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
[NUM_NL80211_ATTR
] = {
213 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
214 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
216 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
218 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
219 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
220 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
221 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
224 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
225 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
226 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
227 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
228 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
229 [NL80211_ATTR_WIPHY_DYN_ACK
] = { .type
= NLA_FLAG
},
231 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
232 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
233 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
235 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
236 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
238 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
239 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
240 .len
= WLAN_MAX_KEY_LEN
},
241 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
242 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
243 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
244 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
245 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
247 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
248 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
249 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
250 .len
= IEEE80211_MAX_DATA_LEN
},
251 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
252 .len
= IEEE80211_MAX_DATA_LEN
},
253 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
254 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
255 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
256 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
257 .len
= NL80211_MAX_SUPP_RATES
},
258 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
259 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
260 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
261 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
262 .len
= IEEE80211_MAX_MESH_ID_LEN
},
263 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
265 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
266 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
268 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
269 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
270 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
271 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
272 .len
= NL80211_MAX_SUPP_RATES
},
273 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
275 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
276 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
278 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
280 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
281 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
282 .len
= IEEE80211_MAX_DATA_LEN
},
283 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
284 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
286 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
287 .len
= IEEE80211_MAX_SSID_LEN
},
288 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
289 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
290 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
291 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
292 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
293 [NL80211_ATTR_STA_FLAGS2
] = {
294 .len
= sizeof(struct nl80211_sta_flag_update
),
296 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
297 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
298 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
299 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
300 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
301 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
302 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
303 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
304 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
305 .len
= WLAN_PMKID_LEN
},
306 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
307 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
308 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
309 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
310 .len
= IEEE80211_MAX_DATA_LEN
},
311 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
312 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
313 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
314 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
315 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
316 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
317 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
318 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
319 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
321 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
322 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
323 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
324 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
325 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
326 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
327 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
328 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
329 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
330 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
331 .len
= IEEE80211_MAX_DATA_LEN
},
332 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
333 .len
= IEEE80211_MAX_DATA_LEN
},
334 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
335 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
336 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
337 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
338 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
339 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
340 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
341 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
342 [NL80211_ATTR_TDLS_INITIATOR
] = { .type
= NLA_FLAG
},
343 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
344 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
345 .len
= IEEE80211_MAX_DATA_LEN
},
346 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
347 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
348 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
349 .len
= NL80211_HT_CAPABILITY_LEN
351 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
352 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
353 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
355 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
356 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
357 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
358 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
359 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
360 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
361 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
362 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
363 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
364 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
365 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
366 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
367 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
368 .len
= NL80211_VHT_CAPABILITY_LEN
,
370 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
371 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
372 .len
= IEEE80211_MAX_DATA_LEN
},
373 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
374 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
375 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
376 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
377 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_BINARY
},
378 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_BINARY
},
379 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
380 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
381 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
382 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
383 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
384 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
385 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
386 [NL80211_ATTR_QOS_MAP
] = { .type
= NLA_BINARY
,
387 .len
= IEEE80211_QOS_MAP_LEN_MAX
},
388 [NL80211_ATTR_MAC_HINT
] = { .len
= ETH_ALEN
},
389 [NL80211_ATTR_WIPHY_FREQ_HINT
] = { .type
= NLA_U32
},
390 [NL80211_ATTR_TDLS_PEER_CAPABILITY
] = { .type
= NLA_U32
},
391 [NL80211_ATTR_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
392 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
393 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
394 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
395 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
397 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
398 [NL80211_ATTR_MAC_MASK
] = { .len
= ETH_ALEN
},
401 /* policy for the key attributes */
402 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
403 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
404 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
405 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
406 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
407 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
408 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
409 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
410 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
413 /* policy for the key default flags */
414 static const struct nla_policy
415 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
416 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
417 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
420 /* policy for WoWLAN attributes */
421 static const struct nla_policy
422 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
423 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
424 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
425 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
426 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
427 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
428 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
429 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
430 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
431 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
432 [NL80211_WOWLAN_TRIG_NET_DETECT
] = { .type
= NLA_NESTED
},
435 static const struct nla_policy
436 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
437 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
438 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
439 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
440 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
441 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
442 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
443 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
444 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
446 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
447 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
449 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
450 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
451 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
454 /* policy for coalesce rule attributes */
455 static const struct nla_policy
456 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
457 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
458 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
459 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
462 /* policy for GTK rekey offload attributes */
463 static const struct nla_policy
464 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
465 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
466 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
467 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
470 static const struct nla_policy
471 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
472 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
473 .len
= IEEE80211_MAX_SSID_LEN
},
474 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
477 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
478 struct netlink_callback
*cb
,
479 struct cfg80211_registered_device
**rdev
,
480 struct wireless_dev
**wdev
)
487 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
488 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
493 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
494 nl80211_fam
.attrbuf
);
496 err
= PTR_ERR(*wdev
);
499 *rdev
= wiphy_to_rdev((*wdev
)->wiphy
);
500 /* 0 is the first index - add 1 to parse only once */
501 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
502 cb
->args
[1] = (*wdev
)->identifier
;
504 /* subtract the 1 again here */
505 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
506 struct wireless_dev
*tmp
;
512 *rdev
= wiphy_to_rdev(wiphy
);
515 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
516 if (tmp
->identifier
== cb
->args
[1]) {
534 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
540 static bool is_valid_ie_attr(const struct nlattr
*attr
)
548 pos
= nla_data(attr
);
569 /* message building helper */
570 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
573 /* since there is no private header just add the generic one */
574 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
577 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
578 struct ieee80211_channel
*chan
,
581 /* Some channels must be completely excluded from the
582 * list to protect old user-space tools from breaking
584 if (!large
&& chan
->flags
&
585 (IEEE80211_CHAN_NO_10MHZ
| IEEE80211_CHAN_NO_20MHZ
))
588 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
590 goto nla_put_failure
;
592 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
593 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
594 goto nla_put_failure
;
595 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
596 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
597 goto nla_put_failure
;
598 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
599 goto nla_put_failure
;
601 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
602 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
603 goto nla_put_failure
;
607 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
609 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
611 goto nla_put_failure
;
612 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
614 goto nla_put_failure
;
616 NL80211_FREQUENCY_ATTR_DFS_CAC_TIME
,
618 goto nla_put_failure
;
623 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
624 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
625 goto nla_put_failure
;
626 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
627 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
628 goto nla_put_failure
;
629 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
630 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
631 goto nla_put_failure
;
632 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
633 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
634 goto nla_put_failure
;
635 if ((chan
->flags
& IEEE80211_CHAN_INDOOR_ONLY
) &&
636 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_INDOOR_ONLY
))
637 goto nla_put_failure
;
638 if ((chan
->flags
& IEEE80211_CHAN_GO_CONCURRENT
) &&
639 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_GO_CONCURRENT
))
640 goto nla_put_failure
;
641 if ((chan
->flags
& IEEE80211_CHAN_NO_20MHZ
) &&
642 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_20MHZ
))
643 goto nla_put_failure
;
644 if ((chan
->flags
& IEEE80211_CHAN_NO_10MHZ
) &&
645 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_10MHZ
))
646 goto nla_put_failure
;
649 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
650 DBM_TO_MBM(chan
->max_power
)))
651 goto nla_put_failure
;
659 /* netlink command implementations */
666 bool def_uni
, def_multi
;
669 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
671 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
672 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
677 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
678 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
687 if (tb
[NL80211_KEY_IDX
])
688 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
690 if (tb
[NL80211_KEY_DATA
]) {
691 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
692 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
695 if (tb
[NL80211_KEY_SEQ
]) {
696 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
697 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
700 if (tb
[NL80211_KEY_CIPHER
])
701 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
703 if (tb
[NL80211_KEY_TYPE
]) {
704 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
705 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
709 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
710 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
711 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
712 tb
[NL80211_KEY_DEFAULT_TYPES
],
713 nl80211_key_default_policy
);
717 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
718 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
724 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
726 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
727 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
728 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
731 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
732 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
733 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
736 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
737 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
739 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
740 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
742 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
743 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
752 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
753 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
754 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
758 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
759 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
760 int err
= nla_parse_nested(
761 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
762 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
763 nl80211_key_default_policy
);
767 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
768 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
774 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
778 memset(k
, 0, sizeof(*k
));
782 if (info
->attrs
[NL80211_ATTR_KEY
])
783 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
785 err
= nl80211_parse_key_old(info
, k
);
790 if (k
->def
&& k
->defmgmt
)
794 if (k
->def_uni
|| !k
->def_multi
)
800 if (k
->idx
< 4 || k
->idx
> 5)
803 if (k
->idx
< 0 || k
->idx
> 3)
806 if (k
->idx
< 0 || k
->idx
> 5)
814 static struct cfg80211_cached_keys
*
815 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
816 struct nlattr
*keys
, bool *no_ht
)
818 struct key_parse parse
;
820 struct cfg80211_cached_keys
*result
;
821 int rem
, err
, def
= 0;
823 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
825 return ERR_PTR(-ENOMEM
);
828 result
->defmgmt
= -1;
830 nla_for_each_nested(key
, keys
, rem
) {
831 memset(&parse
, 0, sizeof(parse
));
834 err
= nl80211_parse_key_new(key
, &parse
);
840 if (parse
.idx
< 0 || parse
.idx
> 4)
846 result
->def
= parse
.idx
;
847 if (!parse
.def_uni
|| !parse
.def_multi
)
849 } else if (parse
.defmgmt
)
851 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
852 parse
.idx
, false, NULL
);
855 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
856 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
857 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
858 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
860 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
861 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
873 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
875 ASSERT_WDEV_LOCK(wdev
);
877 switch (wdev
->iftype
) {
878 case NL80211_IFTYPE_AP
:
879 case NL80211_IFTYPE_AP_VLAN
:
880 case NL80211_IFTYPE_P2P_GO
:
881 case NL80211_IFTYPE_MESH_POINT
:
883 case NL80211_IFTYPE_ADHOC
:
884 case NL80211_IFTYPE_STATION
:
885 case NL80211_IFTYPE_P2P_CLIENT
:
886 if (!wdev
->current_bss
)
889 case NL80211_IFTYPE_UNSPECIFIED
:
890 case NL80211_IFTYPE_OCB
:
891 case NL80211_IFTYPE_MONITOR
:
892 case NL80211_IFTYPE_P2P_DEVICE
:
893 case NL80211_IFTYPE_WDS
:
894 case NUM_NL80211_IFTYPES
:
901 static struct ieee80211_channel
*nl80211_get_valid_chan(struct wiphy
*wiphy
,
904 struct ieee80211_channel
*chan
;
908 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(tb
));
909 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
914 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
916 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
920 goto nla_put_failure
;
924 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
925 goto nla_put_failure
;
930 nla_nest_end(msg
, nl_modes
);
937 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
941 struct nlattr
*nl_combis
;
944 nl_combis
= nla_nest_start(msg
,
945 NL80211_ATTR_INTERFACE_COMBINATIONS
);
947 goto nla_put_failure
;
949 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
950 const struct ieee80211_iface_combination
*c
;
951 struct nlattr
*nl_combi
, *nl_limits
;
953 c
= &wiphy
->iface_combinations
[i
];
955 nl_combi
= nla_nest_start(msg
, i
+ 1);
957 goto nla_put_failure
;
959 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
961 goto nla_put_failure
;
963 for (j
= 0; j
< c
->n_limits
; j
++) {
964 struct nlattr
*nl_limit
;
966 nl_limit
= nla_nest_start(msg
, j
+ 1);
968 goto nla_put_failure
;
969 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
971 goto nla_put_failure
;
972 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
974 goto nla_put_failure
;
975 nla_nest_end(msg
, nl_limit
);
978 nla_nest_end(msg
, nl_limits
);
980 if (c
->beacon_int_infra_match
&&
981 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
982 goto nla_put_failure
;
983 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
984 c
->num_different_channels
) ||
985 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
987 goto nla_put_failure
;
989 (nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
990 c
->radar_detect_widths
) ||
991 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS
,
992 c
->radar_detect_regions
)))
993 goto nla_put_failure
;
995 nla_nest_end(msg
, nl_combi
);
998 nla_nest_end(msg
, nl_combis
);
1006 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
1007 struct sk_buff
*msg
)
1009 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
1010 struct nlattr
*nl_tcp
;
1015 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
1019 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1020 tcp
->data_payload_max
))
1023 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
1024 tcp
->data_payload_max
))
1027 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
1030 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
1031 sizeof(*tcp
->tok
), tcp
->tok
))
1034 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
1035 tcp
->data_interval_max
))
1038 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
1039 tcp
->wake_payload_max
))
1042 nla_nest_end(msg
, nl_tcp
);
1046 static int nl80211_send_wowlan(struct sk_buff
*msg
,
1047 struct cfg80211_registered_device
*rdev
,
1050 struct nlattr
*nl_wowlan
;
1052 if (!rdev
->wiphy
.wowlan
)
1055 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1059 if (((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
1060 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1061 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1062 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1063 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1064 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1065 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1066 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1067 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1068 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1069 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1070 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1071 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1072 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1073 ((rdev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1074 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1077 if (rdev
->wiphy
.wowlan
->n_patterns
) {
1078 struct nl80211_pattern_support pat
= {
1079 .max_patterns
= rdev
->wiphy
.wowlan
->n_patterns
,
1080 .min_pattern_len
= rdev
->wiphy
.wowlan
->pattern_min_len
,
1081 .max_pattern_len
= rdev
->wiphy
.wowlan
->pattern_max_len
,
1082 .max_pkt_offset
= rdev
->wiphy
.wowlan
->max_pkt_offset
,
1085 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1090 if (large
&& nl80211_send_wowlan_tcp_caps(rdev
, msg
))
1093 /* TODO: send wowlan net detect */
1095 nla_nest_end(msg
, nl_wowlan
);
1101 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1102 struct cfg80211_registered_device
*rdev
)
1104 struct nl80211_coalesce_rule_support rule
;
1106 if (!rdev
->wiphy
.coalesce
)
1109 rule
.max_rules
= rdev
->wiphy
.coalesce
->n_rules
;
1110 rule
.max_delay
= rdev
->wiphy
.coalesce
->max_delay
;
1111 rule
.pat
.max_patterns
= rdev
->wiphy
.coalesce
->n_patterns
;
1112 rule
.pat
.min_pattern_len
= rdev
->wiphy
.coalesce
->pattern_min_len
;
1113 rule
.pat
.max_pattern_len
= rdev
->wiphy
.coalesce
->pattern_max_len
;
1114 rule
.pat
.max_pkt_offset
= rdev
->wiphy
.coalesce
->max_pkt_offset
;
1116 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1122 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1123 struct ieee80211_supported_band
*sband
)
1125 struct nlattr
*nl_rates
, *nl_rate
;
1126 struct ieee80211_rate
*rate
;
1130 if (sband
->ht_cap
.ht_supported
&&
1131 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1132 sizeof(sband
->ht_cap
.mcs
),
1133 &sband
->ht_cap
.mcs
) ||
1134 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1135 sband
->ht_cap
.cap
) ||
1136 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1137 sband
->ht_cap
.ampdu_factor
) ||
1138 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1139 sband
->ht_cap
.ampdu_density
)))
1143 if (sband
->vht_cap
.vht_supported
&&
1144 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1145 sizeof(sband
->vht_cap
.vht_mcs
),
1146 &sband
->vht_cap
.vht_mcs
) ||
1147 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1148 sband
->vht_cap
.cap
)))
1152 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1156 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1157 nl_rate
= nla_nest_start(msg
, i
);
1161 rate
= &sband
->bitrates
[i
];
1162 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1165 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1167 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1170 nla_nest_end(msg
, nl_rate
);
1173 nla_nest_end(msg
, nl_rates
);
1179 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1180 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1183 struct nlattr
*nl_ftypes
, *nl_ifs
;
1184 enum nl80211_iftype ift
;
1190 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1194 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1195 nl_ftypes
= nla_nest_start(msg
, ift
);
1199 stypes
= mgmt_stypes
[ift
].tx
;
1202 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1203 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1208 nla_nest_end(msg
, nl_ftypes
);
1211 nla_nest_end(msg
, nl_ifs
);
1213 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1217 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1218 nl_ftypes
= nla_nest_start(msg
, ift
);
1222 stypes
= mgmt_stypes
[ift
].rx
;
1225 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1226 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1231 nla_nest_end(msg
, nl_ftypes
);
1233 nla_nest_end(msg
, nl_ifs
);
1238 struct nl80211_dump_wiphy_state
{
1241 long split_start
, band_start
, chan_start
;
1245 static int nl80211_send_wiphy(struct cfg80211_registered_device
*rdev
,
1246 enum nl80211_commands cmd
,
1247 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1248 int flags
, struct nl80211_dump_wiphy_state
*state
)
1251 struct nlattr
*nl_bands
, *nl_band
;
1252 struct nlattr
*nl_freqs
, *nl_freq
;
1253 struct nlattr
*nl_cmds
;
1254 enum ieee80211_band band
;
1255 struct ieee80211_channel
*chan
;
1257 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1258 rdev
->wiphy
.mgmt_stypes
;
1261 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
1265 if (WARN_ON(!state
))
1268 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1269 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1270 wiphy_name(&rdev
->wiphy
)) ||
1271 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1272 cfg80211_rdev_list_generation
))
1273 goto nla_put_failure
;
1275 if (cmd
!= NL80211_CMD_NEW_WIPHY
)
1278 switch (state
->split_start
) {
1280 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1281 rdev
->wiphy
.retry_short
) ||
1282 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1283 rdev
->wiphy
.retry_long
) ||
1284 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1285 rdev
->wiphy
.frag_threshold
) ||
1286 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1287 rdev
->wiphy
.rts_threshold
) ||
1288 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1289 rdev
->wiphy
.coverage_class
) ||
1290 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1291 rdev
->wiphy
.max_scan_ssids
) ||
1292 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1293 rdev
->wiphy
.max_sched_scan_ssids
) ||
1294 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1295 rdev
->wiphy
.max_scan_ie_len
) ||
1296 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1297 rdev
->wiphy
.max_sched_scan_ie_len
) ||
1298 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1299 rdev
->wiphy
.max_match_sets
))
1300 goto nla_put_failure
;
1302 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1303 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1304 goto nla_put_failure
;
1305 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1306 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1307 goto nla_put_failure
;
1308 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1309 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1310 goto nla_put_failure
;
1311 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1312 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1313 goto nla_put_failure
;
1314 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1315 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1316 goto nla_put_failure
;
1317 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1318 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1319 goto nla_put_failure
;
1320 state
->split_start
++;
1324 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1325 sizeof(u32
) * rdev
->wiphy
.n_cipher_suites
,
1326 rdev
->wiphy
.cipher_suites
))
1327 goto nla_put_failure
;
1329 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1330 rdev
->wiphy
.max_num_pmkids
))
1331 goto nla_put_failure
;
1333 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1334 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1335 goto nla_put_failure
;
1337 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1338 rdev
->wiphy
.available_antennas_tx
) ||
1339 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1340 rdev
->wiphy
.available_antennas_rx
))
1341 goto nla_put_failure
;
1343 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1344 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1345 rdev
->wiphy
.probe_resp_offload
))
1346 goto nla_put_failure
;
1348 if ((rdev
->wiphy
.available_antennas_tx
||
1349 rdev
->wiphy
.available_antennas_rx
) &&
1350 rdev
->ops
->get_antenna
) {
1351 u32 tx_ant
= 0, rx_ant
= 0;
1353 res
= rdev_get_antenna(rdev
, &tx_ant
, &rx_ant
);
1355 if (nla_put_u32(msg
,
1356 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1359 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1361 goto nla_put_failure
;
1365 state
->split_start
++;
1369 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1370 rdev
->wiphy
.interface_modes
))
1371 goto nla_put_failure
;
1372 state
->split_start
++;
1376 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1378 goto nla_put_failure
;
1380 for (band
= state
->band_start
;
1381 band
< IEEE80211_NUM_BANDS
; band
++) {
1382 struct ieee80211_supported_band
*sband
;
1384 sband
= rdev
->wiphy
.bands
[band
];
1389 nl_band
= nla_nest_start(msg
, band
);
1391 goto nla_put_failure
;
1393 switch (state
->chan_start
) {
1395 if (nl80211_send_band_rateinfo(msg
, sband
))
1396 goto nla_put_failure
;
1397 state
->chan_start
++;
1401 /* add frequencies */
1402 nl_freqs
= nla_nest_start(
1403 msg
, NL80211_BAND_ATTR_FREQS
);
1405 goto nla_put_failure
;
1407 for (i
= state
->chan_start
- 1;
1408 i
< sband
->n_channels
;
1410 nl_freq
= nla_nest_start(msg
, i
);
1412 goto nla_put_failure
;
1414 chan
= &sband
->channels
[i
];
1416 if (nl80211_msg_put_channel(
1419 goto nla_put_failure
;
1421 nla_nest_end(msg
, nl_freq
);
1425 if (i
< sband
->n_channels
)
1426 state
->chan_start
= i
+ 2;
1428 state
->chan_start
= 0;
1429 nla_nest_end(msg
, nl_freqs
);
1432 nla_nest_end(msg
, nl_band
);
1435 /* start again here */
1436 if (state
->chan_start
)
1441 nla_nest_end(msg
, nl_bands
);
1443 if (band
< IEEE80211_NUM_BANDS
)
1444 state
->band_start
= band
+ 1;
1446 state
->band_start
= 0;
1448 /* if bands & channels are done, continue outside */
1449 if (state
->band_start
== 0 && state
->chan_start
== 0)
1450 state
->split_start
++;
1454 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1456 goto nla_put_failure
;
1459 #define CMD(op, n) \
1461 if (rdev->ops->op) { \
1463 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1464 goto nla_put_failure; \
1468 CMD(add_virtual_intf
, NEW_INTERFACE
);
1469 CMD(change_virtual_intf
, SET_INTERFACE
);
1470 CMD(add_key
, NEW_KEY
);
1471 CMD(start_ap
, START_AP
);
1472 CMD(add_station
, NEW_STATION
);
1473 CMD(add_mpath
, NEW_MPATH
);
1474 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1475 CMD(change_bss
, SET_BSS
);
1476 CMD(auth
, AUTHENTICATE
);
1477 CMD(assoc
, ASSOCIATE
);
1478 CMD(deauth
, DEAUTHENTICATE
);
1479 CMD(disassoc
, DISASSOCIATE
);
1480 CMD(join_ibss
, JOIN_IBSS
);
1481 CMD(join_mesh
, JOIN_MESH
);
1482 CMD(set_pmksa
, SET_PMKSA
);
1483 CMD(del_pmksa
, DEL_PMKSA
);
1484 CMD(flush_pmksa
, FLUSH_PMKSA
);
1485 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1486 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1487 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1488 CMD(mgmt_tx
, FRAME
);
1489 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1490 if (rdev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1492 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1493 goto nla_put_failure
;
1495 if (rdev
->ops
->set_monitor_channel
|| rdev
->ops
->start_ap
||
1496 rdev
->ops
->join_mesh
) {
1498 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1499 goto nla_put_failure
;
1501 CMD(set_wds_peer
, SET_WDS_PEER
);
1502 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1503 CMD(tdls_mgmt
, TDLS_MGMT
);
1504 CMD(tdls_oper
, TDLS_OPER
);
1506 if (rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1507 CMD(sched_scan_start
, START_SCHED_SCAN
);
1508 CMD(probe_client
, PROBE_CLIENT
);
1509 CMD(set_noack_map
, SET_NOACK_MAP
);
1510 if (rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1512 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1513 goto nla_put_failure
;
1515 CMD(start_p2p_device
, START_P2P_DEVICE
);
1516 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1517 #ifdef CONFIG_NL80211_TESTMODE
1518 CMD(testmode_cmd
, TESTMODE
);
1521 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1522 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1523 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1524 CMD(channel_switch
, CHANNEL_SWITCH
);
1525 CMD(set_qos_map
, SET_QOS_MAP
);
1526 if (rdev
->wiphy
.features
&
1527 NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
)
1528 CMD(add_tx_ts
, ADD_TX_TS
);
1530 /* add into the if now */
1533 if (rdev
->ops
->connect
|| rdev
->ops
->auth
) {
1535 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1536 goto nla_put_failure
;
1539 if (rdev
->ops
->disconnect
|| rdev
->ops
->deauth
) {
1541 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1542 goto nla_put_failure
;
1545 nla_nest_end(msg
, nl_cmds
);
1546 state
->split_start
++;
1550 if (rdev
->ops
->remain_on_channel
&&
1551 (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1553 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1554 rdev
->wiphy
.max_remain_on_channel_duration
))
1555 goto nla_put_failure
;
1557 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1558 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1559 goto nla_put_failure
;
1561 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1562 goto nla_put_failure
;
1563 state
->split_start
++;
1568 if (nl80211_send_wowlan(msg
, rdev
, state
->split
))
1569 goto nla_put_failure
;
1570 state
->split_start
++;
1574 state
->split_start
++;
1577 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1578 rdev
->wiphy
.software_iftypes
))
1579 goto nla_put_failure
;
1581 if (nl80211_put_iface_combinations(&rdev
->wiphy
, msg
,
1583 goto nla_put_failure
;
1585 state
->split_start
++;
1589 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1590 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1591 rdev
->wiphy
.ap_sme_capa
))
1592 goto nla_put_failure
;
1594 features
= rdev
->wiphy
.features
;
1596 * We can only add the per-channel limit information if the
1597 * dump is split, otherwise it makes it too big. Therefore
1598 * only advertise it in that case.
1601 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1602 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1603 goto nla_put_failure
;
1605 if (rdev
->wiphy
.ht_capa_mod_mask
&&
1606 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1607 sizeof(*rdev
->wiphy
.ht_capa_mod_mask
),
1608 rdev
->wiphy
.ht_capa_mod_mask
))
1609 goto nla_put_failure
;
1611 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1612 rdev
->wiphy
.max_acl_mac_addrs
&&
1613 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1614 rdev
->wiphy
.max_acl_mac_addrs
))
1615 goto nla_put_failure
;
1618 * Any information below this point is only available to
1619 * applications that can deal with it being split. This
1620 * helps ensure that newly added capabilities don't break
1621 * older tools by overrunning their buffers.
1623 * We still increment split_start so that in the split
1624 * case we'll continue with more data in the next round,
1625 * but break unconditionally so unsplit data stops here.
