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 if (!pairwise
&& mac_addr
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2860 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2864 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2865 NL80211_CMD_NEW_KEY
);
2867 goto nla_put_failure
;
2870 cookie
.idx
= key_idx
;
2872 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2873 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2874 goto nla_put_failure
;
2876 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2877 goto nla_put_failure
;
2879 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2886 goto nla_put_failure
;
2888 genlmsg_end(msg
, hdr
);
2889 return genlmsg_reply(msg
, info
);
2898 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2900 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2901 struct key_parse key
;
2903 struct net_device
*dev
= info
->user_ptr
[1];
2905 err
= nl80211_parse_key(info
, &key
);
2912 /* only support setting default key */
2913 if (!key
.def
&& !key
.defmgmt
)
2916 wdev_lock(dev
->ieee80211_ptr
);
2919 if (!rdev
->ops
->set_default_key
) {
2924 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2928 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2929 key
.def_uni
, key
.def_multi
);
2934 #ifdef CONFIG_CFG80211_WEXT
2935 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2938 if (key
.def_uni
|| !key
.def_multi
) {
2943 if (!rdev
->ops
->set_default_mgmt_key
) {
2948 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2952 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2956 #ifdef CONFIG_CFG80211_WEXT
2957 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2962 wdev_unlock(dev
->ieee80211_ptr
);
2967 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2969 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2971 struct net_device
*dev
= info
->user_ptr
[1];
2972 struct key_parse key
;
2973 const u8
*mac_addr
= NULL
;
2975 err
= nl80211_parse_key(info
, &key
);
2982 if (info
->attrs
[NL80211_ATTR_MAC
])
2983 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2985 if (key
.type
== -1) {
2987 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2989 key
.type
= NL80211_KEYTYPE_GROUP
;
2993 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2994 key
.type
!= NL80211_KEYTYPE_GROUP
)
2997 if (!rdev
->ops
->add_key
)
3000 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
3001 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3005 wdev_lock(dev
->ieee80211_ptr
);
3006 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3008 err
= rdev_add_key(rdev
, dev
, key
.idx
,
3009 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3011 wdev_unlock(dev
->ieee80211_ptr
);
3016 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
3018 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3020 struct net_device
*dev
= info
->user_ptr
[1];
3021 u8
*mac_addr
= NULL
;
3022 struct key_parse key
;
3024 err
= nl80211_parse_key(info
, &key
);
3028 if (info
->attrs
[NL80211_ATTR_MAC
])
3029 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3031 if (key
.type
== -1) {
3033 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
3035 key
.type
= NL80211_KEYTYPE_GROUP
;
3039 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3040 key
.type
!= NL80211_KEYTYPE_GROUP
)
3043 if (!rdev
->ops
->del_key
)
3046 wdev_lock(dev
->ieee80211_ptr
);
3047 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3049 if (key
.type
== NL80211_KEYTYPE_GROUP
&& mac_addr
&&
3050 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3054 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3055 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3058 #ifdef CONFIG_CFG80211_WEXT
3060 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3061 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3062 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3063 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3066 wdev_unlock(dev
->ieee80211_ptr
);
3071 /* This function returns an error or the number of nested attributes */
3072 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3074 struct nlattr
*attr
;
3075 int n_entries
= 0, tmp
;
3077 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3078 if (nla_len(attr
) != ETH_ALEN
)
3088 * This function parses ACL information and allocates memory for ACL data.
3089 * On successful return, the calling function is responsible to free the
3090 * ACL buffer returned by this function.
3092 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3093 struct genl_info
*info
)
3095 enum nl80211_acl_policy acl_policy
;
3096 struct nlattr
*attr
;
3097 struct cfg80211_acl_data
*acl
;
3098 int i
= 0, n_entries
, tmp
;
3100 if (!wiphy
->max_acl_mac_addrs
)
3101 return ERR_PTR(-EOPNOTSUPP
);
3103 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3104 return ERR_PTR(-EINVAL
);
3106 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3107 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3108 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3109 return ERR_PTR(-EINVAL
);
3111 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3112 return ERR_PTR(-EINVAL
);
3114 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3116 return ERR_PTR(n_entries
);
3118 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3119 return ERR_PTR(-ENOTSUPP
);
3121 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3124 return ERR_PTR(-ENOMEM
);
3126 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3127 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3131 acl
->n_acl_entries
= n_entries
;
3132 acl
->acl_policy
= acl_policy
;
3137 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3139 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3140 struct net_device
*dev
= info
->user_ptr
[1];
3141 struct cfg80211_acl_data
*acl
;
3144 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3145 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3148 if (!dev
->ieee80211_ptr
->beacon_interval
)
3151 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3153 return PTR_ERR(acl
);
3155 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3162 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3163 struct cfg80211_beacon_data
*bcn
)
3165 bool haveinfo
= false;
3167 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3168 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3169 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3170 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3173 memset(bcn
, 0, sizeof(*bcn
));
3175 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3176 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3177 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3183 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3184 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3185 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3192 if (attrs
[NL80211_ATTR_IE
]) {
3193 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3194 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3197 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3198 bcn
->proberesp_ies
=
3199 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3200 bcn
->proberesp_ies_len
=
3201 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3204 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3205 bcn
->assocresp_ies
=
3206 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3207 bcn
->assocresp_ies_len
=
3208 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3211 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3212 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3213 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3219 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3220 struct cfg80211_ap_settings
*params
)
3222 struct wireless_dev
*wdev
;
3225 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3226 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3227 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3230 if (!wdev
->preset_chandef
.chan
)
3233 params
->chandef
= wdev
->preset_chandef
;
3241 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3242 enum nl80211_auth_type auth_type
,
3243 enum nl80211_commands cmd
)
3245 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3249 case NL80211_CMD_AUTHENTICATE
:
3250 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3251 auth_type
== NL80211_AUTHTYPE_SAE
)
3254 case NL80211_CMD_CONNECT
:
3255 case NL80211_CMD_START_AP
:
3256 /* SAE not supported yet */
3257 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3265 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3267 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3268 struct net_device
*dev
= info
->user_ptr
[1];
3269 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3270 struct cfg80211_ap_settings params
;
3273 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3274 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3277 if (!rdev
->ops
->start_ap
)
3280 if (wdev
->beacon_interval
)
3283 memset(¶ms
, 0, sizeof(params
));
3285 /* these are required for START_AP */
3286 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3287 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3288 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3291 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3295 params
.beacon_interval
=
3296 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3297 params
.dtim_period
=
3298 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3300 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3305 * In theory, some of these attributes should be required here
3306 * but since they were not used when the command was originally
3307 * added, keep them optional for old user space programs to let
3308 * them continue to work with drivers that do not need the
3309 * additional information -- drivers must check!
3311 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3312 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3314 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3315 if (params
.ssid_len
== 0 ||
3316 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3320 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3321 params
.hidden_ssid
= nla_get_u32(
3322 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3323 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3324 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3325 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3329 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3331 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3332 params
.auth_type
= nla_get_u32(
3333 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3334 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3335 NL80211_CMD_START_AP
))
3338 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3340 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3341 NL80211_MAX_NR_CIPHER_SUITES
);
3345 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3346 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3348 params
.inactivity_timeout
= nla_get_u16(
3349 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3352 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3353 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3355 params
.p2p_ctwindow
=
3356 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3357 if (params
.p2p_ctwindow
> 127)
3359 if (params
.p2p_ctwindow
!= 0 &&
3360 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3364 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3367 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3369 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3372 params
.p2p_opp_ps
= tmp
;
3373 if (params
.p2p_opp_ps
!= 0 &&
3374 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3378 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3379 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3382 } else if (wdev
->preset_chandef
.chan
) {
3383 params
.chandef
= wdev
->preset_chandef
;
3384 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3387 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3391 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3392 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3393 if (IS_ERR(params
.acl
))
3394 return PTR_ERR(params
.acl
);
3397 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3399 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3400 switch (params
.smps_mode
) {
3401 case NL80211_SMPS_OFF
:
3403 case NL80211_SMPS_STATIC
:
3404 if (!(rdev
->wiphy
.features
&
3405 NL80211_FEATURE_STATIC_SMPS
))
3408 case NL80211_SMPS_DYNAMIC
:
3409 if (!(rdev
->wiphy
.features
&
3410 NL80211_FEATURE_DYNAMIC_SMPS
))
3417 params
.smps_mode
= NL80211_SMPS_OFF
;
3421 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3423 wdev
->preset_chandef
= params
.chandef
;
3424 wdev
->beacon_interval
= params
.beacon_interval
;
3425 wdev
->chandef
= params
.chandef
;
3426 wdev
->ssid_len
= params
.ssid_len
;
3427 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3436 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3438 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3439 struct net_device
*dev
= info
->user_ptr
[1];
3440 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3441 struct cfg80211_beacon_data params
;
3444 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3445 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3448 if (!rdev
->ops
->change_beacon
)
3451 if (!wdev
->beacon_interval
)
3454 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3459 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3465 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3467 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3468 struct net_device
*dev
= info
->user_ptr
[1];
3470 return cfg80211_stop_ap(rdev
, dev
, false);
3473 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3474 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3475 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3476 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3477 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3478 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3479 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3482 static int parse_station_flags(struct genl_info
*info
,
3483 enum nl80211_iftype iftype
,
3484 struct station_parameters
*params
)
3486 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3491 * Try parsing the new attribute first so userspace
3492 * can specify both for older kernels.
3494 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3496 struct nl80211_sta_flag_update
*sta_flags
;
3498 sta_flags
= nla_data(nla
);
3499 params
->sta_flags_mask
= sta_flags
->mask
;
3500 params
->sta_flags_set
= sta_flags
->set
;
3501 params
->sta_flags_set
&= params
->sta_flags_mask
;
3502 if ((params
->sta_flags_mask
|
3503 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3508 /* if present, parse the old attribute */
3510 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3514 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3515 nla
, sta_flags_policy
))
3519 * Only allow certain flags for interface types so that
3520 * other attributes are silently ignored. Remember that
3521 * this is backward compatibility code with old userspace
3522 * and shouldn't be hit in other cases anyway.
3525 case NL80211_IFTYPE_AP
:
3526 case NL80211_IFTYPE_AP_VLAN
:
3527 case NL80211_IFTYPE_P2P_GO
:
3528 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3529 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3530 BIT(NL80211_STA_FLAG_WME
) |
3531 BIT(NL80211_STA_FLAG_MFP
);
3533 case NL80211_IFTYPE_P2P_CLIENT
:
3534 case NL80211_IFTYPE_STATION
:
3535 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3536 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3538 case NL80211_IFTYPE_MESH_POINT
:
3539 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3540 BIT(NL80211_STA_FLAG_MFP
) |
3541 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3546 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3548 params
->sta_flags_set
|= (1<<flag
);
3550 /* no longer support new API additions in old API */
3551 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3559 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3562 struct nlattr
*rate
;
3566 rate
= nla_nest_start(msg
, attr
);
3570 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3571 bitrate
= cfg80211_calculate_bitrate(info
);
3572 /* report 16-bit bitrate only if we can */
3573 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3575 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3577 if (bitrate_compat
> 0 &&
3578 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3581 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3582 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3584 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3585 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3587 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3588 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3590 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3591 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3593 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3595 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3596 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3598 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3599 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3601 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3602 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3604 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3605 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3607 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3608 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3612 nla_nest_end(msg
, rate
);
3616 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3625 attr
= nla_nest_start(msg
, id
);
3629 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3630 if (!(mask
& BIT(i
)))
3633 if (nla_put_u8(msg
, i
, signal
[i
]))
3637 nla_nest_end(msg
, attr
);
3642 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3644 struct cfg80211_registered_device
*rdev
,
3645 struct net_device
*dev
,
3646 const u8
*mac_addr
, struct station_info
*sinfo
)
3649 struct nlattr
*sinfoattr
, *bss_param
;
3651 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3655 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3656 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3657 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3658 goto nla_put_failure
;
3660 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3662 goto nla_put_failure
;
3663 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3664 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3665 sinfo
->connected_time
))
3666 goto nla_put_failure
;
3667 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3668 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3669 sinfo
->inactive_time
))
3670 goto nla_put_failure
;
3671 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3672 STATION_INFO_RX_BYTES64
)) &&
3673 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3674 (u32
)sinfo
->rx_bytes
))
3675 goto nla_put_failure
;
3676 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3677 STATION_INFO_TX_BYTES64
)) &&
3678 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3679 (u32
)sinfo
->tx_bytes
))
3680 goto nla_put_failure
;
3681 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3682 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3684 goto nla_put_failure
;
3685 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3686 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3688 goto nla_put_failure
;
3689 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3690 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3691 goto nla_put_failure
;
3692 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3693 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3694 goto nla_put_failure
;
3695 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3696 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3697 sinfo
->plink_state
))
3698 goto nla_put_failure
;
3699 switch (rdev
->wiphy
.signal_type
) {
3700 case CFG80211_SIGNAL_TYPE_MBM
:
3701 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3702 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3704 goto nla_put_failure
;
3705 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3706 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3708 goto nla_put_failure
;
3713 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3714 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3715 sinfo
->chain_signal
,
3716 NL80211_STA_INFO_CHAIN_SIGNAL
))
3717 goto nla_put_failure
;
3719 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3720 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3721 sinfo
->chain_signal_avg
,
3722 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3723 goto nla_put_failure
;
3725 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3726 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3727 NL80211_STA_INFO_TX_BITRATE
))
3728 goto nla_put_failure
;
3730 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3731 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3732 NL80211_STA_INFO_RX_BITRATE
))
3733 goto nla_put_failure
;
3735 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3736 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3738 goto nla_put_failure
;
3739 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3740 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3742 goto nla_put_failure
;
3743 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3744 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3746 goto nla_put_failure
;
3747 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3748 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3750 goto nla_put_failure
;
3751 if ((sinfo
->filled
& STATION_INFO_EXPECTED_THROUGHPUT
) &&
3752 nla_put_u32(msg
, NL80211_STA_INFO_EXPECTED_THROUGHPUT
,
3753 sinfo
->expected_throughput
))
3754 goto nla_put_failure
;
3755 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3756 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3757 sinfo
->beacon_loss_count
))
3758 goto nla_put_failure
;
3759 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3760 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3762 goto nla_put_failure
;
3763 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3764 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3766 goto nla_put_failure
;
3767 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3768 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3770 goto nla_put_failure
;
3771 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3772 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3774 goto nla_put_failure
;
3776 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3777 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3778 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3779 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3780 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3781 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3782 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3783 sinfo
->bss_param
.dtim_period
) ||
3784 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3785 sinfo
->bss_param
.beacon_interval
))
3786 goto nla_put_failure
;
3788 nla_nest_end(msg
, bss_param
);
3790 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3791 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3792 sizeof(struct nl80211_sta_flag_update
),
3794 goto nla_put_failure
;
3795 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3796 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3798 goto nla_put_failure
;
3799 nla_nest_end(msg
, sinfoattr
);
3801 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3802 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3803 sinfo
->assoc_req_ies
))
3804 goto nla_put_failure
;
3806 return genlmsg_end(msg
, hdr
);
3809 genlmsg_cancel(msg
, hdr
);
3813 static int nl80211_dump_station(struct sk_buff
*skb
,
3814 struct netlink_callback
*cb
)
3816 struct station_info sinfo
;
3817 struct cfg80211_registered_device
*rdev
;
3818 struct wireless_dev
*wdev
;
3819 u8 mac_addr
[ETH_ALEN
];
3820 int sta_idx
= cb
->args
[2];
3823 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3827 if (!wdev
->netdev
) {
3832 if (!rdev
->ops
->dump_station
) {
3838 memset(&sinfo
, 0, sizeof(sinfo
));
3839 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3846 if (nl80211_send_station(skb
,
3847 NETLINK_CB(cb
->skb
).portid
,
3848 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3849 rdev
, wdev
->netdev
, mac_addr
,
3858 cb
->args
[2] = sta_idx
;
3861 nl80211_finish_wdev_dump(rdev
);
3866 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3868 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3869 struct net_device
*dev
= info
->user_ptr
[1];
3870 struct station_info sinfo
;
3871 struct sk_buff
*msg
;
3872 u8
*mac_addr
= NULL
;
3875 memset(&sinfo
, 0, sizeof(sinfo
));
3877 if (!info
->attrs
[NL80211_ATTR_MAC
])
3880 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3882 if (!rdev
->ops
->get_station
)
3885 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3889 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3893 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3894 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3899 return genlmsg_reply(msg
, info
);
3902 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3903 struct station_parameters
*params
,
3904 enum cfg80211_station_type statype
)
3906 if (params
->listen_interval
!= -1)
3909 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3912 /* When you run into this, adjust the code below for the new flag */
3913 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3916 case CFG80211_STA_MESH_PEER_KERNEL
:
3917 case CFG80211_STA_MESH_PEER_USER
:
3919 * No ignoring the TDLS flag here -- the userspace mesh
3920 * code doesn't have the bug of including TDLS in the
3923 if (params
->sta_flags_mask
&
3924 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3925 BIT(NL80211_STA_FLAG_MFP
) |
3926 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3929 case CFG80211_STA_TDLS_PEER_SETUP
:
3930 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3931 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3933 /* ignore since it can't change */
3934 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3937 /* disallow mesh-specific things */
3938 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3940 if (params
->local_pm
)
3942 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3946 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3947 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3948 /* TDLS can't be set, ... */
3949 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3952 * ... but don't bother the driver with it. This works around
3953 * a hostapd/wpa_supplicant issue -- it always includes the
3954 * TLDS_PEER flag in the mask even for AP mode.
3956 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3959 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3960 /* reject other things that can't change */
3961 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3963 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3965 if (params
->supported_rates
)
3967 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3971 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3977 case CFG80211_STA_AP_MLME_CLIENT
:
3978 /* Use this only for authorizing/unauthorizing a station */
3979 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3982 case CFG80211_STA_AP_CLIENT
:
3983 /* accept only the listed bits */
3984 if (params
->sta_flags_mask
&
3985 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3986 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3987 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3988 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3989 BIT(NL80211_STA_FLAG_WME
) |
3990 BIT(NL80211_STA_FLAG_MFP
)))
3993 /* but authenticated/associated only if driver handles it */
3994 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3995 params
->sta_flags_mask
&
3996 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3997 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4000 case CFG80211_STA_IBSS
:
4001 case CFG80211_STA_AP_STA
:
4002 /* reject any changes other than AUTHORIZED */
4003 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
4006 case CFG80211_STA_TDLS_PEER_SETUP
:
4007 /* reject any changes other than AUTHORIZED or WME */
4008 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
4009 BIT(NL80211_STA_FLAG_WME
)))
4011 /* force (at least) rates when authorizing */
4012 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
4013 !params
->supported_rates
)
4016 case CFG80211_STA_TDLS_PEER_ACTIVE
:
4017 /* reject any changes */
4019 case CFG80211_STA_MESH_PEER_KERNEL
:
4020 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
4023 case CFG80211_STA_MESH_PEER_USER
:
4024 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
4031 EXPORT_SYMBOL(cfg80211_check_station_change
);
4034 * Get vlan interface making sure it is running and on the right wiphy.
4036 static struct net_device
*get_vlan(struct genl_info
*info
,
4037 struct cfg80211_registered_device
*rdev
)
4039 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4040 struct net_device
*v
;
4046 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4048 return ERR_PTR(-ENODEV
);
4050 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4055 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4056 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4057 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4062 if (!netif_running(v
)) {
4070 return ERR_PTR(ret
);
4073 static const struct nla_policy
4074 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4075 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4076 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4079 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4080 struct station_parameters
*params
)
4082 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4086 /* parse WME attributes if present */
4087 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4090 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4091 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4092 nl80211_sta_wme_policy
);
4096 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4097 params
->uapsd_queues
= nla_get_u8(
4098 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4099 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4102 if (tb
[NL80211_STA_WME_MAX_SP
])
4103 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4105 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4108 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4113 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4114 struct station_parameters
*params
)
4116 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4117 params
->supported_channels
=
4118 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4119 params
->supported_channels_len
=
4120 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4122 * Need to include at least one (first channel, number of
4123 * channels) tuple for each subband, and must have proper
4124 * tuples for the rest of the data as well.
