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_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5332 const struct ieee80211_regdomain
*regdom
;
5333 struct sk_buff
*msg
;
5335 struct nlattr
*nl_reg_rules
;
5338 if (!cfg80211_regdomain
)
5341 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5345 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5346 NL80211_CMD_GET_REG
);
5350 if (reg_last_request_cell_base() &&
5351 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5352 NL80211_USER_REG_HINT_CELL_BASE
))
5353 goto nla_put_failure
;
5356 regdom
= rcu_dereference(cfg80211_regdomain
);
5358 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5359 (regdom
->dfs_region
&&
5360 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5361 goto nla_put_failure_rcu
;
5363 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5365 goto nla_put_failure_rcu
;
5367 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5368 struct nlattr
*nl_reg_rule
;
5369 const struct ieee80211_reg_rule
*reg_rule
;
5370 const struct ieee80211_freq_range
*freq_range
;
5371 const struct ieee80211_power_rule
*power_rule
;
5372 unsigned int max_bandwidth_khz
;
5374 reg_rule
= ®dom
->reg_rules
[i
];
5375 freq_range
= ®_rule
->freq_range
;
5376 power_rule
= ®_rule
->power_rule
;
5378 nl_reg_rule
= nla_nest_start(msg
, i
);
5380 goto nla_put_failure_rcu
;
5382 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5383 if (!max_bandwidth_khz
)
5384 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5387 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5389 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5390 freq_range
->start_freq_khz
) ||
5391 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5392 freq_range
->end_freq_khz
) ||
5393 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5394 max_bandwidth_khz
) ||
5395 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5396 power_rule
->max_antenna_gain
) ||
5397 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5398 power_rule
->max_eirp
) ||
5399 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5400 reg_rule
->dfs_cac_ms
))
5401 goto nla_put_failure_rcu
;
5403 nla_nest_end(msg
, nl_reg_rule
);
5407 nla_nest_end(msg
, nl_reg_rules
);
5409 genlmsg_end(msg
, hdr
);
5410 return genlmsg_reply(msg
, info
);
5412 nla_put_failure_rcu
:
5415 genlmsg_cancel(msg
, hdr
);
5421 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5423 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5424 struct nlattr
*nl_reg_rule
;
5426 int rem_reg_rules
, r
;
5427 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5428 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5429 struct ieee80211_regdomain
*rd
;
5431 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5434 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5437 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5439 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5440 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5442 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5445 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5449 if (!reg_is_valid_request(alpha2
))
5452 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5453 num_rules
* sizeof(struct ieee80211_reg_rule
);
5455 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5459 rd
->n_reg_rules
= num_rules
;
5460 rd
->alpha2
[0] = alpha2
[0];
5461 rd
->alpha2
[1] = alpha2
[1];
5464 * Disable DFS master mode if the DFS region was
5465 * not supported or known on this kernel.
5467 if (reg_supported_dfs_region(dfs_region
))
5468 rd
->dfs_region
= dfs_region
;
5470 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5472 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5473 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5477 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5483 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5490 /* set_regdom took ownership */
5498 static int validate_scan_freqs(struct nlattr
*freqs
)
5500 struct nlattr
*attr1
, *attr2
;
5501 int n_channels
= 0, tmp1
, tmp2
;
5503 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5506 * Some hardware has a limited channel list for
5507 * scanning, and it is pretty much nonsensical
5508 * to scan for a channel twice, so disallow that
5509 * and don't require drivers to check that the
5510 * channel list they get isn't longer than what
5511 * they can scan, as long as they can scan all
5512 * the channels they registered at once.
5514 nla_for_each_nested(attr2
, freqs
, tmp2
)
5515 if (attr1
!= attr2
&&
5516 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5523 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5524 u8
*mac_addr
, u8
*mac_addr_mask
)
5528 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5529 memset(mac_addr
, 0, ETH_ALEN
);
5530 memset(mac_addr_mask
, 0, ETH_ALEN
);
5532 mac_addr_mask
[0] = 0x3;
5537 /* need both or none */
5538 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5541 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5542 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5544 /* don't allow or configure an mcast address */
5545 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5546 is_multicast_ether_addr(mac_addr
))
5550 * allow users to pass a MAC address that has bits set outside
5551 * of the mask, but don't bother drivers with having to deal
5554 for (i
= 0; i
< ETH_ALEN
; i
++)
5555 mac_addr
[i
] &= mac_addr_mask
[i
];
5560 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5562 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5563 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5564 struct cfg80211_scan_request
*request
;
5565 struct nlattr
*attr
;
5566 struct wiphy
*wiphy
;
5567 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5570 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5573 wiphy
= &rdev
->wiphy
;
5575 if (!rdev
->ops
->scan
)
5578 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5583 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5584 n_channels
= validate_scan_freqs(
5585 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5591 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5594 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5595 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5598 if (n_ssids
> wiphy
->max_scan_ssids
) {
5603 if (info
->attrs
[NL80211_ATTR_IE
])
5604 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5608 if (ie_len
> wiphy
->max_scan_ie_len
) {
5613 request
= kzalloc(sizeof(*request
)
5614 + sizeof(*request
->ssids
) * n_ssids
5615 + sizeof(*request
->channels
) * n_channels
5616 + ie_len
, GFP_KERNEL
);
5623 request
->ssids
= (void *)&request
->channels
[n_channels
];
5624 request
->n_ssids
= n_ssids
;
5627 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5629 request
->ie
= (void *)(request
->channels
+ n_channels
);
5633 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5634 /* user specified, bail out if channel not found */
5635 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5636 struct ieee80211_channel
*chan
;
5638 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5645 /* ignore disabled channels */
5646 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5649 request
->channels
[i
] = chan
;
5653 enum ieee80211_band band
;
5656 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5658 if (!wiphy
->bands
[band
])
5660 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5661 struct ieee80211_channel
*chan
;
5663 chan
= &wiphy
->bands
[band
]->channels
[j
];
5665 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5668 request
->channels
[i
] = chan
;
5679 request
->n_channels
= i
;
5682 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5683 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5684 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5688 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5689 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5694 if (info
->attrs
[NL80211_ATTR_IE
]) {
5695 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5696 memcpy((void *)request
->ie
,
5697 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5701 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5702 if (wiphy
->bands
[i
])
5704 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5706 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5707 nla_for_each_nested(attr
,
5708 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5710 enum ieee80211_band band
= nla_type(attr
);
5712 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5717 if (!wiphy
->bands
[band
])
5720 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5723 &request
->rates
[band
]);
5729 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5730 request
->flags
= nla_get_u32(
5731 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5732 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5733 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5738 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5739 if (!(wiphy
->features
&
5740 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5745 if (wdev
->current_bss
) {
5750 err
= nl80211_parse_random_mac(info
->attrs
,
5752 request
->mac_addr_mask
);
5759 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5761 request
->wdev
= wdev
;
5762 request
->wiphy
= &rdev
->wiphy
;
5763 request
->scan_start
= jiffies
;
5765 rdev
->scan_req
= request
;
5766 err
= rdev_scan(rdev
, request
);
5769 nl80211_send_scan_start(rdev
, wdev
);
5771 dev_hold(wdev
->netdev
);
5774 rdev
->scan_req
= NULL
;
5782 static struct cfg80211_sched_scan_request
*
5783 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
5784 struct nlattr
**attrs
)
5786 struct cfg80211_sched_scan_request
*request
;
5787 struct nlattr
*attr
;
5788 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5790 enum ieee80211_band band
;
5792 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5793 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5795 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
5796 return ERR_PTR(-EINVAL
);
5798 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5799 return ERR_PTR(-EINVAL
);
5801 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5803 return ERR_PTR(-EINVAL
);
5805 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5806 n_channels
= validate_scan_freqs(
5807 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5809 return ERR_PTR(-EINVAL
);
5811 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5814 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
5815 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5819 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5820 return ERR_PTR(-EINVAL
);
5823 * First, count the number of 'real' matchsets. Due to an issue with
5824 * the old implementation, matchsets containing only the RSSI attribute
5825 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5826 * RSSI for all matchsets, rather than their own matchset for reporting
5827 * all APs with a strong RSSI. This is needed to be compatible with
5828 * older userspace that treated a matchset with only the RSSI as the
5829 * global RSSI for all other matchsets - if there are other matchsets.
5831 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5832 nla_for_each_nested(attr
,
5833 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5835 struct nlattr
*rssi
;
5837 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5838 nla_data(attr
), nla_len(attr
),
5839 nl80211_match_policy
);
5841 return ERR_PTR(err
);
5842 /* add other standalone attributes here */
5843 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5847 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5849 default_match_rssi
= nla_get_s32(rssi
);
5853 /* However, if there's no other matchset, add the RSSI one */
5854 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5857 if (n_match_sets
> wiphy
->max_match_sets
)
5858 return ERR_PTR(-EINVAL
);
5860 if (attrs
[NL80211_ATTR_IE
])
5861 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
5865 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5866 return ERR_PTR(-EINVAL
);
5868 request
= kzalloc(sizeof(*request
)
5869 + sizeof(*request
->ssids
) * n_ssids
5870 + sizeof(*request
->match_sets
) * n_match_sets
5871 + sizeof(*request
->channels
) * n_channels
5872 + ie_len
, GFP_KERNEL
);
5874 return ERR_PTR(-ENOMEM
);
5877 request
->ssids
= (void *)&request
->channels
[n_channels
];
5878 request
->n_ssids
= n_ssids
;
5881 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5883 request
->ie
= (void *)(request
->channels
+ n_channels
);
5888 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5889 else if (request
->ssids
)
5890 request
->match_sets
=
5891 (void *)(request
->ssids
+ n_ssids
);
5893 request
->match_sets
=
5894 (void *)(request
->channels
+ n_channels
);
5896 request
->n_match_sets
= n_match_sets
;
5899 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5900 /* user specified, bail out if channel not found */
5901 nla_for_each_nested(attr
,
5902 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5904 struct ieee80211_channel
*chan
;
5906 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5913 /* ignore disabled channels */
5914 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5917 request
->channels
[i
] = chan
;
5922 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5924 if (!wiphy
->bands
[band
])
5926 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5927 struct ieee80211_channel
*chan
;
5929 chan
= &wiphy
->bands
[band
]->channels
[j
];
5931 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5934 request
->channels
[i
] = chan
;
5945 request
->n_channels
= i
;
5948 if (attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5949 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5951 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5955 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5956 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5963 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5964 nla_for_each_nested(attr
,
5965 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5967 struct nlattr
*ssid
, *rssi
;
5969 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5970 nla_data(attr
), nla_len(attr
),
5971 nl80211_match_policy
);
5974 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5976 if (WARN_ON(i
>= n_match_sets
)) {
5977 /* this indicates a programming error,
5978 * the loop above should have verified
5985 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5989 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5990 nla_data(ssid
), nla_len(ssid
));
5991 request
->match_sets
[i
].ssid
.ssid_len
=
5993 /* special attribute - old implemenation w/a */
5994 request
->match_sets
[i
].rssi_thold
=
5996 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5998 request
->match_sets
[i
].rssi_thold
=
6004 /* there was no other matchset, so the RSSI one is alone */
6006 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6008 request
->min_rssi_thold
= INT_MAX
;
6009 for (i
= 0; i
< n_match_sets
; i
++)
6010 request
->min_rssi_thold
=
6011 min(request
->match_sets
[i
].rssi_thold
,
6012 request
->min_rssi_thold
);
6014 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6018 request
->ie_len
= ie_len
;
6019 memcpy((void *)request
->ie
,
6020 nla_data(attrs
[NL80211_ATTR_IE
]),
6024 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6025 request
->flags
= nla_get_u32(
6026 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6027 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6028 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6033 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6034 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6036 if (!wdev
) /* must be net-detect */
6037 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6039 if (!(wiphy
->features
& flg
)) {
6044 if (wdev
&& wdev
->current_bss
) {
6049 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6050 request
->mac_addr_mask
);
6056 request
->interval
= interval
;
6057 request
->scan_start
= jiffies
;
6063 return ERR_PTR(err
);
6066 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6067 struct genl_info
*info
)
6069 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6070 struct net_device
*dev
= info
->user_ptr
[1];
6071 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6074 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6075 !rdev
->ops
->sched_scan_start
)
6078 if (rdev
->sched_scan_req
)
6079 return -EINPROGRESS
;
6081 rdev
->sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6083 err
= PTR_ERR_OR_ZERO(rdev
->sched_scan_req
);
6087 err
= rdev_sched_scan_start(rdev
, dev
, rdev
->sched_scan_req
);
6091 rdev
->sched_scan_req
->dev
= dev
;
6092 rdev
->sched_scan_req
->wiphy
= &rdev
->wiphy
;
6094 nl80211_send_sched_scan(rdev
, dev
,
6095 NL80211_CMD_START_SCHED_SCAN
);
6099 kfree(rdev
->sched_scan_req
);
6101 rdev
->sched_scan_req
= NULL
;
6105 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6106 struct genl_info
*info
)
6108 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6110 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6111 !rdev
->ops
->sched_scan_stop
)
6114 return __cfg80211_stop_sched_scan(rdev
, false);
6117 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6118 struct genl_info
*info
)
6120 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6121 struct net_device
*dev
= info
->user_ptr
[1];
6122 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6123 struct cfg80211_chan_def chandef
;
6124 enum nl80211_dfs_regions dfs_region
;
6125 unsigned int cac_time_ms
;
6128 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6129 if (dfs_region
== NL80211_DFS_UNSET
)
6132 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6136 if (netif_carrier_ok(dev
))
6139 if (wdev
->cac_started
)
6142 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6150 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6153 if (!rdev
->ops
->start_radar_detection
)
6156 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6157 if (WARN_ON(!cac_time_ms
))
6158 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6160 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6163 wdev
->chandef
= chandef
;
6164 wdev
->cac_started
= true;
6165 wdev
->cac_start_time
= jiffies
;
6166 wdev
->cac_time_ms
= cac_time_ms
;
6171 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6173 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6174 struct net_device
*dev
= info
->user_ptr
[1];
6175 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6176 struct cfg80211_csa_settings params
;
6177 /* csa_attrs is defined static to avoid waste of stack size - this
6178 * function is called under RTNL lock, so this should not be a problem.
6180 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6182 bool need_new_beacon
= false;
6186 if (!rdev
->ops
->channel_switch
||
6187 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6190 switch (dev
->ieee80211_ptr
->iftype
) {
6191 case NL80211_IFTYPE_AP
:
6192 case NL80211_IFTYPE_P2P_GO
:
6193 need_new_beacon
= true;
6195 /* useless if AP is not running */
6196 if (!wdev
->beacon_interval
)
6199 case NL80211_IFTYPE_ADHOC
:
6200 if (!wdev
->ssid_len
)
6203 case NL80211_IFTYPE_MESH_POINT
:
6204 if (!wdev
->mesh_id_len
)
6211 memset(¶ms
, 0, sizeof(params
));
6213 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6214 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6217 /* only important for AP, IBSS and mesh create IEs internally */
6218 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6221 /* Even though the attribute is u32, the specification says
6222 * u8, so let's make sure we don't overflow.