1627 state
->split_start
++;
1630 if (rdev
->wiphy
.extended_capabilities
&&
1631 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1632 rdev
->wiphy
.extended_capabilities_len
,
1633 rdev
->wiphy
.extended_capabilities
) ||
1634 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1635 rdev
->wiphy
.extended_capabilities_len
,
1636 rdev
->wiphy
.extended_capabilities_mask
)))
1637 goto nla_put_failure
;
1639 if (rdev
->wiphy
.vht_capa_mod_mask
&&
1640 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1641 sizeof(*rdev
->wiphy
.vht_capa_mod_mask
),
1642 rdev
->wiphy
.vht_capa_mod_mask
))
1643 goto nla_put_failure
;
1645 state
->split_start
++;
1648 if (nl80211_send_coalesce(msg
, rdev
))
1649 goto nla_put_failure
;
1651 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1652 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1653 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1654 goto nla_put_failure
;
1656 if (rdev
->wiphy
.max_ap_assoc_sta
&&
1657 nla_put_u32(msg
, NL80211_ATTR_MAX_AP_ASSOC_STA
,
1658 rdev
->wiphy
.max_ap_assoc_sta
))
1659 goto nla_put_failure
;
1661 state
->split_start
++;
1664 if (rdev
->wiphy
.n_vendor_commands
) {
1665 const struct nl80211_vendor_cmd_info
*info
;
1666 struct nlattr
*nested
;
1668 nested
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1670 goto nla_put_failure
;
1672 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
1673 info
= &rdev
->wiphy
.vendor_commands
[i
].info
;
1674 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1675 goto nla_put_failure
;
1677 nla_nest_end(msg
, nested
);
1680 if (rdev
->wiphy
.n_vendor_events
) {
1681 const struct nl80211_vendor_cmd_info
*info
;
1682 struct nlattr
*nested
;
1684 nested
= nla_nest_start(msg
,
1685 NL80211_ATTR_VENDOR_EVENTS
);
1687 goto nla_put_failure
;
1689 for (i
= 0; i
< rdev
->wiphy
.n_vendor_events
; i
++) {
1690 info
= &rdev
->wiphy
.vendor_events
[i
];
1691 if (nla_put(msg
, i
+ 1, sizeof(*info
), info
))
1692 goto nla_put_failure
;
1694 nla_nest_end(msg
, nested
);
1696 state
->split_start
++;
1699 if (rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
&&
1700 nla_put_u8(msg
, NL80211_ATTR_MAX_CSA_COUNTERS
,
1701 rdev
->wiphy
.max_num_csa_counters
))
1702 goto nla_put_failure
;
1705 state
->split_start
= 0;
1709 return genlmsg_end(msg
, hdr
);
1712 genlmsg_cancel(msg
, hdr
);
1716 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1717 struct netlink_callback
*cb
,
1718 struct nl80211_dump_wiphy_state
*state
)
1720 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1721 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1722 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1723 /* ignore parse errors for backward compatibility */
1727 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1728 if (tb
[NL80211_ATTR_WIPHY
])
1729 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1730 if (tb
[NL80211_ATTR_WDEV
])
1731 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1732 if (tb
[NL80211_ATTR_IFINDEX
]) {
1733 struct net_device
*netdev
;
1734 struct cfg80211_registered_device
*rdev
;
1735 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1737 netdev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1740 if (netdev
->ieee80211_ptr
) {
1741 rdev
= wiphy_to_rdev(
1742 netdev
->ieee80211_ptr
->wiphy
);
1743 state
->filter_wiphy
= rdev
->wiphy_idx
;
1750 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1753 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1754 struct cfg80211_registered_device
*rdev
;
1758 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1763 state
->filter_wiphy
= -1;
1764 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1770 cb
->args
[0] = (long)state
;
1773 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1774 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1776 if (++idx
<= state
->start
)
1778 if (state
->filter_wiphy
!= -1 &&
1779 state
->filter_wiphy
!= rdev
->wiphy_idx
)
1781 /* attempt to fit multiple wiphy data chunks into the skb */
1783 ret
= nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
,
1785 NETLINK_CB(cb
->skb
).portid
,
1787 NLM_F_MULTI
, state
);
1790 * If sending the wiphy data didn't fit (ENOBUFS
1791 * or EMSGSIZE returned), this SKB is still
1792 * empty (so it's not too big because another
1793 * wiphy dataset is already in the skb) and
1794 * we've not tried to adjust the dump allocation
1795 * yet ... then adjust the alloc size to be
1796 * bigger, and return 1 but with the empty skb.
1797 * This results in an empty message being RX'ed
1798 * in userspace, but that is ignored.
1800 * We can then retry with the larger buffer.
1802 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1803 !skb
->len
&& !state
->split
&&
1804 cb
->min_dump_alloc
< 4096) {
1805 cb
->min_dump_alloc
= 4096;
1806 state
->split_start
= 0;
1813 } while (state
->split_start
> 0);
1823 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1825 kfree((void *)cb
->args
[0]);
1829 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1831 struct sk_buff
*msg
;
1832 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1833 struct nl80211_dump_wiphy_state state
= {};
1835 msg
= nlmsg_new(4096, GFP_KERNEL
);
1839 if (nl80211_send_wiphy(rdev
, NL80211_CMD_NEW_WIPHY
, msg
,
1840 info
->snd_portid
, info
->snd_seq
, 0,
1846 return genlmsg_reply(msg
, info
);
1849 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1850 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1851 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1852 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1853 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1854 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1857 static int parse_txq_params(struct nlattr
*tb
[],
1858 struct ieee80211_txq_params
*txq_params
)
1860 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1861 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1862 !tb
[NL80211_TXQ_ATTR_AIFS
])
1865 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1866 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1867 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1868 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1869 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1871 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1877 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1880 * You can only set the channel explicitly for WDS interfaces,
1881 * all others have their channel managed via their respective
1882 * "establish a connection" command (connect, join, ...)
1884 * For AP/GO and mesh mode, the channel can be set with the
1885 * channel userspace API, but is only stored and passed to the
1886 * low-level driver when the AP starts or the mesh is joined.
1887 * This is for backward compatibility, userspace can also give
1888 * the channel in the start-ap or join-mesh commands instead.
1890 * Monitors are special as they are normally slaved to
1891 * whatever else is going on, so they have their own special
1892 * operation to set the monitor channel if possible.
1895 wdev
->iftype
== NL80211_IFTYPE_AP
||
1896 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1897 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1898 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1901 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1902 struct genl_info
*info
,
1903 struct cfg80211_chan_def
*chandef
)
1907 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1910 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1912 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1913 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1914 chandef
->center_freq1
= control_freq
;
1915 chandef
->center_freq2
= 0;
1917 /* Primary channel not allowed */
1918 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1921 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1922 enum nl80211_channel_type chantype
;
1924 chantype
= nla_get_u32(
1925 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1928 case NL80211_CHAN_NO_HT
:
1929 case NL80211_CHAN_HT20
:
1930 case NL80211_CHAN_HT40PLUS
:
1931 case NL80211_CHAN_HT40MINUS
:
1932 cfg80211_chandef_create(chandef
, chandef
->chan
,
1938 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1940 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1941 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1942 chandef
->center_freq1
=
1944 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1945 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1946 chandef
->center_freq2
=
1948 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1951 if (!cfg80211_chandef_valid(chandef
))
1954 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1955 IEEE80211_CHAN_DISABLED
))
1958 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1959 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1960 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1966 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1967 struct net_device
*dev
,
1968 struct genl_info
*info
)
1970 struct cfg80211_chan_def chandef
;
1972 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1973 struct wireless_dev
*wdev
= NULL
;
1976 wdev
= dev
->ieee80211_ptr
;
1977 if (!nl80211_can_set_dev_channel(wdev
))
1980 iftype
= wdev
->iftype
;
1982 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1987 case NL80211_IFTYPE_AP
:
1988 case NL80211_IFTYPE_P2P_GO
:
1989 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, iftype
)) {
1993 if (wdev
->beacon_interval
) {
1994 if (!dev
|| !rdev
->ops
->set_ap_chanwidth
||
1995 !(rdev
->wiphy
.features
&
1996 NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE
)) {
2001 /* Only allow dynamic channel width changes */
2002 if (chandef
.chan
!= wdev
->preset_chandef
.chan
) {
2006 result
= rdev_set_ap_chanwidth(rdev
, dev
, &chandef
);
2010 wdev
->preset_chandef
= chandef
;
2013 case NL80211_IFTYPE_MESH_POINT
:
2014 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
2016 case NL80211_IFTYPE_MONITOR
:
2017 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
2026 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
2028 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2029 struct net_device
*netdev
= info
->user_ptr
[1];
2031 return __nl80211_set_channel(rdev
, netdev
, info
);
2034 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
2036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2037 struct net_device
*dev
= info
->user_ptr
[1];
2038 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2041 if (!info
->attrs
[NL80211_ATTR_MAC
])
2044 if (netif_running(dev
))
2047 if (!rdev
->ops
->set_wds_peer
)
2050 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
2053 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2054 return rdev_set_wds_peer(rdev
, dev
, bssid
);
2058 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
2060 struct cfg80211_registered_device
*rdev
;
2061 struct net_device
*netdev
= NULL
;
2062 struct wireless_dev
*wdev
;
2063 int result
= 0, rem_txq_params
= 0;
2064 struct nlattr
*nl_txq_params
;
2066 u8 retry_short
= 0, retry_long
= 0;
2067 u32 frag_threshold
= 0, rts_threshold
= 0;
2068 u8 coverage_class
= 0;
2073 * Try to find the wiphy and netdev. Normally this
2074 * function shouldn't need the netdev, but this is
2075 * done for backward compatibility -- previously
2076 * setting the channel was done per wiphy, but now
2077 * it is per netdev. Previous userland like hostapd
2078 * also passed a netdev to set_wiphy, so that it is
2079 * possible to let that go to the right netdev!
2082 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
2083 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
2085 netdev
= __dev_get_by_index(genl_info_net(info
), ifindex
);
2086 if (netdev
&& netdev
->ieee80211_ptr
)
2087 rdev
= wiphy_to_rdev(netdev
->ieee80211_ptr
->wiphy
);
2093 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
2096 return PTR_ERR(rdev
);
2101 wdev
= netdev
->ieee80211_ptr
;
2104 * end workaround code, by now the rdev is available
2105 * and locked, and wdev may or may not be NULL.
2108 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
2109 result
= cfg80211_dev_rename(
2110 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
2115 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
2116 struct ieee80211_txq_params txq_params
;
2117 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
2119 if (!rdev
->ops
->set_txq_params
)
2125 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2126 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2129 if (!netif_running(netdev
))
2132 nla_for_each_nested(nl_txq_params
,
2133 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2135 result
= nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2136 nla_data(nl_txq_params
),
2137 nla_len(nl_txq_params
),
2141 result
= parse_txq_params(tb
, &txq_params
);
2145 result
= rdev_set_txq_params(rdev
, netdev
,
2152 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2153 result
= __nl80211_set_channel(
2155 nl80211_can_set_dev_channel(wdev
) ? netdev
: NULL
,
2161 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2162 struct wireless_dev
*txp_wdev
= wdev
;
2163 enum nl80211_tx_power_setting type
;
2166 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2169 if (!rdev
->ops
->set_tx_power
)
2172 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2173 type
= nla_get_u32(info
->attrs
[idx
]);
2175 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2176 (type
!= NL80211_TX_POWER_AUTOMATIC
))
2179 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2180 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2181 mbm
= nla_get_u32(info
->attrs
[idx
]);
2184 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2189 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2190 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2192 if ((!rdev
->wiphy
.available_antennas_tx
&&
2193 !rdev
->wiphy
.available_antennas_rx
) ||
2194 !rdev
->ops
->set_antenna
)
2197 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2198 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2200 /* reject antenna configurations which don't match the
2201 * available antenna masks, except for the "all" mask */
2202 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2203 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
)))
2206 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2207 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2209 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2216 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2217 retry_short
= nla_get_u8(
2218 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2219 if (retry_short
== 0)
2222 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2225 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2226 retry_long
= nla_get_u8(
2227 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2228 if (retry_long
== 0)
2231 changed
|= WIPHY_PARAM_RETRY_LONG
;
2234 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2235 frag_threshold
= nla_get_u32(
2236 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2237 if (frag_threshold
< 256)
2240 if (frag_threshold
!= (u32
) -1) {
2242 * Fragments (apart from the last one) are required to
2243 * have even length. Make the fragmentation code
2244 * simpler by stripping LSB should someone try to use
2245 * odd threshold value.
2247 frag_threshold
&= ~0x1;
2249 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2252 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2253 rts_threshold
= nla_get_u32(
2254 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2255 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2258 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2259 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
])
2262 coverage_class
= nla_get_u8(
2263 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2264 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2267 if (info
->attrs
[NL80211_ATTR_WIPHY_DYN_ACK
]) {
2268 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_ACKTO_ESTIMATION
))
2271 changed
|= WIPHY_PARAM_DYN_ACK
;
2275 u8 old_retry_short
, old_retry_long
;
2276 u32 old_frag_threshold
, old_rts_threshold
;
2277 u8 old_coverage_class
;
2279 if (!rdev
->ops
->set_wiphy_params
)
2282 old_retry_short
= rdev
->wiphy
.retry_short
;
2283 old_retry_long
= rdev
->wiphy
.retry_long
;
2284 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2285 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2286 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2288 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2289 rdev
->wiphy
.retry_short
= retry_short
;
2290 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2291 rdev
->wiphy
.retry_long
= retry_long
;
2292 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2293 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2294 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2295 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2296 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2297 rdev
->wiphy
.coverage_class
= coverage_class
;
2299 result
= rdev_set_wiphy_params(rdev
, changed
);
2301 rdev
->wiphy
.retry_short
= old_retry_short
;
2302 rdev
->wiphy
.retry_long
= old_retry_long
;
2303 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2304 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2305 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2311 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2313 return (u64
)wdev
->identifier
|
2314 ((u64
)wiphy_to_rdev(wdev
->wiphy
)->wiphy_idx
<< 32);
2317 static int nl80211_send_chandef(struct sk_buff
*msg
,
2318 const struct cfg80211_chan_def
*chandef
)
2320 if (WARN_ON(!cfg80211_chandef_valid(chandef
)))
2323 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2324 chandef
->chan
->center_freq
))
2326 switch (chandef
->width
) {
2327 case NL80211_CHAN_WIDTH_20_NOHT
:
2328 case NL80211_CHAN_WIDTH_20
:
2329 case NL80211_CHAN_WIDTH_40
:
2330 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2331 cfg80211_get_chandef_type(chandef
)))
2337 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2339 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2341 if (chandef
->center_freq2
&&
2342 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2347 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2348 struct cfg80211_registered_device
*rdev
,
2349 struct wireless_dev
*wdev
, bool removal
)
2351 struct net_device
*dev
= wdev
->netdev
;
2352 u8 cmd
= NL80211_CMD_NEW_INTERFACE
;
2356 cmd
= NL80211_CMD_DEL_INTERFACE
;
2358 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
2363 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2364 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2365 goto nla_put_failure
;
2367 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2368 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2369 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2370 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2371 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2372 rdev
->devlist_generation
^
2373 (cfg80211_rdev_list_generation
<< 2)))
2374 goto nla_put_failure
;
2376 if (rdev
->ops
->get_channel
) {
2378 struct cfg80211_chan_def chandef
;
2380 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2382 if (nl80211_send_chandef(msg
, &chandef
))
2383 goto nla_put_failure
;
2387 if (wdev
->ssid_len
) {
2388 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2389 goto nla_put_failure
;
2392 return genlmsg_end(msg
, hdr
);
2395 genlmsg_cancel(msg
, hdr
);
2399 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2403 int wp_start
= cb
->args
[0];
2404 int if_start
= cb
->args
[1];
2405 struct cfg80211_registered_device
*rdev
;
2406 struct wireless_dev
*wdev
;
2409 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2410 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2412 if (wp_idx
< wp_start
) {
2418 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2419 if (if_idx
< if_start
) {
2423 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2424 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2425 rdev
, wdev
, false) < 0) {
2436 cb
->args
[0] = wp_idx
;
2437 cb
->args
[1] = if_idx
;
2442 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2444 struct sk_buff
*msg
;
2445 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2446 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2448 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2452 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2453 rdev
, wdev
, false) < 0) {
2458 return genlmsg_reply(msg
, info
);
2461 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2462 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2463 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2464 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2465 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2466 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2467 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2470 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2472 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2480 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2481 nla
, mntr_flags_policy
))
2484 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2486 *mntrflags
|= (1<<flag
);
2491 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2492 struct net_device
*netdev
, u8 use_4addr
,
2493 enum nl80211_iftype iftype
)
2496 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2502 case NL80211_IFTYPE_AP_VLAN
:
2503 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2506 case NL80211_IFTYPE_STATION
:
2507 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2517 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2519 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2520 struct vif_params params
;
2522 enum nl80211_iftype otype
, ntype
;
2523 struct net_device
*dev
= info
->user_ptr
[1];
2524 u32 _flags
, *flags
= NULL
;
2525 bool change
= false;
2527 memset(¶ms
, 0, sizeof(params
));
2529 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2531 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2532 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2535 if (ntype
> NL80211_IFTYPE_MAX
)
2539 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2540 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2542 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2544 if (netif_running(dev
))
2548 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2549 IEEE80211_MAX_MESH_ID_LEN
);
2550 wdev
->mesh_id_up_len
=
2551 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2552 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2553 wdev
->mesh_id_up_len
);
2557 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2558 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2560 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2564 params
.use_4addr
= -1;
2567 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2568 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2570 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2579 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2580 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2584 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2588 if (!err
&& params
.use_4addr
!= -1)
2589 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2594 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2596 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2597 struct vif_params params
;
2598 struct wireless_dev
*wdev
;
2599 struct sk_buff
*msg
, *event
;
2601 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2604 /* to avoid failing a new interface creation due to pending removal */
2605 cfg80211_destroy_ifaces(rdev
);
2607 memset(¶ms
, 0, sizeof(params
));
2609 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2612 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2613 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2614 if (type
> NL80211_IFTYPE_MAX
)
2618 if (!rdev
->ops
->add_virtual_intf
||
2619 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2622 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2623 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2624 info
->attrs
[NL80211_ATTR_MAC
]) {
2625 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2627 if (!is_valid_ether_addr(params
.macaddr
))
2628 return -EADDRNOTAVAIL
;
2631 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2632 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2633 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2638 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2642 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2643 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2646 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2647 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2650 wdev
= rdev_add_virtual_intf(rdev
,
2651 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2652 type
, err
? NULL
: &flags
, ¶ms
);
2653 if (WARN_ON(!wdev
)) {
2656 } else if (IS_ERR(wdev
)) {
2658 return PTR_ERR(wdev
);
2661 if (info
->attrs
[NL80211_ATTR_SOCKET_OWNER
])
2662 wdev
->owner_nlportid
= info
->snd_portid
;
2665 case NL80211_IFTYPE_MESH_POINT
:
2666 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2669 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2670 IEEE80211_MAX_MESH_ID_LEN
);
2671 wdev
->mesh_id_up_len
=
2672 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2673 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2674 wdev
->mesh_id_up_len
);
2677 case NL80211_IFTYPE_P2P_DEVICE
:
2679 * P2P Device doesn't have a netdev, so doesn't go
2680 * through the netdev notifier and must be added here
2682 mutex_init(&wdev
->mtx
);
2683 INIT_LIST_HEAD(&wdev
->event_list
);
2684 spin_lock_init(&wdev
->event_lock
);
2685 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2686 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2688 wdev
->identifier
= ++rdev
->wdev_id
;
2689 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2690 rdev
->devlist_generation
++;
2696 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2697 rdev
, wdev
, false) < 0) {
2702 event
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2704 if (nl80211_send_iface(event
, 0, 0, 0,
2705 rdev
, wdev
, false) < 0) {
2710 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2711 event
, 0, NL80211_MCGRP_CONFIG
,
2716 return genlmsg_reply(msg
, info
);
2719 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2721 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2722 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2723 struct sk_buff
*msg
;
2726 if (!rdev
->ops
->del_virtual_intf
)
2729 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2730 if (msg
&& nl80211_send_iface(msg
, 0, 0, 0, rdev
, wdev
, true) < 0) {
2736 * If we remove a wireless device without a netdev then clear
2737 * user_ptr[1] so that nl80211_post_doit won't dereference it
2738 * to check if it needs to do dev_put(). Otherwise it crashes
2739 * since the wdev has been freed, unlike with a netdev where
2740 * we need the dev_put() for the netdev to really be freed.
2743 info
->user_ptr
[1] = NULL
;
2745 status
= rdev_del_virtual_intf(rdev
, wdev
);
2746 if (status
>= 0 && msg
)
2747 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
),
2748 msg
, 0, NL80211_MCGRP_CONFIG
,
2756 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2758 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2759 struct net_device
*dev
= info
->user_ptr
[1];
2762 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2765 if (!rdev
->ops
->set_noack_map
)
2768 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2770 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2773 struct get_key_cookie
{
2774 struct sk_buff
*msg
;
2779 static void get_key_callback(void *c
, struct key_params
*params
)
2782 struct get_key_cookie
*cookie
= c
;
2785 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2786 params
->key_len
, params
->key
)) ||
2788 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2789 params
->seq_len
, params
->seq
)) ||
2791 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2793 goto nla_put_failure
;
2795 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2797 goto nla_put_failure
;
2800 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2801 params
->key_len
, params
->key
)) ||
2803 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2804 params
->seq_len
, params
->seq
)) ||
2806 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2808 goto nla_put_failure
;
2810 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2811 goto nla_put_failure
;
2813 nla_nest_end(cookie
->msg
, key
);
2820 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2822 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2824 struct net_device
*dev
= info
->user_ptr
[1];
2826 const u8
*mac_addr
= NULL
;
2828 struct get_key_cookie cookie
= {
2832 struct sk_buff
*msg
;
2834 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2835 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2840 if (info
->attrs
[NL80211_ATTR_MAC
])
2841 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2843 pairwise
= !!mac_addr
;
2844 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2845 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2846 if (kt
>= NUM_NL80211_KEYTYPES
)
2848 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2849 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2851 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2854 if (!rdev
->ops
->get_key
)
2857 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2861 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2862 NL80211_CMD_NEW_KEY
);
2864 goto nla_put_failure
;
2867 cookie
.idx
= key_idx
;
2869 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2870 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2871 goto nla_put_failure
;
2873 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2874 goto nla_put_failure
;
2876 if (pairwise
&& mac_addr
&&
2877 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2880 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2887 goto nla_put_failure
;
2889 genlmsg_end(msg
, hdr
);
2890 return genlmsg_reply(msg
, info
);
2899 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2901 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2902 struct key_parse key
;
2904 struct net_device
*dev
= info
->user_ptr
[1];
2906 err
= nl80211_parse_key(info
, &key
);
2913 /* only support setting default key */
2914 if (!key
.def
&& !key
.defmgmt
)
2917 wdev_lock(dev
->ieee80211_ptr
);
2920 if (!rdev
->ops
->set_default_key
) {
2925 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2929 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2930 key
.def_uni
, key
.def_multi
);
2935 #ifdef CONFIG_CFG80211_WEXT
2936 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2939 if (key
.def_uni
|| !key
.def_multi
) {
2944 if (!rdev
->ops
->set_default_mgmt_key
) {
2949 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2953 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2957 #ifdef CONFIG_CFG80211_WEXT
2958 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2963 wdev_unlock(dev
->ieee80211_ptr
);
2968 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2970 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2972 struct net_device
*dev
= info
->user_ptr
[1];
2973 struct key_parse key
;
2974 const u8
*mac_addr
= NULL
;
2976 err
= nl80211_parse_key(info
, &key
);
2983 if (info
->attrs
[NL80211_ATTR_MAC
])
2984 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2986 if (key
.type
== -1) {
2988 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2990 key
.type
= NL80211_KEYTYPE_GROUP
;
2994 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2995 key
.type
!= NL80211_KEYTYPE_GROUP
)
2998 if (!rdev
->ops
->add_key
)
3001 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3002 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3006 wdev_lock(dev
->ieee80211_ptr
);
3007 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3009 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3010 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3012 wdev_unlock(dev
->ieee80211_ptr
);
3017 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3019 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3021 struct net_device
*dev
= info
->user_ptr
[1];
3022 u8
*mac_addr
= NULL
;
3023 struct key_parse key
;
3025 err
= nl80211_parse_key(info
, &key
);
3029 if (info
->attrs
[NL80211_ATTR_MAC
])
3030 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3032 if (key
.type
== -1) {
3034 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3036 key
.type
= NL80211_KEYTYPE_GROUP
;
3040 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3041 key
.type
!= NL80211_KEYTYPE_GROUP
)
3044 if (!rdev
->ops
->del_key
)
3047 wdev_lock(dev
->ieee80211_ptr
);
3048 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3050 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
3051 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3055 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3056 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3059 #ifdef CONFIG_CFG80211_WEXT
3061 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3062 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3063 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3064 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3067 wdev_unlock(dev
->ieee80211_ptr
);
3072 /* This function returns an error or the number of nested attributes */
3073 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3075 struct nlattr
*attr
;
3076 int n_entries
= 0, tmp
;
3078 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3079 if (nla_len(attr
) != ETH_ALEN
)
3089 * This function parses ACL information and allocates memory for ACL data.
3090 * On successful return, the calling function is responsible to free the
3091 * ACL buffer returned by this function.