4126 if (params
->supported_channels_len
< 2)
4128 if (params
->supported_channels_len
% 2)
4132 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4133 params
->supported_oper_classes
=
4134 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4135 params
->supported_oper_classes_len
=
4136 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4138 * The value of the Length field of the Supported Operating
4139 * Classes element is between 2 and 253.
4141 if (params
->supported_oper_classes_len
< 2 ||
4142 params
->supported_oper_classes_len
> 253)
4148 static int nl80211_set_station_tdls(struct genl_info
*info
,
4149 struct station_parameters
*params
)
4152 /* Dummy STA entry gets updated once the peer capabilities are known */
4153 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4154 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4155 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4157 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4158 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4160 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4162 err
= nl80211_parse_sta_channel_info(info
, params
);
4166 return nl80211_parse_sta_wme(info
, params
);
4169 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4171 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4172 struct net_device
*dev
= info
->user_ptr
[1];
4173 struct station_parameters params
;
4177 memset(¶ms
, 0, sizeof(params
));
4179 params
.listen_interval
= -1;
4181 if (!rdev
->ops
->change_station
)
4184 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4187 if (!info
->attrs
[NL80211_ATTR_MAC
])
4190 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4192 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4193 params
.supported_rates
=
4194 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4195 params
.supported_rates_len
=
4196 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4199 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4201 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4202 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4205 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4207 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4208 params
.ext_capab_len
=
4209 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4212 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4215 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4218 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4219 params
.plink_action
=
4220 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4221 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4225 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4226 params
.plink_state
=
4227 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4228 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4230 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4233 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4234 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4235 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4237 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4238 pm
> NL80211_MESH_POWER_MAX
)
4241 params
.local_pm
= pm
;
4244 /* Include parameters for TDLS peer (will check later) */
4245 err
= nl80211_set_station_tdls(info
, ¶ms
);
4249 params
.vlan
= get_vlan(info
, rdev
);
4250 if (IS_ERR(params
.vlan
))
4251 return PTR_ERR(params
.vlan
);
4253 switch (dev
->ieee80211_ptr
->iftype
) {
4254 case NL80211_IFTYPE_AP
:
4255 case NL80211_IFTYPE_AP_VLAN
:
4256 case NL80211_IFTYPE_P2P_GO
:
4257 case NL80211_IFTYPE_P2P_CLIENT
:
4258 case NL80211_IFTYPE_STATION
:
4259 case NL80211_IFTYPE_ADHOC
:
4260 case NL80211_IFTYPE_MESH_POINT
:
4267 /* driver will call cfg80211_check_station_change() */
4268 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4272 dev_put(params
.vlan
);
4277 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4279 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4281 struct net_device
*dev
= info
->user_ptr
[1];
4282 struct station_parameters params
;
4283 u8
*mac_addr
= NULL
;
4285 memset(¶ms
, 0, sizeof(params
));
4287 if (!rdev
->ops
->add_station
)
4290 if (!info
->attrs
[NL80211_ATTR_MAC
])
4293 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4296 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4299 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4300 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4303 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4304 params
.supported_rates
=
4305 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4306 params
.supported_rates_len
=
4307 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4308 params
.listen_interval
=
4309 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4311 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4312 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4314 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4315 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4318 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4320 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4321 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4324 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4326 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4327 params
.ext_capab_len
=
4328 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4331 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4333 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4335 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4337 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4339 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4340 params
.opmode_notif_used
= true;
4341 params
.opmode_notif
=
4342 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4345 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4346 params
.plink_action
=
4347 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4348 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4352 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4356 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4360 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4363 /* When you run into this, adjust the code below for the new flag */
4364 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4366 switch (dev
->ieee80211_ptr
->iftype
) {
4367 case NL80211_IFTYPE_AP
:
4368 case NL80211_IFTYPE_AP_VLAN
:
4369 case NL80211_IFTYPE_P2P_GO
:
4370 /* ignore WME attributes if iface/sta is not capable */
4371 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4372 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4373 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4375 /* TDLS peers cannot be added */
4376 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4377 info
->attrs
[NL80211_ATTR_PEER_AID
])
4379 /* but don't bother the driver with it */
4380 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4382 /* allow authenticated/associated only if driver handles it */
4383 if (!(rdev
->wiphy
.features
&
4384 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4385 params
.sta_flags_mask
&
4386 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4387 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4390 /* must be last in here for error handling */
4391 params
.vlan
= get_vlan(info
, rdev
);
4392 if (IS_ERR(params
.vlan
))
4393 return PTR_ERR(params
.vlan
);
4395 case NL80211_IFTYPE_MESH_POINT
:
4396 /* ignore uAPSD data */
4397 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4399 /* associated is disallowed */
4400 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4402 /* TDLS peers cannot be added */
4403 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4404 info
->attrs
[NL80211_ATTR_PEER_AID
])
4407 case NL80211_IFTYPE_STATION
:
4408 case NL80211_IFTYPE_P2P_CLIENT
:
4409 /* ignore uAPSD data */
4410 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4412 /* these are disallowed */
4413 if (params
.sta_flags_mask
&
4414 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4415 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4417 /* Only TDLS peers can be added */
4418 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4420 /* Can only add if TDLS ... */
4421 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4423 /* ... with external setup is supported */
4424 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4427 * Older wpa_supplicant versions always mark the TDLS peer
4428 * as authorized, but it shouldn't yet be.
4430 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4436 /* be aware of params.vlan when changing code here */
4438 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4441 dev_put(params
.vlan
);
4445 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4447 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4448 struct net_device
*dev
= info
->user_ptr
[1];
4449 struct station_del_parameters params
;
4451 memset(¶ms
, 0, sizeof(params
));
4453 if (info
->attrs
[NL80211_ATTR_MAC
])
4454 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4456 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4457 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4458 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4459 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4462 if (!rdev
->ops
->del_station
)
4465 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4467 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4468 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4469 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4472 /* Default to Deauthentication frame */
4473 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4476 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4477 params
.reason_code
=
4478 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4479 if (params
.reason_code
== 0)
4480 return -EINVAL
; /* 0 is reserved */
4482 /* Default to reason code 2 */
4483 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4486 return rdev_del_station(rdev
, dev
, ¶ms
);
4489 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4490 int flags
, struct net_device
*dev
,
4491 u8
*dst
, u8
*next_hop
,
4492 struct mpath_info
*pinfo
)
4495 struct nlattr
*pinfoattr
;
4497 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4501 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4502 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4503 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4504 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4505 goto nla_put_failure
;
4507 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4509 goto nla_put_failure
;
4510 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4511 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4513 goto nla_put_failure
;
4514 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4515 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4516 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4517 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4519 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4520 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4522 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4523 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4525 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4526 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4527 pinfo
->discovery_timeout
)) ||
4528 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4529 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4530 pinfo
->discovery_retries
)))
4531 goto nla_put_failure
;
4533 nla_nest_end(msg
, pinfoattr
);
4535 return genlmsg_end(msg
, hdr
);
4538 genlmsg_cancel(msg
, hdr
);
4542 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4543 struct netlink_callback
*cb
)
4545 struct mpath_info pinfo
;
4546 struct cfg80211_registered_device
*rdev
;
4547 struct wireless_dev
*wdev
;
4549 u8 next_hop
[ETH_ALEN
];
4550 int path_idx
= cb
->args
[2];
4553 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4557 if (!rdev
->ops
->dump_mpath
) {
4562 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4568 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4575 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4576 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4577 wdev
->netdev
, dst
, next_hop
,
4586 cb
->args
[2] = path_idx
;
4589 nl80211_finish_wdev_dump(rdev
);
4593 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4595 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4597 struct net_device
*dev
= info
->user_ptr
[1];
4598 struct mpath_info pinfo
;
4599 struct sk_buff
*msg
;
4601 u8 next_hop
[ETH_ALEN
];
4603 memset(&pinfo
, 0, sizeof(pinfo
));
4605 if (!info
->attrs
[NL80211_ATTR_MAC
])
4608 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4610 if (!rdev
->ops
->get_mpath
)
4613 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4616 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4620 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4624 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4625 dev
, dst
, next_hop
, &pinfo
) < 0) {
4630 return genlmsg_reply(msg
, info
);
4633 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4635 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4636 struct net_device
*dev
= info
->user_ptr
[1];
4638 u8
*next_hop
= NULL
;
4640 if (!info
->attrs
[NL80211_ATTR_MAC
])
4643 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4646 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4647 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4649 if (!rdev
->ops
->change_mpath
)
4652 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4655 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4658 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4660 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4661 struct net_device
*dev
= info
->user_ptr
[1];
4663 u8
*next_hop
= NULL
;
4665 if (!info
->attrs
[NL80211_ATTR_MAC
])
4668 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4671 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4672 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4674 if (!rdev
->ops
->add_mpath
)
4677 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4680 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4683 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4685 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4686 struct net_device
*dev
= info
->user_ptr
[1];
4689 if (info
->attrs
[NL80211_ATTR_MAC
])
4690 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4692 if (!rdev
->ops
->del_mpath
)
4695 return rdev_del_mpath(rdev
, dev
, dst
);
4698 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4700 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4702 struct net_device
*dev
= info
->user_ptr
[1];
4703 struct mpath_info pinfo
;
4704 struct sk_buff
*msg
;
4708 memset(&pinfo
, 0, sizeof(pinfo
));
4710 if (!info
->attrs
[NL80211_ATTR_MAC
])
4713 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4715 if (!rdev
->ops
->get_mpp
)
4718 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4721 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4725 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4729 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4730 dev
, dst
, mpp
, &pinfo
) < 0) {
4735 return genlmsg_reply(msg
, info
);
4738 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4739 struct netlink_callback
*cb
)
4741 struct mpath_info pinfo
;
4742 struct cfg80211_registered_device
*rdev
;
4743 struct wireless_dev
*wdev
;
4746 int path_idx
= cb
->args
[2];
4749 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4753 if (!rdev
->ops
->dump_mpp
) {
4758 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4764 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4771 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4772 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4773 wdev
->netdev
, dst
, mpp
,
4781 cb
->args
[2] = path_idx
;
4784 nl80211_finish_wdev_dump(rdev
);
4788 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4790 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4791 struct net_device
*dev
= info
->user_ptr
[1];
4792 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4793 struct bss_parameters params
;
4796 memset(¶ms
, 0, sizeof(params
));
4797 /* default to not changing parameters */
4798 params
.use_cts_prot
= -1;
4799 params
.use_short_preamble
= -1;
4800 params
.use_short_slot_time
= -1;
4801 params
.ap_isolate
= -1;
4802 params
.ht_opmode
= -1;
4803 params
.p2p_ctwindow
= -1;
4804 params
.p2p_opp_ps
= -1;
4806 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4807 params
.use_cts_prot
=
4808 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4809 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4810 params
.use_short_preamble
=
4811 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4812 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4813 params
.use_short_slot_time
=
4814 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4815 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4816 params
.basic_rates
=
4817 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4818 params
.basic_rates_len
=
4819 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4821 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4822 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4823 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4825 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4827 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4828 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4830 params
.p2p_ctwindow
=
4831 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4832 if (params
.p2p_ctwindow
< 0)
4834 if (params
.p2p_ctwindow
!= 0 &&
4835 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4839 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4842 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4844 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4847 params
.p2p_opp_ps
= tmp
;
4848 if (params
.p2p_opp_ps
&&
4849 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4853 if (!rdev
->ops
->change_bss
)
4856 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4857 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4861 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4867 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4868 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4869 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4870 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4871 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4872 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4873 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4874 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4877 static int parse_reg_rule(struct nlattr
*tb
[],
4878 struct ieee80211_reg_rule
*reg_rule
)
4880 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4881 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4883 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4885 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4887 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4889 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4891 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4894 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4896 freq_range
->start_freq_khz
=
4897 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4898 freq_range
->end_freq_khz
=
4899 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4900 freq_range
->max_bandwidth_khz
=
4901 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4903 power_rule
->max_eirp
=
4904 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4906 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4907 power_rule
->max_antenna_gain
=
4908 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4910 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4911 reg_rule
->dfs_cac_ms
=
4912 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4917 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4920 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4923 * You should only get this when cfg80211 hasn't yet initialized
4924 * completely when built-in to the kernel right between the time
4925 * window between nl80211_init() and regulatory_init(), if that is
4928 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4929 return -EINPROGRESS
;
4931 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4932 user_reg_hint_type
=
4933 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4935 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4937 switch (user_reg_hint_type
) {
4938 case NL80211_USER_REG_HINT_USER
:
4939 case NL80211_USER_REG_HINT_CELL_BASE
:
4940 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4943 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4944 return regulatory_hint_user(data
, user_reg_hint_type
);
4945 case NL80211_USER_REG_HINT_INDOOR
:
4946 return regulatory_hint_indoor_user();
4952 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4953 struct genl_info
*info
)
4955 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4956 struct net_device
*dev
= info
->user_ptr
[1];
4957 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4958 struct mesh_config cur_params
;
4961 struct nlattr
*pinfoattr
;
4962 struct sk_buff
*msg
;
4964 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4967 if (!rdev
->ops
->get_mesh_config
)
4971 /* If not connected, get default parameters */
4972 if (!wdev
->mesh_id_len
)
4973 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4975 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4981 /* Draw up a netlink message to send back */
4982 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4985 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4986 NL80211_CMD_GET_MESH_CONFIG
);
4989 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4991 goto nla_put_failure
;
4992 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4993 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4994 cur_params
.dot11MeshRetryTimeout
) ||
4995 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4996 cur_params
.dot11MeshConfirmTimeout
) ||
4997 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4998 cur_params
.dot11MeshHoldingTimeout
) ||
4999 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5000 cur_params
.dot11MeshMaxPeerLinks
) ||
5001 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
5002 cur_params
.dot11MeshMaxRetries
) ||
5003 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
5004 cur_params
.dot11MeshTTL
) ||
5005 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
5006 cur_params
.element_ttl
) ||
5007 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5008 cur_params
.auto_open_plinks
) ||
5009 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5010 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
5011 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5012 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
5013 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5014 cur_params
.path_refresh_time
) ||
5015 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5016 cur_params
.min_discovery_timeout
) ||
5017 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5018 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
5019 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5020 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
5021 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5022 cur_params
.dot11MeshHWMPperrMinInterval
) ||
5023 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5024 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
5025 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5026 cur_params
.dot11MeshHWMPRootMode
) ||
5027 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5028 cur_params
.dot11MeshHWMPRannInterval
) ||
5029 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5030 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
5031 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
5032 cur_params
.dot11MeshForwarding
) ||
5033 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5034 cur_params
.rssi_threshold
) ||
5035 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
5036 cur_params
.ht_opmode
) ||
5037 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5038 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5039 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5040 cur_params
.dot11MeshHWMProotInterval
) ||
5041 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5042 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5043 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5044 cur_params
.power_mode
) ||
5045 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5046 cur_params
.dot11MeshAwakeWindowDuration
) ||
5047 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5048 cur_params
.plink_timeout
))
5049 goto nla_put_failure
;
5050 nla_nest_end(msg
, pinfoattr
);
5051 genlmsg_end(msg
, hdr
);
5052 return genlmsg_reply(msg
, info
);
5055 genlmsg_cancel(msg
, hdr
);
5061 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5062 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5063 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5064 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5065 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5066 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5067 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5068 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5069 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5070 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5071 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5072 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5073 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5074 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5075 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5076 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5077 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5078 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5079 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5080 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5081 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5082 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5083 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5084 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5085 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5086 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5087 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5088 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5089 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5092 static const struct nla_policy
5093 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5094 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5095 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5096 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5097 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5098 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5099 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5100 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5101 .len
= IEEE80211_MAX_DATA_LEN
},
5102 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5105 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5106 struct mesh_config
*cfg
,
5109 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5112 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5115 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5117 cfg->param = fn(tb[attr]); \
5118 mask |= (1 << (attr - 1)); \
5123 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5125 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5126 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5127 nl80211_meshconf_params_policy
))
5130 /* This makes sure that there aren't more than 32 mesh config
5131 * parameters (otherwise our bitfield scheme would not work.) */
5132 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5134 /* Fill in the params struct */
5135 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5136 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5138 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5139 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5141 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5142 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5144 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5145 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5147 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5148 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5150 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5151 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5152 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5153 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5155 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5156 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5158 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5160 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5162 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5163 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5165 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5166 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5168 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5169 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5171 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5173 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5175 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5177 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5179 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5181 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5183 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5184 dot11MeshHWMPnetDiameterTraversalTime
,
5186 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5188 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5189 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5191 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5192 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5194 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5195 dot11MeshGateAnnouncementProtocol
, 0, 1,
5196 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5198 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5199 mask
, NL80211_MESHCONF_FORWARDING
,
5201 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5202 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5204 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5205 mask
, NL80211_MESHCONF_HT_OPMODE
,
5207 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5209 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5211 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5212 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5214 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5215 dot11MeshHWMPconfirmationInterval
,
5217 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5219 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5220 NL80211_MESH_POWER_ACTIVE
,
5221 NL80211_MESH_POWER_MAX
,
5222 mask
, NL80211_MESHCONF_POWER_MODE
,
5224 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5226 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5227 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5228 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5235 #undef FILL_IN_MESH_PARAM_IF_SET
5238 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5239 struct mesh_setup
*setup
)
5241 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5242 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5244 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5246 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5247 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5248 nl80211_mesh_setup_params_policy
))
5251 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5252 setup
->sync_method
=
5253 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5254 IEEE80211_SYNC_METHOD_VENDOR
:
5255 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5257 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5258 setup
->path_sel_proto
=
5259 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5260 IEEE80211_PATH_PROTOCOL_VENDOR
:
5261 IEEE80211_PATH_PROTOCOL_HWMP
;
5263 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5264 setup
->path_metric
=
5265 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5266 IEEE80211_PATH_METRIC_VENDOR
:
5267 IEEE80211_PATH_METRIC_AIRTIME
;
5270 if (tb
[NL80211_MESH_SETUP_IE
]) {
5271 struct nlattr
*ieattr
=
5272 tb
[NL80211_MESH_SETUP_IE
];
5273 if (!is_valid_ie_attr(ieattr
))
5275 setup
->ie
= nla_data(ieattr
);
5276 setup
->ie_len
= nla_len(ieattr
);
5278 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5279 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5281 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5282 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5283 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5284 if (setup
->is_secure
)
5285 setup
->user_mpm
= true;
5287 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5288 if (!setup
->user_mpm
)
5291 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5297 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5298 struct genl_info
*info
)
5300 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5301 struct net_device
*dev
= info
->user_ptr
[1];
5302 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5303 struct mesh_config cfg
;
5307 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5310 if (!rdev
->ops
->update_mesh_config
)
5313 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5318 if (!wdev
->mesh_id_len
)
5322 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5329 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5331 const struct ieee80211_regdomain
*regdom
;
5332 struct sk_buff
*msg
;
5334 struct nlattr
*nl_reg_rules
;
5337 if (!cfg80211_regdomain
)
5340 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5344 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5345 NL80211_CMD_GET_REG
);
5349 if (reg_last_request_cell_base() &&
5350 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5351 NL80211_USER_REG_HINT_CELL_BASE
))
5352 goto nla_put_failure
;
5355 regdom
= rcu_dereference(cfg80211_regdomain
);
5357 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5358 (regdom
->dfs_region
&&
5359 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5360 goto nla_put_failure_rcu
;
5362 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5364 goto nla_put_failure_rcu
;
5366 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5367 struct nlattr
*nl_reg_rule
;
5368 const struct ieee80211_reg_rule
*reg_rule
;
5369 const struct ieee80211_freq_range
*freq_range
;
5370 const struct ieee80211_power_rule
*power_rule
;
5371 unsigned int max_bandwidth_khz
;
5373 reg_rule
= ®dom
->reg_rules
[i
];
5374 freq_range
= ®_rule
->freq_range
;
5375 power_rule
= ®_rule
->power_rule
;
5377 nl_reg_rule
= nla_nest_start(msg
, i
);
5379 goto nla_put_failure_rcu
;
5381 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5382 if (!max_bandwidth_khz
)
5383 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5386 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5388 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5389 freq_range
->start_freq_khz
) ||
5390 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5391 freq_range
->end_freq_khz
) ||
5392 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5393 max_bandwidth_khz
) ||
5394 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5395 power_rule
->max_antenna_gain
) ||
5396 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5397 power_rule
->max_eirp
) ||
5398 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5399 reg_rule
->dfs_cac_ms
))
5400 goto nla_put_failure_rcu
;
5402 nla_nest_end(msg
, nl_reg_rule
);
5406 nla_nest_end(msg
, nl_reg_rules
);
5408 genlmsg_end(msg
, hdr
);
5409 return genlmsg_reply(msg
, info
);
5411 nla_put_failure_rcu
:
5414 genlmsg_cancel(msg
, hdr
);
5420 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5422 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5423 struct nlattr
*nl_reg_rule
;
5425 int rem_reg_rules
, r
;
5426 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5427 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5428 struct ieee80211_regdomain
*rd
;
5430 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5433 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5436 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5438 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5439 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5441 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5444 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5448 if (!reg_is_valid_request(alpha2
))
5451 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5452 num_rules
* sizeof(struct ieee80211_reg_rule
);
5454 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5458 rd
->n_reg_rules
= num_rules
;
5459 rd
->alpha2
[0] = alpha2
[0];
5460 rd
->alpha2
[1] = alpha2
[1];
5463 * Disable DFS master mode if the DFS region was
5464 * not supported or known on this kernel.