6224 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6228 params
.count
= cs_count
;
6230 if (!need_new_beacon
)
6233 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6237 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6238 info
->attrs
[NL80211_ATTR_CSA_IES
],
6243 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6247 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6250 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6251 if (!len
|| (len
% sizeof(u16
)))
6254 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6255 if (rdev
->wiphy
.max_num_csa_counters
&&
6256 (params
.n_counter_offsets_beacon
>
6257 rdev
->wiphy
.max_num_csa_counters
))
6260 params
.counter_offsets_beacon
=
6261 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6263 /* sanity checks - counters should fit and be the same */
6264 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6265 u16 offset
= params
.counter_offsets_beacon
[i
];
6267 if (offset
>= params
.beacon_csa
.tail_len
)
6270 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6274 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6275 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6276 if (!len
|| (len
% sizeof(u16
)))
6279 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6280 if (rdev
->wiphy
.max_num_csa_counters
&&
6281 (params
.n_counter_offsets_beacon
>
6282 rdev
->wiphy
.max_num_csa_counters
))
6285 params
.counter_offsets_presp
=
6286 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6288 /* sanity checks - counters should fit and be the same */
6289 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6290 u16 offset
= params
.counter_offsets_presp
[i
];
6292 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6295 if (params
.beacon_csa
.probe_resp
[offset
] !=
6302 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6306 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6310 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6317 params
.radar_required
= true;
6319 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6320 params
.block_tx
= true;
6323 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6329 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6331 struct cfg80211_registered_device
*rdev
,
6332 struct wireless_dev
*wdev
,
6333 struct cfg80211_internal_bss
*intbss
)
6335 struct cfg80211_bss
*res
= &intbss
->pub
;
6336 const struct cfg80211_bss_ies
*ies
;
6340 ASSERT_WDEV_LOCK(wdev
);
6342 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6343 NL80211_CMD_NEW_SCAN_RESULTS
);
6347 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6349 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6350 goto nla_put_failure
;
6352 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6353 goto nla_put_failure
;
6354 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6355 goto nla_put_failure
;
6357 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6359 goto nla_put_failure
;
6360 if ((!is_zero_ether_addr(res
->bssid
) &&
6361 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6362 goto nla_put_failure
;
6365 /* indicate whether we have probe response data or not */
6366 if (rcu_access_pointer(res
->proberesp_ies
) &&
6367 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6368 goto fail_unlock_rcu
;
6370 /* this pointer prefers to be pointed to probe response data
6371 * but is always valid
6373 ies
= rcu_dereference(res
->ies
);
6375 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6376 goto fail_unlock_rcu
;
6377 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6378 ies
->len
, ies
->data
))
6379 goto fail_unlock_rcu
;
6382 /* and this pointer is always (unless driver didn't know) beacon data */
6383 ies
= rcu_dereference(res
->beacon_ies
);
6384 if (ies
&& ies
->from_beacon
) {
6385 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6386 goto fail_unlock_rcu
;
6387 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6388 ies
->len
, ies
->data
))
6389 goto fail_unlock_rcu
;
6393 if (res
->beacon_interval
&&
6394 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6395 goto nla_put_failure
;
6396 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6397 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6398 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6399 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6400 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6401 goto nla_put_failure
;
6403 switch (rdev
->wiphy
.signal_type
) {
6404 case CFG80211_SIGNAL_TYPE_MBM
:
6405 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6406 goto nla_put_failure
;
6408 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6409 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6410 goto nla_put_failure
;
6416 switch (wdev
->iftype
) {
6417 case NL80211_IFTYPE_P2P_CLIENT
:
6418 case NL80211_IFTYPE_STATION
:
6419 if (intbss
== wdev
->current_bss
&&
6420 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6421 NL80211_BSS_STATUS_ASSOCIATED
))
6422 goto nla_put_failure
;
6424 case NL80211_IFTYPE_ADHOC
:
6425 if (intbss
== wdev
->current_bss
&&
6426 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6427 NL80211_BSS_STATUS_IBSS_JOINED
))
6428 goto nla_put_failure
;
6434 nla_nest_end(msg
, bss
);
6436 return genlmsg_end(msg
, hdr
);
6441 genlmsg_cancel(msg
, hdr
);
6445 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6447 struct cfg80211_registered_device
*rdev
;
6448 struct cfg80211_internal_bss
*scan
;
6449 struct wireless_dev
*wdev
;
6450 int start
= cb
->args
[2], idx
= 0;
6453 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6458 spin_lock_bh(&rdev
->bss_lock
);
6459 cfg80211_bss_expire(rdev
);
6461 cb
->seq
= rdev
->bss_generation
;
6463 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6466 if (nl80211_send_bss(skb
, cb
,
6467 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6468 rdev
, wdev
, scan
) < 0) {
6474 spin_unlock_bh(&rdev
->bss_lock
);
6478 nl80211_finish_wdev_dump(rdev
);
6483 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6484 int flags
, struct net_device
*dev
,
6485 struct survey_info
*survey
)
6488 struct nlattr
*infoattr
;
6490 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6491 NL80211_CMD_NEW_SURVEY_RESULTS
);
6495 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6496 goto nla_put_failure
;
6498 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6500 goto nla_put_failure
;
6502 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6503 survey
->channel
->center_freq
))
6504 goto nla_put_failure
;
6506 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6507 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6508 goto nla_put_failure
;
6509 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6510 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6511 goto nla_put_failure
;
6512 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6513 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6514 survey
->channel_time
))
6515 goto nla_put_failure
;
6516 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6517 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6518 survey
->channel_time_busy
))
6519 goto nla_put_failure
;
6520 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6521 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6522 survey
->channel_time_ext_busy
))
6523 goto nla_put_failure
;
6524 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6525 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6526 survey
->channel_time_rx
))
6527 goto nla_put_failure
;
6528 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6529 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6530 survey
->channel_time_tx
))
6531 goto nla_put_failure
;
6533 nla_nest_end(msg
, infoattr
);
6535 return genlmsg_end(msg
, hdr
);
6538 genlmsg_cancel(msg
, hdr
);
6542 static int nl80211_dump_survey(struct sk_buff
*skb
,
6543 struct netlink_callback
*cb
)
6545 struct survey_info survey
;
6546 struct cfg80211_registered_device
*rdev
;
6547 struct wireless_dev
*wdev
;
6548 int survey_idx
= cb
->args
[2];
6551 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6555 if (!wdev
->netdev
) {
6560 if (!rdev
->ops
->dump_survey
) {
6566 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6572 /* Survey without a channel doesn't make sense */
6573 if (!survey
.channel
) {
6578 if (survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
6583 if (nl80211_send_survey(skb
,
6584 NETLINK_CB(cb
->skb
).portid
,
6585 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6586 wdev
->netdev
, &survey
) < 0)
6592 cb
->args
[2] = survey_idx
;
6595 nl80211_finish_wdev_dump(rdev
);
6599 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6601 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6602 NL80211_WPA_VERSION_2
));
6605 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6607 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6608 struct net_device
*dev
= info
->user_ptr
[1];
6609 struct ieee80211_channel
*chan
;
6610 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6611 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6612 enum nl80211_auth_type auth_type
;
6613 struct key_parse key
;
6614 bool local_state_change
;
6616 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6619 if (!info
->attrs
[NL80211_ATTR_MAC
])
6622 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6625 if (!info
->attrs
[NL80211_ATTR_SSID
])
6628 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6631 err
= nl80211_parse_key(info
, &key
);
6636 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6638 if (!key
.p
.key
|| !key
.p
.key_len
)
6640 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6641 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6642 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6643 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6655 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6656 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6665 if (!rdev
->ops
->auth
)
6668 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6669 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6672 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6673 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6674 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6678 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6679 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6681 if (info
->attrs
[NL80211_ATTR_IE
]) {
6682 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6683 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6686 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6687 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6690 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6691 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6694 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6695 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6697 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6698 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6699 /* need to include at least Auth Transaction and Status Code */
6700 if (sae_data_len
< 4)
6704 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6707 * Since we no longer track auth state, ignore
6708 * requests to only change local state.
6710 if (local_state_change
)
6713 wdev_lock(dev
->ieee80211_ptr
);
6714 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6715 ssid
, ssid_len
, ie
, ie_len
,
6716 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6717 sae_data
, sae_data_len
);
6718 wdev_unlock(dev
->ieee80211_ptr
);
6722 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6723 struct genl_info
*info
,
6724 struct cfg80211_crypto_settings
*settings
,
6727 memset(settings
, 0, sizeof(*settings
));
6729 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6731 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6733 proto
= nla_get_u16(
6734 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6735 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6736 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6739 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6740 settings
->control_port_no_encrypt
= true;
6742 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6744 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6748 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6749 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6750 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6752 if (len
% sizeof(u32
))
6755 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6758 memcpy(settings
->ciphers_pairwise
, data
, len
);
6760 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6761 if (!cfg80211_supported_cipher_suite(
6763 settings
->ciphers_pairwise
[i
]))
6767 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6768 settings
->cipher_group
=
6769 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6770 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6771 settings
->cipher_group
))
6775 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6776 settings
->wpa_versions
=
6777 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6778 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6782 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6786 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6787 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6788 settings
->n_akm_suites
= len
/ sizeof(u32
);
6790 if (len
% sizeof(u32
))
6793 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6796 memcpy(settings
->akm_suites
, data
, len
);
6802 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6804 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6805 struct net_device
*dev
= info
->user_ptr
[1];
6806 struct ieee80211_channel
*chan
;
6807 struct cfg80211_assoc_request req
= {};
6808 const u8
*bssid
, *ssid
;
6809 int err
, ssid_len
= 0;
6811 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6814 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6815 !info
->attrs
[NL80211_ATTR_SSID
] ||
6816 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6819 if (!rdev
->ops
->assoc
)
6822 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6823 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6826 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6828 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6829 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6833 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6834 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6836 if (info
->attrs
[NL80211_ATTR_IE
]) {
6837 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6838 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6841 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6842 enum nl80211_mfp mfp
=
6843 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6844 if (mfp
== NL80211_MFP_REQUIRED
)
6846 else if (mfp
!= NL80211_MFP_NO
)
6850 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6851 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6853 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6854 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6856 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6857 memcpy(&req
.ht_capa_mask
,
6858 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6859 sizeof(req
.ht_capa_mask
));
6861 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6862 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6864 memcpy(&req
.ht_capa
,
6865 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6866 sizeof(req
.ht_capa
));
6869 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6870 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6872 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6873 memcpy(&req
.vht_capa_mask
,
6874 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6875 sizeof(req
.vht_capa_mask
));
6877 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6878 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6880 memcpy(&req
.vht_capa
,
6881 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6882 sizeof(req
.vht_capa
));
6885 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
6886 if (!(rdev
->wiphy
.features
&
6887 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
6888 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
6890 req
.flags
|= ASSOC_REQ_USE_RRM
;
6893 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6895 wdev_lock(dev
->ieee80211_ptr
);
6896 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6897 ssid
, ssid_len
, &req
);
6898 wdev_unlock(dev
->ieee80211_ptr
);
6904 static int nl80211_deauthenticate(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 const u8
*ie
= NULL
, *bssid
;
6909 int ie_len
= 0, err
;
6911 bool local_state_change
;
6913 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6916 if (!info
->attrs
[NL80211_ATTR_MAC
])
6919 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6922 if (!rdev
->ops
->deauth
)
6925 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6926 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6929 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6931 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6932 if (reason_code
== 0) {
6933 /* Reason Code 0 is reserved */
6937 if (info
->attrs
[NL80211_ATTR_IE
]) {
6938 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6939 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6942 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6944 wdev_lock(dev
->ieee80211_ptr
);
6945 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6946 local_state_change
);
6947 wdev_unlock(dev
->ieee80211_ptr
);
6951 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6953 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6954 struct net_device
*dev
= info
->user_ptr
[1];
6955 const u8
*ie
= NULL
, *bssid
;
6956 int ie_len
= 0, err
;
6958 bool local_state_change
;
6960 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6963 if (!info
->attrs
[NL80211_ATTR_MAC
])
6966 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6969 if (!rdev
->ops
->disassoc
)
6972 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6973 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6976 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6978 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6979 if (reason_code
== 0) {
6980 /* Reason Code 0 is reserved */
6984 if (info
->attrs
[NL80211_ATTR_IE
]) {
6985 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6986 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6989 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6991 wdev_lock(dev
->ieee80211_ptr
);
6992 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6993 local_state_change
);
6994 wdev_unlock(dev
->ieee80211_ptr
);
6999 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
7000 int mcast_rate
[IEEE80211_NUM_BANDS
],
7003 struct wiphy
*wiphy
= &rdev
->wiphy
;
7007 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
7008 struct ieee80211_supported_band
*sband
;
7010 sband
= wiphy
->bands
[band
];
7014 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7015 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7016 mcast_rate
[band
] = i
+ 1;
7026 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7028 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7029 struct net_device
*dev
= info
->user_ptr
[1];
7030 struct cfg80211_ibss_params ibss
;
7031 struct wiphy
*wiphy
;
7032 struct cfg80211_cached_keys
*connkeys
= NULL
;
7035 memset(&ibss
, 0, sizeof(ibss
));
7037 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7040 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7041 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7044 ibss
.beacon_interval
= 100;
7046 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7047 ibss
.beacon_interval
=
7048 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7049 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7053 if (!rdev
->ops
->join_ibss
)
7056 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7059 wiphy
= &rdev
->wiphy
;
7061 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7062 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7064 if (!is_valid_ether_addr(ibss
.bssid
))
7067 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7068 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7070 if (info
->attrs
[NL80211_ATTR_IE
]) {
7071 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7072 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7075 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7079 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7080 NL80211_IFTYPE_ADHOC
))
7083 switch (ibss
.chandef
.width
) {
7084 case NL80211_CHAN_WIDTH_5
:
7085 case NL80211_CHAN_WIDTH_10
:
7086 case NL80211_CHAN_WIDTH_20_NOHT
:
7088 case NL80211_CHAN_WIDTH_20
:
7089 case NL80211_CHAN_WIDTH_40
:
7090 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
7096 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7097 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7099 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7101 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7103 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7104 struct ieee80211_supported_band
*sband
=
7105 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7107 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7113 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7114 memcpy(&ibss
.ht_capa_mask
,
7115 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7116 sizeof(ibss
.ht_capa_mask
));
7118 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7119 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7121 memcpy(&ibss
.ht_capa
,
7122 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7123 sizeof(ibss
.ht_capa
));
7126 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7127 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7128 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7131 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7134 connkeys
= nl80211_parse_connkeys(rdev
,
7135 info
->attrs
[NL80211_ATTR_KEYS
],
7137 if (IS_ERR(connkeys
))
7138 return PTR_ERR(connkeys
);
7140 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7148 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7150 ibss
.userspace_handles_dfs
=
7151 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7153 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7159 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7161 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7162 struct net_device
*dev
= info
->user_ptr
[1];
7164 if (!rdev
->ops
->leave_ibss
)
7167 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7170 return cfg80211_leave_ibss(rdev
, dev
, false);
7173 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7175 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7176 struct net_device
*dev
= info
->user_ptr
[1];
7177 int mcast_rate
[IEEE80211_NUM_BANDS
];
7181 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7182 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
7185 if (!rdev
->ops
->set_mcast_rate
)
7188 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7190 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7193 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7194 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7197 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7202 static struct sk_buff
*
7203 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7204 int approxlen
, u32 portid
, u32 seq
,
7205 enum nl80211_commands cmd
,
7206 enum nl80211_attrs attr
,
7207 const struct nl80211_vendor_cmd_info
*info
,
7210 struct sk_buff
*skb
;
7212 struct nlattr
*data
;
7214 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7218 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7224 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7225 goto nla_put_failure
;
7228 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7230 goto nla_put_failure
;
7231 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7233 goto nla_put_failure
;
7236 data
= nla_nest_start(skb
, attr
);
7238 ((void **)skb
->cb
)[0] = rdev
;
7239 ((void **)skb
->cb
)[1] = hdr
;
7240 ((void **)skb
->cb
)[2] = data
;
7249 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7250 enum nl80211_commands cmd
,
7251 enum nl80211_attrs attr
,
7252 int vendor_event_idx
,
7253 int approxlen
, gfp_t gfp
)
7255 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7256 const struct nl80211_vendor_cmd_info
*info
;
7259 case NL80211_CMD_TESTMODE
:
7260 if (WARN_ON(vendor_event_idx
!= -1))
7264 case NL80211_CMD_VENDOR
:
7265 if (WARN_ON(vendor_event_idx
< 0 ||
7266 vendor_event_idx
>= wiphy
->n_vendor_events
))
7268 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7275 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7276 cmd
, attr
, info
, gfp
);
7278 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7280 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7282 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7283 void *hdr
= ((void **)skb
->cb
)[1];
7284 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7285 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7287 /* clear CB data for netlink core to own from now on */
7288 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7290 nla_nest_end(skb
, data
);
7291 genlmsg_end(skb
, hdr
);
7293 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7294 mcgrp
= NL80211_MCGRP_VENDOR
;
7296 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7299 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7301 #ifdef CONFIG_NL80211_TESTMODE
7302 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7304 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7305 struct wireless_dev
*wdev
=
7306 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7309 if (!rdev
->ops
->testmode_cmd
)
7313 err
= PTR_ERR(wdev
);
7317 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7321 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7324 rdev
->cur_cmd_info
= info
;
7325 err
= rdev_testmode_cmd(rdev
, wdev
,
7326 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7327 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7328 rdev
->cur_cmd_info
= NULL
;
7333 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7334 struct netlink_callback
*cb
)
7336 struct cfg80211_registered_device
*rdev
;
7346 * 0 is a valid index, but not valid for args[0],
7347 * so we need to offset by 1.
