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12242 genl_unregister_family(&nl80211_fam
);
12246 void nl80211_exit(void)
12248 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12249 genl_unregister_family(&nl80211_fam
);