5466 if (reg_supported_dfs_region(dfs_region
))
5467 rd
->dfs_region
= dfs_region
;
5469 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5471 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5472 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5476 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5482 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5489 /* set_regdom took ownership */
5497 static int validate_scan_freqs(struct nlattr
*freqs
)
5499 struct nlattr
*attr1
, *attr2
;
5500 int n_channels
= 0, tmp1
, tmp2
;
5502 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5505 * Some hardware has a limited channel list for
5506 * scanning, and it is pretty much nonsensical
5507 * to scan for a channel twice, so disallow that
5508 * and don't require drivers to check that the
5509 * channel list they get isn't longer than what
5510 * they can scan, as long as they can scan all
5511 * the channels they registered at once.
5513 nla_for_each_nested(attr2
, freqs
, tmp2
)
5514 if (attr1
!= attr2
&&
5515 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5522 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5523 u8
*mac_addr
, u8
*mac_addr_mask
)
5527 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5528 memset(mac_addr
, 0, ETH_ALEN
);
5529 memset(mac_addr_mask
, 0, ETH_ALEN
);
5531 mac_addr_mask
[0] = 0x3;
5536 /* need both or none */
5537 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5540 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5541 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5543 /* don't allow or configure an mcast address */
5544 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5545 is_multicast_ether_addr(mac_addr
))
5549 * allow users to pass a MAC address that has bits set outside
5550 * of the mask, but don't bother drivers with having to deal
5553 for (i
= 0; i
< ETH_ALEN
; i
++)
5554 mac_addr
[i
] &= mac_addr_mask
[i
];
5559 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5561 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5562 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5563 struct cfg80211_scan_request
*request
;
5564 struct nlattr
*attr
;
5565 struct wiphy
*wiphy
;
5566 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5569 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5572 wiphy
= &rdev
->wiphy
;
5574 if (!rdev
->ops
->scan
)
5577 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5582 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5583 n_channels
= validate_scan_freqs(
5584 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5590 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5593 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5594 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5597 if (n_ssids
> wiphy
->max_scan_ssids
) {
5602 if (info
->attrs
[NL80211_ATTR_IE
])
5603 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5607 if (ie_len
> wiphy
->max_scan_ie_len
) {
5612 request
= kzalloc(sizeof(*request
)
5613 + sizeof(*request
->ssids
) * n_ssids
5614 + sizeof(*request
->channels
) * n_channels
5615 + ie_len
, GFP_KERNEL
);
5622 request
->ssids
= (void *)&request
->channels
[n_channels
];
5623 request
->n_ssids
= n_ssids
;
5626 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5628 request
->ie
= (void *)(request
->channels
+ n_channels
);
5632 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5633 /* user specified, bail out if channel not found */
5634 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5635 struct ieee80211_channel
*chan
;
5637 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5644 /* ignore disabled channels */
5645 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5648 request
->channels
[i
] = chan
;
5652 enum ieee80211_band band
;
5655 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5657 if (!wiphy
->bands
[band
])
5659 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5660 struct ieee80211_channel
*chan
;
5662 chan
= &wiphy
->bands
[band
]->channels
[j
];
5664 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5667 request
->channels
[i
] = chan
;
5678 request
->n_channels
= i
;
5681 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5682 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5683 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5687 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5688 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5693 if (info
->attrs
[NL80211_ATTR_IE
]) {
5694 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5695 memcpy((void *)request
->ie
,
5696 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5700 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5701 if (wiphy
->bands
[i
])
5703 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5705 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5706 nla_for_each_nested(attr
,
5707 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5709 enum ieee80211_band band
= nla_type(attr
);
5711 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5716 if (!wiphy
->bands
[band
])
5719 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5722 &request
->rates
[band
]);
5728 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5729 request
->flags
= nla_get_u32(
5730 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5731 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5732 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5737 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5738 if (!(wiphy
->features
&
5739 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5744 if (wdev
->current_bss
) {
5749 err
= nl80211_parse_random_mac(info
->attrs
,
5751 request
->mac_addr_mask
);
5758 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5760 request
->wdev
= wdev
;
5761 request
->wiphy
= &rdev
->wiphy
;
5762 request
->scan_start
= jiffies
;
5764 rdev
->scan_req
= request
;
5765 err
= rdev_scan(rdev
, request
);
5768 nl80211_send_scan_start(rdev
, wdev
);
5770 dev_hold(wdev
->netdev
);
5773 rdev
->scan_req
= NULL
;
5781 static struct cfg80211_sched_scan_request
*
5782 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
5783 struct nlattr
**attrs
)
5785 struct cfg80211_sched_scan_request
*request
;
5786 struct nlattr
*attr
;
5787 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5789 enum ieee80211_band band
;
5791 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5792 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5794 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
5795 return ERR_PTR(-EINVAL
);
5797 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5798 return ERR_PTR(-EINVAL
);
5800 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5802 return ERR_PTR(-EINVAL
);
5804 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5805 n_channels
= validate_scan_freqs(
5806 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5808 return ERR_PTR(-EINVAL
);
5810 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5813 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
5814 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5818 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5819 return ERR_PTR(-EINVAL
);
5822 * First, count the number of 'real' matchsets. Due to an issue with
5823 * the old implementation, matchsets containing only the RSSI attribute
5824 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5825 * RSSI for all matchsets, rather than their own matchset for reporting
5826 * all APs with a strong RSSI. This is needed to be compatible with
5827 * older userspace that treated a matchset with only the RSSI as the
5828 * global RSSI for all other matchsets - if there are other matchsets.
5830 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5831 nla_for_each_nested(attr
,
5832 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5834 struct nlattr
*rssi
;
5836 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5837 nla_data(attr
), nla_len(attr
),
5838 nl80211_match_policy
);
5840 return ERR_PTR(err
);
5841 /* add other standalone attributes here */
5842 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5846 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5848 default_match_rssi
= nla_get_s32(rssi
);
5852 /* However, if there's no other matchset, add the RSSI one */
5853 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5856 if (n_match_sets
> wiphy
->max_match_sets
)
5857 return ERR_PTR(-EINVAL
);
5859 if (attrs
[NL80211_ATTR_IE
])
5860 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
5864 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5865 return ERR_PTR(-EINVAL
);
5867 request
= kzalloc(sizeof(*request
)
5868 + sizeof(*request
->ssids
) * n_ssids
5869 + sizeof(*request
->match_sets
) * n_match_sets
5870 + sizeof(*request
->channels
) * n_channels
5871 + ie_len
, GFP_KERNEL
);
5873 return ERR_PTR(-ENOMEM
);
5876 request
->ssids
= (void *)&request
->channels
[n_channels
];
5877 request
->n_ssids
= n_ssids
;
5880 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5882 request
->ie
= (void *)(request
->channels
+ n_channels
);
5887 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5888 else if (request
->ssids
)
5889 request
->match_sets
=
5890 (void *)(request
->ssids
+ n_ssids
);
5892 request
->match_sets
=
5893 (void *)(request
->channels
+ n_channels
);
5895 request
->n_match_sets
= n_match_sets
;
5898 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5899 /* user specified, bail out if channel not found */
5900 nla_for_each_nested(attr
,
5901 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5903 struct ieee80211_channel
*chan
;
5905 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5912 /* ignore disabled channels */
5913 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5916 request
->channels
[i
] = chan
;
5921 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5923 if (!wiphy
->bands
[band
])
5925 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5926 struct ieee80211_channel
*chan
;
5928 chan
= &wiphy
->bands
[band
]->channels
[j
];
5930 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5933 request
->channels
[i
] = chan
;
5944 request
->n_channels
= i
;
5947 if (attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5948 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5950 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5954 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5955 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5962 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5963 nla_for_each_nested(attr
,
5964 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5966 struct nlattr
*ssid
, *rssi
;
5968 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5969 nla_data(attr
), nla_len(attr
),
5970 nl80211_match_policy
);
5973 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5975 if (WARN_ON(i
>= n_match_sets
)) {
5976 /* this indicates a programming error,
5977 * the loop above should have verified
5984 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5988 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5989 nla_data(ssid
), nla_len(ssid
));
5990 request
->match_sets
[i
].ssid
.ssid_len
=
5992 /* special attribute - old implemenation w/a */
5993 request
->match_sets
[i
].rssi_thold
=
5995 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5997 request
->match_sets
[i
].rssi_thold
=
6003 /* there was no other matchset, so the RSSI one is alone */
6004 if (i
== 0 && n_match_sets
)
6005 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
6007 request
->min_rssi_thold
= INT_MAX
;
6008 for (i
= 0; i
< n_match_sets
; i
++)
6009 request
->min_rssi_thold
=
6010 min(request
->match_sets
[i
].rssi_thold
,
6011 request
->min_rssi_thold
);
6013 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
6017 request
->ie_len
= ie_len
;
6018 memcpy((void *)request
->ie
,
6019 nla_data(attrs
[NL80211_ATTR_IE
]),
6023 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
6024 request
->flags
= nla_get_u32(
6025 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
6026 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
6027 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
6032 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
6033 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
6035 if (!wdev
) /* must be net-detect */
6036 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6038 if (!(wiphy
->features
& flg
)) {
6043 if (wdev
&& wdev
->current_bss
) {
6048 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6049 request
->mac_addr_mask
);
6055 request
->interval
= interval
;
6056 request
->scan_start
= jiffies
;
6062 return ERR_PTR(err
);
6065 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6066 struct genl_info
*info
)
6068 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6069 struct net_device
*dev
= info
->user_ptr
[1];
6070 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6073 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6074 !rdev
->ops
->sched_scan_start
)
6077 if (rdev
->sched_scan_req
)
6078 return -EINPROGRESS
;
6080 rdev
->sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6082 err
= PTR_ERR_OR_ZERO(rdev
->sched_scan_req
);
6086 err
= rdev_sched_scan_start(rdev
, dev
, rdev
->sched_scan_req
);
6090 rdev
->sched_scan_req
->dev
= dev
;
6091 rdev
->sched_scan_req
->wiphy
= &rdev
->wiphy
;
6093 nl80211_send_sched_scan(rdev
, dev
,
6094 NL80211_CMD_START_SCHED_SCAN
);
6098 kfree(rdev
->sched_scan_req
);
6100 rdev
->sched_scan_req
= NULL
;
6104 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6105 struct genl_info
*info
)
6107 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6109 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6110 !rdev
->ops
->sched_scan_stop
)
6113 return __cfg80211_stop_sched_scan(rdev
, false);
6116 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6117 struct genl_info
*info
)
6119 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6120 struct net_device
*dev
= info
->user_ptr
[1];
6121 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6122 struct cfg80211_chan_def chandef
;
6123 enum nl80211_dfs_regions dfs_region
;
6124 unsigned int cac_time_ms
;
6127 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6128 if (dfs_region
== NL80211_DFS_UNSET
)
6131 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6135 if (netif_carrier_ok(dev
))
6138 if (wdev
->cac_started
)
6141 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6149 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6152 if (!rdev
->ops
->start_radar_detection
)
6155 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6156 if (WARN_ON(!cac_time_ms
))
6157 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6159 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6162 wdev
->chandef
= chandef
;
6163 wdev
->cac_started
= true;
6164 wdev
->cac_start_time
= jiffies
;
6165 wdev
->cac_time_ms
= cac_time_ms
;
6170 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6172 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6173 struct net_device
*dev
= info
->user_ptr
[1];
6174 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6175 struct cfg80211_csa_settings params
;
6176 /* csa_attrs is defined static to avoid waste of stack size - this
6177 * function is called under RTNL lock, so this should not be a problem.
6179 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6181 bool need_new_beacon
= false;
6185 if (!rdev
->ops
->channel_switch
||
6186 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6189 switch (dev
->ieee80211_ptr
->iftype
) {
6190 case NL80211_IFTYPE_AP
:
6191 case NL80211_IFTYPE_P2P_GO
:
6192 need_new_beacon
= true;
6194 /* useless if AP is not running */
6195 if (!wdev
->beacon_interval
)
6198 case NL80211_IFTYPE_ADHOC
:
6199 if (!wdev
->ssid_len
)
6202 case NL80211_IFTYPE_MESH_POINT
:
6203 if (!wdev
->mesh_id_len
)
6210 memset(¶ms
, 0, sizeof(params
));
6212 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6213 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6216 /* only important for AP, IBSS and mesh create IEs internally */
6217 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6220 /* Even though the attribute is u32, the specification says
6221 * u8, so let's make sure we don't overflow.
6223 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6227 params
.count
= cs_count
;
6229 if (!need_new_beacon
)
6232 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6236 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6237 info
->attrs
[NL80211_ATTR_CSA_IES
],
6242 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6246 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6249 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6250 if (!len
|| (len
% sizeof(u16
)))
6253 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6254 if (rdev
->wiphy
.max_num_csa_counters
&&
6255 (params
.n_counter_offsets_beacon
>
6256 rdev
->wiphy
.max_num_csa_counters
))
6259 params
.counter_offsets_beacon
=
6260 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6262 /* sanity checks - counters should fit and be the same */
6263 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6264 u16 offset
= params
.counter_offsets_beacon
[i
];
6266 if (offset
>= params
.beacon_csa
.tail_len
)
6269 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6273 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6274 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6275 if (!len
|| (len
% sizeof(u16
)))
6278 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6279 if (rdev
->wiphy
.max_num_csa_counters
&&
6280 (params
.n_counter_offsets_beacon
>
6281 rdev
->wiphy
.max_num_csa_counters
))
6284 params
.counter_offsets_presp
=
6285 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6287 /* sanity checks - counters should fit and be the same */
6288 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6289 u16 offset
= params
.counter_offsets_presp
[i
];
6291 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6294 if (params
.beacon_csa
.probe_resp
[offset
] !=
6301 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6305 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6309 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6316 params
.radar_required
= true;
6318 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6319 params
.block_tx
= true;
6322 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6328 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6330 struct cfg80211_registered_device
*rdev
,
6331 struct wireless_dev
*wdev
,
6332 struct cfg80211_internal_bss
*intbss
)
6334 struct cfg80211_bss
*res
= &intbss
->pub
;
6335 const struct cfg80211_bss_ies
*ies
;
6339 ASSERT_WDEV_LOCK(wdev
);
6341 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6342 NL80211_CMD_NEW_SCAN_RESULTS
);
6346 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6348 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6349 goto nla_put_failure
;
6351 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6352 goto nla_put_failure
;
6353 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6354 goto nla_put_failure
;
6356 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6358 goto nla_put_failure
;
6359 if ((!is_zero_ether_addr(res
->bssid
) &&
6360 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6361 goto nla_put_failure
;
6364 /* indicate whether we have probe response data or not */
6365 if (rcu_access_pointer(res
->proberesp_ies
) &&
6366 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6367 goto fail_unlock_rcu
;
6369 /* this pointer prefers to be pointed to probe response data
6370 * but is always valid
6372 ies
= rcu_dereference(res
->ies
);
6374 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6375 goto fail_unlock_rcu
;
6376 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6377 ies
->len
, ies
->data
))
6378 goto fail_unlock_rcu
;
6381 /* and this pointer is always (unless driver didn't know) beacon data */
6382 ies
= rcu_dereference(res
->beacon_ies
);
6383 if (ies
&& ies
->from_beacon
) {
6384 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6385 goto fail_unlock_rcu
;
6386 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6387 ies
->len
, ies
->data
))
6388 goto fail_unlock_rcu
;
6392 if (res
->beacon_interval
&&
6393 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6394 goto nla_put_failure
;
6395 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6396 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6397 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6398 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6399 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6400 goto nla_put_failure
;
6402 switch (rdev
->wiphy
.signal_type
) {
6403 case CFG80211_SIGNAL_TYPE_MBM
:
6404 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6405 goto nla_put_failure
;
6407 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6408 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6409 goto nla_put_failure
;
6415 switch (wdev
->iftype
) {
6416 case NL80211_IFTYPE_P2P_CLIENT
:
6417 case NL80211_IFTYPE_STATION
:
6418 if (intbss
== wdev
->current_bss
&&
6419 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6420 NL80211_BSS_STATUS_ASSOCIATED
))
6421 goto nla_put_failure
;
6423 case NL80211_IFTYPE_ADHOC
:
6424 if (intbss
== wdev
->current_bss
&&
6425 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6426 NL80211_BSS_STATUS_IBSS_JOINED
))
6427 goto nla_put_failure
;
6433 nla_nest_end(msg
, bss
);
6435 return genlmsg_end(msg
, hdr
);
6440 genlmsg_cancel(msg
, hdr
);
6444 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6446 struct cfg80211_registered_device
*rdev
;
6447 struct cfg80211_internal_bss
*scan
;
6448 struct wireless_dev
*wdev
;
6449 int start
= cb
->args
[2], idx
= 0;
6452 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6457 spin_lock_bh(&rdev
->bss_lock
);
6458 cfg80211_bss_expire(rdev
);
6460 cb
->seq
= rdev
->bss_generation
;
6462 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6465 if (nl80211_send_bss(skb
, cb
,
6466 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6467 rdev
, wdev
, scan
) < 0) {
6473 spin_unlock_bh(&rdev
->bss_lock
);
6477 nl80211_finish_wdev_dump(rdev
);
6482 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6483 int flags
, struct net_device
*dev
,
6484 struct survey_info
*survey
)
6487 struct nlattr
*infoattr
;
6489 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6490 NL80211_CMD_NEW_SURVEY_RESULTS
);
6494 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6495 goto nla_put_failure
;
6497 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6499 goto nla_put_failure
;
6501 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6502 survey
->channel
->center_freq
))
6503 goto nla_put_failure
;
6505 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6506 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6507 goto nla_put_failure
;
6508 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6509 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6510 goto nla_put_failure
;
6511 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6512 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6513 survey
->channel_time
))
6514 goto nla_put_failure
;
6515 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6516 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6517 survey
->channel_time_busy
))
6518 goto nla_put_failure
;
6519 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6520 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6521 survey
->channel_time_ext_busy
))
6522 goto nla_put_failure
;
6523 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6524 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6525 survey
->channel_time_rx
))
6526 goto nla_put_failure
;
6527 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6528 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6529 survey
->channel_time_tx
))
6530 goto nla_put_failure
;
6532 nla_nest_end(msg
, infoattr
);
6534 return genlmsg_end(msg
, hdr
);
6537 genlmsg_cancel(msg
, hdr
);
6541 static int nl80211_dump_survey(struct sk_buff
*skb
,
6542 struct netlink_callback
*cb
)
6544 struct survey_info survey
;
6545 struct cfg80211_registered_device
*rdev
;
6546 struct wireless_dev
*wdev
;
6547 int survey_idx
= cb
->args
[2];
6550 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6554 if (!wdev
->netdev
) {
6559 if (!rdev
->ops
->dump_survey
) {
6565 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6571 /* Survey without a channel doesn't make sense */
6572 if (!survey
.channel
) {
6577 if (survey
.channel
->flags
& IEEE80211_CHAN_DISABLED
) {
6582 if (nl80211_send_survey(skb
,
6583 NETLINK_CB(cb
->skb
).portid
,
6584 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6585 wdev
->netdev
, &survey
) < 0)
6591 cb
->args
[2] = survey_idx
;
6594 nl80211_finish_wdev_dump(rdev
);
6598 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6600 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6601 NL80211_WPA_VERSION_2
));
6604 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6606 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6607 struct net_device
*dev
= info
->user_ptr
[1];
6608 struct ieee80211_channel
*chan
;
6609 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6610 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6611 enum nl80211_auth_type auth_type
;
6612 struct key_parse key
;
6613 bool local_state_change
;
6615 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6618 if (!info
->attrs
[NL80211_ATTR_MAC
])
6621 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6624 if (!info
->attrs
[NL80211_ATTR_SSID
])
6627 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6630 err
= nl80211_parse_key(info
, &key
);
6635 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6637 if (!key
.p
.key
|| !key
.p
.key_len
)
6639 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6640 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6641 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6642 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6654 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6655 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6664 if (!rdev
->ops
->auth
)
6667 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6668 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6671 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6672 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6673 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6677 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6678 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6680 if (info
->attrs
[NL80211_ATTR_IE
]) {
6681 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6682 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6685 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6686 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6689 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6690 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6693 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6694 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6696 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6697 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6698 /* need to include at least Auth Transaction and Status Code */
6699 if (sae_data_len
< 4)
6703 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6706 * Since we no longer track auth state, ignore
6707 * requests to only change local state.