7349 phy_idx
= cb
->args
[0] - 1;
7351 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7352 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7357 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7358 nl80211_fam
.attrbuf
);
7360 err
= PTR_ERR(rdev
);
7363 phy_idx
= rdev
->wiphy_idx
;
7366 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7368 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7372 data
= nla_data((void *)cb
->args
[1]);
7373 data_len
= nla_len((void *)cb
->args
[1]);
7376 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7382 if (!rdev
->ops
->testmode_dump
) {
7388 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7389 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7390 NL80211_CMD_TESTMODE
);
7391 struct nlattr
*tmdata
;
7396 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7397 genlmsg_cancel(skb
, hdr
);
7401 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7403 genlmsg_cancel(skb
, hdr
);
7406 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7407 nla_nest_end(skb
, tmdata
);
7409 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7410 genlmsg_cancel(skb
, hdr
);
7413 genlmsg_cancel(skb
, hdr
);
7417 genlmsg_end(skb
, hdr
);
7422 cb
->args
[0] = phy_idx
+ 1;
7429 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7431 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7432 struct net_device
*dev
= info
->user_ptr
[1];
7433 struct cfg80211_connect_params connect
;
7434 struct wiphy
*wiphy
;
7435 struct cfg80211_cached_keys
*connkeys
= NULL
;
7438 memset(&connect
, 0, sizeof(connect
));
7440 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7443 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7444 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7447 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7449 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7450 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7451 NL80211_CMD_CONNECT
))
7454 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7456 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7458 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7459 NL80211_MAX_NR_CIPHER_SUITES
);
7463 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7464 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7467 wiphy
= &rdev
->wiphy
;
7469 connect
.bg_scan_period
= -1;
7470 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7471 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7472 connect
.bg_scan_period
=
7473 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7476 if (info
->attrs
[NL80211_ATTR_MAC
])
7477 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7478 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7479 connect
.bssid_hint
=
7480 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7481 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7482 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7484 if (info
->attrs
[NL80211_ATTR_IE
]) {
7485 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7486 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7489 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7490 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7491 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7492 connect
.mfp
!= NL80211_MFP_NO
)
7495 connect
.mfp
= NL80211_MFP_NO
;
7498 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7499 connect
.channel
= nl80211_get_valid_chan(
7500 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7501 if (!connect
.channel
)
7503 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7504 connect
.channel_hint
= nl80211_get_valid_chan(
7505 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7506 if (!connect
.channel_hint
)
7510 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7511 connkeys
= nl80211_parse_connkeys(rdev
,
7512 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7513 if (IS_ERR(connkeys
))
7514 return PTR_ERR(connkeys
);
7517 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7518 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7520 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7521 memcpy(&connect
.ht_capa_mask
,
7522 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7523 sizeof(connect
.ht_capa_mask
));
7525 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7526 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7530 memcpy(&connect
.ht_capa
,
7531 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7532 sizeof(connect
.ht_capa
));
7535 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7536 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7538 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7539 memcpy(&connect
.vht_capa_mask
,
7540 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7541 sizeof(connect
.vht_capa_mask
));
7543 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7544 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7548 memcpy(&connect
.vht_capa
,
7549 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7550 sizeof(connect
.vht_capa
));
7553 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7554 if (!(rdev
->wiphy
.features
&
7555 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7556 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7558 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7561 wdev_lock(dev
->ieee80211_ptr
);
7562 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7563 wdev_unlock(dev
->ieee80211_ptr
);
7569 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7571 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7572 struct net_device
*dev
= info
->user_ptr
[1];
7576 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7577 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7579 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7584 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7585 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7588 wdev_lock(dev
->ieee80211_ptr
);
7589 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7590 wdev_unlock(dev
->ieee80211_ptr
);
7594 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7596 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7601 if (!info
->attrs
[NL80211_ATTR_PID
])
7604 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7606 net
= get_net_ns_by_pid(pid
);
7608 return PTR_ERR(net
);
7612 /* check if anything to do */
7613 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7614 err
= cfg80211_switch_netns(rdev
, net
);
7620 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7622 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7623 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7624 struct cfg80211_pmksa
*pmksa
) = NULL
;
7625 struct net_device
*dev
= info
->user_ptr
[1];
7626 struct cfg80211_pmksa pmksa
;
7628 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7630 if (!info
->attrs
[NL80211_ATTR_MAC
])
7633 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7636 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7637 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7639 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7640 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7643 switch (info
->genlhdr
->cmd
) {
7644 case NL80211_CMD_SET_PMKSA
:
7645 rdev_ops
= rdev
->ops
->set_pmksa
;
7647 case NL80211_CMD_DEL_PMKSA
:
7648 rdev_ops
= rdev
->ops
->del_pmksa
;
7658 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7661 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7663 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7664 struct net_device
*dev
= info
->user_ptr
[1];
7666 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7667 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7670 if (!rdev
->ops
->flush_pmksa
)
7673 return rdev_flush_pmksa(rdev
, dev
);
7676 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7678 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7679 struct net_device
*dev
= info
->user_ptr
[1];
7680 u8 action_code
, dialog_token
;
7681 u32 peer_capability
= 0;
7686 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7687 !rdev
->ops
->tdls_mgmt
)
7690 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7691 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7692 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7693 !info
->attrs
[NL80211_ATTR_IE
] ||
7694 !info
->attrs
[NL80211_ATTR_MAC
])
7697 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7698 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7699 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7700 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7701 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7702 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7704 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7706 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7707 dialog_token
, status_code
, peer_capability
,
7709 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7710 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7713 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7715 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7716 struct net_device
*dev
= info
->user_ptr
[1];
7717 enum nl80211_tdls_operation operation
;
7720 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7721 !rdev
->ops
->tdls_oper
)
7724 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7725 !info
->attrs
[NL80211_ATTR_MAC
])
7728 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7729 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7731 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7734 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7735 struct genl_info
*info
)
7737 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7738 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7739 struct cfg80211_chan_def chandef
;
7740 struct sk_buff
*msg
;
7746 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7747 !info
->attrs
[NL80211_ATTR_DURATION
])
7750 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7752 if (!rdev
->ops
->remain_on_channel
||
7753 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7757 * We should be on that channel for at least a minimum amount of
7758 * time (10ms) but no longer than the driver supports.
7760 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7761 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7764 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7768 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7772 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7773 NL80211_CMD_REMAIN_ON_CHANNEL
);
7779 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7785 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7786 goto nla_put_failure
;
7788 genlmsg_end(msg
, hdr
);
7790 return genlmsg_reply(msg
, info
);
7799 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7800 struct genl_info
*info
)
7802 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7803 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7806 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7809 if (!rdev
->ops
->cancel_remain_on_channel
)
7812 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7814 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7817 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7818 u8
*rates
, u8 rates_len
)
7823 for (i
= 0; i
< rates_len
; i
++) {
7824 int rate
= (rates
[i
] & 0x7f) * 5;
7826 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7827 struct ieee80211_rate
*srate
=
7828 &sband
->bitrates
[ridx
];
7829 if (rate
== srate
->bitrate
) {
7834 if (ridx
== sband
->n_bitrates
)
7835 return 0; /* rate not found */
7841 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7842 u8
*rates
, u8 rates_len
,
7843 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7847 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7849 for (i
= 0; i
< rates_len
; i
++) {
7852 ridx
= rates
[i
] / 8;
7853 rbit
= BIT(rates
[i
] % 8);
7855 /* check validity */
7856 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7859 /* check availability */
7860 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7869 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7873 switch (vht_mcs_map
) {
7874 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7876 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7879 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7882 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7892 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7893 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7897 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7898 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7903 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7904 struct nl80211_txrate_vht
*txrate
,
7905 u16 mcs
[NL80211_VHT_NSS_MAX
])
7907 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7908 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7911 if (!sband
->vht_cap
.vht_supported
)
7914 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7916 /* Build vht_mcs_mask from VHT capabilities */
7917 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7919 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7920 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7921 mcs
[i
] = txrate
->mcs
[i
];
7929 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7930 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7931 .len
= NL80211_MAX_SUPP_RATES
},
7932 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7933 .len
= NL80211_MAX_SUPP_HT_RATES
},
7934 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7935 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
7938 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7939 struct genl_info
*info
)
7941 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7942 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7943 struct cfg80211_bitrate_mask mask
;
7945 struct net_device
*dev
= info
->user_ptr
[1];
7946 struct nlattr
*tx_rates
;
7947 struct ieee80211_supported_band
*sband
;
7950 if (!rdev
->ops
->set_bitrate_mask
)
7953 memset(&mask
, 0, sizeof(mask
));
7954 /* Default to all rates enabled */
7955 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7956 sband
= rdev
->wiphy
.bands
[i
];
7961 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7962 memcpy(mask
.control
[i
].ht_mcs
,
7963 sband
->ht_cap
.mcs
.rx_mask
,
7964 sizeof(mask
.control
[i
].ht_mcs
));
7966 if (!sband
->vht_cap
.vht_supported
)
7969 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7970 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7973 /* if no rates are given set it back to the defaults */
7974 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7978 * The nested attribute uses enum nl80211_band as the index. This maps
7979 * directly to the enum ieee80211_band values used in cfg80211.
7981 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7982 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
7983 enum ieee80211_band band
= nla_type(tx_rates
);
7986 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7988 sband
= rdev
->wiphy
.bands
[band
];
7991 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7992 nla_len(tx_rates
), nl80211_txattr_policy
);
7995 if (tb
[NL80211_TXRATE_LEGACY
]) {
7996 mask
.control
[band
].legacy
= rateset_to_mask(
7998 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7999 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
8000 if ((mask
.control
[band
].legacy
== 0) &&
8001 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8004 if (tb
[NL80211_TXRATE_HT
]) {
8005 if (!ht_rateset_to_mask(
8007 nla_data(tb
[NL80211_TXRATE_HT
]),
8008 nla_len(tb
[NL80211_TXRATE_HT
]),
8009 mask
.control
[band
].ht_mcs
))
8012 if (tb
[NL80211_TXRATE_VHT
]) {
8013 if (!vht_set_mcs_mask(
8015 nla_data(tb
[NL80211_TXRATE_VHT
]),
8016 mask
.control
[band
].vht_mcs
))
8019 if (tb
[NL80211_TXRATE_GI
]) {
8020 mask
.control
[band
].gi
=
8021 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8022 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8026 if (mask
.control
[band
].legacy
== 0) {
8027 /* don't allow empty legacy rates if HT or VHT
8028 * are not even supported.
8030 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8031 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8034 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8035 if (mask
.control
[band
].ht_mcs
[i
])
8038 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8039 if (mask
.control
[band
].vht_mcs
[i
])
8042 /* legacy and mcs rates may not be both empty */
8048 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8051 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8053 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8054 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8055 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8057 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8060 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8061 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8063 switch (wdev
->iftype
) {
8064 case NL80211_IFTYPE_STATION
:
8065 case NL80211_IFTYPE_ADHOC
:
8066 case NL80211_IFTYPE_P2P_CLIENT
:
8067 case NL80211_IFTYPE_AP
:
8068 case NL80211_IFTYPE_AP_VLAN
:
8069 case NL80211_IFTYPE_MESH_POINT
:
8070 case NL80211_IFTYPE_P2P_GO
:
8071 case NL80211_IFTYPE_P2P_DEVICE
:
8077 /* not much point in registering if we can't reply */
8078 if (!rdev
->ops
->mgmt_tx
)
8081 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8082 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8083 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8086 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8088 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8089 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8090 struct cfg80211_chan_def chandef
;
8094 struct sk_buff
*msg
= NULL
;
8095 struct cfg80211_mgmt_tx_params params
= {
8096 .dont_wait_for_ack
=
8097 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8100 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8103 if (!rdev
->ops
->mgmt_tx
)
8106 switch (wdev
->iftype
) {
8107 case NL80211_IFTYPE_P2P_DEVICE
:
8108 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8110 case NL80211_IFTYPE_STATION
:
8111 case NL80211_IFTYPE_ADHOC
:
8112 case NL80211_IFTYPE_P2P_CLIENT
:
8113 case NL80211_IFTYPE_AP
:
8114 case NL80211_IFTYPE_AP_VLAN
:
8115 case NL80211_IFTYPE_MESH_POINT
:
8116 case NL80211_IFTYPE_P2P_GO
:
8122 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8123 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8125 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8128 * We should wait on the channel for at least a minimum amount
8129 * of time (10ms) but no longer than the driver supports.