3093 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3094 struct genl_info
*info
)
3096 enum nl80211_acl_policy acl_policy
;
3097 struct nlattr
*attr
;
3098 struct cfg80211_acl_data
*acl
;
3099 int i
= 0, n_entries
, tmp
;
3101 if (!wiphy
->max_acl_mac_addrs
)
3102 return ERR_PTR(-EOPNOTSUPP
);
3104 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3105 return ERR_PTR(-EINVAL
);
3107 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3108 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3109 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3110 return ERR_PTR(-EINVAL
);
3112 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3113 return ERR_PTR(-EINVAL
);
3115 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3117 return ERR_PTR(n_entries
);
3119 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3120 return ERR_PTR(-ENOTSUPP
);
3122 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3125 return ERR_PTR(-ENOMEM
);
3127 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3128 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3132 acl
->n_acl_entries
= n_entries
;
3133 acl
->acl_policy
= acl_policy
;
3138 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3140 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3141 struct net_device
*dev
= info
->user_ptr
[1];
3142 struct cfg80211_acl_data
*acl
;
3145 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3146 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3149 if (!dev
->ieee80211_ptr
->beacon_interval
)
3152 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3154 return PTR_ERR(acl
);
3156 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3163 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3164 struct cfg80211_beacon_data
*bcn
)
3166 bool haveinfo
= false;
3168 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3169 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3170 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3171 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3174 memset(bcn
, 0, sizeof(*bcn
));
3176 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3177 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3178 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3184 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3185 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3186 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3193 if (attrs
[NL80211_ATTR_IE
]) {
3194 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3195 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3198 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3199 bcn
->proberesp_ies
=
3200 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3201 bcn
->proberesp_ies_len
=
3202 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3205 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3206 bcn
->assocresp_ies
=
3207 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3208 bcn
->assocresp_ies_len
=
3209 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3212 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3213 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3214 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3220 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3221 struct cfg80211_ap_settings
*params
)
3223 struct wireless_dev
*wdev
;
3226 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3227 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3228 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3231 if (!wdev
->preset_chandef
.chan
)
3234 params
->chandef
= wdev
->preset_chandef
;
3242 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3243 enum nl80211_auth_type auth_type
,
3244 enum nl80211_commands cmd
)
3246 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3250 case NL80211_CMD_AUTHENTICATE
:
3251 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3252 auth_type
== NL80211_AUTHTYPE_SAE
)
3255 case NL80211_CMD_CONNECT
:
3256 case NL80211_CMD_START_AP
:
3257 /* SAE not supported yet */
3258 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3266 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3268 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3269 struct net_device
*dev
= info
->user_ptr
[1];
3270 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3271 struct cfg80211_ap_settings params
;
3274 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3275 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3278 if (!rdev
->ops
->start_ap
)
3281 if (wdev
->beacon_interval
)
3284 memset(¶ms
, 0, sizeof(params
));
3286 /* these are required for START_AP */
3287 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3288 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3289 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3292 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3296 params
.beacon_interval
=
3297 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3298 params
.dtim_period
=
3299 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3301 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3306 * In theory, some of these attributes should be required here
3307 * but since they were not used when the command was originally
3308 * added, keep them optional for old user space programs to let
3309 * them continue to work with drivers that do not need the
3310 * additional information -- drivers must check!
3312 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3313 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3315 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3316 if (params
.ssid_len
== 0 ||
3317 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3321 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3322 params
.hidden_ssid
= nla_get_u32(
3323 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3324 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3325 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3326 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3330 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3332 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3333 params
.auth_type
= nla_get_u32(
3334 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3335 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3336 NL80211_CMD_START_AP
))
3339 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3341 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3342 NL80211_MAX_NR_CIPHER_SUITES
);
3346 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3347 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3349 params
.inactivity_timeout
= nla_get_u16(
3350 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3353 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3354 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3356 params
.p2p_ctwindow
=
3357 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3358 if (params
.p2p_ctwindow
> 127)
3360 if (params
.p2p_ctwindow
!= 0 &&
3361 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3365 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3368 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3370 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3373 params
.p2p_opp_ps
= tmp
;
3374 if (params
.p2p_opp_ps
!= 0 &&
3375 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3379 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3380 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3383 } else if (wdev
->preset_chandef
.chan
) {
3384 params
.chandef
= wdev
->preset_chandef
;
3385 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3388 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3392 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3393 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3394 if (IS_ERR(params
.acl
))
3395 return PTR_ERR(params
.acl
);
3398 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3400 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3401 switch (params
.smps_mode
) {
3402 case NL80211_SMPS_OFF
:
3404 case NL80211_SMPS_STATIC
:
3405 if (!(rdev
->wiphy
.features
&
3406 NL80211_FEATURE_STATIC_SMPS
))
3409 case NL80211_SMPS_DYNAMIC
:
3410 if (!(rdev
->wiphy
.features
&
3411 NL80211_FEATURE_DYNAMIC_SMPS
))
3418 params
.smps_mode
= NL80211_SMPS_OFF
;
3422 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3424 wdev
->preset_chandef
= params
.chandef
;
3425 wdev
->beacon_interval
= params
.beacon_interval
;
3426 wdev
->chandef
= params
.chandef
;
3427 wdev
->ssid_len
= params
.ssid_len
;
3428 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3437 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3439 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3440 struct net_device
*dev
= info
->user_ptr
[1];
3441 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3442 struct cfg80211_beacon_data params
;
3445 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3446 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3449 if (!rdev
->ops
->change_beacon
)
3452 if (!wdev
->beacon_interval
)
3455 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3460 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3466 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3468 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3469 struct net_device
*dev
= info
->user_ptr
[1];
3471 return cfg80211_stop_ap(rdev
, dev
, false);
3474 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3475 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3476 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3477 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3478 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3479 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3480 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3483 static int parse_station_flags(struct genl_info
*info
,
3484 enum nl80211_iftype iftype
,
3485 struct station_parameters
*params
)
3487 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3492 * Try parsing the new attribute first so userspace
3493 * can specify both for older kernels.
3495 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3497 struct nl80211_sta_flag_update
*sta_flags
;
3499 sta_flags
= nla_data(nla
);
3500 params
->sta_flags_mask
= sta_flags
->mask
;
3501 params
->sta_flags_set
= sta_flags
->set
;
3502 params
->sta_flags_set
&= params
->sta_flags_mask
;
3503 if ((params
->sta_flags_mask
|
3504 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3509 /* if present, parse the old attribute */
3511 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3515 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3516 nla
, sta_flags_policy
))
3520 * Only allow certain flags for interface types so that
3521 * other attributes are silently ignored. Remember that
3522 * this is backward compatibility code with old userspace
3523 * and shouldn't be hit in other cases anyway.
3526 case NL80211_IFTYPE_AP
:
3527 case NL80211_IFTYPE_AP_VLAN
:
3528 case NL80211_IFTYPE_P2P_GO
:
3529 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3530 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3531 BIT(NL80211_STA_FLAG_WME
) |
3532 BIT(NL80211_STA_FLAG_MFP
);
3534 case NL80211_IFTYPE_P2P_CLIENT
:
3535 case NL80211_IFTYPE_STATION
:
3536 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3537 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3539 case NL80211_IFTYPE_MESH_POINT
:
3540 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3541 BIT(NL80211_STA_FLAG_MFP
) |
3542 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3547 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3549 params
->sta_flags_set
|= (1<<flag
);
3551 /* no longer support new API additions in old API */
3552 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3560 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3563 struct nlattr
*rate
;
3567 rate
= nla_nest_start(msg
, attr
);
3571 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3572 bitrate
= cfg80211_calculate_bitrate(info
);
3573 /* report 16-bit bitrate only if we can */
3574 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3576 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3578 if (bitrate_compat
> 0 &&
3579 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3582 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3583 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3585 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3586 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3588 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3589 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3591 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3592 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3594 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3596 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3597 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3599 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3600 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3602 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3603 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3605 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3606 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3608 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3609 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3613 nla_nest_end(msg
, rate
);
3617 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3626 attr
= nla_nest_start(msg
, id
);
3630 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3631 if (!(mask
& BIT(i
)))
3634 if (nla_put_u8(msg
, i
, signal
[i
]))
3638 nla_nest_end(msg
, attr
);
3643 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3645 struct cfg80211_registered_device
*rdev
,
3646 struct net_device
*dev
,
3647 const u8
*mac_addr
, struct station_info
*sinfo
)
3650 struct nlattr
*sinfoattr
, *bss_param
;
3652 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3656 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3657 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3658 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3659 goto nla_put_failure
;
3661 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3663 goto nla_put_failure
;
3664 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3665 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3666 sinfo
->connected_time
))
3667 goto nla_put_failure
;
3668 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3669 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3670 sinfo
->inactive_time
))
3671 goto nla_put_failure
;
3672 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3673 STATION_INFO_RX_BYTES64
)) &&
3674 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3675 (u32
)sinfo
->rx_bytes
))
3676 goto nla_put_failure
;
3677 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3678 STATION_INFO_TX_BYTES64
)) &&
3679 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3680 (u32
)sinfo
->tx_bytes
))
3681 goto nla_put_failure
;
3682 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3683 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3685 goto nla_put_failure
;
3686 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3687 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3689 goto nla_put_failure
;
3690 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3691 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3692 goto nla_put_failure
;
3693 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3694 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3695 goto nla_put_failure
;
3696 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3697 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3698 sinfo
->plink_state
))
3699 goto nla_put_failure
;
3700 switch (rdev
->wiphy
.signal_type
) {
3701 case CFG80211_SIGNAL_TYPE_MBM
:
3702 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3703 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3705 goto nla_put_failure
;
3706 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3707 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3709 goto nla_put_failure
;
3714 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3715 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3716 sinfo
->chain_signal
,
3717 NL80211_STA_INFO_CHAIN_SIGNAL
))
3718 goto nla_put_failure
;
3720 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3721 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3722 sinfo
->chain_signal_avg
,
3723 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3724 goto nla_put_failure
;
3726 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3727 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3728 NL80211_STA_INFO_TX_BITRATE
))
3729 goto nla_put_failure
;
3731 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3732 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3733 NL80211_STA_INFO_RX_BITRATE
))
3734 goto nla_put_failure
;
3736 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3737 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3739 goto nla_put_failure
;
3740 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3741 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3743 goto nla_put_failure
;
3744 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3745 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3747 goto nla_put_failure
;
3748 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3749 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3751 goto nla_put_failure
;
3752 if ((sinfo
->filled
& STATION_INFO_EXPECTED_THROUGHPUT
) &&
3753 nla_put_u32(msg
, NL80211_STA_INFO_EXPECTED_THROUGHPUT
,
3754 sinfo
->expected_throughput
))
3755 goto nla_put_failure
;
3756 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3757 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3758 sinfo
->beacon_loss_count
))
3759 goto nla_put_failure
;
3760 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3761 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3763 goto nla_put_failure
;
3764 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3765 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3767 goto nla_put_failure
;
3768 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3769 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3771 goto nla_put_failure
;
3772 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3773 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3775 goto nla_put_failure
;
3777 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3778 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3779 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3780 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3781 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3782 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3783 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3784 sinfo
->bss_param
.dtim_period
) ||
3785 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3786 sinfo
->bss_param
.beacon_interval
))
3787 goto nla_put_failure
;
3789 nla_nest_end(msg
, bss_param
);
3791 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3792 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3793 sizeof(struct nl80211_sta_flag_update
),
3795 goto nla_put_failure
;
3796 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3797 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3799 goto nla_put_failure
;
3800 nla_nest_end(msg
, sinfoattr
);
3802 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3803 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3804 sinfo
->assoc_req_ies
))
3805 goto nla_put_failure
;
3807 return genlmsg_end(msg
, hdr
);
3810 genlmsg_cancel(msg
, hdr
);
3814 static int nl80211_dump_station(struct sk_buff
*skb
,
3815 struct netlink_callback
*cb
)
3817 struct station_info sinfo
;
3818 struct cfg80211_registered_device
*rdev
;
3819 struct wireless_dev
*wdev
;
3820 u8 mac_addr
[ETH_ALEN
];
3821 int sta_idx
= cb
->args
[2];
3824 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3828 if (!wdev
->netdev
) {
3833 if (!rdev
->ops
->dump_station
) {
3839 memset(&sinfo
, 0, sizeof(sinfo
));
3840 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3847 if (nl80211_send_station(skb
,
3848 NETLINK_CB(cb
->skb
).portid
,
3849 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3850 rdev
, wdev
->netdev
, mac_addr
,
3859 cb
->args
[2] = sta_idx
;
3862 nl80211_finish_wdev_dump(rdev
);
3867 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3869 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3870 struct net_device
*dev
= info
->user_ptr
[1];
3871 struct station_info sinfo
;
3872 struct sk_buff
*msg
;
3873 u8
*mac_addr
= NULL
;
3876 memset(&sinfo
, 0, sizeof(sinfo
));
3878 if (!info
->attrs
[NL80211_ATTR_MAC
])
3881 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3883 if (!rdev
->ops
->get_station
)
3886 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3890 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3894 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3895 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3900 return genlmsg_reply(msg
, info
);
3903 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3904 struct station_parameters
*params
,
3905 enum cfg80211_station_type statype
)
3907 if (params
->listen_interval
!= -1)
3910 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3913 /* When you run into this, adjust the code below for the new flag */
3914 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3917 case CFG80211_STA_MESH_PEER_KERNEL
:
3918 case CFG80211_STA_MESH_PEER_USER
:
3920 * No ignoring the TDLS flag here -- the userspace mesh
3921 * code doesn't have the bug of including TDLS in the
3924 if (params
->sta_flags_mask
&
3925 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3926 BIT(NL80211_STA_FLAG_MFP
) |
3927 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3930 case CFG80211_STA_TDLS_PEER_SETUP
:
3931 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3932 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3934 /* ignore since it can't change */
3935 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3938 /* disallow mesh-specific things */
3939 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3941 if (params
->local_pm
)
3943 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3947 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3948 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3949 /* TDLS can't be set, ... */
3950 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3953 * ... but don't bother the driver with it. This works around
3954 * a hostapd/wpa_supplicant issue -- it always includes the
3955 * TLDS_PEER flag in the mask even for AP mode.
3957 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3960 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3961 /* reject other things that can't change */
3962 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3964 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3966 if (params
->supported_rates
)
3968 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3972 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3978 case CFG80211_STA_AP_MLME_CLIENT
:
3979 /* Use this only for authorizing/unauthorizing a station */
3980 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3983 case CFG80211_STA_AP_CLIENT
:
3984 /* accept only the listed bits */
3985 if (params
->sta_flags_mask
&
3986 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3987 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3988 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3989 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3990 BIT(NL80211_STA_FLAG_WME
) |
3991 BIT(NL80211_STA_FLAG_MFP
)))
3994 /* but authenticated/associated only if driver handles it */
3995 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3996 params
->sta_flags_mask
&
3997 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3998 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4001 case CFG80211_STA_IBSS
:
4002 case CFG80211_STA_AP_STA
:
4003 /* reject any changes other than AUTHORIZED */
4004 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4007 case CFG80211_STA_TDLS_PEER_SETUP
:
4008 /* reject any changes other than AUTHORIZED or WME */
4009 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4010 BIT(NL80211_STA_FLAG_WME
)))
4012 /* force (at least) rates when authorizing */
4013 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4014 !params
->supported_rates
)
4017 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4018 /* reject any changes */
4020 case CFG80211_STA_MESH_PEER_KERNEL
:
4021 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4024 case CFG80211_STA_MESH_PEER_USER
:
4025 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4032 EXPORT_SYMBOL(cfg80211_check_station_change
);
4035 * Get vlan interface making sure it is running and on the right wiphy.
4037 static struct net_device
*get_vlan(struct genl_info
*info
,
4038 struct cfg80211_registered_device
*rdev
)
4040 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4041 struct net_device
*v
;
4047 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4049 return ERR_PTR(-ENODEV
);
4051 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4056 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4057 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4058 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4063 if (!netif_running(v
)) {
4071 return ERR_PTR(ret
);
4074 static const struct nla_policy
4075 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4076 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4077 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4080 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4081 struct station_parameters
*params
)
4083 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4087 /* parse WME attributes if present */
4088 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4091 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4092 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4093 nl80211_sta_wme_policy
);
4097 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4098 params
->uapsd_queues
= nla_get_u8(
4099 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4100 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4103 if (tb
[NL80211_STA_WME_MAX_SP
])
4104 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4106 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4109 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4114 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4115 struct station_parameters
*params
)
4117 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4118 params
->supported_channels
=
4119 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4120 params
->supported_channels_len
=
4121 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4123 * Need to include at least one (first channel, number of
4124 * channels) tuple for each subband, and must have proper
4125 * tuples for the rest of the data as well.
4127 if (params
->supported_channels_len
< 2)
4129 if (params
->supported_channels_len
% 2)
4133 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4134 params
->supported_oper_classes
=
4135 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4136 params
->supported_oper_classes_len
=
4137 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4139 * The value of the Length field of the Supported Operating
4140 * Classes element is between 2 and 253.
4142 if (params
->supported_oper_classes_len
< 2 ||
4143 params
->supported_oper_classes_len
> 253)
4149 static int nl80211_set_station_tdls(struct genl_info
*info
,
4150 struct station_parameters
*params
)
4153 /* Dummy STA entry gets updated once the peer capabilities are known */
4154 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4155 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4156 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4158 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4159 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4161 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4163 err
= nl80211_parse_sta_channel_info(info
, params
);
4167 return nl80211_parse_sta_wme(info
, params
);
4170 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4172 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4173 struct net_device
*dev
= info
->user_ptr
[1];
4174 struct station_parameters params
;
4178 memset(¶ms
, 0, sizeof(params
));
4180 params
.listen_interval
= -1;
4182 if (!rdev
->ops
->change_station
)
4185 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4188 if (!info
->attrs
[NL80211_ATTR_MAC
])
4191 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4193 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4194 params
.supported_rates
=
4195 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4196 params
.supported_rates_len
=
4197 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4200 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4202 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4203 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4206 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4208 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4209 params
.ext_capab_len
=
4210 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4213 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4216 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4219 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4220 params
.plink_action
=
4221 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4222 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4226 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4227 params
.plink_state
=
4228 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4229 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4231 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4234 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4235 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4236 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4238 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4239 pm
> NL80211_MESH_POWER_MAX
)
4242 params
.local_pm
= pm
;
4245 /* Include parameters for TDLS peer (will check later) */
4246 err
= nl80211_set_station_tdls(info
, ¶ms
);
4250 params
.vlan
= get_vlan(info
, rdev
);
4251 if (IS_ERR(params
.vlan
))
4252 return PTR_ERR(params
.vlan
);
4254 switch (dev
->ieee80211_ptr
->iftype
) {
4255 case NL80211_IFTYPE_AP
:
4256 case NL80211_IFTYPE_AP_VLAN
:
4257 case NL80211_IFTYPE_P2P_GO
:
4258 case NL80211_IFTYPE_P2P_CLIENT
:
4259 case NL80211_IFTYPE_STATION
:
4260 case NL80211_IFTYPE_ADHOC
:
4261 case NL80211_IFTYPE_MESH_POINT
:
4268 /* driver will call cfg80211_check_station_change() */
4269 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4273 dev_put(params
.vlan
);
4278 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4280 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4282 struct net_device
*dev
= info
->user_ptr
[1];
4283 struct station_parameters params
;
4284 u8
*mac_addr
= NULL
;
4286 memset(¶ms
, 0, sizeof(params
));
4288 if (!rdev
->ops
->add_station
)
4291 if (!info
->attrs
[NL80211_ATTR_MAC
])
4294 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4297 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4300 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4301 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4304 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4305 params
.supported_rates
=
4306 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4307 params
.supported_rates_len
=
4308 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4309 params
.listen_interval
=
4310 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4312 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4313 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4315 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4316 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4319 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4321 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4322 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4325 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4327 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4328 params
.ext_capab_len
=
4329 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4332 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4334 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4336 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4338 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4340 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4341 params
.opmode_notif_used
= true;
4342 params
.opmode_notif
=
4343 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4346 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4347 params
.plink_action
=
4348 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4349 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4353 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4357 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4361 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4364 /* When you run into this, adjust the code below for the new flag */
4365 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4367 switch (dev
->ieee80211_ptr
->iftype
) {
4368 case NL80211_IFTYPE_AP
:
4369 case NL80211_IFTYPE_AP_VLAN
:
4370 case NL80211_IFTYPE_P2P_GO
:
4371 /* ignore WME attributes if iface/sta is not capable */
4372 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4373 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4374 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4376 /* TDLS peers cannot be added */
4377 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4378 info
->attrs
[NL80211_ATTR_PEER_AID
])
4380 /* but don't bother the driver with it */
4381 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4383 /* allow authenticated/associated only if driver handles it */
4384 if (!(rdev
->wiphy
.features
&
4385 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4386 params
.sta_flags_mask
&
4387 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4388 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4391 /* must be last in here for error handling */
4392 params
.vlan
= get_vlan(info
, rdev
);
4393 if (IS_ERR(params
.vlan
))
4394 return PTR_ERR(params
.vlan
);
4396 case NL80211_IFTYPE_MESH_POINT
:
4397 /* ignore uAPSD data */
4398 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4400 /* associated is disallowed */
4401 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4403 /* TDLS peers cannot be added */
4404 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4405 info
->attrs
[NL80211_ATTR_PEER_AID
])
4408 case NL80211_IFTYPE_STATION
:
4409 case NL80211_IFTYPE_P2P_CLIENT
:
4410 /* ignore uAPSD data */
4411 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4413 /* these are disallowed */
4414 if (params
.sta_flags_mask
&
4415 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4416 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4418 /* Only TDLS peers can be added */
4419 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4421 /* Can only add if TDLS ... */
4422 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4424 /* ... with external setup is supported */
4425 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4428 * Older wpa_supplicant versions always mark the TDLS peer
4429 * as authorized, but it shouldn't yet be.