6709 if (local_state_change
)
6712 wdev_lock(dev
->ieee80211_ptr
);
6713 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6714 ssid
, ssid_len
, ie
, ie_len
,
6715 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6716 sae_data
, sae_data_len
);
6717 wdev_unlock(dev
->ieee80211_ptr
);
6721 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6722 struct genl_info
*info
,
6723 struct cfg80211_crypto_settings
*settings
,
6726 memset(settings
, 0, sizeof(*settings
));
6728 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6730 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6732 proto
= nla_get_u16(
6733 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6734 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6735 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6738 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6739 settings
->control_port_no_encrypt
= true;
6741 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6743 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6747 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6748 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6749 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6751 if (len
% sizeof(u32
))
6754 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6757 memcpy(settings
->ciphers_pairwise
, data
, len
);
6759 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6760 if (!cfg80211_supported_cipher_suite(
6762 settings
->ciphers_pairwise
[i
]))
6766 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6767 settings
->cipher_group
=
6768 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6769 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6770 settings
->cipher_group
))
6774 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6775 settings
->wpa_versions
=
6776 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6777 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6781 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6785 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6786 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6787 settings
->n_akm_suites
= len
/ sizeof(u32
);
6789 if (len
% sizeof(u32
))
6792 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6795 memcpy(settings
->akm_suites
, data
, len
);
6801 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6803 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6804 struct net_device
*dev
= info
->user_ptr
[1];
6805 struct ieee80211_channel
*chan
;
6806 struct cfg80211_assoc_request req
= {};
6807 const u8
*bssid
, *ssid
;
6808 int err
, ssid_len
= 0;
6810 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6813 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6814 !info
->attrs
[NL80211_ATTR_SSID
] ||
6815 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6818 if (!rdev
->ops
->assoc
)
6821 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6822 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6825 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6827 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6828 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6832 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6833 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6835 if (info
->attrs
[NL80211_ATTR_IE
]) {
6836 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6837 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6840 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6841 enum nl80211_mfp mfp
=
6842 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6843 if (mfp
== NL80211_MFP_REQUIRED
)
6845 else if (mfp
!= NL80211_MFP_NO
)
6849 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6850 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6852 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6853 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6855 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6856 memcpy(&req
.ht_capa_mask
,
6857 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6858 sizeof(req
.ht_capa_mask
));
6860 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6861 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6863 memcpy(&req
.ht_capa
,
6864 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6865 sizeof(req
.ht_capa
));
6868 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6869 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6871 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6872 memcpy(&req
.vht_capa_mask
,
6873 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6874 sizeof(req
.vht_capa_mask
));
6876 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6877 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6879 memcpy(&req
.vht_capa
,
6880 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6881 sizeof(req
.vht_capa
));
6884 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
6885 if (!(rdev
->wiphy
.features
&
6886 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
6887 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
6889 req
.flags
|= ASSOC_REQ_USE_RRM
;
6892 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6894 wdev_lock(dev
->ieee80211_ptr
);
6895 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6896 ssid
, ssid_len
, &req
);
6897 wdev_unlock(dev
->ieee80211_ptr
);
6903 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6905 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6906 struct net_device
*dev
= info
->user_ptr
[1];
6907 const u8
*ie
= NULL
, *bssid
;
6908 int ie_len
= 0, err
;
6910 bool local_state_change
;
6912 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6915 if (!info
->attrs
[NL80211_ATTR_MAC
])
6918 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6921 if (!rdev
->ops
->deauth
)
6924 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6925 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6928 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6930 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6931 if (reason_code
== 0) {
6932 /* Reason Code 0 is reserved */
6936 if (info
->attrs
[NL80211_ATTR_IE
]) {
6937 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6938 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6941 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6943 wdev_lock(dev
->ieee80211_ptr
);
6944 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6945 local_state_change
);
6946 wdev_unlock(dev
->ieee80211_ptr
);
6950 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6952 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6953 struct net_device
*dev
= info
->user_ptr
[1];
6954 const u8
*ie
= NULL
, *bssid
;
6955 int ie_len
= 0, err
;
6957 bool local_state_change
;
6959 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6962 if (!info
->attrs
[NL80211_ATTR_MAC
])
6965 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6968 if (!rdev
->ops
->disassoc
)
6971 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6972 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6975 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6977 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6978 if (reason_code
== 0) {
6979 /* Reason Code 0 is reserved */
6983 if (info
->attrs
[NL80211_ATTR_IE
]) {
6984 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6985 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6988 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6990 wdev_lock(dev
->ieee80211_ptr
);
6991 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6992 local_state_change
);
6993 wdev_unlock(dev
->ieee80211_ptr
);
6998 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6999 int mcast_rate
[IEEE80211_NUM_BANDS
],
7002 struct wiphy
*wiphy
= &rdev
->wiphy
;
7006 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
7007 struct ieee80211_supported_band
*sband
;
7009 sband
= wiphy
->bands
[band
];
7013 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
7014 if (sband
->bitrates
[i
].bitrate
== rateval
) {
7015 mcast_rate
[band
] = i
+ 1;
7025 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7027 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7028 struct net_device
*dev
= info
->user_ptr
[1];
7029 struct cfg80211_ibss_params ibss
;
7030 struct wiphy
*wiphy
;
7031 struct cfg80211_cached_keys
*connkeys
= NULL
;
7034 memset(&ibss
, 0, sizeof(ibss
));
7036 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7039 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7040 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7043 ibss
.beacon_interval
= 100;
7045 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7046 ibss
.beacon_interval
=
7047 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7048 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7052 if (!rdev
->ops
->join_ibss
)
7055 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7058 wiphy
= &rdev
->wiphy
;
7060 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7061 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7063 if (!is_valid_ether_addr(ibss
.bssid
))
7066 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7067 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7069 if (info
->attrs
[NL80211_ATTR_IE
]) {
7070 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7071 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7074 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7078 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7079 NL80211_IFTYPE_ADHOC
))
7082 switch (ibss
.chandef
.width
) {
7083 case NL80211_CHAN_WIDTH_5
:
7084 case NL80211_CHAN_WIDTH_10
:
7085 case NL80211_CHAN_WIDTH_20_NOHT
:
7087 case NL80211_CHAN_WIDTH_20
:
7088 case NL80211_CHAN_WIDTH_40
:
7089 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
7095 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7096 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7098 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7100 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7102 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7103 struct ieee80211_supported_band
*sband
=
7104 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7106 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7112 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7113 memcpy(&ibss
.ht_capa_mask
,
7114 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7115 sizeof(ibss
.ht_capa_mask
));
7117 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7118 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7120 memcpy(&ibss
.ht_capa
,
7121 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7122 sizeof(ibss
.ht_capa
));
7125 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7126 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7127 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7130 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7133 connkeys
= nl80211_parse_connkeys(rdev
,
7134 info
->attrs
[NL80211_ATTR_KEYS
],
7136 if (IS_ERR(connkeys
))
7137 return PTR_ERR(connkeys
);
7139 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7147 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7149 ibss
.userspace_handles_dfs
=
7150 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7152 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7158 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7160 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7161 struct net_device
*dev
= info
->user_ptr
[1];
7163 if (!rdev
->ops
->leave_ibss
)
7166 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7169 return cfg80211_leave_ibss(rdev
, dev
, false);
7172 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7174 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7175 struct net_device
*dev
= info
->user_ptr
[1];
7176 int mcast_rate
[IEEE80211_NUM_BANDS
];
7180 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7181 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
7184 if (!rdev
->ops
->set_mcast_rate
)
7187 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7189 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7192 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7193 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7196 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7201 static struct sk_buff
*
7202 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7203 int approxlen
, u32 portid
, u32 seq
,
7204 enum nl80211_commands cmd
,
7205 enum nl80211_attrs attr
,
7206 const struct nl80211_vendor_cmd_info
*info
,
7209 struct sk_buff
*skb
;
7211 struct nlattr
*data
;
7213 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7217 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7223 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7224 goto nla_put_failure
;
7227 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7229 goto nla_put_failure
;
7230 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7232 goto nla_put_failure
;
7235 data
= nla_nest_start(skb
, attr
);
7237 ((void **)skb
->cb
)[0] = rdev
;
7238 ((void **)skb
->cb
)[1] = hdr
;
7239 ((void **)skb
->cb
)[2] = data
;
7248 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7249 enum nl80211_commands cmd
,
7250 enum nl80211_attrs attr
,
7251 int vendor_event_idx
,
7252 int approxlen
, gfp_t gfp
)
7254 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7255 const struct nl80211_vendor_cmd_info
*info
;
7258 case NL80211_CMD_TESTMODE
:
7259 if (WARN_ON(vendor_event_idx
!= -1))
7263 case NL80211_CMD_VENDOR
:
7264 if (WARN_ON(vendor_event_idx
< 0 ||
7265 vendor_event_idx
>= wiphy
->n_vendor_events
))
7267 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7274 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7275 cmd
, attr
, info
, gfp
);
7277 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7279 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7281 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7282 void *hdr
= ((void **)skb
->cb
)[1];
7283 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7284 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7286 /* clear CB data for netlink core to own from now on */
7287 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7289 nla_nest_end(skb
, data
);
7290 genlmsg_end(skb
, hdr
);
7292 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7293 mcgrp
= NL80211_MCGRP_VENDOR
;
7295 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7298 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7300 #ifdef CONFIG_NL80211_TESTMODE
7301 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7303 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7304 struct wireless_dev
*wdev
=
7305 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7308 if (!rdev
->ops
->testmode_cmd
)
7312 err
= PTR_ERR(wdev
);
7316 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7320 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7323 rdev
->cur_cmd_info
= info
;
7324 err
= rdev_testmode_cmd(rdev
, wdev
,
7325 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7326 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7327 rdev
->cur_cmd_info
= NULL
;
7332 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7333 struct netlink_callback
*cb
)
7335 struct cfg80211_registered_device
*rdev
;
7345 * 0 is a valid index, but not valid for args[0],
7346 * so we need to offset by 1.
7348 phy_idx
= cb
->args
[0] - 1;
7350 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7351 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7356 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7357 nl80211_fam
.attrbuf
);
7359 err
= PTR_ERR(rdev
);
7362 phy_idx
= rdev
->wiphy_idx
;
7365 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7367 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7371 data
= nla_data((void *)cb
->args
[1]);
7372 data_len
= nla_len((void *)cb
->args
[1]);
7375 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7381 if (!rdev
->ops
->testmode_dump
) {
7387 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7388 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7389 NL80211_CMD_TESTMODE
);
7390 struct nlattr
*tmdata
;
7395 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7396 genlmsg_cancel(skb
, hdr
);
7400 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7402 genlmsg_cancel(skb
, hdr
);
7405 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7406 nla_nest_end(skb
, tmdata
);
7408 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7409 genlmsg_cancel(skb
, hdr
);
7412 genlmsg_cancel(skb
, hdr
);
7416 genlmsg_end(skb
, hdr
);
7421 cb
->args
[0] = phy_idx
+ 1;
7428 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7430 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7431 struct net_device
*dev
= info
->user_ptr
[1];
7432 struct cfg80211_connect_params connect
;
7433 struct wiphy
*wiphy
;
7434 struct cfg80211_cached_keys
*connkeys
= NULL
;
7437 memset(&connect
, 0, sizeof(connect
));
7439 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7442 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7443 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7446 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7448 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7449 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7450 NL80211_CMD_CONNECT
))
7453 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7455 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7457 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7458 NL80211_MAX_NR_CIPHER_SUITES
);
7462 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7463 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7466 wiphy
= &rdev
->wiphy
;
7468 connect
.bg_scan_period
= -1;
7469 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7470 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7471 connect
.bg_scan_period
=
7472 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7475 if (info
->attrs
[NL80211_ATTR_MAC
])
7476 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7477 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7478 connect
.bssid_hint
=
7479 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7480 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7481 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7483 if (info
->attrs
[NL80211_ATTR_IE
]) {
7484 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7485 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7488 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7489 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7490 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7491 connect
.mfp
!= NL80211_MFP_NO
)
7494 connect
.mfp
= NL80211_MFP_NO
;
7497 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7498 connect
.channel
= nl80211_get_valid_chan(
7499 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7500 if (!connect
.channel
)
7502 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7503 connect
.channel_hint
= nl80211_get_valid_chan(
7504 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7505 if (!connect
.channel_hint
)
7509 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7510 connkeys
= nl80211_parse_connkeys(rdev
,
7511 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7512 if (IS_ERR(connkeys
))
7513 return PTR_ERR(connkeys
);
7516 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7517 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7519 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7520 memcpy(&connect
.ht_capa_mask
,
7521 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7522 sizeof(connect
.ht_capa_mask
));
7524 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7525 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7529 memcpy(&connect
.ht_capa
,
7530 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7531 sizeof(connect
.ht_capa
));
7534 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7535 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7537 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7538 memcpy(&connect
.vht_capa_mask
,
7539 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7540 sizeof(connect
.vht_capa_mask
));
7542 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7543 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7547 memcpy(&connect
.vht_capa
,
7548 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7549 sizeof(connect
.vht_capa
));
7552 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7553 if (!(rdev
->wiphy
.features
&
7554 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7555 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7557 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7560 wdev_lock(dev
->ieee80211_ptr
);
7561 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7562 wdev_unlock(dev
->ieee80211_ptr
);
7568 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7570 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7571 struct net_device
*dev
= info
->user_ptr
[1];
7575 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7576 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7578 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7583 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7584 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7587 wdev_lock(dev
->ieee80211_ptr
);
7588 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7589 wdev_unlock(dev
->ieee80211_ptr
);
7593 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7595 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7600 if (!info
->attrs
[NL80211_ATTR_PID
])
7603 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7605 net
= get_net_ns_by_pid(pid
);
7607 return PTR_ERR(net
);
7611 /* check if anything to do */
7612 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7613 err
= cfg80211_switch_netns(rdev
, net
);
7619 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7621 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7622 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7623 struct cfg80211_pmksa
*pmksa
) = NULL
;
7624 struct net_device
*dev
= info
->user_ptr
[1];
7625 struct cfg80211_pmksa pmksa
;
7627 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7629 if (!info
->attrs
[NL80211_ATTR_MAC
])
7632 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7635 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7636 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7638 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7639 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7642 switch (info
->genlhdr
->cmd
) {
7643 case NL80211_CMD_SET_PMKSA
:
7644 rdev_ops
= rdev
->ops
->set_pmksa
;
7646 case NL80211_CMD_DEL_PMKSA
:
7647 rdev_ops
= rdev
->ops
->del_pmksa
;
7657 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7660 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7662 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7663 struct net_device
*dev
= info
->user_ptr
[1];
7665 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7666 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7669 if (!rdev
->ops
->flush_pmksa
)
7672 return rdev_flush_pmksa(rdev
, dev
);
7675 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7677 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7678 struct net_device
*dev
= info
->user_ptr
[1];
7679 u8 action_code
, dialog_token
;
7680 u32 peer_capability
= 0;
7685 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7686 !rdev
->ops
->tdls_mgmt
)
7689 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7690 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7691 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7692 !info
->attrs
[NL80211_ATTR_IE
] ||
7693 !info
->attrs
[NL80211_ATTR_MAC
])
7696 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7697 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7698 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7699 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7700 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7701 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7703 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7705 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7706 dialog_token
, status_code
, peer_capability
,
7708 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7709 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7712 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7714 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7715 struct net_device
*dev
= info
->user_ptr
[1];
7716 enum nl80211_tdls_operation operation
;
7719 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7720 !rdev
->ops
->tdls_oper
)
7723 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7724 !info
->attrs
[NL80211_ATTR_MAC
])
7727 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7728 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7730 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7733 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7734 struct genl_info
*info
)
7736 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7737 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7738 struct cfg80211_chan_def chandef
;
7739 struct sk_buff
*msg
;
7745 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7746 !info
->attrs
[NL80211_ATTR_DURATION
])
7749 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7751 if (!rdev
->ops
->remain_on_channel
||
7752 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7756 * We should be on that channel for at least a minimum amount of
7757 * time (10ms) but no longer than the driver supports.
7759 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7760 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7763 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7767 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7771 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7772 NL80211_CMD_REMAIN_ON_CHANNEL
);
7778 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7784 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7785 goto nla_put_failure
;
7787 genlmsg_end(msg
, hdr
);
7789 return genlmsg_reply(msg
, info
);
7798 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7799 struct genl_info
*info
)
7801 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7802 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7805 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7808 if (!rdev
->ops
->cancel_remain_on_channel
)
7811 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7813 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7816 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7817 u8
*rates
, u8 rates_len
)
7822 for (i
= 0; i
< rates_len
; i
++) {
7823 int rate
= (rates
[i
] & 0x7f) * 5;
7825 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7826 struct ieee80211_rate
*srate
=
7827 &sband
->bitrates
[ridx
];
7828 if (rate
== srate
->bitrate
) {
7833 if (ridx
== sband
->n_bitrates
)
7834 return 0; /* rate not found */
7840 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7841 u8
*rates
, u8 rates_len
,
7842 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7846 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7848 for (i
= 0; i
< rates_len
; i
++) {
7851 ridx
= rates
[i
] / 8;
7852 rbit
= BIT(rates
[i
] % 8);
7854 /* check validity */
7855 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7858 /* check availability */
7859 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7868 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7872 switch (vht_mcs_map
) {
7873 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7875 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7878 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7881 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7891 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7892 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7896 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7897 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7902 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7903 struct nl80211_txrate_vht
*txrate
,
7904 u16 mcs
[NL80211_VHT_NSS_MAX
])
7906 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7907 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7910 if (!sband
->vht_cap
.vht_supported
)
7913 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7915 /* Build vht_mcs_mask from VHT capabilities */
7916 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7918 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7919 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7920 mcs
[i
] = txrate
->mcs
[i
];
7928 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7929 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7930 .len
= NL80211_MAX_SUPP_RATES
},
7931 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7932 .len
= NL80211_MAX_SUPP_HT_RATES
},
7933 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7934 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
7937 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7938 struct genl_info
*info
)
7940 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7941 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7942 struct cfg80211_bitrate_mask mask
;
7944 struct net_device
*dev
= info
->user_ptr
[1];
7945 struct nlattr
*tx_rates
;
7946 struct ieee80211_supported_band
*sband
;
7949 if (!rdev
->ops
->set_bitrate_mask
)
7952 memset(&mask
, 0, sizeof(mask
));
7953 /* Default to all rates enabled */
7954 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7955 sband
= rdev
->wiphy
.bands
[i
];
7960 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7961 memcpy(mask
.control
[i
].ht_mcs
,
7962 sband
->ht_cap
.mcs
.rx_mask
,
7963 sizeof(mask
.control
[i
].ht_mcs
));
7965 if (!sband
->vht_cap
.vht_supported
)
7968 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7969 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7972 /* if no rates are given set it back to the defaults */
7973 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7977 * The nested attribute uses enum nl80211_band as the index. This maps
7978 * directly to the enum ieee80211_band values used in cfg80211.