8131 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8132 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8137 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8139 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8142 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8144 /* get the channel if any has been specified, otherwise pass NULL to
8145 * the driver. The latter will use the current one
8147 chandef
.chan
= NULL
;
8148 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8149 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8154 if (!chandef
.chan
&& params
.offchan
)
8157 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8158 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8160 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8161 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8164 if (len
% sizeof(u16
))
8167 params
.n_csa_offsets
= len
/ sizeof(u16
);
8168 params
.csa_offsets
=
8169 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8171 /* check that all the offsets fit the frame */
8172 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8173 if (params
.csa_offsets
[i
] >= params
.len
)
8178 if (!params
.dont_wait_for_ack
) {
8179 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8183 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8191 params
.chan
= chandef
.chan
;
8192 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8197 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8198 goto nla_put_failure
;
8200 genlmsg_end(msg
, hdr
);
8201 return genlmsg_reply(msg
, info
);
8213 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8215 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8216 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8219 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8222 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8225 switch (wdev
->iftype
) {
8226 case NL80211_IFTYPE_STATION
:
8227 case NL80211_IFTYPE_ADHOC
:
8228 case NL80211_IFTYPE_P2P_CLIENT
:
8229 case NL80211_IFTYPE_AP
:
8230 case NL80211_IFTYPE_AP_VLAN
:
8231 case NL80211_IFTYPE_P2P_GO
:
8232 case NL80211_IFTYPE_P2P_DEVICE
:
8238 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8240 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8243 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8245 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8246 struct wireless_dev
*wdev
;
8247 struct net_device
*dev
= info
->user_ptr
[1];
8252 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8255 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8257 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8260 wdev
= dev
->ieee80211_ptr
;
8262 if (!rdev
->ops
->set_power_mgmt
)
8265 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8267 if (state
== wdev
->ps
)
8270 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8276 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8278 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8279 enum nl80211_ps_state ps_state
;
8280 struct wireless_dev
*wdev
;
8281 struct net_device
*dev
= info
->user_ptr
[1];
8282 struct sk_buff
*msg
;
8286 wdev
= dev
->ieee80211_ptr
;
8288 if (!rdev
->ops
->set_power_mgmt
)
8291 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8295 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8296 NL80211_CMD_GET_POWER_SAVE
);
8303 ps_state
= NL80211_PS_ENABLED
;
8305 ps_state
= NL80211_PS_DISABLED
;
8307 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8308 goto nla_put_failure
;
8310 genlmsg_end(msg
, hdr
);
8311 return genlmsg_reply(msg
, info
);
8320 static const struct nla_policy
8321 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8322 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8323 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8324 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8325 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8326 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8327 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8330 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8331 u32 rate
, u32 pkts
, u32 intvl
)
8333 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8334 struct net_device
*dev
= info
->user_ptr
[1];
8335 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8337 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8340 if (!rdev
->ops
->set_cqm_txe_config
)
8343 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8344 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8347 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8350 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8351 s32 threshold
, u32 hysteresis
)
8353 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8354 struct net_device
*dev
= info
->user_ptr
[1];
8355 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8360 /* disabling - hysteresis should also be zero then */
8364 if (!rdev
->ops
->set_cqm_rssi_config
)
8367 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8368 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8371 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8374 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8376 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8380 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8384 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8385 nl80211_attr_cqm_policy
);
8389 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8390 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8391 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8392 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8394 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8397 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8398 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8399 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8400 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8401 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8402 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8404 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8410 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8412 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8413 struct net_device
*dev
= info
->user_ptr
[1];
8414 struct ocb_setup setup
= {};
8417 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8421 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8424 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8426 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8427 struct net_device
*dev
= info
->user_ptr
[1];
8429 return cfg80211_leave_ocb(rdev
, dev
);
8432 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8434 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8435 struct net_device
*dev
= info
->user_ptr
[1];
8436 struct mesh_config cfg
;
8437 struct mesh_setup setup
;
8440 /* start with default */
8441 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8442 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8444 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8445 /* and parse parameters if given */
8446 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8451 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8452 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8455 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8456 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8458 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8459 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8460 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8463 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8464 setup
.beacon_interval
=
8465 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8466 if (setup
.beacon_interval
< 10 ||
8467 setup
.beacon_interval
> 10000)
8471 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8473 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8474 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8478 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8479 /* parse additional setup parameters if given */
8480 err
= nl80211_parse_mesh_setup(info
, &setup
);
8486 cfg
.auto_open_plinks
= false;
8488 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8489 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8493 /* cfg80211_join_mesh() will sort it out */
8494 setup
.chandef
.chan
= NULL
;
8497 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8498 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8500 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8501 struct ieee80211_supported_band
*sband
;
8503 if (!setup
.chandef
.chan
)
8506 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8508 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8509 &setup
.basic_rates
);
8514 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8517 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8519 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8520 struct net_device
*dev
= info
->user_ptr
[1];
8522 return cfg80211_leave_mesh(rdev
, dev
);
8526 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8527 struct cfg80211_registered_device
*rdev
)
8529 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8530 struct nlattr
*nl_pats
, *nl_pat
;
8533 if (!wowlan
->n_patterns
)
8536 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8540 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8541 nl_pat
= nla_nest_start(msg
, i
+ 1);
8544 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8545 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8546 wowlan
->patterns
[i
].mask
) ||
8547 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8548 wowlan
->patterns
[i
].pattern
) ||
8549 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8550 wowlan
->patterns
[i
].pkt_offset
))
8552 nla_nest_end(msg
, nl_pat
);
8554 nla_nest_end(msg
, nl_pats
);
8559 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8560 struct cfg80211_wowlan_tcp
*tcp
)
8562 struct nlattr
*nl_tcp
;
8567 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8571 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8572 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8573 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8574 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8575 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8576 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8577 tcp
->payload_len
, tcp
->payload
) ||
8578 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8579 tcp
->data_interval
) ||
8580 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8581 tcp
->wake_len
, tcp
->wake_data
) ||
8582 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8583 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8586 if (tcp
->payload_seq
.len
&&
8587 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8588 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8591 if (tcp
->payload_tok
.len
&&
8592 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8593 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8597 nla_nest_end(msg
, nl_tcp
);
8602 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8604 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8605 struct sk_buff
*msg
;
8607 u32 size
= NLMSG_DEFAULT_SIZE
;
8609 if (!rdev
->wiphy
.wowlan
)
8612 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8613 /* adjust size to have room for all the data */
8614 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8615 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8616 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8617 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8620 msg
= nlmsg_new(size
, GFP_KERNEL
);
8624 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8625 NL80211_CMD_GET_WOWLAN
);
8627 goto nla_put_failure
;
8629 if (rdev
->wiphy
.wowlan_config
) {
8630 struct nlattr
*nl_wowlan
;
8632 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8634 goto nla_put_failure
;
8636 if ((rdev
->wiphy
.wowlan_config
->any
&&
8637 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8638 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8639 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8640 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8641 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8642 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8643 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8644 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8645 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8646 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8647 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8648 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8649 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8650 goto nla_put_failure
;
8652 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8653 goto nla_put_failure
;
8655 if (nl80211_send_wowlan_tcp(msg
,
8656 rdev
->wiphy
.wowlan_config
->tcp
))
8657 goto nla_put_failure
;
8659 nla_nest_end(msg
, nl_wowlan
);
8662 genlmsg_end(msg
, hdr
);
8663 return genlmsg_reply(msg
, info
);
8670 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8671 struct nlattr
*attr
,
8672 struct cfg80211_wowlan
*trig
)
8674 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8675 struct cfg80211_wowlan_tcp
*cfg
;
8676 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8677 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8679 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8682 if (!rdev
->wiphy
.wowlan
->tcp
)
8685 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8686 nla_data(attr
), nla_len(attr
),
8687 nl80211_wowlan_tcp_policy
);
8691 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8692 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8693 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8694 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8695 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8696 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8697 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8698 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8701 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8702 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8705 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8706 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8707 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8710 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8711 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8714 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8715 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8718 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8719 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8721 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8722 tokens_size
= tokln
- sizeof(*tok
);
8724 if (!tok
->len
|| tokens_size
% tok
->len
)
8726 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8728 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8730 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8732 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8734 if (tok
->offset
+ tok
->len
> data_size
)
8738 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8739 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8740 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8742 if (seq
->len
== 0 || seq
->len
> 4)
8744 if (seq
->len
+ seq
->offset
> data_size
)
8748 size
= sizeof(*cfg
);
8750 size
+= wake_size
+ wake_mask_size
;
8751 size
+= tokens_size
;
8753 cfg
= kzalloc(size
, GFP_KERNEL
);
8756 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8757 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8758 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8760 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8761 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8765 /* allocate a socket and port for it and use it */
8766 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8767 IPPROTO_TCP
, &cfg
->sock
, 1);
8772 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8773 sock_release(cfg
->sock
);
8777 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8783 cfg
->src_port
= port
;
8786 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8787 cfg
->payload_len
= data_size
;
8788 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8789 memcpy((void *)cfg
->payload
,
8790 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8793 cfg
->payload_seq
= *seq
;
8794 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8795 cfg
->wake_len
= wake_size
;
8796 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8797 memcpy((void *)cfg
->wake_data
,
8798 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8800 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8801 data_size
+ wake_size
;
8802 memcpy((void *)cfg
->wake_mask
,
8803 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8806 cfg
->tokens_size
= tokens_size
;
8807 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8815 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
8816 const struct wiphy_wowlan_support
*wowlan
,
8817 struct nlattr
*attr
,
8818 struct cfg80211_wowlan
*trig
)
8823 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
8827 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
8832 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
8833 nla_data(attr
), nla_len(attr
),
8838 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
8839 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
8841 trig
->nd_config
= NULL
;
8848 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8850 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8851 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8852 struct cfg80211_wowlan new_triggers
= {};
8853 struct cfg80211_wowlan
*ntrig
;
8854 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8856 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8861 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8862 cfg80211_rdev_free_wowlan(rdev
);
8863 rdev
->wiphy
.wowlan_config
= NULL
;
8867 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8868 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8869 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8870 nl80211_wowlan_policy
);
8874 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8875 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8877 new_triggers
.any
= true;
8880 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8881 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8883 new_triggers
.disconnect
= true;
8886 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8887 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8889 new_triggers
.magic_pkt
= true;
8892 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8895 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8896 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8898 new_triggers
.gtk_rekey_failure
= true;
8901 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8902 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8904 new_triggers
.eap_identity_req
= true;
8907 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8908 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8910 new_triggers
.four_way_handshake
= true;
8913 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8914 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8916 new_triggers
.rfkill_release
= true;
8919 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8922 int rem
, pat_len
, mask_len
, pkt_offset
;
8923 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8925 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8928 if (n_patterns
> wowlan
->n_patterns
)
8931 new_triggers
.patterns
= kcalloc(n_patterns
,
8932 sizeof(new_triggers
.patterns
[0]),
8934 if (!new_triggers
.patterns
)
8937 new_triggers
.n_patterns
= n_patterns
;
8940 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8944 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8945 nla_len(pat
), NULL
);
8947 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8948 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8950 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8951 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8952 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8954 if (pat_len
> wowlan
->pattern_max_len
||
8955 pat_len
< wowlan
->pattern_min_len
)
8958 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8961 pkt_offset
= nla_get_u32(
8962 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8963 if (pkt_offset
> wowlan
->max_pkt_offset
)
8965 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8967 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8972 new_triggers
.patterns
[i
].mask
= mask_pat
;
8973 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8975 mask_pat
+= mask_len
;
8976 new_triggers
.patterns
[i
].pattern
= mask_pat
;
8977 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8979 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8985 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8986 err
= nl80211_parse_wowlan_tcp(
8987 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8993 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
8994 err
= nl80211_parse_wowlan_nd(
8995 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9001 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9006 cfg80211_rdev_free_wowlan(rdev
);
9007 rdev
->wiphy
.wowlan_config
= ntrig
;
9010 if (rdev
->ops
->set_wakeup
&&
9011 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9012 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9016 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9017 kfree(new_triggers
.patterns
[i
].mask
);
9018 kfree(new_triggers
.patterns
);
9019 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9020 sock_release(new_triggers
.tcp