4431 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4437 /* be aware of params.vlan when changing code here */
4439 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4442 dev_put(params
.vlan
);
4446 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4448 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4449 struct net_device
*dev
= info
->user_ptr
[1];
4450 struct station_del_parameters params
;
4452 memset(¶ms
, 0, sizeof(params
));
4454 if (info
->attrs
[NL80211_ATTR_MAC
])
4455 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4457 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4458 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4459 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4460 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4463 if (!rdev
->ops
->del_station
)
4466 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4468 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4469 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4470 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4473 /* Default to Deauthentication frame */
4474 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4477 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4478 params
.reason_code
=
4479 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4480 if (params
.reason_code
== 0)
4481 return -EINVAL
; /* 0 is reserved */
4483 /* Default to reason code 2 */
4484 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4487 return rdev_del_station(rdev
, dev
, ¶ms
);
4490 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4491 int flags
, struct net_device
*dev
,
4492 u8
*dst
, u8
*next_hop
,
4493 struct mpath_info
*pinfo
)
4496 struct nlattr
*pinfoattr
;
4498 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4502 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4503 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4504 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4505 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4506 goto nla_put_failure
;
4508 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4510 goto nla_put_failure
;
4511 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4512 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4514 goto nla_put_failure
;
4515 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4516 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4517 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4518 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4520 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4521 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4523 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4524 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4526 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4527 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4528 pinfo
->discovery_timeout
)) ||
4529 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4530 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4531 pinfo
->discovery_retries
)))
4532 goto nla_put_failure
;
4534 nla_nest_end(msg
, pinfoattr
);
4536 return genlmsg_end(msg
, hdr
);
4539 genlmsg_cancel(msg
, hdr
);
4543 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4544 struct netlink_callback
*cb
)
4546 struct mpath_info pinfo
;
4547 struct cfg80211_registered_device
*rdev
;
4548 struct wireless_dev
*wdev
;
4550 u8 next_hop
[ETH_ALEN
];
4551 int path_idx
= cb
->args
[2];
4554 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4558 if (!rdev
->ops
->dump_mpath
) {
4563 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4569 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4576 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4577 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4578 wdev
->netdev
, dst
, next_hop
,
4587 cb
->args
[2] = path_idx
;
4590 nl80211_finish_wdev_dump(rdev
);
4594 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4596 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4598 struct net_device
*dev
= info
->user_ptr
[1];
4599 struct mpath_info pinfo
;
4600 struct sk_buff
*msg
;
4602 u8 next_hop
[ETH_ALEN
];
4604 memset(&pinfo
, 0, sizeof(pinfo
));
4606 if (!info
->attrs
[NL80211_ATTR_MAC
])
4609 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4611 if (!rdev
->ops
->get_mpath
)
4614 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4617 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4621 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4625 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4626 dev
, dst
, next_hop
, &pinfo
) < 0) {
4631 return genlmsg_reply(msg
, info
);
4634 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4636 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4637 struct net_device
*dev
= info
->user_ptr
[1];
4639 u8
*next_hop
= NULL
;
4641 if (!info
->attrs
[NL80211_ATTR_MAC
])
4644 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4647 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4648 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4650 if (!rdev
->ops
->change_mpath
)
4653 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4656 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4659 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4661 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4662 struct net_device
*dev
= info
->user_ptr
[1];
4664 u8
*next_hop
= NULL
;
4666 if (!info
->attrs
[NL80211_ATTR_MAC
])
4669 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4672 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4673 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4675 if (!rdev
->ops
->add_mpath
)
4678 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4681 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4684 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4686 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4687 struct net_device
*dev
= info
->user_ptr
[1];
4690 if (info
->attrs
[NL80211_ATTR_MAC
])
4691 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4693 if (!rdev
->ops
->del_mpath
)
4696 return rdev_del_mpath(rdev
, dev
, dst
);
4699 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4701 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4703 struct net_device
*dev
= info
->user_ptr
[1];
4704 struct mpath_info pinfo
;
4705 struct sk_buff
*msg
;
4709 memset(&pinfo
, 0, sizeof(pinfo
));
4711 if (!info
->attrs
[NL80211_ATTR_MAC
])
4714 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4716 if (!rdev
->ops
->get_mpp
)
4719 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4722 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4726 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4730 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4731 dev
, dst
, mpp
, &pinfo
) < 0) {
4736 return genlmsg_reply(msg
, info
);
4739 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4740 struct netlink_callback
*cb
)
4742 struct mpath_info pinfo
;
4743 struct cfg80211_registered_device
*rdev
;
4744 struct wireless_dev
*wdev
;
4747 int path_idx
= cb
->args
[2];
4750 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4754 if (!rdev
->ops
->dump_mpp
) {
4759 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4765 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4772 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4773 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4774 wdev
->netdev
, dst
, mpp
,
4782 cb
->args
[2] = path_idx
;
4785 nl80211_finish_wdev_dump(rdev
);
4789 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4791 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4792 struct net_device
*dev
= info
->user_ptr
[1];
4793 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4794 struct bss_parameters params
;
4797 memset(¶ms
, 0, sizeof(params
));
4798 /* default to not changing parameters */
4799 params
.use_cts_prot
= -1;
4800 params
.use_short_preamble
= -1;
4801 params
.use_short_slot_time
= -1;
4802 params
.ap_isolate
= -1;
4803 params
.ht_opmode
= -1;
4804 params
.p2p_ctwindow
= -1;
4805 params
.p2p_opp_ps
= -1;
4807 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4808 params
.use_cts_prot
=
4809 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4810 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4811 params
.use_short_preamble
=
4812 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4813 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4814 params
.use_short_slot_time
=
4815 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4816 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4817 params
.basic_rates
=
4818 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4819 params
.basic_rates_len
=
4820 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4822 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4823 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4824 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4826 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4828 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4829 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4831 params
.p2p_ctwindow
=
4832 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4833 if (params
.p2p_ctwindow
< 0)
4835 if (params
.p2p_ctwindow
!= 0 &&
4836 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4840 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4843 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4845 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4848 params
.p2p_opp_ps
= tmp
;
4849 if (params
.p2p_opp_ps
&&
4850 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4854 if (!rdev
->ops
->change_bss
)
4857 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4858 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4862 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4868 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4869 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4870 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4871 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4872 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4873 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4874 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4875 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4878 static int parse_reg_rule(struct nlattr
*tb
[],
4879 struct ieee80211_reg_rule
*reg_rule
)
4881 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4882 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4884 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4886 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4888 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4890 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4892 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4895 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4897 freq_range
->start_freq_khz
=
4898 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4899 freq_range
->end_freq_khz
=
4900 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4901 freq_range
->max_bandwidth_khz
=
4902 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4904 power_rule
->max_eirp
=
4905 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4907 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4908 power_rule
->max_antenna_gain
=
4909 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4911 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4912 reg_rule
->dfs_cac_ms
=
4913 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4918 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4921 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4924 * You should only get this when cfg80211 hasn't yet initialized
4925 * completely when built-in to the kernel right between the time
4926 * window between nl80211_init() and regulatory_init(), if that is
4929 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4930 return -EINPROGRESS
;
4932 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4933 user_reg_hint_type
=
4934 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4936 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4938 switch (user_reg_hint_type
) {
4939 case NL80211_USER_REG_HINT_USER
:
4940 case NL80211_USER_REG_HINT_CELL_BASE
:
4941 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4944 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4945 return regulatory_hint_user(data
, user_reg_hint_type
);
4946 case NL80211_USER_REG_HINT_INDOOR
:
4947 return regulatory_hint_indoor_user();
4953 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4954 struct genl_info
*info
)
4956 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4957 struct net_device
*dev
= info
->user_ptr
[1];
4958 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4959 struct mesh_config cur_params
;
4962 struct nlattr
*pinfoattr
;
4963 struct sk_buff
*msg
;
4965 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4968 if (!rdev
->ops
->get_mesh_config
)
4972 /* If not connected, get default parameters */
4973 if (!wdev
->mesh_id_len
)
4974 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4976 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4982 /* Draw up a netlink message to send back */
4983 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4986 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4987 NL80211_CMD_GET_MESH_CONFIG
);
4990 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4992 goto nla_put_failure
;
4993 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4994 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4995 cur_params
.dot11MeshRetryTimeout
) ||
4996 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4997 cur_params
.dot11MeshConfirmTimeout
) ||
4998 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4999 cur_params
.dot11MeshHoldingTimeout
) ||
5000 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5001 cur_params
.dot11MeshMaxPeerLinks
) ||
5002 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5003 cur_params
.dot11MeshMaxRetries
) ||
5004 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5005 cur_params
.dot11MeshTTL
) ||
5006 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5007 cur_params
.element_ttl
) ||
5008 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5009 cur_params
.auto_open_plinks
) ||
5010 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5011 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5012 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5013 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5014 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5015 cur_params
.path_refresh_time
) ||
5016 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5017 cur_params
.min_discovery_timeout
) ||
5018 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5019 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5020 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5021 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5022 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5023 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5024 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5025 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5026 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5027 cur_params
.dot11MeshHWMPRootMode
) ||
5028 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5029 cur_params
.dot11MeshHWMPRannInterval
) ||
5030 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5031 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5032 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5033 cur_params
.dot11MeshForwarding
) ||
5034 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5035 cur_params
.rssi_threshold
) ||
5036 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5037 cur_params
.ht_opmode
) ||
5038 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5039 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5040 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5041 cur_params
.dot11MeshHWMProotInterval
) ||
5042 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5043 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5044 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5045 cur_params
.power_mode
) ||
5046 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5047 cur_params
.dot11MeshAwakeWindowDuration
) ||
5048 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5049 cur_params
.plink_timeout
))
5050 goto nla_put_failure
;
5051 nla_nest_end(msg
, pinfoattr
);
5052 genlmsg_end(msg
, hdr
);
5053 return genlmsg_reply(msg
, info
);
5056 genlmsg_cancel(msg
, hdr
);
5062 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5063 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5064 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5065 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5066 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5067 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5068 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5069 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5070 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5071 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5072 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5073 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5074 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5075 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5076 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5077 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5078 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5079 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5080 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5081 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5082 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5083 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5084 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5085 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5086 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5087 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5088 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5089 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5090 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5093 static const struct nla_policy
5094 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5095 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5096 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5097 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5098 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5099 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5100 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5101 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5102 .len
= IEEE80211_MAX_DATA_LEN
},
5103 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5106 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5107 struct mesh_config
*cfg
,
5110 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5113 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5116 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5118 cfg->param = fn(tb[attr]); \
5119 mask |= (1 << (attr - 1)); \
5124 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5126 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5127 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5128 nl80211_meshconf_params_policy
))
5131 /* This makes sure that there aren't more than 32 mesh config
5132 * parameters (otherwise our bitfield scheme would not work.) */
5133 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5135 /* Fill in the params struct */
5136 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5137 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5139 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5140 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5142 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5143 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5145 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5146 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5148 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5149 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5151 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5152 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5153 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5154 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5156 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5157 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5159 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5161 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5163 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5164 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5166 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5167 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5169 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5170 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5172 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5174 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5176 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5178 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5180 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5182 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5184 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5185 dot11MeshHWMPnetDiameterTraversalTime
,
5187 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5189 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5190 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5192 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5193 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5195 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5196 dot11MeshGateAnnouncementProtocol
, 0, 1,
5197 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5199 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5200 mask
, NL80211_MESHCONF_FORWARDING
,
5202 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5203 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5205 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5206 mask
, NL80211_MESHCONF_HT_OPMODE
,
5208 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5210 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5212 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5213 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5215 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5216 dot11MeshHWMPconfirmationInterval
,
5218 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5220 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5221 NL80211_MESH_POWER_ACTIVE
,
5222 NL80211_MESH_POWER_MAX
,
5223 mask
, NL80211_MESHCONF_POWER_MODE
,
5225 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5227 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5228 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5229 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5236 #undef FILL_IN_MESH_PARAM_IF_SET
5239 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5240 struct mesh_setup
*setup
)
5242 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5243 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5245 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5247 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5248 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5249 nl80211_mesh_setup_params_policy
))
5252 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5253 setup
->sync_method
=
5254 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5255 IEEE80211_SYNC_METHOD_VENDOR
:
5256 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5258 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5259 setup
->path_sel_proto
=
5260 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5261 IEEE80211_PATH_PROTOCOL_VENDOR
:
5262 IEEE80211_PATH_PROTOCOL_HWMP
;
5264 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5265 setup
->path_metric
=
5266 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5267 IEEE80211_PATH_METRIC_VENDOR
:
5268 IEEE80211_PATH_METRIC_AIRTIME
;
5271 if (tb
[NL80211_MESH_SETUP_IE
]) {
5272 struct nlattr
*ieattr
=
5273 tb
[NL80211_MESH_SETUP_IE
];
5274 if (!is_valid_ie_attr(ieattr
))
5276 setup
->ie
= nla_data(ieattr
);
5277 setup
->ie_len
= nla_len(ieattr
);
5279 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5280 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5282 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5283 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5284 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5285 if (setup
->is_secure
)
5286 setup
->user_mpm
= true;
5288 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5289 if (!setup
->user_mpm
)
5292 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5298 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5299 struct genl_info
*info
)
5301 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5302 struct net_device
*dev
= info
->user_ptr
[1];
5303 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5304 struct mesh_config cfg
;
5308 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5311 if (!rdev
->ops
->update_mesh_config
)
5314 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5319 if (!wdev
->mesh_id_len
)
5323 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5330 static int nl80211_put_regdom(const struct ieee80211_regdomain
*regdom
,
5331 struct sk_buff
*msg
)
5333 struct nlattr
*nl_reg_rules
;
5336 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5337 (regdom
->dfs_region
&&
5338 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5339 goto nla_put_failure
;
5341 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5343 goto nla_put_failure
;
5345 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5346 struct nlattr
*nl_reg_rule
;
5347 const struct ieee80211_reg_rule
*reg_rule
;
5348 const struct ieee80211_freq_range
*freq_range
;
5349 const struct ieee80211_power_rule
*power_rule
;
5350 unsigned int max_bandwidth_khz
;
5352 reg_rule
= ®dom
->reg_rules
[i
];
5353 freq_range
= ®_rule
->freq_range
;
5354 power_rule
= ®_rule
->power_rule
;
5356 nl_reg_rule
= nla_nest_start(msg
, i
);
5358 goto nla_put_failure
;
5360 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5361 if (!max_bandwidth_khz
)
5362 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5365 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5367 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5368 freq_range
->start_freq_khz
) ||
5369 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5370 freq_range
->end_freq_khz
) ||
5371 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5372 max_bandwidth_khz
) ||
5373 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5374 power_rule
->max_antenna_gain
) ||
5375 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5376 power_rule
->max_eirp
) ||
5377 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5378 reg_rule
->dfs_cac_ms
))
5379 goto nla_put_failure
;
5381 nla_nest_end(msg
, nl_reg_rule
);
5384 nla_nest_end(msg
, nl_reg_rules
);
5391 static int nl80211_get_reg_do(struct sk_buff
*skb
, struct genl_info
*info
)
5393 const struct ieee80211_regdomain
*regdom
= NULL
;
5394 struct cfg80211_registered_device
*rdev
;
5395 struct wiphy
*wiphy
= NULL
;
5396 struct sk_buff
*msg
;
5399 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5403 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5404 NL80211_CMD_GET_REG
);
5408 if (info
->attrs
[NL80211_ATTR_WIPHY
]) {
5409 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
5412 return PTR_ERR(rdev
);
5415 wiphy
= &rdev
->wiphy
;
5416 regdom
= get_wiphy_regdom(wiphy
);
5419 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5420 goto nla_put_failure
;
5423 if (!wiphy
&& reg_last_request_cell_base() &&
5424 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5425 NL80211_USER_REG_HINT_CELL_BASE
))
5426 goto nla_put_failure
;
5431 regdom
= rcu_dereference(cfg80211_regdomain
);
5433 if (nl80211_put_regdom(regdom
, msg
))
5434 goto nla_put_failure_rcu
;
5438 genlmsg_end(msg
, hdr
);
5439 return genlmsg_reply(msg
, info
);
5441 nla_put_failure_rcu
:
5444 genlmsg_cancel(msg
, hdr
);
5450 static int nl80211_send_regdom(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5451 u32 seq
, int flags
, struct wiphy
*wiphy
,
5452 const struct ieee80211_regdomain
*regdom
)
5454 void *hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5455 NL80211_CMD_GET_REG
);
5460 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5462 if (nl80211_put_regdom(regdom
, msg
))
5463 goto nla_put_failure
;
5465 if (!wiphy
&& reg_last_request_cell_base() &&
5466 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5467 NL80211_USER_REG_HINT_CELL_BASE
))
5468 goto nla_put_failure
;
5471 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
5472 goto nla_put_failure
;
5474 return genlmsg_end(msg
, hdr
);
5477 genlmsg_cancel(msg
, hdr
);
5481 static int nl80211_get_reg_dump(struct sk_buff
*skb
,
5482 struct netlink_callback
*cb
)
5484 const struct ieee80211_regdomain
*regdom
= NULL
;
5485 struct cfg80211_registered_device
*rdev
;
5486 int err
, reg_idx
, start
= cb
->args
[2];
5490 if (cfg80211_regdomain
&& start
== 0) {
5491 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5493 rtnl_dereference(cfg80211_regdomain
));
5498 /* the global regdom is idx 0 */
5500 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
5501 regdom
= get_wiphy_regdom(&rdev
->wiphy
);
5505 if (++reg_idx
<= start
)
5508 err
= nl80211_send_regdom(skb
, cb
, cb
->nlh
->nlmsg_seq
,
5509 NLM_F_MULTI
, &rdev
->wiphy
, regdom
);
5516 cb
->args
[2] = reg_idx
;
5523 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5525 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5526 struct nlattr
*nl_reg_rule
;
5528 int rem_reg_rules
, r
;
5529 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5530 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5531 struct ieee80211_regdomain
*rd
;
5533 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5536 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5539 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5541 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5542 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5544 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5547 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5551 if (!reg_is_valid_request(alpha2
))
5554 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5555 num_rules
* sizeof(struct ieee80211_reg_rule
);
5557 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5561 rd
->n_reg_rules
= num_rules
;
5562 rd
->alpha2
[0] = alpha2
[0];
5563 rd
->alpha2
[1] = alpha2
[1];
5566 * Disable DFS master mode if the DFS region was
5567 * not supported or known on this kernel.
5569 if (reg_supported_dfs_region(dfs_region
))
5570 rd
->dfs_region
= dfs_region
;
5572 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5574 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5575 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5579 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5585 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5592 /* set_regdom took ownership */
5600 static int validate_scan_freqs(struct nlattr
*freqs
)
5602 struct nlattr
*attr1
, *attr2
;
5603 int n_channels
= 0, tmp1
, tmp2
;
5605 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5608 * Some hardware has a limited channel list for
5609 * scanning, and it is pretty much nonsensical
5610 * to scan for a channel twice, so disallow that
5611 * and don't require drivers to check that the
5612 * channel list they get isn't longer than what
5613 * they can scan, as long as they can scan all
5614 * the channels they registered at once.
5616 nla_for_each_nested(attr2
, freqs
, tmp2
)
5617 if (attr1
!= attr2
&&
5618 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5625 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5626 u8
*mac_addr
, u8
*mac_addr_mask
)
5630 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5631 memset(mac_addr
, 0, ETH_ALEN
);
5632 memset(mac_addr_mask
, 0, ETH_ALEN
);
5634 mac_addr_mask
[0] = 0x3;
5639 /* need both or none */
5640 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5643 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5644 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5646 /* don't allow or configure an mcast address */
5647 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5648 is_multicast_ether_addr(mac_addr
))
5652 * allow users to pass a MAC address that has bits set outside
5653 * of the mask, but don't bother drivers with having to deal
5656 for (i
= 0; i
< ETH_ALEN
; i
++)
5657 mac_addr
[i
] &= mac_addr_mask
[i
];
5662 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5664 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5665 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5666 struct cfg80211_scan_request
*request
;
5667 struct nlattr
*attr
;
5668 struct wiphy
*wiphy
;
5669 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5672 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5675 wiphy
= &rdev
->wiphy
;
5677 if (!rdev
->ops
->scan
)
5680 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5685 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5686 n_channels
= validate_scan_freqs(
5687 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5693 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5696 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5697 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5700 if (n_ssids
> wiphy
->max_scan_ssids
) {
5705 if (info
->attrs
[NL80211_ATTR_IE
])
5706 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5710 if (ie_len
> wiphy
->max_scan_ie_len
) {
5715 request
= kzalloc(sizeof(*request
)
5716 + sizeof(*request
->ssids
) * n_ssids
5717 + sizeof(*request
->channels
) * n_channels
5718 + ie_len
, GFP_KERNEL
);
5725 request
->ssids
= (void *)&request
->channels
[n_channels
];
5726 request
->n_ssids
= n_ssids
;
5729 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5731 request
->ie
= (void *)(request
->channels
+ n_channels
);
5735 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5736 /* user specified, bail out if channel not found */
5737 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5738 struct ieee80211_channel
*chan
;
5740 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5747 /* ignore disabled channels */
5748 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5751 request
->channels
[i
] = chan
;
5755 enum ieee80211_band band
;
5758 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5760 if (!wiphy
->bands
[band
])
5762 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5763 struct ieee80211_channel
*chan
;
5765 chan
= &wiphy
->bands
[band
]->channels
[j
];
5767 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5770 request
->channels
[i
] = chan
;
5781 request
->n_channels
= i
;
5784 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5785 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5786 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5790 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5791 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5796 if (info
->attrs
[NL80211_ATTR_IE
]) {
5797 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5798 memcpy((void *)request
->ie
,
5799 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5803 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5804 if (wiphy
->bands
[i
])
5806 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5808 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5809 nla_for_each_nested(attr
,
5810 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5812 enum ieee80211_band band
= nla_type(attr
);
5814 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5819 if (!wiphy
->bands
[band
])
5822 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5825 &request
->rates
[band
]);
5831 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5832 request
->flags
= nla_get_u32(
5833 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5834 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5835 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5840 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5841 if (!(wiphy
->features
&
5842 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5847 if (wdev
->current_bss
) {
5852 err
= nl80211_parse_random_mac(info
->attrs
,
5854 request
->mac_addr_mask
);
5861 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5863 request
->wdev
= wdev
;
5864 request
->wiphy
= &rdev
->wiphy
;
5865 request
->scan_start
= jiffies
;
5867 rdev
->scan_req
= request
;
5868 err
= rdev_scan(rdev
, request
);
5871 nl80211_send_scan_start(rdev
, wdev
);
5873 dev_hold(wdev
->netdev
);
5876 rdev
->scan_req
= NULL
;
5884 static struct cfg80211_sched_scan_request
*
5885 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
5886 struct nlattr
**attrs
)
5888 struct cfg80211_sched_scan_request
*request
;
5889 struct nlattr
*attr
;
5890 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5892 enum ieee80211_band band
;
5894 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5895 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5897 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
5898 return ERR_PTR(-EINVAL
);
5900 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5901 return ERR_PTR(-EINVAL
);
5903 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5905 return ERR_PTR(-EINVAL
);
5907 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5908 n_channels
= validate_scan_freqs(
5909 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5911 return ERR_PTR(-EINVAL
);
5913 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5916 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
5917 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5921 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5922 return ERR_PTR(-EINVAL
);
5925 * First, count the number of 'real' matchsets. Due to an issue with
5926 * the old implementation, matchsets containing only the RSSI attribute
5927 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5928 * RSSI for all matchsets, rather than their own matchset for reporting
5929 * all APs with a strong RSSI. This is needed to be compatible with
5930 * older userspace that treated a matchset with only the RSSI as the
5931 * global RSSI for all other matchsets - if there are other matchsets.
5933 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5934 nla_for_each_nested(attr
,
5935 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5937 struct nlattr
*rssi
;
5939 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5940 nla_data(attr
), nla_len(attr
),
5941 nl80211_match_policy
);
5943 return ERR_PTR(err
);
5944 /* add other standalone attributes here */
5945 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5949 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5951 default_match_rssi
= nla_get_s32(rssi
);
5955 /* However, if there's no other matchset, add the RSSI one */
5956 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5959 if (n_match_sets
> wiphy
->max_match_sets
)
5960 return ERR_PTR(-EINVAL
);
5962 if (attrs
[NL80211_ATTR_IE
])
5963 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
5967 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5968 return ERR_PTR(-EINVAL
);
5970 request
= kzalloc(sizeof(*request
)
5971 + sizeof(*request
->ssids
) * n_ssids
5972 + sizeof(*request
->match_sets
) * n_match_sets
5973 + sizeof(*request
->channels
) * n_channels
5974 + ie_len
, GFP_KERNEL
);
5976 return ERR_PTR(-ENOMEM
);
5979 request
->ssids
= (void *)&request
->channels
[n_channels
];
5980 request
->n_ssids
= n_ssids
;
5983 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5985 request
->ie
= (void *)(request
->channels
+ n_channels
);
5990 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5991 else if (request
->ssids
)
5992 request
->match_sets
=
5993 (void *)(request
->ssids
+ n_ssids
);
5995 request
->match_sets
=
5996 (void *)(request
->channels
+ n_channels
);
5998 request
->n_match_sets
= n_match_sets
;
6001 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
6002 /* user specified, bail out if channel not found */
6003 nla_for_each_nested(attr
,
6004 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
6006 struct ieee80211_channel
*chan
;
6008 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
6015 /* ignore disabled channels */
6016 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6019 request
->channels
[i
] = chan
;
6024 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6026 if (!wiphy
->bands
[band
])
6028 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
6029 struct ieee80211_channel
*chan
;
6031 chan
= &wiphy
->bands
[band
]->channels
[j
];
6033 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
6036 request
->channels
[i
] = chan
;
6047 request
->n_channels
= i
;
6050 if (attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
6051 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
6053 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
6057 request
->ssids
[i
].ssid_len
= nla_len(attr
);
6058 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
6065 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
6066 nla_for_each_nested(attr
,
6067 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
6069 struct nlattr
*ssid
, *rssi
;
6071 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
6072 nla_data(attr
), nla_len(attr
),
6073 nl80211_match_policy
);
6076 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
6078 if (WARN_ON(i
>= n_match_sets
)) {
6079 /* this indicates a programming error,
6080 * the loop above should have verified
6087 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
6091 memcpy(request
->match_sets
[i
].ssid
.ssid
,
6092 nla_data(ssid
), nla_len(ssid
));
6093 request
->match_sets
[i
].ssid
.ssid_len
=
6095 /* special attribute - old implemenation w/a */
6096 request
->match_sets
[i
].rssi_thold
=
6098 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
6100 request
->match_sets
[i
].rssi_thold
=
6106 /* there was no other matchset, so the RSSI one is alone */
6108 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6110 request
->min_rssi_thold
= INT_MAX
;
6111 for (i
= 0; i
< n_match_sets
; i
++)
6112 request
->min_rssi_thold
=
6113 min(request
->match_sets
[i
].rssi_thold
,
6114 request
->min_rssi_thold
);
6116 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6120 request
->ie_len
= ie_len
;
6121 memcpy((void *)request
->ie
,
6122 nla_data(attrs
[NL80211_ATTR_IE
]),
6126 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6127 request
->flags
= nla_get_u32(
6128 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6129 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6130 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6135 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6136 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6138 if (!wdev
) /* must be net-detect */
6139 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6141 if (!(wiphy
->features
& flg
)) {
6146 if (wdev
&& wdev
->current_bss
) {
6151 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6152 request
->mac_addr_mask
);
6158 request
->interval
= interval
;
6159 request
->scan_start
= jiffies
;
6165 return ERR_PTR(err
);
6168 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6169 struct genl_info
*info
)
6171 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6172 struct net_device
*dev
= info
->user_ptr
[1];
6173 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6176 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6177 !rdev
->ops
->sched_scan_start
)
6180 if (rdev
->sched_scan_req
)
6181 return -EINPROGRESS
;
6183 rdev
->sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6185 err
= PTR_ERR_OR_ZERO(rdev
->sched_scan_req
);
6189 err
= rdev_sched_scan_start(rdev
, dev
, rdev
->sched_scan_req
);
6193 rdev
->sched_scan_req
->dev
= dev
;
6194 rdev
->sched_scan_req
->wiphy
= &rdev
->wiphy
;
6196 nl80211_send_sched_scan(rdev
, dev
,
6197 NL80211_CMD_START_SCHED_SCAN
);
6201 kfree(rdev
->sched_scan_req
);
6203 rdev
->sched_scan_req
= NULL
;
6207 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6208 struct genl_info
*info
)
6210 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6212 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6213 !rdev
->ops
->sched_scan_stop
)
6216 return __cfg80211_stop_sched_scan(rdev
, false);
6219 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6220 struct genl_info
*info
)
6222 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6223 struct net_device
*dev
= info
->user_ptr
[1];
6224 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6225 struct cfg80211_chan_def chandef
;
6226 enum nl80211_dfs_regions dfs_region
;
6227 unsigned int cac_time_ms
;
6230 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6231 if (dfs_region
== NL80211_DFS_UNSET
)
6234 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6238 if (netif_carrier_ok(dev
))
6241 if (wdev
->cac_started
)
6244 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6252 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6255 if (!rdev
->ops
->start_radar_detection
)
6258 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6259 if (WARN_ON(!cac_time_ms
))
6260 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6262 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6265 wdev
->chandef
= chandef
;
6266 wdev
->cac_started
= true;
6267 wdev
->cac_start_time
= jiffies
;
6268 wdev
->cac_time_ms
= cac_time_ms
;
6273 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6275 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6276 struct net_device
*dev
= info
->user_ptr
[1];
6277 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6278 struct cfg80211_csa_settings params
;
6279 /* csa_attrs is defined static to avoid waste of stack size - this
6280 * function is called under RTNL lock, so this should not be a problem.
6282 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6284 bool need_new_beacon
= false;
6288 if (!rdev
->ops
->channel_switch
||
6289 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6292 switch (dev
->ieee80211_ptr
->iftype
) {
6293 case NL80211_IFTYPE_AP
:
6294 case NL80211_IFTYPE_P2P_GO
:
6295 need_new_beacon
= true;
6297 /* useless if AP is not running */
6298 if (!wdev
->beacon_interval
)
6301 case NL80211_IFTYPE_ADHOC
:
6302 if (!wdev
->ssid_len
)
6305 case NL80211_IFTYPE_MESH_POINT
:
6306 if (!wdev
->mesh_id_len
)
6313 memset(¶ms
, 0, sizeof(params
));
6315 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6316 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6319 /* only important for AP, IBSS and mesh create IEs internally */
6320 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6323 /* Even though the attribute is u32, the specification says
6324 * u8, so let's make sure we don't overflow.