7980 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7981 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
7982 enum ieee80211_band band
= nla_type(tx_rates
);
7985 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7987 sband
= rdev
->wiphy
.bands
[band
];
7990 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7991 nla_len(tx_rates
), nl80211_txattr_policy
);
7994 if (tb
[NL80211_TXRATE_LEGACY
]) {
7995 mask
.control
[band
].legacy
= rateset_to_mask(
7997 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7998 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7999 if ((mask
.control
[band
].legacy
== 0) &&
8000 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
8003 if (tb
[NL80211_TXRATE_HT
]) {
8004 if (!ht_rateset_to_mask(
8006 nla_data(tb
[NL80211_TXRATE_HT
]),
8007 nla_len(tb
[NL80211_TXRATE_HT
]),
8008 mask
.control
[band
].ht_mcs
))
8011 if (tb
[NL80211_TXRATE_VHT
]) {
8012 if (!vht_set_mcs_mask(
8014 nla_data(tb
[NL80211_TXRATE_VHT
]),
8015 mask
.control
[band
].vht_mcs
))
8018 if (tb
[NL80211_TXRATE_GI
]) {
8019 mask
.control
[band
].gi
=
8020 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
8021 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
8025 if (mask
.control
[band
].legacy
== 0) {
8026 /* don't allow empty legacy rates if HT or VHT
8027 * are not even supported.
8029 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
8030 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8033 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8034 if (mask
.control
[band
].ht_mcs
[i
])
8037 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8038 if (mask
.control
[band
].vht_mcs
[i
])
8041 /* legacy and mcs rates may not be both empty */
8047 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8050 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8052 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8053 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8054 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8056 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8059 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8060 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8062 switch (wdev
->iftype
) {
8063 case NL80211_IFTYPE_STATION
:
8064 case NL80211_IFTYPE_ADHOC
:
8065 case NL80211_IFTYPE_P2P_CLIENT
:
8066 case NL80211_IFTYPE_AP
:
8067 case NL80211_IFTYPE_AP_VLAN
:
8068 case NL80211_IFTYPE_MESH_POINT
:
8069 case NL80211_IFTYPE_P2P_GO
:
8070 case NL80211_IFTYPE_P2P_DEVICE
:
8076 /* not much point in registering if we can't reply */
8077 if (!rdev
->ops
->mgmt_tx
)
8080 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8081 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8082 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8085 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8087 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8088 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8089 struct cfg80211_chan_def chandef
;
8093 struct sk_buff
*msg
= NULL
;
8094 struct cfg80211_mgmt_tx_params params
= {
8095 .dont_wait_for_ack
=
8096 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8099 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8102 if (!rdev
->ops
->mgmt_tx
)
8105 switch (wdev
->iftype
) {
8106 case NL80211_IFTYPE_P2P_DEVICE
:
8107 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8109 case NL80211_IFTYPE_STATION
:
8110 case NL80211_IFTYPE_ADHOC
:
8111 case NL80211_IFTYPE_P2P_CLIENT
:
8112 case NL80211_IFTYPE_AP
:
8113 case NL80211_IFTYPE_AP_VLAN
:
8114 case NL80211_IFTYPE_MESH_POINT
:
8115 case NL80211_IFTYPE_P2P_GO
:
8121 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8122 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8124 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8127 * We should wait on the channel for at least a minimum amount
8128 * of time (10ms) but no longer than the driver supports.
8130 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8131 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8136 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8138 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8141 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8143 /* get the channel if any has been specified, otherwise pass NULL to
8144 * the driver. The latter will use the current one
8146 chandef
.chan
= NULL
;
8147 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8148 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8153 if (!chandef
.chan
&& params
.offchan
)
8156 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8157 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8159 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8160 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8163 if (len
% sizeof(u16
))
8166 params
.n_csa_offsets
= len
/ sizeof(u16
);
8167 params
.csa_offsets
=
8168 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8170 /* check that all the offsets fit the frame */
8171 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8172 if (params
.csa_offsets
[i
] >= params
.len
)
8177 if (!params
.dont_wait_for_ack
) {
8178 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8182 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8190 params
.chan
= chandef
.chan
;
8191 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8196 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8197 goto nla_put_failure
;
8199 genlmsg_end(msg
, hdr
);
8200 return genlmsg_reply(msg
, info
);
8212 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8214 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8215 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8218 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8221 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8224 switch (wdev
->iftype
) {
8225 case NL80211_IFTYPE_STATION
:
8226 case NL80211_IFTYPE_ADHOC
:
8227 case NL80211_IFTYPE_P2P_CLIENT
:
8228 case NL80211_IFTYPE_AP
:
8229 case NL80211_IFTYPE_AP_VLAN
:
8230 case NL80211_IFTYPE_P2P_GO
:
8231 case NL80211_IFTYPE_P2P_DEVICE
:
8237 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8239 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8242 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8244 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8245 struct wireless_dev
*wdev
;
8246 struct net_device
*dev
= info
->user_ptr
[1];
8251 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8254 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8256 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8259 wdev
= dev
->ieee80211_ptr
;
8261 if (!rdev
->ops
->set_power_mgmt
)
8264 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8266 if (state
== wdev
->ps
)
8269 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8275 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8277 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8278 enum nl80211_ps_state ps_state
;
8279 struct wireless_dev
*wdev
;
8280 struct net_device
*dev
= info
->user_ptr
[1];
8281 struct sk_buff
*msg
;
8285 wdev
= dev
->ieee80211_ptr
;
8287 if (!rdev
->ops
->set_power_mgmt
)
8290 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8294 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8295 NL80211_CMD_GET_POWER_SAVE
);
8302 ps_state
= NL80211_PS_ENABLED
;
8304 ps_state
= NL80211_PS_DISABLED
;
8306 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8307 goto nla_put_failure
;
8309 genlmsg_end(msg
, hdr
);
8310 return genlmsg_reply(msg
, info
);
8319 static const struct nla_policy
8320 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8321 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8322 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8323 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8324 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8325 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8326 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8329 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8330 u32 rate
, u32 pkts
, u32 intvl
)
8332 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8333 struct net_device
*dev
= info
->user_ptr
[1];
8334 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8336 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8339 if (!rdev
->ops
->set_cqm_txe_config
)
8342 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8343 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8346 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8349 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8350 s32 threshold
, u32 hysteresis
)
8352 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8353 struct net_device
*dev
= info
->user_ptr
[1];
8354 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8359 /* disabling - hysteresis should also be zero then */
8363 if (!rdev
->ops
->set_cqm_rssi_config
)
8366 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8367 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8370 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8373 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8375 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8379 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8383 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8384 nl80211_attr_cqm_policy
);
8388 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8389 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8390 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8391 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8393 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8396 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8397 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8398 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8399 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8400 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8401 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8403 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8409 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8411 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8412 struct net_device
*dev
= info
->user_ptr
[1];
8413 struct ocb_setup setup
= {};
8416 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8420 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8423 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8425 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8426 struct net_device
*dev
= info
->user_ptr
[1];
8428 return cfg80211_leave_ocb(rdev
, dev
);
8431 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8433 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8434 struct net_device
*dev
= info
->user_ptr
[1];
8435 struct mesh_config cfg
;
8436 struct mesh_setup setup
;
8439 /* start with default */
8440 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8441 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8443 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8444 /* and parse parameters if given */
8445 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8450 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8451 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8454 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8455 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8457 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8458 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8459 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8462 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8463 setup
.beacon_interval
=
8464 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8465 if (setup
.beacon_interval
< 10 ||
8466 setup
.beacon_interval
> 10000)
8470 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8472 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8473 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8477 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8478 /* parse additional setup parameters if given */
8479 err
= nl80211_parse_mesh_setup(info
, &setup
);
8485 cfg
.auto_open_plinks
= false;
8487 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8488 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8492 /* cfg80211_join_mesh() will sort it out */
8493 setup
.chandef
.chan
= NULL
;
8496 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8497 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8499 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8500 struct ieee80211_supported_band
*sband
;
8502 if (!setup
.chandef
.chan
)
8505 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8507 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8508 &setup
.basic_rates
);
8513 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8516 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8518 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8519 struct net_device
*dev
= info
->user_ptr
[1];
8521 return cfg80211_leave_mesh(rdev
, dev
);
8525 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8526 struct cfg80211_registered_device
*rdev
)
8528 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8529 struct nlattr
*nl_pats
, *nl_pat
;
8532 if (!wowlan
->n_patterns
)
8535 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8539 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8540 nl_pat
= nla_nest_start(msg
, i
+ 1);
8543 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8544 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8545 wowlan
->patterns
[i
].mask
) ||
8546 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8547 wowlan
->patterns
[i
].pattern
) ||
8548 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8549 wowlan
->patterns
[i
].pkt_offset
))
8551 nla_nest_end(msg
, nl_pat
);
8553 nla_nest_end(msg
, nl_pats
);
8558 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8559 struct cfg80211_wowlan_tcp
*tcp
)
8561 struct nlattr
*nl_tcp
;
8566 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8570 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8571 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8572 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8573 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8574 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8575 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8576 tcp
->payload_len
, tcp
->payload
) ||
8577 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8578 tcp
->data_interval
) ||
8579 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8580 tcp
->wake_len
, tcp
->wake_data
) ||
8581 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8582 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8585 if (tcp
->payload_seq
.len
&&
8586 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8587 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8590 if (tcp
->payload_tok
.len
&&
8591 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8592 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8596 nla_nest_end(msg
, nl_tcp
);
8601 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8603 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8604 struct sk_buff
*msg
;
8606 u32 size
= NLMSG_DEFAULT_SIZE
;
8608 if (!rdev
->wiphy
.wowlan
)
8611 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8612 /* adjust size to have room for all the data */
8613 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8614 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8615 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8616 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8619 msg
= nlmsg_new(size
, GFP_KERNEL
);
8623 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8624 NL80211_CMD_GET_WOWLAN
);
8626 goto nla_put_failure
;
8628 if (rdev
->wiphy
.wowlan_config
) {
8629 struct nlattr
*nl_wowlan
;
8631 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8633 goto nla_put_failure
;
8635 if ((rdev
->wiphy
.wowlan_config
->any
&&
8636 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8637 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8638 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8639 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8640 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8641 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8642 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8643 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8644 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8645 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8646 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8647 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8648 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8649 goto nla_put_failure
;
8651 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8652 goto nla_put_failure
;
8654 if (nl80211_send_wowlan_tcp(msg
,
8655 rdev
->wiphy
.wowlan_config
->tcp
))
8656 goto nla_put_failure
;
8658 nla_nest_end(msg
, nl_wowlan
);
8661 genlmsg_end(msg
, hdr
);
8662 return genlmsg_reply(msg
, info
);
8669 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8670 struct nlattr
*attr
,
8671 struct cfg80211_wowlan
*trig
)
8673 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8674 struct cfg80211_wowlan_tcp
*cfg
;
8675 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8676 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8678 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8681 if (!rdev
->wiphy
.wowlan
->tcp
)
8684 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8685 nla_data(attr
), nla_len(attr
),
8686 nl80211_wowlan_tcp_policy
);
8690 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8691 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8692 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8693 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8694 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8695 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8696 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8697 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8700 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8701 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8704 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8705 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8706 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8709 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8710 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8713 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8714 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8717 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8718 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8720 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8721 tokens_size
= tokln
- sizeof(*tok
);
8723 if (!tok
->len
|| tokens_size
% tok
->len
)
8725 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8727 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8729 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8731 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8733 if (tok
->offset
+ tok
->len
> data_size
)
8737 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8738 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8739 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8741 if (seq
->len
== 0 || seq
->len
> 4)
8743 if (seq
->len
+ seq
->offset
> data_size
)
8747 size
= sizeof(*cfg
);
8749 size
+= wake_size
+ wake_mask_size
;
8750 size
+= tokens_size
;
8752 cfg
= kzalloc(size
, GFP_KERNEL
);
8755 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8756 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8757 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8759 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8760 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8764 /* allocate a socket and port for it and use it */
8765 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8766 IPPROTO_TCP
, &cfg
->sock
, 1);
8771 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8772 sock_release(cfg
->sock
);
8776 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8782 cfg
->src_port
= port
;
8785 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8786 cfg
->payload_len
= data_size
;
8787 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8788 memcpy((void *)cfg
->payload
,
8789 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8792 cfg
->payload_seq
= *seq
;
8793 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8794 cfg
->wake_len
= wake_size
;
8795 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8796 memcpy((void *)cfg
->wake_data
,
8797 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8799 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8800 data_size
+ wake_size
;
8801 memcpy((void *)cfg
->wake_mask
,
8802 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8805 cfg
->tokens_size
= tokens_size
;
8806 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8814 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
8815 const struct wiphy_wowlan_support
*wowlan
,
8816 struct nlattr
*attr
,
8817 struct cfg80211_wowlan
*trig
)
8822 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
8826 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
8831 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
8832 nla_data(attr
), nla_len(attr
),
8837 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
8838 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
8840 trig
->nd_config
= NULL
;
8847 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8849 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8850 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8851 struct cfg80211_wowlan new_triggers
= {};
8852 struct cfg80211_wowlan
*ntrig
;
8853 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8855 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8860 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8861 cfg80211_rdev_free_wowlan(rdev
);
8862 rdev
->wiphy
.wowlan_config
= NULL
;
8866 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8867 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8868 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8869 nl80211_wowlan_policy
);
8873 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8874 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8876 new_triggers
.any
= true;
8879 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8880 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8882 new_triggers
.disconnect
= true;
8885 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8886 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8888 new_triggers
.magic_pkt
= true;
8891 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8894 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8895 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8897 new_triggers
.gtk_rekey_failure
= true;
8900 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8901 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8903 new_triggers
.eap_identity_req
= true;
8906 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8907 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8909 new_triggers
.four_way_handshake
= true;
8912 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8913 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8915 new_triggers
.rfkill_release
= true;
8918 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8921 int rem
, pat_len
, mask_len
, pkt_offset
;
8922 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8924 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8927 if (n_patterns
> wowlan
->n_patterns
)
8930 new_triggers
.patterns
= kcalloc(n_patterns
,
8931 sizeof(new_triggers
.patterns
[0]),
8933 if (!new_triggers
.patterns
)
8936 new_triggers
.n_patterns
= n_patterns
;
8939 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8943 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8944 nla_len(pat
), NULL
);
8946 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8947 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8949 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8950 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8951 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8953 if (pat_len
> wowlan
->pattern_max_len
||
8954 pat_len
< wowlan
->pattern_min_len
)
8957 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8960 pkt_offset
= nla_get_u32(
8961 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8962 if (pkt_offset
> wowlan
->max_pkt_offset
)
8964 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8966 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8971 new_triggers