->sock
);
9021 kfree(new_triggers
.tcp
);
9026 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9027 struct cfg80211_registered_device
*rdev
)
9029 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9031 struct cfg80211_coalesce_rules
*rule
;
9033 if (!rdev
->coalesce
->n_rules
)
9036 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9040 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9041 nl_rule
= nla_nest_start(msg
, i
+ 1);
9045 rule
= &rdev
->coalesce
->rules
[i
];
9046 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9050 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9054 nl_pats
= nla_nest_start(msg
,
9055 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9059 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9060 nl_pat
= nla_nest_start(msg
, j
+ 1);
9063 pat_len
= rule
->patterns
[j
].pattern_len
;
9064 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9065 DIV_ROUND_UP(pat_len
, 8),
9066 rule
->patterns
[j
].mask
) ||
9067 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9068 rule
->patterns
[j
].pattern
) ||
9069 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9070 rule
->patterns
[j
].pkt_offset
))
9072 nla_nest_end(msg
, nl_pat
);
9074 nla_nest_end(msg
, nl_pats
);
9075 nla_nest_end(msg
, nl_rule
);
9077 nla_nest_end(msg
, nl_rules
);
9082 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9084 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9085 struct sk_buff
*msg
;
9088 if (!rdev
->wiphy
.coalesce
)
9091 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9095 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9096 NL80211_CMD_GET_COALESCE
);
9098 goto nla_put_failure
;
9100 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9101 goto nla_put_failure
;
9103 genlmsg_end(msg
, hdr
);
9104 return genlmsg_reply(msg
, info
);
9111 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9113 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9115 struct cfg80211_coalesce_rules
*rule
;
9120 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9121 rule
= &coalesce
->rules
[i
];
9122 for (j
= 0; j
< rule
->n_patterns
; j
++)
9123 kfree(rule
->patterns
[j
].mask
);
9124 kfree(rule
->patterns
);
9126 kfree(coalesce
->rules
);
9128 rdev
->coalesce
= NULL
;
9131 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9132 struct nlattr
*rule
,
9133 struct cfg80211_coalesce_rules
*new_rule
)
9136 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9137 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9138 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9139 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9141 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9142 nla_len(rule
), nl80211_coalesce_policy
);
9146 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9148 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9149 if (new_rule
->delay
> coalesce
->max_delay
)
9152 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9153 new_rule
->condition
=
9154 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9155 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9156 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9159 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9162 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9165 if (n_patterns
> coalesce
->n_patterns
)
9168 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9170 if (!new_rule
->patterns
)
9173 new_rule
->n_patterns
= n_patterns
;
9176 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9180 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9181 nla_len(pat
), NULL
);
9182 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9183 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9185 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9186 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9187 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9189 if (pat_len
> coalesce
->pattern_max_len
||
9190 pat_len
< coalesce
->pattern_min_len
)
9193 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9196 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9197 if (pkt_offset
> coalesce
->max_pkt_offset
)
9199 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9201 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9205 new_rule
->patterns
[i
].mask
= mask_pat
;
9206 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9209 mask_pat
+= mask_len
;
9210 new_rule
->patterns
[i
].pattern
= mask_pat
;
9211 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9212 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9220 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9222 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9223 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9224 struct cfg80211_coalesce new_coalesce
= {};
9225 struct cfg80211_coalesce
*n_coalesce
;
9226 int err
, rem_rule
, n_rules
= 0, i
, j
;
9227 struct nlattr
*rule
;
9228 struct cfg80211_coalesce_rules
*tmp_rule
;
9230 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9233 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9234 cfg80211_rdev_free_coalesce(rdev
);
9235 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9239 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9242 if (n_rules
> coalesce
->n_rules
)
9245 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9247 if (!new_coalesce
.rules
)
9250 new_coalesce
.n_rules
= n_rules
;
9253 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9255 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9256 &new_coalesce
.rules
[i
]);
9263 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9267 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9272 cfg80211_rdev_free_coalesce(rdev
);
9273 rdev
->coalesce
= n_coalesce
;
9277 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9278 tmp_rule
= &new_coalesce
.rules
[i
];
9279 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9280 kfree(tmp_rule
->patterns
[j
].mask
);
9281 kfree(tmp_rule
->patterns
);
9283 kfree(new_coalesce
.rules
);
9288 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9290 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9291 struct net_device
*dev
= info
->user_ptr
[1];
9292 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9293 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9294 struct cfg80211_gtk_rekey_data rekey_data
;
9297 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9300 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9301 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9302 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9303 nl80211_rekey_policy
);
9307 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9309 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9311 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9314 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9315 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9316 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9319 if (!wdev
->current_bss
) {
9324 if (!rdev
->ops
->set_rekey_data
) {
9329 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9335 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9336 struct genl_info
*info
)
9338 struct net_device
*dev
= info
->user_ptr
[1];
9339 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9341 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9342 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9345 if (wdev
->ap_unexpected_nlportid
)
9348 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9352 static int nl80211_probe_client(struct sk_buff
*skb
,
9353 struct genl_info
*info
)
9355 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9356 struct net_device
*dev
= info
->user_ptr
[1];
9357 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9358 struct sk_buff
*msg
;
9364 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9365 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9368 if (!info
->attrs
[NL80211_ATTR_MAC
])
9371 if (!rdev
->ops
->probe_client
)
9374 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9378 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9379 NL80211_CMD_PROBE_CLIENT
);
9385 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9387 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9391 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9392 goto nla_put_failure
;
9394 genlmsg_end(msg
, hdr
);
9396 return genlmsg_reply(msg
, info
);
9405 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9407 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9408 struct cfg80211_beacon_registration
*reg
, *nreg
;
9411 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9414 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9418 /* First, check if already registered. */
9419 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9420 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9421 if (reg
->nlportid
== info
->snd_portid
) {
9426 /* Add it to the list */
9427 nreg
->nlportid
= info
->snd_portid
;
9428 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9430 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9434 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9439 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9441 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9442 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9445 if (!rdev
->ops
->start_p2p_device
)
9448 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9451 if (wdev
->p2p_started
)
9454 if (rfkill_blocked(rdev
->rfkill
))
9457 err
= rdev_start_p2p_device(rdev
, wdev
);
9461 wdev
->p2p_started
= true;
9467 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9469 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9470 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9472 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9475 if (!rdev
->ops
->stop_p2p_device
)
9478 cfg80211_stop_p2p_device(rdev
, wdev
);
9483 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9484 struct genl_info
*info
)
9487 struct sk_buff
*msg
;
9489 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9493 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9494 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9496 goto nla_put_failure
;
9498 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9499 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9500 goto nla_put_failure
;
9502 genlmsg_end(msg
, hdr
);
9503 return genlmsg_reply(msg
, info
);
9510 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9512 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9513 struct cfg80211_update_ft_ies_params ft_params
;
9514 struct net_device
*dev
= info
->user_ptr
[1];
9516 if (!rdev
->ops
->update_ft_ies
)
9519 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9520 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9523 memset(&ft_params
, 0, sizeof(ft_params
));
9524 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9525 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9526 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9528 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9531 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9532 struct genl_info
*info
)
9534 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9535 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9536 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9540 if (!rdev
->ops
->crit_proto_start
)
9543 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9546 if (rdev
->crit_proto_nlportid
)
9549 /* determine protocol if provided */
9550 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9551 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9553 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9556 /* timeout must be provided */
9557 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9561 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9563 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9566 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9568 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9573 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9574 struct genl_info
*info
)
9576 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9577 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9579 if (!rdev
->ops
->crit_proto_stop
)
9582 if (rdev
->crit_proto_nlportid
) {
9583 rdev
->crit_proto_nlportid
= 0;
9584 rdev_crit_proto_stop(rdev
, wdev
);
9589 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9591 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9592 struct wireless_dev
*wdev
=
9593 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9597 if (!rdev
->wiphy
.vendor_commands
)
9601 err
= PTR_ERR(wdev
);
9605 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9609 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9610 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9613 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9614 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9615 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9616 const struct wiphy_vendor_command
*vcmd
;
9620 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9622 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9625 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9626 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9629 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9633 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9635 !netif_running(wdev
->netdev
))
9637 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9644 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9645 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9646 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9649 rdev
->cur_cmd_info
= info
;
9650 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9652 rdev
->cur_cmd_info
= NULL
;
9659 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9660 enum nl80211_commands cmd
,
9661 enum nl80211_attrs attr
,
9664 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9666 if (WARN_ON(!rdev
->cur_cmd_info
))
9669 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9670 rdev
->cur_cmd_info
->snd_portid
,
9671 rdev
->cur_cmd_info
->snd_seq
,
9672 cmd
, attr
, NULL
, GFP_KERNEL
);
9674 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9676 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9678 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9679 void *hdr
= ((void **)skb
->cb
)[1];
9680 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9682 /* clear CB data for netlink core to own from now on */
9683 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9685 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9690 nla_nest_end(skb
, data
);
9691 genlmsg_end(skb
, hdr
);
9692 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9694 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9697 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9698 struct genl_info
*info
)
9700 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9701 struct cfg80211_qos_map
*qos_map
= NULL
;
9702 struct net_device
*dev
= info
->user_ptr
[1];
9703 u8
*pos
, len
, num_des
, des_len
, des
;
9706 if (!rdev
->ops
->set_qos_map
)
9709 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9710 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9711 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9713 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9714 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9717 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9721 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9724 sizeof(struct cfg80211_dscp_exception
);
9725 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9726 qos_map
->num_des
= num_des
;
9727 for (des
= 0; des
< num_des
; des
++) {
9728 if (qos_map
->dscp_exception
[des
].up
> 7) {
9735 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9738 wdev_lock(dev
->ieee80211_ptr
);
9739 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9741 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9742 wdev_unlock(dev
->ieee80211_ptr
);
9748 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9750 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9751 struct net_device
*dev
= info
->user_ptr
[1];
9752 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9755 u16 admitted_time
= 0;
9758 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
9761 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
9762 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
9765 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9766 if (tsid
>= IEEE80211_NUM_TIDS
)
9769 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
9770 if (up
>= IEEE80211_NUM_UPS
)
9773 /* WMM uses TIDs 0-7 even for TSPEC */
9774 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
9775 /* TODO: handle 802.11 TSPEC/admission control
9776 * need more attributes for that (e.g. BA session requirement);
9777 * change the WMM adminssion test above to allow both then
9782 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9784 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
9786 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
9792 switch (wdev
->iftype
) {
9793 case NL80211_IFTYPE_STATION
:
9794 case NL80211_IFTYPE_P2P_CLIENT
:
9795 if (wdev
->current_bss
)
9804 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
9811 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9813 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9814 struct net_device
*dev
= info
->user_ptr
[1];
9815 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9820 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
9823 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9824 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9827 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
9833 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
9834 struct genl_info
*info
)
9836 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9837 struct net_device
*dev
= info
->user_ptr
[1];
9838 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9839 struct cfg80211_chan_def chandef
= {};
9844 if (!rdev
->ops
->tdls_channel_switch
||
9845 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9848 switch (dev
->ieee80211_ptr
->iftype
) {
9849 case NL80211_IFTYPE_STATION
:
9850 case NL80211_IFTYPE_P2P_CLIENT
:
9856 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
9857 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
9860 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9865 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
9866 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
9867 * specification is not defined for them.
9869 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
9870 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
9871 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
9874 /* we will be active on the TDLS link */
9875 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, wdev
->iftype
))
9878 /* don't allow switching to DFS channels */
9879 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
9882 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9883 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
9886 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
9892 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
9893 struct genl_info
*info
)
9895 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9896 struct net_device
*dev
= info
->user_ptr
[1];
9897 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9900 if (!rdev
->ops
->tdls_channel_switch
||
9901 !rdev
->ops
->tdls_cancel_channel_switch
||
9902 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9905 switch (dev
->ieee80211_ptr
->iftype
) {
9906 case NL80211_IFTYPE_STATION
:
9907 case NL80211_IFTYPE_P2P_CLIENT
:
9913 if (!info
->attrs
[NL80211_ATTR_MAC
])
9916 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9919 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
9925 #define NL80211_FLAG_NEED_WIPHY 0x01
9926 #define NL80211_FLAG_NEED_NETDEV 0x02
9927 #define NL80211_FLAG_NEED_RTNL 0x04
9928 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9929 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9930 NL80211_FLAG_CHECK_NETDEV_UP)
9931 #define NL80211_FLAG_NEED_WDEV 0x10
9932 /* If a netdev is associated, it must be UP, P2P must be started */
9933 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9934 NL80211_FLAG_CHECK_NETDEV_UP)
9935 #define NL80211_FLAG_CLEAR_SKB 0x20
9937 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9938 struct genl_info
*info
)
9940 struct cfg80211_registered_device
*rdev
;
9941 struct wireless_dev
*wdev
;
9942 struct net_device
*dev
;
9943 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9948 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9949 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9953 return PTR_ERR(rdev
);
9955 info
->user_ptr
[0] = rdev
;
9956 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9957 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9960 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9965 return PTR_ERR(wdev
);
9969 rdev
= wiphy_to_rdev(wdev
->wiphy
);
9971 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9978 info
->user_ptr
[1] = dev
;
9980 info
->user_ptr
[1] = wdev
;
9984 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9985 !netif_running(dev
)) {
9992 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9993 if (!wdev
->p2p_started
) {
10000 info
->user_ptr
[0] = rdev
;
10006 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10007 struct genl_info
*info
)
10009 if (info
->user_ptr
[1]) {
10010 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10011 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10014 dev_put(wdev
->netdev
);
10016 dev_put(info
->user_ptr
[1]);