6326 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6330 params
.count
= cs_count
;
6332 if (!need_new_beacon
)
6335 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6339 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6340 info
->attrs
[NL80211_ATTR_CSA_IES
],
6345 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6349 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6352 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6353 if (!len
|| (len
% sizeof(u16
)))
6356 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6357 if (rdev
->wiphy
.max_num_csa_counters
&&
6358 (params
.n_counter_offsets_beacon
>
6359 rdev
->wiphy
.max_num_csa_counters
))
6362 params
.counter_offsets_beacon
=
6363 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6365 /* sanity checks - counters should fit and be the same */
6366 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6367 u16 offset
= params
.counter_offsets_beacon
[i
];
6369 if (offset
>= params
.beacon_csa
.tail_len
)
6372 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6376 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6377 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6378 if (!len
|| (len
% sizeof(u16
)))
6381 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6382 if (rdev
->wiphy
.max_num_csa_counters
&&
6383 (params
.n_counter_offsets_beacon
>
6384 rdev
->wiphy
.max_num_csa_counters
))
6387 params
.counter_offsets_presp
=
6388 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6390 /* sanity checks - counters should fit and be the same */
6391 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6392 u16 offset
= params
.counter_offsets_presp
[i
];
6394 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6397 if (params
.beacon_csa
.probe_resp
[offset
] !=
6404 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6408 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6412 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6419 params
.radar_required
= true;
6421 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6422 params
.block_tx
= true;
6425 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6431 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6433 struct cfg80211_registered_device
*rdev
,
6434 struct wireless_dev
*wdev
,
6435 struct cfg80211_internal_bss
*intbss
)
6437 struct cfg80211_bss
*res
= &intbss
->pub
;
6438 const struct cfg80211_bss_ies
*ies
;
6442 ASSERT_WDEV_LOCK(wdev
);
6444 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6445 NL80211_CMD_NEW_SCAN_RESULTS
);
6449 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6451 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6452 goto nla_put_failure
;
6454 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6455 goto nla_put_failure
;
6456 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6457 goto nla_put_failure
;
6459 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6461 goto nla_put_failure
;
6462 if ((!is_zero_ether_addr(res
->bssid
) &&
6463 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6464 goto nla_put_failure
;
6467 /* indicate whether we have probe response data or not */
6468 if (rcu_access_pointer(res
->proberesp_ies
) &&
6469 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6470 goto fail_unlock_rcu
;
6472 /* this pointer prefers to be pointed to probe response data
6473 * but is always valid
6475 ies
= rcu_dereference(res
->ies
);
6477 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6478 goto fail_unlock_rcu
;
6479 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6480 ies
->len
, ies
->data
))
6481 goto fail_unlock_rcu
;
6484 /* and this pointer is always (unless driver didn't know) beacon data */
6485 ies
= rcu_dereference(res
->beacon_ies
);
6486 if (ies
&& ies
->from_beacon
) {
6487 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6488 goto fail_unlock_rcu
;
6489 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6490 ies
->len
, ies
->data
))
6491 goto fail_unlock_rcu
;
6495 if (res
->beacon_interval
&&
6496 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6497 goto nla_put_failure
;
6498 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6499 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6500 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6501 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6502 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6503 goto nla_put_failure
;
6505 switch (rdev
->wiphy
.signal_type
) {
6506 case CFG80211_SIGNAL_TYPE_MBM
:
6507 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6508 goto nla_put_failure
;
6510 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6511 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6512 goto nla_put_failure
;
6518 switch (wdev
->iftype
) {
6519 case NL80211_IFTYPE_P2P_CLIENT
:
6520 case NL80211_IFTYPE_STATION
:
6521 if (intbss
== wdev
->current_bss
&&
6522 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6523 NL80211_BSS_STATUS_ASSOCIATED
))
6524 goto nla_put_failure
;
6526 case NL80211_IFTYPE_ADHOC
:
6527 if (intbss
== wdev
->current_bss
&&
6528 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6529 NL80211_BSS_STATUS_IBSS_JOINED
))
6530 goto nla_put_failure
;
6536 nla_nest_end(msg
, bss
);
6538 return genlmsg_end(msg
, hdr
);
6543 genlmsg_cancel(msg
, hdr
);
6547 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6549 struct cfg80211_registered_device
*rdev
;
6550 struct cfg80211_internal_bss
*scan
;
6551 struct wireless_dev
*wdev
;
6552 int start
= cb
->args
[2], idx
= 0;
6555 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6560 spin_lock_bh(&rdev
->bss_lock
);
6561 cfg80211_bss_expire(rdev
);
6563 cb
->seq
= rdev
->bss_generation
;
6565 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6568 if (nl80211_send_bss(skb
, cb
,
6569 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6570 rdev
, wdev
, scan
) < 0) {
6576 spin_unlock_bh(&rdev
->bss_lock
);
6580 nl80211_finish_wdev_dump(rdev
);
6585 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6586 int flags
, struct net_device
*dev
,
6587 struct survey_info
*survey
)
6590 struct nlattr
*infoattr
;
6592 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6593 NL80211_CMD_NEW_SURVEY_RESULTS
);
6597 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6598 goto nla_put_failure
;
6600 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6602 goto nla_put_failure
;
6604 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6605 survey
->channel
->center_freq
))
6606 goto nla_put_failure
;
6608 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6609 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6610 goto nla_put_failure
;
6611 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6612 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6613 goto nla_put_failure
;
6614 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6615 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6616 survey
->channel_time
))
6617 goto nla_put_failure
;
6618 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6619 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6620 survey
->channel_time_busy
))
6621 goto nla_put_failure
;
6622 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6623 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6624 survey
->channel_time_ext_busy
))
6625 goto nla_put_failure
;
6626 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6627 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6628 survey
->channel_time_rx
))
6629 goto nla_put_failure
;
6630 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6631 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6632 survey
->channel_time_tx
))
6633 goto nla_put_failure
;
6635 nla_nest_end(msg
, infoattr
);
6637 return genlmsg_end(msg
, hdr
);
6640 genlmsg_cancel(msg
, hdr
);
6644 static int nl80211_dump_survey(struct sk_buff
*skb
,
6645 struct netlink_callback
*cb
)
6647 struct survey_info survey
;
6648 struct cfg80211_registered_device
*rdev
;
6649 struct wireless_dev
*wdev
;
6650 int survey_idx
= cb
->args
[2];
6653 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6657 if (!wdev
->netdev
) {
6662 if (!rdev
->ops
->dump_survey
) {
6668 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6674 /* Survey without a channel doesn't make sense */
6675 if (!survey
.channel
) {
6680 if (survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
6685 if (nl80211_send_survey(skb
,
6686 NETLINK_CB(cb
->skb
).portid
,
6687 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6688 wdev
->netdev
, &survey
) < 0)
6694 cb
->args
[2] = survey_idx
;
6697 nl80211_finish_wdev_dump(rdev
);
6701 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6703 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6704 NL80211_WPA_VERSION_2
));
6707 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6709 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6710 struct net_device
*dev
= info
->user_ptr
[1];
6711 struct ieee80211_channel
*chan
;
6712 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6713 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6714 enum nl80211_auth_type auth_type
;
6715 struct key_parse key
;
6716 bool local_state_change
;
6718 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6721 if (!info
->attrs
[NL80211_ATTR_MAC
])
6724 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6727 if (!info
->attrs
[NL80211_ATTR_SSID
])
6730 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6733 err
= nl80211_parse_key(info
, &key
);
6738 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6740 if (!key
.p
.key
|| !key
.p
.key_len
)
6742 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6743 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6744 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6745 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6757 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6758 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6767 if (!rdev
->ops
->auth
)
6770 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6771 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6774 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6775 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6776 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6780 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6781 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6783 if (info
->attrs
[NL80211_ATTR_IE
]) {
6784 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6785 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6788 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6789 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6792 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6793 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6796 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6797 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6799 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6800 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6801 /* need to include at least Auth Transaction and Status Code */
6802 if (sae_data_len
< 4)
6806 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6809 * Since we no longer track auth state, ignore
6810 * requests to only change local state.
6812 if (local_state_change
)
6815 wdev_lock(dev
->ieee80211_ptr
);
6816 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6817 ssid
, ssid_len
, ie
, ie_len
,
6818 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6819 sae_data
, sae_data_len
);
6820 wdev_unlock(dev
->ieee80211_ptr
);
6824 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6825 struct genl_info
*info
,
6826 struct cfg80211_crypto_settings
*settings
,
6829 memset(settings
, 0, sizeof(*settings
));
6831 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6833 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6835 proto
= nla_get_u16(
6836 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6837 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6838 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6841 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6842 settings
->control_port_no_encrypt
= true;
6844 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6846 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6850 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6851 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6852 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6854 if (len
% sizeof(u32
))
6857 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6860 memcpy(settings
->ciphers_pairwise
, data
, len
);
6862 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6863 if (!cfg80211_supported_cipher_suite(
6865 settings
->ciphers_pairwise
[i
]))
6869 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6870 settings
->cipher_group
=
6871 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6872 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6873 settings
->cipher_group
))
6877 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6878 settings
->wpa_versions
=
6879 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6880 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6884 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6888 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6889 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6890 settings
->n_akm_suites
= len
/ sizeof(u32
);
6892 if (len
% sizeof(u32
))
6895 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6898 memcpy(settings
->akm_suites
, data
, len
);
6904 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6906 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6907 struct net_device
*dev
= info
->user_ptr
[1];
6908 struct ieee80211_channel
*chan
;
6909 struct cfg80211_assoc_request req
= {};
6910 const u8
*bssid
, *ssid
;
6911 int err
, ssid_len
= 0;
6913 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6916 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6917 !info
->attrs
[NL80211_ATTR_SSID
] ||
6918 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6921 if (!rdev
->ops
->assoc
)
6924 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6925 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6928 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6930 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6931 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6935 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6936 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6938 if (info
->attrs
[NL80211_ATTR_IE
]) {
6939 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6940 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6943 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6944 enum nl80211_mfp mfp
=
6945 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6946 if (mfp
== NL80211_MFP_REQUIRED
)
6948 else if (mfp
!= NL80211_MFP_NO
)
6952 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6953 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6955 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6956 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6958 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6959 memcpy(&req
.ht_capa_mask
,
6960 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6961 sizeof(req
.ht_capa_mask
));
6963 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6964 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6966 memcpy(&req
.ht_capa
,
6967 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6968 sizeof(req
.ht_capa
));
6971 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6972 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6974 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6975 memcpy(&req
.vht_capa_mask
,
6976 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6977 sizeof(req
.vht_capa_mask
));
6979 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6980 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6982 memcpy(&req
.vht_capa
,
6983 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6984 sizeof(req
.vht_capa
));
6987 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
6988 if (!(rdev
->wiphy
.features
&
6989 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
6990 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
6992 req
.flags
|= ASSOC_REQ_USE_RRM
;
6995 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6997 wdev_lock(dev
->ieee80211_ptr
);
6998 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6999 ssid
, ssid_len
, &req
);
7000 wdev_unlock(dev
->ieee80211_ptr
);
7006 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
7008 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7009 struct net_device
*dev
= info
->user_ptr
[1];
7010 const u8
*ie
= NULL
, *bssid
;
7011 int ie_len
= 0, err
;
7013 bool local_state_change
;
7015 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7018 if (!info
->attrs
[NL80211_ATTR_MAC
])
7021 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7024 if (!rdev
->ops
->deauth
)
7027 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7028 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7031 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7033 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7034 if (reason_code
== 0) {
7035 /* Reason Code 0 is reserved */
7039 if (info
->attrs
[NL80211_ATTR_IE
]) {
7040 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7041 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7044 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7046 wdev_lock(dev
->ieee80211_ptr
);
7047 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7048 local_state_change
);
7049 wdev_unlock(dev
->ieee80211_ptr
);
7053 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
7055 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7056 struct net_device
*dev
= info
->user_ptr
[1];
7057 const u8
*ie
= NULL
, *bssid
;
7058 int ie_len
= 0, err
;
7060 bool local_state_change
;
7062 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7065 if (!info
->attrs
[NL80211_ATTR_MAC
])
7068 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7071 if (!rdev
->ops
->disassoc
)
7074 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7075 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7078 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7080 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7081 if (reason_code
== 0) {
7082 /* Reason Code 0 is reserved */
7086 if (info
->attrs
[NL80211_ATTR_IE
]) {
7087 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7088 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7091 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
7093 wdev_lock(dev
->ieee80211_ptr
);
7094 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
7095 local_state_change
);
7096 wdev_unlock(dev
->ieee80211_ptr
);
7101 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7102 int mcast_rate
[IEEE80211_NUM_BANDS
],
7105 struct wiphy
*wiphy
= &rdev
->wiphy
;
7109 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
7110 struct ieee80211_supported_band
*sband
;
7112 sband
= wiphy
->bands
[band
];
7116 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7117 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7118 mcast_rate
[band
] = i
+ 1;
7128 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7130 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7131 struct net_device
*dev
= info
->user_ptr
[1];
7132 struct cfg80211_ibss_params ibss
;
7133 struct wiphy
*wiphy
;
7134 struct cfg80211_cached_keys
*connkeys
= NULL
;
7137 memset(&ibss
, 0, sizeof(ibss
));
7139 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7142 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7143 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7146 ibss
.beacon_interval
= 100;
7148 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7149 ibss
.beacon_interval
=
7150 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7151 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7155 if (!rdev
->ops
->join_ibss
)
7158 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7161 wiphy
= &rdev
->wiphy
;
7163 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7164 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7166 if (!is_valid_ether_addr(ibss
.bssid
))
7169 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7170 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7172 if (info
->attrs
[NL80211_ATTR_IE
]) {
7173 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7174 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7177 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7181 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7182 NL80211_IFTYPE_ADHOC
))
7185 switch (ibss
.chandef
.width
) {
7186 case NL80211_CHAN_WIDTH_5
:
7187 case NL80211_CHAN_WIDTH_10
:
7188 case NL80211_CHAN_WIDTH_20_NOHT
:
7190 case NL80211_CHAN_WIDTH_20
:
7191 case NL80211_CHAN_WIDTH_40
:
7192 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
7198 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7199 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7201 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7203 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7205 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7206 struct ieee80211_supported_band
*sband
=
7207 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7209 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7215 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7216 memcpy(&ibss
.ht_capa_mask
,
7217 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7218 sizeof(ibss
.ht_capa_mask
));
7220 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7221 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7223 memcpy(&ibss
.ht_capa
,
7224 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7225 sizeof(ibss
.ht_capa
));
7228 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7229 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7230 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7233 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7236 connkeys
= nl80211_parse_connkeys(rdev
,
7237 info
->attrs
[NL80211_ATTR_KEYS
],
7239 if (IS_ERR(connkeys
))
7240 return PTR_ERR(connkeys
);
7242 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7250 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7252 ibss
.userspace_handles_dfs
=
7253 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7255 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7261 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7263 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7264 struct net_device
*dev
= info
->user_ptr
[1];
7266 if (!rdev
->ops
->leave_ibss
)
7269 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7272 return cfg80211_leave_ibss(rdev
, dev
, false);
7275 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7277 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7278 struct net_device
*dev
= info
->user_ptr
[1];
7279 int mcast_rate
[IEEE80211_NUM_BANDS
];
7283 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7284 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
7287 if (!rdev
->ops
->set_mcast_rate
)
7290 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7292 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7295 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7296 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7299 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7304 static struct sk_buff
*
7305 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7306 int approxlen
, u32 portid
, u32 seq
,
7307 enum nl80211_commands cmd
,
7308 enum nl80211_attrs attr
,
7309 const struct nl80211_vendor_cmd_info
*info
,
7312 struct sk_buff
*skb
;
7314 struct nlattr
*data
;
7316 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7320 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7326 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7327 goto nla_put_failure
;
7330 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7332 goto nla_put_failure
;
7333 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7335 goto nla_put_failure
;
7338 data
= nla_nest_start(skb
, attr
);
7340 ((void **)skb
->cb
)[0] = rdev
;
7341 ((void **)skb
->cb
)[1] = hdr
;
7342 ((void **)skb
->cb
)[2] = data
;
7351 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7352 enum nl80211_commands cmd
,
7353 enum nl80211_attrs attr
,
7354 int vendor_event_idx
,
7355 int approxlen
, gfp_t gfp
)
7357 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7358 const struct nl80211_vendor_cmd_info
*info
;
7361 case NL80211_CMD_TESTMODE
:
7362 if (WARN_ON(vendor_event_idx
!= -1))
7366 case NL80211_CMD_VENDOR
:
7367 if (WARN_ON(vendor_event_idx
< 0 ||
7368 vendor_event_idx
>= wiphy
->n_vendor_events
))
7370 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7377 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7378 cmd
, attr
, info
, gfp
);
7380 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7382 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7384 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7385 void *hdr
= ((void **)skb
->cb
)[1];
7386 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7387 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7389 /* clear CB data for netlink core to own from now on */
7390 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7392 nla_nest_end(skb
, data
);
7393 genlmsg_end(skb
, hdr
);
7395 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7396 mcgrp
= NL80211_MCGRP_VENDOR
;
7398 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7401 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7403 #ifdef CONFIG_NL80211_TESTMODE
7404 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7406 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7407 struct wireless_dev
*wdev
=
7408 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7411 if (!rdev
->ops
->testmode_cmd
)
7415 err
= PTR_ERR(wdev
);
7419 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7423 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7426 rdev
->cur_cmd_info
= info
;
7427 err
= rdev_testmode_cmd(rdev
, wdev
,
7428 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7429 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7430 rdev
->cur_cmd_info
= NULL
;
7435 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7436 struct netlink_callback
*cb
)
7438 struct cfg80211_registered_device
*rdev
;
7448 * 0 is a valid index, but not valid for args[0],
7449 * so we need to offset by 1.
7451 phy_idx
= cb
->args
[0] - 1;
7453 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7454 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7459 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7460 nl80211_fam
.attrbuf
);
7462 err
= PTR_ERR(rdev
);
7465 phy_idx
= rdev
->wiphy_idx
;
7468 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7470 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7474 data
= nla_data((void *)cb
->args
[1]);
7475 data_len
= nla_len((void *)cb
->args
[1]);
7478 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7484 if (!rdev
->ops
->testmode_dump
) {
7490 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7491 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7492 NL80211_CMD_TESTMODE
);
7493 struct nlattr
*tmdata
;
7498 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7499 genlmsg_cancel(skb
, hdr
);
7503 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7505 genlmsg_cancel(skb
, hdr
);
7508 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7509 nla_nest_end(skb
, tmdata
);
7511 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7512 genlmsg_cancel(skb
, hdr
);
7515 genlmsg_cancel(skb
, hdr
);
7519 genlmsg_end(skb
, hdr
);
7524 cb
->args
[0] = phy_idx
+ 1;
7531 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7533 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7534 struct net_device
*dev
= info
->user_ptr
[1];
7535 struct cfg80211_connect_params connect
;
7536 struct wiphy
*wiphy
;
7537 struct cfg80211_cached_keys
*connkeys
= NULL
;
7540 memset(&connect
, 0, sizeof(connect
));
7542 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7545 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7546 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7549 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7551 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7552 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7553 NL80211_CMD_CONNECT
))
7556 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7558 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7560 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7561 NL80211_MAX_NR_CIPHER_SUITES
);
7565 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7566 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7569 wiphy
= &rdev
->wiphy
;
7571 connect
.bg_scan_period
= -1;
7572 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7573 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7574 connect
.bg_scan_period
=
7575 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7578 if (info
->attrs
[NL80211_ATTR_MAC
])
7579 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7580 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7581 connect
.bssid_hint
=
7582 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7583 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7584 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7586 if (info
->attrs
[NL80211_ATTR_IE
]) {
7587 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7588 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7591 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7592 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7593 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7594 connect
.mfp
!= NL80211_MFP_NO
)
7597 connect
.mfp
= NL80211_MFP_NO
;
7600 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7601 connect
.channel
= nl80211_get_valid_chan(
7602 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7603 if (!connect
.channel
)
7605 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7606 connect
.channel_hint
= nl80211_get_valid_chan(
7607 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7608 if (!connect
.channel_hint
)
7612 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7613 connkeys
= nl80211_parse_connkeys(rdev
,
7614 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7615 if (IS_ERR(connkeys
))
7616 return PTR_ERR(connkeys
);
7619 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7620 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7622 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7623 memcpy(&connect
.ht_capa_mask
,
7624 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7625 sizeof(connect
.ht_capa_mask
));
7627 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7628 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7632 memcpy(&connect
.ht_capa
,
7633 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7634 sizeof(connect
.ht_capa
));
7637 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7638 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7640 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7641 memcpy(&connect
.vht_capa_mask
,
7642 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7643 sizeof(connect
.vht_capa_mask
));
7645 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7646 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7650 memcpy(&connect
.vht_capa
,
7651 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7652 sizeof(connect
.vht_capa
));
7655 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7656 if (!(rdev
->wiphy
.features
&
7657 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7658 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7660 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7663 wdev_lock(dev
->ieee80211_ptr
);
7664 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7665 wdev_unlock(dev
->ieee80211_ptr
);
7671 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7673 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7674 struct net_device
*dev
= info
->user_ptr
[1];
7678 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7679 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7681 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7686 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7687 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7690 wdev_lock(dev
->ieee80211_ptr
);
7691 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7692 wdev_unlock(dev
->ieee80211_ptr
);
7696 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7698 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7703 if (!info
->attrs
[NL80211_ATTR_PID
])
7706 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7708 net
= get_net_ns_by_pid(pid
);
7710 return PTR_ERR(net
);
7714 /* check if anything to do */
7715 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7716 err
= cfg80211_switch_netns(rdev
, net
);
7722 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7724 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7725 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7726 struct cfg80211_pmksa
*pmksa
) = NULL
;
7727 struct net_device
*dev
= info
->user_ptr
[1];
7728 struct cfg80211_pmksa pmksa
;
7730 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7732 if (!info
->attrs
[NL80211_ATTR_MAC
])
7735 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7738 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7739 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7741 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7742 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7745 switch (info
->genlhdr
->cmd
) {
7746 case NL80211_CMD_SET_PMKSA
:
7747 rdev_ops
= rdev
->ops
->set_pmksa
;
7749 case NL80211_CMD_DEL_PMKSA
:
7750 rdev_ops
= rdev
->ops
->del_pmksa
;
7760 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7763 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7765 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7766 struct net_device
*dev
= info
->user_ptr
[1];
7768 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7769 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7772 if (!rdev
->ops
->flush_pmksa
)
7775 return rdev_flush_pmksa(rdev
, dev
);
7778 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7780 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7781 struct net_device
*dev
= info
->user_ptr
[1];
7782 u8 action_code
, dialog_token
;
7783 u32 peer_capability
= 0;
7788 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7789 !rdev
->ops
->tdls_mgmt
)
7792 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7793 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7794 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7795 !info
->attrs
[NL80211_ATTR_IE
] ||
7796 !info
->attrs
[NL80211_ATTR_MAC
])
7799 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7800 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7801 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7802 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7803 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7804 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7806 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7808 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7809 dialog_token
, status_code
, peer_capability
,
7811 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7812 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7815 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7817 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7818 struct net_device
*dev
= info
->user_ptr
[1];
7819 enum nl80211_tdls_operation operation
;
7822 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7823 !rdev
->ops
->tdls_oper
)
7826 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7827 !info
->attrs
[NL80211_ATTR_MAC
])
7830 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7831 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7833 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7836 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7837 struct genl_info
*info
)
7839 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7840 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7841 struct cfg80211_chan_def chandef
;
7842 struct sk_buff
*msg
;
7848 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7849 !info
->attrs
[NL80211_ATTR_DURATION
])
7852 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7854 if (!rdev
->ops
->remain_on_channel
||
7855 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7859 * We should be on that channel for at least a minimum amount of
7860 * time (10ms) but no longer than the driver supports.
7862 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7863 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7866 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7870 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7874 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7875 NL80211_CMD_REMAIN_ON_CHANNEL
);
7881 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7887 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7888 goto nla_put_failure
;
7890 genlmsg_end(msg
, hdr
);
7892 return genlmsg_reply(msg
, info
);
7901 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7902 struct genl_info
*info
)
7904 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7905 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7908 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7911 if (!rdev
->ops
->cancel_remain_on_channel
)
7914 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7916 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7919 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7920 u8
*rates
, u8 rates_len
)
7925 for (i
= 0; i
< rates_len
; i
++) {
7926 int rate
= (rates
[i
] & 0x7f) * 5;
7928 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7929 struct ieee80211_rate
*srate
=
7930 &sband
->bitrates
[ridx
];
7931 if (rate
== srate
->bitrate
) {
7936 if (ridx
== sband
->n_bitrates
)
7937 return 0; /* rate not found */
7943 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7944 u8
*rates
, u8 rates_len
,
7945 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7949 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7951 for (i
= 0; i
< rates_len
; i
++) {
7954 ridx
= rates
[i
] / 8;
7955 rbit
= BIT(rates
[i
] % 8);
7957 /* check validity */
7958 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7961 /* check availability */
7962 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7971 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7975 switch (vht_mcs_map
) {
7976 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7978 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7981 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7984 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7994 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7995 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7999 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
8000 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
8005 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
8006 struct nl80211_txrate_vht
*txrate
,
8007 u16 mcs
[NL80211_VHT_NSS_MAX
])
8009 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8010 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
8013 if (!sband
->vht_cap
.vht_supported
)
8016 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
8018 /* Build vht_mcs_mask from VHT capabilities */
8019 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
8021 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
8022 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
8023 mcs
[i
] = txrate
->mcs
[i
];
8031 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
8032 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
8033 .len
= NL80211_MAX_SUPP_RATES
},
8034 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
8035 .len
= NL80211_MAX_SUPP_HT_RATES
},
8036 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
8037 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
8040 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
8041 struct genl_info
*info
)
8043 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
8044 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8045 struct cfg80211_bitrate_mask mask
;
8047 struct net_device
*dev
= info
->user_ptr
[1];
8048 struct nlattr
*tx_rates
;
8049 struct ieee80211_supported_band
*sband
;
8052 if (!rdev
->ops
->set_bitrate_mask
)
8055 memset(&mask
, 0, sizeof(mask
));
8056 /* Default to all rates enabled */
8057 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
8058 sband
= rdev
->wiphy
.bands
[i
];
8063 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
8064 memcpy(mask
.control
[i
].ht_mcs
,
8065 sband
->ht_cap
.mcs
.rx_mask
,
8066 sizeof(mask
.control
[i
].ht_mcs
));
8068 if (!sband
->vht_cap
.vht_supported
)
8071 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
8072 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
8075 /* if no rates are given set it back to the defaults */
8076 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
8080 * The nested attribute uses enum nl80211_band as the index. This maps
8081 * directly to the enum ieee80211_band values used in cfg80211.
8083 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
8084 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
8085 enum ieee80211_band band
= nla_type(tx_rates
);
8088 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
8090 sband
= rdev
->wiphy
.bands
[band
];
8093 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
8094 nla_len(tx_rates
), nl80211_txattr_policy
);
8097 if (tb
[NL80211_TXRATE_LEGACY
]) {
8098 mask
.control
[band
].legacy
= rateset_to_mask(
8100 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
8101 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8102 if ((mask
.control
[band
].legacy
== 0) &&
8103 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8106 if (tb
[NL80211_TXRATE_HT
]) {
8107 if (!ht_rateset_to_mask(
8109 nla_data(tb
[NL80211_TXRATE_HT
]),
8110 nla_len(tb
[NL80211_TXRATE_HT
]),
8111 mask
.control
[band
].ht_mcs
))
8114 if (tb
[NL80211_TXRATE_VHT
]) {
8115 if (!vht_set_mcs_mask(
8117 nla_data(tb
[NL80211_TXRATE_VHT
]),
8118 mask
.control
[band
].vht_mcs
))
8121 if (tb
[NL80211_TXRATE_GI
]) {
8122 mask
.control
[band
].gi
=
8123 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8124 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8128 if (mask
.control
[band
].legacy
== 0) {
8129 /* don't allow empty legacy rates if HT or VHT
8130 * are not even supported.