.patterns
[i
].mask
= mask_pat
;
8972 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8974 mask_pat
+= mask_len
;
8975 new_triggers
.patterns
[i
].pattern
= mask_pat
;
8976 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8978 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8984 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8985 err
= nl80211_parse_wowlan_tcp(
8986 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8992 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
8993 err
= nl80211_parse_wowlan_nd(
8994 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
9000 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
9005 cfg80211_rdev_free_wowlan(rdev
);
9006 rdev
->wiphy
.wowlan_config
= ntrig
;
9009 if (rdev
->ops
->set_wakeup
&&
9010 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
9011 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
9015 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
9016 kfree(new_triggers
.patterns
[i
].mask
);
9017 kfree(new_triggers
.patterns
);
9018 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
9019 sock_release(new_triggers
.tcp
->sock
);
9020 kfree(new_triggers
.tcp
);
9025 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
9026 struct cfg80211_registered_device
*rdev
)
9028 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
9030 struct cfg80211_coalesce_rules
*rule
;
9032 if (!rdev
->coalesce
->n_rules
)
9035 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9039 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9040 nl_rule
= nla_nest_start(msg
, i
+ 1);
9044 rule
= &rdev
->coalesce
->rules
[i
];
9045 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9049 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9053 nl_pats
= nla_nest_start(msg
,
9054 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9058 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9059 nl_pat
= nla_nest_start(msg
, j
+ 1);
9062 pat_len
= rule
->patterns
[j
].pattern_len
;
9063 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9064 DIV_ROUND_UP(pat_len
, 8),
9065 rule
->patterns
[j
].mask
) ||
9066 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9067 rule
->patterns
[j
].pattern
) ||
9068 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9069 rule
->patterns
[j
].pkt_offset
))
9071 nla_nest_end(msg
, nl_pat
);
9073 nla_nest_end(msg
, nl_pats
);
9074 nla_nest_end(msg
, nl_rule
);
9076 nla_nest_end(msg
, nl_rules
);
9081 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9083 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9084 struct sk_buff
*msg
;
9087 if (!rdev
->wiphy
.coalesce
)
9090 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9094 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9095 NL80211_CMD_GET_COALESCE
);
9097 goto nla_put_failure
;
9099 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9100 goto nla_put_failure
;
9102 genlmsg_end(msg
, hdr
);
9103 return genlmsg_reply(msg
, info
);
9110 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9112 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9114 struct cfg80211_coalesce_rules
*rule
;
9119 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9120 rule
= &coalesce
->rules
[i
];
9121 for (j
= 0; j
< rule
->n_patterns
; j
++)
9122 kfree(rule
->patterns
[j
].mask
);
9123 kfree(rule
->patterns
);
9125 kfree(coalesce
->rules
);
9127 rdev
->coalesce
= NULL
;
9130 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9131 struct nlattr
*rule
,
9132 struct cfg80211_coalesce_rules
*new_rule
)
9135 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9136 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9137 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9138 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9140 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9141 nla_len(rule
), nl80211_coalesce_policy
);
9145 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9147 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9148 if (new_rule
->delay
> coalesce
->max_delay
)
9151 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9152 new_rule
->condition
=
9153 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9154 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9155 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9158 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9161 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9164 if (n_patterns
> coalesce
->n_patterns
)
9167 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9169 if (!new_rule
->patterns
)
9172 new_rule
->n_patterns
= n_patterns
;
9175 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9179 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9180 nla_len(pat
), NULL
);
9181 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9182 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9184 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9185 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9186 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9188 if (pat_len
> coalesce
->pattern_max_len
||
9189 pat_len
< coalesce
->pattern_min_len
)
9192 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9195 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9196 if (pkt_offset
> coalesce
->max_pkt_offset
)
9198 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9200 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9204 new_rule
->patterns
[i
].mask
= mask_pat
;
9205 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9208 mask_pat
+= mask_len
;
9209 new_rule
->patterns
[i
].pattern
= mask_pat
;
9210 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9211 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9219 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9221 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9222 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9223 struct cfg80211_coalesce new_coalesce
= {};
9224 struct cfg80211_coalesce
*n_coalesce
;
9225 int err
, rem_rule
, n_rules
= 0, i
, j
;
9226 struct nlattr
*rule
;
9227 struct cfg80211_coalesce_rules
*tmp_rule
;
9229 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9232 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9233 cfg80211_rdev_free_coalesce(rdev
);
9234 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9238 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9241 if (n_rules
> coalesce
->n_rules
)
9244 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9246 if (!new_coalesce
.rules
)
9249 new_coalesce
.n_rules
= n_rules
;
9252 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9254 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9255 &new_coalesce
.rules
[i
]);
9262 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9266 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9271 cfg80211_rdev_free_coalesce(rdev
);
9272 rdev
->coalesce
= n_coalesce
;
9276 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9277 tmp_rule
= &new_coalesce
.rules
[i
];
9278 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9279 kfree(tmp_rule
->patterns
[j
].mask
);
9280 kfree(tmp_rule
->patterns
);
9282 kfree(new_coalesce
.rules
);
9287 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9289 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9290 struct net_device
*dev
= info
->user_ptr
[1];
9291 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9292 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9293 struct cfg80211_gtk_rekey_data rekey_data
;
9296 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9299 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9300 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9301 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9302 nl80211_rekey_policy
);
9306 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9308 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9310 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9313 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9314 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9315 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9318 if (!wdev
->current_bss
) {
9323 if (!rdev
->ops
->set_rekey_data
) {
9328 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9334 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9335 struct genl_info
*info
)
9337 struct net_device
*dev
= info
->user_ptr
[1];
9338 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9340 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9341 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9344 if (wdev
->ap_unexpected_nlportid
)
9347 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9351 static int nl80211_probe_client(struct sk_buff
*skb
,
9352 struct genl_info
*info
)
9354 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9355 struct net_device
*dev
= info
->user_ptr
[1];
9356 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9357 struct sk_buff
*msg
;
9363 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9364 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9367 if (!info
->attrs
[NL80211_ATTR_MAC
])
9370 if (!rdev
->ops
->probe_client
)
9373 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9377 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9378 NL80211_CMD_PROBE_CLIENT
);
9384 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9386 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9390 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9391 goto nla_put_failure
;
9393 genlmsg_end(msg
, hdr
);
9395 return genlmsg_reply(msg
, info
);
9404 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9406 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9407 struct cfg80211_beacon_registration
*reg
, *nreg
;
9410 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9413 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9417 /* First, check if already registered. */
9418 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9419 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9420 if (reg
->nlportid
== info
->snd_portid
) {
9425 /* Add it to the list */
9426 nreg
->nlportid
= info
->snd_portid
;
9427 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9429 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9433 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9438 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9440 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9441 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9444 if (!rdev
->ops
->start_p2p_device
)
9447 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9450 if (wdev
->p2p_started
)
9453 if (rfkill_blocked(rdev
->rfkill
))
9456 err
= rdev_start_p2p_device(rdev
, wdev
);
9460 wdev
->p2p_started
= true;
9466 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9468 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9469 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9471 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9474 if (!rdev
->ops
->stop_p2p_device
)
9477 cfg80211_stop_p2p_device(rdev
, wdev
);
9482 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9483 struct genl_info
*info
)
9486 struct sk_buff
*msg
;
9488 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9492 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9493 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9495 goto nla_put_failure
;
9497 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9498 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9499 goto nla_put_failure
;
9501 genlmsg_end(msg
, hdr
);
9502 return genlmsg_reply(msg
, info
);
9509 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9511 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9512 struct cfg80211_update_ft_ies_params ft_params
;
9513 struct net_device
*dev
= info
->user_ptr
[1];
9515 if (!rdev
->ops
->update_ft_ies
)
9518 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9519 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9522 memset(&ft_params
, 0, sizeof(ft_params
));
9523 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9524 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9525 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9527 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9530 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9531 struct genl_info
*info
)
9533 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9534 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9535 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9539 if (!rdev
->ops
->crit_proto_start
)
9542 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9545 if (rdev
->crit_proto_nlportid
)
9548 /* determine protocol if provided */
9549 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9550 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9552 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9555 /* timeout must be provided */
9556 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9560 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9562 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9565 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9567 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9572 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9573 struct genl_info
*info
)
9575 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9576 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9578 if (!rdev
->ops
->crit_proto_stop
)
9581 if (rdev
->crit_proto_nlportid
) {
9582 rdev
->crit_proto_nlportid
= 0;
9583 rdev_crit_proto_stop(rdev
, wdev
);
9588 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9590 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9591 struct wireless_dev
*wdev
=
9592 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9596 if (!rdev
->wiphy
.vendor_commands
)
9600 err
= PTR_ERR(wdev
);
9604 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9608 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9609 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9612 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9613 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9614 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9615 const struct wiphy_vendor_command
*vcmd
;
9619 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9621 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9624 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9625 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9628 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9632 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9634 !netif_running(wdev
->netdev
))
9636 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9643 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9644 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9645 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9648 rdev
->cur_cmd_info
= info
;
9649 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9651 rdev
->cur_cmd_info
= NULL
;
9658 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9659 enum nl80211_commands cmd
,
9660 enum nl80211_attrs attr
,
9663 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9665 if (WARN_ON(!rdev
->cur_cmd_info
))
9668 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9669 rdev
->cur_cmd_info
->snd_portid
,
9670 rdev
->cur_cmd_info
->snd_seq
,
9671 cmd
, attr
, NULL
, GFP_KERNEL
);
9673 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9675 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9677 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9678 void *hdr
= ((void **)skb
->cb
)[1];
9679 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9681 /* clear CB data for netlink core to own from now on */
9682 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9684 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9689 nla_nest_end(skb
, data
);
9690 genlmsg_end(skb
, hdr
);
9691 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9693 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9696 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9697 struct genl_info
*info
)
9699 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9700 struct cfg80211_qos_map
*qos_map
= NULL
;
9701 struct net_device
*dev
= info
->user_ptr
[1];
9702 u8
*pos
, len
, num_des
, des_len
, des
;
9705 if (!rdev
->ops
->set_qos_map
)
9708 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9709 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9710 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9712 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9713 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9716 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9720 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9723 sizeof(struct cfg80211_dscp_exception
);
9724 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9725 qos_map
->num_des
= num_des
;
9726 for (des
= 0; des
< num_des
; des
++) {
9727 if (qos_map
->dscp_exception
[des
].up
> 7) {
9734 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9737 wdev_lock(dev
->ieee80211_ptr
);
9738 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9740 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9741 wdev_unlock(dev
->ieee80211_ptr
);
9747 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9749 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9750 struct net_device
*dev
= info
->user_ptr
[1];
9751 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9754 u16 admitted_time
= 0;
9757 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
9760 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
9761 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
9764 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9765 if (tsid
>= IEEE80211_NUM_TIDS
)
9768 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
9769 if (up
>= IEEE80211_NUM_UPS
)
9772 /* WMM uses TIDs 0-7 even for TSPEC */
9773 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
9774 /* TODO: handle 802.11 TSPEC/admission control
9775 * need more attributes for that (e.g. BA session requirement);
9776 * change the WMM adminssion test above to allow both then
9781 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9783 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
9785 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
9791 switch (wdev
->iftype
) {
9792 case NL80211_IFTYPE_STATION
:
9793 case NL80211_IFTYPE_P2P_CLIENT
:
9794 if (wdev
->current_bss
)
9803 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
9810 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9812 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9813 struct net_device
*dev
= info
->user_ptr
[1];
9814 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9819 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
9822 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9823 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9826 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
9832 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
9833 struct genl_info
*info
)
9835 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9836 struct net_device
*dev
= info
->user_ptr
[1];
9837 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9838 struct cfg80211_chan_def chandef
= {};
9843 if (!rdev
->ops
->tdls_channel_switch
||
9844 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9847 switch (dev
->ieee80211_ptr
->iftype
) {
9848 case NL80211_IFTYPE_STATION
:
9849 case NL80211_IFTYPE_P2P_CLIENT
:
9855 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
9856 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
9859 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9864 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
9865 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
9866 * specification is not defined for them.
9868 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
9869 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
9870 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
9873 /* we will be active on the TDLS link */
9874 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, wdev
->iftype
))
9877 /* don't allow switching to DFS channels */
9878 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
9881 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9882 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
9885 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
9891 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
9892 struct genl_info
*info
)
9894 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9895 struct net_device
*dev
= info
->user_ptr
[1];
9896 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9899 if (!rdev
->ops
->tdls_channel_switch
||
9900 !rdev
->ops
->tdls_cancel_channel_switch
||
9901 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9904 switch (dev
->ieee80211_ptr
->iftype
) {
9905 case NL80211_IFTYPE_STATION
:
9906 case NL80211_IFTYPE_P2P_CLIENT
:
9912 if (!info
->attrs
[NL80211_ATTR_MAC
])
9915 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9918 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
9924 #define NL80211_FLAG_NEED_WIPHY 0x01
9925 #define NL80211_FLAG_NEED_NETDEV 0x02
9926 #define NL80211_FLAG_NEED_RTNL 0x04
9927 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9928 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9929 NL80211_FLAG_CHECK_NETDEV_UP)
9930 #define NL80211_FLAG_NEED_WDEV 0x10
9931 /* If a netdev is associated, it must be UP, P2P must be started */
9932 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9933 NL80211_FLAG_CHECK_NETDEV_UP)
9934 #define NL80211_FLAG_CLEAR_SKB 0x20
9936 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9937 struct genl_info
*info
)
9939 struct cfg80211_registered_device
*rdev
;
9940 struct wireless_dev
*wdev
;
9941 struct net_device
*dev
;
9942 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9947 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9948 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9952 return PTR_ERR(rdev
);
9954 info
->user_ptr
[0] = rdev
;
9955 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9956 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9959 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9964 return PTR_ERR(wdev
);
9968 rdev
= wiphy_to_rdev(wdev
->wiphy
);
9970 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9977 info
->user_ptr
[1] = dev
;
9979 info
->user_ptr
[1] = wdev
;
9983 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9984 !netif_running(dev
)) {
9991 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9992 if (!wdev
->p2p_started
) {
9999 info
->user_ptr
[0] = rdev
;
10005 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
10006 struct genl_info
*info
)
10008 if (info
->user_ptr
[1]) {
10009 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
10010 struct wireless_dev
*wdev
= info
->user_ptr
[1];
10013 dev_put(wdev
->netdev
);
10015 dev_put(info
->user_ptr
[1]);
10019 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
10022 /* If needed, clear the netlink message payload from the SKB
10023 * as it might contain key data that shouldn't stick around on
10024 * the heap after the SKB is freed. The netlink message header
10025 * is still needed for further processing, so leave it intact.
10027 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
10028 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
10030 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10034 static const struct genl_ops nl80211_ops
[] = {
10036 .cmd
= NL80211_CMD_GET_WIPHY
,
10037 .doit
= nl80211_get_wiphy
,
10038 .dumpit
= nl80211_dump_wiphy
,
10039 .done
= nl80211_dump_wiphy_done
,
10040 .policy
= nl80211_policy
,
10041 /* can be retrieved by unprivileged users */
10042 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10043 NL80211_FLAG_NEED_RTNL
,
10046 .cmd
= NL80211_CMD_SET_WIPHY
,
10047 .doit
= nl80211_set_wiphy
,
10048 .policy
= nl80211_policy
,
10049 .flags
= GENL_ADMIN_PERM
,
10050 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10053 .cmd
= NL80211_CMD_GET_INTERFACE
,
10054 .doit
= nl80211_get_interface
,
10055 .dumpit
= nl80211_dump_interface
,
10056 .policy
= nl80211_policy
,
10057 /* can be retrieved by unprivileged users */
10058 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10059 NL80211_FLAG_NEED_RTNL
,
10062 .cmd
= NL80211_CMD_SET_INTERFACE
,
10063 .doit
= nl80211_set_interface
,
10064 .policy
= nl80211_policy
,
10065 .flags
= GENL_ADMIN_PERM
,