10020 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10023 /* If needed, clear the netlink message payload from the SKB
10024 * as it might contain key data that shouldn't stick around on
10025 * the heap after the SKB is freed. The netlink message header
10026 * is still needed for further processing, so leave it intact.
10028 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10029 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10031 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10035 static const struct genl_ops nl80211_ops
[] = {
10037 .cmd
= NL80211_CMD_GET_WIPHY
,
10038 .doit
= nl80211_get_wiphy
,
10039 .dumpit
= nl80211_dump_wiphy
,
10040 .done
= nl80211_dump_wiphy_done
,
10041 .policy
= nl80211_policy
,
10042 /* can be retrieved by unprivileged users */
10043 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10044 NL80211_FLAG_NEED_RTNL
,
10047 .cmd
= NL80211_CMD_SET_WIPHY
,
10048 .doit
= nl80211_set_wiphy
,
10049 .policy
= nl80211_policy
,
10050 .flags
= GENL_ADMIN_PERM
,
10051 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10054 .cmd
= NL80211_CMD_GET_INTERFACE
,
10055 .doit
= nl80211_get_interface
,
10056 .dumpit
= nl80211_dump_interface
,
10057 .policy
= nl80211_policy
,
10058 /* can be retrieved by unprivileged users */
10059 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10060 NL80211_FLAG_NEED_RTNL
,
10063 .cmd
= NL80211_CMD_SET_INTERFACE
,
10064 .doit
= nl80211_set_interface
,
10065 .policy
= nl80211_policy
,
10066 .flags
= GENL_ADMIN_PERM
,
10067 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10068 NL80211_FLAG_NEED_RTNL
,
10071 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10072 .doit
= nl80211_new_interface
,
10073 .policy
= nl80211_policy
,
10074 .flags
= GENL_ADMIN_PERM
,
10075 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10076 NL80211_FLAG_NEED_RTNL
,
10079 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10080 .doit
= nl80211_del_interface
,
10081 .policy
= nl80211_policy
,
10082 .flags
= GENL_ADMIN_PERM
,
10083 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10084 NL80211_FLAG_NEED_RTNL
,
10087 .cmd
= NL80211_CMD_GET_KEY
,
10088 .doit
= nl80211_get_key
,
10089 .policy
= nl80211_policy
,
10090 .flags
= GENL_ADMIN_PERM
,
10091 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10092 NL80211_FLAG_NEED_RTNL
,
10095 .cmd
= NL80211_CMD_SET_KEY
,
10096 .doit
= nl80211_set_key
,
10097 .policy
= nl80211_policy
,
10098 .flags
= GENL_ADMIN_PERM
,
10099 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10100 NL80211_FLAG_NEED_RTNL
|
10101 NL80211_FLAG_CLEAR_SKB
,
10104 .cmd
= NL80211_CMD_NEW_KEY
,
10105 .doit
= nl80211_new_key
,
10106 .policy
= nl80211_policy
,
10107 .flags
= GENL_ADMIN_PERM
,
10108 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10109 NL80211_FLAG_NEED_RTNL
|
10110 NL80211_FLAG_CLEAR_SKB
,
10113 .cmd
= NL80211_CMD_DEL_KEY
,
10114 .doit
= nl80211_del_key
,
10115 .policy
= nl80211_policy
,
10116 .flags
= GENL_ADMIN_PERM
,
10117 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10118 NL80211_FLAG_NEED_RTNL
,
10121 .cmd
= NL80211_CMD_SET_BEACON
,
10122 .policy
= nl80211_policy
,
10123 .flags
= GENL_ADMIN_PERM
,
10124 .doit
= nl80211_set_beacon
,
10125 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10126 NL80211_FLAG_NEED_RTNL
,
10129 .cmd
= NL80211_CMD_START_AP
,
10130 .policy
= nl80211_policy
,
10131 .flags
= GENL_ADMIN_PERM
,
10132 .doit
= nl80211_start_ap
,
10133 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10134 NL80211_FLAG_NEED_RTNL
,
10137 .cmd
= NL80211_CMD_STOP_AP
,
10138 .policy
= nl80211_policy
,
10139 .flags
= GENL_ADMIN_PERM
,
10140 .doit
= nl80211_stop_ap
,
10141 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10142 NL80211_FLAG_NEED_RTNL
,
10145 .cmd
= NL80211_CMD_GET_STATION
,
10146 .doit
= nl80211_get_station
,
10147 .dumpit
= nl80211_dump_station
,
10148 .policy
= nl80211_policy
,
10149 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10150 NL80211_FLAG_NEED_RTNL
,
10153 .cmd
= NL80211_CMD_SET_STATION
,
10154 .doit
= nl80211_set_station
,
10155 .policy
= nl80211_policy
,
10156 .flags
= GENL_ADMIN_PERM
,
10157 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10158 NL80211_FLAG_NEED_RTNL
,
10161 .cmd
= NL80211_CMD_NEW_STATION
,
10162 .doit
= nl80211_new_station
,
10163 .policy
= nl80211_policy
,
10164 .flags
= GENL_ADMIN_PERM
,
10165 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10166 NL80211_FLAG_NEED_RTNL
,
10169 .cmd
= NL80211_CMD_DEL_STATION
,
10170 .doit
= nl80211_del_station
,
10171 .policy
= nl80211_policy
,
10172 .flags
= GENL_ADMIN_PERM
,
10173 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10174 NL80211_FLAG_NEED_RTNL
,
10177 .cmd
= NL80211_CMD_GET_MPATH
,
10178 .doit
= nl80211_get_mpath
,
10179 .dumpit
= nl80211_dump_mpath
,
10180 .policy
= nl80211_policy
,
10181 .flags
= GENL_ADMIN_PERM
,
10182 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10183 NL80211_FLAG_NEED_RTNL
,
10186 .cmd
= NL80211_CMD_GET_MPP
,
10187 .doit
= nl80211_get_mpp
,
10188 .dumpit
= nl80211_dump_mpp
,
10189 .policy
= nl80211_policy
,
10190 .flags
= GENL_ADMIN_PERM
,
10191 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10192 NL80211_FLAG_NEED_RTNL
,
10195 .cmd
= NL80211_CMD_SET_MPATH
,
10196 .doit
= nl80211_set_mpath
,
10197 .policy
= nl80211_policy
,
10198 .flags
= GENL_ADMIN_PERM
,
10199 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10200 NL80211_FLAG_NEED_RTNL
,
10203 .cmd
= NL80211_CMD_NEW_MPATH
,
10204 .doit
= nl80211_new_mpath
,
10205 .policy
= nl80211_policy
,
10206 .flags
= GENL_ADMIN_PERM
,
10207 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10208 NL80211_FLAG_NEED_RTNL
,
10211 .cmd
= NL80211_CMD_DEL_MPATH
,
10212 .doit
= nl80211_del_mpath
,
10213 .policy
= nl80211_policy
,
10214 .flags
= GENL_ADMIN_PERM
,
10215 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10216 NL80211_FLAG_NEED_RTNL
,
10219 .cmd
= NL80211_CMD_SET_BSS
,
10220 .doit
= nl80211_set_bss
,
10221 .policy
= nl80211_policy
,
10222 .flags
= GENL_ADMIN_PERM
,
10223 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10224 NL80211_FLAG_NEED_RTNL
,
10227 .cmd
= NL80211_CMD_GET_REG
,
10228 .doit
= nl80211_get_reg
,
10229 .policy
= nl80211_policy
,
10230 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10231 /* can be retrieved by unprivileged users */
10234 .cmd
= NL80211_CMD_SET_REG
,
10235 .doit
= nl80211_set_reg
,
10236 .policy
= nl80211_policy
,
10237 .flags
= GENL_ADMIN_PERM
,
10238 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10241 .cmd
= NL80211_CMD_REQ_SET_REG
,
10242 .doit
= nl80211_req_set_reg
,
10243 .policy
= nl80211_policy
,
10244 .flags
= GENL_ADMIN_PERM
,
10247 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10248 .doit
= nl80211_get_mesh_config
,
10249 .policy
= nl80211_policy
,
10250 /* can be retrieved by unprivileged users */
10251 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10252 NL80211_FLAG_NEED_RTNL
,
10255 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10256 .doit
= nl80211_update_mesh_config
,
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_TRIGGER_SCAN
,
10264 .doit
= nl80211_trigger_scan
,
10265 .policy
= nl80211_policy
,
10266 .flags
= GENL_ADMIN_PERM
,
10267 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10268 NL80211_FLAG_NEED_RTNL
,
10271 .cmd
= NL80211_CMD_GET_SCAN
,
10272 .policy
= nl80211_policy
,
10273 .dumpit
= nl80211_dump_scan
,
10276 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10277 .doit
= nl80211_start_sched_scan
,
10278 .policy
= nl80211_policy
,
10279 .flags
= GENL_ADMIN_PERM
,
10280 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10281 NL80211_FLAG_NEED_RTNL
,
10284 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
10285 .doit
= nl80211_stop_sched_scan
,
10286 .policy
= nl80211_policy
,
10287 .flags
= GENL_ADMIN_PERM
,
10288 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10289 NL80211_FLAG_NEED_RTNL
,
10292 .cmd
= NL80211_CMD_AUTHENTICATE
,
10293 .doit
= nl80211_authenticate
,
10294 .policy
= nl80211_policy
,
10295 .flags
= GENL_ADMIN_PERM
,
10296 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10297 NL80211_FLAG_NEED_RTNL
|
10298 NL80211_FLAG_CLEAR_SKB
,
10301 .cmd
= NL80211_CMD_ASSOCIATE
,
10302 .doit
= nl80211_associate
,
10303 .policy
= nl80211_policy
,
10304 .flags
= GENL_ADMIN_PERM
,
10305 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10306 NL80211_FLAG_NEED_RTNL
,
10309 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10310 .doit
= nl80211_deauthenticate
,
10311 .policy
= nl80211_policy
,
10312 .flags
= GENL_ADMIN_PERM
,
10313 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10314 NL80211_FLAG_NEED_RTNL
,
10317 .cmd
= NL80211_CMD_DISASSOCIATE
,
10318 .doit
= nl80211_disassociate
,
10319 .policy
= nl80211_policy
,
10320 .flags
= GENL_ADMIN_PERM
,
10321 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10322 NL80211_FLAG_NEED_RTNL
,
10325 .cmd
= NL80211_CMD_JOIN_IBSS
,
10326 .doit
= nl80211_join_ibss
,
10327 .policy
= nl80211_policy
,
10328 .flags
= GENL_ADMIN_PERM
,
10329 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10330 NL80211_FLAG_NEED_RTNL
,
10333 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10334 .doit
= nl80211_leave_ibss
,
10335 .policy
= nl80211_policy
,
10336 .flags
= GENL_ADMIN_PERM
,
10337 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10338 NL80211_FLAG_NEED_RTNL
,
10340 #ifdef CONFIG_NL80211_TESTMODE
10342 .cmd
= NL80211_CMD_TESTMODE
,
10343 .doit
= nl80211_testmode_do
,
10344 .dumpit
= nl80211_testmode_dump
,
10345 .policy
= nl80211_policy
,
10346 .flags
= GENL_ADMIN_PERM
,
10347 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10348 NL80211_FLAG_NEED_RTNL
,
10352 .cmd
= NL80211_CMD_CONNECT
,
10353 .doit
= nl80211_connect
,
10354 .policy
= nl80211_policy
,
10355 .flags
= GENL_ADMIN_PERM
,
10356 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10357 NL80211_FLAG_NEED_RTNL
,
10360 .cmd
= NL80211_CMD_DISCONNECT
,
10361 .doit
= nl80211_disconnect
,
10362 .policy
= nl80211_policy
,
10363 .flags
= GENL_ADMIN_PERM
,
10364 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10365 NL80211_FLAG_NEED_RTNL
,
10368 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10369 .doit
= nl80211_wiphy_netns
,
10370 .policy
= nl80211_policy
,
10371 .flags
= GENL_ADMIN_PERM
,
10372 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10373 NL80211_FLAG_NEED_RTNL
,
10376 .cmd
= NL80211_CMD_GET_SURVEY
,
10377 .policy
= nl80211_policy
,
10378 .dumpit
= nl80211_dump_survey
,
10381 .cmd
= NL80211_CMD_SET_PMKSA
,
10382 .doit
= nl80211_setdel_pmksa
,
10383 .policy
= nl80211_policy
,
10384 .flags
= GENL_ADMIN_PERM
,
10385 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10386 NL80211_FLAG_NEED_RTNL
,
10389 .cmd
= NL80211_CMD_DEL_PMKSA
,
10390 .doit
= nl80211_setdel_pmksa
,
10391 .policy
= nl80211_policy
,
10392 .flags
= GENL_ADMIN_PERM
,
10393 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10394 NL80211_FLAG_NEED_RTNL
,
10397 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10398 .doit
= nl80211_flush_pmksa
,
10399 .policy
= nl80211_policy
,
10400 .flags
= GENL_ADMIN_PERM
,
10401 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10402 NL80211_FLAG_NEED_RTNL
,
10405 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10406 .doit
= nl80211_remain_on_channel
,
10407 .policy
= nl80211_policy
,
10408 .flags
= GENL_ADMIN_PERM
,
10409 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10410 NL80211_FLAG_NEED_RTNL
,
10413 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10414 .doit
= nl80211_cancel_remain_on_channel
,
10415 .policy
= nl80211_policy
,
10416 .flags
= GENL_ADMIN_PERM
,
10417 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10418 NL80211_FLAG_NEED_RTNL
,
10421 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10422 .doit
= nl80211_set_tx_bitrate_mask
,
10423 .policy
= nl80211_policy
,
10424 .flags
= GENL_ADMIN_PERM
,
10425 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10426 NL80211_FLAG_NEED_RTNL
,
10429 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10430 .doit
= nl80211_register_mgmt
,
10431 .policy
= nl80211_policy
,
10432 .flags
= GENL_ADMIN_PERM
,
10433 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10434 NL80211_FLAG_NEED_RTNL
,
10437 .cmd
= NL80211_CMD_FRAME
,
10438 .doit
= nl80211_tx_mgmt
,
10439 .policy
= nl80211_policy
,
10440 .flags
= GENL_ADMIN_PERM
,
10441 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10442 NL80211_FLAG_NEED_RTNL
,
10445 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10446 .doit
= nl80211_tx_mgmt_cancel_wait
,
10447 .policy
= nl80211_policy
,
10448 .flags
= GENL_ADMIN_PERM
,
10449 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10450 NL80211_FLAG_NEED_RTNL
,
10453 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10454 .doit
= nl80211_set_power_save
,
10455 .policy
= nl80211_policy
,
10456 .flags
= GENL_ADMIN_PERM
,
10457 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10458 NL80211_FLAG_NEED_RTNL
,
10461 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10462 .doit
= nl80211_get_power_save
,
10463 .policy
= nl80211_policy
,
10464 /* can be retrieved by unprivileged users */
10465 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10466 NL80211_FLAG_NEED_RTNL
,
10469 .cmd
= NL80211_CMD_SET_CQM
,
10470 .doit
= nl80211_set_cqm
,
10471 .policy
= nl80211_policy
,
10472 .flags
= GENL_ADMIN_PERM
,
10473 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10474 NL80211_FLAG_NEED_RTNL
,
10477 .cmd
= NL80211_CMD_SET_CHANNEL
,
10478 .doit
= nl80211_set_channel
,
10479 .policy
= nl80211_policy
,
10480 .flags
= GENL_ADMIN_PERM
,
10481 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10482 NL80211_FLAG_NEED_RTNL
,
10485 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10486 .doit
= nl80211_set_wds_peer
,
10487 .policy
= nl80211_policy
,
10488 .flags
= GENL_ADMIN_PERM
,
10489 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10490 NL80211_FLAG_NEED_RTNL
,
10493 .cmd
= NL80211_CMD_JOIN_MESH
,
10494 .doit
= nl80211_join_mesh
,
10495 .policy
= nl80211_policy
,
10496 .flags
= GENL_ADMIN_PERM
,
10497 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10498 NL80211_FLAG_NEED_RTNL
,
10501 .cmd
= NL80211_CMD_LEAVE_MESH
,
10502 .doit
= nl80211_leave_mesh
,
10503 .policy
= nl80211_policy
,
10504 .flags
= GENL_ADMIN_PERM
,
10505 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10506 NL80211_FLAG_NEED_RTNL
,
10509 .cmd
= NL80211_CMD_JOIN_OCB
,
10510 .doit
= nl80211_join_ocb
,
10511 .policy
= nl80211_policy
,
10512 .flags
= GENL_ADMIN_PERM
,
10513 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10514 NL80211_FLAG_NEED_RTNL
,
10517 .cmd
= NL80211_CMD_LEAVE_OCB
,
10518 .doit
= nl80211_leave_ocb
,
10519 .policy
= nl80211_policy
,
10520 .flags
= GENL_ADMIN_PERM
,
10521 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10522 NL80211_FLAG_NEED_RTNL
,
10526 .cmd
= NL80211_CMD_GET_WOWLAN
,
10527 .doit
= nl80211_get_wowlan
,
10528 .policy
= nl80211_policy
,
10529 /* can be retrieved by unprivileged users */
10530 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10531 NL80211_FLAG_NEED_RTNL
,
10534 .cmd
= NL80211_CMD_SET_WOWLAN
,
10535 .doit
= nl80211_set_wowlan
,
10536 .policy
= nl80211_policy
,
10537 .flags
= GENL_ADMIN_PERM
,
10538 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10539 NL80211_FLAG_NEED_RTNL
,
10543 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10544 .doit
= nl80211_set_rekey_data
,
10545 .policy
= nl80211_policy
,
10546 .flags
= GENL_ADMIN_PERM
,
10547 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10548 NL80211_FLAG_NEED_RTNL
|
10549 NL80211_FLAG_CLEAR_SKB
,
10552 .cmd
= NL80211_CMD_TDLS_MGMT
,
10553 .doit
= nl80211_tdls_mgmt
,
10554 .policy
= nl80211_policy
,
10555 .flags
= GENL_ADMIN_PERM
,
10556 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10557 NL80211_FLAG_NEED_RTNL
,
10560 .cmd
= NL80211_CMD_TDLS_OPER
,
10561 .doit
= nl80211_tdls_oper
,
10562 .policy
= nl80211_policy
,
10563 .flags
= GENL_ADMIN_PERM
,
10564 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10565 NL80211_FLAG_NEED_RTNL
,
10568 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10569 .doit
= nl80211_register_unexpected_frame
,
10570 .policy
= nl80211_policy
,
10571 .flags
= GENL_ADMIN_PERM
,
10572 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10573 NL80211_FLAG_NEED_RTNL
,
10576 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10577 .doit
= nl80211_probe_client
,
10578 .policy
= nl80211_policy
,
10579 .flags
= GENL_ADMIN_PERM
,
10580 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10581 NL80211_FLAG_NEED_RTNL
,
10584 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
10585 .doit
= nl80211_register_beacons
,
10586 .policy
= nl80211_policy
,
10587 .flags
= GENL_ADMIN_PERM
,
10588 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10589 NL80211_FLAG_NEED_RTNL
,
10592 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10593 .doit
= nl80211_set_noack_map
,
10594 .policy
= nl80211_policy
,
10595 .flags
= GENL_ADMIN_PERM
,
10596 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10597 NL80211_FLAG_NEED_RTNL
,
10600 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10601 .doit
= nl80211_start_p2p_device
,
10602 .policy
= nl80211_policy
,
10603 .flags
= GENL_ADMIN_PERM
,
10604 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10605 NL80211_FLAG_NEED_RTNL
,
10608 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10609 .doit
= nl80211_stop_p2p_device
,
10610 .policy
= nl80211_policy
,
10611 .flags
= GENL_ADMIN_PERM
,
10612 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10613 NL80211_FLAG_NEED_RTNL
,
10616 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10617 .doit
= nl80211_set_mcast_rate
,
10618 .policy
= nl80211_policy
,
10619 .flags
= GENL_ADMIN_PERM
,
10620 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10621 NL80211_FLAG_NEED_RTNL
,
10624 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10625 .doit
= nl80211_set_mac_acl
,
10626 .policy
= nl80211_policy
,
10627 .flags
= GENL_ADMIN_PERM
,
10628 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10629 NL80211_FLAG_NEED_RTNL
,
10632 .cmd
= NL80211_CMD_RADAR_DETECT
,
10633 .doit
= nl80211_start_radar_detection
,
10634 .policy
= nl80211_policy
,
10635 .flags
= GENL_ADMIN_PERM
,
10636 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10637 NL80211_FLAG_NEED_RTNL
,
10640 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10641 .doit
= nl80211_get_protocol_features
,
10642 .policy
= nl80211_policy
,
10645 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10646 .doit
= nl80211_update_ft_ies
,
10647 .policy
= nl80211_policy
,
10648 .flags
= GENL_ADMIN_PERM
,
10649 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10650 NL80211_FLAG_NEED_RTNL
,
10653 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10654 .doit
= nl80211_crit_protocol_start
,
10655 .policy
= nl80211_policy
,
10656 .flags
= GENL_ADMIN_PERM
,
10657 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10658 NL80211_FLAG_NEED_RTNL
,
10661 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10662 .doit
= nl80211_crit_protocol_stop
,
10663 .policy
= nl80211_policy
,
10664 .flags
= GENL_ADMIN_PERM
,
10665 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10666 NL80211_FLAG_NEED_RTNL
,
10669 .cmd
= NL80211_CMD_GET_COALESCE
,
10670 .doit
= nl80211_get_coalesce
,
10671 .policy
= nl80211_policy
,
10672 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10673 NL80211_FLAG_NEED_RTNL
,
10676 .cmd
= NL80211_CMD_SET_COALESCE
,
10677 .doit
= nl80211_set_coalesce
,
10678 .policy
= nl80211_policy
,
10679 .flags
= GENL_ADMIN_PERM
,
10680 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10681 NL80211_FLAG_NEED_RTNL
,
10684 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10685 .doit
= nl80211_channel_switch
,
10686 .policy
= nl80211_policy
,
10687 .flags
= GENL_ADMIN_PERM
,
10688 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10689 NL80211_FLAG_NEED_RTNL
,
10692 .cmd
= NL80211_CMD_VENDOR
,
10693 .doit
= nl80211_vendor_cmd
,
10694 .policy
= nl80211_policy
,
10695 .flags
= GENL_ADMIN_PERM
,
10696 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10697 NL80211_FLAG_NEED_RTNL
,
10700 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10701 .doit
= nl80211_set_qos_map
,
10702 .policy
= nl80211_policy
,
10703 .flags
= GENL_ADMIN_PERM
,
10704 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10705 NL80211_FLAG_NEED_RTNL
,
10708 .cmd
= NL80211_CMD_ADD_TX_TS
,
10709 .doit
= nl80211_add_tx_ts
,
10710 .policy
= nl80211_policy
,
10711 .flags
= GENL_ADMIN_PERM
,
10712 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10713 NL80211_FLAG_NEED_RTNL
,
10716 .cmd
= NL80211_CMD_DEL_TX_TS
,
10717 .doit
= nl80211_del_tx_ts
,
10718 .policy
= nl80211_policy
,
10719 .flags
= GENL_ADMIN_PERM
,
10720 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10721 NL80211_FLAG_NEED_RTNL
,
10724 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
10725 .doit
= nl80211_tdls_channel_switch
,
10726 .policy
= nl80211_policy
,
10727 .flags
= GENL_ADMIN_PERM
,
10728 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10729 NL80211_FLAG_NEED_RTNL
,
10732 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
10733 .doit
= nl80211_tdls_cancel_channel_switch
,
10734 .policy
= nl80211_policy
,
10735 .flags
= GENL_ADMIN_PERM
,
10736 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10737 NL80211_FLAG_NEED_RTNL
,
10741 /* notification functions */
10743 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10744 enum nl80211_commands cmd
)
10746 struct sk_buff
*msg
;
10747 struct nl80211_dump_wiphy_state state
= {};
10749 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10750 cmd
!= NL80211_CMD_DEL_WIPHY
);