8132 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8133 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8136 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8137 if (mask
.control
[band
].ht_mcs
[i
])
8140 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8141 if (mask
.control
[band
].vht_mcs
[i
])
8144 /* legacy and mcs rates may not be both empty */
8150 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8153 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8155 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8156 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8157 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8159 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8162 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8163 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8165 switch (wdev
->iftype
) {
8166 case NL80211_IFTYPE_STATION
:
8167 case NL80211_IFTYPE_ADHOC
:
8168 case NL80211_IFTYPE_P2P_CLIENT
:
8169 case NL80211_IFTYPE_AP
:
8170 case NL80211_IFTYPE_AP_VLAN
:
8171 case NL80211_IFTYPE_MESH_POINT
:
8172 case NL80211_IFTYPE_P2P_GO
:
8173 case NL80211_IFTYPE_P2P_DEVICE
:
8179 /* not much point in registering if we can't reply */
8180 if (!rdev
->ops
->mgmt_tx
)
8183 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8184 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8185 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8188 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8190 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8191 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8192 struct cfg80211_chan_def chandef
;
8196 struct sk_buff
*msg
= NULL
;
8197 struct cfg80211_mgmt_tx_params params
= {
8198 .dont_wait_for_ack
=
8199 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8202 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8205 if (!rdev
->ops
->mgmt_tx
)
8208 switch (wdev
->iftype
) {
8209 case NL80211_IFTYPE_P2P_DEVICE
:
8210 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8212 case NL80211_IFTYPE_STATION
:
8213 case NL80211_IFTYPE_ADHOC
:
8214 case NL80211_IFTYPE_P2P_CLIENT
:
8215 case NL80211_IFTYPE_AP
:
8216 case NL80211_IFTYPE_AP_VLAN
:
8217 case NL80211_IFTYPE_MESH_POINT
:
8218 case NL80211_IFTYPE_P2P_GO
:
8224 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8225 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8227 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8230 * We should wait on the channel for at least a minimum amount
8231 * of time (10ms) but no longer than the driver supports.
8233 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8234 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8239 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8241 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8244 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8246 /* get the channel if any has been specified, otherwise pass NULL to
8247 * the driver. The latter will use the current one
8249 chandef
.chan
= NULL
;
8250 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8251 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8256 if (!chandef
.chan
&& params
.offchan
)
8259 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8260 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8262 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8263 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8266 if (len
% sizeof(u16
))
8269 params
.n_csa_offsets
= len
/ sizeof(u16
);
8270 params
.csa_offsets
=
8271 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8273 /* check that all the offsets fit the frame */
8274 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8275 if (params
.csa_offsets
[i
] >= params
.len
)
8280 if (!params
.dont_wait_for_ack
) {
8281 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8285 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8293 params
.chan
= chandef
.chan
;
8294 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8299 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8300 goto nla_put_failure
;
8302 genlmsg_end(msg
, hdr
);
8303 return genlmsg_reply(msg
, info
);
8315 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8317 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8318 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8321 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8324 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8327 switch (wdev
->iftype
) {
8328 case NL80211_IFTYPE_STATION
:
8329 case NL80211_IFTYPE_ADHOC
:
8330 case NL80211_IFTYPE_P2P_CLIENT
:
8331 case NL80211_IFTYPE_AP
:
8332 case NL80211_IFTYPE_AP_VLAN
:
8333 case NL80211_IFTYPE_P2P_GO
:
8334 case NL80211_IFTYPE_P2P_DEVICE
:
8340 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8342 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8345 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8347 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8348 struct wireless_dev
*wdev
;
8349 struct net_device
*dev
= info
->user_ptr
[1];
8354 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8357 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8359 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8362 wdev
= dev
->ieee80211_ptr
;
8364 if (!rdev
->ops
->set_power_mgmt
)
8367 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8369 if (state
== wdev
->ps
)
8372 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8378 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8380 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8381 enum nl80211_ps_state ps_state
;
8382 struct wireless_dev
*wdev
;
8383 struct net_device
*dev
= info
->user_ptr
[1];
8384 struct sk_buff
*msg
;
8388 wdev
= dev
->ieee80211_ptr
;
8390 if (!rdev
->ops
->set_power_mgmt
)
8393 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8397 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8398 NL80211_CMD_GET_POWER_SAVE
);
8405 ps_state
= NL80211_PS_ENABLED
;
8407 ps_state
= NL80211_PS_DISABLED
;
8409 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8410 goto nla_put_failure
;
8412 genlmsg_end(msg
, hdr
);
8413 return genlmsg_reply(msg
, info
);
8422 static const struct nla_policy
8423 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8424 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8425 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8426 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8427 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8428 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8429 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8432 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8433 u32 rate
, u32 pkts
, u32 intvl
)
8435 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8436 struct net_device
*dev
= info
->user_ptr
[1];
8437 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8439 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8442 if (!rdev
->ops
->set_cqm_txe_config
)
8445 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8446 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8449 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8452 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8453 s32 threshold
, u32 hysteresis
)
8455 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8456 struct net_device
*dev
= info
->user_ptr
[1];
8457 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8462 /* disabling - hysteresis should also be zero then */
8466 if (!rdev
->ops
->set_cqm_rssi_config
)
8469 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8470 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8473 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8476 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8478 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8482 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8486 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8487 nl80211_attr_cqm_policy
);
8491 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8492 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8493 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8494 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8496 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8499 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8500 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8501 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8502 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8503 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8504 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8506 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8512 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8514 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8515 struct net_device
*dev
= info
->user_ptr
[1];
8516 struct ocb_setup setup
= {};
8519 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8523 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8526 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8528 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8529 struct net_device
*dev
= info
->user_ptr
[1];
8531 return cfg80211_leave_ocb(rdev
, dev
);
8534 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8536 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8537 struct net_device
*dev
= info
->user_ptr
[1];
8538 struct mesh_config cfg
;
8539 struct mesh_setup setup
;
8542 /* start with default */
8543 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8544 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8546 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8547 /* and parse parameters if given */
8548 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8553 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8554 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8557 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8558 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8560 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8561 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8562 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8565 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8566 setup
.beacon_interval
=
8567 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8568 if (setup
.beacon_interval
< 10 ||
8569 setup
.beacon_interval
> 10000)
8573 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8575 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8576 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8580 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8581 /* parse additional setup parameters if given */
8582 err
= nl80211_parse_mesh_setup(info
, &setup
);
8588 cfg
.auto_open_plinks
= false;
8590 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8591 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8595 /* cfg80211_join_mesh() will sort it out */
8596 setup
.chandef
.chan
= NULL
;
8599 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8600 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8602 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8603 struct ieee80211_supported_band
*sband
;
8605 if (!setup
.chandef
.chan
)
8608 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8610 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8611 &setup
.basic_rates
);
8616 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8619 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8621 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8622 struct net_device
*dev
= info
->user_ptr
[1];
8624 return cfg80211_leave_mesh(rdev
, dev
);
8628 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8629 struct cfg80211_registered_device
*rdev
)
8631 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8632 struct nlattr
*nl_pats
, *nl_pat
;
8635 if (!wowlan
->n_patterns
)
8638 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8642 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8643 nl_pat
= nla_nest_start(msg
, i
+ 1);
8646 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8647 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8648 wowlan
->patterns
[i
].mask
) ||
8649 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8650 wowlan
->patterns
[i
].pattern
) ||
8651 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8652 wowlan
->patterns
[i
].pkt_offset
))
8654 nla_nest_end(msg
, nl_pat
);
8656 nla_nest_end(msg
, nl_pats
);
8661 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8662 struct cfg80211_wowlan_tcp
*tcp
)
8664 struct nlattr
*nl_tcp
;
8669 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8673 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8674 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8675 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8676 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8677 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8678 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8679 tcp
->payload_len
, tcp
->payload
) ||
8680 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8681 tcp
->data_interval
) ||
8682 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8683 tcp
->wake_len
, tcp
->wake_data
) ||
8684 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8685 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8688 if (tcp
->payload_seq
.len
&&
8689 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8690 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8693 if (tcp
->payload_tok
.len
&&
8694 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8695 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8699 nla_nest_end(msg
, nl_tcp
);
8704 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8706 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8707 struct sk_buff
*msg
;
8709 u32 size
= NLMSG_DEFAULT_SIZE
;
8711 if (!rdev
->wiphy
.wowlan
)
8714 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8715 /* adjust size to have room for all the data */
8716 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8717 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8718 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8719 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8722 msg
= nlmsg_new(size
, GFP_KERNEL
);
8726 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8727 NL80211_CMD_GET_WOWLAN
);
8729 goto nla_put_failure
;
8731 if (rdev
->wiphy
.wowlan_config
) {
8732 struct nlattr
*nl_wowlan
;
8734 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8736 goto nla_put_failure
;
8738 if ((rdev
->wiphy
.wowlan_config
->any
&&
8739 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8740 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8741 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8742 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8743 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8744 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8745 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8746 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8747 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8748 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8749 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8750 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8751 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8752 goto nla_put_failure
;
8754 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8755 goto nla_put_failure
;
8757 if (nl80211_send_wowlan_tcp(msg
,
8758 rdev
->wiphy
.wowlan_config
->tcp
))
8759 goto nla_put_failure
;
8761 nla_nest_end(msg
, nl_wowlan
);
8764 genlmsg_end(msg
, hdr
);
8765 return genlmsg_reply(msg
, info
);
8772 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8773 struct nlattr
*attr
,
8774 struct cfg80211_wowlan
*trig
)
8776 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8777 struct cfg80211_wowlan_tcp
*cfg
;
8778 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8779 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8781 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8784 if (!rdev
->wiphy
.wowlan
->tcp
)
8787 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8788 nla_data(attr
), nla_len(attr
),
8789 nl80211_wowlan_tcp_policy
);
8793 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8794 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8795 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8796 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8797 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8798 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8799 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8800 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8803 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8804 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8807 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8808 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8809 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8812 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8813 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8816 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8817 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8820 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8821 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8823 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8824 tokens_size
= tokln
- sizeof(*tok
);
8826 if (!tok
->len
|| tokens_size
% tok
->len
)
8828 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8830 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8832 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8834 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8836 if (tok
->offset
+ tok
->len
> data_size
)
8840 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8841 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8842 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8844 if (seq
->len
== 0 || seq
->len
> 4)
8846 if (seq
->len
+ seq
->offset
> data_size
)
8850 size
= sizeof(*cfg
);
8852 size
+= wake_size
+ wake_mask_size
;
8853 size
+= tokens_size
;
8855 cfg
= kzalloc(size
, GFP_KERNEL
);
8858 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8859 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8860 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8862 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8863 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8867 /* allocate a socket and port for it and use it */
8868 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8869 IPPROTO_TCP
, &cfg
->sock
, 1);
8874 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8875 sock_release(cfg
->sock
);
8879 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8885 cfg
->src_port
= port
;
8888 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8889 cfg
->payload_len
= data_size
;
8890 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8891 memcpy((void *)cfg
->payload
,
8892 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8895 cfg
->payload_seq
= *seq
;
8896 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8897 cfg
->wake_len
= wake_size
;
8898 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8899 memcpy((void *)cfg
->wake_data
,
8900 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8902 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8903 data_size
+ wake_size
;
8904 memcpy((void *)cfg
->wake_mask
,
8905 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8908 cfg
->tokens_size
= tokens_size
;
8909 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8917 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
8918 const struct wiphy_wowlan_support
*wowlan
,
8919 struct nlattr
*attr
,
8920 struct cfg80211_wowlan
*trig
)
8925 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
8929 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
8934 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
8935 nla_data(attr
), nla_len(attr
),
8940 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
8941 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
8943 trig
->nd_config
= NULL
;
8950 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8952 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8953 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8954 struct cfg80211_wowlan new_triggers
= {};
8955 struct cfg80211_wowlan
*ntrig
;
8956 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8958 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8963 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8964 cfg80211_rdev_free_wowlan(rdev
);
8965 rdev
->wiphy
.wowlan_config
= NULL
;
8969 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8970 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8971 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8972 nl80211_wowlan_policy
);
8976 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8977 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8979 new_triggers
.any
= true;
8982 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8983 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8985 new_triggers
.disconnect
= true;
8988 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8989 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8991 new_triggers
.magic_pkt
= true;
8994 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8997 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8998 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
9000 new_triggers
.gtk_rekey_failure
= true;
9003 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
9004 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
9006 new_triggers
.eap_identity_req
= true;
9009 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
9010 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
9012 new_triggers
.four_way_handshake
= true;
9015 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
9016 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
9018 new_triggers
.rfkill_release
= true;
9021 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
9024 int rem
, pat_len
, mask_len
, pkt_offset
;
9025 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9027 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9030 if (n_patterns
> wowlan
->n_patterns
)
9033 new_triggers
.patterns
= kcalloc(n_patterns
,
9034 sizeof(new_triggers
.patterns
[0]),
9036 if (!new_triggers
.patterns
)
9039 new_triggers
.n_patterns
= n_patterns
;
9042 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
9046 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9047 nla_len(pat
), NULL
);
9049 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9050 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9052 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9053 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9054 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9056 if (pat_len
> wowlan
->pattern_max_len
||
9057 pat_len
< wowlan
->pattern_min_len
)
9060 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9063 pkt_offset
= nla_get_u32(
9064 pat_tb
[NL80211_PKTPAT_OFFSET
]);
9065 if (pkt_offset
> wowlan
->max_pkt_offset
)
9067 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
9069 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9074 new_triggers
.patterns
[i
].mask
= mask_pat
;
9075 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9077 mask_pat
+= mask_len
;
9078 new_triggers
.patterns
[i
].pattern
= mask_pat
;
9079 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
9081 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9087 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
9088 err
= nl80211_parse_wowlan_tcp(
9089 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
9095 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
9096 err
= nl80211_parse_wowlan_nd(
9097 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9103 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9108 cfg80211_rdev_free_wowlan(rdev
);
9109 rdev
->wiphy
.wowlan_config
= ntrig
;
9112 if (rdev
->ops
->set_wakeup
&&
9113 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9114 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9118 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9119 kfree(new_triggers
.patterns
[i
].mask
);
9120 kfree(new_triggers
.patterns
);
9121 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9122 sock_release(new_triggers
.tcp
->sock
);
9123 kfree(new_triggers
.tcp
);
9128 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9129 struct cfg80211_registered_device
*rdev
)
9131 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9133 struct cfg80211_coalesce_rules
*rule
;
9135 if (!rdev
->coalesce
->n_rules
)
9138 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9142 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9143 nl_rule
= nla_nest_start(msg
, i
+ 1);
9147 rule
= &rdev
->coalesce
->rules
[i
];
9148 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9152 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9156 nl_pats
= nla_nest_start(msg
,
9157 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9161 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9162 nl_pat
= nla_nest_start(msg
, j
+ 1);
9165 pat_len
= rule
->patterns
[j
].pattern_len
;
9166 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9167 DIV_ROUND_UP(pat_len
, 8),
9168 rule
->patterns
[j
].mask
) ||
9169 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9170 rule
->patterns
[j
].pattern
) ||
9171 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9172 rule
->patterns
[j
].pkt_offset
))
9174 nla_nest_end(msg
, nl_pat
);
9176 nla_nest_end(msg
, nl_pats
);
9177 nla_nest_end(msg
, nl_rule
);
9179 nla_nest_end(msg
, nl_rules
);
9184 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9186 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9187 struct sk_buff
*msg
;
9190 if (!rdev
->wiphy
.coalesce
)
9193 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9197 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9198 NL80211_CMD_GET_COALESCE
);
9200 goto nla_put_failure
;
9202 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9203 goto nla_put_failure
;
9205 genlmsg_end(msg
, hdr
);
9206 return genlmsg_reply(msg
, info
);
9213 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9215 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9217 struct cfg80211_coalesce_rules
*rule
;
9222 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9223 rule
= &coalesce
->rules
[i
];
9224 for (j
= 0; j
< rule
->n_patterns
; j
++)
9225 kfree(rule
->patterns
[j
].mask
);
9226 kfree(rule
->patterns
);
9228 kfree(coalesce
->rules
);
9230 rdev
->coalesce
= NULL
;
9233 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9234 struct nlattr
*rule
,
9235 struct cfg80211_coalesce_rules
*new_rule
)
9238 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9239 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9240 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9241 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9243 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9244 nla_len(rule
), nl80211_coalesce_policy
);
9248 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9250 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9251 if (new_rule
->delay
> coalesce
->max_delay
)
9254 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9255 new_rule
->condition
=
9256 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9257 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9258 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9261 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9264 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9267 if (n_patterns
> coalesce
->n_patterns
)
9270 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9272 if (!new_rule
->patterns
)
9275 new_rule
->n_patterns
= n_patterns
;
9278 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9282 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9283 nla_len(pat
), NULL
);
9284 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9285 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9287 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9288 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9289 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9291 if (pat_len
> coalesce
->pattern_max_len
||
9292 pat_len
< coalesce
->pattern_min_len
)
9295 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9298 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9299 if (pkt_offset
> coalesce
->max_pkt_offset
)
9301 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9303 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9307 new_rule
->patterns
[i
].mask
= mask_pat
;
9308 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9311 mask_pat
+= mask_len
;
9312 new_rule
->patterns
[i
].pattern
= mask_pat
;
9313 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9314 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9322 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9324 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9325 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9326 struct cfg80211_coalesce new_coalesce
= {};
9327 struct cfg80211_coalesce
*n_coalesce
;
9328 int err
, rem_rule
, n_rules
= 0, i
, j
;
9329 struct nlattr
*rule
;
9330 struct cfg80211_coalesce_rules
*tmp_rule
;
9332 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9335 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9336 cfg80211_rdev_free_coalesce(rdev
);
9337 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9341 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9344 if (n_rules
> coalesce
->n_rules
)
9347 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9349 if (!new_coalesce
.rules
)
9352 new_coalesce
.n_rules
= n_rules
;
9355 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9357 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9358 &new_coalesce
.rules
[i
]);
9365 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9369 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9374 cfg80211_rdev_free_coalesce(rdev
);
9375 rdev
->coalesce
= n_coalesce
;
9379 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9380 tmp_rule
= &new_coalesce
.rules
[i
];
9381 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9382 kfree(tmp_rule
->patterns
[j
].mask
);
9383 kfree(tmp_rule
->patterns
);
9385 kfree(new_coalesce
.rules
);
9390 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9392 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9393 struct net_device
*dev
= info
->user_ptr
[1];
9394 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9395 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9396 struct cfg80211_gtk_rekey_data rekey_data
;
9399 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9402 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9403 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9404 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9405 nl80211_rekey_policy
);
9409 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9411 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9413 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9416 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9417 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9418 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9421 if (!wdev
->current_bss
) {
9426 if (!rdev
->ops
->set_rekey_data
) {
9431 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9437 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9438 struct genl_info
*info
)
9440 struct net_device
*dev
= info
->user_ptr
[1];
9441 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9443 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9444 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9447 if (wdev
->ap_unexpected_nlportid
)
9450 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9454 static int nl80211_probe_client(struct sk_buff
*skb
,
9455 struct genl_info
*info
)
9457 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9458 struct net_device
*dev
= info
->user_ptr
[1];
9459 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9460 struct sk_buff
*msg
;
9466 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9467 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9470 if (!info
->attrs
[NL80211_ATTR_MAC
])
9473 if (!rdev
->ops
->probe_client
)
9476 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9480 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9481 NL80211_CMD_PROBE_CLIENT
);
9487 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9489 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9493 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9494 goto nla_put_failure
;
9496 genlmsg_end(msg
, hdr
);
9498 return genlmsg_reply(msg
, info
);
9507 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9509 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9510 struct cfg80211_beacon_registration
*reg
, *nreg
;
9513 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9516 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9520 /* First, check if already registered. */
9521 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9522 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9523 if (reg
->nlportid
== info
->snd_portid
) {
9528 /* Add it to the list */
9529 nreg
->nlportid
= info
->snd_portid
;
9530 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9532 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9536 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9541 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9543 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9544 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9547 if (!rdev
->ops
->start_p2p_device
)
9550 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9553 if (wdev
->p2p_started
)
9556 if (rfkill_blocked(rdev
->rfkill
))
9559 err
= rdev_start_p2p_device(rdev
, wdev
);
9563 wdev
->p2p_started
= true;
9569 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9571 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9572 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9574 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9577 if (!rdev
->ops
->stop_p2p_device
)
9580 cfg80211_stop_p2p_device(rdev
, wdev
);
9585 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9586 struct genl_info
*info
)
9589 struct sk_buff
*msg
;
9591 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9595 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9596 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9598 goto nla_put_failure
;
9600 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9601 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9602 goto nla_put_failure
;
9604 genlmsg_end(msg
, hdr
);
9605 return genlmsg_reply(msg
, info
);
9612 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9614 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9615 struct cfg80211_update_ft_ies_params ft_params
;
9616 struct net_device
*dev
= info
->user_ptr
[1];
9618 if (!rdev
->ops
->update_ft_ies
)
9621 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9622 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9625 memset(&ft_params
, 0, sizeof(ft_params
));
9626 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9627 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9628 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9630 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9633 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9634 struct genl_info
*info
)
9636 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9637 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9638 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9642 if (!rdev
->ops
->crit_proto_start
)
9645 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9648 if (rdev
->crit_proto_nlportid
)
9651 /* determine protocol if provided */
9652 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9653 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9655 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9658 /* timeout must be provided */
9659 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9663 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9665 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9668 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9670 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9675 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9676 struct genl_info
*info
)
9678 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9679 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9681 if (!rdev
->ops
->crit_proto_stop
)
9684 if (rdev
->crit_proto_nlportid
) {
9685 rdev
->crit_proto_nlportid
= 0;
9686 rdev_crit_proto_stop(rdev
, wdev
);
9691 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9693 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9694 struct wireless_dev
*wdev
=
9695 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9699 if (!rdev
->wiphy
.vendor_commands
)
9703 err
= PTR_ERR(wdev
);
9707 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9711 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9712 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9715 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9716 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9717 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9718 const struct wiphy_vendor_command
*vcmd
;
9722 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9724 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9727 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9728 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9731 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9735 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9737 !netif_running(wdev
->netdev
))
9739 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9746 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9747 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9748 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9751 rdev
->cur_cmd_info
= info
;
9752 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9754 rdev
->cur_cmd_info
= NULL
;
9761 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9762 enum nl80211_commands cmd
,
9763 enum nl80211_attrs attr
,
9766 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9768 if (WARN_ON(!rdev
->cur_cmd_info
))
9771 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9772 rdev
->cur_cmd_info
->snd_portid
,
9773 rdev
->cur_cmd_info
->snd_seq
,
9774 cmd
, attr
, NULL
, GFP_KERNEL
);
9776 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9778 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9780 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9781 void *hdr
= ((void **)skb
->cb
)[1];
9782 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9784 /* clear CB data for netlink core to own from now on */
9785 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9787 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9792 nla_nest_end(skb
, data
);
9793 genlmsg_end(skb
, hdr
);
9794 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9796 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9799 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9800 struct genl_info
*info
)
9802 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9803 struct cfg80211_qos_map
*qos_map
= NULL
;
9804 struct net_device
*dev
= info
->user_ptr
[1];
9805 u8
*pos
, len
, num_des
, des_len
, des
;
9808 if (!rdev
->ops
->set_qos_map
)
9811 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9812 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9813 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9815 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9816 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9819 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9823 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9826 sizeof(struct cfg80211_dscp_exception
);
9827 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9828 qos_map
->num_des
= num_des
;
9829 for (des
= 0; des
< num_des
; des
++) {
9830 if (qos_map
->dscp_exception
[des
].up
> 7) {
9837 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9840 wdev_lock(dev
->ieee80211_ptr
);
9841 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9843 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9844 wdev_unlock(dev
->ieee80211_ptr
);
9850 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9852 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9853 struct net_device
*dev
= info
->user_ptr
[1];
9854 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9857 u16 admitted_time
= 0;
9860 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
9863 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
9864 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
9867 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9868 if (tsid
>= IEEE80211_NUM_TIDS
)
9871 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
9872 if (up
>= IEEE80211_NUM_UPS
)
9875 /* WMM uses TIDs 0-7 even for TSPEC */
9876 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
9877 /* TODO: handle 802.11 TSPEC/admission control
9878 * need more attributes for that (e.g. BA session requirement);
9879 * change the WMM adminssion test above to allow both then
9884 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9886 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
9888 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
9894 switch (wdev
->iftype
) {
9895 case NL80211_IFTYPE_STATION
:
9896 case NL80211_IFTYPE_P2P_CLIENT
:
9897 if (wdev
->current_bss
)
9906 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
9913 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9915 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9916 struct net_device
*dev
= info
->user_ptr
[1];
9917 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9922 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
9925 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9926 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9929 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
9935 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
9936 struct genl_info
*info
)
9938 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9939 struct net_device
*dev
= info
->user_ptr
[1];
9940 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9941 struct cfg80211_chan_def chandef
= {};
9946 if (!rdev
->ops
->tdls_channel_switch
||
9947 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9950 switch (dev
->ieee80211_ptr
->iftype
) {
9951 case NL80211_IFTYPE_STATION
:
9952 case NL80211_IFTYPE_P2P_CLIENT
:
9958 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
9959 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
9962 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9967 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
9968 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
9969 * specification is not defined for them.