10066 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10067 NL80211_FLAG_NEED_RTNL
,
10070 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10071 .doit
= nl80211_new_interface
,
10072 .policy
= nl80211_policy
,
10073 .flags
= GENL_ADMIN_PERM
,
10074 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10075 NL80211_FLAG_NEED_RTNL
,
10078 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10079 .doit
= nl80211_del_interface
,
10080 .policy
= nl80211_policy
,
10081 .flags
= GENL_ADMIN_PERM
,
10082 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10083 NL80211_FLAG_NEED_RTNL
,
10086 .cmd
= NL80211_CMD_GET_KEY
,
10087 .doit
= nl80211_get_key
,
10088 .policy
= nl80211_policy
,
10089 .flags
= GENL_ADMIN_PERM
,
10090 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10091 NL80211_FLAG_NEED_RTNL
,
10094 .cmd
= NL80211_CMD_SET_KEY
,
10095 .doit
= nl80211_set_key
,
10096 .policy
= nl80211_policy
,
10097 .flags
= GENL_ADMIN_PERM
,
10098 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10099 NL80211_FLAG_NEED_RTNL
|
10100 NL80211_FLAG_CLEAR_SKB
,
10103 .cmd
= NL80211_CMD_NEW_KEY
,
10104 .doit
= nl80211_new_key
,
10105 .policy
= nl80211_policy
,
10106 .flags
= GENL_ADMIN_PERM
,
10107 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10108 NL80211_FLAG_NEED_RTNL
|
10109 NL80211_FLAG_CLEAR_SKB
,
10112 .cmd
= NL80211_CMD_DEL_KEY
,
10113 .doit
= nl80211_del_key
,
10114 .policy
= nl80211_policy
,
10115 .flags
= GENL_ADMIN_PERM
,
10116 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10117 NL80211_FLAG_NEED_RTNL
,
10120 .cmd
= NL80211_CMD_SET_BEACON
,
10121 .policy
= nl80211_policy
,
10122 .flags
= GENL_ADMIN_PERM
,
10123 .doit
= nl80211_set_beacon
,
10124 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10125 NL80211_FLAG_NEED_RTNL
,
10128 .cmd
= NL80211_CMD_START_AP
,
10129 .policy
= nl80211_policy
,
10130 .flags
= GENL_ADMIN_PERM
,
10131 .doit
= nl80211_start_ap
,
10132 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10133 NL80211_FLAG_NEED_RTNL
,
10136 .cmd
= NL80211_CMD_STOP_AP
,
10137 .policy
= nl80211_policy
,
10138 .flags
= GENL_ADMIN_PERM
,
10139 .doit
= nl80211_stop_ap
,
10140 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10141 NL80211_FLAG_NEED_RTNL
,
10144 .cmd
= NL80211_CMD_GET_STATION
,
10145 .doit
= nl80211_get_station
,
10146 .dumpit
= nl80211_dump_station
,
10147 .policy
= nl80211_policy
,
10148 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10149 NL80211_FLAG_NEED_RTNL
,
10152 .cmd
= NL80211_CMD_SET_STATION
,
10153 .doit
= nl80211_set_station
,
10154 .policy
= nl80211_policy
,
10155 .flags
= GENL_ADMIN_PERM
,
10156 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10157 NL80211_FLAG_NEED_RTNL
,
10160 .cmd
= NL80211_CMD_NEW_STATION
,
10161 .doit
= nl80211_new_station
,
10162 .policy
= nl80211_policy
,
10163 .flags
= GENL_ADMIN_PERM
,
10164 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10165 NL80211_FLAG_NEED_RTNL
,
10168 .cmd
= NL80211_CMD_DEL_STATION
,
10169 .doit
= nl80211_del_station
,
10170 .policy
= nl80211_policy
,
10171 .flags
= GENL_ADMIN_PERM
,
10172 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10173 NL80211_FLAG_NEED_RTNL
,
10176 .cmd
= NL80211_CMD_GET_MPATH
,
10177 .doit
= nl80211_get_mpath
,
10178 .dumpit
= nl80211_dump_mpath
,
10179 .policy
= nl80211_policy
,
10180 .flags
= GENL_ADMIN_PERM
,
10181 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10182 NL80211_FLAG_NEED_RTNL
,
10185 .cmd
= NL80211_CMD_GET_MPP
,
10186 .doit
= nl80211_get_mpp
,
10187 .dumpit
= nl80211_dump_mpp
,
10188 .policy
= nl80211_policy
,
10189 .flags
= GENL_ADMIN_PERM
,
10190 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10191 NL80211_FLAG_NEED_RTNL
,
10194 .cmd
= NL80211_CMD_SET_MPATH
,
10195 .doit
= nl80211_set_mpath
,
10196 .policy
= nl80211_policy
,
10197 .flags
= GENL_ADMIN_PERM
,
10198 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10199 NL80211_FLAG_NEED_RTNL
,
10202 .cmd
= NL80211_CMD_NEW_MPATH
,
10203 .doit
= nl80211_new_mpath
,
10204 .policy
= nl80211_policy
,
10205 .flags
= GENL_ADMIN_PERM
,
10206 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10207 NL80211_FLAG_NEED_RTNL
,
10210 .cmd
= NL80211_CMD_DEL_MPATH
,
10211 .doit
= nl80211_del_mpath
,
10212 .policy
= nl80211_policy
,
10213 .flags
= GENL_ADMIN_PERM
,
10214 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10215 NL80211_FLAG_NEED_RTNL
,
10218 .cmd
= NL80211_CMD_SET_BSS
,
10219 .doit
= nl80211_set_bss
,
10220 .policy
= nl80211_policy
,
10221 .flags
= GENL_ADMIN_PERM
,
10222 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10223 NL80211_FLAG_NEED_RTNL
,
10226 .cmd
= NL80211_CMD_GET_REG
,
10227 .doit
= nl80211_get_reg
,
10228 .policy
= nl80211_policy
,
10229 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10230 /* can be retrieved by unprivileged users */
10233 .cmd
= NL80211_CMD_SET_REG
,
10234 .doit
= nl80211_set_reg
,
10235 .policy
= nl80211_policy
,
10236 .flags
= GENL_ADMIN_PERM
,
10237 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10240 .cmd
= NL80211_CMD_REQ_SET_REG
,
10241 .doit
= nl80211_req_set_reg
,
10242 .policy
= nl80211_policy
,
10243 .flags
= GENL_ADMIN_PERM
,
10246 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10247 .doit
= nl80211_get_mesh_config
,
10248 .policy
= nl80211_policy
,
10249 /* can be retrieved by unprivileged users */
10250 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10251 NL80211_FLAG_NEED_RTNL
,
10254 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10255 .doit
= nl80211_update_mesh_config
,
10256 .policy
= nl80211_policy
,
10257 .flags
= GENL_ADMIN_PERM
,
10258 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10259 NL80211_FLAG_NEED_RTNL
,
10262 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
10263 .doit
= nl80211_trigger_scan
,
10264 .policy
= nl80211_policy
,
10265 .flags
= GENL_ADMIN_PERM
,
10266 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10267 NL80211_FLAG_NEED_RTNL
,
10270 .cmd
= NL80211_CMD_GET_SCAN
,
10271 .policy
= nl80211_policy
,
10272 .dumpit
= nl80211_dump_scan
,
10275 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10276 .doit
= nl80211_start_sched_scan
,
10277 .policy
= nl80211_policy
,
10278 .flags
= GENL_ADMIN_PERM
,
10279 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10280 NL80211_FLAG_NEED_RTNL
,
10283 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
10284 .doit
= nl80211_stop_sched_scan
,
10285 .policy
= nl80211_policy
,
10286 .flags
= GENL_ADMIN_PERM
,
10287 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10288 NL80211_FLAG_NEED_RTNL
,
10291 .cmd
= NL80211_CMD_AUTHENTICATE
,
10292 .doit
= nl80211_authenticate
,
10293 .policy
= nl80211_policy
,
10294 .flags
= GENL_ADMIN_PERM
,
10295 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10296 NL80211_FLAG_NEED_RTNL
|
10297 NL80211_FLAG_CLEAR_SKB
,
10300 .cmd
= NL80211_CMD_ASSOCIATE
,
10301 .doit
= nl80211_associate
,
10302 .policy
= nl80211_policy
,
10303 .flags
= GENL_ADMIN_PERM
,
10304 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10305 NL80211_FLAG_NEED_RTNL
,
10308 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10309 .doit
= nl80211_deauthenticate
,
10310 .policy
= nl80211_policy
,
10311 .flags
= GENL_ADMIN_PERM
,
10312 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10313 NL80211_FLAG_NEED_RTNL
,
10316 .cmd
= NL80211_CMD_DISASSOCIATE
,
10317 .doit
= nl80211_disassociate
,
10318 .policy
= nl80211_policy
,
10319 .flags
= GENL_ADMIN_PERM
,
10320 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10321 NL80211_FLAG_NEED_RTNL
,
10324 .cmd
= NL80211_CMD_JOIN_IBSS
,
10325 .doit
= nl80211_join_ibss
,
10326 .policy
= nl80211_policy
,
10327 .flags
= GENL_ADMIN_PERM
,
10328 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10329 NL80211_FLAG_NEED_RTNL
,
10332 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10333 .doit
= nl80211_leave_ibss
,
10334 .policy
= nl80211_policy
,
10335 .flags
= GENL_ADMIN_PERM
,
10336 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10337 NL80211_FLAG_NEED_RTNL
,
10339 #ifdef CONFIG_NL80211_TESTMODE
10341 .cmd
= NL80211_CMD_TESTMODE
,
10342 .doit
= nl80211_testmode_do
,
10343 .dumpit
= nl80211_testmode_dump
,
10344 .policy
= nl80211_policy
,
10345 .flags
= GENL_ADMIN_PERM
,
10346 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10347 NL80211_FLAG_NEED_RTNL
,
10351 .cmd
= NL80211_CMD_CONNECT
,
10352 .doit
= nl80211_connect
,
10353 .policy
= nl80211_policy
,
10354 .flags
= GENL_ADMIN_PERM
,
10355 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10356 NL80211_FLAG_NEED_RTNL
,
10359 .cmd
= NL80211_CMD_DISCONNECT
,
10360 .doit
= nl80211_disconnect
,
10361 .policy
= nl80211_policy
,
10362 .flags
= GENL_ADMIN_PERM
,
10363 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10364 NL80211_FLAG_NEED_RTNL
,
10367 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10368 .doit
= nl80211_wiphy_netns
,
10369 .policy
= nl80211_policy
,
10370 .flags
= GENL_ADMIN_PERM
,
10371 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10372 NL80211_FLAG_NEED_RTNL
,
10375 .cmd
= NL80211_CMD_GET_SURVEY
,
10376 .policy
= nl80211_policy
,
10377 .dumpit
= nl80211_dump_survey
,
10380 .cmd
= NL80211_CMD_SET_PMKSA
,
10381 .doit
= nl80211_setdel_pmksa
,
10382 .policy
= nl80211_policy
,
10383 .flags
= GENL_ADMIN_PERM
,
10384 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10385 NL80211_FLAG_NEED_RTNL
,
10388 .cmd
= NL80211_CMD_DEL_PMKSA
,
10389 .doit
= nl80211_setdel_pmksa
,
10390 .policy
= nl80211_policy
,
10391 .flags
= GENL_ADMIN_PERM
,
10392 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10393 NL80211_FLAG_NEED_RTNL
,
10396 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10397 .doit
= nl80211_flush_pmksa
,
10398 .policy
= nl80211_policy
,
10399 .flags
= GENL_ADMIN_PERM
,
10400 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10401 NL80211_FLAG_NEED_RTNL
,
10404 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10405 .doit
= nl80211_remain_on_channel
,
10406 .policy
= nl80211_policy
,
10407 .flags
= GENL_ADMIN_PERM
,
10408 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10409 NL80211_FLAG_NEED_RTNL
,
10412 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10413 .doit
= nl80211_cancel_remain_on_channel
,
10414 .policy
= nl80211_policy
,
10415 .flags
= GENL_ADMIN_PERM
,
10416 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10417 NL80211_FLAG_NEED_RTNL
,
10420 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10421 .doit
= nl80211_set_tx_bitrate_mask
,
10422 .policy
= nl80211_policy
,
10423 .flags
= GENL_ADMIN_PERM
,
10424 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10425 NL80211_FLAG_NEED_RTNL
,
10428 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10429 .doit
= nl80211_register_mgmt
,
10430 .policy
= nl80211_policy
,
10431 .flags
= GENL_ADMIN_PERM
,
10432 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10433 NL80211_FLAG_NEED_RTNL
,
10436 .cmd
= NL80211_CMD_FRAME
,
10437 .doit
= nl80211_tx_mgmt
,
10438 .policy
= nl80211_policy
,
10439 .flags
= GENL_ADMIN_PERM
,
10440 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10441 NL80211_FLAG_NEED_RTNL
,
10444 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10445 .doit
= nl80211_tx_mgmt_cancel_wait
,
10446 .policy
= nl80211_policy
,
10447 .flags
= GENL_ADMIN_PERM
,
10448 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10449 NL80211_FLAG_NEED_RTNL
,
10452 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10453 .doit
= nl80211_set_power_save
,
10454 .policy
= nl80211_policy
,
10455 .flags
= GENL_ADMIN_PERM
,
10456 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10457 NL80211_FLAG_NEED_RTNL
,
10460 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10461 .doit
= nl80211_get_power_save
,
10462 .policy
= nl80211_policy
,
10463 /* can be retrieved by unprivileged users */
10464 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10465 NL80211_FLAG_NEED_RTNL
,
10468 .cmd
= NL80211_CMD_SET_CQM
,
10469 .doit
= nl80211_set_cqm
,
10470 .policy
= nl80211_policy
,
10471 .flags
= GENL_ADMIN_PERM
,
10472 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10473 NL80211_FLAG_NEED_RTNL
,
10476 .cmd
= NL80211_CMD_SET_CHANNEL
,
10477 .doit
= nl80211_set_channel
,
10478 .policy
= nl80211_policy
,
10479 .flags
= GENL_ADMIN_PERM
,
10480 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10481 NL80211_FLAG_NEED_RTNL
,
10484 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10485 .doit
= nl80211_set_wds_peer
,
10486 .policy
= nl80211_policy
,
10487 .flags
= GENL_ADMIN_PERM
,
10488 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10489 NL80211_FLAG_NEED_RTNL
,
10492 .cmd
= NL80211_CMD_JOIN_MESH
,
10493 .doit
= nl80211_join_mesh
,
10494 .policy
= nl80211_policy
,
10495 .flags
= GENL_ADMIN_PERM
,
10496 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10497 NL80211_FLAG_NEED_RTNL
,
10500 .cmd
= NL80211_CMD_LEAVE_MESH
,
10501 .doit
= nl80211_leave_mesh
,
10502 .policy
= nl80211_policy
,
10503 .flags
= GENL_ADMIN_PERM
,
10504 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10505 NL80211_FLAG_NEED_RTNL
,
10508 .cmd
= NL80211_CMD_JOIN_OCB
,
10509 .doit
= nl80211_join_ocb
,
10510 .policy
= nl80211_policy
,
10511 .flags
= GENL_ADMIN_PERM
,
10512 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10513 NL80211_FLAG_NEED_RTNL
,
10516 .cmd
= NL80211_CMD_LEAVE_OCB
,
10517 .doit
= nl80211_leave_ocb
,
10518 .policy
= nl80211_policy
,
10519 .flags
= GENL_ADMIN_PERM
,
10520 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10521 NL80211_FLAG_NEED_RTNL
,
10525 .cmd
= NL80211_CMD_GET_WOWLAN
,
10526 .doit
= nl80211_get_wowlan
,
10527 .policy
= nl80211_policy
,
10528 /* can be retrieved by unprivileged users */
10529 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10530 NL80211_FLAG_NEED_RTNL
,
10533 .cmd
= NL80211_CMD_SET_WOWLAN
,
10534 .doit
= nl80211_set_wowlan
,
10535 .policy
= nl80211_policy
,
10536 .flags
= GENL_ADMIN_PERM
,
10537 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10538 NL80211_FLAG_NEED_RTNL
,
10542 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10543 .doit
= nl80211_set_rekey_data
,
10544 .policy
= nl80211_policy
,
10545 .flags
= GENL_ADMIN_PERM
,
10546 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10547 NL80211_FLAG_NEED_RTNL
|
10548 NL80211_FLAG_CLEAR_SKB
,
10551 .cmd
= NL80211_CMD_TDLS_MGMT
,
10552 .doit
= nl80211_tdls_mgmt
,
10553 .policy
= nl80211_policy
,
10554 .flags
= GENL_ADMIN_PERM
,
10555 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10556 NL80211_FLAG_NEED_RTNL
,
10559 .cmd
= NL80211_CMD_TDLS_OPER
,
10560 .doit
= nl80211_tdls_oper
,
10561 .policy
= nl80211_policy
,
10562 .flags
= GENL_ADMIN_PERM
,
10563 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10564 NL80211_FLAG_NEED_RTNL
,
10567 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10568 .doit
= nl80211_register_unexpected_frame
,
10569 .policy
= nl80211_policy
,
10570 .flags
= GENL_ADMIN_PERM
,
10571 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10572 NL80211_FLAG_NEED_RTNL
,
10575 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10576 .doit
= nl80211_probe_client
,
10577 .policy
= nl80211_policy
,
10578 .flags
= GENL_ADMIN_PERM
,
10579 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10580 NL80211_FLAG_NEED_RTNL
,
10583 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
10584 .doit
= nl80211_register_beacons
,
10585 .policy
= nl80211_policy
,
10586 .flags
= GENL_ADMIN_PERM
,
10587 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10588 NL80211_FLAG_NEED_RTNL
,
10591 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10592 .doit
= nl80211_set_noack_map
,
10593 .policy
= nl80211_policy
,
10594 .flags
= GENL_ADMIN_PERM
,
10595 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10596 NL80211_FLAG_NEED_RTNL
,
10599 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10600 .doit
= nl80211_start_p2p_device
,
10601 .policy
= nl80211_policy
,
10602 .flags
= GENL_ADMIN_PERM
,
10603 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10604 NL80211_FLAG_NEED_RTNL
,
10607 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10608 .doit
= nl80211_stop_p2p_device
,
10609 .policy
= nl80211_policy
,
10610 .flags
= GENL_ADMIN_PERM
,
10611 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10612 NL80211_FLAG_NEED_RTNL
,
10615 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10616 .doit
= nl80211_set_mcast_rate
,
10617 .policy
= nl80211_policy
,
10618 .flags
= GENL_ADMIN_PERM
,
10619 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10620 NL80211_FLAG_NEED_RTNL
,
10623 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10624 .doit
= nl80211_set_mac_acl
,
10625 .policy
= nl80211_policy
,
10626 .flags
= GENL_ADMIN_PERM
,
10627 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10628 NL80211_FLAG_NEED_RTNL
,
10631 .cmd
= NL80211_CMD_RADAR_DETECT
,
10632 .doit
= nl80211_start_radar_detection
,
10633 .policy
= nl80211_policy
,
10634 .flags
= GENL_ADMIN_PERM
,
10635 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10636 NL80211_FLAG_NEED_RTNL
,
10639 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10640 .doit
= nl80211_get_protocol_features
,
10641 .policy
= nl80211_policy
,
10644 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10645 .doit
= nl80211_update_ft_ies
,
10646 .policy
= nl80211_policy
,
10647 .flags
= GENL_ADMIN_PERM
,
10648 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10649 NL80211_FLAG_NEED_RTNL
,
10652 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10653 .doit
= nl80211_crit_protocol_start
,
10654 .policy
= nl80211_policy
,
10655 .flags
= GENL_ADMIN_PERM
,
10656 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10657 NL80211_FLAG_NEED_RTNL
,
10660 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10661 .doit
= nl80211_crit_protocol_stop
,
10662 .policy
= nl80211_policy
,
10663 .flags
= GENL_ADMIN_PERM
,
10664 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10665 NL80211_FLAG_NEED_RTNL
,
10668 .cmd
= NL80211_CMD_GET_COALESCE
,
10669 .doit
= nl80211_get_coalesce
,
10670 .policy
= nl80211_policy
,
10671 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10672 NL80211_FLAG_NEED_RTNL
,
10675 .cmd
= NL80211_CMD_SET_COALESCE
,
10676 .doit
= nl80211_set_coalesce
,
10677 .policy
= nl80211_policy
,
10678 .flags
= GENL_ADMIN_PERM
,
10679 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10680 NL80211_FLAG_NEED_RTNL
,
10683 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10684 .doit
= nl80211_channel_switch
,
10685 .policy
= nl80211_policy
,
10686 .flags
= GENL_ADMIN_PERM
,
10687 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10688 NL80211_FLAG_NEED_RTNL
,
10691 .cmd
= NL80211_CMD_VENDOR
,
10692 .doit
= nl80211_vendor_cmd
,
10693 .policy
= nl80211_policy
,
10694 .flags
= GENL_ADMIN_PERM
,
10695 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10696 NL80211_FLAG_NEED_RTNL
,
10699 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10700 .doit
= nl80211_set_qos_map
,
10701 .policy
= nl80211_policy
,
10702 .flags
= GENL_ADMIN_PERM
,
10703 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10704 NL80211_FLAG_NEED_RTNL
,
10707 .cmd
= NL80211_CMD_ADD_TX_TS
,
10708 .doit
= nl80211_add_tx_ts
,
10709 .policy
= nl80211_policy
,
10710 .flags
= GENL_ADMIN_PERM
,
10711 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10712 NL80211_FLAG_NEED_RTNL
,
10715 .cmd
= NL80211_CMD_DEL_TX_TS
,
10716 .doit
= nl80211_del_tx_ts
,
10717 .policy
= nl80211_policy
,
10718 .flags
= GENL_ADMIN_PERM
,
10719 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10720 NL80211_FLAG_NEED_RTNL
,
10723 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
10724 .doit
= nl80211_tdls_channel_switch
,
10725 .policy
= nl80211_policy
,
10726 .flags
= GENL_ADMIN_PERM
,
10727 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10728 NL80211_FLAG_NEED_RTNL
,
10731 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
10732 .doit
= nl80211_tdls_cancel_channel_switch
,
10733 .policy
= nl80211_policy
,
10734 .flags
= GENL_ADMIN_PERM
,
10735 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10736 NL80211_FLAG_NEED_RTNL
,
10740 /* notification functions */
10742 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10743 enum nl80211_commands cmd
)
10745 struct sk_buff
*msg
;
10746 struct nl80211_dump_wiphy_state state
= {};
10748 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10749 cmd
!= NL80211_CMD_DEL_WIPHY
);
10751 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10755 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10760 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10761 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10764 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10765 struct cfg80211_registered_device
*rdev
)
10767 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10768 struct nlattr
*nest
;
10774 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10776 goto nla_put_failure
;
10777 for (i
= 0; i
< req
->n_ssids
; i
++) {
10778 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10779 goto nla_put_failure
;
10781 nla_nest_end(msg
, nest
);
10783 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10785 goto nla_put_failure
;
10786 for (i
= 0; i
< req
->n_channels
; i
++) {
10787 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10788 goto nla_put_failure
;
10790 nla_nest_end(msg
, nest
);
10793 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10794 goto nla_put_failure
;
10797 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10798 goto nla_put_failure
;
10805 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10806 struct cfg80211_registered_device
*rdev
,
10807 struct wireless_dev
*wdev
,
10808 u32 portid
, u32 seq
, int flags
,
10813 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10817 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10818 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10819 wdev
->netdev
->ifindex
)) ||
10820 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10821 goto nla_put_failure
;
10823 /* ignore errors and send incomplete event anyway */
10824 nl80211_add_scan_req(msg
, rdev
);
10826 return genlmsg_end(msg
, hdr
);
10829 genlmsg_cancel(msg
, hdr
);
10834 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10835 struct cfg80211_registered_device
*rdev
,
10836 struct net_device
*netdev
,
10837 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10841 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10845 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10846 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10847 goto nla_put_failure
;
10849 return genlmsg_end(msg
, hdr
);
10852 genlmsg_cancel(msg
, hdr
);
10856 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10857 struct wireless_dev
*wdev
)
10859 struct sk_buff
*msg
;
10861 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10865 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10866 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10871 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10872 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10875 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10876 struct wireless_dev
*wdev
, bool aborted
)
10878 struct sk_buff
*msg
;
10880 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10884 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10885 aborted
? NL80211_CMD_SCAN_ABORTED
:
10886 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10894 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10895 struct sk_buff
*msg
)
10900 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10901 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10904 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10905 struct net_device
*netdev
)
10907 struct sk_buff
*msg
;
10909 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10913 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10914 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10919 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10920 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10923 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10924 struct net_device
*netdev
, u32 cmd
)
10926 struct sk_buff
*msg
;
10928 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10932 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10937 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10938 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10942 * This can happen on global regulatory changes or device specific settings
10943 * based on custom world regulatory domains.