10752 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10756 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10761 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10762 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10765 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10766 struct cfg80211_registered_device
*rdev
)
10768 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10769 struct nlattr
*nest
;
10775 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10777 goto nla_put_failure
;
10778 for (i
= 0; i
< req
->n_ssids
; i
++) {
10779 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10780 goto nla_put_failure
;
10782 nla_nest_end(msg
, nest
);
10784 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10786 goto nla_put_failure
;
10787 for (i
= 0; i
< req
->n_channels
; i
++) {
10788 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10789 goto nla_put_failure
;
10791 nla_nest_end(msg
, nest
);
10794 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10795 goto nla_put_failure
;
10798 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10799 goto nla_put_failure
;
10806 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10807 struct cfg80211_registered_device
*rdev
,
10808 struct wireless_dev
*wdev
,
10809 u32 portid
, u32 seq
, int flags
,
10814 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10818 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10819 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10820 wdev
->netdev
->ifindex
)) ||
10821 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10822 goto nla_put_failure
;
10824 /* ignore errors and send incomplete event anyway */
10825 nl80211_add_scan_req(msg
, rdev
);
10827 return genlmsg_end(msg
, hdr
);
10830 genlmsg_cancel(msg
, hdr
);
10835 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10836 struct cfg80211_registered_device
*rdev
,
10837 struct net_device
*netdev
,
10838 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10842 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10846 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10847 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10848 goto nla_put_failure
;
10850 return genlmsg_end(msg
, hdr
);
10853 genlmsg_cancel(msg
, hdr
);
10857 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10858 struct wireless_dev
*wdev
)
10860 struct sk_buff
*msg
;
10862 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10866 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10867 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10872 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10873 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10876 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10877 struct wireless_dev
*wdev
, bool aborted
)
10879 struct sk_buff
*msg
;
10881 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10885 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10886 aborted
? NL80211_CMD_SCAN_ABORTED
:
10887 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10895 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10896 struct sk_buff
*msg
)
10901 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10902 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10905 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10906 struct net_device
*netdev
)
10908 struct sk_buff
*msg
;
10910 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10914 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10915 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10920 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10921 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10924 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10925 struct net_device
*netdev
, u32 cmd
)
10927 struct sk_buff
*msg
;
10929 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10933 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10938 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10939 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10943 * This can happen on global regulatory changes or device specific settings
10944 * based on custom world regulatory domains.
10946 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10948 struct sk_buff
*msg
;
10951 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10955 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10961 /* Userspace can always count this one always being set */
10962 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10963 goto nla_put_failure
;
10965 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10966 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10967 NL80211_REGDOM_TYPE_WORLD
))
10968 goto nla_put_failure
;
10969 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10970 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10971 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10972 goto nla_put_failure
;
10973 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10974 request
->intersect
) {
10975 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10976 NL80211_REGDOM_TYPE_INTERSECTION
))
10977 goto nla_put_failure
;
10979 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10980 NL80211_REGDOM_TYPE_COUNTRY
) ||
10981 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10983 goto nla_put_failure
;
10986 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10987 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10988 goto nla_put_failure
;
10990 genlmsg_end(msg
, hdr
);
10993 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10994 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11000 genlmsg_cancel(msg
, hdr
);
11004 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11005 struct net_device
*netdev
,
11006 const u8
*buf
, size_t len
,
11007 enum nl80211_commands cmd
, gfp_t gfp
,
11010 struct sk_buff
*msg
;
11013 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11017 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11023 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11024 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11025 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11026 goto nla_put_failure
;
11028 if (uapsd_queues
>= 0) {
11029 struct nlattr
*nla_wmm
=
11030 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11032 goto nla_put_failure
;
11034 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11036 goto nla_put_failure
;
11038 nla_nest_end(msg
, nla_wmm
);
11041 genlmsg_end(msg
, hdr
);
11043 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11044 NL80211_MCGRP_MLME
, gfp
);
11048 genlmsg_cancel(msg
, hdr
);
11052 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11053 struct net_device
*netdev
, const u8
*buf
,
11054 size_t len
, gfp_t gfp
)
11056 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11057 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11060 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11061 struct net_device
*netdev
, const u8
*buf
,
11062 size_t len
, gfp_t gfp
, int uapsd_queues
)
11064 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11065 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11068 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11069 struct net_device
*netdev
, const u8
*buf
,
11070 size_t len
, gfp_t gfp
)
11072 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11073 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11076 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11077 struct net_device
*netdev
, const u8
*buf
,
11078 size_t len
, gfp_t gfp
)
11080 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11081 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11084 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11087 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11088 struct wiphy
*wiphy
= wdev
->wiphy
;
11089 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11090 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11093 if (WARN_ON(len
< 2))
11096 if (ieee80211_is_deauth(mgmt
->frame_control
))
11097 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11099 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11101 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11102 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11104 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11106 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11107 struct net_device
*netdev
, int cmd
,
11108 const u8
*addr
, gfp_t gfp
)
11110 struct sk_buff
*msg
;
11113 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11117 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11123 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11124 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11125 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11126 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11127 goto nla_put_failure
;
11129 genlmsg_end(msg
, hdr
);
11131 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11132 NL80211_MCGRP_MLME
, gfp
);
11136 genlmsg_cancel(msg
, hdr
);
11140 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11141 struct net_device
*netdev
, const u8
*addr
,
11144 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11148 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11149 struct net_device
*netdev
, const u8
*addr
,
11152 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11156 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11157 struct net_device
*netdev
, const u8
*bssid
,
11158 const u8
*req_ie
, size_t req_ie_len
,
11159 const u8
*resp_ie
, size_t resp_ie_len
,
11160 u16 status
, gfp_t gfp
)
11162 struct sk_buff
*msg
;
11165 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11169 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11175 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11176 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11177 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11178 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11180 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11182 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11183 goto nla_put_failure
;
11185 genlmsg_end(msg
, hdr
);
11187 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11188 NL80211_MCGRP_MLME
, gfp
);
11192 genlmsg_cancel(msg
, hdr
);
11197 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11198 struct net_device
*netdev
, const u8
*bssid
,
11199 const u8
*req_ie
, size_t req_ie_len
,
11200 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11202 struct sk_buff
*msg
;
11205 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11209 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11215 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11216 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11217 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11219 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11221 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11222 goto nla_put_failure
;
11224 genlmsg_end(msg
, hdr
);
11226 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11227 NL80211_MCGRP_MLME
, gfp
);
11231 genlmsg_cancel(msg
, hdr
);
11236 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11237 struct net_device
*netdev
, u16 reason
,
11238 const u8
*ie
, size_t ie_len
, bool from_ap
)
11240 struct sk_buff
*msg
;
11243 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11247 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11253 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11254 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11255 (from_ap
&& reason
&&
11256 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
11258 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
11259 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11260 goto nla_put_failure
;
11262 genlmsg_end(msg
, hdr
);
11264 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11265 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11269 genlmsg_cancel(msg
, hdr
);
11274 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
11275 struct net_device
*netdev
, const u8
*bssid
,
11278 struct sk_buff
*msg
;
11281 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11285 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
11291 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11292 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11293 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11294 goto nla_put_failure
;
11296 genlmsg_end(msg
, hdr
);
11298 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11299 NL80211_MCGRP_MLME
, gfp
);
11303 genlmsg_cancel(msg
, hdr
);
11307 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
11308 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
11310 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11311 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11312 struct sk_buff
*msg
;
11315 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11318 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
11320 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11324 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11330 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11331 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11332 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11334 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11335 goto nla_put_failure
;
11337 genlmsg_end(msg
, hdr
);
11339 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11340 NL80211_MCGRP_MLME
, gfp
);
11344 genlmsg_cancel(msg
, hdr
);
11347 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11349 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11350 struct net_device
*netdev
, const u8
*addr
,
11351 enum nl80211_key_type key_type
, int key_id
,
11352 const u8
*tsc
, gfp_t gfp
)
11354 struct sk_buff
*msg
;
11357 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11361 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11367 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11368 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11369 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11370 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11372 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11373 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11374 goto nla_put_failure
;
11376 genlmsg_end(msg
, hdr
);
11378 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11379 NL80211_MCGRP_MLME
, gfp
);
11383 genlmsg_cancel(msg
, hdr
);
11387 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11388 struct ieee80211_channel
*channel_before
,
11389 struct ieee80211_channel
*channel_after
)
11391 struct sk_buff
*msg
;
11393 struct nlattr
*nl_freq
;
11395 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11399 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11406 * Since we are applying the beacon hint to a wiphy we know its
11407 * wiphy_idx is valid
11409 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11410 goto nla_put_failure
;
11413 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11415 goto nla_put_failure
;
11416 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11417 goto nla_put_failure
;
11418 nla_nest_end(msg
, nl_freq
);
11421 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11423 goto nla_put_failure
;
11424 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11425 goto nla_put_failure
;
11426 nla_nest_end(msg
, nl_freq
);
11428 genlmsg_end(msg
, hdr
);
11431 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11432 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11438 genlmsg_cancel(msg
, hdr
);
11442 static void nl80211_send_remain_on_chan_event(
11443 int cmd
, struct cfg80211_registered_device
*rdev
,
11444 struct wireless_dev
*wdev
, u64 cookie
,
11445 struct ieee80211_channel
*chan
,
11446 unsigned int duration
, gfp_t gfp
)
11448 struct sk_buff
*msg
;
11451 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11455 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11461 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11462 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11463 wdev
->netdev
->ifindex
)) ||
11464 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11465 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11466 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11467 NL80211_CHAN_NO_HT
) ||
11468 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11469 goto nla_put_failure
;
11471 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11472 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11473 goto nla_put_failure
;
11475 genlmsg_end(msg
, hdr
);
11477 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11478 NL80211_MCGRP_MLME
, gfp
);
11482 genlmsg_cancel(msg
, hdr
);
11486 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11487 struct ieee80211_channel
*chan
,
11488 unsigned int duration
, gfp_t gfp
)
11490 struct wiphy
*wiphy
= wdev
->wiphy
;
11491 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11493 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11494 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11495 rdev
, wdev
, cookie
, chan
,
11498 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11500 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11501 struct ieee80211_channel
*chan
,
11504 struct wiphy
*wiphy
= wdev
->wiphy
;
11505 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11507 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11508 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11509 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11511 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11513 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11514 struct station_info
*sinfo
, gfp_t gfp
)
11516 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11517 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11518 struct sk_buff
*msg
;
11520 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11522 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11526 if (nl80211_send_station(msg
, 0, 0, 0,
11527 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11532 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11533 NL80211_MCGRP_MLME
, gfp
);
11535 EXPORT_SYMBOL(cfg80211_new_sta
);
11537 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
11539 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11540 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11541 struct sk_buff
*msg
;
11544 trace_cfg80211_del_sta(dev
, mac_addr
);
11546 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11550 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
11556 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11557 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
11558 goto nla_put_failure
;
11560 genlmsg_end(msg
, hdr
);
11562 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11563 NL80211_MCGRP_MLME
, gfp
);
11567 genlmsg_cancel(msg
, hdr
);
11570 EXPORT_SYMBOL(cfg80211_del_sta
);
11572 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11573 enum nl80211_connect_failed_reason reason
,
11576 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11577 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11578 struct sk_buff
*msg
;
11581 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11585 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11591 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11592 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11593 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11594 goto nla_put_failure
;
11596 genlmsg_end(msg
, hdr
);
11598 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11599 NL80211_MCGRP_MLME
, gfp
);
11603 genlmsg_cancel(msg
, hdr
);
11606 EXPORT_SYMBOL(cfg80211_conn_failed
);
11608 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11609 const u8
*addr
, gfp_t gfp
)
11611 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11612 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11613 struct sk_buff
*msg
;
11615 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11620 msg
= nlmsg_new(100, gfp
);
11624 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11630 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11631 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11632 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11633 goto nla_put_failure
;
11635 genlmsg_end(msg
, hdr
);
11636 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11640 genlmsg_cancel(msg
, hdr
);
11645 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11646 const u8
*addr
, gfp_t gfp
)
11648 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11651 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11653 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11654 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11655 trace_cfg80211_return_bool(false);
11658 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11660 trace_cfg80211_return_bool(ret
);
11663 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11665 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11666 const u8
*addr
, gfp_t gfp
)
11668 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11671 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11673 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11674 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11675 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11676 trace_cfg80211_return_bool(false);
11679 ret
= __nl80211_unexpected_frame(dev
,
11680 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11682 trace_cfg80211_return_bool(ret
);
11685 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11687 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11688 struct wireless_dev
*wdev
, u32 nlportid
,
11689 int freq
, int sig_dbm
,
11690 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11692 struct net_device
*netdev
= wdev