9971 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
9972 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
9973 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
9976 /* we will be active on the TDLS link */
9977 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, wdev
->iftype
))
9980 /* don't allow switching to DFS channels */
9981 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
9984 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9985 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
9988 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
9994 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
9995 struct genl_info
*info
)
9997 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9998 struct net_device
*dev
= info
->user_ptr
[1];
9999 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10002 if (!rdev
->ops
->tdls_channel_switch
||
10003 !rdev
->ops
->tdls_cancel_channel_switch
||
10004 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
10005 return -EOPNOTSUPP
;
10007 switch (dev
->ieee80211_ptr
->iftype
) {
10008 case NL80211_IFTYPE_STATION
:
10009 case NL80211_IFTYPE_P2P_CLIENT
:
10012 return -EOPNOTSUPP
;
10015 if (!info
->attrs
[NL80211_ATTR_MAC
])
10018 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
10021 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
10027 #define NL80211_FLAG_NEED_WIPHY 0x01
10028 #define NL80211_FLAG_NEED_NETDEV 0x02
10029 #define NL80211_FLAG_NEED_RTNL 0x04
10030 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
10031 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
10032 NL80211_FLAG_CHECK_NETDEV_UP)
10033 #define NL80211_FLAG_NEED_WDEV 0x10
10034 /* If a netdev is associated, it must be UP, P2P must be started */
10035 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
10036 NL80211_FLAG_CHECK_NETDEV_UP)
10037 #define NL80211_FLAG_CLEAR_SKB 0x20
10039 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10040 struct genl_info
*info
)
10042 struct cfg80211_registered_device
*rdev
;
10043 struct wireless_dev
*wdev
;
10044 struct net_device
*dev
;
10045 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
10050 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
10051 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
10052 if (IS_ERR(rdev
)) {
10055 return PTR_ERR(rdev
);
10057 info
->user_ptr
[0] = rdev
;
10058 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
10059 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10062 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
10064 if (IS_ERR(wdev
)) {
10067 return PTR_ERR(wdev
);
10070 dev
= wdev
->netdev
;
10071 rdev
= wiphy_to_rdev(wdev
->wiphy
);
10073 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
10080 info
->user_ptr
[1] = dev
;
10082 info
->user_ptr
[1] = wdev
;
10086 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
10087 !netif_running(dev
)) {
10094 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
10095 if (!wdev
->p2p_started
) {
10102 info
->user_ptr
[0] = rdev
;
10108 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10109 struct genl_info
*info
)
10111 if (info
->user_ptr
[1]) {
10112 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10113 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10116 dev_put(wdev
->netdev
);
10118 dev_put(info
->user_ptr
[1]);
10122 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10125 /* If needed, clear the netlink message payload from the SKB
10126 * as it might contain key data that shouldn't stick around on
10127 * the heap after the SKB is freed. The netlink message header
10128 * is still needed for further processing, so leave it intact.
10130 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10131 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10133 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10137 static const struct genl_ops nl80211_ops
[] = {
10139 .cmd
= NL80211_CMD_GET_WIPHY
,
10140 .doit
= nl80211_get_wiphy
,
10141 .dumpit
= nl80211_dump_wiphy
,
10142 .done
= nl80211_dump_wiphy_done
,
10143 .policy
= nl80211_policy
,
10144 /* can be retrieved by unprivileged users */
10145 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10146 NL80211_FLAG_NEED_RTNL
,
10149 .cmd
= NL80211_CMD_SET_WIPHY
,
10150 .doit
= nl80211_set_wiphy
,
10151 .policy
= nl80211_policy
,
10152 .flags
= GENL_ADMIN_PERM
,
10153 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10156 .cmd
= NL80211_CMD_GET_INTERFACE
,
10157 .doit
= nl80211_get_interface
,
10158 .dumpit
= nl80211_dump_interface
,
10159 .policy
= nl80211_policy
,
10160 /* can be retrieved by unprivileged users */
10161 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10162 NL80211_FLAG_NEED_RTNL
,
10165 .cmd
= NL80211_CMD_SET_INTERFACE
,
10166 .doit
= nl80211_set_interface
,
10167 .policy
= nl80211_policy
,
10168 .flags
= GENL_ADMIN_PERM
,
10169 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10170 NL80211_FLAG_NEED_RTNL
,
10173 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10174 .doit
= nl80211_new_interface
,
10175 .policy
= nl80211_policy
,
10176 .flags
= GENL_ADMIN_PERM
,
10177 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10178 NL80211_FLAG_NEED_RTNL
,
10181 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10182 .doit
= nl80211_del_interface
,
10183 .policy
= nl80211_policy
,
10184 .flags
= GENL_ADMIN_PERM
,
10185 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10186 NL80211_FLAG_NEED_RTNL
,
10189 .cmd
= NL80211_CMD_GET_KEY
,
10190 .doit
= nl80211_get_key
,
10191 .policy
= nl80211_policy
,
10192 .flags
= GENL_ADMIN_PERM
,
10193 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10194 NL80211_FLAG_NEED_RTNL
,
10197 .cmd
= NL80211_CMD_SET_KEY
,
10198 .doit
= nl80211_set_key
,
10199 .policy
= nl80211_policy
,
10200 .flags
= GENL_ADMIN_PERM
,
10201 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10202 NL80211_FLAG_NEED_RTNL
|
10203 NL80211_FLAG_CLEAR_SKB
,
10206 .cmd
= NL80211_CMD_NEW_KEY
,
10207 .doit
= nl80211_new_key
,
10208 .policy
= nl80211_policy
,
10209 .flags
= GENL_ADMIN_PERM
,
10210 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10211 NL80211_FLAG_NEED_RTNL
|
10212 NL80211_FLAG_CLEAR_SKB
,
10215 .cmd
= NL80211_CMD_DEL_KEY
,
10216 .doit
= nl80211_del_key
,
10217 .policy
= nl80211_policy
,
10218 .flags
= GENL_ADMIN_PERM
,
10219 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10220 NL80211_FLAG_NEED_RTNL
,
10223 .cmd
= NL80211_CMD_SET_BEACON
,
10224 .policy
= nl80211_policy
,
10225 .flags
= GENL_ADMIN_PERM
,
10226 .doit
= nl80211_set_beacon
,
10227 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10228 NL80211_FLAG_NEED_RTNL
,
10231 .cmd
= NL80211_CMD_START_AP
,
10232 .policy
= nl80211_policy
,
10233 .flags
= GENL_ADMIN_PERM
,
10234 .doit
= nl80211_start_ap
,
10235 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10236 NL80211_FLAG_NEED_RTNL
,
10239 .cmd
= NL80211_CMD_STOP_AP
,
10240 .policy
= nl80211_policy
,
10241 .flags
= GENL_ADMIN_PERM
,
10242 .doit
= nl80211_stop_ap
,
10243 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10244 NL80211_FLAG_NEED_RTNL
,
10247 .cmd
= NL80211_CMD_GET_STATION
,
10248 .doit
= nl80211_get_station
,
10249 .dumpit
= nl80211_dump_station
,
10250 .policy
= nl80211_policy
,
10251 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10252 NL80211_FLAG_NEED_RTNL
,
10255 .cmd
= NL80211_CMD_SET_STATION
,
10256 .doit
= nl80211_set_station
,
10257 .policy
= nl80211_policy
,
10258 .flags
= GENL_ADMIN_PERM
,
10259 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10260 NL80211_FLAG_NEED_RTNL
,
10263 .cmd
= NL80211_CMD_NEW_STATION
,
10264 .doit
= nl80211_new_station
,
10265 .policy
= nl80211_policy
,
10266 .flags
= GENL_ADMIN_PERM
,
10267 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10268 NL80211_FLAG_NEED_RTNL
,
10271 .cmd
= NL80211_CMD_DEL_STATION
,
10272 .doit
= nl80211_del_station
,
10273 .policy
= nl80211_policy
,
10274 .flags
= GENL_ADMIN_PERM
,
10275 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10276 NL80211_FLAG_NEED_RTNL
,
10279 .cmd
= NL80211_CMD_GET_MPATH
,
10280 .doit
= nl80211_get_mpath
,
10281 .dumpit
= nl80211_dump_mpath
,
10282 .policy
= nl80211_policy
,
10283 .flags
= GENL_ADMIN_PERM
,
10284 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10285 NL80211_FLAG_NEED_RTNL
,
10288 .cmd
= NL80211_CMD_GET_MPP
,
10289 .doit
= nl80211_get_mpp
,
10290 .dumpit
= nl80211_dump_mpp
,
10291 .policy
= nl80211_policy
,
10292 .flags
= GENL_ADMIN_PERM
,
10293 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10294 NL80211_FLAG_NEED_RTNL
,
10297 .cmd
= NL80211_CMD_SET_MPATH
,
10298 .doit
= nl80211_set_mpath
,
10299 .policy
= nl80211_policy
,
10300 .flags
= GENL_ADMIN_PERM
,
10301 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10302 NL80211_FLAG_NEED_RTNL
,
10305 .cmd
= NL80211_CMD_NEW_MPATH
,
10306 .doit
= nl80211_new_mpath
,
10307 .policy
= nl80211_policy
,
10308 .flags
= GENL_ADMIN_PERM
,
10309 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10310 NL80211_FLAG_NEED_RTNL
,
10313 .cmd
= NL80211_CMD_DEL_MPATH
,
10314 .doit
= nl80211_del_mpath
,
10315 .policy
= nl80211_policy
,
10316 .flags
= GENL_ADMIN_PERM
,
10317 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10318 NL80211_FLAG_NEED_RTNL
,
10321 .cmd
= NL80211_CMD_SET_BSS
,
10322 .doit
= nl80211_set_bss
,
10323 .policy
= nl80211_policy
,
10324 .flags
= GENL_ADMIN_PERM
,
10325 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10326 NL80211_FLAG_NEED_RTNL
,
10329 .cmd
= NL80211_CMD_GET_REG
,
10330 .doit
= nl80211_get_reg_do
,
10331 .dumpit
= nl80211_get_reg_dump
,
10332 .policy
= nl80211_policy
,
10333 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10334 /* can be retrieved by unprivileged users */
10337 .cmd
= NL80211_CMD_SET_REG
,
10338 .doit
= nl80211_set_reg
,
10339 .policy
= nl80211_policy
,
10340 .flags
= GENL_ADMIN_PERM
,
10341 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10344 .cmd
= NL80211_CMD_REQ_SET_REG
,
10345 .doit
= nl80211_req_set_reg
,
10346 .policy
= nl80211_policy
,
10347 .flags
= GENL_ADMIN_PERM
,
10350 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10351 .doit
= nl80211_get_mesh_config
,
10352 .policy
= nl80211_policy
,
10353 /* can be retrieved by unprivileged users */
10354 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10355 NL80211_FLAG_NEED_RTNL
,
10358 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10359 .doit
= nl80211_update_mesh_config
,
10360 .policy
= nl80211_policy
,
10361 .flags
= GENL_ADMIN_PERM
,
10362 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10363 NL80211_FLAG_NEED_RTNL
,
10366 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
10367 .doit
= nl80211_trigger_scan
,
10368 .policy
= nl80211_policy
,
10369 .flags
= GENL_ADMIN_PERM
,
10370 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10371 NL80211_FLAG_NEED_RTNL
,
10374 .cmd
= NL80211_CMD_GET_SCAN
,
10375 .policy
= nl80211_policy
,
10376 .dumpit
= nl80211_dump_scan
,
10379 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10380 .doit
= nl80211_start_sched_scan
,
10381 .policy
= nl80211_policy
,
10382 .flags
= GENL_ADMIN_PERM
,
10383 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10384 NL80211_FLAG_NEED_RTNL
,
10387 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
10388 .doit
= nl80211_stop_sched_scan
,
10389 .policy
= nl80211_policy
,
10390 .flags
= GENL_ADMIN_PERM
,
10391 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10392 NL80211_FLAG_NEED_RTNL
,
10395 .cmd
= NL80211_CMD_AUTHENTICATE
,
10396 .doit
= nl80211_authenticate
,
10397 .policy
= nl80211_policy
,
10398 .flags
= GENL_ADMIN_PERM
,
10399 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10400 NL80211_FLAG_NEED_RTNL
|
10401 NL80211_FLAG_CLEAR_SKB
,
10404 .cmd
= NL80211_CMD_ASSOCIATE
,
10405 .doit
= nl80211_associate
,
10406 .policy
= nl80211_policy
,
10407 .flags
= GENL_ADMIN_PERM
,
10408 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10409 NL80211_FLAG_NEED_RTNL
,
10412 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10413 .doit
= nl80211_deauthenticate
,
10414 .policy
= nl80211_policy
,
10415 .flags
= GENL_ADMIN_PERM
,
10416 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10417 NL80211_FLAG_NEED_RTNL
,
10420 .cmd
= NL80211_CMD_DISASSOCIATE
,
10421 .doit
= nl80211_disassociate
,
10422 .policy
= nl80211_policy
,
10423 .flags
= GENL_ADMIN_PERM
,
10424 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10425 NL80211_FLAG_NEED_RTNL
,
10428 .cmd
= NL80211_CMD_JOIN_IBSS
,
10429 .doit
= nl80211_join_ibss
,
10430 .policy
= nl80211_policy
,
10431 .flags
= GENL_ADMIN_PERM
,
10432 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10433 NL80211_FLAG_NEED_RTNL
,
10436 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10437 .doit
= nl80211_leave_ibss
,
10438 .policy
= nl80211_policy
,
10439 .flags
= GENL_ADMIN_PERM
,
10440 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10441 NL80211_FLAG_NEED_RTNL
,
10443 #ifdef CONFIG_NL80211_TESTMODE
10445 .cmd
= NL80211_CMD_TESTMODE
,
10446 .doit
= nl80211_testmode_do
,
10447 .dumpit
= nl80211_testmode_dump
,
10448 .policy
= nl80211_policy
,
10449 .flags
= GENL_ADMIN_PERM
,
10450 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10451 NL80211_FLAG_NEED_RTNL
,
10455 .cmd
= NL80211_CMD_CONNECT
,
10456 .doit
= nl80211_connect
,
10457 .policy
= nl80211_policy
,
10458 .flags
= GENL_ADMIN_PERM
,
10459 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10460 NL80211_FLAG_NEED_RTNL
,
10463 .cmd
= NL80211_CMD_DISCONNECT
,
10464 .doit
= nl80211_disconnect
,
10465 .policy
= nl80211_policy
,
10466 .flags
= GENL_ADMIN_PERM
,
10467 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10468 NL80211_FLAG_NEED_RTNL
,
10471 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10472 .doit
= nl80211_wiphy_netns
,
10473 .policy
= nl80211_policy
,
10474 .flags
= GENL_ADMIN_PERM
,
10475 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10476 NL80211_FLAG_NEED_RTNL
,
10479 .cmd
= NL80211_CMD_GET_SURVEY
,
10480 .policy
= nl80211_policy
,
10481 .dumpit
= nl80211_dump_survey
,
10484 .cmd
= NL80211_CMD_SET_PMKSA
,
10485 .doit
= nl80211_setdel_pmksa
,
10486 .policy
= nl80211_policy
,
10487 .flags
= GENL_ADMIN_PERM
,
10488 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10489 NL80211_FLAG_NEED_RTNL
,
10492 .cmd
= NL80211_CMD_DEL_PMKSA
,
10493 .doit
= nl80211_setdel_pmksa
,
10494 .policy
= nl80211_policy
,
10495 .flags
= GENL_ADMIN_PERM
,
10496 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10497 NL80211_FLAG_NEED_RTNL
,
10500 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10501 .doit
= nl80211_flush_pmksa
,
10502 .policy
= nl80211_policy
,
10503 .flags
= GENL_ADMIN_PERM
,
10504 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10505 NL80211_FLAG_NEED_RTNL
,
10508 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10509 .doit
= nl80211_remain_on_channel
,
10510 .policy
= nl80211_policy
,
10511 .flags
= GENL_ADMIN_PERM
,
10512 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10513 NL80211_FLAG_NEED_RTNL
,
10516 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10517 .doit
= nl80211_cancel_remain_on_channel
,
10518 .policy
= nl80211_policy
,
10519 .flags
= GENL_ADMIN_PERM
,
10520 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10521 NL80211_FLAG_NEED_RTNL
,
10524 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10525 .doit
= nl80211_set_tx_bitrate_mask
,
10526 .policy
= nl80211_policy
,
10527 .flags
= GENL_ADMIN_PERM
,
10528 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10529 NL80211_FLAG_NEED_RTNL
,
10532 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10533 .doit
= nl80211_register_mgmt
,
10534 .policy
= nl80211_policy
,
10535 .flags
= GENL_ADMIN_PERM
,
10536 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10537 NL80211_FLAG_NEED_RTNL
,
10540 .cmd
= NL80211_CMD_FRAME
,
10541 .doit
= nl80211_tx_mgmt
,
10542 .policy
= nl80211_policy
,
10543 .flags
= GENL_ADMIN_PERM
,
10544 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10545 NL80211_FLAG_NEED_RTNL
,
10548 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10549 .doit
= nl80211_tx_mgmt_cancel_wait
,
10550 .policy
= nl80211_policy
,
10551 .flags
= GENL_ADMIN_PERM
,
10552 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10553 NL80211_FLAG_NEED_RTNL
,
10556 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10557 .doit
= nl80211_set_power_save
,
10558 .policy
= nl80211_policy
,
10559 .flags
= GENL_ADMIN_PERM
,
10560 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10561 NL80211_FLAG_NEED_RTNL
,
10564 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10565 .doit
= nl80211_get_power_save
,
10566 .policy
= nl80211_policy
,
10567 /* can be retrieved by unprivileged users */
10568 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10569 NL80211_FLAG_NEED_RTNL
,
10572 .cmd
= NL80211_CMD_SET_CQM
,
10573 .doit
= nl80211_set_cqm
,
10574 .policy
= nl80211_policy
,
10575 .flags
= GENL_ADMIN_PERM
,
10576 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10577 NL80211_FLAG_NEED_RTNL
,
10580 .cmd
= NL80211_CMD_SET_CHANNEL
,
10581 .doit
= nl80211_set_channel
,
10582 .policy
= nl80211_policy
,
10583 .flags
= GENL_ADMIN_PERM
,
10584 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10585 NL80211_FLAG_NEED_RTNL
,
10588 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10589 .doit
= nl80211_set_wds_peer
,
10590 .policy
= nl80211_policy
,
10591 .flags
= GENL_ADMIN_PERM
,
10592 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10593 NL80211_FLAG_NEED_RTNL
,
10596 .cmd
= NL80211_CMD_JOIN_MESH
,
10597 .doit
= nl80211_join_mesh
,
10598 .policy
= nl80211_policy
,
10599 .flags
= GENL_ADMIN_PERM
,
10600 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10601 NL80211_FLAG_NEED_RTNL
,
10604 .cmd
= NL80211_CMD_LEAVE_MESH
,
10605 .doit
= nl80211_leave_mesh
,
10606 .policy
= nl80211_policy
,
10607 .flags
= GENL_ADMIN_PERM
,
10608 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10609 NL80211_FLAG_NEED_RTNL
,
10612 .cmd
= NL80211_CMD_JOIN_OCB
,
10613 .doit
= nl80211_join_ocb
,
10614 .policy
= nl80211_policy
,
10615 .flags
= GENL_ADMIN_PERM
,
10616 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10617 NL80211_FLAG_NEED_RTNL
,
10620 .cmd
= NL80211_CMD_LEAVE_OCB
,
10621 .doit
= nl80211_leave_ocb
,
10622 .policy
= nl80211_policy
,
10623 .flags
= GENL_ADMIN_PERM
,
10624 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10625 NL80211_FLAG_NEED_RTNL
,
10629 .cmd
= NL80211_CMD_GET_WOWLAN
,
10630 .doit
= nl80211_get_wowlan
,
10631 .policy
= nl80211_policy
,
10632 /* can be retrieved by unprivileged users */
10633 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10634 NL80211_FLAG_NEED_RTNL
,
10637 .cmd
= NL80211_CMD_SET_WOWLAN
,
10638 .doit
= nl80211_set_wowlan
,
10639 .policy
= nl80211_policy
,
10640 .flags
= GENL_ADMIN_PERM
,
10641 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10642 NL80211_FLAG_NEED_RTNL
,
10646 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10647 .doit
= nl80211_set_rekey_data
,
10648 .policy
= nl80211_policy
,
10649 .flags
= GENL_ADMIN_PERM
,
10650 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10651 NL80211_FLAG_NEED_RTNL
|
10652 NL80211_FLAG_CLEAR_SKB
,
10655 .cmd
= NL80211_CMD_TDLS_MGMT
,
10656 .doit
= nl80211_tdls_mgmt
,
10657 .policy
= nl80211_policy
,
10658 .flags
= GENL_ADMIN_PERM
,
10659 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10660 NL80211_FLAG_NEED_RTNL
,
10663 .cmd
= NL80211_CMD_TDLS_OPER
,
10664 .doit
= nl80211_tdls_oper
,
10665 .policy
= nl80211_policy
,
10666 .flags
= GENL_ADMIN_PERM
,
10667 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10668 NL80211_FLAG_NEED_RTNL
,
10671 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10672 .doit
= nl80211_register_unexpected_frame
,
10673 .policy
= nl80211_policy
,
10674 .flags
= GENL_ADMIN_PERM
,
10675 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10676 NL80211_FLAG_NEED_RTNL
,
10679 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10680 .doit
= nl80211_probe_client
,
10681 .policy
= nl80211_policy
,
10682 .flags
= GENL_ADMIN_PERM
,
10683 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10684 NL80211_FLAG_NEED_RTNL
,
10687 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
10688 .doit
= nl80211_register_beacons
,
10689 .policy
= nl80211_policy
,
10690 .flags
= GENL_ADMIN_PERM
,
10691 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10692 NL80211_FLAG_NEED_RTNL
,
10695 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10696 .doit
= nl80211_set_noack_map
,
10697 .policy
= nl80211_policy
,
10698 .flags
= GENL_ADMIN_PERM
,
10699 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10700 NL80211_FLAG_NEED_RTNL
,
10703 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10704 .doit
= nl80211_start_p2p_device
,
10705 .policy
= nl80211_policy
,
10706 .flags
= GENL_ADMIN_PERM
,
10707 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10708 NL80211_FLAG_NEED_RTNL
,
10711 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10712 .doit
= nl80211_stop_p2p_device
,
10713 .policy
= nl80211_policy
,
10714 .flags
= GENL_ADMIN_PERM
,
10715 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10716 NL80211_FLAG_NEED_RTNL
,
10719 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10720 .doit
= nl80211_set_mcast_rate
,
10721 .policy
= nl80211_policy
,
10722 .flags
= GENL_ADMIN_PERM
,
10723 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10724 NL80211_FLAG_NEED_RTNL
,
10727 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10728 .doit
= nl80211_set_mac_acl
,
10729 .policy
= nl80211_policy
,
10730 .flags
= GENL_ADMIN_PERM
,
10731 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10732 NL80211_FLAG_NEED_RTNL
,
10735 .cmd
= NL80211_CMD_RADAR_DETECT
,
10736 .doit
= nl80211_start_radar_detection
,
10737 .policy
= nl80211_policy
,
10738 .flags
= GENL_ADMIN_PERM
,
10739 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10740 NL80211_FLAG_NEED_RTNL
,
10743 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10744 .doit
= nl80211_get_protocol_features
,
10745 .policy
= nl80211_policy
,
10748 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10749 .doit
= nl80211_update_ft_ies
,
10750 .policy
= nl80211_policy
,
10751 .flags
= GENL_ADMIN_PERM
,
10752 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10753 NL80211_FLAG_NEED_RTNL
,
10756 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10757 .doit
= nl80211_crit_protocol_start
,
10758 .policy
= nl80211_policy
,
10759 .flags
= GENL_ADMIN_PERM
,
10760 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10761 NL80211_FLAG_NEED_RTNL
,
10764 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10765 .doit
= nl80211_crit_protocol_stop
,
10766 .policy
= nl80211_policy
,
10767 .flags
= GENL_ADMIN_PERM
,
10768 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10769 NL80211_FLAG_NEED_RTNL
,
10772 .cmd
= NL80211_CMD_GET_COALESCE
,
10773 .doit
= nl80211_get_coalesce
,
10774 .policy
= nl80211_policy
,
10775 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10776 NL80211_FLAG_NEED_RTNL
,
10779 .cmd
= NL80211_CMD_SET_COALESCE
,
10780 .doit
= nl80211_set_coalesce
,
10781 .policy
= nl80211_policy
,
10782 .flags
= GENL_ADMIN_PERM
,
10783 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10784 NL80211_FLAG_NEED_RTNL
,
10787 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10788 .doit
= nl80211_channel_switch
,
10789 .policy
= nl80211_policy
,
10790 .flags
= GENL_ADMIN_PERM
,
10791 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10792 NL80211_FLAG_NEED_RTNL
,
10795 .cmd
= NL80211_CMD_VENDOR
,
10796 .doit
= nl80211_vendor_cmd
,
10797 .policy
= nl80211_policy
,
10798 .flags
= GENL_ADMIN_PERM
,
10799 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10800 NL80211_FLAG_NEED_RTNL
,
10803 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10804 .doit
= nl80211_set_qos_map
,
10805 .policy
= nl80211_policy
,
10806 .flags
= GENL_ADMIN_PERM
,
10807 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10808 NL80211_FLAG_NEED_RTNL
,
10811 .cmd
= NL80211_CMD_ADD_TX_TS
,
10812 .doit
= nl80211_add_tx_ts
,
10813 .policy
= nl80211_policy
,
10814 .flags
= GENL_ADMIN_PERM
,
10815 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10816 NL80211_FLAG_NEED_RTNL
,
10819 .cmd
= NL80211_CMD_DEL_TX_TS
,
10820 .doit
= nl80211_del_tx_ts
,
10821 .policy
= nl80211_policy
,
10822 .flags
= GENL_ADMIN_PERM
,
10823 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10824 NL80211_FLAG_NEED_RTNL
,
10827 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
10828 .doit
= nl80211_tdls_channel_switch
,
10829 .policy
= nl80211_policy
,
10830 .flags
= GENL_ADMIN_PERM
,
10831 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10832 NL80211_FLAG_NEED_RTNL
,
10835 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
10836 .doit
= nl80211_tdls_cancel_channel_switch
,
10837 .policy
= nl80211_policy
,
10838 .flags
= GENL_ADMIN_PERM
,
10839 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10840 NL80211_FLAG_NEED_RTNL
,
10844 /* notification functions */
10846 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10847 enum nl80211_commands cmd
)
10849 struct sk_buff
*msg
;
10850 struct nl80211_dump_wiphy_state state
= {};
10852 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10853 cmd
!= NL80211_CMD_DEL_WIPHY
);
10855 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10859 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10864 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10865 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10868 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10869 struct cfg80211_registered_device
*rdev
)
10871 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10872 struct nlattr
*nest
;
10878 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10880 goto nla_put_failure
;
10881 for (i
= 0; i
< req
->n_ssids
; i
++) {
10882 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10883 goto nla_put_failure
;
10885 nla_nest_end(msg
, nest
);
10887 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10889 goto nla_put_failure
;
10890 for (i
= 0; i
< req
->n_channels
; i
++) {
10891 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10892 goto nla_put_failure
;
10894 nla_nest_end(msg
, nest
);
10897 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10898 goto nla_put_failure
;
10901 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10902 goto nla_put_failure
;
10909 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10910 struct cfg80211_registered_device
*rdev
,
10911 struct wireless_dev
*wdev
,
10912 u32 portid
, u32 seq
, int flags
,
10917 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10921 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10922 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10923 wdev
->netdev
->ifindex
)) ||
10924 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10925 goto nla_put_failure
;
10927 /* ignore errors and send incomplete event anyway */
10928 nl80211_add_scan_req(msg
, rdev
);
10930 return genlmsg_end(msg
, hdr
);
10933 genlmsg_cancel(msg
, hdr
);
10938 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10939 struct cfg80211_registered_device
*rdev
,
10940 struct net_device
*netdev
,
10941 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10945 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10949 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10950 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10951 goto nla_put_failure
;
10953 return genlmsg_end(msg
, hdr
);
10956 genlmsg_cancel(msg
, hdr
);
10960 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10961 struct wireless_dev
*wdev
)
10963 struct sk_buff
*msg
;
10965 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10969 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10970 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10975 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10976 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10979 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10980 struct wireless_dev
*wdev
, bool aborted
)
10982 struct sk_buff
*msg
;
10984 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10988 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10989 aborted
? NL80211_CMD_SCAN_ABORTED
:
10990 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10998 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10999 struct sk_buff
*msg
)
11004 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11005 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11008 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
11009 struct net_device
*netdev
)
11011 struct sk_buff
*msg
;
11013 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11017 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
11018 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
11023 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11024 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11027 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
11028 struct net_device
*netdev
, u32 cmd
)
11030 struct sk_buff
*msg
;
11032 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11036 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
11041 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11042 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
11045 static bool nl80211_reg_change_event_fill(struct sk_buff
*msg
,
11046 struct regulatory_request
*request
)
11048 /* Userspace can always count this one always being set */
11049 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
11050 goto nla_put_failure
;
11052 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
11053 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11054 NL80211_REGDOM_TYPE_WORLD
))
11055 goto nla_put_failure
;
11056 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
11057 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11058 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
11059 goto nla_put_failure
;
11060 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
11061 request
->intersect
) {
11062 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11063 NL80211_REGDOM_TYPE_INTERSECTION
))
11064 goto nla_put_failure
;
11066 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
11067 NL80211_REGDOM_TYPE_COUNTRY
) ||
11068 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
11070 goto nla_put_failure
;
11073 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
) {
11074 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(request
->wiphy_idx
);
11077 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
11078 goto nla_put_failure
;
11088 * This can happen on global regulatory changes or device specific settings
11089 * based on custom regulatory domains.