10945 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10947 struct sk_buff
*msg
;
10950 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10954 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10960 /* Userspace can always count this one always being set */
10961 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10962 goto nla_put_failure
;
10964 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10965 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10966 NL80211_REGDOM_TYPE_WORLD
))
10967 goto nla_put_failure
;
10968 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10969 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10970 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10971 goto nla_put_failure
;
10972 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10973 request
->intersect
) {
10974 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10975 NL80211_REGDOM_TYPE_INTERSECTION
))
10976 goto nla_put_failure
;
10978 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10979 NL80211_REGDOM_TYPE_COUNTRY
) ||
10980 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10982 goto nla_put_failure
;
10985 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10986 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10987 goto nla_put_failure
;
10989 genlmsg_end(msg
, hdr
);
10992 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10993 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10999 genlmsg_cancel(msg
, hdr
);
11003 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
11004 struct net_device
*netdev
,
11005 const u8
*buf
, size_t len
,
11006 enum nl80211_commands cmd
, gfp_t gfp
,
11009 struct sk_buff
*msg
;
11012 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11016 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11022 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11023 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11024 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
11025 goto nla_put_failure
;
11027 if (uapsd_queues
>= 0) {
11028 struct nlattr
*nla_wmm
=
11029 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
11031 goto nla_put_failure
;
11033 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11035 goto nla_put_failure
;
11037 nla_nest_end(msg
, nla_wmm
);
11040 genlmsg_end(msg
, hdr
);
11042 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11043 NL80211_MCGRP_MLME
, gfp
);
11047 genlmsg_cancel(msg
, hdr
);
11051 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11052 struct net_device
*netdev
, const u8
*buf
,
11053 size_t len
, gfp_t gfp
)
11055 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11056 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11059 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11060 struct net_device
*netdev
, const u8
*buf
,
11061 size_t len
, gfp_t gfp
, int uapsd_queues
)
11063 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11064 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11067 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11068 struct net_device
*netdev
, const u8
*buf
,
11069 size_t len
, gfp_t gfp
)
11071 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11072 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11075 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11076 struct net_device
*netdev
, const u8
*buf
,
11077 size_t len
, gfp_t gfp
)
11079 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11080 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11083 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11086 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11087 struct wiphy
*wiphy
= wdev
->wiphy
;
11088 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11089 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11092 if (WARN_ON(len
< 2))
11095 if (ieee80211_is_deauth(mgmt
->frame_control
))
11096 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11098 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11100 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11101 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11103 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11105 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11106 struct net_device
*netdev
, int cmd
,
11107 const u8
*addr
, gfp_t gfp
)
11109 struct sk_buff
*msg
;
11112 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11116 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11122 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11123 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11124 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11125 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11126 goto nla_put_failure
;
11128 genlmsg_end(msg
, hdr
);
11130 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11131 NL80211_MCGRP_MLME
, gfp
);
11135 genlmsg_cancel(msg
, hdr
);
11139 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11140 struct net_device
*netdev
, const u8
*addr
,
11143 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11147 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11148 struct net_device
*netdev
, const u8
*addr
,
11151 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11155 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11156 struct net_device
*netdev
, const u8
*bssid
,
11157 const u8
*req_ie
, size_t req_ie_len
,
11158 const u8
*resp_ie
, size_t resp_ie_len
,
11159 u16 status
, gfp_t gfp
)
11161 struct sk_buff
*msg
;
11164 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11168 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11174 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11175 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11176 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11177 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11179 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11181 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11182 goto nla_put_failure
;
11184 genlmsg_end(msg
, hdr
);
11186 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11187 NL80211_MCGRP_MLME
, gfp
);
11191 genlmsg_cancel(msg
, hdr
);
11196 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11197 struct net_device
*netdev
, const u8
*bssid
,
11198 const u8
*req_ie
, size_t req_ie_len
,
11199 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11201 struct sk_buff
*msg
;
11204 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11208 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11214 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11215 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11216 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11218 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11220 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11221 goto nla_put_failure
;
11223 genlmsg_end(msg
, hdr
);
11225 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11226 NL80211_MCGRP_MLME
, gfp
);
11230 genlmsg_cancel(msg
, hdr
);
11235 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11236 struct net_device
*netdev
, u16 reason
,
11237 const u8
*ie
, size_t ie_len
, bool from_ap
)
11239 struct sk_buff
*msg
;
11242 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11246 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11252 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11253 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11254 (from_ap
&& reason
&&
11255 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
11257 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
11258 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11259 goto nla_put_failure
;
11261 genlmsg_end(msg
, hdr
);
11263 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11264 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11268 genlmsg_cancel(msg
, hdr
);
11273 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
11274 struct net_device
*netdev
, const u8
*bssid
,
11277 struct sk_buff
*msg
;
11280 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11284 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
11290 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11291 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11292 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11293 goto nla_put_failure
;
11295 genlmsg_end(msg
, hdr
);
11297 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11298 NL80211_MCGRP_MLME
, gfp
);
11302 genlmsg_cancel(msg
, hdr
);
11306 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
11307 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
11309 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11310 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11311 struct sk_buff
*msg
;
11314 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11317 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
11319 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11323 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11329 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11330 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11331 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11333 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11334 goto nla_put_failure
;
11336 genlmsg_end(msg
, hdr
);
11338 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11339 NL80211_MCGRP_MLME
, gfp
);
11343 genlmsg_cancel(msg
, hdr
);
11346 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11348 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11349 struct net_device
*netdev
, const u8
*addr
,
11350 enum nl80211_key_type key_type
, int key_id
,
11351 const u8
*tsc
, gfp_t gfp
)
11353 struct sk_buff
*msg
;
11356 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11360 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11366 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11367 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11368 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11369 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11371 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11372 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11373 goto nla_put_failure
;
11375 genlmsg_end(msg
, hdr
);
11377 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11378 NL80211_MCGRP_MLME
, gfp
);
11382 genlmsg_cancel(msg
, hdr
);
11386 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11387 struct ieee80211_channel
*channel_before
,
11388 struct ieee80211_channel
*channel_after
)
11390 struct sk_buff
*msg
;
11392 struct nlattr
*nl_freq
;
11394 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11398 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11405 * Since we are applying the beacon hint to a wiphy we know its
11406 * wiphy_idx is valid
11408 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11409 goto nla_put_failure
;
11412 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11414 goto nla_put_failure
;
11415 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11416 goto nla_put_failure
;
11417 nla_nest_end(msg
, nl_freq
);
11420 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11422 goto nla_put_failure
;
11423 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11424 goto nla_put_failure
;
11425 nla_nest_end(msg
, nl_freq
);
11427 genlmsg_end(msg
, hdr
);
11430 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11431 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11437 genlmsg_cancel(msg
, hdr
);
11441 static void nl80211_send_remain_on_chan_event(
11442 int cmd
, struct cfg80211_registered_device
*rdev
,
11443 struct wireless_dev
*wdev
, u64 cookie
,
11444 struct ieee80211_channel
*chan
,
11445 unsigned int duration
, gfp_t gfp
)
11447 struct sk_buff
*msg
;
11450 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11454 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11460 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11461 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11462 wdev
->netdev
->ifindex
)) ||
11463 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11464 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11465 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11466 NL80211_CHAN_NO_HT
) ||
11467 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11468 goto nla_put_failure
;
11470 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11471 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11472 goto nla_put_failure
;
11474 genlmsg_end(msg
, hdr
);
11476 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11477 NL80211_MCGRP_MLME
, gfp
);
11481 genlmsg_cancel(msg
, hdr
);
11485 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11486 struct ieee80211_channel
*chan
,
11487 unsigned int duration
, gfp_t gfp
)
11489 struct wiphy
*wiphy
= wdev
->wiphy
;
11490 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11492 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11493 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11494 rdev
, wdev
, cookie
, chan
,
11497 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11499 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11500 struct ieee80211_channel
*chan
,
11503 struct wiphy
*wiphy
= wdev
->wiphy
;
11504 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11506 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11507 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11508 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11510 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11512 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11513 struct station_info
*sinfo
, gfp_t gfp
)
11515 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11516 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11517 struct sk_buff
*msg
;
11519 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11521 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11525 if (nl80211_send_station(msg
, 0, 0, 0,
11526 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11531 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11532 NL80211_MCGRP_MLME
, gfp
);
11534 EXPORT_SYMBOL(cfg80211_new_sta
);
11536 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
11538 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11539 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11540 struct sk_buff
*msg
;
11543 trace_cfg80211_del_sta(dev
, mac_addr
);
11545 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11549 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
11555 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11556 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
11557 goto nla_put_failure
;
11559 genlmsg_end(msg
, hdr
);
11561 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11562 NL80211_MCGRP_MLME
, gfp
);
11566 genlmsg_cancel(msg
, hdr
);
11569 EXPORT_SYMBOL(cfg80211_del_sta
);
11571 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11572 enum nl80211_connect_failed_reason reason
,
11575 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11576 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11577 struct sk_buff
*msg
;
11580 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11584 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11590 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11591 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11592 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11593 goto nla_put_failure
;
11595 genlmsg_end(msg
, hdr
);
11597 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11598 NL80211_MCGRP_MLME
, gfp
);
11602 genlmsg_cancel(msg
, hdr
);
11605 EXPORT_SYMBOL(cfg80211_conn_failed
);
11607 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11608 const u8
*addr
, gfp_t gfp
)
11610 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11611 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11612 struct sk_buff
*msg
;
11614 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11619 msg
= nlmsg_new(100, gfp
);
11623 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11629 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11630 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11631 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11632 goto nla_put_failure
;
11634 genlmsg_end(msg
, hdr
);
11635 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11639 genlmsg_cancel(msg
, hdr
);
11644 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11645 const u8
*addr
, gfp_t gfp
)
11647 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11650 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11652 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11653 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11654 trace_cfg80211_return_bool(false);
11657 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11659 trace_cfg80211_return_bool(ret
);
11662 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11664 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11665 const u8
*addr
, gfp_t gfp
)
11667 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11670 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11672 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11673 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11674 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11675 trace_cfg80211_return_bool(false);
11678 ret
= __nl80211_unexpected_frame(dev
,
11679 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11681 trace_cfg80211_return_bool(ret
);
11684 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11686 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11687 struct wireless_dev
*wdev
, u32 nlportid
,
11688 int freq
, int sig_dbm
,
11689 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11691 struct net_device
*netdev
= wdev
->netdev
;
11692 struct sk_buff
*msg
;
11695 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11699 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11705 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11706 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11707 netdev
->ifindex
)) ||
11708 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11709 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11711 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11712 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11714 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11715 goto nla_put_failure
;
11717 genlmsg_end(msg
, hdr
);
11719 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11722 genlmsg_cancel(msg
, hdr
);
11727 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11728 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11730 struct wiphy
*wiphy
= wdev
->wiphy
;
11731 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11732 struct net_device
*netdev
= wdev
->netdev
;
11733 struct sk_buff
*msg
;
11736 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11738 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11742 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11748 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11749 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11750 netdev
->ifindex
)) ||
11751 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11752 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11753 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11754 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11755 goto nla_put_failure
;
11757 genlmsg_end(msg
, hdr
);
11759 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11760 NL80211_MCGRP_MLME
, gfp
);
11764 genlmsg_cancel(msg
, hdr
);
11767 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11769 static struct sk_buff
*cfg80211_prepare_cqm(struct net_device
*dev
,
11770 const char *mac
, gfp_t gfp
)
11772 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11773 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11774 struct sk_buff
*msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11780 cb
= (void **)msg
->cb
;
11782 cb
[0] = nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11788 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11789 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11790 goto nla_put_failure
;
11792 if (mac
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac
))
11793 goto nla_put_failure
;
11795 cb
[1] = nla_nest_start(msg
, NL80211_ATTR_CQM
);
11797 goto nla_put_failure
;
11807 static void cfg80211_send_cqm(struct sk_buff
*msg
, gfp_t gfp
)
11809 void **cb
= (void **)msg
->cb
;
11810 struct cfg80211_registered_device
*rdev
= cb
[2];
11812 nla_nest_end(msg
, cb
[1]);
11813 genlmsg_end(msg
, cb
[0]);
11815 memset(msg
->cb
, 0, sizeof(msg
->cb
));
11817 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11818 NL80211_MCGRP_MLME
, gfp
);
11821 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11822 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11825 struct sk_buff
*msg
;
11827 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11829 if (WARN_ON(rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
&&
11830 rssi_event
!= NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
))
11833 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
11837 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11839 goto nla_put_failure
;
11841 cfg80211_send_cqm(msg
, gfp
);
11848 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11850 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11851 const u8
*peer
, u32 num_packets
,
11852 u32 rate
, u32 intvl
, gfp_t gfp
)
11854 struct sk_buff
*msg
;
11856 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
11860 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
11861 goto nla_put_failure
;
11863 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
11864 goto nla_put_failure
;
11866 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
11867 goto nla_put_failure
;
11869 cfg80211_send_cqm(msg
, gfp
);
11875 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11877 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11878 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11880 struct sk_buff
*msg
;
11882 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11884 msg
= cfg80211_prepare_cqm(dev
, peer
, gfp
);
11888 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11889 goto nla_put_failure
;
11891 cfg80211_send_cqm(msg
, gfp
);
11897 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11899 void cfg80211_cqm_beacon_loss_notify(struct net_device
*dev
, gfp_t gfp
)
11901 struct sk_buff
*msg
;
11903 msg
= cfg80211_prepare_cqm(dev
, NULL
, gfp
);
11907 if (nla_put_flag(msg
, NL80211_ATTR_CQM_BEACON_LOSS_EVENT
))
11908 goto nla_put_failure
;
11910 cfg80211_send_cqm(msg
, gfp
);
11916 EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify
);
11918 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
11919 struct net_device
*netdev
, const u8
*bssid
,
11920 const u8
*replay_ctr
, gfp_t gfp
)
11922 struct sk_buff
*msg
;
11923 struct nlattr
*rekey_attr
;
11926 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11930 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
11936 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11937 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11938 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11939 goto nla_put_failure
;
11941 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
11943 goto nla_put_failure
;
11945 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
11946 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
11947 goto nla_put_failure
;
11949 nla_nest_end(msg
, rekey_attr
);
11951 genlmsg_end(msg
, hdr
);
11953 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11954 NL80211_MCGRP_MLME
, gfp
);
11958 genlmsg_cancel(msg
, hdr
);
11962 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
11963 const u8
*replay_ctr
, gfp_t gfp
)
11965 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11966 struct wiphy
*wiphy
= wdev
->wiphy
;
11967 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11969 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11970 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11972 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11975 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11976 struct net_device
*netdev
, int index
,
11977 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11979 struct sk_buff
*msg
;
11980 struct nlattr
*attr
;
11983 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11987 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11993 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11994 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11995 goto nla_put_failure
;
11997 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11999 goto nla_put_failure
;
12001 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
12002 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
12004 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
12005 goto nla_put_failure
;
12007 nla_nest_end(msg
, attr
);
12009 genlmsg_end(msg
, hdr
);
12011 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12012 NL80211_MCGRP_MLME
, gfp
);
12016 genlmsg_cancel(msg
, hdr
);
12020 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
12021 const u8
*bssid
, bool preauth
, gfp_t gfp
)
12023 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12024 struct wiphy
*wiphy
= wdev
->wiphy
;
12025 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12027 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
12028 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
12030 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
12032 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
12033 struct net_device
*netdev
,
12034 struct cfg80211_chan_def
*chandef
,
12036 enum nl80211_commands notif
,
12039 struct sk_buff
*msg
;
12042 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12046 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
12052 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
12053 goto nla_put_failure
;
12055 if (nl80211_send_chandef(msg
, chandef
))
12056 goto nla_put_failure
;
12058 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
12059 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
12060 goto nla_put_failure
;
12062 genlmsg_end(msg
, hdr
);
12064 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12065 NL80211_MCGRP_MLME
, gfp
);
12069 genlmsg_cancel(msg
, hdr
);
12073 void cfg80211_ch_switch_notify(struct net_device
*dev
,
12074 struct cfg80211_chan_def
*chandef
)
12076 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12077 struct wiphy
*wiphy
= wdev
->wiphy
;
12078 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12080 ASSERT_WDEV_LOCK(wdev
);
12082 trace_cfg80211_ch_switch_notify(dev
, chandef
);
12084 wdev
->chandef
= *chandef
;
12085 wdev
->preset_chandef
= *chandef
;
12086 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12087 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
12089 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
12091 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
12092 struct cfg80211_chan_def
*chandef
,
12095 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12096 struct wiphy
*wiphy
= wdev
->wiphy
;
12097 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12099 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
12101 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
12102 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
12104 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
12107 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12108 const struct cfg80211_chan_def
*chandef
,
12109 enum nl80211_radar_event event
,
12110 struct net_device
*netdev
, gfp_t gfp
)
12112 struct sk_buff
*msg
;
12115 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12119 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12125 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12126 goto nla_put_failure
;
12128 /* NOP and radar events don't need a netdev parameter */
12130 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12132 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12133 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12134 goto nla_put_failure
;
12137 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12138 goto nla_put_failure
;
12140 if (nl80211_send_chandef(msg
, chandef
))
12141 goto nla_put_failure
;
12143 genlmsg_end(msg
, hdr
);
12145 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12146 NL80211_MCGRP_MLME
, gfp
);
12150 genlmsg_cancel(msg
, hdr
);
12154 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12155 u64 cookie
, bool acked
, gfp_t gfp
)
12157 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12158 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12159 struct sk_buff
*msg
;
12162 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12164 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12169 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12175 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12176 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12177 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12178 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12179 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12180 goto nla_put_failure
;
12182 genlmsg_end(msg
, hdr
);
12184 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12185 NL80211_MCGRP_MLME
, gfp
);
12189 genlmsg_cancel(msg
, hdr
);
12192 EXPORT_SYMBOL(cfg80211_probe_status
);
12194 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12195 const u8
*frame
, size_t len
,
12196 int freq
, int sig_dbm
)
12198 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12199 struct sk_buff
*msg
;
12201 struct cfg80211_beacon_registration
*reg
;
12203 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12205 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12206 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12207 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12209 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12213 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12215 goto nla_put_failure
;
12217 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12219 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12221 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12222 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12223 goto nla_put_failure
;
12225 genlmsg_end(msg
, hdr
);
12227 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12229 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12233 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12235 genlmsg_cancel(msg
, hdr
);
12238 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12241 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12242 struct cfg80211_wowlan_wakeup
*wakeup
)
12244 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12245 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12248 nl_results
= nla_nest_start(
12249 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12253 for (i
= 0; i
< nd
->n_matches
; i
++) {
12254 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12256 nl_match
= nla_nest_start(msg
, i
);
12260 /* The SSID attribute is optional in nl80211, but for
12261 * simplicity reasons it's always present in the
12262 * cfg80211 structure. If a driver can't pass the
12263 * SSID, that needs to be changed. A zero length SSID
12264 * is still a valid SSID (wildcard), so it cannot be
12265 * used for this purpose.
12267 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
12268 match
->ssid
.ssid
)) {
12269 nla_nest_cancel(msg
, nl_match
);
12273 if (match
->n_channels
) {
12274 nl_freqs
= nla_nest_start(
12275 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12277 nla_nest_cancel(msg
, nl_match
);
12281 for (j
= 0; j
< match
->n_channels
; j
++) {
12282 if (nla_put_u32(msg
,
12283 NL80211_ATTR_WIPHY_FREQ
,
12284 match
->channels
[j
])) {
12285 nla_nest_cancel(msg
, nl_freqs
);
12286 nla_nest_cancel(msg
, nl_match
);
12291 nla_nest_end(msg
, nl_freqs
);
12294 nla_nest_end(msg
, nl_match
);
12298 nla_nest_end(msg
, nl_results
);
12302 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
12303 struct cfg80211_wowlan_wakeup
*wakeup
,
12306 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12307 struct sk_buff
*msg
;
12311 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
12314 size
+= wakeup
->packet_present_len
;
12316 msg
= nlmsg_new(size
, gfp
);
12320 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
12324 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12325 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12328 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12329 wdev
->netdev
->ifindex
))
12333 struct nlattr
*reasons
;
12335 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
12339 if (wakeup
->disconnect
&&
12340 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
12342 if (wakeup
->magic_pkt
&&
12343 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
12345 if (wakeup
->gtk_rekey_failure
&&
12346 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
12348 if (wakeup
->eap_identity_req
&&
12349 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
12351 if (wakeup
->four_way_handshake
&&
12352 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
12354 if (wakeup
->rfkill_release
&&
12355 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
12358 if (wakeup
->pattern_idx
>= 0 &&
12359 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
12360 wakeup
->pattern_idx
))
12363 if (wakeup
->tcp_match
&&
12364 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
12367 if (wakeup
->tcp_connlost
&&
12368 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
12371 if (wakeup
->tcp_nomoretokens
&&
12373 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
12376 if (wakeup
->packet
) {
12377 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
12378 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
12380 if (!wakeup
->packet_80211
) {
12382 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
12384 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
12387 if (wakeup
->packet_len
&&
12388 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
12391 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
12396 if (wakeup
->net_detect
&&
12397 cfg80211_net_detect_results(msg
, wakeup
))
12400 nla_nest_end(msg
, reasons
);
12403 genlmsg_end(msg
, hdr
);
12405 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12406 NL80211_MCGRP_MLME
, gfp
);
12412 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12415 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12416 enum nl80211_tdls_operation oper
,
12417 u16 reason_code
, gfp_t gfp
)
12419 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12420 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12421 struct sk_buff
*msg
;
12424 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12427 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12431 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12437 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12438 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12439 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12440 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12441 (reason_code
> 0 &&
12442 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12443 goto nla_put_failure
;
12445 genlmsg_end(msg
, hdr
);
12447 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12448 NL80211_MCGRP_MLME
, gfp
);
12452 genlmsg_cancel(msg
, hdr
);
12455 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12457 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12458 unsigned long state
,
12461 struct netlink_notify
*notify
= _notify
;
12462 struct cfg80211_registered_device
*rdev
;
12463 struct wireless_dev
*wdev
;
12464 struct cfg80211_beacon_registration
*reg
, *tmp
;
12466 if (state
!= NETLINK_URELEASE
)
12467 return NOTIFY_DONE
;
12471 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12472 bool schedule_destroy_work
= false;
12474 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12475 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12477 if (wdev
->owner_nlportid
== notify
->portid
)
12478 schedule_destroy_work
= true;
12481 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12482 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12484 if (reg
->nlportid
== notify
->portid
) {
12485 list_del(®
->list
);
12490 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12492 if (schedule_destroy_work
) {
12493 struct cfg80211_iface_destroy
*destroy
;
12495 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12497 destroy
->nlportid
= notify
->portid
;
12498 spin_lock(&rdev
->destroy_list_lock
);
12499 list_add(&destroy
->list
, &rdev
->destroy_list
);
12500 spin_unlock(&rdev
->destroy_list_lock
);
12501 schedule_work(&rdev
->destroy_work
);
12511 static struct notifier_block nl80211_netlink_notifier
= {
12512 .notifier_call
= nl80211_netlink_notify
,
12515 void cfg80211_ft_event(struct net_device
*netdev
,
12516 struct cfg80211_ft_event_params
*ft_event
)
12518 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12519 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12520 struct sk_buff
*msg
;
12523 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12525 if (!ft_event
->target_ap
)
12528 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12532 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12536 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12537 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12538 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12541 if (ft_event
->ies
&&
12542 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12544 if (ft_event
->ric_ies
&&
12545 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12546 ft_event
->ric_ies
))
12549 genlmsg_end(msg
, hdr
);
12551 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12552 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12557 EXPORT_SYMBOL(cfg80211_ft_event
);
12559 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12561 struct cfg80211_registered_device
*rdev
;
12562 struct sk_buff
*msg
;
12566 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12567 if (!rdev
->crit_proto_nlportid
)
12570 nlportid
= rdev
->crit_proto_nlportid
;
12571 rdev
->crit_proto_nlportid
= 0;
12573 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12577 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12579 goto nla_put_failure
;
12581 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12582 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12583 goto nla_put_failure
;
12585 genlmsg_end(msg
, hdr
);
12587 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12592 genlmsg_cancel(msg
, hdr
);
12596 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12598 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12600 struct wiphy
*wiphy
= wdev
->wiphy
;
12601 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12602 struct sk_buff
*msg
;
12605 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12609 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12613 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12614 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12615 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12618 genlmsg_end(msg
, hdr
);
12620 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12621 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12627 /* initialisation/exit functions */
12629 int nl80211_init(void)
12633 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12638 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12644 genl_unregister_family(&nl80211_fam
);
12648 void nl80211_exit(void)
12650 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12651 genl_unregister_family(&nl80211_fam
);