->netdev
;
11693 struct sk_buff
*msg
;
11696 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11700 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11706 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11707 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11708 netdev
->ifindex
)) ||
11709 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11710 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11712 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11713 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11715 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11716 goto nla_put_failure
;
11718 genlmsg_end(msg
, hdr
);
11720 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11723 genlmsg_cancel(msg
, hdr
);
11728 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11729 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11731 struct wiphy
*wiphy
= wdev
->wiphy
;
11732 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11733 struct net_device
*netdev
= wdev
->netdev
;
11734 struct sk_buff
*msg
;
11737 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11739 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11743 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11749 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11750 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11751 netdev
->ifindex
)) ||
11752 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11753 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11754 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11755 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11756 goto nla_put_failure
;
11758 genlmsg_end(msg
, hdr
);
11760 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11761 NL80211_MCGRP_MLME
, gfp
);
11765 genlmsg_cancel(msg
, hdr
);
11768 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11770 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
11771 const char *mac
, gfp_t gfp
)
11773 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11774 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11775 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11781 cb
= (void **)msg
->cb
;
11783 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11789 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11790 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11791 goto nla_put_failure
;
11793 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
11794 goto nla_put_failure
;
11796 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
11798 goto nla_put_failure
;
11808 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
11810 void **cb
= (void **)msg
->cb
;
11811 struct cfg80211_registered_device
*rdev
= cb
[2];
11813 nla_nest_end(msg
, cb
[1]);
11814 genlmsg_end(msg
, cb
[0]);
11816 memset(msg
->cb
, 0, sizeof(msg
->cb
));
11818 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11819 NL80211_MCGRP_MLME
, gfp
);
11822 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11823 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11826 struct sk_buff
*msg
;
11828 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11830 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
11831 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
11834 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
11838 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11840 goto nla_put_failure
;
11842 cfg80211_send_cqm(msg
, gfp
);
11849 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11851 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11852 const u8
*peer
, u32 num_packets
,
11853 u32 rate
, u32 intvl
, gfp_t gfp
)
11855 struct sk_buff
*msg
;
11857 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
11861 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11862 goto nla_put_failure
;
11864 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11865 goto nla_put_failure
;
11867 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11868 goto nla_put_failure
;
11870 cfg80211_send_cqm(msg
, gfp
);
11876 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11878 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11879 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11881 struct sk_buff
*msg
;
11883 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11885 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
11889 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11890 goto nla_put_failure
;
11892 cfg80211_send_cqm(msg
, gfp
);
11898 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11900 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
11902 struct sk_buff
*msg
;
11904 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
11908 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
11909 goto nla_put_failure
;
11911 cfg80211_send_cqm(msg
, gfp
);
11917 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
11919 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
11920 struct net_device
*netdev
, const u8
*bssid
,
11921 const u8
*replay_ctr
, gfp_t gfp
)
11923 struct sk_buff
*msg
;
11924 struct nlattr
*rekey_attr
;
11927 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11931 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
11937 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11938 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11939 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11940 goto nla_put_failure
;
11942 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
11944 goto nla_put_failure
;
11946 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
11947 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
11948 goto nla_put_failure
;
11950 nla_nest_end(msg
, rekey_attr
);
11952 genlmsg_end(msg
, hdr
);
11954 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11955 NL80211_MCGRP_MLME
, gfp
);
11959 genlmsg_cancel(msg
, hdr
);
11963 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
11964 const u8
*replay_ctr
, gfp_t gfp
)
11966 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11967 struct wiphy
*wiphy
= wdev
->wiphy
;
11968 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11970 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11971 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11973 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11976 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11977 struct net_device
*netdev
, int index
,
11978 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11980 struct sk_buff
*msg
;
11981 struct nlattr
*attr
;
11984 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11988 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11994 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11995 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11996 goto nla_put_failure
;
11998 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
12000 goto nla_put_failure
;
12002 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12003 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12005 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12006 goto nla_put_failure
;
12008 nla_nest_end(msg
, attr
);
12010 genlmsg_end(msg
, hdr
);
12012 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12013 NL80211_MCGRP_MLME
, gfp
);
12017 genlmsg_cancel(msg
, hdr
);
12021 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12022 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12024 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12025 struct wiphy
*wiphy
= wdev
->wiphy
;
12026 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12028 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12029 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12031 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12033 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12034 struct net_device
*netdev
,
12035 struct cfg80211_chan_def
*chandef
,
12037 enum nl80211_commands notif
,
12040 struct sk_buff
*msg
;
12043 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12047 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12053 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12054 goto nla_put_failure
;
12056 if (nl80211_send_chandef(msg
, chandef
))
12057 goto nla_put_failure
;
12059 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12060 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12061 goto nla_put_failure
;
12063 genlmsg_end(msg
, hdr
);
12065 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12066 NL80211_MCGRP_MLME
, gfp
);
12070 genlmsg_cancel(msg
, hdr
);
12074 void cfg80211_ch_switch_notify(struct net_device
*dev
,
12075 struct cfg80211_chan_def
*chandef
)
12077 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12078 struct wiphy
*wiphy
= wdev
->wiphy
;
12079 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12081 ASSERT_WDEV_LOCK(wdev
);
12083 trace_cfg80211_ch_switch_notify(dev
, chandef
);
12085 wdev
->chandef
= *chandef
;
12086 wdev
->preset_chandef
= *chandef
;
12087 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12088 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
12090 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
12092 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
12093 struct cfg80211_chan_def
*chandef
,
12096 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12097 struct wiphy
*wiphy
= wdev
->wiphy
;
12098 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12100 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
12102 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12103 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
12105 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
12108 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12109 const struct cfg80211_chan_def
*chandef
,
12110 enum nl80211_radar_event event
,
12111 struct net_device
*netdev
, gfp_t gfp
)
12113 struct sk_buff
*msg
;
12116 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12120 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12126 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12127 goto nla_put_failure
;
12129 /* NOP and radar events don't need a netdev parameter */
12131 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12133 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12134 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12135 goto nla_put_failure
;
12138 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12139 goto nla_put_failure
;
12141 if (nl80211_send_chandef(msg
, chandef
))
12142 goto nla_put_failure
;
12144 genlmsg_end(msg
, hdr
);
12146 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12147 NL80211_MCGRP_MLME
, gfp
);
12151 genlmsg_cancel(msg
, hdr
);
12155 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12156 u64 cookie
, bool acked
, gfp_t gfp
)
12158 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12159 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12160 struct sk_buff
*msg
;
12163 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12165 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12170 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12176 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12177 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12178 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12179 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12180 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
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
);
12193 EXPORT_SYMBOL(cfg80211_probe_status
);
12195 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12196 const u8
*frame
, size_t len
,
12197 int freq
, int sig_dbm
)
12199 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12200 struct sk_buff
*msg
;
12202 struct cfg80211_beacon_registration
*reg
;
12204 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12206 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12207 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12208 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12210 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12214 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12216 goto nla_put_failure
;
12218 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12220 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12222 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12223 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12224 goto nla_put_failure
;
12226 genlmsg_end(msg
, hdr
);
12228 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12230 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12234 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12236 genlmsg_cancel(msg
, hdr
);
12239 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12242 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12243 struct cfg80211_wowlan_wakeup
*wakeup
)
12245 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12246 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12249 nl_results
= nla_nest_start(
12250 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12254 for (i
= 0; i
< nd
->n_matches
; i
++) {
12255 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12257 nl_match
= nla_nest_start(msg
, i
);
12261 /* The SSID attribute is optional in nl80211, but for
12262 * simplicity reasons it's always present in the
12263 * cfg80211 structure. If a driver can't pass the
12264 * SSID, that needs to be changed. A zero length SSID
12265 * is still a valid SSID (wildcard), so it cannot be
12266 * used for this purpose.
12268 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
12269 match
->ssid
.ssid
)) {
12270 nla_nest_cancel(msg
, nl_match
);
12274 if (match
->n_channels
) {
12275 nl_freqs
= nla_nest_start(
12276 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12278 nla_nest_cancel(msg
, nl_match
);
12282 for (j
= 0; j
< match
->n_channels
; j
++) {
12283 if (nla_put_u32(msg
,
12284 NL80211_ATTR_WIPHY_FREQ
,
12285 match
->channels
[j
])) {
12286 nla_nest_cancel(msg
, nl_freqs
);
12287 nla_nest_cancel(msg
, nl_match
);
12292 nla_nest_end(msg
, nl_freqs
);
12295 nla_nest_end(msg
, nl_match
);
12299 nla_nest_end(msg
, nl_results
);
12303 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
12304 struct cfg80211_wowlan_wakeup
*wakeup
,
12307 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12308 struct sk_buff
*msg
;
12312 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
12315 size
+= wakeup
->packet_present_len
;
12317 msg
= nlmsg_new(size
, gfp
);
12321 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
12325 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12326 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12329 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12330 wdev
->netdev
->ifindex
))
12334 struct nlattr
*reasons
;
12336 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
12340 if (wakeup
->disconnect
&&
12341 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
12343 if (wakeup
->magic_pkt
&&
12344 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
12346 if (wakeup
->gtk_rekey_failure
&&
12347 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
12349 if (wakeup
->eap_identity_req
&&
12350 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
12352 if (wakeup
->four_way_handshake
&&
12353 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
12355 if (wakeup
->rfkill_release
&&
12356 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
12359 if (wakeup
->pattern_idx
>= 0 &&
12360 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
12361 wakeup
->pattern_idx
))
12364 if (wakeup
->tcp_match
&&
12365 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
12368 if (wakeup
->tcp_connlost
&&
12369 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
12372 if (wakeup
->tcp_nomoretokens
&&
12374 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
12377 if (wakeup
->packet
) {
12378 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
12379 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
12381 if (!wakeup
->packet_80211
) {
12383 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
12385 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
12388 if (wakeup
->packet_len
&&
12389 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
12392 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
12397 if (wakeup
->net_detect
&&
12398 cfg80211_net_detect_results(msg
, wakeup
))
12401 nla_nest_end(msg
, reasons
);
12404 genlmsg_end(msg
, hdr
);
12406 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12407 NL80211_MCGRP_MLME
, gfp
);
12413 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12416 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12417 enum nl80211_tdls_operation oper
,
12418 u16 reason_code
, gfp_t gfp
)
12420 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12421 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12422 struct sk_buff
*msg
;
12425 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12428 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12432 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12438 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12439 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12440 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12441 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12442 (reason_code
> 0 &&
12443 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12444 goto nla_put_failure
;
12446 genlmsg_end(msg
, hdr
);
12448 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12449 NL80211_MCGRP_MLME
, gfp
);
12453 genlmsg_cancel(msg
, hdr
);
12456 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12458 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12459 unsigned long state
,
12462 struct netlink_notify
*notify
= _notify
;
12463 struct cfg80211_registered_device
*rdev
;
12464 struct wireless_dev
*wdev
;
12465 struct cfg80211_beacon_registration
*reg
, *tmp
;
12467 if (state
!= NETLINK_URELEASE
)
12468 return NOTIFY_DONE
;
12472 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12473 bool schedule_destroy_work
= false;
12475 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12476 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12478 if (wdev
->owner_nlportid
== notify
->portid
)
12479 schedule_destroy_work
= true;
12482 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12483 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12485 if (reg
->nlportid
== notify
->portid
) {
12486 list_del(®
->list
);
12491 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12493 if (schedule_destroy_work
) {
12494 struct cfg80211_iface_destroy
*destroy
;
12496 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12498 destroy
->nlportid
= notify
->portid
;
12499 spin_lock(&rdev
->destroy_list_lock
);
12500 list_add(&destroy
->list
, &rdev
->destroy_list
);
12501 spin_unlock(&rdev
->destroy_list_lock
);
12502 schedule_work(&rdev
->destroy_work
);
12512 static struct notifier_block nl80211_netlink_notifier
= {
12513 .notifier_call
= nl80211_netlink_notify
,
12516 void cfg80211_ft_event(struct net_device
*netdev
,
12517 struct cfg80211_ft_event_params
*ft_event
)
12519 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12520 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12521 struct sk_buff
*msg
;
12524 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12526 if (!ft_event
->target_ap
)
12529 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12533 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12537 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12538 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12539 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12542 if (ft_event
->ies
&&
12543 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12545 if (ft_event
->ric_ies
&&
12546 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12547 ft_event
->ric_ies
))
12550 genlmsg_end(msg
, hdr
);
12552 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12553 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12558 EXPORT_SYMBOL(cfg80211_ft_event
);
12560 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12562 struct cfg80211_registered_device
*rdev
;
12563 struct sk_buff
*msg
;
12567 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12568 if (!rdev
->crit_proto_nlportid
)
12571 nlportid
= rdev
->crit_proto_nlportid
;
12572 rdev
->crit_proto_nlportid
= 0;
12574 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12578 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12580 goto nla_put_failure
;
12582 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12583 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12584 goto nla_put_failure
;
12586 genlmsg_end(msg
, hdr
);
12588 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12593 genlmsg_cancel(msg
, hdr
);
12597 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12599 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12601 struct wiphy
*wiphy
= wdev
->wiphy
;
12602 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12603 struct sk_buff
*msg
;
12606 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12610 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12614 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12615 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12616 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12619 genlmsg_end(msg
, hdr
);
12621 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12622 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12628 /* initialisation/exit functions */
12630 int nl80211_init(void)
12634 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12639 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12645 genl_unregister_family(&nl80211_fam
);
12649 void nl80211_exit(void)
12651 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12652 genl_unregister_family(&nl80211_fam
);