11091 void nl80211_common_reg_change_event(enum nl80211_commands cmd_id
,
11092 struct regulatory_request
*request
)
11094 struct sk_buff
*msg
;
11097 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11101 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd_id
);
11107 if (nl80211_reg_change_event_fill(msg
, request
) == false)
11108 goto nla_put_failure
;
11110 genlmsg_end(msg
, hdr
);
11113 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11114 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11120 genlmsg_cancel(msg
, hdr
);
11124 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11125 struct net_device
*netdev
,
11126 const u8
*buf
, size_t len
,
11127 enum nl80211_commands cmd
, gfp_t gfp
,
11130 struct sk_buff
*msg
;
11133 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11137 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11143 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11144 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11145 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11146 goto nla_put_failure
;
11148 if (uapsd_queues
>= 0) {
11149 struct nlattr
*nla_wmm
=
11150 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11152 goto nla_put_failure
;
11154 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11156 goto nla_put_failure
;
11158 nla_nest_end(msg
, nla_wmm
);
11161 genlmsg_end(msg
, hdr
);
11163 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11164 NL80211_MCGRP_MLME
, gfp
);
11168 genlmsg_cancel(msg
, hdr
);
11172 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11173 struct net_device
*netdev
, const u8
*buf
,
11174 size_t len
, gfp_t gfp
)
11176 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11177 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11180 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11181 struct net_device
*netdev
, const u8
*buf
,
11182 size_t len
, gfp_t gfp
, int uapsd_queues
)
11184 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11185 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11188 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11189 struct net_device
*netdev
, const u8
*buf
,
11190 size_t len
, gfp_t gfp
)
11192 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11193 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11196 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11197 struct net_device
*netdev
, const u8
*buf
,
11198 size_t len
, gfp_t gfp
)
11200 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11201 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11204 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11207 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11208 struct wiphy
*wiphy
= wdev
->wiphy
;
11209 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11210 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11213 if (WARN_ON(len
< 2))
11216 if (ieee80211_is_deauth(mgmt
->frame_control
))
11217 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11219 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11221 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11222 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11224 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11226 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11227 struct net_device
*netdev
, int cmd
,
11228 const u8
*addr
, gfp_t gfp
)
11230 struct sk_buff
*msg
;
11233 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11237 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11243 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11244 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11245 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11246 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11247 goto nla_put_failure
;
11249 genlmsg_end(msg
, hdr
);
11251 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11252 NL80211_MCGRP_MLME
, gfp
);
11256 genlmsg_cancel(msg
, hdr
);
11260 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11261 struct net_device
*netdev
, const u8
*addr
,
11264 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11268 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11269 struct net_device
*netdev
, const u8
*addr
,
11272 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11276 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11277 struct net_device
*netdev
, const u8
*bssid
,
11278 const u8
*req_ie
, size_t req_ie_len
,
11279 const u8
*resp_ie
, size_t resp_ie_len
,
11280 u16 status
, gfp_t gfp
)
11282 struct sk_buff
*msg
;
11285 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11289 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11295 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11296 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11297 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11298 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11300 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11302 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11303 goto nla_put_failure
;
11305 genlmsg_end(msg
, hdr
);
11307 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11308 NL80211_MCGRP_MLME
, gfp
);
11312 genlmsg_cancel(msg
, hdr
);
11317 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11318 struct net_device
*netdev
, const u8
*bssid
,
11319 const u8
*req_ie
, size_t req_ie_len
,
11320 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11322 struct sk_buff
*msg
;
11325 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11329 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11335 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11336 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11337 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11339 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11341 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11342 goto nla_put_failure
;
11344 genlmsg_end(msg
, hdr
);
11346 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11347 NL80211_MCGRP_MLME
, gfp
);
11351 genlmsg_cancel(msg
, hdr
);
11356 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11357 struct net_device
*netdev
, u16 reason
,
11358 const u8
*ie
, size_t ie_len
, bool from_ap
)
11360 struct sk_buff
*msg
;
11363 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11367 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11373 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11374 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11375 (from_ap
&& reason
&&
11376 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
11378 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
11379 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11380 goto nla_put_failure
;
11382 genlmsg_end(msg
, hdr
);
11384 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11385 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11389 genlmsg_cancel(msg
, hdr
);
11394 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
11395 struct net_device
*netdev
, const u8
*bssid
,
11398 struct sk_buff
*msg
;
11401 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11405 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
11411 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11412 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11413 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11414 goto nla_put_failure
;
11416 genlmsg_end(msg
, hdr
);
11418 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11419 NL80211_MCGRP_MLME
, gfp
);
11423 genlmsg_cancel(msg
, hdr
);
11427 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
11428 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
11430 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11431 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11432 struct sk_buff
*msg
;
11435 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11438 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
11440 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11444 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11450 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11451 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11452 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11454 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11455 goto nla_put_failure
;
11457 genlmsg_end(msg
, hdr
);
11459 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11460 NL80211_MCGRP_MLME
, gfp
);
11464 genlmsg_cancel(msg
, hdr
);
11467 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11469 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11470 struct net_device
*netdev
, const u8
*addr
,
11471 enum nl80211_key_type key_type
, int key_id
,
11472 const u8
*tsc
, gfp_t gfp
)
11474 struct sk_buff
*msg
;
11477 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11481 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11487 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11488 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11489 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11490 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11492 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11493 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11494 goto nla_put_failure
;
11496 genlmsg_end(msg
, hdr
);
11498 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11499 NL80211_MCGRP_MLME
, gfp
);
11503 genlmsg_cancel(msg
, hdr
);
11507 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11508 struct ieee80211_channel
*channel_before
,
11509 struct ieee80211_channel
*channel_after
)
11511 struct sk_buff
*msg
;
11513 struct nlattr
*nl_freq
;
11515 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11519 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11526 * Since we are applying the beacon hint to a wiphy we know its
11527 * wiphy_idx is valid
11529 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11530 goto nla_put_failure
;
11533 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11535 goto nla_put_failure
;
11536 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11537 goto nla_put_failure
;
11538 nla_nest_end(msg
, nl_freq
);
11541 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11543 goto nla_put_failure
;
11544 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11545 goto nla_put_failure
;
11546 nla_nest_end(msg
, nl_freq
);
11548 genlmsg_end(msg
, hdr
);
11551 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11552 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11558 genlmsg_cancel(msg
, hdr
);
11562 static void nl80211_send_remain_on_chan_event(
11563 int cmd
, struct cfg80211_registered_device
*rdev
,
11564 struct wireless_dev
*wdev
, u64 cookie
,
11565 struct ieee80211_channel
*chan
,
11566 unsigned int duration
, gfp_t gfp
)
11568 struct sk_buff
*msg
;
11571 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11575 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11581 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11582 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11583 wdev
->netdev
->ifindex
)) ||
11584 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11585 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11586 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11587 NL80211_CHAN_NO_HT
) ||
11588 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11589 goto nla_put_failure
;
11591 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11592 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11593 goto nla_put_failure
;
11595 genlmsg_end(msg
, hdr
);
11597 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11598 NL80211_MCGRP_MLME
, gfp
);
11602 genlmsg_cancel(msg
, hdr
);
11606 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11607 struct ieee80211_channel
*chan
,
11608 unsigned int duration
, gfp_t gfp
)
11610 struct wiphy
*wiphy
= wdev
->wiphy
;
11611 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11613 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11614 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11615 rdev
, wdev
, cookie
, chan
,
11618 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11620 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11621 struct ieee80211_channel
*chan
,
11624 struct wiphy
*wiphy
= wdev
->wiphy
;
11625 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11627 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11628 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11629 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11631 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11633 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11634 struct station_info
*sinfo
, gfp_t gfp
)
11636 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11637 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11638 struct sk_buff
*msg
;
11640 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11642 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11646 if (nl80211_send_station(msg
, 0, 0, 0,
11647 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11652 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11653 NL80211_MCGRP_MLME
, gfp
);
11655 EXPORT_SYMBOL(cfg80211_new_sta
);
11657 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
11659 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11660 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11661 struct sk_buff
*msg
;
11664 trace_cfg80211_del_sta(dev
, mac_addr
);
11666 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11670 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
11676 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11677 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
11678 goto nla_put_failure
;
11680 genlmsg_end(msg
, hdr
);
11682 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11683 NL80211_MCGRP_MLME
, gfp
);
11687 genlmsg_cancel(msg
, hdr
);
11690 EXPORT_SYMBOL(cfg80211_del_sta
);
11692 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11693 enum nl80211_connect_failed_reason reason
,
11696 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11697 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11698 struct sk_buff
*msg
;
11701 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11705 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11711 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11712 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11713 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11714 goto nla_put_failure
;
11716 genlmsg_end(msg
, hdr
);
11718 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11719 NL80211_MCGRP_MLME
, gfp
);
11723 genlmsg_cancel(msg
, hdr
);
11726 EXPORT_SYMBOL(cfg80211_conn_failed
);
11728 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11729 const u8
*addr
, gfp_t gfp
)
11731 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11732 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11733 struct sk_buff
*msg
;
11735 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11740 msg
= nlmsg_new(100, gfp
);
11744 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11750 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11751 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11752 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11753 goto nla_put_failure
;
11755 genlmsg_end(msg
, hdr
);
11756 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11760 genlmsg_cancel(msg
, hdr
);
11765 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11766 const u8
*addr
, gfp_t gfp
)
11768 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11771 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11773 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11774 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11775 trace_cfg80211_return_bool(false);
11778 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11780 trace_cfg80211_return_bool(ret
);
11783 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11785 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11786 const u8
*addr
, gfp_t gfp
)
11788 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11791 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11793 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11794 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11795 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11796 trace_cfg80211_return_bool(false);
11799 ret
= __nl80211_unexpected_frame(dev
,
11800 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11802 trace_cfg80211_return_bool(ret
);
11805 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11807 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11808 struct wireless_dev
*wdev
, u32 nlportid
,
11809 int freq
, int sig_dbm
,
11810 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11812 struct net_device
*netdev
= wdev
->netdev
;
11813 struct sk_buff
*msg
;
11816 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11820 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11826 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11827 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11828 netdev
->ifindex
)) ||
11829 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11830 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11832 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11833 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11835 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11836 goto nla_put_failure
;
11838 genlmsg_end(msg
, hdr
);
11840 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11843 genlmsg_cancel(msg
, hdr
);
11848 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11849 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11851 struct wiphy
*wiphy
= wdev
->wiphy
;
11852 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11853 struct net_device
*netdev
= wdev
->netdev
;
11854 struct sk_buff
*msg
;
11857 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11859 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11863 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11869 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11870 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11871 netdev
->ifindex
)) ||
11872 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11873 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11874 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11875 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11876 goto nla_put_failure
;
11878 genlmsg_end(msg
, hdr
);
11880 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11881 NL80211_MCGRP_MLME
, gfp
);
11885 genlmsg_cancel(msg
, hdr
);
11888 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11890 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
11891 const char *mac
, gfp_t gfp
)
11893 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11894 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11895 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11901 cb
= (void **)msg
->cb
;
11903 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11909 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11910 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11911 goto nla_put_failure
;
11913 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
11914 goto nla_put_failure
;
11916 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
11918 goto nla_put_failure
;
11928 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
11930 void **cb
= (void **)msg
->cb
;
11931 struct cfg80211_registered_device
*rdev
= cb
[2];
11933 nla_nest_end(msg
, cb
[1]);
11934 genlmsg_end(msg
, cb
[0]);
11936 memset(msg
->cb
, 0, sizeof(msg
->cb
));
11938 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11939 NL80211_MCGRP_MLME
, gfp
);
11942 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11943 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11946 struct sk_buff
*msg
;
11948 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11950 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
11951 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
11954 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
11958 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11960 goto nla_put_failure
;
11962 cfg80211_send_cqm(msg
, gfp
);
11969 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11971 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11972 const u8
*peer
, u32 num_packets
,
11973 u32 rate
, u32 intvl
, gfp_t gfp
)
11975 struct sk_buff
*msg
;
11977 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
11981 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11982 goto nla_put_failure
;
11984 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11985 goto nla_put_failure
;
11987 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11988 goto nla_put_failure
;
11990 cfg80211_send_cqm(msg
, gfp
);
11996 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11998 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11999 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12001 struct sk_buff
*msg
;
12003 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12005 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
12009 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12010 goto nla_put_failure
;
12012 cfg80211_send_cqm(msg
, gfp
);
12018 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12020 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
12022 struct sk_buff
*msg
;
12024 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
12028 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
12029 goto nla_put_failure
;
12031 cfg80211_send_cqm(msg
, gfp
);
12037 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
12039 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
12040 struct net_device
*netdev
, const u8
*bssid
,
12041 const u8
*replay_ctr
, gfp_t gfp
)
12043 struct sk_buff
*msg
;
12044 struct nlattr
*rekey_attr
;
12047 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12051 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
12057 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12058 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12059 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
12060 goto nla_put_failure
;
12062 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
12064 goto nla_put_failure
;
12066 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
12067 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
12068 goto nla_put_failure
;
12070 nla_nest_end(msg
, rekey_attr
);
12072 genlmsg_end(msg
, hdr
);
12074 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12075 NL80211_MCGRP_MLME
, gfp
);
12079 genlmsg_cancel(msg
, hdr
);
12083 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
12084 const u8
*replay_ctr
, gfp_t gfp
)
12086 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12087 struct wiphy
*wiphy
= wdev
->wiphy
;
12088 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12090 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
12091 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
12093 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
12096 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
12097 struct net_device
*netdev
, int index
,
12098 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12100 struct sk_buff
*msg
;
12101 struct nlattr
*attr
;
12104 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12108 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
12114 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12115 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12116 goto nla_put_failure
;
12118 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
12120 goto nla_put_failure
;
12122 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12123 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12125 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12126 goto nla_put_failure
;
12128 nla_nest_end(msg
, attr
);
12130 genlmsg_end(msg
, hdr
);
12132 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12133 NL80211_MCGRP_MLME
, gfp
);
12137 genlmsg_cancel(msg
, hdr
);
12141 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12142 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12144 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12145 struct wiphy
*wiphy
= wdev
->wiphy
;
12146 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12148 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12149 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12151 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12153 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12154 struct net_device
*netdev
,
12155 struct cfg80211_chan_def
*chandef
,
12157 enum nl80211_commands notif
,
12160 struct sk_buff
*msg
;
12163 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12167 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12173 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12174 goto nla_put_failure
;
12176 if (nl80211_send_chandef(msg
, chandef
))
12177 goto nla_put_failure
;
12179 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12180 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12181 goto nla_put_failure
;
12183 genlmsg_end(msg
, hdr
);
12185 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12186 NL80211_MCGRP_MLME
, gfp
);
12190 genlmsg_cancel(msg
, hdr
);
12194 void cfg80211_ch_switch_notify(struct net_device
*dev
,
12195 struct cfg80211_chan_def
*chandef
)
12197 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12198 struct wiphy
*wiphy
= wdev
->wiphy
;
12199 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12201 ASSERT_WDEV_LOCK(wdev
);
12203 trace_cfg80211_ch_switch_notify(dev
, chandef
);
12205 wdev
->chandef
= *chandef
;
12206 wdev
->preset_chandef
= *chandef
;
12207 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12208 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
12210 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
12212 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
12213 struct cfg80211_chan_def
*chandef
,
12216 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12217 struct wiphy
*wiphy
= wdev
->wiphy
;
12218 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12220 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
12222 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12223 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
12225 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
12228 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12229 const struct cfg80211_chan_def
*chandef
,
12230 enum nl80211_radar_event event
,
12231 struct net_device
*netdev
, gfp_t gfp
)
12233 struct sk_buff
*msg
;
12236 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12240 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12246 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12247 goto nla_put_failure
;
12249 /* NOP and radar events don't need a netdev parameter */
12251 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12253 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12254 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12255 goto nla_put_failure
;
12258 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12259 goto nla_put_failure
;
12261 if (nl80211_send_chandef(msg
, chandef
))
12262 goto nla_put_failure
;
12264 genlmsg_end(msg
, hdr
);
12266 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12267 NL80211_MCGRP_MLME
, gfp
);
12271 genlmsg_cancel(msg
, hdr
);
12275 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12276 u64 cookie
, bool acked
, gfp_t gfp
)
12278 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12279 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12280 struct sk_buff
*msg
;
12283 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12285 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12290 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12296 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12297 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12298 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12299 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12300 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12301 goto nla_put_failure
;
12303 genlmsg_end(msg
, hdr
);
12305 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12306 NL80211_MCGRP_MLME
, gfp
);
12310 genlmsg_cancel(msg
, hdr
);
12313 EXPORT_SYMBOL(cfg80211_probe_status
);
12315 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12316 const u8
*frame
, size_t len
,
12317 int freq
, int sig_dbm
)
12319 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12320 struct sk_buff
*msg
;
12322 struct cfg80211_beacon_registration
*reg
;
12324 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12326 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12327 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12328 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12330 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12334 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12336 goto nla_put_failure
;
12338 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12340 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12342 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12343 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12344 goto nla_put_failure
;
12346 genlmsg_end(msg
, hdr
);
12348 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12350 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12354 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12356 genlmsg_cancel(msg
, hdr
);
12359 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12362 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12363 struct cfg80211_wowlan_wakeup
*wakeup
)
12365 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12366 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12369 nl_results
= nla_nest_start(
12370 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12374 for (i
= 0; i
< nd
->n_matches
; i
++) {
12375 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12377 nl_match
= nla_nest_start(msg
, i
);
12381 /* The SSID attribute is optional in nl80211, but for
12382 * simplicity reasons it's always present in the
12383 * cfg80211 structure. If a driver can't pass the
12384 * SSID, that needs to be changed. A zero length SSID
12385 * is still a valid SSID (wildcard), so it cannot be
12386 * used for this purpose.
12388 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
12389 match
->ssid
.ssid
)) {
12390 nla_nest_cancel(msg
, nl_match
);
12394 if (match
->n_channels
) {
12395 nl_freqs
= nla_nest_start(
12396 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12398 nla_nest_cancel(msg
, nl_match
);
12402 for (j
= 0; j
< match
->n_channels
; j
++) {
12403 if (nla_put_u32(msg
,
12404 NL80211_ATTR_WIPHY_FREQ
,
12405 match
->channels
[j
])) {
12406 nla_nest_cancel(msg
, nl_freqs
);
12407 nla_nest_cancel(msg
, nl_match
);
12412 nla_nest_end(msg
, nl_freqs
);
12415 nla_nest_end(msg
, nl_match
);
12419 nla_nest_end(msg
, nl_results
);
12423 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
12424 struct cfg80211_wowlan_wakeup
*wakeup
,
12427 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12428 struct sk_buff
*msg
;
12432 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
12435 size
+= wakeup
->packet_present_len
;
12437 msg
= nlmsg_new(size
, gfp
);
12441 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
12445 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12446 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12449 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12450 wdev
->netdev
->ifindex
))
12454 struct nlattr
*reasons
;
12456 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
12460 if (wakeup
->disconnect
&&
12461 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
12463 if (wakeup
->magic_pkt
&&
12464 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
12466 if (wakeup
->gtk_rekey_failure
&&
12467 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
12469 if (wakeup
->eap_identity_req
&&
12470 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
12472 if (wakeup
->four_way_handshake
&&
12473 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
12475 if (wakeup
->rfkill_release
&&
12476 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
12479 if (wakeup
->pattern_idx
>= 0 &&
12480 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
12481 wakeup
->pattern_idx
))
12484 if (wakeup
->tcp_match
&&
12485 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
12488 if (wakeup
->tcp_connlost
&&
12489 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
12492 if (wakeup
->tcp_nomoretokens
&&
12494 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
12497 if (wakeup
->packet
) {
12498 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
12499 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
12501 if (!wakeup
->packet_80211
) {
12503 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
12505 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
12508 if (wakeup
->packet_len
&&
12509 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
12512 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
12517 if (wakeup
->net_detect
&&
12518 cfg80211_net_detect_results(msg
, wakeup
))
12521 nla_nest_end(msg
, reasons
);
12524 genlmsg_end(msg
, hdr
);
12526 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12527 NL80211_MCGRP_MLME
, gfp
);
12533 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12536 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12537 enum nl80211_tdls_operation oper
,
12538 u16 reason_code
, gfp_t gfp
)
12540 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12541 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12542 struct sk_buff
*msg
;
12545 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12548 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12552 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12558 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12559 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12560 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12561 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12562 (reason_code
> 0 &&
12563 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12564 goto nla_put_failure
;
12566 genlmsg_end(msg
, hdr
);
12568 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12569 NL80211_MCGRP_MLME
, gfp
);
12573 genlmsg_cancel(msg
, hdr
);
12576 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12578 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12579 unsigned long state
,
12582 struct netlink_notify
*notify
= _notify
;
12583 struct cfg80211_registered_device
*rdev
;
12584 struct wireless_dev
*wdev
;
12585 struct cfg80211_beacon_registration
*reg
, *tmp
;
12587 if (state
!= NETLINK_URELEASE
)
12588 return NOTIFY_DONE
;
12592 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12593 bool schedule_destroy_work
= false;
12595 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12596 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12598 if (wdev
->owner_nlportid
== notify
->portid
)
12599 schedule_destroy_work
= true;
12602 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12603 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12605 if (reg
->nlportid
== notify
->portid
) {
12606 list_del(®
->list
);
12611 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12613 if (schedule_destroy_work
) {
12614 struct cfg80211_iface_destroy
*destroy
;
12616 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12618 destroy
->nlportid
= notify
->portid
;
12619 spin_lock(&rdev
->destroy_list_lock
);
12620 list_add(&destroy
->list
, &rdev
->destroy_list
);
12621 spin_unlock(&rdev
->destroy_list_lock
);
12622 schedule_work(&rdev
->destroy_work
);
12632 static struct notifier_block nl80211_netlink_notifier
= {
12633 .notifier_call
= nl80211_netlink_notify
,
12636 void cfg80211_ft_event(struct net_device
*netdev
,
12637 struct cfg80211_ft_event_params
*ft_event
)
12639 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12640 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12641 struct sk_buff
*msg
;
12644 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12646 if (!ft_event
->target_ap
)
12649 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12653 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12657 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12658 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12659 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12662 if (ft_event
->ies
&&
12663 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12665 if (ft_event
->ric_ies
&&
12666 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12667 ft_event
->ric_ies
))
12670 genlmsg_end(msg
, hdr
);
12672 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12673 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12678 EXPORT_SYMBOL(cfg80211_ft_event
);
12680 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12682 struct cfg80211_registered_device
*rdev
;
12683 struct sk_buff
*msg
;
12687 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12688 if (!rdev
->crit_proto_nlportid
)
12691 nlportid
= rdev
->crit_proto_nlportid
;
12692 rdev
->crit_proto_nlportid
= 0;
12694 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12698 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12700 goto nla_put_failure
;
12702 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12703 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12704 goto nla_put_failure
;
12706 genlmsg_end(msg
, hdr
);
12708 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12713 genlmsg_cancel(msg
, hdr
);
12717 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12719 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12721 struct wiphy
*wiphy
= wdev
->wiphy
;
12722 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12723 struct sk_buff
*msg
;
12726 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12730 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12734 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12735 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12736 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12739 genlmsg_end(msg
, hdr
);
12741 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12742 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12748 /* initialisation/exit functions */
12750 int nl80211_init(void)
12754 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12759 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12765 genl_unregister_family(&nl80211_fam
);
12769 void nl80211_exit(void)
12771 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12772 genl_unregister_family(&nl80211_fam
);